CN103670807A - Dual fuel engine absorbing moving type natural gas ejection solenoid valve - Google Patents
Dual fuel engine absorbing moving type natural gas ejection solenoid valve Download PDFInfo
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- CN103670807A CN103670807A CN201310697726.0A CN201310697726A CN103670807A CN 103670807 A CN103670807 A CN 103670807A CN 201310697726 A CN201310697726 A CN 201310697726A CN 103670807 A CN103670807 A CN 103670807A
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- hole
- natural gas
- central shaft
- armature
- cone valve
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- 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
Abstract
The invention aims at providing a dual fuel engine absorbing moving type natural gas ejection solenoid valve which comprises a connector assembly, a sliding bearing, a spring, a coil, a magnetism conducting shell body, a back shell body, an armature, a fastening nut, a bearing seat, a central shaft, a taper valve, a front end cover and other parts. The absorbing moving principle is adopted. Through holes are formed in the center of a central shaft (10) and the radial direction of the taper valve (11). When the coil (4) is powered on, the armature (7) is attracted, natural gas sequentially passes through the through hole of the central shaft (10), the radial hole of the taper valve (11), and the clearance between the taper valve (11) and the front end (12), and finally is ejected. According to the dual fuel engine absorbing moving type natural gas ejection solenoid valve, the absorbing principle is used for controlling opening and closing of the taper valve, so that the ejection of natural gas is controlled. The dual fuel engine absorbing moving type natural gas ejection solenoid valve has the advantages of being simple in drive process, compact in space structure, quick in response speed, and long in service life.
Description
Technical field
What the present invention relates to is a kind of rock gas or duel fuel engine, specifically the injection electromagnetic valve of rock gas or duel fuel engine.
Background technique
Along with the minimizing of petroleum reserves, finding the alternative fuel of diesel engine becomes an important topic gradually.Compare with traditional fuel, the rock gas thermal efficiency is high, and antiknock quality are good, reduces noxious emission successful, with low cost, and the alternative fuel that is suitable as very much diesel engine is used.
Because gas fuel attribute is different from diesel oil, need to transform conventional diesel engine part of the fuel supply.Gas injector, its effect is that appropriate rock gas is provided to firing chamber as required, its precision and stability directly have influence on the functional reliability of motor, are vitals in duel fuel engine.Compare the feature such as it is high that electromagnetic injection valve has gas flow, and outlet pressure is steady, and reaction velocity is fast, long service life with other forms of gas spray valve.
Chinese patent 200920261120.1 has proposed a kind of electromagnetic valve for jetting automobile gas fuel by electrical control, and its feature comprises: valve body, coil, power socket, spool, insulating bush, catch, connecting sleeve, valve seat, air inlet nozzle, blast nozzle, valve block, Compress Spring etc.; Between the cylinder in connecting sleeve and catch, catch and valve body, insulating bush and spool, air inlet nozzle and connecting sleeve, valve seat and the endoporus of connecting sleeve and the junction plane between blast nozzle and valve seat, one seal washer is housed respectively.It,, for to motor car engine supply combustible fuel gas, uses the needs of gaseous fuel to meet automobile.
Chinese patent 201020219402.8 discloses a kind of high-speed fuel gas injection electromagnetic valve for vehicles, and its a part of quilt cover enters the fixed core of magnetic conduction end cap, the fixing shell with tenminal block in one end, outer end of fixed core, and the other end is valve seat; One end of fixed core is connected with gas inlet, and the other end connects moving iron core, inner hollow, and inwall both sides are with copper pipe; Be fixed on the coil rack of fixed core, on it, be wound with the electromagnetic coil being wrapped up by coil case; Spring fitting is between the endoporus of fixed core and the recess of moving iron core, and the other end of moving iron core is fixed with diaphragm seal, and the outer end of moving iron core is valve seat, and the end of valve seat is provided with nozzle.
Chinese patent 201120076243.5 discloses a kind of injecting electromagnetic valve for gas common rail system, comprises moving iron core, static iron core.The center of described static iron core is provided with a piston groove, and moving iron core and piston groove match, and the bottom of moving iron core is provided with spring fitting groove, in spring fitting groove, is provided with spring.Owing to having adopted technique scheme, at the center of static iron core, offer a piston groove matching with moving iron core, at bottom slot the built-in spring of moving iron core, moving iron core moves in the piston groove at static iron core center, has reduced the impact force of moving iron core and static iron core.
Above related patent structure all comparatively complicated, functional reliability is affected.
Summary of the invention
The object of the present invention is to provide the duel fuel engine that can control the natural gas injection of natural gas engine and duel fuel engine to inhale dynamic formula natural gas injection solenoid valve.
The object of the present invention is achieved like this:
Duel fuel engine of the present invention is inhaled dynamic formula natural gas injection solenoid valve, it is characterized in that: comprise magnetic conduction casing, bearing support, central shaft, front cover, magnetic conduction casing, bearing support, central shaft is radially provided with through hole, magnetic conduction casing and bearing support left and right are arranged, central shaft is arranged in the through hole of magnetic conduction casing and bearing support, the first sliding bearing and the second sliding bearing are installed respectively on the through-hole wall of magnetic conduction casing and bearing support, central shaft matches with the first sliding bearing and the second sliding bearing respectively, the front end of central shaft is installed cone valve, the end of cone valve is solid construction, in the direction vertical with central shaft through hole of cone valve middle part, have cone valve hole, cone valve hole is connected with central shaft through hole, front cover is connected with bearing support, front cover is hollow structure, on front cover, be provided with air outlet hole, cone valve is positioned in the hollow structure of front cover, the air outlet hole shape of front cover and cone valve end shape match and air outlet hole is positioned on the track of cone valve motion, between magnetic conduction casing and bearing support, armature is set, the shaft shoulder and tightening nut are set on central shaft, armature is fixed on by tightening nut on the shaft shoulder of central shaft with central shaft synchronizing moving, mounting spring between the shaft shoulder and the first sliding bearing, circular groove is set on magnetic conduction casing, coil is installed in circular groove, coil is by connection connector assembly, magnetic conduction casing left end arranges inlet hole, the through hole of central shaft is communicated with inlet hole.
The present invention can also comprise:
1, after described coil switch power, armature moves to magnetic conduction casing under the effect of magnetic force, when armature is positioned at high order end, between armature and magnetic conduction casing, there is gap, after coil blackout, armature moves to bearing support under the effect of spring, and cone valve end enters in air outlet hole and by air outlet hole and seals.
2,, when armature is positioned at high order end, the distance between armature and magnetic conduction casing is 0.5-1mm.
3, on the first sliding bearing and the second sliding bearing, annular lubrication groove is set.
4, described magnetic conduction casing and armature adopt soft magnetic material.
5, described cone valve hole has four, on the circumference of Qi place, four cone valve holes, becomes cross to be uniformly distributed.
Advantage of the present invention is: the present invention utilizes and inhales the switching that dynamic formula principle is controlled cone valve, and the injection of rock gas is controlled, and its driving process is simple, and spatial structure is compact, and fast response time has advantages of long service life simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is sliding bearing schematic diagram of the present invention;
Fig. 3 is cone valve schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, for example the present invention is described in more detail:
In conjunction with Fig. 1～3, the present invention proposes a kind of new suction dynamic formula natural gas injection electromagnetic valve device, can control the natural gas injection of duel fuel engine.
The present invention is comprised of parts such as connector assembly 1, sliding bearing 2, spring 3, coil 4, magnetic conduction casing 5, rear case 6, armature 7, tightening nut 8, bearing support 9, central shaft 10, cone valve 11, front covers 12.Adopt to inhale dynamic formula principle, at central shaft 10 center and cone valve 11 radially have through hole, after coil 4 energisings, armature 7 adhesives, rock gas is successively by the through hole of central shaft 10, the radial hole of cone valve 11, and the gap of 12 of cone valve 11 and front covers, finally ejection, space is compact, simple in structure.Central shaft 10 adopts sliding bearing 2 to realize straight line motion, is processed with annular lubrication groove on sliding bearing 2, can store lubricant oil, reduces friction, selects sliding bearing to reduce the diameter dimension of whole valve body simultaneously.Magnetic conduction casing 5 and armature 7 adopt soft magnetic material, and other adopt non-magnet material, produce magnetic field, and among soft magnetic material, form magnetic circuit after coil 4 energisings, drive armature 7 and drive central shaft 10 straight line motions; After coil 4 power-off, magnetic field disappears, and under the effect of spring 3, central shaft 10 resets.In central shaft 10 and 7 mounting spring 3 of armature, guarantee that valve is in normally off.In order to prevent that armature 7 from contacting with magnetic conduction casing 5 when the adhesive, and make after coil 4 power-off because hysteresis effect armature 7 does not reset, when design, the shaft shoulder of central shaft 10 fixed armatures is near retaining the distance of 0.5-1mm between a side end face of magnetic conduction casing 5 and the side end face of armature 7 near magnetic conduction casing 5, shaft shoulder diameter is greater than the aperture that sliding bearing 2 is installed in magnetic conduction casing 5.Central shaft 10 centers are in axial direction processed with a through hole, cone valve 11 be radially processed with through hole, central shaft 10 is threaded connection with cone valve 11, the radial hole of the central through bore of central shaft 10 and cone valve 11 communicates.
The object of the present invention is achieved like this: central shaft 10 adopts sliding bearing 2 to realize straight line motion, is processed with annular lubrication groove on sliding bearing 2, can store lubricant oil, reduces friction, selects sliding bearing to reduce the diameter dimension of whole valve body simultaneously.Central shaft 10 centers are in axial direction processed with a through hole, cone valve 11 be radially processed with through hole, central shaft 10 is threaded connection with cone valve 11, the radial hole of the central through bore of central shaft 10 and cone valve 11 communicates.Magnetic conduction casing 5 and armature 7 adopt soft magnetic material, and other adopt non-magnet material, and armature 7 is fixing by locking nut 8.
During original state, central shaft 10, under the pulling force of spring 3, promotes cone valve 11 and makes solenoid valve normally closed; When connector assembly 1 switches on power, coil winding 4 is alived, at magnetic conduction casing 5, form electromagnetic field and hold armature 7, armature 7 drives central shaft to overcome spring tension and drives cone valve 11, solenoid valve is opened, and natural gas flow is through the ejection of the gap of center hole, cone valve 11 radial holes and the cone valve front end of central shaft 10.The shaft shoulder of central shaft 10 fixed armatures is the distance near reserved 0.5-1mm between a side end face of magnetic conduction casing 5 near a side end face of magnetic conduction casing 5 and armature 7, prevent that armature 7 from contacting with magnetic conduction casing 5 when adhesive, due to hysteresis effect make coil 4 power-off after armature 7 do not reset.
Between the shaft shoulder left end face of central shaft 10 fixed armatures 7 and armature 7 left end face, retain air gap, avoid coil 4 power-off after hysteresis effect cause armature 7 not reset.The through-hole aperture of central shaft 10 is 5mm, and coil winding adopts 1.5mm wire gauge, 50 circles, and magnetic conduction casing 5 and armature 7 adopt DT4 material.Coil winding 4 is arranged on central shaft 10, and by permeability magnetic material, DT4 surrounds.During coil 4 no electric circuit, central shaft 10, under the pulling force of spring 3, promotes cone valve 11 and makes solenoid valve normally closed.Central shaft 10 adopts sliding bearing 2 to realize straight line motion, is processed with annular lubrication groove on sliding bearing 2, can store lubricant oil, reduces friction, selects sliding bearing to reduce the diameter dimension of whole valve body simultaneously.After coil 4 energising, armature 7 adhesives, rock gas successively by the through hole of central shaft 10, the gap of 12 of the radial hole of cone valve 11, cone valve 11 and front covers, finally ejection.
Claims (10)
1. duel fuel engine is inhaled dynamic formula natural gas injection solenoid valve, it is characterized in that: comprise magnetic conduction casing, bearing support, central shaft, front cover, magnetic conduction casing, bearing support, central shaft is radially provided with through hole, magnetic conduction casing and bearing support left and right are arranged, central shaft is arranged in the through hole of magnetic conduction casing and bearing support, the first sliding bearing and the second sliding bearing are installed respectively on the through-hole wall of magnetic conduction casing and bearing support, central shaft matches with the first sliding bearing and the second sliding bearing respectively, the front end of central shaft is installed cone valve, the end of cone valve is solid construction, in the direction vertical with central shaft through hole of cone valve middle part, have cone valve hole, cone valve hole is connected with central shaft through hole, front cover is connected with bearing support, front cover is hollow structure, on front cover, be provided with air outlet hole, cone valve is positioned in the hollow structure of front cover, the air outlet hole shape of front cover and cone valve end shape match and air outlet hole is positioned on the track of cone valve motion, between magnetic conduction casing and bearing support, armature is set, the shaft shoulder and tightening nut are set on central shaft, armature is fixed on by tightening nut on the shaft shoulder of central shaft with central shaft synchronizing moving, mounting spring between the shaft shoulder and the first sliding bearing, circular groove is set on magnetic conduction casing, coil is installed in circular groove, coil is by connection connector assembly, magnetic conduction casing left end arranges inlet hole, the through hole of central shaft is communicated with inlet hole.
2. duel fuel engine according to claim 1 is inhaled dynamic formula natural gas injection solenoid valve, it is characterized in that: after described coil switch power, armature moves to magnetic conduction casing under the effect of magnetic force, when armature is positioned at high order end, between armature and magnetic conduction casing, there is gap, after coil blackout, armature moves to bearing support under the effect of spring, and cone valve end enters in air outlet hole and by air outlet hole and seals.
3. duel fuel engine according to claim 2 is inhaled dynamic formula natural gas injection solenoid valve, it is characterized in that: when armature is positioned at high order end, the distance between armature and magnetic conduction casing is 0.5-1mm.
4. according to the arbitrary described duel fuel engine of claim 1-3, inhale dynamic formula natural gas injection solenoid valve, it is characterized in that: on the first sliding bearing and the second sliding bearing, annular lubrication groove is set.
5. according to the arbitrary described duel fuel engine of claim 1-3, inhale dynamic formula natural gas injection solenoid valve, it is characterized in that: described magnetic conduction casing and armature adopt soft magnetic material.
6. duel fuel engine according to claim 4 is inhaled dynamic formula natural gas injection solenoid valve, it is characterized in that: described magnetic conduction casing and armature adopt soft magnetic material.
7. according to the arbitrary described duel fuel engine of claim 1-3, inhale dynamic formula natural gas injection solenoid valve, it is characterized in that: described cone valve hole has four, on the circumference of Qi place, four cone valve holes, become cross to be uniformly distributed.
8. duel fuel engine according to claim 4 is inhaled dynamic formula natural gas injection solenoid valve, it is characterized in that: described cone valve hole has four, on the circumference of Qi place, four cone valve holes, becomes cross to be uniformly distributed.
9. duel fuel engine according to claim 5 is inhaled dynamic formula natural gas injection solenoid valve, it is characterized in that: described cone valve hole has four, on the circumference of Qi place, four cone valve holes, becomes cross to be uniformly distributed.
10. duel fuel engine according to claim 6 is inhaled dynamic formula natural gas injection solenoid valve, it is characterized in that: described cone valve hole has four, on the circumference of Qi place, four cone valve holes, becomes cross to be uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697726.0A CN103670807B (en) | 2013-12-18 | 2013-12-18 | Dynamic formula natural gas injection solenoid valve inhaled by duel fuel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697726.0A CN103670807B (en) | 2013-12-18 | 2013-12-18 | Dynamic formula natural gas injection solenoid valve inhaled by duel fuel engine |
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| CN103670807A true CN103670807A (en) | 2014-03-26 |
| CN103670807B CN103670807B (en) | 2015-12-02 |
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| CN201310697726.0A Expired - Fee Related CN103670807B (en) | 2013-12-18 | 2013-12-18 | Dynamic formula natural gas injection solenoid valve inhaled by duel fuel engine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613214A (en) * | 2014-12-30 | 2015-05-13 | 芜湖市金宇石化设备有限公司 | Valve element of solenoid valve |
| CN104633230A (en) * | 2014-12-30 | 2015-05-20 | 芜湖市金宇石化设备有限公司 | Novel magnetic valve core |
| CN107131074A (en) * | 2017-06-28 | 2017-09-05 | 哈尔滨工程大学 | A kind of integrated form ring manifold wall gaseous fuel jet mixing device with piezo actuator |
| CN108413104A (en) * | 2018-02-14 | 2018-08-17 | 尹祖军 | A kind of gas path control method and solenoid valve of through-type solenoid valve |
| CN111373341A (en) * | 2017-11-21 | 2020-07-03 | 罗伯特·博世有限公司 | Metering valve and injection pump unit for controlling a gaseous medium |
| US10808858B2 (en) | 2017-10-17 | 2020-10-20 | Automotive Technologies International, Inc. | High speed valve |
| CN112324972A (en) * | 2019-08-05 | 2021-02-05 | 伊希欧1控股有限公司 | Actuator for hydraulic valve and hydraulic valve |
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| DE3337652A1 (en) * | 1983-10-17 | 1985-04-25 | Mannesmann Rexroth GmbH, 8770 Lohr | Solenoid valve |
| DE3909551A1 (en) * | 1989-03-22 | 1990-10-04 | Rexroth Mannesmann Gmbh | Solenoid valve |
| DE19836516A1 (en) * | 1997-08-16 | 1999-02-18 | Eks Elektromagnetik Dr Scheuer | Electromagnetic linear motor especially for proportional valve drive |
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| WO2009135701A1 (en) * | 2008-05-08 | 2009-11-12 | Pierburg Gmbh | Electromagnetic valve |
| CN202926503U (en) * | 2012-11-13 | 2013-05-08 | 成都柯恩斯贸易有限公司 | Novel high-speed jet solenoid valve for gas vehicle and jet rail for installation of novel high-speed jet solenoid valve |
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2013
- 2013-12-18 CN CN201310697726.0A patent/CN103670807B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3337652A1 (en) * | 1983-10-17 | 1985-04-25 | Mannesmann Rexroth GmbH, 8770 Lohr | Solenoid valve |
| DE3909551A1 (en) * | 1989-03-22 | 1990-10-04 | Rexroth Mannesmann Gmbh | Solenoid valve |
| DE19836516A1 (en) * | 1997-08-16 | 1999-02-18 | Eks Elektromagnetik Dr Scheuer | Electromagnetic linear motor especially for proportional valve drive |
| JP2000320555A (en) * | 1999-05-11 | 2000-11-24 | Koyo Seiko Co Ltd | Shaft assembly and valve mechanism provided therewith |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104613214A (en) * | 2014-12-30 | 2015-05-13 | 芜湖市金宇石化设备有限公司 | Valve element of solenoid valve |
| CN104633230A (en) * | 2014-12-30 | 2015-05-20 | 芜湖市金宇石化设备有限公司 | Novel magnetic valve core |
| CN107131074A (en) * | 2017-06-28 | 2017-09-05 | 哈尔滨工程大学 | A kind of integrated form ring manifold wall gaseous fuel jet mixing device with piezo actuator |
| CN107131074B (en) * | 2017-06-28 | 2023-08-01 | 哈尔滨工程大学 | Integrated annular manifold wall surface gas fuel injection mixing device with piezoelectric actuator |
| US10808858B2 (en) | 2017-10-17 | 2020-10-20 | Automotive Technologies International, Inc. | High speed valve |
| CN111373341A (en) * | 2017-11-21 | 2020-07-03 | 罗伯特·博世有限公司 | Metering valve and injection pump unit for controlling a gaseous medium |
| CN108413104A (en) * | 2018-02-14 | 2018-08-17 | 尹祖军 | A kind of gas path control method and solenoid valve of through-type solenoid valve |
| CN112324972A (en) * | 2019-08-05 | 2021-02-05 | 伊希欧1控股有限公司 | Actuator for hydraulic valve and hydraulic valve |
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| Publication number | Publication date |
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| CN103670807B (en) | 2015-12-02 |
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Granted publication date: 20151202 Termination date: 20211218 |
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