CN217689319U

CN217689319U - Make things convenient for anchor clamps for lithium ion battery test

Info

Publication number: CN217689319U
Application number: CN202220775138.9U
Authority: CN
Inventors: 宗哲; 唐雪; 卢盛辉; 李文康; 周伟; 张薪
Original assignee: Tianke New Energy Co ltd
Current assignee: Tianke New Energy Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-10-28
Anticipated expiration: 2032-04-06

Abstract

The utility model relates to a lithium ion battery technical field just discloses a make things convenient for anchor clamps for lithium ion battery test, press from both sides with the negative plate including positive plate holder, the inner wall edge symmetry fixed mounting that positive plate holder pressed from both sides has the multiunit contact, the shape of contact and the anodal protruding phase-match of battery, and the up end that the negative plate holder pressed from both sides runs through and has seted up logical groove, and the position fixed mounting who corresponds with logical groove on the inner wall that the negative plate holder pressed from both sides has and leads to groove assorted conductive metal plate, and the position fixed mounting corresponding with the contact on conductive metal plate's the outer wall has a plurality of conductive spring contacts, and electric connection has the wire on conductive metal plate's the outer wall. This kind of make things convenient for anchor clamps for lithium ion battery test can test a plurality of free cylindrical lithium cells simultaneously between positive plate holder and the negative plate holder through the extension setting of positive plate holder and negative plate holder, also can be used to test fashioned group battery simultaneously, has strengthened the practicality of device.

Description

Make things convenient for lithium ion battery test to use anchor clamps

Technical Field

The utility model relates to a lithium ion battery technical field specifically is a make things convenient for anchor clamps for lithium ion battery test.

Background

A lithium ion battery is a type of secondary battery that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charging and discharging, li + is inserted and extracted back and forth between two electrodes: during charging, li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true for discharge. The lithium ion battery uses non-aqueous liquid organic electrolyte, and in real life, most of the lithium ion batteries are cylindrical, so that the lithium ion batteries are convenient to assemble and occupy more reasonable space. In the process of testing the lithium ion battery, the contact type clamp can only test the cylindrical single battery, and the formed battery pack cannot be tested.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a make things convenient for anchor clamps for lithium ion battery test to solve the problem that the background art provided.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a make things convenient for anchor clamps for lithium ion battery test, includes that positive plate holder and negative plate holder, the inner wall edge symmetry fixed mounting that positive plate holder pressed from both sides has the multiunit contact, the shape of contact and the anodal protruding phase-match of battery, and the up end of negative plate holder runs through and has seted up logical groove, and the fixed position who corresponds with logical groove on the inner wall of negative plate holder has and leads to groove assorted conductive metal plate, and fixed position with the contact is corresponding on conductive metal plate's the outer wall has a plurality of electrically conductive spring contacts, and electric connection has the wire on conductive metal plate's the outer wall.

Preferably, the number of the contacts in each group is two, and the two contacts are oppositely arranged.

Preferably, a fixing clip is fixedly mounted on the edge of the inner wall of the negative plate clip at a position corresponding to the conductive spring contact.

Preferably, the fixing clip is a circular arc-shaped elastic plastic sheet.

Preferably, the fixing clip is fixedly provided with an anti-skid soft cushion.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of make things convenient for anchor clamps for lithium ion battery test can test a plurality of free cylindrical lithium cells simultaneously between anodal plate holder and the negative plate holder through the extension setting of anodal plate holder and negative plate holder, also can be used to test fashioned group battery simultaneously, has strengthened the practicality of device.

2. This kind of make things convenient for anchor clamps for lithium ion battery test, the setting of fixation clamp can add the negative pole end of battery when the test and hold fixedly for the battery centre gripping is fixed more stably between positive plate holder and negative plate holder, prevents that the contact point between battery outer wall and the negative plate holder inner wall from skidding.

Drawings

Fig. 1 is a schematic view of the overall structure of the main body of the present invention;

FIG. 2 is a schematic view of the overall side view structure of the main body of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a positive plate clamp; 2. a negative plate holder; 3. a contact; 4. a through groove; 5. a conductive metal plate; 6. a fixing clip; 7. a conductive spring contact; 8. and (4) conducting wires.

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 efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, a clamp for testing a lithium ion battery conveniently comprises a positive plate clamp 1 and a negative plate clamp 2, wherein a plurality of groups of contacts 3 are symmetrically and fixedly mounted on the edge of the inner wall of the positive plate clamp 1, the shapes of the contacts 3 are matched with the projections of the battery anode, a through groove 4 is formed in the upper end face of the negative plate clamp 2 in a penetrating manner, a conductive metal plate 5 matched with the through groove 4 is fixedly mounted on the inner wall of the negative plate clamp 2 in a position corresponding to the through groove 4, a plurality of conductive spring contacts 7 are fixedly mounted on the outer wall of the conductive metal plate 5 in a position corresponding to the contacts 3, a lead 8 is electrically connected to the outer wall of the conductive metal plate 5, a plurality of single cylindrical lithium batteries can be tested between the positive plate clamp 1 and the negative plate clamp 2 simultaneously through the lengthened arrangement of the positive plate clamp 1 and the negative plate clamp 2, and the clamp can also be used for testing a formed battery pack, and the practicability of the device is enhanced.

Further, as shown in fig. 1, the number of the contacts 3 in each group is two, and the two contacts 3 are arranged oppositely, and the protrusion for clamping the battery anode between the contacts 3 in each group makes the contact 3 fully contact with the protrusion of the anode battery.

Further, as shown in fig. 2 and fig. 3, a fixing clip 6 is fixedly installed at a position corresponding to the conductive spring contact 7 on the edge of the inner wall of the negative plate clip 2, and the fixing clip 6 can be used for clamping and fixing the negative end of the battery during testing, so that the battery is clamped and fixed between the positive plate clip 1 and the negative plate clip 2 more stably, and the contact point between the outer wall of the battery and the inner wall of the negative plate clip 2 is prevented from slipping.

Further, as shown in fig. 2 and 3, the fixing clip 6 is a circular arc-shaped elastic plastic sheet, and the fixing clip 6 may be deformed to some extent so that the positive electrode plate clip 1 and the negative electrode plate clip 2 stably hold the battery.

Further, as shown in fig. 2 and 3, an anti-slip cushion is fixedly mounted on the fixing clip 6, and the arrangement of the anti-slip cushion increases the friction force between the fixing clip 6 and the outer wall of the battery, so that the battery is prevented from falling off from the negative plate clip 2 during testing.

The working principle is as follows: when the testing device is used, a battery to be tested is placed between the positive plate clamp 1 and the negative plate clamp 2, wherein the protrusion for clamping the battery anode can be formed between each group of contacts 3 arranged on the positive plate clamp 1, the negative end of the corresponding battery is clamped and fixed between the fixing clamps 6 arranged on the negative plate clamp 2, at the moment, the tail ends of a plurality of conductive spring contacts 7 fixedly connected on the conductive metal plate 5 are in contact with the negative electrode of the battery, and the positive plate clamp 1 and the negative plate clamp 2 can be used for testing a plurality of batteries simultaneously and can also be used for testing a formed battery pack due to the fact that the plurality of groups of contacts 3 and the fixing clamps 6 are arranged on the inner walls of the positive plate clamp 1 and the negative plate clamp 2, and the practicability of the testing device is enhanced.

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 make things convenient for anchor clamps for lithium ion battery test, includes anodal plate holder (1) and negative plate holder (2), its characterized in that: the utility model discloses a battery, including anodal plate clamp (1), the inner wall edge symmetry fixed mounting of anodal plate clamp (1) has multiunit contact (3), the shape of contact (3) and the anodal protruding phase-match of battery, the up end of negative plate clamp (2) runs through and has seted up logical groove (4), the position fixed mounting who corresponds with logical groove (4) on the inner wall of negative plate clamp (2) has with logical groove (4) assorted electrically conductive metal sheet (5), have a plurality of electrically conductive spring contacts (7) with the corresponding position fixed mounting of contact (3) on the outer wall of electrically conductive metal sheet (5), electric connection has wire (8) on the outer wall of electrically conductive metal sheet (5).

2. The clamp for facilitating the testing of the lithium ion battery according to claim 1, characterized in that: the number of the contacts (3) in each group is two, and the two contacts (3) are oppositely arranged.

3. The clamp for facilitating the testing of the lithium ion battery according to claim 1, characterized in that: and a fixing clamp (6) is fixedly arranged at the position, corresponding to the conductive spring contact (7), of the edge of the inner wall of the negative plate clamp (2).

4. The clamp convenient for testing the lithium ion battery as claimed in claim 3, wherein: the fixing clip (6) is a circular arc elastic plastic sheet.

5. The clamp convenient for testing the lithium ion battery as claimed in claim 3, wherein: and an anti-skid soft pad is fixedly arranged on the fixing clamp (6).