CN213715275U

CN213715275U - Laminate polymer battery test fixture

Info

Publication number: CN213715275U
Application number: CN202022791813.0U
Authority: CN
Inventors: 王选朋; 刘子昂; 何文涛; 韩康
Original assignee: Nanjing Zhongling Photoelectric Technology Co ltd
Current assignee: Nanjing Zhongling Photoelectric Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-07-16
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a soft-package battery test fixture, which comprises a soft-package battery, a base capable of loading the soft-package battery, an adjusting knob, a display screen for displaying parameters, an insulating plate, a limiting component and a clamping component, wherein a test element for testing the performance of the soft-package battery is arranged in the base, the top of the base is provided with an adjusting groove, the side surface of the base is provided with a clamping groove for connecting the adjusting groove, the insulating plate is detachably arranged on the base, one end of the insulating plate is provided with a limiting plate, the limiting plate is provided with a first sliding groove, the surface of the insulating plate is provided with a second sliding groove, the limiting component comprises a first limiting part and a second limiting part, the first limiting part is slidably arranged on the first sliding groove, the second limiting part is slidably arranged on the second sliding groove, the sliding of the first limiting part and the second limiting part can fix the soft-package battery on, and with test element electric connection, the centre gripping subassembly can carry out the centre gripping to laminate polymer battery's positive negative pole ear.

Description

Laminate polymer battery test fixture

Technical Field

The utility model relates to the technical field of batteries, specifically be a laminate polymer battery test fixture.

Background

The soft package battery is a polymer shell which is sleeved on a liquid lithium ion battery. Structurally, the aluminum-plastic film is adopted for packaging, and the soft package battery can only blow and crack at most under the condition of potential safety hazard.

Before transportation, the soft package battery can be safely transported only by means of height simulation, thermal test, vibration, impact, external short circuit at 55 ℃, impact test, overcharge test and forced discharge test.

After the soft package battery is subjected to the detection, the performance of the soft package battery needs to be detected, but in the existing soft package battery manufacturing process, the types and the specifications are various, the sizes of batteries with different specifications and types are different, and the distances between the positive electrode lugs and the negative electrode lugs of different soft package batteries are different greatly, so that the soft package battery testing clamp corresponding to different models is needed when the batteries with different models are tested.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

For solving the above problem, the utility model provides a laminate polymer battery test fixture can test the laminate polymer battery of different specifications, and the user of being convenient for uses.

(II) technical scheme

In order to realize the technical scheme, the utility model provides a following technical scheme: a soft package battery test fixture comprises a soft package battery, a base capable of loading the soft package battery, an adjusting knob, a display screen for displaying parameters, an insulating plate, a limiting component and a clamping component, wherein a test element for testing the performance of the soft package battery is arranged in the base, an adjusting groove is arranged at the top of the base, a clamping groove communicated with the adjusting groove is arranged on the side surface of the base, the insulating plate is detachably arranged on the base, one end of the insulating plate is provided with a limiting plate, the limiting plate is provided with a first sliding groove, the surface of the insulating plate is provided with a second sliding groove, the limiting component comprises a first limiting part and a second limiting part, the first limiting part is slidably arranged on the first sliding groove and can move along the length direction of the first sliding groove, the second limiting part is slidably arranged on the second sliding groove and can move along the length direction of the second sliding groove, the first limiting part and, the clamping assembly is provided with two groups, is arranged in the clamping groove in a sliding manner and is electrically connected with the test element, and clamps the positive and negative lugs of the soft package battery extending into the clamping groove.

Preferably, this anchor clamps still includes the depression bar, the centre gripping subassembly includes the slider, rotate piece and elastic component, be equipped with the rotation groove on the slider, it installs at the rotation inslot to rotate the piece, the first end of slider is installed at the centre gripping inslot, and can follow centre gripping groove length direction and remove, the second end stretches into the adjustment tank, the depression bar corresponds the centre gripping subassembly and is equipped with two, and its first end is arranged in the external world, the second end stretches into the adjustment tank and is connected with rotating the piece, elastic component one end is connected with the slider, the other end is connected with rotating the piece, press the first end of depression bar, can make its second end and rotate the piece collision, and under the elastic component effect, order about to rotate the piece, and then the.

Preferably, the fixture further comprises two adjusting pieces, the two adjusting pieces are arranged corresponding to the clamping assemblies, threaded holes penetrating through the surfaces of the two adjusting pieces and communicated with the rotating groove are formed in the second ends of the sliding pieces, clamping protrusions abutted to the clamping grooves are further arranged on the two side faces of the sliding pieces, the first ends of the adjusting pieces can extend into the adjusting grooves and are in threaded connection with the threaded holes, the second ends of the adjusting pieces are arranged outside, and the adjusting pieces are rotated to enable the sliding pieces to be fixed or moved in the clamping grooves under the action of the clamping protrusions.

Preferably, the adjusting part is provided with a through hole penetrating through the surface of the adjusting part, a limiting block is further arranged in the through hole, the first end of the pressing rod is provided with a pressing protrusion matched with the limiting block, and the pressing protrusion can extend out of the outside through the limiting block.

Preferably, the fixture further comprises a limit screw, one end of the first limiting part extends into the first sliding groove to be in threaded connection with the first limiting part, and the first limiting part can be fixed or moved on the limiting plate by rotating the limit screw.

Preferably, the fixture further comprises a limiting ring and a sliding block, wherein the first end of the sliding block is slidably mounted in the second sliding groove, the second end of the sliding block extends out to be rotatably connected with the second limiting part, the limiting ring is in threaded connection with the second end of the sliding block, and the second limiting part can be fixed or movable on the insulating plate by rotating the limiting ring.

Preferably, the two side faces of the insulating plate are provided with sliding protrusions, the side faces of the insulating plate, which are abutted against one end of the base, are provided with positioning protrusions, the base is provided with a third sliding groove and a positioning groove, the third sliding groove and the positioning groove are matched with the sliding protrusions and the positioning protrusions, the sliding protrusions can move along the length direction of the sliding grooves, and the positioning protrusions can be matched with the positioning grooves along with the sliding of the insulating plate.

Preferably, one end of the top of the base, which is close to the adjusting groove, is provided with a plurality of scale marks.

Preferably, the insulating board is equipped with spacing arch with base butt one end face, and spacing bellied height is 5 mm.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: at first place the laminate polymer battery who needs the test on the insulation board, slip first locating part and second locating part fix laminate polymer battery on the insulation board face, then through the slip depression bar, adjust the position of centre gripping subassembly in the grip slipper, adapt to the positive negative pole ear of different positions on the laminate polymer battery of different specifications, then move the insulation board toward direction grip slipper opening direction, when the insulation board tip is close to laminate polymer battery, order about the centre gripping subassembly and open, continue to promote the insulation board, make positive negative pole ear and centre gripping subassembly cooperation, at this moment, adjust knob on the rotating base, can be according to the data determination performance parameter of this battery on the display screen, generally speaking, this laminate polymer battery test fixture, can be to different size specifications, and the laminate polymer battery of positive negative pole ear position difference tests, and convenient for user uses.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 shows a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 shows an exploded view of the overall structure of the embodiment of the present invention;

fig. 3 shows a first cross-sectional view of the overall structure of the embodiment of the present invention;

fig. 4 shows an enlarged view of a in fig. 3 of an embodiment of the present invention;

figure 5 shows a cross-sectional view of an embodiment insulation panel of the present invention;

figure 6 shows a cross-sectional view of a slider according to an embodiment of the present invention;

figure 7 shows a cross-sectional view of an embodiment adjustment member of the present invention.

In the figure: 10 soft package battery, 11 bases, 12 adjusting knobs, 13 display screens, 14 adjusting grooves, 15 clamping grooves, 20 insulating plates, 21 limiting plates, 22 first sliding grooves, 23 second sliding grooves, 30 limiting components, 31 first limiting parts, 32 second limiting parts, 40 clamping components, 41 sliding parts, 42 rotating parts, 43 elastic parts, 44 rotating grooves, 45 pressing rods, 46 pressing protrusions, 50 adjusting parts, 51 threaded holes, 52 clamping protrusions, 53 through holes, 54 limiting parts, 60 limiting screws, 61 limiting rings, 62 sliding blocks, 63 baffle plates, 70 sliding protrusions, 71 positioning protrusions, 72 third sliding grooves, 73 positioning grooves, 74 scale marks and 75 limiting protrusions.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawings 1-7, the embodiment of the utility model discloses a soft-package battery test fixture, the soft-package battery test fixture comprises a soft-package battery 10, a base 11 capable of loading the soft-package battery 10, an adjusting knob 12, a display screen 13 for displaying parameters, an insulating plate 20, a limiting component 30 and a clamping component 40, a test element for testing the performance of the soft-package battery 10 is arranged in the base 11, an adjusting groove 14 is arranged at the top of the base 11, a clamping groove 15 communicated with the adjusting groove 14 is arranged on the side surface of the base 11, the insulating plate 20 is detachably mounted on the base 11, a limiting plate 21 is arranged at one end of the insulating plate, a first chute 22 is arranged on the limiting plate 21, a second chute 23 is arranged on the surface of the insulating plate 20, the limiting component 30 comprises a first limiting part 31 and a second limiting part 32, the first limiting part 31 is slidably mounted on the first chute 22 and, the second limiting part 32 is slidably mounted on the second sliding groove 23 and can move along the length direction of the second sliding groove 23, the flexible package battery 10 can be fixed on the insulating plate 20 by sliding the first limiting part 31 and the second limiting part 32, the two groups of clamping assemblies 40 are arranged and slidably mounted in the clamping groove 15 and electrically connected with the test element, and the clamping assemblies 40 clamp the positive and negative lugs of the flexible package battery 10 extending into the clamping groove 15.

It should be noted that the limiting plate 21 is perpendicular to the opening direction of the holding groove 15, the size of the limiting plate 21 is the same as the size of the plate surface of the insulating plate 20, so that the insulating plate 20 is designed in an L shape, the length of the first limiting member 31 should be greater than 1/3 of the length of the insulating plate 20 and smaller than 1/2 of the length of the insulating plate 20, on one hand, it is avoided that the length of the first limiting member 31 is too short, the contact area between the surface of the first limiting member 31 and the end of the pouch battery 10 is too small, so that the first limiting member 31 is difficult to fix the pouch battery 10, on the other hand, it is avoided that the length of the first limiting member 31 is too long, the end of the first limiting member 31 collides with the second limiting member 32, so that the pouch battery 10 is difficult to fix, the opening direction of the second sliding groove 23 is parallel to the opening direction of the holding groove 15 and is disposed at one end far from the limiting plate 21, the length of, so that it can laminate completely with laminate completely of laminate polymer battery 10 tip, the adjustable horizontal distance of its tip apart from insulation board 20 tip of first locating part 31 slides, and then the laminate polymer battery 10 of fixed different width, the adjustable vertical distance of its tip apart from insulation board 20 tip of second locating part 32 slides, and then the laminate polymer battery 10 of fixed different length, furthermore, the test element in the base 11 can be the power, resistance and connect each test element electric wire etc., the drawing is all not shown, the outside is equipped with the display screen 13 that can show battery parameter and adjusts the adjust knob 12 of 11 internal resistance sizes of base.

Based on the above scheme, the usage of the clamp for testing the soft-package battery is as follows, firstly, the soft-package battery 10 to be tested is placed on the insulating plate 20, the first limiting part 31 and the second limiting part 32 are slid to fix the soft-package battery 10 on the surface of the insulating plate 20, then the position of the clamping assembly 40 in the clamping groove 15 is adjusted through the sliding pressure rod 45 to adapt to the positive and negative lugs at different positions on the soft-package batteries 10 with different specifications, then the insulating plate 20 is moved towards the opening direction of the clamping groove 15, when the end part of the insulating plate 20 is close to the soft-package battery 10, the clamping assembly 40 is driven to be opened, the insulating plate 20 is continuously pushed to enable the positive and negative lugs to be matched with the clamping assembly 40, at this time, the adjusting knob 12 on the base 11 is rotated, the performance parameters of the battery can be determined according to the data on the display screen 13, and, and the soft-package battery 10 with different positions of the positive electrode ear and the negative electrode ear is tested, so that the use by a user is facilitated.

Further, the clamp further includes a press rod 45, the clamping assembly 40 includes a sliding member 41, a rotating member 42 and an elastic member 43, the sliding member 41 is provided with a rotating groove 44, the rotating member 42 is rotatably installed in the rotating groove 44, a first end of the sliding member 41 is installed in the clamping groove 15 and can move along the length direction of the clamping groove 15, a second end of the sliding member extends into the adjusting groove 14, the press rod 45 is provided with two corresponding clamping assemblies 40, a first end of the press rod is arranged outside, a second end of the press rod 45 extends into the adjusting groove 14 and is connected with the rotating member 42, one end of the elastic member 43 is connected with the sliding member 41, the other end of the elastic member is connected with the rotating member 42, the first end of the press rod 45 is pressed to enable the second end to collide with the rotating member 42, and under the action of the elastic member 43, the rotating member 42 is driven to rotate, so as to, the rotating groove 44 is arranged at the second end of the sliding part 41 close to the first end, so that the rotating part 42 can rotate to be clamped with the sliding part 41, the rotating part 42 and the sliding part 41 are far away from the convex design at one end of the rotating groove 44, so that the rotating part 42 and the sliding part 41 can be clamped conveniently, the positive and negative lugs of the soft package battery 10 can be better clamped conveniently, the elastic part 43 is arranged in the rotating groove 44 and is fixedly connected with the sliding part 41 and the rotating part 42, in a normal state, the elastic part 43 jacks up one end of the rotating part 42 close to the rotating groove 44, the other end of the rotating part is abutted against the sliding part 41, when the first end of the pressing rod 45 is pressed, the rotating part 42 is subjected to the acting force of the second end of the pressing rod 45 to drive the elastic part 43 to be compressed, the protruding ends of the sliding part 41 and the rotating part 42 are opened, so that, by providing the clamping assembly 40 in this manner, the utility of the clamp is improved, in this embodiment, the rotating member 42 and the sliding member 41 have both protruding ends of conductive metal and are connected with the inside of the base 11, and the elastic member 43 is preferably a spring.

Further, the clamp further comprises an adjusting member 50, two adjusting members 50 are arranged corresponding to the clamping assembly 40, a threaded hole 51 penetrating through the surface of the sliding member 41 and communicated with the rotating groove 44 is arranged at the second end of the sliding member 41, clamping protrusions 52 abutting against the clamping groove 15 are further arranged on two side faces of the sliding member 41, the first end of the adjusting member 50 can extend into the adjusting groove 14 to be in threaded connection with the threaded hole 51, the second end of the adjusting member 50 is arranged outside, the adjusting member 50 can be rotated to enable the sliding member 41 to be fixed or moved in the clamping groove 15 under the action of the clamping protrusions 52, specifically, the length of the first end of the adjusting member 50 extending into the threaded hole 51 is 1/2 at least as deep as the threaded hole 51, so that the adjusting member 50 can be better connected and matched with the sliding member 41, the two adjusting members 50 can be designed into two different colors, for example, red and black, so that a user can correctly contact the positive, the damage of the testing element in the base 11 caused by the reverse connection of the anode tab and the cathode tab with the clamping component 40 is avoided, the service life of the clamp is prolonged, the clamping bulge 52 can be designed in parallel with the opening direction of the clamping groove 15, and are symmetrically arranged above the rotating groove 44, the adjusting groove 14 is designed close to the bottom of the clamping groove 15, so that the catching protrusion 52 can fix the sliding member 41 in the clamping groove 15, and the adjusting member 50 is rotated, since the adjusting member 50 is threadedly coupled with the sliding member 41, so that the catching protrusion 52 is pressed or loosened with the groove wall of the catching groove 15 by the upward force of the adjusting piece 50, and when the sliding piece 41 is in a loosened state, the adjusting piece 50 is slid, the sliding member 41 can be driven to move along with the adjusting member 50 under the action of the second end of the adjusting member 50, and then the position of slider 41 in centre gripping groove 15 is adjusted, the positive negative pole ear of different positions on the different laminate polymer batteries 10 of adaptation improves the practicality of this anchor clamps.

Furthermore, a through hole 53 penetrating through the surface of the adjusting part 50 is arranged on the adjusting part 50, a limit block 54 is further arranged in the through hole 53, a pressing protrusion 46 matched with the limit block 54 is arranged at the first end of the pressing rod 45, the pressing protrusion 46 can extend out of the outside through the limit block 54, specifically, the limit block 54 is arranged at one end of the through hole 53 communicated with the outside, the pressing protrusion 46 is arranged at the end part of the first end of the pressing rod 45, the length of the pressing rod 45 is larger than the depth of the adjusting groove 14, so that the pressing rod 45 can be arranged in the adjusting groove 14, the pressing protrusion 46 can extend out of the outside, the pressing rod 45 is prevented from sliding out of the adjusting groove 14, the stability of the clamp is improved, when the positive and negative electrode lugs of the soft package battery 10 are required to be communicated with the clamping component 40, the second end of the pressing rod 45 is pressed, the first end of the pressing rod extrudes the rotating, and then the pressing rod 45 is loosened, under the action of the elastic piece 43, the protruding ends of the sliding piece 41 and the rotating piece 42 are restored to be abutted, at the moment, the soft package battery 10 is communicated with a test element in the base 11 through the rotating piece 42 and the sliding piece 41, and in addition, a rubber sleeve can be additionally arranged on the pressing protrusion 46, so that the fingers of a user are prevented from being damaged when the user presses the soft package battery.

In order to fix the first limiting member 31, the fixture further includes a limiting screw 60, one end of the first limiting member 31 extends into the first sliding groove 22 to be in threaded connection with the first limiting member 31, and the limiting screw 60 is rotated to apply an acting force to the first limiting member 31 to be close to or away from the limiting plate 21, so that the first limiting member 31 is fixed or moved on the limiting plate 21, and the practicability of the fixture is improved.

Further, the fixture further comprises a limiting ring 61 and a sliding block 62, a first end of the sliding block 62 is slidably mounted in the second sliding groove 23, a second end of the sliding block 62 extends out to be rotatably connected with the second limiting member 32, the limiting ring 61 is in threaded connection with a second end of the sliding block 62, the second limiting member 32 can be fixed or moved on the insulating plate 20 by rotating the limiting ring 61, specifically, the second sliding groove 23 is in a convex design, the sliding block 62 is in an inverted T-shaped design corresponding to the second sliding groove 23, a baffle 63 extending out of the second sliding groove 23 is arranged at one end of the sliding block 62 close to the limiting plate 21, the length of the baffle 63 is smaller than the distance between the first sliding groove 22 and the second sliding groove 23, so that the end of the baffle is prevented from colliding with the first limiting member 31, the second limiting member 32 is difficult to fix the soft package battery 10, the baffle 63 can enable the second limiting member 32 to rotate to be attached to the soft package battery 10, cause laminate polymer battery 10's damage, improve the practicality of this anchor clamps, slider 62 one end is stretched out second spout 23 and is rotated with second locating part 32 and is connected, rotate spacing ring 61, can make second locating part 32 receive the decurrent effort of spacing ring 61, and fixed or not hard up under the effect of the first end of slider 62, when needs take laminate polymer battery 10 off from insulation board 20, rotate spacing ring 61, make second locating part 32 be in not hard up state, rotate second locating part 32 again to with baffle 63 vertically position, can take out laminate polymer battery 10 from insulation board 20 this moment, and convenient for users use.

Further, insulation board 20 both sides face is equipped with slip arch 70, and its one end side of butt with base 11 is equipped with location arch 71, be equipped with respectively on the base 11 with slip arch 70 and location arch 71 complex third spout 72 and constant head tank 73, slip arch 70 can move along spout length direction, location arch 71 can be along the slip of insulation board 20 with constant head tank 73 cooperation, specifically, insulation board 20 can be toward keeping away from 15 direction movements of centre gripping groove, and then roll-off base 11, be convenient for insulation board 20's dismantlement and change, location arch 71 can be along with insulation board 20's slip and constant head tank 73 cooperation, laminate polymer battery 10 is direct to collide with base 11 when avoiding insulation board 20 to slide, cause the positive negative pole ear bending of its tip, be unfavorable for the user to use.

In order to adapt to the variety of different laminate polymer battery 10 positive and negative pole ear positions, base 11 top is close to regulating tank 14 one end and is equipped with a plurality of scale marks 74, the user can compare laminate polymer battery 10 positive and negative pole ear and scale mark 74 earlier, confirm the distance at its both ends, recycle regulating part 50 and adjust slider 41 and rotate the position of piece 42 in centre gripping groove 15, install laminate polymer battery 10 on insulation board 20 and slide in third spout 72 at last, through addding scale mark 74, the better positive and negative pole ear with laminate polymer battery 10 of the user of being convenient for is connected with slider 41 and rotation piece 42, improve the practicality of this anchor clamps.

Further, insulation board 20 is equipped with spacing arch 75 with 11 butt one end faces of base, and spacing arch 75 highly be 5mm, and is concrete, avoids laminate polymer battery 10 to stretch out too much on the one hand, and insulation board 20 slides to when with 11 butts of base, and

laminate polymer battery

10 and 11 side impact of base damage laminate polymer battery 10 to influence its life.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

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

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The soft package battery test fixture comprises a soft package battery (10), a base (11) capable of loading the soft package battery (10), an adjusting knob (12) and a display screen (13) for displaying parameters, wherein a test element for testing the performance of the soft package battery (10) is arranged in the base (11), an adjusting groove (14) is formed in the top of the base (11), and a clamping groove (15) communicated with the adjusting groove (14) is formed in the side surface of the base (11); it is characterized by also comprising:

the insulation board (20) is detachably mounted on the base (11), one end of the insulation board (20) is provided with a limiting plate (21), the limiting plate (21) is provided with a first sliding chute (22), and the surface of the insulation board (20) is provided with a second sliding chute (23);

the limiting assembly (30) comprises a first limiting piece (31) and a second limiting piece (32), the first limiting piece (31) is slidably mounted on the first sliding chute (22) and can move along the length direction of the first sliding chute (22), the second limiting piece (32) is slidably mounted on the second sliding chute (23) and can move along the length direction of the second sliding chute (23), and the soft package battery (10) can be fixed on the insulating plate (20) by sliding the first limiting piece (31) and the second limiting piece (32);

centre gripping subassembly (40), centre gripping subassembly (40) are equipped with two sets ofly, and slidable installs in centre gripping groove (15), and with test element electric connection, centre gripping subassembly (40) carry out the centre gripping to the positive negative pole ear of stretching into laminate polymer battery (10) in centre gripping groove (15).

2. The soft package battery test fixture according to claim 1, further comprising a pressing rod (45), wherein the clamping assembly (40) comprises a sliding member (41), a rotating member (42) and an elastic member (43), the sliding member (41) is provided with a rotating groove (44), the rotating member (42) is rotatably installed in the rotating groove (44), a first end of the sliding member (41) is installed in the clamping groove (15) and can move along the length direction of the clamping groove (15), a second end of the sliding member extends into the adjusting groove (14), the pressing rod (45) is provided with two corresponding to the clamping assembly (40), the first end of the pressing rod (45) is arranged outside, the second end of the pressing rod extends into the adjusting groove (14) and is connected with the rotating member (42), one end of the elastic member (43) is connected with the sliding member (41), the other end of the elastic member is connected with the rotating member (42), and the first end of the pressing rod (45) is, the second end of the soft package battery can collide with the rotating piece (42), and the rotating piece (42) is driven to rotate under the action of the elastic piece (43), so that the positive and negative lugs of the soft package battery (10) are clamped.

3. The soft package battery test fixture according to claim 2, further comprising two adjusting pieces (50), wherein the two adjusting pieces (50) are arranged corresponding to the clamping assembly (40), the second end of the sliding piece (41) is provided with a threaded hole (51) which penetrates through the surface of the sliding piece and is communicated with the rotating groove (44), two side faces of the sliding piece (41) are further provided with clamping protrusions (52) which are abutted to the clamping groove (15), the first end of each adjusting piece (50) can extend into the corresponding adjusting groove (14) to be in threaded connection with the corresponding threaded hole (51), the second end of each adjusting piece is arranged in the outside, the adjusting pieces (50) are rotated, and under the action of the clamping protrusions (52), the sliding pieces (41) can be fixed or moved in the clamping grooves (15).

4. The laminate polymer battery test fixture according to claim 3, wherein the adjusting member (50) is provided with a through hole (53) penetrating through the surface thereof, the through hole (53) is further provided with a limiting block (54), the first end of the pressing rod (45) is provided with a pressing protrusion (46) matched with the limiting block (54), and the pressing protrusion (46) can extend out of the outside through the limiting block (54).

5. The laminate polymer battery testing fixture according to claim 1, further comprising a limiting screw (60), wherein one end of the first limiting member (31) extends into the first sliding groove (22) to be in threaded connection with the first limiting member (31), and the first limiting member (31) can be fixed or moved on the limiting plate (21) by rotating the limiting screw (60).

6. The laminate polymer battery testing fixture according to claim 1, further comprising a limiting ring (61) and a sliding block (62), wherein a first end of the sliding block (62) is slidably mounted in the second sliding groove (23), a second end of the sliding block (62) extends out to be rotatably connected with the second limiting member (32), the limiting ring (61) is in threaded connection with the second end of the sliding block (62), and the second limiting member (32) can be fixed or moved on the insulating plate (20) by rotating the limiting ring (61).

7. The laminate polymer battery test fixture as claimed in claim 1, wherein the insulation board (20) is provided with sliding protrusions (70) on two sides, and a positioning protrusion (71) is provided on one side of the insulation board abutting against the base (11), the base (11) is provided with a third sliding slot (72) and a positioning groove (73) which are matched with the sliding protrusions (70) and the positioning protrusion (71), the sliding protrusions (70) can move along the length direction of the sliding slots, and the positioning protrusion (71) can be matched with the positioning groove (73) along with the sliding of the insulation board (20).

8. The laminate battery test fixture as claimed in claim 3, wherein a plurality of scale marks (74) are arranged at one end of the top of the base (11) close to the adjusting groove (14).

9. The soft package battery test fixture according to claim 1, wherein a limit protrusion (75) is arranged on a surface of the insulating plate (20) at an end abutted to the base (11), and the height of the limit protrusion (75) is 5 mm.