CN214153006U

CN214153006U - Heat-conducting plate, electric core group and laminate polymer battery module

Info

Publication number: CN214153006U
Application number: CN202023281685.1U
Authority: CN
Inventors: 陈慧; 吴王亮; 喻锟; 陈鑫; 谢镇天; 周金勇; 李海军; 蔡惠群
Original assignee: Yinlong New Energy Co Ltd
Current assignee: Yinlong New Energy Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-07
Anticipated expiration: 2030-12-29

Abstract

The utility model provides a heat-conducting plate, electric core group and laminate polymer battery module. The heat-conducting plate for the electric core group, including topside, side and the base that connects in order, topside and base are located the upper and lower both ends of side respectively, and topside and base all are perpendicular with the side to form Contraband font structure, two heat-conducting plates can connect in order and form the fixed space of fixed soft package electricity core between two heat-conducting plates. The utility model provides a soft-packaged electrical core radiating effect poor problem among the prior art.

Description

Heat-conducting plate, electric core group and laminate polymer battery module

Technical Field

The utility model relates to a battery technology field particularly, relates to a heat-conducting plate, electric core group and laminate polymer battery module.

Background

At present, the soft-packaged battery cell is mainly considered that the battery cell is stacked for use when in application, or the battery cell is glued and fixed. Soft-packaged electrical core piles up the use or splices and piles up, all can lead to soft-packaged electrical core during operation, and the heat that electrochemical reaction produced takes place for the body can not in time be derived, causes the incident easily.

Therefore, the problem that the heat dissipation effect of the soft package battery core is poor exists in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a heat-conducting plate, electric core group and laminate polymer battery module to laminate polymer battery core radiating effect is poor among the solution prior art problem.

In order to achieve the above object, according to the utility model discloses an aspect provides a heat-conducting plate for the electric core group, including topside, side and the base connected in order, topside and base are located the upper and lower both ends of side respectively, and topside and base all perpendicular with the side to form Contraband font structure, two heat-conducting plates can connect in order and form the dead space of fixed soft package electricity core between two heat-conducting plates.

Further, the heat-conducting plate still includes limit structure, and limit structure is a plurality of, and a plurality of limit structure intervals and the circumference along the side set up respectively in the both sides of side, and each limit structure one-to-one of side both sides sets up, and when two heat-conducting plates connect in order, a plurality of limit structure enclose into fixed space.

Further, limit structure includes spacing protruding muscle and spacing mouthful, and spacing protruding muscle sets up in spacing mouthful department, and spacing protruding muscle outwards protrudes and forms accommodation space with spacing mouthful, and two adjacent spacing protruding muscle are towards the both sides protrusion of side respectively.

Furthermore, the cross section of the limiting convex rib is U-shaped or V-shaped.

Further, the two heat conducting plates are detachably connected.

Further, the heat-conducting plate still includes the buckle, and the buckle is a plurality of, and at least topside and base department are provided with the buckle, and two heat-conducting plates pass through the buckle and connect.

Further, the buckle includes pin thread and box, and the pin thread sets up in one side of heat-conducting plate for topside and base back to, and the box sets up on topside and base, and the pin thread of a heat-conducting plate and the box lock of another heat-conducting plate to make two heat-conducting plate buckles connect.

Further, the top edge and the bottom edge are both U-shaped plates folded from the middle.

Further, the heat conductive plate is made of an aluminum material.

Further, the top edge, the side edge and the bottom edge are integrally formed.

According to another aspect of the present invention, there is provided an electric core assembly, comprising the above-mentioned heat-conducting plate.

According to the utility model discloses a another aspect provides a laminate polymer battery module, including foretell electric core group.

Use the technical scheme of the utility model, the heat-conducting plate is used for electric core group, including the topside of connecting in order, side and base, topside and base are located the upper and lower both ends of side respectively, and topside and base all perpendicular with the side, in order to form Contraband font structure, two heat-conducting plates can be connected in order and form the fixed space of fixed soft-packaged electric core between two heat-conducting plates, the heat-conducting plate can be fixed with soft-packaged electric core, can transmit the both ends of electric core group with the heat that soft-packaged electric core produced again, the heat of being convenient for in time looses, the poor problem of soft-packaged electric core radiating effect among the prior art has been solved.

Drawings

The accompanying drawings, which form a part of the present application, 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 serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic view of an angle of a heat-conducting plate in an embodiment of the invention;

fig. 2 shows a schematic view of another angle of the heat-conducting plate in an embodiment of the invention;

fig. 3 shows a schematic structural diagram of the electric core assembly in an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a top edge; 20. a side edge; 30. a bottom edge; 40. a limiting structure; 41. limiting convex ribs; 42. a limiting port; 50. buckling; 51. a male buckle; 52. a female buckle; 1. a heat conducting plate; 2. soft-packaged battery cell.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

In order to solve the poor problem of laminate polymer core radiating effect among the prior art, the utility model provides a heat-conducting plate, electric core group and laminate polymer battery module. Wherein, the following electric core group comprises the following heat conducting plate. The soft package battery module comprises the following electric core group.

As shown in fig. 1 to 2, the heat-conducting plate is used for the electric core pack and includes a top side 10, a side 20 and a bottom side 30 which are connected in sequence. Top edge 10 and bottom edge 30 are located at the upper and lower ends of side edge 20, respectively, and both top edge 10 and bottom edge 30 are perpendicular to side edge 20 to form an Contraband-shaped structure. Two heat-conducting plates can be connected in order and form the fixed space of fixed soft-packaged electrical core between two heat-conducting plates.

Be used for the electric core group through the heat-conducting plate, including the topside 10 that connects in order, side 20 and base 30, topside 10 and base 30 are located the upper and lower both ends of side 20 respectively, and topside 10 and base 30 are all perpendicular with side 20, in order to form Contraband font structure, two heat-conducting plates can be connected in order and form the fixed space of fixed soft-packaged electrical core between two heat-conducting plates, the heat-conducting plate can be fixed with soft-packaged electrical core, can transmit the both ends of electric core group with the heat that soft-packaged electrical core produced again, the heat in time effluvium of being convenient for, the radiating effect of soft-packaged electrical core has been guaranteed, avoid causing the incident.

As shown in fig. 1 to 2, the heat-conducting plate further includes a limiting structure 40. Limiting structures 40 are a plurality of, and a plurality of limiting structures 40 are spaced apart and set up respectively in the both sides of side 20 along the circumference of side 20. The limiting structures 40 on the two sides of the side edge 20 are arranged in a one-to-one correspondence. When the two heat-conducting plates are connected in sequence, a plurality of limiting structures 40 enclose a fixed space. Through setting up limit structure 40, when two heat-conducting plates connect, the limit structure 40 of two heat-conducting plates can be with including the soft-packaged electrical core holding of centre and fix. Like this soft-packaged electrical core's both sides all are close to the heat-conducting plate for the heat that soft-packaged electrical core during operation produced can in time transmit to the upper and lower both ends of electric core group through the heat-conducting plate, and the radiating effect of soft-packaged electrical core has been guaranteed to the thermal dissipation effect of being convenient for in time effluvium, avoids causing the incident.

As shown in fig. 1 to 2, the limiting structure 40 includes a limiting rib 41 and a limiting opening 42. The limiting convex ribs 41 are arranged at the limiting openings 42, the limiting convex ribs 41 protrude outwards and form accommodating spaces with the limiting openings 42, and two adjacent limiting convex ribs 41 protrude towards two sides of the side edge 20 respectively. When two heat-conducting plates are connected, the limiting convex rib 41 of one heat-conducting plate extends into the accommodating space through the limiting opening 42 of the other heat-conducting plate, so that the plurality of limiting convex ribs 41 surround the fixing space for fixing the soft-package battery core.

In this embodiment, the cross section of the stopper rib 41 is U-shaped. Specifically, the limit rib 41 is stamped from a single plate into a U-shape. The two ends of the limiting convex rib 41 are respectively fixed at the two sides of the limiting opening 42, so that the back surface of the limiting convex rib 41 forms the accommodating space. When two heat-conducting plates are connected, because be the same heat-conducting plate, the position and the shape homogeneous phase of spacing protruding muscle 41 are the same, and the spacing protruding muscle 41 of a heat-conducting plate stretches into accommodation space through the spacing mouth 42 of another heat-conducting plate in, laminate with the back of the corresponding spacing protruding muscle 41 of another heat-conducting plate to make a plurality of spacing protruding muscle 41 enclose into the fixed space of fixed laminate core. Of course, the limiting ribs 41 may also be in other shapes such as V-shape, and may be selected according to actual requirements.

In the embodiment, the two heat conducting plates are detachably connected.

As shown in fig. 1 to 2, the heat-conducting plate further comprises a clasp 50. The plurality of buckles 50 are provided, at least the top edge 10 and the bottom edge 30 are provided with the buckles 50, and the two heat-conducting plates are connected through the buckles 50.

As shown in fig. 1 to 2, the buckle 50 includes a male buckle 51 and a female buckle 52. The male button 51 is arranged on the side of the plate opposite to the top 10 and bottom 30 edges, and the female button 52 is arranged on the top 10 and bottom 30 edges. The male buckle 51 of one plate is engaged with the female buckle 52 of the other plate to allow the two plates to be snap-fit.

In this embodiment, the top edge 10 and the bottom edge 30 are each a U-shaped panel folded from the middle. Specifically, the opening of the female buckle 52 is disposed at the turning position of the U-shaped plate. Thus, when the two heat-conducting plates are connected, the male button 51 of one heat-conducting plate extends into the middle gap of the U-shaped plate through the opening of the female button 52 of the other heat-conducting plate, so as to be buckled with the female button 52 of the other heat-conducting plate.

In the present embodiment, the heat conductive plate is made of an aluminum material. The aluminium material has good heat conductivity, and weight is lighter, can guarantee that the heat-conducting plate can in time transmit the upper and lower both ends of electric core group with the heat that soft-packaged electrical core gived off high-efficiently, is convenient for in time gived off the heat, has also alleviateed the weight of heat-conducting plate, and then has alleviateed the weight of whole electric core group, has better lightweight effect. In addition, the price of the aluminum material is far lower than that of silver and other materials, so that the cost is greatly reduced.

In this embodiment, the top edge 10, side edges 20, and bottom edge 30 are integrally formed. The heat-conducting plate in this embodiment has sufficient intensity by the integrated into one piece's connected mode to guarantee the heat-conducting plate to the fixed fastness of soft-package electricity core, also improved the life of heat-conducting plate. In addition, the heat conducting plate can be directly formed by punching one plate, and the production efficiency is greatly improved.

As shown in fig. 3, the electric core set includes a heat-conducting plate 1. Specifically, the electric core group includes a plurality of heat-conducting plates 1 and a plurality of soft packet of electricity core 2. Wherein, two heat-conducting plates 1 are connected and are fixed including a soft-packaged electrical core 2. A plurality of heat-conducting plates 1 are connected in order like this to concatenate a plurality of soft-packaged electrical core 2, satisfy the power consumption demand.

In the present embodiment, the number of the flexible package cells 2 and the number of the heat conducting plates 1 may be determined according to the requirements of the battery capacity and the voltage in actual use. That is to say, through two adjacent heat-conducting plates 1 with the fixed mode of a soft-packaged electrical core 2, according to the in-service use demand, because connect for detachably between two heat-conducting plates 1, the electric core group in this embodiment can increase or reduce the quantity of soft-packaged electrical core 2 and heat-conducting plate 1 and match in a flexible way. Thus, complex fixing structures and dismounting processes are not needed, and the applicability of the product is greatly improved.

The application also provides a laminate polymer battery module, including foretell electric core group.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: be used for the electric core group through the heat-conducting plate, including the topside 10 that connects in order, side 20 and base 30, topside 10 and base 30 are located the upper and lower both ends of side 20 respectively, and topside 10 and base 30 are all perpendicular with side 20, in order to form Contraband font structure, two heat-conducting plates can be connected in order and form the fixed space of fixed soft-packaged electrical core between two heat-conducting plates, the heat-conducting plate can be fixed with soft-packaged electrical core, can transmit the both ends of electric core group with the heat that soft-packaged electrical core produced again, the heat in time effluvium of being convenient for, the radiating effect of soft-packaged electrical core has been guaranteed, avoid causing the incident.

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 is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a heat-conducting plate for the electric core group, its characterized in that, including topside (10), side (20) and base (30) that connect in order, topside (10) with base (30) are located respectively the upper and lower both ends of side (20), just topside (10) with base (30) all with side (20) are perpendicular to form Contraband font structure, two the heat-conducting plate can connect in order and two form the static space of fixed soft package electricity core between the heat-conducting plate.

2. The heat-conducting plate according to claim 1, characterized in that the heat-conducting plate further comprises a plurality of limiting structures (40), the plurality of limiting structures (40) are arranged at intervals and along the circumferential direction of the side edge (20) on two sides of the side edge (20), the limiting structures (40) on two sides of the side edge (20) are arranged in a one-to-one correspondence, and when the two heat-conducting plates are connected in sequence, the plurality of limiting structures (40) enclose the fixing space.

3. The heat-conducting plate according to claim 2, characterized in that the limiting structure (40) comprises a limiting rib (41) and a limiting opening (42), the limiting rib (41) is arranged at the limiting opening (42), the limiting rib (41) protrudes outwards and forms a receiving space with the limiting opening (42), and two adjacent limiting ribs (41) protrude towards two sides of the side edge (20) respectively.

4. A plate according to claim 3, characterised in that the limiting rib (41) is U-shaped or V-shaped in cross section.

5. A thermally conductive plate according to claim 1, characterized in that there is a detachable connection between the two plates.

6. The plate according to claim 5, characterized in that it further comprises a plurality of catches (50), said catches (50) being provided at least at the top edge (10) and at the bottom edge (30), the two plates being connected by means of said catches (50).

7. The heat-conducting plate according to claim 6, characterized in that said snap (50) comprises a male (51) and a female (52) buckle, said male (51) buckle being arranged on the side of the plate opposite to the top (10) and bottom (30) edges, said female (52) buckle being arranged on the top (10) and bottom (30) edges, said male (51) buckle of one plate being engaged with said female (52) buckle of the other plate to snap-couple the two plates.

8. The heat-conductor plate according to claim 1, characterized in that said top edge (10) and said bottom edge (30) are each a U-shaped plate turned from the middle.

9. A thermally conductive plate according to any of claims 1 to 8, characterized in that it is made of aluminum material.

10. The heat-conducting plate according to any one of claims 1 to 8, characterized in that the top edge (10), the side edge (20) and the bottom edge (30) are integrally formed.

11. An electric core pack characterized by comprising the heat-conducting plate according to any one of claims 1 to 8.

12. A soft package battery module, characterized by comprising the battery pack of claim 9.