CN219065550U

CN219065550U - Battery capacity-dividing test fixture

Info

Publication number: CN219065550U
Application number: CN202223343499.5U
Authority: CN
Inventors: 陈昌
Original assignee: Cornex New Energy Co ltd
Current assignee: Cornex New Energy Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-23
Anticipated expiration: 2032-12-12

Abstract

The utility model relates to a battery capacity-dividing test fixture, wherein a vertical hole is formed in a vertical plate along the height direction of a battery, a supporting plate is vertically arranged in the vertical hole, and the battery is placed on the supporting plate and can slide up and down in the vertical hole along with the supporting plate so as to adapt to batteries with different sizes and heights; the sliding plate is provided with a transverse oblong hole along the connecting line direction of the positive and negative poles of the battery, and the probe assembly can slide in the transverse oblong hole so as to adapt to the difference of the distances between the positive and negative poles of the batteries with different sizes; therefore, the battery capacity-division testing clamp can be suitable for batteries with various sizes, and can solve the technical problem of poor battery compatibility during battery capacity-division testing.

Description

Battery capacity-dividing test fixture

Technical Field

The utility model relates to the technical field of power battery testing, in particular to a battery capacity-dividing testing clamp.

Background

The time it takes the battery to discharge is multiplied by the discharge current to be the battery capacity. After the lithium ion battery is produced in a production workshop, the battery capacity can be different, and only the tested battery capacity is larger than or equal to the designed capacity, the lithium ion battery is qualified, and the battery with the designed capacity is not counted as the qualified battery. Qualified batteries are screened out through battery capacity testing, and the process is called battery capacity-dividing testing. When the battery is divided into capacity, the data of each detection point is obtained through computer management, so that the data of the capacity, the internal resistance and the like of the battery are analyzed, and the quality grade of the battery is further determined.

The battery capacity-dividing test fixture is an important device for realizing battery capacity-dividing test. In the prior art, a battery capacity-dividing test fixture is fixed and is not adjustable, a battery is placed in a fixing groove consistent with the appearance of the battery, and a probe is pressed downwards from top to bottom and is subjected to capacity-dividing test after being fully contacted with a battery pole.

The battery capacity-dividing test fixture can only test batteries with certain external dimensions, and when batteries with other dimensions are replaced for capacity-dividing test, the fixing base and the probe mounting plate need to be replaced correspondingly, so that the compatibility is poor.

Disclosure of Invention

The utility model aims to provide a battery capacity-dividing test fixture which can be correspondingly adjusted according to the heights of different batteries and the distances between positive and negative poles so as to adapt to batteries with various sizes and solve the technical problem of poor battery compatibility in battery capacity-dividing test.

In order to achieve the above purpose, the utility model provides a battery capacity-dividing test fixture, which comprises a bottom plate, a vertical plate, a first sliding component, a second sliding component and a probe component;

the bottom plate is horizontally arranged, the vertical plate is vertically arranged at the upper end of the bottom plate, the upper end of the first sliding component is used for placing a battery, and the first sliding component is in sliding connection with the side face of the vertical plate along the height direction of the battery;

the second sliding component is arranged on the vertical plate, is positioned above the first sliding component and is close to or far from the first sliding component along the height direction of the battery; the second sliding component comprises a sliding plate, a transverse oblong hole is formed in the position, corresponding to the battery pole, of the sliding plate, the probe component is arranged in the transverse oblong hole, and the probe of the probe component is located above the battery pole.

Preferably, the first sliding component comprises a supporting plate and a transverse rib plate, the supporting plate is vertically connected with the vertical plate, and the transverse rib plate is arranged on one side, close to the bottom plate, of the supporting plate.

As a preferable scheme, a longitudinal long round hole is formed in the vertical plate along the height direction of the battery, and the transverse rib plate is arranged in the longitudinal long round hole.

As the preferred scheme, the second sliding component further comprises a guide structure and a clamping structure, one end of the guide structure is fixedly connected with the vertical plate, the other end of the guide structure is in sliding connection with the sliding plate, one end of the clamping structure is fixedly connected with the vertical plate, and the other end of the clamping structure is fixedly connected with the sliding plate.

Preferably, the guide structure comprises two fixing blocks and a guide pillar vertically arranged between the two fixing blocks, the two fixing blocks are arranged in parallel along the height direction of the vertical plate, and the sliding plate is slidably arranged on the guide pillar.

As a preferable scheme, the clamping structure comprises a fixing seat and an elbow clamp, wherein the fixing seat is arranged on the vertical plate, one end of the elbow clamp is arranged on the fixing seat, and the other end of the elbow clamp is connected with the sliding plate.

Preferably, the sliding device further comprises a longitudinal rib plate, wherein the longitudinal rib plate is arranged on one side far away from the second sliding component, and two ends of the longitudinal rib plate are respectively connected with the bottom plate and the vertical plate.

Preferably, the upper end of the vertical plate is provided with a wire passing hole, and the wire passing hole is positioned above the sliding plate.

The utility model has the beneficial effects that:

the vertical plate is provided with a longitudinal long round hole along the height direction of the battery, the supporting plate is vertically arranged in the longitudinal long round hole, and the battery is placed on the supporting plate and can slide up and down along with the supporting plate in the longitudinal long round hole so as to adapt to batteries with different sizes and heights; the sliding plate is provided with a transverse oblong hole along the connecting line direction of the positive and negative poles of the battery, and the probe assembly can slide in the transverse oblong hole so as to adapt to the difference of the distances between the positive and negative poles of the batteries with different sizes; therefore, the battery capacity-division testing clamp can be suitable for batteries with various sizes, and can solve the technical problem of poor battery compatibility during battery capacity-division testing.

The capacity-dividing test fixture has the advantages of simple structure, convenient operation and good reliability, and can also save battery model changing time and purchasing cost and improve test efficiency.

Drawings

Fig. 1 is a schematic perspective view of a battery capacity-division test fixture;

FIG. 2 is a schematic side view of a battery capacity-division test fixture;

reference numerals illustrate:

1 bottom plate, 2 risers, 4 first slip subassembly, 5 second slip subassembly, 6 probe subassembly, 7 vertical slotted hole, 8 wire holes, 9 battery, 11 vertical floor, 41 layer board, 42 horizontal floor, 51 slip board, 52 horizontal slotted hole, 53 guide structure, 54 clamping structure, 55 fixed block, 56 guide pillar, 57 fixing base, 58 elbow clamp.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 and 2, the present utility model relates to a battery capacity-division testing fixture, which is fixed in capacity-division testing equipment for testing, and comprises a bottom plate 1, a vertical plate 2, a first sliding component 4, a second sliding component 5 and a probe component 6.

The bottom plate 1 is horizontally arranged, four holes are designed on the bottom plate 1 and are consistent with the fixed thread hole sites of the capacity-dividing test equipment, and the capacity-dividing test clamp is fixed on the capacity-dividing test equipment through four bolts; the vertical plate 2 is vertically arranged at the upper end of the bottom plate 1 through bolts, the upper end of the first sliding component 4 is used for placing a battery, and the first sliding component 4 is in sliding connection with the side face of the vertical plate 2 along the height direction of the battery.

The first sliding component 4 comprises a supporting plate 41 and a transverse rib plate 42, wherein the supporting plate 41 is vertically connected with the vertical plate 2, and the transverse rib plate 42 is mounted on one side of the supporting plate 41 close to the bottom plate 1 through bolts. The side of the transverse rib plate 42, which is close to the vertical plate 2, is provided with a boss, two threaded holes are formed in the boss, and the supporting plate 41 passes through the longitudinal oblong hole 7 through the boss of the transverse rib plate 42 and is connected with the vertical plate 2 through bolts. The width of the boss is slightly smaller than that of the longitudinal oblong hole 7, so that the boss can slide up and down in the longitudinal oblong hole 7 smoothly.

The vertical plate 2 is provided with two longitudinal oblong holes 7 along the height direction of the battery, the two longitudinal oblong holes 7 are arranged along the length direction of the battery 9, the supporting plate 41 is vertically arranged in the longitudinal oblong holes 7 through the transverse rib plates 42, and the battery 9 is placed at the upper end of the supporting plate 41.

The second sliding component 5 is arranged on the vertical plate 2, is positioned above the supporting plate 41, and is close to or far from the first sliding component 4 along the height direction of the battery; the second sliding component 5 comprises a sliding plate 51, two transverse oblong holes 52 are formed in the position, corresponding to the battery pole, of the sliding plate 51, the two probe components 6 are arranged along the length direction of the battery 9, the two probe components 6 penetrate through the two transverse oblong holes 52 respectively and are fixed on the sliding plate 51 through bolts, and the probe of the probe component 6 is located above the battery pole. The probe assembly 6 is in the prior art, and the specific structure thereof will not be described again.

The battery capacity-division testing fixture further comprises a longitudinal rib plate 11, wherein the longitudinal rib plate 11 is arranged on one side, far away from the second sliding assembly 5, of the vertical plate 2, and two ends of the longitudinal rib plate 11 are respectively connected with the bottom plate 1 and the vertical plate 2.

The second sliding component 5 further comprises a guide structure 53 and a clamping structure 54, one end of the guide structure 53 is fixedly connected with the vertical plate 2, the other end of the guide structure 53 is in sliding connection with the sliding plate 51, one end of the clamping structure 54 is fixedly connected with the vertical plate 2, and the other end of the clamping structure 54 is fixedly connected with the sliding plate 51.

The guide structures 53 are two and symmetrically distributed on two sides of the sliding plate 51, the guide structures 53 comprise two fixing blocks 55 and guide posts 56 vertically arranged between the two fixing blocks 55, the two fixing blocks 55 are arranged in parallel along the height direction of the vertical plate 2, and the sliding plate 51 is slidably arranged on the guide posts 56. Linear bearings are respectively fixed on two sides of the sliding plate 51, and the guide post 56 penetrates through the linear bearings, so that the sliding plate 51 can slide up and down smoothly along the guide post 11.

The clamping structure 54 is arranged between the two guide structures 53, the clamping structure 54 comprises a fixed seat 57 and an elbow clamp 58, the fixed seat 57 is mounted on the vertical plate 2 through bolts, one end of the elbow clamp 58 is mounted on the fixed seat 57 through bolts, and the other end of the elbow clamp 58 is connected with the middle of the sliding plate 51 through bolts.

The upper end of the vertical plate 2 is provided with two wire through holes 8, the two wire through holes 8 are arranged along the length direction of the battery 9, and the two wire through holes 8 are positioned above the sliding plate 51. The wire through holes 8 facilitate the connection of the cables on the probe assembly 6 from the back of the vertical plate 2 to the testing equipment; the via holes 8 also serve as weight reduction.

Clamping and testing process:

placing the battery 9 on the supporting plate 41, and when the supporting plate 41 slides to a proper height along the longitudinal oblong holes 7 according to the height of the battery 9, locking the boss on the transverse rib plate 42 by using a bolt from the back of the vertical plate 2 through the longitudinal oblong holes 7; according to the distance between the positive pole and the negative pole of the battery 9, the positions of the two probe assemblies 6 are slid in the transverse oblong holes 52, so that the probes of the probe assemblies 6 are positioned right above the battery poles; the handle of the toggle clamp 58 is pressed downwards, the sliding plate 51 slides downwards along the guide post 56, so that the probe of the probe assembly 6 presses the battery pole, and the capacity-dividing test equipment is started for capacity-dividing test.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A battery capacity-dividing test fixture is characterized in that: comprises a bottom plate (1), a vertical plate (2), a first sliding component (4), a second sliding component (5) and a probe component (6);

the bottom plate (1) is horizontally arranged, the vertical plate (2) is vertically arranged at the upper end of the bottom plate (1), the upper end of the first sliding component (4) is used for placing a battery, and the first sliding component (4) is in sliding connection with the side surface of the vertical plate (2) along the height direction of the battery;

the second sliding component (5) is arranged on the vertical plate (2), is positioned above the first sliding component (4), and is close to or far from the first sliding component (4) along the height direction of the battery; the second sliding assembly (5) comprises a sliding plate (51), a transverse oblong hole (52) is formed in the position, corresponding to the battery pole, of the sliding plate (51), the probe assembly (6) is arranged in the transverse oblong hole (52), and a probe of the probe assembly (6) is located above the battery pole.

2. The battery capacity test fixture of claim 1, wherein: the first sliding assembly (4) comprises a supporting plate (41) and a transverse rib plate (42), wherein the supporting plate (41) is vertically connected with the vertical plate (2), and the transverse rib plate (42) is arranged on one side, close to the bottom plate (1), of the supporting plate (41).

3. The battery capacity test fixture of claim 2, wherein: a longitudinal oblong hole (7) is formed in the vertical plate (2) along the height direction of the battery, and the transverse rib plate (42) is arranged in the longitudinal oblong hole (7).

4. The battery capacity test fixture of claim 1, wherein: the second sliding assembly (5) further comprises a guide structure (53) and a clamping structure (54), one end of the guide structure (53) is fixedly connected with the vertical plate (2), the other end of the guide structure (53) is in sliding connection with the sliding plate (51), one end of the clamping structure (54) is fixedly connected with the vertical plate (2), and the other end of the clamping structure (54) is fixedly connected with the sliding plate (51).

5. The battery capacity test fixture of claim 4, wherein: the guide structure (53) comprises two fixed blocks (55) and a guide pillar (56) vertically arranged between the two fixed blocks (55), the two fixed blocks (55) are arranged in parallel along the height direction of the vertical plate (2), and the sliding plate (51) is slidably arranged on the guide pillar (56).

6. The battery capacity test fixture of claim 4, wherein: the clamping structure (54) comprises a fixed seat (57) and an elbow clamp (58), wherein the fixed seat (57) is arranged on the vertical plate (2), one end of the elbow clamp (58) is arranged on the fixed seat (57), and the other end of the elbow clamp (58) is connected with the sliding plate (51).

7. The battery capacity testing fixture of any one of claims 1 to 6, wherein: the sliding assembly further comprises a longitudinal rib plate (11), wherein the longitudinal rib plate (11) is arranged on one side far away from the second sliding assembly (5), and two ends of the longitudinal rib plate (11) are respectively connected with the bottom plate (1) and the vertical plate (2).

8. The battery capacity test fixture of claim 7, wherein: the upper end of the vertical plate (2) is provided with a wire passing hole (8), and the wire passing hole (8) is positioned above the sliding plate (51).