Battery data acquisition and uploading device of new energy automobile

By conducting multi-dimensional testing and data integration analysis on new energy vehicle battery packs, the problem of incomplete battery testing in existing technologies has been solved, and the safety monitoring effect of battery pack operation has been improved.

CN223327363UActive Publication Date: 2025-09-12BEIHANG UNIV
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Patent Information

Application Number
CN202422989747.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-09-12
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

Existing new energy vehicle battery testing methods fail to conduct comprehensive testing, resulting in insufficient effectiveness and reliability in battery operation safety monitoring.

Method used

Battery pack charging detection equipment, discharge detection equipment, temperature detection equipment, heat dissipation detection equipment, motion detection equipment and data acquisition equipment are used to perform multi-dimensional detection of the electrical characteristics, temperature and motion data of the battery pack under different working modes, and the data is wirelessly uploaded to the server platform for integrated analysis.

Benefits of technology

It realizes multi-dimensional and all-round detection of new energy vehicle battery packs, and improves the effectiveness and reliability of battery pack operation safety monitoring.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a battery data acquisition and uploading device of a new energy automobile. The battery data acquisition and uploading device comprises a battery pack charging detection device, a battery pack discharging detection device, a temperature detection device, a battery heat dissipation detection device, a battery action detection device, a data acquisition device and a vehicle-mounted communication device, electrical characteristic data of a battery pack of a new energy automobile in charging and discharging processes are comprehensively and continuously detected, refined working temperature data detection is performed on different surface areas of the battery pack, and working state data of a cooling fan and action data of the battery pack are detected. In addition, data obtained through detection are collected in a unified mode and uploaded to a server platform in a wireless mode, so that integrated analysis is carried out on different types of data, multi-dimensional all-dimensional detection of the battery pack in different working modes is achieved, and therefore effectiveness and reliability of operation safety monitoring of the battery pack of the new energy automobile are improved.
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Description

Technical Field

[0001] The utility model relates to the field of new energy vehicles, and in particular to a battery data collection and uploading device for new energy vehicles. Background Art

[0002] The power source of new energy vehicles is a high-power battery pack, which is composed of multiple battery cells. Each battery cell generates a large amount of heat during the charging and discharging process. When the heat accumulation in the battery cells is too great, it will cause the battery cells to overheat and fail to work properly, and even cause safety incidents such as spontaneous combustion. In order to ensure the normal and stable operation of new energy batteries, all battery cells in the battery pack need to be accurately tested and analyzed in real time to facilitate the timely detection of potential safety hazards in the battery pack. Existing battery testing methods for new energy vehicles only test a single parameter of the battery, and do not conduct comprehensive testing of the battery from multiple dimensions during the battery's operation, reducing the effectiveness and reliability of battery operation safety monitoring for new energy vehicles. Utility Model Content

[0003] The purpose of the present utility model is to provide a battery data collection and uploading device for new energy vehicles, including a battery pack charging detection device, a battery pack discharge detection device, a temperature detection device, a battery heat dissipation detection device, a battery action detection device, a data collection device, and an on-board communication device; the device performs comprehensive and continuous detection of the electrical characteristic data of the battery pack of the new energy vehicle during the charging and discharging process, performs refined operating temperature data detection on different surface areas of the battery pack, detects the working status data of the cooling fan and the action data of the battery pack, and uniformly collects and wirelessly uploads the detected data to a server platform, thereby performing integrated analysis of different types of data and realizing multi-dimensional and all-round detection of the battery pack under different working modes, thereby improving the effectiveness and reliability of the safety monitoring of the battery pack operation of the new energy vehicle.

[0004] The utility model is realized through the following technical solutions:

[0005] A visual recognition personnel action monitoring device, comprising:

[0006] A battery pack charging detection device, connected to the battery pack of the new energy vehicle, for detecting first electrical characteristic data of the battery pack during charging;

[0007] a battery pack discharge detection device, connected to the battery pack, and configured to detect second electrical characteristic data of the battery pack during discharge;

[0008] a temperature detection device, disposed at different surface areas of the battery pack, for detecting operating temperature data of the battery pack during the charging process or the discharging process;

[0009] A battery heat dissipation detection device, provided on a heat dissipation fan corresponding to the battery pack, for detecting working status data of the heat dissipation fan;

[0010] A battery action detection device, used to perform dynamic detection on the battery pack to obtain action data of the battery pack;

[0011] a data acquisition device connected to the battery pack charging detection device, the battery pack discharging detection device, the temperature detection device, the battery heat dissipation detection device, and the battery movement detection device, and configured to acquire and store the first electrical characteristic data, the second electrical characteristic data, the operating temperature data, the operating status data, and the action data;

[0012] The vehicle-mounted communication device is connected to the data acquisition device and is used to wirelessly upload the first electrical characteristic data, the second electrical characteristic data, the operating temperature data, the operating status data and the action data to a server platform.

[0013] Optionally, the battery pack charging detection device includes a plurality of first power sensors and a plurality of first voltage sensors;

[0014] Each battery cell included in the battery pack of the new energy vehicle is connected to a first power sensor and a first voltage sensor;

[0015] The first power sensor is used to detect first power data of the battery cell during the charging process;

[0016] The first voltage sensor is used to detect first voltage data of the battery cell during charging.

[0017] Optionally, the battery pack charging detection device further includes a plurality of charging current sensors and a charging detection control single chip microcomputer;

[0018] The charging current sensor is provided on the charging interface of each battery cell; the charging current sensor is used to detect the charging current data of the battery cell;

[0019] The charging detection control single chip is connected to the charging current sensor, the first power sensor and the first voltage sensor respectively, and is used to control the operation of the first power sensor and the first voltage sensor according to the charging current data.

[0020] Optionally, the battery pack discharge detection device includes a plurality of second power sensors and a plurality of second voltage sensors;

[0021] Each battery cell included in the battery pack of the new energy vehicle is connected to a second power sensor and a second voltage sensor;

[0022] The second power sensor is used to detect second power data of the battery cell during the discharge process;

[0023] The second voltage sensor is used to detect second voltage data of the battery cell during a discharge process.

[0024] Optionally, the battery pack discharge detection device further includes a plurality of discharge current sensors and a discharge detection control single chip microcomputer;

[0025] The discharge current sensor is provided on the discharge interface of each battery cell; the discharge current sensor is used to detect the discharge current data of the battery cell;

[0026] The discharge detection control single chip computer is connected to the discharge current sensor, the second electrical quantity sensor and the second voltage sensor respectively, and is used to control the operation of the two electrical quantity sensors and the second voltage sensor according to the discharge current data.

[0027] Optionally, the temperature detection device includes several patch temperature sensors;

[0028] At least two side surfaces of each battery cell included in the battery pack of the new energy vehicle are provided with a patch temperature sensor; the patch temperature sensor is used to detect the operating temperature data of the corresponding side surface of the battery cell;

[0029] The surface area of ​​the patch temperature sensor is not less than 2cm 2 .

[0030] Optionally, the battery heat dissipation detection device includes a wind speed sensor;

[0031] The wind speed sensor is arranged in the airflow output direction of the cooling fan, and is used to detect the airflow output speed data of the cooling fan;

[0032] The vertical distance between the wind speed sensor and the airflow output surface of the heat dissipation fan does not exceed 4 cm.

[0033] Optionally, the battery action detection device includes a gyroscope and a displacement sensor;

[0034] The gyroscope is provided on the battery pack and is used to detect the rotation angle data of the battery pack relative to the battery pack mounting bracket;

[0035] The displacement sensor is arranged on the battery pack mounting bracket and is used to detect displacement data of the battery pack relative to the battery pack mounting bracket.

[0036] Optionally, the data acquisition device includes a plurality of flash memories and a plurality of data transmission lines;

[0037] One end of each data transmission line is connected to the flash memory, and the other end is connected to the battery pack charging detection device, the battery pack discharging detection device, the temperature detection device, the battery heat dissipation detection device and the battery movement detection device;

[0038] The storage capacity of the flash memory is not less than 2G.

[0039] Optionally, the vehicle-mounted communication device includes a GPRS antenna and several data transmission serial interfaces;

[0040] Each data transmission serial interface is connected to the flash memory via a signal line;

[0041] The GPRS antenna is connected to the data transmission serial interface and is used to wirelessly upload the first electrical characteristic data, the second electrical characteristic data, the operating temperature data, the operating status data or the action data in the flash memory to a server platform.

[0042] Compared with the prior art, the present invention has the following beneficial effects:

[0043] The present application provides a battery data collection and uploading device for a new energy vehicle, including a battery pack charging detection device, a battery pack discharge detection device, a temperature detection device, a battery heat dissipation detection device, a battery action detection device, a data collection device, and an on-board communication device; the device performs comprehensive and continuous detection of the electrical characteristic data of the battery pack of the new energy vehicle during the charging and discharging process, performs refined operating temperature data detection on different surface areas of the battery pack, detects the working status data of the cooling fan and the action data of the battery pack, and uniformly collects and wirelessly uploads the detected data to a server platform, thereby performing integrated analysis of different types of data and realizing multi-dimensional and all-round detection of the battery pack under different working modes, thereby improving the effectiveness and reliability of the safety monitoring of the battery pack operation of new energy vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0045] Figure 1 This is a structural diagram of a battery data collection and uploading device for a new energy vehicle provided by the utility model.

[0046] Figure 2 This is a structural block diagram of a battery pack charging detection device in a battery data acquisition and upload device for a new energy vehicle provided by the utility model.

[0047] Figure 3 This is a structural block diagram of a battery pack discharge detection device in a battery data acquisition and upload device for a new energy vehicle provided by the utility model. DETAILED DESCRIPTION

[0048] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. It will be understood that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some, rather than all, structures related to the present application are shown in the accompanying drawings. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0049] As used herein, the terms "comprise," "comprising," and "having," and any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, product, or apparatus comprising a series of steps or elements is not limited to the listed steps or elements but may optionally include steps or elements not listed, or may optionally include other steps or elements inherent to the process, method, product, or apparatus.

[0050] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0051] See also Figures 1 to 3 As shown, an embodiment of the present application provides a battery data collection and upload device for a new energy vehicle. The battery data collection and upload device for a new energy vehicle includes:

[0052] A battery pack charging detection device is connected to the battery pack of the new energy vehicle and is used to detect first electrical characteristic data of the battery pack during the charging process; by connecting the battery pack to the battery pack charging detection device, the power level and voltage of the battery pack during the charging process are continuously detected;

[0053] A battery pack discharge detection device is connected to the battery pack and is used to detect second electrical characteristic data of the battery pack during the discharge process; by connecting the battery pack to the battery pack discharge detection device, the power and voltage of the battery pack during the discharge process are continuously detected;

[0054] Temperature detection devices are provided at different surface areas of the battery pack to detect the operating temperature data of the battery pack during the charging process or the discharging process. By providing temperature detection devices at different surface areas of the battery pack, the operating temperature of all battery cells in the battery pack can be detected in a differentiated manner, providing a reliable basis for determining whether the battery cells are in an overheating state.

[0055] A battery heat dissipation detection device is provided on the cooling fan corresponding to the battery pack and is used to detect the working status data of the cooling fan. By detecting the working status of the cooling fan by the battery heat dissipation detection device, it is possible to accurately determine whether the cooling fan is stably cooling the battery pack;

[0056] The battery action detection device is used to perform dynamic detection on the battery pack to obtain the action data of the battery pack. By performing dynamic detection on the battery pack by the battery action detection device, it is possible to accurately determine whether the battery pack has problems such as displacement or loosening;

[0057] a data acquisition device connected to the battery pack charging detection device, the battery pack discharging detection device, the temperature detection device, the battery heat dissipation detection device, and the battery movement detection device, and configured to collect and store the first electrical characteristic data, the second electrical characteristic data, the operating temperature data, the operating status data, and the motion data; and to centrally collect and statistically analyze the data generated by all detection devices through the data acquisition device to ensure comprehensive data collection;

[0058] The vehicle-mounted communication device is connected to the data acquisition device and is used to wirelessly upload the first electrical characteristic data, the second electrical characteristic data, the operating temperature data, the operating status data and the action data to a server platform.

[0059] The beneficial effects of the above embodiments are that the battery data collection and uploading device of the new energy vehicle includes a battery pack charging detection device, a battery pack discharge detection device, a temperature detection device, a battery heat dissipation detection device, a battery action detection device, a data collection device, and an on-board communication device; the electrical characteristic data of the battery pack of the new energy vehicle during the charging and discharging process are comprehensively and continuously detected, the working temperature data of different surface areas of the battery pack are refined, the working status data of the cooling fan and the action data of the battery pack are detected, and the detected data are uniformly collected and wirelessly uploaded to the server platform, so as to integrate and analyze different types of data, realize multi-dimensional and all-round detection of the battery pack under different working modes, thereby improving the effectiveness and reliability of the safety monitoring of the battery pack operation of the new energy vehicle.

[0060] In another embodiment, the battery pack charging detection device includes a plurality of first power sensors and a plurality of first voltage sensors;

[0061] Each battery cell included in the battery pack of the new energy vehicle is connected to a first power sensor and a first voltage sensor;

[0062] The first power sensor is used to detect first power data of the battery cell during the charging process;

[0063] The first voltage sensor is used to detect first voltage data of the battery cell during the charging process.

[0064] The beneficial effect of the above embodiment is that a first power sensor and a first voltage sensor are connected to each battery cell included in the battery pack through the battery pack charging detection device, so that the power change and voltage change of each battery cell during the charging process can be continuously and dynamically detected.

[0065] In another embodiment, the battery pack charging detection device further includes a plurality of charging current sensors and a charging detection control microcontroller;

[0066] The charging current sensor is provided on the charging interface of each battery cell; the charging current sensor is used to detect the charging current data of the battery cell;

[0067] The charging detection control single chip is connected to the charging current sensor, the first power sensor and the first voltage sensor respectively, and is used to control the operation of the first power sensor and the first voltage sensor according to the charging current data.

[0068] The beneficial effects of the above embodiments are that the charging current sensor is provided on the charging interface of each battery cell through the battery pack charging detection device to detect the charging current data of the battery cell; the charging detection control microcontroller is also used to connect with the charging current sensor, the first power sensor and the first voltage sensor respectively, and is used to control the operation of the first power sensor and the first voltage sensor according to the charging current data. In this way, when the charging current data indicates that the average charging current of the battery cell exceeds the preset current threshold, the first power sensor and the first voltage sensor can be controlled to start working, thereby improving the detection sensitivity of the battery pack charging detection device.

[0069] In another embodiment, the battery pack discharge detection device includes a plurality of second power sensors and a plurality of second voltage sensors;

[0070] Each battery cell included in the battery pack of the new energy vehicle is connected to a second power sensor and a second voltage sensor;

[0071] The second power sensor is used to detect the second power data of the battery cell during the discharge process;

[0072] The second voltage sensor is used to detect second voltage data of the battery cell during the discharge process.

[0073] The beneficial effect of the above embodiment is that a second power sensor and a second voltage sensor are connected to each battery cell included in the battery pack through the battery pack discharge detection device, so that the power change and voltage change of each battery cell during the discharge process can be continuously and dynamically detected.

[0074] In another embodiment, the battery pack discharge detection device further includes a plurality of discharge current sensors and a discharge detection control microcontroller;

[0075] The discharge current sensor is provided on the discharge interface of each battery cell; the discharge current sensor is used to detect the discharge current data of the battery cell;

[0076] The discharge detection control single chip is connected to the discharge current sensor, the second electrical quantity sensor and the second voltage sensor respectively, and is used to control the operation of the two electrical quantity sensors and the second voltage sensor according to the discharge current data.

[0077] The beneficial effects of the above embodiments are that the discharge current sensor is provided on the discharge interface of each battery cell through the battery pack discharge detection device to detect the discharge current data of the battery cell; the discharge detection control microcontroller is also used to be connected to the discharge current sensor, the second power sensor and the second voltage sensor respectively, and is used to control the operation of the second power sensor and the second voltage sensor according to the discharge current data. In this way, when the discharge current data indicates that the average discharge current of the battery cell exceeds the preset current threshold, the second power sensor and the second voltage sensor can be controlled to start working, thereby improving the detection sensitivity of the battery pack discharge detection device.

[0078] In another embodiment, the temperature detection device includes a plurality of patch temperature sensors;

[0079] At least two side surfaces of each battery cell included in the battery pack of the new energy vehicle are provided with a patch temperature sensor; the patch temperature sensor is used to detect the operating temperature data of the corresponding side surface of the battery cell;

[0080] The surface area of ​​the patch temperature sensor is not less than 2cm 2 .

[0081] The beneficial effect of the above embodiment is that a patch temperature sensor is provided on at least two side surfaces of each battery cell, and the surface area of ​​the patch temperature sensor is not less than 2cm 2 This can accurately and comprehensively detect the heating temperature of the side surface of the battery cell during operation, thereby improving the detection reliability of the working temperature data.

[0082] In another embodiment, the battery heat dissipation detection device includes a wind speed sensor;

[0083] The wind speed sensor is arranged in the airflow output direction of the cooling fan, and is used to detect the airflow output speed data of the cooling fan;

[0084] The vertical distance between the wind speed sensor and the airflow output surface of the heat dissipation fan does not exceed 4 cm.

[0085] The beneficial effect of the above embodiment is that a wind speed sensor is set in the airflow output direction of the cooling fan to detect the airflow output speed data of the cooling fan, and the vertical distance between the wind speed sensor and the airflow output surface of the cooling fan does not exceed 4 cm. In this way, the cooling airflow output speed of the cooling fan during the cooling process can be accurately detected, providing a reliable basis for subsequently judging whether the cooling fan is normally cooling the battery pack.

[0086] In another embodiment, the battery action detection device includes a gyroscope and a displacement sensor;

[0087] The gyroscope is arranged on the battery pack and is used to detect the rotation angle data of the battery pack relative to the battery pack mounting bracket;

[0088] The displacement sensor is arranged on the battery pack mounting bracket and is used to detect displacement data of the battery pack relative to the battery pack mounting bracket.

[0089] The beneficial effects of the above embodiments are that a gyroscope is set on the battery pack to detect the rotation angle data of the battery pack relative to the battery pack mounting bracket, and a displacement sensor is set on the battery pack mounting bracket to detect the displacement data of the battery pack relative to the battery pack mounting bracket, so as to timely and accurately identify the situation where the battery pack is flipped, shifted or detached.

[0090] In another embodiment, the data acquisition device includes a plurality of flash memories and a plurality of data transmission lines;

[0091] One end of each data transmission line is connected to the flash memory, and the other end is connected to the battery pack charging detection device, the battery pack discharging detection device, the temperature detection device, the battery heat dissipation detection device and the battery movement detection device;

[0092] The storage capacity of the flash memory is not less than 2G.

[0093] The beneficial effect of the above embodiment is that the data acquisition device includes several flash memories and several data transmission lines, so that the data generated by the battery pack charging detection device, the battery pack discharge detection device, the temperature detection device, the battery heat dissipation detection device and the battery movement detection device can be collected in a targeted manner to avoid the problem of data collection omissions.

[0094] In another embodiment, the vehicle-mounted communication device includes a GPRS antenna and a plurality of serial interfaces for data transmission;

[0095] Each data transmission serial interface is connected to the flash memory via a signal line;

[0096] The GPRS antenna is connected to the data transmission serial interface and is used for wirelessly uploading the first electrical characteristic data, the second electrical characteristic data, the operating temperature data, the operating status data or the action data in the flash memory to a server platform.

[0097] The beneficial effects of the above embodiments are that the vehicle-mounted communication equipment includes a GPRS antenna and several data transmission serial interfaces, and the GPRS antenna is connected to the data transmission serial interface, and is used to wirelessly upload the first electrical characteristic data, the second electrical characteristic data, the operating temperature data, the operating status data or the action data in the flash memory to the server platform, which can improve the effectiveness and reliability of the battery pack operation safety monitoring of new energy vehicles.

[0098] Generally speaking, the battery data collection and uploading device of the new energy vehicle includes battery pack charging detection equipment, battery pack discharge detection equipment, temperature detection equipment, battery heat dissipation detection equipment, battery action detection equipment, data collection equipment, and vehicle-mounted communication equipment; it conducts comprehensive and continuous detection of the electrical characteristic data of the battery pack of the new energy vehicle during the charging and discharging process, performs refined working temperature data detection on different surface areas of the battery pack, detects the working status data of the cooling fan and the action data of the battery pack, and uniformly collects and wirelessly uploads the detected data to the server platform, so as to integrate and analyze different types of data and realize multi-dimensional and all-round detection of the battery pack under different working modes, thereby improving the effectiveness and reliability of the safety monitoring of the battery pack operation of new energy vehicles.

[0099] The above is only a specific embodiment of the present invention, and any improvements made based on the concept of the present invention are considered to be within the scope of protection of the present invention.

Claims

1. A battery data collection and upload device for new energy vehicles, characterized in that: include: A battery pack charging detection device, connected to the battery pack of the new energy vehicle, for detecting first electrical characteristic data of the battery pack during charging; a battery pack discharge detection device, connected to the battery pack, and configured to detect second electrical characteristic data of the battery pack during discharge; a temperature detection device, disposed at different surface areas of the battery pack, for detecting operating temperature data of the battery pack during the charging process or the discharging process; A battery heat dissipation detection device, provided on a heat dissipation fan corresponding to the battery pack, for detecting working status data of the heat dissipation fan; A battery action detection device, used to perform dynamic detection on the battery pack to obtain action data of the battery pack; a data acquisition device connected to the battery pack charging detection device, the battery pack discharging detection device, the temperature detection device, the battery heat dissipation detection device, and the battery movement detection device, and configured to acquire and store the first electrical characteristic data, the second electrical characteristic data, the operating temperature data, the operating status data, and the action data; The vehicle-mounted communication device is connected to the data acquisition device and is used to wirelessly upload the first electrical characteristic data, the second electrical characteristic data, the operating temperature data, the operating status data and the action data to a server platform.

2. The battery data collection and upload device for new energy vehicles according to claim 1, characterized in that: The battery pack charging detection device includes a plurality of first power sensors and a plurality of first voltage sensors; Each battery cell included in the battery pack of the new energy vehicle is connected to a first power sensor and a first voltage sensor; The first power sensor is used to detect first power data of the battery cell during the charging process; The first voltage sensor is used to detect first voltage data of the battery cell during charging.

3. The battery data collection and upload device for new energy vehicles according to claim 2, characterized in that: The battery pack charging detection device also includes a number of charging current sensors and a charging detection control single chip microcomputer; The charging interface of each battery cell is provided with the charging current sensor; the charging current sensor is used to detect the charging current data of the battery cell; The charging detection control single chip is connected to the charging current sensor, the first power sensor and the first voltage sensor respectively, and is used to control the operation of the first power sensor and the first voltage sensor according to the charging current data.

4. The battery data collection and upload device for new energy vehicles according to claim 1, characterized in that: The battery pack discharge detection device includes a plurality of second power sensors and a plurality of second voltage sensors; Each battery cell included in the battery pack of the new energy vehicle is connected to a second power sensor and a second voltage sensor; The second power sensor is used to detect second power data of the battery cell during the discharge process; The second voltage sensor is used to detect second voltage data of the battery cell during a discharge process.

5. The battery data collection and upload device for new energy vehicles according to claim 4, characterized in that: The battery pack discharge detection device also includes a number of discharge current sensors and a discharge detection control single chip microcomputer; The discharge current sensor is provided on the discharge interface of each battery cell; the discharge current sensor is used to detect the discharge current data of the battery cell; The discharge detection control single chip computer is connected to the discharge current sensor, the second electrical quantity sensor and the second voltage sensor respectively, and is used to control the operation of the two electrical quantity sensors and the second voltage sensor according to the discharge current data.

6. The battery data collection and upload device for new energy vehicles according to claim 1, characterized in that: The temperature detection device includes several patch temperature sensors; At least two side surfaces of each battery cell included in the battery pack of the new energy vehicle are provided with a patch temperature sensor; the patch temperature sensor is used to detect the operating temperature data of the corresponding side surface of the battery cell; The surface area of ​​the patch temperature sensor is not less than 2cm 2 .

7. The battery data collection and upload device for new energy vehicles according to claim 1, characterized in that: The battery heat dissipation detection device includes a wind speed sensor; The wind speed sensor is arranged in the airflow output direction of the cooling fan, and is used to detect the airflow output speed data of the cooling fan; The vertical distance between the wind speed sensor and the airflow output surface of the heat dissipation fan does not exceed 4 cm.

8. The battery data collection and uploading device for new energy vehicles according to claim 1, characterized in that: The battery action detection device includes a gyroscope and a displacement sensor; The gyroscope is provided on the battery pack and is used to detect the rotation angle data of the battery pack relative to the battery pack mounting bracket; The displacement sensor is arranged on the battery pack mounting bracket and is used to detect displacement data of the battery pack relative to the battery pack mounting bracket.

9. The battery data collection and upload device for new energy vehicles according to claim 1, characterized in that: The data acquisition device includes a plurality of flash memories and a plurality of data transmission lines; One end of each data transmission line is connected to the flash memory, and the other end is connected to the battery pack charging detection device, the battery pack discharging detection device, the temperature detection device, the battery heat dissipation detection device and the battery movement detection device; The storage capacity of the flash memory is not less than 2G.

10. The battery data collection and upload device for new energy vehicles according to claim 9, characterized in that: The vehicle-mounted communication equipment includes a GPRS antenna and several data transmission serial interfaces; Each data transmission serial interface is connected to the flash memory via a signal line; The GPRS antenna is connected to the data transmission serial interface and is used to wirelessly upload the first electrical characteristic data, the second electrical characteristic data, the operating temperature data, the operating status data or the action data in the flash memory to a server platform.