CN105691190A - Automotive fuel gas supply device - Google Patents
Automotive fuel gas supply device Download PDFInfo
- Publication number
- CN105691190A CN105691190A CN201610062377.9A CN201610062377A CN105691190A CN 105691190 A CN105691190 A CN 105691190A CN 201610062377 A CN201610062377 A CN 201610062377A CN 105691190 A CN105691190 A CN 105691190A
- Authority
- CN
- China
- Prior art keywords
- groove
- valve
- pipe
- hollow pipe
- housing
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/01—Arrangement of fuel conduits
- B60K15/013—Arrangement of fuel conduits of gas conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/01—Arrangement of fuel conduits
- B60K2015/016—Fuel conduits having more than one internal passage, e.g. for different types of fuel
Abstract
The invention discloses an automotive fuel gas supply device which comprises a gas inlet pipe and a hollow pipe. A plurality of spray holes are formed in the upper end of the hollow pipe. Electromagnetic valves are correspondingly mounted on the spray holes. A groove is formed in the inner wall of the hollow pipe, and the spray holes exactly face the groove. A plurality of electric heating pipes are arranged in the groove side by side. A guide block is mounted at the bottom of each electric heating pipe. Guide grooves matched with the guide blocks are formed in the bottom of the groove. Each electric heating pipe comprises a pipe body, an insulation material with which the pipe body is filled and an electric heating wire arranged in the pipe body. The tail ends of the electric heating wires are connected with binding posts. Small holes communicating with the outside are formed in the end, far away from the gas inlet pipe, of the groove. The binding posts penetrate the small holes to be connected with a wiring plug board. The open end of the groove is covered with a heat conduction plate. The guide blocks are mounted on the lower portions of the pipe bodies of the electric heating pipes and matched with the guide grooves, and therefore the pipe bodies can be mounted more stably, in other words, the electric heating pipes can be fastened without additionally arranging a new fixing structure, and the aim of optimizing an internal structure of a spray rail is achieved.
Description
Technical field
The present invention relates to gas injection rail, specifically refer to a kind of vehicle fuel feeding mechanism。
Background technology
Gas injection rail is necessaries on CNG-gasoline double-fuel car, but when temperature is relatively low, low temperature makes the contraction of gas in low pressure line, forms negative pressure, make gas injection rail open not easily between combustion gas common rail and filter, affects the normal use of gas burning system；Gas injection rail is heated by the mode being adopted hydro-thermal by us so that it is can normal operation, however it is necessary that installation water route, increase pipeline and interfere, it is easy to fluid leakage occurs, increase maintenance difficulties。
Summary of the invention
It is an object of the invention to provide a kind of vehicle fuel feeding mechanism, it is ensured that combustion gas normal through, avoid fuel gas pipeline occurs liquid simultaneously。
The purpose of the present invention is achieved through the following technical solutions:
A kind of vehicle fuel feeding mechanism, including air inlet pipe and hollow pipe in communication, multiple spray-hole is had in hollow pipe upper end, and correspondence is provided with electromagnetic valve on described spray-hole, groove is had at described hollow pipe inwall, and described spray-hole is just to described groove, multiple electrothermal tube it has been arranged side by side in described groove, guide pad is installed bottom electrothermal tube, and the gathering sill matched with guide pad is had at bottom portion of groove, described electrothermal tube includes body, it is filled in the insulant of tubular body and is placed in the heating wire of tubular body, described heating wire end is connected to binding post, groove has, away from one end of air inlet pipe, the aperture being in communication with the outside, binding post runs through aperture and is connected with wiring plate, and on the open end of groove, it is coated with heat-conducting plate, described inside grooves and hollow tube are separated by heat-conducting plate；Also include the overheat protector being placed on hollow pipe inwall, described overheat protector includes housing, support and be arranged on enclosure interior and the static contact cooperated, movable contact spring, described static contact is connected with external power source by wire, it is fixed with the first thermal sensitive piece being from top to bottom sequentially stacked on the bracket, second thermal sensitive piece, and movable contact spring is connected with the end of movable contact spring, described electromagnetic valve includes the solenoid valve seat being provided with solenoid on inwall, moving valve it is disposed with from inside to outside in described solenoid valve seat, housing, described housing upper end stretches out, and the connector of inner hollow it is provided with in described housing lower end, gap is left between connector upper end and moving valve lower end, elongated end at housing is threaded valve nozzle, have inside described moving valve and the air flue connected in the middle part of connector, spring is arranged in air flue, and on described moving valve sidewall, have two through holes connected with air flue, moving valve upper end is internal with valve nozzle to be connected, and on the circumference on valve nozzle top, have multiple fumarole。
When the present invention works, combustion gas is injected directly in hollow pipe by air inlet pipe, and is flowed into after in electromagnetic valve by spray-hole, accurately regulating and then guaranteeing that combustion gas is maintained at the flow output of the best through electromagnetic valve；And relatively low for the air pressure in prior art mesolow pipeline and between the spray rail and the filter that cause, the situation of negative pressure occurs, the inwall place of spray-hole is just had groove at hollow pipe by the present invention, it is heated heating up by the gas circulation region in hollow pipe, utilize the caloric value of electrothermal tube and the heat transmission of heat-conducting plate, make combustion gas in the ambient temperature entered before hollow pipe in hollow pipe relative to extraneous temperature drift, namely the pressure in hollow pipe raises, combustion gas heated intensification to a certain extent after hollow pipe is entered until combustion gas, effectively prevent the flow velocity producing negative pressure between spray rail and filter and affect combustion gas, ensure the normal circulation of combustion gas。And, adopt Electric heating compared with hydro-thermal mode, while there is liquid risk of leakage, the efficiency of heating is greatly improved, and multiple electric heating tube is placed in groove, by wiring plate, the side of groove is sealed, heat loss can be reduced, being also convenient for picking and placeing electrothermal tube, namely user can determine the number of electrothermal tube in real time according to the size of fuel gas supply amount, it is ensured that completes the stable operation to combustion gas output flow with minimum heating cost simultaneously；The body bottom of electrothermal tube is provided with guide pad simultaneously, and guide pad coordinates with gathering sill so that laying of body is more stable, namely need not increase new fixed structure and just be capable of the fastening of electrothermal tube, reaches to optimize the purpose of spray rail internal structure。
Wherein, overheat protector is installed in hollow pipe, namely when the ambient temperature in hollow pipe is too high, the electricity of heating wire directly can be exported and interrupt by overheat protector, prevent heating wire overload or cross stream and damage, concrete control mode is as follows, the main part of housing is placed in hollow pipe inwall, by this partial shell, the ambient temperature in hollow pipe is detected in real time, when temperature is too high, first thermal sensitive piece and the second thermal sensitive piece are because of its different coefficient of expansion, make the first thermal sensitive piece and the second thermal sensitive piece that different bendings occur respectively, namely the movable contact spring being positioned at the first thermal sensitive piece end is made to separate with static contact, heating wire and external power source disconnect；When temperature is returned to normal level, the first thermal sensitive piece and the second thermal sensitive piece reply its state again so that movable contact spring contacts again with static contact, and then ensure that heating wire works on, and so, greatly reduce heating wire and the impaired probability of electrothermal tube。And in the prior art, the supply of combustion gas is directly transmitted often through fuel gas pipeline, does not reach the requirement of precise fine-adjustment in the adjustment of air demand so that gas supply cannot practical requirement；When the present invention works, for supply normal discharge, moving valve contacts with each other with the corresponding end face of connector, and through hole is blocked by inner walls completely, combustion gas enters in air flue by inside connector, flowing in valve nozzle by the open end at air flue top, the fumarole eventually passing valve nozzle top flows out；And when needs increase gas supply amount, by solenoid, the magnetic field around moving valve is changed in solenoid valve seat, make to depart between moving valve and connector, namely moving valve moves up, now, the through hole connected with air flue is internal with valve nozzle gradually to be connected, namely can be passed through in the open end entrance valve nozzle at through hole and moving valve top by the combustion gas of the internal output of connector, the combustion gas input quantity that only need to increase connector place then can increase the combustion gas output that valve nozzle is final, compared with prior art, under the same premise increasing combustion gas input quantity, the output of single gas distribution channel is well below the output of double, two gas distribution channels, and then realize the rate of change of fuel gas supply amount in spray rail, reach the purpose of gas flow flexible modulation。And, the excircle at valve nozzle top arranges multiple fumarole, the combustion gas being suitable in air flue gas quantity when increasing or reduce stably exports, wherein valve nozzle is threadeded with the elongated end of housing, when valve nozzle is impaired, it can be carried out quick-replaceable, and then avoid the integral replacing to the parts such as spool and solenoid valve seat, reduce use cost。
Between multiple described electrothermal tubes parallel with one another。In the lasting use procedure of electrothermal tube, the loss of electrothermal tube is relatively large, namely multiple electrothermal tubes there will be the faults such as damage or short circuit, and multiple electrothermal tubes are arranged to parallel connection by the present invention, namely when single electrothermal tube breaks down, without influence on the normal use of all the other electrothermal tubes, the output flow causing combustion gas to prevent from forming negative pressure between spray rail and filter at low ambient temperatures is not enough。
Being also equipped with aluminium bar at described tubular body, described heating wire winding is on described aluminium bar。When heating wire transships or crosses stream, it is easily caused power of heating wire decline or directly produce fusing, and the aluminium bar installed in body is wound around by heating wire, can ensure that within the regular hour heating wire works on, it is to avoid between spray rail and filter, again form the output flow deficiency of negative pressure and combustion gas。
In described gap, cushion pad is installed。For reducing the impact between moving valve and connector end, at gap location, cushion pad is installed, ensure that on the one hand and the vertical direction that moving valve remains stable for moves back and forth, can also will reduce the abrasion of moving valve end face on the other hand, extend the service life of moving valve。
In the junction of described valve nozzle outer wall Yu housing elongated end inwall, O is installed。Due to valve nozzle with housing elongated end for threadeding, for strengthening the connection sealing between valve nozzle and housing further, O is set and can not only realize strengthening the purpose of sealing property, combustion gas can also be cushioned when ejection to the impact dynamics between housing and valve nozzle junction, the stability overall to ensure device。
Also including straight tube, described straight tube lower end is connected with the open end at moving valve top, the dead in line of described straight tube and valve nozzle。The setting of straight tube shortens combustion gas in the operation distance within valve nozzle, avoid 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 that combustion gas reduces the combustion gas output at fumarole place in the time of staying within valve nozzle simultaneously；And the dead in line of the axis of straight tube and valve nozzle, it is possible to the combustion gas that the combustion gas flowed out in through hole and straight tube flow out is distinguished, but finally converges in fumarole place, it is ensured that the flow ejection efficiency at valve nozzle place。
The inwall on described valve nozzle top highlights down along straight tube axis direction, and the cross section of this protuberance is semicircle。As preferably, if the combustion gas of straight tube end output is applied directly on the inwall on valve nozzle top, launched by plane, combustion gas is likely launched to the sidewall within valve nozzle from the inwall on valve nozzle top, and then extend combustion gas and persist the time in valve nozzle, and the inwall on valve nozzle top highlights down along straight tube axis direction in the present invention, cross section is that combustion gas can be carried out guide effect to a certain extent by semicircular protuberance, namely launching of combustion gas is reduced, guiding gas directly flow to fumarole place along its arc surface, improve the gas flow ejection efficiency at valve nozzle place further。
The present invention compared with prior art, has such advantages as and beneficial effect:
1, the present invention adopts Electric heating compared with hydro-thermal mode, while there is liquid risk of leakage, the efficiency of heating is greatly improved, and multiple electric heating tube is placed in the groove of arc, by wiring plate, the side of groove is sealed, heat loss can be reduced, be also convenient for picking and placeing electrothermal tube simultaneously, namely user can determine the number of electrothermal tube in real time according to the size of fuel gas supply amount, it is ensured that completes the 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 liquid risk of leakage, the efficiency of heating is greatly improved, and multiple electric heating tube is placed in the groove of arc, by wiring plate, the side of groove is sealed, heat loss can be reduced, be also convenient for picking and placeing electrothermal tube simultaneously, namely user can determine the number of electrothermal tube in real time according to the size of fuel gas supply amount, it is ensured that completes the stable operation to combustion gas output flow with minimum heating cost；
3, the present invention is when heating wire transships or crosses stream, it is easily caused power of heating wire decline or directly produce fusing, and the aluminium bar installed in body is wound around by heating wire, can ensure that within the regular hour heating wire works on, it is to avoid between spray rail and filter, again form the output flow deficiency of negative pressure and combustion gas。
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes the part of the application, is not intended that the restriction to the embodiment of the present invention。In the accompanying drawings:
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the structural representation of electrothermal tube；
Fig. 3 is the structural representation of overheat protector；
Fig. 4 is the structural representation of electromagnetic valve；
Labelling and corresponding parts title in accompanying drawing:
1-air inlet pipe, 2-hollow pipe, 3-spray-hole, 4-groove, 5-heat-conducting plate, 6-electromagnetic valve, 7-electrothermal tube, 8-wiring plate, 9-overheat protector, 10-body, 11-insulant, 12-heating wire, 13-guide pad, 14-aluminum rod, 15-binding post, 16-wire, 17-housing, 18-electro-insulating rubber, 19-static contact, 20-movable contact spring, 21-the first thermal sensitive piece, 22-the second thermal sensitive piece, 23-support, 24-through hole, 25-fumarole, 26-straight tube, 27-spring, 28-moving valve, 29-housing, 30-air flue, 31-connector, 32-solenoid valve seat, 33-cushion pad, 34-O type circle, 35-valve nozzle。
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment and the explanation thereof of the present invention are only used for explaining the present invention, not as a limitation of the invention。
Embodiment 1
As shown in Fig. 1 ~ Fig. 4, the present embodiment includes air inlet pipe 1 and hollow pipe 2 in communication, multiple spray-hole 3 is had in hollow pipe 2 upper end, and correspondence is provided with electromagnetic valve 6 on described spray-hole 3, the groove 4 that cross section is major arc is had at described hollow pipe 2 inwall, and described spray-hole 3 is just to described groove 4, multiple electrothermal tube 7 it has been arranged side by side in described groove 4, guide pad 13 is installed bottom electrothermal tube 7, and bottom groove 4, have the gathering sill matched with guide pad 13, described electrothermal tube 7 includes body 10, it is filled in the insulant 11 within body 10 and is placed in the heating wire 12 within body 10, described heating wire 12 end is connected to binding post 9, groove 4 has, away from one end of air inlet pipe 1, the aperture being in communication with the outside, binding post 9 runs through aperture and is connected with wiring plate 8, and on the open end of groove 4, it is coated with heat-conducting plate 5, heat-conducting plate 5 is by spaced-apart in internal for described groove 4 and hollow pipe 2；Also include the overheat protector 9 being placed on hollow pipe 2 inwall; described overheat protector 9 includes housing 17, support 23 and is arranged on housing 17 inside and the static contact 19 cooperated, movable contact spring 20; described static contact 19 is connected with external power source by wire 16; described support 23 is fixed with first thermal sensitive piece the 21, second thermal sensitive piece 22 being from top to bottom sequentially stacked, and movable contact spring 20 is connected with the end of movable contact spring 20；Described electromagnetic valve 6 includes the solenoid valve seat 32 being provided with solenoid on inwall, moving valve 28 it is disposed with from inside to outside in described solenoid valve seat 32, housing 29, described housing 29 upper end stretches out, and the connector 31 of inner hollow it is provided with in described housing 29 lower end, gap is left between connector 31 upper end and moving valve 28 lower end, elongated end at housing 29 is threaded valve nozzle 35, described moving valve 28 is internal to be had and the air flue 30 connected in the middle part of connector 31, spring 27 is arranged in air flue 30, and on described moving valve 28 sidewall, have two through holes 24 connected with air flue 30, moving valve 28 upper end is internal with valve nozzle 35 to be connected, and on the circumference on valve nozzle 35 top, have multiple fumarole 25。
During work, combustion gas is injected directly in hollow pipe 2 by air inlet pipe 1, and is flowed into after in electromagnetic valve 6 by spray-hole 3, accurately regulating and then guaranteeing that combustion gas is maintained at the flow output of the best through electromagnetic valve 6；And relatively low for the air pressure in prior art mesolow pipeline and between the spray rail and the filter that cause, the situation of negative pressure occurs, the inwall place of spray-hole 3 is just had groove 4 at hollow pipe 2 by the present embodiment, the heating that heats up is carried out by the gas circulation region in hollow pipe 2, utilize the caloric value of electrothermal tube 7 and the heat transmission of heat-conducting plate 5, make combustion gas in the ambient temperature entered before hollow pipe 2 in hollow pipe 2 relative to extraneous temperature drift, namely the pressure in hollow pipe 2 raises, combustion gas heated intensification to a certain extent after hollow pipe 2 is entered until combustion gas, effectively prevent the flow velocity producing negative pressure between spray rail and filter and affect combustion gas, ensure the normal circulation of combustion gas。In supply operation, for supply normal discharge, moving valve 28 contacts with each other with the corresponding end face of connector 31, and through hole 24 is blocked by housing 29 inwall completely, combustion gas enters in air flue 30 by connector 31 is internal, being flowed in valve nozzle 35 by the open end at air flue 30 top, the fumarole 25 eventually passing valve nozzle 35 top flows out；And when needs increase gas supply amount, by solenoid, the magnetic field around moving valve 28 is changed in solenoid valve seat 32, make to depart between moving valve 28 and connector 31, namely moving valve 28 moves up, now, the through hole 24 connected with air flue 30 is internal with valve nozzle 35 gradually to be connected, namely can be passed through in the open end entrance valve nozzle 35 at through hole 24 and moving valve 28 top by the combustion gas of the internal output of connector 31, the combustion gas input quantity that only need to increase connector 31 place then can increase the combustion gas output that valve nozzle 35 is final, compared with prior art, under the same premise increasing combustion gas input quantity, the output of single gas distribution channel is well below the output of double, two gas distribution channels, and then realize the rate of change of fuel gas supply amount in spray rail, reach the purpose of gas flow flexible modulation。And, the excircle at valve nozzle 35 top arranges multiple fumarole 25, the combustion gas being suitable in air flue 30 gas quantity when increasing or reduce stably exports, wherein valve nozzle 35 is threadeded with the elongated end of housing 29, when valve nozzle 35 is impaired, it can be carried out quick-replaceable, and then avoid the integral replacing to parts such as spool and solenoid valve seats 32, reduce use cost。
And, adopt Electric heating compared with hydro-thermal mode, while there is liquid risk of leakage, the efficiency of heating is greatly improved, and multiple electric heating tube is placed in the groove 4 of arc, by wiring plate 8, the side of groove 4 is sealed, heat loss can be reduced, being also convenient for picking and placeing electrothermal tube 7, namely user can determine the number of electrothermal tube 7 in real time according to the size of fuel gas supply amount, it is ensured that completes the stable operation to combustion gas output flow with minimum heating cost simultaneously。Overheat protector 9 is installed in hollow pipe 2, namely when the ambient temperature in hollow pipe 2 is too high, the electricity of heating wire 12 directly can be exported and interrupt by overheat protector 9, prevent heating wire 12 from transshipping or cross stream and damage, concrete control mode is as follows, the main part of housing 17 is placed in hollow pipe 2 inwall, by this partial shell 17, the ambient temperature in hollow pipe 2 is detected in real time, wire 16 is sealed by electro-insulating rubber 18 with the junction of static contact 19 simultaneously, when temperature is too high, first thermal sensitive piece 21 from the second thermal sensitive piece 22 because of its different coefficient of expansion, make the first thermal sensitive piece 21, from the second thermal sensitive piece 22, different bendings occur respectively, namely the movable contact spring 20 being positioned at the first thermal sensitive piece 21 end is made to separate with static contact 19, heating wire 12 and external power source disconnect；When temperature is returned to normal level, first thermal sensitive piece 21 and the second thermal sensitive piece 22 reply its state again so that movable contact spring 20 contacts again with static contact 19, and then ensure that heating wire 12 works on, so, heating wire 12 and the impaired probability of electrothermal tube are greatly reduced。
Wherein, in the lasting use procedure of electrothermal tube 7, the loss of electrothermal tube 7 is relatively large, namely multiple electrothermal tubes 7 there will be the faults such as damage or short circuit, and multiple electrothermal tubes 7 are arranged to parallel connection by the present embodiment, namely, when single electrothermal tube 7 breaks down, without influence on the normal use of all the other electrothermal tubes 7, the output flow causing combustion gas to prevent from forming negative pressure between spray rail and filter at low ambient temperatures is not enough；Body 10 bottom of electrothermal tube 7 is provided with guide pad 13 simultaneously, and guide pad 13 coordinates with gathering sill so that laying of body 10 is more stable, namely need not increase new fixed structure and just be capable of the fastening of electrothermal tube 7, reaches to optimize the purpose of spray rail internal structure。
The present embodiment is reduce the impact between moving valve 28 and connector 31 end, at gap location, cushion pad 33 is installed, ensure that on the one hand and the vertical direction that moving valve 28 remains stable for moves back and forth, can also will reduce the abrasion of moving valve 28 end face on the other hand, extend the service life of moving valve 28。Due to valve nozzle 35 with housing 29 elongated end for threadeding, for strengthening the connection sealing between valve nozzle 35 and housing 29 further, O 34 is set and can not only realize strengthening the purpose of sealing property, combustion gas can also be cushioned when ejection to the impact dynamics between housing 29 and valve nozzle 35 junction, the stability overall to ensure device。
The present embodiment also includes straight tube 17, and described straight tube 17 lower end is connected with the open end at moving valve 28 top, the dead in line of described straight tube 17 and valve nozzle 35。The setting of straight tube 17 shortens combustion gas in the operation distance within valve nozzle 35, avoid when increasing gas supply amount, by forming wadding stream between the combustion gas flowed out in the combustion gas ejected in through hole 24 and moving valve 28 open-top end, cause that combustion gas reduces the combustion gas output at fumarole 25 place in the time of staying within valve nozzle 35 simultaneously；And the dead in line of the axis of straight tube 17 and valve nozzle 35, it is possible to the combustion gas that the combustion gas flowed out in through hole 24 and straight tube 17 flow out is distinguished, but finally converges in fumarole 25 place, it is ensured that the flow ejection efficiency at valve nozzle 35 place。
As preferably, if the combustion gas of straight tube 17 end output is applied directly on the inwall on valve nozzle 35 top, launched by plane, combustion gas is likely launched to the sidewall within valve nozzle 35 from the inwall on valve nozzle 35 top, and then extend combustion gas and persist the time in valve nozzle 35, and the inwall on valve nozzle 35 top highlights down along straight tube 17 axis direction in the present invention, cross section is that combustion gas can be carried out guide effect to a certain extent by semicircular protuberance, namely launching of combustion gas is reduced, guiding gas directly flow to fumarole 25 place along its arc surface, improve the gas flow ejection efficiency at valve nozzle 35 place further。
As preferably, being also equipped with aluminium bar 14 inside described body 10, described heating wire 12 is wrapped on described aluminium bar 14。When heating wire 12 transships or crosses stream, it is easily caused heating wire 12 power drop or directly produces fusing, and the aluminium bar 14 installed in body 10 is wound around by heating wire 12, can ensure that within the regular hour heating wire 12 works on, it is to avoid between spray rail and filter, again form the output flow deficiency of negative pressure and combustion gas。
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。
Claims (7)
1. a vehicle fuel feeding mechanism, including air inlet pipe (1) and hollow pipe (2) in communication, multiple spray-hole (3) is had in hollow pipe (2) upper end, and in described spray-hole (3) upper correspondence, electromagnetic valve (6) is installed, it is characterized in that: have groove (4) at described hollow pipe (2) inwall, and described spray-hole (3) is just to described groove (4), multiple electrothermal tube (7) it has been arranged side by side in described groove (4), electrothermal tube (7) bottom is provided with guide pad (13), and have, in groove (4) bottom, the gathering sill matched with guide pad (13), described electrothermal tube (7) includes body (10), it is filled in the internal insulant (11) of body (10) and is placed in the heating wire (12) that body (10) is internal, described heating wire (12) end is connected to binding post (9), groove (4) has, away from one end of air inlet pipe (1), the aperture being in communication with the outside, binding post (9) runs through aperture and is connected with wiring plate (8), and on the open end of groove (4), it is coated with heat-conducting plate (5), heat-conducting plate (5) is by internal for described groove (4) and hollow pipe (2) interior spaced-apart；Also include the overheat protector (9) being placed on hollow pipe (2) inwall; described overheat protector (9) includes housing (17), support (23) and is arranged on housing (17) inside and the static contact (19) cooperated, movable contact spring (20); described static contact (19) is connected with external power source by wire (16); described support (23) is fixed with the first thermal sensitive piece (21), the second thermal sensitive piece (22) that are from top to bottom sequentially stacked, and movable contact spring (20) is connected with the end of movable contact spring (20)；Described electromagnetic valve (6) includes the solenoid valve seat (32) being provided with solenoid on inwall, moving valve (28) it is disposed with from inside to outside in described solenoid valve seat (32), housing (29), described housing (29) upper end stretches out, and the connector (31) of inner hollow it is provided with in described housing (29) lower end, gap is left between connector (31) upper end and moving valve (28) lower end, elongated end at housing (29) is threaded valve nozzle (35), described moving valve (28) is internal has the air flue (30) connected with connector (31) middle part, spring (27) is arranged in air flue, and on described moving valve (28) sidewall, have two through holes (24) connected with air flue (30), moving valve (28) upper end is internal with valve nozzle (35) to be connected, and on the circumference on valve nozzle (35) top, have multiple fumarole (25)。
2. a kind of vehicle fuel feeding mechanism according to claim 1, it is characterised in that: parallel with one another between multiple described electrothermal tubes (7)。
3. a kind of vehicle fuel feeding mechanism according to claim 1, it is characterised in that: being also equipped with aluminium bar (14) in described body (10) inside, described heating wire (12) is wrapped on described aluminium bar (14)。
4. a kind of vehicle fuel feeding mechanism according to claim 1, it is characterised in that: cushion pad (33) is installed in described gap。
5. a kind of vehicle fuel feeding mechanism according to claim 1, it is characterised in that: in the junction of described valve nozzle (35) outer wall Yu housing (29) elongated end inwall, O (34) is installed。
6. a kind of vehicle fuel feeding mechanism according to claim 1, it is characterized in that: also include straight tube (26), described straight tube (26) lower end is connected with the open end at moving valve (28) top, the dead in line of described straight tube (26) and valve nozzle (35)。
7. a kind of vehicle fuel feeding mechanism according to claim 6, it is characterised in that: the inwall on described valve nozzle (35) top highlights down along straight tube (26) axis direction, and the cross section of this protuberance is semicircle。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062377.9A CN105691190B (en) | 2016-01-29 | 2016-01-29 | A kind of vehicle fuel feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610062377.9A CN105691190B (en) | 2016-01-29 | 2016-01-29 | A kind of vehicle fuel feeding mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105691190A true CN105691190A (en) | 2016-06-22 |
| CN105691190B CN105691190B (en) | 2019-01-15 |
Family
ID=56229706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610062377.9A Active CN105691190B (en) | 2016-01-29 | 2016-01-29 | A kind of vehicle fuel feeding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105691190B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840345A (en) * | 2016-03-29 | 2016-08-10 | 成都科力夫科技有限公司 | Fuel gas supply method of double-fuel locomotive |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2112363A2 (en) * | 2008-04-23 | 2009-10-28 | Volkswagen AG | Gas tank emptying system for emptying gas pressure containers |
| CN201338529Y (en) * | 2009-02-02 | 2009-11-04 | 上海华普汽车有限公司 | Fuel gas guide rail fixing device for a CNG automobile |
| CN201437329U (en) * | 2009-05-19 | 2010-04-14 | 上海华普汽车有限公司 | Automobile CNG system and carautomobile |
| US8807256B2 (en) * | 2012-11-21 | 2014-08-19 | Trilogy Engineered Solutions, LLC | Methods and systems for compressed natural gas (CNG) |
| CN104279082A (en) * | 2013-07-05 | 2015-01-14 | 成都杜嘉机电有限公司 | Gas ejector |
| WO2015031325A1 (en) * | 2013-08-30 | 2015-03-05 | dHybrid Systems, LLC | Vehicle fueling manifold assembly |
| CN104747322A (en) * | 2015-01-23 | 2015-07-01 | 四川森洁燃气设备有限公司 | Spray rail for multi-cylinder vehicle |
| CN105393032A (en) * | 2013-07-23 | 2016-03-09 | Ｋｙｂ株式会社 | Control valve |
| CN205349558U (en) * | 2016-01-29 | 2016-06-29 | 成都杜嘉机电有限公司 | CNG spouts rail with adjustable flow |
-
2016
- 2016-01-29 CN CN201610062377.9A patent/CN105691190B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2112363A2 (en) * | 2008-04-23 | 2009-10-28 | Volkswagen AG | Gas tank emptying system for emptying gas pressure containers |
| CN201338529Y (en) * | 2009-02-02 | 2009-11-04 | 上海华普汽车有限公司 | Fuel gas guide rail fixing device for a CNG automobile |
| CN201437329U (en) * | 2009-05-19 | 2010-04-14 | 上海华普汽车有限公司 | Automobile CNG system and carautomobile |
| US8807256B2 (en) * | 2012-11-21 | 2014-08-19 | Trilogy Engineered Solutions, LLC | Methods and systems for compressed natural gas (CNG) |
| CN104279082A (en) * | 2013-07-05 | 2015-01-14 | 成都杜嘉机电有限公司 | Gas ejector |
| CN105393032A (en) * | 2013-07-23 | 2016-03-09 | Ｋｙｂ株式会社 | Control valve |
| WO2015031325A1 (en) * | 2013-08-30 | 2015-03-05 | dHybrid Systems, LLC | Vehicle fueling manifold assembly |
| CN104747322A (en) * | 2015-01-23 | 2015-07-01 | 四川森洁燃气设备有限公司 | Spray rail for multi-cylinder vehicle |
| CN205349558U (en) * | 2016-01-29 | 2016-06-29 | 成都杜嘉机电有限公司 | CNG spouts rail with adjustable flow |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840345A (en) * | 2016-03-29 | 2016-08-10 | 成都科力夫科技有限公司 | Fuel gas supply method of double-fuel locomotive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105691190B (en) | 2019-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205349558U (en) | CNG spouts rail with adjustable flow | |
| CN105604743A (en) | Gas injection device for automobile | |
| CN205349563U (en) | CNG that can stabilize air feed spouts rail | |
| CN205349561U (en) | Spout rail with flow control function | |
| CN105691190A (en) | Automotive fuel gas supply device | |
| CN205349559U (en) | Car air feeder | |
| CN205349557U (en) | Gas supply system with prevent gradually freezing and flow control function | |
| CN205477978U (en) | Gas spraying rail | |
| CN205477980U (en) | CNG gas system | |
| CN105604740A (en) | CNG (Compressed Natural Gas) injection system for automobile | |
| CN105840345A (en) | Fuel gas supply method of double-fuel locomotive | |
| CN105626314A (en) | Anti-freezing CNG air feeder | |
| CN205477979U (en) | CNG gas spraying rail | |
| CN105715410A (en) | Multi-point gas injection rail | |
| CN105840348A (en) | Fuel gas injection system for dual-fuel automobile | |
| CN105649821A (en) | Jet auxiliary control system of dual-fuel automobile | |
| CN105781802A (en) | Air jet adjusting and control method of double-fuel engine | |
| CN205349556U (en) | Gas spraying rail with prevent gradually freezing function | |
| CN205349562U (en) | Gas spraying rail of accurate regulation and control of gas can carry out | |
| CN105673262A (en) | Supply gas pre-heating method for dual-fuel automobiles | |
| CN105604742A (en) | Combustible gas injection system for dual-fuel locomotive | |
| CN105673261A (en) | Fuel gas supply heating method for dual-fuel automobiles | |
| CN105545526A (en) | Gas injection rail for automobile | |
| CN105715411A (en) | Anti-freezing CNG injection rail | |
| CN105840349A (en) | Rail type gas injection method for dual-fuel automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201106 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. |