Battery protection board test fixture

Abstract

The utility model relates to the technical field of electronics, and discloses a battery protection plate test fixture which comprises a supporting base, a connecting seat is fixedly connected to the top of the supporting base, a first connecting plate is fixedly connected to the top of the connecting seat, and a supporting seat is fixedly connected to the top of the inner side of the first connecting plate. A reinforcing mechanism is fixedly connected to the front side of the exterior of the first connecting plate, a fixing mechanism is rotatably connected to the interior of the connecting base, the reinforcing mechanism comprises a fixing base, and a limiting column is fixedly connected to the bottom of the side, away from the first connecting plate, of the fixing base. According to the utility model, the top of the pressing operation handle rotates in the fixed seat, the bottom of the pressing operation handle rotates in the connecting plate, the connecting plate is driven to move up and down, and the pressing column is driven to slide in the limiting column, so that the battery protection plate is fixed, and an operator adjusts the sliding position of the pressing column in the limiting column; and damage to the battery protection plate or inaccurate test caused by improper fixation can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic technical field especially relates to battery protection board test fixture. BACKGROUND

[0002] In the battery management system, the battery protection board is an important part to ensure the safety and performance of the battery. The battery protection board test fixture is a device for testing the function of the battery protection board. By simulating the actual application environment, it verifies whether the battery protection board can work normally under various conditions. The battery protection board is mainly used for the protection of batteries such as lithium batteries, and the battery protection board test fixture is mainly used for the function test, performance verification and quality control in the production process of the battery protection board.

[0003] The battery protection board test fixture mainly includes a support base, a connecting seat, a test probe and other parts. The battery protection board to be tested is usually fixed on the support base, connected with the electrical port of the battery protection board through the connecting seat, and the test probe is used to contact the contact point of the protection board to ensure the transmission of electrical signals. During the test, the test fixture simulates different battery charging and discharging states such as overcharging, overdischarging and overcurrent, and verifies whether the function of the battery protection board is normal by simulating the load and voltage change, whether it can respond in time and execute the protection action under abnormal conditions.

[0004] In the prior art, some battery protection board test fixture devices usually use fixed test platforms and single test methods, which cannot meet the testing needs of different types of battery protection boards. First of all, the fixed method limits the adaptability to battery protection boards of different sizes and shapes, making it difficult to effectively fix and connect the battery protection board during the test, resulting in inaccurate or unstable test results. The operation of the existing test fixture is complex, and often requires special technical personnel to set and adjust, which reduces the work efficiency. Therefore, the battery protection board test fixture is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a battery protection board test fixture, which aims to improve the problem that the existing technology cannot be fixed during use.

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

[0007] The battery protection board test fixture comprises a support base, a connecting seat fixedly connected to the top of the support base, a connecting plate one fixedly connected to the top of the connecting seat, a support seat fixedly connected to the inner top of the connecting plate one, a reinforcing mechanism fixedly connected to the outer front side of the connecting plate one, and a fixing mechanism rotatably connected to the inside of the connecting seat.

[0008] The reinforcing mechanism comprises a fixing seat, the rear side of the fixing seat is fixedly connected to the outer front side of the connecting plate one, an operating handle is rotationally connected to the top side of the fixing seat away from the connecting plate one, a limiting column is fixedly connected to the bottom side of the fixing seat away from the connecting plate one, a connecting column is fixedly connected to the right outer side of the operating handle, a connecting plate two is rotationally connected to the bottom outer side of the operating handle, and the limiting column has a telescopic assembly inside for telescopic movement up and down.

[0009] As a further description of the above technical solution:

[0010] The telescopic assembly comprises a pressing column, the top outer side of the pressing column is slidingly connected to the inside of the limiting column, the top of the pressing column is fixedly connected with a sliding block, and the outer side of the sliding block is rotationally connected to the inner bottom of the connecting plate two.

[0011] As a further description of the above technical solution:

[0012] The inside of the connecting seat is fixedly connected with a test probe, and the inside of the connecting seat is fixedly connected with a fixing rod.

[0013] As a further description of the above technical solution:

[0014] The fixing mechanism comprises nuts, the top of one of the nuts is slidingly connected to the bottom of the pressing column, the inside of the nut is screwedly connected with a bolt, and the top of the bolt is slidingly connected to the inside of the bottom side of the pressing column.

[0015] As a further description of the above technical solution:

[0016] The top of the connecting seat is slidingly connected with a battery protection plate, the inside of the battery protection plate is slidingly connected to the outside of the test probe, and the inside of the battery protection plate is slidingly connected to the outside of the fixing rod.

[0017] As a further description of the above technical solution:

[0018] The top inner side of the connecting seat is provided with a limiting square hole, the two sides of the supporting base are fixedly connected with handles, and the outer left side of the connecting seat is fixedly connected to the inside of the connecting plate one.

[0019] The utility model has the advantages of the following:

[0020] 1. In this utility model, pressing the top of the operating handle rotates it within the fixed base, while the bottom rotates within the connecting plate. Simultaneously, this causes the connecting plate to move up and down, and the lower pressure column to slide within the limiting column, thus fixing the battery protection board. The operator can adjust the sliding position of the lower pressure column within the limiting column, effectively preventing damage to the battery protection board or inaccurate testing due to improper fixing. This also improves work speed.

[0021] 2. In this utility model, the function of fixing with two nuts and bolts allows the battery protection board to be re-fixed by rotating one of the bolts. This helps to improve the accuracy and reliability of test data because stable fixing can reduce errors caused by poor contact or shaking, and can also enhance the safety of the entire device during operation. It can prevent adverse consequences such as short circuits and damage caused by accidental loosening of the battery protection board, ensure the smooth operation of the battery protection board and extend its service life. Attached Figure Description

[0022] Figure 1 This is a three-dimensional schematic diagram of the battery protection board testing fixture proposed in this utility model;

[0023] Figure 2 This is a schematic diagram of the connecting seat of the battery protection board test fixture proposed in this utility model;

[0024] Figure 3 This is a schematic diagram of the connecting plate of the battery protection board testing fixture proposed in this utility model;

[0025] Figure 4 This is a schematic diagram of the fixing rod of the battery protection board test fixture proposed in this utility model;

[0026] Figure 5 for Figure 2 Enlarged view of point A in the middle;

[0027] Figure 6 for Figure 2 Enlarged view of point B in the middle;

[0028] Figure 7 for Figure 4 Enlarged view of point C in the middle.

[0029] Legend:

[0030] 1. Support base; 2. Connecting seat; 3. Test probe; 4. Fixing rod; 5. Support base; 6. Connecting plate one; 7. Handle; 8. Bolt; 9. Nut; 10. Fixing seat; 11. Connecting plate two; 12. Sliding block; 13. Limiting post; 14. Operating handle; 15. Connecting post; 16. Limiting square hole; 17. Pressing post; 18. Battery protection board. Detailed Implementation

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] With reference to Figure 2 , Figure 5 , Figure 6 An embodiment provided by the utility model: battery protection board test fixture, including support base 1, support base 1 is the basic part of whole test fixture, provides the stability and support effect of structure.Support base 1 ensures that the fixture keeps balance during the testing process, avoids being affected by external interference and influences the test precision. The top of support base 1 is fixedly connected with connecting seat 2, connecting seat 2 plays the role of supporting and connecting other components, is one of the core components of test fixture, to ensure that it will not be loose during the testing process. The movable assembly test probe 3 and fixed mechanism in connecting seat 2 can be conveniently adjusted or replaced to adapt to different sizes or models of battery protection board 18;

[0033] The top of connecting seat 2 is fixedly connected with connecting plate one 6, and test probe 3, fixed rod 4 and fixed mechanism are further arranged in the inside, which facilitates the connection of electronic components. The top of connecting seat 2 is fixedly connected with connecting plate one 6, and connecting plate one 6 makes it become one of the support frames of test fixture. Connecting plate one 6 is fixedly connected with connecting seat 2, which provides additional support force. The inner top of connecting plate is connected with support seat 5, and the mutual connection between these components guarantees the stability of the whole system. The inner top of connecting plate one 6 is fixedly connected with support seat 5, and support seat 5 is fixedly connected to the inner top of connecting plate one 6, which is used for supporting other components or providing additional stability during the testing process. Support seat 5 is used for fixing battery protection board 18, ensuring that it is not disturbed by any external force during the testing process, and maintaining the test precision. The outer front side of connecting plate one 6 is fixedly connected with reinforcing mechanism, and the reinforcing mechanism is used for strengthening the structural stability of the whole test fixture and facilitating the adjustment and control of the equipment by the operator. The reinforcing mechanism comprises fixed seat 10, the rear side of fixed seat 10 is fixedly connected to the outer front side of connecting plate one 6, operating handle 14 is rotatably connected to the top of the side of fixed seat 10 away from connecting plate one 6, and operating handle 14 is usually used for adjusting the position of telescopic assembly by rotating, so that the pressure can be accurately applied during the testing process, and battery protection board 18 is fixed to facilitate the long-time use of the operator. Limiting column 13 is fixedly connected to the bottom of the side of fixed seat 10 away from connecting plate one 6;

[0034] The function of the limiting column 13 is to control the up and down telescoping of the pressing column 17. The telescoping assembly includes the pressing column 17 and the sliding block 12, allowing accurate adjustment of the position of the pressing column 17 when pressure is applied. The right side of the operating handle 14 is externally fixedly connected with the connecting column 15, and the bottom of the operating handle 14 is rotatably connected with the connecting plate two 11. The inside of the limiting column 13 has a telescoping assembly for up and down telescoping. The telescoping assembly includes the pressing column 17, the top of which is fixedly connected with the sliding block 12, and the sliding block 12 is rotatably connected to the bottom of the connecting plate two 11. The telescoping assembly can ensure the accurate position and pressure of the battery protection plate 18. The top of the pressing column 17 is slidably connected inside the limiting column 13, and the top of the pressing column 17 is fixedly connected with the sliding block 12, and the outer side of the sliding block 12 is rotatably connected to the inner bottom of the connecting plate two 11. The connecting plate two 11 is connected with the operating handle 14, the sliding block 12 and other components, which plays a connecting and supporting role, and allows position adjustment as needed during testing. The inside of the connecting seat 2 is fixedly connected with the test probe 3, the inside of the connecting seat 2 is fixedly connected with the fixed rod 4, and the inside of the connecting seat 2 is rotatably connected with the fixing mechanism.

[0035] Referring to Figure 4 , Figure 7 , the fixing mechanism includes a nut 9, one of which is slidably connected to the bottom of the pressing column 17, and the inside of the nut 9 is threadedly connected with a bolt 8. The pressure is adjusted by the nut 9 and the bolt 8 to ensure that the pressing column 17 does not deviate from the target position during testing, thereby improving the testing accuracy. The top of the bolt 8 is slidably connected inside the bottom of the pressing column 17. The top of the connecting seat 2 is slidably connected with the battery protection plate 18, which is mainly used to protect the testing process from external interference, and can also protect the test probe 3 and the fixed rod 4 from damage. The inside of the battery protection plate 18 is slidably connected to the outside of the test probe 3. The main function of the test probe 3 is to contact the electrical contact part of the battery protection plate 18 to read the electrical information of the battery. These probes are designed to be slidably connected, which can automatically adjust according to the position of different battery protection plates 18 to ensure the stability of the contact. The inside of the battery protection plate 18 is slidably connected to the outside of the fixed rod 4.

[0036] Referring to Figure 1 , Figure 3 , a limiting square hole 16 is formed in the top inside of the connecting seat 2. The limiting square hole 16 formed in the top of the connecting seat 2 functions to limit the movement range of other components, ensuring that each component operates within the specified range. The limiting square hole 16 enhances the safety of the entire device, avoiding damage caused by misoperation. The two sides of the supporting base 1 are fixedly connected with the handle 7, which is used to facilitate the operator to hold the handle when carrying and adjusting the testing device. It ensures that the operator can easily move the jig. The outside left side of the connecting seat 2 is fixedly connected to the inside of the connecting plate one 6.

[0037] Working principle: first, the battery protection plate 18 is placed on the connecting seat 2, ensure its stability. The support base 1 provides the basis support of the whole fixture, the top of the connecting seat 2 is used for providing support for the battery protection plate 18 to test, while also can adapt to different test requirements, the rotation of the operating handle 14 will drive the connecting column 15 and the connecting plate two 11 movement, in turn make the lower pressing column 17 in the limit column 13 up and down telescopic, so as to fix the battery protection plate 18, the position of the fixed seat 10, so as to control the up and down telescopic of the lower pressing column 17, accurate to apply pressure, ensure the stability and test accuracy of the battery protection plate 18, after the completion of the fixation, the test probe 3 and the electrical contact part of the battery protection plate 18 contact, read the electrical information of the battery, at the same time, the fixed rod 4 fixes the battery plate to keep stable, the support seat 5 and the connecting plate one 6 support the reinforcement assembly.

[0038] Secondly, the cooperation of the nut 9 and the bolt 8 further fixes the battery protection plate 18, and the limit square hole 16 in the connecting seat 2 is convenient for installing electrical elements, so as to facilitate the test. Adjust the handle 7 on both sides of the support base 1, which is convenient for subsequent test or storage, ensures the test accuracy and safety of the battery protection plate 18, and can enhance the safety of the whole device during operation, avoid the short circuit, damage and other adverse consequences caused by accidental loosening of the battery protection plate 18, protect the use of the battery protection plate 18 and prolong its service life.

[0039] Finally, it should be pointed out that: the above only for the preferred embodiment of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A battery protection plate test fixture comprising a support base (1), characterized in that: The top of the supporting base (1) is fixedly connected with a connecting seat (2), the top of the connecting seat (2) is fixedly connected with a connecting plate one (6), the inner top of the connecting plate one (6) is fixedly connected with a supporting seat (5), the outer front side of the connecting plate one (6) is fixedly connected with a reinforcing mechanism, and the inner part of the connecting seat (2) is rotationally connected with a fixing mechanism. The reinforcing mechanism comprises a fixing seat (10), the rear side of the fixing seat (10) is fixedly connected to the outer front side of the connecting plate one (6), the side top of the fixing seat (10) away from the connecting plate one (6) is rotationally connected with an operating handle (14), the side bottom of the fixing seat (10) away from the connecting plate one (6) is fixedly connected with a limiting column (13), the right outer part of the operating handle (14) is fixedly connected with a connecting column (15), the bottom outer side of the operating handle (14) is rotationally connected with a connecting plate two (11), and the inner part of the limiting column (13) is provided with a telescopic assembly for up-down telescopic movement.

2. The battery protection board test fixture of claim 1, wherein: The telescopic assembly comprises a pressing column (17), the top outer side of the pressing column (17) is slidingly connected in the inner part of the limiting column (13), the top of the pressing column (17) is fixedly connected with a sliding block (12), and the outer side of the sliding block (12) is rotationally connected to the inner bottom of the connecting plate two (11).

3. The battery protection board test fixture of claim 1, wherein: The inner part of the connecting seat (2) is fixedly connected with a test probe (3), and the inner part of the connecting seat (2) is fixedly connected with a fixing rod (4).

4. The battery protection board test fixture of claim 2, wherein: The fixing mechanism comprises a nut (9), the top of one of the nuts (9) is slidingly connected to the bottom of the pressing column (17), the inner part of the nut (9) is threadedly connected with a bolt (8), and the top of the bolt (8) is slidingly connected to the inner bottom of the pressing column (17).

5. The battery protection board test fixture of claim 3, wherein: The top of the connecting seat (2) is slidingly connected with a battery protection plate (18), the inner part of the battery protection plate (18) is slidingly connected to the outer part of the test probe (3), and the inner part of the battery protection plate (18) is slidingly connected to the outer part of the fixing rod (4).

6. The battery protection board test fixture of claim 1, wherein: The top inner part of the connecting seat (2) is provided with a limiting square hole (16), both sides of the supporting base (1) are fixedly connected with handles (7), and the outer left side of the connecting seat (2) is fixedly connected to the inner part of the connecting plate one (6).

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