CN218039313U

CN218039313U - Ultrasonic atomization humidifying device and fuel cell system

Info

Publication number: CN218039313U
Application number: CN202222466753.4U
Authority: CN
Inventors: 邱佰红; 邢坤
Original assignee: Weishi Energy Technology Co Ltd
Current assignee: Weishi Energy Technology Co Ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2022-12-13
Anticipated expiration: 2032-09-16

Abstract

The utility model provides an ultrasonic atomization humidification device and fuel cell system relates to new forms of energy technical field, the utility model provides an ultrasonic atomization humidification device, include: the device comprises a pressurization gas supply component, an ejector, a galvanic pile and an aerosol generation component; the pressurizing air supply assembly and the air mist generation assembly are respectively communicated with the ejector through fluid, and the ejector is communicated with the galvanic pile through fluid. The utility model provides an ultrasonic atomization humidification device and fuel cell system crosses ejector miscible high temperature gas and water smoke, can carry out the independent air feed of pressure boost air feed subassembly when cold start, and then makes and advance the pile air and keep lower humidity, can avoid the pile to produce the problem of freezing under the low temperature condition from this.

Description

Ultrasonic atomization humidifying device and fuel cell system

Technical Field

The utility model belongs to the technical field of fuel cell system technique and specifically relates to an ultrasonic atomization humidification device and fuel cell system are related to.

Background

The electric reactor reaction has higher requirement on the humidity of air, but the traditional humidifier has higher cost and larger occupied space, and reduces the mass density power of the fuel cell system. Due to the characteristic of response lag of the humidifier, the inlet air humidity of the fuel cell system is dry during the load-up process; the inlet air humidity of the galvanic pile is wet in the load reduction process, and the reaction efficiency of the membrane electrode of the galvanic pile is influenced. In addition, if the air is continuously humidified during the low-temperature start, there is a risk of low-temperature icing inside the cell stack.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrasonic atomization humidification device and fuel cell system to alleviate the technical problem that advance heap air humidity is difficult to satisfy the operating mode requirement.

In a first aspect, the present invention provides an ultrasonic atomization humidifying device, comprising: the device comprises a pressurization gas supply component, an ejector, a galvanic pile and an aerosol generation component;

the pressurizing air supply assembly and the aerial fog generating assembly are respectively communicated with the ejector through fluid, and the ejector is communicated with the galvanic pile through fluid.

With reference to the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein the ultrasonic atomization humidification apparatus further includes: a cooler and a gas-liquid separator;

and the cathode gas outlet of the electric pile is in fluid communication with the cooler, the cooler is in fluid communication with the gas-liquid separator, and the water outlet of the gas-liquid separator is in fluid communication with the aerosol generation assembly.

In combination with the first possible implementation manner of the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein the gas outlet of the gas-liquid separator is in fluid communication with the tail silencer.

In combination with the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the aerosol generating assembly includes: a water storage container, a water pump and an ultrasonic atomization generator;

the water storage container is in fluid communication with a water inlet pipe of the water pump, a water outlet pipe of the water pump is in fluid communication with the ultrasonic atomization generator, and the ultrasonic atomization generator is in fluid communication with the ejector.

Combine the third possible implementation mode of first aspect, the utility model provides a fourth possible implementation mode of first aspect, wherein, pressure boost air feed subassembly with install three way connection between the ejector, three way connection's branch road mouth of pipe with ultrasonic atomization generator fluid intercommunication.

In combination with the third possible implementation manner of the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein a check valve is installed between the water pump and the ultrasonic atomization generator.

With reference to the third possible implementation manner of the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein a drain valve is installed in the drain pipe of the water storage container.

In combination with the first aspect, the present invention provides a seventh possible implementation manner of the first aspect, wherein an intercooler is installed between the ejector and the electric pile.

In combination with the first aspect, the present invention provides an eighth possible implementation manner of the first aspect, wherein the pressurized air supply assembly includes: an air filter, an air flow meter and an air compressor;

the air filter, the air flow meter and the air compressor are sequentially in fluid communication, and the air compressor and the aerosol generation assembly are respectively in fluid communication with the ejector.

In a second aspect, the present invention provides a fuel cell system including the ultrasonic atomizing and humidifying apparatus of the first aspect.

The embodiment of the utility model provides a following beneficial effect has been brought: adopt pressure boost air feed subassembly and fog to take place the subassembly and respectively with ejector fluid intercommunication, ejector and galvanic pile fluid intercommunication, through ejector miscible high temperature gas and water smoke, can carry out the independent air feed of pressure boost air feed subassembly when cold start, and then make and advance the air of piling and keep lower humidity, can avoid the galvanic pile to produce the problem of freezing under the low temperature condition from this.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

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

Fig. 1 is a schematic view of an ultrasonic atomization humidifying device provided by an embodiment of the present invention.

An icon: 001-a pressurized gas supply assembly; 101-an air filter; 102-an air flow meter; 103-an air compressor; 002-ejector; 003-electric pile; 004-an aerosol generating assembly; 401-a water storage container; 402-a water pump; 403-ultrasonic atomization generator; 404-a one-way valve; 405-a drain valve; 005-a cooler; 006-gas-liquid separator; 007-tail row silencer; 008-three way connection; 009-intercooler.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, an ultrasonic atomization humidifying device provided by the embodiment of the present invention includes: the device comprises a pressurization gas supply component 001, an ejector 002, a galvanic pile 003 and an air fog generation component 004; the pressurizing air supply assembly 001 and the air fog generating assembly 004 are respectively in fluid communication with the ejector 002, and the ejector 002 is in fluid communication with the galvanic pile 003.

Specifically, the air is pressurized and conveyed to the ejector 002 by the pressurizing air supply assembly 001, the mist generated by the mist generation assembly 004 is introduced into the ejector 002, and the high-pressure air and the mist are driven by the ejector 002 to be mixed and discharged into the galvanic pile 003. In the ultrasonic atomization humidifying device, the pressurization air supply component 001 and the air fog generation component 004 are respectively arranged in separate pipelines, when the device is in cold start, the air fog generation component 004 can be stopped from working, independent air supply is carried out through the pressurization air supply component 001, and then air entering the galvanic pile 003 is kept at low humidity, so that the galvanic pile 003 is prevented from being frozen under the low-temperature condition.

In an embodiment of the present invention, the ultrasonic atomization humidifying device further includes: a cooler 005 and a gas-liquid separator 006; the cathode gas outlet of the stack 003 is in fluid communication with the cooler 005, the cooler 005 is in fluid communication with the gas-liquid separator 006, and the water outlet of the gas-liquid separator 006 is in fluid communication with the aerosol generating assembly 004.

Specifically, the reactor 003 generates a large amount of water by reaction, the air flow at the outlet of the cathode contains a large amount of water vapor, the water vapor in the air flow is liquefied by the cooler 005, and the water in the air flow is separated by the gas-liquid separator 006, so that the water in the air flow can be supplemented to the aerosol generating assembly 004.

Further, the exhaust port of the gas-liquid separator 006 is in fluid communication with the tail exhaust muffler 007, the exhaust gas from the exhaust port of the gas-liquid separator 006 is exhausted through the tail exhaust pipeline, the tail exhaust muffler 007 is installed on the tail exhaust pipeline, and the exhaust noise can be reduced through the tail exhaust muffler 007.

Further, the aerosol generating assembly 004 includes: a water storage container 401, a water pump 402 and an ultrasonic atomization generator 403; the water storage container 401 is in fluid communication with a water inlet pipe of the water pump 402, a water outlet pipe of the water pump 402 is in fluid communication with the ultrasonic atomization generator 403, and the ultrasonic atomization generator 403 is in fluid communication with the ejector 002.

Specifically, the outlet of the gas-liquid separator 006 is communicated with the water storage container 401, water in the water storage container 401 is drained to the atomization chamber through the water pump 402, and the water in the atomization chamber can form mist through the ultrasonic atomization generator 403 installed in the atomization chamber, so that the humidification purpose is achieved. When the ejector 002 works, a low-pressure area is formed inside the ejector 002, the fog can be sucked into the low-pressure area of the ejector 002, the fog and the high-temperature gas in the ejector 002 are mixed, and the mixed humidified gas is introduced into the galvanic pile 003.

Further, a three-way joint 008 is installed between the pressurization gas supply component 001 and the ejector 002, and a branch pipe orifice of the three-way joint 008 is in fluid communication with the ultrasonic atomization generator 403.

Specifically, the air after pressurization of pressure boost air feed subassembly 001 can produce the intensification, and the branch road mouth of pipe through three way connection 008 is the leading-in atomizing chamber of the air after the temperature risees to can make liquid rapid vaporization, and then improve humidification efficiency.

Further, a check valve 404 is installed between the water pump 402 and the ultrasonic atomization generator 403, and the check valve 404 can prevent water in the atomization chamber from flowing back to the water pump 402, so that the liquid level inside the atomization chamber can be maintained stable when the water pump 402 stops working. Liquid level sensors are installed in the water storage container 401 and the atomization chamber, and the water discharge valve 405 and the water pump 402 are controlled according to liquid level signals, so that the liquid levels in the water storage container 401 and the atomization chamber can be kept stable.

Further, a drain valve 405 is installed in a drain pipe of the water storage container 401, and excess water in the water storage container 401 can be drained by opening the drain valve 405.

Furthermore, an intercooler 009 is installed between the ejector 002 and the electric pile 003, and the temperature of the humidified gas can be reduced through the intercooler 009, so that the gas entering the electric pile 003 is prevented from being too high in temperature. In addition, the vaporization of the liquid droplets in the atomizing chamber absorbs heat, thereby reducing the heat exchange load on the downstream intercooler 009.

Further, the supercharged air supply assembly 001 includes: an air cleaner 101, an air flow meter 102, and an air compressor 103; the air filter 101, the air flow meter 102 and the air compressor 103 are sequentially in fluid communication, and the air compressor 103 and the air mist generation assembly 004 are respectively in fluid communication with the ejector 002.

Specifically, air can be filtered through the air filter 101, the flow of the filtered air is measured through the air flow meter 102, and the filtered air is pressurized to a preset pressure through the air compressor 103 so as to meet the pressure required by the reaction of the galvanic pile 003. In addition, the gas pressurized by the air compressor 103 can be introduced into the atomizing chamber through the branch pipe orifice of the three-way joint 008, so that not only can the liquid in the atomizing chamber be rapidly vaporized, but also the mist in the atomizing chamber can be pressurized and conveyed to enter the ejector 002.

The fuel cell system provided by the embodiment of the utility model comprises the ultrasonic atomization humidifying device recorded in the embodiment.

The embodiment of the utility model provides an in, need not to use traditional humidifier, reduced fuel cell system's cost, reduced fuel cell system's the space of arranging, alleviateed system's weight, and then can improve fuel cell system's quality power density. Compared with a humidifier, the problem of response lag is relieved, and the reaction efficiency of the membrane electrode of the electric pile 003 is improved in the process of growing the fuel cell system. At the time of low-temperature starting, the gas mist generation assembly 004 can be controlled to stop running, so that the icing of the interior of the electric pile 003 due to the overlarge humidity is prevented.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. An ultrasonic atomization humidifying device, which is characterized by comprising: the device comprises a pressurizing air supply assembly (001), an ejector (002), a galvanic pile (003) and an air mist generation assembly (004);

the pressurized gas supply assembly (001) and the aerosol generation assembly (004) are respectively communicated with the ejector (002) in a fluid mode, and the ejector (002) is communicated with the galvanic pile (003) in a fluid mode.

2. The ultrasonic atomizing humidification device of claim 1, further comprising: a cooler (005) and a gas-liquid separator (006);

the cathode gas outlet of the galvanic pile (003) is in fluid communication with the cooler (005), the cooler (005) is in fluid communication with the gas-liquid separator (006), and the water outlet of the gas-liquid separator (006) is in fluid communication with the aerosol generating assembly (004).

3. The ultrasonic atomizing humidification device of claim 2, wherein the gas-liquid separator (006) gas vent is in fluid communication with a tail muffler (007).

4. The ultrasonic atomizing humidification device of claim 1, wherein the aerosol generation assembly (004) comprises: a water storage container (401), a water pump (402) and an ultrasonic atomization generator (403);

the water storage container (401) is in fluid communication with a water inlet pipe of the water pump (402), a water outlet pipe of the water pump (402) is in fluid communication with the ultrasonic atomization generator (403), and the ultrasonic atomization generator (403) is in fluid communication with the ejector (002).

5. The ultrasonic atomizing and humidifying device as claimed in claim 4, wherein a three-way joint (008) is installed between the pressurized gas supply component (001) and the ejector (002), and a branch pipe orifice of the three-way joint (008) is in fluid communication with the ultrasonic atomizing generator (403).

6. The ultrasonic atomizing humidification device as claimed in claim 4, wherein a check valve (404) is installed between the water pump (402) and the ultrasonic atomizing generator (403).

7. The ultrasonic atomizing and humidifying device of claim 4, wherein a drain valve (405) is installed on a drain pipe of the water storage container (401).

8. The ultrasonic atomizing and humidifying device of claim 1, wherein an intercooler (009) is installed between the ejector (002) and the galvanic pile (003).

9. The ultrasonic atomizing humidification device of claim 1, wherein the pressurized gas supply assembly (001) comprises: the air purifier comprises an air filter (101), an air flow meter (102) and an air compressor (103);

the air filter (101), the air flow meter (102) and the air compressor (103) are sequentially in fluid communication, and the air compressor (103) and the aerosol generation assembly (004) are respectively in fluid communication with the ejector (002).

10. A fuel cell system comprising the ultrasonic atomizing humidification apparatus as set forth in any one of claims 1 to 9.