CN111180763A - Fuel cell filter capable of remarkably improving dehumidification performance and dehumidification filtering method thereof - Google Patents
Fuel cell filter capable of remarkably improving dehumidification performance and dehumidification filtering method thereof Download PDFInfo
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- CN111180763A CN111180763A CN202010035997.XA CN202010035997A CN111180763A CN 111180763 A CN111180763 A CN 111180763A CN 202010035997 A CN202010035997 A CN 202010035997A CN 111180763 A CN111180763 A CN 111180763A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
- H01M8/04171—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal using adsorbents, wicks or hydrophilic material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04223—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
- H01M8/04231—Purging of the reactants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The invention discloses a fuel cell filter capable of remarkably improving dehumidification performance and a dehumidification filtering method thereof.A three-layer coaxial bottle-shaped shell structure of the filter comprises an inner shell, a middle shell and an outer shell from inside to outside in sequence; the inner shell is used for exhausting gas and is provided with a spiral clapboard, a water absorbing material and a harmful gas adsorbing material; the inner side of the middle-layer shell is provided with a spiral ridge process, the upper part of the spiral ridge process is provided with an air inlet, the bottom of the middle-layer shell is provided with a plurality of leaf processes, and the periphery of the inner side of the bottom is provided with a self-cleaning channel; the shell is provided with an air inlet and a sewage draining outlet. The air containing various impurities flows downwards from the spiral channel, so that the impurities and liquid drops perform centrifugal motion and fall on the bottom surface of the middle-wall shell, and the lobe rotates to discharge large-particle impurities and liquid drops out of the self-cleaning channel and out of the drain outlet; and then the air enters the inner shell, is subjected to graded dehumidification and harmful gas absorption and is discharged through the air outlet. The invention solves the problems that the existing air filter has weak self-cleaning performance and can not remove harmful gas harmful to the fuel cell set.
Description
Technical Field
The invention belongs to the technical field of air supply of fuel cells, and relates to a fuel cell filter capable of remarkably improving dehumidification performance and a dehumidification filtering method thereof.
Background
The proton exchange membrane fuel cell is the first choice of the vehicle fuel cell by virtue of various advantages, but the proton exchange membrane fuel cell has extremely high requirements on air during operation, and toxic and harmful substances such as sulfur, carbon monoxide and the like can cause catalyst poisoning and inactivation. In addition, to boost the power of the fuel cell stack, it is necessary to operate the fuel cells at a higher pressure, which is provided by a centrifugal compressor. The centrifugal compressor has the same strict requirement on the sucked air, and the liquid drops and impurities in the air can cause the blades of the air compressor rotating at high speed to generate abnormal vibration and even damage the air compressor when the air compressor is serious, so that the air filter has to effectively block and intercept various liquid drops and impurities in the sucked air, can preferably absorb toxic and harmful gases in the air and strictly and thoroughly filter the air entering the air compressor and the fuel cell stack. In addition, in order to expand the range of use of fuel cell vehicles, a fuel cell vehicle must be moved out of a city and operated normally under conditions of high air humidity, such as in a wet and hot rainforest area, in order to realize a total replacement of existing fuel cell vehicles in the future. The filter element of the air filter of the existing fuel cell vehicle mainly comprises microporous filter paper, non-woven fabric, fiber filter element and the like which are processed by resin, and a composite filter element which combines the filter elements, and impurities in the air are separated by the principles of screening, precipitation, interception and percolation. Although filter elements such as filter paper, woven cloth, fibers and the like operate well in a dry environment, once air is introduced and carries a large amount of liquid drops and impurities, the liquid drops and the impurities are continuously condensed on the fibers of the filter elements to block micropores among the fibers, so that air inlet resistance is greatly increased; meanwhile, the existing air filter has few self-cleaning functions and cannot remove toxic and harmful gases in the air.
Disclosure of Invention
In order to solve the problems that the self-cleaning force of the fuel cell air filter is not strong and harmful gases harmful to a fuel cell pack cannot be removed in the prior art, the invention provides the fuel cell filter capable of remarkably improving the dehumidification performance and the dehumidification filtering method thereof, so that the running range of a fuel cell vehicle is expanded, the fuel cell process of vehicle power is promoted, and the current energy shortage and environmental problems are relieved.
The technical scheme of the invention is as follows:
a fuel cell filter capable of remarkably improving dehumidification performance is characterized in that the air inlet dehumidification filter is of a three-layer coaxial bottle-shaped shell structure and sequentially comprises an inner shell, a middle shell and an outer shell from inside to outside, wherein the inner shell is rotatably connected with the middle shell, the middle shell is rotatably connected with the outer shell, and a double-rotor permanent magnet motor is arranged between the inner shell and the middle shell; the upper parts of the inner shell and the middle shell are both provided with annular chutes, and the annular chutes are internally provided with buckle combination teeth for being combined with the sliding buckles; the inner wall of the inner shell is fixedly connected with a spiral clapboard through a bracket with a gap, and a through hole is arranged on the inner shell below the bracket; a water absorption material is filled between the outer edge of the spiral partition plate and the inner shell, and a harmful gas adsorption material is filled in the inner shell above the water absorption material; a humidity sensor is arranged on the inner side of the bottom of the middle shell; an air inlet is arranged on the middle shell, and an air inlet is arranged on the shell.
Among the above-mentioned technical scheme, annular chute includes annular chute A, annular chute B, and annular chute A establishes on inner shell upper portion, and annular chute B establishes on middle casing upper portion, and annular chute A's position is higher than annular chute B, and annular chute A top is equipped with buckle and combines tooth A, and annular chute B bottom is equipped with buckle and combines tooth B.
In the technical scheme, the bottom of the middle shell is provided with a plurality of lobes, and the periphery of the inner side of the middle shell is provided with a self-cleaning channel; and a sewage draining outlet is formed in the bottom end of the shell.
In the above technical scheme, the inner wall of the middle shell is provided with a spiral ridge protrusion, and the air inlet is positioned on the middle shell at the upper part of the spiral ridge protrusion.
In the technical scheme, the sliding buckles are connected by the servo motor, and the servo motor is controlled by the controller.
A dehumidifying and filtering method for the fuel cell filter with improved dehumidifying performance features that the air containing impurities is sequentially fed in from air inlet and spiral channel in middle casing, the separated casing is fed in the spiral channel in internal casing, and the air flows out of the filter.
Furthermore, in the dehumidification and filtration process, the controller controls the position of the sliding buckle according to the air humidity, and the rotating speed of the inner shell or the middle layer shell is adjusted.
Further, the sliding buckle is located in the middle of the annular sliding groove A and the annular sliding groove B when the air is extremely humid.
Further, the sliding buckle is combined with the buckle combination teeth A when the air is moist.
Further, the slide fastener is combined with the fastener combining teeth B when the air is not humid.
The invention has the beneficial effects that:
(1) the filter is provided with the spiral channel, the water absorbing material and the harmful gas adsorbing material, small particle impurities and liquid drops are filtered by means of the compact porous structure of the water absorbing material and the harmful gas adsorbing material fibers, and the water absorbing material and the harmful gas adsorbing material are compact porous fiber structures, so that high-frequency noise generated when the air compressor runs can be effectively reduced, and the driving experience of a fuel cell vehicle is greatly improved.
(2) The filter disclosed by the invention abandons the traditional filter paper, realizes the combination of rotational flow rough filtration and fiber micropore fine filtration by virtue of the spiral channel, the water absorbing material and the harmful gas absorbing material, integrates various impurity removal modes of centrifugal separation, inertial separation, screening filtration and interception filtration into a whole, has a remarkable filtering effect, can remove components harmful to a fuel cell stack in inlet air, improves the operating environment of the fuel cell stack, and prolongs the service life of the fuel cell stack. Meanwhile, the rotational flow rough filtering section and the grading dehumidification section are coaxially nested, so that the device is compact in structure, small in occupied space and beneficial to installation and use of vehicles.
(3) The filter adopts a dual-rotor permanent magnet motor (consisting of an outer rotor winding 8 and an inner rotor magnet 9) with compact and efficient structure, the middle-layer shell and the inner shell are driven by the dual-rotor permanent magnet motor and can operate respectively or simultaneously, the flow of air in the filter is accelerated, the filtering effect is further improved, meanwhile, the filter has self-cleaning capability, and the working effect of the filter in a harsh environment is further ensured.
(4) When the moisture absorption material absorbs a large amount of moisture, a large amount of water molecules accumulated near the inner wall through hole are sucked by the air which flows at high speed and is relatively dry outside the through hole into the outer spiral channel and then thrown into the middle shell. The process can realize the 'carrying' effect of water molecules from the inner side of the inner shell to the outer side, and prevent the moisture absorption material from being saturated too fast to lose the effect. In addition, the centrifugal action of the inner shell during rotation can generate a 'drying' action on the moisture absorption material, the trend that water molecules move outwards from the inner side of the inner shell is intensified, and the 'carrying' effect is further enhanced.
(5) The gas dehumidification function of the filter is adjustable and controllable graded dehumidification, the gas can be controlled to be accelerated in different spiral channels according to different gas humidity, the water absorption material is prevented from being insufficiently utilized, and meanwhile, the air inlet resistance under different dehumidification requirements is reduced to the greatest extent.
Drawings
FIG. 1 is a schematic diagram of a fuel cell filter with significantly improved dehumidification performance according to the present invention;
FIG. 2 is a schematic view of the bottom surface and lobe operation of the housing of the present invention;
fig. 3 is schematic views of different positions of the sliding buckle of the present invention, fig. 3(a) is a schematic view of the sliding buckle of the present invention at the highest position, fig. 3(b) is a schematic view of the sliding buckle of the present invention at the middle position, and fig. 3(c) is a schematic view of the sliding buckle of the present invention at the lowest position;
FIG. 4 is a schematic view of the air flow path and the contaminant removal process of the filter of the present invention;
FIG. 5 is a diagram of the diffusion routes of water molecules inside and outside the inner shell according to the present invention;
fig. 6 is a flow chart of the operation of a fuel cell filter with significantly improved moisture removal performance according to the present invention.
The device comprises a servo motor 1, a sliding buckle 2, an inner shell 3, an intermediate shell 4, an outer shell 5, an outer bearing group 6, an inner bearing group 7, an outer rotor winding 8, an inner rotor magnet 9, an air inlet 10, an inner wall through hole 11, a spiral ridge 12, a self-cleaning channel 13, a water absorbing material 14, a spiral clapboard 15, an outer shell air inlet 16, a spiral clapboard support 17, a lobe 18, a pollution collecting area 19, a sewage outlet 20, a harmful gas adsorbing material 21, an air outlet 22, a humidity sensor 23, a buckle engaging tooth A24, a buckle engaging tooth B25, an annular sliding chute A26 and an annular sliding chute B27.
Detailed Description
The technical solution of the present invention will be further described with reference to the accompanying drawings, but the scope of the present invention is not limited thereto.
As shown in fig. 1, a fuel cell filter with remarkably improved dehumidification performance comprises a servo motor 1, a sliding buckle 2, an inner shell 3, a middle shell 4, an outer shell 5, an outer bearing set 6, an inner bearing set 7, an outer rotor winding 8, an inner rotor magnet 9, an air inlet 10, an inner wall through hole 11, a spiral ridge 12, a self-cleaning channel 13, a water absorbing material 14, a spiral clapboard 15, an outer shell air inlet and inner cavity 16, a spiral clapboard support 17, a lobe 18, a dirt collecting area 19, a sewage outlet 20, a harmful gas adsorbing material 21, an air outlet 22, a humidity sensor 23, a buckle joint tooth a24, a buckle joint tooth B25, an annular chute a26 and an annular chute B27. The outer rotor winding 8 is connected with an external power supply, and the on-off of the external power supply is controlled by a controller; the servo motor 1 is controlled by a controller, and the humidity sensor 23 is in signal connection with the controller. The water absorbing material 14 and the harmful gas adsorbing material 21 are both of a dense porous fiber structure.
The filter is of a three-layer coaxial bottle-shaped shell structure and sequentially comprises an inner shell 3, a middle shell 4 and an outer shell 5 from inside to outside. Inner shell 3 upper portion is equipped with annular spout A26, and middle casing 4 upper portion is equipped with annular spout B27, and the position of annular spout A26 is higher than annular spout B27, and annular spout A26 top is equipped with buckle combination tooth A24, and annular spout B27 bottom is equipped with buckle combination tooth B25, is the end of slip buckle 2 between annular spout A26 and the annular spout B27, and the top of slip buckle 2 links to each other with servo motor 1 power output shaft. The outer side of the middle part of the inner shell 3 is fixed with the middle shell 4 through an inner bearing group 7, and a gap is reserved between the top end of the middle shell 4 and the inner shell 3; the inside lower extreme of inner shell 3 is equipped with the spiral baffle support 17 of T style of calligraphy, and spiral baffle support 17 upper end links firmly with 3 inner walls of inner shell, and air accessible spiral baffle support 17, has linked firmly spiral baffle 15 on the spiral baffle support 17, and 15 ends of spiral baffle are close to inner shell 3. The inner shell 3 is provided with a plurality of inner wall through holes 11 at the lower part of the fixed connection part of the spiral clapboard support 17. The water absorption material 14 is filled between the outer edge of the spiral partition plate 15 and the inner shell 3, the harmful gas adsorption material 21 is arranged above the water absorption material 14, the harmful gas adsorption material 21 is filled in the inner shell 3 and used for adsorbing harmful gas possibly harmful to the fuel cell stack in the air, and meanwhile, the fine ice crystals and fine impurities can be filtered by the compact porous structure of the harmful gas adsorption material 21.
An inner rotor magnet 9 is embedded on the outer side of the middle part of the inner shell 3, an outer rotor winding 8 is embedded on the inner side of the middle part of the middle shell 4, and the inner rotor magnet 9 is horizontally aligned with the outer rotor winding 8; the inner rotor magnet 9 and the outer rotor winding 8 form a double-rotor permanent magnet motor.
The inner wall of the lower part of the middle shell 4 is provided with a spiral ridge 12, so that a spiral channel is formed in the space between the middle shell 4 and the inner shell 3, and the air is guided to do spiral motion in the downward flowing process, and further, the impurities, ice crystals and liquid drops in the air are centrifugally separated; meanwhile, the spiral ridge 12 can guide the liquid drops condensed on the middle shell 4 and the spiral ridge 12 downwards and towards the bottom of the middle shell 4 during the rotation process. An air inlet 10 is provided in the middle housing 4 above the spiral ridge 12. A humidity sensor 23 is fixed at the middle position of the inner side of the bottom of the middle shell 4, a plurality of lobes 18 (shown in figure 2) vertical to the bottom of the middle shell 4 are processed at the bottom of the middle shell 4, and a plurality of self-cleaning channels 13 are arranged at the periphery of the inner side of the middle shell 4.
The top end of the outer shell 5 is contacted with the inner shell 3, and an opening for the sliding buckle 2 to pass through is arranged at the contact position; the outer shell 5 and the middle shell 4 are fixed through an outer bearing set 6. The lower middle part of the housing 5 is provided with a housing air inlet 16, and this part of the housing is provided with an outward extending duct, which communicates with the outside air. The peripheral space at the bottom of the shell 5 is a dirt collecting area 19 for collecting liquid drops and impurities discharged from the self-cleaning channel 13; a plurality of sewage outlets 20 are processed on the bottom surface of the shell 5 which is positioned right below the sewage collecting area 19 and used for discharging liquid drops and impurities in the sewage collecting area 19.
As shown in fig. 3, the slide fastener 2 of the present embodiment can slide up and down in the annular slide groove a26 and the annular slide groove B27 under the control of the servo motor 1, and the slide fastener 2 can be completely lifted or completely lowered during the sliding process, so as to be engaged with the snap engaging tooth a24 or the snap engaging tooth B25, or can be located at an intermediate position without being engaged with any snap engaging tooth; fig. 3(a) shows the slide fastener in the uppermost position, fig. 3(b) shows the slide fastener in the intermediate position, and fig. 3(c) shows the slide fastener in the lowermost position.
When the air is extremely humid (the relative humidity of the air is more than 80%), the sliding buckle 2 is positioned in the middle position, and the inner shell 3 and the middle layer shell 4 rotate simultaneously after the outer rotor winding 8 is electrified; when the air is moist (the relative humidity of the air is 50% -80%), the sliding buckle 2 is positioned at the highest position, and the middle-layer shell 4 rotates after the outer rotor winding 8 is electrified; when the air is not humid (the relative humidity of the air is less than 50%), the sliding buckle 2 is located at the lowest position, and the inner shell 3 rotates after the outer rotor winding 8 is electrified.
In order to make the content of the present invention more clearly understood, the operation and control method of the present invention will be described in further detail with reference to the accompanying drawings according to the specific embodiments.
As shown in fig. 4, air containing various impurities enters from the air inlet 16 of the outer shell, and under the action of the air compressor, the air moves upwards to enter the air inlet 10 and then downwards to enter the space between the middle shell 4 and the inner shell 3, and the air in the space is guided by the spiral ridge 12 on the middle shell 4 to perform downward spiral flow, at this time, large particle impurities and liquid drops in the air are thrown out by the action of centrifugal force and fall along the wall of the cylinder, and finally fall onto the inner side of the bottom surface of the middle shell 4. The air separated from large particle impurities arrives downwards below the spiral channel and is sucked upwards into the inner shell 3, the air flow direction is sharply deflected from bottom to top in the process, and the deflection process is used for carrying out inertial separation on the large particle impurities in the air. The air entering the inner shell 3 continues to flow upwards in a spiral manner under the guidance of the spiral partition plate 15, at the moment, small particle liquid drops in the air continue to be centrifugally separated and absorbed by the water absorbing material 14, wherein water molecules are diffused outwards from the inner side of the water absorbing material 14 and are entrained by the air outside the through holes when reaching the vicinity of the through holes 11 of the inner wall. The clean air, which then passes through the noxious gas-adsorbing material 21, is absorbed by the noxious gas and intercepts the small-diameter particulate matter, flows upward out of the air outlet 22, and into the air compressor and the fuel cell, as shown in fig. 5. Impurities and liquid drops separated from the air in the spiral channel on the inner side of the middle layer shell 4 fall to the bottom of the middle layer shell 4, the outer rotor winding 8 is electrified, the middle layer shell 4 rotates, the lobes 18 on the bottom of the shell also rotate (figure 2), the rotating lobes 18 generate centrifugal force on the accumulated impurities, the impurities are thrown to the periphery of the bottom of the shell, and then the impurities are discharged from the self-cleaning channel 13 and fall to the shell dirt collecting area 19, and then the impurities flow out from the drain outlet 20 on the bottom of the shell 5, so that the self-cleaning of the filter is realized, and the separated impurities are prevented from being sucked by the air again.
As shown in fig. 6, the humidity sensor 23 measures the humidity of the air and transmits the measured humidity to the controller, and the controller adjusts the rotation speed of the inner shell 3 and the middle shell 4 according to the humidity of the air (as in the prior art). When the air is extremely humid, the controller controls the servo motor 1 to drive the sliding buckle 2 to move to the middle position, the inner shell 3 and the middle layer shell 4 rotate freely, and the rotating speed of the inner shell 3 and the middle layer shell 4 increases along with the increase of the air humidity. When the air is moist, the controller controls the servo motor 1 to drive the sliding buckle 2 to move, the sliding buckle is connected with the buckle combination teeth A24, the inner shell 3 is limited, only the middle layer shell 4 rotates, and the rotating speed of the middle layer shell 4 is increased along with the increase of the air humidity. When the air is not too humid, the controller controls the servo motor 1 to drive the sliding buckle 2 to move to be engaged with the buckle engaging teeth B25, the middle shell 4 is limited, only the inner shell 3 rotates, and the rotating speed of the inner shell 3 increases with the increase of the air humidity.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, as will be appreciated by those skilled in the art, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments.
Claims (10)
1. A fuel cell filter capable of remarkably improving dehumidification performance is characterized in that the air inlet dehumidification filter is of a three-layer coaxial bottle-shaped shell structure and sequentially comprises an inner shell (3), a middle shell (4) and an outer shell (5) from inside to outside, the inner shell (3) is rotatably connected with the middle shell (4), the middle shell (4) is rotatably connected with the outer shell (5), and a double-rotor permanent magnet motor is arranged between the inner shell (3) and the middle shell (4); the upper parts of the inner shell (3) and the middle shell (4) are respectively provided with an annular chute, and the annular chutes are internally provided with buckle combination teeth for being combined with the sliding buckles (2); the inner wall of the inner shell (3) is fixedly connected with a spiral clapboard (15) through a bracket (17) with a gap, and a through hole (11) is arranged on the inner shell (3) below the bracket (17); a water absorbing material (14) is filled between the outer edge of the spiral partition plate (15) and the inner shell (3), and a harmful gas adsorbing material (21) is filled in the inner shell (3) above the water absorbing material (14); a humidity sensor (23) is arranged on the inner side of the bottom of the middle shell (4); an air inlet (10) is arranged on the middle shell (4), and an air inlet (16) is arranged on the shell (5).
2. The fuel cell filter for remarkably improving dehumidification performance according to claim 1, wherein the annular sliding groove comprises an annular sliding groove A (26) and an annular sliding groove B (27), the annular sliding groove A (26) is arranged at the upper part of the inner shell (3), the annular sliding groove B (27) is arranged at the upper part of the middle shell (4), the position of the annular sliding groove A (26) is higher than that of the annular sliding groove B (27), the top of the annular sliding groove A (26) is provided with a snap-fit engaging tooth A (24), and the bottom of the annular sliding groove B (27) is provided with a snap-fit engaging tooth B (25).
3. The fuel cell filter for remarkably improving the dehumidifying performance as claimed in claim 1, wherein the bottom of the middle case (4) is provided with a plurality of lobes (18), and the inner periphery of the middle case (4) is provided with a self-cleaning channel (13); a sewage draining outlet (20) is arranged at the bottom end of the shell (5).
4. The fuel cell filter with the remarkably improved dehumidifying performance as claimed in claim 1, wherein the middle case (4) is provided on an inner wall thereof with a spiral ridge (12), and the air inlet (10) is provided on the middle case (4) above the spiral ridge (12).
5. The fuel cell filter with the remarkably improved dehumidifying performance as claimed in claim 1, wherein the slide fastener (2) is connected by a servo motor (1), and the servo motor (1) is controlled by a controller.
6. A dehumidification filtering method for a fuel cell filter with significantly improved dehumidification performance according to any one of claims 1 to 5, wherein air containing various impurities enters from the air inlet (16) and the spiral channel inside the middle housing (4) in sequence, and the separated housing enters the spiral channel inside the inner housing (3) and finally flows out of the filter.
7. The dehumidification filtering method according to claim 6, wherein the controller controls the position of the sliding buckle (2) according to the air humidity during the dehumidification filtering process to adjust the rotation speed of the inner shell (3) or the middle layer shell (4).
8. The dehumidification filtering method according to claim 6, wherein the sliding buckle (2) is located at a middle position of the annular chute A (26) and the annular chute B (27) when the air is extremely humid.
9. The dehumidification filtering method according to claim 6, wherein the sliding buckle (2) is combined with the buckle combination tooth A (24) when the air is humid.
10. The dehumidification filtering method according to claim 6, wherein the slide fastener (2) is engaged with the fastener engaging teeth B (25) when the air is not humid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010035997.XA CN111180763B (en) | 2020-01-14 | 2020-01-14 | Fuel cell filter capable of remarkably improving dehumidification performance and dehumidification filtering method thereof |
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| CN202010035997.XA CN111180763B (en) | 2020-01-14 | 2020-01-14 | Fuel cell filter capable of remarkably improving dehumidification performance and dehumidification filtering method thereof |
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| CN111180763A true CN111180763A (en) | 2020-05-19 |
| CN111180763B CN111180763B (en) | 2021-02-12 |
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| CN112909359A (en) * | 2021-01-25 | 2021-06-04 | 北京理工大学 | Automatic filtering and compressing device for reaction product of magnesium fuel cell |
| CN112909359B (en) * | 2021-01-25 | 2022-03-01 | 北京理工大学 | Automatic filtering and compressing device for reaction product of magnesium fuel cell |
| CN114497639A (en) * | 2021-12-24 | 2022-05-13 | 重庆明天氢能科技有限公司 | Method for improving insulation resistance of fuel cell system |
| CN114497639B (en) * | 2021-12-24 | 2023-10-20 | 重庆明天氢能科技有限公司 | Method for improving insulation resistance of fuel cell system |
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