CN105485397B - A kind of solenoid valve adjusted for gas flow - Google Patents
A kind of solenoid valve adjusted for gas flow Download PDFInfo
- Publication number
- CN105485397B CN105485397B CN201610062411.2A CN201610062411A CN105485397B CN 105485397 B CN105485397 B CN 105485397B CN 201610062411 A CN201610062411 A CN 201610062411A CN 105485397 B CN105485397 B CN 105485397B
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- China
- Prior art keywords
- valve
- shell
- valve nozzle
- moving valve
- nozzle
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
Abstract
The invention discloses a kind of solenoid valves adjusted for gas flow, including solenoid valve seat, it is disposed with moving valve from inside to outside in solenoid valve seat, shell, shell upper end extends outwardly, shell lower end is provided with the connector of inner hollow, there are gaps between connector upper end and moving valve lower end, valve nozzle is threaded in the elongated end of shell, the air flue for being provided with inside moving valve and being connected in the middle part of connector, spring is arranged in air flue, the through-hole being connected to there are two being opened on moving valve side wall with air flue, it is connected to inside moving valve upper end and valve nozzle, multiple fumaroles are provided on the circumference on valve nozzle top.Compared with prior art, under the premise of equally increasing combustion gas input quantity, the output quantity of single gas distribution channel and then realizes the rate of change of fuel gas supply amount in spray rail well below the output quantity of double gas distribution channels, achievees the purpose that gas flow flexible modulation.
Description
Technical field
The present invention relates to gas injection rail, in particular to a kind of solenoid valves adjusted for gas flow.
Background technique
With the rapid growth of car ownership, environmental pollution and petroleum resources shortage problem are on the rise.For this purpose, the world
Actively develop the R&D work of new-energy automobile in various countries.Wherein, natural gas vehicle is low with its discharge, inhibits greenhouse effects and gets rid of
Three big characteristics are relied on to petroleum, is just worldwide popularized and is promoted.In China, many city bus and taxi
There is great amount of fuel oil vehicle to use or used instead compressed natural gas (CNG) or liquefied petroleum gas (LPG) instead.With China
Increasing rapidly for gas combustion automobile ownership, it is also imperative to develop matched combustion heater.
In the electronic controlled gas injection system of gaseous propellant engine, the device of most critical first is that gas ejector, its property
Energy superiority and inferiority directly affects the jet quality of fuel.However, structure is complicated for spray rail spool in the prior art, the stabilization of nozzle flow
Property it is insufficient, the adjusting of gas flow is more lagged in adjustment process, for example when increasing or reducing flow output by spraying
The gas flow variation that mouth ejects is slower.
Summary of the invention
The purpose of the present invention is to provide a kind of solenoid valves adjusted for gas flow, increase fuel gas supply amount in spray rail
Rate of change, and then the purpose of gas flow flexible modulation.
The purpose of the invention is achieved by the following technical solution:
A kind of solenoid valve adjusted for gas flow, the solenoid valve seat including being provided with electromagnetic coil on inner wall, in institute
It states and is disposed with moving valve, shell in solenoid valve seat from inside to outside, the shell upper end extends outwardly, and under the shell
End is provided with the connector of inner hollow, and there are gaps between connector upper end and moving valve lower end, in the elongated end spiral shell of shell
Line is connected with valve nozzle, and the air flue being connected to connector middle part is provided with inside the moving valve, and spring is arranged in air flue, and in institute
It states and is opened on moving valve side wall there are two the through-hole being connected to air flue, moving valve upper end and valve nozzle inside are connected to, and on valve nozzle top
Circumference on be provided with multiple fumaroles；When adjusting gas flow exports, by the changes of magnetic field of electromagnetic coil, make moving valve perpendicular
Histogram moves in a straight line upwards, to adjust the contact area size of through-hole and inner walls.In the prior art, the supply of combustion gas is past
Toward directly transmitting by fuel gas pipeline, the requirement of precise fine-adjustment is not achieved in terms of the adjustment of air demand so that gas supply without
Method meets actual demand；When the invention works, for supplying normal discharge, the corresponding end surface phase mutual connection of moving valve and connector
Touching, and through-hole is blocked by inner walls completely, combustion gas passes through opening at the top of air flue by entering in air flue inside connector
It puts end to flow into valve nozzle, finally be flowed out by the fumarole on valve nozzle top；And when needing to increase gas supply amount, solenoid valve
The magnetic field around moving valve is changed by electromagnetic coil in seat, so that being detached between moving valve and connector, i.e., dynamic valve
Body moves up, at this point, the through-hole being connected to air flue is gradually connected to valve nozzle inside, i.e., it can by the combustion gas exported inside connector
Entered in valve nozzle by the open end at the top of through-hole and moving valve, the combustion gas input quantity that need to only increase at connector then can increase
The final combustion gas output quantity of valve nozzle, compared with prior art, under the premise of equally increasing combustion gas input quantity, single gas distribution channel
Output quantity well below double gas distribution channels output quantity, and then realize spray rail in fuel gas supply amount rate of change, reach combustion
The purpose of throughput flexible modulation.Also, multiple fumaroles are set on the excircle at the top of valve nozzle, are suitable for combustion gas in air flue
Output is stablized in combustion gas when amount increases or reduces, and wherein valve nozzle is threadedly coupled with the elongated end of shell, can be when valve nozzle is damaged
Quick-replaceable is carried out to it, and then avoids the integral replacing to components such as spool and solenoid valve seats, reduces use cost.
Cushion is installed in the gap.To reduce the impact between moving valve and connector end, in gap location
Cushion is installed, on the one hand can guarantee that moving valve keeps moving back and forth on stable vertical direction, on the other hand can also will subtract
The abrasion of small moving valve end face, extends the service life of moving valve.
O-ring is installed in the junction of the valve nozzle outer wall and shell elongated end inner wall.Since valve nozzle and shell extend
End is is threadedly coupled, and to further strengthen the connection sealing between valve nozzle and shell, it is close that setting O-ring is not only able to achieve enhancing
The purpose of sealing property, moreover it is possible to buffer combustion gas when spraying to the impact dynamics between shell and valve nozzle junction, to guarantee to fill
Set whole stability.
It further include straight tube, the straight tube lower end is connect with the open end at the top of moving valve, the straight tube and valve nozzle
Axis be overlapped.The setting of straight tube shortens operation distance of the combustion gas inside valve nozzle, avoids when increasing gas supply amount,
By forming wadding stream between the combustion gas flowed out in the combustion gas ejected in through-hole and moving valve open-top end, cause combustion gas in valve nozzle
The internal residence time reduces the combustion gas output quantity at fumarole simultaneously；And the axis of straight tube is overlapped with the axis of valve nozzle,
The combustion gas that the combustion gas flowed out in through-hole is flowed out with straight tube can be distinguished, but finally converged at fumarole, guarantee valve nozzle
The flow ejection efficiency at place.
The inner wall on the valve nozzle top protrudes downward along direct-injection tube axis direction, and the section of the protruding portion is semicircle.
If launched by plane, combustion gas preferably, the combustion gas of direct-injection pipe end output is applied directly on the inner wall on valve nozzle top
It is possible that being launched on the side wall to valve nozzle from the inner wall on valve nozzle top, and then extends combustion gas and persists the time in valve nozzle,
And the inner wall on valve nozzle top protrudes downward along direct-injection tube axis direction in the present invention, section is that semicircular protruding portion can be to combustion gas
Guiding role to a certain extent is carried out, that is, reduces the ejection of combustion gas, guiding gas is directly flow at fumarole along its arc surface,
Further increase the gas flow ejection efficiency at valve nozzle.
Compared with prior art, the present invention having the following advantages and benefits:
1, multiple fumaroles are arranged in the present invention on the excircle at the top of valve nozzle, be suitable in air flue gas quantity increase or
Output is stablized in combustion gas when reduction, and wherein valve nozzle is threadedly coupled with the elongated end of shell, can be carried out fastly when valve nozzle is damaged to it
Speed replacement, and then the integral replacing to components such as spool and solenoid valve seats is avoided, reduce use cost；
2, the setting of straight tube of the invention shortens operation distance of the combustion gas inside valve nozzle, avoids increasing combustion gas confession
When should measure, by forming wadding stream between the combustion gas flowed out in the combustion gas ejected in through-hole and moving valve open-top end, cause to fire
Residence time of the gas inside valve nozzle reduces the combustion gas output quantity at fumarole simultaneously；And the axis of straight tube and the axis of valve nozzle
Line is overlapped, and can be distinguished the combustion gas that the combustion gas flowed out in through-hole is flowed out with straight tube, but finally converge at fumarole, is protected
Demonstrate,prove the flow ejection efficiency at valve nozzle；
If 3, the combustion gas of direct-injection pipe end output is applied directly on the inner wall on valve nozzle top in the present invention, pass through plane
Ejection, combustion gas are possible on the side wall launched to valve nozzle from the inner wall on valve nozzle top, and then extend combustion gas in valve nozzle
The time is persisted, and the inner wall on valve nozzle top protrudes downward along direct-injection tube axis direction in the present invention, section is semicircular protrusion
Portion can carry out guiding role to a certain extent to combustion gas, that is, reduce the ejection of combustion gas, guiding gas is directly along its circular arc surface current
To fumarole, the gas flow ejection efficiency at valve nozzle is further increased.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention；
Label and corresponding parts title in attached drawing:
1- through-hole, 2- fumarole, 3- straight tube, 4- spring, 5- moving valve, 6- shell, 7- air flue, 8- connector, 9- electricity
Magnet valve seat, 10- cushion, 11-O type circle, 12- valve nozzle.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment includes the solenoid valve seat 9 for being provided with electromagnetic coil on inner wall, in the solenoid valve seat 9
It is inside disposed with moving valve 5, shell 6 from inside to outside, 6 upper end of shell extends outwardly, and is arranged in 6 lower end of shell
There is a connector 8 of inner hollow, there are gaps between 5 lower end of 8 upper end of connector and moving valve, in the elongated end screw thread of shell 6
It is connected with valve nozzle 12, the air flue 7 being connected to in the middle part of connector 8 is provided with inside the moving valve 5, spring 4 is arranged in air flue 7,
And opened on 5 side wall of moving valve there are two the through-hole 1 that is connected to air flue 7, it is connected to inside 5 upper end of moving valve and valve nozzle 12,
And multiple fumaroles 2 are provided on the circumference on 12 top of valve nozzle；When adjusting gas flow exports, become by the magnetic field of electromagnetic coil
Change, moves in a straight line moving valve 5 in the vertical direction, to adjust the contact area size of through-hole 1 Yu 6 inner wall of shell.
When work, for supplying normal discharge, moving valve 5 and the corresponding end surface of connector 8 contact with each other, and through-hole 1 is complete
It is blocked entirely by 6 inner wall of shell, by entering in air flue 7 inside connector 8, the open end by 7 top of air flue is straight for combustion gas
It sprays into valve nozzle 12, is finally flowed out by the fumarole 2 on 12 top of valve nozzle；And when needing to increase gas supply amount, solenoid valve
The magnetic field around moving valve 5 is changed by electromagnetic coil in seat 9, so that being detached between moving valve 5 and connector 8, i.e.,
Moving valve 5 moves up, at this point, the through-hole 1 being connected to air flue 7 is gradually connected to inside valve nozzle 12, i.e., it is defeated by 8 inside of connector
Combustion gas out can be entered in valve nozzle 12 by the open end at 5 top of through-hole 1 and moving valve, need to only increase the combustion at connector 8
Gas input quantity then can increase the final combustion gas output quantity of valve nozzle 12, compared with prior art, equally increase combustion gas input quantity
Under the premise of, the output quantity of single gas distribution channel and then realizes fuel gas supply in spray rail well below the output quantity of double gas distribution channels
The rate of change of amount achievees the purpose that gas flow flexible modulation.Also, multiple sprays are set on the excircle at 12 top of valve nozzle
Stomata 2 is suitable for combustion gas when gas quantity in air flue 7 increases or reduces and stablizes output, the wherein extension of valve nozzle 12 and shell 6
End is threadedly coupled, and can carry out quick-replaceable to it when valve nozzle 12 is damaged, and then avoid to components such as spool and solenoid valve seats 9
Integral replacing, reduce use cost.
Wherein, the present embodiment is the impact reduced between moving valve 5 and 8 end of connector, installs cushion in gap location
10, it on the one hand can guarantee that moving valve 5 keeps moving back and forth on stable vertical direction, on the other hand can also will reduce moving valve
The abrasion of 5 end faces extends the service life of moving valve 5.It is further since valve nozzle 12 is to be threadedly coupled with 6 elongated end of shell
Reinforce the connection sealing between valve nozzle 12 and shell 6, setting O-ring 11 is not only able to achieve the purpose of enhancing sealing performance, also
Combustion gas can be buffered when spraying to the impact dynamics between 12 junction of shell 6 and valve nozzle, to guarantee the stabilization of device entirety
Performance.
The present embodiment further includes straight tube 3, and 3 lower end of straight tube is connect with the open end at 5 top of moving valve, described straight
Jet pipe 3 is overlapped with the axis of valve nozzle 12.The setting of straight tube 3 shortens operation distance of the combustion gas inside valve nozzle 12, avoids
When increasing gas supply amount, by being formed between the combustion gas flowed out in 5 open-top end of the combustion gas ejected in through-hole 1 and moving valve
Wadding stream leads to residence time of the combustion gas inside valve nozzle 12 while reducing the combustion gas output quantity at fumarole 2；And straight tube 3
Axis be overlapped with the axis of valve nozzle 12, the combustion gas that the combustion gas flowed out in through-hole 1 is flowed out with straight tube 3 can be distinguished, but
It finally converges at fumarole 2, guarantees the flow ejection efficiency at valve nozzle 12.
Preferably, if the combustion gas of 3 end of straight tube output is applied directly on the inner wall on 12 top of valve nozzle, by flat
Face ejection, combustion gas are possible to launch from the inner wall on 12 top of valve nozzle to the side wall inside valve nozzle 12, and then extend combustion gas in valve
The time is persisted in mouth 12, and the inner wall on 12 top of valve nozzle protrudes downward along 3 axis direction of straight tube in the present invention, section is half
Circular protruding portion can carry out guiding role to a certain extent to combustion gas, that is, reduce the ejection of combustion gas, the direct edge of guiding gas
Its arc surface is flow at fumarole 2, further increases the gas flow ejection efficiency at valve nozzle 12.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (3)
1. a kind of solenoid valve adjusted for gas flow, the solenoid valve seat (9) including being provided with electromagnetic coil on inner wall is special
Sign is: being disposed with moving valve (5), shell (6), shell (6) upper end from inside to outside in the solenoid valve seat (9)
Extend outwardly, and the shell (6) lower end is provided with the connector (8) of inner hollow, connector (8) upper end and moving valve
(5) there are gaps between lower end, are threaded with valve nozzle (12) in the elongated end of shell (6), are provided with inside the moving valve (5)
With the air flue (7) being connected in the middle part of connector (8), spring (4) setting is provided in air flue, and on the moving valve (5) side wall
It is connected to inside two through-holes (1) being connected to air flue (7), moving valve (5) upper end and valve nozzle (12), and on valve nozzle (12) top
Multiple fumaroles (2) are provided on circumference；When adjusting gas flow exports, by the changes of magnetic field of electromagnetic coil, make moving valve (5)
It moves in a straight line in the vertical direction, to adjust the contact area size of through-hole (1) Yu shell (6) inner wall；In the valve nozzle
(12) junction of outer wall and shell (6) elongated end inner wall is equipped with O-ring (11)；It further include straight tube (3), the straight tube
(3) lower end is connect with the open end at the top of moving valve (5), and the straight tube (3) is overlapped with the axis of valve nozzle (12).
2. a kind of solenoid valve adjusted for gas flow according to claim 1, it is characterised in that: in the gap
Cushion (10) are installed.
3. a kind of solenoid valve adjusted for gas flow according to claim 1, it is characterised in that: the valve nozzle (12)
The inner wall on top protrudes downward along straight tube (3) axis direction, and the section of protruding portion is semicircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062411.2A CN105485397B (en) | 2016-01-29 | 2016-01-29 | A kind of solenoid valve adjusted for gas flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062411.2A CN105485397B (en) | 2016-01-29 | 2016-01-29 | A kind of solenoid valve adjusted for gas flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105485397A CN105485397A (en) | 2016-04-13 |
| CN105485397B true CN105485397B (en) | 2018-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610062411.2A Active CN105485397B (en) | 2016-01-29 | 2016-01-29 | A kind of solenoid valve adjusted for gas flow |
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| CN (1) | CN105485397B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105804891A (en) * | 2016-03-29 | 2016-07-27 | 成都科力夫科技有限公司 | Fuel gas jetting control method of double-fuel locomotive |
| CN110953394B (en) * | 2019-10-14 | 2022-07-29 | 中国北方发动机研究所(天津) | Electromagnetic valve for nozzle of combustion chamber |
| CN110849629A (en) * | 2019-10-14 | 2020-02-28 | 中国北方发动机研究所(天津) | Adjustable nozzle of turbocharger test bed combustion chamber and combustion chamber |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20010160A1 (en) * | 2001-02-23 | 2002-08-23 | Fiat Ricerche | INTERCEPTION VALVE FOR A GAS INJECTION SYSTEM, IN PARTICULAR METHANE, FOR AN INTERNAL COMBUSTION ENGINE. |
| DE10352287A1 (en) * | 2003-11-08 | 2005-06-09 | Robert Bosch Gmbh | Valve for control of gas supply to vehicle fuel cells or gas engine has tubular vibration damper downstream from valve seat plate which has radial apertures passing through tube walls |
| CN201705500U (en) * | 2010-06-04 | 2011-01-12 | 陆国祥 | High-speed fuel gas spraying solenoid valve for a vehicle |
| CN202707327U (en) * | 2012-06-28 | 2013-01-30 | 石旻磊 | Novel gas jet nozzle and jet rail for installing same used for gas vehicle |
| DE102013202631A1 (en) * | 2013-02-19 | 2014-08-21 | Robert Bosch Gmbh | Valve with adjustable sealing element |
| US20150014448A1 (en) * | 2013-07-12 | 2015-01-15 | Delphi Technologies, Inc. | Valve seat for gaseous fuel injector |
| CN105156234A (en) * | 2015-10-21 | 2015-12-16 | 中国船舶重工集团公司第七�三研究所 | Combination gas blending device for gaseous propellant engine |
| CN205350514U (en) * | 2016-01-29 | 2016-06-29 | 成都杜嘉机电有限公司 | Spout solenoid valve for rail |
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2016
- 2016-01-29 CN CN201610062411.2A patent/CN105485397B/en active Active
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| CN105485397A (en) | 2016-04-13 |
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Effective date of registration: 20201104 Address after: 610000 1-6 / F, No.8, Nanbei Avenue, Chengzi Industrial Park, Yangma Town, Chengdu, Sichuan Province 610000 Patentee after: Sichuan Chengde Blue Sky Environmental Protection Technology Co., Ltd Address before: 610000, No. 1, No. 83, South Street, Xindu town, Xindu District, Sichuan, Chengdu Patentee before: CHENGDU DUJIA ELECTRICAL Co.,Ltd. |
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