CN110542017A - Pressure detection device for hydrogenation station - Google Patents
Pressure detection device for hydrogenation station Download PDFInfo
- Publication number
- CN110542017A CN110542017A CN201910696001.7A CN201910696001A CN110542017A CN 110542017 A CN110542017 A CN 110542017A CN 201910696001 A CN201910696001 A CN 201910696001A CN 110542017 A CN110542017 A CN 110542017A
- Authority
- CN
- China
- Prior art keywords
- valve
- instrument
- mounting seat
- connecting pipe
- pressure detection
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0007—Fluidic connecting means
- G01L19/003—Fluidic connecting means using a detachable interface or adapter between the process medium and the pressure gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/0092—Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/14—Housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/03—Control means
- F17C2250/036—Control means using alarms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
-
- 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
- Y02E60/32—Hydrogen storage
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a pressure detection device for a hydrogenation station, which comprises a sealing cover, a telescopic cylinder, a pressure detection instrument, an instrument mounting seat, a valve mounting seat and a connecting pipe, wherein the valve mounting seat is welded at the middle position of the top surface of the connecting pipe, an air passage communicated with the connecting pipe is formed in the valve mounting seat, the valve is connected and mounted at the top of the valve mounting seat, the instrument mounting seat is connected and mounted at the top of the valve, and the air passage communicated with the valve is formed in the instrument mounting seat. Can timely catch hydrogen through the hydrogen sensor and reveal.
Description
Technical Field
The invention relates to the technical field of pressure detection equipment, in particular to a pressure detection device for a hydrogenation station.
Background
At normal temperature and pressure, hydrogen is a gas which is extremely easy to burn, colorless, transparent, odorless and tasteless. Hydrogen is the least dense gas known in the world and has a density of only 1/14 that of air, i.e., 0.0899g/L at 0 ℃ under one standard atmosphere. Therefore, the hydrogen can be used as filling gas for the airship and the hydrogen balloon (because the hydrogen has flammability and low safety, the airship is filled with helium at present). Hydrogen is the relatively least molecular weight species and is used primarily as a reducing agent.
The pressure measurement instrument who is used for the hydrogen pipeline of hydrogenation station that has now generally is ordinary pressure measurement instrument, and pressure measurement instrument passes through bolt direct mount on the hydrogen pipeline when using, causes the inconvenient change of pressure measurement instrument, and the hookup location of pressure measurement instrument and pipeline generally produces the position of revealing comparatively easily, consequently needs to pay attention to extraordinarily.
Disclosure of Invention
The invention aims to provide a pressure detection device for a hydrogen filling station, which aims to solve the problem that the existing pressure detection instrument is inconvenient to replace due to the fact that the pressure detection instrument is installed through a bolt.
In order to achieve the purpose, the invention provides the following technical scheme: a pressure detection device for a hydrogenation station comprises a sealing cover, a telescopic cylinder, a pressure detection instrument, an instrument mounting seat, a valve mounting seat and a connecting pipe, wherein the valve mounting seat is welded at the middle position of the top surface of the connecting pipe, an air passage communicated with the connecting pipe is formed in the valve mounting seat, the valve is installed at the top of the valve mounting seat in a connecting mode, the instrument mounting seat is installed at the top of the valve in a connecting mode, the air passage communicated with the valve is formed in the instrument mounting seat, a supporting plate is welded at the lower portion of the pressure detection instrument, a threaded connecting pipe is arranged at the bottom of the pressure detection instrument, the pressure detection instrument is installed at the top of the instrument mounting seat in a screwing mode, the supporting plate is attached to the top surface of the instrument mounting seat, the telescopic cylinder is installed on the two sides of the instrument mounting seat, and a, and the compact heap extrudees on the surface of backup pad, the sealed cowling covers in pressure measurement instrument's outside, and the bottom of sealed cowling passes through the screw fixation on the surface of connecting pipe, one side internally mounted of sealed cowling has the hydrogen sensor.
Preferably, a sealing rubber ring is arranged on the bottom surface of the support plate and glued at the bottom of the support plate.
Preferably, the two ends of the connecting pipe are provided with connecting flanges, the two connecting flanges are symmetrically arranged, and the connecting flanges and the connecting pipe are integrally formed.
Preferably, the other side surface of the sealing cover is provided with a yielding hole, and the valve rod of the valve penetrates out of the sealing cover through the yielding hole.
Preferably, the top surface welding of backup pad has the hexagonal nut of suit on the surface of pressure measurement instrument lower part, the sealed cowling sets up to transparent plastic glass structure.
Compared with the prior art, the invention has the beneficial effects that: when the pressure detection instrument is installed, the pressure detection instrument is screwed and installed on the top of the instrument installation seat through the threaded connection pipe, then the compression block is driven to move downwards through the contraction of the telescopic cylinder so as to clamp the supporting plate, the compression block can rotate at the telescopic end of the telescopic cylinder, the pressure detection instrument is fixed through the method, so that the pressure detection instrument is convenient to replace, the pressure detection instrument is connected to a pipeline before use, the pipeline is convenient to connect through the connection flanges at the two ends of the connection pipe, and then the hydrogen sensor on the inner wall of the sealing cover is connected with the alarm monitoring equipment. When the pressure detection instrument needs to be replaced, the sealing cover is firstly detached, then the valve is closed, only residual hydrogen inside the instrument mounting seat is leaked in the process of replacing the pressure detection instrument, and meanwhile, normal circulation of the hydrogen inside the connecting pipe can be guaranteed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the lower structure of the pressure measuring instrument of the present invention.
Fig. 3 is a schematic view of the structure of the connecting tube of the present invention.
In the figure: 1. a sealing cover; 2. a telescopic cylinder; 3. a support plate; 4. a compression block; 5. a hexagonal nut; 6. a pressure detection instrument; 7. an instrument mounting base; 8. a valve; 9. a hole of abdication; 10. a valve mount; 11. a connecting pipe; 12. a connecting flange; 13. a hydrogen sensor; 14. a threaded connection pipe; 15. and sealing the rubber ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, in the embodiment of the present invention, a pressure detection device for a hydrogen refueling station includes a sealing cover 1, a telescopic cylinder 2, a pressure detection instrument 6, an instrument mounting seat 7, a valve 8, a valve mounting seat 10, and a connecting pipe 11, the valve mounting seat 10 is welded at the middle position of the top surface of the connecting pipe 11, an air passage communicated with the connecting pipe 11 is formed inside the valve mounting seat 10, the valve 8 is connected and installed at the top of the valve mounting seat 10, the instrument mounting seat 7 is connected and installed at the top of the valve 8, the air passage communicated with the valve 8 is formed inside the instrument mounting seat 7, a support plate 3 is welded at the lower part of the pressure detection instrument 6, a threaded connecting pipe 14 is arranged at the bottom of the pressure detection instrument 6, the pressure detection instrument 6 is screwed and installed at the top of the instrument mounting seat 7, and the support plate 3 is attached to the top surface of, the instrument mounting seat is characterized in that telescopic cylinders 2 are mounted on two sides of the instrument mounting seat 7, a compression block 4 is mounted at the top of a telescopic end of each telescopic cylinder 2, the compression block 4 is extruded on the surface of a support plate 3, a seal cover 1 covers the outside of a pressure detection instrument 6, the bottom of the seal cover 1 is fixed on the surface of a connecting pipe 11 through screws, a hydrogen sensor 13 is mounted inside one side of the seal cover 1, a seal rubber ring 15 is arranged on the surface of the bottom of the support plate 3, the seal rubber ring 15 is glued at the bottom of the support plate 3, connecting flanges 12 are arranged at two ends of the connecting pipe 11, the two connecting flanges 12 are symmetrically arranged and integrally formed with the connecting pipe 11, a abdicating hole 9 is formed in the surface of the other side of the seal cover 1, a valve rod of a valve 8 penetrates out of the seal cover 1 through the abdicating hole 9, and a hexagon nut 5 sleeved on the surface of the lower, the sealing cover 1 is of A transparent plastic glass structure, the compression block 4 is driven to move downwards by the contraction of the telescopic cylinder 2, the supporting plate 3 is clamped, the pressure detection instrument 6 is fixed in the above mode, and the pressure detection instrument 6 is convenient to replace, when the pressure detection instrument 6 is replaced, only residual hydrogen inside the instrument mounting seat 7 leaks, the leakage of hydrogen is reduced, the normal circulation of the hydrogen inside the connecting pipe 11 can be ensured, the connecting position of the pressure detection instrument 6 and the instrument mounting seat 7 can be sealed to A certain extent through the sealing cover 1, when the hydrogen leaks from the connecting position of the pressure detection instrument 6 and the instrument mounting seat 7, the leakage of the hydrogen can be captured timely through the hydrogen sensor 13, the model of the hydrogen sensor 13 is H2SCAN-A and is purchased from the market, the pressure detecting gauge 6 is model number YE-100 and is commercially available.
The working principle of the invention is as follows: when the pressure detection instrument 6 is installed, the pressure detection instrument 6 is screwed and installed on the top of an instrument installation seat 7 through a threaded connection pipe 14, then a compression block 4 is driven to move downwards through contraction of a telescopic cylinder 2, a supporting plate 3 is further clamped, the compression block 4 can rotate at the telescopic end of the telescopic cylinder 2, the pressure detection instrument 6 is fixed through the method, and therefore the pressure detection instrument 6 is convenient to replace, before the pressure detection instrument is used, the pressure detection instrument is connected to a pipeline, the pipeline is convenient to connect through connection flanges 12 at two ends of a connection pipe 11, and then a hydrogen sensor 13 on the inner wall of a sealing cover 1 is connected with alarm monitoring equipment, when the pressure detection instrument is detected, a valve 8 is completely opened, so that hydrogen flowing through the inside of the connection pipe 11 enters the pressure detection instrument 6 through the valve installation seat 10, the valve 8 and the instrument installation seat 7, the pressure inside the pipeline is detected through the pressure detection instrument 6, when the pressure detection instrument 6 needs to be replaced, the sealing cover 1 is firstly detached, then the valve 8 is closed, only residual hydrogen inside the instrument mounting seat 7 leaks in the process of replacing the pressure detection instrument 6, and meanwhile normal circulation of hydrogen inside the connecting pipe 11 can be guaranteed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a pressure measurement for hydrogenation station, includes sealed cowling (1), telescopic cylinder (2), pressure measurement instrument (6), instrument mount pad (7), valve (8), valve mount pad (10) and connecting pipe (11), its characterized in that: the valve mounting seat (10) is welded at the middle position of the top surface of the connecting pipe (11), an air passage communicated with the connecting pipe (11) is arranged inside the valve mounting seat (10), the valve (8) is installed at the top of the valve mounting seat (10), the instrument mounting seat (7) is installed at the top of the valve (8), the air passage communicated with the valve (8) is arranged inside the instrument mounting seat (7), the supporting plate (3) is welded at the lower part of the pressure detection instrument (6), the threaded connecting pipe (14) is arranged at the bottom of the pressure detection instrument (6), the pressure detection instrument (6) is screwed and installed at the top of the instrument mounting seat (7), the supporting plate (3) is attached to the top surface of the instrument mounting seat (7), and the telescopic cylinders (2) are installed on the two sides of the instrument mounting seat (7), compact heap (4) are installed at the top of the flexible end of telescopic cylinder (2), and compact heap (4) extrusion is on the surface of backup pad (3), sealed cowling (1) covers the outside at pressure measurement instrument (6), and the bottom of sealed cowling (1) passes through the screw fixation on the surface of connecting pipe (11), one side internally mounted of sealed cowling (1) has hydrogen sensor (13).
2. The pressure detecting device for the hydrogen refueling station according to claim 1, wherein: a sealing rubber ring (15) is arranged on the bottom surface of the support plate (3), and the sealing rubber ring (15) is glued at the bottom of the support plate (3).
3. The pressure detecting device for the hydrogen refueling station according to claim 1, wherein: connecting flanges (12) are arranged at two ends of the connecting pipe (11), the two connecting flanges (12) are symmetrically arranged, and the connecting flanges (12) and the connecting pipe (11) are integrally formed.
4. The pressure detecting device for the hydrogen refueling station according to claim 1, wherein: the other side surface of the sealing cover (1) is provided with a yielding hole (9), and the valve rod of the valve (8) penetrates out of the sealing cover (1) through the yielding hole (9).
5. The pressure detecting device for the hydrogen refueling station according to claim 1, wherein: the top surface welding of backup pad (3) has suit hexagonal nut (5) on pressure measurement instrument (6) lower part surface, sealed cowling (1) sets up to transparent plastic glass structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910696001.7A CN110542017B (en) | 2019-07-30 | 2019-07-30 | Pressure detection device for hydrogenation station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910696001.7A CN110542017B (en) | 2019-07-30 | 2019-07-30 | Pressure detection device for hydrogenation station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110542017A true CN110542017A (en) | 2019-12-06 |
| CN110542017B CN110542017B (en) | 2021-09-21 |
Family
ID=68710444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910696001.7A Active CN110542017B (en) | 2019-07-30 | 2019-07-30 | Pressure detection device for hydrogenation station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110542017B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665778A (en) * | 2020-12-15 | 2021-04-16 | 南京沃天科技有限公司 | Pressure transmitter for chemical pipeline |
| CN112963634A (en) * | 2021-03-19 | 2021-06-15 | 广西玉柴机器股份有限公司 | Double-layer hydrogen pipe structure of fuel cell |
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| JP2002081347A (en) * | 2000-09-07 | 2002-03-22 | Nissan Motor Co Ltd | High-pressure gas container fixing device for vehicle |
| CN103017969A (en) * | 2011-09-26 | 2013-04-03 | 罗斯蒙德公司 | Process fluid pressure transmitter with separated sensor and sensor electronics |
| CN203463933U (en) * | 2013-08-05 | 2014-03-05 | 河南科益气体工程有限公司 | Safe gas inflating device |
| CN204740090U (en) * | 2015-05-29 | 2015-11-04 | 杜宪杰 | Membrane box -shaped pressure measurement |
| CN205666170U (en) * | 2016-05-24 | 2016-10-26 | 国网新疆电力公司奎屯供电公司 | Be used for gas filled equipment of SF6 circuit breaker |
| CN207649690U (en) * | 2017-12-28 | 2018-07-24 | 开封青天伟业流量仪表有限公司 | A kind of novel undergauge electromagnetic flowmeter |
| CN207814917U (en) * | 2018-02-06 | 2018-09-04 | 肇庆高新区恒安工业气体有限公司 | A kind of high security industrial gasses collection dress |
| CN109029617A (en) * | 2018-09-10 | 2018-12-18 | 杭州蓝捷氢能科技有限公司 | A kind of liquid hydrogen flowmeter of the fixed device of band |
| CN208818263U (en) * | 2018-10-09 | 2019-05-03 | 深圳市创欣仪表设备有限公司 | A kind of detection of natural gas differential pressure flowmeter |
-
2019
- 2019-07-30 CN CN201910696001.7A patent/CN110542017B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055898U (en) * | 1989-10-14 | 1990-04-11 | 昝玉军 | Reserves and consumption indicator for household cylinder contained liquified petroleum gas |
| JP2002081347A (en) * | 2000-09-07 | 2002-03-22 | Nissan Motor Co Ltd | High-pressure gas container fixing device for vehicle |
| CN103017969A (en) * | 2011-09-26 | 2013-04-03 | 罗斯蒙德公司 | Process fluid pressure transmitter with separated sensor and sensor electronics |
| CN203463933U (en) * | 2013-08-05 | 2014-03-05 | 河南科益气体工程有限公司 | Safe gas inflating device |
| CN204740090U (en) * | 2015-05-29 | 2015-11-04 | 杜宪杰 | Membrane box -shaped pressure measurement |
| CN205666170U (en) * | 2016-05-24 | 2016-10-26 | 国网新疆电力公司奎屯供电公司 | Be used for gas filled equipment of SF6 circuit breaker |
| CN207649690U (en) * | 2017-12-28 | 2018-07-24 | 开封青天伟业流量仪表有限公司 | A kind of novel undergauge electromagnetic flowmeter |
| CN207814917U (en) * | 2018-02-06 | 2018-09-04 | 肇庆高新区恒安工业气体有限公司 | A kind of high security industrial gasses collection dress |
| CN109029617A (en) * | 2018-09-10 | 2018-12-18 | 杭州蓝捷氢能科技有限公司 | A kind of liquid hydrogen flowmeter of the fixed device of band |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112665778A (en) * | 2020-12-15 | 2021-04-16 | 南京沃天科技有限公司 | Pressure transmitter for chemical pipeline |
| CN112963634A (en) * | 2021-03-19 | 2021-06-15 | 广西玉柴机器股份有限公司 | Double-layer hydrogen pipe structure of fuel cell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110542017B (en) | 2021-09-21 |
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Effective date of registration: 20210825 Address after: 313000 Chengnan Industrial Park, Heping Town, Changxing County, Huzhou City, Zhejiang Province Applicant after: Zhejiang Tailian Low Temperature Technology Co.,Ltd. Address before: 311100 room 212, floor 2, building a, Hangzhou future research and Innovation Park, No. 7 Longtan Road, Cangqian street, Yuhang District, Hangzhou, Zhejiang Province Applicant before: HANGZHOU LANJIE HYDROGEN ENERGY TECHNOLOGY Co.,Ltd. |
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