CN219912649U - Gas storage bottle and vehicle - Google Patents

Abstract

The utility model relates to a gas storage bottle and a vehicle. The bottle body structure forms a first bottle section and a second bottle section which are communicated with each other, and a gas storage space is formed in the first bottle section and the second bottle section together. The first bottle segment extends in a first direction and the second bottle segment extends in a second direction, the first direction intersecting the second direction. Above-mentioned gas bomb, its bottle includes the first bottle section and the second bottle section that extend along two crossing directions respectively, can utilize the space of chassis different directions. On the other hand, because the two are communicated and jointly form a gas storage space, the gas storage bottle is provided with the first bottle section and the second bottle section, but compared with the arrangement form of a plurality of hydrogen storage bottles, the gap between different hydrogen storage bottles can be greatly reduced, and the space occupied by the bottle body of the gas storage bottle is smaller on the premise of the same volume. In addition, the gas storage bottle does not need an extra pipeline to connect the first bottle section and the second bottle section so as to leave more space for the bottle body for gas storage.

Description

Gas storage bottle and vehicle

Technical Field

The utility model relates to the technical field of air source equipment, in particular to an air storage bottle and a vehicle.

Background

Hydrogen fuel cell automobiles use hydrogen as their fuel, and thus a hydrogen storage cylinder for storing high-pressure hydrogen is one of the essential key components of fuel cell automobiles. The conventional hydrogen storage bottle has a generally cylindrical structure, and in order to carry a sufficient amount of hydrogen, a hydrogen fuel cell car often carries a plurality of hydrogen storage bottles at a chassis. To adequately accommodate and utilize the limited space of the chassis, these hydrogen storage cylinders may be arranged in different directions, such as two hydrogen cylinders arranged in a T-shaped arrangement, one across the other.

However, this arrangement, although improving the utilization of the limited space of the automobile to some extent, still has a lot of space waste.

Disclosure of Invention

In view of the above, it is necessary to provide a gas cylinder and a vehicle that can more fully utilize the space of the vehicle.

A gas cylinder, the gas cylinder comprising:

the bottle body is structured to form a first bottle section and a second bottle section which are communicated with each other, and a gas storage space is formed in the first bottle section and the second bottle section together; the first bottle segment extends in a first direction and the second bottle segment extends in a second direction, the first direction intersecting the second direction.

Above-mentioned gas bomb, its bottle includes the first bottle section and the second bottle section that extend along two crossing directions respectively, can utilize the space of chassis different directions. On the other hand, because the two are communicated and jointly form a gas storage space, the gas storage bottle is provided with the first bottle section and the second bottle section, but compared with the arrangement form of a plurality of hydrogen storage bottles, the gap between different hydrogen storage bottles can be greatly reduced, the space occupied by the bottle body of the gas storage bottle is less on the premise of the same volume, the hydrogen storage density is improved by phase change, and the material cost per volume is lower. In addition, the gas storage bottle can meet the working requirement by only needing at least one bottle valve, and an additional pipeline is not needed to connect the first bottle section with the second bottle section, so that more space is reserved for the bottle body for gas storage.

In one embodiment, the first bottle segment has first and second ends opposite in the first direction, and the second bottle segment has third and fourth ends opposite in the second direction, with the second end connected to and communicating between the third and fourth ends.

In one embodiment, the gas cylinder further comprises at least one cylinder valve, at least one of the first, third and fourth ends being provided with the cylinder valve.

In one embodiment, the gas cylinder further comprises a pressure relief device, and the pressure relief device is disposed on the cylinder body.

In one embodiment, the gas cylinder is provided with a pressure relief port communicated with the gas storage space;

the gas cylinder has a temperature detection position, and the pressure relief device is configured to open the pressure relief port when the temperature of the temperature detection position is greater than or equal to a set value.

In one embodiment, the first bottle segment has first and second ends opposite in the first direction, the second bottle segment has third and fourth ends opposite in the second direction, and the second end is connected to and communicates between the third and fourth ends;

at least two of the first end, the third end and the fourth end are provided with temperature detection positions, and the pressure relief device is configured to open the pressure relief opening when the temperature of any one of the temperature detection positions is greater than or equal to the set value.

In one embodiment, the gas cylinder is provided with a pressure relief port communicated with the gas storage space;

the pressure relief device comprises a fusible plug, and the fusible plug is plugged in the pressure relief opening.

In one embodiment, the first bottle segment has first and second ends opposite in the first direction, the second bottle segment has third and fourth ends opposite in the second direction, and the second end is connected to and communicates between the third and fourth ends;

the pressure relief opening includes first pressure relief opening, the fusible plug includes first fusible plug, pressure relief device still includes the pressure relief pipe, the pressure relief pipe is located outside the bottle, have an entrance point and two exit ends, the entrance point intercommunication the gas storage space, two exit ends extend respectively to the third end with fourth end department, and all form first pressure relief opening, all first pressure relief opening all shutoff has first fusible plug.

In one embodiment, the bottle body comprises an inner container and an outer winding layer, wherein the inner container is made of plastic, and the outer winding layer is a carbon fiber layer wound on the outer surface of the inner container.

A vehicle comprising a gas cylinder as described above.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a gas tank according to an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of the air tank shown in fig. 1.

Reference numerals illustrate: 100. a gas cylinder; 10. a bottle body; 11. a first bottle segment; 111. a first end; 113. a second end; 13. a second bottle segment; 131. a third end; 133. a fourth end; 15. an inner container; 17. an outer winding layer; 31. a bottle valve; 33. a valve seat; 50. a pressure relief device; 51. a fusible plug; 511. a first fusible plug; 513. a second fusible plug; 53. a pressure relief conduit; s, a gas storage space.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the term "and/or" is merely an association relation describing the association object, meaning that three relations may exist, e.g. a and/or B, may be represented: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 and 2, a gas cylinder 100 according to an embodiment of the present utility model includes a cylinder body 10. The bottle body 10 is constructed to form a first bottle section 11 and a second bottle section 13 which are communicated with each other, and a gas storage space S is formed in the first bottle section 11 and the second bottle section 13 together. The first bottle segment 11 extends in a first direction (X direction in the figure) and the second bottle segment 13 extends in a second direction (Y direction in the figure), the first direction intersecting the second direction.

In one embodiment, the gas cylinder 100 is used for storing hydrogen, and the gas storage space S is used for storing high-pressure hydrogen, and in other embodiments, the gas storage space S may be used for storing methane, natural gas, and the like, which is not limited herein.

It will be appreciated that the first bottle segment 11 and the second bottle segment 13 are both generally cylindrical and are connected to each other to form the bottle 10, and the diameters of the two can be the same or different. In order to achieve its normal function, the gas cylinder 100 may further include a cylinder valve 31, a valve seat 33, etc., the cylinder valve 31 having a gas passage for communicating the gas storage space S with the outside, the gas passage being controlled to open and close to release gas or charge gas when opened, the valve seat 33 being used for fixing the cylinder valve 31.

The gas cylinder 100 has a cylinder body 10 including a first cylinder segment 11 and a second cylinder segment 13 extending in two intersecting directions, respectively, and can use spaces in different directions of a chassis. On the other hand, because the two are communicated and form the gas storage space S together, the gas storage bottle 100 has the first bottle section 11 and the second bottle section 13, but compared with the arrangement form of a plurality of hydrogen storage bottles, the gap between different hydrogen storage bottles can be greatly reduced, the space occupied by the bottle body 10 of the gas storage bottle 100 per se is less on the premise of the same volume, the hydrogen storage density is improved by phase change, and the material cost per unit volume is lower. In addition, the gas cylinder 100 can meet the working requirements by only needing at least one cylinder valve 31, and no additional pipeline is needed to connect the first cylinder section 11 and the second cylinder section 13 so as to leave more space for the gas storage cylinder 10.

Further, the bottle body 10 includes an inner container 15 and an outer winding layer 17, the inner container 15 is made of plastic, and the outer winding layer 17 is a carbon fiber layer wound on the outer surface of the inner container 15.

The plastic liner 15 is more easily shaped and cooperates with the carbon fiber layer wrapped around it to form the bottle body 10 having the first and second bottle segments 11, 13. In addition, the plastic liner 15 and the carbon fiber layer have the characteristic of light weight, which is helpful for reducing the weight of the bottle body 10 and realizing light weight.

In some embodiments, the first bottle segment 11 has a first end 111 and a second end 113 opposite in a first direction, the second bottle segment 13 has a third end 131 and a fourth end 133 opposite in a second direction, and the second end 113 is connected and communicates between the third end 131 and the fourth end 133.

The first direction may be perpendicular to the second direction, in which case the bottle 10 is substantially T-shaped, and the first end 111, the third end 131, and the fourth end 133 may be regarded as three ends of the T-shaped bottle 10.

The bottle body 10 of the gas storage bottle 100 is composed of the first bottle section 11 and the second bottle section 13 which are positioned and connected in such a way that the gas storage bottle is arranged on the chassis of the vehicle, and the space of the chassis of the vehicle is fully utilized.

It will be appreciated that in other embodiments, the first bottle segment 11 may also be in other positions and connections with the second bottle segment 13 and accordingly may be generally L-shaped, cross-shaped, etc., without limitation.

Further, the gas cylinder 100 further comprises at least one cylinder valve 31, at least one of the first end 111, the third end 131 and the fourth end 133 being provided with a cylinder valve 31.

The first end 111, the third end 131 and the fourth end 133 of the bottle body 10 can be provided with the bottle valve 31, and at least one bottle valve 31 is required to meet the basic air supply requirement.

In some embodiments, the gas cylinder 100 further comprises a pressure relief device 50, the pressure relief device 50 being disposed on the cylinder 10.

The pressure relief device 50, which may be abbreviated as PRD (Pressure Relief Device), is the most important safety device for a gas cylinder 100, in particular a gas cylinder 100 for storing hydrogen. PRDs can protect vehicles and vehicle occupants by venting (controlled release of high pressure stored gas) in the event of dangerous conditions of overheating and/or overpressure to prevent uncontrolled events such as chemical/explosion risk of hydrogen, compressed mechanical/mechanical shock, etc. The pressure relief device 50 with the overheat protection function is also called as an overheat pressure relief device 50, and is abbreviated as TPRD (Thermally Activated Pressure Relief Device), and can perform pressure relief protection when the storage tank encounters fire.

The gas cylinder 100 with the pressure relief device 50 can relieve pressure when necessary to effectively reduce the possibility of occurrence of uncontrollable events.

Further, the gas cylinder 100 is constructed with a pressure relief port communicating with the gas storage space S. The gas cylinder 100 has a temperature detection position, and the pressure relief device 50 is configured to open the pressure relief vent when the temperature of the temperature detection position is greater than or equal to a set value.

The temperature sensing position is a position formed on the gas cylinder 100 for sensing temperature. The temperature detection unit of the gas cylinder 100 may be provided at the cylinder 10 or at a position near the cylinder 10 to reflect the condition of the cylinder 10. The magnitude of the set point may be set according to the actual situation, and when the temperature sensed by the pressure relief device 50 reaches or exceeds the set point, it indicates that the gas cylinder 100 is at risk (e.g., fire occurs). At this time, the pressure relief device 50 opens the pressure relief port. When the pressure relief device 50 opens the pressure relief opening, the pressure relief opening is communicated with the air storage space S, and the air in the air storage space S can be released to the outside through the pressure relief opening for pressure relief.

It is understood that the pressure relief device 50 may include a fusible plug 51, where the fusible plug 51 is located is a temperature detecting location, and the temperature is sensed and reacts accordingly by using the characteristic of the fusible plug 51. The melting point of the fusible plug 51 is designed to be a set value, and the fusible plug 51 melts when reaching or exceeding the set value to naturally open the pressure relief port. In other embodiments, the pressure relief device 50 may include a temperature sensor and a safety valve, and the temperature sensor senses the temperature of the temperature detection location, and when the temperature reaches or exceeds a set value, the safety valve opens the pressure relief opening, so long as the pressure relief opening can react according to the temperature, so that the pressure relief opening can be opened when the temperature reaches or exceeds the set value, which is not limited herein.

The pressure relief device 50 can open the pressure relief opening according to the temperature, that is, the pressure relief device 50 is the overheat pressure relief device 50 with overheat protection function, so that the possibility of occurrence of uncontrollable events caused by abnormal temperature of the gas cylinder 100 can be effectively reduced.

Further, at least two of the first end 111, the third end 131 and the fourth end 133 are provided with temperature detection positions, and the pressure relief device 50 is configured to open the pressure relief port when the temperature of any one of the temperature detection positions is greater than or equal to a set value.

At least two of the first end 111, the third end 131 and the fourth end 133 are provided with temperature detection positions, so that the condition of the whole bottle 10 can be more fully reflected, hidden dangers can be timely found, and the pressure relief opening is timely opened to relieve pressure when the temperature of any temperature detection position is abnormal.

In some embodiments, the pressure relief device 50 includes a fusible plug 51, the fusible plug 51 being plugged into the pressure relief vent.

Thus, when the temperature of the position of the fusible plug 51 is equal to or higher than the melting point of the fusible plug 51, the fusible plug 51 melts, and the pressure relief port is opened by naturally losing the seal, thereby relieving the pressure.

Further, the pressure relief vent includes a first pressure relief vent, and the fusible plug 51 includes a first fusible plug 511. The pressure relief device 50 further comprises a pressure relief conduit 53, wherein the pressure relief conduit 53 is positioned outside the bottle body 10 and is provided with an inlet end and two outlet ends, the inlet end is communicated with the gas storage space S, the two outlet ends respectively extend to the third end 131 and the fourth end 133 and form first pressure relief openings, and the first fusible plugs 511 are plugged in all the first pressure relief openings.

The air inlet end of the pressure relief conduit 53 may be connected to the air passage of the bottle valve 31, and may be connected to the air storage space S through the air passage of the bottle valve 31. The outlet ends of the pressure release conduit 53 extend to the third end 131 and the fourth end 133, and do not necessarily reach the ends of the two ends completely, but only need to be substantially located at the third end 131 and the fourth end 133, and the two outlet ends can be respectively attached to the outer surfaces of the third end 131 and the fourth end 133.

When the temperature at any one of the first pressure release openings reaches or exceeds the melting point of the first fusible plug 511, the corresponding first fusible plug 51 melts, and the first pressure release opening where it is located is opened by losing the seal, and pressure release is started. Therefore, hidden dangers at corresponding positions can be found in time, and the pressure relief opening is opened to relieve pressure.

In other embodiments, the pressure relief conduit 53 may further have more than two outlet ends, and each of the outlet ends extends to different positions of the bottle 10, and each of the outlet ends forms a first pressure relief opening, and all of the first pressure relief openings are plugged with the first fusible plug 511. In this way, the temperature of any outlet is too high, which can cause the corresponding first fusible plug 511 to open the first pressure release opening where it is located, so as to release pressure. The plurality of outlet ports and the first fusible plugs 511 disposed in the first pressure relief openings of the outlet ports can react with the temperature of the bottle 10 from different positions, and the melting points of the different first fusible plugs 511 can be the same or different.

Still further, the pressure relief vent also includes a second pressure relief vent, and fusible plug 51 also includes a second fusible plug 513. The second pressure relief vent is located at the first end 111, and the second fusible plug 513 is plugged into the second pressure relief vent.

The second pressure relief opening may be disposed on the bottle valve 31 at the first end 111 and is communicated with an air passage of the bottle valve 31, and is communicated with the air storage space S through the air passage of the bottle valve 31. When the temperature of the second pressure release port reaches or exceeds the melting point of the second fusible plug 513, the second fusible plug 51 melts, and the second pressure release port where it is located is opened by losing the seal, and pressure release is started.

Thus, the two first fusible plugs 511 and the second fusible plugs 513 are respectively distributed at the third end 131, the fourth end 133 and the first end 111, so as to more fully cover the whole bottle 10, more fully reflect the condition of the whole bottle 10, discover hidden dangers in time, and enable the first fusible plugs 511 to reach the melting point or the second fusible plugs 513 at any position to reach the melting point, so that melting can occur, and corresponding pressure relief openings can be opened in time to relieve pressure.

The gas cylinder 100 has a first cylinder segment 11 and a second cylinder segment 13 in the cylinder body 10, the first cylinder segment 11 extends in a first direction, the second cylinder segment 13 extends in a second direction, and the whole cylinder body 10 is substantially T-shaped. In this way, the gas cylinder 100 can fully utilize the space of the vehicle chassis. Compared with the arrangement form of a plurality of hydrogen storage bottles, the T-shaped bottle body 10 is more compact and has higher energy density. The gas cylinder 100 requires at least one cylinder valve 31 and no piping is required to connect the first cylinder segment 11 to the second cylinder segment 13, allowing more space for the cylinder 10 for gas storage. In addition, the gas cylinder 100 further has a pressure relief device 50, where the pressure relief device 50 has two first fusible plugs 511 respectively disposed at the third end 131 and the fourth end 133, and a second fusible plug 513 disposed at the first end 111, and all the first fusible plugs 511 and the second fusible plugs 513 are plugged into the corresponding pressure relief ports, and when any one of the temperatures reaches the melting point, the melting occurs, so that the pressure relief ports begin to relieve pressure. Thus, the fusible plugs 51 distributed at the three ends of the bottle 10 can fully cover the whole bottle 10, and pressure relief is performed in time when the bottle 10 has abnormal temperature.

In one embodiment of the present utility model, a vehicle is provided that includes the above-described gas cylinder 100.

The vehicle may have a fuel cell, and store fuel of the fuel cell such as hydrogen, natural gas, etc. by the gas cylinder 100.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. A gas cylinder, the gas cylinder comprising:

the bottle body (10) is structured to form a first bottle section (11) and a second bottle section (13) which are communicated with each other, and a gas storage space (S) is formed in the first bottle section (11) and the second bottle section (13) together; the first bottle section (11) extends in a first direction and the second bottle section (13) extends in a second direction, the first direction intersecting the second direction.

2. The gas cylinder according to claim 1, wherein the first cylinder section (11) has a first end (111) and a second end (113) opposite in the first direction, the second cylinder section (13) has a third end (131) and a fourth end (133) opposite in the second direction, and the second end (113) is connected and communicates between the third end (131) and the fourth end (133).

3. The gas cylinder according to claim 2, further comprising at least one cylinder valve (31), at least one of the first end (111), third end (131) and fourth end (133) being provided with the cylinder valve (31).

4. The gas cylinder according to claim 1, further comprising a pressure relief device (50), the pressure relief device (50) being provided in the cylinder body (10).

5. Gas cylinder according to claim 4, characterized in that it is configured with a pressure relief vent communicating with the gas storage space (S);

the gas cylinder has a temperature detection position, and the pressure relief device (50) is configured to open the pressure relief port when the temperature of the temperature detection position is greater than or equal to a set value.

6. The cylinder according to claim 5, characterized in that said first cylinder segment (11) has a first end (111) and a second end (113) opposite in said first direction, said second cylinder segment (13) having a third end (131) and a fourth end (133) opposite in said second direction, said second end (113) being connected and communicating between said third end (131) and said fourth end (133);

at least two of the first end (111), the third end (131) and the fourth end (133) are provided with the temperature detection positions, and the pressure relief device (50) is configured to open the pressure relief port when the temperature of any one of the temperature detection positions is greater than or equal to the set value.

7. Gas cylinder according to claim 4, characterized in that it is configured with a pressure relief vent communicating with the gas storage space (S);

the pressure relief device (50) comprises a fusible plug (51), and the fusible plug (51) is plugged in the pressure relief opening.

8. The cylinder according to claim 7, characterized in that said first cylinder segment (11) has a first end (111) and a second end (113) opposite in said first direction, said second cylinder segment (13) having a third end (131) and a fourth end (133) opposite in said second direction, said second end (113) being connected and communicating between said third end (131) and said fourth end (133);

the pressure relief opening comprises a first pressure relief opening, the fusible plug (51) comprises a first fusible plug (511), the pressure relief device (50) further comprises a pressure relief guide pipe (53), the pressure relief guide pipe (53) is located outside the bottle body (10) and is provided with an inlet end and two outlet ends, the inlet end is communicated with the gas storage space (S), the two outlet ends respectively extend to the third end (131) and the fourth end (133), the first pressure relief opening is formed, and all the first pressure relief openings are all plugged with the first fusible plug (511).

9. The gas cylinder according to any one of claims 1 to 8, wherein the cylinder body (10) comprises an inner container (15) and an outer winding layer (17), the inner container (15) is made of plastic material, and the outer winding layer (17) is a carbon fiber layer wound on the outer surface of the inner container (15).

10. A vehicle, characterized in that it comprises a gas cylinder as claimed in any one of claims 1-9.