CN217901812U - Four-channel pairing tester for lithium ion battery cell - Google Patents

Abstract

The utility model discloses a four-channel pairing tester for lithium ion battery cell, including the test box, evenly fixed being provided with three baffle between the lower wall on the inner chamber of test box, be formed with four test chambers between test box and the three baffle jointly, the utility model relates to a tester technical field. This four-channel pairing tester for lithium ion battery cell, through spacing post, a spring, mutually support between slider and the second conductor piece, after the second conductor piece is worn and torn by frequent use, can twist off the internal thread cap, take off the change fast with the second conductor piece, when wearing and tearing appear in first conductor piece, only need to extract spacing subassembly from the inside in spacing hole, the inside roll-off from the test chamber of first conductor piece that will damage after that, change new can, simple structure practicality is strong, need not to change whole tester, maintenance cost is lower, the setting up of spring makes things convenient for getting of lithium ion battery cell to put, high testing efficiency, and strong structure.

Description

Four-channel pairing tester for lithium ion battery cell

Technical Field

The utility model relates to a tester technical field specifically is a four-channel pairing tester of lithium ion battery cell.

Background

The battery cell refers to a single electrochemical battery cell containing a positive electrode and a negative electrode, and is generally not directly used. The battery is different from a battery which comprises a protection circuit and a shell and can be directly used. The composition of the lithium ion secondary rechargeable battery is as follows: and the battery cell and the protection circuit board. The rechargeable battery is just the battery core after the protective circuit board is removed. Which is the storage portion in the rechargeable battery. The quality of the battery core directly determines the quality of the rechargeable battery. The battery cell is divided into an aluminum shell battery cell, a soft package battery cell (also called polymer battery cell) and a cylindrical battery cell. Generally, an aluminum shell battery cell is adopted by a mobile phone battery, soft package battery cells are mostly adopted by digital products such as Bluetooth, and a battery of a notebook computer adopts series-parallel combination of cylindrical battery cells.

The tester is paird to current lithium ion cell four-channel, tests the back frequently to electric core, and its inside conductor piece produces wearing and tearing easily, and the conductor piece after wearing and tearing influences lithium ion cell's normal detection, can produce test error, appears wearing and tearing back when the conductor piece at present, changes whole tester, and is with too high costs, lacks the structure that can the pertinence change wearing and tearing conductor piece, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a four passageways of lithium ion cell pair the tester, solved present when the conductor piece appear wearing and tearing the back, change whole tester, problem with too high costs.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a four-channel pairing tester for lithium ion chips, includes the test box, evenly fixed three baffle that is provided with between the lower wall on the inner chamber of test box, be formed with four test chambers, every jointly between test box and the three baffle the equal joint in bottom of test chamber has first conductor piece subassembly, four first conductor piece subassembly all includes T type fixture block, T type fixture block joint is in the bottom of test chamber, the fixed first conductor piece that is provided with in top of T type fixture block, four be provided with spacing strip subassembly between the front end of T type fixture block, spacing strip subassembly is including linking up the strip, the rear end of linking up the strip is evenly fixed and is provided with five spliced poles, the fixed rubber ball that is provided with in rear end of spliced pole, every the top of test chamber all is provided with second conductor piece subassembly, every second conductor piece subassembly all includes two spacing posts, the bottom threaded connection of spacing post has the internal thread cap, the top of test chamber just is located two spacing posts and fixes being provided with the spring, two the equal sliding sleeve in outside of spacing post is equipped with the slider, two fix being provided with the second conductor piece between the slider.

Preferably, four data transmission wires are uniformly and fixedly arranged on the top of the test box, and the bottom of the spring is in contact with the top of the second conductor sheet.

Preferably, a lithium ion battery cell is arranged inside each test cavity, and the top of the lithium ion battery cell is in contact with the bottom of the second conductor sheet.

Preferably, the bottom of the lithium ion battery cell is in contact with the top of the first conductor sheet, and a control panel is fixedly arranged at the bottom of the test box.

Preferably, the left side and the right side of the lower part of the front end of the test box and the bottom of the front end of each partition plate are provided with limiting holes.

Preferably, the rubber ball is arranged inside the corresponding limiting hole.

Advantageous effects

The utility model provides a four-channel pairing tester for lithium ion battery cells. Compared with the prior art, the method has the following beneficial effects:

(1) This four-channel of lithium ion core pairs tester, there is first conductor piece subassembly through the equal joint in the bottom of every test chamber, four first conductor piece subassemblies all include T type fixture block, T type fixture block joint is in the bottom of test chamber, the fixed first conductor piece that is provided with in top of T type fixture block, be provided with spacing strip subassembly between the front end of four T type fixture blocks, spacing strip subassembly is including linking up the strip, the rear end of linking up the strip is even fixed and is provided with five spliced poles, the fixed rubber ball that is provided with in rear end of spliced pole, the top of every test chamber all is provided with second conductor piece subassembly, every second conductor piece subassembly all includes two spacing posts, the bottom threaded connection of spacing post has the internal thread cap, the outside of two spacing posts all slides the cover and is equipped with the slider, the fixed second conductor piece that is provided with between two sliders, through spacing post, a spring, mutually support between slider and the second conductor piece, after the second conductor piece is frequently used and is worn and torn, can twist off the internal thread cap, take off the second conductor piece fast and change when first conductor piece appears wearing and tearing, it is only to need not to follow the inside change of spacing hole and is damaged, the test the practicality is low, can be followed, the whole simple test cost of carrying out, the test chamber is good.

(2) This four-channel pairing tester for lithium ion cells, through the top at the test chamber and be located the fixed spring that is provided with between two spacing posts, the top of test box is evenly fixed and is provided with four data transmission wires, the bottom of spring contacts with the top of second conductor piece, the inside in every test chamber all is provided with lithium ion cell, lithium ion cell's top contacts with the bottom of second conductor piece, lithium ion cell's bottom contacts with the top of first conductor piece, the fixed control panel that is provided with in bottom of test box, spacing hole has all been seted up to the front end lower part left and right sides of test box and the front end bottom of every baffle, the rubber ball sets up the inside in corresponding spacing hole, the setting of spring makes things convenient for lithium ion cell's getting and putting, high test efficiency, and certain buffering space has when placing lithium ion cell, strong structure nature.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is a bottom sectional view of the test cassette of the present invention;

fig. 4 is a bottom view of a second conductor sheet of the present invention;

fig. 5 is a bottom view of the spacing bar assembly of the present invention.

In the figure: 1. a test cartridge; 2. a partition plate; 3. a test chamber; 4. a data transmission wire; 5. a first conductor sheet assembly; 51. a T-shaped fixture block; 52. a first conductor sheet; 6. a limiting bar assembly; 61. a joining strip; 62. connecting columns; 63. a rubber ball; 7. a second conductor sheet assembly; 71. a limiting column; 72. an internally threaded cap; 73. a spring; 74. a slider; 75. a second conductor sheet; 8. a lithium ion cell; 9. a control panel; 10. and a limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a four-channel matching tester for lithium ion chips comprises a test box 1, three partition plates 2 are uniformly and fixedly arranged between the upper wall and the lower wall of an inner cavity of the test box 1, four test cavities 3 are jointly formed between the test box 1 and the three partition plates 2, a first conductor sheet assembly 5 is clamped at the bottom of each test cavity 3, each first conductor sheet assembly 5 comprises a T-shaped fixture block 51, each T-shaped fixture block 51 is clamped at the bottom of each test cavity 3, a first conductor sheet 52 is fixedly arranged at the top of each T-shaped fixture block 51, a limiting strip assembly 6 is arranged between the front ends of the four T-shaped fixture blocks 51, each limiting strip assembly 6 comprises a connecting strip 61, five connecting columns 62 are uniformly and fixedly arranged at the rear ends of the connecting strips 61, rubber balls 63 are fixedly arranged at the rear ends of the connecting columns 62, a second conductor sheet assembly 7 is arranged at the top of each test cavity 3, each second conductor sheet assembly 7 comprises two limiting columns 71, the bottom of the limiting column 71 is in threaded connection with an internal thread cap 72, a spring 73 is fixedly arranged at the top of the testing chamber 3 and between the two limiting columns 71, sliders 74 are slidably sleeved outside the two limiting columns 71, a second conductor sheet 75 is fixedly arranged between the two sliders 74, through the mutual matching of the limiting columns 71, the springs 73, the sliders 74 and the second conductor sheets 75, when the second conductor sheet 75 is worn due to frequent use, the internal thread cap 72 can be unscrewed, the second conductor sheet 75 can be quickly taken down and replaced, when the first conductor sheet 52 is worn, the limiting strip assembly 6 only needs to be pulled out from the inside of the limiting hole 10, then the damaged first conductor sheet 52 slides out from the inside of the testing chamber 3 to be replaced, the structure is simple and strong in practicability, the whole tester does not need to be replaced, the maintenance cost is low, four data transmission leads 4 are uniformly and fixedly arranged at the top of the testing box 1, the bottom of spring 73 contacts with the top of second conductor piece 75, the inside of every test chamber 3 all is provided with lithium ion cell 8, the top of lithium ion cell 8 contacts with the bottom of second conductor piece 75, the bottom of lithium ion cell 8 contacts with the top of first conductor piece 52, the fixed control panel 9 that is provided with in bottom of test box 1, spacing hole 10 has all been seted up to the front end lower part left and right sides of test box 1 and the front end bottom of every baffle 2, rubber ball 63 sets up in the inside that corresponds spacing hole 10, the setting up of spring 73 makes things convenient for getting of lithium ion cell 8 to put, the efficiency of software testing is high, and certain buffer space has when placing lithium ion cell 8, and structural strong.

And those not described in detail in this specification are well within the skill of the art.

When the test device is used, one end of the lithium ion battery 8 is firstly contacted with the bottom of the second conductor sheet 75, the second conductor sheet 75 is simultaneously pressed upwards, the sliding block 74 slides along the limiting post 71, the second conductor sheet 75 pushes the spring 73, the spring 73 is compressed, then the other end of the lithium ion battery 8 is placed in the test cavity 3, the other end of the lithium ion battery 8 is simultaneously contacted with the top of the first conductor sheet 52, at the moment, the first conductor sheet 52, the second conductor sheet 75 and the lithium ion battery 8 in each test cavity 3 form an independent closed loop with the control panel 9, the lithium ion battery 8 is tested, test data are displayed in the control panel 9, after the second conductor sheet 75 is frequently tested to be worn, only the internal thread cap 72 needs to be screwed off, the sliding block 74 is taken off from the limiting post 71, meanwhile, the second conductor sheet 75 is taken off, a new second conductor sheet 75 needs to be replaced, when the first conductor sheet 52 is worn, the rubber ball 63 is pulled out of the limiting hole 10, the second conductor sheet 75 is taken off from the limiting post 71, the limiting post 61, the new conductor sheet 51 is taken off, and the first conductor sheet 52 is replaced, and the T-type test strip 52 can be replaced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a four passageway of lithium ion cell pair test appearance, includes test box (1), its characterized in that: the testing device is characterized in that three partition plates (2) are uniformly and fixedly arranged between the upper wall and the lower wall of an inner cavity of the testing box (1), four testing cavities (3) are formed between the testing box (1) and the three partition plates (2), a first conductor piece assembly (5) is clamped at the bottom of each testing cavity (3), the four first conductor piece assemblies (5) respectively comprise a T-shaped clamping block (51), the T-shaped clamping block (51) is clamped at the bottom of the testing cavity (3), a first conductor piece (52) is fixedly arranged at the top of the T-shaped clamping block (51), and a limiting strip assembly (6) is arranged between the front ends of the four T-shaped clamping blocks (51);

spacing subassembly (6) are including linking up strip (61), the rear end of linking up strip (61) is evenly fixed to be provided with five spliced poles (62), the rear end of spliced pole (62) is fixed to be provided with rubber ball (63), every the top of test chamber (3) all is provided with second conductor piece subassembly (7), every second conductor piece subassembly (7) all include two spacing posts (71), the bottom threaded connection of spacing post (71) has interior screw cap (72), the top of test chamber (3) just is located and fixes between two spacing posts (71) to be provided with spring (73), two the outside of spacing post (71) is all slided the cover and is equipped with slider (74), two fixed second conductor piece (75) that is provided with between slider (74).

2. The lithium ion cell four-channel pairing tester of claim 1, characterized in that: four data transmission wires (4) are uniformly and fixedly arranged at the top of the test box (1), and the bottom of the spring (73) is in contact with the top of the second conductor sheet (75).

3. The lithium ion cell four-channel pairing tester of claim 1, characterized in that: and a lithium ion cell (8) is arranged in each test cavity (3), and the top of each lithium ion cell (8) is in contact with the bottom of the second conductor sheet (75).

4. The lithium ion cell four-channel pairing tester of claim 3, characterized in that: the bottom of the lithium ion battery cell (8) is in contact with the top of the first conductor sheet (52), and the bottom of the test box (1) is fixedly provided with a control panel (9).

5. The lithium ion cell four-channel pairing tester of claim 1, characterized in that: the left side and the right side of the lower portion of the front end of the test box (1) and the bottom of the front end of each partition plate (2) are provided with limiting holes (10).

6. The lithium ion cell four-channel pairing tester of claim 5, characterized in that: the rubber ball (63) is arranged in the corresponding limiting hole (10).

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