CN219608980U - Positioning device for testing battery cell - Google Patents

Abstract

The utility model provides a cell testing and positioning device, which comprises: a platform part; the limiting part is arranged above the platform part and used for limiting the position of the main body part of the battery cell; the cover pressing part is arranged on the upper surface of the platform part and positioned at the side part of the limiting part, and comprises a lug for fixing the battery cell and a pressing block of a test connector connected with the lug; the microneedle detection device is arranged on the platform part and positioned below the test connector; the backstop portion is arranged above the platform portion and located below the pressing block, the backstop portion comprises a backstop body and a convex edge portion, the convex edge portion is arranged on the backstop body and extends along the width direction of the backstop body, the backstop body is arranged above the platform portion, an interval is reserved between the convex edge portion and the upper surface of the platform portion to form a limit groove, and a part of the structure of the test connector is inserted into the limit groove. The technical scheme of the utility model effectively solves the problem of poor fixing effect of the connector during cell detection in the related technology.

Description

Positioning device for testing battery cell

Technical Field

The utility model relates to the technical field of battery cell detection, in particular to a battery cell testing and positioning device.

Background

With the continuous development of electronic devices, batteries as power supplies for the electronic devices have also been greatly developed. The battery generally comprises a battery cell, a protective plate positioned at the front end of the battery cell and other related structural components. The cells need to be tested prior to battery assembly, i.e., by microneedle testing.

In the related art, the battery cell is fixed through fixing device, and utmost point ear and connector pass through the briquetting fixed, and then contact with microneedle testing arrangement, and the briquetting only is from vertical direction fixed connector, leads to the fixed unstability of connector like this easily, and the connector takes place to remove along the horizontal direction easily.

Disclosure of Invention

The utility model mainly aims to provide a battery cell testing and positioning device which is used for solving the problem that a connector is poor in fixing effect during battery cell detection in the related technology.

In order to achieve the above object, the present utility model provides a positioning device for testing a battery cell, including: a platform part; the limiting part is arranged above the platform part and used for limiting the position of the main body part of the battery cell; the cover pressing part is arranged on the upper surface of the platform part and positioned at the side part of the limiting part, and comprises a lug for fixing the battery cell and a pressing block of a test connector connected with the lug; the microneedle detection device is arranged on the platform part and positioned below the test connector; the backstop portion is arranged above the platform portion and located below the pressing block, the backstop portion comprises a backstop body and a convex edge portion, the convex edge portion is arranged on the backstop body and extends along the width direction of the backstop body, the backstop body is arranged above the platform portion, an interval is reserved between the convex edge portion and the upper surface of the platform portion to form a limit groove, and a part of the structure of the test connector is inserted into the limit groove.

Further, the stop body comprises a first stop bar and a second stop bar connected with the first stop bar at an angle, the convex edge part comprises a first convex edge extending along the length of the first stop bar and a second convex edge extending along the length of the second stop bar, the limiting groove comprises a first groove body positioned between the first convex edge and the platform part and a second groove body positioned between the second convex edge and the platform part, one of two adjacent sides of the test connector is inserted into the first groove body, and the other of the two adjacent sides of the test connector is inserted into the second groove body. .

Further, a first guide inclined plane is arranged on one side of the stop body, facing the test connector, a second guide inclined plane is arranged on one side of the convex edge part, facing the test connector, and the first guide inclined plane and the second guide inclined plane are arranged in a coplanar mode.

Further, the convex edge part also comprises a vertical surface, wherein the vertical surface is positioned below the second guide inclined surface and is connected with the second guide inclined surface, and an arc transition is formed between the vertical surface and the second guide inclined surface.

Further, the cover pressing part further comprises a fixing table and a torsion spring, the fixing table is fixedly arranged on the platform part, the pressing block is arranged on the fixing table in an openable mode, the torsion spring is arranged between the first end of the pressing block and the first end of the fixing table, and the second end of the pressing block extends out of the second end of the fixing table.

Further, the cover pressing part further comprises a locking structure, the locking structure is arranged between the pressing block and the fixed table, the locking structure is provided with a locking position and an unlocking position, when the locking structure is positioned at the locking position, the transverse axis of the pressing block and the transverse axis of the fixed table are arranged in parallel, and when the locking structure is positioned at the unlocking position, an included angle is formed between the transverse axis of the pressing block and the transverse axis of the fixed table.

Further, the locking structure comprises a lock column and a lock arm, the end part of the lock arm is provided with a lock hook, the lock hook is matched with the lock column in a clamping way, the pressing block is provided with a containing hole, and the lock column is arranged in the containing hole.

Further, the locking structure further comprises a connecting plate, the connecting plate and the locking arm are connected and extend out of the fixed table, and the connecting plate drives the locking arm to swing so as to enable the locking structure to be switched between a locking position and an unlocking position.

Further, the cell test positioning device further comprises a push structure, wherein the push structure is arranged on the upper surface of the platform part and is arranged at intervals with the limiting part and the cover pressing part, and the push structure pushes the test connector.

Further, the pushing structure comprises a pushing block and an elastic piece, the elastic piece drives the pushing block to be in butt fit with the test connector, an inner concave angle is formed in one side, facing the test connector, of the pushing block, and a third guide inclined plane is arranged between the upper surface of the pushing block and the inner concave angle.

By applying the technical scheme of the utility model, the limiting part is arranged on the platform part, the limiting part can limit the position of the main body part of the battery cell, the cover pressing part is arranged on the upper surface of the platform part and positioned at the side part of the limiting part, and comprises a pressing block which can press the lug of the battery cell and a test connector connected with the lug. The micro-needle detection device is arranged on the platform part and located below the test connector, and can be in contact with the test connector to detect the battery cell. The backstop portion sets up in the top of platform portion and is located the below of briquetting, and the backstop portion includes backstop body and protruding portion along the portion, and protruding portion along setting up on the backstop body and along the direction extension of being on a parallel with platform portion and protruding portion along the width direction extension of backstop body, and the backstop body sets up on the platform portion, has the interval and forms the spacing groove between protruding portion and the upper surface of platform portion, and test connector's partial structure inserts to the spacing inslot. Through foretell setting, when detecting the electric core, the part side of test connector inserts in the spacing groove to push down test connector through the briquetting, make test connector's position more stable like this, test connector is difficult for taking place to remove promptly, and then can make the accuracy of the detection of electric core better. Therefore, the technical scheme of the utility model effectively solves the problem of poor fixing effect of the connector during cell detection in the related technology.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic perspective view of an embodiment of a cell test fixture according to the present utility model;

fig. 2 is a schematic perspective view showing a structure of the battery cell test positioning apparatus of fig. 1 without a battery cell mounted;

FIG. 3 shows a partial enlarged view of the cell test fixture of FIG. 2 at A;

fig. 4 is a schematic perspective view showing a part of the structure of the cell test positioning device in fig. 1;

FIG. 5 shows a partial enlarged view of the cell test fixture of FIG. 4 at B;

fig. 6 shows a partial enlarged view of the cell test fixture of fig. 4 at C.

Wherein the above figures include the following reference numerals:

1. a battery cell; 10. a platform part; 20. a limit part; 30. a cover pressing part; 31. briquetting; 311. a receiving hole; 32. a fixed table; 33. a torsion spring; 34. a locking structure; 341. locking a column; 342. a locking arm; 3421. a latch hook; 343. a connecting plate; 40. a microneedle detection device; 50. a stop portion; 51. a stop body; 511. a first barrier strip; 512. a second barrier strip; 52. a flange 521, a first flange; 522. a second flange; 523. a second guiding inclined surface; 524. a vertical surface; 53. a limit groove; 531. a first tank body; 532. a second tank body; 60. a push structure; 61. pushing the top block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

As shown in fig. 1 to 3, in the present embodiment, the cell test positioning apparatus includes: platform 10, limit part 20, cap pressing part 30, microneedle detection device 40, and stopper 50. The limiting portion 20 is disposed above the platform portion 10, and the limiting portion 20 is used to limit the position of the main body portion of the battery cell 1. The cover pressing part 30 is disposed on the upper surface of the platform part 10 and located at the side of the limiting part 20, and the cover pressing part 30 includes a pressing block 31 for fixing the tab of the battery cell 1 and a test connector connected with the tab. The microneedle detection device 40 is disposed on the platform portion 10 below the test connector. The stopper 50 is disposed above the platform 10 and below the press block 31, the stopper 50 includes a stopper body 51 and a flange 52, the flange 52 is disposed on the stopper body 51 and extends in a width direction of the stopper body 51, the stopper body 51 is disposed above the platform 10, a space is provided between the flange 52 and an upper surface of the platform 10 to form a limit groove 53, and a part of the structure of the test connector is inserted into the limit groove 53.

By applying the technical scheme of the embodiment, the limiting part 20 is arranged on the platform part 10, the limiting part 20 can limit the position of the main body part of the battery cell 1, the cover pressing part 30 is arranged on the upper surface of the platform part 10 and positioned on the side part of the limiting part 20, the cover pressing part 30 comprises a pressing block 31, and the pressing block 31 can press the tab of the battery cell 1 and a test connector connected with the tab. The microneedle detection device 40 is disposed on the platform portion 10 below the test connector, and the microneedle detection device 40 is capable of contacting the test connector and detecting the cell 1. The stopper 50 is disposed above the platform 10 and below the press block 31, the stopper 50 includes a stopper body 51 and a flange 52, the flange 52 is disposed on the stopper body 51 and extends in a direction parallel to the platform 10 and the flange 52 extends in a width direction of the stopper body 51, the stopper body 511 is disposed on the platform, a space is provided between the flange 52 and an upper surface of the platform 10 and a limit groove 53 is formed, and a part of the test connector is inserted into the limit groove 53. Through the above-mentioned setting, when detecting electric core 1, the partial side of test connector inserts in spacing groove 53 to push down test connector through briquetting 31, make test connector's position more stable like this, test connector is difficult for taking place to remove promptly, and then can make the accuracy of the detection of electric core 1 better. Therefore, the technical scheme of the embodiment effectively solves the problem of poor fixing effect of the connector during cell detection in the related technology.

As shown in fig. 2 to 5, in the present embodiment, the stopper body 51 includes a first barrier rib 511 and a second barrier rib 512 angularly connected to the first barrier rib 511, the flange portion 52 includes a first flange 521 extending along the length of the first barrier rib 511 and a second flange 522 extending along the length of the second barrier rib 512, the limit groove 53 includes a first groove 531 between the first flange 521 and the platform portion 10 and a second groove 532 between the second flange 522 and the platform portion 10, one of two adjacent sides of the test connector is inserted into the first groove 531, and the other one of two adjacent sides of the test connector is inserted into the second groove 532. . A first groove 531 is formed between the first barrier rib 511 and the platform 10, and a second groove 532 is formed between the second barrier rib 512 and the platform 10, and the first groove 531 and the second groove 532 are disposed adjacently, so that two adjacent sides of the test connector can be inserted into the first groove 531 and the second groove 532, respectively. And further, the position of the test connector is more stable.

Of course, in the embodiment not shown in the drawings, the stop body further includes a third stop bar, and the limit slot further includes a third slot body, so that three adjacent sides of the test connector can be respectively inserted into the first slot body, the second slot body and the third slot body, so that the stability of the position of the test connector can be further improved.

As shown in fig. 2 to 5, in the present embodiment, a side of the stopper body 51 facing the test connector is provided with a first guide slope, a side of the flange portion 52 facing the test connector is provided with a second guide slope 523, and the first guide slope and the second guide slope 523 are disposed coplanar. The first guide slope and the second guide slope 523 are simple in structure, convenient to set, and when the test connector is mounted, the first guide slope and the second guide slope 523 can play a role in guiding the test connector, so that the test connector is prevented from being clamped.

As shown in fig. 2 to 5, in the present embodiment, the convex edge portion 52 further includes a vertical surface 524, and the vertical surface 524 is located below the second guide slope 523 and is connected to the second guide slope 523, and an arc transition is formed between the vertical surface 524 and the second guide slope 523. The above arrangement can make the overall structure of the convex edge 52 more regular, and the arc transition can reduce friction resistance, thereby making the installation of the test connector easier.

As shown in fig. 2, 4 and 6, in the present embodiment, the cover pressing portion 30 further includes a fixing table 32 and a torsion spring 33, the fixing table 32 is fixedly provided on the platform portion 10, the pressing block 31 is openably provided on the fixing table 32, the torsion spring 33 is provided between a first end of the pressing block 31 and a first end of the fixing table 32, and a second end of the pressing block 31 protrudes from a second end of the fixing table 32. The fixed stage 32 is fixed on the platform part 10, so that the fixed stage 32 is stable in position, and the torsion springs 33 can provide power for the pressing blocks 31, so that the pressing blocks 31 can better press the test controller.

As shown in fig. 2, 4 and 6, in the present embodiment, the cover pressing portion 30 further includes a locking structure 34, the locking structure 34 is disposed between the pressing block 31 and the fixing table 32, the locking structure 34 has a locking position and an unlocking position, when the locking structure 34 is in the locking position, the lateral axis of the pressing block 31 and the lateral axis of the fixing table 32 are disposed in parallel, and when the locking structure 34 is in the unlocking position, an angle is formed between the lateral axis of the pressing block 31 and the lateral axis of the fixing table 32. The position of briquetting 31 can be guaranteed in setting up of locking structure 34, and then makes the position of briquetting 31 more stable, also can improve the stability that briquetting 31 pushed down test controller 2 simultaneously.

It should be noted that when the torsion spring 33 and the locking structure 34 are both present, the torsion spring 33 provides power for opening the pressing block 31, that is, the locking structure 34 is unlocked, and the pressing block 31 is separated from the test connector under the action of the torsion spring 33.

As shown in fig. 2, 4 and 6, in the present embodiment, the locking structure 34 includes a lock cylinder 341 and a lock arm 342, the end of the lock arm 342 is provided with a lock hook 3421, the lock hook 3421 is engaged with the lock cylinder 341 in a clamping manner, the pressing block 31 is provided with a receiving hole 311, and the lock cylinder 341 is disposed in the receiving hole 311. The above arrangement can effectively realize locking of the pressing block 31.

As shown in fig. 2, 4 and 6, in the present embodiment, the locking structure 34 further includes a connecting plate 343, the connecting plate 343 and the locking arm 342 are connected and extend out of the fixed platform 32, the connecting plate 343 drives the locking arm 342 to swing so as to switch the locking structure 34 between the locking position and the unlocking position, and the connecting plate 343 is in a bent shape. The structure of the connection plate 343 is simple, the connection plate 343 is convenient to set, and when in operation, the connection plate 343 is pressed to enable the locking arm 342 to swing so as to unlock the locking structure 34.

As shown in fig. 1 to 6, in the present embodiment, the electrical core testing positioning device further includes an ejector structure 60, where the ejector structure 60 is disposed on the upper surface of the platform portion 10 and spaced from the limiting portion 20 and the cover pressing portion 30, and the ejector structure 60 ejects the testing connector. The provision of the ejector structure 60 can further enhance the fixing effect on the test controller 2.

As shown in fig. 1 to 6, in the present embodiment, the ejector structure 60 includes an ejector block 61 and an elastic member, the elastic member drives the ejector block 61 to be in abutting engagement with the test connector, an inner concave angle is provided on a side of the ejector block 61 facing the test connector, and a third guiding inclined plane is provided between an upper surface of the ejector block 61 and the inner concave angle. The pushing block 61 can push the test controller 2 under the action of the elastic piece, when the test controller 2 needs to be disassembled, the pushing block 61 is pulled to enable the pushing block 61 to press the elastic piece, and then the pushing block 61 is separated from the test controller 2.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a electricity core test positioner which characterized in that includes:

a platform (10);

the limiting part (20) is arranged above the platform part (10), and the limiting part (20) is used for limiting the position of the main body part of the battery cell (1);

the cover pressing part (30) is arranged on the upper surface of the platform part (10) and positioned at the side part of the limiting part (20), and the cover pressing part (30) comprises a lug for fixing the battery cell (1) and a pressing block (31) of a test connector connected with the lug;

a microneedle detection device (40) disposed on the platform portion (10) and below the test connector;

the stop part (50) is arranged above the platform part (10) and below the pressing block (31), the stop part (50) comprises a stop body (51) and a convex edge part (52), the convex edge part (52) is arranged on the stop body (51) and extends along the width direction of the stop body (51), the stop body (51) is arranged above the platform part (10), an interval is reserved between the convex edge part (52) and the upper surface of the platform part (10) to form a limit groove (53), and part of the structure of the test connector is inserted into the limit groove (53).

2. The device according to claim 1, wherein the stop body (51) comprises a first stop bar (511) and a second stop bar (512) connected at an angle to the first stop bar (511), the flange portion (52) comprises a first flange (521) extending along the length of the first stop bar (511) and a second flange (522) extending along the length of the second stop bar (512), the limit groove (53) comprises a first groove (531) between the first flange (521) and the platform (10) and a second groove (532) between the second flange (522) and the platform (10), one of two adjacent sides of the test connector is inserted into the first groove (531), and the other of the two adjacent sides of the test connector is inserted into the second groove (532).

3. The cell testing and positioning device according to claim 1, wherein a side of the stop body (51) facing the test connector is provided with a first guiding inclined surface, a side of the ledge (52) facing the test connector is provided with a second guiding inclined surface (523), and the first guiding inclined surface and the second guiding inclined surface (523) are arranged coplanar.

4. A cell testing and positioning device according to claim 3, wherein the protruding edge (52) further comprises a vertical surface (524), the vertical surface (524) being located below the second guiding inclined surface (523) and being connected to the second guiding inclined surface (523), an arc transition being provided between the vertical surface (524) and the second guiding inclined surface (523).

5. The cell testing and positioning device according to claim 1, wherein the cover press part (30) further comprises a fixing table (32) and a torsion spring (33), the fixing table (32) is fixedly arranged on the platform part (10), the pressing block (31) is arranged on the fixing table (32) in an openable manner, the torsion spring (33) is arranged between a first end of the pressing block (31) and a first end of the fixing table (32), and a second end of the pressing block (31) extends out of a second end of the fixing table (32).

6. The cell testing and positioning device according to claim 5, wherein the cover press part (30) further comprises a locking structure (34), the locking structure (34) is arranged between the press block (31) and the fixed table (32), the locking structure (34) has a locking position and an unlocking position, when the locking structure (34) is in the locking position, a transverse axis of the press block (31) and a transverse axis of the fixed table (32) are arranged in parallel, and when the locking structure (34) is in the unlocking position, an included angle is formed between the transverse axis of the press block (31) and the transverse axis of the fixed table (32).

7. The battery cell testing and positioning device according to claim 6, wherein the locking structure (34) comprises a lock column (341) and a lock arm (342), a lock hook (3421) is arranged at the end part of the lock arm (342), the lock hook (3421) is in clamping fit with the lock column (341), a containing hole (311) is formed in the pressing block (31), and the lock column (341) is arranged in the containing hole (311).

8. The device according to claim 7, wherein the locking structure (34) further comprises a connection plate (343), the connection plate (343) and the locking arm (342) being connected and protruding from the stationary table (32), the connection plate (343) driving the locking arm (342) to swing to switch the locking structure (34) between the locked position and the unlocked position.

9. The device according to claim 1, further comprising an ejector structure (60), wherein the ejector structure (60) is disposed on an upper surface of the platform portion (10) and is spaced apart from the limiting portion (20) and the cover pressing portion (30), and the ejector structure (60) ejects the test connector.

10. The electrical core testing positioning device according to claim 9, wherein the ejector structure (60) comprises an ejector block (61) and an elastic member, the elastic member drives the ejector block (61) to be in abutting fit with the test connector, an inner concave angle is arranged on one side of the ejector block (61) facing the test connector, and a third guiding inclined plane is arranged between the upper surface of the ejector block (61) and the inner concave angle.