CN211208584U

CN211208584U - Air-cooled heat sink of fuel cell stack

Info

Publication number: CN211208584U
Application number: CN201922116849.6U
Authority: CN
Inventors: 柴玉涛
Original assignee: Zhejiang Hydrogen Valley Intelligent Equipment Technology Co ltd
Current assignee: Zhejiang Hydrogen Valley Intelligent Equipment Technology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-08-07
Anticipated expiration: 2029-11-29

Abstract

The utility model provides an air-cooled heat abstractor of fuel cell galvanic pile. It has solved current technical problem. This air-cooled heat abstractor of fuel cell pile, including the pile body, the top side of pile body be equipped with the backup pad, the bottom side of pile body be equipped with the bottom suspension fagging, last backup pad and bottom suspension fagging between be equipped with the uncovered and middle part of a plurality of one end and open the fastening bolt who has the runner, fastening bolt's outer wall on open the air outlet that is linked together with a plurality of runners, fastening bolt's uncovered serving still be equipped with the interface part. The utility model has the advantages of small volume, good heat dissipation effect and the like.

Description

Air-cooled heat sink of fuel cell stack

Technical Field

The utility model belongs to the technical field of the battery, especially, relate to an air-cooled heat abstractor of fuel cell pile.

Background

The fuel cell is a chemical device which directly converts chemical energy of fuel into electric energy, also called electrochemical generator, and is a fourth power generation technology following hydroelectric power generation, thermal power generation and atomic power generation. The technical principle is that hydrogen carried by methanol and water is converted into H2 by a steam reforming method, and chemical energy in H2 is converted into electric energy by a chemical mode. The steam reforming method is to mix methanol fuel and steam and then enter a reformer, and carry out reforming reaction to generate hydrogen under the action of a proper temperature and a catalyst, wherein the methanol reforming fuel cell is a high-temperature fuel cell, the temperature is 160-180 ℃ when the methanol reforming fuel cell normally works, the hydrogen and the oxygen carry out electrochemical reaction to generate electricity inside a pile when the fuel cell normally works, and simultaneously a large amount of heat can be released, the heat needs to be timely dissipated out of the pile through a heat dissipation device, the temperature is maintained in the optimal temperature range of the pile reaction, the phenomenon that the heat inside the pile exceeds the optimal temperature to influence the power generation efficiency, and even the heat accumulation inside the pile generates irreversible damage to the pile is avoided. Most of existing heat dissipation devices for the galvanic pile are used for dissipating heat of the galvanic pile by additionally arranging a fan outside the galvanic pile, so that the conventional heat dissipation device is large in size, limited in heat dissipation position and poor in heat dissipation effect.

In response to this problem, people have also conducted research and study in long-term production and life practice, for example, chinese utility model patent discloses a high-efficiency durable medium-high voltage water-cooled electric pile [ application number: 201822237899.5], the utility model comprises a shell, a galvanic pile body is fixedly arranged in the shell, a cathode inlet is arranged above the surface of the shell, a cooling inlet is arranged on one side of the surface of the shell close to the cathode inlet, an anode inlet is arranged on one side of the surface of the shell close to the cooling inlet, a heat dissipation window is fixedly arranged in the middle of the surface of the shell, a cathode outlet is arranged below the surface of the shell, and a cooling outlet is arranged on one side of the surface of the shell close to the cathode outlet; the upper surface at the pile body sets up the waterproof board, and the both sides of waterproof board set up the water guide board, and the water guide board can carry out the slope of different degrees through the hinge.

The solution described above improves to some extent some of the problems of the prior art, but it also has at least the following drawbacks: large volume and poor heat dissipation effect.

Disclosure of Invention

The utility model aims at the above problem, provide a small, the air-cooled heat abstractor of the good fuel cell pile of radiating effect.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this air-cooled heat abstractor of fuel cell pile, including the pile body, the top side of pile body be equipped with the backup pad, the bottom side of pile body be equipped with the bottom suspension fagging, last backup pad and bottom suspension fagging between be equipped with the uncovered and middle part of a plurality of one end and open the fastening bolt who has the runner, fastening bolt's outer wall on open the air outlet that is linked together with a plurality of runners, fastening bolt's uncovered serving still be equipped with the interface part. External blast apparatus on the interface part, through blast apparatus to the runner in the fastening bolt blow, thereby wind in the runner blows out fastening bolt through the air outlet and dispels the heat with the periphery of pile body, makes the pile body work under suitable temperature environment, compares in traditional outside with the fan to cool down the group battery, this structure can reduce the whole volume of pile to reduce occupation space.

In the air-cooled heat dissipation device of the fuel cell stack, the upper support plate and the lower support plate are provided with a plurality of insertion holes which are arranged in a one-to-one correspondence manner, the fastening bolt penetrates through the insertion holes in the upper support plate and the lower support plate, and a threaded opening is formed in the circumferential outer side of one end, provided with the connecting part, of the fastening bolt. Fastening bolts are inserted into the inserting holes between the upper supporting plate and the lower supporting plate to fix the upper supporting plate and the lower supporting plate, the fastening pieces are screwed on the threaded openings after connection is completed, and then the air blowing pipes are connected to the connecting portions to achieve electric pile air blowing.

In the air-cooled heat dissipation device of the fuel cell stack, the screw thread port is arranged below the interface part, and the interface part and the screw thread port both extend out of the insertion hole formed in the upper support plate or the lower support plate. The interface part sets up and can reduce the interference after the installation above the screw thread mouth to interface part and screw thread mouth all stretch out in the spliced eye can improve the convenience of installation.

In the air-cooled heat dissipation device of the fuel cell stack, projections of the stack body on the upper support plate and/or the lower support plate are located in an accommodating space formed by enclosing after the fastening bolts are inserted into the insertion holes. Therefore, the air flow blown out from the air outlet on the fastening bolt can all blow the stack body.

In the air-cooled heat dissipation device of the fuel cell stack, the fastening bolt is rotatably arranged in the insertion hole in a penetrating way, and the air outlet faces the stack body. The orientation of the air outlet can be changed by rotating the fastening bolt, so that air flows in different directions can be obtained.

In the air-cooled heat dissipation device of the fuel cell stack, the air outlets are arranged at intervals in the axial direction of the fastening bolt. The air outlet can be designed with holes according to the height of the stack body so as to meet the heat dissipation requirements of the stack bodies with different sizes, and the application range is wide.

In the air-cooled heat dissipation device of the fuel cell stack, the threaded opening is screwed with an adjusting nut.

Compared with the prior art, the air-cooled heat dissipation device of the fuel cell stack has the advantages that: simple structure, reasonable in design, fastening bolt designs into hollow form, can realize blowing neat through the external blowing pipe of interface part on the fastening bolt to fastening bolt sets up in the circumference outside that the electricity pushed away, can let the all-round heat dissipation of pile, and the radiating effect is good.

Drawings

FIG. 1 is a schematic structural view provided by the present invention;

fig. 2 is a structural sectional view of a fastening bolt provided by the present invention;

in the figure, a pile body 1, an upper support plate 2, a lower support plate 3, a flow channel 4, a fastening bolt 5, an air outlet 6, a connector part 7, a plug hole 8, a threaded hole 9, an accommodating space 10 and an adjusting nut 11.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, the air-cooled heat dissipation device of the fuel cell stack comprises a stack body 1, wherein an upper supporting plate 2 is arranged on the top side of the stack body 1, a lower supporting plate 3 is arranged on the bottom side of the stack body 1, a plurality of fastening bolts 5 with one ends open and the middle parts provided with flow channels 4 are arranged between the upper supporting plate 2 and the lower supporting plate 3, air outlets 6 communicated with the flow channels 4 are formed in the outer walls of the fastening bolts 5, and interface parts 7 are further arranged on the open ends of the fastening bolts 5.

External blast apparatus on interface part 7, through blast apparatus to the runner 4 in the fastening bolt 5 blow, wind in the runner 4 blows out fastening bolt 5 through air outlet 6 and dispels the heat with the periphery of pile body 1, makes pile body 1 work under suitable temperature environment, compares in traditional outside and cools down the group battery with the fan, and this structure can reduce the whole volume of pile to reduce occupation space.

Preferably, a plurality of inserting holes 8 which are arranged in a one-to-one correspondence manner are formed in the upper supporting plate 2 and the lower supporting plate 3, the fastening bolts 5 penetrate through the inserting holes 8 in the upper supporting plate 2 and the lower supporting plate 3, and threaded openings 9 are formed in the circumferential outer side of one end, provided with the connecting part 7, of each fastening bolt 5. The upper support plate 2 and the lower support plate 3 are fixed by inserting the fastening bolt 5 into the inserting hole between the two plates, the fastening piece is screwed on the threaded port 9 after the connection is finished, and then the interface part 7 is connected with the blowing pipe to realize the blowing of the galvanic pile.

Further, screw thread mouth 9 sets up in the below of interface portion 7, and interface portion 7 and screw thread mouth 9 all stretch out in the spliced eye 8 of seting up on last backup pad 2 or bottom suspension fagging 3, and interface portion 7 sets up and can reduce the interference after the installation in screw thread mouth 9 top, and interface portion 7 and screw thread mouth 9 all stretch out in spliced eye 8 can improve the convenience of installation.

The projection that pile body 1 was located backup pad 2 and/or bottom suspension fagging 3 all is located the accommodation space 10 that each fastening bolt 5 encloses after inserting spliced eye 8 and closes the formation, therefore the air current that the air outlet 6 on the fastening bolt blew off can both blow the pile body 1.

The fastening bolt 5 is rotatable to be worn to establish in spliced eye 8, and air outlet 6 all faces pile body 1, can change the orientation of air outlet 6 through rotating fastening bolt 5 to obtain the air current of equidirectional not.

Furthermore, the air outlets 6 are arranged at intervals in the axial direction of the fastening bolts 5, and the air outlets 6 can be provided with holes according to the height of the stack body 1, so that heat dissipation of the stack bodies 1 with different sizes is met, and the application range is wide.

Furthermore, an adjusting nut 11 is screwed on the threaded opening 9.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the stack body 1, the upper support plate 2, the lower support plate 3, the flow channel 4, the fastening bolt 5, the air outlet 6, the interface portion 7, the insertion hole 8, the threaded port 9, the accommodating space 10, the adjusting nut 11, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides an air-cooled heat abstractor of fuel cell pile, includes pile body (1), its characterized in that, the top side of pile body (1) be equipped with backup pad (2), the bottom side of pile body (1) be equipped with bottom suspension fagging (3), last backup pad (2) and bottom suspension fagging (3) between be equipped with the uncovered and middle part of a plurality of one end and open fastening bolt (5) that have runner (4), the outer wall of fastening bolt (5) on open air outlet (6) that are linked together with a plurality of runner (4), the uncovered of fastening bolt (5) serve and still be equipped with interface part (7).

2. The air-cooled heat dissipation device of the fuel cell stack according to claim 1, wherein the upper support plate (2) and the lower support plate (3) are provided with a plurality of insertion holes (8) which are arranged in one-to-one correspondence, the fastening bolt (5) is inserted into the insertion holes (8) of the upper support plate (2) and the lower support plate (3), and a threaded opening (9) is arranged on the circumferential outer side of one end of the fastening bolt (5) provided with the connecting part (7).

3. The air-cooled heat dissipation device of a fuel cell stack according to claim 2, wherein the threaded port (9) is disposed below the interface portion (7), and both the interface portion (7) and the threaded port (9) extend out of the insertion hole (8) formed in the upper support plate (2) or the lower support plate (3).

4. The air-cooled heat dissipation device of the fuel cell stack according to claim 2, wherein the projections of the stack body (1) on the upper support plate (2) and/or the lower support plate (3) are located in the accommodation space (10) enclosed by the fastening bolts (5) inserted into the insertion holes (8).

5. The air-cooled heat dissipation device of the fuel cell stack according to claim 2, wherein the fastening bolt (5) is rotatably inserted into the insertion hole (8), and the air outlets (6) face the stack body (1).

6. The air-cooled heat dissipating device for a fuel cell stack according to claim 5, wherein the plurality of air outlets (6) are arranged at intervals in an axial direction of the fastening bolt (5).

7. The air-cooled heat dissipating device for a fuel cell stack according to claim 5, wherein an adjusting nut (11) is screwed to the screw port (9).