CN219123272U

CN219123272U - Hydrogen fuel cell stack heat abstractor

Info

Publication number: CN219123272U
Application number: CN202121800657.8U
Authority: CN
Inventors: 杨景官; 卢志利; 赵文竹; 范身申
Original assignee: Dalian Jingyuan Hydrogen Technology Co ltd
Current assignee: Dalian Jingyuan Hydrogen Technology Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2023-06-02
Anticipated expiration: 2031-08-04

Abstract

The utility model provides a heat dissipation device of a hydrogen fuel cell stack, comprising: the water tank is provided with a water tank water supplementing port and a temperature sensor at the top, wherein the temperature sensor is arranged at one side of the water tank water supplementing port, and a refrigerating rod is arranged in the water tank; the heat dissipation system comprises a radiator, wherein a first water inlet, a second water inlet, a first water outlet and a second water outlet are formed in the radiator. According to the utility model, two refrigeration rods are added in the water tank, so that water in the water tank can be refrigerated after the water tank is electrified, and the influence of the temperature rise of the water caused by the overlong system operation time on the heat dissipation effect is avoided; a temperature sensor is added at the upper end of the water tank and is linked to the controller, if the water temperature is too low, the refrigerating rod automatically stops working, and if the water temperature is too high, the refrigerating rod automatically starts working; all the original pipelines are rubber tubes, and all the pipelines are changed into stainless steel tubes, so that the heat dissipation effect is good and attractive.

Description

Hydrogen fuel cell stack heat abstractor

Technical Field

The utility model relates to the field of heat dissipation of hydrogen fuel cells, in particular to a heat dissipation device of a hydrogen fuel cell stack.

Background

The existing heat dissipation device for the hydrogen fuel cell generally adopts a water cooling circulation system, and the principle is as follows: the water pump pumps the water in the water tank into the refrigerating pipe, the water enters the system through the refrigerating pipe, the system is cooled by the water, the discharged water emits heat through the fan, and then the water flows back to the water tank. However, there are some disadvantages in this way, if the system is operated for too long, the water becomes hotter and the heat dissipation effect is reduced. Meanwhile, too long system running time can cause too high water temperature and influence the heat dissipation effect. The fan brings the temperature of the water into the air, which can lead to an increase in the field temperature, which can cause discomfort to the staff and even affect the heat dissipation of other equipment. The water pipes are rubber pipes, so that the heat dissipation effect is poor, and the attractiveness is affected.

The present utility model has been made in view of the above problems, and it is an object of the present utility model to provide a heat sink for a hydrogen fuel cell stack.

Disclosure of Invention

The utility model aims to provide a heat dissipation device of a hydrogen fuel cell stack, so as to solve the technical problems.

The utility model aims to solve the technical problems, and is realized by adopting the following technical scheme: a hydrogen fuel cell stack heat sink comprising: the water tank is provided with a water tank water supplementing port and a temperature sensor at the top, wherein the temperature sensor is arranged at one side of the water tank water supplementing port, and a refrigerating rod is arranged in the water tank; the heat dissipation system comprises a radiator, wherein a first water inlet, a second water inlet, a first water outlet and a second water outlet are formed in the radiator; the water inlet of the water tank arranged at the top of one side of the water tank is communicated with the first water outlet through a water pipe, and the water outlet of the water tank arranged at the bottom of one side of the water tank is communicated with the first water inlet through a water pipe; a fuel cell system comprising a refrigeration pipe and a hydrogen fuel cell stack, wherein the hydrogen fuel cell stack is mounted on the refrigeration pipe; the second water inlet is communicated with a water inlet of the refrigeration pipe through a water pipe, and a water outlet of the refrigeration pipe is communicated with the second water outlet through a water pipe.

Preferably, the refrigerating pipe is arranged in a roundabout structure.

Preferably, the refrigerator further comprises a controller, wherein the controller is electrically connected with the refrigeration rod and the temperature sensor.

Preferably, the water pipe is made of stainless steel pipe.

Preferably, the heat dissipation system further comprises a fan, and the fan is arranged above the hydrogen fuel cell stack.

Compared with the related art, the heat dissipation device of the hydrogen fuel cell stack has the following beneficial effects:

the utility model provides a heat abstractor of a hydrogen fuel cell stack, firstly, two refrigeration rods are added in a water tank, water in the water tank can be refrigerated after the water tank is electrified, and the heat dissipation effect is prevented from being influenced by water temperature rise caused by overlong system operation time; a temperature sensor is added at the upper end of the water tank and is linked to the controller, if the water temperature is too low, the refrigerating rod automatically stops working, and if the water temperature is too high, the refrigerating rod automatically starts working; all pipelines are rubber tubes originally, all the pipelines are changed into stainless steel tubes, the heat dissipation effect is good, the heat dissipation device is attractive, the device is capable of automatically adjusting the water temperature, the water temperature is lower than the set temperature and is stopped to refrigerate, the water temperature is higher than the set temperature and is started to refrigerate, the water temperature is always kept at a constant temperature, the temperature dispersed into the air through a fan is proper, and other equipment or staff cannot be affected.

Drawings

FIG. 1 is a schematic view of a heat sink for a hydrogen fuel cell stack according to the present utility model;

FIG. 2 is a schematic diagram of a heat dissipation system of the present utility model in connection with a fuel cell system;

FIG. 3 is a block diagram of a hydrogen fuel cell stack heat sink according to the present utility model;

FIG. 4 is a schematic view of the structure of the water tank of the present utility model;

reference numerals: 1. a water tank; 101. a refrigeration rod; 102. a temperature sensor; 103. a water supplementing port of the water tank; 104. a water inlet of the water tank; 105. a water outlet of the water tank; 2. a heat dissipation system; 201. a first water inlet; 202. a heat sink; 203. a first water outlet; 204. a second water inlet; 205. a second water outlet; 3. a fuel cell system; 301. a refrigeration tube; 302. a hydrogen fuel cell stack.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

In the implementation process, as shown in fig. 1, 2, 3 and 4, a heat dissipating device for a hydrogen fuel cell stack includes: the water tank 1, the top of the water tank 1 is provided with a water tank water supplementing port 103 and a temperature sensor 102, wherein the temperature sensor 102 is arranged at one side of the water tank water supplementing port 103, and a refrigerating rod 101 is arranged in the water tank 1; the heat dissipation system 2, wherein the heat dissipation system 2 comprises a heat radiator 202, and a first water inlet 201, a second water inlet 204, a first water outlet 203 and a second water outlet 205 are formed in the heat radiator 202; the water tank water inlet 104 formed in the top of one side of the water tank 1 is communicated with the first water outlet 203 through a water pipe, and the water tank water outlet 105 formed in the bottom of one side of the water tank 1 is communicated with the first water inlet 201 through a water pipe; a fuel cell system 3, the fuel cell system 3 comprising a refrigeration pipe 301 and a hydrogen fuel cell stack 302, wherein the hydrogen fuel cell stack 302 is mounted on the refrigeration pipe 301; the second water inlet 204 is communicated with a water inlet of the refrigeration pipe 301 through a water pipe, and a water outlet of the refrigeration pipe 301 is communicated with the second water outlet 205 through a water pipe.

When in use.

In an implementation, as shown in fig. 2, the refrigerant tube 301 is arranged in a serpentine configuration.

In the implementation process, as shown in fig. 3, a heat dissipating device for a hydrogen fuel cell stack further includes a controller, where the controller is electrically connected to the cooling rod 101 and the temperature sensor 102.

In the specific implementation process, as shown in fig. 1 and 2, the water pipe adopts a stainless steel pipe.

In the embodiment, as shown in fig. 1, the heat dissipation system 2 further includes a fan disposed above the hydrogen fuel cell stack 302.

The utility model relates to a working principle of a heat dissipation device of a hydrogen fuel cell stack, which comprises the following steps: when the water tank is used, water in the water tank 1 enters the refrigerator 202 through the water tank water outlet 105 and the first water inlet 201, after being refrigerated by the refrigerator 202, the water flows into the refrigerating pipe 301 through the second water outlet 205, the refrigerating pipe 301 can play a role in heat dissipation and temperature reduction on the hydrogen fuel cell stack 302, then the water in the refrigerating pipe 301 enters the radiator 202 through the second water inlet 204, and finally enters the water tank 1 through the first water outlet 203 and the water tank water inlet 104, so that water circulation is realized; in the use process, the refrigerating rod 101 in the water tank 1 can play a refrigerating effect on water in the water tank 1, cold water generated by the refrigerating rod 101 can reach a galvanic pile system to achieve the purpose of cooling, and after the water discharged from the galvanic pile system is cooled by the fan, the water returns to the water tank 1 through the water inlet 104 of the water tank, is mixed with the cold water in the water tank to quickly cool, and the refrigerating rod 101 continuously refrigerates, circulates in sequence, and completes heat dissipation.

In the using process, as two refrigerating rods 101 are added in the water tank 1, water in the water tank 1 can be refrigerated after being electrified, the influence of heat dissipation effect caused by the increase of the water temperature due to overlong system operation time is avoided, a temperature sensor 102 is added at the upper end of the water 1 and connected to a controller, if the water temperature is too low, the refrigerating rods automatically stop working, and if the water temperature is too high, the refrigerating rods automatically start working.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A hydrogen fuel cell stack heat sink, comprising:

the water tank (1), the top of the water tank (1) is provided with a water tank water supplementing port (103) and a temperature sensor (102), wherein the temperature sensor (102) is arranged on one side of the water tank water supplementing port (103), and a refrigerating rod (101) is arranged in the water tank (1);

the heat dissipation system (2), the heat dissipation system (2) comprises a heat radiator (202), and a first water inlet (201), a second water inlet (204), a first water outlet (203) and a second water outlet (205) are formed in the heat radiator (202); a water tank water inlet (104) formed in the top of one side of the water tank (1) is communicated with a first water outlet (203) through a water pipe, and a water tank water outlet (105) formed in the bottom of one side of the water tank (1) is communicated with a first water inlet (201) through a water pipe;

a fuel cell system (3), the fuel cell system (3) comprising a refrigeration pipe (301) and a hydrogen fuel cell stack (302), wherein the hydrogen fuel cell stack (302) is mounted on the refrigeration pipe (301); the second water inlet (204) is communicated with a water inlet of the refrigeration pipe (301) through a water pipe, and a water outlet of the refrigeration pipe (301) is communicated with the second water outlet (205) through a water pipe.

2. A hydrogen fuel cell stack heat sink according to claim 1, wherein: the refrigeration tube (301) is arranged in a circuitous structure.

3. A hydrogen fuel cell stack heat sink according to claim 1, wherein: the refrigerator further comprises a controller, and the controller is electrically connected with the refrigeration rod (101) and the temperature sensor (102).

4. A hydrogen fuel cell stack heat sink according to claim 1, wherein: the water pipe adopts stainless steel pipe.

5. A hydrogen fuel cell stack heat sink according to claim 1, wherein: the heat dissipation system (2) further comprises a fan arranged above the hydrogen fuel cell stack (302).