Battery pack detection equipment

Abstract

The utility model discloses battery pack detection equipment. The battery pack detection equipment comprises an equipment shell, a direct current gun head is arranged at the head end of the equipment shell and used for being inserted into a charging port of a vehicle. The detection circuit board is arranged in the equipment shell, and the detection circuit board is used for detecting a battery pack; and the insulation detection module is arranged on the detection circuit board and is used for isolating leakage current. According to the utility model, after the direct current gun head is inserted into the interface of the battery pack, the battery pack can communicate with the sampling plate, and the sampling plate feeds back the collected data to the detection circuit board electrically connected with the sampling plate so as to detect the fault of the battery pack. And meanwhile, the insulation detection module is also arranged on the detection circuit board, so that when dangerous situations such as electric leakage, short circuit and the like occur, the insulation detection module can avoid damage to a human body or equipment or use influence caused by electric leakage.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle detection, and in particular to a battery pack detection device. Background Art

[0002] New energy vehicles are generally referred to as electric vehicles. The battery component is one of the most important components. It provides power for the vehicle and energy for the normal operation of its internal components. When the battery component fails, it will cause harm to the vehicle and the people inside the vehicle. Therefore, the battery components need to be inspected regularly. Existing vehicles generally have a self-test system for battery components. When the vehicle has an accident or is damaged, in serious cases, the vehicle's own self-test system may be damaged. Therefore, additional testing equipment is needed for testing. However, since the cause of the fault cannot be determined before testing, directly testing the battery for faults may cause secondary accidents and affect the safety of the test personnel and the vehicle. Utility Model Content

[0003] The purpose of the utility model is to solve the above problems and provide a battery pack detection device.

[0004] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0005] A battery pack testing device, comprising:

[0006] Equipment housing;

[0007] A DC gun head is provided at the head end of the device housing, and the DC gun head is used to be inserted into the charging port of the vehicle;

[0008] A detection circuit board is arranged inside the device housing, and the detection circuit board is used to detect the battery pack;

[0009] The insulation detection module is arranged on the detection circuit board and is used to isolate the leakage current.

[0010] As a further description of the above technical solution, an electronic lock is provided at the upper end of the device housing, and a mechanical button is provided at the upper end of the electronic lock. The middle part of the mechanical button is hinged to the upper end of the device housing, and extends along the length direction of the DC gun head to the edge of the DC gun head, and is clamped with the edge of the DC gun head.

[0011] As a further description of the above technical solution, light guide lamp covers are provided at both ends of the device housing, and the light guide lamp covers are electrically connected to the detection circuit board.

[0012] As a further description of the above technical solution, a screen assembly is provided on the upper surface of the device housing, the screen assembly is electrically connected to the detection circuit board, and the screen assembly is used to display a variety of detection information and device status information.

[0013] As a further description of the above technical solution, the upper surface of the device housing is a recessed structure, and a handle is integrally formed in the recessed structure.

[0014] As a further description of the above technical solution, the device housing is composed of two symmetrically arranged left cover plates and right cover plates, and a sealing strip is provided at the joint between the left cover plate and the right cover plate to seal the joint.

[0015] As a further description of the above technical solution, the detection circuit board also includes a sampling board.

[0016] As a further description of the above technical solution, a pressable unlocking button is provided on one side of the electronic lock.

[0017] As a further description of the above technical solution, a retractable top rod is arranged above the electronic lock, and the top rod is located below the end of the mechanical button.

[0018] As a further description of the above technical solution, the mechanical button is an elongated plate-like structure, and a buckle is integrally formed at one end thereof close to the DC gun head.

[0019] The beneficial effects of the utility model are as follows:

[0020] 1. After the DC gun head is inserted into the interface of the battery pack, the battery pack can communicate with the sampling board, and the sampling board feeds back the collected data to the detection circuit board electrically connected to it, so as to detect the fault of the battery pack. At the same time, an insulation detection module is also provided on the detection circuit board. When dangerous situations such as leakage and short circuit occur, the insulation detection module can avoid damage or use impact to the human body or equipment due to leakage.

[0021] In order to more clearly illustrate the structural features and functions of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the detection device in the utility model;

[0023] Figure 2 It is a front view of the detection device in the utility model;

[0024] Figure 3 It is a schematic diagram of partial disassembly of the detection equipment in the utility model.

[0025] Figure numerals: 101, left cover; 102, right cover; 2, DC gun head; 3, detection circuit board; 4, insulation detection module; 5, electronic lock; 501, push rod; 6, mechanical button; 601, buckle; 7, light guide lamp cover; 8, screen assembly; 9, handle; 10, sampling plate; 11, unlock button; 12, interface. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0027] like Figure 1-Figure 3 As shown, in one embodiment, a battery pack detection device, whose overall structure is a combination of a charging gun and a block structure, mainly includes a device housing, and a 9-hole DC gun head 2 is provided at one end of the device housing. The DC gun head 2 is used to be inserted into the charging port of the vehicle or directly inserted into the detection port of the battery pack to connect the battery pack and the detection device to realize subsequent detection.

[0028] A detection circuit board 3 is provided inside the device housing, and the detection circuit board 3 also includes a sampling board 10. The sampling board 10 is electrically connected to the DC gun head 2. When the DC gun head 2 is inserted into the interface 12 of the battery pack, the battery pack can communicate with the sampling board 10, and the sampling board 10 feeds back the collected data to the detection circuit board 3 electrically connected thereto, so as to detect the fault of the battery pack. In the present application, an insulation detection module 4 is also provided on the detection circuit board 3. When dangerous situations such as leakage short circuit occur, the insulation detection module 4 can avoid damage or use impact to the human body or equipment due to leakage, specifically by detecting the insulation value of the battery pack, the impedance from the positive electrode to PE, and the impedance from the negative electrode to PE. When the insulation value is greater than a certain threshold, it indicates that there is a risk of leakage in the battery pack.

[0029] See also Figure 3 An electronic lock 5 is provided at the upper end of the inside of the device shell, and a mechanical button 6 is provided at the upper end of the electronic lock 5. The middle part of the mechanical button 6 is hinged to the upper end of the device shell so that the two ends of the mechanical button 6 can be selectively tilted, and a buckle 601 is integrally formed at the end of the mechanical button 6 close to the DC gun head 2. The buckle 601 is snapped onto the edge of the DC gun head 2. When snapped, the buckle 601 will occupy a part of the DC gun head 2, so that the DC gun head 2 cannot be directly inserted into the detection port of the battery pack for detection, that is, the battery pack detection device is locked to avoid accidental insertion.

[0030] As for the electronic lock 5, a retractable top rod 501 is provided at its upper end, and the top rod 501 is located below the end of the mechanical button 6. The mechanical button 6 is a slender plate-like structure. When the electronic lock 5 is in a closed state, the top rod 501 lifts the rear half of the mechanical button 6 upward through electric control, so that the front half of the mechanical button 6 and the buckle 601 lock the DC gun head 2, thereby realizing the locking function.

[0031] As for unlocking, a pressable unlocking button 11 is provided on the side of the electronic lock 5. When the unlocking button 11 is pressed, the top rod 501 is reset so that the mechanical button 6 can move around the hinge point. The operator presses the tail of the mechanical button 6 so that the buckle 601 can be separated from the edge of the DC gun head 2 to achieve normal detection function.

[0032] Further, refer to Figure 1 and Figure 2 The device housing is composed of a symmetrically arranged left cover plate 101 and a right cover plate 102. A sealing body is provided at the joint between the left cover plate 101 and the right cover plate 102 for sealing the joint. The left cover plate 101 and the right cover plate 102 can be manufactured by injection molds, which are less costly and simpler to process as a whole. Sealing by sealing strips can improve the sealing performance. A light guide lampshade 7 is provided on both the left cover plate 101 and the right cover plate 102. The light guide lampshade 7 is electrically connected to the detection circuit board 3. The light guide lampshade can display the detection results. Specifically, when there is no problem in the detection, the lamp under the light guide lampshade 7 displays a green light. When the detection is abnormal, the lamp under the light guide lampshade 7 displays a red light, which can remind the detection personnel more conspicuously.

[0033] Furthermore, a screen assembly 8 is provided on the upper surface of the device housing, the screen assembly 8 is electrically connected to the detection circuit board 3, and the screen assembly 8 is used to display a variety of detection information and device status information.

[0034] Furthermore, the upper surface of the device housing is a recessed structure, and a handle 9 is integrally formed in the recessed structure. The handle 9 is in an inclined state, which makes it more convenient and comfortable for operators to use, and is ergonomically friendly.

[0035] It should be noted that the battery pack detection device in this application is powered by an external power bank (not shown in the figure), and the external power bank is integrated with the device to facilitate transportation. A variety of interfaces 12 such as USB and Type-C interfaces 12 are provided on the device housing to charge the battery module to achieve power supply. A SIM card interface 12 is also provided on the device housing to insert a SIM card so that the detection device can communicate with external devices to transmit data.

[0036] Working principle: Insert the detection device into the charging port of the battery pack through the DC gun head, turn on the low-voltage auxiliary power supply, send the handshake message to perform insulation detection, obtain BMS information, and obtain the single cell voltage, temperature and other information through the parameter configuration phase message. Finally, an encrypted QR code is generated on the screen. Use WeChat to scan the QR code to generate a report, or you can view the report on the background server. The report can show the battery health status, maintenance suggestions for the battery pack, etc.

[0037] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A battery pack testing device, characterized in that: include: Equipment housing; A DC gun head is provided at the head end of the device housing, and the DC gun head is used to be inserted into the charging port of the vehicle; A detection circuit board is arranged inside the device housing, and the detection circuit board is used to detect the battery pack; The insulation detection module is arranged on the detection circuit board and is used to isolate the leakage current.

2. The battery pack testing device according to claim 1, characterized in that: An electronic lock is provided at the upper end of the interior of the device shell, and a mechanical button is provided at the upper end of the electronic lock. The middle part of the mechanical button is hinged to the upper end of the device shell, and extends along the length direction of the DC gun head to the edge of the DC gun head, and is snap-connected with the edge of the DC gun head.

3. The battery pack testing device according to claim 1, characterized in that: Both ends of the device housing are provided with light guide lamp covers, and the light guide lamp covers are electrically connected to the detection circuit board.

4. The battery pack testing device according to claim 1, characterized in that: A screen assembly is disposed on the upper surface of the device housing. The screen assembly is electrically connected to the detection circuit board. The screen assembly is used to display a variety of detection information and device status information.

5. The battery pack testing device according to claim 1, characterized in that: The upper surface of the device shell is a concave structure, and a handle is integrally formed in the concave structure.

6. The battery pack testing device according to claim 1, characterized in that: The device housing is composed of two symmetrically arranged left cover plates and right cover plates. A sealing strip is arranged at the joint between the left cover plate and the right cover plate to seal the joint.

7. The battery pack testing device according to claim 1, characterized in that: The detection circuit board also includes a sampling board.

8. The battery pack testing device according to claim 2, characterized in that: A pressable unlocking button is arranged on one side of the electronic lock.

9. The battery pack testing device according to claim 2, characterized in that: A retractable top rod is arranged above the electronic lock, and the top rod is located below the end of the mechanical button.

10. The battery pack testing device according to claim 2, characterized in that: The mechanical button is a slender plate-shaped structure, and a buckle is integrally formed at one end of the mechanical button close to the DC gun head.

Images