CN217604862U

CN217604862U - Battery detection device

Info

Publication number: CN217604862U
Application number: CN202221321729.5U
Authority: CN
Inventors: 朱斌; 顾阳
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-10-18
Anticipated expiration: 2032-05-30

Abstract

The utility model relates to a battery detection device, which comprises a substrate, a length limiting baffle and a battery lug side stopping mechanism, wherein the length limiting baffle and the battery lug side stopping mechanism are arranged oppositely; battery utmost point ear side stop mechanism is in along the width direction's that corresponds to battery standard sample spare first direction sliding connection on the first side surface of base plate, limit for length baffle along the length direction's that corresponds to battery standard sample spare second direction sliding connection on the first side surface of base plate, limit for length baffle and battery utmost point ear side stop mechanism can follow the length direction's of second direction centre gripping battery standard sample spare both sides. The utility model discloses a battery detection device can be suitable for the detection of the length of the battery of different overall dimension, has improved the commonality of frock.

Description

Battery detection device

Technical Field

The utility model belongs to the technical field of the battery detects, a battery detection device is related to.

Background

In the prior art, the size detection of the battery generally has the following two modes:

(1) And (4) adopting a detection go-gauge. However, the size of the detection go gauge is fixed, and batteries with different specifications need to be matched with a special detection go gauge. When the types of the battery models are more, the types of the detection general gauges are increased synchronously, so that the tooling management is inconvenient and the universality is poor.

(2) Measuring tools such as calipers, rulers and the like are adopted. In this way, the length, the width, the center distance of the tab and the exposed size of the tab adhesive of the battery are manually measured by using measuring tools such as a caliper, a ruler and the like. However, this method requires manual operation of the caliper and the ruler, and is inefficient in detection, large in measurement error, and not conducive to batch detection of batteries.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the battery detection device is provided for the problems that the size of the existing detection universal gauge is fixed, batteries of different specifications need to be matched with a special detection universal gauge, and the universality is poor.

In order to solve the technical problem, on one hand, the utility model provides a battery detection device, which comprises a substrate, a length limiting baffle and a battery lug side stopping mechanism, wherein the length limiting baffle and the battery lug side stopping mechanism are arranged oppositely;

battery utmost point ear side stop mechanism is in along the width direction's that corresponds to battery standard sample spare first direction sliding connection on the first side surface of base plate, limit for length baffle along the length direction's that corresponds to battery standard sample spare second direction sliding connection on the first side surface of base plate, limit for length baffle and battery utmost point ear side stop mechanism can follow the length direction's of second direction centre gripping battery standard sample spare both sides.

Optionally, the battery detection device further comprises a first width limiting baffle and a second width limiting baffle, the first width limiting baffle and the second width limiting baffle are arranged oppositely, and a detection space for placing a battery standard sample piece is defined by the length limiting baffle, the first width limiting baffle, the second width limiting baffle and the battery tab side stopping mechanism;

first limit for width baffle and second limit for width baffle along the first direction sliding connection who corresponds to the width direction of battery standard appearance piece on the first side surface of base plate, the width direction's of second direction centre gripping battery standard appearance piece both sides can be followed to first limit for width baffle and second limit for width baffle.

Optionally, a first sliding groove extending in a first direction is formed in the substrate, a first through groove extending in the length direction of the first width limiting baffle is formed in the first width limiting baffle, and a second through groove extending in the length direction of the second width limiting baffle is formed in the second width limiting baffle;

the battery detection device further comprises a first bolt assembly and a second bolt assembly, wherein a bolt of the first bolt assembly penetrates through the first through groove and the first sliding groove, and a bolt of the second bolt assembly penetrates through the second through groove and the first sliding groove; when the nut of the first bolt assembly is unscrewed, the first width limiting baffle can slide along the first sliding groove, and when the nut of the second bolt assembly is unscrewed, the second width limiting baffle can slide along the first sliding groove; when the nut of the first bolt assembly is screwed down, the first width limiting baffle can be temporarily fixed on the substrate, and when the nut of the second bolt assembly is screwed down, the second width limiting baffle can be temporarily fixed on the substrate.

Optionally, two first sliding chutes are arranged, and the two first sliding chutes are spaced in parallel;

the first bolt assembly and the second bolt assembly are correspondingly provided with two bolts.

Optionally, a second sliding groove extending along a second direction is formed in the substrate, and a third through groove extending along the length direction of the length-limited baffle is formed in the length-limited baffle;

the battery detection device further comprises a third bolt assembly, and a bolt of the third bolt assembly penetrates through the third through groove and the second sliding groove; when the nut of the third bolt assembly is loosened, the length limiting baffle can slide along the second sliding groove, and when the nut of the third bolt assembly is tightened, the length limiting baffle can be temporarily fixed on the substrate.

Optionally, two second sliding chutes are arranged, and the two second sliding chutes are spaced in parallel;

the third bolt assemblies are correspondingly provided with two.

Optionally, the battery tab side stopping mechanism includes a first tab stopper, a second tab stopper, a third tab stopper and a fourth tab stopper, the first tab stopper, the second tab stopper, the third tab stopper and the fourth tab stopper are sequentially arranged along a first direction, the first tab stopper and the second tab stopper are used for clamping a first tab of a battery standard sample piece, the third tab stopper and the fourth tab stopper are used for clamping a second tab of the battery standard sample piece, one of the first tab and the second tab is an anode tab, and the other is a cathode tab;

first utmost point ear dog towards a side end face of limit length baffle with the second utmost point ear dog towards a side end face of limit length baffle is used for supporting one side of the extraction electrode of the length direction of the body part of battery standard sample spare, the third utmost point ear dog towards a side end face of limit length baffle with the fourth utmost point ear dog towards a side end face of limit length baffle is used for supporting one side of the extraction electrode of the length direction of the body part of battery standard sample spare.

Optionally, a third sliding groove extending in the first direction is formed in the substrate, a first through hole is formed in the first tab stopper, a second through hole is formed in the second tab stopper, a third through hole is formed in the third tab stopper, and a fourth through hole is formed in the fourth tab stopper;

the battery detection device further comprises a fourth bolt assembly, a fifth bolt assembly, a sixth bolt assembly and a seventh bolt assembly, wherein a bolt of the fourth bolt assembly penetrates through the first through hole and the third sliding groove, a bolt of the fifth bolt assembly penetrates through the second through hole and the third sliding groove, a bolt of the sixth bolt assembly penetrates through the third through hole and the third sliding groove, and a bolt of the seventh bolt assembly penetrates through the fourth through hole and the third sliding groove;

when the nut of the fourth bolt assembly is unscrewed, the first lug stop block can slide along the third sliding groove, when the nut of the fifth bolt assembly is unscrewed, the second lug stop block can slide along the third sliding groove, when the nut of the sixth bolt assembly is unscrewed, the third lug stop block can slide along the third sliding groove, and when the nut of the seventh bolt assembly is unscrewed, the fourth lug stop block can slide along the third sliding groove; when the nut of the fourth bolt assembly is screwed, the first lug stop block can be temporarily fixed on the substrate, when the nut of the fifth bolt assembly is screwed, the second lug stop block can be temporarily fixed on the substrate, when the nut of the sixth bolt assembly is screwed, the third lug stop block can be temporarily fixed on the substrate, and when the nut of the seventh bolt assembly is screwed, the fourth lug stop block can be temporarily fixed on the substrate.

Optionally, a first right-angle notch is formed in one corner of the first tab stopper, which is close to the second tab stopper, a second right-angle notch is formed in one corner of the second tab stopper, which is close to the first tab stopper, a surface of the first right-angle notch, which is parallel to the second direction, and a surface of the second right-angle notch, which is parallel to the second direction, are used for clamping two sides of a tab glue of a first tab of a battery standard sample piece in the width direction, and a surface of the first right-angle notch, which is parallel to the first direction, and a surface of the second right-angle notch, which is parallel to the first direction, are used for abutting against the outer side of the tab glue of the first tab of the battery standard sample piece in the length direction;

a third right-angle notch is formed in one corner, close to the fourth lug stop, of the third lug stop, a fourth right-angle notch is formed in one corner, close to the third lug stop, of the fourth lug stop, the surface, parallel to the second direction, of the third right-angle notch and the surface, parallel to the second direction, of the fourth right-angle notch are used for clamping two sides, in the width direction, of lug glue of a second lug of the battery standard sample piece, and the surface, parallel to the first direction, of the third right-angle notch and the surface, parallel to the first direction, of the fourth right-angle notch are used for abutting against the outer side, in the length direction, of the lug glue of the second lug of the battery standard sample piece;

the surface of the first lug stop block facing the second lug stop block is positioned on the part of the first right-angle notch, which deviates from the length limiting baffle, to form a first clamping surface, the surface of the second lug stop block facing the first lug stop block is positioned on the part of the second right-angle notch, which deviates from the length limiting baffle, to form a second clamping surface, and the first clamping surface and the second clamping surface are used for clamping two sides of the first lug of the battery standard sample piece in the width direction; the third lug dog face to the surface of fourth lug dog is located deviating from of third right angle breach the part of limit for length baffle forms the third clamping face, the fourth lug dog face to the surface of third lug dog is located deviating from of fourth right angle breach the part of limit for length baffle forms the fourth clamping face, third clamping face and fourth clamping face are used for the width direction's of the second utmost point ear of centre gripping battery standard sample spare both sides.

Optionally, the battery detection apparatus further includes a support seat disposed on the second side surface of the substrate, and the first side surface and the second side surface of the substrate are located on two sides of the substrate in the thickness direction.

The utility model discloses battery testing device places battery standard sample piece between limit for length baffle and battery tab side backstop mechanism during the use, slides limit for length baffle and makes its and the length direction's of the body part of battery standard sample piece first side border butt, slides battery tab side backstop mechanism and makes its and the length direction's of the body part of battery standard sample piece second side border butt. And then, locking the length limiting baffle and the battery lug side stop mechanism on the substrate, removing the battery standard sample piece, and detecting by using the battery to be detected. The battery which can be normally placed in the detection space indicates whether the length of the battery is qualified or not. The utility model discloses a battery detection device, corresponding to the detection of the length of the battery of different overall dimension (different specifications), as long as adjust limit for length baffle, battery tab side backstop mechanism on the base plate can, improved the commonality of frock, the frock management of being convenient for to detection cost has been reduced. In addition, for detection tools such as slide caliper rule, ruler, detection efficiency promotes by a wide margin, and measuring error is less, is convenient for the batch detection of battery.

Drawings

Fig. 1 is a perspective view of a battery detection device according to a first embodiment of the present invention;

fig. 2 is an exploded view of a battery testing device according to a first embodiment of the present invention;

fig. 3 is a bottom view of the battery detection device according to the first embodiment of the present invention;

fig. 4 is a side view of a battery testing apparatus according to a first embodiment of the present invention.

The reference numerals in the specification are as follows:

1. a substrate; 11. a first chute; 12. a second chute; 13. a third chute; 2. a length-limiting baffle; 21. a third through groove; 3. a first width limiting baffle; 31. a first through groove; 4. a second width limiting baffle; 41. a second through groove; 5. a battery pole lug side stop mechanism; 51. a first tab stop; 511. a first right angle notch; 512. an end face; 513. a first clamping surface; 52. a second tab stop; 521. a second right angle notch; 522. an end face; 523. a second clamping surface; 53. a third tab stop; 531. a third right angle notch; 532. an end face; 533. a third clamping surface; 54. a fourth lug stop; 541. a fourth right angle notch; 542. an end face; 543. a fourth clamping surface; 6. detecting a space; 7. supporting legs;

s1, a first bolt assembly; s2, a second bolt assembly; s3, a third bolt assembly; s4, a third bolt assembly; s5, a third bolt assembly; s6, a sixth bolt assembly; s7, a seventh bolt assembly.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The embodiment of the utility model provides a battery detection device, including base plate 1, limit for length baffle 2 and battery utmost point ear side stop mechanism 5, battery utmost point ear side stop mechanism 5 is in along the width direction's that corresponds to battery standard appearance piece first direction sliding connection be in the first side of base plate 1 is on the surface, limit for length baffle 2 along the length direction's that corresponds to battery standard appearance piece second direction sliding connection be in the first side of base plate 1 is on the surface, limit for length baffle 2 and battery utmost point ear side stop mechanism 5 can follow the length direction's of the body part of second direction centre gripping battery standard appearance piece both sides. Here, the body part of the battery standard sample is a part of the battery standard sample from which the tab and tab paste are removed. Similarly, hereinafter, the body portion of the battery refers to the portion of the battery from which the tab and tab glue are removed.

In an embodiment, the battery detection device further includes a first width limiting baffle 3 and a second width limiting baffle 4, the first width limiting baffle 3 and the second width limiting baffle 4 are disposed oppositely, and a detection space for placing the battery standard sample is defined between the length limiting baffle 2, the first width limiting baffle 3, the second width limiting baffle 4 and the battery ear-side stopping mechanism 5. First limit for width baffle 3 and second limit for width baffle 4 along the first direction sliding connection who corresponds to the width direction of battery standard appearance piece on the first side surface of base plate 1, first limit for width baffle 3 and second limit for width baffle 4 can follow the both sides of the width direction of first direction centre gripping battery standard appearance piece.

The first direction and the second direction are two perpendicular directions on the first side surface of the substrate 1, see the coordinate system in fig. 1, where X is the first direction and Y is the second direction.

In an embodiment, referring to fig. 1 and 2, a first sliding groove 11 extending along a first direction is disposed on the substrate 1, the first width limiting baffle 3 is provided with a first through groove 31 extending along a length direction thereof, and the second width limiting baffle 4 is provided with a second through groove 41 extending along a length direction thereof. The battery detection device further comprises a first bolt component S1 and a second bolt component S2, a bolt of the first bolt component S1 penetrates through the first through groove 31 and the first sliding groove 11, and a bolt of the second bolt component S2 penetrates through the second through groove 41 and the first sliding groove 11; when the nut of the first bolt assembly S1 is loosened, the first width limiting baffle 3 can slide along the first sliding groove 11, and when the nut of the second bolt assembly S2 is loosened, the second width limiting baffle 4 can slide along the first sliding groove 11; when the nuts of the first bolt assemblies S1 are tightened (the nuts of the first bolt assemblies S1 are pressed against the second side surface of the substrate 1), the first width limiting baffle 3 can be temporarily fixed on the substrate 1, and when the nuts of the second bolt assemblies S2 are tightened (the nuts of the second bolt assemblies S2 are pressed against the second side surface of the substrate 1), the second width limiting baffle 4 can be temporarily fixed on the substrate 1.

Preferably, two first sliding chutes 11 are provided, and the two first sliding chutes 11 are spaced in parallel; the first bolt assembly S1 and the second bolt assembly S2 are correspondingly provided with two. Two first spout 11 can guarantee first limit for width baffle 3, second limit for width baffle 4's moving direction is along first direction all the time, avoids first limit for width baffle 3, second limit for width baffle 4 to take place to deflect around single bolt.

Of course, in other embodiments, a single first sliding groove 11 may also be used, in which case, the portions of the first bolt assembly S1 and the second bolt assembly S2 located in the first sliding groove 11 are set to be square, the square portions and the inner wall of the first sliding groove 11 limit each other, and the first width limiting baffle 3 and the second width limiting baffle 4 may also be prevented from deflecting around the single bolt.

In an embodiment, a second sliding groove 12 extending along a second direction is provided on the substrate 1, and a third through groove 21 extending along a length direction of the length-limited baffle 2 is provided on the length-limited baffle 2; the battery detection device further comprises a third bolt assembly S3, and a bolt of the third bolt assembly S3 penetrates through the third through groove 21 and the second sliding groove 12; when the nut of the third bolt assembly S3 is loosened, the length-limiting baffle 2 can slide along the second sliding groove 12, and when the nut of the third bolt assembly S3 is tightened (the nut of the third bolt assembly S3 is pressed against the second side surface of the substrate 1), the length-limiting baffle 2 can be temporarily fixed on the substrate 1.

Preferably, two second sliding chutes 12 are provided, and the two second sliding chutes 12 are spaced in parallel; the number of the third bolt assemblies S3 is two correspondingly. The two second sliding grooves 12 can ensure that the moving direction of the length-limiting baffle 2 is always along the second direction, so that the length-limiting baffle 2 is prevented from deflecting around a single bolt.

Of course, in other embodiments, a single second sliding groove 12 may also be used, and in this case, the portion of the third bolt assembly S3 located in the second sliding groove 12 is configured to be square, and the square portion and the inner wall of the second sliding groove 12 limit each other, and also can prevent the length-limiting baffle 2 from deflecting around the single bolt.

In an embodiment, referring to fig. 1 and 2, the battery tab-side stopping mechanism 5 includes a first tab stopper 51, a second tab stopper 52, a third tab stopper 53 and a fourth tab stopper 54, the first tab stopper 51, the second tab stopper 52, the third tab stopper 53 and the fourth tab stopper 54 are sequentially arranged along a first direction, the first tab stopper 51 and the second tab stopper 52 are used for clamping a first tab of the battery standard sample, the third tab stopper 53 and the fourth tab stopper 54 are used for clamping a second tab of the battery standard sample, one of the first tab and the second tab is a positive tab, and the other is a negative tab. First utmost point ear dog 51 towards a side end 512 of limit length baffle 2 with second utmost point ear dog 52 towards a side end 522 of limit length baffle 2 is used for supporting one side of the leading-out electrode of the length direction of the body part of battery standard sample spare, third utmost point ear dog 53 towards a side end 532 of limit length baffle 2 with fourth utmost point ear dog 54 towards a side of a side end of limit length baffle 2 is used for supporting one side of the leading-out electrode of the length direction of the body part of battery standard sample spare. Therefore, the length limiting baffle 2 and the battery lug side stopping mechanism 5 can clamp two sides of the body part of the battery standard sample piece (or the battery to be tested) in the length direction along the second direction, and whether the length of the body part of the battery is qualified or not can be detected.

A third sliding groove 13 extending along a first direction is formed in the substrate 1, a first through hole is formed in the first tab stopper 51, a second through hole is formed in the second tab stopper 52, a third through hole is formed in the third tab stopper 53, and a fourth through hole is formed in the fourth tab stopper 54; the battery detection device further comprises a fourth bolt component S4, a fifth bolt component S5, a sixth bolt component S6 and a seventh bolt component S7, wherein a bolt of the fourth bolt component S4 penetrates through the first through hole and the third sliding groove 13, a bolt of the fifth bolt component S5 penetrates through the second through hole and the third sliding groove 13, a bolt of the sixth bolt component S6 penetrates through the third through hole and the third sliding groove 13, and a bolt of the seventh bolt component S7 penetrates through the fourth through hole and the third sliding groove 13; when the nut of the fourth bolt assembly S4 is loosened, the first tab stopper 51 can slide along the third slide groove 13, when the nut of the fifth bolt assembly S5 is loosened, the second tab stopper 52 can slide along the third slide groove 13, when the nut of the sixth bolt assembly S6 is loosened, the third tab stopper 53 can slide along the third slide groove 13, and when the nut of the seventh bolt assembly S7 is loosened, the fourth tab stopper 54 can slide along the third slide groove 13; when the nut of the fourth bolt assembly S4 is tightened, the first tab stopper 51 may be temporarily fixed to the substrate 1, when the nut of the fifth bolt assembly S5 is tightened, the second tab stopper 52 may be temporarily fixed to the substrate 1, when the nut of the sixth bolt assembly S6 is tightened, the third tab stopper 53 may be temporarily fixed to the substrate 1, and when the nut of the seventh bolt assembly S7 is tightened, the fourth tab stopper 54 may be temporarily fixed to the substrate 1.

In one embodiment, referring to fig. 1, a first right-angle notch 511 is disposed at a corner of the first tab stopper 51 close to the second tab stopper 52, a second right-angle notch 521 is disposed at a corner of the second tab stopper 52 close to the first tab stopper 51, a surface 5111 of the first right-angle notch 511 parallel to the second direction and a surface 5211 of the second right-angle notch 521 parallel to the second direction are used for clamping two sides of a tab adhesive of a first tab of a battery standard sample, and a surface 5112 of the first right-angle notch 511 parallel to the first direction and a surface 5212 of the second right-angle notch 521 parallel to the first direction are used for abutting against the outer side of the tab adhesive of the first tab of the battery standard sample in the length direction. Therefore, whether the exposed size (the length and the width of the exposed part) of the first tab glue is qualified or not can be detected.

Third pole ear dog 53 be close to be provided with third right angle breach 531 on a corner of fourth pole ear dog 54, being close to of fourth pole ear dog 54 be provided with fourth right angle breach 541 on a corner of third pole ear dog 53, the surface 5311 that is on a parallel with the second direction of third right angle breach 531 with the surface 5411 that is on a parallel with the second direction of fourth right angle breach 541 is used for the width direction both sides of the utmost point ear glue of the second utmost point ear of centre gripping battery standard sample piece, the surface 5312 that is on a parallel with the first direction of third right angle breach 531 with the surface 5412 that is on a parallel with the first direction of fourth right angle breach 541 is used for supporting the length direction's of the utmost point ear glue of the second utmost point ear of battery standard sample piece the outside. Therefore, whether the exposed size (length and width of the exposed part) of the second lug glue is qualified or not can be detected. Simultaneously, whether the center distance between the first pole lug and the second pole lug is qualified can also be detected.

A portion of the surface of the first tab stopper 51 facing the second tab stopper 52, which is located at the first right-angle notch 511 and is away from the length-limiting baffle 2, is formed as a first clamping surface 513, a portion of the surface of the second tab stopper 52 facing the first tab stopper 51, which is located at the second right-angle notch 521 and is away from the length-limiting baffle 2, is formed as a second clamping surface 523, and the first clamping surface 513 and the second clamping surface 523 are used for clamping two sides of the first tab of the battery standard sample in the width direction; the portion of the third tab stopper 53 facing the fourth tab stopper 51, which is located at the third right-angle notch 531 and deviates from the length-limiting baffle 2, is formed as a third clamping surface 533, the portion of the fourth tab stopper 54 facing the third tab stopper 53, which is located at the fourth right-angle notch 541 and deviates from the length-limiting baffle 2, is formed as a fourth clamping surface 543, and the third clamping surface 533 and the fourth clamping surface 543 are used for clamping two sides of the second tab of the battery standard sample in the width direction. Thus, whether the widths of the first lug and the second lug are qualified or not can be detected respectively.

In an embodiment, referring to fig. 3 and 4, the battery detection apparatus further includes a support seat disposed on the second side surface of the substrate 1, and the first side surface and the second side surface of the substrate 1 are located on two sides of the substrate 1 in the thickness direction. Preferably, the supporting seat includes four supporting legs 7, the substrate 1 is square, one supporting leg 7 is arranged at each corner of the substrate 1, and the height of each supporting leg 7 is adjustable. The levelness and height of the substrate 1 can be adjusted by the supporting legs 7 with adjustable height.

The height of the supporting foot 7 is adjustable, for example, it can be a multi-stage telescopic tube, a hydraulic cylinder, a pneumatic cylinder, etc.

The base plate 1, the length limiting baffle 2, the first width limiting baffle 3, the second width limiting baffle 4 and the battery lug side stop mechanism 5 can adopt plastic parts or bakelite plates and other insulating objects, and are convenient to process and manufacture in batches.

In the battery testing device of the embodiment of the utility model, when in use, the battery standard sample piece is placed in the testing space 6 formed by enclosing the length limiting baffle 2, the first width limiting baffle 3, the second width limiting baffle 4 and the battery ear side stopping mechanism 5, the first width limiting baffle 3 is slid to be abutted against the first side edge of the battery standard sample piece in the width direction, the second width limiting baffle 4 is slid to be abutted against the second side edge of the battery standard sample piece in the width direction, the length limiting baffle 1 is slid to be abutted against the first side edge of the battery standard sample piece in the length direction, the first ear stopper 51, the second ear stopper 52, the third ear stopper 53 and the fourth ear stopper 54 are slid, the length-limiting baffle 1 is pushed to move towards the battery tab side stop mechanism 5, so that the second side edge of the body part of the battery standard sample piece in the length direction abuts against the end surface 512 of the first tab stop block 51, the end surface 522 of the second tab stop block 52, the end surface 532 of the third tab stop block 53 and the end surface 542 of the fourth tab stop block 54, and so that the two sides of the first tab of the battery standard sample piece in the width direction are clamped by the first clamping surface 513 of the first tab stop block 51 and the second clamping surface 523 of the second tab stop block 52, and the two sides of the second tab of the battery standard sample piece in the width direction are clamped by the third clamping surface 533 of the third tab stop block 53 and the fourth clamping surface 543 of the fourth tab stop block 54. The detection space 6 thus obtained is a reference detection space. And then, locking the length limiting baffle 2, the first width limiting baffle 3, the second width limiting baffle 4 and the four tab stoppers on the substrate 1, removing the battery standard sample piece, and detecting by using a battery to be detected. The product that can be normally placed in the detection space 6 is a qualified product, otherwise, the product is a defective product.

The utility model discloses a battery detection device, corresponding to the battery of different overall dimension (different specifications), as long as adjust limit for length baffle 2, first limit for width baffle 3, second limit for width baffle 4 and four utmost point ear dogs position on base plate 1 can, improved the commonality of frock, the frock management of being convenient for to the detection cost has been reduced. In addition, for detection tools such as slide caliper rule, ruler, detection efficiency promotes by a wide margin, and measuring error is less, is convenient for the batch detection of battery.

In addition, in other embodiments, the first width limiting baffle, the second width limiting baffle, and structures associated with the first width limiting baffle and the second width limiting baffle may also be eliminated. At this time, whether the width of the battery is acceptable or not may be determined by other means, such as a caliper. Alternatively, a cell-wide dead line is provided on the substrate.

In addition, in other embodiments, the first width limiting baffle and the second width limiting baffle can also be non-sliding.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A battery detection device is characterized by comprising a substrate, a length-limiting baffle and a battery lug side stopping mechanism, wherein the length-limiting baffle and the battery lug side stopping mechanism are arranged oppositely;

2. The battery detection device according to claim 1, further comprising a first width limiting baffle and a second width limiting baffle, wherein the first width limiting baffle and the second width limiting baffle are arranged oppositely, and a detection space for placing a battery standard sample piece is formed by enclosing the length limiting baffle, the first width limiting baffle, the second width limiting baffle and the battery tab side stopping mechanism;

first limit for width baffle and second limit for width baffle along the first direction sliding connection who corresponds to the width direction of battery standard appearance piece on the first side surface of base plate, the width direction's of first direction centre gripping battery standard appearance piece both sides can be followed to first limit for width baffle and second limit for width baffle.

3. The battery detection device according to claim 2, wherein the substrate is provided with a first sliding groove extending along a first direction, the first width limiting baffle is provided with a first through groove extending along a length direction of the first width limiting baffle, and the second width limiting baffle is provided with a second through groove extending along a length direction of the second width limiting baffle;

4. The battery detection device according to claim 3, wherein the first slide groove is provided in two, and the two first slide grooves are spaced in parallel;

5. The battery detection device according to claim 1, wherein a second sliding groove extending along a second direction is formed in the substrate, and a third through groove extending along a length direction of the length-limiting baffle is formed in the length-limiting baffle;

6. The battery detection device according to claim 5, wherein the second sliding grooves are provided in two, and the two second sliding grooves are spaced in parallel;

the number of the third bolt assemblies is correspondingly two.

7. The battery detection device according to claim 1, wherein the battery tab side stopping mechanism comprises a first tab stopper, a second tab stopper, a third tab stopper and a fourth tab stopper, the first tab stopper, the second tab stopper, the third tab stopper and the fourth tab stopper are sequentially arranged along a first direction, the first tab stopper and the second tab stopper are used for clamping a first tab of a battery standard sample, the third tab stopper and the fourth tab stopper are used for clamping a second tab of the battery standard sample, one of the first tab and the second tab is a positive tab, and the other is a negative tab;

first utmost point ear dog towards a side end face of limit length baffle with the second utmost point ear dog towards a side end face of limit length baffle is used for supporting one side of the leading-out electrode of the length direction of the body part of battery standard appearance piece, the third utmost point ear dog towards a side end face of limit length baffle with the fourth utmost point ear dog towards a side end face of limit length baffle is used for supporting one side of the leading-out electrode of the length direction of the body part of battery standard appearance piece.

8. The battery testing device according to claim 7, wherein a third sliding groove extending along the first direction is disposed on the substrate, a first through hole is disposed on the first tab stopper, a second through hole is disposed on the second tab stopper, a third through hole is disposed on the third tab stopper, and a fourth through hole is disposed on the fourth tab stopper;

when the nut of the fourth bolt assembly is unscrewed, the first tab stop block can slide along the third sliding groove, when the nut of the fifth bolt assembly is unscrewed, the second tab stop block can slide along the third sliding groove, when the nut of the sixth bolt assembly is unscrewed, the third tab stop block can slide along the third sliding groove, and when the nut of the seventh bolt assembly is unscrewed, the fourth tab stop block can slide along the third sliding groove; when the nut of the fourth bolt assembly is screwed up, the first lug stop block can be temporarily fixed on the substrate, when the nut of the fifth bolt assembly is screwed up, the second lug stop block can be temporarily fixed on the substrate, when the nut of the sixth bolt assembly is screwed up, the third lug stop block can be temporarily fixed on the substrate, and when the nut of the seventh bolt assembly is screwed up, the fourth lug stop block can be temporarily fixed on the substrate.

9. The battery testing device according to claim 7, wherein a first right-angle notch is formed in a corner of the first tab stopper close to the second tab stopper, a second right-angle notch is formed in a corner of the second tab stopper close to the first tab stopper, a surface of the first right-angle notch parallel to the second direction and a surface of the second right-angle notch parallel to the second direction are used for clamping two sides of a tab adhesive of a first tab of a battery standard sample piece in the width direction, and a surface of the first right-angle notch parallel to the first direction and a surface of the second right-angle notch parallel to the first direction are used for abutting against the outer side of the tab adhesive of the first tab of the battery standard sample piece in the length direction;

a third right-angle notch is formed in one corner, close to the fourth lug stopper, of the third lug stopper, a fourth right-angle notch is formed in one corner, close to the third lug stopper, of the fourth lug stopper, the surface, parallel to the second direction, of the third right-angle notch and the surface, parallel to the second direction, of the fourth right-angle notch are used for clamping two sides, in the width direction, of lug glue of a second lug of the battery standard sample piece, and the surface, parallel to the first direction, of the third right-angle notch and the surface, parallel to the first direction, of the fourth right-angle notch are used for abutting against the outer side, in the length direction, of the lug glue of the second lug of the battery standard sample piece;

the surface of the first lug stop block facing the second lug stop block is positioned on the part, deviating from the length limiting baffle, of the first right-angle notch to form a first clamping surface, the surface of the second lug stop block facing the first lug stop block is positioned on the part, deviating from the length limiting baffle, of the second right-angle notch to form a second clamping surface, and the first clamping surface and the second clamping surface are used for clamping two sides of the first lug of the battery standard sample piece in the width direction; the third lug dog face to the surface of fourth lug dog is located deviating from of third right angle breach the part of limit for length baffle forms the third clamping face, the fourth lug dog face to the surface of third lug dog is located deviating from of fourth right angle breach the part of limit for length baffle forms the fourth clamping face, third clamping face and fourth clamping face are used for the width direction's of the second utmost point ear of centre gripping battery standard sample spare both sides.

10. The battery test device of claim 1, further comprising a support base disposed on the second side surface of the substrate, wherein the first side surface and the second side surface of the substrate are located on both sides of the thickness direction of the substrate.