CN219286463U - Water-cooling heat radiation structure - Google Patents

Abstract

The utility model provides a water-cooling heat dissipation structure, which relates to the technical field of heat dissipation of hydrogen fuel cells, and comprises a fuel cell body, wherein a hydrogen storage device is arranged on one side of the fuel cell body, a heat conduction pipe is arranged on the outer side of the hydrogen storage device, two ends of the heat conduction pipe are respectively connected with a cooling pipe and a cooling device in the fuel cell body, and the hydrogen storage device is a hydrogen storage tank; the cooling pipe inside the fuel cell body and the cooling liquid in the pipe are used for bringing out heat generated inside the fuel cell body, the cooling liquid containing the heat is firstly contacted with the hydrogen storage device, and the hydrogen storage device for releasing hydrogen absorbs a part of the heat, so that the temperature of the cooling liquid is reduced to a certain extent, then the cooling liquid is circulated into the cooling device, the cooling liquid in the cooling pipe is cooled through the cooling device, and the cooled cooling liquid is circulated into the fuel cell body, so that the cooling of the fuel cell body is realized.

Description

Water-cooling heat radiation structure

Technical Field

The utility model relates to the technical field of heat dissipation of hydrogen fuel cells, in particular to a water-cooling heat dissipation structure.

Background

A hydrogen fuel cell is a power generation device that directly converts chemical energy of hydrogen and oxygen into electric energy, and its basic principle is a reverse reaction of electrolyzed water. The hydrogen fuel cell has the advantages of no pollution, high power generation efficiency and the like, and has wide market application prospect in the traffic fields of vehicles, ships and the like. However, in the process of the operation of the battery, the temperature of the battery is continuously increased due to continuous reaction, so that the service life of the fuel battery is further influenced.

Currently, chinese patent application publication No. CN1309113C discloses a fuel cell using atmospheric air as an oxidant and a heat sink, which includes a fuel cell stack, a plurality of blower fans, and a plurality of suction fans, wherein the fuel cell stack includes a proton exchange membrane electrode, an air guide plate, and a hydrogen guide flow plate, the air guide flow plate is provided with a plurality of guide grooves, each guide groove is in a wave shape, and each guide groove directly passes from one side of the air guide flow plate to the other side, after the plurality of air guide flow plates, the proton exchange membrane, and the hydrogen guide flow plate are stacked, one side of the whole fuel cell stack forms an air inlet, the other side forms an air outlet, the blower fans are disposed at the air inlet of the fuel cell stack, and the suction fans are disposed at the air outlet of the fuel cell stack. When the fuel cell works, the functions of the upper blower fan, the lower blower fan and the suction fan are exchanged, so that the normal-pressure hot and humid air intermittently brings heat out of the fuel cell and blows the heat to the hydrogen storage material bottle, and the hydrogen storage material needs to absorb heat in the hydrogen releasing process and just absorbs heat from the hot and humid air.

With respect to the related art described above, the inventors consider that the efficiency of radiating heat from the fuel cell by blowing alone is low due to the poor heat conductive ability of air.

Disclosure of Invention

The utility model aims to provide a water-cooling heat dissipation structure, which aims to solve the problem of low heat dissipation efficiency of a fuel cell in the prior art by a blowing mode.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a water-cooling heat radiation structure, includes the fuel cell body, one side of fuel cell body is provided with the hydrogen storage device, the outside of hydrogen storage device is provided with the heat pipe, the both ends of heat pipe are connected with inside cooling tube and the cooling device of fuel cell body respectively.

Further, according to a further technical scheme of the utility model, the hydrogen storage device is a hydrogen storage tank, and a heat conduction pipe is wound on the outer side of the hydrogen storage device.

Further, according to a further technical scheme of the utility model, one end of the hydrogen storage device is fixedly connected with a charging pipe, and one end of the charging pipe is communicated with the inside of the fuel cell body.

Further, according to a further technical scheme of the utility model, one side of the fuel cell body is provided with a cooling pipe inlet end and a cooling pipe outlet end respectively.

Further, according to the technical scheme, one end of the inlet end of the cooling pipe is fixedly connected with a cooling device, one side of the cooling device is communicated with one end of the heat conducting pipe, and the other end of the heat conducting pipe is fixedly connected with the outlet end of the cooling pipe.

Further, according to a further technical scheme of the utility model, the cooling device is internally filled with cooling liquid.

Further, according to the technical scheme, the lower side of the cooling device is fixedly connected with a side plate, the side plate is detachably connected with a positioning plate through a connecting part, a through hole is formed in the positioning plate, and a fan is fixedly connected to one side of the through hole.

Further, according to a further technical scheme of the utility model, the connecting part is a countersunk bolt.

Further, according to a further technical scheme of the utility model, the middle part of the lower side of the cooling device is fixedly connected with a heat conducting plate, and one side of the heat conducting plate is fixedly connected with a radiating fin.

Further, according to a further technical scheme of the utility model, the section of the heat conducting plate is trapezoid.

The beneficial effects of the utility model are as follows:

the cooling pipe inside the fuel cell body and the cooling liquid in the pipe are used for bringing out heat generated inside the fuel cell body, the cooling liquid containing the heat is firstly contacted with the hydrogen storage device, and the hydrogen storage device for releasing hydrogen absorbs a part of the heat, so that the temperature of the cooling liquid is reduced to a certain extent, then the cooling liquid is circulated into the cooling device, the cooling liquid in the cooling pipe is cooled through the cooling device, and the cooled cooling liquid is circulated into the fuel cell body, so that the cooling of the fuel cell body is realized.

Drawings

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

FIG. 2 is a schematic view of a three-dimensional bottom view of the cooling device of the present utility model;

fig. 3 is a schematic view of a partial cross-sectional structure of the present utility model.

In the figure: 1. a fuel cell body; 2. a feeding tube; 3. a heat conduction pipe; 4. a hydrogen storage device; 5. a cooling device; 6. a cooling tube inlet end; 7. a cooling pipe outlet end; 8. a heat sink; 9. a heat conductive plate; 10. a side plate; 11. a through hole; 12. a fan; 13. a positioning plate; 14. and a connecting part.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings.

As shown in fig. 1-3, a water-cooling heat dissipation structure comprises a fuel cell body 1, wherein a hydrogen storage device 4 is arranged on one side of the fuel cell body 1, a heat conduction pipe 3 is arranged on the outer side of the hydrogen storage device 4, two ends of the heat conduction pipe 3 are respectively connected with a cooling pipe and a cooling device 5 inside the fuel cell body 1, the heat dissipation of the fuel cell body 1 is synchronously carried out through the hydrogen storage device 4 and the cooling device 5, the heat dissipation effect of the fuel cell body 1 is ensured, the working pressure of the cooling device 5 is relieved, and the service life of equipment is prolonged.

In the present embodiment, the heat generated in the fuel cell body 1 is carried out by the cooling pipe inside the fuel cell body 1 and the cooling liquid inside the pipe, the cooling liquid containing the heat is first brought into contact with the hydrogen storage device 4, and a part of the heat is absorbed by the hydrogen storage device 4 which releases hydrogen gas, so that the temperature of the cooling liquid is lowered to a certain extent, and then the cooling liquid is circulated into the cooling device 5, the cooling liquid in the cooling pipe is cooled by the cooling device 5, and the cooled cooling liquid is circulated into the inside of the fuel cell body 1, so that the cooling of the fuel cell body 1 is realized.

In another embodiment of the present utility model, the hydrogen storage device 4 is a hydrogen storage tank, the heat conducting tube 3 is wound on the outer side of the hydrogen storage device 4, and the cross section of the heat conducting tube 3 is approximately rectangular, so that the contact area between the heat conducting tube 3 and the hydrogen storage device 4 is large, and the heat conducting efficiency is high.

Specifically, the one end fixedly connected with filling tube 2 of hydrogen storage device 4, the one end and the inside intercommunication of fuel cell body 1 of filling tube 2 are to the hydrogen of filling to fuel cell body 1.

Specifically, a cooling pipe inlet end 6 and a cooling pipe outlet end 7 are respectively provided on one side of the fuel cell body 1, and the cooling pipe is provided inside the fuel cell body 1 and absorbs heat inside.

Specifically, one end fixedly connected with cooling device 5 of cooling tube income end 6, one side of cooling device 5 communicates with the one end of heat pipe 3, and the other end and the cooling tube output 7 fixed connection of heat pipe 3 make the inside coolant liquid of cooling tube form a complete circulation.

Specifically, the cooling device 5 is filled with a coolant to cool down the cooling pipe.

Specifically, the lower side fixedly connected with curb plate 10 of cooling device 5, curb plate 10 can dismantle through connecting portion 14 and be connected with locating plate 13, and through-hole 11 has been seted up to the inside of locating plate 13, and one side fixedly connected with fan 12 of through-hole 11 accelerates the flow of gas through fan 12, improves cooling device 5's radiating efficiency.

Specifically, the connecting portion 14 is a countersunk bolt, which occupies a small space and saves the use space.

Specifically, the middle part fixedly connected with heat conduction board 9 of cooling device 5 downside, one side fixedly connected with fin 8 of heat conduction board 9, fin 8 increase heat radiating area, improve radiating efficiency.

Specifically, the cross section of the heat conducting plate 9 is trapezoid, so that the flow velocity difference is generated between the two ends of the heat conducting plate 9, and the flow of the gas to the outer sides of the radiating fins 8 is accelerated.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

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

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (10)

1. The utility model provides a water-cooling heat radiation structure which characterized in that: the fuel cell comprises a fuel cell body (1), wherein a hydrogen storage device (4) is arranged on one side of the fuel cell body (1), a heat conduction pipe (3) is arranged on the outer side of the hydrogen storage device (4), and two ends of the heat conduction pipe (3) are respectively connected with a cooling pipe and a cooling device (5) inside the fuel cell body (1).

2. The water-cooling heat dissipation structure according to claim 1, wherein the hydrogen storage device (4) is a hydrogen storage tank, and a heat conduction pipe (3) is wound on the outer side of the hydrogen storage device (4).

3. The water-cooling heat dissipation structure according to claim 2, wherein one end of the hydrogen storage device (4) is fixedly connected with a feeding pipe (2), and one end of the feeding pipe (2) is communicated with the inside of the fuel cell body (1).

4. A water cooling structure according to claim 3, wherein one side of the fuel cell body (1) is provided with a cooling pipe inlet end (6) and a cooling pipe outlet end (7), respectively.

5. The water-cooling heat dissipation structure according to claim 4, wherein one end of the cooling pipe inlet end (6) is fixedly connected with a cooling device (5), one side of the cooling device (5) is communicated with one end of the heat conducting pipe (3), and the other end of the heat conducting pipe (3) is fixedly connected with the cooling pipe outlet end (7).

6. A water cooling structure according to claim 5, characterized in that the inside of the cooling device (5) is filled with a cooling liquid.

7. The water-cooling heat dissipation structure according to claim 5, wherein a side plate (10) is fixedly connected to the lower side of the cooling device (5), a positioning plate (13) is detachably connected to the side plate (10) through a connecting portion (14), a through hole (11) is formed in the positioning plate (13), and a fan (12) is fixedly connected to one side of the through hole (11).

8. A water cooling structure according to claim 7, wherein the connecting portion (14) is a countersunk bolt.

9. The water-cooling heat dissipation structure according to claim 7, wherein a heat conducting plate (9) is fixedly connected to the middle part of the lower side of the cooling device (5), and a heat radiating fin (8) is fixedly connected to one side of the heat conducting plate (9).

10. A water cooling structure according to claim 9, wherein the heat conducting plate (9) has a trapezoidal cross section.

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