CN107829846A - A kind of feed pipe for automobile fuel gas conveying - Google Patents
A kind of feed pipe for automobile fuel gas conveying Download PDFInfo
- Publication number
- CN107829846A CN107829846A CN201711026679.1A CN201711026679A CN107829846A CN 107829846 A CN107829846 A CN 107829846A CN 201711026679 A CN201711026679 A CN 201711026679A CN 107829846 A CN107829846 A CN 107829846A
- Authority
- CN
- China
- Prior art keywords
- aperture
- macropore
- micropore
- mesoporous
- sound
- 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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Links
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
-
- 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
- F02M21/0248—Injectors
-
- 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
Landscapes
- 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)
- Exhaust Silencers (AREA)
Abstract
The present invention discloses a kind of feed pipe for automobile fuel gas conveying, including pipe main body 1, pipe main body 1.Inner side be coated with acoustical cotton 2, sound-absorbing material layer 3, the acoustical cotton 2, sound-absorbing material layer 3 distribute alternately in the inner side of pipe main body 1.Sound-absorbing material layer includes micropore, macropore, mesoporous, and its pore size is adjusted, micropore, macropore, mesoporous pore interior are provided with the open pore to interpenetrate, therefore micropore, macropore, mesoporous inner space have space, it is by air molecule friction and viscosity resistance, fiber fines is made mechanical oscillation, acoustic energy is converted into heat energy, so as to reach the effect of sound-absorbing.
Description
Technical field
The present invention relates to gas technology field, and in particular to a kind of feed pipe for automobile fuel gas conveying.
Background technology
With the rapid growth of car ownership, environmental pollution and petroleum resources shortage problem are on the rise.Therefore, the world
Actively develop the R＆D work of new-energy automobile in various countries.Wherein, gas-fueled vehicles with its discharge it is low, suppress greenhouse effects and to break away from
Three big characteristics are relied on to oil, is just worldwide popularized and promoted.In China, many city bus and taxi have
Compressed natural gas (CNG) or liquefied petroleum gas (LPG) have been used or used instead to great amount of fuel oil car instead.With China's combustion gas vapour
The rapid of car recoverable amount increases, and it is also imperative to develop matched combustion heater.
In the electronic controlled gas injection system of gaseous propellant engine, one of device of most critical is gas ejector, its property
It good and bad can directly affect the jet quality of fuel.
For existing gas injection rail when spraying transport, the feed pipe that it is used by reason of heavy pressure, and produces larger noise,
Whole engine is caused to produce very big noise in the process of running.
Based on this, a kind of feed pipe for automobile fuel gas conveying has been researched and developed.
The content of the invention
The present invention provides a kind of feed pipe for automobile fuel gas conveying, using structures pair such as acoustical cotton, sound-absorbing material layers
Noise during fuel gas transmission carries out denoising Processing.
The present invention is achieved through the following technical solutions：
A kind of feed pipe for automobile fuel gas conveying, including pipe main body, be coated with the inside of pipe main body acoustical cotton,
Sound-absorbing material layer, the acoustical cotton, sound-absorbing material layer distribute alternately in the inner side of pipe main body.
Preferably, the acoustical cotton is for conveying the glass fibre acoustical cotton in gas pipeline.
Preferably, the acoustical cotton is prepared using quartz sand, lime stone, dolomite as raw material.
Preferably, the sound-absorbing material layer is provided with micropore, mesoporous, macropore, and the micropore, mesoporous, macropore form one group
Cavernous structure, and the spacing between micropore, mesoporous, macropore is equal, and multigroup cavernous structure is distributed with sound-absorbing material layer.
Preferably, the aperture of the micropore is 1nm, and mesoporous aperture is 3nm, and the aperture of macropore is 55nm.
Preferably, the aperture of the micropore is 0.5nm, and mesoporous aperture is 10nm, and the aperture of macropore is 100nm.
Preferably, the aperture of the micropore is 0.1nm, and mesoporous aperture is 8nm, and the aperture of macropore is 80nm.
The present invention compared with prior art, has the following advantages and advantages：
(1) by alternate setting acoustical cotton, sound-absorbing material layer on the inside of body in the technical program, to being produced in fuel gas transmission
Raw noise is handled.
(2) sound-absorbing material layer includes micropore, macropore, mesoporous, and its pore size is adjusted, micropore, macropore, Jie
The pore interior in hole is provided with the open pore to interpenetrate, therefore micropore, macropore, mesoporous inner space have space, and it is by sky
Gas molecular friction and viscosity resistance, make fiber fines make mechanical oscillation, and acoustic energy is converted into heat energy, so as to reach the effect of sound-absorbing
Fruit.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of sound-absorbing material layer in the present invention；
Wherein：1-pipe main body, 2-acoustical cotton, 3-sound-absorbing material layer, 311-micropore, 312-mesoporous, 313-big
Hole.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment, the present invention is made
Further to describe in detail, exemplary embodiment of the invention and its explanation are only used for explaining the present invention, are not intended as to this
The restriction of invention.
Embodiment 1：
As shown in Figure 1 and Figure 2, a kind of feed pipe for automobile fuel gas conveying, including pipe main body 1, pipe main body 1.'s
Inner side is coated with acoustical cotton 2, sound-absorbing material layer 3, and the acoustical cotton 2, sound-absorbing material layer 3 distribute alternately in pipe main body 1
Side.
Preferably, the acoustical cotton 2 is for conveying the glass fibre acoustical cotton in gas pipeline.
Preferably, the acoustical cotton 2 is prepared using quartz sand, lime stone, dolomite as raw material.
Preferably, the sound-absorbing material layer 3 is provided with micropore 311, mesoporous 312, macropore 313, the micropore 311, mesoporous
312nd, macropore 313 forms one group of cavernous structure, and the spacing between micropore 311, mesoporous 312, macropore 313 is equal, sound-absorbing material
Multigroup cavernous structure is distributed with layer 3.
The aperture of the micropore 311 is that mesoporous 312 aperture is 3-10nm, and the aperture of macropore 313 is less than or equal to 1nm
55—100nm。
Embodiment 2：
On the basis of embodiment further preferably, the aperture of the micropore 311 is 1nm to the present embodiment, mesoporous 312 hole
Footpath is 3nm, and the aperture of macropore 313 is 55nm.
Implement 3：
On the basis of embodiment further preferably, the aperture of the micropore 311 is 0.5nm to the present embodiment, mesoporous 312
Aperture is 10nm, and the aperture of macropore 313 is 100nm.
In the present embodiment, carried out preferably for the noise-reducing structure of feed pipe, wherein, acoustical cotton is that a kind of artificial inorganic is fine
Dimension, to use quartz sand, lime stone, dolomite to be prepared for raw material.Under melting state, wadding is got rid of into by external force blowing produced
Shape fine fibre, crossings on different level between fiber and fiber, is intertwined mutually, shows many tiny gaps.
By macropore, mesoporous, micropore gap setting in sound-absorbing material layer in embodiment 1-3, when the sound of fuel gas transmission
During input link material surface, an acoustic energy part is reflected, a part of penetrable material, the vibration of some construction material or
With surrounding medium friction when sound is propagated wherein, heat energy is converted into by acoustic energy, acoustic energy is depleted, i.e., the sound of combustion gas is by sound-absorbing
Material layer absorbs, and reaches the purpose of noise elimination.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.
Claims (8)
- A kind of 1. feed pipe for automobile fuel gas conveying, it is characterised in that：Including pipe main body (1), pipe main body (1).'s Inner side is coated with acoustical cotton (2), sound-absorbing material layer (3), and the acoustical cotton (2), sound-absorbing material layer (3) distribute alternately in pipeline master The inner side of body (1).
- A kind of 2. feed pipe for automobile fuel gas conveying according to claim 1, it is characterised in that：The acoustical cotton (2) it is for conveying the glass fibre acoustical cotton in gas pipeline.
- A kind of 3. feed pipe for automobile fuel gas conveying according to claim 2, it is characterised in that：The acoustical cotton (2) it is prepared using quartz sand, lime stone, dolomite as raw material.
- A kind of 4. feed pipe for automobile fuel gas conveying according to claim 1, it is characterised in that：The sound-absorbing material Layer (3) is provided with micropore (311), mesoporous (312), macropore (313), the micropore (311), mesoporous (312), macropore (313) shape Into one group of cavernous structure, and the spacing between micropore (311), mesoporous (312), macropore (313) is equal, on sound-absorbing material layer (3) Multigroup cavernous structure is distributed with.
- A kind of 5. feed pipe for automobile fuel gas conveying according to claim 4, it is characterised in that：The micropore (311) aperture is that the aperture of mesoporous (312) is 3-10nm, and the aperture of macropore (313) is 55-100nm less than or equal to 1nm.
- A kind of 6. feed pipe for automobile fuel gas conveying according to claim 5, it is characterised in that：The micropore (311) aperture is 1nm, and the aperture of mesoporous (312) is 3nm, and the aperture of macropore (313) is 55nm.
- A kind of 7. feed pipe for automobile fuel gas conveying according to claim 5, it is characterised in that：The micropore (311) aperture is 0.5nm, and the aperture of mesoporous (312) is 10nm, and the aperture of macropore (313) is 100nm.
- A kind of 8. feed pipe for automobile fuel gas conveying according to claim 5, it is characterised in that：The micropore (311) aperture is 0.1nm, and the aperture of mesoporous (312) is 8nm, and the aperture of macropore (313) is 80nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026679.1A CN107829846A (en) | 2017-10-27 | 2017-10-27 | A kind of feed pipe for automobile fuel gas conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026679.1A CN107829846A (en) | 2017-10-27 | 2017-10-27 | A kind of feed pipe for automobile fuel gas conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107829846A true CN107829846A (en) | 2018-03-23 |
Family
ID=61649927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711026679.1A Withdrawn CN107829846A (en) | 2017-10-27 | 2017-10-27 | A kind of feed pipe for automobile fuel gas conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107829846A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202348382U (en) * | 2011-11-24 | 2012-07-25 | 常州东仕豪机械制造有限公司 | Silencer for perforated plate |
| CN202422724U (en) * | 2011-12-22 | 2012-09-05 | 常州市泛亚微透科技有限公司 | Full-frequency sound absorption cotton |
| CN205097637U (en) * | 2015-07-10 | 2016-03-23 | 湖北崇高科工有限公司 | Sound baffle is inhaled to high efficiency |
| CN105888888A (en) * | 2016-06-15 | 2016-08-24 | 四川森洁燃气设备有限公司 | Safety type gas injection rail |
| CN106555721A (en) * | 2016-11-17 | 2017-04-05 | 江苏星辰星汽车附件有限公司 | A kind of automobile NVH noise reduction air inlet pipe |
-
2017
- 2017-10-27 CN CN201711026679.1A patent/CN107829846A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202348382U (en) * | 2011-11-24 | 2012-07-25 | 常州东仕豪机械制造有限公司 | Silencer for perforated plate |
| CN202422724U (en) * | 2011-12-22 | 2012-09-05 | 常州市泛亚微透科技有限公司 | Full-frequency sound absorption cotton |
| CN205097637U (en) * | 2015-07-10 | 2016-03-23 | 湖北崇高科工有限公司 | Sound baffle is inhaled to high efficiency |
| CN105888888A (en) * | 2016-06-15 | 2016-08-24 | 四川森洁燃气设备有限公司 | Safety type gas injection rail |
| CN106555721A (en) * | 2016-11-17 | 2017-04-05 | 江苏星辰星汽车附件有限公司 | A kind of automobile NVH noise reduction air inlet pipe |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20180323 |