CN215112040U - Different pressure gas cylinder hydrogen supply system - Google Patents
Different pressure gas cylinder hydrogen supply system Download PDFInfo
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- CN215112040U CN215112040U CN202120623178.7U CN202120623178U CN215112040U CN 215112040 U CN215112040 U CN 215112040U CN 202120623178 U CN202120623178 U CN 202120623178U CN 215112040 U CN215112040 U CN 215112040U
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- gas cylinder
- pipeline
- hydrogenation
- pressure
- hydrogen supply
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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
- Y02E60/34—Hydrogen distribution
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
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Abstract
The utility model discloses a different pressure gas cylinder hydrogen supply system, include: hydrogen supply pipeline, first hydrogenation pipeline, second hydrogenation pipeline, first gas cylinder device, second gas cylinder device, relief pressure valve, pile, controller, be equipped with first solenoid valve and first pressure sensor on the first hydrogenation pipeline, first hydrogenation pipeline one end with hydrogen supply tube coupling, the other end with first gas cylinder device connects, be equipped with second solenoid valve and second pressure sensor on the second hydrogenation pipeline, second hydrogenation pipeline one end with hydrogen supply tube coupling, the other end with second gas cylinder device connects, first gas cylinder device with second gas cylinder device respectively with the relief pressure valve is connected and is carried hydrogen to the pile. The utility model discloses can realize the automatic of first solenoid valve and second solenoid valve and open and shut, play the effect according to pressure automatic adjustment hydrogenation state.
Description
Technical Field
The utility model relates to a fuel cell technical field. More specifically, the utility model relates to a different pressure gas cylinder hydrogen supply system.
Background
At present, a vehicle-mounted high-pressure hydrogen supply system generally adopts 35MPa or 70MPa to store and supply hydrogen, at present, gas cylinders with high nominal working pressure are few, when the space limitation of a certain system is large, the single low nominal working pressure hydrogen storage amount is small, and when the single high nominal working pressure gas cylinder is adopted, the high nominal working pressure gas cylinder specification in the market is few.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.
It is yet another object of the present invention to provide a hydrogen supply system for gas cylinders with different pressures, comprising: the hydrogen supply device comprises a hydrogen supply pipeline, a first hydrogenation pipeline, a second hydrogenation pipeline, a first gas cylinder device, a second gas cylinder device, a pressure reducing valve, a galvanic pile and a controller, wherein a first electromagnetic valve and a first pressure sensor are arranged on the first hydrogenation pipeline, one end of the first hydrogenation pipeline is connected with the hydrogen supply pipeline, the other end of the first hydrogenation pipeline is connected with the first gas cylinder device, a second electromagnetic valve and a second pressure sensor are arranged on the second hydrogenation pipeline, one end of the second hydrogenation pipeline is connected with the hydrogen supply pipeline, the other end of the second hydrogenation pipeline is connected with the second gas cylinder device, the first gas cylinder device and the second gas cylinder device are respectively connected with the pressure reducing valve to convey hydrogen to the galvanic pile, the first pressure sensor, the first electromagnetic valve, the second electromagnetic valve and the second pressure sensor are respectively connected with the controller, and the first gas cylinder device is a high nominal working pressure gas cylinder, and the second gas cylinder is a low nominal working pressure gas cylinder. Compared with the traditional scheme, the hydrogen supply system adopts the scheme of mixing the pressure cylinder groups of the gas cylinders with different nominal working pressures, and has the advantage that when the size of the arrangement space of the hydrogen cylinder is limited greatly and a certain hydrogen storage capacity requirement is met, the mixed arrangement method can be adopted. According to the system, an electromagnetic valve and a pressure sensor are respectively arranged in front of a high-nominal working pressure gas cylinder and a low-nominal working pressure gas cylinder, the pressure in a first hydrogenation pipeline and the pressure in a second hydrogenation pipeline are transmitted to a controller, the first electromagnetic valve and the second electromagnetic valve are automatically opened and closed, and the effect of automatically adjusting the hydrogenation state according to the pressure is achieved.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a hydrogen supply system for gas cylinders of different pressures, comprising: hydrogen supply pipeline, first hydrogenation pipeline, second hydrogenation pipeline, first gas cylinder device, second gas cylinder device, relief pressure valve, pile, controller, be equipped with first solenoid valve and first pressure sensor on the first hydrogenation pipeline, first hydrogenation pipeline one end with hydrogen supply tube coupling, the other end with first gas cylinder device connects, be equipped with second solenoid valve and second pressure sensor on the second hydrogenation pipeline, second hydrogenation pipeline one end with hydrogen supply tube coupling, the other end with second gas cylinder device connects, first gas cylinder device with second gas cylinder device respectively with the relief pressure valve is connected and is carried hydrogen to the pile, first pressure sensor first solenoid valve the second solenoid valve with second pressure sensor is connected with the controller respectively.
Preferably, the first manual valve on the first hydrogenation line is disposed downstream of the first electromagnetic valve, and the second manual valve on the second hydrogenation line is disposed downstream of the second electromagnetic valve.
Preferably, the first hydrogenation pipeline and the second hydrogenation pipeline are respectively communicated with a hydrogen supply pipeline.
Preferably, the hydrogen supply pipeline is sequentially provided with a hydrogenation port, a filter and a third one-way valve.
Preferably, the first pressure sensor is located upstream of the first solenoid valve, and the second pressure sensor is located upstream of the second solenoid valve.
The utility model discloses at least, include following beneficial effect:
compared with the traditional scheme, the hydrogen supply system adopts the scheme of mixing the pressure cylinder groups of the gas cylinders with different nominal working pressures, and has the advantages that when the size of the arrangement space of the hydrogen cylinder is limited greatly and a certain hydrogen storage capacity requirement is met, the mixed arrangement method can be adopted;
according to the system, an electromagnetic valve and a pressure sensor are respectively arranged in front of a high-nominal working pressure gas cylinder and a low-nominal working pressure gas cylinder, the pressure in a first hydrogenation pipeline and the pressure in a second hydrogenation pipeline are transmitted to a controller, the first electromagnetic valve and the second electromagnetic valve are automatically opened and closed, and the process of automatically adjusting the hydrogenation state is achieved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is the structure schematic diagram of the hydrogen supply system for the gas cylinders with different pressures in the utility model.
Reference numerals: a hydrogen supply pipeline 1, a first hydrogenation pipeline 2, a second hydrogenation pipeline 3, a first gas cylinder device 4, a second gas cylinder device 5, a pressure reducing valve 6, a galvanic pile 7, a first electromagnetic valve 8, a first pressure sensor 9, a second electromagnetic valve 10, a second pressure sensor 11, a first manual valve 12, a second manual valve 13, a hydrogenation port 14, a filter 15 and a third one-way valve 16
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
In the description of the present invention, the terms "one end", "the other end", "parallel", "downstream", "upstream", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The utility model provides an embodiment of different pressure gas cylinder hydrogen supply system, as shown in FIG. 1, different pressure gas cylinder hydrogen supply system includes: a hydrogen supply pipeline 1, a first hydrogenation pipeline 2, a second hydrogenation pipeline 3, a first gas cylinder device 4, a second gas cylinder device 5, a pressure reducing valve 6, a pile 7 and a controller, wherein the first hydrogenation pipeline 2 is provided with a first electromagnetic valve 8 and a first pressure sensor 9, one end of the first hydrogenation pipeline 2 is connected with the hydrogen supply pipeline 1, the other end is connected with the first gas cylinder device 4, the second hydrogenation pipeline 3 is provided with a second electromagnetic valve 10 and a second pressure sensor 11, one end of the second hydrogenation pipeline 3 is connected with the hydrogen supply pipeline 1, the other end is connected with the second gas cylinder device 5, the first gas cylinder device 4 and the second gas cylinder device 5 are respectively connected with the pressure reducing valve 6 to convey hydrogen to the pile 7, the first pressure sensor 9, the first electromagnetic valve 8, the second electromagnetic valve 10 and the second pressure sensor 11 are respectively connected with the controller, the first gas cylinder device 4 is a high nominal working pressure gas cylinder, and the second gas cylinder device 5 is a low nominal working pressure gas cylinder. The first pressure sensor 9 is used for sensing the pressure in the first hydrogenation pipeline 2; the second pressure sensor 11 is used for sensing the pressure in the second hydrogenation pipeline 3; the first pressure sensor 9 and the second pressure sensor 11 are respectively connected with a controller, the first pressure sensor 9 and the second pressure sensor 11 transmit the sensed pressure to the controller, and the controller controls the opening and closing of the first electromagnetic valve 8 and the second electromagnetic valve 10 through a control circuit.
In the above embodiment, the first electromagnetic valve 8 and the first pressure sensor 9 are added at the high-pressure inlet end of the cylinder valve of the first cylinder device 4 including the high-nominal working pressure cylinder, when the pressure reaches the nominal working pressure P1, the first pressure sensor 9 at the front section of the high-nominal working pressure cylinder transmits a pressure signal to the controller, the controller enables the signal, the first electromagnetic valve 8 is closed, and the second cylinder device 5 is normally hydrogenated; when the pressure reaches the nominal working pressure P2, a pressure signal is transmitted to the controller, and the second solenoid valve 10 is closed, i.e. the second hydrogenation pipeline 3 is closed. The pressure resistance values of the first hydrogenation pipeline 2 and the second hydrogenation pipeline 3 are both higher than the highest pressure of the system. The outlet ends of the first gas cylinder device 4 and the second gas cylinder device 5 are respectively provided with a pressure reducing valve 6 which can be used by the same type of gas cylinder with the highest pressure, and the outlet ends of the pressure reducing valves 6 are connected with the same pipeline, so that the outlet ends, namely the gas at the low pressure end, are combined into a whole and are communicated with the electric pile 7.
Compared with the traditional scheme, the hydrogen supply system adopts the scheme of mixing the pressure cylinder groups of the gas cylinders with different nominal working pressures, and has the advantage that when the size of the arrangement space of the hydrogen cylinder is limited greatly and a certain hydrogen storage capacity requirement is met, the mixed arrangement method can be adopted. According to the scheme, an electromagnetic valve and a pressure sensor are respectively arranged in front of a high-nominal working pressure gas cylinder and a low-nominal working pressure gas cylinder, the pressure in a first hydrogenation pipeline 2 and the pressure in a second hydrogenation pipeline 3 are transmitted to a controller, the first electromagnetic valve 8 and the second electromagnetic valve 10 are automatically opened and closed, and the process of automatically adjusting the hydrogenation state is achieved.
In addition to the above embodiment, in the flow direction of the hydrogen gas flow, the first manual valve 12 on the first hydrogenation pipeline 2 is arranged at the downstream of the first electromagnetic valve 8, and the second manual valve 13 on the second hydrogenation pipeline 3 is arranged at the downstream of the second electromagnetic valve 10, so that the opening and closing of the first hydrogenation pipeline 2 and the second hydrogenation pipeline 3 can be manually controlled.
On the basis of the above embodiment, in order to use the same hydrogen supply pipeline 1, the first hydrogenation pipeline 2 and the second hydrogenation pipeline 3 are respectively communicated with the hydrogen supply pipeline 1.
On the basis of the above embodiment, the hydrogen supply pipeline 1 is sequentially provided with the hydrogenation port 14, the filter 15 and the third check valve 16, and hydrogen gas sequentially passes through the hydrogenation port 14, the filter 15 and the third check valve 16 and then enters according to the opening and closing conditions of the first hydrogenation pipeline 2 and the second hydrogenation pipeline 3.
On the basis of the above embodiment, in order to facilitate the detection of the pressure in the first hydrogenation line 2 and the second hydrogenation line 3, the first pressure sensor 9 is located upstream of the first electromagnetic valve 8 and the second pressure sensor 11 is located upstream of the second electromagnetic valve 10 in the flow direction of the hydrogen gas stream.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (4)
1. A different pressure gas cylinder hydrogen supply system, characterized by comprising: the hydrogen supply device comprises a hydrogen supply pipeline, a first hydrogenation pipeline, a second hydrogenation pipeline, a first gas cylinder device, a second gas cylinder device, a pressure reducing valve, a galvanic pile and a controller, wherein a first electromagnetic valve and a first pressure sensor are arranged on the first hydrogenation pipeline, one end of the first hydrogenation pipeline is connected with the hydrogen supply pipeline, the other end of the first hydrogenation pipeline is connected with the first gas cylinder device, a second electromagnetic valve and a second pressure sensor are arranged on the second hydrogenation pipeline, one end of the second hydrogenation pipeline is connected with the hydrogen supply pipeline, the other end of the second hydrogenation pipeline is connected with the second gas cylinder device, the first gas cylinder device and the second gas cylinder device are respectively connected with the pressure reducing valve to convey hydrogen to the galvanic pile, the first pressure sensor, the first electromagnetic valve, the second electromagnetic valve and the second pressure sensor are respectively connected with the controller, and the first gas cylinder device is a high nominal working pressure gas cylinder, and the second gas cylinder is a low nominal working pressure gas cylinder.
2. A variable pressure cylinder hydrogen supply system as defined in claim 1, wherein a first manual valve on the first hydrogenation line is disposed downstream of the first solenoid valve and a second manual valve on the second hydrogenation line is disposed downstream of the second solenoid valve.
3. A hydrogen supply system for gas cylinders with different pressures as claimed in claim 1, wherein the hydrogen supply pipeline is provided with a hydrogen adding port, a filter and a third one-way valve in sequence.
4. A different pressure gas cylinder hydrogen supply system as defined in claim 1 wherein the first pressure sensor is located upstream of the first solenoid valve and the second pressure sensor is located upstream of the second solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623178.7U CN215112040U (en) | 2021-03-26 | 2021-03-26 | Different pressure gas cylinder hydrogen supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623178.7U CN215112040U (en) | 2021-03-26 | 2021-03-26 | Different pressure gas cylinder hydrogen supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215112040U true CN215112040U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120623178.7U Active CN215112040U (en) | 2021-03-26 | 2021-03-26 | Different pressure gas cylinder hydrogen supply system |
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| Country | Link |
|---|---|
| CN (1) | CN215112040U (en) |
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2021
- 2021-03-26 CN CN202120623178.7U patent/CN215112040U/en active Active
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