Battery impact short circuit tester

Abstract

The utility model discloses a battery impact short circuit tester, which relates to the technical field of battery testing and comprises an explosion-proof box body, a cavity is arranged in the explosion-proof box body, a test component bottom plate is arranged in the cavity, a plurality of supporting plate upright posts are arranged at the top end of the test component bottom plate, and impact supporting plates are arranged at the top ends of the supporting plate upright posts. An impact test assembly is arranged at the top end of the impact supporting plate and comprises an impact sliding block, an impact guide rail is arranged at the top end of the impact sliding block, an impact motor is arranged on one side of the impact guide rail, an impact hammer support is arranged at the top end of the impact guide rail, a spring hammer is arranged at the top end of the impact hammer support, and a pull-up baffle is arranged at one end of the spring hammer. A pull-up moving plate is arranged on one side of the pull-up baffle, a fixing plate is arranged on one side of the pull-up moving plate, a clamp lifting plate is arranged on one side of the impact supporting plate, and a first battery clamp and a second battery clamp are arranged at the top end of the clamp lifting plate. According to the utility model, the safety of the test can be improved, the test efficiency can be improved, and the accuracy of the test result can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of battery testing, in particular to a battery impact short-circuit tester. Background Art

[0002] Batteries are the main source of power for tools. With the development of society and the progress of the times, batteries are increasingly used in our daily production and development. At the same time, people's requirements for batteries are getting higher and higher. However, while batteries are convenient to use, they are also prone to frequent accidents. The safety of batteries has attracted widespread attention. When replacing batteries, impact will occur, which may affect the normal use of the battery and cause battery damage. Moreover, some batteries may short-circuit during use. Battery short-circuit is prone to explosion. Once an explosion occurs, the impact force generated by the explosion is likely to damage the machine, which is very unsafe.

[0003] Therefore, before using the battery, we usually choose a battery impact short-circuit tester to test the battery. The existing battery impact short-circuit tester may produce dangerous situations such as high temperature, high pressure and even explosion during the impact short-circuit test. If the safety protection measures of the tester are not in place, it may cause damage to the operator and the equipment itself.

[0004] In view of the above technical defects, a solution is now proposed. Utility Model Content

[0005] The purpose of the utility model is to complete the test in the explosion-proof box, thereby improving the safety of the test, improving the test efficiency and ensuring the accuracy of the test results.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a battery impact short-circuit tester, comprising an explosion-proof box body, a cavity is opened in the explosion-proof box body, a test assembly bottom plate is arranged in the cavity, a plurality of support plate columns are arranged at the top of the test assembly bottom plate, an impact support plate is arranged at the top of the support plate column, an impact test assembly is arranged at the top of the impact support plate, the impact test assembly comprises an impact slider, an impact guide rail is arranged at the top of the impact slider, an impact motor is arranged at one side of the impact guide rail, an impact hammer support is arranged at the top of the impact guide rail, a spring hammer is arranged at the top of the impact hammer support, a pull-up baffle is arranged at one end of the spring hammer, a pull-up movable plate is arranged at one side of the pull-up baffle, and a fixed plate is arranged at one side of the pull-up movable plate;

[0007] A fixture lifting plate is arranged on one side of the impact support plate, and a battery fixture 1 and a battery fixture 2 are arranged on the top of the fixture lifting plate.

[0008] Furthermore, the battery clamp includes a fixed base plate, L-shaped side plates are provided at both ends of the fixed base plate, side plate brackets and a movable baffle are provided between the L-shaped side plates, and a plurality of baffle guide rods and clamp screws are provided at one end of the movable baffle close to the L-shaped side plate, and the baffle guide rods and clamp screws are both connected to the movable baffle through the side plate brackets.

[0009] Furthermore, the second battery clamp includes a top plate, a sample baffle and a plurality of tooth bars, both ends of the top plate are provided with bracket side plates, a bracket cross bar is provided between the two bracket side plates, the bracket cross bar sleeve is provided with bevel teeth, a handwheel is provided on one side of one of the bracket side plates, one end of the bracket cross bar passes through the bracket side plate and is connected to the handwheel, a sample pressing plate is provided on one side of the sample baffle, and the four tooth bars pass through the sample pressing plate and are connected to the sample baffle.

[0010] Furthermore, a short-circuit test assembly is arranged on one side of the bottom of the test assembly base plate, and the short-circuit test assembly includes a contactor base plate, contactor shields are arranged on both sides of the contactor base plate, and the contactor shields are arranged with through holes. A DC contactor is arranged on the top of the contactor base plate, and wires are arranged at both ends of the DC contactor. The wires extend through the through holes to the outside of the contactor shield and are connected with shark clips.

[0011] Furthermore, a plurality of screw rods and guide rods are arranged between the pull-up baffle and the fixed plate, the pull-up movable plate is sleeved on the outer ends of the screw rods and guide rods, and a pull-up motor is also arranged on one side of the fixed plate.

[0012] Furthermore, both ends of the test assembly bottom plate are fixed to the explosion-proof box body by fixing angle brackets.

[0013] Furthermore, both ends of the side panel bracket are fixed to the L-shaped side panel.

[0014] Furthermore, the explosion-proof box body is also provided with a control panel and an explosion-proof box door, and the control panel is electrically connected to the impact test assembly and the short-circuit test assembly.

[0015] Furthermore, a ball screw and four guide rods are arranged between the bottom plate and the top plate of the test assembly, the two ends of the ball screw are respectively connected to the bottom plate and the top plate of the test assembly, and the ball screw passes through the fixture lifting plate.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] The battery impact short-circuit tester completes the test in an explosion-proof box, which can improve the safety of the test. In addition, a battery clamp 1 and a battery clamp 2 are provided, which can respectively perform impact tests on large batteries and small batteries, which is more targeted and makes the test results more accurate. In addition, short-circuit tests can also be performed in the explosion-proof box, which improves the test efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The overall external structure schematic diagram of the battery impact short circuit tester of the utility model is shown;

[0019] Figure 2 The front view of the battery impact short circuit tester of the utility model is shown;

[0020] Figure 3 The structure diagram of the impact test assembly in the utility model is shown Figure 1 ;

[0021] Figure 4 The structure diagram of the impact test assembly in the utility model is shown Figure 2 ;

[0022] Figure 5 The structure diagram of the battery clamp 1 in the utility model is shown;

[0023] Figure 6 The structure diagram of the battery clamp 2 in the utility model is shown;

[0024] Figure 7 The schematic diagram of the structure of the short-circuit test assembly in the utility model is shown;

[0025] Legend: 1. Control panel; 2. Explosion-proof box body; 3. Test assembly bottom plate; 4. Explosion-proof box door; 5. Impact support plate; 6. Spring hammer; 7. Support column; 8. Moving baffle; 9. Sample pressure plate; 10. Sample baffle; 11. Ball screw; 12. Tooth bar; 13. Fixture lifting plate; 14. Impact motor; 15. Impact guide rail; 16. Impact slide block; 17. Impact hammer support; 18. Pull up the electric machine; 19. fixed plate; 20. pull up the movable plate; 21. pull up the baffle; 22. top plate; 23. bevel gear; 24. bracket cross bar; 25. bracket side plate; 26. hand wheel; 27. fixed bottom plate; 28. L-shaped side plate; 29. ​​clamp screw; 30. baffle guide rod; 31. side plate bracket; 32. contactor bottom plate; 33. DC contactor; 34. contactor shield; 35. wire; 36. shark clamp. DETAILED DESCRIPTION

[0026] 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 in 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.

[0027] Example:

[0028] like Figure 1-7 As shown, the battery impact short circuit tester includes an explosion-proof box body 2, a cavity is opened in the explosion-proof box body 2, a test assembly bottom plate 3 is arranged in the cavity, both ends of the test assembly bottom plate 3 are fixed to the explosion-proof box body 2 by fixing angle brackets, a plurality of support plate columns 7 are arranged on the top of the test assembly bottom plate 3, an impact support plate 5 is arranged on the top of the support plate column 7, an impact test assembly is arranged on the top of the impact support plate 5, the impact test assembly includes an impact slider 16, an impact guide rail 15 is arranged on the top of the impact slider 16, and the impact guide rail 15 An impact motor 14 is arranged on one side, an impact hammer support 17 is arranged on the top of the impact guide rail 15, a spring hammer 6 is arranged on the top of the impact hammer support 17, a pull-up baffle 21 is arranged on one end of the spring hammer 6, a pull-up movable plate 20 is arranged on one side of the pull-up baffle 21, a fixed plate 19 is arranged on one side of the pull-up movable plate 20, a plurality of guide rods and a screw rod are arranged between the pull-up baffle 21 and the fixed plate 19, the pull-up movable plate 20 is sleeved on the outer ends of the screw rod and the guide rod, and a pull-up motor 18 is also arranged on one side of the fixed plate 19;

[0029] A clamp lifting plate 13 is arranged on one side of the impact support plate 5, and a battery clamp 1 and a battery clamp 2 are arranged on the top of the clamp lifting plate 13. Battery clamp 1 includes a fixed bottom plate 27, and L-shaped side plates 28 are arranged at both ends of the fixed bottom plate 27. A side plate bracket 31 and a movable baffle 8 are arranged between the L-shaped side plates 28. A plurality of baffle guide rods 30 and a clamp screw 29 are arranged at one end of the movable baffle 8 close to the L-shaped side plate 28. The baffle guide rods 30 and the clamp screw 29 are both connected to the movable baffle 8 through the side plate bracket 31, and both ends of the side plate bracket 31 are fixed to the L-shaped side plate 28.

[0030] Battery fixture 2 includes a top plate 22, a sample baffle 10 and a plurality of tooth bars 12. Support side plates 25 are provided at both ends of the top plate 22. A support cross bar 24 is provided between the two support side plates 25. The support cross bar 24 is sleeved with bevel teeth 23. A handwheel 26 is provided on one side of one of the support side plates 25. One end of the support cross bar 24 passes through the support side plate 25 and is connected to the handwheel 26. A sample pressing plate 9 is provided on one side of the sample baffle 10. The tooth bars 12 pass through the sample pressing plate 9 and are connected to the sample baffle 10. A ball screw and four guide rods are provided between the test component bottom plate 3 and the top plate 22. Both ends of the ball screw 11 are respectively connected to the test component bottom plate 3 and the top plate 22. The ball screw 11 passes through the fixture lifting plate 13.

[0031] A short-circuit test assembly is arranged on one side of the bottom of the test assembly base plate 3, and the short-circuit test assembly includes a contactor base plate 32. Contactor shields 34 are arranged on both sides of the contactor base plate 32. The contactor shields 34 are arranged with through holes. A DC contactor 33 is arranged on the top of the contactor base plate 32. Wires 35 are arranged at both ends of the DC contactor 33. The wires 35 extend through the through holes to the outside of the contactor shields 34 and are connected with shark clips 36. The explosion-proof box body 2 is also provided with a control panel 1 and an explosion-proof box door 4. The control panel 1 is electrically connected to the impact test assembly and the short-circuit test assembly.

[0032] Working principle: The control panel 1 includes a PLC touch screen. When conducting a battery impact test, if the battery to be tested is a small battery, it is placed in battery fixture 1; if it is a large battery, it is placed in battery fixture 2. After the sample is installed, the sample can be fixed by the sample baffle 10 and the strap, and the pull rod of the spring hammer 6 is pulled out to lock so that the spring hammer 6 is in a triggered state. Then, a ruler is used to measure the distance from the pull rod handle of the spring hammer 6 to the buckle. This distance value is entered as the "pull rod distance setting value" on the PLC touch screen. Press "impact distance debugging" to make the hammer head of the spring hammer 6 contact the sample. There will be a display value on the PLC touch screen. Enter this value again on the PLC touch screen as the "impact distance setting value". Set the number of impacts and impact speed on the PLC touch screen, close the explosion-proof box door 4, and press "test start" to automatically complete the impact test.

[0033] During the battery short-circuit test, the battery to be tested is placed in the short-circuit test assembly, the positive electrode of the battery is connected to the positive electrode of the DC contactor 33, and the negative electrode is connected to the negative electrode of the DC contactor 33, and then the explosion-proof box door 4 is closed, and the "current start" is pressed on the control panel 1 to start the battery short-circuit test. The control panel 1 automatically collects the current, and the test automatically stops when the power-on short-circuit time reaches the set time value;

[0034] The battery impact short circuit tester completes the test in an explosion-proof box, which can improve the safety of the test, and can also improve the test efficiency and ensure the accuracy of the test results.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A battery impact short circuit tester, comprising an explosion-proof box body (2), wherein a cavity is provided in the explosion-proof box body (2), characterized in that: A test assembly bottom plate (3) is arranged in the cavity, a plurality of support plate columns (7) are arranged at the top of the test assembly bottom plate (3), an impact support plate (5) is arranged at the top of the support plate column (7), an impact test assembly is arranged at the top of the impact support plate (5), the impact test assembly comprises an impact slider (16), an impact guide rail (15) is arranged at the top of the impact slider (16), an impact motor (14) is arranged on one side of the impact guide rail (15), and a An impact hammer support (17), wherein a spring hammer (6) is arranged at the top of the impact hammer support (17), a pull-up baffle (21) is arranged at one end of the spring hammer (6), a pull-up movable plate (20) is arranged at one side of the pull-up baffle (21), and a fixed plate (19) is arranged at one side of the pull-up movable plate (20); a clamp lifting plate (13) is arranged at one side of the impact support plate (5), and a battery clamp 1 and a battery clamp 2 for adapting to battery packs of various specifications are arranged at the top of the clamp lifting plate (13).

2. The battery impact short circuit tester according to claim 1, characterized in that: The battery clamp 1 comprises a fixed base plate (27), both ends of the fixed base plate (27) are provided with L-shaped side plates (28), side plate brackets (31) and a movable baffle (8) are provided between the L-shaped side plates (28), and a plurality of baffle guide rods (30) and clamp screws (29) are provided at one end of the movable baffle (8) close to the L-shaped side plate (28), and the baffle guide rods (30) and the clamp screws (29) are both connected to the movable baffle (8) through the side plate brackets (31).

3. The battery impact short circuit tester according to claim 1, characterized in that: The battery clamp 2 comprises a top plate (22), a sample baffle (10) and a plurality of tooth bars (12); both ends of the top plate (22) are provided with support side plates (25); a support cross bar (24) is provided between the two support side plates (25); the support cross bar (24) is sleeved with bevel teeth (23); a hand wheel (26) is provided on one side of one of the support side plates (25); one end of the support cross bar (24) passes through the support side plate (25) and is connected to the hand wheel (26); a sample pressing plate (9) is provided on one side of the sample baffle (10); the tooth bars (12) pass through the sample pressing plate (9) and are connected to the sample baffle (10).

4. The battery impact short circuit tester according to claim 1, characterized in that: A short-circuit test assembly is arranged on one side of the bottom of the test assembly base plate (3), and the short-circuit test assembly includes a contactor base plate (32), contactor shields (34) are arranged on both sides of the contactor base plate (32), and the contactor shields (34) are arranged with through holes. A DC contactor (33) is arranged on the top of the contactor base plate (32), and wires (35) are arranged at both ends of the DC contactor (33), and the wires (35) pass through the through holes and extend to the outside of the contactor shield (34) and are connected to shark clips (36).

5. The battery impact short circuit tester according to claim 1, characterized in that: A plurality of screw rods and guide rods are arranged between the pull-up baffle plate (21) and the fixed plate (19), the pull-up movable plate (20) is sleeved on the outer ends of the screw rods and guide rods, and a pull-up motor (18) is also arranged on one side of the fixed plate (19).

6. The battery impact short circuit tester according to claim 1, characterized in that: The two ends of the test assembly bottom plate (3) are fixed to the explosion-proof box body (2) via fixed angle brackets.

7. The battery impact short circuit tester according to claim 2, characterized in that: Both ends of the side plate bracket (31) are fixed to the L-shaped side plate (28).

8. The battery impact short circuit tester according to claim 4, characterized in that: The explosion-proof box body (2) is also provided with a control panel (1) and an explosion-proof box door (4); the control panel (1) is electrically connected to both the impact test assembly and the short-circuit test assembly.

9. The battery impact short circuit tester according to claim 3, characterized in that: A ball screw (11) and four guide rods are arranged between the test component bottom plate (3) and the top plate (22), the two ends of the ball screw (11) are respectively connected to the test component bottom plate (3) and the top plate (22), and the ball screw (11) passes through the fixture lifting plate (13).

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