CN219759629U - Gas control mechanism, hydrogen supply system, and fuel cell system - Google Patents
Gas control mechanism, hydrogen supply system, and fuel cell system Download PDFInfo
- Publication number
- CN219759629U CN219759629U CN202320391087.4U CN202320391087U CN219759629U CN 219759629 U CN219759629 U CN 219759629U CN 202320391087 U CN202320391087 U CN 202320391087U CN 219759629 U CN219759629 U CN 219759629U
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- valve core
- air outlet
- valve
- gas
- control mechanism
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- 239000007789 gas Substances 0.000 title claims abstract description 62
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000000446 fuel Substances 0.000 title claims abstract description 11
- 239000001257 hydrogen Substances 0.000 title abstract description 21
- 229910052739 hydrogen Inorganic materials 0.000 title abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000009792 diffusion process Methods 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 230000005489 elastic deformation Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 13
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Fuel Cell (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model provides a gas control mechanism, a hydrogen supply system and a fuel cell system, and relates to the technical field of fuel cell systems. The gas control mechanism comprises a flow control valve and an ejector shell, wherein the flow control valve comprises a valve body, a valve core and a valve core control assembly, the valve body is provided with an air inlet, an air outlet and a channel communicated with the air inlet and the air outlet, the valve core is arranged in the channel, the valve core control assembly is in transmission connection with the valve core, and the valve core control assembly is used for adjusting the position of the valve core in the channel so as to adjust the effective flow sectional area between the air inlet and the air outlet; the ejector shell is connected with the valve body and is provided with an ejection cavity communicated with the air outlet, and the ejector shell is also provided with a secondary flow inlet which is communicated with the ejection cavity. The gas control mechanism provided by the utility model relieves the technical problems that in the prior art, the flow control valve and the nozzle can only ensure the requirement of a high power point or a low power point in a pipeline communication mode, and the requirements of two working conditions cannot be met.
Description
Technical Field
The present utility model relates to the technical field of fuel cell systems, and in particular, to a gas control mechanism, a hydrogen supply system, and a fuel cell system.
Background
In the prior art, a flow control valve in a hydrogen supply system and an ejector are arranged in series. The ejector comprises an ejector shell and a nozzle which are mutually communicated, and an outlet of the flow control valve is communicated with the nozzle through a pipeline. At different power points, the opening of the valve core of the flow control valve needs to be controlled, and the effective flow sectional area is changed to adjust the hydrogen flow required by the hydrogen supply system.
At low power points, throttling occurs at the flow control valve, the cross-sectional area of the connecting pipeline between the flow control valve and the nozzle in the ejector is greatly changed, and the distance is long, so that the pressure loss is large. At high power points, throttling occurs at the nozzle and thus the pressure loss in the pipeline will be small. When the ejector is designed, the small nozzle can enable the flow with smaller throttling position to be generated at the nozzle, which is beneficial to the operation of the low-flow working condition, but the flow is insufficient due to the throttling of the nozzle under the high-flow working condition, so that the design requirement is not met; the large nozzle is at the high-flow operating point, throttling is also generated at the nozzle along Cheng Yasun, meanwhile, the flow requirement can be met, and when the large nozzle operates under the low-flow operating point, throttling is generated at the flow control valve, the along-path pressure loss is large, and the performance deviation is caused. Therefore, in the prior art, the flow control valve and the nozzle are communicated through the pipeline, so that the requirements of a high power point or a low power point can be only ensured, and the requirements of two working conditions can not be met.
Disclosure of Invention
The utility model aims to provide a gas control mechanism, a hydrogen supply system and a fuel cell system, so as to relieve the requirement that a flow control valve and a nozzle in the prior art can only ensure a high power point or a low power point in a pipeline communication mode, and the requirements of two working conditions cannot be met.
In a first aspect, the present utility model provides a gas control mechanism comprising:
the flow control valve comprises a valve body, a valve core and a valve core control assembly, wherein the valve body is provided with an air inlet, an air outlet and a channel for communicating the air inlet with the air outlet, the valve core is arranged in the channel, the valve core control assembly is in transmission connection with the valve core, and the valve core control assembly is used for adjusting the position of the valve core in the channel so as to adjust the effective flow sectional area between the air inlet and the air outlet;
the ejector shell is connected with the valve body and is provided with an ejection cavity communicated with the air outlet, and the ejector shell is also provided with a secondary flow inlet which is communicated with the ejection cavity.
Optionally, the axis of the air outlet coincides with the axis of the channel, and the axis of the air inlet is perpendicular to the axis of the channel.
Optionally, the valve core includes:
the diameter of the guide part is smaller than that of the channel and larger than that of the air outlet;
the adjusting part is arranged at one end of the guide part, and gradually reduces the diameter from one end close to the guide part to one end far away from the guide part, and the effective flow cross section between the air inlet and the air outlet is adjusted by adjusting the length of the adjusting part extending into the air outlet;
when the guide part is abutted with the end face provided with the air outlet, the valve core seals the air outlet.
Optionally, a first sealing element is arranged between the end surface of the guide part, which is close to the air outlet, and the inner wall of the channel.
Optionally, the valve body includes a first connection portion, and the air inlet and the air outlet are both disposed on the first connection portion;
the ejector shell comprises a second connecting part, the second connecting part is sleeved on the outer peripheral wall of the first connecting part, and a primary inflow port communicated with the air inlet is arranged.
Optionally, a second sealing element is arranged between the first connecting part and the second connecting part.
Optionally, the valve core control assembly includes an elastic member, and the elastic member is disposed at one end of the valve core away from the air outlet, and is respectively abutted with the valve core and the valve body;
and the electromagnetic coil is sleeved on the periphery of the elastic piece, when the electromagnetic coil is electrified, the valve core moves towards the direction away from the air outlet, and the elastic piece generates elastic deformation.
Optionally, the injection cavity comprises a receiving chamber, a mixing chamber and a diffusion chamber which are communicated with each other, the mixing chamber is positioned between the receiving chamber and the diffusion chamber, the receiving chamber is respectively communicated with the air outlet and the secondary flow inlet, and the diffusion chamber is communicated with the outside of the injector shell;
the diameter of the mixing chamber is smaller than that of the receiving chamber, and the diameter of the diffusion chamber gradually increases from the end connected with the mixing chamber to the end far away from the mixing chamber.
In a second aspect, the present utility model provides a hydrogen supply system comprising the gas control mechanism described above.
In a third aspect, the present utility model provides a fuel cell system comprising the hydrogen supply system described above.
The utility model provides a gas control mechanism which comprises a flow control valve and an ejector shell, wherein the flow control valve comprises a valve body, a valve core and a valve core control assembly, the valve body is provided with an air inlet, an air outlet and a channel for communicating the air inlet and the air outlet, the valve core is arranged in the channel, the valve core control assembly is in transmission connection with the valve core, and the valve core control assembly is used for adjusting the position of the valve core in the channel so as to adjust the effective flow sectional area between the air inlet and the air outlet; the ejector shell is connected with the valve body and is provided with an ejection cavity communicated with the air outlet, and the ejector shell is also provided with a secondary flow inlet which is communicated with the ejection cavity. The air inlet is used for enabling air to enter the flow control valve, the air is discharged from the air outlet and enters the injection cavity, and the secondary flow inlet is used for enabling circulating backflow air to enter the injection cavity. When different power points are used, the valve core control assembly adjusts the position of the valve core in the channel, so that the effective flow cross section area between the air inlet and the air outlet is adjusted, and the flow of gas is adjusted.
Compared with the prior art, the gas control mechanism provided by the utility model integrates the flow control valve and the ejector shell together, a nozzle and a pipeline between the flow control valve and the nozzle are omitted, throttling at the nozzle is avoided, the distance between the flow control valve and the ejector shell is reduced, and edge loss can be reduced, so that the gas control mechanism provided by the utility model can be suitable for more power points.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
Fig. 1 is a cross-sectional view of a gas control mechanism provided in an embodiment of the present utility model.
Icon: 100-flow control valve; 110-valve body; 111-a first connection; 120-valve core; 121-a guide; 122-an adjusting part; 123-a first seal; 130-a spool control assembly; 131-an elastic member; 132-electromagnetic coils; 200-an ejector housing; 210-an ejection chamber; 211-secondary flow inlet; 212-a receiving chamber; 213-mixing chamber; 214-a diffuser; 220-a second connection; 221-primary inflow port; 222-a second seal; 310-air inlet; 320-outlet; 330-channel.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in 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 referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, a gas control mechanism provided in an embodiment of the present utility model includes: the flow control valve 100 and the ejector shell 200, the flow control valve 100 comprises a valve body 110, a valve core 120 and a valve core control assembly 130, the valve body 110 is provided with an air inlet 310, an air outlet 320 and a channel 330 for communicating the air inlet 310 and the air outlet 320, the valve core 120 is arranged in the channel 330, the valve core control assembly 130 is in transmission connection with the valve core 120, and the valve core control assembly 130 is used for adjusting the position of the valve core 120 in the channel 330 so as to adjust the effective flow cross section between the air inlet 310 and the air outlet 320; the ejector housing 200 is connected with the valve body 110 and is provided with an ejector cavity 210 communicated with the air outlet 320, the ejector housing 200 is also provided with a secondary flow inlet 211, and the secondary flow inlet 211 is communicated with the ejector cavity 210.
The gas control mechanism provided by the embodiment of the utility model is used for controlling air, hydrogen or the like, and the embodiment is described by taking hydrogen control as an example.
The gas inlet 310 is used for hydrogen to enter the flow control valve 100, hydrogen is discharged from the gas outlet 320 and enters the injection cavity 210, and the secondary gas inlet 211 is used for circulating reflux gas to enter the injection cavity 210. At different power points, the valve core control assembly 130 adjusts the position of the valve core 120 in the channel 330, thereby adjusting the effective flow cross-sectional area between the air inlet 310 and the air outlet 320, and further realizing the adjustment of the flow rate of hydrogen.
Compared with the prior art, the gas control mechanism provided by the embodiment of the utility model integrates the flow control valve 100 with the ejector shell 200, a nozzle and a pipeline between the flow control valve 100 and the nozzle are omitted, throttling at the nozzle is avoided, the distance between the flow control valve 100 and the ejector shell 200 is reduced, and edge loss can be reduced, so that the gas control mechanism provided by the embodiment of the utility model can be suitable for more power points.
In one embodiment of the utility model, the axis of the air outlet 320 coincides with the axis of the channel 330, and the axis of the air inlet 310 is perpendicular to the axis of the channel 330. Specifically, the passage 330 extends along the length of the valve body 110, and the intake port 310 extends in the radial direction of the passage 330 and communicates with the outside of the valve body 110 and the passage 330, respectively. The air outlet 320 is disposed at one end of the valve body 110 and is communicated with the channel 330, the ejector housing 200 is mounted at one end of the valve body 110 where the air outlet is disposed, and the ejector cavity 210 is communicated with the air outlet 320. The air outlet 320 is arranged at one end of the valve body 110, so that the communication between the injection cavity 210 and the air outlet 320 is conveniently realized.
In one embodiment of the present utility model, as shown in fig. 1, the valve core 120 includes a guide part 121 and an adjustment part 122, the cross section of the guide part 121 and the cross section of the adjustment part 122 are both circular, and the diameter of the guide part 121 is smaller than the diameter of the passage 330 and larger than the diameter of the air outlet 320; the adjusting portion 122 is mounted at one end of the guiding portion 121 from one end close to the guiding portion 121 to one end far from the guiding portion 121, the diameter of the adjusting portion 122 is gradually reduced, and the diameter of the adjusting portion 122 at one end close to the guiding portion 121 is slightly smaller than the diameter of the air outlet 320. By adjusting the length of the adjusting part 122 extending into the air outlet 320, the effective flow cross-sectional area between the air inlet 310 and the air outlet 320 is adjusted, and when the guide part 121 abuts against the end surface where the air outlet 320 is provided, the valve core 120 seals the air outlet 320.
When the flow rate of the hydrogen gas to be introduced increases, the valve core 120 is moved to the left as shown in fig. 1, so that the end of the adjusting portion 122 having the larger diameter moves in a direction away from the gas outlet 320, and the gap between the outer peripheral wall of the adjusting portion 122 and the inner wall of the gas outlet 320 increases, thereby increasing the effective flow cross-sectional area between the gas inlet 310 and the gas outlet 320. When the flow rate of the hydrogen gas to be introduced decreases, the regulating valve core 120 moves to the right as shown in fig. 1, so that the end of the regulating portion 122 having the larger diameter moves in a direction approaching the gas outlet 320, and the gap between the outer peripheral wall of the regulating portion 122 and the inner wall of the gas outlet 320 decreases, thereby decreasing the effective flow cross-sectional area between the gas inlet 310 and the gas outlet 320. When the air outlet 320 needs to be plugged, the right end face of the guide part 121 shown in fig. 1 is abutted against the end face of the channel 330 where the air outlet 320 is arranged, and the valve core 120 plugs the air inlet end of the air outlet 320, so that the air outlet 320 is plugged.
Optionally, a first sealing member 123 is provided between the end surface of the guide portion 121 near the air outlet 320 and the inner wall of the passage 330. Specifically, the first sealing member 123 includes a first sealing ring, and the first sealing ring is disposed on an end surface of the guide portion 121 opposite to the air outlet 320, and is sleeved on an end of the adjusting portion 122 with a larger diameter. The outer diameter of the first sealing ring is larger than the diameter of the air outlet 320, and the inner diameter of the first sealing ring is smaller than the diameter of the air outlet 320. When the flow control valve 100 needs to be closed, the regulating part 122 enters the air outlet 320, and the first sealing ring abuts against the end surface of the channel 330, so that the tightness of the flow control valve 100 is increased, and the gas is prevented from passing through the gap between the regulating part 122 and the end surface of the channel 330.
In one embodiment of the present utility model, the valve body 110 includes a first connection portion 111, and the air inlet 310 and the air outlet 320 are provided at the first connection portion 111; the ejector housing 200 includes a second connection portion 220, and the second connection portion 220 is sleeved on the outer peripheral wall of the first connection portion 111 and is provided with a primary inflow port 221 communicating with the air inlet 310.
Specifically, the second connection portion 220 has a mounting cavity that communicates with the injection cavity 210, the first connection portion 111 is located in the mounting cavity, and the first connection portion 111 and the second connection portion 220 may be connected by an adhesive manner, an interference fit, or a threaded connection. When the first connecting portion 111 is mounted in the mounting cavity, the air inlet 310 communicates with the primary inlet 221, and the secondary inlet is offset from the first connecting portion 111, so as to prevent the first connecting portion 111 from blocking the secondary inlet 211. The flow control valve 100 is connected with the ejector shell 200 through the first connecting part 111 and the second connecting part 220, so that the integration of the flow control valve 100 and the ejector shell 200 is realized.
A second seal 222 is provided between the first connection portion 111 and the second connection portion 220. Specifically, the second sealing member 222 includes a second sealing ring sleeved on the outer periphery of the first connecting portion 111 and abutting against the inner wall of the mounting cavity, and the sealing between the flow control valve 100 and the ejector housing 200 can be improved by the second sealing ring.
In one embodiment of the present utility model, the valve core control assembly 130 includes an elastic member 131 and a solenoid 132, where the elastic member 131 is disposed at an end of the valve core 120 away from the air outlet 320 and is respectively abutted against the valve core 120 and the valve body 110; the electromagnetic coil 132 is sleeved on the outer periphery of the elastic member 131, when the electromagnetic coil 132 is energized, the valve core 120 moves in a direction away from the air outlet 320, and the elastic member 131 is elastically deformed.
The elastic member 131 may be provided as a metal elastic sheet, a coil spring, or the like, and in the present embodiment, the second elastic member 131 is provided as a coil spring. Specifically, the coil spring is located on a side of the valve body 120 away from the air outlet 320, and both ends of the coil spring are respectively abutted with the valve body 110 and the valve body 120. The electromagnetic coil 132 is located in the valve body 110 and is disposed at the outer periphery of the coil spring.
When the valve core 120 is required to move in a direction away from the air outlet 320, the electromagnetic coil 132 is electrified, the electromagnetic coil 132 attracts the valve core 120 to move in an area surrounded by the electromagnetic valve core 120, when the valve core 120 moves in an area surrounded by the electromagnetic valve core 120, the coil spring generates elastic deformation, and when the electrifying of the electromagnetic coil 132 is stopped, the valve core 120 moves in a direction close to the air outlet 320 under the action of the restoring force of the coil spring, and the valve core returns to the original position (the position for blocking the air outlet 320). The suction force of the electromagnetic coil 132 to the valve core 120 is adjusted by adjusting the current flowing into the electromagnetic coil 132, so that the moving distance of the valve core 120 is adjusted, and the valve is applicable to different power points.
In one embodiment of the present utility model, the injection cavity 210 includes a receiving chamber 212, a mixing chamber 213 and a diffusion chamber 214 that are in communication with each other, the mixing chamber 213 being located between the receiving chamber 212 and the diffusion chamber 214, the receiving chamber 212 being in communication with the air outlet 320 and the secondary flow inlet 211, respectively, the diffusion chamber 214 being in communication with the exterior of the injector housing 200; the diameter of the mixing chamber 213 is smaller than the diameter of the receiving chamber 212, and the diameter of the diffuser chamber 214 gradually increases from the end connected to the mixing chamber 213 to the end distant from the mixing chamber 213. The gas discharged from the gas outlet 320 and the gas introduced from the secondary inlet 211 enter the receiving chamber 212, and then the two gases are mixed in the mixing chamber 213, the mixed gas enters the diffusion chamber 214, the pressure is increased due to the reduction of the flow rate, and the pressure of the mixed gas is higher than the pressure of the gas introduced into the receiving chamber 212 at the outlet of the diffusion chamber 214.
The hydrogen supply system provided by the embodiment of the utility model comprises the gas control mechanism. The gas inlet 310 is used for hydrogen to enter the flow control valve 100, hydrogen is discharged from the gas outlet 320 and enters the injection cavity 210, and the secondary gas inlet 211 is used for circulating reflux gas to enter the injection cavity 210. At different power points, the valve core control assembly 130 adjusts the position of the valve core 120 in the channel 330, thereby adjusting the effective flow cross-sectional area between the air inlet 310 and the air outlet 320, and further realizing the adjustment of the flow rate of hydrogen.
Compared with the prior art, the gas control mechanism provided by the embodiment of the utility model integrates the flow control valve 100 and the ejector shell 200, omits a nozzle and a pipeline between the flow control valve 100 and the nozzle, avoids throttling at the nozzle, reduces the distance between the flow control valve 100 and the ejector shell 200, and can reduce edge loss, so that the gas control mechanism provided by the embodiment of the utility model can be suitable for more power points.
The fuel cell system provided by the embodiment of the utility model comprises the hydrogen supply system.
The fuel cell system provided by the embodiment of the utility model further comprises a galvanic pile, wherein the galvanic pile is communicated with the injection cavity 210 in the injector housing 200 in the hydrogen supply system.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A gas control mechanism, comprising:
the flow control valve (100), the flow control valve (100) comprises a valve body (110), a valve core (120) and a valve core control assembly (130), the valve body (110) is provided with an air inlet (310), an air outlet (320) and a channel (330) for communicating the air inlet (310) and the air outlet (320), the valve core (120) is arranged in the channel (330), the valve core control assembly (130) is in transmission connection with the valve core (120), and the valve core control assembly (130) is used for adjusting the position of the valve core (120) in the channel (330) so as to adjust the effective flow cross section between the air inlet (310) and the air outlet (320);
the ejector shell (200), ejector shell (200) with valve body (110) are connected, and be equipped with injection chamber (210) of gas outlet (320) intercommunication, ejector shell (200) still is equipped with secondary flow entry (211), secondary flow entry (211) with injection chamber (210) intercommunication.
2. The gas control mechanism of claim 1, wherein the axis of the gas outlet (320) coincides with the axis of the channel (330), and the axis of the gas inlet (310) is perpendicular to the axis of the channel (330).
3. The gas control mechanism of claim 1, wherein the spool (120) comprises:
a guide portion (121), the diameter of the guide portion (121) being smaller than the diameter of the channel (330) and larger than the diameter of the air outlet (320);
the adjusting part (122) is arranged at one end of the guide part (121), the diameter of the adjusting part (122) gradually decreases from one end close to the guide part (121) to one end far away from the guide part (121), and the effective flow cross section between the air inlet (310) and the air outlet (320) is adjusted by adjusting the length of the adjusting part (122) extending into the air outlet (320);
when the guide part (121) is abutted with the end face where the air outlet (320) is arranged, the valve core (120) seals the air outlet (320).
4. A gas control mechanism according to claim 3, characterized in that a first seal (123) is provided between the end surface of the guide portion (121) adjacent to the gas outlet (320) and the inner wall of the channel (330).
5. The gas control mechanism according to claim 3 or 4, wherein the valve body (110) comprises a first connection portion (111), the gas inlet (310) and the gas outlet (320) being both provided at the first connection portion (111);
the ejector shell (200) comprises a second connecting part (220), wherein the second connecting part (220) is sleeved on the outer peripheral wall of the first connecting part (111), and is provided with a primary inflow port (221) communicated with the air inlet (310).
6. The gas control mechanism according to claim 5, characterized in that a second seal (222) is provided between the first connection portion (111) and the second connection portion (220).
7. The gas control mechanism according to any one of claims 2 to 4, wherein the valve element control assembly (130) includes an elastic member (131), and the elastic member (131) is disposed at an end of the valve element (120) away from the gas outlet (320) and abuts against the valve element (120) and the valve body (110), respectively;
and the electromagnetic coil (132), the electromagnetic coil (132) is sleeved on the periphery of the elastic piece (131), when the electromagnetic coil (132) is electrified, the valve core (120) moves towards a direction away from the air outlet (320), and the elastic piece (131) generates elastic deformation.
8. The gas control mechanism of claim 1, wherein the ejector chamber (210) comprises a receiving chamber (212), a mixing chamber (213) and a diffusion chamber (214) in communication with each other, the mixing chamber (213) being located between the receiving chamber (212) and the diffusion chamber (214), the receiving chamber (212) being in communication with the gas outlet (320) and the secondary inlet (211), respectively, the diffusion chamber (214) being in communication with the exterior of the ejector housing (200);
the diameter of the mixing chamber (213) is smaller than the diameter of the receiving chamber (212), and the diameter of the diffusion chamber (214) gradually increases from the end connected with the mixing chamber (213) to the end far away from the mixing chamber (213).
9. A hydrogen gas supply system comprising the gas control mechanism of any one of claims 1-8.
10. A fuel cell system comprising the hydrogen gas supply system according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391087.4U CN219759629U (en) | 2023-03-02 | 2023-03-02 | Gas control mechanism, hydrogen supply system, and fuel cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320391087.4U CN219759629U (en) | 2023-03-02 | 2023-03-02 | Gas control mechanism, hydrogen supply system, and fuel cell system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219759629U true CN219759629U (en) | 2023-09-26 |
Family
ID=88075373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320391087.4U Active CN219759629U (en) | 2023-03-02 | 2023-03-02 | Gas control mechanism, hydrogen supply system, and fuel cell system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219759629U (en) |
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2023
- 2023-03-02 CN CN202320391087.4U patent/CN219759629U/en active Active
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