WO2024037471A1 - Système de batterie monté sur un véhicule commandé au moyen d'un réseau sans fil - Google Patents

Système de batterie monté sur un véhicule commandé au moyen d'un réseau sans fil Download PDF

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Publication number
WO2024037471A1
WO2024037471A1 PCT/CN2023/112710 CN2023112710W WO2024037471A1 WO 2024037471 A1 WO2024037471 A1 WO 2024037471A1 CN 2023112710 W CN2023112710 W CN 2023112710W WO 2024037471 A1 WO2024037471 A1 WO 2024037471A1
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WO
WIPO (PCT)
Prior art keywords
controller
sub
battery
wireless network
vehicle
Prior art date
Application number
PCT/CN2023/112710
Other languages
English (en)
Chinese (zh)
Inventor
王超
Original Assignee
吉林省中赢高科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 吉林省中赢高科技有限公司 filed Critical 吉林省中赢高科技有限公司
Publication of WO2024037471A1 publication Critical patent/WO2024037471A1/fr

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Definitions

  • the utility model relates to the technical field of automotive electrical appliances, and more specifically, to a vehicle-mounted battery system controlled through a wireless network.
  • Vehicle batteries are an important part of electric vehicles and hybrid vehicles. Using vehicle batteries to power vehicles not only saves energy, but also reduces environmental pollution. Generally, the vehicle battery is installed inside the car body and needs to be connected to a wiring harness to transmit power and control signals. However, this will increase the complexity of the wiring harness wiring inside the car body, increase the difficulty of car assembly and maintenance, and also make the cost of the car high.
  • the purpose of this utility model is to provide a new technical solution for a vehicle-mounted battery system controlled through a wireless network.
  • the main controller of the utility model controls each sub-controller and the battery pack through a wireless network, and does not need to use wire harnesses to connect each sub-controller and the battery pack, saving the usage of wire harnesses and reducing the cost of the entire vehicle battery system.
  • the utility model provides a wirelessly controlled battery system, which includes a main controller installed in a car, at least one battery pack installed in the vehicle body, and a sub-controller connected to the battery pack.
  • the main controller passes The wireless network performs data and signal transmission with the sub-controller.
  • the battery pack includes a battery core, a battery management module, a battery tray and a battery cover.
  • the battery tray is fixedly or integrally connected to the vehicle body, the battery core is arranged on the battery tray, and the battery cover The board covers the battery core, and the battery management module is connected to the sub-controller.
  • the battery management module is connected to the battery core and used to control charging or discharging or power-off of the battery core.
  • the battery pack further includes a heat dissipation module, and the heat dissipation module is connected to the sub-controller through a wireless network.
  • the main controller includes a wireless transmitting unit
  • the sub-controller includes a wireless receiving unit
  • the output end of the main controller is connected to the wireless transmitting unit and sends control signals through the wireless network
  • the sub-controller includes a wireless receiving unit.
  • the input end of the controller is connected to the wireless receiving unit and receives the control signal.
  • the main controller includes a wireless receiving unit
  • the sub-controller includes a wireless transmitting unit
  • the output end of the sub-controller is connected to the wireless transmitting unit and sends the status information through a wireless network, so The input end of the main controller is connected to the wireless receiving unit and receives the status information.
  • the wireless transmitting unit further includes an encryption module.
  • the output ends of the main controller and the sub-controller are connected to the wireless transmitting unit through the encryption module.
  • the encryption module converts the control signal into Or the status information is encrypted;
  • the wireless receiving unit includes a decryption module, the input terminals of the main controller and the sub-controller are connected to the wireless receiving unit through the decryption module, and the decryption module will receive Decrypt the control signal or the status information.
  • a mobile control terminal is also included, the mobile control terminal is connected to the sub-controller through a wireless network, and the sub-controller feeds back the status information to the mobile control terminal through the wireless network.
  • the sub-controller is provided with a power monitoring device capable of monitoring the remaining power of the battery pack.
  • the power monitoring device is electrically connected to the battery pack and the sub-controller, and The remaining power information of the battery pack is fed back to the sub-controller.
  • the sub-controller is equipped with a power alarm device, the power alarm device is electrically connected to the sub-controller, and an alarm value for the remaining power of the battery pack is set in the sub-controller.
  • the sub-controller When the battery pack When the remaining power is lower than the alarm value, the sub-controller will feedback the alarm signal to the main controller through the wireless network, and the main controller will issue an alarm message through the car display terminal.
  • the main controller of the utility model controls each sub-controller and battery pack through a wireless network, and does not need to use wire harnesses to connect each sub-controller and battery pack, saving the usage of wire harnesses and reducing the installation and maintenance hours of each battery. , reducing the cost of the entire vehicle battery system.
  • Figure 1 is a structural block diagram of the vehicle battery system of the present utility model
  • FIG. 1 is another structural block diagram of the vehicle battery system of the present invention.
  • FIG. 3 is another structural block diagram of the vehicle battery system of the present invention.
  • any specific values are to be construed as illustrative only and not as limiting. Accordingly, other examples of the exemplary embodiments may have different values.
  • the utility model provides a battery system controlled through a wireless network. As shown in Figure 1, it includes a main controller 1 installed in a car, at least one battery pack 4 installed in the vehicle body, and a sub-controller connected to the battery pack 4. 2, the main controller 1 transmits data and signals with the sub-controller 2 through the wireless network.
  • Each battery pack 4 inside the car needs to be connected to a wire harness 3 to transmit power and control signals.
  • arranging too many wire harnesses inside the car not only increases the amount of car wire harnesses, but also increases the complexity of the car wire harness wiring. The difficulty of car assembly and maintenance has also made the cost of cars remain high.
  • the present utility model provides a wirelessly controlled vehicle battery system, which transmits control signals and status information through the wireless connection between the main controller 1 and the sub-controller 2, eliminating the need for communication between the battery pack 4 and the instrument panel.
  • the wiring harness connection saves the amount of wiring harness used in the entire vehicle, reduces the weight of the entire vehicle, reduces costs, and also contributes to energy conservation and emission reduction.
  • the battery pack 4 includes a battery core 42, a battery management module 43, a battery tray 41 and a battery cover 44.
  • the battery tray 41 is fixedly or integrally connected to the vehicle body.
  • the battery core 42 is disposed on the battery tray 41 , the battery cover 44 covers the battery core 42 , and the battery management module 43 is connected to the sub-controller 2 .
  • the battery pack 4 may be installed at any position on the car body, but the car is always in a vibrating environment during driving, so the battery pack 4 needs to be firmly fixed on the car body.
  • the battery tray 41 of the battery pack 4 can be connected by snapping or screwing. , riveting, bonding or welding, fixed on the car body sheet metal.
  • the battery core 42 and the battery management module 43 are both fixed on the battery tray 41.
  • the battery management module 43 is connected to the sub-controller 2 through a wireless network.
  • the sub-controller 2 sends charging or discharging signals to the battery management module 43 through the wireless network.
  • the battery cover The plate 44 covers the battery core 42 and the battery management module 43 and is detachably installed on the battery tray 41.
  • the battery cover 44 is fixed on the battery tray 41 by clamping, screwing, etc., and is detachable when necessary to facilitate replacement.
  • the battery cell 42 or the battery pack 4 is repaired.
  • the battery management module 43 is connected to the battery core 42 and is used to control the charging or discharging or power-off of the battery core 42 . Inside the battery pack 4, the battery management module 43 is electrically connected to the battery core. When the sub-controller 2 sends a charging or discharging signal to the battery management module 43, the battery management module 43 controls the battery core to charge or discharge.
  • the battery pack 4 further includes a heat dissipation module 45, and the heat dissipation module 45 is connected to the sub-controller 2 through a wireless network.
  • the battery pack 4 will generate heat during the charging process of the car. Excessive heat will cause safety hazards to the car. Therefore, the battery pack 4 also includes a heat dissipation module 45.
  • the heat dissipation module 45 is connected to the sub-controller 2 through a wireless network. In the sub-controller 2.
  • the battery management module 43 When sending the charging signal to the battery management module 43, it also sends the heat dissipation module to the heat dissipation module 45, so that the battery pack 4 can dissipate heat during the charging process, and the battery pack 4 will not be burned due to high temperature, ensuring the safety of car charging.
  • the main controller 1 includes a wireless transmitting unit 71
  • the sub-controller 2 includes a wireless receiving unit 72
  • the output end of the main controller 1 is connected to the wireless transmitting unit 71 and
  • the control signal is sent through the wireless network
  • the input end of the sub-controller 2 is connected to the wireless receiving unit 72 and receives the control signal.
  • the wireless transmitting unit 71 is capable of converting the control signal of the main controller 1 into a wireless transmission signal and then sending it out through a wireless transmitting antenna.
  • F05R is a small-sized, low-voltage, micro-power wireless transmitting module. Adopting SMT technology, the sound surface frequency is stable and the performance is stable. It is especially suitable for small-sized wireless remote control and data transmission products powered by battery 6.
  • the wireless receiving unit 72 is generally divided into two types: super regenerative and superheterodyne receiving modules. According to whether there is codec, it can also be divided into a wireless receiving head (without decoding, outputting pulse signals) and a wireless receiving board (with decoding chip, Output TTL level signal).
  • the control signal of the main controller 1 is sent by the wireless transmitting unit 71 and then received by the wireless receiving unit 72, and converted into a control signal and transmitted to the sub-controller 2, and the sub-controller 2 controls the corresponding battery pack 4. .
  • the main controller 1 includes a wireless receiving unit 72
  • the sub-controller 2 includes a wireless transmitting unit 71
  • the output end of the sub-controller 2 is connected to the wireless transmitting unit 71.
  • the status information is sent through the wireless network, and the input terminal of the main controller 1 is connected to the wireless receiving unit 72 and receives the status information.
  • the sub-controller 2 needs to be equipped with a wireless transmitting unit 71.
  • the sub-controller 2 can transmit the The status information is passed to the wireless transmitting unit 71, and then the wireless transmitting unit 71 sends it out through the wireless transmitting antenna.
  • the main controller 1 is equipped with a wireless receiving unit 72. After receiving the signal sent by the wireless network, the wireless receiving unit 72 of the main controller 1 converts it into status information of the battery pack 4 and transmits it to the human-machine interface of the car so that the driver can The working status of each battery pack 4 can be understood at any time and corresponding feedback can be made in a timely manner.
  • the wireless transmitting unit 71 also includes an encryption module 81.
  • the output ends of the main controller 1 and the sub-controller 2 are connected to the wireless transmitting unit 71 through the encryption module 81.
  • Encryption The module 81 encrypts the control signal or status information;
  • the wireless receiving unit 72 includes a decryption module 82.
  • the input terminals of the main controller 1 and the sub-controller 2 are connected to the wireless receiving unit 72 through the decryption module 82.
  • the decryption module 82 converts the received control Signal or status information decryption.
  • the encryption module 81 uses the internal encoder to re-encode the control signal or status information according to certain rules, that is, The key is then sent out through wireless transmission. In this way, even if other vehicles receive the wireless information, they cannot identify the corresponding information because there is no corresponding key. At the same time, the key will also have its own identification code.
  • the identification code of other vehicles receiving information is inconsistent with its own identification code, it will not identify the corresponding information. Only the information receiving device corresponding to the identification code, that is, the corresponding decryption module 82, will decrypt the information using the corresponding rules and pass the decrypted information to the corresponding main controller 1 or sub-controller 2.
  • the mobile control terminal 5 is connected to the sub-controller 2 through a wireless network.
  • the sub-controller 2 feeds back status information to the mobile control through the wireless network. Terminal 5.
  • the mobile control terminal 5 includes a mobile phone, a tablet or a mobile notebook computer.
  • the mobile control terminal 5 can be connected to the car's wireless network through wifi, Bluetooth, 4G network or 5G network, and communicate with the wireless transmitting unit 71 of the sub-controller 2 and the wireless network.
  • the receiving unit 72 is wirelessly connected and can receive the status information of the battery pack 4 sent by the sub-controller 2. Even if the driver is not in the car, he can observe the situation of the battery pack 4 inside or outside the car through the mobile control terminal 5. So as to handle some abnormal situations in time. For example, if you forget to turn off some battery packs 4, you can check the shutdown status of each battery pack 4 through the mobile control terminal 5, and shut down the battery packs 4 through remote control.
  • the mobile control terminal 5 can also transmit control signals to each battery pack 4 through installed software and control some functions, so that the driver can operate each battery pack 4 without going inside the car.
  • the mobile control terminal 5 and the main controller 1 send control signals at the same time, it also means that someone is operating in the cab of the car.
  • the sub-controller 2 will take the control signal sent by the main controller 1 as the standard to avoid the problem caused by the mobile control terminal 5 Misoperation may cause the car to behave unexpectedly.
  • the sub-controller 2 is provided with a power monitoring device, which can monitor the remaining power of the battery pack 4.
  • the power monitoring device is in conjunction with the battery pack 4 and the sub-controller.
  • the controller 2 is electrically connected, and the remaining power information of the battery pack 4 is fed back to the sub-controller 2.
  • the battery pack 4 is also equipped with a power alarm device.
  • the power monitoring device is connected to the sub-controller 2 and sets a threshold value for the remaining power information of the battery pack 4 in the sub-controller 2, that is, an alarm value. If the remaining power of the battery pack 4 is lower than the alarm value, the driver needs to be reminded to charge the battery pack 4 in time or replace the battery pack 4 with electricity.
  • the alarm information issued by the power monitoring device includes but is not limited to highlighting or flashing of part of the display content, whistle or voice prompts, etc.
  • the sub-controller 2 is provided with a power alarm device.
  • the power alarm device is electrically connected to the sub-controller 2.
  • An alarm value for the remaining power of the battery pack 4 is set in the sub-controller 2. When the remaining power of the battery pack 4 is low, When the alarm value is reached, the sub-controller 2 feeds back the alarm signal to the main controller 1 through the wireless network, and the main controller 1 sends the alarm information through the car display terminal.
  • the battery pack 4 is also equipped with a power alarm device.
  • the power alarm device is connected to the sub-controller 2 through the connection harness 3, and the threshold value of the remaining power information of the battery pack 4 is set in the sub-controller 2, that is, the alarm value. If the remaining power of the battery pack 4 is lower than the alarm value, the driver needs to be reminded to charge the battery pack 4 in time or replace the battery pack 4 with electricity.
  • the alarm information issued by the battery alarm device includes but is not limited to highlighting or flashing of part of the display content, whistle or voice prompts, etc.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Small-Scale Networks (AREA)

Abstract

La présente invention concerne un système de batterie monté sur un véhicule, qui est commandé au moyen d'un réseau sans fil. Le système de batterie monté sur un véhicule comprend : un dispositif de commande principal (1), qui est agencé dans un véhicule ; au moins un bloc-batterie (4), qui est agencé dans une carrosserie de véhicule ; et des sous-dispositifs de commande (2), qui sont connectés au bloc-batterie (4), le dispositif de commande principal (1) effectuant une transmission de données et de signal avec les sous-dispositifs de commande (2) au moyen d'un réseau sans fil. Le dispositif de commande principal (1) commande chaque sous-dispositif de commande (2) et le bloc-batterie (4) au moyen du réseau sans fil, et le dispositif de commande principal (1) est connecté à chaque sous-dispositif de commande (2) sans utiliser de faisceau de câbles, permettant ainsi de réduire la quantité d'utilisation de faisceaux de câbles, et donc de réduire également le coût de l'ensemble du système de batterie monté sur un véhicule.
PCT/CN2023/112710 2022-08-13 2023-08-11 Système de batterie monté sur un véhicule commandé au moyen d'un réseau sans fil WO2024037471A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202222127640.1U CN219041415U (zh) 2022-08-13 2022-08-13 一种通过无线网络控制的车载电池系统
CN202222127640.1 2022-08-13

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WO2024037471A1 true WO2024037471A1 (fr) 2024-02-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN219041415U (zh) * 2022-08-13 2023-05-16 吉林省中赢高科技有限公司 一种通过无线网络控制的车载电池系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130149578A1 (en) * 2010-10-14 2013-06-13 Mitsubishi Heavy Industries, Ltd. Battery system
CN105955146A (zh) * 2016-06-27 2016-09-21 中国科学技术大学 一种电动汽车动力电池组远程监控系统
CN207664184U (zh) * 2017-11-24 2018-07-27 安徽特凯新能源科技有限公司 一种具有潜在故障分析诊断功能的电池管理系统
CN108649634A (zh) * 2018-05-17 2018-10-12 内蒙古河山新能源技术推广服务有限公司 移动充电装置电源管理系统及方法
CN108656978A (zh) * 2018-03-15 2018-10-16 湖州仙人掌能源科技有限公司 基于互联网及无线传输的电动车电池管理系统及方法
CN212654234U (zh) * 2020-02-26 2021-03-05 松下电器机电（中国）有限公司 一种用于无人搬运车的电池装置及无人搬运车
CN219041415U (zh) * 2022-08-13 2023-05-16 吉林省中赢高科技有限公司 一种通过无线网络控制的车载电池系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130149578A1 (en) * 2010-10-14 2013-06-13 Mitsubishi Heavy Industries, Ltd. Battery system
CN105955146A (zh) * 2016-06-27 2016-09-21 中国科学技术大学 一种电动汽车动力电池组远程监控系统
CN207664184U (zh) * 2017-11-24 2018-07-27 安徽特凯新能源科技有限公司 一种具有潜在故障分析诊断功能的电池管理系统
CN108656978A (zh) * 2018-03-15 2018-10-16 湖州仙人掌能源科技有限公司 基于互联网及无线传输的电动车电池管理系统及方法
CN108649634A (zh) * 2018-05-17 2018-10-12 内蒙古河山新能源技术推广服务有限公司 移动充电装置电源管理系统及方法
CN212654234U (zh) * 2020-02-26 2021-03-05 松下电器机电（中国）有限公司 一种用于无人搬运车的电池装置及无人搬运车
CN219041415U (zh) * 2022-08-13 2023-05-16 吉林省中赢高科技有限公司 一种通过无线网络控制的车载电池系统

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