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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 13. Отображено 13.
23-06-2023 дата публикации

Aluminum alloy light-weight material for electric vehicle frame and preparation process of aluminum alloy light-weight material

Номер: CN116288569A
Автор: CHEN ZHIWU, WANG ZHONGMIN, WEI LIGONG, LI JIACHENG, ZHAO MAOMI, ZHOU DA, JIANG SHILING, LU ZHAO, LONG QIANXIN
Принадлежит:

The invention relates to the technical field of aluminum alloy, and discloses an electric vehicle frame aluminum alloy light-weight material and a preparation process, the surface of aluminum alloy is sequentially subjected to copper plating, nickel plating and carbon nanotube plating, the preparation process is simple and efficient, and the electroplating process is mild and small in pollution; the formed aluminum alloy containing the copper-nickel-carbon nanotube composite coating has the advantages of being small in density, light in weight, good in corrosion resistance and high in abrasion resistance, and development and application of aluminum alloy materials in light-weight electric vehicle frames are expanded.

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Номер записи: 1
23-02-2012 дата публикации

PORTABLE CUTTING MACHINE

Номер: WO2012022269A1
Автор: SUN, Yimin, ZHANG, Shisong, WU, Yu, BORINATO, Gianni, HE, Mingming, ZHOU, Da
Принадлежит:

A portable cutting machine comprises a housing (12), a swinging output shaft (16) partly projecting out of the housing and having an output shaft axis；an electric motor (14) accommodated within the housing; a driving shaft (44) for rotating under the drive of the electric motor (14), with the driving shaft (44) having a driving shaft axis; and a motion converting mechanism for converting the rotational movement of the driving shaft (44) into the swinging movement of the swinging output shaft, wherein, the output shaft axis and the driving shaft axis are arranged in parallel with each other. The portable cutting machine has relatively low vibration during cutting, so that the cutting precision and the handling comfort thereof are improved.

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Номер записи: 2
04-04-2023 дата публикации

Power distribution equipment detection method and system based on security and protection technology and Internet of Things management

Номер: CN115909619A
Автор: QIAN XUSHENG, ZHOU DA, ZHANG XIN, XIAN KAIQIANG, NI YULING, WANG DEYU, GU YINGXIN
Принадлежит:

The invention relates to a power distribution equipment detection method and system based on security and protection technology and Internet of Things management. The system comprises a security and protection system composed of an infrared fence, a video monitoring module and an alarm module, and an Internet of Things management system composed of an environment information acquisition module, a power distribution equipment detection module, a communication module and a memory module. The Internet of Things technology is adopted to carry out remote monitoring on power distribution equipment detection in the residential distribution project, the security and protection system identifies the identity and activity area of equipment detection personnel, and the Internet of Things management system detects the power distribution equipment and stores monitoring videos and event logs, so that unified management on information resources is realized. Through prevention and control at the front ...

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Номер записи: 3
23-05-2023 дата публикации

Standard instrument case capable of being flexibly stacked for electrical equipment detection

Номер: CN116142600A
Автор: ZHANG XIN, ZHOU DA, ZOU YUNFENG, NI YULING, GU YINGXIN, ZHANG JINQIU
Принадлежит:

The invention relates to a standard instrument case capable of being flexibly stacked for power equipment detection. The device comprises a clamping unit, the clamping unit comprises a clamping piece arranged on the upper portion of a box body and a limiting part which can be matched with the clamping piece and is arranged on the lower portion of the box body, the clamping piece comprises a stress part and a rotating part rotating along an upper plate, and the stress part can be matched with the limiting part through rotation of the rotating part; the stress part is limited by the limiting part to limit the movement of the clamping piece along the limiting part; the bearing and sliding unit comprises a bearing part arranged on the upper portion of the box body and a sliding part arranged on the lower portion of the box body and capable of being borne through the bearing part, and the box body unit moves along the ground through the sliding part. When the cases are stacked, the clamping ...

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Номер записи: 4
13-06-2023 дата публикации

Lightweight anti-corrosion aluminum alloy material electric vehicle frame

Номер: CN116251719A
Автор: WANG ZHONGMIN, CHEN ZHIWU, WEI LIGONG, LI JIACHENG, ZHOU DA, JIANG SHILING, LU ZHAO, ZHAO MAOMI, ZENG QINGYU, YAO QINGRONG
Принадлежит:

The invention relates to the technical field of aluminum alloy, and discloses a lightweight anti-corrosion aluminum alloy material electric vehicle frame, which is characterized in that an acrylate-based carbon nanotube and an acrylate monomer are subjected to a polymerization reaction through an in-situ polymerization method to obtain anti-corrosion carbon nanotube-based acrylic resin; and an acrylic resin coating with good stability and high binding power is formed on the surface of the aluminum alloy electric vehicle frame through thermocuring. The carbon nanotubes are grafted into the acrylic resin, so that the interfacial force between the carbon nanotubes and the acrylic resin is enhanced, the carbon nanotubes are uniformly dispersed in the acrylic resin, the agglomeration of the carbon nanotubes is favorably reduced, and the mechanical properties such as impact resistance and the like of the acrylic resin coating on the surface of the aluminum alloy are improved; and the coating ...

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Номер записи: 5
23-05-2023 дата публикации

High-voltage power equipment detection system and method

Номер: CN116148602A
Автор: ZHOU DA, ZUO QIANG, ZOU YUNFENG, XIAN KAIQIANG, WANG DEYU
Принадлежит:

The invention relates to a high-voltage power equipment detection system, which comprises a data management platform, a wireless terminal, a control module and a test module, and is characterized in that the wireless terminal is connected with the data management platform; the control module is connected with a wireless terminal; the test module is connected with the control module, the test module comprises a plurality of integrated test sub-modules, and the test module is used for receiving a test task instruction sent by the control module and calling at least one test sub-module for testing according to the test task instruction. A plurality of test sub-modules are integrated on the test module, at least one test sub-module is called for testing by using the test task instruction generated by the data management platform, the test data are processed by the control module to generate the test report to be uploaded in real time, the transportation cost is reduced through integration of ...

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Номер записи: 6
07-04-2023 дата публикации

Reconstruction method and reconstruction system for top layer of live-action three-dimensional model

Номер: CN115937456A
Автор: SHENG ZHONGJIE, LIU YUCAI, WANG SHAOYI, WANG YONGFENG, FU HAILONG, YU HAIBO, QU CHAO, SUN LIZHI, ZHAO HUCHUAN, ZHOU DA
Принадлежит:

The invention discloses a live-action three-dimensional model top layer reconstruction method and system, and the method comprises the steps: reading a root node file of an original live-action three-dimensional model data file, determining the geographic range of the whole live-action three-dimensional model data file, generating DOM and DSM image files according to the geographic range determined in S2, judging whether an image is generated successfully or not, and if yes, executing the step S3; calculating a top quadtree index according to tiles of the live-action three-dimensional model data file, reconstructing a top pyramid model of the live-action three-dimensional model, optimizing model representation, executing model vertex simplification and index reconstruction, and ending a program; the system comprises modules corresponding to the reconstruction method. According to the invention, efficient reconstruction of the top layer of the live-action three-dimensional model in the current ...

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Номер записи: 7
03-12-2015 дата публикации

TRAIN NETWORK CONTROL SYSTEM

Номер: WO2015180445A1
Автор: CHEN, Yufei, ZHOU, Da, WANG, Feng
Принадлежит:

Provided is a train network control system, comprising: a main control unit and a network control sub-system corresponding to each railway car; each network control sub-system comprises an ETBN and Ethernet interface gateway; the Ethernet interface gateway is connected to the ETBN via a first Ethernet interface; the Ethernet interface gateway is connected to a railway car-mounted device on a railway car via a device network interface; the neighboring network control sub-systems are connected via the neighboring ETBNs; the neighboring ETBNs are connected via a second Ethernet interface; the main control unit is connected, via the first Ethernet interface, to the ETBN in the network control sub-system where the main control unit exists, acquires the operation status information of a train via the ETBN in each network control sub-system, and transmits a control signal according to the operation status information. The train control system is constructed as an Ethernet-based network architecture ...

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Номер записи: 8
06-06-2023 дата публикации

Preparation method of super-hydrophobic self-cleaning aluminum alloy coating

Номер: CN116218320A
Автор: WANG ZHONGMIN, LI JIACHENG, ZENG QINGYU, ZHOU DA, FU JUNWEI, CHEN ZHIWU, ZHAO MAOMI, LU ZHAO, WEI LIGONG, JIANG SHILING
Принадлежит:

The invention relates to the technical field of aluminum alloy coatings, and discloses a preparation method of a super-hydrophobic self-cleaning aluminum alloy coating, which comprises the following steps: reacting amino groups of N-(3-aminopropyl) methacrylamide hydrochloride with isocyanate groups on the surface of isocyanate group SiO2 to obtain acrylamide group SiO2; the preparation method comprises the following steps: carrying out a copolymerization reaction on an introduced acrylamide group, perfluorohexyl ethyl methacrylate, octadecyl acrylate and double-end vinyl polysiloxane so as to graft a fluorine-containing organosilicon polymer to the surface of nano SiO2 to obtain hydrophobic modified nano SiO2, compounding the hydrophobic modified nano SiO2 with epoxy resin, and coating the surface of an aluminum alloy with the hydrophobic modified nano SiO2 so as to obtain a composite material. The nano SiO2 and epoxy resin compounded super-hydrophobic coating is obtained through heat ...

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Номер записи: 9
09-05-2023 дата публикации

Electric quantity prediction method based on air temperature inertial effect, terminal equipment and medium

Номер: CN116090620A
Автор: LAI JIEPENG, GUO SHIHUI, ZHOU DA
Принадлежит:

The invention relates to an electric quantity prediction method based on an air temperature inertial effect, terminal equipment and a medium, and the method comprises the steps: collecting the daily electric quantity and daily average air temperature within N days before a to-be-predicted day, and collecting the predicted average air temperature of the to-be-predicted day; extracting a high-temperature saturation temperature and a low-temperature saturation temperature; calculating a daily air temperature inertia index within N days before the to-be-predicted day and an air temperature inertia index of the to-be-predicted day; establishing an electric quantity prediction model, setting the input of the model as an air temperature inertia index, setting the output of the model as predicted electric quantity, and training the model through the daily air temperature inertia index and daily electric quantity within N days before the to-be-predicted day, so that the difference between the predicted ...

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Номер записи: 10
29-08-2023 дата публикации

Anemometer data correction method, system and device

Номер: CN116660579A
Автор: ZHOU WENQING, SHAO YI, ZHOU DA, ZHOU BO, ZHANG XIAOXU, CHANG YITING, ZHANG QIAN
Принадлежит:

The invention discloses an anemometer data correction method, system and device, and belongs to the technical field of marine environment measurement. The correction method comprises the following steps: acquiring a first three-axis acceleration, a three-axis angular velocity, a three-axis movement velocity, a second three-axis acceleration and a course of a carrier under a geodetic coordinate system as observed quantities; determining a rotation matrix from the carrier coordinate system to the geodetic coordinate system based on the observed quantity; determining a rotation matrix from an anemometer coordinate system to a carrier coordinate system based on the relative position of the anemometer and the carrier; and the wind speed vector measurement value measured by the anemometer is corrected. According to the invention, the observation data is obtained based on the inertial measurement mode and the GNSS measurement mode, the error of direction measurement by a magnetometer and a gyroscope ...

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Номер записи: 11
25-08-2023 дата публикации

Electric power tool in-out cabinet management system and method based on intelligent tool cabinet

Номер: CN116645756A
Автор: PAN CHUANPENG, XIAO KAI, XIONG SHUMIN, YU PEIYONG, LIU SONG, WANG CHANG, YANG HENG, SHI TAO, ZHAO SHUGANG, ZHOU DA, LUO XUAN, HU WEILU, XIONG HONGWEI, LIU HAO
Принадлежит:

The invention discloses an electric power tool cabinet access management system and method based on an intelligent tool cabinet, and the system comprises a receiving and returning cabinet access module which is used for carrying out the recognition, registration and cabinet access operation of reserved or non-reserved tools, carrying out the returning, recognition and registration operation of the received tools, and achieving the receiving and returning of the tools; the inspection in-out cabinet module is used for performing inspection in-out cabinet identification and registration operation on the tools needing to be inspected to realize inspection in-out cabinet of the tools; the maintenance in-cabinet module is used for carrying out maintenance in-cabinet identification and registration operation on the tools which are maintained to be qualified so as to realize maintenance in-cabinet of the tools; and the scrapped out-of-cabinet module is used for performing scrapped out-of-cabinet ...

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Номер записи: 12
01-08-2023 дата публикации

Aluminum alloy micro-arc oxidation liquid and micro-arc oxidation process thereof

Номер: CN116516439A
Автор: LI JIACHENG, ZENG QINGYU, WANG ZHONGMIN, ZHAO MAOMI, LU ZHAO, CHEN ZHIWU, ZHOU DA, FU JUNWEI, WEI LIGONG
Принадлежит:

The invention relates to the technical field of micro-arc oxidation, and discloses an aluminum alloy micro-arc oxidation liquid and a micro-arc oxidation process thereof.The aluminum alloy micro-arc oxidation liquid is characterized in that phytic acid and hydroxylated carbon nanotubes are subjected to a hydrothermal reaction and a chemical bonding reaction, phytic acid structures are grafted on the surfaces of the carbon nanotubes, the dispersity of the carbon nanotubes in the micro-arc oxidation liquid is improved, and the micro-arc oxidation effect is improved; the agglomeration problem of the carbon nanotubes is improved, and convenience is provided for subsequent micro-arc oxidation treatment. Phytic acid modified carbon nanotubes are used as an additive and are compounded with sodium silicate, sodium fluoride, glycerol and the like, a micro-arc oxidation liquid formula and a micro-arc oxidation process are optimized, a ceramic layer is formed on the surface of the aluminum alloy, ...

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Номер записи: 13