CN218039314U

CN218039314U - Ultrasonic atomization humidifier and fuel cell system

Info

Publication number: CN218039314U
Application number: CN202222466832.5U
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 humidifier and fuel cell system relates to electric material battery technical field, the utility model provides an ultrasonic atomization humidifier, include: the device comprises an air ejector, an atomizing cavity shell, an ultrasonic atomizer and a purging pipeline; the ultrasonic atomizer is arranged inside the atomizing cavity shell; one end of the purging pipeline is in fluid communication with a high-pressure air inlet end of the air ejector, and the other end of the purging pipeline is in fluid communication with the atomizing cavity shell; the mist outlet of the atomizing cavity shell is in fluid communication with the inner cavity of the air ejector. The utility model provides an ultrasonic atomization humidifier and fuel cell system has reduced equipment integrated's volume space, has reduced equipment cost, can improve the response speed of humidity when going up and down to carry.

Description

Ultrasonic atomization humidifier and fuel cell system

Technical Field

The utility model belongs to the technical field of the electricity material battery technique and specifically relates to an ultrasonic atomization humidifier and fuel cell system are related to.

Background

The air module of the traditional fuel cell adopts the humidifier to humidify the dry air, however, the humidifier has the defects of high cost, large volume and heavy weight, so that the fuel cell system occupies a large space, and the mass power density of the system is reduced. In addition, when a humidifier is adopted, the pressure drop on the dry side and the wet side is large, and the power consumption of the system is further increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultrasonic atomization humidifier and fuel cell system to alleviate the technical problem that humidifier volume space is big among the prior art, with high costs, can improve the response speed of humidity when the system goes up and down to carry.

In a first aspect, the present invention provides an ultrasonic atomization humidifier, including: the device comprises an air ejector, an atomizing cavity shell, an ultrasonic atomizer and a purging pipeline;

the ultrasonic atomizer is arranged inside the atomizing cavity shell;

one end of the purging pipeline is in fluid communication with a high-pressure air inlet end of the air ejector, and the other end of the purging pipeline is in fluid communication with the atomizing cavity shell;

and a mist outlet of the atomizing cavity shell is in fluid communication with an inner cavity of the air ejector.

With reference to the first aspect, the present disclosure provides a first possible implementation manner of the first aspect, wherein the air ejector has a cone passage and a mixing tube cavity;

one end of the taper pipe channel is communicated with the mixing pipe cavity;

the radial dimension of the taper pipe channel is decreased from one end deviating from the mixing pipe cavity to one end communicated with the mixing pipe cavity;

one end of the taper pipe channel, which is far away from the mixing cavity, is used for being communicated with a high-pressure air inlet pipeline, and the mixing cavity is communicated with a mist outlet of the atomizing cavity shell in a fluid mode.

With reference to the first possible implementation manner of the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein a diameter of one end of the taper pipe channel, which is communicated with the mixing lumen, is smaller than a diameter of the mixing lumen.

With reference to the first possible implementation manner of the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the air ejector has a diffusion pipe, and the diffusion pipe is communicated with the mixing lumen;

the radial dimension of the diffusion conduit increases from an end proximate to the mixing lumen to an end away from the mixing lumen.

In combination with the third possible implementation manner of the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein an end of the diffusion duct, which is away from the mixing lumen, communicates with a mixed gas flow duct.

With reference to the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein the air ejector is further provided with an inclined flow passage;

the inclined flow passage surrounds the axis of the mixing tube cavity, one end of the inclined flow passage is communicated with the mist outlet of the atomizing cavity shell in a fluid mode, and the other end of the inclined flow passage is communicated with the mixing tube cavity in a fluid mode;

from one end communicated with the mist outlet of the atomizing cavity shell to one end communicated with the mixing cavity, the inclined flow channel is inclined towards the direction close to the axis of the mixing cavity.

In combination with the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein a liquid level sensor is installed inside the atomizing chamber shell.

With reference to the sixth possible implementation manner of the first aspect, the present invention provides a seventh possible implementation manner of the first aspect, wherein the atomizing chamber shell is provided with a fluid infusion port, and the fluid infusion port is used for fluid communication with a liquid supply device;

the liquid level sensor and the liquid supply device are respectively connected with a liquid level controller.

In combination with the first aspect, the present invention provides an eighth possible implementation manner of the first aspect, wherein the ultrasonic atomizer is installed in the bottom of the inner cavity of the atomizing cavity shell, and the mist outlet of the atomizing cavity shell is located directly above the ultrasonic atomizer.

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

The embodiment of the utility model provides a following beneficial effect has been brought: the ultrasonic atomizer is arranged inside the atomizing cavity shell, one end of the purging pipeline is communicated with the high-pressure air inlet end of the air ejector in a fluid mode, the other end of the purging pipeline is communicated with the atomizing cavity shell in a fluid mode, a mist outlet of the atomizing cavity shell is communicated with the inner cavity of the air ejector in a fluid mode, high-pressure air flow is guided into the atomizing cavity shell through the purging pipeline, mist in the atomizing cavity shell is guided into the inner cavity of the air ejector, the mist and the high-pressure air can be mixed in the inner cavity of the air ejector, compared with the mode that the air is humidified by the humidifier, the volume space of equipment integration is reduced, equipment cost is reduced, and the response speed of humidity during lifting and carrying can be improved.

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 the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of an ultrasonic atomizing humidifier provided in an embodiment of the present invention;

fig. 2 is a schematic view of an ultrasonic atomizing humidifier according to an embodiment of the present invention.

Icon: 100-an air ejector; 101-a cone channel; 102-a mixing lumen; 103-a diffusion conduit; 104-a mixed gas flow conduit; 105-an inclined flow channel; 200-an atomizing chamber housing; 201-fluid infusion port; 300-ultrasonic atomizer; 400-purge line; 500-a liquid level sensor; 600-sealing ring; 700-a first clip; 800-second clip.

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 is to 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 as a specific case by those skilled in the art.

As shown in fig. 1 and fig. 2, an ultrasonic atomizing humidifier provided by an embodiment of the present invention includes: the device comprises an air ejector 100, an atomizing cavity shell 200, an ultrasonic atomizer 300 and a purging pipeline 400; the ultrasonic atomizer 300 is installed inside the atomizing chamber housing 200; one end of the purge line 400 is in fluid communication with the high pressure inlet end of the air eductor 100, and the other end of the purge line 400 is in fluid communication with the atomizing chamber housing 200; the mist outlet of the atomizing chamber housing 200 is in fluid communication with the internal chamber of the air eductor 100.

Specifically, the supply voltage through regulation and control ultrasonic nebulizer 300 can adjust the liquid drop atomizing volume, and the gaseous state droplet of atomizing gets into the air current mixture in the air ejector 100 through the fog export, compares in adopting the humidifier to carry out the humidification to the air, has reduced equipment integrated volume space, has reduced equipment cost. The purging pipeline 400 can guide air at the high-pressure air inlet end of the air ejector 100 into the atomizing chamber shell 200, so that mist in the atomizing chamber shell 200 is introduced into the inner cavity of the air ejector 100, and the response speed of humidity during load lifting can be improved.

In an embodiment of the present invention, the air eductor 100 has a conical conduit passage 101 and a mixing tube cavity 102; one end of the taper pipe channel 101 is communicated with the mixing pipe cavity 102; the radial dimension of the taper pipe channel 101 decreases from the end away from the mixing cavity 102 to the end communicated with the mixing cavity 102; one end of the taper pipe channel 101, which is away from the mixing cavity 102, is used for communicating with a high-pressure air inlet pipeline, and the mixing cavity 102 is in fluid communication with the mist outlet of the atomizing cavity shell 200.

The aperture of the conical pipe channel 101 is gradually reduced along the airflow direction, so that the airflow velocity inside the conical pipe channel 101 is gradually increased, the impact effect of the airflow entering the mixing pipe cavity 102 is improved, and the mixing efficiency of the mist and the pressurized air in the mixing pipe cavity 102 is improved.

Further, the diameter of one end of the taper pipe passage 101, which is communicated with the mixing cavity 102, is smaller than that of the mixing cavity 102, so that the air pressure of the gas entering the mixing cavity 102 is reduced, the air pressure in the mixing cavity 102 is smaller than that of the high-pressure air inlet end of the air ejector 100, and the high-pressure gas at the high-pressure air inlet end of the air ejector 100 enters the atomizing cavity shell 200 through the purging pipeline 400, so that the mist in the atomizing cavity shell 200 can be pumped into the mixing cavity 102.

It should be noted that a branch joint is arranged at the high-pressure air inlet end of the air ejector 100, an air inlet joint is arranged on the atomizing cavity shell 200, a silicone tube can be adopted as the purging pipeline 400, the branch joint is sleeved at one end of the silicone tube, and the air inlet joint is sleeved at the other end of the silicone tube. In order to ensure that the two ends of the silicone tube are connected in a sealing manner, one end of the silicone tube is locked by the first clamp 700, and the other end of the silicone tube is locked and fixed by the second clamp 800.

As shown in fig. 1, the air ejector 100 has a diffuser pipe 103, and the diffuser pipe 103 communicates with the mixing chamber 102; the radial dimension of diffuser conduit 103 increases from the end proximate to mixing lumen 102 to the end facing away from mixing lumen 102.

The mixed gas is discharged through the diffusion pipeline 103, and the gas diffuses along with the increase of the diameter of the diffusion pipeline 103 in the process, so that the gas flow formed by mixing the mist in the mixing cavity 102 with the air tends to be smooth.

Furthermore, one end of the diffusion pipeline 103, which is far away from the mixing cavity 102, is communicated with the mixed airflow pipeline 104, the diameter of the mixed airflow pipeline 104 is constant along the axial direction of the pipeline, and the mixed airflow flows in the mixed airflow pipeline 104 and is introduced into the galvanic pile, so that the smooth air supply of the galvanic pile can be maintained.

Further, the air ejector 100 is further provided with an inclined flow passage 105; the inclined flow channel 105 surrounds the axis of the mixing cavity 102, one end of the inclined flow channel 105 is in fluid communication with the mist outlet of the atomizing cavity shell 200, and the other end of the inclined flow channel 105 is in fluid communication with the mixing cavity 102; the inclined flow channel 105 is inclined in a direction approaching the axis of the mixing chamber 102 from one end of the mist outlet communicating with the atomizing chamber housing 200 to one end of the mixing chamber 102 communicating therewith.

During operation, the high-pressure air flow is introduced into the atomizing chamber housing 200 through the purge line 400, so as to assist the mist in the atomizing chamber housing 200 to enter the mixing chamber 102. In addition, a negative pressure region is formed inside the mixing chamber 102 compared with the inside of the atomizing chamber shell 200, and both the induced airflow and the mist are introduced into the mixing chamber 102 and mixed in the mixing chamber 102. A bypass valve or an electronic three-way valve can be installed at the joint of the high-pressure air inlet end of the air ejector 100 and the purging pipeline 400 to adjust the air inflow of the atomizing cavity shell 200, so that the mist discharge rate is regulated and controlled, and the quick response requirement of humidity during load lifting is met.

Further, a liquid level sensor 500 is installed inside the atomizing chamber housing 200, and the water level inside the atomizing chamber housing 200 can be monitored by the liquid level sensor 500.

In addition, the atomizing chamber shell 200 is provided with a liquid supplementing port 201, and the liquid supplementing port 201 is used for being communicated with the liquid supply device in a fluid mode; the liquid level sensor 500 and the liquid supply device are connected to a liquid level controller, respectively. The water level inside the atomizing chamber shell 200 is obtained according to the signal of the liquid level sensor 500, and when the water level inside the atomizing chamber shell 200 is lower than a preset liquid level value, the controller controls the liquid supply device to supply water to the inside of the atomizing chamber shell 200 through the liquid supply port 201; when the water level inside the atomizing chamber shell 200 reaches the liquid level requirement, the controller controls the liquid supply device to stop supplying water, so that the liquid level inside the atomizing chamber shell 200 is maintained within a set range, and the ultrasonic atomizer 300 is further ensured to fully play a mist making function.

Further, the ultrasonic atomizer 300 is installed at the bottom of the inner cavity of the atomizing chamber housing 200, and the mist outlet of the atomizing chamber housing 200 is located right above the ultrasonic atomizer 300. The mist generated by the ultrasonic atomizer 300 rises and then smoothly enters the mist outlet, so that the amount of liquefied mist generated by contacting the side wall of the atomizing cavity shell 200 can be reduced, and the effective utilization rate of the mist is further improved.

In order to ensure sealing, a sealing ring 600 is arranged at the joint of the mist pipe joint at the top of the atomizing chamber shell 200 and the air ejector 100.

As shown in fig. 1 and fig. 2, a fuel cell system according to an embodiment of the present invention includes the ultrasonic atomizing humidifier described in the above embodiment.

The embodiment of the utility model provides an in, realized that air ejector 100, atomizing chamber shell 200, ultrasonic atomizer 300 and purge pipeline 400 integrate, reduced the system integration space, compared in the humidifier and realized subtracting heavy, can improve fuel cell system's mass power density. In addition, the air flow channel inside the air ejector 100 is optimized, air flow is provided for the inside of the atomizing cavity shell 200 by the purging pipeline 400, and then the mist is introduced into the inner cavity of the air ejector 100, so that the system pressure drop is reduced, and the system power loss is reduced. The atomization amount can be controlled by adjusting the voltage of the ultrasonic atomizer 300, so that the quick response of the humidity when the system is lifted can be realized, and the system cost is reduced compared with that of a humidifier.

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 and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. An ultrasonic atomizing humidifier, comprising: the device comprises an air ejector (100), an atomizing cavity shell (200), an ultrasonic atomizer (300) and a purging pipeline (400);

the ultrasonic atomizer (300) is arranged inside the atomizing cavity shell (200);

one end of the purging pipeline (400) is in fluid communication with a high-pressure air inlet end of the air ejector (100), and the other end of the purging pipeline (400) is in fluid communication with the atomizing cavity shell (200);

and the mist outlet of the atomizing cavity shell (200) is in fluid communication with the inner cavity of the air ejector (100).

2. The ultrasonic atomizing humidifier according to claim 1, wherein said air eductor (100) has a conical conduit (101) and a mixing lumen (102);

one end of the taper pipe channel (101) is communicated with the mixing cavity (102);

the radial size of the taper pipe channel (101) is decreased from the end away from the mixing cavity (102) to the end communicated with the mixing cavity (102);

one end of the taper pipe channel (101), which is far away from the mixing cavity (102), is used for being communicated with a high-pressure air inlet pipeline, and the mixing cavity (102) is communicated with a mist outlet of the atomizing cavity shell (200) in a fluid mode.

3. The ultrasonic atomizing humidifier according to claim 2, wherein a diameter of an end of said cone channel (101) communicating with said mixing lumen (102) is smaller than a diameter of said mixing lumen (102).

4. The ultrasonic atomizing humidifier according to claim 2, wherein said air eductor (100) has a diffuser conduit (103), said diffuser conduit (103) communicating with said mixing lumen (102);

the radial dimension of the diffuser pipe (103) increases from an end proximal to the mixing lumen (102) to an end distal from the mixing lumen (102).

5. An ultrasonic atomizing humidifier according to claim 4, characterized in that the end of said diffuser pipe (103) facing away from said mixing lumen (102) communicates with a mixed gas flow pipe (104).

6. An ultrasonic atomizing humidifier according to any one of claims 2 to 5, wherein said air ejector (100) is further provided with an inclined flow passage (105);

the inclined flow channel (105) surrounds the axis of the mixing cavity (102), one end of the inclined flow channel (105) is communicated with the mist outlet of the atomizing cavity shell (200) in a fluid mode, and the other end of the inclined flow channel (105) is communicated with the mixing cavity (102) in a fluid mode;

the inclined flow channel (105) inclines towards the direction close to the axis of the mixing cavity (102) from one end communicated with the mist outlet of the atomizing cavity shell (200) to one end communicated with the mixing cavity (102).

7. An ultrasonic atomizing humidifier according to claim 1, wherein said atomizing chamber housing (200) has a liquid level sensor (500) mounted therein.

8. An ultrasonic atomizing humidifier according to claim 7, wherein said atomizing chamber housing (200) is provided with a fluid replenishment port (201), said fluid replenishment port (201) being adapted to be in fluid communication with a liquid supply means;

the liquid level sensor (500) and the liquid supply device are respectively connected with a liquid level controller.

9. The ultrasonic atomizing humidifier according to claim 1, wherein said ultrasonic atomizer (300) is installed at the bottom of the inner cavity of said atomizing chamber housing (200), and the mist outlet of said atomizing chamber housing (200) is located right above said ultrasonic atomizer (300).

10. A fuel cell system comprising the ultrasonic atomizing humidifier according to any one of claims 1 to 9.