Safety control lithium ion battery overcharge cabinet loading test device

Abstract

The utility model relates to the technical field of lithium ion battery testing equipment, in particular to a safely-controlled lithium ion battery overcharge upper cabinet testing device which comprises an overcharge tester, a cabinet body is arranged on one side of the overcharge tester, a heat dissipation device is arranged on the rear side wall of the cabinet body, and a control device is arranged on a front side door plate of the cabinet body. Stand columns are arranged on the two sides in the cabinet body, a plurality of parallel supporting plates are arranged between the two stand columns, a battery fixing device is arranged in the middles of the supporting plates and comprises a fixing base, a fixing assembly and an adjusting assembly are arranged on the two sides of the upper portion of the fixing base respectively, and a positive electrode contact plate is arranged on the fixing assembly. A negative electrode contact plate is arranged on the adjusting assembly; and the positive electrode contact plate and the negative electrode contact plate are electrically connected with the overcharge tester. According to the safety control lithium ion battery overcharge cabinet test device, in the test process, the lithium ion battery is isolated and arranged in the cabinet body, the risk of chain reaction caused by battery faults is reduced, and the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium ion battery testing equipment technical field especially relates to a safe control's lithium ion battery overcharge upper cabinet testing arrangement. BACKGROUND

[0002] Current lithium ion battery overcharge testing equipment generally adopts the mode that battery access is connected to power on testing, and this mode is simple to operate, but there is a security risk that cannot be ignored. Once the battery has internal defects or equipment circuit failure, instantaneous power on is easy to cause battery overcharge, and further lead to thermal runaway, fire and even explosion and other serious consequences. In view of the wide application of lithium ion battery in various fields, it is urgent to develop a more safe overcharge testing equipment. SUMMARY

[0003] The utility model discloses a safe control's lithium ion battery overcharge upper cabinet testing arrangement, and the lithium ion battery is isolated and placed in the cabinet body in the testing process, reduces the risk of chain reaction caused by battery failure, and further improves the safety.

[0004] To achieve the above object, the utility model provides a safe control's lithium ion battery overcharge upper cabinet testing arrangement, including overcharge tester, one side of overcharge tester is equipped with the cabinet body, is equipped with the heat abstractor on the rear side wall of cabinet body, is equipped with the control device on the front side door panel of cabinet body, is equipped with the stand in the cabinet body both sides, is equipped with a plurality of parallelly arranged support plates between two stands, the middle part of support plate is equipped with battery fixing device, battery fixing device includes fixed base, the upper side of fixed base is equipped with fixed assembly and adjusting assembly respectively, is equipped with positive contact plate on fixed assembly, is equipped with negative contact plate on adjusting assembly, positive contact plate and negative contact plate all with overcharge tester electric connection.

[0005] The lower side in the cabinet body is equipped with temperature sensor no. 1, and the upper side in the cabinet body is equipped with temperature sensor no. 2, temperature sensor no. 1 and temperature sensor no. 2 with control device electric connection.

[0006] Preferably, the fixed assembly includes a support block one and a mounting plate one, the mounting plate one is fixedly connected to the upper side of the support block one, the positive contact plate is connected to the inward side of the mounting plate one, the adjusting assembly includes a support block two, a fixed block and a mounting plate two, the fixed block is fixedly connected to the upper side of the support block two, a limiting column is arranged between the fixed block and the mounting plate one, the mounting plate two is slidingly connected to one side of the limiting column, the negative contact plate is connected to the inward side of the mounting plate two, the top of the fixed block is provided with an adjusting hole, the outward side of the mounting plate two is provided with an adjusting rod, and the adjusting rod is connected with the adjusting hole through threads.

[0007] Preferably, the heat dissipation device comprises a heat dissipation fan one and heat dissipation holes, the heat dissipation holes are provided with a plurality of heat dissipation holes, and the plurality of heat dissipation holes are located at the middle of the rear side wall, and the heat dissipation fan one is arranged on both sides of the heat dissipation holes.

[0008] Preferably, the top of the cabinet body is provided with a heat dissipation fan two, the heat dissipation fan one and the heat dissipation fan two are electrically connected with the control device, and the control device is provided with an alarm device on one side.

[0009] Preferably, a plurality of uniformly distributed mounting holes are arranged on the stand column, the mounting holes are connected with one end of the hanging buckle in a clamping mode, and the other end of the hanging buckle is fixedly connected with the supporting plate.

[0010] Preferably, the bottom of the cabinet body is connected with a walking wheel through a universal shaft, and the walking wheel is provided with a brake pad on one side.

[0011] Preferably, the bottom of the cabinet body is connected with a walking wheel through a universal shaft, and the walking wheel is provided with a brake pad on one side.

[0012] Preferably, the bottom of the cabinet body is connected with a walking wheel through a universal shaft, and the walking wheel is provided with a brake pad on one side.

[0013] Therefore, the safety control lithium ion battery overcharge upper cabinet testing device adopts the above structure, the adjustable battery fixing device can adapt to lithium ion batteries of different sizes, and the universality of the testing device is improved; the design of the adjustable supporting plate spacing, the walking wheel and the threading hole makes the testing device more convenient and flexible during use; the setting of the heat dissipation device and the temperature sensor can effectively monitor and control the temperature in the cabinet body, and the safety of the testing process and the accuracy of the test results are improved.

[0014] The technical scheme of the utility model is further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of a safety control lithium ion battery overcharge upper cabinet testing device of the utility model;

[0016] Figure 2 is a partial schematic view of the lower part of the cabinet body of the utility model;

[0017] Figure 3 is a schematic view of the internal structure of the cabinet body of the utility model;

[0018] Figure 4 is a plane schematic view of the cabinet body of the utility model after the door plate is opened;

[0019] Figure 5 is a schematic view of the battery fixing device of the utility model.

[0020] Figure label:

[0021] 1. Overcharge tester; 2. Cabinet; 21. Door panel; 22. Upright; 221. Mounting hole; 23. Support plate; 24. Hook; 3. Heat dissipation device; 31. Cooling fan one; 32. Heat dissipation hole; 4. Cooling fan two; 5. Control device; 6. Alarm device; 7. Temperature sensor one; 8. Temperature sensor two;

[0022] 9. Battery fixing device; 91. Fixing base; 92. Fixing component; 921. Support block one; 922. Mounting plate one; 923. Positive contact plate; 93. Adjustment component; 931. Support block two; 932. Fixing block; 933. Mounting plate two; 934. Limiting post; 935. Negative contact plate; 936. Adjustment hole; 937. Adjustment rod; 10. Traveling wheel; 11. Cable hole; 12. Crossbeam; 13. Hinge; 14. Lock. Detailed Implementation

[0023] The present invention will be further described below with reference to the accompanying drawings and embodiments. Unless otherwise defined, the technical or scientific terms used in this invention should have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The features mentioned above or in the specific examples mentioned in this invention can be combined arbitrarily, and these specific embodiments are only used to illustrate this invention and are not intended to limit the scope of this invention.

[0024] Example

[0025] like Figures 1 to 5 As shown, this utility model provides a safe control lithium-ion battery overcharge test cabinet device, including an overcharge tester 1, a cabinet 2 on one side of the overcharge tester 1, a control device 5 on the front door panel 21 of the cabinet 2, and a heat dissipation device 3 on the rear wall of the cabinet 2. The heat dissipation device 3 includes a cooling fan 31 and multiple heat dissipation holes 32 located in the middle of the rear wall. The cooling fan 31 is located on both sides of the heat dissipation holes 32. A second cooling fan 4 is located on the top of the cabinet 2. Both the cooling fan 31 and the second cooling fan 4 are electrically connected to the control device 5. An alarm device 6 is located on one side of the control device 5. The cooling fan 31 and the second cooling fan 4 can draw in external cold air into the cabinet 2 and expel hot air through the heat dissipation holes 32, realizing efficient air circulation inside the cabinet 2. This ensures that the heat generated by the lithium-ion battery during the overcharge test can be dissipated in a timely and effective manner, greatly improving the safety of the test process.

[0026] The temperature sensor one 7 is arranged on the lower side of the cabinet 2, and the temperature sensor two 8 is arranged on the upper side of the cabinet 2. The temperature sensor one 7 and the temperature sensor two 8 are electrically connected with the control device 5. The control device 5 is a prior art, and thus will not be described in detail. When the temperature sensor one 7 or the temperature sensor two 8 detects that the temperature in the cabinet 2 exceeds a set threshold, the control device 5 controls the heat dissipation fan one 31 and the heat dissipation fan two 4 to speed up the operation, enhances the heat dissipation effect, and at the same time triggers the alarm device 6 to remind the operator to pay attention.

[0027] The cabinet 2 is provided with two vertical columns 22, and a plurality of support plates 23 are arranged parallel to each other between the two vertical columns 22. The vertical column 22 is provided with a plurality of uniformly distributed mounting holes 221, and one end of the hanging buckle 24 is connected with the mounting hole 221 through clamping connection, and the other end of the hanging buckle 24 is fixedly connected with the support plate 23. By adjusting the position of the hanging buckle 24 in different mounting holes 221, the distance between the support plates 23 can be adjusted, and different sizes of support plates 23 can be replaced as needed, so that the device has a wider range of uses, and not only can be used for testing lithium ion batteries, but also can be used for storing different specifications of articles in daily use.

[0028] The middle part of the support plate 23 is provided with a battery fixing device 9, which can stably fix the battery in the cabinet 2 for testing, greatly improving the safety of the testing process. The battery fixing device 9 includes a fixed base 91, and a fixed assembly 92 and an adjusting assembly 93 are arranged on the upper side of the fixed base 91. The fixed assembly 92 is provided with a positive contact plate 923, and the adjusting assembly 93 is provided with a negative contact plate 935. The positive and negative electrodes of the lithium ion battery are connected with the positive contact plate 923 and the negative contact plate 935 respectively. The positive contact plate 923 and the negative contact plate 935 are electrically connected with the overcharge tester 1. The overcharge tester 1 can perform overcharge operation on the battery according to the preset test parameters such as charging voltage, current and time, and can monitor the various electrical performance data of the battery in the overcharge process in real time, so as to complete the test of the overcharge condition of the lithium ion battery.

[0029] The fixing assembly 92 comprises a support block 921 and a mounting plate 922 fixedly connected to the upper side of the support block 921, and the positive contact plate 923 is connected to the inner side of the mounting plate 922, and the adjusting assembly 93 comprises a support block 931, a fixing block 932 and a mounting plate 932, the fixing block 932 is fixedly connected to the upper side of the support block 931, the limiting column 934 is arranged between the fixing block 932 and the mounting plate 922, the mounting plate 932 is slidingly connected to the side of the limiting column 934, the negative contact plate 935 is connected to the inner side of the mounting plate 932, the top of the fixing block 932 is provided with the adjusting hole 936, the outer side of the mounting plate 932 is provided with the adjusting rod 937, and the adjusting rod 937 is connected with the adjusting hole 936 through the thread. By rotating the adjusting rod 937, the mounting plate 932 can slide along the limiting column 934, so that the distance between the negative contact plate 935 and the positive contact plate 923 is adjusted to adapt to different sizes of batteries.

[0030] The bottom of the cabinet body 2 is connected with the walking wheel 10 through the universal shaft, and the walking wheel 10 is provided with brake pads on one side. The movement and fixation of the test device are facilitated, and the use flexibility of the test device is improved.

[0031] The wire holes 11 are arranged on the lower sides of the cabinet body 2. The wire holes 11 facilitate the connection of the wires between the overcharge tester 1 and the battery fixing device 9, and are also beneficial to the arrangement and protection of the wires.

[0032] The bottom of the door plate 21 is provided with the cross beam 12, one end of the cross beam 12 is connected with the cabinet body 2 through the hinge 13, and the other end of the cross beam 12 is connected with the cabinet body 2 through the lock catch 14. The bottom cross beam 12 can be opened along with the door plate 21, and the opening and closing of the door plate 21 is not hindered, so that the bottom cross beam 12 can effectively seal the cabinet body 2 when the door plate 21 is closed, and the opening and closing of the battery in the cabinet is facilitated when the door plate 21 is opened.

[0033] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can still be modified or replaced, and these modifications or replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A safety control device for testing overcharge of lithium-ion batteries, comprising an overcharge tester, characterized in that: The overcharge tester has a cabinet on one side, a heat dissipation device on the rear wall of the cabinet, a control device on the front door panel of the cabinet, columns on both sides inside the cabinet, and several parallel support plates between the two columns. A battery fixing device is located in the middle of the support plate. The battery fixing device includes a fixing base. A fixing component and an adjustment component are respectively located on the upper two sides of the fixing base. A positive contact plate is provided on the fixing component, and a negative contact plate is provided on the adjustment component. Both the positive and negative contact plates are electrically connected to the overcharge tester. Temperature sensor 1 is located on the lower side of the cabinet, and temperature sensor 2 is located on the upper side of the cabinet. Temperature sensor 1 and temperature sensor 2 are electrically connected to the control device.

2. The lithium-ion battery overcharge test device for safety control according to claim 1, characterized in that: The fixing component includes a support block 1 and a mounting plate 1. The mounting plate 1 is fixedly connected to the upper side of the support block 1. The positive electrode contact plate is connected to the inward side of the mounting plate 1. The adjusting component includes a support block 2, a fixing block, and a mounting plate 2. The fixing block is fixedly connected to the upper side of the support block 2. A limiting post is provided between the fixing block and the mounting plate 1. The mounting plate 2 is slidably connected to one side of the limiting post. The negative electrode contact plate is connected to the inward side of the mounting plate 2. An adjusting hole is provided on the top of the fixing block. An adjusting rod is provided on the outward side of the mounting plate 2. The adjusting rod is connected to the adjusting hole by a thread.

3. The lithium-ion battery overcharge test device for safety control according to claim 1, characterized in that: The heat dissipation device includes a cooling fan and multiple heat dissipation holes, which are located in the middle of the rear side wall. The cooling fan is located on both sides of the heat dissipation holes.

4. The lithium-ion battery overcharge test device for safety control according to claim 3, characterized in that: The top of the cabinet is equipped with a second cooling fan. Both the first and second cooling fans are electrically connected to the control device, and an alarm device is installed on one side of the control device.

5. The lithium-ion battery overcharge test device for safety control according to claim 1, characterized in that: The column has several evenly distributed mounting holes. The mounting holes are snapped into one end of the hook, and the other end of the hook is fixedly connected to the support plate.

6. The lithium-ion battery overcharge test device for safety control according to claim 1, characterized in that: The bottom of the cabinet is connected to casters via a universal joint, and a brake pad is provided on one side of each caster.

7. The lithium-ion battery overcharge test device for safety control according to claim 1, characterized in that: The cabinet has wire holes on both sides at the bottom.

8. The lithium-ion battery overcharge test device for safety control according to claim 1, characterized in that: The bottom of the door panel is equipped with a crossbeam. One end of the crossbeam is connected to the cabinet body via a hinge, and the other end of the crossbeam is connected to the cabinet body via a latch.

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