CN212399290U

CN212399290U - Lithium cell EIS test fixture

Info

Publication number: CN212399290U
Application number: CN202020253213.6U
Authority: CN
Inventors: 刘安德
Original assignee: Nanjing Mjs Energy Technology Co ltd
Current assignee: Nanjing Mjs Energy Technology Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2021-01-26
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a lithium battery EIS testing tool, which comprises a workbench, wherein a U-shaped frame is fixedly arranged at the top of the workbench, the open end of the U-shaped frame faces the workbench, a chute is arranged at the top of the U-shaped frame, a strip-shaped block is inserted in the chute in a sliding manner, a handle is fixedly arranged at the top of the strip-shaped block, a pressing plate is fixedly arranged at the bottom of the strip-shaped block, a spring is sleeved on the outer wall of the strip-shaped block, two ends of the spring are respectively fixedly connected with the top surface in the U-shaped frame and the top of the pressing plate, a strip-shaped groove is arranged at one side of the strip-shaped block, a first magnet with the same length and depth as the strip-shaped block is fixedly arranged in the strip-shaped groove, a positioning groove is arranged on the side wall of the strip-shaped block below the strip-shaped groove, a second magnet is, the third magnet is repelled from the first magnet and attracted to the second magnet.

Description

Lithium cell EIS test fixture

Technical Field

The utility model relates to a lithium cell EIS test fixture technical field specifically is a lithium cell EIS test fixture.

Background

The lithium battery is a primary battery using lithium metal or lithium alloy as a negative electrode material and using a non-aqueous electrolyte solution, unlike a lithium ion battery, which is a rechargeable battery, and a lithium ion polymer battery. The inventor of lithium batteries is edison, and the lithium batteries have no long-term application because the chemical properties of lithium metals are very active, so that the lithium metals have very high requirements on the environment in processing, storage and use. Along with the development of the microelectronic technology at the end of the twentieth century, miniaturized equipment is increased day by day, very high requirements are provided for a power supply, a lithium battery enters a large-scale practical stage, when the lithium battery is used for EIS testing, an existing tooling mechanism is mostly complex to adjust, the lithium battery cannot be used for lithium battery tooling of different specifications, the applicability is not strong, and therefore the lithium battery EIS testing tooling is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell EIS test fixture to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery EIS test tool comprises a workbench, wherein a U-shaped frame is fixedly arranged at the top of the workbench, the open end of the U-shaped frame faces the workbench, a sliding groove is formed in the top of the U-shaped frame, a strip-shaped block is inserted in the sliding groove in a sliding mode, a handle is fixedly arranged at the top of the strip-shaped block, a pressing plate is fixedly arranged at the bottom of the strip-shaped block, a spring is sleeved on the outer wall of the strip-shaped block, and two ends of the spring are fixedly connected with the inner top surface of the U-shaped frame and the top of;

one side of strip piece is equipped with the bar groove, the bar inslot is fixed and is equipped with the one deck and the same first magnet of its length degree of depth, the strip piece lateral wall of bar groove below is equipped with the constant head tank, the inboard of constant head tank is fixed and is equipped with one deck second magnet, spout one side is equipped with the guide way, sliding joint has the locating piece in the guide way, locating piece and constant head tank activity joint, and the locating piece is close to the fixed one deck third magnet that is equipped with of one end of spout, third magnet and first magnet repel each other, and third magnet and second magnet attract each other.

As a preferred technical scheme of the utility model, the fixed handle of holding between the fingers that is equipped with in top of locating piece, hold between the fingers and be equipped with one deck antiskid line to the surface.

As a preferred technical scheme of the utility model, the fixed stopper that is equipped with of both ends lateral wall of locating piece, be equipped with the spacing groove with the stopper cooperation in the guide way.

As an optimal technical scheme of the utility model, the fixed one deck silica gel pad that is equipped with in bottom of clamp plate, the shape of silica gel pad is the same with the shape of clamp plate.

As an optimal technical scheme of the utility model, the fixed gag lever post that is equipped with in both ends top of clamp plate, the top and the U-shaped frame interior top surface movable contact of gag lever post.

Compared with the prior art, the beneficial effects of the utility model are that:

the locating piece slides in the card goes into the constant head tank, realizes the location of bar piece, then places the lithium cell that will test on the workstation of clamp plate below, breaks away from locating piece and constant head tank afterwards, under the spring action of spring, drives clamp plate downstream, presses the lithium cell and holds fixedly, realizes the frock, avoids the lithium cell dislocation when the test, and the lithium cell frock of applicable different specifications simultaneously, it is convenient to use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a connection structure of the bar-shaped block of the present invention;

fig. 3 is an enlarged structural diagram of a portion a in fig. 1 according to the present invention.

Fig. 4 is an enlarged structural diagram of the structure at B in fig. 1 according to the present invention.

In the figure: 1 workbench, 2U-shaped frames, 21 sliding grooves, 22 bar-shaped blocks, 23 handles, 24 pressing plates, 25 springs, 26 limiting rods, 27 bar-shaped grooves, 28 first magnets, 29 positioning grooves, 210 second magnets, 211 guide grooves, 212 positioning blocks, 213 third magnets, 214 limiting grooves, 215 limiting blocks and 216 pinching handles.

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. 1-4, the present invention provides a technical solution: a lithium battery EIS test tool comprises a workbench 1, a U-shaped frame 2 is fixedly arranged at the top of the workbench 1, the open end of the U-shaped frame 2 faces the workbench 1, a sliding groove 21 is formed in the top of the U-shaped frame 2, a bar-shaped block 22 is slidably inserted in the sliding groove 21, a handle 23 is fixedly arranged at the top of the bar-shaped block 22, a pressing plate 24 is fixedly arranged at the bottom of the bar-shaped block 22, a spring 25 is sleeved on the outer wall of the bar-shaped block 22, two ends of the spring 25 are respectively fixedly connected with the inner top surface of the U-shaped frame 2 and the top of the pressing plate 24, a bar-shaped groove 27 is formed in one side of the bar-shaped block 22, a layer of first magnet 28 with the same length and depth as the bar-shaped block 27 is fixedly arranged in the bar-shaped groove 27, a positioning groove 29 is formed in the side wall of the bar-shaped block 22 below the bar-, and one end of the positioning block 212 close to the sliding slot 21 is fixedly provided with a layer of third magnet 213, the third magnet 213 and the first magnet 28 repel each other, and the third magnet 213 and the second magnet 210 attract each other, when in daily use, the handle 23 drives the bar-shaped block 22 to move upwards, the spring 25 is compressed, when the positioning slot 29 is aligned with the positioning block 212, the positioning block 212 is slidingly clamped into the positioning slot 29 under the attraction of the third magnet 213 and the second magnet 210, so as to realize the positioning of the bar-shaped block 22, then, the lithium battery to be tested is placed on the workbench 1 below the pressing plate 24, then the positioning block 212 is separated from the positioning groove 29, the pressing plate 24 is driven to move downwards under the action of the elastic force of the spring 25, the lithium battery is pressed and fixed, the tool is realized, the dislocation of the lithium battery during testing is avoided, and meanwhile, the tool is convenient to use and applicable to lithium batteries with different specifications.

The top of the positioning block 212 is fixedly provided with a handle 216, and the outer surface of the handle 216 is provided with a layer of anti-slip lines, so that the positioning block 212 can be separated from the positioning groove 29.

The side walls of the two ends of the positioning block 212 are fixedly provided with limit blocks 215, and limit grooves 214 are arranged in the guide grooves 211 in a matching manner with the limit blocks 215 to limit and guide the positioning block 212.

The bottom of clamp plate 24 is fixed and is equipped with the one deck silica gel pad, and the shape of silica gel pad is the same with clamp plate 24's shape, makes clamp plate 24 when pressing the lithium cell and holding fixedly, and is more stable.

The top of the two ends of the pressing plate 24 is fixedly provided with a limiting rod 26, the top end of the limiting rod 26 is movably contacted with the inner top surface of the U-shaped frame 2, and when the strip-shaped block 22 moves upwards and the limiting rod 26 is contacted with the U-shaped frame 2, the positioning block 212 is quickly aligned with the positioning groove 29.

The working principle is as follows: the utility model discloses when daily use, drive bar-shaped piece 22 upward movement through handle 23, compress spring 25, when positioning groove 29 aligns with locating piece 212, under the effect that third magnet 21 and second magnet 210 inhaled mutually, locating piece 212 slip card is into positioning groove 29, realize bar-shaped piece 22's location, then place the lithium cell that will need the test on workstation 1 of clamp plate 24 below, break away from locating piece 212 and positioning groove 29 afterwards, under spring 25's spring action, drive clamp plate 24 downstream, it is fixed to press the lithium cell, realize the frock, avoid the lithium cell dislocation when the test, the lithium cell frock of applicable different specifications simultaneously, it is convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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

1. The utility model provides a lithium cell EIS test fixture, includes workstation (1), its characterized in that: the top of the workbench (1) is fixedly provided with a U-shaped frame (2), the open end of the U-shaped frame (2) faces the workbench (1), the top of the U-shaped frame (2) is provided with a sliding groove (21), a strip-shaped block (22) is inserted in the sliding groove (21) in a sliding mode, the top of the strip-shaped block (22) is fixedly provided with a handle (23), the bottom of the strip-shaped block (22) is fixedly provided with a pressing plate (24), the outer wall of the strip-shaped block (22) is sleeved with a spring (25), and two ends of the spring (25) are fixedly connected with the inner top surface of the U-shaped frame (2) and the top;

one side of bar-shaped piece (22) is equipped with bar groove (27), bar groove (27) internal fixation is equipped with one deck and first magnet (28) that its length degree of depth is the same, bar-shaped piece (22) lateral wall of bar groove (27) below is equipped with constant head tank (29), the inboard of constant head tank (29) is fixed and is equipped with one deck second magnet (210), spout (21) one side is equipped with guide way (211), sliding joint has locating piece (212) in guide way (211), locating piece (212) and constant head tank (29) activity joint, and locating piece (212) are close to the fixed one deck third magnet (213) that is equipped with of one end of spout (21), third magnet (213) and first magnet (28) repel each other, and third magnet (213) and second magnet (210) attract each other.

2. The lithium battery EIS testing tool according to claim 1, characterized in that: the top of the locating block (212) is fixedly provided with a pinching handle (216), and the outer surface of the pinching handle (216) is provided with a layer of anti-slip grains.

3. The lithium battery EIS testing tool according to claim 1, characterized in that: the side walls of the two ends of the positioning block (212) are fixedly provided with limiting blocks (215), and limiting grooves (214) are arranged in the guide grooves (211) in a matching mode with the limiting blocks (215).

4. The lithium battery EIS testing tool according to claim 1, characterized in that: the bottom of the pressing plate (24) is fixedly provided with a layer of silica gel pad, and the shape of the silica gel pad is the same as that of the pressing plate (24).

5. The lithium battery EIS testing tool according to claim 1, characterized in that: the top parts of the two ends of the pressing plate (24) are fixedly provided with limiting rods (26), and the top ends of the limiting rods (26) are in movable contact with the inner top surface of the U-shaped frame (2).