Mobile test jig for power battery management system

Abstract

The utility model discloses a mobile test frame for a power battery management system, which belongs to the technical field of BMS (battery management system) control systems and comprises a device body, a control screen is arranged at the upper end of one side of the device body, operation buttons are arranged on one side of the device body, and a side door is hinged to the lower end of one side of the device body. A mounting plate is arranged at the lower end of the interior of the device body, a plurality of battery modules are fixedly connected to one side of the mounting plate in an array mode, each battery module comprises a mounting plate body, and a storage battery is fixedly connected to the lower end of one side of each mounting plate body. According to the device, temperature, current and voltage detection can be carried out on each single battery, so that the batteries can be ensured to be within a preset working range, meanwhile, current output can be adjusted according to the voltage of each battery, control over the batteries is effectively improved, and meanwhile the use efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of BMS control systems, in particular to a mobile test stand for a power battery management system. Background Art

[0002] The BMS control system, or Battery Management System, is a vital component for cars or other devices that use batteries as energy. The main function of the BMS is to monitor and manage the battery's charging and discharging process to ensure that the battery operates within a safe and effective range.

[0003] However, current BMS control systems use several sensors to sense the overall current, voltage and temperature to adjust the overall voltage, etc., which can achieve better current transmission. However, in existing battery groups, they are generally composed of multiple batteries, but each battery is not individually detected, so some batteries will have certain problems when in use but cannot be discovered in the first time.

[0004] Therefore, a mobile test stand for a power battery management system is needed to improve the above problems. Summary of the invention

[0005] The purpose of the utility model is to provide a mobile test stand for a power battery management system to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A mobile test stand for a power battery management system comprises a device body, a control screen is arranged at the upper end of one side of the device body, an operation button is arranged at one side of the device body, a side door is hinged at the lower end of one side of the device body, a body mounting plate is arranged at the lower end inside the device body, a plurality of battery modules are fixedly connected in an array to one side of the body mounting plate, the battery module comprises a battery module mounting plate, a storage battery is fixedly connected to the lower end of one side of the battery module mounting plate, and a voltage sensor, a current sensor and a temperature sensor are fixedly connected to the upper end of the battery module mounting plate in sequence.

[0008] As a preferred solution of the utility model, a balancing circuit is fixedly connected to both sides of the middle part of the device body, the balancing circuit is electrically connected to each battery module, and the other end of the balancing circuit is electrically connected to a protector.

[0009] As a preferred solution of the present invention, a controller is fixedly connected to one side of the top of the device body, and a wireless module is fixedly connected to the other side of the device body.

[0010] As a preferred solution of the utility model, the controller is electrically connected to the control screen, the operation button, the battery module, the balancing circuit, the protector and the wireless module respectively, and the wireless module is electrically connected to the external mobile terminal.

[0011] As a preferred solution of the utility model, a handle is fixedly connected to one side of the side door, and a side door buckle is provided on one side of the side door, and the side door buckle is connected to an adjacent side of the device body.

[0012] As a preferred solution of the utility model, a plurality of rollers are fixedly connected around the lower end of the device body, and a side battery pack sealing door is hinged at the lower end of one side of the device body.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: in the present invention, by setting up a battery module, the temperature, current and voltage of each individual battery can be detected, so as to ensure that they are all within a predetermined working range, and at the same time, the output current can be adjusted according to the voltage of each battery, which effectively improves the control of the battery and improves the use efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the overall front structure of the utility model;

[0016] Figure 3 It is the overall front internal schematic diagram of the utility model;

[0017] Figure 4 This is a schematic diagram of the battery module structure of the present utility model.

[0018] In the figure: 1. Device body; 2. Control screen; 3. Operation button; 4. Side door; 5. Handle; 6. Side door buckle; 7. Side battery pack sealing door; 8. Body mounting plate; 9. Battery module; 10. Balancing circuit; 11. Protector; 12. Controller; 13. Wireless module; 14. Battery module mounting plate; 15. Battery; 16. Voltage sensor; 17. Current sensor; 18. Temperature sensor; 19. Roller. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] For example, please refer to Figure 1 , 2 , 3 and 4, a mobile test stand for a power battery management system, comprising a device body 1, a control screen 2 is arranged on the upper end of one side of the device body 1, an operation button 3 is arranged on one side of the device body 1, a side door 4 is hinged on the lower end of one side of the device body 1, a body mounting plate 8 is arranged on the lower end of the inside of the device body 1, a plurality of battery modules 9 are fixedly connected in an array on one side of the body mounting plate 8, the battery module 9 comprises a battery module mounting plate 14, a storage battery 15 is fixedly connected to the lower end of one side of the battery module mounting plate 14, and a voltage sensor 16, a current sensor 17 and a temperature sensor 18 are fixedly connected to the upper end of the battery module mounting plate 14 in sequence.

[0025] For example, please refer to Figure 3A balancing circuit 10 is fixedly connected to both sides of the middle part of the device body 1. The balancing circuit 10 is electrically connected to each battery module 9. The other end of the balancing circuit 10 is electrically connected to a protector 11.

[0026] For example, please refer to Figure 3 A controller 12 is fixedly connected to one side of the top of the device body 1, and a wireless module 13 is fixedly connected to the other side of the device body 1.

[0027] For example, please refer to Figure 1 and 3 The controller 12 is electrically connected to the control screen 2, the operation button 3, the battery module 9, the balancing circuit 10, the protector 11 and the wireless module 13 respectively, and the wireless module 13 is electrically connected to the external mobile terminal.

[0028] For example, please refer to Figure 1 A handle 5 is fixedly connected to one side of the side door 4, and a side door buckle 6 is provided on one side of the side door 4. The side door buckle 6 is buckled and connected to the adjacent side of the device body 1.

[0029] For example, please refer to Figure 1 A plurality of rollers 19 are fixedly connected around the lower end of the device body 1, and a side battery pack sealing door 7 is hinged at the lower end of one side of the device body 1.

[0030] Working principle: By opening the side door buckle 6, the handle 5 can be quickly pulled to open the side door 4 so as to debug or repair and replace the inside of the device body 1. The voltage sensor 16, current sensor 17 and temperature sensor 18 on the battery module 9 will monitor each battery 15 one by one, and the balancing circuit 10 is responsible for the entire current. At the same time, the protector 11 can directly control the power off of the entire battery pack in an emergency to complete the protection.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mobile test stand for a power battery management system, comprising a device body (1), characterized in that: A control screen (2) is provided at the upper end of one side of the device body (1), an operation button (3) is provided at one side of the device body (1), a side door (4) is hingedly connected at the lower end of one side of the device body (1), a body mounting plate (8) is provided at the lower end inside the device body (1), a plurality of battery modules (9) are fixedly connected in an array to one side of the body mounting plate (8), the battery module (9) comprises a battery module mounting plate (14), a storage battery (15) is fixedly connected to the lower end of one side of the battery module mounting plate (14), and a voltage sensor (16), a current sensor (17) and a temperature sensor (18) are fixedly connected to the upper end of the battery module mounting plate (14) in sequence.

2. A mobile test stand for a power battery management system according to claim 1, characterized in that: An equalizing circuit (10) is fixedly connected to both sides of the middle part of the device body (1), the equalizing circuit (10) is electrically connected to each battery module (9), and the other end of the equalizing circuit (10) is electrically connected to a protector (11).

3. A mobile test stand for a power battery management system according to claim 1, characterized in that: A controller (12) is fixedly connected to one side of the top of the device body (1), and a wireless module (13) is fixedly connected to the other side of the device body (1).

4. A mobile test stand for a power battery management system according to claim 3, characterized in that: The controller (12) is electrically connected to the control screen (2), the operation button (3), the battery module (9), the equalization circuit (10), the protector (11) and the wireless module (13), respectively, and the wireless module (13) is electrically connected to an external mobile terminal.

5. The mobile test stand for a power battery management system according to claim 1, characterized in that: A handle (5) is fixedly connected to one side of the side door (4), and a side door buckle (6) is provided on one side of the side door (4), wherein the side door buckle (6) is buckled and connected to an adjacent side of the device body (1).

6. A mobile test stand for a power battery management system according to claim 1, characterized in that: A plurality of rollers (19) are fixedly connected around the lower end of the device body (1), and a side battery pack sealing door (7) is hingedly connected to the lower end of one side of the device body (1).

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