阅读说明：本技术 一种双室软囊储氢瓶及其控制方法 (Double-chamber soft-bag hydrogen storage bottle and control method thereof ) 是由 麦建明 唐厚闻 李红涛 白云飞 邵恒 刘晴晴 于 2021-06-15 设计创作，主要内容包括：本发明涉及一种双室软囊储氢瓶及其控制方法,双室软囊储氢瓶包括储氢瓶主体,储氢瓶主体设有氢气口和承压流体口,双室软囊储氢瓶还包括软性隔囊,该软性隔囊位于储氢瓶主体内部,软性隔囊的一端开口,软性隔膜的开口端围绕氢气口密封连接储氢瓶主体。与现有技术相比,本发明能保持储氢瓶内氢气的压力,由此避免氢气压力释放过程中,压力变化导致的温度变化,由此产生的能量消耗；并能提高氢气转移速度和运输效率。(The invention relates to a double-chamber soft-bag hydrogen storage bottle and a control method thereof. Compared with the prior art, the hydrogen storage bottle can maintain the pressure of hydrogen in the hydrogen storage bottle, thereby avoiding the energy consumption caused by the temperature change caused by the pressure change in the hydrogen pressure release process; and the hydrogen transfer speed and the transportation efficiency can be improved.)

1. A double-chamber soft-bag hydrogen storage bottle comprises a hydrogen storage bottle main body (1) and is characterized in that the hydrogen storage bottle main body (1) is provided with a hydrogen port (3) and a pressure-bearing fluid port (4), the double-chamber soft-bag hydrogen storage bottle also comprises a soft separation bag (2), the soft separation bag (2) is positioned inside the hydrogen storage bottle main body (1), one end of the soft separation bag (2) is opened, and the opening end of the soft diaphragm is hermetically connected with the hydrogen storage bottle main body (1) around the hydrogen port (3);

a first cavity is formed between the outer side of the soft separating bag (2) and the interior of the hydrogen storage bottle main body (1), the first cavity is used for storing pressure-bearing fluid, and the pressure-bearing fluid port (4) penetrates through the first cavity;

a second cavity is formed inside the soft separating bag (2), hydrogen is stored in the second cavity, and the hydrogen port (3) penetrates through the second cavity.

2. The dual chamber, flexible bladder hydrogen storage bottle of claim 1, wherein said pressurized fluid is compressed air, compressed nitrogen, liquid water or oil.

3. A dual chamber, flexible bladder hydrogen storage cylinder according to claim 1, wherein the hydrogen gas port (3) and the pressurized fluid port (4) are located at opposite ends of the cylinder body (1).

4. A double-chamber soft-bag hydrogen storage bottle according to claim 1, characterized in that the soft-bag (2) is bonded, clamped or welded to the hydrogen storage bottle body (1).

5. A double-chambered soft-bag hydrogen storage bottle according to claim 1, wherein the material of the soft-separating bag (2) is rubber or silica gel.

6. A double-chambered soft-bag hydrogen storage bottle according to claim 1, characterized in that the hydrogen storage bottle body (1) is of a horizontal structure.

7. A dual chamber flexible bladder hydrogen storage bottle according to claim 1, wherein said pressurized fluid port (4) is connected to a pressurized fluid transfer structure comprising a pressurized fluid storage chamber, a fluid transfer pump and a fluid transfer line, said pressurized fluid storage chamber being connected to the fluid transfer pump by the fluid transfer line and accessing said pressurized fluid port (4).

8. A dual chamber flexible bladder hydrogen storage bottle in accordance with claim 7, characterized in that the hydrogen port (3) is fitted with a pressure jet.

9. A control method using a dual chamber flexible bladder hydrogen storage bottle as claimed in claim 1, comprising:

and (3) a storage process: hydrogen is stored in the soft separation bag (2) through the hydrogen port (3), and pressure-bearing fluid is stored in a cavity between the soft separation bag (2) and the hydrogen storage bottle main body (1) through the pressure-bearing fluid port (4);

and (3) a release process: hydrogen is released through the hydrogen port (3), and pressure-bearing fluid is input through the pressure-bearing fluid port (4) according to the hydrogen release amount in the hydrogen release process so as to keep the pressure in the bottle stable.

10. A control method using a dual chamber flexible bladder hydrogen storage bottle according to claim 8, comprising:

and (3) a storage process: hydrogen is stored in the flexible separating bag (2) through the hydrogen port (3), and pressure-bearing fluid is stored in a cavity between the flexible separating bag (2) and the hydrogen storage bottle main body (1) through the pressure-bearing fluid port (4) under the driving of the fluid transmission pump;

and (3) a release process: the pressure-bearing fluid is input into the first cavity through the pressure-bearing fluid port (4) by the driving of the fluid transmission pump, and the hydrogen is released by the pressure nozzle.

Technical Field

The invention relates to the field of hydrogen storage bottles, in particular to a double-chamber soft-bag hydrogen storage bottle and a control method thereof.

Background

The hydrogen storage bottle is used for storing hydrogen, as shown in fig. 1, in the prior art, the hydrogen in the hydrogen storage bottle is stored at a pressure higher than atmospheric pressure for standby; when the hydrogen storage bottle is used, the hydrogen is gradually output while releasing the pressure by opening the opening of the hydrogen storage bottle.

However, the prior art has the following defects:

1. in the hydrogen output process, the pressure in the hydrogen storage bottle gradually becomes smaller, the transfer speed of hydrogen gradually becomes slower, and the hydrogen output efficiency becomes lower and lower;

2. during the hydrogen release process, pressure changes can result in temperature changes, increasing energy consumption.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a double-chamber soft-bag hydrogen storage bottle for improving the hydrogen transfer speed and the transportation efficiency and a control method thereof.

The purpose of the invention can be realized by the following technical scheme:

a hydrogen storage bottle with double chambers and soft bags comprises a hydrogen storage bottle main body, wherein the hydrogen storage bottle main body is provided with a hydrogen port and a pressure-bearing fluid port, the hydrogen storage bottle with the double chambers and the soft bags further comprises soft separation bags, the soft separation bags are positioned in the hydrogen storage bottle main body, one ends of the soft separation bags are open, and the open ends of the soft membranes are hermetically connected with the hydrogen storage bottle main body around the hydrogen port;

a first cavity is formed between the outer side of the flexible separating bag and the inner part of the hydrogen storage bottle main body, pressure-bearing fluid is stored in the first cavity, and the pressure-bearing fluid port penetrates through the first cavity;

a second cavity is formed inside the soft separating bag, hydrogen is stored in the second cavity, and the hydrogen port penetrates through the second cavity.

Further, the pressure-bearing fluid is compressed air, compressed nitrogen, liquid water or oil.

Further, the hydrogen port and the pressure-containing fluid port are respectively located at opposite ends of the hydrogen storage cylinder main body.

Further, the flexible separating bag is bonded, clamped or welded with the hydrogen storage bottle main body.

Further, the soft separating bag is made of rubber or silica gel.

Further, the hydrogen storage bottle main body is of a horizontal structure.

Further, the pressure-bearing fluid port is connected with a pressure-bearing fluid conveying structure, the pressure-bearing fluid conveying structure comprises a pressure-bearing fluid storage cavity, a fluid transmission pump and a fluid conveying pipeline, and the pressure-bearing fluid storage cavity is connected with the fluid transmission pump through the fluid conveying pipeline and is connected into the pressure-bearing fluid port.

Further, the hydrogen port is provided with a pressure nozzle.

The invention also provides a control method adopting the dual-chamber soft-bag hydrogen storage bottle, which comprises the following steps:

and (3) a storage process: hydrogen is stored in the flexible separating bag through the hydrogen port, and pressure-bearing fluid is stored in a cavity between the flexible separating bag and the hydrogen storage bottle main body through the pressure-bearing fluid port;

and (3) a release process: hydrogen is released through the hydrogen port, and pressure-bearing fluid is input through the pressure-bearing fluid port according to the hydrogen release amount in the hydrogen release process so as to keep the pressure in the bottle stable.

The invention also provides a control method adopting the dual-chamber soft-bag hydrogen storage bottle, which comprises the following steps:

and (3) a storage process: hydrogen is stored in the flexible isolating bag through the hydrogen port, and pressure-bearing fluid is stored in a cavity between the flexible isolating bag and the hydrogen storage bottle main body through the pressure-bearing fluid port driven by the fluid transmission pump;

and (3) a release process: the pressure-bearing fluid is input into the first cavity through the pressure-bearing fluid port by the driving of the fluid transmission pump, and the hydrogen is released by the pressure nozzle.

Compared with the prior art, the invention has the following advantages:

(1) the double-chamber soft-bag hydrogen storage bottle divides the rigid hydrogen storage bottle main body into two parts which are mutually isolated through the soft separating bag, one part is used for storing hydrogen, the other part is used for storing pressure-bearing fluid, and high-pressure-bearing fluid is input into the pressure-bearing fluid inlet of the other part in the hydrogen storage bottle hydrogen releasing process so as to keep the output hydrogen at higher pressure, thereby avoiding the temperature change caused by the pressure change in the hydrogen pressure releasing process and the energy consumption generated by the temperature change; and improves the hydrogen transfer rate and the transport efficiency.

(2) The gas port and the pressure-bearing fluid port are respectively positioned at two opposite ends in the hydrogen storage bottle main body, and the pressure-bearing fluid extrudes hydrogen from the tail part of the flexible separating bag, thereby being beneficial to stably discharging the hydrogen.

(3) According to the invention, the pressure nozzle can be arranged at the hydrogen port, and the pressure-bearing fluid is input into the first cavity through the pressure-bearing fluid port, so that the hydrogen in the second cavity can be discharged through the pressure nozzle, the pressure in the hydrogen storage bottle main body is favorably maintained to be stable, the hydrogen discharge amount is more accurately controlled, and the use process is safer and more reliable.

Drawings

FIG. 1 is a schematic view of a hydrogen storage cylinder provided in the background of the invention;

FIG. 2 is a schematic diagram of a first structure of a dual chamber flexible bladder hydrogen storage bottle provided in an embodiment of the present invention;

FIG. 3 is a schematic diagram of a second structure of a dual-chamber flexible-bag hydrogen storage bottle provided in an embodiment of the present invention;

in the figure, 1, a hydrogen storage bottle main body, 2, a soft separating bag, 3, a hydrogen port, 4 and a pressure-bearing fluid port.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements 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.

It should be noted that the terms "first" and "second" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Example 1

Referring to fig. 2 or fig. 3, the present embodiment provides a dual-chamber soft-bag hydrogen storage bottle, which includes a hydrogen storage bottle main body 1, the hydrogen storage bottle main body 1 is provided with a hydrogen port 3 and a pressure-bearing fluid port 4, the dual-chamber soft-bag hydrogen storage bottle further includes a soft separation bag 2, the soft separation bag 2 is located inside the hydrogen storage bottle main body 1, one end of the soft separation bag 2 is open, and an open end of the soft separation bag surrounds the hydrogen port 3 and is hermetically connected to the hydrogen storage bottle main body 1.

The soft separating bag 2 is connected with the hydrogen storage bottle main body 1 in an adhering, clamping or welding way. The soft separating bag 2 is a deformable bag-shaped structure and can be made of elastic and air-tight materials such as rubber, silica gel and the like.

When in use, hydrogen is stored in the flexible isolating bag 2 through the hydrogen port 3, and pressure-bearing fluid is stored in a cavity between the flexible isolating bag 2 and the hydrogen storage bottle main body 1 through the pressure-bearing fluid port 4; the pressure-bearing fluid can be compressed air, compressed nitrogen, liquid water, oil and the like.

The hydrogen is released through the hydrogen port 3, and in the hydrogen releasing process, pressure-bearing fluid is input through the pressure-bearing fluid port 4 so that the output hydrogen keeps higher pressure, thereby avoiding the temperature change caused by pressure change in the hydrogen pressure releasing process, and the energy consumption generated by the temperature change, and improving the hydrogen transfer speed and the transportation efficiency.

The following explains the use state of the dual-chamber soft-bag hydrogen storage bottle in this embodiment, a first cavity is formed between the soft separating bag 2 and the hydrogen storage bottle main body 1, pressure-bearing fluid is stored in the first cavity, and the pressure-bearing fluid port 4 is communicated with the first cavity.

The soft separating bag 2 is internally provided with a second cavity, hydrogen is stored in the second cavity, and the hydrogen port 3 is communicated with the second cavity.

The pressure-bearing fluid port 4 may be provided at the side and end of the hydrogen storage cylinder main body 1, in order to compress the hydrogen gas in the second chamber more stably, as shown in fig. 3, as a preferred embodiment, the hydrogen gas port 3 and the pressure-bearing fluid port 4 are respectively located at two opposite ends of the hydrogen storage cylinder main body 1, and the pressure-bearing fluid presses the hydrogen gas from the tail of the flexible diaphragm 2, which is beneficial to stably discharging the hydrogen gas.

In order to provide a hydrogen supply structure based on the dual-chamber soft-bag hydrogen storage bottle of the embodiment, as a preferred implementation mode, the pressurized fluid port 4 is connected with a pressurized fluid conveying structure, the pressurized fluid conveying structure comprises a pressurized fluid storage cavity, a fluid conveying pump and a fluid conveying pipeline, and the pressurized fluid storage cavity is connected with the fluid conveying pump through the fluid conveying pipeline and is connected into the pressurized fluid port 4.

When the hydrogen storage device is used, after hydrogen and pressure-bearing fluid are stored, in the process of releasing hydrogen from the hydrogen port 3, the pressure-bearing fluid is input into the first cavity through the pressure-bearing fluid port 4 by driving of the fluid transmission pump so as to keep the pressure in the bottle stable.

Further, as a preferred embodiment, the hydrogen port 3 is equipped with a pressure jet.

During the use, after hydrogen and pressure-bearing fluid storage, through the drive of fluid transfer pump, pressure-bearing fluid is imported to first cavity through pressure-bearing fluid mouth 4, and pressure-bearing fluid pressure is constantly grow in the first cavity, compresses the hydrogen in the soft capsule 2 that separates, reaches the release pressure of pressure spout for hydrogen releases. This scheme need not to drive according to hydrogen release volume fluid transfer pump to can keep the bottle internal pressure stable, the control accuracy is higher, safe and reliable more.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.