배터리 시스템 매개변수의 최솟값 및/또는 최댓값 전송 방법, 그리고 상기 방법을 실행하기 위한 배터리 시스템

29-01-2018 дата публикации
Номер:
KR0101823106B1
Контакты:
Номер заявки: 70-16-102018188
Дата заявки: 05-12-2014

[1]

The present invention refers to, including a plurality of battery cells of a battery of a battery system and/or a plurality of values corresponding battery system parameters most [sos price [...] to system parameters for transmitting method which, battery system parameters for the number 1 most [sos price time is set to the data line, and/or battery system parameters for the number 2 [...] transferred through data lines.

[2]

In addition, the present invention refers to battery even in a system including a plurality of battery cell one battery management system are disclosed.

[3]

A plurality of battery cell electrically connected each other, a plurality of rechargeable lithium ion cell electrically connected each other in particular including battery system includes in particular hybrid vehicle, plug-in hybrid vehicle or required in electrical vehicle used for the supply of electrical energy. Even other, battery system includes, typically, the number of battery cells (closed-a loop control) for closed loop monitoring and battery system, electrically connected to another one of a plurality of battery cell or battery system for monitoring and closed loop number [...], in particular one or a plurality of battery module battery system for battery management system comprises a unit for the monitoring and closed loop number [...]. Said battery management system, typically, the unit and at least one open-loop number, cell monitoring units, in particular by means of so-called cell monitoring circuits (CSC). Battery system of the battery management system, in particular, specific battery system parameters during operation of the battery system does not exceed a predefined threshold values or threshold value can be pre-defined hereinafter is not being available. The, in particular battery management system through, for example battery system parameters as battery cell temperature or battery cell voltage always maintained within a pre-defined limit point is ensured on a substrate.

[4]

The system parameters for the monitoring and closed loop number [...] battery, battery system includes a battery system parameters comprising the detecting unit for digitizing the signals. Germany from Official Gazette DE 10 2010 063 258 A 1, battery system parameters for the detection of as a unit, for example a device for measuring cell voltage of battery is been publicly known. Even other, battery system parameters for the monitoring and/or detecting device are another example patent Official Gazette DE 600 03 581 T 2, been publicly known from JP 2001025173 A and DE 37 02 591 C 2.

[5]

Battery system parameters are, as already described above, since the detected signals does not exceed certain limits without difficulty, minimum and/or maximum battery system parameters of battery system in particular important disclosed. Said minimum and/or maximum battery system parameters can be used during the closed loop number in order to make monitoring and battery system, battery system within said battery system the parameters, in particular at least one battery system parameters for detection of open-loop number transmitted from central battery units should the unit. To this end, in particular for example using daisy chain principle (Daisy Chain Principle), detected battery system parameters over analog transmission point is publicly known.

[6]

However are disadvantageous in said analog transmission, said transmission resistant to electromagnetic interference free thereby further reliability without exceeding disclosed.

[7]

And the number of the present invention, said background art that is in contrast, in particular transmission interference and less sensitive to advantageously transmission passes electromagnetic interference, battery system battery system parameters and/or battery of a plurality of detection values most [sos price of most about five price UGT improving transmission system parameters.

[8]

And then the number, including a plurality of battery cells of a battery of a battery system and/or a plurality of values corresponding battery system parameters for transmitting method and system parameters most [sos price [...] number is not, battery system parameters for the number 1 most [sos price time is set to the data line, and/or battery system parameters for the number 2 [...] transferred through data lines. In this case, according to the present invention, fixed periodic duration periodical clock signal is generated. In addition, a parameter for transmission [...] battery system, battery system parameters for each value of, synchronized clock signal phase, number 1 or number 2 signal state number 1 signal is generated signal may take a number data line is ball number 1, number 1 minimum battery system parameter number 1 number 2 on data line signal to be presented via the signal and a transition into a state in, battery system parameters for the clock signal of period associated with most [sos price, number 2 is expressed through the time period signal condition is maintained, and/or battery system parameters for the most about five price for transmission, system parameters for each value of battery, synchronized clock signal phase, number 1 or number 2 signal state number 2 signal is generated signal may take a number 2 is ball number data line, maximum battery system parameter number 2 on a data line to be presented via the number 1 and number 2 signal transition in new call state, battery system parameters for the associated clock signal of period [...], signal condition is maintained through the time period expressed in number 1.

[9]

Battery system the parameters detected in the interior of the measuring variables in particular battery system are disclosed. In particular battery system the parameters, voltage, in particular battery cell voltage, battery cell temperature, battery cell current, state-of-charge (SOC; State of Charge) and/or battery state of health of the battery pack (SOH; State of Health) are disclosed.

[10]

In particular, a plurality of values detected by the corresponding battery system parameters and battery system of units, in particular cell monitoring units, preferably by so-called cell monitoring circuits (CSC) are detected. In addition, in particular, most [sos prices and/or battery system parameters for the at least one of said units is unit-loop number [...] are battery system from battery system, preferably the unit (BCU: battery control unit) such as in particular the unit battery number central open-loop number transmitted. In addition, preferably, at least one battery system such that open-loop number fixed periodic period clock signal being a periodical, preferably said clock signal each via a respective signal line battery system additional units, in particular cell monitoring units transmitted.

[11]

Preferably clock signal square wave signal are disclosed. In this case, fixed periodic clock signal number 1 signal state [preferably "low (low)"] within period on number 2 signal state [preferably "high (high)"] based on the selected substrate. In this case, the clock signal, a plurality of values of said parameter corresponding battery system parameters can be transmitted most [sos price and/or most about five price in order to make the battery system, battery system parameter values of each transmitted simultaneously detecting battery system of units.

[12]

In particular preferably battery system parameters for the most about five price most [sos price and transmitted. In particular, number 1 or number 2 signal is "low" and "high"/on switching between States can be, and preferably "low" signal state number 1, number 2 signal state is preferably a "high" are disclosed. In this case, transmission is preferably 3 - wire protocol as contacts with each other. Preferably, the resulting number 1 and number 2/pulse width modulation signals (PWM signals) and each signal or generated, each clock signal of period pulse length signals associated with each value of battery system parameters representing other. Choice of the period of clock signal period, preferably, battery system parameters for the maximum possible values reflect is defined. In other words, preferably battery system parameters for the most [sos price and/or most about five price is displayed as transmission is carried out. As a result, advantageously, transmission is relatively insensitive to electromagnetic interference exhibits active interference sensitivity.

[13]

In particular the present invention according to method preferred in an alternative embodiment, battery system parameter values presents a number data line number 1 signal is number 1, number 1 on data line, data line simultaneously number 1 number 1 and number ball battery system parameters additional values a logic operation signals, thereby battery system parameters for the number 1 most [sos price time is set to the data line, and/or battery system parameters number 2 number 2 signal data line presents a number of values, number 2 on data line, data line simultaneously number 2 and number 2 number ball battery system parameters additional values a logic operation signals, thereby battery system parameters for the number 2 [...] transferred through data lines. Preferably each logic operation through operation of the operation (operation of the) contacts with each other. Preferably number 1 the operation of the signals, each data line number 1 through number 1 open collector output (Open-a Collector output) signals are carried out so that ball number. Then, advantageously, data line signals on the duty coefficient number 1 (duty factor), in other words clock signal of period number 1 on a data line of a pulse signal values of the rate indication for minimum battery system. Similarly, preferably, the operation of the signals presents a number 2 number 2 number data line contacts with each other. Number 1 signals and/or number 2 in the embodiment shown in the drawing details are logical operation signals for association more specifically described.

[14]

The present invention according to method the additional preferred embodiment, a plurality of value of each battery system parameters as battery pack voltage is detected and/or maximum and minimum voltage battery module of battery system, and/or detected maximum voltage detected minimum voltage of most [sos price is transmitted most about five price, for each battery module, for transmission of [...] detected minimum voltage, each phase clock signal synchronized signal is generated number data line number 1 number 1 and ball, and/or each battery module for, most about five price detected maximum voltage for transmission, each phase clock signal synchronized signal is generated encoded data line number ball number 2 number 2. In this case, preferably battery system includes each battery module and at least one microcontroller, the micro controller detected that the battery cell voltage most [sos price and/or [...] desirable battery detected relative evaluating cell voltage are formed on the base.

[15]

In particular in a preferred embodiment of the present invention according to method variants the, battery system parameters for the capacitor voltage is detected as each battery system of battery pack and the battery cell, battery cell voltage detected most [sos price and/or detected battery cell voltage is transmitted most about five price, each battery cell, [...] detected battery cell voltage for transmission, each phase clock signal synchronized signal is generated number data line number 1 number 1 and ball, and/or each battery cells, most about five price detected battery cell voltage for transmission, each phase clock signal synchronized signal is generated encoded data line number ball number 2 number 2. In this case, battery cell voltage most [sos price, in particular detection point in time, while the voltage value detected view a plurality of batteries cell, said plurality of point detected battery cell voltage value representing minimum battery cell voltages. Battery cell voltage [...], in particular detection point in time, while the voltage value detected view a plurality of batteries cell, said plurality of point said battery cell voltages detected battery cell voltage representing the largest value.

[16]

The present invention according to method in additional preferred embodiments, the phase synchronization clock signal, tooth waveform voltage is generated, and voltage are detected and/or most about five price most [sos price that is to be sent, the amount of inputs and the inverting input (inverting input) of a comparator unit including a saw-tooth waveform voltage conducted in the number 1 or number 2 signal by comparing each detected voltage signal as output signal generated and/comparator unit. Preferably, implementing said contemplated embodiments, minimum and/or maximum battery system parameters during determination of said plurality of battery system parameters for microcontroller and/or similar evaluation unit may not be needed disclosed.

[17]

In particular the present invention according to method of said embodiment, number 1 for generation of a signal voltage to an input terminal of each comparator unit detected amount of tooth waveform voltage is applied to the inverting input and each comparator unit, and/or generation of order number 2 is applied to the inverting input of each comparator unit detected voltage waveform voltage is applied to an input terminal of each comparator unit amount of teeth.

[18]

Preferably, number 1 signal is galvanic isolation via data line number 1 and number ball, and/or number 2 signal is encoded via galvanic isolation ball number data line number 2. Preferably, insulator or optical fiber galvanic separation unit among others. In this case, detected voltage for detecting and transmission [...], in particular insulating unit is connected downstream of the output terminal of the comparator unit, for each detected voltage waveform voltage exceeds the teeth, resulting in "low" signal state outward from the output side. Most about five price generation of detected voltage for transmission number 2 in order, in particular, the output end of the comparator unit connected downstream of the insulating unit, a detected voltage exceeds a corresponding tooth waveform voltage, output side "high" signal state pulled to a substrate.

[19]

The present invention according to method the additional preferred embodiment, each tooth waveform voltage for generation of a clock signal for each switching element to generate tooth waveform voltage and number, number 1 and number 2 clock signal in a clock signal of a switching element is opened signal States closed at the signal state, when switching the opening member is closed when the switching element is in a circular form (ramp) lamp capacitor capacitor discharge therefrom. (MOSFET: metal oxide semiconductor field effect transistor) as a switching element preferably MOSFET ball number is encoded. Advantageously, current charges the capacitor, a power-apply number 1 number 2 signal in signal corresponding to a predetermined reference voltage state clock signal in a manner such that the encoded number. As a result, preferably, battery system independently of all battery module lamp slope (ramp gradient) the lower end of the same is achieved.

[20]

Preferred embodiment of the present invention according to method improving the, number 1 or number 2 number 1 and number 2 signal presents a number data line presents a number data line/battery system of units, in particular battery system of a cell monitoring unit received by evaluated in terms of substrate. In this case, advantageously, the unit number 1 or number 2 through bypass path/signals and signals without battery system of units directly by central open-loop number N.. Preferably, battery system unit number 1 or number 2 gas is injected into/signals and signals, battery system for monitoring and/or closed loop number [...], and/or battery system for monitoring and/or a plurality of battery pack can be used by a closed loop number [...] units. In particular number 1 or number 2 and/receiving units, data line and number 1 or number 2/evaluating data stream on a data line comprising at least one microcontroller. Preferably, the microcontroller, each further, evaluation results by said battery cells connected battery cells battery system under consideration or not the battery to break away from the apparent battery system for bridging cells, analog/digital converter through battery cell voltage evaluating other. Preferably, the microcontroller is adapted to, when said configuration of inventions, each periodic clock signal and also power off state, and/or insulation through an open collector output, which has number 1 number 1 and number 2 number 2 number data line signal output stages data signal to said data output stages and the number [...][...] number data line, and/or number 1 or number 2 on a data line signals read data line and/inputs. When said configuration of inventions, teeth waveform of the transformer can be dispensed with.

[21]

In addition, aforementioned and number first and then, a plurality of battery cell one battery management system battery system is ball number, battery system includes executing the present invention according to method are formed on the base.

[22]

The present invention according to a preferred embodiment of the present invention battery system of structural features as well as additional contents details, features and configuration details are described in the embodiment shown in drawing are more detailed association.

[23]

The effect of the invention comprises a basic specification individually corresponding portions specified in the nanometer range.

[24]

Figure 1 shows a part of the present invention according to method for battery systems to execute also formed in the embodiment shown schematic are disclosed. Figure 2 shows a signal produced by the present invention according to method shown in the embodiment regards a number 1 also are disclosed. Figure 3 shows a number 2 signal generated by the present invention according to method shown in the embodiment regards also are disclosed. Figure 4 shows a further battery systems to execute the present invention according to method also formed in the embodiment shown is part of the schematic. Figure 5 shows a clock for use in the present invention according to method also toothed waveform voltage for generating a phase synchronization signal in the embodiment shown schematic are disclosed. Figure 6 shows a further battery systems to execute the present invention according to method also formed in the embodiment shown is part of the schematic. Figure 7 shows a further battery systems to execute the present invention according to method also formed in the embodiment shown is part of the schematic. Figure 8 shows a further battery systems to execute the present invention according to method also formed in the embodiment shown is part of the schematic. Figure 9 shows a tooth waveform voltage for generating signal number 1 in the embodiment also illustrates the schematic are disclosed.

[25]

Is also 1, battery system (1) part of the shown disclosed. Battery system (1) includes a plurality of battery cell (2) comprises. For better clarity, in the embodiment shown in fig. 1 is one battery cell (2) only shown disclosed. Battery system (1) is, the battery system (1) of the battery management system as a component of the unit central open-loop number (6) comprise a. The open-loop number unit (6) is fixed periodic duration periodical clock signal (5) generate musical sound. In this case, clock signal (5) is controlled (7) to the ball number battery system (1) supplied plurality of unit. In addition, battery system (1) for transmitting data line [...] battery system parameters of number 1 (3) and, battery system parameters for the most about five price number 2 for transmitting data line (4) comprises a unit. In addition, battery system (1) comprises at least one additional line (13) and, open-loop number additional line laid in the center the unit (6) battery system (1) exchanges data with additional units can be, additional units each reference number 13' signal line of reference number 13 through line and connected thereto.

[26]

Battery system (1) in, battery cell (2) battery cell voltage (respective) corresponding analog/digital converter (8) through, microcontroller (9) battery system parameters is detected as a substrate. In this case, battery system (1) microcontroller of (9) each, corresponding insulating unit (10) through, for transmitting and receiving data for data lines (3, 4, 7, 13) and connected thereto.

[27]

1 Also partially shown in battery system (1) microcontroller of (9) is, battery cell voltage for transmission [...], most about five price and battery cell voltage for transmission, the unit open-loop number (6) clock signal generated by the synchronization phase, number 1 and number 2 produce a pulse width modulation signal and a pulse width modulated signal. In this case, number 1 or number 2 signal state (high) signal can take a number 1 signal state (low). A number 2 number 1 or number 2 signal state (high) (low) signal can likewise signal States can take. Number 1 signal number 1 insulator (11) open collector output (3') number 1 through data line (3) ball number is encoded. Number 2 signal is number 2 insulator (12) open collector output (4') number 2 through data line (4) ball number is encoded. Preferably, battery system (1) microcontroller of (9) are each input stages (3 "and 4") number 1 through data line (3) on, and/or number 2 data line (4) can receive signals transmitted over. Advantageously, the signals received said micro controller (9) can be evaluated by, and in particular said microcontroller (9) by, in particular each microcontroller (9) assigned to the battery cell (2) the bridge or, or battery system (1) by connected to, battery system (1) for a closed loop of number [...] can be used.

[28]

Battery system parameters of the present invention according to transmission is described more specifically in conjunction [...] also 2. The present invention according to transmission is also 3 battery system parameters for the most about five price with respect to more specifically described. In this case, is also 2, fixed periodic period (16) having a predetermined clock signal (5) is shown disclosed. In this case, clock signal (5) are configured as square wave signal is number 1 signal state (14) (high) or number 2 signal state (15) can take a (low). Clock signal (5) phase synchronized, as number 1 signal, each value of pulse width modulated signals representing battery system parameters (17 ', 17 ", 17"') is generated. Number 1 signal (17') the susceptor includes a battery system (1) of 1 also shown in microcontroller (9) and a signal that is generated by the number 1, number 1 signal such battery cell (2) converting the disk battery cell voltage of 2000. Herein, number 1 signals (17 "and 17" ') battery system (1) of number 1 signal generated by microcontroller 1 also to be effective timing further halftoned, itself a battery as a cell voltage value of each battery system parameters such number 1 signals representing other. Number 1 signals (17 ', 17 "and 17"') is, as also shown in the example 2, each number 1 signal state (18) (low) or number 2 signal state (19) can take a (high). In this case, minimum battery system parameters number 1 number 1 on data line signal States (18) number 2 in signal States (19) transition to be presented via the substrate. The value of the respective batteries system parameters, clock signal (5) period of period (16) associated with, number 2 signal state (19) is retained through the time period, in other words each pulse duration (20 ', 20 ", 20"') expressed in through. In other words, in Figure 2, signal (17") is the smallest converting battery system parameters for the other.

[29]

Number 1 signals (17 ', 17 "and 17"') are an operation through, for example signals in Figure 1 battery system (1) as if they were each town portions open collector output corresponding series (3') number 1 through data line (3) so that the number ball, each other logic is computed. Number 1 signals (17 ', 17 "and 17"') as a result of the ANDing of, 2 also shown in signal (17) is generated. This signal is, signals corresponding to the detected battery system parameters for the [...] (17" ') corresponding to each other. The signal (17) includes a battery system of number 1 transferred through data lines. In other words, with respect to also 1, signal (17) causes the line (3) through, for example central open-loop number the unit (6) may be transmitted, and/or corresponding constructs connecting portions (3") by an insulation units (10) through battery system (1) additional battery cells (2) micro controllers (9) may be filled to be sent. In this case, signal (17) pulse width (20) during most [sos price detected battery system parameters exhibit, as a reference clock signal (5) period of period (16) are used.

[30]

Battery system parameters for the most about five price transmission is, by way of example also shown in 3 and carried out in a similar manner. Fixed periodic period (16) center clock signal (5) synchronized phase, for each value of battery as well as system parameters, signal States (low) number 1 or number 2 signal state (23) a (high) may take a number 2 signal (21 ', 21 ", 21"') is generated number 2 is ball number data line, namely 1 also with respect to data line (4) ball number is encoded. In this case, maximum battery system parameter, on data line number 2, number 2 signal state (23) in number 1 (high) signal States (22) transition (low) to be presented via the substrate. The value of the respective batteries system parameters, signals (21 ', 21 ", 21"') in the case of, clock signal (15) period of period (16) associated with, number 1 signal state (22) each time period (row) is maintained, in other words each pulse width (24 ', 24 ", 24"') expressed in through. In this case, signal (21") is a parameter representing other [...] battery system. A parameter that is to be sent only since [...] battery system, battery system parameter values presents a number 2 number 2 number data line signal, for example signal (21') is, number 2 on data line, data line number ball battery system parameters additional values simultaneously number 2 number 2 signals, i.e. for example signals (21 "and 21") by, through operation of the operation here, and logic operation, thereby battery system parameters for the resulting signal [...] representation (21) number 2 is transferred through data lines. In this case, signal (21) of pulse length (24) of the respective batteries [...] system parameters which represent, as a reference clock signal (5) period of period (16) are used. Also in conjunction with 1, signal (21) causes the line (4) through the central open-loop number unit (6) is, and corresponding connecting portions (4") by an insulation units (10) through battery system (1) additional battery cells (2) micro controllers (9) used are fed to an innoculation.

[31]

Is also 4, battery of a plurality of values of system parameters and most [sos price [...] transmission system parameters corresponding battery configured to further battery systems that part in the embodiment shown disclosed. Battery system (1) includes a plurality of battery module (25) comprises a [better clarity for, is also 4, one battery module (25) only shown disclosed]. In this case, battery module (25) electrically connected each other a plurality of battery cell, preferably comprise a lithium ion cell. In this case, 4 also shown in portion, battery system (1) of each battery module (25) for corresponding are iterated. Using publicly known measurement engineering of, battery module (25) each assigned to a evaluation unit (26) by, battery system (1) of each battery module (25) minimum and/or maximum battery cell voltage of the battery cells are detected.

[32]

4 Also partially shown in battery system (1) in the case of, central clock signal (5) phase synchronized, each tooth waveform voltage (31) the saw-wave generator (30) generated by. In this case, evaluation unit (26) detected by, battery module (25) minimum voltage of the battery pack, battery system (1) comparator unit (27) conducted in the use of a saw-tooth waveform voltage (31) and detection voltage by comparing comparison with each other. In this case, comparator unit (27) amount of input (28) and inverting input (29) comprises. Battery cell voltage for generation of a signal representing the value of number 1, evaluation unit (26) minimum voltage is detected by a comparator unit (27) of the amount of input (28) applied to. Tooth waveform voltage (31) comparators unit (27) to the inverting input of (29) applied. Insulating unit (10) open collector output (3') through, comparator unit (27) signal generated by battery system (1) of data line number 1 (3) ball number is encoded. Additional battery modules (25) each in the case of minimum voltage against, each battery module (25) since the same manner of the battery cells, again battery system (1) of data line number 1 (3) generated number 1 on the operation of the signals is performed, all battery module (25) of minimum voltage value of the signal representing data line (3) for example central through the unit open-loop number transmitted. Tooth waveform voltage and a comparator unit performed under use of number 1 9 also generation of relative more specifically described. Preferably, clock signal (5) phase synchronization to a toothed waveform voltage (31) generation of 5 also carried out as described in conjunction.

[33]

Is also 5, line (36) being capable connected by means of a clock signal (5) synchronized with the tooth waveform voltage (31) create a circuit is simplified schematic shown disclosed. In this case, clock signal (5) is a switching element (33) is a number etched. In this case, preferably, a switching element (33) is formed as a MOSFET. Clock signal (5) is a general signal state number 1, switching elements (33) are closed state. Clock signal number 2 signal state in switching elements (33) are open. A switching element (33) polishing, capacitor (34) includes a current won (35) are filled by a vehicle. A switching element (33) when closed, capacitor (34) is a switching element (33) by a number of discharge therefrom. Battery voltage detecting system parameters as all battery system so that equal same slope lamp unit, current won (35) the unit current closed loop number (37) encoded by the number. Peak detection unit (38) and operational amplifier circuit (40) under use of, capacitor (34) charging current, number 1 number 2 signal in signal state clock signal (5) the time at which the switching capacitor (34) reference voltage of won (39) of preset reference voltages is shaped to correspond to the number encoded.

[34]

6 And 7 also is also, battery system (1) further in the embodiment shown the schematic part of each other. In this case, is also 6, battery cell voltage is coarse [...] distributed transmitting data method shown in the nanometer range. Is also 7, battery cell voltage transmission ratio for a liquid crystal display method most about five price shown in the nanometer range. In this case, method realized in said respective a plurality of battery cell voltage and controls the largest or smallest battery cell voltage without sufficiently JPO. In particular preferably, battery system (1) also 6 and 7 is also shown in the principle of construction which has, in other words said battery system includes also 6 as described in connection with most [sos price to transmit battery cell voltage, as described in relation to the battery cell voltage and also 7 [...] transmission are formed on the base. In this case, battery system (1) of each battery cell (2) to, data line (3) (6 also) or data line (4) for generating a signal corresponding to a similar number (also 7) which ball is encoded number ball method implementation.

[35]

In the case of as well as in the embodiment shown in in the embodiment shown in also 6 even in the case of 7 also, line (7) through, fixed periodic period predetermined center and each clock signal, such as through a browser associated with 2 and 3 also in particular also are predefined as a clock signal. In this case, phase clock signal synchronized, (as described in conjunction preferably comprises 5) of each tooth waveform voltage (31) the saw-wave generator (30) generated by.

[36]

Also in the case of 6 in the embodiment shown, tooth waveform voltage (31) comparators unit (27) to the inverting input of (29) to ball number encoded. Battery cell (2) battery cell voltage is applied to the comparator unit (27) to the inverting input terminal (28) encoded into ball number. In this case, comparator unit (27) using conditions described more specifically in conjunction also generation of number 1 9. Insulating unit (10) and through a, comparator unit (27) is produced by example 2 also shown in signal (17) which may have the form of signal data line number 1 (3) ball number is encoded. Battery system (1) of each battery cell (2) because a signal is generated with respect to said number 1, presents a number via, data line number 1 (3) operation of the signals on said number 1 operation is performed, thereby data line number 1 (3) most [sos price through the unit battery cell voltage for example central open-loop number transmitted.

[37]

In the embodiment shown in the case of 7 also, comparator unit (27) wiring (wiring) are inverted to, since the data line number 2 (4) for transmission of cell voltage battery over most about five price, data line number 2 (4) maximum battery cell voltage on number 2 signal state (high) number 1 (low) to be presented via the signal States in transition's oldest. In the embodiment shown in also the case of 7, a toothed waveform voltage phase synchronization clock signal (31) comparators unit (27) of the amount of input (28) and the ball number, battery cell (2) battery cell voltage is applied to the comparator unit (27) to the inverting input of (29) applied. Insulating unit (10) and through a, comparator unit (27) an output signal of a data line number 2 (4) ball number is encoded. Battery system (1) of each battery cell (2) signal is generated corresponding to number 2 manner because, for example also through a browser as if they were associated with 3, operation of the signals generated number 2 operation is performed, thereby battery cell voltage [...] data line number 2 (4) on transmitted as a pulse width modulated signal. Data line (4) shown in example 3 number 2 signal is also transmitted signal (21) can be that is configured. In this case, preferably, clock signal (5) period of period number 2 the ratio of battery cell voltage [...] produce a pulse width signal.

[38]

8 Also is, by way of example also 6 partially shown in battery system (1) of shown in the nanometer range. Preferably, the present invention according to battery system (1) in the case of angle control device 8 in the embodiment shown, each battery cell (2) an analog/digital converter (8) and microcontroller (9) assigned to, preferably, data line number 1 (3) signals to be transmitted via the insulating unit (41) as an input signal over microcontroller (9) feed. Preferably, each microcontroller (9) of the battery management system for implementing additional functions of said input signals is to be used for a. In particular microcontroller circuits (9) is, input signals, in particular minimum and/or maximum battery cell voltage transmitted to say using, cell balancing currently running, and/or battery systems individual battery cells (2) connecting, and/or battery system (1) via respective bridging from the battery cells (2) consists of separate.

[39]

Also in accordance with the 9, by way of example, also 4, 6 and 8 as if they were also shown to also associated, tooth waveform voltage (31) and a comparator unit (27) from the reaction using a number 1 signal (17) described produced. The amount of battery cell voltage 9 also shown in example 2 compared among disclosed. In short battery cell voltage (41) and battery cell voltage (42) are detected. In this case, through a browser as if they were also associated with 6, battery cell voltage (41) of a toothed waveform voltage comparators unit clock in phase synchronization signal (31) are compared. While at the same time, the internal combustion engine additional comparator unit, battery cell voltage (42) is a toothed waveform voltage phase synchronization clock signal (31) are compared. In this case, battery cell voltage (41) and battery cell voltage (42) each comparator unit applied to the inverting input terminal. Teeth waveform voltages are applied respectively to the inverting input of comparator unit. In this case, number 1 signals produced by comparator units (17' and 17") is encoded number ball number 1 data line. In this case, the respective comparator unit signal as output signal, signal (17') gear is waveform voltage (31) the battery cell voltage (42) generated via signal comparison (17") gear is waveform voltage (31) the battery cell voltage (41) by comparing generated. In this case, number 1 signals (17' and 17") as if they were also 6 example through a browser associated with corresponding logically via operation of the operation and, thereby operation of the signal according to the result of an operation (17) causes the line (3) transmitted through. 9 Also shown in signal (17) in the case of, in "low" to "high" signal state transition has characterize minimum battery cell voltage. In this case, period of period clock signal associated with a signal pulse width, in other words signal (17) maintains a state of "high" time period is a minimum battery cell voltage converting substrate.

[40]

Data line number 2 (4) being transmitted through corresponding battery cell voltage [...] signal representing a manner that comparator unit (27) of amplified signal as output signal generated, tooth waveform voltage comparator unit (27) to the inverting input terminal (28) and the ball number, detected battery cell voltage comparator unit (27) is applied to the inverting input of ball number.

[41]

The present invention are described in the embodiment are shown in the drawing are drawing association are described only for those for which only one number representing said method are not correct.



[42]

A method for transferring a minimum and/or a maximum value of a battery system parameter from a quantity of values of said battery system parameter in a battery system comprising a plurality of battery cells, wherein the minimum value of the battery system parameter is transferred via a first data line and/or the maximum value of the battery system parameter is transferred via a second data line. A periodic clock signal having a permanent period duration is generated. To transfer the minimum value of the battery system parameter for each value of the battery system parameter phase-synchronously to the clock signal, a first signal is generated and given to the first data line, and/or to transfer the maximum value of the battery system parameter for each value of the battery system parameter phase-synchronously to the clock signal, a second signal is generated and given to the second data line.



A plurality of battery cell (2) a battery system including (1) a plurality of values of system parameters a battery of a battery system parameters for transmitting as most [sos price or [...] method, said battery system parameters for the most [sos price data line number 1 (3) transmitted through, or said battery system parameters for the number 2 [...] data line (4) is transmitted through, fixed periodic period (16) having a periodic clock signal (5) is produced, said battery system parameters for the [...] for transmission, system parameters for each value of said battery, said clock signal (5) phase synchronized, number 1 signal state (18) or number 2 signal state (19) may take a number 1 signal (17 ', 17 ", 17"') is generated and said number 1 data line (3) and the number ball, said number 1 minimum battery system parameter data line (3) on said number 1 signal state (18) in said number 2 signal state (19) to be presented via the transition and, most [sos price of battery said system parameters, said clock signal (5) period of period (16) for, said number 2 signal state (19) which maintains a time period (20) is expressed through, or said battery system parameters for the most about five price for transmission, system parameters for each value of said battery, said clock signal (5) phase synchronized, number 1 signal state (22) or number 2 signal state (23) may take a number 2 signal (21 ', 21 ", 21"') is generated and said number 2 data line (4) and the ball number, said number 2 maximum battery system parameter data line (4) on said number 2 signal state (23) said number 1 in new state (22) to be presented via the transition and, said battery system parameters for the [...], said clock signal (5) period of period (16) for, said number 1 signal state (22) which maintains a time period (24) characterized represented through the, method.

According to Claim 1, said battery system values of the data line to said number 1 (3) presents a number to number 1 signal (17 ') is, said number 1 data line (3) on, data line simultaneously said number 1 (3) to which said battery system parameters additional values number ball number 1 signals (17 ", 17"') and logic operation and, thereby said battery system parameters for the number 1 most [sos price data line (3) transmitted through, or said battery system parameters for the data line number 2 values (4) presents a scene number to number 2 (21 ') is, said number 2 data line (4) on, said number 2 simultaneously data line (4) into said battery system parameters additional values which ball number number 2 signals (21 ", 21"') and logic operation and, thereby said number 2 [...] said battery system parameters for the data line (4) transmitted through characterized, method.

According to Claim 1 or Claim 2, a plurality of value battery said system parameters as said battery system (1) battery module of (25) battery cell (2) maximum or minimum voltage of each voltage is detected, the detected minimum voltage of most [sos price or detected maximum voltage is transmitted most about five price, each battery module (25) for transmission of said detected for minimum [...], each said clock signal (5) phase synchronized said number 1 signal (17 ', 17 ", 17"') is generated and said number 1 data line (3) and the number ball, or each battery module (25) most about five price for said detected maximum voltage for transmission, each said clock signal (5) phase synchronized said number 2 signal (21 ', 21 ", 21"') is generated and said number 2 data line (4) characterized in that the number being ball, method.

According to Claim 1 or Claim 2, a plurality of values each battery said system parameters as said battery system (1) battery cell (2) battery cell voltage is detected and, most [sos price or detected battery cell voltage detected battery cell voltage is transmitted most about five price, each battery cell (2) for said detected battery cell voltage for transmission [...], said number 1 signal (17 ', 17 ", 17"') each said clock signal (5) said number 1 generated phase synchronized data line (3) and the number ball, or each battery cell (2) most about five price for said detected battery cell voltage for transmission, each said clock signal (5) synchronized phase, said number 2 signal (21 ', 21 ", 21"') each said clock signal (5) said number 2 generated phase synchronized with the data line (4) characterized in being ball number, method.

According to Claim 2, said clock signal (5) are phase synchronised to a toothed waveform voltage (31) is generated, and voltage is detected most [sos price or most about five price that is to be sent, the amount of input (28) and inverting input (29) including a comparator unit (27) performed under voltage waveform of said teeth (31) and said detected voltage (41, 42) by comparing each, said comparator unit (27) of said number 1 signal amplified signal as output signal (17 ', 17 ", 17"') or said number 2 signal (21 ', 21 ", 21"') characterized produced, method.

According to Claim 5, said number 1 signal (17 ', 17 ") for generation of, said detected voltage (41, 42) each said comparator unit (27) of the amount of input (28) is applied to said tooth waveform voltage (31) each said comparator unit (27) to the inverting input of (29) is applied, or said number 2 signal (21, 21", 21"') order of, said each voltage detected said comparator unit (27) to the inverting input of (29) waveform voltage is applied to said teeth (31) each said comparator unit (27) of the amount of input (28) characterized is applied, method.

According to Claim 1 or Claim 2, said number 1 signal (17 ', 17 ", 17"') is galvanic separation unit (11) said number 1 through data line (3) and the number ball, or said number 2 signal (21 ', 21 ", 21"') is galvanic separation unit (12) said number 2 through data line (4) characterized in that the number being ball, method.

According to Claim 5 or Claim 6, said tooth waveform voltage (31) for generation of, said clock signal (5) generate voltage waveform includes teeth (31) for each each switching member (33) is a number and, said switching element (33) is said clock signal (5) of number 1 signal state (14) which is closed in said clock signal (5) of number 2 signal state (15) is opened in, said switching element (33) and open a capacitor (34) is filled from a vehicle, said switching element (33) is closed when said capacitor (34) is characterized discharge the, method.

According to Claim 8, said capacitor (34) charging current, said number 1 signal state (14) in said number 2 signal state (15) to said clock signal (5) the time at which the switching said capacitor (34) voltage a predetermined reference voltage (39) corresponding to the number being the manner characterized, method.

According to Claim 1 or Claim 2, said number 1 data line (3) to which ball number number 1 signal (17 ', 17 ", 17"') or said number 2 data line (4) in which ball number number 2 signal (21 ', 21 ", 21"') is said battery system (1) of units (9) characterized is received and evaluated by the, method.

A plurality of battery cell (2) and one battery management system including battery system (1) in, said battery system (1) according to method number 1 or number 2 formed to execute the anti anti characterized, battery system (1).