CN114551938A - Marine hydrogen fuel cell leakage alarm device - Google Patents
Marine hydrogen fuel cell leakage alarm device Download PDFInfo
- Publication number
- CN114551938A CN114551938A CN202210070415.0A CN202210070415A CN114551938A CN 114551938 A CN114551938 A CN 114551938A CN 202210070415 A CN202210070415 A CN 202210070415A CN 114551938 A CN114551938 A CN 114551938A
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- hydrogen
- fuel cell
- leakage alarm
- hydrogen fuel
- 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.)
- Pending
Links
- 239000001257 hydrogen Substances 0.000 title claims abstract description 73
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 73
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000000446 fuel Substances 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 239000007789 gas Substances 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011418 maintenance treatment Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0444—Concentration; Density
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04664—Failure or abnormal function
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a marine hydrogen fuel cell leakage alarm device which comprises a shell, wherein a sealing mechanism capable of being opened and closed, an adjusting mechanism for controlling the opening and closing of the sealing mechanism and an induced air fan are arranged in the shell, an air inlet and an air outlet are formed in two sides of the shell, a first hydrogen leakage alarm is arranged at the air inlet, and a second hydrogen leakage alarm is arranged between the air inlet and the sealing mechanism. When hydrogen does not leak, the sealing mechanism is closed to prevent ocean airflow from flowing back through the air outlet to corrode equipment inside the ship body, and when the first hydrogen leakage alarm acquires leakage information, the sealing mechanism can be opened under the control of the adjusting mechanism and simultaneously drive the second hydrogen leakage alarm to move to acquire gas concentration information at different positions; at the moment, the leaked gas is exhausted through the air inlet and the air outlet under the action of the induced draft fan. The device has the advantages that the leakage alarm can be effectively carried out on the marine hydrogen fuel cell, and meanwhile, the corrosion of the marine severe environment to equipment can be effectively avoided.
Description
Technical Field
The invention relates to an alarm device, in particular to an alarm device for a hydrogen fuel cell for a ship when hydrogen leaks.
Background
A hydrogen fuel cell is a power generation device that directly converts chemical energy of hydrogen and oxygen into electrical energy. The basic principle is the reverse reaction of electrolytic water, hydrogen and oxygen are respectively supplied to an anode and a cathode, the hydrogen is diffused outwards through the anode and reacts with an electrolyte, electrons are emitted to the cathode through an external load, and hydrogen is used as a fuel, so that the hydrogen gas has the advantages of high utilization rate, small volume, large capacity and environmental protection, and is gradually applied to the transportation field in recent years.
When the hydrogen fuel cell is applied to a ship, because hydrogen in the hydrogen fuel cell is a high-risk gas, especially when the ship sails out of the sea, the safety and reliability of the hydrogen fuel cell are ensured particularly when the hydrogen fuel cell is applied to the ship because the environment is limited and the difficulty in effectively handling sudden phenomena is high in time, and major accidents are likely to be caused once the hydrogen is leaked. However, in the prior art, effective detection on leakage on a ship is not available, so that when leakage occurs, an alarm can be given in time, meanwhile, in the process of going out of the sea and sailing of the ship, backflow of ocean airflow to the inside of a ship body cannot be avoided, high-humidity and high-salt ocean airflow can corrode equipment inside the ship, a sensor is usually arranged in the prior art to collect hydrogen leakage information and is connected with a ship main control system, and after leakage information is collected, the main control system sends an instruction to control equipment such as an exhaust fan and the like to exhaust, but corrosion of the ocean airflow to the equipment such as the exhaust fan and the sensor cannot be reduced. In the existing hydrogen fuel cell power ship, a hydrogen tank or a hydrogen conveying pipeline is easy to leak hydrogen under the condition of violent shaking of a ship body, and the detection and alarm mode of the existing hydrogen fuel cell power ship is easy to be influenced by other gases in the air, so that the condition of misinformation and missing report is caused, and the practicability is poor.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide an alarm device capable of sealing or exhausting a marine hydrogen fuel cell according to the state of the marine hydrogen fuel cell.
The technical scheme is as follows: the invention relates to a leakage alarm device for a marine hydrogen fuel cell, which comprises a shell, wherein a mounting seat is arranged outside the shell, and the device is arranged in a fuel cell cabin of a ship through the mounting seat; there are air intake and air exit respectively casing both sides, air intake connection air-supply line, the exhaust pipe is connected to the air exit, its characterized in that, be provided with first hydrogen leakage alarm in the intake pipe, the device still includes sealing mechanism, is used for controlling adjustment mechanism and the induced air fan that sealing mechanism opened and shut, first hydrogen leakage alarm is used for sending the warning after gathering hydrogen leakage signal, the wind direction of induced air fan is towards the exhaust pipe for force when hydrogen takes place to leak and airs exhaust.
The sealing mechanism comprises a first connecting plate, a rotating plate, a sliding rod and a sliding rail; the adjusting mechanism comprises a second connecting plate and an electric cylinder for pushing the first connecting plate to move, and the electric cylinder is embedded on the second connecting plate; the rotating plate is rotatably connected with the first connecting plate and is in sliding connection with the sliding rail through the sliding rod, and the rotating plate is driven by the first connecting plate to slide between the wall surface and the electric cylinder along the sliding rail; a limiting plate is arranged on the inner wall of the shell along the circumferential direction; when the first connecting plate is not pushed, the rotating plate, the first connecting plate and the limiting plate are attached to the surface of the second connecting plate. The device comprises a plurality of rotating plates and a plurality of sliding rails. The surfaces of the joint parts of the rotating plate, the first connecting plate, the limiting plate and the second connecting plate are provided with sealing gaskets. And a second hydrogen leakage alarm is arranged between the air inlet and the sealing mechanism. The shell inner wall is provided with a slide way which extends from the shell wall to the center of the cross section in the circumferential direction on the same cross section, a slide block is arranged in the slide way, and the second hydrogen leakage alarm is arranged on the slide block. The adjusting mechanism further comprises a push rod and a bidirectional telescopic rod, a sliding hole is formed in the second connecting plate, the push rod is arranged in the sliding hole, one end of the push rod is connected with the electric cylinder, and the other end of the push rod is connected with a fourth connecting plate; one end of the bidirectional telescopic rod is rotatably connected with the sliding block, and the other end of the bidirectional telescopic rod is rotatably connected with the fourth connecting plate. The push-pull force required by the extension and contraction of the bidirectional telescopic rod is set to be larger than the thrust required by the sliding of the sliding block.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: the opening and closing of the sealing device can be simply and conveniently realized through the extension and retraction of the electric cylinder, the backflow of ocean airflow can be prevented from corroding important internal components when hydrogen does not leak, the tightness of a ship is ensured when exhaust is not needed, and alarm and exhaust can be performed when hydrogen leaks; when exhausting through the induced draft fan, the hydrogen leakage alarm can detect the hydrogen concentration of each position in the casing inside uniformly, and the monitoring data that obtains is more accurate, more has reference value to subsequent maintenance processing procedure, compact structure, and the practicality is strong.
Drawings
FIG. 1 is a cross-sectional view of one embodiment of the present invention.
Fig. 2 is a structural view of the exhaust side of an embodiment of the present invention.
Figure 3 is a block diagram of a skid mounting cross-section of one embodiment of the present invention.
Fig. 4 is a schematic view of the position of the rotating plate in the extended state of the electric putter according to an embodiment of the present invention.
Fig. 5 is a schematic diagram illustrating a position of the first connecting plate in an extended state of the power putter according to an embodiment of the present invention.
The corresponding relation between each part in the figure and the reference numeral is as follows: 1. a housing; 2. a mounting seat; 3. an air inlet pipe; 4. a connecting rod; 5. an induced draft fan; 6. a limiting plate; 7. a second connecting plate; 8. a slide rail; 9. an electric cylinder; 10. a first connecting plate; 11. rotating the plate; 12. a slide bar; 13. a slide hole; 14. a third connecting plate; 15. a slideway; 16. a slider; 17. a second hydrogen leakage alarm; 18. a bidirectional telescopic rod; 19. a fourth connecting plate; 20. a push rod; 21. a first hydrogen leak alarm.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
The marine hydrogen fuel cell leakage alarm device in the embodiment shown in fig. 1-5 comprises a square shell 1, wherein the outer wall of the shell 1 is provided with a mounting seat 2, the two sides of the shell 1 are provided with an air inlet and an air outlet, the air inlet and the air outlet are respectively connected with an air inlet pipe 3 and an air outlet pipe, and the air inlet pipe 3 is provided with a first hydrogen leakage alarm 21; an induced draft fan 5 is arranged at one side of an air inlet in the shell 1, and the induced draft fan 5 is connected with the inner wall of the shell 1 through a connecting rod 4; one side of the air outlet is provided with a sealing mechanism consisting of a limiting plate 6, a slide rail 8, a first mounting plate 10 and a rotating plate 11 and an adjusting mechanism consisting of a second mounting plate 7 and an electric cylinder 9, wherein the first mounting plate 10 is rotatably connected with the rotating plate 11, the rotating plate 11 is slidably connected with the slide rail 8 through a slide rod 12, and the electric cylinder 9 is embedded on the second mounting plate 7 and used for pushing the mounting plate 10; in the present embodiment, the first mounting plate 10, the second mounting plate 7, and the rotating plate 11 are rectangular plates; wherein, the end face where the short side of the first mounting plate 10 is located is fixed on the inner wall of the shell 1; the device comprises two rotating plates 11 which are respectively arranged at two sides of a first mounting plate 10; the long edge of one side of the rotating plate 11 is rotatably connected with the long edge of the first mounting plate 10 through a connecting piece, and the sliding rod 12 is fixed on the end surface of the long edge of the other side; for the installation of making things convenient for first mounting panel 10 and second mounting panel 7 and the sealed of equipment, limiting plate 6 sets up to the square frame shape in this embodiment, and when first mounting panel 10 did not promote by electric putter, first mounting panel 10 and commentaries on classics board 11 are sealed with limiting plate 6 and the laminating of second mounting panel 7, are equipped with sealed the pad in the gap of laminating, prevent the backward flow of marine gas.
In this embodiment, the fourth connecting plate 19 is disc-shaped, and is disposed between the limiting plate 6 and the induced draft fan 5, and two push rods 20 are fixedly connected to the end surface of the fourth connecting plate 19 facing one side of the electric cylinder 9, the push rods 20 are slidably disposed in the sliding holes 13 and fixedly connected to the first connecting plate 10, the push rods 20 on the front and rear sides are respectively disposed on the front and rear sides of the electric cylinder 9, a second hydrogen leakage alarm 17 is fixedly mounted on each limit slider 16, four bidirectional telescopic rods 18 are uniformly disposed on the side end surface of the fourth connecting plate 19, one end of each bidirectional telescopic rod 18 is rotatably connected to the fourth connecting plate 19, and the other end of each bidirectional telescopic rod is fixedly connected to the corresponding limit slider 16 on one side. The first hydrogen leakage alarm 21 and the second hydrogen leakage alarm 17 are used for collecting hydrogen concentration/pressure data and giving an alarm after a set threshold value is reached. The hydrogen sensor is arranged in the fuel cell cabin, and the hydrogen sensor and the alarm are both connected with the ship control console through signal lines.
The working principle of the invention is as follows: when the hydrogen fuel cell normally works, namely leakage does not occur, the first connecting plate 10 and the rotating plate 8 are attached to the second connecting plate 7 and the limiting plate 6, sealing gaskets are arranged between the attached gaps, key components such as the first hydrogen leakage alarm 21, the second hydrogen leakage alarm 17 and the electric cylinder 9 are sealed in the shell 1, and corrosion of the components caused by ocean airflow backflow is reduced; when hydrogen fuel leaks, firstly, the first hydrogen leakage alarm 21 collects information and gives an alarm, the electric cylinder 9 pushes the first connecting plate 10 to move along the air exhaust direction (namely, the direction from right to left in the figure), the first connecting plate 10 drives the rotating plate 11 to rotate and slide along the slide rail 6, an air exhaust channel is opened, and the air is accelerated to be exhausted from an air exhaust port under the action of the induced air fan 5; the push rod 20 and the first connecting plate 10 are driven to move synchronously when the electric cylinder 9 works, the force required by the stretching and retracting of the bidirectional telescopic rod 18 is set to be larger than the friction force between the sliding block 16 and the sliding way 15, therefore, the sliding block 16 is firstly driven to slide in the sliding way 15, the second hydrogen leakage alarm 17 installed on the sliding block 16 moves along the sliding way 15, the position of the second hydrogen leakage alarm 17 is unfolded around from the center of the cross section, after the sliding block 15 slides to the end and is abutted to the wall surface of the shell 1, the limiting is carried out on the sliding block by the wall surface, the gas concentration measurement at different positions can be realized, and effective reference is provided for subsequent maintenance treatment. The parts not described in detail in this embodiment can be implemented by conventional techniques, and thus will not be described in detail.
Claims (8)
1. A hydrogen fuel cell leakage alarm device for a ship comprises a shell (1), wherein a mounting seat (2) is arranged outside the shell (1), and the device is fixedly arranged in a hydrogen fuel cell cabin of the ship through the mounting seat (2); there are air intake and air exit respectively casing (1) both sides, air intake connection air-supply line (3), the exhaust pipe is connected to the air exit, a serial communication port, be provided with first hydrogen leakage alarm (21) on air-supply line (3), the device still includes sealing mechanism, is used for controlling adjustment mechanism and induced air fan (5) that sealing mechanism opened and shut, first hydrogen leakage alarm (21) are used for sending the warning after gathering hydrogen leakage signal, the wind direction of induced air fan (5) is towards the exhaust pipe for force when hydrogen takes place to leak and airs exhaust.
2. The marine hydrogen fuel cell leak warning device according to claim 1, wherein the sealing mechanism includes a first connecting plate (10), a rotating plate (11), a slide bar (12), and a slide rail (8); the adjusting mechanism comprises a second connecting plate (7) and an electric cylinder (9) used for pushing the first connecting plate (10) to move, and the electric cylinder (9) is embedded on the second connecting plate (7); the rotating plate (11) is rotatably connected with the first connecting plate (10) and is in sliding connection with the sliding rail (8) through a sliding rod (12), and the rotating plate (11) is driven by the first connecting plate (10) to slide between the wall surface and the electric cylinder (9) along the sliding rail; a limiting plate (6) is arranged on the inner wall of the shell (1) along the circumferential direction; when the first connecting plate (10) is not pushed, the rotating plate (11) and the first connecting plate (10) are attached to the surfaces of the limiting plate (6) and the second connecting plate (7).
3. The marine hydrogen fuel cell leak warning device according to claim 2, characterized in that the device comprises a plurality of turning plates (11) and a plurality of slide rails (8).
4. The marine hydrogen fuel cell leakage alarm device according to claim 2, wherein sealing gaskets are arranged among the gaps at the joint of the rotating plate (11), the first connecting plate (10), the limiting plate (6) and the second connecting plate (7).
5. The marine hydrogen fuel cell leak alarm device according to claim 1, wherein a second hydrogen leak alarm (17) is provided between the air inlet and the sealing mechanism.
6. The marine hydrogen fuel cell leakage alarm device according to claim 1, wherein the inner wall of the casing (1) is circumferentially provided with a slide way (15) extending from the wall of the casing (1) to the center of the cross section on the same cross section, a slide block (16) is arranged in the slide way (15), and the second hydrogen leakage alarm (17) is installed on the slide block (16).
7. The marine hydrogen fuel cell leakage alarm device according to claim 1, wherein the adjusting mechanism further comprises a push rod (20) and a bidirectional telescopic rod (18), the second connecting plate (7) is provided with a sliding hole (13), the push rod (20) is arranged in the sliding hole (13), one end of the push rod (20) is connected with the electric cylinder (9), and the other end of the push rod is connected with a fourth connecting plate (19); one end of the bidirectional telescopic rod (18) is rotatably connected with the sliding block (16), and the other end of the bidirectional telescopic rod is rotatably connected with the fourth connecting plate (19).
8. The marine hydrogen fuel cell leakage warning device according to claim 1, wherein a push-pull force required for the bidirectional telescopic rod (18) to expand and contract is set to be larger than a push force required for the slider (16) to slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210070415.0A CN114551938A (en) | 2022-01-21 | 2022-01-21 | Marine hydrogen fuel cell leakage alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210070415.0A CN114551938A (en) | 2022-01-21 | 2022-01-21 | Marine hydrogen fuel cell leakage alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114551938A true CN114551938A (en) | 2022-05-27 |
Family
ID=81670709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210070415.0A Pending CN114551938A (en) | 2022-01-21 | 2022-01-21 | Marine hydrogen fuel cell leakage alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114551938A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5525681A (en) * | 1978-08-15 | 1980-02-23 | Yamaha Motor Co Ltd | Gas leakage alarm for boat |
| CN108386725A (en) * | 2018-02-06 | 2018-08-10 | 无锡先迪德宝电子有限公司 | A kind of gas leakage automatic detection alarm device |
| CN110296282A (en) * | 2018-03-23 | 2019-10-01 | 威茨曼有限公司 | Conduit coupling with sensor interface and the method being installed to sensor on pipeline |
| CN110335438A (en) * | 2019-06-20 | 2019-10-15 | 武汉理工大学 | A kind of hydrogen fuel cell safety of ship protection system and guard method |
| CN209962394U (en) * | 2019-06-26 | 2020-01-17 | 临沂市安福电子有限公司 | Gas leakage alarm |
| KR102204875B1 (en) * | 2020-08-31 | 2021-01-19 | (주)앤써 | A system for emergency discharging lpg and the ship or offshore structure including the same |
| CN214956977U (en) * | 2021-06-25 | 2021-11-30 | 斗山创新(深圳)有限公司 | Hydrogen leakage alarm device for hydrogen fuel cell stack for industrial-grade unmanned aerial vehicle |
| CN113851685A (en) * | 2021-11-30 | 2021-12-28 | 武汉氢能与燃料电池产业技术研究院有限公司 | Hydrogen leakage prevention device for marine fuel cell system |
-
2022
- 2022-01-21 CN CN202210070415.0A patent/CN114551938A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5525681A (en) * | 1978-08-15 | 1980-02-23 | Yamaha Motor Co Ltd | Gas leakage alarm for boat |
| CN108386725A (en) * | 2018-02-06 | 2018-08-10 | 无锡先迪德宝电子有限公司 | A kind of gas leakage automatic detection alarm device |
| CN110296282A (en) * | 2018-03-23 | 2019-10-01 | 威茨曼有限公司 | Conduit coupling with sensor interface and the method being installed to sensor on pipeline |
| JP2019191157A (en) * | 2018-03-23 | 2019-10-31 | ヴィッツェンマン・ゲー・エム・ベー・ハーＷｉｔｚｅｎｍａｎｎ Ｇｍｂｈ | Sleeve with sensor connector and method for attaching sensor to conduit |
| CN110335438A (en) * | 2019-06-20 | 2019-10-15 | 武汉理工大学 | A kind of hydrogen fuel cell safety of ship protection system and guard method |
| CN209962394U (en) * | 2019-06-26 | 2020-01-17 | 临沂市安福电子有限公司 | Gas leakage alarm |
| KR102204875B1 (en) * | 2020-08-31 | 2021-01-19 | (주)앤써 | A system for emergency discharging lpg and the ship or offshore structure including the same |
| CN214956977U (en) * | 2021-06-25 | 2021-11-30 | 斗山创新(深圳)有限公司 | Hydrogen leakage alarm device for hydrogen fuel cell stack for industrial-grade unmanned aerial vehicle |
| CN113851685A (en) * | 2021-11-30 | 2021-12-28 | 武汉氢能与燃料电池产业技术研究院有限公司 | Hydrogen leakage prevention device for marine fuel cell system |
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