CN216773290U

CN216773290U - Inter-cooling humidification assembly of fuel cell, fuel cell air inlet system and vehicle

Info

Publication number: CN216773290U
Application number: CN202220218838.8U
Authority: CN
Inventors: 石增峰; 叶永亮; 丁楠
Original assignee: Beijing Hydrogen New Energy Technology Co ltd; Beijing Yuanda Xinda Technology Co Ltd
Current assignee: Beijing Hydrogen New Energy Technology Co ltd; Beijing Yuanda Xinda Technology Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-06-17
Anticipated expiration: 2032-01-25

Abstract

The utility model relates to a fuel cell's intercooling humidification assembly, fuel cell air intake system and vehicle, wherein, fuel cell's intercooling humidification assembly includes intercooler and humidifier, the humidifier includes humidifier shell and the humidification subassembly of arranging in the humidifier shell, the intercooler imbeds in the humidifier shell, the end of giving vent to anger of intercooler communicates with the inlet end of humidification subassembly, be formed with air inlet and gas outlet on the humidifier shell, the air inlet is used for communicating the end of giving vent to anger of air compressor machine with the inlet end of intercooler, the gas outlet is used for communicating the end of giving vent to anger of humidification subassembly with the inlet end of fuel cell pile. Like this, in embedding the intercooler humidifier, both insert the fuel cell pile as a whole, can reduce the system volume, improve fuel cell system's integrated level, can reduce the pipe connection between intercooler and the humidifier simultaneously, with intercooler and humidifier integration back, assemble more easily when carrying out the system assembly, also can reduce the gas leakage point, promote the security.

Description

Inter-cooling humidification assembly of fuel cell, fuel cell air inlet system and vehicle

Technical Field

The present disclosure relates to the field of fuel cell technology, and in particular, to an intercooling humidification assembly for a fuel cell, a fuel cell air intake system, and a vehicle.

Background

The fuel cell system needs a large amount of air during operation, and generally, the air is supplied by an air compressor, but the temperature of the air compressed by the air compressor exceeds the air temperature required by the fuel cell stack, so the air needs to be cooled by an intercooler and then supplied to the fuel cell stack, and meanwhile, the fuel cell stack also has a requirement on the inlet air humidity of the air, so a humidifier is required to be arranged to humidify the dry air.

Among the correlation technique, fuel cell system's humidifier and intercooler are separately arranged, can occupy great space, and intercooler and humidifier all need the shell can increase whole weight, and intercooler and humidifier need pass through the tube coupling, and every junction all has the gas leakage risk, and holistic security performance is low to the assembly degree of difficulty is big, if improper design still can have the installation to interfere the problem.

SUMMERY OF THE UTILITY MODEL

The purpose of the present disclosure is to provide an intercooling humidification assembly of a fuel cell, which can reduce the occupied volume, improve the integration level, and at the same time, can reduce the air leakage point, and improve the safety.

In order to achieve the above object, the present disclosure provides an intercooling and humidifying assembly of a fuel cell, including an intercooler and a humidifier, where the humidifier includes a humidifier housing and a humidifying assembly disposed in the humidifier housing, the intercooler is embedded in the humidifier housing, an air outlet end of the intercooler is communicated with an air inlet end of the humidifying assembly, an air inlet and an air outlet are formed on the humidifier housing, the air inlet is used to communicate an air outlet end of an air compressor with the air inlet end of the intercooler, and the air outlet is used to communicate an air outlet end of the humidifying assembly with an air inlet end of a fuel cell stack.

Optionally, the intercooler is disposed in the humidifier housing on a side thereof proximate to the air inlet end of the humidification assembly.

Optionally, the intercooler is connected with a flange, and the flange is detachably connected with the humidifier housing through a fastener.

Optionally, a sealing gasket is connected between the humidifier housing and the intercooler.

Optionally, the gasket is made of rubber.

Optionally, the intercooler is provided with a coolant loop interface.

Optionally, a tail gas inlet and a tail gas outlet which are respectively communicated with the humidifying assembly are further formed on the humidifier shell, and the tail gas inlet is used for introducing wet tail gas discharged by a vehicle into the humidifying assembly.

Optionally, the humidification assembly comprises a dry air pipeline communicated with the air inlet and the air outlet and a wet air pipeline communicated with the tail gas inlet and the tail gas air outlet, and the dry air pipeline and the wet air pipeline are separated by a Nafion membrane.

According to a second aspect of the present disclosure, there is also provided a fuel cell air intake system comprising the intercooled humidification assembly of the fuel cell as described above.

According to a third aspect of the present disclosure, there is also provided a vehicle including the fuel cell intake system as described above.

Through above-mentioned technical scheme, with the intercooler embedding humidifier, both insert the fuel cell pile as a whole, can reduce the system volume, improve fuel cell system's integrated level, can reduce the pipe connection between intercooler and the humidifier simultaneously, with intercooler and humidifier integrated back, assemble more easily when carrying out the system assembly, also can reduce the gas leakage point, promote system security. In addition, the intercooler is embedded into the humidifier, so that the shell of the intercooler can be omitted, and the weight of the system is reduced.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is an assembled schematic view of an intercooled humidification assembly for a fuel cell provided by an exemplary embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of an intercooling humidification assembly of a fuel cell provided by an exemplary embodiment of the disclosure.

Description of the reference numerals

1 Intercooler 11 Coolant Circuit interface

2 humidifier 21 humidifier shell

211 inlet 212 outlet

213 Tail gas inlet 214 Tail gas outlet

3 Flange 4 sealing gasket

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise stated, the terms "upper", "lower", "top" and "bottom" used in the present disclosure are used with respect to the actual usage state of the relevant components, and "inner and outer" are used with respect to the self-profile of the corresponding component. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

As shown in fig. 1 and 2, the present disclosure provides an intercooling and humidifying assembly of a fuel cell, which may include an intercooler 1 and a humidifier 2, where the humidifier 2 may include a humidifier housing 21 and a humidifying component disposed in the humidifier housing 21, a mounting position of the intercooler 1 is reserved in the humidifier 2, so that the intercooler 1 is embedded in the humidifier housing 21, further, an air outlet end of the intercooler 1 is communicated with an air inlet end of the humidifying component, an air inlet 211 and an air outlet 212 are formed on the humidifier housing 21, the air inlet 211 is used to communicate an air outlet end of an air compressor with an air inlet end of the intercooler 1, and the air outlet 212 is used to communicate an air outlet end of the humidifying component with an air inlet end of a fuel cell stack. When the air compressor works, compressed air in the air compressor firstly enters the intercooler 1 through the air inlet 211 to be cooled, then enters the humidifying component of the humidifier 2 to be humidified, and finally enters the fuel cell stack through the air outlet 212.

Through above-mentioned technical scheme, in imbedding intercooler 1 into humidifier 2, both insert the fuel cell galvanic pile as a whole, can reduce the system volume, improve fuel cell system's integrated level, can reduce the pipe connection between intercooler 1 and humidifier 2 simultaneously, with intercooler 1 and humidifier 2 integrated back, assemble more easily when carrying out the system assembly, also can reduce the gas leakage point, promote system security. In addition, the intercooler 1 is embedded into the humidifier 2, and the shell of the intercooler 1 can be omitted, so that the weight of the system is reduced.

According to some embodiments, referring to fig. 1 and 2, the intercooler 1 may be disposed in the humidifier housing 21 on a side close to the air inlet end of the humidification assembly, so that the air outlet end of the intercooler 1 is communicated with the air inlet end of the humidification assembly, so that the air enters the humidification assembly for humidification after being cooled by the intercooler 1.

As an exemplary embodiment of the present disclosure, the intercooler 1 may be connected with a flange 3, and the flange 3 and the humidifier housing 21 may be detachably connected by a fastener. Specifically, as shown in fig. 1, a flange 3 is connected to a top end of the intercooler 1, and the flange 3 is fixedly connected to a top wall of the humidifier housing 21 by bolts, so as to fix the intercooler 1. Of course, the flange 3 may be attached to a side wall of the intercooler 1, and the flange 3 may be detachably attached to a side wall of the humidifier housing 21 by a fastener. In the embodiment of the present disclosure, the connection position and the connection manner of the intercooler 1 and the humidifier housing 21 are not particularly limited.

Further, a gasket 4 may be connected between the humidifier housing 21 and the intercooler 1. Specifically, sealed 4 sealing connection of filling up is between humidifier shell 21's roof and intercooler 1, as shown in fig. 1, sealed 4 below that is located flange 3 of filling up to realize the sealed between intercooler 1 and humidifier 2, avoid taking place the gas leakage phenomenon, promote system's security.

Specifically, the gasket 4 may be made of a non-metal material such as rubber, asbestos, or a paper gasket, or may be made of a metal material such as copper, aluminum, or stainless steel.

The intercooler 1 may be provided with a cooling fluid loop interface 11 for injecting cooling fluid to complete cooling and heat dissipation. Specifically, as shown in fig. 1 and 2, the top end of the intercooler 1 may be provided with two coolant circuit interfaces 11.

According to an embodiment of the present disclosure, referring to fig. 1 and 2, the humidifier housing 21 may further include an exhaust gas inlet 213 and an exhaust gas outlet 214 respectively communicated with the humidifying assembly, wherein the exhaust gas inlet 213 is used for wet exhaust gas discharged from the vehicle to pass through. Therefore, wet tail gas enters the humidifying assembly through the tail gas inlet 213, moisture in the wet tail gas is separated out to be used for humidifying dry air, and the separated dry tail gas is discharged from the tail gas outlet 214.

Further, the humidifying assembly may include a dry air line communicating with the inlet 211 and the outlet 212 and a wet air line communicating with the exhaust gas inlet 213 and the exhaust gas outlet 214, the dry air line and the wet air line being separated by a Nafion membrane (perfluorosulfonic acid ion exchange membrane). Compressed air in the air compressor passes through the intercooler 1 and then enters a dry air pipeline of the humidifying assembly, furthermore, wet tail gas discharged by a vehicle enters the wet air pipeline through a tail gas inlet 213, a Nafion membrane between the dry air pipeline and the wet air pipeline can supply water to pass through but cannot pass through air, therefore, water in the wet tail gas enters the dry air pipeline through the Nafion membrane to humidify the air, and dry tail gas is discharged from a tail gas outlet 214 in the wet air pipeline.

According to the second aspect of the present disclosure, there is also provided a fuel cell air intake system, which includes the intercooling humidification assembly of the fuel cell provided in the present disclosure, and the fuel cell air intake system has the same advantages of the intercooling humidification assembly described above with respect to the prior art, and will not be described herein again.

According to the third aspect of the present disclosure, a vehicle is also provided, which includes the fuel cell air intake system provided by the present disclosure, and the vehicle has the intercooled humidification assembly of the fuel cell and the fuel cell air intake system described above, which have the same advantages over the prior art, and therefore, the description thereof is omitted.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The inter-cooling humidification assembly of the fuel cell is characterized by comprising an inter-cooling device (1) and a humidifier (2), wherein the humidifier (2) comprises a humidifier shell (21) and a humidification component arranged in the humidifier shell (21), the inter-cooling device (1) is embedded in the humidifier shell (21), the air outlet end of the inter-cooling device (1) is communicated with the air inlet end of the humidification component, an air inlet (211) and an air outlet (212) are formed in the humidifier shell (21), the air inlet (211) is used for communicating the air outlet end of an air compressor with the air inlet end of the inter-cooling device (1), and the air outlet (212) is used for communicating the air outlet end of the humidification component with the air inlet end of a fuel cell stack.

2. The inter-cooler humidification assembly of a fuel cell as set forth in claim 1, wherein the inter-cooler (1) is disposed in the humidifier housing (21) on a side close to an air inlet end of the humidification module.

3. The inter-cooler humidification assembly of a fuel cell as set forth in claim 1, wherein a flange (3) is attached to the inter-cooler (1), and the flange (3) is detachably attached to the humidifier housing (21) by a fastening member.

4. The intercooled humidification assembly of a fuel cell according to claim 3, wherein a sealing gasket (4) is connected between the humidifier housing (21) and the intercooler (1).

5. The intercooling humidification assembly of a fuel cell according to claim 4, wherein the material of the sealing gasket (4) is rubber.

6. The inter-cooler humidification assembly for a fuel cell as set forth in claim 1, characterized in that the inter-cooler (1) is provided with a coolant circuit interface (11).

7. The intercooled humidification assembly of fuel cell of any one of claims 1-6, wherein the humidifier housing (21) is further formed with an exhaust gas inlet (213) and an exhaust gas outlet (214) respectively communicating with the humidification component, the exhaust gas inlet (213) being adapted to allow wet exhaust gas discharged from a vehicle to pass through.

8. The intercooled humidification assembly of fuel cell of claim 7, wherein the humidification assembly includes a dry air line in communication with the inlet (211) and the outlet (212) and a wet air line in communication with the exhaust gas inlet (213) and the exhaust gas outlet (214), the dry air line and the wet air line being separated by a Nafion membrane.

9. A fuel cell air intake system comprising the inter-cooled humidification assembly of a fuel cell as claimed in any one of claims 1 to 8.

10. A vehicle characterized by comprising the fuel cell intake system according to claim 9.