CN204901323U - CNG adds mechanism of qi - Google Patents
CNG adds mechanism of qi Download PDFInfo
- Publication number
- CN204901323U CN204901323U CN201520435266.9U CN201520435266U CN204901323U CN 204901323 U CN204901323 U CN 204901323U CN 201520435266 U CN201520435266 U CN 201520435266U CN 204901323 U CN204901323 U CN 204901323U
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- outlet
- export
- air
- cng
- gas holder
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Abstract
The utility model discloses a CNG adds mechanism of qi, which comprises a housin, housing face is equipped with the display, be equipped with the air gun mounting bracket below the display, the inside tibetan of air gun mounting bracket is equipped with with the air gun, it is connected with the air inlet of casing lateral wall to pass through the hose with the air gun, at the inside gas reflux device that is equipped with of casing, the gas reflux device includes the three -dimensional solenoid valve, the three -dimensional solenoid valve has first export, second export and third export, first export and hose intercommunication, second export and gas holder intercommunication, the third export is connected with outside CNG air inlet, still be equipped with the air pump between gas holder and second export, housing face still is equipped with operating button and pilot lamp, this CNG adds mechanism of qi is simple structure not only, and convenient for operation, low cost, long service lifetime, the liquid natural gas that can add inside air gun and the hose is transferred to in the storage tank, reduce the inside pressure of hose, avoided the hose internal pressure too big and cause the incident.
Description
Technical field
The utility model relates to filling machine, specifically a kind of CNG filling machine.
Background technique
Along with the rise of fuel price, highlight the impact that the energy brings gradually, the development got on the car in present market is very fast, and motor car engine adopts natural gas to be raw material, instead of gasoline, alleviate energy crisis to a certain extent, so greatly facilitate the development of gas station, in gas station, the use amount of CNG filling machine is increasing, in existing fueling process, utilize filling machine, flexible pipe and air filling gun, but after adding gas, inside hose stores a large amount of natural gass, after long-time, along with external temperature is too high, cause liquid natural gas volumetric expansion, easily cause security incident.
Model utility content
Technical problem to be solved in the utility model is; for the shortcoming of above prior art; a kind of CNG filling machine is proposed; not only structure is simple for this CNG filling machine; easy to operate; cost is low; long service life; can the liquid natural gas of air filling gun and inside hose be transferred in storage tank, reduce the pressure of inside hose, avoid inside hose pressure excessive and cause security incident; protection public property and personal safety; and avoid frequently changing flexible pipe and air filling gun, add the working life of equipment, reduce costs.
In order to solve the problems of the technologies described above, the technical solution of the utility model is achieved in the following ways: a kind of CNG filling machine, comprise housing, surface of shell is provided with display device, air gun scaffold is provided with below display device, air gun scaffold inside is hidden and is provided with air filling gun, air filling gun is connected with the suction port of housing sidewall by flexible pipe, gas reflux apparatus is provided with in enclosure interior, gas reflux apparatus comprises three-way solenoid valve, three-way solenoid valve has the first outlet, second outlet and the 3rd outlet, first outlet and soft pipe connection, second outlet is communicated with gas holder, 3rd outlet is connected with outside CNG suction port, also air pump is provided with between gas holder and second export, surface of shell is also provided with operating button and tutorial light.
Like this, not only structure is simple, easy to operate for this CNG filling machine; cost is low; long service life, by arranging gas reflux apparatus, can be recovered in gas holder by the liquid natural gas of inside hose fast; reduce the pressure of inside hose; avoid inside hose pressure excessive and cause security incident, protection public property and personal safety, and avoid frequently changing flexible pipe and air filling gun; add the working life of equipment, reduce costs.
The utility model additionally provides the operating method of CNG filling machine, and the method is carried out according to the following steps:
Step (1): after operator complete motor vehicle aerating, first air filling gun is positioned on air gun scaffold, then 1-3 minute is waited for, press the operation button, when tutorial light becomes red light from amber light, then three-way solenoid valve energising starts action: the first outlet exports conducting with second, the first outlet and the 3rd port closing;
Step (2): then booster air pump, when tutorial light becomes green light from red light, manually air filling gun is opened, now the gas of inside hose is transferred in gas holder by air pump, when the first pressure gauge numerical value is normal pressure, now tutorial light becomes amber light from green light, again presses the operation button, then three-way solenoid valve energising starts action: the first outlet exports conducting with the 3rd, the first outlet and the second port closing;
Step (3): rock gas and air are mixed in gas holder, utilizes the three layer filtration layer in gas holder air-filtering to be fallen, then opens valve, and gas enters into the 3rd outlet by one-way valve and reuses.
The technological scheme that the utility model limits further is:
Aforesaid CNG filling machine, is provided with one-way valve between the 3rd outlet and the CNG suction port of outside, is provided with the first pressure gauge, is provided with the second pressure gauge between gas holder and air pump between the first outlet and flexible pipe.
Aforesaid CNG filling machine, gas holder inside is also provided with three layer filtration layer, gas holder lower end also with the 3rd outlet, and the 3rd outlet with gas holder between be also provided with one-way valve and valve.
The beneficial effects of the utility model are: not only structure is simple for this CNG filling machine and operating method thereof, easy to operate, cost is low, long service life, by arranging gas reflux apparatus, can fast the liquid natural gas of inside hose be recovered in gas holder, reduce the pressure of inside hose, avoid inside hose pressure excessive and cause security incident, protection public property and personal safety;
Meanwhile, the CNG filling machine vibration and interference resistance designed by the utility model, can avoid frequently changing flexible pipe and air filling gun, add the working life of equipment, reduce costs; Arrange one-way valve and avoid refluence phenomenon, substantially increase stiffness K s deflection difference, liquid feeding metering is more accurate, effectively prevents liquid natural gas secondary pollution.
Accompanying drawing explanation
Fig. 1 is plan view of the present utility model;
Fig. 2 is structural representation of the present utility model;
Wherein: 1-housing, 2-display device, 3-air gun scaffold, 4-air filling gun, 5-flexible pipe, 6-three-way solenoid valve, 7-first exports, and 8-second exports, and 9-the 3rd exports, 10-gas holder, 11-air pump, 12-one-way valve, 13-first pressure gauge, 14-second pressure gauge, 15-filter layer, 16-valve, 17-operating button, 18-tutorial light.
Embodiment
Below the utility model is described in further detail:
embodiment 1
The present embodiment provides a kind of CNG filling machine, comprise housing 1, described housing 1 surface is provided with display device 2, air gun scaffold 3 is provided with below described display device 2, described air gun scaffold 3 inside is hidden and is provided with air filling gun 4, described air filling gun 4 is connected with the suction port of housing 1 sidewall by flexible pipe 5, gas reflux apparatus is provided with in described housing 1 inside, described gas reflux apparatus comprises three-way solenoid valve 6, described three-way solenoid valve 6 has the first outlet 7, second outlet 8 and the 3rd outlet 9, described first outlet 7 is communicated with flexible pipe 5, described second outlet 8 is communicated with gas holder 10, described 3rd outlet 9 is connected with outside CNG suction port, air pump 11 is also provided with between described gas holder 10 and second export 8, described housing 1 surface is also provided with operating button 17 and tutorial light 18, be provided with one-way valve 12 between 3rd outlet 9 and the CNG suction port of outside, between described first outlet 7 and flexible pipe 5, be provided with the first pressure gauge 13, between described gas holder 10 and air pump 11, be provided with the second pressure gauge 14, gas holder 10 inside is also provided with three layer filtration layer 15, and described gas holder 10 lower end also exports 9 with the 3rd and is communicated with, and is also provided with one-way valve 12 and valve 16 between described 3rd outlet 9 and gas holder 10,
The operating method of this CNG filling machine is carried out according to the following steps:
Step 1: after operator complete motor vehicle aerating, first air filling gun 4 is positioned on air gun scaffold 3, then 1-3 minute is waited for, press the operation button 17, when tutorial light 18 becomes red light from amber light, then three-way solenoid valve 6 is energized and starts action: the first outlet 7 and second exports 8 conductings, and the first outlet 7 and the 3rd exports 9 and closes;
Step 2: then booster air pump 11, when tutorial light 18 becomes green light from red light, manually air filling gun 4 is opened, now the gas of flexible pipe 5 inside is transferred in gas holder 10 by air pump 11, when the first pressure gauge 13 numerical value is normal pressure, now tutorial light 18 becomes amber light from green light, again presses the operation button 17, then three-way solenoid valve 6 is energized and starts action: the first outlet 7 and the 3rd exports 9 conductings, and the first outlet 7 and second exports 8 and closes;
Step 3: rock gas and air are mixed in gas holder 10, utilizes the three layer filtration layer 15 in gas holder 10 air-filtering to be fallen, then opens valve 16, and gas enters into the 3rd outlet 9 by one-way valve 12 and reuses.
Like this by the technological scheme of embodiment, this CNG filling machine and operating method thereof not only structure are simple, easy to operate, cost is low, long service life, by arranging gas reflux apparatus, can be recovered in gas holder by the liquid natural gas of inside hose fast, reduce the pressure of inside hose, avoid inside hose pressure excessive and cause security incident, protection public property and personal safety, and avoid frequently changing flexible pipe and air filling gun, add the working life of equipment, reduce costs; One-way valve is set and avoids refluence phenomenon, prevent liquid natural gas secondary pollution.
Above embodiment is only and technological thought of the present utility model is described; protection domain of the present utility model can not be limited with this; every technological thought according to the utility model proposes, any change that technological scheme basis is done, all falls within the utility model protection domain.
Claims (3)
1. a CNG filling machine, comprise housing (1), described housing (1) surface is provided with display device (2), air gun scaffold (3) is provided with in described display device (2) below, described air gun scaffold (3) inside is hidden and is provided with air filling gun (4), described air filling gun (4) is connected by the suction port of flexible pipe (5) with housing (1) sidewall, it is characterized in that: be provided with gas reflux apparatus in described housing (1) inside, described gas reflux apparatus comprises three-way solenoid valve (6), described three-way solenoid valve (6) has the first outlet (7), second outlet (8) and the 3rd outlet (9), described first outlet (7) is communicated with flexible pipe (5), described second outlet (8) is communicated with gas holder (10), described 3rd outlet (9) is connected with outside CNG suction port, export between (8) at described gas holder (10) and second and be also provided with air pump (11), described housing (1) surface is also provided with operating button (17) and tutorial light (18).
2. CNG filling machine according to claim 1, it is characterized in that: between described 3rd outlet (9) and the CNG suction port of outside, be provided with one-way valve (12), between described first outlet (7) and flexible pipe (5), be provided with the first pressure gauge (13), between described gas holder (10) and air pump (11), be provided with the second pressure gauge (14).
3. CNG filling machine according to claim 2, it is characterized in that: described gas holder (10) inside is also provided with three layer filtration layer (15), described gas holder (10) lower end also exports (9) and is communicated with the 3rd, and is also provided with one-way valve (12) and valve (16) between described 3rd outlet (9) and gas holder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520435266.9U CN204901323U (en) | 2015-06-23 | 2015-06-23 | CNG adds mechanism of qi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520435266.9U CN204901323U (en) | 2015-06-23 | 2015-06-23 | CNG adds mechanism of qi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204901323U true CN204901323U (en) | 2015-12-23 |
Family
ID=54923497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520435266.9U Withdrawn - After Issue CN204901323U (en) | 2015-06-23 | 2015-06-23 | CNG adds mechanism of qi |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204901323U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948906A (en) * | 2015-06-23 | 2015-09-30 | 大丰市大昌燃气设备有限公司 | CNG dispenser and operation method thereof |
-
2015
- 2015-06-23 CN CN201520435266.9U patent/CN204901323U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948906A (en) * | 2015-06-23 | 2015-09-30 | 大丰市大昌燃气设备有限公司 | CNG dispenser and operation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151223 Effective date of abandoning: 20170510 |
|
| AV01 | Patent right actively abandoned |