CN215725820U

CN215725820U - Lithium ion battery measuring device

Info

Publication number: CN215725820U
Application number: CN202121452975.XU
Authority: CN
Inventors: 何臣臣; 孙志强; 陈利权; 谭明胜
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-02-01
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses a lithium ion battery measuring device, relates to the technical field of power battery preparation, and particularly relates to an electronic battery measuring device, which comprises a plurality of groups of probes, a display device and a clamping plate, wherein: each group the probe includes first probe and second probe, and the one end of first probe and the one end of second probe are installed on the splint, leave the space between the other end of first probe and the other end of second probe, display device installs on first probe or second probe. In addition, the lithium ion battery measuring device disclosed by the utility model is mainly used for measuring in the battery manufacturing process, and can find out the problem of unevenness of the battery in the supporting process and provide a solution.

Description

Lithium ion battery measuring device

Technical Field

The utility model relates to the technical field of power battery preparation, in particular to a device for measuring an electronic battery.

Background

The thickness of the lithium ion battery is an important monitoring index in the process of supporting and assembling the lithium ion battery cell into a module, however, in the prior art, the method for measuring the thickness of the battery is mainly a visual observation method or a laser scanning method, the visual observation method is a visual observation method, the state of the surface of the battery is observed by using visible light, the method is a rough and non-quantitative observation method, and the thickness difference of the battery cannot be quantitatively given; the laser scanning method is to scan the whole profile of the battery by using optical equipment, then support the 3D model, and then calculate the difference between the whole thickness value and the thickness value of the cross section, although quantitative measurement can be performed, the equipment is expensive, and the cost is high.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art that the equipment for measuring the thickness of the battery is expensive, the cost is high, the measuring method with lower cost is rough, the thickness difference of the battery core cannot be quantitatively given, and the existing measuring modes are all focused on thickness measurement when the battery core is offline or thickness measurement when the battery core is assembled into a mold.

A lithium ion battery measuring device comprises a plurality of groups of probes, a display device and a clamping plate, wherein:

each group the probe includes first probe and second probe, and the one end of first probe and the one end of second probe are installed on the splint, leave the space between the other end of first probe and the other end of second probe, display device installs on first probe or second probe.

Further, the first probe is connected with the clamping plate through a spring; the second probe is connected with the clamping plate through a spring.

Further, the clamping plate comprises a first clamping plate and a second clamping plate, and the first probe is connected with the first clamping plate through a spring; the second probe is connected with the second clamping plate through a spring.

Furthermore, the first probe and the second probe are oppositely arranged.

Further, the first probe and the second probe are fixed with the clamping plate through connecting pieces.

Further, the clamping plate is provided with a sliding track.

Further, the connecting piece is connected with the sliding rail of the clamping plate in a sliding mode.

Furthermore, first splint and second splint are L type structure, first splint and the coincide of second splint form the recess.

Further, a gasket is arranged in the groove.

Furthermore, the first clamping plate and the second clamping plate are provided with corresponding sliding tracks.

In addition, the lithium ion battery measuring device disclosed by the utility model is mainly used for measuring in the battery manufacturing process, and can find out the problem of battery unevenness in the supporting process and provide a solution.

Drawings

FIG. 1 is a schematic diagram of an overall structure of a lithium ion battery measuring device according to the present invention;

fig. 2 is a schematic diagram of a partial structure of a lithium ion battery measuring device according to the present invention.

The reference numerals are explained below:

110: a first probe; 120: a second probe; 2: a display device; 3: a spring; 410: a first splint; 420: a second splint; 5: a groove; 6: a connecting member; 7: a sliding track.

Detailed Description

The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

Example one

The utility model provides a lithium ion battery measuring device, its electric core thickness's that is used for the battery measurement, lithium ion battery measuring device is specific to measure the distribution of lithium ion battery cell thickness through the probe that has the spring in the left and right sides according to the slip track slip removal, as shown in figure 1, includes a plurality of groups of probe, display device 2 and splint, wherein: each set of the probes includes a first probe 110 and a second probe 120, one end of the first probe 110 and one end of the second probe 120 are mounted on the clamping plate, a space is left between the other end of the first probe 110 and the other end of the second probe 120, and the display device 2 is mounted on the first probe 110 or the second probe 120.

In this application embodiment, the probe is as probe contact electricity core, splint are as the fixed plate of fixed probe, centre gripping the probe makes the probe can fix a position or can make the probe interdynamic on splint when measuring, the probe with splint slip fixed connection, display device 2 shows the thickness when probe contact electricity core.

In practical application, the first probe 110 and the second probe 120 are located on the same horizontal plane, and a space is left between the other end of the first probe 110 and the other end of the second probe 120 for placing a lithium ion battery to be tested.

In a preferred embodiment of the present application, the display device 2 is connected to the second clamping plate 420 through the spring 3, and the principle that the display device 2 can display the cell thickness is to calculate the thickness of the cell by using the pressure of the cell pressing the spring.

Further, in a preferred embodiment of the present application, as shown in fig. 1, the first probe 110 is connected to the clamping plate by a spring 3; the second probe 120 is connected to the clamp plate by a spring 3.

When the first probe 110 and the second probe 120 are located at the same horizontal position, the first probe 110 is used as a reference, and the second probe 120 reads the thickness of the point where the probes are located through the display device 2, so that the distribution of the thickness of the whole battery cell is obtained, the super-thick position of the battery cell can be obtained in time, and the battery cell support and the design are analyzed and corrected.

Further, in a preferred embodiment of the present application, as shown in fig. 1, the first probe 110 is disposed opposite to the second probe 120.

The positions of the first probe 110 and the second probe 120 are arranged oppositely, so that in the measuring process, the first probe 110 and the second probe 120 can be located at the same horizontal position, and when the first probe 110 and the second probe 120 are located at the same horizontal position, the thickness of the battery cell can be measured through a point contacted between the two probes.

Further, in a preferred embodiment of the present application, the clamping plate includes a first clamping plate 410 and a second clamping plate 420, the first probe 110 is connected to the first clamping plate 410 through a spring 3; the second probe 120 is connected to the second clamping plate 420 by a spring 3.

The clamping plates are preferably arranged to be opposite to each other in the positions of the first clamping plate 410 and the second clamping plate 420, and may also be arranged to be four or six clamping plates with even numbers, no specific number limitation is made in this embodiment, the clamping plates are arranged to be opposite to each other in the positions of the first clamping plate 410 and the second clamping plate 420, in order to enable the first probe 110 and the second probe 120 to be arranged on the same horizontal plane in opposite directions, so that the probes can be simultaneously directed to test points on the same horizontal line of the battery cell when the thickness of the battery cell is measured, and the thickness of the battery cell can be measured accurately.

In addition, the first probe 110 is connected to the first clamping plate 410 through the spring 3, and the first probe 110 is connected to the first clamping plate 410 through the spring 3, so that the measurement process can be adapted to different thicknesses of the battery cell in a large range, the risk of damaging the measurement device due to the overlarge thickness of the battery cell can be reduced, and meanwhile, the measurement device can be applied to the battery cell in a larger range.

Further, in a preferred embodiment of the present application, as shown in fig. 1 and 2, the probe is fixed to the clamp plate by a connector 6, and the clamp plate is provided with a slide rail 7.

The probe is cylindrical, the probe can be earlier through coupling spring 3, spring 3 is connected again connecting piece 6, connecting piece 6 is convenient for the probe to slide on the slip track 7 of splint, the probe with splint are sliding connection, it is convenient that the probe passes through connecting piece 6 and splint to be connected the probe is in freely movable on the slip track 7 of splint, the operating personnel of being convenient for measures electric core thickness.

Further, in a preferred embodiment of the present application, as shown in fig. 1 and 2, the connecting member 6 is slidably coupled with the slide rail 7 of the clamping plate.

Further, in a preferred embodiment of the present application, as shown in fig. 2, the first clamping plate 410 and the second clamping plate 420 are provided with corresponding sliding rails 7.

The connecting member 6 slides in the sliding track 7 of the clamping plate along the direction of the guide rail, the sliding track 7 of the first clamping plate 410 has the same track as the sliding track 7 of the second clamping plate 420, in practical applications, the motion track of the first probe 110 is the same as the motion track of the second probe 120, and the staying points of the first probe 110 and the second probe 120 on the tracks are also the same and on the same horizontal plane.

Further, in a preferred embodiment of the present application, the first clamping plate 410 and the second clamping plate 420 have an L-shaped structure, and the first clamping plate 410 and the second clamping plate 420 are overlapped to form a groove.

Be provided with recess 5 between first splint 410 and the second splint 420, it is preferred, first splint 410 with second splint 420 forms recess 5 through the coincide, through the recess 5 that first splint 410 with second splint 420 coincide forms can adapt to the electric core of different thickness, through with second splint 420 is the mode that moves backward enlarges or reduces recess 5 width to solve the measurement problem of different model electricity cores. However, in practical applications, the groove 5 between the first clamping plate 410 and the second clamping plate 420 may be formed by adding a groove structure, or by arranging the first clamping plate 410 and the second clamping plate 420 as an integral structure with the groove 5 in the middle.

Further, in a preferred embodiment of the present application, a gasket is provided in the groove 5. In practical application, the width of the groove 5 can be adjusted by adding or subtracting a gasket, and the gasket can also play a role in buffering the battery cell.

In the description of the present invention, it is to be understood that the terms "intermediate", "length", "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", "radial", "circumferential", and the like, indicate orientations and positional relationships that are based on the orientations and positional relationships shown in the drawings, are used for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the first feature may be "on" the second feature in direct contact with the second feature, or the first and second features may be in indirect contact via an intermediate. "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is for the purpose of illustrating embodiments of the utility model and is not intended to limit the utility model, and it will be apparent to those skilled in the art that any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the utility model shall fall within the protection scope of the utility model.

Claims

1. The utility model provides a lithium ion battery measuring device which characterized in that, includes a plurality of groups of probe, display device and splint, wherein:

2. The lithium ion battery measuring device of claim 1, wherein the first probe is connected to the clamping plate via a spring; the second probe is connected with the clamping plate through a spring.

3. The lithium ion battery measuring device according to claim 2, wherein the clamping plate comprises a first clamping plate and a second clamping plate, and the first probe is connected with the first clamping plate through a spring; the second probe is connected with the second clamping plate through a spring.

4. The lithium ion battery measuring device of claim 1, wherein the first probe is positioned opposite the second probe.

5. The li-ion battery measurement device of claim 1, wherein the first probe and the second probe are secured to the clamp plate by a connector.

6. The lithium ion battery measuring device of claim 5, wherein the clamping plate is provided with a sliding track.

7. The lithium ion battery measuring device of claim 6, wherein the connecting member is slidably connected to the sliding rail of the clamping plate.

8. The lithium ion battery measuring device of claim 3, wherein the first clamping plate and the second clamping plate are L-shaped structures, and the first clamping plate and the second clamping plate are overlapped to form a groove.

9. The lithium ion battery measuring device of claim 8, wherein a gasket is disposed in the groove.

10. The lithium ion battery measuring device of claim 3, wherein the first clamping plate and the second clamping plate are provided with corresponding sliding rails.