BMS test equipment

Abstract

The BMS test equipment comprises a programmable power supply, a low-voltage programmable power supply, an industrial personal computer, an integrated control board and a test fixture, the integrated control board is electrically connected with a resistance detection module, a level detection module, a current acquisition module and a voltage acquisition module, the low-voltage programmable power supply is electrically connected with the programmable power supply and the industrial personal computer, and the programmable power supply is electrically connected with the industrial personal computer and the test clamp. The integrated control board is electrically connected between the industrial personal computer and the test fixture, the test fixture is used for placing the BMS protection board and is electrically connected with the BMS protection board, the BMS protection board is placed on the test fixture, automatic post-test can be completed through BMS test equipment, manual operation is reduced, the labor cost is reduced, and the test efficiency is improved. And the detection can be completed without repeatedly developing a mold, so that the universality is high.

Description

Technical Field

[0001] The utility model relates to the technical field of battery management systems, and particularly to a BMS test device. Background Art

[0002] As an important part of the electric control equipment, the safety performance of the BMS (Battery Management System) is particularly important. In order to protect the safety performance of the BMS, a BMS protection board is generally designed on the BMS to protect the charging and discharging of the BMS. At present, for the performance detection of different types of BMS protection boards, a dedicated test system is required. However, the existing test systems are single, cannot meet the current requirements, and also occupy a large amount of manpower to develop a dedicated test system. In order to save costs, it is necessary to design a general-purpose test system that can adapt to most of the "BMS boards" on the market to improve the generalization level.

[0003] In view of this, it is necessary to provide a new type of BMS test device to overcome the above defects. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a BMS test device. The BMS protection board is placed on the test fixture, and the test can be automatically completed by the BMS test device, reducing manual operation, lowering the labor cost, and no longer requiring repeated development of molds to complete the detection, with strong versatility.

[0005] To achieve the above purpose, the utility model provides a BMS test device, including: a programmable power supply, a low-voltage programmable power supply, an industrial industrial control computer, an integrated control board, and a test fixture; a resistance detection module, a level detection module, a current acquisition module, and a voltage acquisition module are electrically connected to the integrated control board. The low-voltage programmable power supply is electrically connected to the programmable power supply and the industrial industrial control computer. The programmable power supply is electrically connected to the industrial industrial control computer and the test fixture. The integrated control board is electrically connected between the industrial industrial control computer and the test fixture. The test fixture is used to place the BMS protection board and is electrically connected to the BMS protection board.

[0006] Preferably, a DI / DO module is electrically connected to the integrated control board.

[0007] Preferably, a battery sampling module is also electrically connected to the integrated control board. The battery sampling module is used to collect the battery voltage when the integrated control board is connected to an external battery.

[0008] Preferably, a temperature acquisition module is also electrically connected to the integrated control board. The temperature acquisition module is connected to the BMS protection board.

[0009] Preferably, the BMS test device further includes a cabinet body, and the programmable power supply, the low-voltage programmable power supply, the industrial industrial control computer, and the integrated control board are installed in the cabinet body.

[0010] Preferably, the test fixture is installed at the top of the cabinet body and is located outside the cabinet body.

[0011] Preferably, the BMS test device further includes a display, the display is installed at the top of the cabinet body and is located outside the cabinet body, and the industrial industrial control computer is electrically connected to the display.

[0012] Preferably, the BMS test device further includes a cabinet drawer, the cabinet drawer is installed on the cabinet body, and both the low-voltage programmable power supply and the integrated control board are installed in the cabinet drawer.

[0013] Compared with the prior art, the beneficial effects are as follows: placing the BMS protection board on the test fixture can automatically complete the test through the BMS test device, reducing manual operation, lowering labor costs, meeting the test requirements of various types of BMS protection boards, and no longer requiring repeated mold development to complete the detection, with strong versatility.

[0014] Other features and advantages of the present invention will be described in the following description, and some will be obvious from the description, or can be understood through the implementation of the present invention. The features and advantages of the present invention can be realized and obtained through the elements and combinations specifically pointed out in the appended claims. These and other features of the present invention will become more clearly understood according to the following description and the appended claims, or can be understood through the implementation of the embodiments described in the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0016] Figure 1 It is a three-dimensional view of the BMS test device provided by the present invention.

[0017] Figure 2 It is Figure 1 a partial structural schematic diagram of the BMS test device shown.

[0018] Figure 3 It is Figure 1 a principle block diagram of the BMS test device structure shown.

[0019] Reference numerals: 1, programmable power supply; 2, low-voltage programmable power supply; 3, industrial industrial control computer; 4, test fixture; 5, cabinet; 6, display. Specific embodiments

[0020] In order to make the purpose, technical solutions and beneficial technical effects of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described in this specification are only for explaining the present utility model and not for limiting the present utility model.

[0021] It should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0022] It should also be noted that, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", "setting", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present utility model can be determined according to specific circumstances.

[0023] In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third" may explicitly or implicitly include one or more of such features. In addition, the meanings of "multiple" and "several" refer to two or more, unless otherwise specifically defined.

[0024] Please refer to Figures 1 to 3, the present utility model provides a BMS test device, including: a programmable power supply 1, a low-voltage programmable power supply 2, an industrial industrial control computer 3, an integrated control board, and a test fixture 4; a resistance detection module, a level detection module, a current acquisition module, and a voltage acquisition module are electrically connected to the integrated control board, the low-voltage programmable power supply 2 is electrically connected to the programmable power supply 1 and the industrial industrial control computer 3, the programmable power supply 1 is electrically connected to the industrial industrial control computer 3 and the test fixture 4, the integrated control board is electrically connected between the industrial industrial control computer 3 and the test fixture 4, and the test fixture 4 is used to place the BMS protection board and is electrically connected to the BMS protection board.

[0025] In this way, during detection, the test fixture 4 is electrically connected to the BMS protection board, and the thimble of the test fixture 4 collects the test points of the BMS protection board. The resistance detection module on the integrated control board measures the impedance information of the BMS protection board, and uploads the measured impedance information, level information, current information, and voltage information to the industrial industrial control computer 3, and the industrial industrial control computer 3 displays the measured impedance information, level information, current information, and voltage information.

[0026] In a preferred embodiment, a DI / DO module is electrically connected to the integrated control board. The industrial industrial control computer 3 sends a DI signal to the integrated control board to disconnect or close the control function end (CNT) port of the integrated control board, and judges whether the digital input signal of the BMS protection board is normal by reading the high and low levels to the BMS protection board;

[0027] The industrial industrial control computer 3 sends a DO signal to the integrated control board to disconnect or close the control function end (CNT) port of the DI / DO module, and judges whether the digital output signal of the BMS protection board is normal by reading the voltage value to the BMS protection board.

[0028] In a preferred embodiment, a battery sampling module is also electrically connected to the integrated control board. The battery sampling module is used to collect the battery voltage when the integrated control board is connected to an external battery, and transmits the collected battery voltage information to the industrial industrial control computer 3 for comparison with the voltage value collected by the voltage acquisition module on the BMS protection board.

[0029] In a preferred embodiment, a temperature acquisition module is also electrically connected to the integrated control board. The temperature acquisition module is used to connect to the BMS protection board to detect the temperature information of the BMS protection board, and the temperature acquisition module uploads the temperature information to the industrial industrial control computer 3 for display.

[0030] In a preferred embodiment, the BMS test device further includes a cabinet 5, and the programmable load, programmable power supply 1, low-voltage programmable power supply 2, industrial industrial control computer 3 and integrated control board are installed in the cabinet 5 for centralized installation, reducing the occupied space, and can also protect the above components (programmable load, programmable power supply 1, low-voltage programmable power supply 2, industrial industrial control computer 3 and integrated control board).

[0031] In a preferred embodiment, the test fixture 4 is installed at the top of the cabinet 5 and is located outside the cabinet 5 so as to place the BMS protection board on the test fixture 4.

[0032] In a preferred embodiment, the BMS test device further includes a display 6, the display 6 is installed at the top of the cabinet 5 and is located outside the cabinet 5, and the display 6 and the test fixture 4 are spaced apart, and the industrial industrial control computer 3 is electrically connected to the display 6.

[0033] In a preferred embodiment, the BMS test device further includes a cabinet drawer, and the low-voltage programmable power supply 1 and the integrated control board are both installed in the cabinet drawer.

[0034] During detection, the test fixture 4 is electrically connected to the BMS protection board, and the thimble of the test fixture 4 collects the test points of the BMS protection board. The resistance detection module on the integrated control board measures the impedance information of the BMS protection board, and uploads the measured impedance information, level information, current information and voltage information to the industrial industrial control computer 3. The industrial industrial control computer 3 displays the measured impedance information, level information, current information and voltage information. The industrial industrial control computer 3 sends a DI signal to the integrated control board to disconnect or close the control function terminal (CNT) port of the integrated control board, and judges whether the digital input signal of the BMS protection board is normal by reading the high and low levels of the BMS protection board;

[0035] The industrial industrial control computer 3 sends a DO signal to the integrated control board to disconnect or close the control function terminal (CNT) port of the DI / DO module, and judges whether the digital output signal of the BMS protection board is normal by reading the voltage value of the BMS protection board;

[0036] The battery sampling module collects the battery voltage when the integrated control board is connected to an external battery, and transmits the collected battery voltage information to the industrial industrial control computer 3 for comparison with the voltage value collected by the voltage sampling module on the BMS protection board. The temperature sampling module detects the temperature information of the BMS protection board, and the temperature sampling module uploads the temperature information to the industrial industrial control computer 3 for display.

[0037] The present utility model is not limited solely to what is described in the specification and embodiments. Therefore, additional advantages and modifications can be readily achieved by those skilled in the art. Thus, without departing from the spirit and scope of the general concept defined by the claims and their equivalents, the present utility model is not limited to the specific details, exemplary devices, and illustrated examples shown and described herein.

Claims

1. A BMS testing device, characterized in that: include: A programmable power supply (1), a low-voltage programmable power supply (2), an industrial computer (3), an integrated control board and a test fixture (4); the integrated control board is electrically connected to a resistance detection module, a level detection module, a current acquisition module and a voltage acquisition module; the low-voltage programmable power supply (2) is electrically connected to the programmable power supply (1) and the industrial computer (3); the programmable power supply (1) is electrically connected to the industrial computer (3) and the test fixture (4); the integrated control board is electrically connected between the industrial computer (3) and the test fixture (4); the test fixture (4) is used to place a BMS protection board and is electrically connected to the BMS protection board.

2. The BMS testing device according to claim 1, characterized in that: The integrated control board is electrically connected with a DI / DO module.

3. The BMS testing device according to claim 1, characterized in that: The integrated control board is also electrically connected to a battery sampling module, and the battery sampling module is used to collect the battery voltage when the integrated control board is connected to an external battery.

4. The BMS testing device according to claim 1, characterized in that: The integrated control board is also electrically connected to a temperature acquisition module, and the temperature acquisition module is connected to the BMS protection board.

5. The BMS testing device according to claim 1, characterized in that: The BMS testing equipment further comprises a cabinet (5), wherein the programmable power supply (1), the low-voltage programmable power supply (2), the industrial computer (3) and the integrated control panel are installed in the cabinet (5).

6. The BMS testing device according to claim 5, characterized in that: The test fixture (4) is installed on the top of the cabinet (5) and is located outside the cabinet (5).

7. The BMS testing device according to claim 5, characterized in that: The BMS testing device further comprises a display (6), wherein the display (6) is mounted on the top of the cabinet (5) and is located outside the cabinet (5), and the industrial computer (3) is electrically connected to the display (6).

8. The BMS testing device according to claim 5, characterized in that: The BMS testing equipment further comprises a cabinet drawer, wherein the cabinet drawer is mounted on the cabinet body (5), and the low-voltage programmable power supply (2) and the integrated control panel are both housed in the cabinet drawer.

Images