阅读说明：本技术 一种车载液氢气瓶支撑结构 (Vehicle-mounted liquid hydrogen bottle supporting structure ) 是由 王亮亮 王娟 李小龙 王凯立 王嘉熹 彭志兵 李波 于 2021-01-14 设计创作，主要内容包括：本发明属于车载氢气瓶技术领域,具体为一种车载液氢气瓶支撑结构,包括外瓶和內瓶,所述外瓶的内腔安装有內瓶,所述外瓶的内腔顶部两侧均固定安装有第一抱箍,所述內瓶的内腔底部两侧均固定安装有第二抱箍,上下对应的所述第一抱箍和第二抱箍通过螺栓和螺母固定。本发明內瓶和外瓶之间设置的保温层,利用双层真空保温板层以及保温棉层和聚苯乙烯板层能够有效的提升了保温的效果,从而保持低温环境,同时利用真空传感器监测真空度,使得能够在真空度低于预设值时,自动再次抽真空,从而保证相对较高的真空度,从而能够进一步起到保温的效果,进而大大降低了外界接因素对內瓶内燃料的影响,从而减少了蒸发量,节约了能源。(The invention belongs to the technical field of vehicle-mounted hydrogen cylinders, and particularly relates to a vehicle-mounted liquid hydrogen cylinder supporting structure which comprises an outer cylinder and an inner cylinder, wherein the inner cylinder is installed in an inner cavity of the outer cylinder, first anchor ears are fixedly installed on two sides of the top of the inner cavity of the outer cylinder, second anchor ears are fixedly installed on two sides of the bottom of the inner cavity of the inner cylinder, and the first anchor ears and the second anchor ears which correspond to each other up and down are fixed through bolts and nuts. According to the heat-insulating layer arranged between the inner bottle and the outer bottle, the heat-insulating effect can be effectively improved by utilizing the double-layer vacuum heat-insulating plate layer, the heat-insulating cotton layer and the polystyrene plate layer, so that a low-temperature environment is kept, and meanwhile, the vacuum degree is monitored by utilizing the vacuum sensor, so that the vacuum degree can be automatically pumped again when the vacuum degree is lower than a preset value, and a relatively high vacuum degree is ensured, so that the heat-insulating effect can be further played, the influence of external connection factors on fuel in the inner bottle is greatly reduced, the evaporation capacity is reduced, and the energy is saved.)

1. The utility model provides an on-vehicle liquid hydrogen cylinder bearing structure, includes outer bottle (1) and interior bottle (2), its characterized in that: an inner bottle (2) is installed in an inner cavity of the outer bottle (1), first anchor ears (4) are fixedly installed on two sides of the top of the inner cavity of the outer bottle (1), second anchor ears (5) are fixedly installed on two sides of the bottom of the inner cavity of the inner bottle (2), the first anchor ears (4) and the second anchor ears (5) which correspond to each other up and down are fixed through bolts and nuts, the inner bottle (2) is clamped between the first anchor ears (4) and the second anchor ears (5), a heat insulation layer (3) is fixedly installed on the inner wall of the outer bottle (1), a vacuum sensor (7) is fixedly installed on the inner wall of the heat insulation layer (3), a vacuum pump (8) is fixedly installed on the top of the outer wall of the outer bottle (1), and the vacuum pump (8) is communicated with the inner cavity of the outer bottle (1) through a guide pipe (9);

the bottom two sides of the outer bottle (1) are fixedly connected with inserting rods (11), the lower side of the outer bottle (1) is provided with a bottom plate (17), the two sides of the surface of the bottom plate (17) are respectively provided with a first limiting sliding groove (12), the two sides of the inner cavity of the first limiting sliding groove (12) are respectively inserted with a first limiting sliding block (13), the two sides of the outer wall of the inserting rod (11) are respectively hinged with a connecting rod (14), the outer end of each connecting rod (14) is hinged with the top of the corresponding first limiting sliding block (13), the outer wall of each first limiting sliding block (13) is fixedly connected with one end of a damping shock absorber (15), the other end of each damping shock absorber (15) is fixedly connected with the inner wall of the first limiting sliding groove (12), the bottom of the inner cavity of the first limiting sliding groove (12) is provided with a second limiting sliding groove (18), and the inner cavity of the second limiting sliding groove (18) is inserted with a second, the top of the second limiting sliding block (19) is fixedly connected with a limiting shell (16), and the tail end of the inserted bar (11) is inserted into the inner cavity of the limiting shell (16).

2. The vehicle-mounted liquid hydrogen cylinder supporting structure according to claim 1, characterized in that: the heat preservation layer (3) comprises a first vacuum heat preservation plate layer (20) and a second vacuum heat preservation plate layer (21), wherein a heat preservation cotton layer (22) and a polystyrene plate layer (23) are fixedly arranged between the first vacuum heat preservation plate layer (20) and the second vacuum heat preservation plate layer (21).

3. The vehicle-mounted liquid hydrogen cylinder supporting structure according to claim 1, characterized in that: the plug rod (11) is plugged in an inner cavity of the limiting shell (16) and fixedly connected with a sliding block (24) matched with the limiting shell (16), and the bottom of the sliding block (24) is connected with the bottom of the inner cavity of the limiting shell (16) through a spring (25).

4. The vehicle-mounted liquid hydrogen cylinder supporting structure according to claim 1, characterized in that: the inner wall of first staple bolt (4) and second staple bolt (5) is equal fixed mounting has stopper (26), the spacing groove (27) with stopper (26) adaptation are all seted up to the outer wall both sides of inner bottle (2), stopper (26) are pegged graft in spacing groove (27).

5. The vehicle-mounted liquid hydrogen cylinder supporting structure according to claim 1, characterized in that: the left end intercommunication of interior bottle (2) has discharging pipe (10), the afterbody intercommunication of interior bottle (2) has filling tube (6), filling tube (6) and discharging pipe (10) all run through in outer bottle (1).

6. The vehicle-mounted liquid hydrogen cylinder supporting structure according to claim 1, characterized in that: rubber pads are fixedly mounted on the inner walls of the first hoop (4) and the second hoop (5).

7. The vehicle-mounted liquid hydrogen cylinder supporting structure according to claim 1, characterized in that: and the signal output end of the vacuum sensor (7) is connected with the signal input end of the vacuum pump (8).

8. The vehicle-mounted liquid hydrogen cylinder supporting structure according to claim 1, characterized in that: the inner bottle (2) is a glass steel bottle.

Technical Field

The invention relates to the technical field of vehicle-mounted hydrogen cylinders, in particular to a vehicle-mounted liquid hydrogen cylinder supporting structure.

Background

As an important energy material, hydrogen is probably applied in the large scale in the traffic field in the civil field to replace the traditional fuel oil vehicles. However, the storage and transportation of hydrogen is always a bottleneck problem which hinders the scale application of hydrogen energy, and the adoption of the storage and transportation of liquid hydrogen has great practical significance for the popularization of hydrogen energy from the perspective of application economy and cost. The liquid hydrogen storage and transportation container is divided into a ground fixed container, a movable transportation container and a liquid hydrogen bottle used as a fuel carried by a hydrogen energy vehicle, the volume of the liquid hydrogen storage and transportation container and the volume of the liquid hydrogen bottle can reach tens of squares, even more than one thousand squares, the evaporation rate can reach a very low level, and the liquid hydrogen storage and transportation container is relatively mature in application at home and abroad. However, for a liquid hydrogen cylinder for hydrogen-carrying vehicles, the evaporation rate of the liquid hydrogen cylinder becomes difficult to control due to the two characteristics of the volume of a single cylinder. As a practical demand for use of hydrogen energy vehicles, the evaporation rate is one of the most important indicators.

In the implementation process of the vehicle-mounted hydrogen cylinder, the following defects often exist, the vehicle-mounted hydrogen cylinder often shakes along with the vehicle in the supporting process, so that the hydrogen energy is caused to shake, the severe shaking influences the use effect and is easy to cause danger, and raw materials in the existing vehicle-mounted hydrogen cylinder are easy to evaporate, so that certain waste is caused. For this reason, new technical solutions need to be designed to solve the problem.

Disclosure of Invention

The invention aims to provide a vehicle-mounted liquid hydrogen bottle supporting structure, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a vehicle-mounted liquid hydrogen cylinder supporting structure comprises an outer cylinder and an inner cylinder, wherein the inner cylinder is installed in an inner cavity of the outer cylinder, first hoops are fixedly installed on two sides of the top of the inner cavity of the outer cylinder, second hoops are fixedly installed on two sides of the bottom of the inner cavity of the inner cylinder, the first hoops and the second hoops which correspond to each other in the up-down direction are fixed through bolts and nuts, the inner cylinder is clamped between the first hoops and the second hoops, a heat insulation layer is fixedly installed on the inner wall of the outer cylinder, a vacuum sensor is fixedly installed on the inner wall of the heat insulation layer, a vacuum pump is fixedly installed on the top of the outer wall of the outer cylinder, and the vacuum pump is communicated with the inner cavity of the outer cylinder through a guide;

the bottom of the outer bottle is fixedly connected with an inserted bar, the bottom plate is mounted on the lower side of the outer bottle, first limiting sliding grooves are formed in two sides of the surface of the bottom plate, first limiting sliding blocks are inserted into two sides of an inner cavity of each first limiting sliding groove in an inserted mode, connecting rods are hinged to two sides of the outer wall of each inserted bar, the outer ends of the connecting rods are hinged to the tops of the corresponding first limiting sliding blocks, the outer wall of each first limiting sliding block is fixedly connected with one end of a damping shock absorber, the other end of the damping shock absorber is fixedly connected with the inner wall of the corresponding first limiting sliding groove, a second limiting sliding groove is formed in the bottom of the inner cavity of each first limiting sliding groove, a second limiting sliding block is inserted into the inner cavity of the second limiting sliding groove, a limiting shell is fixedly connected to the top of the second limiting sliding block, and the tail end of.

As a preferred embodiment of the present invention, the insulation layer includes a first vacuum insulation board layer and a second vacuum insulation board layer, and an insulation cotton layer and a polystyrene board layer are fixedly installed between the first vacuum insulation board layer and the second vacuum insulation board layer.

As a preferred embodiment of the present invention, the insertion rod is inserted into an inner cavity of the limiting shell and is fixedly connected with a sliding block adapted to the limiting shell, and the bottom of the sliding block is connected with the bottom of the inner cavity of the limiting shell through a spring.

As a preferred embodiment of the invention, the inner walls of the first and second hoops are fixedly provided with limiting blocks, the two sides of the outer wall of the inner bottle are respectively provided with a limiting groove adapted to the limiting blocks, and the limiting blocks are inserted into the limiting grooves.

As a preferred embodiment of the present invention, a discharge pipe is communicated with the left end of the inner bottle, a feed pipe is communicated with the tail of the inner bottle, and both the feed pipe and the discharge pipe penetrate through the outer bottle.

As a preferred embodiment of the present invention, rubber pads are fixedly mounted on inner walls of the first anchor ear and the second anchor ear.

In a preferred embodiment of the present invention, the signal output terminal of the vacuum sensor is connected to the signal input terminal of the vacuum pump.

In a preferred embodiment of the present invention, the inner bottle is a glass steel bottle.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the heat insulation layer arranged between the inner bottle and the outer bottle, the heat insulation effect can be effectively improved by utilizing the double-layer vacuum heat insulation plate layer, the heat insulation cotton layer and the polystyrene plate layer, so that the low-temperature environment is kept, and meanwhile, the vacuum degree is monitored by utilizing the vacuum sensor, so that the vacuum can be automatically pumped again when the vacuum degree is lower than a preset value, and thus, a relatively high vacuum degree is ensured, the heat insulation effect can be further played, the influence of external connection factors on fuel in the inner bottle is greatly reduced, the evaporation capacity is reduced, and the energy is saved.

2. According to the invention, in the vibration process of the vehicle body, the inserted rod can compress the spring, and the connecting rod drives the first limiting slide block to push the damping shock absorber, so that shock absorption and energy dissipation can be realized, the influence of vibration on raw materials in the inner bottle is reduced, the influence caused by vibration is reduced, and the dangerous situation is avoided.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic overall structure diagram of a vehicle-mounted liquid hydrogen cylinder support structure according to the present invention;

FIG. 2 is a schematic structural diagram of an insulating layer of a supporting structure of a vehicle-mounted liquid hydrogen cylinder according to the present invention;

FIG. 3 is a schematic structural diagram of an inner cavity of a limiting pipe of the vehicle-mounted liquid hydrogen cylinder supporting structure;

fig. 4 is a schematic diagram of a first hoop, a second hoop and an inner bottle connecting structure of the vehicle-mounted liquid hydrogen bottle supporting structure.

In the figure: 1. an outer bottle; 2. an inner bottle; 3. a heat-insulating layer; 4. a first hoop; 5. a second hoop; 6. a feed tube; 7. a vacuum sensor; 8. a vacuum pump; 9. a conduit; 10. a discharge pipe; 11. inserting a rod; 12. a first limiting chute; 13. a first limit slide block; 14. a connecting rod; 15. a damping shock absorber; 16. a limiting shell; 17. a base plate; 18. a second limiting chute; 19. a second limit slide block; 20. a first vacuum insulation board layer; 21. a second vacuum insulation board layer; 22. a heat insulation cotton layer; 23. a polystyrene board layer; 24. a slider; 25. a spring; 26. a limiting block; 27. a limiting groove.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations, the model of the electrical appliance provided in the present invention is only referred to, and different models of electrical appliances with the same function can be replaced according to the actual use situation.

Referring to fig. 1-4, the present invention provides a technical solution: a vehicle-mounted liquid hydrogen bottle supporting structure comprises an outer bottle 1 and an inner bottle 2, the inner bottle 2 is installed in an inner cavity of the outer bottle 1, first hoops 4 are fixedly installed on two sides of the top of the inner cavity of the outer bottle 1, second hoops 5 are fixedly installed on two sides of the bottom of the inner cavity of the inner bottle 2, the inner bottle 2 is limited and fastened through the first hoops 4 and the second hoops 5, the first hoops 4 and the second hoops 5 which correspond to each other up and down are fixed through bolts and nuts, limiting blocks 26 are fixedly installed on the inner walls of the first hoops 4 and the second hoops 5, limiting grooves 27 matched with the limiting blocks 26 are formed in two sides of the outer wall of the inner bottle 2, the limiting blocks 26 are inserted into the limiting grooves 27 and clamped into the limiting grooves 27 through the limiting blocks 26, so that the inner bottle 2 is limited and stable, the inner bottle 2 is clamped between the first hoops 4 and the second hoops 5, and a heat-insulating layer 3 is fixedly installed on the inner wall of the outer bottle 1, a vacuum sensor 7 is fixedly installed on the inner wall of the heat preservation layer 3, the heat preservation layer 3 comprises a first vacuum heat preservation plate layer 20 and a second vacuum heat preservation plate layer 21, a heat preservation cotton layer 22 and a polystyrene plate layer 23 are fixedly installed between the first vacuum heat preservation plate layer 20 and the second vacuum heat preservation plate layer 21, the heat preservation layer 3 can be used for preserving heat between the inner bottle 2 and the outer bottle 1, the influence of external factors is isolated, a vacuum pump 8 is fixedly installed at the top of the outer wall of the outer bottle 1, the vacuum pump 8 is communicated with the inner cavity of the outer bottle 1 through a guide pipe 9, the space between the inner bottle 2 and the outer bottle 1 can be vacuumized through the vacuum pump 8, and a higher vacuum degree is kept;

the bottom two sides of the outer bottle 1 are fixedly connected with inserting rods 11, the lower side of the outer bottle 1 is provided with a bottom plate 17, the two sides of the surface of the bottom plate 17 are respectively provided with a first limiting sliding groove 12, the two sides of the inner cavity of the first limiting sliding groove 12 are respectively inserted with a first limiting sliding block 13, the two sides of the outer wall of the inserting rod 11 are respectively hinged with a connecting rod 14, the outer end of each connecting rod 14 is hinged with the top of the corresponding first limiting sliding block 13, the outer wall of the first limiting sliding block 13 is fixedly connected with one end of a damping shock absorber 15, the other end of the damping shock absorber 15 is fixedly connected with the inner wall of the first limiting sliding groove 12, the damping shock absorber 15 can absorb shock and dissipate energy, the bottom of the inner cavity of the first limiting sliding groove 12 is provided with a second limiting sliding groove 18, the inner cavity of the second limiting sliding groove 18 is inserted with a second limiting sliding block 19, the top of the second limiting sliding block 19 is fixedly connected with a limiting shell, the bottom of the slide block 24 is connected with the bottom of the inner cavity of the limiting shell 16 through a spring 25.

In the invention, the inner bottle 2 is limited by the first hoop 4 and the second hoop 5, the limit is limited by the limit block 26, so that the limit is stable, the heat insulation performance can be improved by the heat insulation layer 3, the influence of external temperature on the inner bottle 2 is avoided, meanwhile, the vacuum sensor 7 can timely feed back the vacuum degree, when the vacuum degree exceeds the preset value range, the vacuum pump 8 is started to vacuumize, so that higher vacuum degree is kept, and further, the influence of external factors is reduced, meanwhile, after the device is installed, a vehicle body can vibrate, vibration is transmitted, the slide block 24 is driven by the inserting rod 11 to compress the spring 25, meanwhile, the connecting rod 14 can drive the first limit slide block 13 to compress the damping shock absorber 15, the damping shock absorber 15 can absorb shock and dissipate energy, so that the influence caused by shock is reduced, the stability of dye in the inner bottle 2 is ensured, and the dangerous situation caused, the device internal and external connection is fastened, and stability is high, can inhale the shake energy dissipation simultaneously, has promoted the security performance of device.

In this embodiment, the left end intercommunication of interior bottle 2 has discharging pipe 10, and the afterbody intercommunication of interior bottle 2 has filling tube 6, and filling tube 6 and discharging pipe 10 all run through in outer bottle 1.

The fuel can be discharged through the discharge pipe 10, and when it is necessary to add fuel, the fuel is supplied through the charge pipe 6.

In this embodiment, rubber pads are fixedly mounted on the inner walls of the first hoop 4 and the second hoop 5.

It should be noted that, the rubber pad is arranged, so that abrasion to the inner bottle 2 can be avoided.

In this embodiment, the signal output terminal of the vacuum sensor 7 is connected to the signal input terminal of the vacuum pump 8.

Note that the vacuum sensor 7 is enabled to start the vacuum pump immediately.

In this embodiment, the inner bottle 2 is a glass steel bottle.

It has the advantages of light weight, high strength, corrosion resistance, heat preservation, insulation, sound insulation, long service life, etc.

In addition, the components of the vehicle-mounted liquid hydrogen cylinder supporting structure are all universal standard components or components known by technicians in the field, the structure and the principle of the vehicle-mounted liquid hydrogen cylinder supporting structure can be known by technicians in the technical manual or by conventional experimental methods, all the electric devices in the device are connected with a power element, an electric device, an adaptive monitoring computer and a power supply through leads at the idle position, the specific connection means refers to the following working principle, the electric devices are electrically connected in sequence, the detailed connection means is known in the art, the working principle and the working process are mainly described in the following, the description of electric control is omitted, and the vehicle-mounted liquid hydrogen cylinder supporting structure is used.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.