CN219266360U

CN219266360U - Clamp for rapidly measuring voltage and internal resistance of battery

Info

Publication number: CN219266360U
Application number: CN202223596946.8U
Authority: CN
Inventors: 方坤; 张小林; 黄恩明
Original assignee: Liju New Energy Zhongshan Co ltd
Current assignee: Liju New Energy Zhongshan Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-27
Anticipated expiration: 2032-12-29

Abstract

The utility model provides a clamp for rapidly measuring the voltage and the internal resistance of a battery, which comprises a base, wherein a fixing plate is arranged on one side of the base; the fixing plate is provided with a first clamping plate for clamping the battery, and a driver is fixedly arranged above the first clamping plate; the lower end of the driver is connected with a second clamping plate for clamping the battery, a plurality of conductive seats for conducting electricity are respectively arranged on the two clamping plates, and the two clamping plates are arranged in parallel. The driver drives the second clamping plate to move downwards, so that the conductive seat on the second clamping plate is in conductive fit with the battery below, the upper clamping plate and the lower clamping plate are provided with four conductive seats in total, the upper parts of the conductive seats on the same side are connected with the voltage test line, and the lower parts of the conductive seats are connected with the internal resistance test line. And meanwhile, the voltage and internal resistance tests are completed, the voltage test can judge whether the last procedure of the battery is charged, and the internal resistance test can judge whether the performance of the battery meets the qualification requirement. The fixture has the advantages of simple structure and simple operation, can simultaneously complete two tests, improves the production efficiency, can test the internal resistance of voltage on both sides, and ensures higher test accuracy.

Description

Clamp for rapidly measuring voltage and internal resistance of battery

Technical Field

The utility model relates to a technical field of battery voltage internal resistance test especially relates to a fixture of quick test battery voltage internal resistance.

Background

The measurement of the internal resistance of the voltage in the production of the battery is an essential link for measuring whether the preliminarily formed battery reaches the qualification standard or not, so that unqualified products are selected. At present, a battery is clamped by a clamp for testing in the process of testing the internal resistance of the voltage, the clamp is opened manually, and then the battery is placed in the clamp, so that the working efficiency is low. Most of the existing test fixtures are complex in operation, and the accuracy of the test cannot be guaranteed.

Disclosure of Invention

In order to solve the problems, the technical scheme provides a clamp for rapidly testing the voltage and the internal resistance of a battery, and the clamp for testing the voltage and the internal resistance is improved to solve the problems existing in the prior art.

In order to achieve the above purpose, the technical scheme is as follows:

the clamp for rapidly measuring the voltage and the internal resistance of the battery comprises a base, wherein a fixing plate is arranged on one side of the base; the fixing plate is provided with a first clamping plate for clamping the battery, and a driver is fixedly arranged above the first clamping plate; the device comprises a driver, a first clamping plate, a second clamping plate, a plurality of conductive seats, a first clamping plate and a second clamping plate, wherein the lower end of the driver is fixedly connected with the second clamping plate used for clamping a battery, the first clamping plate and the second clamping plate are respectively and oppositely provided with the conductive seats used for conducting electricity, and the first clamping plate and the second clamping plate are arranged in parallel.

In some embodiments, the conductive seat is provided with a conductor groove with an opening at the side, and a conductor is placed in the conductor groove.

In some embodiments, the first clamping plate and the second clamping plate are both provided with sliding grooves.

In some embodiments, the driver is coupled to the fixed plate by a fastener.

In some embodiments, a bumper pad is disposed within the conductor slot.

In some embodiments, the conductive seat is provided with a wire slot.

The beneficial effects of the application are that:

this application sets up first splint and second splint at test fixture upper and lower parallel symmetry, then set up electrically conductive seat on two splint above-mentioned respectively, place the battery on the electrically conductive seat of first splint, rethread driver drive second splint downwardly moving makes electrically conductive seat on the second splint accomplish electrically conductive laminating with the below battery, and upper and lower splint is equipped with four electrically conductive seats altogether, and the voltage test line is connected to electrically conductive seat top of homonymy, and the internal resistance test line is connected to the below. The voltage test can judge whether the last procedure of the battery is charged or not, and the internal resistance test can judge whether the performance of the battery meets the qualification requirement or not. The clamp is simple in structure and operation, and can complete two tests simultaneously, so that the production efficiency is improved, the voltage internal resistance can be tested on both sides, and the testing accuracy is higher.

Drawings

In order to more clearly illustrate the technical solutions in the novel embodiments, the drawings that are required to be used in the description of the embodiments will be briefly described below.

FIG. 1 is a schematic diagram of the overall structure of the novel embodiment;

FIG. 2 is a schematic diagram of the overall structure of the novel embodiment II;

fig. 3 is a schematic diagram of the overall structure of the novel embodiment.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects solved by the present utility model more clearly apparent, the present utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

Referring to fig. 1-3, a fixture for rapidly measuring the internal resistance of a battery voltage is characterized by comprising a base 1, wherein a fixing plate 2 is arranged on one side of the base 1; wherein, a first clamping plate 201 for clamping the battery is arranged on the fixed plate 2, and a driver 3 is fixedly arranged above the first clamping plate 201; the lower end of the driver 3 is fixedly connected with a second clamping plate 301 for clamping a battery, a plurality of conductive seats 4 for conducting electricity are oppositely arranged on the first clamping plate 201 and the second clamping plate 301 respectively, and the first clamping plate 201 and the second clamping plate 301 are arranged in parallel.

In this embodiment, the conductive seat 4 is provided with a conductor groove 401 with an opening at a side, and a conductor 402 is placed in the conductor groove 401.

The conductor is placed in the conductor groove, the conductor is preferably copper, the voltage internal resistance test wire is connected with the conductor, the conductor is placed and taken out more easily through the conductor groove with the opening, and the conductor can be better accommodated and fixed on the conductor seat, so that the conductor can be fixed and limited, the conductor is prevented from being shifted in position, and the test accuracy is low.

In this embodiment, the sliding grooves 5 are provided on both the first clamping plate 201 and the second clamping plate 301.

The conductive seat is connected with the clamping plate through the bolts, and then the sliding groove is formed in the clamping plate, so that the conductive seat arranged on the sliding groove can horizontally move, further the change of the position of the conductive seat is realized, and batteries with different sizes are met.

In this embodiment, the driver 3 is connected to the fixing plate by a fixing member 6.

The driver is preferably an air cylinder and is a double-shaft air cylinder, the driver is connected with the fixing plate through the fixing piece, a certain distance is generated between the driver and the fixing plate, the conductor below is far away from the fixing plate, the battery placement position is more surplus, and the device can adapt to batteries with different sizes.

In this embodiment, the buffer pad 7 is disposed in the conductor groove 401.

When the two clamping plates are close to each other, the buffer pad can play a role in buffering between the electric conductor and the electric conduction seat, so that the pressure on the battery is reduced better, and a protection effect is achieved.

In this embodiment, the conductive base 4 is provided with a wire slot 403.

The voltage internal resistance test wire of the conductor is placed in the wire slot to play a role of burying the wire, and the design can not place the test wire on the conductive seat surface in a protruding mode, so that the battery placement surface is unstable, and the test result is inaccurate.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the present application, but other principles and basic structures are the same or similar to the present application.

Claims

1. The clamp for rapidly measuring the voltage and the internal resistance of the battery is characterized by comprising a base (1), wherein a fixing plate (2) is arranged on one side of the base (1); the battery fixing device comprises a fixing plate (2), a first clamping plate (201) and a driver (3), wherein the fixing plate (2) is provided with a first clamping plate (201) for clamping a battery, and the driver (3) is fixedly arranged above the first clamping plate (201); the device comprises a driver (3), a first clamping plate (201) and a second clamping plate (301) used for clamping a battery are fixedly connected to the lower end of the driver (3), a plurality of conductive seats (4) used for conducting electricity are oppositely arranged on the first clamping plate (201) and the second clamping plate (301) respectively, and the first clamping plate (201) and the second clamping plate (301) are arranged in parallel.

2. The clamp for rapidly measuring the voltage and internal resistance of a battery according to claim 1, wherein a conductor groove (401) with an opening at the side edge is formed on the conducting base (4), and a conductor (402) is placed in the conductor groove (401).

3. The clamp for rapidly measuring the internal resistance of the battery voltage according to claim 1, wherein the first clamping plate (201) and the second clamping plate (301) are provided with sliding grooves (5).

4. A clamp for rapid measurement of internal resistance of battery voltage according to claim 1, characterized in that the driver (3) is connected to the fixing plate by means of a fixing member (6).

5. The clamp for rapidly measuring the internal resistance of the battery voltage according to claim 2, wherein a buffer pad (7) is arranged in the conductor groove (401).

6. A clamp for rapidly measuring the internal resistance of a battery voltage according to claim 2, characterized in that the conductive seat (4) is provided with a wire slot (403).