CN218240340U

CN218240340U - Lithium battery testing device

Info

Publication number: CN218240340U
Application number: CN202220130271.9U
Authority: CN
Inventors: 陈伟; 彭国辉; 朱乃靖; 吴志友; 黄志明; 许明珠
Original assignee: Zhongshan Zhongwangde New Energy Technology Co ltd
Current assignee: Zhongshan Zhongwangde New Energy Technology Co ltd
Priority date: 2022-01-18
Filing date: 2022-01-18
Publication date: 2023-01-06
Anticipated expiration: 2032-01-18

Abstract

The utility model discloses a lithium battery testing device, which comprises a box body, a box door and at least one tray, wherein the box body is provided with an inner cavity with an opening; the chamber door and box swing joint, and the chamber door can open or close the opening, and the tray sets up in the inner chamber, and a plurality of ventilation holes have all been seted up to every tray. Through set up a plurality of ventilation holes on the tray, help the air heat convection in the inner chamber, temperature everywhere in the inner chamber can tend to unanimity as far as possible for the battery on the tray is heated more evenly, and the test result is more accurate.

Description

Lithium battery testing device

Technical Field

The utility model relates to a lithium cell technical field, in particular to lithium cell testing arrangement.

Background

In the production and use process of the lithium battery, the lithium battery needs to be tested in various performances such as discharge performance, storage performance, safety performance and the like. Traditional lithium cell testing arrangement utilizes anchor clamps to put into the tray after with battery centre gripping to put into the box with the tray and test the battery. Although the method can test various performances of the battery, air in the box body cannot flow well, so that the battery on the tray is heated unevenly, and the test result is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a lithium battery testing arrangement, the hot convection of the air in the box of being convenient for everywhere temperature in the box can tend to unanimity as far as possible, and the test result is more accurate.

According to the utility model discloses lithium cell testing arrangement, include:

a box body provided with an inner cavity with an opening;

the box door is movably connected with the box body and can open or close the opening;

at least one tray disposed in the interior cavity;

wherein, every a plurality of ventilation holes have all been seted up to the tray.

According to the utility model discloses lithium battery testing arrangement has following beneficial effect at least:

through set up a plurality of ventilation holes on the tray, the hot convection of air in the box of being convenient for, temperature everywhere in the box can tend to unanimity as far as possible for the battery on the tray is heated more evenly, and the test result is more accurate.

According to some embodiments of the invention, the tray is provided with at least one mounting seat for mounting a clamp.

According to the utility model discloses a few embodiments, every a plurality ofly have all been seted up to one side of mount pad the ventilation hole.

According to some embodiments of the utility model, the tray is provided with a plurality of the mount pad, it is a plurality of the mount pad interval sets up.

According to the utility model discloses a some embodiments, at least one line hole has been seted up to the tray.

According to some embodiments of the present invention, a plurality of the vent holes are formed on one side of each of the mounting seats;

at least one wire passing hole is formed in one side, far away from the vent hole, of each mounting seat.

According to some embodiments of the utility model, the tray with box sliding connection, the tray can slide in or roll-off the inner chamber.

According to some embodiments of the utility model, every the one end or both ends of tray with be provided with the spout between the inner wall of box, the spout set up in the inner wall of box, the movable cartridge of tray in the spout, the tray can along the spout removes the business turn over the inner chamber.

According to some embodiments of the invention, the tray is provided with a gripping portion near the open end.

According to some embodiments of the invention, the tray is an insulating tray.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a lithium battery testing device according to an embodiment of the present invention;

fig. 2 is a schematic view of a tray according to an embodiment of the present invention;

fig. 3 is a top view of the tray shown in fig. 2.

Reference numerals:

a box body 100, an inner cavity 110 and a chute 120;

the tray 200, the vent holes 210, the wire passing holes 220, the holding part 230 and the mounting seat 240;

a clamp 300, a positive clamp 310, a negative clamp 320;

a battery 400.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 3, an embodiment of the present invention provides a lithium battery testing apparatus, including a box 100, a box door (not shown), and two trays 200, wherein the box 100 is provided with an inner cavity 110 having an opening; the box door is movably connected with the box body 100 and can open or close the opening; the trays 200 are disposed in the inner cavity 110 of the case 100, and each tray 200 is opened with a plurality of ventilation holes 210. When the battery 400 needs to be tested, the battery 400 is clamped by the clamp 300 and then placed into the tray 200, and the tray 200 is placed into the inner cavity 110 for testing. Through set up a plurality of ventilation holes 210 on tray 200, the thermal convection of the air in the inner chamber 110 of being convenient for, the temperature everywhere in the inner chamber 110 can be as far as possible unanimous for battery 400 on tray 200 is heated more evenly, and the test result is more accurate.

It is understood that the above-mentioned lithium battery testing device includes two trays 200, which is only an exemplary illustration for fig. 1 to 3, and does not represent that two trays 200 must be provided, and the lithium battery testing device may also include one or three or more trays 200, and the present invention is not particularly limited to the specific number of trays 200, and it is only necessary to ensure that the lithium battery testing device includes at least one tray 200.

It will be appreciated that the door may be pivotally connected, e.g., hinged, to the cabinet 100.

Referring to fig. 1-3, in some embodiments of the present invention, the tray 200 is provided with at least one mounting seat 240 for mounting a clamp 300. When the battery test is needed, the fixture 300 is mounted on the mounting seat 240 of the tray 200, the battery 400 is mounted on the fixture 300, and then the tray 200 with the battery 400 mounted thereon is placed in the inner cavity 110 for testing. If the jigs 300 holding the batteries 400 are directly placed on the tray 200, the batteries 400 are likely to be stacked together disorderly, which causes inconvenience in operation for workers, and the jigs 300 are likely to collide with each other, which causes short-circuiting of some of the batteries 400, resulting in test failure. Through set up at least one mount pad 240 that is used for sectional fixture 300 on tray 200, can rationally fix the installation of anchor clamps 300 on tray 200 in an orderly manner, and then can avoid appearing the condition that battery 400 placed in tray 200 in a disorderly way, improve the accuracy of test result to a certain extent.

It is understood that each mounting seat 240 may mount at least one set of clamps 300, each set of clamps 300 includes a positive clamp 310 and a negative clamp 320, and the positive clamp 310 and the negative clamp 320 are spaced apart from each other.

Referring to fig. 1 to 3, in some embodiments of the present invention, a plurality of ventilation holes 210 are opened at one side of each mounting seat 240. When the battery 400 needs to be tested, the clamping end of the clamp 300 is mounted at one end of the mounting base 240 close to the vent 210, so that the clamped battery 400 is located above the vent 210, wherein the clamping end of the clamp 300 refers to one end of the clamp 300 capable of clamping the battery 400. The arrangement of the ventilation holes 210 helps the thermal convection of air in the inner cavity 110, and the temperature of the inner cavity 110 can be as uniform as possible, so that the batteries 400 on the tray 200 are heated more uniformly, and the test result is more accurate. Clamping the battery 400 above the vent 210 further allows the battery 400 to be heated more uniformly, further enhancing the accuracy of the test results.

Referring to fig. 1 to 3, in some embodiments of the present invention, the tray 200 is provided with three bar-shaped mounting seats 240, and the three bar-shaped mounting seats 240 are spaced apart from each other, and a plurality of ventilation holes 210 are opened on one side of each mounting seat 240. In use, each mounting base 240 can mount multiple sets of clamps 300, and the clamping ends of the clamps 300 are mounted at the ends of the mounting bases 240 near the vent holes 210, wherein the clamping ends of the clamps 300 refer to the ends of the clamps 300 capable of clamping the batteries 400. The plurality of mounting seats 240 are arranged, so that the number of the clamps 300 which can be mounted on the tray 200 can be increased, the test device can test a plurality of batteries 400 at the same time, and the test efficiency is improved.

It is to be understood that the tray 200 is provided with three mounting seats 240, which is only an exemplary illustration of fig. 1 to 3, and does not represent that the tray 200 must be provided with three mounting seats 240. The number of the mounting seats 240 provided on the tray 200 may also be two or four or more, and the present invention is not limited thereto.

It is understood that the mounting seat 240 is in the shape of a bar, which is only an exemplary illustration for fig. 1 to 3, and does not mean that the mounting seat 240 must be in the shape of a bar, and the mounting seat 240 may also be in the shape of a square or other shapes, and the invention is not limited to the specific shape of the mounting seat 240.

Referring to fig. 1 to 3, in some embodiments of the present invention, the tray 200 is opened with at least one wire passing hole 220. At least one wire through hole 220 is formed in the tray 200, and the connecting wires of the clamp 300 can pass through the wire through hole 220 when the clamp 300 is installed, so that the connecting wires of the clamp 300 are prevented from being entangled with each other and inconvenient for operation of a worker.

Referring to fig. 1 to 3, in some embodiments of the present invention, a plurality of vent holes 210 are disposed on one side of each mounting seat 240, and at least one wire passing hole 220 is disposed on one side of each mounting seat 240 away from the vent holes 210. Wire passing hole 220 and vent hole 210 are respectively opened at two sides of mounting base 240, in use, the clamping end of clamp 300 is installed at one end of mounting base 240 close to vent hole 210, the non-clamping end of clamp 300 is located at one end of mounting base 240 close to wire passing hole 220, namely, wire passing hole 220 and vent hole 210 are respectively located at two sides of clamp 300, therefore, the connecting wire of each group of clamps 300 can pass through wire passing hole 220 and is not easy to be wound together in the wiring process, and simultaneously, the clamped battery 400 is located above vent hole 210 and can enable battery 400 to be heated more uniformly, and the accuracy of test results is further enhanced.

It is understood that the clamping end of the clamp 300 refers to an end of the clamp 300 capable of clamping the battery 400, and the non-clamping end of the clamp 300 refers to an end of the clamp 300 remote from the clamping end.

It can be understood that, in fig. 1 to 3, a plurality of wire passing holes 220 are opened on one side of each mounting seat 240 away from the vent hole 210, and a plurality of sets of clamps 300 are installed on one side of the plurality of wire passing holes 220 in a one-to-one correspondence manner, the clamping ends of the clamps 300 are installed at one ends of the mounting seats 240 close to the vent hole 210, and the non-clamping ends of the clamps 300 are located at one ends of the mounting seats 240 close to the wire passing holes 220, so that the connecting wires of each set of clamps 300 can pass through the corresponding wire passing holes 220, and the connecting wires of each set of clamps 300 are not easily wound together in the installation process. Of course, not only the side of each mounting base 240 away from the vent 210 must be provided with a plurality of wire passing holes 220, but also the multiple sets of clamps 300 must not be provided with a plurality of wire passing holes 220 in a one-to-one correspondence manner, and it is only necessary to ensure that each mounting base 240 away from the vent 210 has at least one wire passing hole 220, and the connecting wires of each set of clamps 300 can pass through the wire passing holes 220.

Referring to fig. 1, in some embodiments of the present invention, the tray 200 is slidably coupled to the housing 100, and the tray 200 can slide into or out of the inner cavity 110. When the battery test is needed, the tray 200 is only required to slide out of the inner cavity 110, the clamp 300 clamping the battery 400 is placed in the tray 200, and then the tray 200 is slid into the inner cavity 110. With tray 200 and box 100 sliding connection for staff's operation is more convenient, and then can improve work efficiency to a certain extent.

Referring to fig. 1, in some embodiments of the present invention, a sliding groove 120 is disposed between two ends of each tray 200 and an inner wall of the box 100, the sliding groove 120 is disposed on the inner wall of the box, two ends of each tray 200 are movably inserted into the sliding grooves 120 on the inner walls of two sides of the box in a one-to-one correspondence manner, and the tray 200 can move along the sliding groove 120 to enter and exit the inner cavity 110. When the battery test is needed, the tray 200 is slid out of the inner cavity 110 along the sliding groove 120, the clamp 300 holding the battery 400 is placed in the tray 200, and then the tray 200 is slid into the inner cavity 110 along the sliding groove 120. Therefore, the operation of workers can be more convenient and fast, and the working efficiency can be improved to a certain extent.

It is understood that the sliding grooves 120 are provided between both ends of each tray 200 and the inner wall of the box 100, which is only an exemplary illustration of fig. 1, and do not represent that the sliding grooves 120 must be provided between both ends of each tray 200 and the inner wall of the box 100, or the sliding grooves 120 may be provided between only one end of the tray 200 and the inner wall of the box 100, and the present invention is not limited thereto. When the sliding groove 120 is formed between only one end of the tray 200 and the inner wall of the box 100, a boss may be disposed on the inner wall of the box 100 opposite to the sliding groove 120, and the boss may be used to receive the end of the tray 200 far from the sliding groove 120, so that the tray 200 may move more stably into and out of the inner cavity 110.

It is understood that the sliding groove 120 is disposed on the inner wall of the box body, which is only an exemplary illustration for fig. 1, and does not mean that the sliding groove 120 must be disposed on the inner wall of the box body 100. Sliding connection between tray 200 and box 100 also can set up spout 120 at the one end of tray 200 or both ends, sets up the slide rail at box 100 and the corresponding inner wall of spout 120, to this, the utility model discloses do not specifically prescribe a limit to, only need can realize tray 200 and box 100 between sliding connection can.

Referring to fig. 1 to 3, in some embodiments of the present invention, a holding portion 230 is provided at one end of the tray 200 near the opening. Through set up gripping portion 230 in tray 200 near open-ended one end, can be convenient for the staff with tray 200 pull out or push into inner chamber 110, the simple operation, convenient to use.

It is understood that the holding portion 230 may be a through hole or a blind hole formed in the tray 200, or a protrusion disposed on the tray 200, which is not limited in the present invention.

In some embodiments of the present invention, the tray 200 is an insulating tray 200. Most of the trays 200 currently used in the market are stainless steel trays 200, and in the process of mounting the battery 400 on the tray 200, problems such as short circuit are likely to occur, and the problem can be avoided by providing the tray 200 as the insulating tray 200.

It is understood that the insulation tray 200 may be specifically a bakelite insulation tray 200. Bakelite, chemical name of phenolic plastic, has good insulativity and high temperature resistance. Using the bakelite insulating tray 200, the problems of short, etc. occurring in the installation process of the battery 400 can be avoided. Of course, the insulating tray 200 may be made of bakelite, ceramic material or other insulating material, but the invention is not limited thereto.

The lithium battery testing device of the present invention is described in detail below according to an embodiment.

Referring to fig. 1 to 3, an embodiment of the present invention provides a lithium battery testing apparatus, including a box 100, a box door (not shown), and two trays 200, wherein the box 100 is provided with an inner cavity 110 having an opening; the box door is movably connected with the box body 100 and can open or close the opening; the trays 200 are disposed in the inner cavity 110 of the case 100, and each tray 200 is opened with a plurality of ventilation holes 210. Each tray 200 is provided with three strip-shaped mounting seats 240, the three mounting seats 240 are arranged at intervals, each mounting seat 240 can be provided with at least one group of clamps 300, and each group of clamps 300 comprises a positive clamp 310 and a negative clamp 320 which are arranged at intervals; a plurality of vent holes 210 are formed in one side of each mounting seat 240, a plurality of wire passing holes 220 are formed in the other side of each mounting seat 240, a chute 120 is formed between each end of each tray 200 and the inner wall of the box body 100, the chute 120 is formed in the inner wall of the box body 100, and the trays 200 can move in and out of the inner cavity 110 along the chute 120; the tray 200 is further provided with a holding portion 230 at an end close to the opening for pushing the tray 200 into or pulling the tray 200 out of the inner cavity 110, and the holding portion 230 is specifically a through hole opened in the tray 200. When a battery test is required, the tray 200 is pulled out of the inner cavity 110 through the holding part 230, the clamps 300 are mounted on the mounting seats 240, at least one group of clamps 300 can be mounted on each mounting seat 240, the connecting wires of the clamps 300 pass through the wire passing holes 220, the clamping ends of the clamps 300 are mounted at one ends of the mounting seats 240 close to the vent holes 210, the battery 400 is mounted at the clamping ends of the clamps 300 and located above the vent holes 210, wherein the clamping ends of the clamps 300 refer to one ends of the clamps 300 capable of clamping the battery 400; the tray 200 is pushed into the cavity 110 by the grip 230, and then the test can be started. The plurality of vent holes 210 are formed in the tray 200, so that heat convection of air in the inner cavity 110 is facilitated, the temperature of each position in the inner cavity 110 can be as consistent as possible, the battery 400 on the tray 200 is heated more uniformly, and the test result is more accurate.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. Lithium cell testing arrangement, its characterized in that includes:

a box body (100) provided with an inner cavity (110) with an opening;

the box door is movably connected with the box body (100) and can open or close the opening;

at least one tray (200), said tray (200) being disposed within said interior cavity (110);

wherein, each tray (200) is provided with a plurality of vent holes (210).

2. The lithium battery testing device according to claim 1, characterized in that the tray (200) is provided with at least one mounting seat (240) for mounting a clamp (300).

3. The lithium battery testing device according to claim 2, wherein a plurality of the vent holes (210) are opened at one side of each of the mounting seats (240).

4. The lithium battery testing device according to claim 3, characterized in that the tray (200) is provided with a plurality of the mounting seats (240), and the plurality of the mounting seats (240) are arranged at intervals.

5. The lithium battery testing device as recited in claim 2, characterized in that the tray (200) is provided with at least one wire through hole (220).

6. The lithium battery testing device according to claim 5, wherein a plurality of the vent holes (210) are formed at one side of each of the mounting seats (240);

at least one wire passing hole (220) is formed in one side, far away from the vent hole (210), of each mounting seat (240).

7. The lithium battery testing device according to claim 1, characterized in that the tray (200) is slidably connected to the box (100), the tray (200) being slidable into or out of the inner cavity (110).

8. The lithium battery testing device according to claim 7, wherein a sliding groove (120) is formed between one end or both ends of each tray (200) and the inner wall of the box body (100), the sliding groove (120) is formed in the inner wall of the box body (100), the tray (200) is movably inserted into the sliding groove (120), and the tray (200) can move into and out of the inner cavity (110) along the sliding groove (120).

9. The lithium battery testing device according to claim 7, characterized in that one end of the tray (200) near the opening is provided with a grip (230).

10. The lithium battery testing device according to claim 1, characterized in that the tray (200) is an insulating tray.