WO2023116693A1 - 隔热瓶内胆以及隔热瓶和车辆 - Google Patents

隔热瓶内胆以及隔热瓶和车辆 Download PDF

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Publication number
WO2023116693A1
WO2023116693A1 PCT/CN2022/140369 CN2022140369W WO2023116693A1 WO 2023116693 A1 WO2023116693 A1 WO 2023116693A1 CN 2022140369 W CN2022140369 W CN 2022140369W WO 2023116693 A1 WO2023116693 A1 WO 2023116693A1
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WIPO (PCT)
Prior art keywords
heat
installation
resistant
cavity
ring
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Application number
PCT/CN2022/140369
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English (en)
French (fr)
Inventor
马小红
黄欢明
王东雨
吴宜兵
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未势能源科技有限公司
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Publication of WO2023116693A1 publication Critical patent/WO2023116693A1/zh

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    • 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
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/08—Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask
    • 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
    • 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
    • F17C13/001—Thermal insulation specially adapted for cryogenic vessels
    • 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
    • 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
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0345—Fibres
    • 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
    • F17C2203/03—Thermal insulations
    • F17C2203/0391—Thermal insulations by vacuum
    • 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
    • F17C2203/03—Thermal insulations
    • F17C2203/0391—Thermal insulations by vacuum
    • F17C2203/0395—Getter
    • 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
    • F17C2205/01—Mounting arrangements
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/0126—One vessel
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/234—Manufacturing of particular parts or at special locations of closing end pieces, e.g. caps
    • 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
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/238—Filling of insulants
    • 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
    • F17C2260/031—Dealing with losses due to heat transfer
    • F17C2260/032—Avoiding freezing or defrosting
    • 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
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/06—Fluid distribution
    • F17C2265/065—Fluid distribution for refueling vehicle fuel tanks
    • 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

  • the present application relates to the technical field of vehicles, in particular, to a heat-insulated bottle liner, a heat-insulated bottle and a vehicle.
  • the power of hydrogen energy vehicles comes from the hydrogen storage of hydrogen storage bottles.
  • Existing hydrogen storage bottles usually store high-pressure gaseous hydrogen.
  • the hydrogen storage capacity of hydrogen storage bottles is small, and the cruising range of vehicles is poor.
  • the hydrogen can be compressed, cooled and liquefied and stored in an insulated bottle to increase the hydrogen storage capacity.
  • the heat insulation effect of the existing insulated bottle is poor, especially the tail of the insulated bottle liner
  • the heat leakage at the support is large, resulting in poor heat insulation performance of the heat-insulated bottle, which makes it difficult to meet the storage conditions of liquid hydrogen.
  • the purpose of this application is to propose a heat-insulating bottle liner to improve the thermal insulation effect of the liner body.
  • a heat-insulating bottle liner comprising: a liner body, on which a mounting groove is provided; an installation assembly, the installation assembly including a mounting portion and a multi-layer heat-resistant connection portion
  • the multi-layer heat-resistant connection parts are connected end to end layer by layer and surround the outside of the installation part, the installation part is connected to the installation groove through the multi-layer heat-resistant connection part, and the multi-layer heat resistance
  • the thermal connection defines a thermally resistive cavity.
  • each layer of the heat-resistant connection part includes: a connected heat-resistant pipe and a connecting ring, the heat-resistant pipes of two adjacent layers are spaced apart in the radial direction, and the innermost layer of the heat-resistant pipe The heat pipe is spaced apart from the installation part in the radial direction, and the heat resistance pipes of two adjacent layers are connected by the connecting ring, and the heat resistance pipe of the innermost layer is connected to the installation part by the connection ring.
  • the installation groove has a circumferential groove wall and an end groove wall, and an end of the outermost heat-resistant tube away from the connecting ring connected thereto is adapted to be connected to the end groove wall.
  • the installation part includes an installation tube and a blocking cover, the blocking cover is provided at an end of the installation tube away from the installation groove, an installation cavity is defined in the installation tube, and the installation The cavity communicates with the heat-resistant cavity and forms a negative pressure cavity.
  • the blocking cover is a molecular sieve disc, and molecular sieves are filled in the installation cavity and the heat-resistant cavity.
  • multiple layers of the heat-resistant connecting portion protrude from the installation groove in sequence.
  • the heat-insulated bottle liner described in this application has the following advantages:
  • the installation part is connected to the installation groove through a multi-layer heat-resistant connection part connected end to end in order to increase the length of the thermal bridge and reduce the heat transfer from the external heat to the inner body through the installation part.
  • a multi-layer heat-resistant connection part connected end to end in order to increase the length of the thermal bridge and reduce the heat transfer from the external heat to the inner body through the installation part.
  • Another object of the present application is to provide an insulated bottle to improve the heat preservation effect of the insulated bottle.
  • a heat-insulated bottle comprising an outer shell, a limiting device and the above-mentioned heat-insulating bottle liner, the installation part is connected to the outer shell through the limiting device.
  • the heat-insulated bottle described in the application has the following advantages:
  • the mounting part of the heat-insulating bottle liner is connected to the outer shell through a limiting device, and a multi-layer heat-resistant connection part connected end to end is arranged between the mounting part and the liner body to increase the heat bridge
  • the length reduces the heat transfer from the shell to the inner tank body through the installation part, which is conducive to improving the heat preservation effect of the heat-insulating bottle.
  • the limiting device includes a support strap and a heat insulating ring, the support strap is connected to the housing, the support strap has a support hole, and the heat insulation ring is fixed on the support hole , and the heat insulating ring is sleeved on the end of the installation portion away from the installation groove.
  • the heat insulating ring is slidably connected with the installation part.
  • Another object of the present application is to propose a vehicle to increase the cruising range of the vehicle.
  • a vehicle includes the above heat-insulated bottle.
  • the vehicle described in this application has a good heat insulation effect, can store liquid hydrogen, and can effectively avoid evaporation loss.
  • the heat insulation bottle can be a vehicle-mounted liquid hydrogen bottle.
  • the liquid hydrogen bottle has a larger hydrogen storage capacity, which is conducive to improving the cruising range of the vehicle.
  • Fig. 1 is the structural representation of the heat-insulated bottle of the embodiment of the present application.
  • Figure 2 is a partially enlarged view of Figure 1;
  • Fig. 3 is the schematic diagram of the installation groove of the embodiment of the present application.
  • Fig. 4 is a schematic diagram of the installation groove and the first heat-resistant connecting part of the embodiment of the present application.
  • Fig. 5 is a schematic diagram of the installation groove and the first to second heat-resistant connecting parts of the embodiment of the present application;
  • Fig. 6 is a schematic diagram of the installation groove and the first to third heat-resistant connecting parts of the embodiment of the present application.
  • Fig. 7 is a schematic diagram of the installation groove and the first to fourth heat-resistant connecting parts of the embodiment of the present application.
  • Fig. 8 is a schematic diagram of the installation groove and the installation assembly of the embodiment of the present application.
  • the heat-insulated bottle liner 10 according to the embodiment of the present application will be described in detail below with reference to FIGS. 1-8 .
  • the heat-insulated bottle liner 10 includes: a liner body 1 and an installation assembly 2, wherein:
  • the inner tank body 1 defines the inner tank accommodation chamber 11, which can be used to store objects that need to be kept warm, such as liquid hydrogen.
  • the inner tank body 1 is provided with a mounting groove 12, and the installation groove 12 is sunken toward the inner side of the inner tank housing cavity 11.
  • the groove 12 can be located at the tail of the heat-insulating bottle liner 10 .
  • the mounting assembly 2 includes a mounting part 21 and a multi-layer heat-resistant connecting part 22.
  • the mounting part 21 can be used to connect with the shell 20 of the heat-insulating bottle to realize the fixing of the heat-insulating bottle.
  • the length of the heat path that is, increasing the length of the thermal bridge, reduces the heat transfer from the external heat to the inner tank body 1 through the installation part 21 , thereby improving the heat preservation effect of the inner tank body 1 .
  • the multi-layer heat-resistant connection part 22 defines a heat-resistant cavity 2211, that is to say, two adjacent layers of heat-resistant connection parts 22 are spaced apart from the end-to-end connection and form a heat-resistant cavity 2211 to ensure the length of the thermal bridge, preferably Specifically, the heat-resistant cavity 2211 can be vacuumed to prevent the gap between the multi-layer heat-resistant connecting parts 22 from transferring heat through the gas.
  • the installation part 21 is connected to the installation groove 12 through a multi-layer heat-resistant connection part 22 connected end to end in order to increase the length of the thermal bridge and reduce the external heat passing through the installation part 21 inward.
  • the heat transfer of the liner body 1 is conducive to improving the heat preservation effect of the liner body 1 .
  • the head end of the heat-resistant connecting part 22 is the end of the heat-resistant pipe 221 away from the connecting ring 222
  • the tail end of the heat-resistant connecting part 22 is the inner ring of the connecting ring 222
  • the two adjacent layers of heat-resistant pipes 221 are in the radial direction Spaced apart
  • the innermost heat-resistant tube 221 is spaced apart from the mounting part 21 in the radial direction
  • two adjacent layers of heat-resistant tubes 221 are connected by a connecting ring 222
  • the innermost heat-resistant tube 221 and the mounting part 21 are connected by a connecting ring 222 connection
  • two adjacent layers of heat-resisting tubes 221 are radially spaced connected by connecting ring 222
  • two adjacent layers of heat-resisting tubes 221 transfer heat through the connecting ring 222 connecting the two, and the mounting part 21 and the innermost layer of the resistance
  • the heat of the heat pipe 221 is also transferred
  • the diameter and length of the heat-resistant pipe 221 from the outermost layer to the innermost heat-resistant connecting portion 22 decrease gradually.
  • the installation groove 12 has a circumferential groove wall and an end groove wall.
  • One end of the outermost heat-resistant pipe 221 away from the connecting ring 222 connected thereto is suitable for connecting with the end groove wall, that is to say, the head end of the outermost heat-resistant connecting portion 22 is in contact with the end groove wall.
  • the outermost heat-resisting pipe 221 is spaced apart from the circumferential groove wall in the radial direction to ensure the length of the thermal bridge and improve the heat-insulating effect of the heat-resisting connecting portion 22 .
  • the mounting part 21 includes a mounting tube 211 and a blocking cover 212.
  • the blocking cover 212 is arranged at the end of the mounting tube 211 away from the mounting groove 12, and inside the mounting tube 211
  • the installation cavity 2111 is defined, and the installation cavity 2111 communicates with the heat resistance cavity 2211 to form a negative pressure cavity to reduce the air in the installation cavity 2111 and the heat resistance cavity 2211 and reduce the heat transfer of the gas, thereby improving the heat insulation effect of the installation assembly 2 .
  • the plugging cover 212 can be a non-sealed cover, and the plugging cover 212 can be used to lift the installation pipe 211
  • the blocking cover 212 can be a sealing cover to ensure that the installation cavity 2111 and the heat-resistant cavity 2211 are sealed from the external environment to prevent air leakage from the negative pressure cavity.
  • the blocking cover 212 is a molecular sieve plate, and the installation cavity 2111 and the heat-resistant cavity 2211 are filled with molecular sieves. It can be understood that the gas can pass through the molecular sieve plate, and the molecular sieve plate can prevent the molecular sieve from leaking out of the installation cavity 2111 With the heat-resistant cavity 2211, the molecular sieve can be used to adsorb gas, and the molecular sieve can be a 5A molecular sieve to absorb the gas in the installation cavity 2111 and the heat-resistant cavity 2211, such as water vapor, which is beneficial to further reduce the amount of gas in the installation cavity 2111 and the heat-resistant cavity 2211. gas, reducing gas heat transfer.
  • the multi-layer heat-resisting connecting portion 22 protrudes from the installation groove 12 sequentially, so as to ensure the length of the heat-resisting tube 221 to facilitate Assembly of the multilayer heat-resistant connecting portion 22 .
  • the heat-resistant tube 221 and the connecting ring 222 are connected by welding, and the multi-layer heat-resistant connecting portion 22 sequentially protrudes from the installation groove 12 to provide an operation space for welding.
  • the tail of the liner body 1 is provided with an opening, and a tail pipe 121 and a tail plate 122 are connected at the opening to form a mounting groove 12, wherein,
  • the inner wall of the tail pipe 121 is a circumferential groove wall, and the inner wall of the tail plate 122 is an end groove wall.
  • the mounting assembly 2 includes a mounting part 21 and a four-layer heat-resistant connecting part 22. In the radial direction of the mounting part 21, the four-layer heat-resistant connecting part 22 is sequentially the first heat-resistant connecting part 22a and the second heat-resistant connecting part 22a from outside to inside.
  • the connection part 22b, the third heat resistance connection part 22c and the fourth heat resistance connection part 22d wherein:
  • the first heat-resistant connecting portion 22a includes a first heat-resistant pipe 221a and a first connecting ring 222a. One end of a heat-resistant tube 221a away from the first connecting ring 222a, and the tail end of the first heat-resistant connecting portion 22a is the inner ring of the first connecting ring 222a.
  • the second heat-resistant connection part 22b includes a second heat-resistant pipe 221b and a second connecting ring 222b.
  • the outer ring of the second connecting ring 222b is connected to one end of the second heat-resistant pipe 221b.
  • the end of the second heat-resistant pipe 221b away from the second connecting ring 222b, the tail end of the second heat-resistant connecting portion 22b is the inner ring of the second connecting ring 222b.
  • the third heat-resistant connection part 22c includes a third heat-resistant pipe 221c and a third connecting ring 222c.
  • the outer ring of the third connecting ring 222c is connected to one end of the third heat-resistant pipe 221c.
  • the end of the three heat-resisting pipes 221c away from the third connecting ring 222c, the tail end of the third heat-resisting connecting portion 22c is the inner ring of the third connecting ring 222c.
  • the fourth heat-resistant connection part 22c includes a fourth heat-resistant pipe 221c and a fourth connecting ring 222c, the outer ring of the fourth connecting ring 222c is connected to one end of the fourth heat-resistant pipe 221c, and the first end of the fourth heat-resistant connecting part 22c is the first The end of the four heat-resistant pipes 221c away from the fourth connecting ring 222c, the tail end of the fourth heat-resistant connecting portion 22c is the inner ring of the fourth connecting ring 222c.
  • the head end of the first heat-resistant connecting portion 22a is connected to the end groove wall
  • the tail end of the first heat-resistant connecting portion 22a is connected to the head end of the second heat-resistant connecting portion 22b
  • the tail end of the second heat-resistant connecting portion 22b is connected to the head end of the third heat-resistant connecting portion 22c
  • the tail end of the third heat-resistant connecting portion 22c is connected to the head end of the fourth heat-resistant connecting portion 22d
  • the fourth heat-resistant connecting portion 22d is connected to the tail end.
  • the tail end of the connection part 22d is connected to the end of the installation pipe 211 close to the groove wall at the end.
  • the external heat transfers heat to the liner body 1 through the installation assembly 2, it needs to pass through the installation pipe 211, the fourth heat-resistant connection part 22d, The third heat-resistant connecting portion 22c, the second heat-resistant connecting portion 22b, and the first heat-resistant connecting portion 22a can reach the installation groove 12 on the inner tank body 1, thereby greatly increasing the length of the thermal bridge and lifting the inner tank body. 1 thermal insulation effect.
  • the heat-resistant connecting parts 22 connected end to end layer by layer occupy a small space, which can prevent the heat-resistant connecting parts 22 from affecting the capacity of the heat-insulating bottle liner 10 .
  • connection between the installation pipe 211 and the tail pipe 121 , the connection ring 222 and the heat resistance pipe 221 , the connection ring 222 and the installation pipe 211 can be assembled and connected by means of welding or bonding.
  • the heat-insulated bottle includes a shell 20, a limiting device 30 and the above-mentioned heat-insulating bottle liner 10, and the installation part 21 connects with the shell through the limiting device 30. 20, so as to realize the support and positioning of the outer shell 20 to the heat-insulating bottle liner 10.
  • the installation part 21 of the heat-insulated bottle liner 10 is connected to the outer shell 20 through the limiting device 30, and a multi-layer heat-resisting heat-resisting layer connected end to end is arranged between the installation part 21 and the inner liner body 1 .
  • the connection part 22 increases the length of the thermal bridge and reduces the heat transfer from the outer casing 20 to the inner tank body 1 through the installation part 21, thereby improving the thermal insulation effect of the heat-insulating bottle.
  • the limiting device 30 includes a support strap 301 and a thermal insulation ring 302 , the support strap 301 is connected to the housing 20 , the support strap 301 has a support hole, and the thermal insulation ring 302 It is fixed at the support via hole, and the heat insulating ring 302 is sheathed on the end of the installation part 21 away from the installation groove 12 .
  • the thermal insulation ring 302 has a low thermal conductivity, which can effectively block the thermal bridge and reduce the heat transmitted to the thermal insulation bottle liner 10 .
  • the heat insulating ring 302 is an epoxy glass cloth tube.
  • the support sling 301 can be a ring, the outer ring of the support sling 301 is connected to the housing 20, and the inner ring of the support sling 301 has a support hole, so that the support sling 20 has better Force and lower heat transfer, a limit support groove 3011 can be set at the support hole to fix the heat insulating ring 302, the limit support groove 3011 can include a connecting plate and a limit support plate connected by welding, and the connection plate forms a limit The bottom of the spacer support groove 3011, the spacer support plate forms the side wall of the spacer support groove 3011.
  • the heat insulating ring 302 is slidably connected with the mounting part 21, so as to reduce the local stress at the joint between the heat insulating ring 302 and the mounting part 21 during the movement and transportation of the heat insulating bottle, and improve the reliability of the heat insulating bottle. sex and longevity.
  • the vehicle according to yet another embodiment of the present application includes the above-mentioned heat-insulating bottle, which has good heat insulation effect, can store liquid hydrogen, and can effectively avoid evaporation loss and heat insulation
  • the bottle can be a vehicle-mounted liquid hydrogen bottle.
  • the vehicle-mounted liquid hydrogen bottle has a larger hydrogen storage capacity, which is conducive to improving the cruising range of the vehicle.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

一种隔热瓶内胆以及隔热瓶和车辆。隔热瓶内胆(10)包括：内胆本体(1)和安装组件(2)，内胆本体(1)上设有安装凹槽(12)，安装组件(2)包括安装部(21)和多层阻热连接部(22)，多层阻热连接部(22)逐层首尾依次相连且环绕在安装部(21)的外侧，安装部(21)通过多层阻热连接部(22)与安装凹槽(12)连接，多层阻热连接部(22)限定出阻热腔(2211)。

Description

隔热瓶内胆以及隔热瓶和车辆
相关申请的交叉引用
本申请要求申请日为2021年12月20日、申请号为202111566961.5、专利申请名称为“隔热瓶内胆以及隔热瓶和车辆”的优先权。
技术领域
本申请涉及车辆技术领域，具体而言，涉及一种隔热瓶内胆以及隔热瓶和车辆。
背景技术
氢能源汽车的动力来源于储氢瓶的储氢，现有的储氢瓶通常储存高压气态氢，储氢瓶的储氢量较小，车辆的续航里程较差。
在相关技术中，可将氢气压缩冷却液化后放入隔热瓶中进行储存，以提升储氢量，然而，现有的隔热瓶隔热效果较差，尤其是隔热瓶内胆的尾部支撑处漏热量较大，导致隔热瓶隔热性能不佳，难以满足液氢的储存条件。
发明内容
有鉴于此，本申请旨在提出一种隔热瓶内胆，以提升内胆本体的保温效果。
为达到上述目的，本申请的技术方案是这样实现的：
一种隔热瓶内胆，所述隔热瓶内胆包括：内胆本体，所述内胆本体上设有安装凹槽；安装组件，所述安装组件包括安装部和多层阻热连接部，多层所述阻热连接部逐层首尾依次相连且环绕在所述安装部的外侧，所述安装部通过多层所述阻热连接部与所述安装凹槽连接，多层所述阻热连接部限定出阻热腔。
根据本申请的一些实施例，每层所述阻热连接部均包括：相连的阻热管和连接环，相邻两层所述阻热管在径向方向上间隔开，最内层的所述阻热管与所述安装部在径向方向上间隔开，且相邻两层所述阻热管通过所述连接环连接，最内层的所述阻热管与所述安装部通过所述连接环连接。
进一步地，所述安装凹槽具有周向槽壁和端部槽壁，最外层的所述阻热管远离与其相连的所述连接环的一端适于与所述端部槽壁相连接。
根据本申请的一些实施例，所述安装部包括安装管和堵盖，所述堵盖设于所述安装管远离所述安装凹槽的一端，所述安装管内限定出安装腔，所述安装腔与所述阻热腔连通并 形成负压腔。
进一步地，所述堵盖为分子筛盘，所述安装腔与所述阻热腔内填充有分子筛。
根据本申请的一些实施例，在沿径向从外向内的方向上，多层所述阻热连接部依次从所述安装凹槽内伸出。
相对于现有技术，本申请所述的隔热瓶内胆具有以下优势：
本申请所述的隔热瓶内胆，安装部通过多层首尾依次相连的阻热连接部与安装凹槽连接，以增加热桥长度，减少外部热量通过安装部向内胆本体的热量传递，从而有利于提升内胆本体的保温效果。
本申请的另一个目的在于提出一种隔热瓶，以提升隔热瓶保温效果。
为达到上述目的，本申请的技术方案是这样实现的：
一种隔热瓶，包括外壳、限位装置和上述的隔热瓶内胆，所述安装部通过所述限位装置与所述外壳连接。
相对于现有技术，本申请所述的隔热瓶具有以下优势：
本申请所述的隔热瓶，隔热瓶内胆的安装部通过限位装置与外壳连接，安装部与内胆本体之间设有多层首尾依次相连的阻热连接部，以增加热桥长度，减少外壳的热量通过安装部向内胆本体的热量传递，从而有利于提升隔热瓶保温效果。
根据本申请的一些实施例，所述限位装置包括支撑吊带和绝热环，所述支撑吊带与所述外壳连接，所述支撑吊带具有支撑过孔，所述绝热环固定在所述支撑过孔处，且所述绝热环套设于所述安装部远离所述安装凹槽的一端。
进一步地，所述绝热环与所述安装部滑动连接。
本申请的再一个目的在于提出一种车辆，以提升车辆的续航里程。
为达到上述目的，本申请的技术方案是这样实现的：
一种车辆，包括上述的隔热瓶。
相对于现有技术，本申请所述的车辆具有以下优势：
本申请所述的车辆，其隔热瓶的隔热效果好，可以存储液态氢，并能够有效避免蒸发损失，隔热瓶可以是车载液氢瓶，相比于传统高压气态储氢瓶，车载液氢瓶的储氢量更大，从而有利于提升车辆的续航里程。
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是本申请实施例的隔热瓶的结构示意图；
图2是图1的局部放大图；
图3是本申请实施例的安装凹槽的示意图；
图4是本申请实施例的安装凹槽和第一阻热连接部的示意图；
图5是本申请实施例的安装凹槽和第一至第二阻热连接部的示意图；
图6是本申请实施例的安装凹槽和第一至第三阻热连接部的示意图；
图7是本申请实施例的安装凹槽和第一至第四阻热连接部的示意图；
图8是本申请实施例的安装凹槽和安装组件的示意图。
附图标记说明：
内胆本体1、内胆容纳腔11、安装凹槽12、尾管121、尾板122、安装组件2、安装部21、安装管211、安装腔2111、堵盖212、阻热连接部22、阻热腔2211、阻热管221、连接环222、第一阻热连接部22a、第一阻热管221a、第一连接环222a、第二阻热连接部22b、第二阻热管221b、第二连接环222b、第三阻热连接部22c、第三阻热管221c、第三连接环222c、第四阻热连接部22d、第四阻热管221d、第四连接环222d、隔热瓶内胆10、外壳20、限位装置30、支撑吊带301、限位支撑槽3011、绝热环302。
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。
下面结合图1-图8详细描述根据本申请实施例的隔热瓶内胆10。
参照图1-2所示，隔热瓶内胆10包括：内胆本体1和安装组件2，其中：
内胆本体1限定出内胆容纳腔11，可用于存储需要保温的物体，例如液氢，内胆本体1上设有安装凹槽12，安装凹槽12向内胆容纳腔11内侧凹陷，安装凹槽12可设于隔热瓶内胆10的尾部。
安装组件2包括安装部21和多层阻热连接部22，安装部21可用于与隔热瓶的外壳20连接，以实现对隔热瓶的固定，多层阻热连接部22逐层首尾依次相连且环绕在安装部21的外侧，安装部21通过多层阻热连接部22与安装凹槽12连接，逐层首尾相连的阻热连接部22可增加由安装部21到安装凹槽12传递热量路径的长度，即增加热桥长度，以减少外部热量通过安装部21向内胆本体1的热量传递，从而有利于提升内胆本体1的保温效果。多层阻热连接部22限定出阻热腔2211，也就是说，相邻两层阻热连接部22在首尾相连以外的部分间隔开并形成阻热腔2211，以保证热桥的长度，优选地，阻热腔2211内可抽真空，以防止多层阻热连接部22之间的间隙通过气体传热。
根据本申请实施例的隔热瓶内胆10，安装部21通过多层首尾依次相连的阻热连接部22与安装凹槽12连接，以增加热桥长度，减少外部热量通过安装部21向内胆本体1的热量传递，从而有利于提升内胆本体1的保温效果。
在本申请的一些实施例中，参照图1-图8所示，每层阻热连接部22均包括：相连的阻热管221和连接环222，连接环222的外环可与阻热管221的一端连接，阻热连接部22的首端为阻热管221远离连接环222的一端，阻热连接部22的尾端为连接环222的内环，相邻两层阻热管221在径向方向上间隔开，最内层的阻热管221与安装部21在径向方向上间隔开，且相邻两层阻热管221通过连接环222连接，最内层的阻热管221与安装部21通过连接环222连接，也就是说，相邻两层阻热管221通过连接环222径向间隔连接，相邻两层阻热管221通过连接两者的连接环222热传递，安装部21与最内层的阻热管221的也通过最内层阻热连接部22的连接环222热传递，以避免相邻两层阻热管221之间的直接热传递，以及安装部21向最内层的阻热管221的直接热传递，从而保证热桥长度，减少外部热量向内胆本体1的热传递。
在本申请的一些实施例中，由最外层至最内层的阻热连接部22的阻热管221的直径和长度逐层递减。
在本申请的一些实施例中，参照图1-图8所示，安装凹槽12具有周向槽壁和端部槽壁，端部槽壁位于周向槽壁远离安装凹槽12开口的一侧，最外层的阻热管221远离与其连接的连接环222的一端适于与端部槽壁相连接，也就是说，最外层的阻热连接部22的首端与端部槽壁相连接，最外层的阻热管221与周向槽壁在径向方向上间隔开，以保证热桥长度，提升阻热连接部22的隔热效果。
在本申请的一些实施例中，参照图1和图2所示，安装部21包括安装管211和堵盖212，堵盖212设于安装管211远离安装凹槽12的一端，安装管211内限定出安装腔2111，安装腔2111与阻热腔2211连通并形成负压腔，以减少安装腔2111与阻热腔2211内的空气，减少气体传热，从而提升安装组件2的隔热效果。
可以理解的是，当隔热瓶内胆10处于负压环境时(隔热瓶内胆10与外壳20之间抽真空)，堵盖212可以是非密封盖，堵盖212可用于提升安装管211的结构强度，隔热瓶内胆10处于非负压环境时，堵盖212可以是密封盖，以保证安装腔2111与阻热腔2211与外部环境密封，防止负压腔漏气。
在本申请的一些实施例中，堵盖212为分子筛盘，安装腔2111与阻热腔2211内填充有分子筛，可以理解的是，气体可通过分子分子筛盘，分子筛盘可以防止分子筛漏出安装腔2111与阻热腔2211，分子筛可用于吸附气体，分子筛可以是5A分子筛，以吸附安装腔2111与阻热腔2211内的气体，例如水蒸气，从而有利于进一步减少安装腔2111与阻热腔2211内的气体，减少气体传热。
在本申请的一些实施例中，在沿径向从外向内的方向上，多层阻热连接部22依次从安装凹槽12内伸出，以在保证阻热管221长度的情况下，以便于多层阻热连接部22的装配。例如，阻热管221和连接环222通过焊接相连，多层阻热连接部22依次从安装凹槽12内伸出可为焊接提供操作空间。
在本申请的一些实施例中，参照图3-图8所示，内胆本体1的尾部设有开口，在开出处连接有尾管121和尾板122，以形成安装凹槽12，其中，尾管121管的内壁为周向槽壁，尾板122的内壁为端部槽壁。安装组件2包括安装部21和四层阻热连接部22，在安装部21径向方向上，四层阻热连接部22由外到内依次为第一阻热连接部22a、第二阻热连接部22b、第三阻热连接部22c和第四阻热连接部22d，其中：
第一阻热连接部22a包括第一阻热管221a和第一连接环222a，第一连接环222a的外环与第一阻热管221a的一端连接，第一阻热连接部22a的首端为第一阻热管221a远离第一连接环222a的一端，第一阻热连接部22a的尾端为第一连接环222a的内环。
第二阻热连接部22b包括第二阻热管221b和第二连接环222b，第二连接环222b的外环与第二阻热管221b的一端连接，第二阻热连接部22b的首端为第二阻热管221b远离第二连接环222b的一端，第二阻热连接部22b的尾端为第二连接环222b的内环。
第三阻热连接部22c包括第三阻热管221c和第三连接环222c，第三连接环222c的外环与第三阻热管221c的一端连接，第三阻热连接部22c的首端为第三阻热管221c远离第三连接环222c的一端，第三阻热连接部22c的尾端为第三连接环222c的内环。
第四阻热连接部22c包括第四阻热管221c和第四连接环222c，第四连接环222c的外环与第四阻热管221c的一端连接，第四阻热连接部22c的首端为第四阻热管221c远离第四连接环222c的一端，第四阻热连接部22c的尾端为第四连接环222c的内环。
参照图3-图8所示，第一阻热连接部22a的首端与端部槽壁相连接，第一阻热连接部22a的尾端与第二阻热连接部22b的首端相连，第二阻热连接部22b的尾端与第三阻热连接部22c的首端相连，第三阻热连接部22c的尾端与第四阻热连接部22d的首端相连，第四阻热连接部22d的尾端与安装管211靠近端部槽壁的一端连接，外部热量在通过安装组件2向内胆本体1传递热量时，需依次经过安装管211、第四阻热连接部22d、第三阻热连接部22c、第二阻热连接部22b、第一阻热连接部22a后才能到达内胆本体1上的安装凹槽12，从而极大地增加热桥的长度，提升内胆本体1的保温效果。此外，逐层首尾依次相连的阻热连接部22占用空间小，可避免阻热连接部22影响隔热瓶内胆10的容量。
需要说明的是，安装管211与尾管121、连接环222与阻热管221、连接环222与安装管211等部件之间的连接可以选用焊接、粘接等方式进行装配连接。
参照图1-图8所示，根据本申请另一方面实施例的隔热瓶，包括外壳20、限位装置30和上述的隔热瓶内胆10，安装部21通过限位装置30与外壳20连接，以实现外壳20对隔热瓶内胆10的支撑和限位。
根据本申请实施例的隔热瓶，隔热瓶内胆10的安装部21通过限位装置30与外壳20连接，安装部21与内胆本体1之间设有多层首尾依次相连的阻热连接部22，以增加热桥长度，减少外壳20的热量通过安装部21向内胆本体1的热量传递，从而有利于提升隔热瓶保温效果。
在本申请的一些实施例中，参照图1和图2所示，限位装置30包括支撑吊带301和绝热环302，支撑吊带301与外壳20连接，支撑吊带301具有支撑过孔，绝热环302固定在支撑过孔处，且绝热环302套设于安装部21远离安装凹槽12的一端。绝热环302导热系数低，可以有效阻隔热桥，减少传递到隔热瓶内胆10的热量。优选地，绝热环302为环氧玻璃布管。
在本申请的一些实施例中，支撑吊带301可以是环状件，支撑吊带301的外环与外壳20连接，支撑吊带301的内环具有支撑过孔，从而使支撑吊带20具有较好的受力和较低的热量传递，支撑过孔处可设置有限位支撑槽3011，以用于固定绝热环302，限位支撑槽3011可以包括焊接相连的连接板和限位支撑板，连接板形成限位支撑槽3011的槽底，限位支撑板形成限位支撑槽3011的侧壁。
在本申请的一些实施例中，绝热环302与安装部21滑动连接，以在隔热瓶移动和运输过程中，减少绝热环302与安装部21连接处的局部应力，提升隔热瓶的可靠性和使用寿命。
参照图1-图8所示，根据本申请再一方面实施例的车辆，包括上述的隔热瓶，隔热瓶的隔热效果好，可以存储液态氢，并能够有效避免蒸发损失，隔热瓶可以是车载液氢瓶，相比于传统高压气态储氢瓶，车载液氢瓶的储氢量更大，从而有利于提升车辆的续航里程。
以上所述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 (10)

  1. 一种隔热瓶内胆，其特征在于，所述隔热瓶内胆(10)包括：
    内胆本体(1)，所述内胆本体(1)上设有安装凹槽(12)；
    安装组件(2)，所述安装组件(2)包括安装部(21)和多层阻热连接部(22)，多层所述阻热连接部(22)逐层首尾依次相连且环绕在所述安装部(21)的外侧，所述安装部(21)通过多层所述阻热连接部(22)与所述安装凹槽(12)连接，多层所述阻热连接部(22)限定出阻热腔(2211)。
  2. 根据权利要求1所述的隔热瓶内胆，其特征在于，每层所述阻热连接部(22)均包括：相连的阻热管(221)和连接环(222)，相邻两层所述阻热管(221)在径向方向上间隔开，最内层的所述阻热管(221)与所述安装部(21)在径向方向上间隔开，且相邻两层所述阻热管(221)通过所述连接环(222)连接，最内层的所述阻热管(221)与所述安装部(21)通过所述连接环(222)连接。
  3. 根据权利要求2所述的隔热瓶内胆，其特征在于，所述安装凹槽(12)具有周向槽壁和端部槽壁，最外层的所述阻热管(221)远离与其相连的所述连接环(222)的一端适于与所述端部槽壁相连接。
  4. 根据权利要求1或3所述的隔热瓶内胆，其特征在于，所述安装部(21)包括安装管(211)和堵盖(212)，所述堵盖(212)设于所述安装管(211)远离所述安装凹槽(12)的一端，所述安装管(211)内限定出安装腔(2111)，所述安装腔(2111)与所述阻热腔(2211)连通并形成负压腔。
  5. 根据权利要求4所述的隔热瓶内胆，其特征在于，所述堵盖(212)为分子筛盘，所述安装腔(2111)与所述阻热腔(2211)内填充有分子筛。
  6. 根据权利要求1所述的隔热瓶内胆，其特征在于，在沿径向从外向内的方向上，多层所述阻热连接部(22)依次从所述安装凹槽(12)内伸出。
  7. 一种隔热瓶，其特征在于，包括外壳(20)、限位装置(30)和根据权利要求1-6中任一项所述的隔热瓶内胆(10)，所述安装部(21)通过所述限位装置(30)与所述外壳(20)连接。
  8. 根据权利要求7所述的隔热瓶，其特征在于，所述限位装置(30)包括支撑吊带(301)和绝热环(302)，所述支撑吊带(301)与所述外壳(20)连接，所述支撑吊带(301)具有支撑过孔，所述绝热环(302)固定在所述支撑过孔处，且所述绝热环(302)套设于所述安装部(21)远离所述安装凹槽(12)的一端。
  9. 根据权利要求8所述的隔热瓶，其特征在于，所述绝热环(302)与所述安装部(21)滑动连接。
  10. 一种车辆，其特征在于，包括根据权利要求7-9中任一项所述的隔热瓶。
PCT/CN2022/140369 2021-12-20 2022-12-20 隔热瓶内胆以及隔热瓶和车辆 WO2023116693A1 (zh)

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US4496073A (en) * 1983-02-24 1985-01-29 The Johns Hopkins University Cryogenic tank support system
US4674289A (en) * 1985-06-26 1987-06-23 Andonian Martin D Cryogenic liquid container
CN1856679A (zh) * 2003-09-23 2006-11-01 韦斯特波特研究公司 用于保存制冷流体的容器
CN202220967U (zh) * 2011-08-04 2012-05-16 湖南江南银箭新能源装备有限公司 车用液化天然气气瓶内胆绝热支撑装置
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