CN213534438U

CN213534438U - Ball-type liquid hydrogen storage device for vehicle

Info

Publication number: CN213534438U
Application number: CN202021645107.9U
Authority: CN
Inventors: 孙玉凤; 王林霞; 王艳立; 贾英奎
Original assignee: Shandong Union Special Equipment Co ltd
Current assignee: Shandong Union Special Equipment Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-06-25
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a ball-type liquid hydrogen accumulator for vehicle, including shell and inner bag, be provided with the inner bag in the shell, still include: adiabatic coating, under bracing structure and last bearing structure, the surface of inner bag is provided with adiabatic coating, the top and the bottom of inner bag are provided with bearing structure and under bracing structure respectively, and the inner bag is fixed with the shell through last bearing structure and under bracing structure respectively, the outside of shell is provided with the sprue, and the tip of sprue stretches into in the shell, the one end that the sprue is located the shell inside is provided with discharging pipe and breather pipe respectively, the tip of discharging pipe stretches into the inside low side of inner bag, the tip of breather pipe stretches into in the inner bag, the dead lever is installed on the inside top of inner bag, this automobile-used ball-type liquid hydrogen accumulator intensity is high, light in weight, heat insulating property, radiation protection, sealing performance is good, and can effectively avoid the deformation of accumulator itself, prolong the life of accumulator.

Description

Ball-type liquid hydrogen storage device for vehicle

Technical Field

The utility model relates to a liquid hydrogen accumulator production technical field specifically is automobile-used ball-type liquid hydrogen accumulator.

Background

The hydrogen energy has the advantages of abundant resources, high combustion value, cleanness, renewability and the like, and is called three new energy sources together with solar energy and nuclear energy. The hydrogen energy has a certain application in the field of new energy automobiles as a novel environment-friendly energy source, is widely concerned by various social circles, and is beneficial to solving the problems of energy crisis, environmental pollution, global warming and the like, so the hydrogen energy is regarded as an important bridge for connecting fossil energy and renewable energy.

The hydrogen energy automobile is published, but at present, the liquid hydrogen bottle for the automobile has the defects of heavy mass, easy deformation, poor sealing property and heat insulation property, short service life and the like, so that the wide application of the hydrogen energy is limited, and the new energy automobile urgently needs a hydrogen storage device with light mass, high strength and long service life to break through the application bottleneck of the hydrogen storage device, so as to contribute to the power of gradually replacing the traditional petroleum fuel automobile for the new energy automobile, and therefore, a spherical liquid hydrogen storage device for the automobile is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ball-type liquid hydrogen accumulator for vehicle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: ball-type liquid hydrogen accumulator for vehicle, including shell and inner bag, be provided with the inner bag in the shell, still include: adiabatic coating, under bracing structure and last bearing structure, the surface of inner bag is provided with adiabatic coating, the top and the bottom of inner bag are provided with bearing structure and under bracing structure respectively, and the inner bag is fixed with the shell through last bearing structure and under bracing structure respectively.

Preferably, the outside of shell is provided with the sprue, and the tip of sprue stretches into in the shell, the one end that the sprue is located the shell inside is provided with discharging pipe and breather pipe respectively, the tip of discharging pipe stretches into the inside low end of inner bag, the tip of breather pipe stretches into in the inner bag, the dead lever is installed on the inside top of inner bag, the tip of breather pipe passes through the dead lever and installs the inside top at the inner bag.

Preferably, go up bearing structure and include support frame, mount and mounting bracket, the mount is installed at the inner bag top, and is provided with the support frame in the mount, the top and the shell of support frame are fixed, the top of inner bag inner wall is fixed with the mounting bracket, discharging pipe and breather pipe are installed in the mounting bracket.

Preferably, the lower supporting structure comprises a supporting plate, a limiting frame and a supporting rod, the supporting plate is arranged at the lower end inside the shell, the limiting frame is installed at the bottom of the inner wall of the inner container, the supporting rod is fixedly installed in the limiting frame, the end of the supporting rod penetrates through the inner container and the supporting plate, and a bolt hole is formed in the bottom of the supporting rod.

Preferably, a second sealing ring is arranged outside the supporting rod in the supporting plate, and a first sealing ring is arranged between the fixing frame and the supporting frame.

Preferably, the liner is made of a titanium alloy composite aluminum alloy steel plate, the heat insulation coating layers on the inner surface and the outer surface of the liner are both subjected to aluminum plating polishing, the outer surface of the shell is made of a titanium steel composite plate, and the inner surface of the shell is made of an aluminum alloy 6061 material.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a liquid hydrogen accumulator intensity is high, light in weight, and thermal insulation, radiation protection, sealing performance are good to can effectively avoid the deformation of accumulator itself, prolong the life of accumulator.

Drawings

FIG. 1 is a schematic structural view of a sectional view of a spherical liquid hydrogen storage device for a vehicle according to the present invention;

fig. 2 is a schematic view of the lower support structure of the present invention.

In the figure: 1. a housing; 2. an inner container; 3. a heat insulating coating layer; 4. bolt holes; 5. a lower support structure; 6. An upper support structure; 7. a support frame; 8. a material injection port; 9. a fixed mount; 10. a first seal ring; 11. a mounting frame; 12. a discharge pipe; 13. a breather pipe; 14. fixing the rod; 15. a support plate; 16. a limiting frame; 17. A support rod; 18. and a second seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1, the present invention provides a technical solution: ball-type liquid hydrogen accumulator for vehicle, including shell 1 and inner bag 2, be provided with inner bag 2 in the shell 1, still include: the heat insulation structure comprises a heat insulation coating layer 3, a lower supporting structure 5 and an upper supporting structure 6, wherein the heat insulation coating layer 3 is arranged on the outer surface of the inner container 2, the upper supporting structure 6 and the lower supporting structure 5 are respectively arranged at the top and the bottom of the inner container 2, the inner container 2 is respectively fixed with the shell 1 through the upper supporting structure 6 and the lower supporting structure 5, the upper supporting structure 6 is welded with an outer sealing head, the whole inner container 2 is integrally suspended, the lower part of the inner container is connected through a supporting rod 17, and glass fiber reinforced plastics are filled between the supporting rod 17 and the outer lower sealing head to reduce external heat transfer to;

the inner container 2 is made of a titanium alloy composite aluminum alloy steel plate, and the heat insulation coating layers 3 on the inner surface and the outer surface of the inner container 2 are both subjected to aluminum plating polishing; the shell 1 is made of a titanium steel composite plate, the inner surface of the shell is made of an aluminum alloy 6061, and the 6061 material is adopted for sealing the permeation of hydrogen molecules; the restriction factor for restricting the storage of liquid hydrogen and high-pressure hydrogen is that the molecules of hydrogen molecules are small and are dispersed, so that the sealing is difficult; the aluminum alloy 6061 material can effectively isolate the permeation of hydrogen molecules and reduce the number of the hydrogen molecules passing through the interlayer; meanwhile, the dosage of the adsorbent palladium oxide placed in the interlayer can be reduced; the titanium alloy mainly acts as the strength required to bear the liquid hydrogen; the yield strength and the tensile strength of the titanium alloy are higher than those of austenitic stainless steel, the density is small, the weight is light, and the weight of the whole equipment is reduced on the premise of ensuring the same strength; the heat insulating material adopts an aluminum plating polishing process on the outer surface of the inner container, and the aluminum plating polishing can limit the transmission of external radiant heat to the inner container to the maximum extent; according to the research on the prior LNG vehicle-mounted gas cylinder, the flatness of the heat-insulating material is in direct proportion to the radiation-proof effect; the flatter the surface, the better the radiation protection effect; the surface is plated with aluminum and polished to realize the maximum flatness, and only one layer of aluminum is plated; the hydrogen-releasing performance of the aluminum material can be reduced.

Referring to fig. 1, a feeding port 8 is arranged on the outer side of the casing 1, the end of the feeding port 8 extends into the casing 1, a discharging pipe 12 and a vent pipe 13 are respectively arranged at one end of the feeding port 8 located inside the casing 1, the end of the discharging pipe 12 extends into the lower end of the inner container 2, the end of the vent pipe 13 extends into the inner container 2, a fixing rod 14 is arranged at the top end of the inner container 2, the end of the vent pipe 13 is arranged at the top end of the inner container 2 through the fixing rod 14, the feeding port 8 is arranged to facilitate the injection of liquid hydrogen to be stored into the inner container 2, the liquid hydrogen injected into the inner container 2 can enter the inner container 2 through the discharging pipe 12, the communicating vessel can be conveniently placed inside the inner container 2 through the vent pipe 13, the liquid hydrogen can be conveniently stored in the inner container 2 smoothly, the inner container 2 is formed by welding two same semispherical titanium alloy aluminiz, the shell 1 is formed by welding two identical hemispherical S30408 austenitic stainless steel plates, a 6061 aluminum alloy with 0.5mm is compounded on the inner surface of the inner container 2, an outer surface heat insulation coating layer 3 is aluminized, the aluminized thickness is 5um, the upper supporting structure 6 and the lower supporting structure 5 penetrate through the shell 1 and the outer surface of the inner container 2 to be fixed through welding, and the upper supporting structure 6 and the lower supporting structure 5 are fixed with the shell 1 through welding.

Referring to fig. 1, the upper supporting structure 6 includes a supporting frame 7, a fixing frame 9 and a mounting frame 11, the fixing frame 9 is installed at the top of the inner container 2, the supporting frame 7 is arranged in the fixing frame 9, the top of the supporting frame 7 is fixed to the outer shell 1, the mounting frame 11 is fixed to the top of the inner wall of the inner container 2, the discharging pipe 12 and the vent pipe 13 are installed in the mounting frame 11, the upper supporting structure 6 is located at the upper end of the spherical storage, the upper portion of the upper supporting structure is fixed, and the upper supporting structure 6 is made of S30408.

Referring to fig. 2, the lower supporting structure 5 includes a supporting plate 15, a limiting frame 16 and a supporting rod 17, the supporting plate 15 is disposed at the lower end of the inside of the housing 1, the limiting frame 16 is mounted at the bottom of the inner wall of the inner container 2, the supporting rod 17 is fixedly mounted in the limiting frame 16, the end of the supporting rod 17 penetrates through the inner container 2 and the supporting plate 15, the bottom of the supporting rod 17 is provided with a bolt hole 4, the lower supporting structure 5 is located at the lower end of the spherical storage, the lower portion of the lower supporting structure is suspended and made of S30408, the upper supporting structure 6 and the lower supporting structure 5 are adopted, the supporting structure only bears tensile stress, the lower supporting structure 5 is fixed to the vehicle body through bolt connection, and the upper supporting structure 6.

Referring to fig. 1 and 2, a second sealing ring 18 is disposed outside the supporting rod 17 in the supporting plate 15, and a first sealing ring 10 is disposed between the fixing frame 9 and the supporting frame 7 to achieve a sealing effect and prevent liquid hydrogen from entering between the casing 1 and the inner container 2.

Referring to fig. 1, the inner container 2 is made of a titanium alloy composite aluminum alloy steel plate, the heat insulation coating layers 3 on the inner surface and the outer surface of the inner container 2 are both aluminum-plated and polished, the outer surface of the outer shell 1 is made of a titanium steel composite plate, the inner surface of the outer shell 1 is made of an aluminum alloy 6061, and the outer shell 1 is formed by welding two identical hemispherical S30408 austenitic stainless steel plates.

The working principle is as follows: the upper supporting structure 6 is welded with the outer end enclosure to integrally suspend the whole inner container 2, the lower part of the upper supporting structure is connected with the lower part of the outer end enclosure through a supporting rod 17, glass fiber reinforced plastics are filled between the supporting rod 17 and the outer lower end enclosure to reduce external heat transfer to the inside, the inner container 2 is made of a titanium alloy composite aluminum alloy steel plate, and the heat insulation coating layers 3 on the inner surface and the outer surface of the inner container 2 are both subjected to aluminum plating polishing; the shell 1 is made of a titanium steel composite plate, the inner surface of the shell is made of an aluminum alloy 6061, and the 6061 material is adopted for sealing the permeation of hydrogen molecules; the restriction factor for restricting the storage of liquid hydrogen and high-pressure hydrogen is that the molecules of hydrogen molecules are small and are dispersed, so that the sealing is difficult; the aluminum alloy 6061 material can effectively isolate the permeation of hydrogen molecules and reduce the number of the hydrogen molecules passing through the interlayer; meanwhile, the dosage of the adsorbent palladium oxide placed in the interlayer can be reduced; the titanium alloy mainly acts as the strength required to bear the liquid hydrogen; the yield strength and the tensile strength of the titanium alloy are higher than those of austenitic stainless steel, the density is small, the weight is light, and the weight of the whole equipment is reduced on the premise of ensuring the same strength; the heat insulating material adopts an aluminum plating polishing process on the outer surface of the inner container, and the aluminum plating polishing can limit the transmission of external radiant heat to the inner container to the maximum extent; according to the research on the prior LNG vehicle-mounted gas cylinder, the flatness of the heat-insulating material is in direct proportion to the radiation-proof effect; the flatter the surface, the better the radiation protection effect; the surface is plated with aluminum and polished to realize the maximum flatness, and only one layer of aluminum is plated; can reduce the hydrogen discharge performance of aluminium material, shell 1 is formed through the welding by two the same hemisphere S30408 austenite stainless steel plates, the compound 0.5 mm' S of 2 internal surfaces of inner bag 6061 aluminum alloy, surface adiabatic coating 3 is for aluminizing, the thickness of aluminizing is 5um, go up bearing structure 6 and under bracing structure 5 and pass shell 1 and inner bag 2 surface through welded fastening, it passes through welded fastening to go up bearing structure 6 and under bracing structure 5 and shell 1, under bracing structure 5 is located the lower extreme of ball-type accumulator, the lower part is unsettled, the material is S30408, the advantage of adopting upper bearing structure 6 and under bracing structure 5 lies in that bearing structure only bears the tensile stress, under bracing structure 5 is fixed with the automobile body through bolted connection, it fixes with the automobile body to go up bearing structure 6 adopts the stretching strap restraint.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Ball-type liquid hydrogen accumulator for vehicle, including shell (1) and inner bag (2), be provided with inner bag (2) in shell (1), its characterized in that still includes: adiabatic coating (3), under bracing structure (5) and last bearing structure (6), the surface of inner bag (2) is provided with adiabatic coating (3), bearing structure (6) and under bracing structure (5) are provided with respectively to the top and the bottom of inner bag (2), and inner bag (2) are fixed with shell (1) through last bearing structure (6) and under bracing structure (5) respectively.

2. The vehicular ball-type liquid hydrogen storage according to claim 1, characterized in that: the outside of shell (1) is provided with sprue (8), and the tip of sprue (8) stretches into in shell (1), sprue (8) are located the inside one end of shell (1) and are provided with discharging pipe (12) and breather pipe (13) respectively, the tip of discharging pipe (12) stretches into the inside low end of inner bag (2), the tip of breather pipe (13) stretches into in inner bag (2), dead lever (14) are installed on the inside top of inner bag (2), the tip of breather pipe (13) passes through dead lever (14) and installs the top in inner bag (2) inside.

3. The ball-type liquid hydrogen storage container for vehicles according to claim 2, characterized in that: go up bearing structure (6) including support frame (7), mount (9) and mounting bracket (11), mount (9) are installed at inner bag (2) top, and are provided with support frame (7) in mount (9), the top and shell (1) of support frame (7) are fixed, the top of inner bag (2) inner wall is fixed with mounting bracket (11), install in mounting bracket (11) discharging pipe (12) and breather pipe (13).

4. The ball-type liquid hydrogen storage container for vehicles according to claim 3, characterized in that: the lower supporting structure (5) comprises a supporting plate (15), a limiting frame (16) and a supporting rod (17), the supporting plate (15) is arranged at the lower end inside the shell (1), the limiting frame (16) is installed at the bottom of the inner wall of the inner container (2), the supporting rod (17) is fixedly installed in the limiting frame (16), the end portion of the supporting rod (17) penetrates through the inner container (2) and the supporting plate (15), and a bolt hole (4) is formed in the bottom of the supporting rod (17).

5. The vehicular ball-type liquid hydrogen storage according to claim 4, characterized in that: a second sealing ring (18) is arranged outside the supporting rod (17) in the supporting plate (15), and a first sealing ring (10) is arranged between the fixing frame (9) and the supporting frame (7).

6. The vehicular ball-type liquid hydrogen storage according to claim 1, characterized in that: the inner container (2) is made of a titanium alloy composite aluminum alloy steel plate, the inner surface of the inner container (2) and the heat insulation coating layer (3) on the outer surface of the inner container (2) are both polished by aluminum plating, the outer surface of the shell (1) is made of a titanium steel composite plate, and the inner surface of the shell (1) is made of an aluminum alloy 6061.