CN202708584U - Gas filling system of fuel gas vehicle - Google Patents
Gas filling system of fuel gas vehicle Download PDFInfo
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- CN202708584U CN202708584U CN 201220385701 CN201220385701U CN202708584U CN 202708584 U CN202708584 U CN 202708584U CN 201220385701 CN201220385701 CN 201220385701 CN 201220385701 U CN201220385701 U CN 201220385701U CN 202708584 U CN202708584 U CN 202708584U
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- pneumatic tube
- valve
- pipeline
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Abstract
The utility model relates to a gas filling system of a fuel gas vehicle. The gas filling system comprises an air source and a three-way gas filling device. An air outlet pipe of the air source is connected with a low-pressure gas conveying pipe and a compression gas supply pipe. The low-pressure gas conveying pipe is communicated with a low-pressure connector of the three-way gas filling device. The other end of the compression gas supply pipe is connected with a compression cylinder. A compressed gas pipe is connected with a medium-pressure gas conveying pipe and a high-pressure gas conveying pipe. The medium-pressure gas conveying pipe and the high-pressure gas conveying pipe are respectively connected with a medium-pressure connector and a high-pressure connector of the three-way gas filling device. An inlet pressure sensor and an inlet valve are arranged on the compression gas supply pipe. The medium-pressure gas conveying pipe is provided with a medium-pressure outlet valve and a medium-pressure pressure sensor. The high-pressure gas conveying pipe is provided with a high-pressure outlet valve and a high-pressure pressure sensor. All the pressure sensors are in electrical connection with a controller which controls on-off states of the compression cylinder and all the valves. According to the gas filling system, low-pressure gas filling, medium-pressure gas filling and high-pressure gas filling can be completed through the valves and the pressure sensors arranged on the pipes, the structure is simple, design is ingenious, gas filling efficiency is high, and cost is low.
Description
Technical field
The utility model relates to a kind of fuel gas vehicle refueling system.
Background technique
Fuel gas vehicle is as a kind of new energy vehicle, popularizes gradually, and the quantity of gas station also increases thereupon, yet that the 26S Proteasome Structure and Function of vehicle refueling system awaits is perfect.Existing vehicle refueling system has generally comprised source of the gas, compressor, priority control panel, three kinds of air cylinders of high, medium and low voltage, three line filling machines, combustion gas in the source of the gas is compressed through compressor, combustion gas after the compression is assigned in three kinds of gas holder of high, medium and low voltage according to gas pressure by the priority control panel, at last by with the tank connected three line filling machines of the gas storage of three kinds of pressure vehicle being carried out aerating with bottle.The shortcoming of existing refueling system is: 1) need to carry out pressure judgement and distribution by the priority control panel, pipeline and control wiring are complicated, so that the whole system control procedure is very loaded down with trivial details, it is higher with maintenance cost to build a station; 2) the vehicle aerating needs by compressor gas to be compressed first, then via the priority control panel gas is dispensed to the air cylinder of three kinds of pressure, by air cylinder vehicle is carried out aerating more at last, on the one hand, by the process of compression-distribution-storage tank-aerating, aerating speed is slower, efficient is lower, on the other hand, compressor needs constantly in running order, and power consumption is serious.
The model utility content
The technical problems to be solved in the utility model provides a kind of fuel gas vehicle refueling system, and this system finishes control to the high, medium and low voltage aerating by valve and pressure transducer, and is simple in structure, easy to operate, and aerating efficient is high and with low cost.
For solving the problems of the technologies described above, fuel gas vehicle refueling system of the present utility model comprises source of the gas and three line filling machines, its structural feature is to be connected with low pressure pneumatic tube and compression air supply pipe on the steam outlet pipe of described source of the gas, and the low pressure pneumatic tube is connected on the low-voltage interface of three line filling machines; This system also comprises compression cylinder, and the suction tude of compression cylinder is connected, is connected with middle pressure pneumatic tube and high pressure gas pipeline on the steam outlet pipe with the compression air supply pipe, and middle pressure pneumatic tube and high pressure gas pipeline are connected on the middle crimping mouth and high voltage interface of three line filling machines; Be provided with successively inlet pressure transducer and inlet valve along the air feed direction on the described compression air supply pipe; Be provided with successively middle pressure outlet valve and middle pressure pressure sensor along the gas transmission direction on the described middle pressure pneumatic tube; Be provided with successively high-pressure outlet valve and high-pressure sensor along the gas transmission direction on the described high pressure gas pipeline; The signal output part of above-mentioned each pressure transducer all is electrically connected on the controller, and this controller is electrically connected with compression cylinder and above-mentioned each valve.
Pipeline on the described compression air supply pipe before inlet pressure transducer is provided with one-way valve, pipeline on the middle pressure pneumatic tube after middle pressure pressure sensor is connected with the bottle group, be connected with intervalve between compression air supply pipe and the middle pressure pneumatic tube, the joint of middle pressure pneumatic tube and intervalve is on the pipeline between middle pressure pressure sensor and the bottle group, the joint of compression air supply pipe and intervalve is on the pipeline between inlet pressure transducer and the one-way valve, intervalve is provided with equilibrium valve, and the control end of equilibrium valve is connected electrically on the described controller.
Described source of the gas is the fuel tank tank car.
The beneficial effects of the utility model are: source of the gas at first directly passes through the low pressure pneumatic tube to the vehicle aerating, when inlet pressure transducer monitors pressure arrival low pressure CLV ceiling limit value, controller control is opened compression cylinder and is closed the low pressure air delivering pipeline, then press gas transmission in opening, in the middle of the pressure pressure sensor detect pressure and press in reaching in limited time, controller control is closed middle pressure air delivering pipeline and is opened the high pressure gas pipeline road, when the high-pressure Sensor monitoring to force value reach vehicle with bottle fill it up with force value the time, control is closed whole refueling system and is finished aerating; Only by being set at pipeline, pressure transducer and valve can finish control to the basic, normal, high pressure aerating process of vehicle, substituted the gas holder of original priority control panel and three kinds of pressure, system architecture and operating process have been simplified, saved the cost of building a station, and can open compression cylinder during the low pressure aerating, save power consumption; Arranging of bottle group can be crossed low or not have in the situation of source of the gas at bleed pressure, use as interim source of the gas, at this moment, the bottle group is at first carried out aerating by middle pressure pneumatic tube to vehicle, in reaching, pressure presses in limited time, equilibrium valve is opened in controller control, inlet valve, compression cylinder, the high-pressure outlet valve is reduced to high pressure by compression cylinder with gas pressure, continues vehicle is carried out aerating, interim gas storage by the bottle group, solved that source of the gas is changed or bleed pressure is crossed aerating difficult problem when low, in addition, when source of the gas is arranged, also can use the bottle group to carry out middle pressure aerating, can not start compression cylinder and can carry out middle pressure aerating, further reduce the startup frequency of compression cylinder, save energy consumption; Source of the gas uses the fuel tank tank car of transportation usefulness, and the source of the gas position can conveniently move and can change, and has strengthened mobility and the flexibility of system.The utility model is finished basic, normal, high pressure aerating by valve and pressure transducer are set at pipeline, and is simple in structure, deft design, and aerating efficient is high and with low cost.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is principle schematic of the present utility model;
Embodiment
With reference to Fig. 1, a kind of mode of execution of fuel gas vehicle refueling system of the present utility model is for comprising source of the gas 1 and three line filling machines 2, be connected with low pressure pneumatic tube 3 and compression air supply pipe 4 by threeway on the steam outlet pipe of source of the gas 1, low pressure pneumatic tube 3 is connected on the low-voltage interface of three line filling machines 2.This system also comprises compression cylinder 5, the suction tude of compression cylinder 5 is connected with compression air supply pipe 4, be connected with middle pressure pneumatic tube 7 and high pressure gas pipeline 8 by threeway on the steam outlet pipe of compression cylinder, wherein, as shown in the figure, also be serially connected with buffer 6 on the steam outlet pipe of compression cylinder 5, buffer 6 plays the effect of compensator or trimmer pressure, gas-liquid separation, increase the security of system performance, buffer 6 is passed through first in giving vent to anger of compression cylinder 5, be branched off into middle pressure pneumatic tube 7 and high pressure gas pipeline 8, middle pressure pneumatic tube 7 and high pressure gas pipeline 8 are connected on the middle crimping mouth and high voltage interface of three line filling machines 5 again.Be provided with successively inlet pressure transducer 42 and inlet valve 41 along the air feed direction on the compression air supply pipe 4.Be provided with successively middle pressure outlet valve 71 and middle pressure pressure sensor 72 along the gas transmission direction on the middle pressure pneumatic tube 7.Be provided with successively high-pressure outlet valve 81 and high-pressure sensor 82 along the gas transmission direction on the high pressure gas pipeline 8.The signal output part of above-mentioned each pressure transducer all is electrically connected on the controller, and this controller is electrically connected with compression cylinder 5 and above-mentioned each valve.Wherein, above-mentioned various valves are electric control valve, and are one-way valve, and in addition, the pressure set points of middle pressure outlet valve 72 is less than high-pressure outlet valve 81, and the pressure set points of inlet valve 41 is less than middle pressure outlet valve 71.Controller does not illustrate in the drawings, controller can receive the signal of each pressure transducer, and according to pressure signal control each valve opening and closing and control compression cylinder 5 working state, in addition, controller also can control three line filling machines 2 basic, normal, high crimping mouth on off operating mode so that control the on off operating mode of the air delivering pipeline of three kinds of pressure.During aerating, at first by bottle 10 aeratings of 3 pairs of vehicles of low pressure pneumatic tube, when inlet pressure transducer 42 monitors pressure arrival low pressure CLV ceiling limit value, controller control is opened compression cylinder 5 and is closed the low pressure gas transmission, then press gas transmission in opening, in the middle of pressure pressure sensor 72 detect pressure and press in reaching in limited time, controller control is closed middle pressure gas transmission and is opened the high pressure gas transmission, when high-pressure sensor 82 monitor force value reach vehicle with bottle 10 fill it up with force value the time, control is closed whole refueling system and is finished aerating.
With reference to Fig. 1, as a kind of improvement of the present utility model, pipeline on the compression air supply pipe 4 before inlet pressure transducer 42 is provided with one-way valve 43, pipeline on the middle pressure pneumatic tube 7 after middle pressure pressure sensor 72 is connected with bottle group 9, be connected with intervalve 47 between compression air supply pipe 4 and the middle pressure pneumatic tube 7, the joint of middle pressure pneumatic tube 7 and intervalve 47 is on the pipeline between middle pressure pressure sensor 72 and the bottle group 9, the joint of compression air supply pipe 4 and intervalve 47 is on the pipeline between inlet pressure transducer 42 and the one-way valve 43, intervalve 47 is provided with equilibrium valve 471, and the control end of equilibrium valve 471 is connected electrically on the controller.In the situation that source of the gas 1 is arranged, bottle group 9 can be used as middle pressure gas transmission, so that can be without compression cylinder 5 during middle pressure gas transmission, reduce the frequency of utilization of compression cylinder 5, at this moment, bottle group 9 is carried out aerating by 7 pairs of vehicles of middle pressure pneumatic tube, initial pressure in the bottle group 9 is 25Mpa, vehicle is 20MPa with the standard pressure value of filling it up with of bottle 10, when the pressure decreased of bottle group 9 to and vehicle when equating with the pressure of bottle 10, press gas transmission in cutting off this moment, opens inlet valve 41 and compression cylinder 5, and open the high pressure gas transmission and carry out the high pressure aerating.In source of the gas 1 hypotony or do not have in the situation of source of the gas 1, bottle group 9 is used as interim source of the gas, at this moment, bottle group 9 is at first carried out aerating by 7 pairs of vehicles of middle pressure pneumatic tube, presses in pressure reaches in limited time, and controller is pressed gas transmission in cutting off, open equilibrium valve 471, inlet valve 41, compression cylinder 5, high-pressure outlet valve 81, by compression cylinder 5 gas pressure is reduced to high pressure, continues vehicle is carried out aerating, the one-way valve 43 of this moment plays the effect that prevents gas backstreaming.
Wherein, above-mentioned source of the gas 1 can be the combustion gas in the gas transmission networking, also can be for the gas tank in the gas station etc., and wherein preferred, source of the gas 1 be the fuel tank tank car, employing fuel tank tank car can move easily and change as source of the gas 1, increases mobility and flexibility.
In sum, the utility model is not limited to above-mentioned embodiment.Those skilled in the art under the prerequisite that does not break away from spirit and scope of the present utility model, can do some changes and modification.Protection domain of the present utility model should be as the criterion with claim of the present utility model.
Claims (3)
1. fuel gas vehicle refueling system, comprise source of the gas (1) and three line filling machines (2), it is characterized in that being connected with on the steam outlet pipe of described source of the gas (1) low pressure pneumatic tube (3) and compression air supply pipe (4), low pressure pneumatic tube (3) is connected on the low-voltage interface of three line filling machines (2); This system also comprises compression cylinder (5), the suction tude of compression cylinder (5) is connected with compression air supply pipe (4), is connected with middle pressure pneumatic tube (7) and high pressure gas pipeline (8) on the steam outlet pipe, and middle pressure pneumatic tube (7) and high pressure gas pipeline (8) are connected on the middle crimping mouth and high voltage interface of three line filling machines (2); Described compression air supply pipe (4) is upper to be provided with inlet pressure transducer (42) and inlet valve (41) successively along the air feed direction; Described middle pressure pneumatic tube (7) is upper to be provided with middle pressure outlet valve (71) and middle pressure pressure sensor (72) successively along the gas transmission direction; Described high pressure gas pipeline (8) is upper to be provided with high-pressure outlet valve (81) and high-pressure sensor (82) successively along the gas transmission direction; The signal output part of above-mentioned each pressure transducer all is electrically connected on the controller, and this controller is electrically connected with compression cylinder (5) and above-mentioned each valve.
2. fuel gas vehicle refueling system as claimed in claim 1, it is characterized in that described compression air supply pipe (4) upward is provided with one-way valve (43) at inlet pressure transducer (42) pipeline before, middle pressure pneumatic tube (7) is upper to be connected with bottle group (9) at middle pressure pressure sensor (72) pipeline afterwards, be connected with intervalve (47) between compression air supply pipe (4) and the middle pressure pneumatic tube (7), the joint of middle pressure pneumatic tube (7) and intervalve (47) is arranged on the pipeline between pressure pressure sensor (72) and the bottle group (9), the joint of compression air supply pipe (4) and intervalve (47) is positioned on the pipeline between inlet pressure transducer (42) and the one-way valve (43), intervalve (47) is provided with equilibrium valve (471), and the control end of equilibrium valve (471) is connected electrically on the described controller.
3. fuel gas vehicle refueling system as claimed in claim 1 or 2 is characterized in that described source of the gas (1) is the fuel tank tank car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220385701 CN202708584U (en) | 2012-08-06 | 2012-08-06 | Gas filling system of fuel gas vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220385701 CN202708584U (en) | 2012-08-06 | 2012-08-06 | Gas filling system of fuel gas vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202708584U true CN202708584U (en) | 2013-01-30 |
Family
ID=47588886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220385701 Expired - Fee Related CN202708584U (en) | 2012-08-06 | 2012-08-06 | Gas filling system of fuel gas vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202708584U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148349A (en) * | 2013-03-25 | 2013-06-12 | 重庆爱尔机电有限公司 | Parallel type autoinflation sequence control panel special for substation |
| CN106287220A (en) * | 2015-05-29 | 2017-01-04 | 安瑞科(蚌埠)压缩机有限公司 | The control method of sequential control dish and the sequential control dish of gas station in gas station |
| CN112594552A (en) * | 2021-03-03 | 2021-04-02 | 河南氢枫能源技术有限公司 | Hydrogen utilization system and method for hydrogen storage cylinder set of hydrogen filling station |
-
2012
- 2012-08-06 CN CN 201220385701 patent/CN202708584U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148349A (en) * | 2013-03-25 | 2013-06-12 | 重庆爱尔机电有限公司 | Parallel type autoinflation sequence control panel special for substation |
| CN106287220A (en) * | 2015-05-29 | 2017-01-04 | 安瑞科(蚌埠)压缩机有限公司 | The control method of sequential control dish and the sequential control dish of gas station in gas station |
| CN112594552A (en) * | 2021-03-03 | 2021-04-02 | 河南氢枫能源技术有限公司 | Hydrogen utilization system and method for hydrogen storage cylinder set of hydrogen filling station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20190806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |