WO2021057717A1 - 压力容器和车辆 - Google Patents

压力容器和车辆 Download PDF

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Publication number
WO2021057717A1
WO2021057717A1 PCT/CN2020/116807 CN2020116807W WO2021057717A1 WO 2021057717 A1 WO2021057717 A1 WO 2021057717A1 CN 2020116807 W CN2020116807 W CN 2020116807W WO 2021057717 A1 WO2021057717 A1 WO 2021057717A1
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WO
WIPO (PCT)
Prior art keywords
bottle valve
valve
storage space
pressure vessel
communication channel
Prior art date
Application number
PCT/CN2020/116807
Other languages
English (en)
French (fr)
Inventor
A·齐格尔
Original Assignee
未势能源科技有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 未势能源科技有限公司 filed Critical 未势能源科技有限公司
Priority to KR1020227013836A priority Critical patent/KR20220068256A/ko
Priority to EP20868238.5A priority patent/EP4036458A4/en
Priority to JP2022519787A priority patent/JP2023504762A/ja
Priority to CA3155935A priority patent/CA3155935A1/en
Publication of WO2021057717A1 publication Critical patent/WO2021057717A1/zh
Priority to US17/704,039 priority patent/US11964552B2/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/03006—Gas tanks
    • 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
    • F17C13/06—Closures, e.g. cap, breakable member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J12/00—Pressure vessels in general
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J13/00—Covers or similar closure members for pressure vessels in general
    • F16J13/02—Detachable closure members; Means for tightening closures
    • 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
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/03006—Gas tanks
    • B60K2015/03026—Gas tanks comprising a valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03032—Manufacturing of fuel tanks
    • B60K2015/03059—Fuel tanks with double shells or more
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K2015/03256—Fuel tanks characterised by special valves, the mounting thereof
    • 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
    • F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • 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
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0604—Liners
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0619—Single wall with two layers
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls
    • 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
    • F17C2205/0305—Bosses, e.g. boss collars
    • 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
    • F17C2205/0311—Closure means
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/036—Avoiding leaks
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/04—Reducing risks and environmental impact
    • F17C2260/042—Reducing risk of explosion
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • F17C2270/0178—Cars
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0184—Fuel cells
    • 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

Definitions

  • This application relates to the field of pressure equipment manufacturing, specifically, to a pressure vessel and a vehicle.
  • the pressure vessel can have multiple applications. For example, it can be used in new energy vehicles such as fuel cell vehicles or natural gas vehicles, and used as a fuel storage device for vehicles. If the fuel gas in the pressure vessel leaks, there is a risk of explosion. Therefore, the pressure vessel needs to have reliable sealing performance.
  • the valve seat A1 is sleeved and sealed outside the bottle valve A2, and the inner bladder A3 is sleeved and sealed outside the valve seat A1 to ensure the sealing of the container.
  • the first sealing ring A5 needs to be set between the valve seat A1 and the bottle valve A2 at the same time to ensure the sealing performance between the valve seat A1 and the bottle valve A2, and the first sealing ring A5 is provided between the inner bladder A3 and the valve seat A1.
  • the second sealing ring A6 guarantees the tightness between the inner liner A3 and the valve seat A1.
  • the bottle valve A2 and the communication channel A4 can be sealed, when the first sealing ring A5 and the second sealing ring A6 When any one of the seals fails, the overall seal of the pressure vessel A0 may fail, so the sealing reliability of this solution is poor.
  • the first objective of the present application is to provide a pressure vessel that can at least improve the reliability of the seal between the bottle valve and the communication channel to a certain extent.
  • a pressure vessel includes a shell, a bottle valve, a valve seat, and an inner tank.
  • the shell has a storage space in the shell, and the shell has a communication channel that allows the storage space to communicate with the outside.
  • the communicating passage is used to adjust the opening of the communicating passage, at least part of the valve seat is supported between the bottle valve and the communicating passage, and the housing is provided with an inner wall surface facing the storage space
  • the liner, the liner connecting part is formed between the liner and the shell, the bottle valve penetrates the liner, and the liner also has an outer peripheral surface suitable for surrounding and fitting the bottle valve
  • the fitting part, the inner wall surface of the valve seat is provided with a limit part suitable for fitting with the outer peripheral surface of the bottle valve to limit the position.
  • valve seat includes: a first support portion and a second support portion, the first support portion is located in the communication passage and is clamped in a position between the communication passage and the bottle valve, so The second support portion is located in the storage space and abuts against the inner wall surface of the housing, the first support portion is connected to the second support portion, and the second support portion is located on the Inside the connecting part of the liner.
  • the depth of the bottle valve extending into the storage space in the direction of the communication passage does not exceed the depth of the valve seat extending into the storage space in the direction of the communication passage, and the inner liner has a direction toward the storage space.
  • a convex curved portion, the inner side of the curved portion forms the inner liner connecting portion, the curved portion has a through opening for penetrating the bottle valve, and the peripheral edge of the through opening surrounds the A fitting part, the fitting part is located in the inner liner connecting part, and the fitting part is sandwiched between the bottle valve and the valve seat.
  • the depth of the bottle valve extending into the storage space in the direction of the communication passage exceeds the depth of the valve seat extending into the storage space in the direction of the communication passage, and the inner liner has a convexity toward the storage space.
  • the inner side of the curved portion forms the inner liner connecting portion, the curved portion has a through opening for penetrating the bottle valve, and the sticker is surrounded by the peripheral edge of the through opening.
  • the fitting part is suitable for fitting with the part of the bottle valve protruding from the inner liner connecting part.
  • the free end of the affixing portion forms an annular sealing groove, and a first sealing member for sealing the bottle valve and the affixing portion is sleeved in the annular sealing groove.
  • a spare seal for sealing the bottle valve and the fitting part is sleeved in the annular sealing groove.
  • valve seat and the curved portion are attached and fixed.
  • the pressure vessel described in this application has the following advantages:
  • the sealing between the inner container and the bottle valve can be ensured, and the sealing between the bottle valve and the communication channel can be realized, thereby reducing the difficulty of sealing and reducing Processing cost, and the sealing reliability between the bottle valve and the communication channel is strong.
  • the inner wall surface of the valve seat is provided with a limit part adapted to fit with the outer peripheral surface of the bottle valve to limit the position, which can ensure the stable support of the bottle valve by the valve seat.
  • the second purpose of the application is to provide a vehicle including any of the pressure vessels described above.
  • FIG. 1 is a schematic diagram of the structure of the pressure vessel according to the first embodiment of the application
  • Figure 2 is an enlarged view of A in Figure 1;
  • FIG. 3 is a schematic diagram of the structure of the pressure vessel according to the second embodiment of the application.
  • Figure 4 is a schematic diagram of the structure of a pressure vessel in the prior art.
  • Pressure vessel 100 housing 1, bottle valve 2, valve seat 3, first support portion 31, second support portion 32, limit portion 33, inner liner 4, curved portion 41, fitting portion 42, annular sealing groove 43 , The inner bladder connecting part 5, the storage space 6, the first seal 71, the spare seal 72, and the communication channel 8.
  • the pressure vessel 100 may include a housing 1, a bottle valve 2, a valve seat 3, and an inner container 4.
  • the housing 1 has a storage space 6 for storing gas, liquid and other fluids. .
  • the housing 1 has a communication channel 8 that allows the storage space 6 to communicate with the outside world.
  • the bottle valve 2 is arranged at the communication channel 8 for adjusting the opening of the communication channel 8. When the bottle valve 2 is opened, the external fluid can pass through the communication through the bottle valve 2.
  • the channel 8 enters the pressure vessel 100 or the fluid flows out of the pressure vessel 100 through the communication channel 8 via the bottle valve 2.
  • the bottle valve 2 prohibits fluid exchange between the fluid in the pressure vessel 100 and the outside through the communication channel 8.
  • valve seat 3 is supported between the bottle valve 2 and the communication channel 8 to increase the strength of the valve seat 3 at the communication channel 8 and prevent the pressure of the fluid in the pressure vessel 100 from being too high. , Causing the bottle valve 2 to deform under the action of the pressure difference between the fluid pressure in the pressure vessel 100 and the outside atmosphere.
  • the inner wall surface of the housing 1 facing the storage space 6 is provided with an inner liner 4, which can further enhance the support for the valve seat 3 and the bottle valve 2 to prevent the bottle valve 2 from being deformed under pressure.
  • a liner connecting portion 5 is formed between the liner 4 and the housing 1, at least part of the valve seat 3 is accommodated in the liner connecting portion 5, and the bottle valve 2 passes through the liner 4 to the storage space 6 from the liner connecting portion 5,
  • the inner container 4 also has a fitting portion 42 adapted to surround the outer peripheral surface of the bottle valve 2.
  • the valve seat 3 located in the inner liner connecting portion 5 can be separated from the storage space 6, thereby eliminating the need to provide additional sealing measures between the valve seat 3 and the inner liner 4. That is, the sealing of the bottle valve 2 and the communication channel 8 can be ensured. Since this solution only needs to seal the bonding part 42 and the inner liner 4, the sealing reliability is stronger. It should be noted that since the fitting portion 42 is sealed with the inner liner 4, the valve seat 3 and the bottle valve 2 do not need to be sealed to ensure the tightness of the storage space 6.
  • the inner wall surface of the valve seat 3 is provided with a limiting portion 33 adapted to fit and limit the outer peripheral surface of the bottle valve 2.
  • the limiting portion 33 can ensure the stable support of the bottle valve 2 by the valve seat 3.
  • the valve seat 3 includes: a first support portion 31 and a second support portion 32.
  • the first support portion 31 is located in the communication channel 8 and is clamped in the communication channel 8 and the bottle. Between the valves 2 to prevent the bottle valve 2 from rotating in the communication channel 8, the bottle valve 2 is installed reliably.
  • the second support portion 32 is located in the storage space 6 and abuts against the inner wall surface of the housing 1.
  • the first support portion 31 is connected to the second support portion 32, and the second support portion 32 can strengthen the strength of the valve seat 3, thereby further
  • the second support portion 32 may be located in the inner bladder connecting portion 5.
  • the depth of the bottle valve 2 extending into the storage space 6 along the direction of the communication channel 8 does not exceed the depth of the valve seat 3 extending into the storage space 6 along the direction of the communication channel 8.
  • the inner container 4 has a curved portion 41 protruding toward the storage space 6.
  • the inner side of the curved portion 41 and the inner wall surface of the housing 1 form an inner container connecting portion 5, and the curved portion 41 has a penetration port for piercing the bottle valve 2 ,
  • the fitting portion 42 surrounded by the circumferential edge of the perforation port, the fitting portion 42 is located in the inner connecting portion 5, and the fitting portion 42 is sandwiched between the bottle valve 2 and the valve seat 3, so that the fitting portion 42 is attached and fixed to the bottle valve 2 to ensure the sealing performance of the attached portion 42 and the bottle valve 2 and at the same time, the valve seat 3 can be sealed outside the storage space 6.
  • the depth of the bottle valve 2 extending into the storage space 6 along the direction of the communication channel 8 may also exceed the depth of the valve seat 3 extending into the storage space 6 along the direction of the communication channel 8.
  • the bladder 4 has a curved portion 41 protruding toward the storage space 6, and the inner side of the curved portion 41 forms the inner bladder connecting portion 5.
  • the curved portion 41 has a through hole for piercing the bottle valve 2, and the peripheral edge of the through hole is surrounded by The fitting portion 42, which is located outside the inner container connecting portion 5 and is attached to the part of the bottle valve 2 extending out of the inner container connecting portion 5, to ensure the sealing performance of the fitting portion 42 and the bottle valve 2, and at the same time
  • the valve seat 3 is sealed outside the storage space 6.
  • the free end of the fitting portion 42 may be formed in a stepped ring shape to form an annular sealing groove 43.
  • the annular sealing groove 43 is sleeved with a first valve for sealing the bottle valve 2 and the fitting portion 42.
  • the sealing element 71 and the first sealing element 71 may be a sealing ring, and the first sealing element 71 is sleeved and fixed between the bottle valve 2 and the fitting part 42 to enhance the sealing performance between the bottle valve 2 and the fitting part 42.
  • the annular sealing groove 43 is also sleeved with a spare seal 72 for sealing the bottle valve 2 and the fitting portion 42.
  • the spare seal 72 may be a sealing ring, and the spare seal 72 is sleeved and fixed. Between the bottle valve 2 and the fitting part 42, the spare seal 72 can be located on the side of the bottle valve 2 away from the storage space 6 in the axial direction relative to the first seal 71, so the spare seal 72 can be used as the first seal 71, in order to ensure a better seal between the bottle valve 2 and the fitting portion 42 after the first sealing element 71 fails.
  • the bottle valve 2 has a columnar shape
  • the attachment portion 42 is an annular member attached to the bottle valve 2. Both the curved portion 41 and the fitting portion 42 can be formed by bending the inner liner 4.
  • valve seat 3 and the curved portion 41 are attached and fixed.
  • the bending portion 41 can fix the valve seat 3 to improve the stability of the valve seat 3 supporting the bottle valve 2.
  • the vehicle of the embodiment of the present application is provided with a pressure vessel as in any of the foregoing embodiments of the present application.
  • the fuel in the pressure vessel is not prone to leakage, avoiding combustion or explosion caused by fuel leakage of the vehicle, and the vehicle is reliable in operation.

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Abstract

一种压力容器(100)和车辆，压力容器(100)包括壳体(1)、瓶阀(2)、阀座(3)、内胆(4)，壳体(1)内具有存储空间(6)，壳体(1)具有令存储空间(6)与外界连通的连通通道(8)，瓶阀(2)设置在连通通道(8)处以用于调节连通通道(8)的开度，阀座(3)的至少部分支撑在瓶阀(2)与连通通道(8)之间，壳体(1)的内壁面设有内胆(4)，瓶阀(2)穿出内胆(4)，内胆(4)还具有适于环绕贴合瓶阀(2)的外周面的贴合部(42)，所述阀座(3)的内壁面设有适于与所述瓶阀(2)的外周面贴合限位的限位部(33)。通过这种设置，仅需保证内胆（4）与瓶阀（2）之间的密封，即可实现瓶阀（2）与连通通道（8）之间的密封，从而降低密封难度，缩减加工成本，使瓶阀（2）与连通通道（8）之间的密封可靠性强。

Description

压力容器和车辆
相关申请的交叉引用
本申请要求申请日为2019年9月26日、申请号为201910917542.8、专利申请名称为“压力容器和车辆”的优先权。
技术领域
本申请涉及压力设备制造领域，具体而言，涉及一种压力容器和车辆。
背景技术
相关技术中，压力容器可以有多种应用，例如可以应用在燃料电池汽车或天然气汽车等新能源车辆中，用作车辆的燃料存储装置。如果压力容器中的燃料气体泄漏，存在发生爆炸的风险，因此，压力容器需要具有可靠的密封性能。
在现有压力容器A0中，例如公开号CN101548128B的专利中，如图4所示，阀座A1套设密封在瓶阀A2外，内胆A3套设密封在阀座A1外，为保证容器密封性，该方案中需要同时在阀座A1与瓶阀A2之间设置第一密封圈A5保证阀座A1与瓶阀A2之间的密封性，以及在内胆A3与阀座A1之间设置第二密封圈A6保证内胆A3与阀座A1之间的密封性，由于需要同时保证两处密封，才能实现瓶阀A2与连通通道A4的密封，当第一密封圈A5和第二密封圈A6其中任意一处密封失效时，均可能导致压力容器A0整体密封失效，因此该方案密封可靠性差。
公开内容
有鉴于此，本申请的第一目的旨在提出一种至少能在一定程度上提高瓶阀与连通通道之间的密封可靠性的压力容器。
为达到上述目的，本申请的技术方案是这样实现的：
一种压力容器，包括壳体、瓶阀、阀座、内胆，所述壳体内具有存储空间，所述壳体具有令所述存储空间与外界连通的连通通道，所述瓶阀设置在所述连通通道处以用于调节所述连通通道的开度，所述阀座的至少部分支撑在所述瓶阀与所述连通通道之间，所述壳体朝向所述存储空间的内壁面设有所述内胆，所述内胆与所述壳体间形成内胆连接部，所述瓶阀穿出所述内胆，所述内胆还具有适于环绕贴合所述瓶阀的外周面的贴合部，所述阀座的内壁面设有适于与所述瓶阀的外周面贴合限位的限位部。
进一步地，所述阀座包括：第一支撑部和第二支撑部，所述第一支撑部位于所述连通通道内且夹设定位在所述连通通道与所述瓶阀之间，所述第二支撑部位于所述存储空间内且止抵在所述壳体的所述内壁面上，所述第一支撑部与所述第二支撑部连接，所述第二支撑部位于所述内胆连接部内。
进一步地，所述瓶阀沿所述连通通道方向伸入所述存储空间的深度不超过所述阀座沿所述连通通道方向伸入所述存储空间的深度，所述内胆具有朝向存储空间凸起的弯曲部，所述弯曲部内侧形成所述内胆连接部，所述弯曲部具有用于穿设所述瓶阀的穿设口，所述穿设口的周向边缘环绕的所述贴合部，所述贴合部位于所述内胆连接部内，且所述贴合部夹设在所述瓶阀与所述阀座之间。
进一步地，所述瓶阀沿所述连通通道方向伸入所述存储空间的深度超过所述阀座沿所述连通通道方向伸入所述存储空间的深度，所述内胆具有朝向存储空间凸起的弯曲部，所述弯曲部内侧形成所述内胆连接部，所述弯曲部具有用于穿设所述瓶阀的穿设口，所述穿设口的周向边缘环绕的所述贴合部，所述贴合部适于与所述瓶阀伸出所述内胆连接部的部分贴合。
进一步地，所述贴合部的自由端形成环形密封槽，所述环形密封槽内套设有用于密封所述瓶阀与所述贴合部的第一密封件。
进一步地，所述环形密封槽内还套设有用于密封所述瓶阀与所述贴合部的备用密封件。
进一步地，所述阀座与所述弯曲部贴合固定。
相对于现有技术，本申请所述的压力容器具有以下优势：
1)根据本申请的压力容器，通过设置内胆连接部，仅需保证内胆与瓶阀之间的密封，即可实现瓶阀与连通通道之间的密封，从而降低了密封难度，缩减了加工成本，瓶阀与连通通道之间的密封可靠性强。通过在阀座的内壁面设有适于与瓶阀的外周面贴合限位的限位部，可以保证阀座对瓶阀的稳定支撑。
本申请的第二目的在于提出一种车辆，包括上述任一种所述的压力容器。
相对于现有技术，本申请所述的车辆具有以下优势：
1)根据本申请的车辆，通过设置压力容器，压力容器内的燃料不容易发生泄露，避免车辆的燃料泄露发生燃烧或爆炸，车辆工作可靠。
附图说明
构成本申请的一部分的附图用来提供对本申请的进一步理解，本申请的示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1为本申请第一实施例所述的压力容器的结构示意图；
图2为图1中A处的放大图；
图3为本申请第二实施例所述的压力容器的结构示意图；
图4为现有技术中压力容器的结构示意图。
附图标记说明：
压力容器100，壳体1，瓶阀2，阀座3，第一支撑部31，第二支撑部32，限位部33，内胆4，弯曲部41，贴合部42，环形密封槽43，内胆连接部5，存储空间6，第一密封件71，备用密封件72，连通通道8。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
下面将参考附图并结合实施例来详细说明本申请。
下面参考图1-图3并结合实施例描述本申请实施例的压力容器100。
如图1-图3所示，压力容器100可以包括壳体1、瓶阀2、阀座3、内胆4，壳体1内具有存储空间6，存储空间6用于储存气体、液体等流体。壳体1具有令存储空间6与外界连通的连通通道8，瓶阀2设置在连通通道8处以用于调节连通通道8的开度，瓶阀2开启时，外界流体可以经由瓶阀2通过连通通道8进入压力容器100内，或者流体经由瓶阀2通过连通通道8从压力容器100流出。而在瓶阀2关闭时，瓶阀2禁止压力容器100内流体通过连通通道8与外界发生流体交换。
如图1-图3所示，阀座3的至少部分支撑在瓶阀2与连通通道8之间，以增加阀座3在连通通道8处的强度，防止由于压力容器100内流体压力过高，导致瓶阀2在压力容器100内流体压力与外界大气之间压差作用下变形。
如图1-图3所示，壳体1朝向存储空间6的内壁面设有内胆4，内胆4可以进一步增强对阀座3以及瓶阀2的支撑，避免瓶阀2受压变形。内胆4与壳体1间形成内胆连接部5，阀座3的至少部分容纳在内胆连接部5内，瓶阀2从内胆连接部5通过内胆4穿出至存储空间6，内胆4还具有适于环绕贴合瓶阀2的外周面的贴合部42。
通过贴合部42与内胆4密封，位于内胆连接部5内的阀座3即可与存储空间6分隔开，由此无需在阀座3与内胆4之间再设置密封措施，即可保证瓶阀2与连通通道8的密封。由于本方案仅需对贴合部42与内胆4这一处进行密封，密封可靠性更强。需要说明的是，由于贴合部42与内胆4密封，也无需令阀座3与瓶阀2密封，即可保证存储空间6的密封性。
具体地，如图2所示，阀座3的内壁面设有适于与瓶阀2的外周面贴合限位的限位部 33。由此，限位部33可以保证阀座3对瓶阀2的稳定支撑。
具体地，如图1-图3所示，阀座3包括：第一支撑部31和第二支撑部32，第一支撑部31位于连通通道8内且夹设定位在连通通道8与瓶阀2之间，以防止瓶阀2在连通通道8内转动，瓶阀2安装可靠。第二支撑部32位于存储空间6内且止抵在壳体1的内壁面上，第一支撑部31与第二支撑部32连接，第二支撑部32可以加强阀座3的强度，从而进一步保证阀座3对瓶阀2的稳固作用，第二支撑部32可以位于内胆连接部5内。
在一些具体的实施例中，如图1-图2所示，瓶阀2沿连通通道8方向伸入存储空间6的深度不超过阀座3沿连通通道8方向伸入存储空间6的深度，内胆4具有朝向存储空间6凸起的弯曲部41，弯曲部41内侧与壳体1的内壁面之间形成内胆连接部5，弯曲部41具有用于穿设瓶阀2的穿设口，穿设口的周向边缘环绕的贴合部42，贴合部42位于内胆连接部5内，且贴合部42夹设在瓶阀2与阀座3之间，以使贴合部42与瓶阀2贴合固定，保证贴合部42与瓶阀2的密封性，同时可以将阀座3封隔在存储空间6外。
在另一些具体的实施例中，如图3所示，瓶阀2沿连通通道8方向伸入存储空间6的深度也可以超过阀座3沿连通通道8方向伸入存储空间6的深度，内胆4具有朝向存储空间6凸起的弯曲部41，弯曲部41内侧形成内胆连接部5，弯曲部41具有用于穿设瓶阀2的穿设口，穿设口的周向边缘环绕的贴合部42，贴合部42位于内胆连接部5外且与瓶阀2伸出内胆连接部5的部分贴合，以保证贴合部42与瓶阀2的密封性，同时可以将阀座3封隔在存储空间6外。
具体地，如图2所示，贴合部42的自由端可以形成阶梯的环形，以形成环形密封槽43，环形密封槽43内套设有用于密封瓶阀2与贴合部42的第一密封件71，第一密封件71可以为密封圈，第一密封件71套设固定在瓶阀2与贴合部42之间，以增强瓶阀2与贴合部42之间的密封性。
具体地，如图2所示，环形密封槽43内还套设有用于密封瓶阀2与贴合部42的备用密封件72，备用密封件72可以为密封圈，备用密封件72套设固定在瓶阀2与贴合部42之间，备用密封件72相对第一密封件71可以位于瓶阀2轴向上背离存储空间6的一侧，由此备用密封件72可以作为第一密封件71，以在第一密封件71失效后保证瓶阀2与贴合部42之间具有较好的密封性。
具体地，瓶阀2为柱状，贴合部42为与瓶阀2贴合的环形件。弯曲部41和贴合部42均可以通过对内胆4折弯形成。
具体地，如图1-图3所示，阀座3与弯曲部41贴合固定。由此，弯曲部41可以对阀座3进行固定，以提高阀座3对瓶阀2的支撑稳定性。
下面描述本申请实施例的车辆。
本申请实施例的车辆设有如本申请上述任一种实施例的压力容器。
根据本申请实施例的车辆，通过设置压力容器，压力容器内的燃料不容易发生泄露，避免车辆的燃料泄露发生燃烧或爆炸，车辆工作可靠。
以上仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (8)

  1. 一种压力容器(100)，其特征在于，包括：壳体(1)、瓶阀(2)、阀座(3)、内胆(4)，所述壳体(1)内具有存储空间(6)，所述壳体(1)具有令所述存储空间(6)与外界连通的连通通道(8)，所述瓶阀(2)设置在所述连通通道(8)处以用于调节所述连通通道(8)的开度，所述阀座(3)的至少部分支撑在所述瓶阀(2)与所述连通通道(8)之间，所述壳体(1)朝向所述存储空间(6)的内壁面设有所述内胆(4)，所述内胆(4)与所述壳体(1)间形成内胆连接部(5)，所述瓶阀(2)穿出所述内胆(4)，所述内胆(4)还具有适于环绕贴合所述瓶阀(2)的外周面的贴合部(42)，所述阀座(3)的内壁面设有适于与所述瓶阀(2)的外周面贴合限位的限位部(33)。
  2. 根据权利要求1所述的压力容器(100)，其特征在于，所述阀座(3)包括：第一支撑部(31)和第二支撑部(32)，所述第一支撑部(31)位于所述连通通道(8)内且夹设定位在所述连通通道(8)与所述瓶阀(2)之间，所述第二支撑部(32)位于所述存储空间(6)内且止抵在所述壳体(1)的所述内壁面上，所述第一支撑部(31)与所述第二支撑部(32)连接，所述第二支撑部(32)位于所述内胆连接部(5)内。
  3. 根据权利要求1所述的压力容器(100)，其特征在于，所述瓶阀(2)沿所述连通通道(8)方向伸入所述存储空间(6)的深度不超过所述阀座(3)沿所述连通通道(8)方向伸入所述存储空间(6)的深度，所述内胆(4)具有朝向存储空间(6)凸起的弯曲部(41)，所述弯曲部(41)内侧形成所述内胆连接部(5)，所述弯曲部(41)具有用于穿设所述瓶阀(2)的穿设口，所述穿设口的周向边缘环绕的所述贴合部(42)，所述贴合部(42)位于所述内胆连接部(5)内，且所述贴合部(42)夹设在所述瓶阀(2)与所述阀座(3)之间。
  4. 根据权利要求1所述的压力容器(100)，其特征在于，所述瓶阀(2)沿所述连通通道(8)方向伸入所述存储空间(6)的深度超过所述阀座(3)沿所述连通通道(8)方向伸入所述存储空间(6)的深度，所述内胆(4)具有朝向存储空间(6)凸起的弯曲部(41)，所述弯曲部(41)内侧形成所述内胆连接部(5)，所述弯曲部(41)具有用于穿设所述瓶阀(2)的穿设口，所述穿设口的周向边缘环绕的所述贴合部(42)，所述贴合部(42)适于与所述瓶阀(2)伸出所述内胆连接部(5)的部分贴合。
  5. 根据权利要求3或4所述的压力容器(100)，其特征在于，所述贴合部(42)的自由端形成环形密封槽(43)，所述环形密封槽(43)内套设有用于密封所述瓶阀(2)与所述贴合部(42)的第一密封件(71)。
  6. 根据权利要求5所述的压力容器(100)，其特征在于，所述环形密封槽(43)内还 套设有用于密封所述瓶阀(2)与所述贴合部的备用密封件(72)。
  7. 根据权利要求3或4所述的压力容器(100)，其特征在于，所述阀座(3)与所述弯曲部(41)贴合固定。
  8. 一种车辆，其特征在于，设置有如权利要求1-7中任一项所述的压力容器(100)。
PCT/CN2020/116807 2019-09-26 2020-09-22 压力容器和车辆 WO2021057717A1 (zh)

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