CN106089499A - A kind of gas-fueled vehicles CNG decompressor - Google Patents
A kind of gas-fueled vehicles CNG decompressor Download PDFInfo
- Publication number
- CN106089499A CN106089499A CN201610573389.8A CN201610573389A CN106089499A CN 106089499 A CN106089499 A CN 106089499A CN 201610573389 A CN201610573389 A CN 201610573389A CN 106089499 A CN106089499 A CN 106089499A
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- CN
- China
- Prior art keywords
- decompressor
- assembly
- main body
- valve
- piston rod
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
- F02M21/0239—Pressure or flow regulators therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
- F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
- F02M21/0203—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels characterised by the type of gaseous fuel
- F02M21/0215—Mixtures of gaseous fuels; Natural gas; Biogas; Mine gas; Landfill gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The present invention provides a kind of gas-fueled vehicles CNG decompressor, including decompressor main body；The bottom of decompressor main body is provided with high-voltage electromagnetic valve module, the side section of decompressor main body is provided with high-pressure inlet holder assembly and piston type mechanism of decompressor assembly, high-pressure inlet holder assembly is connected with high-voltage electromagnetic valve module, and high-voltage electromagnetic valve module is connected with piston type mechanism of decompressor assembly；Decompressor body interior is provided with balanced valve assembly and secondary membrane chip mechanism of decompressor assembly, and secondary membrane chip mechanism of decompressor assembly is connected with piston type mechanism of decompressor assembly, and balanced valve assembly is connected with secondary membrane chip mechanism of decompressor assembly.
Description
Technical field
The present invention relates to and is specifically related to a kind of gas-fueled vehicles CNG decompressor.
Background technology
Decompressor is parts used on automobile, for natural gas is carried out decompression operation.Existing decompressor is generally adopted
By diaphragm spring type structure and one-level or second depressurized mode.This kind of decompressor is used for CNG automobile.Along with LNG is on automobile
Using, the decompressor of diaphragm spring structure progressively shows and is easily conditioned in use and is difficult to stable and controls, and volume is relatively big, peace
The problems such as dress more inconvenience.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of gas-fueled vehicles CNG decompressor, this is natural
Gas automobile CNG decompressor can solve the problems referred to above well.
For reaching above-mentioned requirements, the present invention adopts the technical scheme that: provide a kind of gas-fueled vehicles CNG decompressor, should
Gas-fueled vehicles CNG decompressor includes decompressor main body；The double-U-shaped water channel of series connection it is integrated with in described decompressor main body, described
The bottom of decompressor main body is provided with high-voltage electromagnetic valve module, and the side section of described decompressor main body is provided with high-pressure inlet holder assembly
With piston type mechanism of decompressor assembly, described high-pressure inlet holder assembly is connected with described high-voltage electromagnetic valve module, described high-tension electricity
Electromagnetic valve component is connected with described piston type mechanism of decompressor assembly；Described decompressor body interior is provided with balanced valve assembly and two
Level diaphragm type mechanism of decompressor assembly, described secondary membrane chip mechanism of decompressor assembly is connected with described piston type mechanism of decompressor assembly
Logical, described balanced valve assembly is connected with described secondary membrane chip mechanism of decompressor assembly, described high-pressure inlet holder assembly and piston
Formula mechanism of decompressor assembly is positioned to both sides, and described decompressor main body is provided with the civilian mound for compensating decompressor outlet pressure
In compensation mechanism, described high-pressure inlet holder assembly and described venturi compensation mechanism are positioned at described decompressor main body homonymy；
Also include that Intake Cover, spring, piston rod, give vent to anger lid and mounting bracket, described Intake Cover and lid of giving vent to anger are the most airtight
Being fixed on the both sides of described main body, described body interior offers cavity, and described piston rod is placed in the cavity of described body interior
In, the two ends of described piston rod seal with the cavity wall of described body interior respectively and are connected；Described piston is located at by described spring housing
On bar, described spring is between the cavity and described piston rod of described body interior, and the centre of described piston rod is provided with gas
Through hole；
Also include that seal receptacle and diaphragm seal, described seal receptacle are located between Intake Cover and described main body, on described seal receptacle
Being provided with gas via-hole, described diaphragm seal is located in described seal receptacle, and described diaphragm seal leaves space with the side of described piston rod；
High-pressure solenoid valve component bottom is provided with energy-saving valve, and described energy-saving valve is internally provided with energy saving cylinder, electropneumatic valve positioner, turns
Parallel operation and Paula valve, described energy-saving valve is connected with external control circuit；
Piston type mechanism of decompressor component internal is provided with corrugated tube, regulation spring, valve seat and flap, and described piston type reduces pressure
Be connected to natural gas pressure control parts bottom mechanism assembly, natural gas pressure control components interior include oil circulating system, gas path circulatory system,
Water circulation system, distribution system DC source and DCT control system.
These gas-fueled vehicles CNG decompressor has the advantage that as follows: agent structure is compact simply, it is simple to processing.It uses
Piston rod adds the movement parts structure decompression principle as regulation pressure of spring, and valve port activity is freely, stably.Main parts size is equal
For revolving parts, it is simple to processing, compact, it is simple to be arranged on the framework of automotive frame or LNG air feed bottle.Due to LNG
Pressure after vaporization is typically at more than 1MP and no more than 2.5MPa, and in this input pressure scope, inventive piston formula reduces pressure
The output pressure of device and stability of flow.It can just demarcate output pressure as required before dispatching from the factory, and is made without pressure in using
Power adjusts.Compared with domestic and international similar diaphragm spring type decompressor, its stable performance.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, at this
A little accompanying drawings use identical reference number to represent same or analogous part, the schematic description and description of the application
For explaining the application, it is not intended that the improper restriction to the application.In the accompanying drawings:
Fig. 1 schematically shows the structural representation of the gas-fueled vehicles CNG decompressor according to one embodiment of the application
Figure.
Detailed description of the invention
For making the purpose of the application, technical scheme and advantage clearer, below in conjunction with drawings and the specific embodiments, to this
Application is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. is shown
The embodiment so described or example can include special characteristic, structure, characteristic, character, element or limit, but the most each reality
Execute example or example the most necessarily includes special characteristic, structure, characteristic, character, element or limit.It addition, reuse phrase " according to
One embodiment of the application " although it is possible to refer to identical embodiment, but it is not necessarily referring to identical embodiment.
For the sake of simplicity, eliminate in below describing and well known to a person skilled in the art some technical characteristic.
An embodiment according to the application, it is provided that a kind of gas-fueled vehicles CNG decompressor, as it is shown in figure 1, include decompression
Device main body 7；Being integrated with the double-U-shaped water channel of series connection in described decompressor main body 7, the bottom of described decompressor main body 7 is provided with height
Pressure electromagnetic valve assembly 2, the side section of described decompressor main body 7 is provided with high-pressure inlet holder assembly 1 and piston type mechanism of decompressor assembly
3, described high-pressure inlet holder assembly 1 is connected with described high-voltage electromagnetic valve module 2, described high-voltage electromagnetic valve module 2 and described work
Plug mechanism of decompressor assembly 3 is connected；Described decompressor main body 7 is internally provided with balanced valve assembly 4 and the decompression of secondary membrane chip
Mechanism assembly 5, described secondary membrane chip mechanism of decompressor assembly 5 is connected with described piston type mechanism of decompressor assembly 3, described balance
Valve module 4 is connected with described secondary membrane chip mechanism of decompressor assembly 5, described high-pressure inlet holder assembly 1 and piston type negative booster
Structure assembly 3 is positioned to both sides, described decompressor main body 7 is provided with the venturi for compensating decompressor outlet pressure and compensates
Mechanism 6, described high-pressure inlet holder assembly 1 and described venturi compensation mechanism 6 are positioned at described decompressor main body 7 homonymy.
An embodiment according to the application, these gas-fueled vehicles CNG decompressor also includes Intake Cover, spring, piston
Bar, give vent to anger lid and mounting bracket, described Intake Cover and the most airtight both sides being fixed on described main body of lid of giving vent to anger, in described main body
Portion offers cavity, and described piston rod is placed in the cavity of described body interior, the two ends of described piston rod respectively with described master
The cavity wall in internal portion seals and is connected；Described spring housing is located on described piston rod, and described spring is positioned at described body interior
Between cavity and described piston rod, the centre of described piston rod is provided with gas via-hole.
An embodiment according to the application, these gas-fueled vehicles CNG decompressor also includes seal receptacle and diaphragm seal, described
Seal receptacle is located between Intake Cover and described main body, and described seal receptacle is provided with gas via-hole, and described diaphragm seal is located at described close
In envelope seat, described diaphragm seal leaves space with the side of described piston rod；It is provided with energy-saving valve bottom high-voltage electromagnetic valve module 2,
Described energy-saving valve is internally provided with energy saving cylinder, electropneumatic valve positioner, transducer and Paula valve, described energy-saving valve and outside control
Circuit processed is connected.
An embodiment according to the application, the piston type mechanism of decompressor assembly 3 of these gas-fueled vehicles CNG decompressor is internal
It is provided with corrugated tube, regulation spring, valve seat and flap, bottom described piston type mechanism of decompressor assembly 3, is connected to natural gas pressure control portion
Part, natural gas pressure control components interior includes oil circulating system, gas path circulatory system, water circulation system, distribution system DC source
And DCT control system.
Embodiment described above only represents the several embodiments of the present invention, and it describes more concrete and detailed, but not
It is understood that as limitation of the scope of the invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from
On the premise of present inventive concept, it is also possible to make some deformation and improvement, these broadly fall into scope.Therefore this
Bright protection domain should be as the criterion with described claim.
Claims (1)
1. a gas-fueled vehicles CNG decompressor, it is characterised in that: include decompressor main body；In described decompressor main body integrated
The double-U-shaped water channel of series connection, the bottom of described decompressor main body is had to be provided with high-voltage electromagnetic valve module, the side of described decompressor main body
Section is provided with high-pressure inlet holder assembly and piston type mechanism of decompressor assembly, described high-pressure inlet holder assembly and described high-pressure solenoid valve
Assembly is connected, and described high-voltage electromagnetic valve module is connected with described piston type mechanism of decompressor assembly；In described decompressor main body
Portion is provided with balanced valve assembly and secondary membrane chip mechanism of decompressor assembly, described secondary membrane chip mechanism of decompressor assembly and described work
Plug mechanism of decompressor assembly is connected, and described balanced valve assembly is connected with described secondary membrane chip mechanism of decompressor assembly, described
High-pressure inlet holder assembly and piston type mechanism of decompressor assembly are positioned to both sides, and described decompressor main body is provided with for compensating
The venturi compensation mechanism of decompressor outlet pressure, described high-pressure inlet holder assembly and described venturi compensation mechanism are positioned at described
Decompressor main body homonymy；
Also include that Intake Cover, spring, piston rod, give vent to anger lid and mounting bracket, described Intake Cover and lid of giving vent to anger are the most airtight fixing
In the both sides of described main body, described body interior offers cavity, and described piston rod is placed in the cavity of described body interior, institute
The two ends stating piston rod are connected with the cavity wall sealing of described body interior respectively；Described spring housing is located on described piston rod,
Described spring is between the cavity and described piston rod of described body interior, and the centre of described piston rod is provided with gas via-hole；
Also including that seal receptacle and diaphragm seal, described seal receptacle are located between Intake Cover and described main body, described seal receptacle is provided with
Gas via-hole, described diaphragm seal is located in described seal receptacle, and described diaphragm seal leaves space with the side of described piston rod；
Described high-pressure solenoid valve component bottom is provided with energy-saving valve, and described energy-saving valve is internally provided with energy saving cylinder, electrical valve
Localizer, transducer and Paula valve, described energy-saving valve is connected with external control circuit；
Described piston type mechanism of decompressor component internal is provided with corrugated tube, regulation spring, valve seat and flap, and described piston type reduces pressure
Be connected to natural gas pressure control parts bottom mechanism assembly, natural gas pressure control components interior include oil circulating system, gas path circulatory system,
Water circulation system, distribution system DC source and DCT control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573389.8A CN106089499A (en) | 2016-07-19 | 2016-07-19 | A kind of gas-fueled vehicles CNG decompressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610573389.8A CN106089499A (en) | 2016-07-19 | 2016-07-19 | A kind of gas-fueled vehicles CNG decompressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106089499A true CN106089499A (en) | 2016-11-09 |
Family
ID=57221099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610573389.8A Pending CN106089499A (en) | 2016-07-19 | 2016-07-19 | A kind of gas-fueled vehicles CNG decompressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106089499A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102498447A (en) * | 2009-07-02 | 2012-06-13 | 泰思康公司 | Balanced valve cartridge |
| CN202851198U (en) * | 2012-10-24 | 2013-04-03 | 贾学仪 | Double piston type gas pressure reducing regulator for vehicles |
| CN103277553A (en) * | 2013-05-25 | 2013-09-04 | 铜陵市三圆特种铸造有限责任公司 | Mass-flow balanced type pressure regulating valve |
| CN104963792A (en) * | 2015-07-13 | 2015-10-07 | 成都恩吉威汽车系统有限公司 | Automotive CNG pressure reducer with novel piston type pressure reducing mechanism |
| CN204783332U (en) * | 2015-07-13 | 2015-11-18 | 成都恩吉威汽车系统有限公司 | Automobile -used CNG pressure reducer with novel piston mechanism of decompressor |
-
2016
- 2016-07-19 CN CN201610573389.8A patent/CN106089499A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102498447A (en) * | 2009-07-02 | 2012-06-13 | 泰思康公司 | Balanced valve cartridge |
| CN202851198U (en) * | 2012-10-24 | 2013-04-03 | 贾学仪 | Double piston type gas pressure reducing regulator for vehicles |
| CN103277553A (en) * | 2013-05-25 | 2013-09-04 | 铜陵市三圆特种铸造有限责任公司 | Mass-flow balanced type pressure regulating valve |
| CN104963792A (en) * | 2015-07-13 | 2015-10-07 | 成都恩吉威汽车系统有限公司 | Automotive CNG pressure reducer with novel piston type pressure reducing mechanism |
| CN204783332U (en) * | 2015-07-13 | 2015-11-18 | 成都恩吉威汽车系统有限公司 | Automobile -used CNG pressure reducer with novel piston mechanism of decompressor |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20161109 |