CN202884469U - Vehicle liquefied natural gas bottle control pipeline structure - Google Patents

Vehicle liquefied natural gas bottle control pipeline structure Download PDF

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Publication number
CN202884469U
CN202884469U CN 201220584624 CN201220584624U CN202884469U CN 202884469 U CN202884469 U CN 202884469U CN 201220584624 CN201220584624 CN 201220584624 CN 201220584624 U CN201220584624 U CN 201220584624U CN 202884469 U CN202884469 U CN 202884469U
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CN
China
Prior art keywords
gas cylinder
pipeline
supercharging
liquefied natural
flexible pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220584624
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Chinese (zh)
Inventor
王元
罗礼培
王娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Motor Corp
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Dongfeng Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongfeng Motor Corp filed Critical Dongfeng Motor Corp
Priority to CN 201220584624 priority Critical patent/CN202884469U/en
Application granted granted Critical
Publication of CN202884469U publication Critical patent/CN202884469U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a vehicle liquefied natural gas bottle control pipeline structure. The vehicle liquefied natural gas bottle control pipeline structure comprises an inflating panel liquid return port pipeline, an air return port formed in one end of the inflating panel liquid return port pipeline, a self supercharger, a supercharging air return flexible pipe, a supercharging liquid outlet flexible pipe one ends of which are connected with the self supercharger, a liquid outlet pipeline communicated with a bottle opening of a gas bottle, a liquid inlet pipeline and a gas bottle communicating pipe, a four-way valve and a safety valve, wherein one ends of the supercharging air return flexible pipe and the supercharging liquid outlet flexible pipe are connected with the self supercharger, a first interface of the four-way valve is connected with the safety valve, and a second interface of the four-way valve is connected with the other end of the inflating panel liquid return port pipeline; and a third interface of the four-way valve is connected with the gas bottle communicating pipe, a fourth interface of the four-way valve is connected with the other end of the supercharging air return flexible pipe, and the gas bottle communicating pipe is also provided with an emptying check valve. The vehicle liquefied natural gas bottle control pipeline structure provided by the utility model stops the fuel gas leaking in the installation process and the gas bottle replacing process, and the security and the economical efficiency of gas are improved.

Description

Vehicular liquefied natural gas cylinder pilot line structure
Technical field
The utility model relates to the new-energy automobile technical field, is specifically related to a kind of Vehicular liquefied natural gas cylinder pilot line structure.
Technical background
Store-162 ℃ liquified natural gas in the Vehicular liquefied natural gas cylinder, but liquified natural gas can be converted into the rock gas of gaseous state after along with heat absorption to external world, the gaseous natural gas of LNG Liquefied natural gas and high pressure can exist simultaneously in this moment bottle.The Vehicular liquefied natural gas cylinder pilot line structure of existing structure as shown in Figure 1, when installing and changing this state gas cylinder, unclamp the band connecting bolt, then unclamping supercharging return-air flexible pipe 1, realization with gas cylinder with separate from pressurization system, this moment bottle inner high voltage gaseous natural gas can be by 1 leakage of supercharging return-air flexible pipe, until pressure of the inside of a bottle is equal to external pressure, caused so a large amount of combustion gas wastes, and a large amount of natural gas leakings has caused great potential safety hazard in air.
The model utility content
The purpose of this utility model is for above-mentioned technical problem, and a kind of Vehicular liquefied natural gas cylinder pilot line structure is provided, this structure can stop that liquefied natural gas bottle is installed and Renewal process in the gas leakage that produces.
For realizing this purpose, the Vehicular liquefied natural gas cylinder pilot line structure that the utility model is designed, comprise inflation panel liquid return hole pipeline, be arranged on the gas returning port of inflation panel liquid return hole pipeline one end, automatic pressure intensifier, the supercharging return-air flexible pipe that one end is connected with automatic pressure intensifier and supercharging fluid flexible pipe, the fluid pipeline that is communicated with bottle mouth of gas cylinder and feed liquor pipeline and gas cylinder connecting tube, it also comprises four-way and safety valve, the first interface connection safety valve of described four-way, the second interface of four-way connects the other end of inflation panel liquid return hole pipeline, the 3rd interface of four-way connects gas cylinder connecting tube, the 4th interface of four-way connects the other end of supercharging return-air flexible pipe, and described gas cylinder also is provided with vent stop valve on connecting tube.
The end of described gas cylinder connecting tube connects bottle mouth of gas cylinder, and the other end of gas cylinder connecting tube connects the 3rd interface of four-way.
Described supercharging fluid flexible pipe is provided with the supercharging stop valve.
Described fluid pipeline is provided with the fluid stop valve.
The end of described feed liquor pipeline also is provided with filling opening.
The utility model is with the pipe joint cancellation of original supercharging return-air hose end, the butt joint that to inflate simultaneously panel liquid return hole pipeline end is replaced by four-way, by this improve design with on gas cylinder and the vehicle frame when increasing system and separate, can rock gas in the bottle be hedged off from the outer world by vent stop valve, stop at the gas leakage of installing and changing in the gas cylinder process.Improved the Economy of Security and combustion gas.
Description of drawings
Fig. 1 is the structural representation of existing Vehicular liquefied natural gas cylinder pilot line structure;
Fig. 2 is structural representation of the present utility model;
Wherein, 1-supercharging return-air flexible pipe, 2-supercharging fluid flexible pipe, 3-inflation panel liquid return hole pipeline, 4-gas returning port, 5-automatic pressure intensifier, 6-bottle mouth of gas cylinder, 7-fluid pipeline, 8-feed liquor pipeline, 9-four-way, 10-safety valve, 11-gas cylinder connecting tube, 12-vent stop valve, 13-supercharging stop valve, 14-fluid stop valve, 15-filling opening.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Vehicular liquefied natural gas cylinder pilot line structure as shown in Figure 2, comprise inflation panel liquid return hole pipeline 3, be arranged on the gas returning port 4 of inflation panel liquid return hole pipeline 3 one ends, automatic pressure intensifier 5, the supercharging return-air flexible pipe 1 that one end is connected with automatic pressure intensifier 5 and supercharging fluid flexible pipe 2, the fluid pipeline 7 that is communicated with bottle mouth of gas cylinder 6 and feed liquor pipeline 8 and gas cylinder connecting tube 11, it also comprises four-way 9 and safety valve 10, the first interface connection safety valve 10 of four-way 9, the second interface of four-way 9 connects the other end of inflation panel liquid return hole pipeline 3, the 3rd interface of four-way 9 connects gas cylinder connecting tube 11, the 4th interface of four-way 9 connects the other end of supercharging return-air flexible pipe 1, also is provided with vent stop valve 12 on gas cylinder connecting tube 11.
In the technique scheme, the end of gas cylinder connecting tube 11 connects bottle mouth of gas cylinder 6, and the other end of gas cylinder connecting tube 11 connects the 3rd interface of four-way 9.
In the technique scheme, supercharging fluid flexible pipe 2 is provided with supercharging stop valve 13.
In the technique scheme, fluid pipeline 7 is provided with fluid stop valve 14.
In the technique scheme, the end of feed liquor pipeline 8 also is provided with filling opening 15.
In the technique scheme, four-way 9 right sides connect gas cylinder connecting tube 11, and panel liquid return hole pipeline 3 is inflated by upper company.The effect that a safety valve 10(safety valve 10 is set up on the left side is when automatic pressure intensifier 5 uses with gas cylinder, rock gas heat absorption in the pipeline of connection automatic pressure intensifier 5 is boosted, when pressure surpasses the safety value that safety valve 10 is set, can drain from safety valve 10, can not cause damage to pipeline).Four-way 9 joints below connects supercharging return-air flexible pipe 1.By this improve design with on gas cylinder and the vehicle frame when increasing system and separate, can rock gas in the bottle be hedged off from the outer world by vent stop valve 12, stopped at the gas leakage of installing and changing in the gas cylinder process.
The content that this specification is not described in detail belongs to the known prior art of related domain professional and technical personnel.

Claims (5)

1. Vehicular liquefied natural gas cylinder pilot line structure, comprise inflation panel liquid return hole pipeline (3), be arranged on the gas returning port (4) of inflation panel liquid return hole pipeline (3) one ends, automatic pressure intensifier (5), the supercharging return-air flexible pipe (1) that one end is connected with automatic pressure intensifier (5) and supercharging fluid flexible pipe (2), the fluid pipeline (7) that is communicated with bottle mouth of gas cylinder (6) and feed liquor pipeline (8) and gas cylinder connecting tube (11), it is characterized in that: it also comprises four-way (9) and safety valve (10), the first interface connection safety valve (10) of described four-way (9), the second interface of four-way (9) connects the other end of inflation panel liquid return hole pipeline (3), the 3rd interface of four-way (9) connects gas cylinder connecting tube (11), the 4th interface of four-way (9) connects the other end of supercharging return-air flexible pipe (1), also is provided with vent stop valve (12) on described gas cylinder connecting tube (11).
2. according to claim 1 described Vehicular liquefied natural gas cylinder pilot line structure, it is characterized in that: the end of described gas cylinder connecting tube (11) connects bottle mouth of gas cylinder (6), and the other end of gas cylinder connecting tube (11) connects the 3rd interface of four-way (9).
3. according to claim 1 or 2 described Vehicular liquefied natural gas cylinder pilot line structures, it is characterized in that: described supercharging fluid flexible pipe (2) is provided with supercharging stop valve (13).
4. according to claim 1 or 2 described Vehicular liquefied natural gas cylinder pilot line structures, it is characterized in that: described fluid pipeline (7) is provided with fluid stop valve (14).
5. according to claim 1 or 2 described Vehicular liquefied natural gas cylinder pilot line structures, it is characterized in that: the end of described feed liquor pipeline (8) also is provided with filling opening (15).
CN 201220584624 2012-11-08 2012-11-08 Vehicle liquefied natural gas bottle control pipeline structure Expired - Lifetime CN202884469U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220584624 CN202884469U (en) 2012-11-08 2012-11-08 Vehicle liquefied natural gas bottle control pipeline structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220584624 CN202884469U (en) 2012-11-08 2012-11-08 Vehicle liquefied natural gas bottle control pipeline structure

Publications (1)

Publication Number Publication Date
CN202884469U true CN202884469U (en) 2013-04-17

Family

ID=48075898

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220584624 Expired - Lifetime CN202884469U (en) 2012-11-08 2012-11-08 Vehicle liquefied natural gas bottle control pipeline structure

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CN (1) CN202884469U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104456075A (en) * 2014-12-02 2015-03-25 上海雷尼威尔技术有限公司 LNG (Liquefied Natural Gas) cylinder control system for vehicle
CN104929813A (en) * 2015-06-23 2015-09-23 杭叉集团股份有限公司 LNG storage and supply system for forklift
CN106609907A (en) * 2015-10-24 2017-05-03 河北斯玛特深冷技术有限公司 Filling and air return integrated LNG vehicle-mounted gas cylinder
CN106609909A (en) * 2015-10-24 2017-05-03 河北斯玛特深冷技术有限公司 LNG vehicle-mounted cylinder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104456075A (en) * 2014-12-02 2015-03-25 上海雷尼威尔技术有限公司 LNG (Liquefied Natural Gas) cylinder control system for vehicle
CN104929813A (en) * 2015-06-23 2015-09-23 杭叉集团股份有限公司 LNG storage and supply system for forklift
CN106609907A (en) * 2015-10-24 2017-05-03 河北斯玛特深冷技术有限公司 Filling and air return integrated LNG vehicle-mounted gas cylinder
CN106609909A (en) * 2015-10-24 2017-05-03 河北斯玛特深冷技术有限公司 LNG vehicle-mounted cylinder

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Granted publication date: 20130417