Battery cell data processing device

Abstract

The utility model discloses a battery cell data processing device, and relates to the technical field of batteries, and the battery cell data processing device comprises a battery module which comprises a plurality of battery cells; the data acquisition module is deployed on a plurality of battery cells and is used for transmitting parameter data of each battery cell to the data receiving module in a wireless transmission mode; the data receiving module is wirelessly connected with the data acquisition module and is used for transmitting the parameter data transmitted by the data acquisition module to the battery management module; and the battery management module is connected with the data receiving module and is used for performing data analysis on the parameter data to obtain an analysis result. Through the data transmission method and device, the problem that in the process of analyzing the parameter data of the battery cell in the prior art, data transmission is conducted on the data of the battery cell in a wired transmission mode such as a wire harness, and the transmission effect is poor is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery, in particular to a battery cell data processing device. BACKGROUND

[0002] In the related art, battery cell data transmission adopts sampling harness, communication harness, connector and other devices for data transmission. However, the use of a large number of harnesses has the following disadvantages: 1. Higher logistics intervention and maintenance cost of the battery pack; 2. In the structural design, the freedom of the battery pack design is limited; 3. In a harsh environment, the data transmission is limited by the physical state of the connection, affecting the accuracy of the data and the stability of the system; 4. Deploying more harnesses leads to a high risk of battery fire and low safety of the battery.

[0003] In the related art, in the process of analyzing the parameter data of the battery cell, the wired transmission mode such as harness is used for data transmission of the data of the battery cell, and the transmission effect is not good. At present, no effective solution has been proposed. UTILITY MODEL CONTENT

[0004] The main purpose of the present application is to provide a battery cell data processing device to solve the problem of poor transmission effect in the process of analyzing the parameter data of the battery cell in the related art by using the wired transmission mode such as harness for data transmission of the data of the battery cell.

[0005] In order to achieve the above-mentioned purpose, according to one aspect of the present application, a battery cell data processing device is provided. The battery cell data processing device comprises: a battery module comprising a plurality of battery cells; a data acquisition module disposed on the plurality of battery cells, configured to transmit the parameter data of each battery cell to a data receiving module by a wireless transmission mode; a data receiving module wirelessly connected with the data acquisition module, configured to transmit the parameter data transmitted by the data acquisition module to a battery management module; and a battery management module connected with the data receiving module, configured to perform data analysis on the parameter data to obtain an analysis result.

[0006] Further, the data acquisition module further comprises: a sensor disposed on the plurality of battery cells, configured to acquire the parameter data of each battery cell; and a data transmitting end wirelessly connected with the sensor, configured to transmit the parameter data acquired by the sensor to the data receiving module by a wireless transmission mode.

[0007] Further, the wireless transmission mode comprises a Bluetooth communication mode, and the data transmitting end is further configured to convert the parameter data into a Bluetooth signal and transmit the Bluetooth signal to the data receiving module by the Bluetooth communication mode.

[0008] Further, the data receiving module further comprises an antenna for enhancing the signal quality of the Bluetooth signal to obtain a target Bluetooth signal; and a connector connected to the antenna for transmitting the parameter data carried in the target Bluetooth signal to the battery management module.

[0009] Further, the battery management module further comprises a serial peripheral interface for writing the received parameter data into a register; the register for storing the parameter data; and a BMS module for performing data analysis on the parameter data in the register to obtain an analysis result.

[0010] Further, the data receiving module is wiredly connected to the battery management module for transmitting the parameter data to the battery management module based on a controller area network bus communication protocol.

[0011] Further, the battery management module further comprises a serial peripheral interface for writing the received parameter data into a register; the register for storing the parameter data; and a BMS module for performing data analysis on the parameter data in the register to obtain an analysis result.

[0012] Further, the cloud platform is further configured to generate a warning prompt information in a case that the analysis result indicates that the parameter data is abnormal.

[0013] Further, the parameter data comprises at least one of temperature, voltage and air pressure.

[0014] Further, the sensor further comprises a temperature acquisition module for acquiring the temperature of each battery cell in the battery module; a voltage acquisition module for acquiring the voltage of each battery cell in the battery module; and an air pressure acquisition module for acquiring the air pressure in the battery module.

[0015] Through the present application, an electric core data processing device is adopted, which comprises: a battery module comprising a plurality of battery cores; a data acquisition module arranged on the plurality of battery cores, configured to transmit parameter data of each battery core to a data receiving module in a wireless transmission manner; the data receiving module is wirelessly connected with the data acquisition module, configured to transmit the parameter data transmitted by the data acquisition module to a battery management module; the battery management module is connected with the data receiving module, configured to perform data analysis on the parameter data to obtain an analysis result, solving the problem that in the related art, in the process of analyzing the parameter data of the battery core, the data of the electric core is transmitted in a wired transmission manner such as a wiring harness, and the transmission effect is poor. In the present scheme, by deploying the data acquisition module capable of wirelessly transmitting the parameter data of the battery core and the data receiving module capable of receiving the parameter data of the battery core in a wireless communication manner, the purpose of wirelessly transmitting the parameters of the battery core in the process of processing the electric core data is achieved, the situation that the battery safety is low when the data of the battery core is transmitted by the wiring harness in the related art is avoided, and the technical effect of improving the safety of the battery is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application, and the illustrative embodiments of the present application and their description serve the purpose of explaining the present application. The accompanying drawings do not constitute an inappropriate limitation on the present application. In the drawings:

[0017] Figure 1 is a schematic diagram of an electric core data processing device provided according to an embodiment of the present application Figure One ;

[0018] Figure 2 is a schematic diagram of an electric core data processing device provided according to an embodiment of the present application Figure Two ;

[0019] Figure 3 is a schematic diagram of an electric core data processing device provided according to an embodiment of the present application Figure Three ;

[0020] Figure 4 is a schematic diagram of a battery management module provided according to an embodiment of the present application;

[0021] Figure 5 is a schematic diagram of an electric core data processing device provided according to an embodiment of the present application Figure Four ;

[0022] Figure 6 is a schematic diagram of a sensor provided according to an embodiment of the present application;

[0023] Figure 7 is a schematic diagram of an electric core data processing device provided according to an embodiment of the present applicationFigure Five

[0024] Wherein, 10-battery module, 20-data acquisition module, 30-data receiving module, 40-battery management module, 201-sensor, 202-data transmitting end, 301-antenna, 302-connector, 401-serial peripheral interface, 402-register, 403-BMS module, 50-cloud platform, 2011-temperature acquisition module, 2022-voltage acquisition module, 2023-pressure acquisition module. DETAILED DESCRIPTION

[0025] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0026] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0027] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0028] It should be noted that the relevant information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data for display, analyzed data, etc.) involved in the present disclosure are all information and data authorized by the user or authorized by all parties. For example, an interface is provided between the system and the related user or institution. Before obtaining the relevant information, the interface needs to send a request to the aforementioned user or institution, and after receiving the consent information feedback from the aforementioned user or institution, the relevant information is obtained.

[0029] The utility model will be described below in combination with the preferred implementation device, Figure 1 ​This is a schematic diagram of a cell data processing device provided according to an embodiment of this application. Figure One ,like Figure 1 As shown, the battery cell data processing device includes: a battery module 10, a data acquisition module 20, a data receiving module 30, and a battery management module 40.

[0030] Battery module 10 includes multiple battery cells;

[0031] The data acquisition module 20 is deployed on multiple battery cells and is used to transmit the parameter data of each battery cell to the data receiving module 30 wirelessly.

[0032] The data receiving module 30 is wirelessly connected to the data acquisition module 20 and is used to transmit the parameter data transmitted by the data acquisition module 20 to the battery management module 40.

[0033] The battery management module 40 is connected to the data receiving module 30 and is used to perform data analysis on the parameter data to obtain the analysis results.

[0034] Optionally, such as Figure 1 As shown in the embodiments of this application, the battery cell data processing device includes at least: a battery module 10, a data acquisition module 20, a data receiving module 30, and a battery management module 40. The battery module 10 may include multiple battery cells. The data acquisition module 20 can be used to collect parameter data for each battery cell. The parameter data may include key parameters related to battery safe operation, such as the cell pack temperature, battery module temperature, voltage, and internal air pressure. The data acquisition module 20 may be composed of sensors capable of collecting parameter data from the battery cells. The battery module 10, data acquisition module 20, and data receiving module 30 can be deployed within the battery pack to achieve wireless transmission of parameter data within the battery pack. The battery management module 40 can be used to analyze, process, and store the parameter data. The analysis of the parameter data can be used to analyze whether there are any abnormalities, specifically whether the parameters exceed corresponding preset thresholds, such as whether the battery cell temperature exceeds a preset temperature threshold or the voltage exceeds a preset voltage threshold, thereby analyzing and monitoring the battery's operating status.

[0035] The aforementioned data acquisition module 20 and data receiving module 30 are wirelessly connected. The data acquisition module 20 and data receiving module 30 can transmit the parameter data of the battery cell wirelessly, avoiding the high maintenance cost of deploying multiple wire harnesses for wired data transmission in related technologies. Furthermore, the structural design of these technologies restricts the freedom of battery pack design, and data transmission is limited by the physical state of the wired connection, affecting the accuracy of the data, the stability and safety of the battery system.

[0036] In summary, in the present solution, by deploying the data acquisition module capable of wirelessly transmitting the parameter data of the battery cell and the data receiving module capable of receiving the parameter data of the battery cell in a wireless communication manner, the parameter of the battery cell is wirelessly transmitted in the process of processing the cell data, the situation of low battery safety in the related art when the data of the battery cell is transmitted by wire harness is avoided, and the technical effect of improving the safety of the battery is achieved. The problem of poor transmission effect in the related art when the data of the cell is transmitted by wire harness such as wire in the process of analyzing the parameter data of the battery cell is solved.

[0037] Optionally, in the cell data processing apparatus provided in the embodiments of the present application, the data acquisition module 20 further comprises: a sensor 201, deployed on the plurality of battery cells, for acquiring the parameter data of each battery cell; and a data transmitting end 202, wiredly connected with the sensor 201, for wirelessly transmitting the parameter data acquired by the sensor 201 to the data receiving module 30.

[0038] Figure 2 is a schematic diagram of the cell data processing apparatus provided in the embodiments of the present application Figure Two As shown in Figure 2 In an optional embodiment, as shown in Figure 2 A sensor 201 can be deployed on each battery cell in the battery module 10, each sensor 201 can be wiredly connected with a data transmitting end 202, and each data transmitting end 202 can wirelessly transmit the acquired data to the data receiving module 30. The above-mentioned battery module 10, data acquisition module 20, and data receiving module 30 can be deployed in the battery pack to realize the wireless transmission of the parameter data in the battery pack and improve the safety of the battery.

[0039] Optionally, in the cell data processing apparatus provided in the embodiments of the present application, the wireless transmission manner includes a Bluetooth communication manner, and the data transmitting end 202 is further configured to convert the parameter data into a Bluetooth signal and transmit the Bluetooth signal to the data receiving module 30 in the Bluetooth communication manner.

[0040] In an optional embodiment, the data transmitting end 202 can convert the parameter data acquired by the sensor 201 from an analog signal into a digital signal, convert the digital signal into a Bluetooth signal conforming to the Bluetooth communication protocol, and wirelessly transmit the Bluetooth signal to the data receiving module 30 in the Bluetooth communication manner, thereby achieving the purpose of wirelessly transmitting the parameter data of the battery cell.

[0041] For example, the data transmitting end 202 converts the collected parameter data into a plurality of response signals, such as a plurality of temperature collection information and voltage collection signals. Through the data transmission by the Bluetooth technology, the data collection can be performed in real time, and the data collection efficiency is improved by 30%, and the delay and error rate of data processing are significantly reduced. The data transmitting end can be installed on the battery cell and connected with the sensor by a wired mode. The core function is to process the parameter data (such as voltage, temperature, etc.) collected by the sensor, and to realize the data transmission by the Bluetooth communication, to enhance the data collection capacity, and to set the internal Bluetooth communication to more efficiently collect data, to optimize the battery performance monitoring. The reliability and stability of the battery system are improved, and in addition, the wireless transmission can reduce the data transmission interruption caused by the wiring harness in the harsh environment.

[0042] Optionally, in the battery cell data processing apparatus provided by the embodiment of the application, the data receiving module 30 further comprises an antenna 301 for enhancing the signal quality of the Bluetooth signal to obtain a target Bluetooth signal; and a connector 302 connected with the antenna 301, for transmitting the parameter data carried in the target Bluetooth signal to the battery management module 40.

[0043] Figure 3 is a schematic diagram of the battery cell data processing apparatus provided by the embodiment of the application. Figure Three As shown in Figure 3 , the data receiving module 30 can further comprise an antenna 301 and a connector 302. The antenna 301 can be used to enhance the signal quality of the Bluetooth signal. The connector 302 is connected with the antenna 301, and can be used to transmit the parameter data carried in the target Bluetooth signal to the battery management module 40. The signal quality is enhanced by the antenna, and the technical effect of improving the reliability of the wireless transmission of the parameter data of the battery cell is achieved.

[0044] For example, the data receiving module 30 can be composed of a Bluetooth circuit module, an antenna, a connector, a software control part and the like, and is responsible for receiving the data from the transmitting end, and ensuring the integrity and accuracy of the data information. The received data is preliminarily processed at the receiving end, and is transmitted to the battery management module 40 by the wired connection and by using the CAN communication protocol.

[0045] Optionally, in the battery cell data processing apparatus provided by the embodiment of the application, the battery management module 40 further comprises a serial peripheral interface 401 for writing the received parameter data into a register 402; the register 402 for storing the parameter data; and a BMS module 403 for performing data analysis on the parameter data in the register 402 to obtain an analysis result.

[0046] Figure 4 is a schematic diagram of the battery management module provided by the embodiment of the application, as Figure 4As shown, the battery management module 40 also includes a serial peripheral interface 401, a register 402, and a BMS module 403. The serial peripheral interface 401 can be wired to the connector 302 to receive parameter data sent by the connector 302 and write the parameter data into the register 402, thus achieving the purpose of storing the parameter data. The BMS module 403 can be used to analyze the parameter data in the register 402 to analyze whether there are any abnormalities in the parameter data and obtain the analysis results. For example, it can analyze whether the parameter is greater than a preset threshold, thus achieving the technical effect of monitoring the operating status of the battery cell.

[0047] For example, the battery management module can analyze, process, and store the collected parameter data to monitor the battery status in real time and ensure that the battery operates within a safe range.

[0048] Optionally, in the cell data processing device provided in this application embodiment, the data receiving module 30 is wiredly connected to the battery management module 40 and is used to transmit parameter data to the battery management module 40 based on the controller local area network bus communication protocol.

[0049] In an optional embodiment, the data receiving module 30 described above can be wired to the battery management module 40, and can transmit parameter data to the battery management module 40 based on the Controller Area Network Bus Communication Protocol (CAN protocol), thereby achieving the technical effect of improving the reliability of parameter data transmission.

[0050] Optionally, in the battery cell data processing device provided in the embodiments of this application, the battery cell data processing device further includes: a cloud platform 50, which communicates with the battery management module 40 via Ethernet, and is used to receive parameter data and analysis results generated by the battery management module 40.

[0051] Figure 5 This is a schematic diagram of a cell data processing device provided according to an embodiment of this application. Figure Four ,like Figure 5 As shown, the battery cell data processing device also includes a cloud platform 50. The cloud platform 50 can communicate with the battery management module 40 via Ethernet to receive parameter data and analysis results generated by the battery management module 40, so as to achieve centralized management and analysis of the parameter data of the battery cells.

[0052] For example, the cloud platform 50 can communicate with the battery management module 40 through Ethernet to obtain parameter data of all battery cells. On this basis, the cloud platform 50 can centrally manage and analyze the parameter data. When it is monitored that the parameter data of a certain battery cell is lower than a consistency threshold, the cloud platform can timely issue an alarm, effectively ensuring the safety of the battery. The introduction of the cloud platform effectively alleviates the deficiency of the BMS module in computing power, significantly improves the timeliness of the analysis of the health status of the battery cell monomer, and in addition, in the present scheme, a dual system of the cloud platform and the local storage (battery management module 40) can be used to ensure the safety and stability of the data and facilitate efficient data analysis.

[0053] Optionally, in the battery cell data processing apparatus provided in the embodiments of the present application, the cloud platform 50 is further configured to generate a pre-warning prompt information in the case that the analysis result indicates that the parameter data is abnormal.

[0054] The cloud platform 50 described above is further configured to generate a pre-warning prompt information in the case that the analysis result indicates that the parameter data is abnormal. For example, when it is monitored that the parameter data of a certain battery cell is lower than a consistency threshold, the cloud platform can timely generate a pre-warning prompt information and issue an alarm to ensure the safety of the battery and optimize the service life of the battery.

[0055] Optionally, in the battery cell data processing apparatus provided in the embodiments of the present application, the parameter data includes at least one of temperature, voltage and air pressure.

[0056] The parameter data described above can include but is not limited to temperature, voltage and air pressure, for example, the temperature of the battery cell, the temperature of the battery module 10, the voltage of the battery cell in the battery module 10 and the air pressure inside the battery module 10 and other key parameters, so as to accurately analyze whether the battery is safely running according to the parameter data.

[0057] Optionally, in the battery cell data processing apparatus provided in the embodiments of the present application, the sensor 201 further includes a temperature acquisition module 2011 configured to acquire the temperature of each battery cell in the battery module 10, a voltage acquisition module 2022 configured to acquire the voltage of each battery cell in the battery module 10, and an air pressure acquisition module 2023 configured to acquire the air pressure inside the battery module 10.

[0058] Figure 6 is a schematic view of a sensor according to the embodiments of the present application, as Figure 6As shown, the sensor 201 further comprises a temperature acquisition module 2011, a voltage acquisition module 2022, and a gas pressure acquisition module 2023. The temperature acquisition module 2011 can be a temperature sensor, used to collect the temperature of each battery cell in the battery module 10. The voltage acquisition module 2022 can be a voltage sensor, used to collect the voltage of each battery cell in the battery module 10. The gas pressure acquisition module 2023 can be a gas pressure sensor, used to collect the gas pressure in the battery module 10, achieving the technical effect of accurately collecting the parameter data of the battery cell.

[0059] Figure 7 is the schematic diagram of the battery cell data processing device provided by the embodiment of the application Figure Five As shown in the figure, Figure 7 As shown, the battery cell data processing device comprises a battery module 10, a data acquisition module 20, a data receiving module 30, a battery management module 40, and a cloud platform 50. The battery module 10 comprises a plurality of battery cells. The data acquisition module 20 comprises a sensor 201 and a data transmitting end 202. The sensor 201 comprises a temperature acquisition module 2011, a voltage acquisition module 2022, and a gas pressure acquisition module 2023. The data receiving module 30 comprises an antenna 301 and a connector 302. The battery management module 40 comprises a serial peripheral interface 401, a register 402, and a BMS module 403. The data acquisition module 20 and the data receiving module 30 adopt a wireless data transmission mode (for example, a Bluetooth communication mode) to transmit the parameter data generated by the battery module 10, avoiding the low battery safety in the related art when a wire harness is used to transmit the data of the battery cell.

[0060] The electric core data processing device provided by the embodiment of the present application adopts the electric core data processing device, which comprises: a battery module comprising a plurality of battery cores; a data acquisition module arranged on the plurality of battery cores, configured to transmit parameter data of each battery core to a data receiving module in a wireless transmission manner; the data receiving module is wirelessly connected with the data acquisition module, configured to transmit the parameter data transmitted by the data acquisition module to a battery management module; the battery management module is connected with the data receiving module, configured to perform data analysis on the parameter data to obtain an analysis result, solving the problem that in the related art, in the process of analyzing the parameter data of the battery core, the data of the electric core is transmitted in a wired transmission manner such as a wire harness, and the transmission effect is poor. In the present scheme, by arranging the data acquisition module capable of wirelessly transmitting the parameter data of the battery core and the data receiving module capable of receiving the parameter data of the battery core in a wireless communication manner, the purpose of wirelessly transmitting the parameters of the battery core in the process of processing the electric core data is achieved, the situation that the safety of the battery is low when the data of the battery core is transmitted by the wire harness in the related art is avoided, and the technical effect of improving the safety of the battery is achieved.

[0061] The above is only an embodiment of the present application and is not intended to limit the present application. The present application can have various changes and modifications for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of claims of the present application.

Claims

1. An electric cell data processing apparatus, characterized by, The application relates to a battery module (10) comprising a plurality of battery cells; a data acquisition module (20) disposed on the plurality of battery cells, configured to transmit parameter data of each battery cell to a data receiving module (30) through wireless transmission; the data receiving module (30) is wirelessly connected with the data acquisition module (20) and configured to transmit the parameter data transmitted by the data acquisition module (20) to a battery management module (40); and the battery management module (40) is connected with the data receiving module (30) and configured to perform data analysis on the parameter data to obtain an analysis result. The data acquisition module (20) further comprises: a sensor (201) disposed on the plurality of battery cells and configured to acquire parameter data of each battery cell; and a data transmitting end (202) wirelessly connected with the sensor (201) and configured to transmit the parameter data acquired by the sensor (201) to the data receiving module (30) through wireless transmission. The wireless transmission mode comprises a Bluetooth communication mode, and the data transmitting end (202) is further configured to convert the parameter data into a Bluetooth signal and transmit the Bluetooth signal to the data receiving module (30) by using the Bluetooth communication mode. The data receiving module (30) further comprises: an antenna (301) configured to enhance the signal quality of the Bluetooth signal to obtain a target Bluetooth signal; and a connector (302) connected with the antenna (301) and configured to transmit parameter data carried in the target Bluetooth signal to the battery management module (40). The battery management module (40) further comprises: a serial peripheral interface (401) configured to write the received parameter data into a register (402); the register (402) is configured to store the parameter data; and a BMS module (403) configured to perform data analysis on the parameter data in the register (402) to obtain an analysis result.

2. The electric cell data processing apparatus according to claim 1, characterized by The data receiving module (30) is wirelessly connected with the battery management module (40) and configured to transmit the parameter data to the battery management module (40) based on a controller area network bus communication protocol. The battery cell data processing device further comprises: a cloud platform (50) in communication with the battery management module (40) through Ethernet and configured to receive the parameter data and an analysis result generated by the battery management module (40). The cloud platform (50) is further configured to generate a warning prompt information when the analysis result indicates that the parameter data is abnormal.

3. The electric chip data processing apparatus according to claim 2, characterized by, The parameter data comprises at least one of temperature, voltage and air pressure.

4. The electric chip data processing apparatus according to claim 3, characterized by The sensor (201) further comprises: a temperature acquisition module (2011) configured to acquire the temperature of each battery cell in the battery module (10); a voltage acquisition module (2022) configured to acquire the voltage of each battery cell in the battery module (10); and an air pressure acquisition module (2023) configured to acquire the air pressure in the battery module (10). ​ ​ 5. The electric cell data processing apparatus according to claim 4, characterized by ​ ​ ​ ​ 6. The battery data processing device of claim 3, wherein, ​ 7. The electric chip data processing apparatus according to claim 2, characterized by, ​ ​ 8. The battery data processing device of claim 7, wherein, ​ 9. The battery data processing device of claim 3, wherein, ​ 10. The battery data processing device of claim 9, wherein, ​ ​ ​ ​

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