CN218039427U

CN218039427U - Nickel-hydrogen battery with heat radiation structure

Info

Publication number: CN218039427U
Application number: CN202221584996.1U
Authority: CN
Inventors: 曹弘; 石映星
Original assignee: Shenzhen Guangpeng New Energy Co ltd
Current assignee: Shenzhen Guangpeng New Energy Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-12-13
Anticipated expiration: 2032-06-23

Abstract

The utility model belongs to the technical field of nickel-metal hydride batteries, in particular to a nickel-metal hydride battery with a heat dissipation structure, which comprises a nickel-metal hydride battery body, wherein the top end of the nickel-metal hydride battery body is respectively connected with a positive terminal and a negative terminal, the nickel-metal hydride battery body is sequentially wrapped with a heat absorption sponge layer, a metal heat conduction layer and a flexible sheath layer, the flexible sheath layer is externally wrapped with a PVC outer sheath, and a flexible isolation component is arranged between the PVC outer sheath and the flexible sheath layer; the nickel-metal hydride battery body of the utility model utilizes the heat absorption sponge layer, the metal heat conduction layer and the flexible sheath layer to match, utilizes the heat absorption sponge layer to absorb the heat generated by the nickel-metal hydride battery body, and is led out through the heat conduction holes of the metal heat conduction layer and the flexible sheath layer, thereby greatly improving the heat dissipation performance of the nickel-metal hydride battery body; the flexible sheath layer and the PVC outer sheath also play a reliable safety protection role on the nickel-metal hydride battery body, so that the use reliability of the nickel-metal hydride battery is ensured, and the service life of the nickel-metal hydride battery is prolonged.

Description

Nickel-hydrogen battery with heat radiation structure

Technical Field

The utility model belongs to the technical field of the nickel-metal hydride battery, concretely relates to nickel-metal hydride battery with heat radiation structure.

Background

As fossil fuels are less and less under the condition of large-scale development and utilization of human beings, in recent years, the development and utilization of hydrogen energy are increasingly emphasized, and the nickel-hydrogen battery is more and more noticed by people as an important direction of hydrogen energy application, and is a storage battery with good performance, and is divided into a high-voltage nickel-hydrogen battery and a low-voltage nickel-hydrogen battery; the nickel-metal hydride battery has an anode active material of Ni (OH) 2 (referred to as NiO electrode), a cathode active material of metal hydride, also referred to as hydrogen storage alloy (referred to as hydrogen storage electrode), and an electrolyte of 6mol/L potassium hydroxide solution, and has attracted more and more attention as an important direction for application of hydrogen energy.

However, when the conventional nickel-metal hydride battery is used, a chemical reaction actually occurs inside the conventional nickel-metal hydride battery during the charging or discharging process of the nickel-metal hydride battery, and the chemical reaction is an exothermic reaction, so that the nickel-metal hydride battery can generate high heat during the use, and the conventional nickel-metal hydride battery lacks a necessary auxiliary heat dissipation structure, so that the generated heat cannot be timely led out, the use reliability of the nickel-metal hydride battery is affected, and the service life of the nickel-metal hydride battery is greatly shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a nickel-hydrogen battery with heat radiation structure, which has the characteristics of convenient use, easy heat radiation and long service life.

In order to achieve the above object, the utility model provides a following technical scheme: a nickel-metal hydride battery with a heat dissipation structure comprises a nickel-metal hydride battery body, wherein the top end of the nickel-metal hydride battery body is connected with a positive terminal and a negative terminal respectively, a heat absorption sponge layer, a metal heat conduction layer and a flexible sheath layer are sequentially wrapped on the nickel-metal hydride battery body from inside to outside, a PVC outer sheath is wrapped outside the flexible sheath layer, and a flexible isolation assembly is arranged between the PVC outer sheath and the flexible sheath layer; and heat conducting holes are uniformly formed in the flexible sheath layer.

As an optimized technical scheme of the utility model, the metal heat-conducting layer is the red copper heat-conducting layer.

As an optimized technical scheme of the utility model, flexible restrictive coating is the TPU sheath.

As a preferred technical proposal of the utility model, a top cover is fixedly bonded at the top end of the PVC outer sheath, a bottom cover is fixedly bonded at the bottom end of the PVC outer sheath, and air holes are respectively arranged on the top cover and the bottom cover; and the top cover is also provided with a through hole for the positive terminal and the negative terminal to penetrate through.

As an optimal technical scheme of the utility model, flexible isolation assembly includes flexible post and expanding spring, the one end of flexible post with the PVC oversheath is connected, the other end with flexible sheath layer is connected, the expanding spring cover is established on the flexible post.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a nickel-hydrogen battery body utilizes heat absorption sponge layer, metal heat-conducting layer and flexible restrictive coating to cooperate, utilizes the heat absorption sponge layer to absorb the heat that nickel-hydrogen battery body produced, derives through the heat conduction hole that metal heat-conducting layer cooperation flexible restrictive coating, has improved the heat dispersion of nickel-hydrogen battery body greatly; the flexible sheath layer and the PVC outer sheath also play a reliable safety protection role on the nickel-metal hydride battery body, so that the use reliability of the nickel-metal hydride battery is ensured, and the service life of the nickel-metal hydride battery is prolonged.

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 serve to explain the invention and not to limit the invention. In the drawings:

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

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

fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

in the figure: 1. a nickel-metal hydride battery body; 2. a positive terminal; 3. a negative terminal; 4. a heat absorbing sponge layer; 5. a metal heat conducting layer; 6. a flexible jacket layer; 7. a heat conduction hole; 8. a PVC outer sheath; 9. a top cover; 10. a bottom cover; 11. air holes are formed; 12. perforating; 13. a telescopic column; 14. a telescoping spring.

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 fig. 1-3, the present invention provides the following technical solutions: a nickel-metal hydride battery with a heat dissipation structure comprises a nickel-metal hydride battery body 1, wherein the top end of the nickel-metal hydride battery body 1 is respectively connected with a positive terminal 2 and a negative terminal 3, the nickel-metal hydride battery body 1 is sequentially wrapped with a heat absorption sponge layer 4, a metal heat conduction layer 5 and a flexible sheath layer 6 from inside to outside, the flexible sheath layer 6 is wrapped with a PVC outer sheath 8, and a flexible isolation assembly is arranged between the PVC outer sheath 8 and the flexible sheath layer 6; evenly seted up heat conduction hole 7 on flexible restrictive coating 6, when using, utilize the wire to connect external equipment with nickel-hydrogen battery body 1's positive terminal 2 and negative terminal 3 can use, heat absorption sponge layer 4, metal heat-conducting layer 5 and flexible restrictive coating 6 mutually support, heat absorption sponge layer 4 is used for absorbing the heat that nickel-hydrogen battery body 1 produced at the during operation, and utilize metal heat-conducting layer 5 fully to derive, heat conduction hole 7 of flexible restrictive coating 6 is used for realizing the circulation of air, in time spill out the heat that nickel-hydrogen battery body 1 produced at the during operation, flexible restrictive coating 6 has still played reliable safety protection effect to nickel-hydrogen battery body 1, the reliability of nickel-hydrogen battery body 1 use has been guaranteed, the life of nickel-hydrogen battery body 1 has been improved.

Specifically, as shown in fig. 1 and fig. 2, in the present embodiment, the metal heat conduction layer 5 is a red copper heat conduction layer, which has low electrical conductivity and better heat conduction effect.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, the flexible sheath layer 6 is a TPU sheath, which has high hardness, high strength, and good elasticity, and plays a reliable safety protection role for the nickel-metal hydride battery body 1.

Specifically, as shown in fig. 1 and fig. 2, in this embodiment, a top cover 9 is fixedly bonded to the top end of the PVC outer sheath 8, a bottom cover 10 is fixedly bonded to the bottom end of the PVC outer sheath, and air holes 11 are formed in both the top cover 9 and the bottom cover 10; still set up the perforation 12 that supplies anodal terminal 2 and negative terminal 3 to run through on top cap 9, top cap 9 and bottom 10 cooperation PVC oversheath 8 surround nickel-hydrogen battery body 1, have improved the protective effect to nickel-hydrogen battery body 1.

Specifically, as shown in fig. 1 and fig. 3, in this embodiment, the flexible isolation assembly includes a telescopic column 13 and a telescopic spring 14, one end of the telescopic column 13 is connected with the PVC outer sheath 8, the other end is connected with the flexible sheath layer 6, the telescopic spring 14 is sleeved on the telescopic column 13, the telescopic column 13 is a telescopic structure formed by sleeving two sections of hollow cylindrical members, under the elastic force action of the telescopic spring 14, the PVC outer sheath 8 is isolated from the flexible sheath layer 6, the protection effect on the nickel-hydrogen battery body 1 is improved, the nickel-hydrogen battery body 1 is prevented from being deformed and damaged due to external impact, and the service life of the nickel-hydrogen battery body 1 is prolonged.

The utility model discloses a theory of operation and use flow: the utility model discloses a nickel-hydrogen battery body 1, when using, utilize the wire to connect the positive terminal 2 and the negative terminal 3 of nickel-hydrogen battery body 1 with external equipment and can use, heat absorption sponge layer 4, metal heat-conducting layer 5 and flexible restrictive coating 6 mutually support, heat absorption sponge layer 4 is used for absorbing the heat that nickel-hydrogen battery body 1 produced at the during operation, and utilize metal heat-conducting layer 5 fully to derive, heat conduction hole 7 of flexible restrictive coating 6 is used for realizing the circulation of air, in time dispel the heat that nickel-hydrogen battery body 1 produced at the during operation, flexible restrictive coating 6 has still played reliable safety protection effect to nickel-hydrogen battery body 1, the reliability of nickel-hydrogen battery body 1 use has been guaranteed, the life of nickel-hydrogen battery body 1 has been improved;

the telescopic column 13 is a telescopic structure formed by sleeving two sections of hollow cylindrical components, and under the elastic force action of the telescopic spring 14, the PVC outer sheath 8 is elastically isolated from the flexible sheath layer 6, so that the protection effect on the nickel-metal hydride battery body 1 is improved, the deformation and damage of the nickel-metal hydride battery body 1 caused by external impact are avoided, and the service life of the nickel-metal hydride battery body 1 is prolonged.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example 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, it need not be further defined and explained in subsequent figures.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be connected through an intermediate medium.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. 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 nickel-metal hydride battery with heat radiation structure, includes nickel-metal hydride battery body (1) the top of nickel-metal hydride battery body (1) is connected with positive terminal (2) and negative terminal (3) respectively, its characterized in that: the nickel-metal hydride battery comprises a nickel-metal hydride battery body (1), wherein a heat absorption sponge layer (4), a metal heat conduction layer (5) and a flexible sheath layer (6) are sequentially wrapped on the nickel-metal hydride battery body from inside to outside, a PVC outer sheath (8) is wrapped on the outside of the flexible sheath layer (6), and a flexible isolation assembly is arranged between the PVC outer sheath (8) and the flexible sheath layer (6); the flexible sheath layer (6) is uniformly provided with heat conducting holes (7).

2. The nickel-metal hydride battery with a heat dissipation structure as recited in claim 1, wherein: the metal heat conduction layer (5) is a red copper heat conduction layer.

3. The nickel-metal hydride battery with a heat dissipation structure as recited in claim 1, wherein: the flexible sheath layer (6) is a TPU sheath.

4. The nickel-metal hydride battery with a heat dissipation structure as recited in claim 1, wherein: a top cover (9) is fixedly bonded at the top end of the PVC outer sheath (8), a bottom cover (10) is fixedly bonded at the bottom end of the PVC outer sheath, and air holes (11) are formed in the top cover (9) and the bottom cover (10); and the top cover (9) is also provided with a through hole (12) for the positive terminal (2) and the negative terminal (3) to penetrate through.

5. The nickel-metal hydride battery with a heat dissipation structure as recited in claim 1, wherein: flexible isolation assembly includes flexible post (13) and expanding spring (14), the one end of flexible post (13) with PVC oversheath (8) are connected, the other end with flexible restrictive coating (6) are connected, expanding spring (14) cover is established on flexible post (13).