CN213337715U - Universal test stand device for cylindrical and button single batteries - Google Patents

Abstract

A universal test stand device for cylindrical and button single batteries comprises a plurality of battery test units, a heat-resistant panel, a fixing part and a supporting part; the battery test units are used for carrying out synchronous tests on the battery test units; and each battery test cell comprises: the device comprises a heat-resistant supporting plate 1, an adjusting knob 2, a fixed adjusting block 3, a tested battery sample 4, a positive contact probe 5, a negative contact probe 6, a current input end 7 and a current output end 8. Adopt the utility model discloses a test device can satisfy the experimental demand of cylinder, button cell of different types, size.

Description

Universal test stand device for cylindrical and button single batteries

Technical Field

The utility model relates to a general type test stand device of battery especially relates to cylinder, general type test stand device of button cell.

Background

With continuous shortage of global petroleum resources and continuous deterioration of atmospheric environment, development and utilization of new energy are generally regarded by all countries in the world, and lithium batteries gradually become one of ideal energy sources in the century due to the unique performance advantages of high working voltage, small volume, light weight, high energy, no memory effect, no pollution, long cycle life and the like. With the development of scientific technology and the improvement of the living standard of material culture of people, the appearance of a large number of portable electronic products for industrial use, civil use and medical use brought by the rapid development of information and microelectronic industry, the development and development of the electric automobile industry and the enhancement of environmental protection consciousness, people have more urgent needs on lithium batteries which are small in size, light in weight, high in energy, safe, reliable, pollution-free and capable of being repeatedly charged and used, and the lithium batteries also become powerful power for promoting the rapid development of the lithium batteries.

In China, lithium batteries are widely applied to various electronic products, but the development momentum is the strongest, the lithium batteries are also applied to the field of new energy automobiles, and the lithium battery industry is in the golden period of development as the industries such as new energy electric automobiles and electric bicycles are rapidly developed under the support of national policies. Along with the rapid development and practical application of lithium batteries, the electrical performance of lithium batteries is more and more emphasized by people. Under the condition that a plurality of lithium battery detection standards are developed in developed countries such as Europe, America and the like, China also actively develops lithium battery detection technology and safety and reliability evaluation method research, and simultaneously formulates and releases a series of national lithium battery detection standards, industry standards and the like so as to standardize the product quality of the lithium battery industry and improve the industry development level.

In the batteries used in many electronic products, the number and the types of the cylindrical and button batteries are in a large proportion, so the detection of the electrical performance and the evaluation of the safety and reliability of the two types of batteries are particularly necessary. However, when the battery is tested and evaluated for safety and reliability, because the battery has different types and sizes and the number of test samples required by the relevant standards is large, a plurality of different sets of test wires and test boxes need to be prepared and replaced back and forth during testing, the installation and test process is complicated, and a lot of time and workload are consumed.

Therefore, when the battery is detected and evaluated for safety and reliability, in order to meet the test requirements of the cylindrical batteries and button batteries with different types and sizes, the complex operation required by testing the batteries with different types is omitted, and the test flow is optimized. The universal test stand device for the cylindrical single batteries and the button batteries is needed to meet the test requirements of the cylindrical batteries and the button batteries with different types and sizes, so that a large amount of time and workload are avoided to be consumed, and the problems are effectively solved.

Disclosure of Invention

The utility model relates to a cylinder, general type test stand device of button cell to aforementioned problem is solved wholly or partially effectively. The technical scheme of the utility model is that:

the universal test rack device for the cylindrical and button single batteries comprises a plurality of battery test units, a heat-resistant panel, a fixing part and a supporting part; the battery test units are used for carrying out synchronous tests on the battery test units; and each battery test cell comprises:

a heat-resistant support plate 1 having heat and flame resistance for reducing the fire risk in the test;

the adjusting knob 2 can be adjusted in a telescopic mode and is used for adjusting and fixing the position of the adjusting block and clamping the sample to be measured;

a tested battery sample 3;

the fixed adjusting block 4 is used for moving in a single axial direction in a fixed groove on the base so as to adapt to test samples with different sizes and fix the tested samples;

the positive contact probe 5 is connected with the positive electrode of the sample to be tested and used for providing test current;

the negative contact probe 6 is connected with the negative electrode of the sample to be tested and used for providing test current;

a current input terminal 7 for connecting to a current input provided by the test instrument;

and the current output end 8 is used for connecting the output of the current provided by the test instrument.

Adopt the technical scheme of the utility model following technical advantage has at least:

1. the device can be compatible with cylindrical batteries and button batteries with different types and sizes for the first time, is flexible in connecting and fixing parts, can automatically adjust the space, and avoids the complex process that a plurality of different test wires and test boxes are needed for testing the batteries with different types;

2. the device has reasonable design and compact volume, combines a plurality of battery test units into one, can realize synchronous test of single batteries in batches, and can greatly save test space;

3. the panel, the shell, the fixing part, the supporting part and the like of the device are all made of heat-resistant and flame-retardant materials, so that the heat damage caused by the heating and the burning of the battery due to the test is prevented;

4. the device accords with the test requirement of multiple domestic and foreign battery test standard, includes: GB 31241-;

5. the device is simple to operate and easy to popularize.

Drawings

FIG. 1 shows a schematic diagram of a universal test stand device for cylindrical and button cells;

FIG. 2 shows a schematic diagram of a battery test cell;

figure 3 shows a diagram of a universal test stand device for cylindrical, button cell batteries.

Detailed Description

Fig. 1-2 show a schematic diagram of a universal test rack device and a battery test unit for cylindrical and button type single batteries.

The device comprises a plurality of battery test units, a heat-resistant panel, a fixing part, a supporting part and the like, and can realize synchronous tests of a plurality of single batteries. Each cell test cell comprises 8 components, respectively: 1. the heat-resistant support plate has heat resistance and flame resistance, and reduces the fire risk of the test; 2. the adjusting knob can be adjusted in a telescopic mode and is used for adjusting and fixing the position of the adjusting block and clamping the sample to be measured; 3. a tested battery sample; 4. the fixed adjusting block can move in a single axial direction in a fixed groove on the base, so that the fixed adjusting block is suitable for test samples with different sizes and fixes the tested samples; 5. the positive contact probe is connected with the positive electrode of the sample to be tested and provides test current; 6. the negative contact probe is connected with the negative electrode of the sample to be tested and provides test current; 7. the current input end is connected with the test instrument to provide current input; 8. and the current output end is connected with the test instrument to provide current output.

The test method adopting the device comprises the following steps:

step (1): firstly, measuring the size of a tested battery sample 3, then operating an adjusting knob 2, simultaneously moving a fixed adjusting block 4, adjusting the upper end and the lower end of the fixed adjusting block 4 to be the position of reducing the size of the tested battery sample by 2-3 mm, screwing the adjusting knob 2, and fixing the position;

step (2): aligning the anode of the tested battery sample to the anode contact probe 5 upwards, jacking the anode contact probe contact by 2-3 mm with slight force, aligning the center of the cathode of the tested battery sample to the cathode contact probe 6, and loosening the tested battery sample to completely fix the tested battery sample on the device;

and (3): connecting the current input and output ends 7 and 8 with the input and output ends of the test instrument for providing current respectively, and making the connection firm;

and (4): carrying out charge and discharge and related electrical property tests on a tested battery sample;

and (5): after the test of the tested battery sample 3 is completed, the tested battery sample needs to be taken down from the device, the tested battery sample is slightly pushed back to the direction of the upward positive contact probe 5 by 2-3 mm, and the tested battery sample can be released by slightly inclining and taken down.

In the process of detecting and evaluating the safety and reliability of the battery, in order to verify the practicability and effectiveness of the universal test stand device for the cylindrical single batteries and the button single batteries, a set of prototype machine is manufactured according to a device schematic diagram, a plurality of cylindrical single battery samples are selected, a charge-discharge test is carried out, relevant test data are recorded, the test process is smooth, and a good effect is obtained. The charge and discharge test data are shown in table 1.

Table 1 charge and discharge test data

In addition, the general type test stand device for the cylindrical button cell battery is shown in a drawing, as shown in fig. 3.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention. The technical solution and/or the embodiments of the invention may be subject to various modifications and variations within the scope of the invention.

Claims (1)

1. The universal test rack device for the cylindrical and button single batteries comprises a plurality of battery test units, a heat-resistant panel, a fixing part and a supporting part; the battery test units are used for carrying out synchronous tests on the battery test units; and each battery test cell comprises:

a heat-resistant support plate (1) having heat and flame resistance for reducing the fire risk of the test;

the adjusting knob (2) can be adjusted in a telescopic mode and is used for adjusting and fixing the position of the adjusting block and clamping the tested sample;

a tested battery sample (3);

the fixing adjusting block (4) is used for moving in a single axial direction in a fixing groove on the base so as to adapt to test samples with different sizes and fix the tested samples;

the positive contact probe (5) is connected with the positive electrode of the sample to be tested and used for providing test current;

the negative contact probe (6) is connected with the negative electrode of the sample to be tested and used for providing test current;

a current input terminal (7) for connecting to a test instrument to provide an input of current;

and the current output end (8) is used for connecting the output of the current provided by the test instrument.

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