CN220509000U

CN220509000U - Lithium battery pack test bin

Info

Publication number: CN220509000U
Application number: CN202322354466.9U
Authority: CN
Inventors: 刘思超; 林剑国; 吴丹丹; 李甜甜
Original assignee: Shenzhen Maiwei Technology Co ltd
Current assignee: Shenzhen Maiwei Technology Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-02-20
Anticipated expiration: 2033-08-30

Abstract

The utility model relates to the technical field of lithium battery pack testing, in particular to a lithium battery pack testing bin which comprises a testing cabinet, wherein battery internal resistance testers are arranged in the testing cabinet, battery testing bins are arranged on the surfaces of the testing cabinet, bin doors are rotatably connected to the surfaces of the testing cabinet, the bin doors are positioned on the outer sides of the battery testing bins, labor-saving clamping mechanisms are arranged in the battery testing bins and consist of labor-saving clamping components and locking bolts, testing mechanisms are arranged in the battery testing bins and consist of testing components, connecting wires and copper conductive columns, and replacement mechanisms are arranged on one sides of the battery internal resistance testers and consist of placing grooves and fixing components. The utility model saves labor, reduces labor intensity of workers when the test bin clamps the lithium battery pack, improves working efficiency of the test bin when the test bin is used, and improves flexibility of the test bin when the test bin is used.

Description

Lithium battery pack test bin

Technical Field

The utility model relates to the technical field of lithium battery pack testing, in particular to a lithium battery pack testing bin.

Background

Lithium batteries are used more and more frequently in daily life, and in general, when the lithium batteries are shipped, some tests are required to be performed to determine whether the performances of the lithium batteries are qualified, wherein the tests comprise performance tests such as voltage internal resistance tests, capacity tests, overcharging, overdischarging and test bin path tests.

When the lithium battery pack is tested, the lithium battery pack is required to be clamped and fixed through the clamping plates, and the clamping mode is to sequentially fix the two sides of the lithium battery pack through each clamping plate, so that the labor is wasted, and the labor intensity of workers is high when the lithium battery pack is fixed through the testing bin; the lithium battery pack is electrically connected with the lithium battery pack through the electric chuck in the test, and then the next group is tested after the test is completed and the next group is required to be disassembled, so that the working efficiency of the test bin in use is reduced; when the test bin is used, only one battery tester can be used for testing the battery, and the tester is not easy to replace, so that the flexibility of the test bin during use is easily affected.

Disclosure of Invention

The utility model aims to provide a lithium battery pack testing bin, which aims to solve the problems of high labor intensity, low working efficiency and low flexibility of workers when the testing bin is put forward to be used in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lithium battery group test storehouse, includes the test cabinet, the inside of test cabinet all is provided with battery internal resistance tester, battery test storehouse has all been seted up on the surface of test cabinet, the surface rotation of test cabinet is connected with the bin gate, the bin gate is located the outside of battery test storehouse, the inside of battery test storehouse is provided with laborsaving clamping mechanism, laborsaving clamping mechanism comprises laborsaving clamping part and locking bolt, the inside of battery test storehouse all is provided with testing mechanism, testing mechanism comprises test component, connecting wire and copper conductive column, one side of battery internal resistance tester is provided with the change mechanism, the change mechanism comprises standing groove and fixed subassembly.

Preferably, a labor-saving clamping part is arranged in the battery test bin and is locked through a locking bolt.

Preferably, the inside of laborsaving clamping part is provided with splint, spout, first screw rod, second screw rod and accepts the cavity, the spout has all been seted up to the both sides of battery test storehouse bottom, the inside of spout all is provided with splint, splint and spout sliding fit each other, the cavity has all been seted up to the inside of test cabinet, it is linked together with the spout to accept the cavity.

Preferably, the surface of the test cabinet is rotationally connected with a second screw rod, one end of the second screw rod extends to the inside of the accommodating cavity and is fixedly provided with a first screw rod, one end of the first screw rod is rotationally connected with the inner wall of the accommodating cavity, the first screw rod and the second screw rod are composed of a positive screw rod and a negative screw rod which are mutually fixed, and the positive screw rod and the negative screw rod on the surfaces of the first screw rod and the second screw rod are respectively in threaded fit with the clamping plate.

Preferably, four groups of copper conductive posts are arranged in the battery test bin, a connecting wire is arranged at one end of each copper conductive post, the connecting wire is electrically connected with the bin gate, and a test member is arranged on the surface of the connecting wire.

Preferably, the inside of test member is including stretching spring, fastening double-screw bolt, guide bar and clamp plate, the inside of battery test storehouse is all fixed with the guide bar, the top position department cover of guide bar is equipped with stretching spring, stretching spring's one end and the inner wall of battery test storehouse are fixedly connected.

Preferably, the inside of battery test storehouse all is provided with the clamp plate, the surface of clamp plate is fixedly connected with the one end that stretches the spring, clamp plate and guide bar sliding fit each other, copper conductive column passes through insulating seat and screw fixation at the clamp plate surface, the surface threaded connection of clamp plate has the fastening double-screw bolt, the one end of fastening double-screw bolt runs through the clamp plate and extrudees the fastening with the surface of guide bar.

Preferably, the surface of the test cabinet is provided with a placing groove for placing the battery internal resistance tester, and a fixing component is arranged in the placing groove.

Preferably, the inside of fixed subassembly includes spacing piece, fixing screw and adjusts a spiral shell section of thick bamboo, the inside of standing groove is provided with spacing piece, spacing piece and the mutual sliding fit of standing groove, the surface rotation of spacing piece is connected with adjusts a spiral shell section of thick bamboo, the inner wall of standing groove is fixed with the fixing screw, adjust a spiral shell section of thick bamboo and the mutual screw thread fit of fixing screw.

Compared with the prior art, the utility model has the beneficial effects that: the lithium battery pack testing bin is labor-saving, so that the labor intensity of workers when the testing bin clamps the lithium battery pack is reduced, the working efficiency of the testing bin in use is improved, and the flexibility of the testing bin in use is improved;

1. the labor-saving clamping mechanism is arranged, the bin gate is opened, then two groups of lithium battery packs to be tested are respectively placed between the clamping plates, then the second screw rod is rotated, so that the second screw rod drives the first screw rod to rotate, and because the first screw rod and the second screw rod are composed of a positive screw rod and a negative screw rod which are fixed mutually, the clamping plates are respectively in threaded fit with the positive screw rod and the negative screw rod on the surfaces of the first screw rod and the second screw rod, when the second screw rod rotates, the four clamping plates are driven to slide along the sliding grooves simultaneously, so that the clamping plates simultaneously clamp the two groups of lithium battery packs in a centering mode, and then the locking bolt is rotated, so that the second screw rod is locked, the labor-saving clamping function of the test bin is realized, labor is saved, and labor intensity of workers when the test bin clamps the lithium battery packs is reduced;

2. the copper conductive column is fixed on one side of the pressing plate through the insulating seat and the screw, meanwhile, the copper conductive column is electrically connected with the battery internal resistance tester through the connecting wire, then the pressing plate can be pulled downwards to enable the pressing plate to slide downwards along the guide rod, the copper conductive column is pressed to the positive electrode surface and the negative electrode surface of the lithium battery pack, then the fastening stud can be screwed down, the pressing plate is fixed, then the battery pack in the other battery test bin is tested, at the moment, the battery internal resistance tester can test the lithium battery pack through the copper conductive column, the internal resistance of the lithium battery pack at the detection position is tested, after the test is completed, the fastening stud can be unscrewed, the pressing plate is reset under the action of the stretching spring, so that the rapid test function of the test bin on the lithium battery pack is realized, and the work efficiency of the test bin in use is improved;

3. through being provided with change mechanism, if need to test voltage, electric current capacity etc. of lithium cell group, rotatable regulation spiral shell section of thick bamboo drives under the screw-thread fit of regulation spiral shell section of thick bamboo and fixing screw and adjusts spiral shell section of thick bamboo and remove, drives spacing piece and keep away from battery internal resistance tester, later with battery internal resistance tester and connecting wire split, take out battery internal resistance tester again and change to realize the change function of test storehouse to battery internal resistance tester, thereby improved the flexibility when test storehouse is used.

Drawings

FIG. 1 is a schematic view of a three-dimensional appearance structure of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the labor-saving clamping mechanism of the present utility model;

fig. 4 is an enlarged schematic view of the replacing mechanism of the present utility model.

In the figure: 1. a test cabinet; 101. a battery internal resistance tester; 102. a bin gate; 103. a battery test bin; 2. a labor-saving clamping mechanism; 201. a labor-saving clamping component; 2011. a clamping plate; 2012. a chute; 2013. a first screw; 2014. a second screw; 2015. a housing cavity; 202. a locking bolt; 3. a testing mechanism; 301. a test member; 3011. an extension spring; 3012. a fastening stud; 3013. a guide rod; 3014. a pressing plate; 302. a connecting wire; 303. copper current guiding column; 4. a replacement mechanism; 401. a placement groove; 402. a fixing assembly; 4021. a limiting piece; 4022. a fixed screw; 4023. and adjusting the screw cylinder.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and furthermore, the terms "first", "second", "third", "up, down, left, right", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present utility model, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; all other embodiments, which may be directly or indirectly through intermediaries, which may be obtained by a person of ordinary skill in the art without inventive effort based on the embodiments of the present utility model are within the scope of the present utility model.

The structure of the lithium battery pack testing bin provided by the utility model is shown in fig. 1 and 2, and comprises a testing cabinet 1, wherein battery internal resistance testers 101 are arranged in the testing cabinet 1, battery testing bins 103 are arranged on the surface of the testing cabinet 1, bin doors 102 are rotatably connected to the surface of the testing cabinet 1, and the bin doors 102 are positioned on the outer sides of the battery testing bins 103.

Further, as shown in fig. 3, a labor-saving clamping mechanism 2 is disposed in the battery test bin 103, the labor-saving clamping mechanism 2 is composed of a labor-saving clamping component 201 and a locking bolt 202, the labor-saving clamping component 201 is disposed in the battery test bin 103, the labor-saving clamping component 201 is locked by the locking bolt 202, a clamping plate 2011, a sliding groove 2012, a first screw 2013, a second screw 2014 and a containing cavity 2015 are disposed in the labor-saving clamping component 201, sliding grooves 2012 are disposed on two sides of the bottom of the battery test bin 103, clamping plates 2011 and the sliding grooves 2012 are disposed in the sliding grooves 2012 in a sliding fit manner, a containing cavity 2015 is disposed in the test bin 1, the containing cavity 2015 is communicated with the sliding grooves 2012, the surface of the test bin 1 is rotatably connected with the second screw 2014, one end of the second screw 2014 extends to the inside of the containing cavity 2015 and is fixedly provided with a first screw 2013, one end of the first screw 2013 is rotatably connected with the inner wall of the containing cavity 2015, the first screw 2013 and the second screw 2014 are formed by mutually fixedly screwing the first screw 2013 and the second screw 2014 and the opposite screw 2014.

When the lithium battery pack testing device is used, the bin gate 102 is opened, then two groups of lithium battery packs to be tested are respectively placed between the clamping plates 2011, the second screw 2014 is rotated, the second screw 2014 drives the first screw 2013 to rotate, and the clamping plates 2011 are respectively in threaded fit with the positive screw and the negative screw on the surfaces of the first screw 2013 and the second screw 2014 because the first screw 2013 and the second screw 2014 are composed of the positive screw and the negative screw which are fixed mutually, so that the second screw 2011 drives the four clamping plates 2011 to slide along the sliding grooves 2012 simultaneously when rotating, so that the clamping plates 2011 clamp the two groups of lithium battery packs in a centering mode simultaneously, and then the locking bolt 202 is rotated to lock the second screw 2014, so that the labor-saving clamping function of the testing bin is achieved.

Further, as shown in fig. 2, the test mechanism 3 is disposed in the battery test bin 103, the test mechanism 3 is composed of a test member 301, a connecting wire 302 and copper conductive posts 303, four groups of copper conductive posts 303 are disposed in the battery test bin 103, the connecting wire 302 is mounted at one end of the copper conductive posts 303, the connecting wire 302 is electrically connected with the bin door 102, the test member 301 is disposed on the surface of the connecting wire 302, the test member 301 includes an extension spring 3011, a fastening stud 3012, a guide rod 3013 and a pressing plate 3014, the guide rod 3013 is fixed in the battery test bin 103, the extension spring 3011 is sleeved at the top of the guide rod 3013, one end of the extension spring 3011 is fixedly connected with the inner wall of the battery test bin 103, the pressing plate 3014 is fixedly connected with one end of the extension spring 3011, the pressing plate 3014 is in sliding fit with the guide rod 3013, the copper conductive posts 303 are fixed on the surface of the pressing plate 3014 through an insulating seat and a screw, the surface of the pressing plate 3014 is in threaded connection with the fastening stud 3012, and one end of the pressing plate 3014 is pressed through the surface of the guide rod 3014.

During the use, copper conductive post 303 passes through insulating seat and screw fixation in one side of clamp plate 3014, simultaneously, copper conductive post 303 passes through connecting wire 302 and is connected with battery internal resistance tester 101 electricity, afterwards can pull clamp plate 3014 downwards, make clamp plate 3014 slide downwards along guide bar 3013, make copper conductive post 303 press the positive negative pole surface of lithium cell group, afterwards can screw up fastening stud 3012, fix clamp plate 3014, test the inside group battery of another battery test storehouse 103 again, at this moment, battery internal resistance tester 101 can test the lithium cell group through copper conductive post 303, the internal resistance of test department lithium cell group, can unscrew fastening stud 3012 after the test is accomplished, make clamp plate 3014 reset under the effect of extension spring 3011, in order to realize the quick test function of test storehouse to the lithium cell group.

Further, as shown in fig. 4, a replacement mechanism 4 is provided on one side of the battery internal resistance tester 101, the replacement mechanism 4 is composed of a placement groove 401 and a fixing component 402, the surface of the test cabinet 1 is provided with the placement groove 401 for placing the battery internal resistance tester 101, the fixing component 402 is arranged in the placement groove 401, a limit piece 4021, a fixing screw 4022 and an adjusting screw 4023 are arranged in the fixing component 402, a limit piece 4021 is arranged in the placement groove 401, the limit piece 4021 is in sliding fit with the placement groove 401, the adjusting screw 4023 is rotatably connected to the surface of the limit piece 4021, the fixing screw 4022 is fixed on the inner wall of the placement groove 401, and the adjusting screw 4023 is in threaded fit with the fixing screw 4022.

When the lithium battery pack is used, if voltage, current capacity and the like of the lithium battery pack are required to be tested, the adjusting screw barrel 4023 can be rotated, the adjusting screw barrel 4023 is driven to move under the threaded fit of the adjusting screw barrel 4023 and the fixing screw 4022, the limiting piece 4021 is driven to be far away from the battery internal resistance tester 101, then the battery internal resistance tester 101 is detached from the connecting wire 302, and then the battery internal resistance tester 101 is taken out for replacement, so that the replacement function of the battery internal resistance tester 101 by the testing bin is realized.

Working principle: when the lithium battery pack testing device is used, the bin gate 102 is firstly opened, then two groups of lithium battery packs to be tested are respectively placed between the clamping plates 2011, the second screw 2014 is rotated, the second screw 2014 drives the first screw 2013 to rotate, and because the first screw 2013 and the second screw 2014 are composed of positive screws and negative screws which are fixed mutually, the clamping plates 2011 are respectively in threaded fit with the positive screws and the negative screws on the surfaces of the first screw 2013 and the second screw 2014, when the second screw 2014 rotates, the four clamping plates 2011 are driven to slide along the sliding grooves 2012 simultaneously, so that the clamping plates 2011 clamp the two groups of lithium battery packs in a centering mode simultaneously, and then the locking bolts 202 are rotated, the second screw 2014 is locked, so that the labor-saving clamping function of the testing bin is achieved, labor saving is achieved, and labor intensity of workers when the testing bin clamps the lithium battery packs is reduced.

At this time, the copper conductive post 303 is fixed on one side of the pressing plate 3014 through the insulating base and the screw, meanwhile, the copper conductive post 303 is electrically connected with the battery internal resistance tester 101 through the connecting wire 302, then the pressing plate 3014 can be pulled downwards, so that the pressing plate 3014 slides downwards along the guide rod 3013, the copper conductive post 303 is pressed to the positive and negative surfaces of the lithium battery pack, then the fastening stud 3012 can be screwed down, the pressing plate 3014 is fixed, and then the battery pack in the other battery test bin 103 is tested, at this time, the battery internal resistance tester 101 can test the lithium battery pack through the copper conductive post 303, after the internal resistance of the lithium battery pack at the detection position is tested, the fastening stud 3012 can be unscrewed, so that the pressing plate 3014 is reset under the action of the extension spring 3011, and the rapid test function of the lithium battery pack by the test bin is realized, and the work efficiency of the test bin in use is improved.

Meanwhile, if the voltage, the current capacity and the like of the lithium battery pack are required to be tested, the adjusting screw barrel 4023 can be rotated, the adjusting screw barrel 4023 is driven to move under the threaded fit of the adjusting screw barrel 4023 and the fixing screw 4022, the limiting piece 4021 is driven to be far away from the battery internal resistance tester 101, then the battery internal resistance tester 101 is detached from the connecting wire 302, and then the battery internal resistance tester 101 is taken out for replacement, so that the replacement function of the battery internal resistance tester 101 by the test bin is realized, the flexibility of the test bin in use is improved, and the use work of the test bin is finally completed.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a lithium cell group test storehouse, includes test cabinet (1), its characterized in that: the battery internal resistance testing device is characterized in that battery internal resistance testing devices (101) are arranged in the testing cabinet (1), battery testing bins (103) are formed in the surfaces of the testing cabinet (1), bin gates (102) are rotatably connected to the surfaces of the testing cabinet (1), the bin gates (102) are located on the outer sides of the battery testing bins (103), labor-saving clamping mechanisms (2) are arranged in the battery testing bins (103), the labor-saving clamping mechanisms (2) consist of labor-saving clamping components (201) and locking bolts (202), testing mechanisms (3) are arranged in the battery testing bins (103), each testing mechanism (3) consists of a testing member (301), a connecting wire (302) and copper conductive posts (303), and a replacement mechanism (4) is arranged on one side of the battery internal resistance testing device (101), and consists of a placing groove (401) and a fixing assembly (402).

2. The lithium battery pack test compartment of claim 1, wherein: the battery test bin (103) is internally provided with a labor-saving clamping component (201), and the labor-saving clamping component (201) is locked through a locking bolt (202).

3. The lithium battery pack test compartment of claim 2, wherein: the inside of laborsaving clamping part (201) is provided with splint (2011), spout (2012), first screw rod (2013), second screw rod (2014) and accepts cavity (2015), spout (2012) have all been seted up to both sides of battery test storehouse (103) bottom, the inside of spout (2012) all is provided with splint (2011), splint (2011) and spout (2012) sliding fit each other, accept cavity (2015) have all been seted up to the inside of test cabinet (1), accept cavity (2015) and spout (2012) are linked together.

4. A lithium battery pack test compartment according to claim 3, characterized in that: the surface of test cabinet (1) all rotates and is connected with second screw rod (2014), the one end of second screw rod (2014) extends to the inside of acceping cavity (2015) and is fixed with first screw rod (2013), the one end of first screw rod (2013) is connected with the inner wall of acceping cavity (2015) mutually rotation, first screw rod (2013) and second screw rod (2014) all comprise fixed positive screw rod and anti-screw rod mutually, positive screw rod and anti-screw rod on first screw rod (2013) and second screw rod (2014) surface respectively with splint (2011) screw fit each other.

5. The lithium battery pack test compartment of claim 1, wherein: four groups of copper conductive posts (303) are arranged in the battery test bin (103), a connecting wire (302) is arranged at one end of each copper conductive post (303), the connecting wire (302) is electrically connected with the bin gate (102), and a test component (301) is arranged on the surface of the connecting wire (302).

6. The lithium battery pack test compartment of claim 5, wherein: the inside of test component (301) is including stretching spring (3011), fastening double-screw bolt (3012), guide bar (3013) and clamp plate (3014), the inside of battery test storehouse (103) all is fixed with guide bar (3013), the top position department cover of guide bar (3013) is equipped with stretching spring (3011), the one end of stretching spring (3011) is connected with the inner wall of battery test storehouse (103) fixedly.

7. The lithium battery pack test compartment of claim 6, wherein: the inside of battery test storehouse (103) all is provided with clamp plate (3014), the surface of clamp plate (3014) is fixedly connected with the one end that stretches spring (3011), clamp plate (3014) and guide bar (3013) sliding fit each other, copper conductor post (303) are fixed at clamp plate (3014) surface through insulating seat and screw, the surface threaded connection of clamp plate (3014) has fastening double-screw bolt (3012), the one end of fastening double-screw bolt (3012) runs through clamp plate (3014) and with the surface extrusion fastening of guide bar (3013).

8. The lithium battery pack test compartment of claim 1, wherein: the surface of the test cabinet (1) is provided with a placing groove (401) for placing the battery internal resistance tester (101), and a fixing assembly (402) is arranged in the placing groove (401).

9. The lithium battery pack test compartment of claim 8, wherein: the inside of fixed subassembly (402) includes spacing piece (4021), fixing screw (4022) and adjusts spiral shell section of thick bamboo (4023), the inside of standing groove (401) is provided with spacing piece (4021), spacing piece (4021) and standing groove (401) sliding fit each other, the surface rotation of spacing piece (4021) is connected with adjusts spiral shell section of thick bamboo (4023), the inner wall of standing groove (401) is fixed with fixing screw (4022), adjust spiral shell section of thick bamboo (4023) and mutual screw thread fit of fixing screw (4022).