CN211826397U

CN211826397U - Detection apparatus for series lithium cell group

Info

Publication number: CN211826397U
Application number: CN202020095038.2U
Authority: CN
Inventors: 邱嘉龙
Original assignee: Zhejiang Dagong New Energy Co ltd
Current assignee: Zhejiang Dagong New Energy Co ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-30
Anticipated expiration: 2030-01-16

Abstract

The utility model relates to a lithium battery detection equipment technical field specifically discloses a detection device of series lithium cell group, including bottom plate and two threaded rods, the left and right sides at bottom plate top and the position department that is close to the back all along vertical direction fixedly connected with montant, two the position department fixedly connected with horizontal pole between the montant and near the top, the top of horizontal pole is along the horizontal through-going logical groove of having seted up, the surface of threaded rod and the bottom position department fixedly connected with first limiting plate near the horizontal pole, the surface of threaded rod and the position department swing joint that is close to the horizontal pole top have the second limiting plate; through the structural design of push pedal, connecting plate, a flexible section of thick bamboo and grip block, can effectually treat that to detect lithium cell group carries on spacingly, avoids appearing controlling the displacement, through the structural design of grip block and insulating rubber pad, can avoid the lithium cell group and the grip block between the static appears.

Description

Detection apparatus for series lithium cell group

Technical Field

The utility model relates to a lithium cell detection equipment technical field, concretely relates to detection device of series connection lithium cell group.

Background

The lithium cell group is at the testing process, need carry out test operation to the voltage internal resistance of lithium cell group, however, traditional lithium cell group check out test set is at the testing process, need utilize multiple small-size motor to remove the operation to lithium cell group or voltage measuring pin, the testing process is comparatively loaded down with trivial details, know, the voltage internal resistance to lithium cell group all detects in batches in the mill, will make like this in the internal resistance of battery testing process, the condition that leads to the detection efficiency of battery voltage internal resistance to be low appears because the testing process step is too much, be unfavorable for the high-efficient detection of lithium cell voltage internal resistance, consequently, it is necessary to design a detection device of lithium cell group, thereby solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a detection device of series connection lithium cell group possesses advantages such as detection efficiency height to the voltage internal resistance of lithium cell group, has solved the trouble problem of traditional detection device to the testing process of lithium cell group.

The utility model discloses a detection device of series lithium battery pack, which comprises a bottom plate and two threaded rods, the left and right sides of the top of the bottom plate and the position near the back are both fixedly connected with a vertical rod along the vertical direction, two positions between the vertical rods and near the top are fixedly connected with a horizontal rod, the top of the horizontal rod is horizontally penetrated and provided with a through groove, the outer surface of the threaded rod and the position near the bottom of the horizontal rod are fixedly connected with a first limiting plate, the outer surface of the threaded rod and the position near the top of the horizontal rod are movably connected with a second limiting plate, the outer surface of the threaded rod and the position near the top of the second limiting plate are in threaded connection with a threaded sleeve plate, the bottom of the threaded rod is fixedly connected with a test rod, the middle part of the top of the bottom plate is horizontally and longitudinally provided with a first chute, the position, the second spout has all transversely been seted up along the level in the left and right sides at the push pedal back, the equal fixedly connected with connecting plate in the left and right sides of push pedal, two a plurality of telescopic cylinder of the equal fixedly connected with of opposite face of connecting plate, it is a plurality of the equal fixedly connected with spring in inside of telescopic cylinder, the equal fixedly connected with grip block of one end of connecting plate is kept away from to the telescopic cylinder, the front integrated into one piece of grip block has the inside of slider and sliding connection and second spout.

The utility model discloses a detection apparatus of series lithium cell group, wherein the bottom fixedly connected with silica gel packing ring of second limiting plate, silica gel packing ring's bottom and the top of horizontal pole are closely laminated, and this structural design can make and be connected more fastening between second limiting plate and the horizontal pole, has avoided the threaded rod to appear removing the phenomenon of removal.

The utility model discloses a detection apparatus of series lithium cell group, wherein the surface of bottom plate and push pedal is the smooth surface, the push pedal is "L" shape structural design, and this structural design can make the push pedal carry out smooth slip at the top of bottom plate, has avoided the push pedal and has promoted the comparatively troublesome condition appearance of push pedal promotion between bottom plate that the friction is great.

The utility model discloses a detection apparatus of series connection lithium cell group, wherein the one end that the threaded rod was kept away from to the test bar is located the top position department of bottom plate, and this structural design can make the device wider to the detection range of lithium cell group, has avoided because the carrying on of lithium cell group structure is less and lead to the condition appearance that the test bar can't contact with the electrode tip.

The utility model discloses a detection apparatus of series connection lithium cell group, wherein the equal fixedly connected with insulating rubber pad of opposite face of two grip blocks, the shape size and the grip block looks adaptation of this insulating rubber pad, through insulating rubber pad's structural design, can avoid the phenomenon of lithium cell group static appearing when constantly changing the test to make lithium cell group voltage internal resistance detection value more accurate.

The utility model discloses a detection apparatus for series connection lithium cell group, wherein two threaded rods are located the inside in logical groove and about both ends respectively outstanding in the top and the bottom of horizontal pole, leave the clearance between threaded rod and the horizontal pole, this structural design can make threaded rod and test bar can control position control to make the device applicable effect in multiple lithium cell group.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model can effectively limit the lithium battery pack to be detected by the structural design of the push plate, the connecting plate, the telescopic cylinder and the clamping plate, avoid the left and right displacement, and through the structural design of the clamping plate and the insulating rubber pad, can avoid the static electricity between the lithium battery pack and the clamping plate, strengthen the voltage internal resistance detection precision of the lithium battery pack, and through the structural design of the push plate and the first chute, can effectively lead the operator to manually push the lithium battery pack, realize the detection process of the lithium battery pack, accelerate the detection efficiency, through these structural design and cooperation, effectual the device that makes has had the effect of detecting fast to lithium cell group, has avoided traditional check out test set to the low condition appearance of lithium cell group detection efficiency, has solved because traditional lithium cell group detection device is loaded down with trivial details and cause the problem low to lithium cell detection efficiency to battery testing process.

2. The utility model discloses, through the structural design of a flexible section of thick bamboo, spring, logical groove and threaded rod, can make the device can detect the lithium cell group of equidimension not, avoided by different with the lithium cell model and output port position appear changing and lead to the device inapplicable condition to the device's practicality has been increased.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the internal structure of the telescopic cylinder of the present invention;

fig. 4 is a back structural schematic view of the push plate of the present invention;

fig. 5 is a schematic view of the position relationship between the testing rod and the bottom plate of the present invention.

In the figure: 1. a base plate; 2. a vertical rod; 3. a cross bar; 4. a first limit plate; 5. a second limiting plate; 6. a silica gel gasket; 7. a threaded bushing plate; 8. a threaded rod; 9. pushing the plate; 10. a connecting plate; 11. a telescopic cylinder; 12. a spring; 13. a clamping plate; 14. a through groove; 15. a first chute; 16. a test rod; 17. a second runner.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, the detecting device for series lithium battery pack of the present invention comprises a bottom plate 1 and two threaded rods 8, wherein vertical rods 2 are fixedly connected to the left and right sides of the top of the bottom plate 1 and the positions near the back side along the vertical direction, a cross rod 3 is fixedly connected between the two vertical rods 2 and the position near the top, a through groove 14 is horizontally and transversely formed at the top of the cross rod 3, a first limiting plate 4 is fixedly connected to the outer surface of the threaded rod 8 and the position near the bottom of the cross rod 3, a second limiting plate 5 is movably connected to the outer surface of the threaded rod 8 and the position near the top of the cross rod 3, a threaded sleeve plate 7 is threadedly connected to the outer surface of the threaded rod 8 and the position near the top of the second limiting plate 5, a testing rod 16 is fixedly connected to the bottom of the threaded rod 8, a first, inside and being close to positive position department swing joint of first spout 15 have push pedal 9, second spout 17 has all transversely been seted up along the level in the left and right sides at the push pedal 9 back, the equal fixedly connected with connecting plate 10 in the left and right sides of push pedal 9, a plurality of telescopic tube 11 of the equal fixedly connected with of opposite face of two connecting plates 10, the equal fixedly connected with spring 12 in inside of a plurality of telescopic tube 11, telescopic tube 11 keeps away from the equal fixedly connected with grip block 13 of one end of connecting plate 10, grip block 13's front integrated into one piece has the inside of slider and sliding connection and second spout 17.

The bottom fixedly connected with silica gel packing ring 6 of second limiting plate 5, the bottom of silica gel packing ring 6 and the top of horizontal pole 3 closely laminate, and this structural design can be so that be connected between second limiting plate 5 and the horizontal pole 3 more fasten, has avoided threaded rod 8 to appear removing the phenomenon of removal.

The surface of bottom plate 1 and push pedal 9 is the smooth surface, and push pedal 9 is "L" shape structural design, and this structural design can make push pedal 9 carry out smooth slip at the top of bottom plate 1, has avoided rubbing great and lead to push pedal 9 to promote the comparatively trouble condition appearance between push pedal 9 and the bottom plate 1.

The one end that threaded rod 8 was kept away from to test bar 16 is located the top position department of bottom plate 1, and this structural design can make the device to the detection range of lithium cell group wider, has avoided leading to the condition appearance that test bar 16 can't contact with the electrode tip because the structure of carrying on of lithium cell group is less.

The equal fixedly connected with insulating rubber pad of opposite face of two grip blocks 13, the shape size and the grip block 13 looks adaptation of this insulating rubber pad, through insulating rubber pad's structural design, can avoid the phenomenon of lithium cell group static appearance when constantly changing the test to make the internal resistance of voltage detection value of lithium cell group more accurate.

Two threaded rods 8 are located the inside of logical groove 14 and upper and lower both ends are outstanding respectively in the top and the bottom of horizontal pole 3, leave the clearance between threaded rod 8 and the horizontal pole 3, and this structural design can make threaded rod 8 and test bar 16 can control the position control to make the device applicable in the effect of multiple lithium cell group.

When the utility model is used, a tester can open the two clamping plates 13 to both ends, the telescopic cylinder 11 is contracted, then the lithium battery pack to be tested is put between the two clamping plates 13, and the two electrode ends of the lithium battery pack face backwards, then the clamping plate 13 is loosened, the telescopic cylinder 11 rebounds, so that the clamping plate 13 clamps the lithium battery pack, then an operator pushes the push plate 9 backwards through the first sliding groove 15 until two electrode ends of the lithium battery pack are respectively contacted with the two testing rods 16 to realize the detection operation, the push plate 9 can be reset after the detection is finished, and then the lithium battery pack is taken down, when the types of the lithium battery packs to be detected are different, can upwards twist screw sleeve board 7 through threaded rod 8 and move for become the lax state between silica gel packing ring 6 and the horizontal pole 3, position control about going on threaded rod 8 afterwards, make test bar 16 with the electrode end looks adaptation of lithium cell group can.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a detection apparatus of series lithium cell group, includes bottom plate (1) and two threaded rod (8), its characterized in that: the left side and the right side of the top of the bottom plate (1) and the position close to the back are fixedly connected with vertical rods (2) along the vertical direction, a horizontal rod (3) is fixedly connected between the two vertical rods (2) and the position close to the top, a through groove (14) is formed in the top of the horizontal rod (3) in a horizontal and horizontal penetrating mode, a first limiting plate (4) is fixedly connected to the outer surface of the threaded rod (8) and the position close to the bottom of the horizontal rod (3), a second limiting plate (5) is movably connected to the outer surface of the threaded rod (8) and the position close to the top of the horizontal rod (3), a threaded sleeve plate (7) is in threaded connection with the outer surface of the threaded rod (8) and the position close to the top of the second limiting plate (5), a testing rod (16) is fixedly connected to the bottom of the threaded rod (8), and a first sliding groove, the inside of first spout (15) and be close to positive position department swing joint have push pedal (9), second spout (17) have all transversely been seted up along the level to the left and right sides at the push pedal (9) back, the equal fixedly connected with connecting plate (10) of the left and right sides of push pedal (9), two the equal fixedly connected with a plurality of telescopic cylinder (11) of opposite face of connecting plate (10), it is a plurality of the equal fixedly connected with spring (12) in inside of telescopic cylinder (11), the equal fixedly connected with grip block (13) of one end of connecting plate (10) are kept away from to telescopic cylinder (11), the positive integrated into one piece of grip block (13) has the inside of slider and sliding connection and second spout (17).

2. The device for detecting the series lithium battery pack according to claim 1, wherein: the bottom fixedly connected with silica gel packing ring (6) of second limiting plate (5), the bottom of silica gel packing ring (6) closely laminates with the top of horizontal pole (3).

3. The device for detecting the series lithium battery pack according to claim 1, wherein: the outer surfaces of the bottom plate (1) and the push plate (9) are smooth surfaces, and the push plate (9) is designed to be of an L-shaped structure.

4. The device for detecting the series lithium battery pack according to claim 1, wherein: one end of the testing rod (16) far away from the threaded rod (8) is positioned above the bottom plate (1).

5. The device for detecting the series lithium battery pack according to claim 1, wherein: the opposite surfaces of the two clamping plates (13) are fixedly connected with insulating rubber pads, and the shape and the size of the insulating rubber pads are matched with those of the clamping plates (13).

6. The device for detecting the series lithium battery pack according to claim 1, wherein: the two threaded rods (8) are positioned in the through groove (14), the upper ends and the lower ends of the two threaded rods respectively protrude out of the top and the bottom of the cross rod (3), and a gap is reserved between each threaded rod (8) and the corresponding cross rod (3).