CN221034011U - Miniature hydrogen valve of low-power galvanic pile - Google Patents
Miniature hydrogen valve of low-power galvanic pile Download PDFInfo
- Publication number
- CN221034011U CN221034011U CN202322629887.8U CN202322629887U CN221034011U CN 221034011 U CN221034011 U CN 221034011U CN 202322629887 U CN202322629887 U CN 202322629887U CN 221034011 U CN221034011 U CN 221034011U
- Authority
- CN
- China
- Prior art keywords
- armature
- shell
- sleeve
- nozzle
- galvanic pile
- 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.)
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 31
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 31
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 abstract description 13
- 239000000446 fuel Substances 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009466 transformation Effects 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
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to the technical field of electromagnetic valves, in particular to a miniature hydrogen discharge valve of a low-power galvanic pile; the device comprises a shell, wherein the sleeve is arranged below the inside of the shell and is communicated with an air inlet arranged at the top of the shell; the coil rack is sleeved on the armature outer ring; a first runner is arranged from the air inlet to the sleeve and the armature; the spring is arranged between the sleeve and the armature, and upwards abuts against the armature to seal the bottom of the nozzle, and is isolated from communication between the first flow passage and the nozzle, so that the O-shaped ring sealing mode can be effectively reduced, and damage caused by air leakage risk outside hydrogen is effectively avoided. Meanwhile, the weight of the electromagnetic valve is obviously reduced, the volume is reduced, and the fuel cell stack is more beneficial to use. And secondly, the improvement of the gas flow passage reduces the processing difficulty. Finally, the two ends of the air inlet and the air outlet can be provided with adapters of different types, and the adaptability is high.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to a miniature hydrogen discharging valve of a low-power galvanic pile.
Background
Along with the continuous increase of the awareness of the environment protection in China, the development of new energy is delayed, new energy automobiles are considered as important links of energy transformation, and proton exchange membrane fuel cell automobiles are considered as the most mature representatives of the new energy automobiles at present. The device generates electric energy by chemical reaction of hydrogen and oxygen in air, thereby pushing the automobile to advance, and has a series of advantages of simple structure, no pollution to the atmosphere, energy saving, high efficiency and the like.
In the existing fuel cell system, a hydrogen circulation system is an important unit of a fuel cell power module and is used for conveying hydrogen to a fuel cell stack and purifying and recycling hydrogen tail gas. As the electrochemical reaction proceeds, more and more water vapor is generated and nitrogen permeates from the cathode to the anode through the proton exchange membrane, resulting in a decrease in hydrogen concentration, and a decrease in the reaction rate of the electric reactor to a certain extent, so that it is necessary to discharge the mixed gas (impurity nitrogen and water vapor) through the hydrogen discharge valve to increase the hydrogen concentration.
The hydrogen discharge valve in the prior art adopts a plurality of O-shaped rings for sealing, so that the risk of hydrogen leakage cannot be effectively reduced, and meanwhile, the weight and the volume are too large, so that the fuel cell stack is not beneficial to use. Secondly, the difficulty of valve seat form machining is too high. Finally, the adapters of different types cannot be assembled, so that the adaptability is not strong.
Disclosure of utility model
The utility model aims to provide a miniature hydrogen discharging valve of a low-power galvanic pile aiming at the defects in the prior art, so that the sealing mode of an O-shaped ring can be effectively reduced, and the damage caused by the air leakage risk outside hydrogen is effectively avoided. Meanwhile, the weight of the electromagnetic valve is obviously reduced, the volume is reduced, and the fuel cell stack is more beneficial to use. And secondly, the improvement of the gas flow passage reduces the processing difficulty. Finally, the two ends of the air inlet and the air outlet can be provided with adapters of different types, and the adaptability is high.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The miniature hydrogen discharging valve of the low-power galvanic pile comprises a shell, wherein a nozzle, an armature, a sleeve, a coil rack and a spring are arranged in the shell; the nozzle is arranged at the lower end of the air outlet and is communicated with the air outlet, and the air outlet is arranged at the top of the shell; the sleeve is arranged below the inside of the shell and is communicated with an air inlet arranged at the top of the shell; the coil rack is sleeved on the armature outer ring; a first runner is arranged from the air inlet to the sleeve and the armature; the spring is arranged between the sleeve and the armature, and is propped against the armature upwards to seal the bottom of the nozzle, and the communication between the first flow passage and the nozzle is isolated.
Further, the top end of the first flow passage extends outwards to be communicated with a branched second flow passage.
Further, the branched second flow channels are distributed circumferentially around the top end of the first flow channel at intervals of 90 degrees.
Further, the diameter of the first flow channel is 2.5mm.
Further, the diameter of the branched second flow passage is 1.3mm.
Further, the diameter of the flow passage hole inside the nozzle is 1.3mm.
Further, the sleeve is locked with the shell through threads.
The device comprises a shell, wherein a nozzle, an armature, a sleeve, a coil rack and a spring are arranged in the shell; the nozzle is arranged at the lower end of the air outlet and is communicated with the air outlet, and the air outlet is arranged at the top of the shell; the sleeve is arranged below the inside of the shell and is communicated with an air inlet arranged at the top of the shell; the coil rack is sleeved on the armature outer ring; a first runner is arranged from the air inlet to the sleeve and the armature; the spring is arranged between the sleeve and the armature, and upwards abuts against the armature to seal the bottom of the nozzle, and isolates the communicated structure between the first flow passage and the nozzle, so that the O-shaped ring sealing mode can be effectively reduced, and damage caused by air leakage risk outside hydrogen is effectively avoided. Meanwhile, the weight of the electromagnetic valve is obviously reduced, the volume is reduced, and the fuel cell stack is more beneficial to use. And secondly, the improvement of the gas flow passage reduces the processing difficulty. Finally, the two ends of the air inlet and the air outlet can be provided with adapters of different types, and the adaptability is high.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a cross-sectional view of a micro hydrogen discharge valve of a small power cell stack in an embodiment of the invention;
FIG. 2 is a schematic diagram of a micro hydrogen discharge valve of a small power cell stack according to an embodiment of the present invention;
FIG. 3 is a schematic view of a first flow channel and a bifurcated second flow channel in an embodiment of the invention;
FIG. 4 is a top view of a bifurcated second flow channel in accordance with an embodiment of the present invention;
Reference numerals: nozzle 1, armature 2, sleeve 3, coil former 4, spring 5, casing 6, gas outlet 7, gas inlet 8, first runner 9, bifurcation second runner 9-1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be 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 utility model.
The miniature hydrogen discharging valve of the low-power galvanic pile, as shown in figure 1, comprises a shell 6, wherein a nozzle 1, an armature 2, a sleeve 3, a coil rack 4 and a spring 5 are arranged in the shell 6; the nozzle 1 is arranged at the lower end of the air outlet 7 and is communicated with the air outlet 7, and the air outlet 7 is arranged at the top of the shell 6; the sleeve 3 is arranged below the inside of the shell 6 and is communicated with an air inlet 8 arranged at the top of the shell 6; the coil rack 4 is sleeved on the outer ring of the armature 2; a first flow passage 9 is arranged from the air inlet 8 to the sleeve 3 and the armature 2; the spring 5 is arranged between the sleeve 3 and the armature 2, and abuts against the armature 2 upwards to close the bottom of the nozzle 1, and isolates the communication between the first flow passage 9 and the nozzle 1.
Specifically, when the hydrogen discharging valve works, gas enters from the gas inlet 8 at the top of the shell 6, stops after passing through the gas inlet 8 to the sleeve 3 and the armature 2, and is electrified to generate electromagnetic force through the coil frame 4, so that the armature 2 is driven to move downwards, the gas enters the communicated nozzle 2 from the first flow channel 9 and is sprayed out to the gas outlet 7 from the hole in the nozzle 2, the discharge of the mixed gas is completed, when the hydrogen discharging valve is closed, the coil frame 4 is powered off to cause electromagnetic force to disappear, the armature 2 is reset to the bottom position of the initial closed nozzle 1 due to the spring 5, and the isolation and the closing between the first flow channel 9 and the nozzle 1 are completed. The two ends of the air inlet 8 and the air outlet 7 can be provided with adapters of different types, so that the overall suitability of the hydrogen discharge valve is improved.
As a preferable example of the above embodiment, as shown in fig. 1, the top end of the first flow channel 9 is provided with a branched second flow channel 9-1 extending outward and communicating with each other.
Specifically, the structure that the branched second flow channel 9-1 is arranged by extending and communicating the top end of the first flow channel 9 to the outside is used for better isolating and sealing the branched second flow channel 9-1, namely, the first flow channel 9 and the nozzle 1 when the armature 2 is reset to the bottom position of the initial sealing nozzle 1 due to the spring 5.
As a preferred embodiment, as shown in fig. 1, the number of the branched second flow passages 9-1 is four, and the branched second flow passages are circumferentially distributed around the top end of the first flow passage 9 at intervals of 90 degrees.
Specifically, the four branched second flow passages 9-1 are circumferentially distributed around the top end of the first flow passage 9 at intervals of 90 degrees, so that the pressure loss is reduced while the circulation capacity is enhanced.
As a preferred embodiment, the diameter of the first flow channel 9 is 2.5mm as shown in fig. 1.
As a preference for the above embodiment, as shown in FIG. 1, the bifurcated second flow channel 9-1 has a diameter of 1.3mm.
As a preferable example of the above embodiment, as shown in fig. 1, the diameter of the flow passage hole inside the nozzle 1 is 1.3mm.
Specifically, the structure that the diameter of the first runner 9 is 2.5mm, the diameter of the branched second runner 9-1 is 1.3mm and the diameter of the runner hole in the nozzle 1 is 1.3mm is adopted for the low-power galvanic pile.
As a preference to the above embodiment, as shown in fig. 1, the sleeve 3 is screwed with the housing 6.
The foregoing has outlined and described the basic principles, features, and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A miniature hydrogen valve of low-power galvanic pile, its characterized in that:
the electromagnetic valve comprises a shell (6), wherein a nozzle (1), an armature (2), a sleeve (3), a coil rack (4) and a spring (5) are arranged in the shell (6);
The nozzle (1) is arranged at the lower end of the air outlet (7) and is communicated with the air outlet (7), and the air outlet (7) is arranged at the top of the shell (6);
The sleeve (3) is arranged below the inside of the shell (6) and is communicated with an air inlet (8) arranged at the top of the shell (6);
The coil rack (4) is sleeved on the outer ring of the armature (2);
A first runner (9) is arranged from the air inlet (8) to the sleeve (3) and the armature (2);
The spring (5) is arranged between the sleeve (3) and the armature (2), and is propped against the armature (2) upwards to close the bottom of the nozzle (1), and is used for isolating the communication between the first flow passage (9) and the nozzle (1).
2. The miniature hydrogen discharging valve of the low-power galvanic pile according to claim 1, wherein the top end of the first runner (9) is provided with a branched second runner (9-1) in an outward extending and communicating manner.
3. The miniature hydrogen discharging valve for a low-power galvanic pile according to claim 2, characterized in that the number of the branched second flow passages (9-1) is four, and the branched second flow passages are circumferentially distributed every 90 degrees around the top end of the first flow passage (9).
4. A micro hydrogen discharge valve for a low power galvanic pile according to claim 3, characterized in that the diameter of the first flow channel (9) is 2.5mm.
5. The micro hydrogen discharge valve of a low power galvanic pile according to claim 4, characterized in that the diameter of the bifurcated second flow channel (9-1) is 1.3mm.
6. The micro hydrogen discharging valve for the low power electric pile according to claim 5, wherein the diameter of the inner runner hole of the nozzle (1) is 1.3mm.
7. The micro hydrogen discharge valve of the low power galvanic pile according to claim 1, characterized in that the sleeve (3) is screwed with the housing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322629887.8U CN221034011U (en) | 2023-09-27 | 2023-09-27 | Miniature hydrogen valve of low-power galvanic pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322629887.8U CN221034011U (en) | 2023-09-27 | 2023-09-27 | Miniature hydrogen valve of low-power galvanic pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221034011U true CN221034011U (en) | 2024-05-28 |
Family
ID=91183224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322629887.8U Active CN221034011U (en) | 2023-09-27 | 2023-09-27 | Miniature hydrogen valve of low-power galvanic pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221034011U (en) |
-
2023
- 2023-09-27 CN CN202322629887.8U patent/CN221034011U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |