CN217584063U - Connection supporting structure and liquid hydrogen bottle with same - Google Patents
Connection supporting structure and liquid hydrogen bottle with same Download PDFInfo
- Publication number
- CN217584063U CN217584063U CN202220417871.3U CN202220417871U CN217584063U CN 217584063 U CN217584063 U CN 217584063U CN 202220417871 U CN202220417871 U CN 202220417871U CN 217584063 U CN217584063 U CN 217584063U
- Authority
- CN
- China
- Prior art keywords
- supporting
- liquid hydrogen
- hydrogen bottle
- support
- container
- 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.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model provides a pair of connect bearing structure and have its liquid hydrogen bottle belongs to the on-vehicle liquid hydrogen bottle technical field of low temperature, include: a support member in the shape of a ring; one end of the supporting piece is suitable for being connected with an outer container of the liquid hydrogen bottle, and the other end of the supporting piece is suitable for being connected with an inner container of the liquid hydrogen bottle; the supporting piece is a composite heat-insulating material; one end of the support inner pipe is suitable for being connected with the inner container, and the other end of the support inner pipe is suitable for being sleeved on and connected to the outer surface of the heat insulation support piece; the utility model discloses a connect bearing structure, support piece is the heat-insulating material, can reduce whole connection bearing structure's coefficient of heat conductivity, reduces the heat leakage of liquid hydrogen bottle.
Description
Technical Field
The utility model relates to an on-vehicle liquid hydrogen bottle technical field of low temperature, concretely relates to connect bearing structure and have its liquid hydrogen bottle.
Background
The low-temperature vehicle-mounted liquid hydrogen bottle is mainly used for storing low-temperature liquid hydrogen, and the lowest temperature of the inner container bottle body of the low-temperature vehicle-mounted liquid hydrogen bottle can reach minus 253 ℃, so that the heat transfer between the vehicle-mounted liquid hydrogen bottle and the outside is reduced when the low-temperature vehicle-mounted liquid hydrogen bottle is used for storing the liquid hydrogen for a long time, and the aim of storing the liquid hydrogen for the long time as far as possible is fulfilled.
The liquid hydrogen bottle is a vacuum multi-layer heat insulation container. The liquid hydrogen bottle is provided with an inner container and an outer container, liquid hydrogen and a medium are adopted in the inner container, and the outer container is arranged in the environment; the inner container and the outer container are supported through a supporting structure; however, the heat leakage of the support structure in the liquid hydrogen bottle accounts for 40% -60% of the total heat leakage in the liquid hydrogen bottle, and therefore, the support structure is the most critical factor for ensuring the heat insulation performance in the liquid hydrogen bottle.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses it is interior to provide a connection bearing structure to guarantee liquid hydrogen bottle.
The utility model also provides a liquid hydrogen bottle.
In order to solve the above technical problem, the utility model provides a pair of connect bearing structure, include:
a support member in the shape of a ring; one end of the supporting piece is suitable for being connected with an outer container of the liquid hydrogen bottle, and the other end of the supporting piece is suitable for being connected with an inner container of the liquid hydrogen bottle; the supporting piece is a composite heat-insulating material;
and one end of the supporting inner pipe is suitable for being connected with the inner container, and the other end of the supporting inner pipe is suitable for being sleeved and connected on the outer surface of the heat insulation supporting piece.
Preferably, the method further comprises the following steps:
and the sealing plate is covered at one end of the support piece, which is positioned at the outer container.
Preferably, the method further comprises the following steps:
the supporting outer pipe is sleeved outside the supporting inner pipe at intervals; one end of the supporting outer pipe is suitable for being connected with the inner container of the liquid hydrogen bottle, and the other end of the supporting outer pipe is connected with the supporting inner pipe.
Preferably, the support inner pipe and the support outer pipe are connected through a rib plate; through holes are formed in the rib plates.
Preferably, the rib plate, the sealing plate, the inner support tube and the outer support tube are all made of austenitic stainless steel metal materials.
Preferably, the support member is connected with the support inner tube through an anti-rotation pin.
Preferably, the support is made of polyimide material.
The utility model also provides a liquid hydrogen bottle, including any one of the aforesaid connection bearing structure.
As a preferred scheme, the liquid hydrogen bottle is horizontal; the supporting structures are arranged at two ends of the liquid hydrogen bottle.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a connect bearing structure, include: a support member and a support inner tube; the supporting piece is made of heat insulating materials, so that the heat conductivity coefficient of the whole connecting and supporting structure can be reduced, and the heat leakage of the liquid hydrogen bottle is reduced.
2. The utility model provides a connecting and supporting structure, the supporting piece is connected with the supporting inner tube through a rotation-proof pin; through setting up anti-rotation pin, spacing and bear shear stress for resist vehicle operation condition's vibration load, simultaneously, anti-rotation pin sets up in support piece, can realize the close clearance fit.
3. The utility model provides a connecting and supporting structure, wherein the rib plates, the sealing plates, the supporting inner tube and the supporting outer tube are all made of austenitic stainless steel metal materials; the heat conductivity coefficient of the metal material is gradually reduced along with the reduction of the temperature, the tensile strength is increased, further, the tensile strength of the austenitic stainless steel metal material in the scheme at the liquid hydrogen temperature is 2 times of that of the austenitic stainless steel metal material in a greenhouse, and the austenitic stainless steel metal material can be better suitable for the use environment between the inner container and the outer container.
4. The utility model provides a connecting and supporting structure, wherein the supporting piece is made of polyimide material; the material can resist the temperature of 253 ℃ below zero, the longitudinal tensile strength at 20K is kept above 600MPa, the heat conductivity coefficient is only one tenth of that of a metal material, and the heat conductivity coefficient of a connecting and supporting structure can be reduced.
In summary, the connection supporting structure provided by the utility model adopts material combination, so that the heat transfer, supporting and stress compensation structure is integrated, the structure is compact, and the connection supporting structure is suitable for small liquid hydrogen bottles; meanwhile, the heat leakage of the connecting and supporting structure is not more than 6W, and the connecting and supporting structure can functionally replace the traditional complex small liquid hydrogen container cold shield structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a front cross-sectional mechanism of the connection support structure of the present invention.
Fig. 2 is a left side view schematic sectional structure diagram of the connection support structure of the present invention.
Description of reference numerals:
1. an inner container; 2. an outer liner; 3. a support member; 4. closing the plate; 5. a rib plate; 6. supporting the inner pipe; 7. supporting the outer tube; 8. an anti-rotation pin.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The connection support structure provided by the embodiment is used for being supported between the inner container 1 and the outer container 2 of the liquid hydrogen bottle to realize the connection of the inner container 1 and the outer container 2.
As shown in fig. 1, a sealing plate 4 is covered on an outer liner 2 of the liquid hydrogen bottle, and the sealing plate 4 is welded with the liquid hydrogen bottle; a support piece 3 is arranged between the inner container 1 and the outer container 2; the support piece 3 is annular, one end of the support piece 3 is connected with the inner container 1 through the support inner tube 6, and the other end of the support piece is inserted into the seal plate 4, so that the inner container 1 and the outer container 2 of the liquid hydrogen bottle are supported. The support 3 is a composite heat insulating material, the composite heat insulating material is preferably polyimide, the polyimide can resist the temperature of 253 ℃ below zero, the longitudinal tensile strength at 20K is kept above 600MPa, and the heat conductivity coefficient is only 1/10 of that of a metal material.
The supporting inner tube 6 is sleeved on the outer surface of the supporting piece 3, one end of the supporting inner tube 6 is connected with the inner container 1 of the liquid hydrogen bottle, and the other end of the supporting inner tube 6 is connected through an anti-rotation pin 8; the anti-rotation pin 8 can limit and bear shear stress and is used for resisting vibration load of the running working condition of the vehicle, and the anti-rotation pin 8 is arranged in the composite heat insulation material, so that small clearance fit of the anti-rotation pin 8 and the composite heat insulation material is realized.
The outer supporting tube 7 is sleeved outside the inner supporting tube 6 at intervals, one end of the outer supporting tube 7 is connected with the inner container 1, the other end of the outer supporting tube 7 is connected with the rib plate 5, and the rib plate 5 is provided with a through hole to prevent the rib plate 5, the inner supporting tube 6 and the outer supporting tube 7 from forming a closed space, so that evacuation and exhaust between the inner container 1 and the outer container 2 are facilitated.
The rib plates 5, the sealing plates 4, the support inner tube 6 and the support outer tube 7 are all made of austenitic stainless steel metal materials; the heat conductivity coefficient of the metal material is gradually reduced along with the reduction of the temperature, and the tensile strength is increased; the tensile strength of the austenitic stainless steel metal material selected in the scheme at the temperature of liquid hydrogen is 2 times of that at the room temperature.
Example 2
The liquid hydrogen bottle provided by the embodiment comprises the connecting and supporting structure in the embodiment 1; furthermore, the liquid hydrogen bottle is horizontal, and the connecting and supporting structures are arranged at two ends of the liquid hydrogen bottle.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. A connection support structure, comprising:
a support (3) in the shape of a ring; one end of the supporting piece (3) is suitable for being connected with an outer container (2) of the liquid hydrogen bottle, and the other end of the supporting piece is suitable for being connected with an inner container (1) of the liquid hydrogen bottle; the supporting piece (3) is a composite heat-insulating material;
one end of the supporting inner pipe (6) is suitable for being connected with the inner container (1), and the other end of the supporting inner pipe is suitable for being sleeved and connected on the outer surface of the heat insulation supporting piece (3).
2. The connecting support structure of claim 1, further comprising:
and the sealing plate (4) covers one end of the support piece (3) positioned at the outer container (2).
3. The connecting support structure of claim 2, further comprising:
the supporting outer pipe (7) is sleeved outside the supporting inner pipe (6) at intervals; one end of the supporting outer tube (7) is suitable for being connected with the inner container (1) of the liquid hydrogen bottle, and the other end of the supporting outer tube is connected with the supporting inner tube (6).
4. The connecting and supporting structure according to claim 3, characterized in that the supporting inner pipe (6) and the supporting outer pipe (7) are connected through a rib plate (5); through holes are arranged in the rib plates (5).
5. The connecting support structure according to claim 4, characterized in that the webs (5), the closing plates (4), the inner support tubes (6) and the outer support tubes (7) are all made of austenitic stainless steel metal material.
6. The connection support structure according to claim 1, characterized in that the connection between the support (3) and the support inner tube (6) is by means of an anti-rotation pin (8).
7. The connecting support structure according to any one of claims 1 to 6, characterised in that the support (3) is made of polyimide material.
8. A liquid hydrogen bottle comprising the connection support structure of any one of claims 1 to 7.
9. The liquid hydrogen bottle according to claim 8, wherein the liquid hydrogen bottle is horizontal; the supporting structures are arranged at two ends of the liquid hydrogen bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220417871.3U CN217584063U (en) | 2022-02-28 | 2022-02-28 | Connection supporting structure and liquid hydrogen bottle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220417871.3U CN217584063U (en) | 2022-02-28 | 2022-02-28 | Connection supporting structure and liquid hydrogen bottle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217584063U true CN217584063U (en) | 2022-10-14 |
Family
ID=83539673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220417871.3U Active CN217584063U (en) | 2022-02-28 | 2022-02-28 | Connection supporting structure and liquid hydrogen bottle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217584063U (en) |
-
2022
- 2022-02-28 CN CN202220417871.3U patent/CN217584063U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7721513B2 (en) | Construction for multi-layered vacuum super insulated cryogenic tank | |
| JP3111660U (en) | Ultra vacuum insulation tank for cryogenic liquefied gas | |
| JP3111656U (en) | Ultra vacuum insulation tank for cryogenic liquefied gas | |
| CA1187820A (en) | Cyrogenic liquid storage container having an improved access conduit | |
| JP3111658U (en) | Ultra vacuum insulation tank for cryogenic liquefied gas and its outer shell | |
| JP3111659U (en) | Support structure between outer shell and inner vessel of ultra vacuum insulation tank for cryogenic liquefied gas | |
| CN217584063U (en) | Connection supporting structure and liquid hydrogen bottle with same | |
| CN107339600B (en) | Vertical low-temperature container | |
| JP3111657U (en) | Dome end of ultra vacuum insulation tank for cryogenic liquefied gas | |
| CN1963283A (en) | Internal bladder supporting structure for low temperature thermal-insulating gas cylinder | |
| CN111292915B (en) | Nuclear magnetic resonance imaging superconducting magnet for extremity imaging | |
| CN214731440U (en) | Low temperature container | |
| CN116697265A (en) | Connection supporting structure and liquid hydrogen bottle with same | |
| CN113551147A (en) | Interlayer low-heat-conduction supporting structure for ultralow-temperature medium and ultralow-temperature medium container | |
| CN113236960A (en) | Vertical low temperature container supports excellent bearing structure | |
| CN112984282B (en) | Thermal insulation pipeline | |
| CN212075142U (en) | High-safety oil-gas storage device | |
| CN112066251B (en) | Internal fixed support based on conical shell and low-temperature container with same | |
| CN214948173U (en) | Low-temperature storage tank | |
| CN216079288U (en) | Interlayer low-heat-conduction supporting structure for ultralow-temperature medium and ultralow-temperature medium container | |
| CN218209006U (en) | Double-layer liquid hydrogen spherical tank supporting structure with lug type support | |
| CN112555680A (en) | Double-layer low-temperature spherical tank | |
| CN218208980U (en) | Supporting member of double-layer liquid hydrogen spherical tank | |
| CN217273544U (en) | Supporting structure and liquid hydrogen bottle with same | |
| CN217275712U (en) | Heat exchanger with local protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |