CN112240483A - Gas station for providing compressed air to gas storage device and control method thereof - Google Patents
Gas station for providing compressed air to gas storage device and control method thereof Download PDFInfo
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- CN112240483A CN112240483A CN202010973162.9A CN202010973162A CN112240483A CN 112240483 A CN112240483 A CN 112240483A CN 202010973162 A CN202010973162 A CN 202010973162A CN 112240483 A CN112240483 A CN 112240483A
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- Prior art keywords
- pressure
- air
- gas
- air compressor
- power supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/035—High pressure (>10 bar)
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a gas station for providing compressed air for a gas storage device, which comprises: a high-pressure gas cylinder (10); an air compressor (21) for charging the high-pressure gas cylinder (10) with compressed air; the first pipeline (11) is connected between the high-pressure gas cylinder (10) and the air compressor (21), and the first pipeline (11) comprises a gas inlet connected with the air compressor (21) and a gas outlet used for filling gas into the pneumatic device; an air inlet switch (12) arranged at the air inlet; and the first pressure reducing valve (13) and the air outlet switch (14) are sequentially arranged on the air outlet. The invention further provides a control method of the gas station.
Description
Technical Field
The present invention relates to a gas station for supplying compressed air to a gas storage device and a control method thereof.
Background
In recent years, with rapid development of the automobile industry, the energy problem is increasing. In the face of the increasing expansion of the automobile market and the relative scarcity of crude oil resources, the automobile industry faces the two difficulties of sustainable development. In order to solve the above problems, foreign air powered vehicle technology is being developed at an accelerated speed, and it is reported that: an aerodynamic car Airpod is shown in the international van of geneva, switzerland by french MDI, 3 months 2012. In the same 3 months, new versions of Air-powered vehicles are being tested by Schipolairport, amsterdam, who is receiving french airline, the royal airline of the netherlands (Air France KLM), which will replace the large service electric fleet in the future. The air-powered automobile technology in China also has certain development, for example, CN201821334092.7 discloses a pneumatic automobile, and through being connected to running gear with the gas power device, the moment of torsion is big, and the rotational speed is high, and the transmission efficiency is high, and the energy consumption is low, and environment-friendly, and the emission is the gas after the decompression, and noise at work is low, and no tail gas pollution.
However, with the development of pneumatic automobiles, the inflation station of the pneumatic automobile is bound to become the key point of the development of the automobile industry and the energy industry. The inflation station of the pneumatic automobile can better solve the problem of quick inflation, save energy and reduce emission, however, relevant reports of the inflation station of the pneumatic automobile are not found in the prior art.
Disclosure of Invention
The invention provides a gas station for providing compressed air for a gas storage device and a control method thereof, which can effectively solve the problems.
The invention is realized by the following steps:
a gas station for providing compressed air to a gas storage device, comprising:
a high pressure gas cylinder;
the air compressor is used for filling compressed air into the high-pressure air bottle;
the pipeline is connected between the high-pressure gas cylinder and the air compressor and comprises a gas inlet connected with the air compressor and a gas outlet used for aerating the pneumatic device;
the air inlet switch is arranged at the air inlet;
the first pressure reducing valve and the air outlet switch are sequentially arranged on the air outlet.
As a further improvement, the gas station comprises a plurality of high-pressure gas cylinders, which are connected in series or in parallel in the pipeline.
As a further improvement, the gas station further comprises a pressure sensor disposed in the pipeline.
As a further improvement, the gas station further comprises a power supply unit for supplying power to the air compressor, wherein the power supply unit comprises a commercial power supply module, an energy storage module, a solar module and/or a wind power generation module.
The invention further provides a control method of the gas station, which comprises the following steps:
acquiring the air pressure of the high-pressure air bottle;
and when judging whether the air pressure of the high-pressure air bottle is lower than a first threshold value, controlling the air compressor to charge compressed air into the high-pressure air bottle.
As a further improvement, the gas station further comprises a power supply unit, wherein the power supply unit comprises a commercial power supply module and an energy storage module; and the step of controlling the air compressor to charge compressed air into the high-pressure air cylinder comprises:
judging whether the electricity price is low valley electricity price, if so, directly supplying power to the air compressor and the energy storage module through the commercial power supply module; and if not, the energy storage module supplies power to the air compressor.
As a further improvement, the first threshold is defined as a, and the maximum pressure limit of the gas storage pipe in the pneumatic device is defined as B, where a is greater than B.
The invention further provides a control method of the gas station, which comprises the following steps:
acquiring a first air pressure of the high-pressure air bottle before the high-pressure air bottle is inflated outwards;
acquiring a second air pressure of the high-pressure air bottle after the high-pressure air bottle is inflated outwards;
and charging according to the first air pressure, the second air pressure and the volume of the high-pressure air bottle.
The invention has the beneficial effects that: firstly, the gas station for providing compressed air for the gas storage device can solve the problem of inflation of a pneumatic automobile, and saves energy and reduces emission; secondly, the gas is compressed in the high-pressure gas cylinder through an air compressor, and then the gas is added to the pneumatic device through the high-pressure gas cylinder, so that the problem of quick gas filling is solved, and the gas filling time can be shortened to a few minutes; thirdly, the arrangement of the first pressure reducing valve can prevent the gas in the high-pressure gas cylinder from directly impacting the pneumatic device, so that the risk is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a pneumatic system provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a power supply unit in a gas station in a pneumatic system according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method for controlling a gas station in a pneumatic system according to an embodiment of the present invention;
FIG. 4 is a flow chart of a method for controlling a gas station in a pneumatic system according to another embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a gas storage pipe unit in a pneumatic system according to an embodiment of the present invention;
FIG. 6 is a flow chart of a method of controlling a pneumatic system according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any 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 invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, an embodiment of the present invention provides a pneumatic system including a gas station (not numbered) for supplying compressed air to the pneumatic system and a pneumatic system (not numbered).
The gas station includes:
a high-pressure gas cylinder 10;
an air compressor 21 for charging the high-pressure gas cylinder 10 with compressed air;
the first pipeline 11 is connected between the high-pressure gas cylinder 10 and the air compressor 21, and the first pipeline 11 comprises a gas inlet connected with the air compressor 21 and a gas outlet used for filling gas into the pneumatic system;
an intake switch 12 provided at the intake port;
and a first pressure reducing valve 13 and an air outlet switch 14 which are sequentially arranged at the air outlet.
The gas station may comprise a plurality of high pressure gas cylinders 10, and the plurality of high pressure gas cylinders 10 may be connected in series or in parallel in the first pipeline 11. In one of the embodiments, the station comprises three high-pressure gas cylinders 10 connected in parallel in the first line 11. The pressure of the gas in the high pressure gas cylinder 10 is 30MPa to 100MPa, and in one embodiment, the pressure of the gas in the high pressure gas cylinder 10 is about 50 MPa. The volume of the high-pressure gas cylinder 10 is not limited, and can be selected according to actual sites.
The gas station may further include a first pressure sensor disposed in the first pipeline 11 for acquiring a pressure of the first pipeline 11 or the high pressure gas cylinder 10. It is understood that by acquiring the pressure of the first pipeline 11 or the high pressure gas cylinder 10, the usage status of the high pressure gas cylinder 10 can be pre-warned or charged.
The first pressure reducing valve 13 is used to reduce the gas pressure of the high-pressure gas cylinder 10 to a certain value. The pressure of the first pressure reducing valve 13 may be selected according to actual needs, and preferably, the pressure reducing pressure of the first pressure reducing valve 13 is about 20MPa to 50 MPa. In one embodiment, the pressure reduction pressure in the first pressure reduction valve 13 is about 30 MPa. It will be appreciated that damage to the pneumatic system due to excessive pressure can be avoided by the provision of the first pressure reducing valve 13.
Referring to fig. 2, the gas station may further include a power supply unit 20 for supplying power to the air compressor 21, the power supply unit 20 includes a commercial power supply module 201, an energy storage module 202, a solar module 203 and/or a wind power generation module 204, and the power supply unit 20 may further include other clean energy sources, which are not listed in detail herein. The energy storage module 202 may be configured to store electric energy of the commercial power supply module 201, the solar module 203, and the wind power generation module 204, so as to supply power to the air compressor 21 during a high peak electricity price period or a flat peak electricity price period. In addition, the utility power supply module 201 can also store electric energy in the energy storage module 202 or directly supply power to the air compressor during the low price period of electricity, thereby reducing the cost of the gas station to the maximum extent.
Referring to fig. 3, the embodiment of the present invention further provides a control method for a gas station, including the following steps:
s11, acquiring the air pressure of the high-pressure air bottle 10;
s12, when the air pressure of the high pressure gas cylinder 10 is lower than the first threshold value, controlling the air compressor 21 to charge the high pressure gas cylinder 10 with compressed air.
In step S11, the step of obtaining the air pressure of the high-pressure gas cylinder 10 may be obtained in real time by a pressure sensor disposed in the pipeline, and the type of the pressure sensor is not limited, and may be selected according to actual needs, which is not described here again.
In step S12, the step of controlling the air compressor 21 to charge the compressed air into the high-pressure air bottle 10 is specifically as follows:
judging whether the electricity price is low valley electricity price, if so, directly supplying power to the air compressor 21 and the energy storage module 202 through the commercial power supply module 201; otherwise, the energy storage module 202 supplies power to the air compressor 21, so that the cost of the gas station is reduced to the maximum extent.
As a further improvement, the first threshold value is defined as a, and the maximum pressure limit of the gas storage pipe in the pneumatic system is defined as B. It will be appreciated that when the first threshold value a is lower than the maximum limit pressure B of the gas storage lines in the pneumatic system, it is difficult to fully inflate the vehicle, and therefore it is desirable to have a greater than B. Preferably, 1.1 ≧ B ≧ a ≧ 1.05 ≧ B, so that the high-pressure gas cylinder 10 can carry out quick, saturated inflation on the gas storage pipeline in the pneumatic system.
Referring to fig. 4, the embodiment of the present invention further provides a control method for a gas station, including the following steps:
s21, acquiring a first air pressure of the high-pressure air bottle 10 before external inflation;
s22, acquiring a second air pressure of the high-pressure air bottle 10 after external inflation;
and S23, charging according to the first air pressure, the second air pressure and the volume of the high-pressure air bottle 10.
The pneumatic system can be a pneumatic automobile, a pneumatic moped, a sightseeing vehicle, or other pneumatic vehicles, pneumatic ships, pneumatic airplanes or pneumatic systems which use compressed air as power. In this embodiment, the pneumatic system is a pneumatic automobile.
The pneumatic system comprises:
an air storage pipe unit 15 including a plurality of air storage pipes 152, and an air inlet 153 and an air outlet 154 communicating with the air storage pipes 152;
a pneumatic motor (not shown);
a second pipe 18 having one end connected to the air outlet 154 and the other end connected to the air pressure motor;
a check valve 17 in communication with the gas inlet 153; and
a valve 16 and a second pressure reducing valve 19 arranged in series in the second line 18.
Referring to fig. 5, the gas storage pipe unit 15 further includes a base 151. The air inlet 153 and the air outlet 154 are both arranged on the base 151, a plurality of grooves for fixing the air storage pipeline 152 are formed in the surface of the base 151, and the grooves are both communicated with the air inlet 153 and the air outlet 154. The grooves are arranged in a matrix form, so that the gas storage pipes 152 are arranged on the surface of the base 151 in a matrix form. On the one hand, to make the gas storage pipes 152 have a large gas storage space (in a unit volume), and on the other hand, to make the gas storage pipes 152 have a good heat absorption effect. It is necessary to control the pipe diameter of the gas storage pipe 152 and the interval between the gas storage pipes 152. The distance between the grooves (the distance between the gas storage pipes 152) is defined as H, the pipe diameter of the gas storage pipes (152) is R, and preferably, the ratio of R to H is 5-50: 1. More preferably, the ratio of R to H is 20-30: 1. In one embodiment, the distance H between the grooves (the distance between the air storage pipes 152) is 1mm, and the pipe diameter R of the air storage pipe (152) is 25mm, so that the air in the air storage pipe unit 15 is expanded isothermally when entering the air pressure engine, thereby improving the efficiency of the air pressure engine. The use of the gas storage pipe unit 15 can significantly improve efficiency compared to the direct use of a gas storage cylinder. In other embodiments, a plurality of air storage pipe units 15 may be provided, and each air storage pipe unit 15 has a check valve 17 and a valve 16 correspondingly provided.
In this embodiment, since the pneumatic system is a pneumatic automobile, the position of the gas storage pipe unit 15 is not limited, and the gas storage pipe unit may be disposed in a chassis or a trunk of the pneumatic automobile, or may be used as a body of the pneumatic automobile, or in other positions.
The pneumatic engine can refer to CN201810944581.2, CN201821334092.7, CN201710458557.3 or other types of pneumatic engines, which will not be described in detail herein; the disclosures in CN201810944581.2, CN201821334092.7 and CN201710458557.3 are also included in the scope of the present invention.
The second pressure reducing valve 19 is used for reducing the gas pressure of the gas storage pipe 152 to a certain value. The pressure of the second pressure reducing valve 19 needs to be selected according to different powers. In this embodiment, the pneumatic system is a pneumatic automobile, and in order to enable the pneumatic automobile to have both sufficient power and long endurance, the pressure reduction pressure of the second pressure reduction valve 19 is preferably about 1MPa to 5 MPa. In one embodiment, the pressure reduction pressure in the second pressure reduction valve 19 is about 2 MPa.
As a further improvement, the pneumatic system may further include a second pressure sensor (not shown) disposed in the second pipeline 18 for acquiring the pressure of the second pipeline 18 or the gas storage pipeline unit 15. It can be understood that by acquiring the pressure of the second pipeline 18 or the gas storage pipeline unit 15, the usage state of the gas storage pipeline unit 15 can be pre-warned, etc.
Referring to fig. 6, an embodiment of the present invention further provides a control method of the pneumatic system, including the following steps:
s31, acquiring the air pressure of the air storage pipe unit 15;
and S32, when the air pressure of the air storage pipeline unit 15 is lower than a second threshold value, giving an early warning to the user.
In step S31, the step of obtaining the air pressure of the air storage pipe unit 15 may be obtained in real time by a second pressure sensor disposed in the pipe, and the type of the second pressure sensor is not limited, and may be selected according to actual needs, which is not described here again.
In step S32, when the air pressure of the air storage pipe unit 15 is lower than the second threshold, it indicates that the vehicle needs to be inflated, and further prompts the user to perform an air inflation process in time.
As a further improvement, the control method of the pneumatic system further comprises the following steps:
s33, when the rate of decrease of the air pressure of the air storage pipe unit 15 exceeds a third threshold, a warning is given to the user. It is understood that when the rate of decrease of the air pressure of the air storage pipe unit 15 exceeds the third threshold value, it may be judged that there is a rupture or a failure in the air storage pipe unit 15 or the second pipeline 18, thereby giving an early warning to the user.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A gas station for providing compressed air to a gas storage device, comprising:
a high-pressure gas cylinder (10);
an air compressor (21) for charging the high-pressure gas cylinder (10) with compressed air;
the first pipeline (11) is connected between the high-pressure gas cylinder (10) and the air compressor (21), and the first pipeline (11) comprises a gas inlet connected with the air compressor (21) and a gas outlet used for filling gas into the pneumatic device;
an air inlet switch (12) arranged at the air inlet;
the first pressure reducing valve (13) and the air outlet switch (14) are sequentially arranged on the air outlet, and the pressure reducing pressure of the first pressure reducing valve (13) is 20-50 MPa.
2. A station according to claim 1, characterized in that it comprises a plurality of high-pressure cylinders (10), said plurality of high-pressure cylinders (10) being connected in series or in parallel in said first conduit (11).
3. A station according to claim 1, characterized in that it further comprises a pressure sensor arranged in said first conduit (11).
4. Gas station according to claim 3, characterized in that it further comprises a power supply unit for supplying said air compressor (21), said power supply unit comprising a mains supply module, an energy storage module, a solar module and/or a wind power generation module.
5. A control method of a gas station according to claim 1, characterized by comprising the steps of:
acquiring the air pressure of the high-pressure air bottle (10);
and when judging whether the air pressure of the high-pressure air bottle (10) is lower than a first threshold value, controlling the air compressor (21) to charge compressed air into the high-pressure air bottle (10).
6. A control method for a gas station according to claim 5, characterized in that the gas station further comprises a power supply unit, the power supply unit comprises a mains power supply module and an energy storage module; and the step of controlling the air compressor (21) to charge the high-pressure gas cylinder (10) with compressed air comprises:
judging whether the electricity price is low valley electricity price, if so, directly supplying power to the air compressor (21) and the energy storage module through the commercial power supply module; and if not, the energy storage module supplies power to the air compressor (21).
7. A method for controlling a filling station according to claim 5, characterised in that said first threshold value is defined as A and the maximum pressure limit of the gas storage tubes in said pneumatic device is defined as B, where A is greater than B.
8. A control method of a gas station according to claim 1, characterized by comprising the steps of:
acquiring a first air pressure of the high-pressure air bottle (10) before external inflation;
acquiring a second air pressure of the externally inflated high-pressure air bottle (10);
and charging according to the first air pressure, the second air pressure and the volume of the high-pressure air bottle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973162.9A CN112240483A (en) | 2020-09-16 | 2020-09-16 | Gas station for providing compressed air to gas storage device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973162.9A CN112240483A (en) | 2020-09-16 | 2020-09-16 | Gas station for providing compressed air to gas storage device and control method thereof |
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| Publication Number | Publication Date |
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| CN112240483A true CN112240483A (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010973162.9A Pending CN112240483A (en) | 2020-09-16 | 2020-09-16 | Gas station for providing compressed air to gas storage device and control method thereof |
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2020
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| CN1589172A (en) * | 2001-10-16 | 2005-03-02 | Hera美国公司 | Fuel gauge for hydrogen storage device |
| CN103452590A (en) * | 2012-06-05 | 2013-12-18 | 周登荣 | Operating control method of aerodynamic engine |
| US20160334061A1 (en) * | 2013-12-20 | 2016-11-17 | Draeger Safety Canada Limited | Remote activation system for a breathing apparatus filling station |
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