CN104595061B - Double-mixer gas supply system - Google Patents
Double-mixer gas supply system Download PDFInfo
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- CN104595061B CN104595061B CN201510022411.5A CN201510022411A CN104595061B CN 104595061 B CN104595061 B CN 104595061B CN 201510022411 A CN201510022411 A CN 201510022411A CN 104595061 B CN104595061 B CN 104595061B
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- gas
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- air inlet
- blender
- interface
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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 relates to a double-mixer gas supply system which comprises a pressure reducer, a gas rail assembly, a gas-mixing assembly and an engine gas inlet pipe, wherein a gas outlet end of the pressure reducer is communicated with a gas inlet end of the gas-mixing assembly through the gas rail assembly; a gas outlet end of the gas-mixing assembly is communicated with the engine gas inlet pipe; the gas-mixing assembly comprises a gas distributing control valve, a near-end mixer and a far-end mixer; the gas distributing control valve comprises a gas inlet interface, a near-end gas outlet interface and a far-end gas outlet interface; the gas inlet interface is communicated with a gas outlet end of the gas rail assembly; the near-end gas outlet interface is communicated with the engine gas inlet pipe through the near-end mixer; the far-end gas outlet interface successively passes through the far-end mixer and the near-end mixer and then is communicated with the engine gas inlet pipe; an air inlet communicated with an air filter is formed in the far-end mixer. The design for the double-mixer gas supply system can ensure the uniform mixing of gas and air, can effectively prevent temper and never prolongs the response time for the acceleration and deceleration of the vehicle.
Description
Technical field
The present invention relates to a kind of gas engine gas mixer, more particularly, to a kind of pair of blender fuel gas supply system
System, it is particularly applicable to improve combustion gas mix with air uniformity, do not affect vehicle response speed simultaneously.
Background technology
The effect of blender is the place providing air to mix with natural gas, and whether the gaseous mixture being formed in blender is equal
The even performance output directly affecting electromotor and the uniformity of each cylinder working, the uneven gas of mixing carries out burning can be led to send out
The serious consequences such as motivation scuffing of cylinder bore.The unfavorable factor brought for installation dimension and anti-backfire, blender often arrange be arranged on away from
From the nearest position of air inlet pipe.But the blender that near-end is installed is unfavorable for when high engine speeds operate forming uniform mixing
Gas, causes each cylinder working of electromotor uneven.For example: if Chinese patent Authorization Notice No. is cn2929217y, authorized announcement date
Disclose a kind of liquefied natural gas distributor for taxi in August, 2007 utility model patent of 1 day, belong to air distributing device,
Fluid reservoir passes through liquid valve and flow-limiting valve is connected with gasifier, and gasifier passes through low-voltage solenoid valve, air relief valve and dynamic valve and mixes
Clutch connects, and blender connects electromotor, and water tank is connected with electromotor by pipeline, and electromotor passes through circulating water pipe and gasifier
Connect, liquidometer display is connected with the signal adapter being placed in fluid reservoir.This utility model response time is shorter, but
Its blender directly communicates with engine intake that to easily cause mixed gas uneven.
If blender is arranged in the position away from engine intake, that is, add between blender and air inlet pipe
, still there is unfavorable factor in dress extension tube.In vehicle launch and anxious acceleration, due to blender position farther out, combustion gas needs logical
Spending the relatively long time can be only achieved in engine intake, causes the response of automobile acceleration-deceleration slack-off, is unfavorable for safe driving,
And it is larger to be tempered risk.
In sum, if only setting near-end blender causes gas mixing uneven, cause each cylinder working of electromotor not
Uniformly；If only arranging far-end blender, cause the response time of combustion gas gas circuit long impact automobile acceleration and deceleration.Therefore, above-mentioned
The equal existing defects of two ways, are unfavorable for the normal operation of electromotor.
Content of the invention
The purpose of the present invention is to overcome the uneven problem of mixed gas present in prior art, provides a kind of mixed gas uniform
Double blender gas supply systems.
For realizing object above, the technical solution of the present invention is:
A kind of pair of blender gas supply system, including decompressor, gas rail assembly, mixed gas assembly and engine air inlet tube,
The outlet side of described decompressor is communicated with the inlet end of mixed gas assembly by gas rail assembly, the outlet side of described mixed gas assembly with send out
Motivation air inlet pipe communicates；
Described mixed gas assembly includes combustion gas dividing control valve, near-end blender and far-end blender, described combustion gas distribution control
Valve processed includes intake interface, near-end is given vent to anger interface, far-end are given vent to anger interface, the outlet side phase of described intake interface and gas rail assembly
Logical, described far-end interface of giving vent to anger is communicated with the far-end fuel gas inlet of far-end blender, the main air inlet of far-end of described far-end blender
Mouth is communicated with air filter, and the far-end gas outlet of far-end blender is communicated with the near-end primary air inlet of near-end blender, near-end
Near-end fuel gas inlet and the near-end of blender interface of giving vent to anger communicates, the near-end gas outlet of near-end blender and engine air inlet tube phase
Logical.
Described combustion gas dividing control valve also includes base and the motor being mounted thereon and diaphragm electromagnetic valve, described enter
Gas interface is communicated with the air inlet of the diaphragm electromagnetic valve in base, motor air inlet bottom cavity respectively, described diaphragm electromagnetic valve
Gas outlet and far-end interface of giving vent to anger communicates；The top of described motor air inlet bottom cavity and the bottom phase in motor air inlet top chamber
Logical, the sidepiece in motor air inlet top chamber and near-end interface of giving vent to anger communicates, and one end of the output shaft of described motor is arranged at
The inside of motor, the other end of output shaft is arranged at motor air inlet top chamber, and output shaft end is provided with cone seal
Plug, the bottom conical surface of described cone seal plug is coordinated with the top chamber wall sealing of motor air inlet bottom cavity.
The outside of described output shaft is arranged with holddown spring, and described holddown spring is arranged at housing and the taper of motor
Between sealing-plug.
Compared with prior art, the invention has the benefit that
1st, matched using combustion gas dividing control valve and two blenders in a kind of pair of blender gas supply system of the present invention
Close the mixing completing combustion gas and air, the distribution combustion gas of combustion gas dividing control valve enters near-end blender and far-end blender, originally sets
Meter arranges near-end blender and far-end blender simultaneously, controls near-end blender and far-end blender using combustion gas dividing control valve
Air inflow, while guaranteeing that mixed gas is uniform, do not affect the response time of automobile acceleration and deceleration, tempering phenomenon will not occur.Cause
This, the mixed gas of the design is uniform, automobile acceleration and deceleration fast response time.
2nd, the combustion gas dividing control valve in a kind of pair of blender gas supply system of the present invention utilizes motor and diaphragm
Solenoid valve control combustion gas enters the flow of near-end blender and far-end blender, and diaphragm electromagnetic valve only has break-make two states, and
Motor can be according to the position of the different Operating condition adjustment cone seal plugs of electromotor, thus controlling near-end blender air inlet to lead to
The throughput in road, increases or decreases the gas content entering in engine intake mixed gas in time, enables mixed gas system
On the basis of mixed uniformly, do not extend the response time of electromotor, in effectively solving prior art, mixed gas is uniformly fast with response
Contradiction between degree.Therefore, the design mixes that gas uniformity is good, fast response time.
Brief description
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of combustion gas dividing control valve in Fig. 1.
Fig. 3 is the explosive view of combustion gas dividing control valve in Fig. 1.
In figure: decompressor 1, gas rail assembly 2, mixed gas assembly 3, near-end blender 31, far-end blender 32, the main air inlet of far-end
Mouthfuls 33, far-end fuel gas inlet 34, far-end gas outlet 35, near-end primary air inlet 36, near-end fuel gas inlet 37, near-end gas outlet 38,
Engine air inlet tube 4, combustion gas dividing control valve 5, intake interface 51, near-end give vent to anger interface 52, far-end give vent to anger interface 53, base 6,
Motor 7, motor air inlet bottom cavity 71, motor air inlet top chamber 72, output shaft 73, cone seal plug 74, compression bullet
Spring 75, diaphragm electromagnetic valve 8, air inlet 81, gas outlet 82.
Specific embodiment
Below in conjunction with brief description and specific embodiment, the present invention is further detailed explanation.
Referring to Fig. 1 to Fig. 3, a kind of pair of blender gas supply system, including decompressor 1, gas rail assembly 2, mixed gas assembly 3
With engine air inlet tube 4, the outlet side of described decompressor 1 is communicated with the inlet end of mixed gas assembly 3 by gas rail assembly 2, described
The outlet side of mixed gas assembly 3 is communicated with engine air inlet tube 4；
Described mixed gas assembly 3 includes combustion gas dividing control valve 5, near-end blender 31 and far-end blender 32, described combustion gas
Dividing control valve 5 includes intake interface 51, near-end is given vent to anger interface 52, far-end are given vent to anger interface 53, described intake interface 51 and gas rail
The outlet side of assembly 2 communicates, and described far-end interface 53 of giving vent to anger is communicated with the far-end fuel gas inlet 34 of far-end blender 32, described remote
The far-end primary air inlet 33 of end blender 32 is communicated with air filter, and the far-end gas outlet 35 of far-end blender 32 and near-end mix
The near-end primary air inlet 36 of clutch 31 communicates, and near-end fuel gas inlet 37 and the near-end of near-end blender 31 interface 52 of giving vent to anger communicates,
The near-end gas outlet 38 of near-end blender 31 is communicated with engine air inlet tube 4.
Described combustion gas dividing control valve 5 also includes base 6 and the motor 7 being mounted thereon and diaphragm electromagnetic valve 8, institute
State intake interface 51 to communicate with the air inlet 81 of the diaphragm electromagnetic valve 8 in base 6, motor air inlet bottom cavity 71 respectively, described
Gas outlet 82 and the far-end of diaphragm electromagnetic valve 8 interface 53 of giving vent to anger communicates；The top of described motor air inlet bottom cavity 71 and stepping
The bottom in motor air inlet top chamber 72 communicates, and the sidepiece in motor air inlet top chamber 72 and near-end interface 52 of giving vent to anger communicates, described step
One end of the output shaft 73 of stepper motor 7 is arranged at the inside of motor 7, and the other end of output shaft 73 is arranged at motor and enters
Pneumatic jack chamber 72, output shaft 73 end is provided with cone seal plug 74, the bottom conical surface of described cone seal plug 74 and motor air inlet
The top chamber wall sealing cooperation of bottom cavity 71.
The outside of described output shaft 73 is arranged with holddown spring 75, and described holddown spring 75 is arranged at the shell of motor 7
Between body and cone seal plug 74.
The principle of the present invention is described as follows:
In the design, fuel gas flow enters engine air inlet tube 4, energy after far-end blender 32, near-end blender 31
It is enough that combustion gas is sufficiently mixed with the air entering far-end blender 32, subsequently into each combusted cylinder.
Fuel gas flow directly enters engine air inlet tube 4, this gas circuit by combustion gas dividing control valve 5 after near-end blender 31
For supplying under idling mode, or helping air supply under automobile high-speed state, in order to shorten response time, accomplish to add in time
Slow down.
In the design, ecu according to data such as engine speed, throttle positions come interpretation load, thus controlling two to hold
Row device diaphragm electromagnetic valve 8 and the action of motor 7.In the high rotating speed of electromotor, WOT, electromagnetic valve is opened, combustion gas
Mainly enter air inlet pipe through far-end blender 32, now motor is in small guide vane or closed mode；In the slow-speed of revolution, section
During valve-closing, ecu judges that electromotor is in idling, and diaphragm electromagnetic valve 8 is closed, and motor 7 is opened corresponding according to ecu instruction
Aperture.
Note: diaphragm electromagnetic valve 8 only has two kinds of working conditions of switch, does not have half-open half closed state, and motor is then root
It is believed that number to control aperture size, being divided into 225 steps to be gradually completing whole aperture.
The open and-shut mode of aperture and diaphragm electromagnetic valve 8 by adjusting motor 7 for the design controls combustion gas distribution control
The supply distribution of valve 5 processed, to ensure not affecting response speed while the mixed gas of combustion gas is uniform.
Tempering: in prior art, if the outfan of blender is connected with engine air inlet tube 4 by appendix
(i.e. blender is arranged at electromotor far-end), does not have fire retardant device between engine air inlet tube 4 and appendix, mixed in appendix
Close gas to be susceptible to burn, tempering phenomenon occurs.As the outfan of blender is directly connected (i.e. with engine air inlet tube 4
Blender is arranged at electromotor near-end), then will not be tempered.The design is provided with near-end blender 31 and is provided with far-end again
Blender 32, can prevent the generation of tempering phenomenon guaranteeing mixed gas while uniform.
Embodiment 1:
Referring to Fig. 1 to Fig. 3, a kind of pair of blender gas supply system, including decompressor 1, gas rail assembly 2, mixed gas assembly 3
With engine air inlet tube 4, the outlet side of described decompressor 1 is communicated with the inlet end of mixed gas assembly 3 by gas rail assembly 2, described
The outlet side of mixed gas assembly 3 is communicated with engine air inlet tube 4；Described mixed gas assembly 3 includes combustion gas dividing control valve 5, near-end mixes
Clutch 31 and far-end blender 32, described combustion gas dividing control valve 5 includes intake interface 51, near-end is given vent to anger interface 52, far-end go out
Gas interface 53, described intake interface 51 is communicated with the outlet side of gas rail assembly 2, and described far-end is given vent to anger interface 53 and far-end blender
32 far-end fuel gas inlet 34 communicates, and the far-end primary air inlet 33 of described far-end blender 32 is communicated with air filter, far-end
The far-end gas outlet 35 of blender 32 is communicated with the near-end primary air inlet 36 of near-end blender 31, the near-end combustion of near-end blender 31
Gas entrance 37 and near-end interface 52 of giving vent to anger communicates, and the near-end gas outlet 38 of near-end blender 31 is communicated with engine air inlet tube 4；Institute
State combustion gas dividing control valve 5 and also include base 6 and the motor 7 being mounted thereon and diaphragm electromagnetic valve 8, described intake interface
51 are communicated with the air inlet 81 of the diaphragm electromagnetic valve 8 in base 6, motor air inlet bottom cavity 71 respectively, described diaphragm electromagnetic valve 8
Gas outlet 82 and far-end interface 53 of giving vent to anger communicate；The top of described motor air inlet bottom cavity 71 and motor air inlet top chamber
72 bottom communicates, and the sidepiece in motor air inlet top chamber 72 and near-end interface 52 of giving vent to anger communicates, the output of described motor 7
One end of axle 73 is arranged at the inside of motor 7, and the other end of output shaft 73 is arranged at motor air inlet top chamber 72, output
Axle 73 end is provided with cone seal plug 74, the top chamber of the bottom conical surface of described cone seal plug 74 and motor air inlet bottom cavity 71
Wall sealing cooperation；The outside of described output shaft 73 is arranged with holddown spring 75, and described holddown spring 75 is arranged at motor 7
Between housing and cone seal plug 74.
Claims (3)
1. a kind of pair of blender gas supply system, including decompressor (1), gas rail assembly (2), mixed gas assembly (3) and electromotor
Air inlet pipe (4), the outlet side of described decompressor (1) is communicated with the inlet end of mixed gas assembly (3) by gas rail assembly (2), described
The outlet side of mixed gas assembly (3) communicate with engine air inlet tube (4) it is characterised in that:
Described mixed gas assembly (3) includes combustion gas dividing control valve (5), near-end blender (31) and far-end blender (32), described
Combustion gas dividing control valve (5) includes intake interface (51), near-end is given vent to anger interface (52), far-end is given vent to anger interface (53), described air inlet
Interface (51) is communicated with the outlet side of gas rail assembly (2), and described far-end is given vent to anger the far-end of interface (53) and far-end blender (32)
Fuel gas inlet (34) communicates, and the far-end primary air inlet (33) of described far-end blender (32) is communicated with air filter, and far-end mixes
The far-end gas outlet (35) of clutch (32) is communicated with the near-end primary air inlet (36) of near-end blender (31), near-end blender (31)
Near-end fuel gas inlet (37) and near-end interface (52) of giving vent to anger communicate, the near-end gas outlet (38) of near-end blender (31) with start
Machine air inlet pipe (4) communicates.
2. a kind of pair of blender gas supply system according to claim 1 it is characterised in that:
Described combustion gas dividing control valve (5) also includes base (6) and the motor (7) being mounted thereon and diaphragm electromagnetic valve
(8), described intake interface (51) respectively with base (6) in the air inlet (81) of diaphragm electromagnetic valve (8), motor air inlet bottom
Chamber (71) communicates, and the gas outlet (82) of described diaphragm electromagnetic valve (8) and far-end interface (53) of giving vent to anger communicates；Described motor enters
The top of gas bottom cavity (71) is communicated with the bottom in motor air inlet top chamber (72), the sidepiece in motor air inlet top chamber (72) with
Near-end interface (52) of giving vent to anger communicates, and one end of the output shaft (73) of described motor (7) is arranged at the interior of motor (7)
Portion, the other end of output shaft (73) is arranged at motor air inlet top chamber (72), and output shaft (73) end is provided with cone seal
Plug (74), the bottom conical surface of described cone seal plug (74) is coordinated with the top chamber wall sealing of motor air inlet bottom cavity (71).
3. a kind of pair of blender gas supply system according to claim 2 it is characterised in that:
The outside of described output shaft (73) is arranged with holddown spring (75), and described holddown spring (75) is arranged at motor (7)
Housing and cone seal plug (74) between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510022411.5A CN104595061B (en) | 2015-01-16 | 2015-01-16 | Double-mixer gas supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510022411.5A CN104595061B (en) | 2015-01-16 | 2015-01-16 | Double-mixer gas supply system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104595061A CN104595061A (en) | 2015-05-06 |
| CN104595061B true CN104595061B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510022411.5A Active CN104595061B (en) | 2015-01-16 | 2015-01-16 | Double-mixer gas supply system |
Country Status (1)
| Country | Link |
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| CN (1) | CN104595061B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033582B (en) * | 2021-11-12 | 2023-02-03 | 中船动力研究院有限公司 | Gas, ventilative distributor and boats and ships |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5929756A (en) * | 1982-08-11 | 1984-02-17 | Automob Antipollut & Saf Res Center | Fuel feeder of liquefied gas internal combustion engine |
| DE3425364A1 (en) * | 1984-07-10 | 1986-01-23 | Fritz Werner Industrie-Ausrüstungen GmbH, 6222 Geisenheim | Gas-air mixing unit |
| CN2095944U (en) * | 1991-01-28 | 1992-02-12 | 重庆建筑工程学院 | Compressed natural gas mixer for gasoline, natural gas double fuel car |
| CN1696487A (en) * | 2005-05-15 | 2005-11-16 | 东风汽车有限公司 | Engine natural gas mixer |
| JP4747132B2 (en) * | 2007-05-25 | 2011-08-17 | 東邦瓦斯株式会社 | Power generation system |
| CN204476597U (en) * | 2015-01-16 | 2015-07-15 | 东风商用车有限公司 | A kind of two mixer gas supply system |
-
2015
- 2015-01-16 CN CN201510022411.5A patent/CN104595061B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5929756A (en) * | 1982-08-11 | 1984-02-17 | Automob Antipollut & Saf Res Center | Fuel feeder of liquefied gas internal combustion engine |
| DE3425364A1 (en) * | 1984-07-10 | 1986-01-23 | Fritz Werner Industrie-Ausrüstungen GmbH, 6222 Geisenheim | Gas-air mixing unit |
| CN2095944U (en) * | 1991-01-28 | 1992-02-12 | 重庆建筑工程学院 | Compressed natural gas mixer for gasoline, natural gas double fuel car |
| CN1696487A (en) * | 2005-05-15 | 2005-11-16 | 东风汽车有限公司 | Engine natural gas mixer |
| JP4747132B2 (en) * | 2007-05-25 | 2011-08-17 | 東邦瓦斯株式会社 | Power generation system |
| CN204476597U (en) * | 2015-01-16 | 2015-07-15 | 东风商用车有限公司 | A kind of two mixer gas supply system |
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| Publication number | Publication date |
|---|---|
| CN104595061A (en) | 2015-05-06 |
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