Cell open-circuit voltage detection device

Abstract

The utility model discloses a cell open-circuit voltage detection device, which comprises a wedge-shaped support, a detection template arranged on the inclined surface of the wedge-shaped support, a cylinder arranged on the detection template, a lifting plate connected with the cylinder, and a detection head arranged on the lifting plate, wherein the bottom of the detection template is provided with a bottom positioning plate; the back of the detection template is provided with a left side positioning member and a right side positioning member, and the detection template is provided with a button. A battery cell is placed on the bottom positioning plate and obliquely leans against the detection template, the battery cell presses the button, and the button acts on the right side positioning piece and the left side positioning piece, so that the battery cell is positioned. Afterwards, the air cylinder drives the detection head to descend, the detection head abuts against the battery tab, and the voltage of the battery cell is detected. The left positioning piece and the right positioning piece can accurately position the battery cell, so that a pair of descending detection heads can accurately abut against a pair of battery tabs of the battery cell, smooth detection is facilitated, and the accuracy of a detection result is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the battery field, concretely relates to lithium battery detection equipment. BACKGROUND

[0002] In order to guarantee the quality safety of battery, need to carry out open circuit voltage detection to the battery cell in the battery during the manufacturing process of battery. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical issue: provide a kind of battery cell open circuit voltage detection device.

[0004] To solve the above technical problem, the utility model provides the following technical scheme: a kind of battery cell open circuit voltage detection device, including wedge-shaped support, detection template installed on the inclined plane of wedge-shaped support, cylinder installed on detection template, lift plate block connected with cylinder, detection head is set on lift plate block, the bottom of detection template is equipped with bottom positioning plate, the back of detection template is equipped with left side positioning piece and right side positioning piece, the left end of left side positioning piece is equipped with left positioning head, the right end of left side positioning piece is equipped with right wedge-shaped block, the right end of right side positioning piece is equipped with right positioning head, and the left end of right side positioning piece is equipped with left wedge-shaped block;Left positioning head is bent to the left side of detection template, and right positioning head is bent to the right side of detection template;Detection template is equipped with button, and button is located below detection head, the back of button is equipped with top pressure part, and top pressure part is located between left wedge-shaped block and right wedge-shaped block, and button is matched with reset spring.

[0005] According to the above technical scheme, the battery cell is placed on the bottom positioning plate, and is inclined and leans on the detection template, the battery cell presses the button, the button is retracted into the detection template, the top pressure part of the button is retracted, and is applied to the left wedge-shaped block and the right wedge-shaped block, so that the right side positioning piece moves left, the left side positioning piece moves right, and then, the left positioning head and the right positioning head clamp the battery cell, so that the battery cell is positioned. Then, the cylinder drives the detection head to descend, and the detection head is abutted with the battery tab, so as to detect the voltage of the battery cell.

[0006] The left side positioning piece and the right side positioning piece of the utility model can accurately position the battery cell, so that the pair of detection heads descending can be accurately abutted with the pair of battery tabs of the battery cell, which is beneficial to the smooth detection, and is beneficial to the accuracy of detection result.

[0007] The back of detection template is equipped with back plate, spring seat is fixed on back plate, one end of reset spring is fitted in spring seat, and the other end of reset spring is fitted in spring hole of button. Assembly space is formed between back plate and detection template, and back plate is fixedly installed on the back of detection template.

[0008] The number of spring hole is a pair, and is distributed on the upper and lower sides of top pressure part.

[0009] The back of the detection template is provided with a guide piece, and the left positioning piece and the right positioning piece are movably matched in the guide holes of the guide piece.

[0010] The number of the guide pieces is a pair, and the pair of guide pieces are distributed on the left and right sides of the button.

[0011] As an improvement, the spring hole is provided with a pressing piece, and the spring seat is provided with a cylinder valve pressing switch. The battery is placed on the bottom positioning plate and leans on the detection template, the battery presses the button, the button is retracted into the detection template, the top of the button is retracted, the left and right wedge blocks are pressed, the right positioning piece moves left, the left positioning piece moves right, and then the left and right positioning heads clamp the battery, so that the battery is positioned. At the same time, the cylinder valve pressing switch is pressed by the pressing piece, high-pressure gas enters the cylinder, the cylinder drives the detection head to descend, the detection head is in contact with the battery tab, and the voltage of the battery is detected. In this way, the convenience and efficiency of detection are improved, and the worker does not need to manually press the cylinder valve pressing switch after positioning the battery.

[0012] As an improvement, the inclined surface of the wedge-shaped support is provided with a positioning hole, and the back plate is directly matched in the positioning hole, so that the detection template is positioned on the wedge-shaped support. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further described below in combination with the drawings:

[0014] Figure 1 It is a schematic diagram of the battery open circuit voltage detection device;

[0015] Figure 2 It is Figure 1 It is a schematic diagram of the detection template 20 in the direction of A;

[0016] Figure 3 It is Figure 2 It is a sectional view in the direction of B-B;

[0017] Figure 4 It is Figure 2 It is a sectional view in the direction of C-C;

[0018] Figure 5 It is Figure 2 It is a sectional view in the direction of D-D;

[0019] Figure 6 It is Figure 2 It is a top view;

[0020] Figure 7 It is Figure 2 It is a sectional view in the direction of E-E.

[0021] Explanation of symbols in the drawings:

[0022] 10, wedge-shaped support;

[0023] 20, detection template; 21, back plate; 22, spring seat; 23, guide; 24, bottom positioning plate;

[0024] 30, air cylinder; 31, lifting plate block; 32, detection head; 33, air cylinder valve pressing type switch;

[0025] 40, left positioning member; 41, left positioning head; 42, right wedge-shaped block;

[0026] 50, right positioning member; 51, right positioning head; 52, left wedge-shaped block;

[0027] 60, button; 61, top pressing part; 62, return spring; 63, pressing member; 64, button limiting screw. DETAILED DESCRIPTION

[0028] In combination Figures 1 to 4 and Figure 7 A kind of open-circuit voltage detection device of battery, including wedge-shaped support 10, detection template 20 being installed on the inclined plane of wedge-shaped support, air cylinder 30 being installed on detection template, lifting plate block 31 being connected with air cylinder, detection head 32 being arranged on lifting plate block, the bottom of detection template is equipped with bottom positioning plate 24, the back of detection template is equipped with left positioning member 40 and right positioning member 50, the left end of left positioning member is equipped with left positioning head 41, the right end of left positioning member is equipped with right wedge-shaped block 42, the right end of right positioning member is equipped with right positioning head 51, the left end of right positioning member is equipped with left wedge-shaped block 52;Left positioning head is bent forward to the left side of detection template 20, right positioning head is bent forward to the right side of detection template.

[0029] Button 60 is equipped on detection template, button is located below detection head, the back of button is equipped with top pressing part 61, top pressing part is located between left wedge-shaped block and right wedge-shaped block, button is equipped with return spring 62.

[0030] The back of detection template 20 is equipped with back plate 21, spring seat 22 is fixed on back plate, one end of return spring 62 is fitted in spring seat, the other end of return spring is fitted in spring hole position of button 60.

[0031] As Figure 4 , the number of spring hole position is a pair, is distributed in the upper and lower sides of top pressing part 61.

[0032] As Figure 5 , the back of detection template 20 is equipped with guide 23, left positioning member 40 and right positioning member 50 are movably fitted in the guide hole of guide.

[0033] The number of the guide 23 is a pair, and the pair of guides are distributed on the left and right sides of the button 60. The left positioning member 40 and the right positioning member 50 are matched in the pair of guides.

[0034] As Figure 4 The spring hole position is provided with a pressing member 63, and the spring seat 22 is provided with a cylinder valve pressing type switch 33.

[0035] The battery cell is placed on the bottom positioning plate 24 and leans on the detection template 20. The battery cell presses the button 60, so that the button is retracted into the detection template. The top pressing part 61 of the button retreats, and acts on the left wedge block 52 and the right wedge block 42, so that the right positioning member 50 moves left, and the left positioning member 40 moves right. Further, the left positioning head 41 and the right positioning head 51 clamp the battery cell, so that the battery cell is positioned. At the same time, the cylinder valve pressing type switch 33 is pressed by the pressing member 63, high-pressure gas enters the cylinder 30, the cylinder drives the detection head 32 to descend, and the detection head is abutted against the battery tab, so that the voltage of the battery cell is detected.

[0036] The above is only the preferred embodiment of the present application. For the ordinary skilled in the art, the specific embodiment and the application range can be changed according to the idea of the present application. The content of the specification should not be understood as the limitation of the present application.

Claims

1. An open-circuit voltage detection device for an electric cell, comprising a wedge-shaped support (10), a detection template (20) mounted on the inclined surface of the wedge-shaped support, an air cylinder (30) mounted on the detection template, a lifting plate (31) connected with the air cylinder, a detection head (32) arranged on the lifting plate, and a bottom positioning plate (24) arranged at the bottom of the detection template, characterized in that: The back of the detection template is provided with a left positioning member (40) and a right positioning member (50), the left end of the left positioning member is provided with a left positioning head (41), the right end of the left positioning member is provided with a right wedge-shaped block (42), the right end of the right positioning member is provided with a right positioning head (51), and the left end of the right positioning member is provided with a left wedge-shaped block (52); the left positioning head is bent forward to the left side of the detection template (20), and the right positioning head is bent forward to the right side of the detection template; A button (60) is arranged on the detection template and located below the detection head, the back of the button is provided with a pressing part (61) located between the left wedge-shaped block and the right wedge-shaped block, and the button is matched with a return spring (62).

2. The cell open circuit voltage detection apparatus according to claim 1, wherein: The back of the detection template (20) is provided with a back plate (21), the back plate is fixed with a spring seat (22), one end of the return spring (62) is matched in the spring seat, and the other end of the return spring is matched in a spring hole position of the button (60).

3. The cell open circuit voltage detection apparatus according to claim 2, wherein: The number of the spring hole positions is a pair, and the spring hole positions are distributed on the upper and lower sides of the pressing part (61).

4. The cell open circuit voltage detection apparatus according to claim 1, wherein: The back of the detection template (20) is provided with a guide member (23), and the left positioning member (40) and the right positioning member (50) are movably matched in guide holes of the guide member.

5. The cell open circuit voltage detection apparatus according to claim 4, wherein: The number of the guide members (23) is a pair, and the pair of guide members are distributed on the left and right sides of the button (60), and the left positioning member (40) and the right positioning member (50) are matched in the pair of guide members.

6. The cell open circuit voltage detection apparatus according to claim 2, wherein: The spring hole position is provided with a pressing member (63), and the spring seat (22) is provided with a cylinder valve pressing type switch (33).

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