CN216213569U

CN216213569U - Vehicle, fuel cell engine and cooling and humidifying integrated structure thereof

Info

Publication number: CN216213569U
Application number: CN202121278303.1U
Authority: CN
Inventors: 石念钊; 马学龙; 李博; 陈宾; 孙阳超
Original assignee: Weichai Balade Hydrogen Technology Co ltd
Current assignee: Weichai Balade Hydrogen Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-04-05
Anticipated expiration: 2031-06-07

Abstract

The scheme provides a cooling and humidification integrated structure, includes intercooler and humidifier, and the two stack up the arrangement and integrate in an organic whole. The intercooler air inlet is used for connecting the air compressor machine, and the intercooler gas outlet docks the humidifier air inlet of humidifier. And the air outlet of the humidifier is used for being connected with the air inlet of the galvanic pile, and the tail exhaust wet gas inlet of the humidifier is used for being connected with the tail exhaust air outlet of the galvanic pile. The intercooler selects a flat structure, and is laminated with the humidifier to integrate the intercooler and the humidifier, and air circulation is realized through respective internal flow channel design. Compared with the arrangement mode that the two in the prior art are respectively arranged and need to be communicated with an external connecting pipeline, the space installation size of the intercooler and the humidifier can be effectively reduced, the complex pipeline connection is reduced, and the leakage risk is reduced. The scheme also provides a fuel cell engine and a vehicle with the cooling and humidifying integrated structure.

Description

Vehicle, fuel cell engine and cooling and humidifying integrated structure thereof

Technical Field

The utility model belongs to the technical field of fuel cell engines, and particularly relates to a vehicle, a fuel cell engine and a cooling and humidifying integrated structure thereof.

Background

After being filtered by a chemical air filter and pressurized by an air compressor, air required by the fuel cell needs to be cooled and humidified so as to ensure that air with a certain excess ratio, a certain pressure, a proper temperature and humidity enters a fuel cell stack.

The existing intercooler and humidifier are two independent and separated parts, the two parts are connected through an air pipeline, humidified air needs to be subjected to pressure detection before entering an electric pile, and a pressure sensor needs to be additionally arranged in the pipeline. However, the mutually independent intercooler and humidifier structure has the disadvantages of large occupied space, complex connecting pipeline, large pipeline pressure drop loss, multiple leakage points and the like in the whole arrangement.

Therefore, how to realize the integrated design of the intercooler and the humidifier and improve the space utilization rate is a problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vehicle, a fuel cell engine and a cooling and humidifying integrated structure thereof, which realize the integrated design of an intercooler and a humidifier and improve the space utilization rate.

In order to solve the technical problem, the utility model provides a cooling and humidifying integrated structure, which comprises an intercooler and a humidifier;

wherein the intercooler and the humidifier are arranged in a stack and integrated into one body;

an intercooler air inlet of the intercooler is used for being connected with an air compressor, and an intercooler air outlet of the intercooler is in butt joint with a humidifier air inlet of the humidifier;

the air outlet of the humidifier is used for being connected with the air inlet of the galvanic pile, and the tail moisture exhaust inlet of the humidifier is used for being connected with the tail air exhaust outlet of the galvanic pile.

Optionally, the cooling and humidifying integrated structure has a top surface, a bottom surface, first and second oppositely disposed side surfaces, and third and fourth oppositely disposed side surfaces;

the intercooler is located the top of humidifier, the intercooler gas outlet set up in the bottom surface of intercooler, the humidifier air inlet set up in the top surface of humidifier.

Optionally, the inner chamber of humidifier has dry district's passageway and wet district's passageway, dry district's passageway includes a plurality of pipelines of making by the membrane of permeating water of preventing gas, the humidifier air inlet with the humidifier gas outlet communicates respectively the both ends of dry district's passageway, the inner chamber of humidifier except that the area outside the dry district passageway does the wet district passageway, tail hydrofuge gas inlet and tail hydrofuge gas outlet communicate respectively the wet district passageway.

Optionally, the humidifier air inlet is located on the first side surface, the humidifier air outlet is located on the second side surface, and the tail moisture exhaust inlet and the tail moisture exhaust outlet are both arranged on the third side surface.

Optionally, an intercooler air outlet of the intercooler and a humidifier air inlet of the humidifier are connected by flange surfaces;

and/or the intercooler and the humidifier are connected at the other end of the flange surface through an intercooler bracket.

Optionally, the humidifier further comprises a temperature sensor for detecting the temperature of the gas discharged from the gas outlet of the humidifier.

Optionally, a bypass interface is arranged at an air inlet of the humidifier, and the bypass interface is provided with a bypass valve.

Optionally, an isolation valve is further disposed at an air outlet of the humidifier, and the isolation valve is closed after the shutdown of the humidifier so as to prevent oxygen from entering the stack.

The present disclosure also provides a fuel cell engine comprising a stack and an air system comprising an air compressor and an integrated cooling and humidification structure as described above.

The present solution also provides a vehicle characterized by comprising a fuel cell engine as described above.

The utility model provides a cooling and humidifying integrated structure which comprises an intercooler and a humidifier, wherein the intercooler and the humidifier are arranged in a stacked mode and are integrated into a whole. The intercooler air inlet of intercooler is used for connecting the air compressor machine, and the intercooler air outlet of intercooler docks the humidifier air inlet of humidifier. And a humidifier air outlet of the humidifier is used for being connected with an air inlet of the galvanic pile, and a tail moisture exhaust air inlet of the humidifier is used for being connected with a tail air exhaust outlet of the galvanic pile. Air pressurized by the air compressor enters the intercooler through the intercooler air inlet, cooled air is discharged from the intercooler air outlet and then enters the humidifier air inlet, and humidified air is discharged from the humidifier air outlet and then enters the electric pile for electrochemical reaction. Air discharged from the tail of the electric pile enters the humidifier through the tail moisture discharging inlet, humidifies the air entering from the air inlet of the humidifier, and is finally discharged from the tail moisture discharging outlet 9. The intercooler selects a flat structure, and is laminated with the humidifier to integrate the intercooler and the humidifier, and air circulation is realized through respective internal flow channel design. Compared with the prior art, the two are arranged separately, and the arrangement mode that the external connection pipeline is communicated is needed, so that the space installation size of the intercooler and the humidifier can be effectively reduced, the complex pipeline connection is reduced, and the leakage risk is reduced.

The present invention also provides a fuel cell engine and a vehicle having the above-described integrated cooling and humidifying structure, and therefore, the same advantageous effects as described above will be achieved, and thus, detailed description thereof will be omitted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an integrated cooling and humidifying structure provided by an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another perspective view of an integrated cooling and humidification structure provided by an embodiment of the present invention;

FIG. 3 is an exploded view of a cooling and humidification integrated structure provided by an embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of a humidifier according to an embodiment of the present invention.

In the upper diagram:

the device comprises an intercooler water inlet 1, an intercooler 2, an intercooler air inlet 3, an intercooler water outlet 4, an isolation valve 5, a temperature sensor 6, a tail exhaust wet gas inlet 7, a humidifier 8, a tail exhaust wet gas outlet 9, a humidifier support 10, a bypass interface 11, an intercooler support 12, an intercooler air outlet 13, a sealing gasket 14, a humidifier air inlet 15, a sealing gasket 16 and a humidifier air outlet 17.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality is more than two, if there are first and second described for the purpose of distinguishing technical features, but not for indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

The core of the utility model is to provide a vehicle, a fuel cell engine and a cooling and humidifying integrated structure thereof, which realizes the integrated design of an intercooler and a humidifier and improves the space utilization rate.

In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

The utility model provides a fuel cell engine, at least comprising: the air system comprises an air compressor, an air compressor controller, an intercooler, a humidifier and the like, and the intercooler and the humidifier are integrated into a whole to form the cooling and humidifying integrated structure.

The outside air firstly enters an air filter of a vehicle for filtering, then enters an air compressor for compression so as to improve the pressure of the air, the high-pressure air is cooled by an intercooler 2 and then enters a humidifier 8 for humidification, and finally the air which is suitable for the operation of the galvanic pile and has certain temperature and humidity enters the galvanic pile to participate in chemical reaction.

It should be understood that the core of the present invention lies in the cooling and humidifying integrated structure described above, and therefore, embodiments of the present invention will be described in detail hereinafter mainly with reference to the cooling and humidifying integrated structure. For other structures in the fuel cell engine provided in the present embodiment, reference may be made to related prior arts, and detailed description thereof will not be provided here.

Specifically, referring to fig. 1-3, the cooling and humidifying integrated structure includes an intercooler 2 and a humidifier 8, the intercooler 2 has an intercooler air inlet 3, an intercooler air outlet 13, an intercooler water inlet 1 and an intercooler water outlet 4, and the humidifier 8 has a humidifier air inlet 15, a humidifier air outlet 17, a tail exhaust moisture inlet 7 and a tail exhaust moisture outlet 9.

The intercooler 2 and the humidifier 8 are arranged in a stack and integrated.

Intercooler air inlet 3 of intercooler 2 is used for connecting the air compressor machine, and intercooler air outlet 13 of intercooler 2 docks humidifier air inlet 15 of humidifier 8. The intercooler 2 is used for cooling the air pressurized by the air compressor.

The humidifier air outlet 17 of the humidifier 8 is used for being connected with an air inlet of the electric pile, and the tail exhaust wet gas inlet 7 of the humidifier 8 is used for being connected with a tail exhaust air outlet of the electric pile. The humidifier 8 is used to humidify the air discharged from the intercooler 2.

According to the structure, air pressurized by the air compressor enters the intercooler 2 through the intercooler air inlet 3, cooled air is discharged from the intercooler air outlet 13 and then enters the humidifier air inlet 15, and humidified air is discharged from the humidifier 8 air outlet 17 and then enters the electric pile for electrochemical reaction. Air discharged from the tail of the electric pile enters a humidifier 8 through a tail moisture discharging inlet 7, humidifies the air entering from a humidifier air inlet 15, and is finally discharged from a tail moisture discharging outlet 9.

The intercooler 2 adopts a flat structure, is stacked with the humidifier 8 and tightly attached to integrate the two into a whole, and realizes air circulation through respective internal flow channel design. Compared with the prior art, the two are arranged separately, and the arrangement mode that the external connection pipeline is communicated is needed, so that the space installation size of the intercooler and the humidifier can be effectively reduced, the complex pipeline connection is reduced, and the leakage risk is reduced.

In this embodiment, as shown in fig. 1-2, the integrated cooling and humidifying structure has a top surface, a bottom surface, first and second oppositely disposed side surfaces, and third and fourth oppositely disposed side surfaces.

Intercooler 2 is located the top of humidifier 8, and intercooler air outlet 13 sets up in the bottom surface of intercooler 2, and humidifier air inlet 15 sets up in the top surface of humidifier 8.

The humidifier air inlet 15 is located on a first side of the humidifier 8, the humidifier air outlet 17 is located on a second side of the humidifier 8, and the tail moisture exhaust inlet 7 and the tail moisture exhaust outlet 9 of the humidifier 8 are both disposed on a third side of the humidifier 8.

Intercooler

2 and 8 butt joints of humidifier set up in order to compress occupation space, and the position sets up makes pipe connection and overall arrangement more reasonable for the aforesaid is imported and exported. Of course, it is also possible to select one of the tail exhaust moisture inlet 7 and the tail exhaust moisture outlet 9 to be disposed at the third side and the other to be disposed at the fourth side.

Correspondingly, the intercooler air outlet 13 is located at a first side surface of the intercooler 2, the intercooler air inlet 3 is located at a fourth side surface of the intercooler 2, the intercooler water inlet 1 is located at the intersection of the first side surface and the fourth side surface of the intercooler 2, and the intercooler water outlet 4 is located at the intersection of the second side surface and the fourth side surface of the intercooler 2. The cooling liquid required by the intercooler 2 enters from the intercooler water inlet 1 and is discharged from the intercooler water outlet 4, and the cooling liquid is used for cooling the air pressurized by the air compressor.

The inner cavity of the humidifier 8 is provided with a dry area channel Q1 and a wet area channel Q2, the dry area channel Q1 comprises a plurality of pipelines made of air-proof and water-permeable membranes, the humidifier air inlet 15 and the humidifier air outlet 17 are respectively communicated with two ends of the dry area channel Q1, the area of the inner cavity of the humidifier 8 except the dry area channel Q1 is a wet area channel Q2, and the tail moisture exhaust air inlet 7 and the tail moisture exhaust air outlet 9 are respectively communicated with the wet area channel Q2.

The internal structure of the humidifier 8 is shown in fig. 4, and the cooled air enters the humidifier 8 through the humidifier air inlet 15, enters the dry zone channel, which is a fine pipeline made of many air-proof and water-permeable membranes, and then is discharged through the humidifier air outlet 17. Air discharged from the tail of the galvanic pile enters the humidifier through the tail moisture discharging inlet 7, then enters the wet area channel, and is discharged through the tail moisture discharging outlet 9. The dry area is kept apart by the gas-tight permeable membrane with the wet area, and the gas flow does not influence each other, only allows the hydrone infiltration to realize that the wet gas of pile tail row carries out the humidification to admitting air, in order to improve the pile performance.

In the preferred embodiment, the intercooler air outlet 13 of the intercooler 2 and the humidifier air inlet 15 of the humidifier 8 are connected by flange surfaces, so as to realize air circulation. And a sealing gasket 14 is arranged between the intercooler air outlet 13 and the humidifier air inlet 15 for sealing.

Further, the intercooler 2 and the humidifier 8 are connected at the other end of the flange face by an intercooler bracket 12. The intercooler bracket 12 is L-shaped, one side of which is connected to the bottom of the intercooler 2 and the other side of which is connected to the second side of the humidifier 8, and the connection may be made by bolts.

The reactor also comprises a temperature sensor 6 for detecting the temperature of the gas discharged from the air outlet 17 of the humidifier, so as to ensure that the temperature of the air entering the reactor is in a proper range.

In addition, the humidifier air inlet 15 of the humidifier 8 is opened with a bypass interface 11, and the bypass interface 11 is provided with a bypass valve for bypassing the gas which passes through the intercooler 2 and does not enter the humidifier 8, so that the risk of surge of the air compressor is reduced.

The humidifier gas outlet 17 of humidifier 8 still is provided with isolating valve 5, and isolating valve 5 plays galvanic pile isolation protection's effect, and when shutting down the back, isolating valve closes, prevents that oxygen from getting into the galvanic pile and causing the galvanic pile pollution. And a sealing gasket 16 is arranged between the flange surface of the air outlet 17 of the humidifier and the isolating valve 5.

The present case adopts whole integrated structure to integrate with fuel cell engine through humidifier support 10.

The scheme designs a structure that collects cooling and humidification function in an organic whole, possesses the function of cooling and humidifying the air of advancing the heap, and has integrateed isolating valve and sensor, reserves bypass valve interface, has reduced the complete machine and has arranged the space, has reduced air pipeline pressure drop loss, and the isolating valve plays the effect of isolation protection pile under fuel cell engine shutdown state, and the application of bypass valve will effectively reduce the risk of air compressor machine surge.

In addition, the present embodiment also provides a vehicle including a fuel cell engine, where the fuel cell engine is the fuel cell engine described above.

Since the vehicle has the fuel cell engine, the vehicle has the beneficial effects brought by the fuel cell engine, please refer to the above contents, and the details are not repeated herein.

In summary, the present invention has the following advantages:

the integrated design has small occupied space, and is beneficial to improving the volume power density of a fuel cell engine;

secondly, due to the integrated design, the complex pipeline arrangement is reduced, the leakage risk is reduced, and the pressure drop loss of the pipeline is reduced;

thirdly, the integrated design is realized, the structure is simple, and the assembly efficiency is improved;

and fourthly, the installation of the sensor and the isolation valve and the bypass interface are integrated, so that the multifunction is realized.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A cooling and humidifying integrated structure is characterized by comprising an intercooler (2) and a humidifier (8);

wherein the intercooler (2) and the humidifier (8) are arranged in a stacked manner and integrated into a whole;

an intercooler air inlet (3) of the intercooler (2) is used for being connected with an air compressor, and an intercooler air outlet (13) of the intercooler (2) is in butt joint with a humidifier air inlet (15) of the humidifier (8);

and a humidifier air outlet (17) of the humidifier (8) is used for being connected with an air inlet of the galvanic pile, and a tail exhaust wet air inlet (7) of the humidifier (8) is used for being connected with a tail exhaust air outlet of the galvanic pile.

2. The integrated cooling and humidification structure of claim 1, wherein the integrated cooling and humidification structure has a top surface, a bottom surface, oppositely disposed first and second side surfaces, and oppositely disposed third and fourth side surfaces;

intercooler (2) are located the top of humidifier (8), intercooler gas outlet (13) set up in the bottom surface of intercooler (2), humidifier air inlet (15) set up in the top surface of humidifier (8).

3. The integrated cooling and humidification structure according to claim 2, wherein the inner cavity of the humidifier (8) has a dry zone channel (Q1) and a wet zone channel (Q2), the dry zone channel (Q1) comprises a plurality of pipes made of air-proof and water-permeable membranes, the humidifier air inlet (15) and the humidifier air outlet (17) are respectively communicated with two ends of the dry zone channel (Q1), the area of the inner cavity of the humidifier (8) except the dry zone channel (Q1) is the wet zone channel (Q2), and the tail moisture exhaust inlet (7) and the tail moisture exhaust outlet (9) are respectively communicated with the wet zone channel (Q2).

4. The integrated cooling and humidification structure according to claim 3 wherein the humidifier air inlet (15) is located on the first side, the humidifier air outlet (17) is located on the second side, and the tail exhaust moisture inlet (7) and the tail exhaust moisture outlet (9) are both disposed on the third side.

5. The integrated cooling and humidification structure according to claim 2, wherein an intercooler air outlet (13) of the intercooler (2) and a humidifier air inlet (15) of the humidifier (8) are connected by a flange surface;

and/or the intercooler (2) and the humidifier (8) are connected at the other end of the flange surface through an intercooler bracket (12).

6. The integrated cooling and humidification structure of claim 1 further comprising a temperature sensor (6) for sensing the temperature of the outlet gas from the humidifier outlet (17).

7. A cooling and humidification integrated structure according to claim 1, characterised in that a humidifier air inlet (15) of the humidifier (8) is provided with a bypass interface (11), the bypass interface (11) being provided with a bypass valve.

8. The integrated cooling and humidification structure according to claim 1, wherein the humidifier gas outlet (17) of the humidifier (8) is further provided with an isolation valve (5) for closing the isolation valve (5) after shutdown to prevent oxygen from entering the stack.

9. A fuel cell engine comprising a stack and an air system comprising an air compressor and the integrated cooling and humidification structure of any of claims 1-8.

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