BMS battery protection board detection tool

By designing a BMS battery protection board detection tool with dual-station design, the problem of low efficiency of the existing detection mode is solved, automatic station switching and detection is realized, and the detection efficiency is significantly improved.

CN222671885UActive Publication Date: 2025-03-25GUANGZHOU BANGHE TESTING TECH CO LTD
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Patent Information

Application Number
CN202420676545.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2025-03-25
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

The existing BMS battery protection plate detection mode is inefficient, manual control has been eliminated, and semi-automated detection is wasted a long time when picking and putting the plate, affecting the detection efficiency.

Method used

A BMS battery protection plate inspection tool is designed, adopting a dual-station design, and the automated station switching and detection process is realized through lifting components, stroke slots, sliders, screws, connecting blocks, detection base plates and synchronous drive components.

Benefits of technology

It significantly shortens the pick-up and placement time of the BMS battery protection board, improves detection efficiency, and is more efficient especially in large batches of inspections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a BMS battery protection board detection tool comprising a tester, a fixed plate is fixedly installed between the inner walls of the two sides of the tester, the fixed plate is provided with a lifting assembly, and a probe board is fixedly assembled at the bottom of the movable end of the lifting assembly; the inner walls of the two sides of the tester are each provided with two stroke grooves, the interiors of the four stroke grooves are each slidably connected with a sliding block, one side of the outer surface of each sliding block is fixedly provided with a connecting block, and a detection bottom plate is jointly and fixedly connected between the two connecting blocks on the same side. According to the utility model, the lifting assembly, the stroke groove, the sliding block, the lead screw, the connecting block, the detection bottom plate and the synchronous driving assembly are arranged, a double-station design is adopted, functions of the two stations are switched in turn, the time required for taking and placing the BMS battery protection plate is compressed within the time required for automatic detection, and the time required for taking and placing the BMS battery protection plate is shortened during large-scale detection. And the detection efficiency of the BMS battery protection board can be obviously improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of detection tooling, in particular to a BMS battery protection board detection tooling. Background Art

[0002] The BMS battery protection board is a circuit board that can monitor and protect lithium-ion batteries. It is usually composed of integrated circuits, inductors, capacitors, fuses and other components. It can monitor the voltage, temperature and current of the battery and take measures when necessary to ensure the safety and life of the battery.

[0003] At present, the functions of BMS battery protection boards need to be tested during the production process to evaluate the response and efficiency of the BMS.

[0004] The existing BMS battery protection board detection modes are mainly manual control function detection and semi-automatic control function detection. Among them, the manual control function detection device has been gradually eliminated by the market due to its low efficiency. When using the semi-automatic control function detection, the worker first puts the BMS battery protection board into the positioning mold, and then performs automatic detection. After the detection, the worker takes out the BMS battery protection board and then places a new BMS battery protection board. Taking and placing it takes a long time, which affects the detection efficiency. Utility Model Content

[0005] The utility model is a BMS battery protection board detection tool proposed to solve the shortcomings in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a BMS battery protection board detection tooling, including a tester, a fixed plate is fixedly installed between the inner walls on both sides of the tester, a lifting assembly is installed on the fixed plate, and a probe plate is fixedly installed on the bottom of the movable end of the lifting assembly; two travel grooves are provided on the inner walls on both sides of the tester, and sliders are slidably connected to the inside of the four travel grooves, and connecting blocks are fixedly installed on one side of the outer surface of the four sliders, and a detection base plate is fixedly connected between the two connecting blocks on the same side, and the tops of the two detection base plates are fixedly connected with positioning tooling; a screw rod is rotatably connected between the inner walls on both sides of the two travel grooves on the same side, and the screw rod is threadedly connected to the adjacent sliders, and a synchronous drive assembly is installed between the two screw rods and the tester.

[0007] Furthermore, the lifting assembly includes a lifting cylinder, and the lifting cylinder is fixedly installed on the top of the fixed plate, the movable end of the lifting cylinder is fixedly installed with an assembly plate, and the probe plate is fixedly installed on the bottom of the assembly plate, which can drive the assembly plate to rise or fall, thereby driving the probe plate to rise or fall.

[0008] Furthermore, two sliding rods are symmetrically fixedly connected to the top of the assembly plate, and the sliding rods penetrate the fixed plate and are slidably connected thereto. The cooperation between the sliding rods and the fixed plate has a limiting effect on the assembly plate, thereby ensuring the stability of the movement of the assembly plate.

[0009] Furthermore, the synchronous drive assembly includes an installation cavity and a motor, and the installation cavity is opened inside the tester, the motor is fixedly installed on an inner wall of one side of the tester, the driving shaft of the motor passes through the inner wall of the tester, extends into the installation cavity and is fixedly connected to a driving pulley, the outer surface of the driving pulley is sleeved with a synchronous belt, the inner surface of the synchronous belt abuts against two driven pulleys, one side of the outer surface of the two driven pulleys is fixedly connected with a rotating shaft, and the rotating shaft passes through the inner wall of the installation cavity, extends into adjacent travel grooves and is fixedly connected to the screw rods, the two rotating shafts are rotatably connected to the tester, and can synchronously drive the two screw rods to rotate.

[0010] Furthermore, a BMS battery protection board body is placed on the positioning fixture at the top.

[0011] Furthermore, one side of the outer surface of the two detection base plates is provided with a notch, and the design of the notch is conducive to the placement and removal of the BMS battery protection board body.

[0012] Furthermore, a travel switch is fixedly installed on the inner wall of one side of the two travel grooves on the same side, which is beneficial to controlling the travel of the slider.

[0013] Beneficial effects of the utility model:

[0014] When the utility model is in use, the BMS battery protection board detection tooling adopts a double-station design through the arranged lifting components, travel grooves, sliders, screw rods, connecting blocks, detection base plates and synchronous drive components. The functions of the two stations are switched in turn, and the time required for taking and placing the BMS battery protection board is compressed within the time required for automatic detection. In large-scale detection, the detection efficiency of the BMS battery protection board can be significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 : A three-dimensional diagram of the utility model;

[0017] Figure 2 : The front view of the utility model;

[0018] Figure 3 : A partial cross-sectional view of the utility model;

[0019] Figure 4 : Schematic diagram of the installation of the synchronous belt of the utility model.

[0020] The reference numerals are as follows:

[0021] 1. Tester; 2. BMS battery protection board body; 3. Travel slot; 4. Connecting block; 5. Notch; 6. Lifting cylinder; 7. Rotating shaft; 8. Fixing plate; 9. Slide bar; 10. Assembly plate; 11. Probe plate; 12. Motor; 13. Positioning tooling; 14. Detection base plate; 15. Synchronous belt; 16. Installation cavity; 17. Slider; 18. Screw rod; 19. Travel switch; 20. Driving pulley; 21. Driven pulley. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 4 As shown, it relates to a BMS battery protection board detection tooling, including a tester 1, a fixed plate 8 is fixedly installed between the inner walls on both sides of the tester 1, the fixed plate 8 is installed with a lifting assembly, and a probe plate 11 is fixedly installed at the bottom of the movable end of the lifting assembly, and the lifting assembly includes a lifting cylinder 6, and the lifting cylinder 6 is fixedly installed on the top of the fixed plate 8, the movable end of the lifting cylinder 6 is fixedly installed with an assembly plate 10, and the probe plate 11 is fixedly installed at the bottom of the assembly plate 10, and two sliding rods 9 are symmetrically fixedly connected to the top of the assembly plate 10, and the sliding rod 9 is arranged through the fixed plate 8 and is slidably connected thereto, the lifting cylinder 6 drives the assembly plate 10 to rise or fall, thereby driving the probe plate 11 to rise or fall, and the sliding rod 9 can ensure the stability of the movement of the assembly plate 10 and the probe plate 11.

[0024] Two travel grooves 3 are provided on the inner walls on both sides of the tester 1, and sliders 17 are slidably connected inside the four travel grooves 3. Connecting blocks 4 are fixedly installed on one side of the outer surfaces of the four sliders 17, and a detection base plate 14 is fixedly connected between the two connecting blocks 4 on the same side. The tops of the two detection base plates 14 are fixedly connected with positioning fixtures 13, and the BMS battery protection board body 2 is placed on the top positioning fixture 13. Notches 5 are provided on one side of the outer surfaces of the two detection base plates 14. During testing, the BMS battery protection board body 2 can be placed on the positioning fixture 13, which is conducive to testing the BMS battery protection board body 2.

[0025] The inner walls of the two travel grooves 3 on the same side are connected with a screw rod 18 for common rotation, and the screw rod 18 is threadedly connected to the adjacent slider 17. The two screw rods 18 are installed with a synchronous drive component between the tester 1. The synchronous drive component includes a mounting cavity 16 and a motor 12, and the mounting cavity 16 is opened inside the tester 1. The motor 12 is fixedly installed on the inner wall of one side of the tester 1. The drive shaft of the motor 12 passes through the inner wall of the tester 1 and extends into the mounting cavity 16 and is fixedly connected to a driving pulley 20. The outer surface of the driving pulley 20 is sleeved with a synchronous Belt 15, the inner surface of the synchronous belt 15 abuts against two driven pulleys 21, one side of the outer surface of the two driven pulleys 21 is fixedly connected with a rotating shaft 7, and the rotating shaft 7 passes through the inner wall of the installation cavity 16 and extends to the adjacent stroke groove 3 and is fixedly connected with the screw rod 18. The two rotating shafts 7 are rotatably connected to the tester 1, and the motor 12 drives the active pulley 20 to rotate. The active pulley 20 drives the two driven pulleys 21 to rotate through the synchronous belt 15. The driven pulley 21 can drive the screw rod 18 to rotate through the rotating shaft 7, so that the two sliders 17 move relative to each other.

[0026] A travel switch 19 is fixedly mounted on one inner wall of the two travel grooves 3 on the same side.

[0027] Working principle: Place the BMS battery protection board body 2 on the bottom positioning fixture 13. When the BMS battery protection board body 2 being tested is completed, the station is automatically switched. The motor 12 drives the active pulley 20 to rotate. The active pulley 20 drives the two driven pulleys 21 to rotate through the synchronous belt 15, and then drives the screw 18 to rotate through the rotating shaft 7, so that the two sliders 17 move relative to each other, and the top detection bottom plate 14 and the positioning fixture 13 are moved out and away from the motor 12, thereby driving the BMS battery protection board body 2 that has completed the test away from the motor 12, and the bottom detection The bottom plate 14 and the positioning tooling 13 are close to the motor 12, thereby driving the untested BMS battery protection board body 2 close to the motor 12, until the top slider 17 touches the travel switch 19, realizing the work station switching, and then the lifting cylinder 6 drives the assembly plate 10 to descend, and the assembly plate 10 can drive the probe plate 11 to descend until it is pressed with the untested BMS battery protection board body 2, and then the untested BMS battery protection board body 2 is inspected. At the same time, the worker takes out the BMS battery protection board body 2 that has been inspected, and then places the untested BMS battery protection board body 2.

[0028] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A BMS battery protection board detection tool, comprising a tester (1), characterized in that: A fixing plate (8) is fixedly mounted between the inner walls of both sides of the tester (1), a lifting assembly is mounted on the fixing plate (8), and a probe plate (11) is fixedly mounted on the bottom of the movable end of the lifting assembly; Two travel grooves (3) are provided on the inner walls of both sides of the tester (1); the interiors of the four travel grooves (3) are slidably connected with sliders (17); one side of the outer surfaces of the four sliders (17) is fixedly mounted with connecting blocks (4); a detection base plate (14) is fixedly connected between the two connecting blocks (4) on the same side; and the tops of the two detection base plates (14) are fixedly connected with positioning fixtures (13); A screw rod (18) is rotatably connected between the inner walls of the two travel grooves (3) on the same side, and the screw rod (18) is threadedly connected to the adjacent slider (17). A synchronous drive component is installed between the two screw rods (18) and the tester (1).

2. A BMS battery protection board detection tool according to claim 1, characterized in that: The lifting assembly comprises a lifting cylinder (6), and the lifting cylinder (6) is fixedly mounted on the top of a fixed plate (8), a mounting plate (10) is fixedly mounted on the movable end of the lifting cylinder (6), and a probe plate (11) is fixedly mounted on the bottom of the mounting plate (10).

3. A BMS battery protection board detection tool according to claim 2, characterized in that: Two sliding rods (9) are symmetrically fixedly connected to the top of the assembly plate (10), and the sliding rods (9) penetrate the fixed plate (8) and are slidably connected thereto.

4. A BMS battery protection board detection tool according to claim 1, characterized in that: The synchronous drive assembly comprises a mounting cavity (16) and a motor (12), and the mounting cavity (16) is arranged inside the tester (1), the motor (12) is fixedly mounted on an inner wall of one side of the tester (1), the driving shaft of the motor (12) penetrates the inner wall of the tester (1) and extends into the mounting cavity (16) and is fixedly connected to a driving pulley (20), the outer surface of the driving pulley (20) is sleeved with a synchronous belt (15), the inner surface of the synchronous belt (15) is abutted against two driven pulleys (21), one side of the outer surface of the two driven pulleys (21) is fixedly connected to a rotating shaft (7), and the rotating shaft (7) penetrates the inner wall of the mounting cavity (16) and extends into an adjacent stroke groove (3) and is fixedly connected to the screw rod (18), and the two rotating shafts (7) are rotatably connected to the tester (1).

5. A BMS battery protection board detection tool according to claim 1, characterized in that: The BMS battery protection board body (2) is placed on the positioning fixture (13) at the top.

6. A BMS battery protection board detection tool according to claim 1, characterized in that: One side of the outer surface of the two detection bottom plates (14) is provided with a notch (5).

7. A BMS battery protection board detection tool according to claim 1, characterized in that: A travel switch (19) is fixedly mounted on one inner wall of the two travel grooves (3) on the same side.