CN220041929U - Air inlet device of hydrogen fuel cell automobile - Google Patents
Air inlet device of hydrogen fuel cell automobile Download PDFInfo
- Publication number
- CN220041929U CN220041929U CN202321633543.8U CN202321633543U CN220041929U CN 220041929 U CN220041929 U CN 220041929U CN 202321633543 U CN202321633543 U CN 202321633543U CN 220041929 U CN220041929 U CN 220041929U
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- air inlet
- fuel cell
- ejector
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 67
- 239000001257 hydrogen Substances 0.000 title claims abstract description 67
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000000446 fuel Substances 0.000 title claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000030279 gene silencing Effects 0.000 claims description 19
- 230000003584 silencer Effects 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 20
- 230000009471 action Effects 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract description 6
- 150000002431 hydrogen Chemical class 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000003749 cleanliness Effects 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Abstract
The utility model discloses a hydrogen fuel cell automobile air inlet device, which can enable an air inlet pipe to form a venturi under the action of the combination of a material guide cavity and a cylindrical cavity, and can accelerate the flow rate of hydrogen entering a box body under the action of a rough and thin structure of the air inlet pipe, thereby improving the speed of the hydrogen entering the air inlet device and further improving the hydrogen filling efficiency; the hydrogen can be filtered under the action of the filter component, so that the cleanliness of the hydrogen entering the box body is ensured, and the situation that impurities contained in the hydrogen have certain influence on the hydrogen in the electricity generation process is avoided; through under the effect that first electrode slice and second electrode slice combined together, utilize the effect of electric field adsorption in order to filter the impurity in the hydrogen, and under the effect that first filter and second filter combined together, can be further carry out filtration to the hydrogen to further improvement carries out filterable effect to the hydrogen.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to an air inlet device of a hydrogen fuel cell automobile.
Background
In the process of generating electricity by the hydrogen fuel cell, chemical energy is directly converted into electric energy, the whole process has extremely high energy utilization efficiency, emission is only water, no pollution and noise are generated, the efficiency is high, and great development potential is realized, and an air inlet device is needed in the process of generating electricity by the hydrogen fuel cell.
While some existing air intake devices, such as application number: cn202221052711.X, filing date: 2022-05-05 provides an integrated hydrogen gas inlet device for a fuel cell, belongs to the technical field of fuel cells, and solves the problem that an existing hydrogen gas inlet device is easy to close and lose efficacy to cause damage to a galvanic pile membrane. The device comprises a controller, an airtight upper layer air inlet cavity, an airtight lower layer air inlet cavity, a filter and a stop valve which are arranged at an air inlet of the upper layer air inlet cavity, an ejector arranged in the lower layer air inlet cavity, a direct pile-in pipeline and a first pressure regulating mechanism and a second pressure regulating mechanism arranged between the upper layer air inlet cavity and the lower layer air inlet cavity. The controller is used for monitoring whether the pressure of the hydrogen in the reactor is greater than a limit threshold of the hydrogen in the reactor, if so, the stop valve is closed, and if not, the stop valve is opened; and identifying the operating state of the fuel cell, starting the ejector and regulating and controlling the first pressure regulating and controlling mechanism in the high-power operating state, supplying hydrogen to the fuel cell through the ejector, regulating and controlling the second pressure regulating and controlling mechanism in the low-power operating state, and supplying hydrogen to the fuel cell through the direct-access stack pipeline.
The above-mentioned patent has a certain filtering function for hydrogen, but the effect is poor because the hydrogen is filtered by the filter only, and the hydrogen needs to be lifted.
Disclosure of Invention
The utility model aims to provide the air inlet device of the hydrogen fuel cell automobile, which can further improve the effect of filtering hydrogen, and simultaneously can also improve the speed of entering the air inlet device by hydrogen so as to further improve the efficiency of filling hydrogen and avoid the impurity contained in the hydrogen from affecting the hydrogen to a certain extent in the electricity generating process.
In order to solve the technical problems, the utility model adopts a technical scheme that:
an air intake device of a hydrogen fuel cell automobile comprises
A case;
an air inlet pipe is arranged at the inlet end of the box body, the upper end and the lower end in the inner cavity of the air inlet pipe are respectively provided with a material guide cavity, and the two material guide cavities are communicated through a cylindrical cavity;
a filtering component is arranged in the cylindrical cavity and is used for filtering the hydrogen;
the filter assembly comprises a first electrode plate and a second electrode plate which are respectively fixedly arranged on the upper side and the lower side of the cylindrical cavity, and a first filter plate and a second filter plate are sequentially arranged between the first electrode plate and the second electrode plate from bottom to top;
and a silencer is arranged at the thread of the outlet end of the box body.
According to some embodiments, the first filter plate is a HEPA material and the second filter plate is an activated carbon plate.
According to some embodiments, the guide cavity is tapered.
According to some embodiments, a first silencing pipe body is arranged between the air inlet pipe and the box body, an inlet end of the first silencing pipe body is in threaded connection with an outlet end of the air inlet pipe, and an outlet end of the first silencing pipe body is in threaded connection with an inlet end of the box body.
According to some embodiments, a shut-off valve is disposed within the first muffler pipe body.
According to some embodiments, an air inlet cavity is formed in an inner cavity of the box body, an ejector is arranged at the lower part of the air inlet cavity, a first channel is formed between the ejector and the air inlet cavity, a first pressure regulator is arranged at the first channel, a pile-in pipeline is formed in the ejector, a second channel is formed between the pile-in pipeline and the air inlet cavity, and a second pressure regulator is arranged at the second channel.
According to some embodiments, two sides in the ejector are respectively fixedly provided with a lath, and the two laths are arranged in a staggered manner.
According to some embodiments, the outlet end of the ejector and the outlet end of the pile-in pipeline are both provided with the silencer in a threaded manner, the silencer comprises a second silencing pipe body and a third silencing pipe body, the second silencing pipe body is arranged at the outlet end of the ejector, and the third silencing pipe body is arranged at the outlet end of the pile-in pipeline.
The beneficial effects are that:
1. through the effect that combines together at guide cavity and cylinder chamber, can make the intake pipe form a venturi, simultaneously under the structure effect that this kind of intake pipe is by thick thin, can accelerate the velocity of flow that hydrogen entered into in the box, improved the speed that hydrogen entered into air inlet unit to further promote the efficiency of hydrogen filling.
2. Through the effect under filter component, can carry out filtration treatment to hydrogen to guarantee the cleanliness of entering into the interior hydrogen of box, avoided the impurity that contains in the hydrogen to the hydrogen receive the condition of certain influence to it at the in-process of producing electricity.
3. Through under the effect that first electrode slice and second electrode slice combined together, utilize the effect of electric field adsorption in order to filter the impurity in the hydrogen, and under the effect that first filter and second filter combined together, can be further carry out filtration to the hydrogen to further improvement carries out filterable effect to the hydrogen.
4. Through being provided with the muffler at the exit end screw thread of box for under the effect of muffler, noise that brings when can reducing hydrogen and give vent to anger.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the present utility model 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. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a cross-sectional view of the air inlet tube and filter assembly shown in FIG. 1;
FIG. 3 is a cross-sectional view of the air intake pipe shown in FIG. 2;
fig. 4 is a schematic view of the filter assembly shown in fig. 2.
In the figure, a box body 1, an air inlet cavity 11, an ejector 12, a first channel 13, a first pressure regulator 14, a 15 stacking pipeline 16, a second channel 17, a second pressure regulator 18, a batten 2, an air inlet pipe 21, a material guiding cavity 22, a cylindrical cavity 3, a filter assembly 31, a first electrode plate 32, a second electrode plate 33, a first filter plate 34, a second filter plate 4, a silencer 41, a second silencer pipe body 42, a third silencer pipe body 5, a first silencer pipe body 51 and a stop valve.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 4, an air intake device for a hydrogen fuel cell vehicle includes a housing 1, an air intake pipe 2, a filter assembly 3, and a muffler 4.
The inlet end department of box 1 is provided with intake pipe 2, and guide chamber 21 has been seted up respectively at the upper and lower both ends in the intake pipe 2 inner chamber, switches on mutually through cylindrical chamber 22 between two guide chambers 21 for under the effect that guide chamber 21 and cylindrical chamber 22 combine together, can make the intake pipe form a venturi, under the structural action that this kind of intake pipe is by thick thin, can accelerate the velocity of flow in the hydrogen entering box simultaneously, has improved the speed that hydrogen entered into air inlet unit, with the further efficiency that promotes hydrogen filling.
A filtering component 3 is arranged in the cylindrical cavity 22 and is used for filtering the hydrogen; the filtering component 3 comprises a first electrode plate 31 and a second electrode plate 32 which are respectively and fixedly arranged on the upper side and the lower side of the cylindrical cavity 22, and a first filter plate 33 and a second filter plate 34 are sequentially arranged between the first electrode plate 31 and the second electrode plate 32 from bottom to top, so that under the action of the filtering component 3, hydrogen can be filtered, the cleanliness of the hydrogen entering the box body is ensured, and the condition that impurities contained in the hydrogen have certain influence on the hydrogen in the electricity generating process is avoided; through the effect that combines together under first electrode piece 31 and second electrode piece 32, utilize the effect of electric field adsorption in order to filter the impurity in the hydrogen, and under the effect that first filter 33 and second filter 34 combined together, can be further carry out filtering treatment to the hydrogen to further improvement carries out filterable effect to the hydrogen.
The outlet end screw thread of the box body 1 is provided with the silencer 4, so that noise caused when hydrogen is discharged can be reduced under the action of the silencer.
Further, the first filter plate 33 is made of HEPA material, and the second filter plate 34 is made of activated carbon.
As shown in fig. 1, 2 and 3, the guide chamber 21 has a tapered structure, so that under the effect of such a structure, the cross-sectional area of both ends of the air inlet pipe 2 can be made larger than the cross-sectional area of the middle.
In combination with the illustration of fig. 1, a first silencing pipe body 5 is arranged between the air inlet pipe 2 and the box body 1, the inlet end of the first silencing pipe body 5 is in threaded connection with the outlet end of the air inlet pipe 2, and the outlet end of the first silencing pipe body 5 is in threaded connection with the inlet end of the box body 1, so that the situation that noise occurs in the box body 1 due to the fact that hydrogen enters into the first silencing pipe body 5 can be avoided.
With continued reference to fig. 1, a stop valve 51 is disposed in the first silencer pipe body 5, an air inlet cavity 11 is disposed in an inner cavity of the box body 1, an ejector 12 is disposed at a lower portion of the air inlet cavity 11, a first channel 13 is disposed between the ejector 12 and the air inlet cavity 11, a first pressure regulator 14 is disposed at the first channel 13, a pile inlet pipe 15 is disposed in the ejector 12, a second channel 16 is disposed between the pile inlet pipe 15 and the air inlet cavity 11, and a second pressure regulator 17 is disposed at the second channel 16, and an operating principle of the structure can be described in patent CN 217280873U.
With continued reference to fig. 1, the two sides in the ejector 12 are respectively and fixedly provided with the battens 18, and the two battens 18 are staggered, so that under the combined action of the two battens 18 distributed in a staggered manner, an air flow buffer area is formed, and the condition of overlarge pressure of hydrogen is avoided.
With continued reference to fig. 1, the outlet end of the ejector 12 and the outlet end of the pile-in pipe 15 are both provided with the muffler 4 by screw threads, the muffler 4 includes a second muffler pipe body 41 and a third muffler pipe body 42, the second muffler pipe body 41 is provided at the outlet end of the ejector 12, and the third muffler pipe body 42 is provided at the outlet end of the pile-in pipe 15, so that under the action of the second muffler pipe body 41 and the third muffler pipe body 42, hydrogen can be prevented from flowing out from the outlet end of the ejector 12 or the outlet end of the pile-in pipe 15 to generate larger noise.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (8)
1. A hydrogen fuel cell automotive air intake apparatus, comprising:
a case (1);
an air inlet pipe (2) is arranged at the inlet end of the box body (1), material guide cavities (21) are respectively formed at the upper end and the lower end in the inner cavity of the air inlet pipe (2), and the two material guide cavities (21) are communicated through a cylindrical cavity (22);
a filtering component (3) is arranged in the cylindrical cavity (22) and is used for filtering the hydrogen;
the filter assembly (3) comprises a first electrode plate (31) and a second electrode plate (32) which are respectively fixedly arranged on the upper side and the lower side of the cylindrical cavity (22), and a first filter plate (33) and a second filter plate (34) are sequentially arranged between the first electrode plate (31) and the second electrode plate (32) from bottom to top;
the outlet end thread of the box body (1) is provided with a silencer (4).
2. A hydrogen fuel cell automobile air intake device according to claim 1, wherein: the first filter plate (33) is made of HEPA material, and the second filter plate (34) is an activated carbon plate.
3. A hydrogen fuel cell automobile air intake device according to claim 1, wherein: the material guiding cavity (21) is in a conical structure.
4. A hydrogen fuel cell automobile air intake device according to claim 1, wherein: the novel air inlet pipe is characterized in that a first silencing pipe body (5) is arranged between the air inlet pipe (2) and the box body (1), the inlet end of the first silencing pipe body (5) is in threaded connection with the outlet end of the air inlet pipe (2), and the outlet end of the first silencing pipe body (5) is in threaded connection with the inlet end of the box body (1).
5. A hydrogen fuel cell automobile air intake apparatus according to claim 4, wherein: a stop valve (51) is arranged in the first silencing pipe body (5).
6. A hydrogen fuel cell automobile air intake device according to claim 1, wherein: an air inlet cavity (11) is formed in an inner cavity of the box body (1), an ejector (12) is arranged at the lower part of the air inlet cavity (11), a first channel (13) is formed between the ejector (12) and the air inlet cavity (11), a first pressure regulator (14) is arranged at the first channel (13), a pile-in pipeline (15) is formed in the ejector (12), a second channel (16) is formed between the pile-in pipeline (15) and the air inlet cavity (11), and a second pressure regulator (17) is arranged at the second channel (16).
7. A hydrogen fuel cell automobile air intake apparatus according to claim 6, wherein: two sides in the ejector (12) are respectively fixedly provided with a lath (18), and the two laths (18) are staggered.
8. A hydrogen fuel cell automobile air intake apparatus according to claim 6, wherein: the ejector is characterized in that the outlet end of the ejector (12) and the outlet end of the pile-in pipeline (15) are both provided with the silencer (4) in a threaded mode, the silencer (4) comprises a second silencing pipe body (41) and a third silencing pipe body (42), the second silencing pipe body (41) is arranged at the outlet end of the ejector (12), and the third silencing pipe body (42) is arranged at the outlet end of the pile-in pipeline (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321633543.8U CN220041929U (en) | 2023-06-26 | 2023-06-26 | Air inlet device of hydrogen fuel cell automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321633543.8U CN220041929U (en) | 2023-06-26 | 2023-06-26 | Air inlet device of hydrogen fuel cell automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220041929U true CN220041929U (en) | 2023-11-17 |
Family
ID=88732687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321633543.8U Active CN220041929U (en) | 2023-06-26 | 2023-06-26 | Air inlet device of hydrogen fuel cell automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220041929U (en) |
-
2023
- 2023-06-26 CN CN202321633543.8U patent/CN220041929U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211062794U (en) | Fuel cell hydrogen supply and return ejector device and fuel cell system | |
| CN109411784A (en) | A kind of commercial vehicle fuel battery engines air supply system | |
| CN209029485U (en) | A kind of commercial vehicle fuel battery engines air supply system | |
| CN112635794A (en) | Proton exchange membrane fuel cell hydrogen circulation system and impurity tail discharge control method thereof | |
| CN110600763A (en) | Fuel cell stack gas supply system | |
| CN114784343A (en) | Power generation system using industrial hydrogen-containing waste gas hydrogen fuel cell | |
| CN1291516C (en) | Anode gas circulating system for fuel battery | |
| CN215070070U (en) | Battery anode injection reflux device | |
| CN220041929U (en) | Air inlet device of hydrogen fuel cell automobile | |
| CN108987767A (en) | A kind of fuel cell system and method for more manifold air supplies | |
| CN111244500A (en) | Control system of hydrogen fuel cell automobile power device | |
| CN112002926A (en) | Fuel cell range extender gas supply system and control method | |
| CN218783062U (en) | Air subsystem for fuel cell | |
| CN215869480U (en) | Hydrogen supply circulating device of fuel cell automobile power system | |
| CN1159790C (en) | Fuel cell electricity-generating system containing residual gas self-circulating device | |
| TW201722847A (en) | Hydrogen carbon cleaning method for vehicle | |
| CN202549990U (en) | Device for lowering tail hydrogen concentration of fuel-cell power generation system | |
| CN215496804U (en) | Hydrogen supply system for fuel cell | |
| CN114094136B (en) | Buffer diffusion steam-water separator, laboratory and fuel cell tail gas emission device | |
| CN110492139B (en) | Gas mixing device for hydrogen fuel cell | |
| CN214542297U (en) | Integrated hydrogen supply system of on-vehicle fuel cell | |
| CN213988946U (en) | Device for realizing ventilation of electric pile shell by utilizing tail row of fuel cell and air inlet pressure | |
| CN217589011U (en) | Fuel cell system with hydrogen buffer device | |
| CN1407644A (en) | Diaphragm pump of fuel battery and anodic gas circulating system therewith | |
| CN220227035U (en) | Energy-saving engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |