CN105545526A - Gas injection rail for automobile - Google Patents
Gas injection rail for automobile Download PDFInfo
- Publication number
- CN105545526A CN105545526A CN201610062328.5A CN201610062328A CN105545526A CN 105545526 A CN105545526 A CN 105545526A CN 201610062328 A CN201610062328 A CN 201610062328A CN 105545526 A CN105545526 A CN 105545526A
- Authority
- CN
- China
- Prior art keywords
- electric heating
- groove
- tube
- hollow tube
- gas injection
- 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.)
- Pending
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
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- 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
- F02M21/06—Apparatus for de-liquefying, e.g. by heating
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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 discloses a gas injection rail for an automobile. The gas injection rail comprises a gas inlet tube and a hollow tube, wherein a groove of which the cross section is a major arc is formed in the inner wall of the hollow tube; injection holes are over against the arc bottom of the groove; a plurality of electric heating tubes are arranged in the groove; a guide block is arranged at the bottoms of the electric heating tubes; a guide groove fit with the guide block is formed in the bottom of the groove; the electric heating tubes comprise tube bodies, insulating materials and electric heating wires; the tube bodies are internally filled with the insulating materials; the electric heating wires are arranged in the tube bodies; the tail ends of the electric heating wires are connected with wiring terminals; the wiring terminals penetrate through small holes to be connected with a wiring plugboard; and the open end of the groove is covered with a heat conduction plate. The electric heating tubes are placed in the arc-shaped groove, and the side end of the groove is sealed by the wiring plugboard, so that heat loss can be reduced, and the taking and placing of the electric heating tubes are facilitated, that is a user can determine the number of the electric heating tubes in real time according to the gas supply quantity, thereby ensuring that stable operation on a gas output flow is accomplished with the least heating cost.
Description
Technical field
The present invention relates to gas injection rail, specifically refer to a kind of automobile gas injection rail.
Background technique
Gas injection rail is necessaries on CNG-gasoline double-fuel car, but when temperature is lower, low temperature makes the contraction of gas in low pressure line, between combustion gas common rail and filter, form negative pressure, makes gas injection rail open not easily, affects the normal use of gas burning system; Adopt the mode of hydro-thermal to heat gas injection rail by us, can normally work, but need water route is installed, increase pipeline and interfere, easily occur fluid leakage, increase maintenance difficulties.
Summary of the invention
The object of the present invention is to provide a kind of automobile gas injection rail, ensure combustion gas normal through, avoid occurring liquid in fuel gas pipeline simultaneously.
Object of the present invention is achieved through the following technical solutions:
A kind of automobile gas injection rail, the hollow tube comprising suction tude and be communicated with it, multiple spray-hole is had in hollow tube upper end, and correspondence is provided with solenoid valve on described spray-hole, the groove that cross section is major arc is had at described hollow tube inwall, and at the bottom of the arc of described spray-hole just to described groove, in described groove, multiple electric heating tube is installed, bottom electric heating tube, guide pad is installed, and the guiding groove matched with guide pad is had at bottom portion of groove, described electric heating tube comprises body, be filled in the insulating material of tubular body and be placed in the electric heating wire of tubular body, described electric heating wire end is connected with wiring terminal, groove has away from one end of suction tude the aperture be in communication with the outside, wiring terminal runs through aperture and is connected with wiring plate, and heat conduction board is coated with on the open end of groove, described inside grooves and hollow tube are separated by heat conduction board, also comprise the overheat protector be placed on hollow tube inwall, described overheat protector one end is connected with wiring plate, and the overheat protector the other end is connected with external power supply.When the present invention works, combustion gas is injected directly in hollow tube by suction tude, and is flowed into after in solenoid valve by spray-hole, through solenoid valve fine adjustment so that guarantee that combustion gas remains on best flow and exports, and lower for the air pressure in prior art mesolow pipeline and occur the situation of negative pressure between the spray rail caused and filter, the present invention just has groove to the inwall place of spray-hole at hollow tube, and the cross section of groove is major arc shape, wrap up by the gas circulation region in hollow tube, utilize the heating value of electric heating tube and the heat trnasfer of heat conduction board, make the ambient temperature of combustion gas before entering hollow tube in hollow tube relative to the temperature drift in the external world, namely the pressure in hollow tube raises, combustion gas is entered after hollow tube to a certain extent by heat temperature raising until combustion gas, effectively prevent and produce negative pressure between spray rail and filter and affect the flow velocity of combustion gas, ensure the normal circulation of combustion gas.And, adopt Electric heating compared with hydro-thermal mode, while there is leak of liquid risk, the efficiency of heating improves greatly, and multiple electric heating tube is placed in the groove of arc, is sealed by the side of wiring plate to groove, heat loss can be reduced, simultaneously also convenient picking and placeing electric heating tube, namely user can determine the number of electric heating tube in real time according to the size of fuel gas supply amount, ensures to complete stable operation to combustion gas output flow with minimum heating cost; The body bottom of electric heating tube is provided with guide pad simultaneously; guide pad coordinates with guiding groove; make laying of body more stable; namely do not need to increase new fixed structure and just can realize the fastening of electric heating tube; reach the object optimizing spray rail internal structure, and the overheat protector installed can at electric heating wire timely deenergization during overheated or overcurrent, avoid occurring electric heating wire overload and impaired; keep reconnecting power supply when stablizing in temperature, to ensure the heating inner continual and steady to spray rail.
Parallel with one another between multiple described electric heating tube.In the lasting using process of electric heating tube, the loss of electric heating tube is relatively large, namely there will be the faults such as damage or short circuit in multiple electric heating tube, and multiple electric heating tube is arranged to parallel connection by the present invention, namely when single electric heating tube breaks down, the normal use of all the other electric heating tubes can not be affected, form negative pressure between rail and filter to prevent from spraying at low ambient temperatures and cause the output flow of combustion gas not enough.
Multiple described electric heating tube is evenly distributed in the circular arc passage that described groove and heat conduction board formed.As preferably, multiple electric heating tube is uniformly distributed, the circulation environment of combustion gas in hollow tube is made to be subject to the homogeneous radiation of heat all the time, there is not the situation that local temperature is too high or too low, thoroughly stop to spray at low ambient temperatures between rail and filter and occur negative pressure condition, improve the circulation efficiency of combustion gas.
Also be provided with aluminium bar at described tubular body, described heating wire winding is on described aluminium bar.When electric heating wire overload or overcurrent, power of heating wire is easily caused to decline or directly produce fusing, and body in install aluminium bar be wound around by electric heating wire, can ensure that within the regular hour electric heating wire works on, avoid spraying the output flow deficiency again forming negative pressure and combustion gas between rail and filter.
The present invention compared with prior art, has following advantage and beneficial effect:
1, the present invention adopts Electric heating compared with hydro-thermal mode, while there is leak of liquid risk, the efficiency of heating improves greatly, and multiple electric heating tube is placed in the groove of arc, sealed by the side of wiring plate to groove, heat loss can be reduced, also facilitate picking and placeing electric heating tube simultaneously, namely user can determine the number of electric heating tube in real time according to the size of fuel gas supply amount, ensures to complete stable operation to combustion gas output flow with minimum heating cost;
2, the present invention adopts Electric heating compared with hydro-thermal mode, while there is leak of liquid risk, the efficiency of heating improves greatly, and multiple electric heating tube is placed in the groove of arc, sealed by the side of wiring plate to groove, heat loss can be reduced, also facilitate picking and placeing electric heating tube simultaneously, namely user can determine the number of electric heating tube in real time according to the size of fuel gas supply amount, ensures to complete stable operation to combustion gas output flow with minimum heating cost;
3, multiple electric heating tube is uniformly distributed by the present invention, the circulation environment of combustion gas in hollow tube is made to be subject to the homogeneous radiation of heat all the time, there is not the situation that local temperature is too high or too low, thoroughly stop to spray at low ambient temperatures between rail and filter and occur negative pressure condition, improve the circulation efficiency of combustion gas.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the sectional view of Fig. 1;
Fig. 3 is the structural representation of electric heating tube;
Mark and corresponding component title in accompanying drawing:
1-suction tude, 2-hollow tube, 3-spray-hole, 4-groove, 5-heat conduction board, 6-solenoid valve, 7-electric heating tube, 8-wiring plate, 9-overheat protector, 10-body, 11-insulating material, 12-electric heating wire, 13-guide pad, 14-aluminium bar, 15-wiring terminal.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Fig. 1 ~ Fig. 3, the hollow tube 2 that the present embodiment comprises suction tude 1 and is communicated with it, multiple spray-hole 3 is had in hollow tube 2 upper end, and correspondence is provided with solenoid valve 6 on described spray-hole 3, the groove 4 that cross section is major arc is had at described hollow tube 2 inwall, and at the bottom of the arc of described spray-hole 3 just to described groove 4, in described groove 4, multiple electric heating tube 7 is installed, guide pad 13 is installed bottom electric heating tube 7, and bottom groove 4, have the guiding groove matched with guide pad 13, described electric heating tube 7 comprises body 10, be filled in the insulating material 11 of body 10 inside and be placed in the electric heating wire 12 of body 10 inside, described electric heating wire 12 end is connected with wiring terminal 15, groove 4 has away from one end of suction tude 1 aperture be in communication with the outside, wiring terminal 15 runs through aperture and is connected with wiring plate 8, and heat conduction board 5 is coated with on the open end of groove 4, heat conduction board 5 is opened inner for described groove 4 with hollow tube 2 interior separation, also comprise the overheat protector 9 be placed on hollow tube 2 inwall, described overheat protector 9 one end is connected with wiring plate 8, and overheat protector 9 the other end is connected with external power supply.
During work, combustion gas is injected directly in hollow tube 2 by suction tude 1, and is flowed into after in solenoid valve 6 by spray-hole 3, through solenoid valve 6 fine adjustment so that guarantee that combustion gas remains on best flow and exports, and lower for the air pressure in prior art mesolow pipeline and occur the situation of negative pressure between the spray rail caused and filter, the present embodiment just has groove 4 to the inwall place of spray-hole 3 at hollow tube 2, and the cross section of groove 4 is major arc shape, wrap up by the gas circulation region in hollow tube 2, utilize the heating value of electric heating tube 7 and the heat trnasfer of heat conduction board 5, make the ambient temperature of combustion gas before entering hollow tube 2 in hollow tube 2 relative to the temperature drift in the external world, namely the pressure in hollow tube 2 raises, combustion gas is entered after hollow tube 2 to a certain extent by heat temperature raising until combustion gas, effectively prevent and produce negative pressure between spray rail and filter and affect the flow velocity of combustion gas, ensure the normal circulation of combustion gas.
And, adopt Electric heating compared with hydro-thermal mode, while there is leak of liquid risk, the efficiency of heating improves greatly, and multiple electric heating tube is placed in the groove 4 of arc, is sealed by the side of wiring plate 8 pairs of grooves 4, heat loss can be reduced, simultaneously also convenient picking and placeing electric heating tube 7, namely user can determine the number of electric heating tube 7 in real time according to the size of fuel gas supply amount, ensures to complete stable operation to combustion gas output flow with minimum heating cost; Body 10 bottom of electric heating tube 7 is provided with guide pad 13 simultaneously; guide pad 13 coordinates with guiding groove; make laying of body 10 more stable; namely do not need to increase new fixed structure and just can realize the fastening of electric heating tube 7; reach the object optimizing spray rail internal structure; and the overheat protector 9 installed can at electric heating wire 12 timely deenergization during overheated or overcurrent; avoid occurring that electric heating wire 12 transships and impaired; keep reconnecting power supply when stablizing in temperature, to ensure the heating inner continual and steady to spray rail.
Wherein, in the lasting using process of electric heating tube 7, the loss of electric heating tube 7 is relatively large, namely there will be the faults such as damage or short circuit in multiple electric heating tube 7, and multiple electric heating tube 7 is arranged to parallel connection by the present embodiment, namely when single electric heating tube 7 breaks down, the normal use of all the other electric heating tubes 7 can not be affected, form negative pressure between rail and filter to prevent from spraying at low ambient temperatures and cause the output flow of combustion gas not enough.
As preferably, multiple electric heating tube 7 is uniformly distributed, the circulation environment of combustion gas in hollow tube 2 is made to be subject to the homogeneous radiation of heat all the time, there is not the situation that local temperature is too high or too low, thoroughly stop to spray at low ambient temperatures between rail and filter and occur negative pressure condition, improve the circulation efficiency of combustion gas.
As preferably, be also provided with aluminium bar 14 in described body 10 inside, described electric heating wire 12 is wrapped on described aluminium bar 14.Transship when electric heating wire 12 or overcurrent time, easily cause electric heating wire 12 power drop or directly produce fusing, and the aluminium bar 14 installed in body 10 be wound around by electric heating wire 12, can ensure within the regular hour that electric heating wire 12 works on, avoid spraying the output flow deficiency again forming negative pressure and combustion gas between rail and filter.
Above-described embodiment; object of the present invention, technological scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. an automobile gas injection rail, the hollow tube (2) comprising suction tude (1) and be communicated with it, multiple spray-hole (3) is had in hollow tube (2) upper end, and in described spray-hole (3) upper correspondence, solenoid valve (6) is installed, it is characterized in that: have at described hollow tube (2) inwall the groove (4) that cross section is major arc, and at the bottom of the arc of described spray-hole (3) just to described groove (4), multiple electric heating tube (7) is installed in described groove (4), electric heating tube (7) bottom is provided with guide pad (13), and have in groove (4) bottom the guiding groove matched with guide pad (13), described electric heating tube (7) comprises body (10), be filled in the inner insulating material (11) of body (10) and be placed in the inner electric heating wire (12) of body (10), described electric heating wire (12) end is connected with wiring terminal (15), groove (4) has away from one end of suction tude (1) the aperture be in communication with the outside, wiring terminal (15) runs through aperture and is connected with wiring plate (8), and on the open end of groove (4), be coated with heat conduction board (5), heat conduction board (5) is opened inner for described groove (4) with hollow tube (2) interior separation, also comprise the overheat protector (9) be placed on hollow tube (2) inwall, described overheat protector (9) one end is connected with wiring plate (8), and overheat protector (9) the other end is connected with external power supply.
2. a kind of automobile gas injection rail according to claim 1, is characterized in that: parallel with one another between multiple described electric heating tube (7).
3. a kind of automobile gas injection rail according to claim 1, is characterized in that: multiple described electric heating tube (7) is evenly distributed in the circular arc passage that described groove (4) and heat conduction board (5) formed.
4. according to claim 1 a kind ofly have the anti-gas injection rail gradually freezing function, and it is characterized in that: be also provided with aluminium bar (14) in described body (10) inside, described electric heating wire (12) is wrapped on described aluminium bar (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062328.5A CN105545526A (en) | 2016-01-29 | 2016-01-29 | Gas injection rail for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062328.5A CN105545526A (en) | 2016-01-29 | 2016-01-29 | Gas injection rail for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105545526A true CN105545526A (en) | 2016-05-04 |
Family
ID=55824989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610062328.5A Pending CN105545526A (en) | 2016-01-29 | 2016-01-29 | Gas injection rail for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105545526A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107803813A (en) * | 2017-10-27 | 2018-03-16 | 四川森洁燃气设备有限公司 | A kind of CNG gas injection rails support assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220921A (en) * | 2010-04-13 | 2011-10-19 | 上海格令汽车电子有限公司 | Integrated gas supply device for gaseous propellant engine system |
| CN202578947U (en) * | 2012-05-08 | 2012-12-05 | 河南欧意环保科技股份有限公司 | Gas injection valve for electric heating automobile |
| CN103591631A (en) * | 2013-11-12 | 2014-02-19 | 成都科盛石油科技有限公司 | Heater for camping house |
| CN103835838A (en) * | 2012-11-20 | 2014-06-04 | 上海大众联合汽车改装有限公司 | Valve type anti-freezing gas spray rail suitable for vehicle gas system |
| CN103912424A (en) * | 2014-02-14 | 2014-07-09 | 上海依相动力系统有限公司 | Current driving type natural gas nozzle assembly |
| CN204003213U (en) * | 2014-05-28 | 2014-12-10 | 王逸翔 | A kind of diesel injection pump fuel Heating gasoline-saving device |
| CN104653333A (en) * | 2015-01-23 | 2015-05-27 | 四川森洁燃气设备有限公司 | Injection rail |
| KR20150091949A (en) * | 2014-02-04 | 2015-08-12 | 주식회사 현대케피코 | LPG Supply Device having Injector Cup with Fuel Inlet and Outlet |
| CN204572250U (en) * | 2015-04-29 | 2015-08-19 | 成都柯恩斯科技有限公司 | Valve type is anti-gradually freezes gas injection rail |
-
2016
- 2016-01-29 CN CN201610062328.5A patent/CN105545526A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102220921A (en) * | 2010-04-13 | 2011-10-19 | 上海格令汽车电子有限公司 | Integrated gas supply device for gaseous propellant engine system |
| CN202578947U (en) * | 2012-05-08 | 2012-12-05 | 河南欧意环保科技股份有限公司 | Gas injection valve for electric heating automobile |
| CN103835838A (en) * | 2012-11-20 | 2014-06-04 | 上海大众联合汽车改装有限公司 | Valve type anti-freezing gas spray rail suitable for vehicle gas system |
| CN103591631A (en) * | 2013-11-12 | 2014-02-19 | 成都科盛石油科技有限公司 | Heater for camping house |
| KR20150091949A (en) * | 2014-02-04 | 2015-08-12 | 주식회사 현대케피코 | LPG Supply Device having Injector Cup with Fuel Inlet and Outlet |
| CN103912424A (en) * | 2014-02-14 | 2014-07-09 | 上海依相动力系统有限公司 | Current driving type natural gas nozzle assembly |
| CN204003213U (en) * | 2014-05-28 | 2014-12-10 | 王逸翔 | A kind of diesel injection pump fuel Heating gasoline-saving device |
| CN104653333A (en) * | 2015-01-23 | 2015-05-27 | 四川森洁燃气设备有限公司 | Injection rail |
| CN204572250U (en) * | 2015-04-29 | 2015-08-19 | 成都柯恩斯科技有限公司 | Valve type is anti-gradually freezes gas injection rail |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107803813A (en) * | 2017-10-27 | 2018-03-16 | 四川森洁燃气设备有限公司 | A kind of CNG gas injection rails support assembly |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160504 |