Method and device for prompting abnormity of vehicle low-voltage power supply system

The invention provides a vehicle low-voltage power supply system abnormity prompting method and device, and the method comprises the steps: detecting the state information of a low-voltage power supply system in real time after a vehicle is powered on; determining whether a power supply line, a converter or a storage battery in the low-voltage power supply system is abnormal or not according to the state information of the low-voltage power supply system; and when the power supply line, the converter or the storage battery in the low-voltage power supply system is abnormal, turning on an abnormity prompting lamp and displaying abnormity prompting information set for the state information of the low-voltage power supply system. According to the technical method, the abnormity of the low-voltage power supply system can be detected in real time, the abnormity prompting lamp is turned on for the abnormity, and the corresponding prompting information is given.

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Brake control system and rolling stock system with same

The invention relates to the technical field of brake control, and discloses a brake control system which comprises a first air cylinder, a second air cylinder and a first overflow valve assembly. The first overflow valve assembly is connected to the first air cylinder through the first end and connected to the second air cylinder through the second end. The first overflow valve assembly is configured to selectively conduct bidirectionally according to the air pressure at the port, and when the first overflow valve assembly is conducted, the larger air pressure in the first air pressure at the first end and the second air pressure at the second end is transmitted to the other end. According to the invention, the air pressure between the first air cylinder and the second air cylinder can be mutually transmitted, and when the pressure energy of any air cylinder is abnormal, the air pressure can be adaptively adjusted, so that the safety and usability of the first air cylinder and the second ...

Endurance mileage correction display method and device, computer equipment and storage medium

The invention relates to an endurance mileage correction display method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining a surface display charge state of a vehicle, and obtaining the surface display charge state according to an approximate value of an actual charge state of a vehicle battery; determining a correction level according to the surface display charge state, and determining a mileage correction amount according to the correction level, the correction level being in linear negative correlation with the surface display charge state; in the non-gun-insertion charging state, a first corrected mileage is obtained by subtracting the mileage correction amount from the estimated endurance mileage of the vehicle, the first corrected mileage is output and displayed to serve as meter display endurance, and when the meter display charge state is equal to zero, the meter display endurance is zero; by adopting the method provided by the invention ...

Text abstract generation method based on global autoregression

The invention provides a text abstract generation method based on global autoregression, which comprises the following steps: S1, inputting a text into a first encoder to obtain semantic representation of the text; s2, inputting the semantic representation H of the text into a decoder to generate candidate abstracts; s3, inputting the candidate abstract and the text semantic representation H into a second encoder to obtain a perceptual semantic representation H of the candidate abstract; s4, inputting the text semantic representation H and the perceptual semantic representation H of the candidate abstract into a decoder to generate a new candidate abstract; and S5, repeating the steps S3-S4 until a preset number of repetition times is reached, and finally taking the candidate abstract output by the decoder as the text abstract. Through the global autoregression method provided by the invention, the generated text can be repeatedly iterated and rewritten, the content of the output text is ...

New energy automobile charging fault prompting method and device, electronic equipment and medium

The invention provides a new energy automobile charging fault prompting method and device, electronic equipment and a medium. The method comprises the following steps: monitoring an event in a charging process, and when the event is judged to be a charging fault event, encoding the charging fault event by using an encoding rule to obtain a charging fault event code; performing fault reason division on the charging fault event code by using the fault reason set to determine the fault reason set; according to the charging state, the fault reason set, the fault grade and the charging gun connection state of the battery management system, performing fault classification on the current charging fault to obtain a fault category enumeration value; and the fault category enumeration value is sent to a fault prompting system, so that the fault prompting system determines an operation prompt word, and the operation prompt word is sent to a cabin terminal and/or a mobile terminal for display. The ...

Mechanism is suspended in midair to self -adaptation

... 本实用新型提供一种自适应悬吊机构，包括连接半座、侧倾连接半座、侧倾俯仰件、俯仰避让件和自旋件，自旋件的连接端与悬吊索相连；俯仰避让件的俯仰端与侧倾俯仰件的俯仰端相连，可同轴旋转构成俯仰关节，保证俯仰关节可在竖直面内做俯仰运动，俯仰避让件的自旋连接端与自旋件相连构成旋转关节，保证俯仰避让件可绕自旋件水平转动；侧倾俯仰件的侧倾端与侧倾连接半座的侧倾半座端相连构成侧倾关节，适应竖直面内臂杆侧倾旋转；连接半座与侧倾连接半座的连接半座端配合使用固连在臂杆上。通过多个具有单自由度的关节机构组合使用达到多自由度，实现对机械臂旋转的自适应，利用适应运动空间的结构避让构型来实现空间避让，以自动适应机械臂运动。 ...

Redundant design gear switching control system, method and equipment and storage medium

The invention provides a gear switching control system, method and device with redundant design and a storage medium, the system comprises a vehicle control unit, switching circuits and a caliper motor, the switching circuits comprise a first switching circuit and a second switching circuit, the control ends of the first switching circuit and the second switching circuit are connected with the vehicle control unit, and the caliper motor is connected with the vehicle control unit. The input end is suitable for being connected with external current, and the output end is connected with a caliper motor; the vehicle control unit is used for controlling the first switching circuit to be closed to supply external current to the caliper motor when the vehicle state meets the parking condition under the abnormal condition of the electronic stability system of the vehicle, and the caliper motor is controlled by a hard wire to execute the clamping action. And meanwhile, the control circuit is also ...

Flood similarity estimation method based on rainstorm flood knowledge graph

The invention discloses a flood similarity estimation method based on a rainstorm flood knowledge map. The flood similarity estimation method comprises the following steps: step 1, establishing a rainstorm flood knowledge map of a research area drainage basin; 2, establishing a rainstorm flood characteristic index system; step 3, constructing a rainstorm flood scene library based on a distributed model; step 4, carrying out rainstorm flood weighting system classification similarity discrimination; and 5, real-time flood rolling correction and extrapolation estimation are carried out. According to the method, real-time flood key scene retrieval and reasoning based on the rainstorm flood knowledge graph are completed, intelligent rainstorm flood forecasting is achieved, flood forecasting accuracy is improved, development of a flood process forecasting technology based on historical rainstorm flood knowledge is promoted, and the method is suitable for popularization and application. And meanwhile ...

Liquid cooling pre-start control method, device and equipment of intelligent driving controller

The invention provides a liquid cooling pre-start control method, device and equipment for an intelligent driving controller, and the method comprises the steps: enabling the intelligent driving controller to transmit a high-voltage power-on request signal to a vehicle control unit when a user is judged to have a vehicle use intention; after the whole vehicle controller executes whole vehicle high-voltage power-on, a thermal management system is started to control a water pump, and liquid cooling is conducted on the intelligent driving controller in a first heating mode; after the vehicle control unit receives a high-voltage request sent by the intelligent driving controller, when it is detected that no high-voltage power-on trigger source exists at present, the vehicle control unit executes vehicle high-voltage power-off; and the temperature of the intelligent driving controller is obtained and compared with a preset temperature threshold value, and based on the comparison result, the ...

Battery heating control method and device, computer equipment and storage medium

The invention relates to a battery heating control method and device, computer equipment and a storage medium, and the method comprises the steps that after a new energy automobile is started, a cabin module collects the parameter information of a charging station, a battery management system collects the electric quantity of a battery, and a vehicle control unit controls the heating of the battery according to the parameter information and the electric quantity of the battery; determining an estimated electric quantity when the new energy vehicle reaches the charging station; when the estimated electric quantity is larger than or equal to a first electric quantity threshold value and the type of the charging station is fast charging, the vehicle control unit configures a heating enable signal to be in an on state and transmits the heating enable signal to the battery management system; when the battery management system receives a heating enable signal in an on state, the real-time temperature ...

Buckle type current sensor design

A snap-on current sensor design is disclosed. A snap-on assembly includes a housing that accommodates an integrated circuit having a sensor. The connector supplies power to the integrated circuit and transmits signals from the integrated circuit to the electronic circuit. The insert fits into the opening of the housing and secures the conductor in the housing without a mechanical fastener. A sensor measures a magnetic field generated by a current through the conductor.

Battery protection method and device

The invention relates to a battery protection method and device. The method comprises the following steps: a battery management system obtains the residual electric quantity and the actual discharge power of a battery; determining whether the battery is in a low-power state or not according to the remaining power of the battery; if yes, determining a current low electric quantity level and a preset power threshold value corresponding to the low electric quantity level; if the actual discharge power is lower than a preset power threshold value corresponding to the low electric quantity level, and the duration time is longer than a preset time; and the vehicle control unit executes a low-power protection measure corresponding to the low-power level. The remaining battery electric quantity and the actual discharging power serve as the judgment basis for starting low-electric-quantity protection of the power battery pack, according to the situation of the remaining battery electric quantity ...

Air compressor control method and rail vehicle control method

The invention discloses an air compressor control method and a rail vehicle control method.The air compressor control method is applied to a braking system, and the braking system comprises an air compressor and a safety valve connected to the air compressor; the air compressor control method comprises the steps that according to the exhaust pressure value of the safety valve, the shutdown upper limit value of the air compressor is set; receiving the maximum allowable pressure value corresponding to the current braking task, and judging whether the maximum allowable pressure value is smaller than the shutdown upper limit value of the air compressor or not; if yes, the shutdown pressure value of the air compressor is set to be the highest allowable pressure value; and if not, the shutdown pressure value is set to be the shutdown upper limit value. According to the air compressor control method provided by the invention, air supply of the air compressor can be prevented from being influenced ...

Gear control method and device, computer equipment and storage medium

The invention relates to a gear control method and device, computer equipment and a storage medium. The method comprises the steps that a controller local area network message of the electronic parking brake system is collected, and when it is determined that the electronic parking brake system breaks down according to the controller local area network message, the current state of a vehicle is obtained; if the current gear is the driving gear, a gear shifting request of a user is received, and a target gear and a corresponding predicted driving direction are obtained according to the gear shifting request; according to at least one characteristic of the current vehicle speed, the current driving direction, the target gear and the predicted driving direction, whether the risk exists in switching to the target gear or not is judged; if the risk exists, the target gear is processed, and an actual gear is obtained; and gear switching is executed according to the actual gear. By adopting the ...

Lactobacillus salivarius and application thereof

The invention relates to lactobacillus salivarius and application thereof, the lactobacillus salivarius is named as lactobacillus salivarius RS-23-1, is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.26619, the preservation address is No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing, China, and the preservation date is February 21, 2023. The lactobacillus salivarius RS-23-1 disclosed by the invention can be used for improving the immunity of animals and enhancing the anti-inflammatory ability of intestinal tracts of piglets, so that the occurrence of induced intestinal inflammation of the piglets is reduced.

Forklift battery replacement mechanism applied to multiple scenes

The invention discloses a forklift battery replacement mechanism applied to multiple scenes, the forklift battery replacement mechanism applied to multiple scenes comprises a bracket main body and a storage battery, one side of the bracket main body is provided with a micro-motion locking device, and the bracket main body comprises an upper rotating shaft assembly and a guide moving assembly used for driving the storage battery; the upper rotating shaft assembly is connected with a traction assembly, and the micro-motion locking device is connected with the upper rotating shaft assembly in a matched mode. The problems that an existing battery replacement device cannot be applied to different scenes and cannot be compatible with storage batteries of different sizes are solved, on the basis of the bracket body, a micro-motion locking device is arranged so as to adapt to locking under the power-on and manual scenes, the continuity of the battery replacement process is guaranteed, and the work ...

Pre-refueling mode control method and device, electronic equipment and readable storage medium

The invention relates to the technical field of automobiles, and provides a pre-refueling mode control method and device, electronic equipment and a readable storage medium. The method comprises the steps that it is determined that a range extender of a vehicle is in an on state, and the temperature of cooling liquid in an engine cooling loop is obtained; if the temperature of the cooling liquid is larger than a first temperature threshold value, and the duration that the temperature of the cooling liquid is larger than the first temperature threshold value is larger than a duration threshold value, the condition of starting the pre-refueling mode is met, and the first temperature threshold value is the highest safety temperature of the cooling liquid; and in response to the condition of starting the pre-refueling mode, after a starting instruction of the pre-refueling mode is received, the pre-refueling mode is entered, the pre-refueling mode comprises stopping operation of the engine ...

Vehicle power-on and power-off system, implementation method and computer equipment

The invention relates to a vehicle power-on and power-off system, an implementation method and computer equipment, the vehicle power-on and power-off system is applied to a domain controller, the vehicle power-on and power-off system comprises an atomic service layer, a power-on and power-off application layer and an execution unit which are connected in sequence, and the power-on and power-off application layer at least comprises a low-voltage management module, a high-voltage management module and a mode management module. The low-voltage management module judges a low-voltage power-on condition or a low-voltage power-off condition of the domain controller; the high-voltage management module judges the high-voltage power-on condition or the high-voltage power-off condition of the whole vehicle according to the vehicle state, and the execution unit is used for executing the high-voltage power-on operation after the low-voltage power-on operation is carried out and when the high-voltage ...

Molecular simulation-based shale multi-mineral-composition core skeleton model establishment method

The invention relates to a molecular simulation-based shale multi-mineral component core skeleton model establishment method, which comprises: (1) extracting a stratum shale sample, obtaining mineral component information through an X-ray diffraction experiment, and calculating the percentage content of each mineral component; (2) respectively constructing each mineral original unit cell unit model; (3) cutting the original unit cell unit model to obtain a surface which is most easily exposed to the outside as a minimum unit of the complex mineral model; (4) calculating the minimum integer ratio of each mineral molecule in the shale sample to obtain the number of each mineral molecule required for establishing the model; (5) an Amorphus Cell Calculation plate of molecular simulation software Materials Studio is used for carrying out random adsorption filling on the section model of each mineral original unit cell unit, and a composite mineral model composed of different mineral unit cells ...

Application of lactobacillus salivarius in oxidation resistance

The invention relates to an application of lactobacillus salivarius in antioxidation, an application of lactobacillus salivarius RS-23-1 in antioxidation, and an application of lactobacillus salivarius RS-23-1 in preparation of antioxidation products. The lactobacillus salivarius is named as lactobacillus salivarius RS-23-1 and is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.26619, the preservation address is No. 3, No.1 yard, Beichen West Road, Chaoyang District, Beijing, China, and the preservation date is February 21, 2023. The pig source lactobacillus salivarius RS-23-1 disclosed by the invention can be used for improving the antioxidant capacity of animals so as to reduce the induced diseases of the animals, and can be used for preparing antioxidant products.

Egg collecting equipment for under-forest farm

The invention relates to the field of agricultural breeding, in particular to an egg collecting device for an under-forest farm. The invention provides an under-forest farm egg collecting device which can more stably collect and place eggs and effectively reduce loss. The invention discloses an egg collecting device for an under-forest farm. The egg collecting device comprises a collecting frame, a U-shaped supporting frame, a slotted supporting frame, rolling wheels and the like. The U-shaped supporting frame is arranged at the top of the collecting frame, six slotting supporting frames are arranged at the bottom of the collecting frame, and rolling wheels are rotationally connected to the six slotting supporting frames. The elastic steel wire roller moves forwards to make contact with the eggs, the eggs can be clamped between two steel wires of the elastic steel wire roller, then a worker pushes the elastic steel wire roller to move forwards by a certain distance, the elastic steel wire ...

Railway vehicle braking force distribution and benchmarking parking control method

The invention discloses a rail vehicle braking force distribution and benchmarking parking control method. The rail vehicle braking force distribution method comprises the steps that target braking force needed by braking of a current rail vehicle is obtained; and according to the ratio of the target braking force to the maximum braking force and the total number of the bogies, the braking force is distributed to the bogies. According to the railway vehicle braking force distribution method provided by the invention, the proportional relation between the required braking force and the maximum braking force can be considered to adjust the distribution of the braking force of the bogie, and the distribution is not limited to applying fixed braking force to all the braking frames, so that the requirement of the railway vehicle for responding to a lower signal braking level is favorably improved, and the reliability of the railway vehicle is improved. The response sensitivity is further improved ...

Asphalt pavement construction equipment and operation method

The invention belongs to the technical field of asphalt pavement construction, and particularly discloses equipment for asphalt pavement construction. The paver is provided with an asphalt smoothing device, and the asphalt smoothing device comprises a supporting table, a connecting plate, a scraper and a scraper plate; the supporting table is located at one end of the paver, a plurality of connecting parts are fixedly arranged on the side face of the supporting table, the connecting plate is located on one side of the supporting table, a movable shaft is fixedly arranged at the top of the connecting plate and penetrates through the connecting parts to be rotationally connected with the supporting table, and the supporting table and the connecting plate are rotationally connected in a lockable mode. Therefore, the ground clearance of the scraper is changed; the joint plate and the extension plate relatively slide to change the ground clearance of the scraper; the ground clearance of the ...