Battery OCV detection tool

Abstract

The utility model relates to a battery OCV detection tool, which comprises a battery placing structure, a first battery probe unit and a second battery probe unit, and is characterized in that the top of the battery placing structure is provided with a positioning groove for placing a battery to be detected along a first direction; the first battery probe unit and the second battery probe unit are coaxially arranged on two sides of the battery placement structure along a first direction; and the moving part of the second battery probe unit can move along the first direction so as to be close to or far away from the battery placing structure. A to-be-tested battery is placed in a positioning groove in the top of a battery placement structure, so that one pole of the to-be-tested battery is in contact with a first battery probe unit, and then a moving part of a second battery probe unit moves along a first direction to be close to the other pole of the to-be-tested battery; the two electrodes of the to-be-detected battery are in contact with the first battery probe unit and the second battery probe unit respectively, so that the OCV of the to-be-detected battery is automatically detected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to battery detection technical field, concretely relates to a battery OCV detection frock. BACKGROUND

[0002] The open-circuit voltage (OCV) detection of the secondary battery refers to the measurement of the voltage difference between the positive and negative electrodes of the battery when the battery is completely disconnected from the external circuit. The OCV value is directly related to the electromotive force inside the battery and is a core indicator for evaluating the performance of the battery.

[0003] The prior art relies on manual positioning of the positive and negative ends of the battery to be tested to the test point. After the positive and negative probes are completely in good contact, the instrument data is displayed and determined, and the OCV value is obtained. The operation is difficult and the probes are easily damaged. UTILITY MODEL CONTENT

[0004] To solve the above problems in the prior art, the utility model provides a battery OCV detection frock. The technical problem to be solved by the utility model is solved through the following technical scheme:

[0005] A battery OCV detection frock, comprising: a battery placement structure, a first battery probe unit, and a second battery probe unit, wherein,

[0006] The top of the battery placement structure is provided with a positioning groove for placing the battery to be tested along a first direction;

[0007] The first battery probe unit and the second battery probe unit are coaxially arranged on both sides of the battery placement structure along the first direction;

[0008] The moving part of the second battery probe unit can move along the first direction to approach or move away from the battery placement structure.

[0009] In an implementable manner, the top of the battery placement structure is provided with a circular arc groove along a second direction;

[0010] The second direction is perpendicular to the first direction.

[0011] In an implementable manner, the positioning groove is a V-shaped groove.

[0012] In an implementable manner, the first battery probe unit comprises a negative probe and a first fixing structure;

[0013] The first fixing structure is fixedly arranged on one side of the battery placement structure along the first direction;

[0014] The negative probe is fixedly arranged in the first fixing structure along the first direction.

[0015] In an implementable manner, the second battery probe unit comprises a driving structure, a second fixing structure and a positive probe.

[0016] The fixed end of the driving structure is fixedly arranged at the other side of the battery placement structure along the first direction.

[0017] The output end of the driving structure is fixedly connected with the second fixing structure, and the output end of the driving structure can drive the second fixing structure to move along the first direction.

[0018] The positive probe is fixedly arranged in the second fixing structure along the first direction.

[0019] In an implementable manner, the negative probe and the positive probe are coaxially arranged.

[0020] In an implementable manner, the second battery probe unit further comprises a third fixing structure.

[0021] The fixed end of the driving structure is fixedly arranged at the other side of the battery placement structure along the first direction through the third fixing structure.

[0022] In an implementable manner, the driving structure comprises a cylinder.

[0023] In an implementable manner, the first battery probe unit further comprises a proximity switch.

[0024] The detection surface of the proximity switch is arranged towards the battery placement structure.

[0025] The proximity switch is electrically connected with the driving structure through a time relay.

[0026] Compared with the prior art, the battery OCV detection tool has the following beneficial effects:

[0027] The battery OCV detection tool provided by the utility model places the battery to be detected in the positioning groove on the top of the battery placement structure, so that one pole of the battery to be detected contacts the first battery probe unit, and then the moving part of the second battery probe unit moves along the first direction to approach the other pole of the battery to be detected, so that the two poles of the battery to be detected contact the first battery probe unit and the second battery probe unit respectively, and the OCV of the battery to be detected is automatically detected. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a structural schematic view of the battery OCV detection tool in the embodiment of the utility model;

[0029] Figure 2 is a schematic view of the battery OCV detection tool in use in the embodiment of the utility model.

[0030] Reference signs:

[0031] 1: battery placement structure; 11: positioning groove; 12: circular arc groove; 2: first battery probe unit; 21: negative probe; 22: proximity switch; 23: first fixing structure; 3: second battery probe unit; 31: driving structure; 32: second fixing structure; 33: positive probe; 4: battery to be tested. DETAILED DESCRIPTION

[0032] The utility model will be described in further detail below in combination with specific embodiments, but the implementation of the utility model is not limited thereto.

[0033] Example one

[0034] Please see Figure 1 and Figure 2 , Figure 1 is a structural schematic diagram of a battery OCV detection tool in the embodiment of the utility model, Figure 2 is a schematic diagram of the use of a battery OCV detection tool in the embodiment of the utility model.

[0035] The battery OCV detection tool provided in the embodiment comprises a battery placement structure 1, a first battery probe unit 2 and a second battery probe unit 3. The top of the battery placement structure 1 is provided with a positioning groove 11 along a first direction for placing a battery to be tested 4. The first battery probe unit 2 and the second battery probe unit 3 are coaxially arranged on both sides of the battery placement structure 1 along the first direction. The moving part of the second battery probe unit 3 can move along the first direction to approach or move away from the battery placement structure 1.

[0036] Specifically, the battery to be tested 4 is placed in the positioning groove 11 on the top of the battery placement structure 1, so that one pole of the battery to be tested 4 contacts the first battery probe unit 2, and then the moving part of the second battery probe unit 3 moves along the first direction to approach the other pole of the battery to be tested 4, so that the two poles of the battery to be tested 4 respectively contact the first battery probe unit 2 and the second battery probe unit 3, and then the OCV of the battery to be tested 4 is automatically detected.

[0037] In the embodiment, the top of the battery placement structure 1 is provided with a circular arc groove 12 along a second direction. The second direction is perpendicular to the first direction, and the positioning groove 11 is a V-shaped groove. Further, the positioning groove 11 is a V-shaped groove with a flat bottom, i.e. an inverted trapezoidal groove. The circular arc groove 12 is used to assist the positioning groove 11 in positioning the battery to be tested 4, and the size of the circular arc groove 12 and the positioning groove 11 can be determined according to the size of the battery to be tested 4.

[0038] In the embodiment, the second battery probe unit 3, the battery placing structure 1 and the first battery probe unit 2 are sequentially arranged on the workbench from left to right.

[0039] In the embodiment, the first battery probe unit 2 comprises a negative probe 21 and a first fixing structure 23. The first fixing structure 23 is fixedly arranged on one side of the battery placing structure 1 along the first direction. The negative probe 21 is fixedly arranged in the first fixing structure 23 along the first direction.

[0040] Specifically, as shown in Figure 1 the first fixing structure 23 is an L-shaped fixing plate, the horizontal part of which is fixed on the right side of the battery placing structure 1, and the vertical part of which is provided with a hole, and the negative probe 21 is arranged in the hole of the vertical part, the detection surface of the negative probe 21 faces the battery placing structure 1, and the negative probe 21 is electrically connected to the internal resistance tester.

[0041] In the embodiment, the second battery probe unit 3 comprises a driving structure 31, a second fixing structure 32, a third fixing structure and a positive probe 33. The fixed end of the driving structure 31 is fixedly arranged on the other side of the battery placing structure 1 along the first direction. The output end of the driving structure 31 is fixedly connected to the second fixing structure 32, and the output end of the driving structure 31 can drive the second fixing structure 32 to move along the first direction. The positive probe 33 is fixedly arranged in the second fixing structure 32 along the first direction. The fixed end of the driving structure 31 is fixedly arranged on the other side of the battery placing structure 1 along the first direction through the third fixing structure.

[0042] Specifically, the driving structure 31 comprises a pneumatic cylinder. The second fixing structure 32 and the third fixing structure are both L-shaped fixing plates, the shell of the driving structure 31 is fixedly connected to the third fixing structure, the output end of the driving structure 31 is fixedly connected to the second fixing structure 32, and the output end of the driving structure 31 moves along the first direction to drive the second fixing structure 32 to move along the first direction, so as to realize the positive probe 33 to approach or move away from the battery placing structure 1. In the embodiment, the third fixing structure is used to coaxially arrange the output end of the driving structure 31 and the negative probe 21, so as to coaxially arrange the negative probe 21 and the positive probe 33, to ensure that the negative probe 21 and the positive probe 33 can respectively contact the negative electrode and the positive electrode of the battery 4 to be tested.

[0043] In the embodiment, the first battery probe unit 2 further comprises a proximity switch 22. The detection surface of the proximity switch 22 faces the battery placing structure 1. The proximity switch 22 is electrically connected to the driving structure 31 through a time relay.

[0044] Specifically, when the battery to be tested 4 is placed, as the battery to be tested 4 approaches the proximity switch 22 until the negative pole of the battery to be tested 4 contacts the negative pole probe 21, the proximity switch 22 responds, the time relay drives the air cylinder to drive the positive pole probe 33 to accurately and effectively contact the positive pole of the battery to be tested 4, the time relay keeps the internal resistance tester to respond and display the test value for a set time, after the test is completed, the time relay drives the air cylinder to reset, and the test is completed.

[0045] The battery OCV detection tool provided in the embodiment is used for placing the battery to be tested 4 in the positioning groove 11 at the top of the battery placing structure 1, so that one pole of the battery to be tested 4 contacts the first battery probe unit 2, and then the moving part of the second battery probe unit 3 is moved in the first direction to approach the other pole of the battery to be tested 4, so that the two poles of the battery to be tested 4 respectively contact the first battery probe unit 2 and the second battery probe unit 3, and the OCV of the battery to be tested 4 is automatically detected.

[0046] The above is a further detailed description of the utility model in combination with the specific preferred embodiments, and the specific implementation of the utility model cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all of them should be regarded as falling within the protection scope of the utility model.

Claims

1. A battery OCV detection tool, characterized in that, The utility model relates to a battery test device, including: Battery placement structure (1), first battery probe unit (2) and second battery probe unit (3), wherein, The top of battery placement structure (1) is provided with positioning groove (11) for placing battery (4) to be tested along the first direction; The first battery probe unit (2) and the second battery probe unit (3) are coaxially arranged on both sides of the battery placement structure (1) along the first direction; The moving part of the second battery probe unit (3) can move along the first direction to approach or away from the battery placement structure (1).

2. The battery OCV detection tool of claim 1, wherein, The top of battery placement structure (1) is provided with circular arc groove (12) along the second direction; The second direction and the first direction are perpendicular.

3. The battery OCV detection tool of claim 1, wherein, The positioning groove (11) is a V-shaped groove.

4. The battery OCV detection tool of claim 1, wherein, The first battery probe unit (2) includes: negative probe (21) and first fixed structure (23); The first fixed structure (23) is fixedly arranged on one side of the battery placement structure (1) along the first direction; The negative probe (21) is fixedly provided in the first fixed structure (23) along the first direction.

5. The battery OCV detection tool of claim 4, wherein, The second battery probe unit (3) includes: drive structure (31), second fixed structure (32) and positive probe (33); The fixed end of the drive structure (31) is fixedly arranged on the other side of the battery placement structure (1) along the first direction; The output end of the drive structure (31) is fixedly connected with the second fixed structure (32), and the output end of the drive structure (31) can drive the second fixed structure (32) to move along the first direction; The positive probe (33) is fixedly provided in the second fixed structure (32) along the first direction.

6. The battery OCV detection tool of claim 5, wherein, The negative probe (21) and the positive probe (33) are coaxially arranged.

7. The battery OCV detection tool of claim 5, wherein, The second battery probe unit (3) further includes: third fixed structure; The fixed end of the drive structure (31) is fixedly arranged on the other side of the battery placement structure (1) along the first direction through the third fixed structure.

8. The battery OCV detection tool of claim 5, wherein, The drive structure (31) includes: air cylinder.

9. The battery OCV detection tool of claim 8, wherein, The first battery probe unit (2) further includes: proximity switch (22); The detection surface of the proximity switch (22) is arranged towards the battery placement structure (1); The proximity switch (22) is electrically connected with the drive structure (31) through time relay.

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