Battery short circuit insulation test tool

By designing a combination of support mechanisms and probes, automated short-circuit insulation testing of the battery's positive and negative electrodes and casing was achieved, solving the problem of incomplete testing in existing technologies and improving the detection accuracy and product quality during battery manufacturing.

CN223471134UActive Publication Date: 2025-10-24ZHEJIANG GAIA NEW ENERGY CO LTD

Patent Information

Application Number
CN202422624036.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-10-24
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

Existing battery short-circuit testing fixtures can only test the positive and negative terminals of the battery, and cannot comprehensively detect the short-circuit insulation between the positive terminal and the casing, or between the negative terminal and the casing, which affects the comprehensiveness of the test and the product quality.

Method used

A battery short-circuit insulation test fixture was designed, comprising a support mechanism, a load-bearing mechanism, a positive electrode probe, a negative electrode probe, and a casing probe. Through a displacement mechanism and an auxiliary mechanism, the fixture enables automated detection of the battery's positive electrode, negative electrode, and casing. It can also be used in conjunction with an external insulation tester to perform multi-faceted short-circuit insulation tests.

Benefits of technology

It enables comprehensive short-circuit insulation testing of the battery's positive and negative terminals and casing, improving the comprehensiveness and accuracy of the test, and is applicable to mature fully automated battery manufacturing equipment and processes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a battery short circuit insulation test tool comprising a supporting mechanism, a bearing mechanism used for bearing a battery is arranged on the supporting mechanism, a positive electrode probe is arranged above the bearing mechanism, and a negative electrode probe and a shell probe are arranged on the bearing mechanism. A displacement mechanism for driving the positive electrode probe to move and an auxiliary mechanism for detecting the positive electrode position of the battery are arranged on the supporting mechanism. According to the utility model, the battery is arranged in the bearing mechanism, the positive probe, the negative probe and the shell probe are matched for use to respectively realize contact with the positive electrode, the negative electrode and the shell of the battery, and an external insulation tester is matched to realize short-circuit insulation tests of the positive electrode and the negative electrode of the battery, the negative electrode of the battery and the shell and the positive electrode of the battery and the shell at the same time; the whole structure is simple, the problem that the testing effect of a single positive electrode and a single negative electrode is poor is solved, multi-aspect testing in a compact structure is achieved, and the short-circuit insulation testing effect is remarkable.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to battery test tool technical field, concretely relates to a battery short circuit insulation test tool. BACKGROUND

[0002] Battery as the device of chemical energy conversion into electric energy has the division of positive pole, negative pole.

[0003] Battery production process is exposed to the environment, the dust in the air can be attached to the battery pole piece or diaphragm when the battery is wound, and the fine dust is stored in the battery, which can cause the battery internal short circuit insulation value to be substandard, and the battery needs to be tested for short circuit insulation after completing the air tightness test to prevent short circuit battery from flowing to the next process and affecting product quality.

[0004] The short circuit insulation test tool tests the positive and negative poles, the positive pole and the shell, and the negative pole and the shell of the battery after production and assembly, tests the battery by applying voltage to the battery through an insulation tester, removes hidden dangers caused by dust or burr particles damaging the diaphragm in the battery production process, and discharges unqualified battery cores to avoid product quality problems caused by short circuit insulation.

[0005] The patent document with publication number CN221100815U discloses a battery short circuit test tool, which comprises a base, a first contact plate and a second contact plate, the first contact plate and the second contact plate are coaxially arranged on the base, the first contact plate is fixed above the base, and the second contact plate is movably installed on the base and moves towards or away from the first contact plate. When testing, the positive and negative poles of the resistance tester do not need to be pressed on both ends of the battery by the staff all the time, which improves the safety of the testing process, saves manpower, and improves the measurement accuracy; the battery is positioned by the supporting piece to prevent the battery from deviating during testing and affecting the test results, further improving the test accuracy; the second contact plate is provided with an adjusting spring at the back, so that the device can flexibly adapt to batteries of various sizes, and the battery end is in elastic contact with the second contact plate to avoid damaging the battery.

[0006] The above-mentioned battery short circuit test tool can solve the corresponding technical problems, but it can only test the short circuit of the positive and negative poles of the battery after production and assembly, and it is not convenient to test the short circuit of the positive pole and the shell and the negative pole and the shell of the battery, the test range is narrow, and the comprehensiveness of the test is affected. UTILITY MODEL CONTENTS

[0007] In order to solve the above technical problems, the purpose of the utility model is to provide a battery short circuit insulation test tool to solve the technical defects of the existing battery short circuit test tool.

[0008] In order to achieve the above object, the utility model provides the following technical scheme:

[0009] A battery short circuit insulation test frock, including support mechanism, be used for bearing the bearing mechanism of battery on it, the positive pole probe is equipped on the top of bearing mechanism, the negative pole probe and the shell probe are equipped on bearing mechanism, the displacement mechanism for driving the positive pole probe to move and the auxiliary mechanism for detecting the positive pole position of battery are equipped on support mechanism.

[0010] The bearing mechanism includes a cup, a placing groove for placing the battery is formed in the top of the cup, the cup body fixing rod is symmetrically arranged through the bottom of the cup, a groove adapted to the negative pole of the battery is formed in the center of the bottom of the placing groove, the negative pole probe and the shell probe are fixedly penetrated through the bottom of the cup, the top end of the negative pole probe extends into the cavity of the groove, and the top end of the shell probe extends into the cavity of the placing groove.

[0011] As a preferred scheme of the utility model, the support mechanism includes a bottom plate, the bottom end of the cup body fixing rod is fixedly connected to one side of the top of the bottom plate, the other side of the top of the bottom plate is provided with an up-down adjustable plate, the top of the up-down adjustable plate is provided with a supporting plate towards the cup, and the displacement mechanism and the auxiliary mechanism are arranged on the supporting plate.

[0012] As a further scheme of the utility model, the bottom of the up-down adjustable plate is integrally formed with a mounting plate, and the mounting plate is detachably connected with the bottom plate.

[0013] As a preferred scheme of the utility model, the surface of the up-down adjustable plate is provided with symmetric sliding holes, one side of the supporting plate is slidably connected with the inner wall surface of the sliding hole, and the supporting plate is detachably connected with the up-down adjustable plate.

[0014] As a further scheme of the utility model, one side of the bottom of the supporting plate is fixedly connected with symmetric reinforcing plates, one side of the reinforcing plate is in contact with the surface of the up-down adjustable plate, and the sliding hole is located between the symmetric reinforcing plates.

[0015] As a preferred scheme of the utility model, the cup body fixing rod is detachably connected with the cup.

[0016] As a further preferred scheme of the utility model, the displacement mechanism includes front-rear air cylinders mounted on the top of the supporting plate, the output end of the front-rear air cylinder is provided and fixedly connected with up-down air cylinders towards the center of the cup, the output end of the up-down air cylinder is provided and fixedly connected with a probe fixing block towards the bottom plate, and the positive pole probe is fixedly penetrated on the probe fixing block.

[0017] As a further scheme of the utility model, the auxiliary mechanism includes an inductor support fixedly connected to the side of the supporting plate away from the up-down adjustable plate, and the inductor support is provided with a photoelectric sensor at the bottom.

[0018] Compared with the prior art, the battery short circuit insulation test tool has the following beneficial effects: the tool places the battery in the bearing mechanism, and uses the cooperation of the positive probe, the negative probe and the shell probe to respectively realize the abutment with the positive electrode, the negative electrode and the shell of the battery, so that the short circuit insulation test of the positive electrode and the negative electrode of the battery, the negative electrode of the battery and the shell, and the positive electrode of the battery and the shell can be simultaneously realized by cooperating with the external insulation tester, the overall structure is simple, the problem of poor single positive and negative test effect is solved, the compact structure is realized, the short circuit insulation test effect is remarkable, and the tool is suitable for mature full-automatic cylindrical battery manufacturing equipment and process. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only one case of the embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the drawings.

[0020] Fig. 1 The structure of the embodiment of the present application is shown in the figure.

[0021] Fig. 2 The structure of the bottom plate and the bearing mechanism in the embodiment of the present application is shown in the figure.

[0022] Fig. 3 The structure of the bearing mechanism in the embodiment of the present application is shown in the figure.

[0023] Reference signs:

[0024] 100, support mechanism; 110, bottom plate; 120, up-down adjustable plate; 121, mounting plate; 122, sliding hole; 130, supporting plate; 140, reinforcing plate;

[0025] 200, bearing mechanism; 210, supporting cup; 211, placing groove; 212, groove; 220, cup body fixing rod;

[0026] 300, positive probe; 400, negative probe; 500, shell probe;

[0027] 600, displacement mechanism; 610, front and rear air cylinder; 620, up and down air cylinder; 630, probe fixing block;

[0028] 700, auxiliary mechanism; 710, inductor support; 720, photoelectric sensor. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer and more apparent, the following will make further detailed description to the embodiments of the utility model in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0030] In the description of the embodiments of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as a limitation on the embodiments of the utility model.

[0031] In the description of the embodiments of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, integral connection, or detachable connection; it can be the communication inside two elements; it can be directly connected, or indirectly connected through an intermediate medium; for those skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0032] Referring to the drawings Figs. 1-3 The utility model discloses a kind of battery short-circuit insulation test tool, including support mechanism 100, bearing mechanism 200 for carrying battery is equipped on it, bearing mechanism 200 is made of insulating material, the upper of bearing mechanism 200 is equipped with anode probe 300, bearing mechanism 200 is equipped with negative probe 400 and shell probe 500, displacement mechanism 600 for driving anode probe 300 to move is equipped on support mechanism 100, support mechanism 100 is also equipped with auxiliary mechanism 700 for detecting the positive pole position of battery;Bearing mechanism 200 includes cup 210, the top of cup 210 is equipped with placing groove 211 for placing battery, the bottom of cup 210 is vertically equipped with two symmetrical cup fixed rod 220, recess 212 compatible with battery negative pole is equipped in the center of the bottom of the inner cavity of placing groove 211, negative probe 400 and shell probe 500 are vertically fixed and penetrate in the bottom of cup 210, the top of negative probe 400 extends the inner cavity of recess 212, the top of shell probe 500 extends to the inner cavity of placing groove 211.

[0033] The battery short circuit insulation test tool adopting the technical scheme comprises a supporting mechanism 100, a bearing mechanism 200, a positive electrode probe 300, a negative electrode probe 400, a shell probe 500, a displacement mechanism 600 and an auxiliary mechanism 700, in use, first, the battery is grabbed by a mechanical arm into the placing groove 211, so that the negative electrode of the battery is placed in the groove 212, and then the negative electrode probe 400 is in contact with the negative electrode of the battery, and the shell probe 500 is in contact with the battery shell; the photoelectric sensor 720 detects the position of the positive electrode of the battery in real time and transmits the position signal to the controller, after the position is detected, the controller receives the position signal and controls the front and rear cylinders 610 and the upper and lower cylinders 620 to operate, the output end of the front and rear cylinders 610 drives the upper and lower cylinders 620, the probe fixing block 630 and the positive electrode probe 300 to move along the horizontal direction, until the positive electrode probe 300 is located directly above the battery, the output end of the upper and lower cylinders 620 drives the probe fixing block 630 and the positive electrode probe 300 to move along the vertical direction, until the positive electrode probe 300 is in contact with the positive electrode of the battery; the test current and the test time are set by the external insulation tester, the battery short circuit insulation resistance is detected, the hidden danger caused by the damage of the diaphragm by the dust or burr particles in the battery production link is eliminated, the unqualified battery is discharged, and the short circuit insulation substandard battery is prevented from flowing to the subsequent process to cause product quality hidden danger.

[0034] In order to provide an installation basis for the displacement mechanism 600 and the auxiliary mechanism 700, in the embodiment of the utility model, the supporting mechanism 100 includes the bottom plate 110 that is horizontally arranged, the bottom end of the cup body fixing rod 220 is fixedly connected to one side of the top of the bottom plate 110, the other side of the top of the bottom plate 110 is vertically provided with the up and down adjustable plate 120, the side of the top of the up and down adjustable plate 120 towards the cup holder 210 is provided with the supporting plate 130 that is arranged in parallel with the bottom plate 110, and the displacement mechanism 600 and the auxiliary mechanism 700 are arranged on the supporting plate 130.

[0035] In order to facilitate the connection and fixation of the up and down adjustable plate 120 and the bottom plate 110 and improve the stability of the up and down adjustable plate 120, the bottom of the up and down adjustable plate 120 is integrally formed with the mounting plate 121 that is horizontally arranged, the mounting plate 121 and the bottom plate 110 are detachably connected through screws, and the mounting plate 121 can increase the contact area between the up and down adjustable plate 120 and the bottom plate 110.

[0036] In order to improve the application range of the auxiliary mechanism 700, the surface of the up and down adjustable plate 120 is provided with two symmetrical sliding holes 122, the sliding holes 122 are vertically arranged, one side of the supporting plate 130 is slidably connected with the inner wall surface of the sliding hole 122, and the supporting plate 130 and the up and down adjustable plate 120 are detachably connected through screws, so that the height of the supporting plate 130 can be properly adjusted according to the battery model in the subsequent process.

[0037] In order to improve the firmness of the connection between the up-down adjustable plate 120 and the supporting plate 130, one side of the bottom of the supporting plate 130 is fixedly connected with two symmetrical reinforcing plates 140, one side of the reinforcing plate 140 is in abutment with the surface of the up-down adjustable plate 120, the sliding hole 122 is located between the two reinforcing plates 140, and the reinforcing plate 140 can assist in supporting the supporting plate 130, and reinforcing the connection between the up-down adjustable plate 120 and the supporting plate 130.

[0038] In order to improve the application range of the battery short circuit insulation test tool, the cup fixing rod 220 is detachably connected with the cup holder 210 through screws, so that the cup holder 210 can be disassembled and replaced according to the type of the battery.

[0039] In order to drive the positive probe 300 to abut or move away from the positive electrode of the battery, the displacement mechanism 600 includes a front-rear air cylinder 610 horizontally installed on the top of the supporting plate 130, the output end of the front-rear air cylinder 610 is provided and fixedly connected with an up-down air cylinder 620 vertically arranged towards the center of the cup holder 210, the output end of the up-down air cylinder 620 is provided and fixedly connected with a probe fixing block 630 towards the bottom plate 110, the positive probe 300 is vertically and fixedly connected to the probe fixing block 630, the probe fixing block 630 is made of insulating material, by starting the front-rear air cylinder 610, the up-down air cylinder 620, the probe fixing block 630 and the positive probe 300 can be driven to move along the horizontal direction, and by starting the up-down air cylinder 620, the probe fixing block 630 and the positive probe 300 can be driven to move along the vertical direction.

[0040] In order to realize automatic detection effect, the auxiliary mechanism 700 includes a sensor support 710 fixedly connected to the side of the supporting plate 130 away from the up-down adjustable plate 120, the sensor support 710 and the up-down adjustable plate 120 are arranged in parallel with each other, the inner wall surface of the sensor support 710 is provided with a photoelectric sensor 720 at the bottom, the photoelectric sensor 720 can be selected as a GT2-Y01NWR photoelectric sensor, the photoelectric sensor 720, the front-rear air cylinder 610 and the up-down air cylinder 620 are connected with an external controller respectively, the photoelectric sensor 720 can detect the position of the positive electrode of the battery in real time and transmit the position signal to the external controller, and the external controller receives the position signal and controls the operation of the front-rear air cylinder 610 and the up-down air cylinder 620.

[0041] The battery short circuit insulation test tool has the advantages that the battery is placed in the bearing mechanism 200, the positive probe 300, the negative probe 400 and the shell probe 500 are used in cooperation, the positive electrode, the negative electrode and the shell of the battery are respectively abutted, the short circuit insulation test of the positive electrode, the negative electrode and the shell of the battery is simultaneously achieved, the overall structure is simple, the single positive and negative test effect is improved, the compact structure is achieved, the short circuit insulation test effect is remarkable, and the battery short circuit insulation test tool is suitable for mature full-automatic cylindrical battery manufacturing equipment and processes.

[0042] The basic principle of the application is shown and described above, the above is only the preferred embodiment of the application, and does not limit the application, the above embodiment and the description in the specification only illustrate the principle of the application, any modification, equivalent replacement and improvement within the scope of the application should be included in the protection scope of the application.

Claims

1. A battery short circuit insulation test tool, characterized by: The utility model provides a battery testing device, including support mechanism (100), be equipped with the bearing mechanism (200) for bearing battery on it, the top of bearing mechanism (200) is equipped with positive probe (300), bearing mechanism (200) is equipped with negative probe (400) and shell probe (500) on it, support mechanism (100) is equipped with displacement mechanism (600) for driving positive probe (300) to move and auxiliary mechanism (700) for detecting battery positive pole position on it, The bearing mechanism (200) includes a cup (210), the top of the cup (210) is provided with a placing groove (211) for placing the battery, the bottom of the cup (210) is provided with a pair of symmetric cup fixing rods (220), the bottom of the inner cavity of the placing groove (211) is provided with a groove (212) matched with the negative electrode of the battery, the negative probe (400) and the shell probe (500) are fixedly connected through the bottom of the cup (210), the top end of the negative probe (400) extends into the inner cavity of the groove (212), and the top end of the shell probe (500) extends into the inner cavity of the placing groove (211).

2. The battery short circuit insulation test tool of claim 1, wherein: The support mechanism (100) includes a bottom plate (110), the bottom end of the cup fixing rod (220) is fixedly connected to one side of the top of the bottom plate (110), the other side of the top of the bottom plate (110) is provided with an up-down adjustable plate (120), the top of the up-down adjustable plate (120) is provided with a supporting plate (130) towards one side of the cup (210), and the displacement mechanism (600) and the auxiliary mechanism (700) are arranged on the supporting plate (130).

3. The battery short circuit insulation test tool of claim 2, wherein: The bottom of the up-down adjustable plate (120) is integrally formed with a mounting plate (121), and the mounting plate (121) is detachably connected with the bottom plate (110).

4. The battery short circuit insulation test tool of claim 2, wherein: The surface of the up-down adjustable plate (120) is provided with a pair of symmetric sliding holes (122), one side of the supporting plate (130) is slidably connected with the inner wall surface of the sliding hole (122), and the supporting plate (130) is detachably connected with the up-down adjustable plate (120).

5. The battery short circuit insulation test tool of claim 4, wherein: One side of the bottom of the supporting plate (130) is fixedly connected with a pair of symmetric reinforcing plates (140), one side of the reinforcing plate (140) abuts against the surface of the up-down adjustable plate (120), and the sliding hole (122) is located between the pair of symmetric reinforcing plates (140).

6. The battery short circuit insulation test tool of claim 1, wherein: The cup fixing rod (220) is detachably connected with the cup (210).

7. The battery short circuit insulation test tool of claim 2, wherein: The displacement mechanism (600) includes a front-rear air cylinder (610) mounted on the top of the supporting plate (130), the output end of the front-rear air cylinder (610) is provided and fixedly connected with an up-down air cylinder (620) towards the center of the cup (210), the output end of the up-down air cylinder (620) is provided and fixedly connected with a probe fixing block (630) towards the bottom plate (110), and the positive probe (300) is fixedly connected with the probe fixing block (630).

8. The battery short circuit insulation test tool of claim 7, wherein: The auxiliary mechanism (700) includes a sensor support (710) fixedly connected to the side of the supporting plate (130) away from the up-down adjustable plate (120), and the bottom of the sensor support (710) is provided with a photoelectric sensor (720).

Citation Information

Patent Citations

  • Battery short circuit test tool

    CN221100815U

Cited By

  • Battery cell detection system

    CN122386160A