Heating and heat preservation device and method for cooling water path of hydrogen fuel cell

Abstract

The invention relates to the technical field of hydrogen fuel cells, and discloses a heating and heat preservation device and method for a cooling water path of a hydrogen fuel cell, the heating and heat preservation device comprises a cooling water path main body, and the outer side of the cooling water path main body is fixedly connected with a constant-temperature layer. The constant-temperature layer is arranged on the outer side of the cooling waterway main body and comprises the constant-temperature shell, the constant-temperature shell is used in cooperation with the thermostat I and the thermostat II to keep the temperature balance of the cooling waterway main body, and the heating structure is arranged on one side of the cooling waterway main body and comprises the pressure sealing inlet hole. The pressure sealing inlet hole is connected with the heating structure and the cooling water path body, then the cooling water path body conveys a water source to the inner side of the heating structure through the water supply inlet, and the steam cooling section heat shielding plate transmits heat to the drainage cooling section partition plate through connection of the partition plate and the pipe spacer. The drainage cooling section partition plate transmits heat to the cooling water channel body through the drainage outlet, and the heating effect is achieved.

Description

Technical Field

[0001] This invention relates to the field of hydrogen fuel cell technology, specifically to a heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell. Background Technology

[0002] A hydrogen fuel cell is a power generation device that directly converts the chemical energy of hydrogen and oxygen into electrical energy. Its basic principle is the reverse reaction of water electrolysis. Hydrogen and oxygen are supplied to the anode and cathode, respectively. Hydrogen diffuses outward through the anode and reacts with the electrolyte, releasing electrons that travel through an external load to the cathode. Hydrogen fuel cells are environmentally friendly. They operate through an electrochemical reaction, rather than combustion (gasoline, diesel) or energy storage (batteries) – the most typical traditional backup power solutions. Combustion releases pollutants such as COx, NOx, SOx gases, and dust. As mentioned above, fuel cells only produce water and heat. If hydrogen is generated from renewable energy sources (photovoltaic panels, wind power, etc.), the entire cycle is completely free of harmful emissions. Existing hydrogen fuel cell cooling water circuits cannot simultaneously meet both cooling and heating requirements, presenting certain limitations. To address these limitations, a heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell are proposed. Summary of the Invention

[0003] The purpose of this invention is to provide a heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell, so as to solve the problems mentioned in the background art.

[0004] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0005] This invention relates to a heating and insulation device and method for a cooling water circuit of a hydrogen fuel cell, comprising a cooling water circuit body, a constant temperature layer fixedly connected to the outer side of the cooling water circuit body, a heating structure fixedly connected to one side of the cooling water circuit body, and a cooling structure fixedly connected to the side of the cooling water circuit body away from the heating structure. The constant temperature layer includes a constant temperature shell and a thermostat. The constant temperature shell is fixedly connected to the outer side of the cooling water circuit body, and a thermostat is fixedly connected to the inner side of the constant temperature shell and a second thermostat.

[0006] Furthermore, the heating structure includes a pressure-sealed inlet and a tube sheet. A pressure-sealed inlet is fixedly connected to one side of the cooling water circuit body, and a tube sheet is fixedly connected to the side of the pressure-sealed inlet away from the cooling water circuit body.

[0007] Furthermore, water inlets are fixedly connected to both sides of the tube sheet.

[0008] Furthermore, a condensate outlet is fixedly connected to the side of the tube sheet away from the pressure sealing inlet, and a condensate cooling section baffle is fixedly connected to the side of the tube sheet near the condensate outlet.

[0009] Furthermore, a steam cooling section heat shield is fixedly connected to the side of the tube sheet near the hydrophobic cooling section partition, and a partition plate is fixedly connected to the side of the steam cooling section heat shield away from the tube sheet.

[0010] Furthermore, a spacer tube is fixedly connected to the outer side of the partition plate, and a U-shaped tube is fixedly connected to the inner side of the spacer tube.

[0011] Furthermore, the cooling structure includes a cooling transfer plate and a connecting pipe. The cooling water circuit body is fixedly connected to the side away from the heating structure, and the connecting pipe is fixedly connected to the inner side of the cooling transfer plate.

[0012] Furthermore, a refrigeration pipe is fixedly connected to one side of the connecting pipe, and a refrigeration inlet pipe is provided on the inner side of the refrigeration pipe.

[0013] Furthermore, an air inlet pipe is fixedly connected to the inner side of the refrigeration pipe, a heat insulation plate is fixedly connected to the inner side of the refrigeration pipe, a transfer plate is fixedly connected to the outer side of the heat insulation plate, an air outlet pipe is fixedly connected to one side of the refrigeration pipe, and a sealing plate is fixedly connected to the side of the refrigeration pipe away from the cooling transfer plate.

[0014] The present invention has the following beneficial effects:

[0015] (1) The present invention has a constant temperature layer on the outside of the main body of the cooling water circuit. The constant temperature layer includes a constant temperature shell. The constant temperature shell is used in conjunction with a thermostat and a thermostat to maintain the temperature balance of the main body of the cooling water circuit. A heating structure is provided on one side of the main body of the cooling water circuit. The heating structure includes a pressure sealing inlet. The pressure sealing inlet connects the heating structure and the main body of the cooling water circuit. Then, the main body of the cooling water circuit delivers water to the inside of the heating structure through the water inlet. The heat shield of the steam cooling section is connected to the partition plate and the spacer pipe to transfer heat to the partition plate of the condensate cooling section. The partition plate of the condensate cooling section transfers heat to the main body of the cooling water circuit through the condensate outlet, thereby achieving the heating effect.

[0016] (2) The present invention provides a cooling structure on the side of the cooling water circuit body away from the heating structure. The cooling structure includes a cooling transfer plate, which connects the cooling structure and the cooling water circuit body. The cooling transfer plate is connected to the refrigeration pipe through a connecting pipe. Then, there is a refrigeration inlet pipe inside the refrigeration pipe for transmitting oxygen. An air inlet pipe and a heat insulation plate are provided inside the refrigeration pipe. Through the heat insulation plate, the air inlet pipe can transmit the cooling effect to the transfer plate. The transfer plate achieves the cooling effect on the cooling water circuit body through the air outlet pipe.

[0017] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the connection of the constant temperature shell in the constant temperature layer structure of the present invention;

[0021] Figure 3 This is a schematic diagram showing the cross-sectional connection between the heating structure and the cooling structure of the present invention;

[0022] Figure 4 for Figure 3 A schematic diagram showing the enlarged cross-sectional connection of the heating structure at point A.

[0023] Figure 5 This is a schematic diagram of the water inlet connection of the heating structure of the present invention;

[0024] Figure 6 for Figure 3 Enlarged cross-sectional connection diagram of the cooling structure at point B;

[0025] Figure 7 This is a schematic diagram showing the connection between the heating structure tube sheet and the cooling structure refrigeration tube of the present invention;

[0026] Figure 8 This is a schematic diagram of the refrigeration inlet pipe connection of the cooling structure of the present invention;

[0027] The attached diagram lists the components represented by each number as follows:

[0028] In the diagram: 1. Main cooling water circuit; 2. Constant temperature layer; 3. Heating structure; 4. Cooling structure; 201. Constant temperature shell; 202. Thermostat one; 203. Thermostat two; 301. Pressure sealing inlet; 302. Tube sheet; 303. Water inlet; 304. Drain outlet; 305. Drain cooling section partition; 306. Steam cooling section heat shield; 307. Partition plate; 308. Spacing tube; 309. U-shaped tube; 401. Cooling transfer plate; 402. Connecting pipe; 403. Refrigeration pipe; 404. Refrigeration inlet pipe; 405. Air inlet pipe; 406. Heat insulation plate; 407. Transfer plate; 408. Air outlet pipe; 409. Sealing plate; Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Please see Figures 1-8 As shown, the present invention is a heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell, including a cooling water circuit body 1, a constant temperature layer 2 fixedly connected to the outer side of the cooling water circuit body 1, a heating structure 3 fixedly connected to one side of the cooling water circuit body 1, and a cooling structure 4 fixedly connected to the side of the cooling water circuit body 1 away from the heating structure 3. The constant temperature layer 2 includes a constant temperature shell 201 and a thermostat 202. The constant temperature shell 201 is fixedly connected to the outer side of the cooling water circuit body 1, the thermostat 202 is fixedly connected to the inner side of the constant temperature shell 201, and the thermostat 203 is fixedly connected to the inner side of the constant temperature shell 201.

[0031] The heating structure 3 includes a pressure sealing inlet 301 and a tube sheet 302. The pressure sealing inlet 301 is fixedly connected to one side of the cooling water circuit body 1, and the tube sheet 302 is fixedly connected to the side of the pressure sealing inlet 301 away from the cooling water circuit body 1.

[0032] Water inlets 303 are fixedly connected to both sides of the tube sheet 302.

[0033] A condensate outlet 304 is fixedly connected to the side of tube sheet 302 away from the pressure sealing inlet 301, and a condensate cooling section baffle 305 is fixedly connected to the side of tube sheet 302 near the condensate outlet 304. A steam cooling section heat shield 306 is fixedly connected to the side of tube sheet 302 near the condensate cooling section baffle 305, and a baffle plate 307 is fixedly connected to the side of steam cooling section heat shield 306 away from tube sheet 302.

[0034] A spacer tube 308 is fixedly connected to the outer side of the partition plate 307, and a U-shaped tube 309 is fixedly connected to the inner side of the spacer tube 308.

[0035] The cooling structure 4 includes a cooling transfer plate 401 and a connecting pipe 402. The cooling water circuit body 1 is fixedly connected to the side away from the heating structure 3 by the cooling transfer plate 401, and the connecting pipe 402 is fixedly connected to the inner side of the cooling transfer plate 401.

[0036] A refrigeration pipe 403 is fixedly connected to one side of the connecting pipe 402, and a refrigeration inlet pipe 405 is provided on the inner side of the refrigeration pipe 403.

[0037] An air inlet pipe 405 is fixedly connected to the inner side of the refrigeration pipe 403, a heat insulation plate 406 is fixedly connected to the inner side of the refrigeration pipe 403, a transfer plate 407 is fixedly connected to the outer side of the heat insulation plate 406, an air outlet pipe 408 is fixedly connected to one side of the refrigeration pipe 403, and a sealing plate 409 is fixedly connected to the side of the refrigeration pipe 403 away from the cooling transfer plate 401.

[0038] In use, firstly, a constant temperature layer 2 is located on the outside of the main cooling water circuit 1. The constant temperature layer 2 includes a constant temperature shell 201, which works in conjunction with thermostat 1 202 and thermostat 203 to maintain the temperature balance of the main cooling water circuit 1. A heating structure 3 is installed on one side of the main cooling water circuit 1. The heating structure 3 includes a pressure-sealed inlet 301, which connects the heating structure 3 and the main cooling water circuit 1. Then, the main cooling water circuit 1 supplies water to the inside of the heating structure 3 through the water inlet 303. The steam cooling section heat shield 306, connected by a partition plate and a spacer pipe 308, transfers heat to the condensate cooling section partition 305. The condensate cooling section partition 305 then releases heat through a condensate outlet. The port 304 transfers heat to the cooling water circuit body 1, achieving a heating effect. Subsequently, a cooling structure 4 is provided on the side of the cooling water circuit body 1 away from the heating structure 3. The cooling structure 4 includes a cooling transfer plate 401, which connects the cooling structure 4 and the cooling water circuit body 1. The cooling transfer plate 401 is connected to the refrigeration pipe 403 through a connecting pipe 402. Then, there is a refrigeration inlet pipe 404 inside the refrigeration pipe 403 for transmitting oxygen. An air inlet pipe 405 and a heat insulation plate 406 are provided inside the refrigeration pipe 403. Through the heat insulation plate 406, the air inlet pipe 405 can transfer the cooling effect to the transfer plate 407. The transfer plate 407 achieves the cooling effect of the cooling water circuit body 1 through the air outlet pipe 408.

[0039] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell, comprising a cooling water circuit body (1), characterized in that: A constant temperature layer (2) is fixedly connected to the outside of the cooling water circuit body (1). A heating structure (3) is fixedly connected to one side of the cooling water circuit body (1). A cooling structure (4) is fixedly connected to the side of the cooling water circuit body (1) away from the heating structure (3). The constant temperature layer (2) includes a constant temperature shell (201) and a thermostat one (202). A constant temperature shell (201) is fixedly connected to the outside of the cooling water circuit body (1). A thermostat one (202) is fixedly connected to the inside of the constant temperature shell (201). A thermostat two (203) is fixedly connected to the inside of the constant temperature shell (201).

2. The heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell according to claim 1, characterized in that: The heating structure (3) includes a pressure sealing inlet (301) and a tube sheet (302). The pressure sealing inlet (301) is fixedly connected to one side of the cooling water circuit body (1), and the tube sheet (302) is fixedly connected to the side of the pressure sealing inlet (301) away from the cooling water circuit body (1).

3. The heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell according to claim 2, characterized in that: Water inlets (303) are fixedly connected to both sides of the tube sheet (302).

4. The heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell according to claim 3, characterized in that: A condensate outlet (304) is fixedly connected to the side of the tube sheet (302) away from the pressure sealing inlet (301), and a condensate cooling section baffle (305) is fixedly connected to the side of the tube sheet (302) near the condensate outlet (304).

5. The heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell according to claim 4, characterized in that: A steam cooling section heat shield plate (306) is fixedly connected to the side of the tube sheet (302) near the hydrophobic cooling section partition plate (305), and a partition plate (307) is fixedly connected to the side of the steam cooling section heat shield plate (306) away from the tube sheet (302).

6. The heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell according to claim 5, characterized in that: A spacer tube (308) is fixedly connected to the outer side of the partition plate (307), and a U-shaped tube (309) is fixedly connected to the inner side of the spacer tube (308).

7. The heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell according to claim 2, characterized in that: The cooling structure (4) includes a cooling transfer plate (401) and a connecting pipe (402). The cooling water circuit body (1) is fixedly connected to the cooling transfer plate (401) on the side away from the heating structure (3), and the connecting pipe (402) is fixedly connected to the inner side of the cooling transfer plate (401).

8. The heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell according to claim 7, characterized in that: A refrigeration pipe (403) is fixedly connected to one side of the connecting pipe (402), and a refrigeration inlet pipe (405) is provided on the inner side of the refrigeration pipe (403).

9. The heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell according to claim 8, characterized in that: An air inlet pipe (405) is fixedly connected to the inner side of the refrigeration pipe (403), a heat insulation plate (406) is fixedly connected to the inner side of the refrigeration pipe (403), a transfer plate (407) is fixedly connected to the outer side of the heat insulation plate (406), an air outlet pipe (408) is fixedly connected to one side of the refrigeration pipe (403), and a sealing plate (409) is fixedly connected to the side of the refrigeration pipe (403) away from the cooling transfer plate (401).

10. A heating and insulation device and method for the cooling water circuit of a hydrogen fuel cell as described in any one of claims 1-9, comprising the following steps, characterized in that: S1: First, there is a constant temperature layer (2) on the outside of the main body of the cooling water circuit (1). The constant temperature layer (2) includes a constant temperature shell (201). The constant temperature shell (201) is used in conjunction with thermostat one (202) and thermostat two (203) to maintain the temperature balance of the main body of the cooling water circuit (1). A heating structure (3) is set on one side of the main body of the cooling water circuit (1). The heating structure (3) includes a pressure sealing inlet (301). The pressure sealing inlet (301) connects the heating structure (3) and the cooling water circuit. Then, the main body of the cooling water circuit (1) delivers water to the inside of the heating structure (3) through the water inlet (303). The heat shield (306) of the steam cooling section is connected to the partition plate and the spacer pipe (308) to transfer heat to the condensate cooling section partition (305). The condensate cooling section partition (305) transfers heat to the main body of the cooling water circuit (1) through the condensate outlet (304) to achieve the heating effect. S2: Subsequently, a cooling structure (4) is provided on the side of the cooling water circuit body (1) away from the heating structure (3). The cooling structure (4) includes a cooling transfer plate (401). The cooling transfer plate (401) connects the cooling structure (4) and the cooling water circuit body (1). The cooling transfer plate (401) is connected to the refrigeration pipe (403) through the connecting pipe (402). Then, there is a refrigeration inlet pipe (404) inside the refrigeration pipe (403) for transmitting oxygen. An air inlet pipe (405) and a heat insulation plate (406) are provided inside the refrigeration pipe (403). Through the heat insulation plate (406), the air inlet pipe (405) can transmit the cooling effect to the transfer plate (407). The transfer plate (407) achieves the cooling effect on the cooling water circuit body (1) through the air outlet pipe (408).

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