CN107701346A - A kind of Fuel switching valve system - Google Patents
A kind of Fuel switching valve system Download PDFInfo
- Publication number
- CN107701346A CN107701346A CN201710602477.0A CN201710602477A CN107701346A CN 107701346 A CN107701346 A CN 107701346A CN 201710602477 A CN201710602477 A CN 201710602477A CN 107701346 A CN107701346 A CN 107701346A
- Authority
- CN
- China
- Prior art keywords
- entrance
- switching valve
- fuel
- outlet
- valve element
- 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
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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
- F02M43/00—Fuel-injection apparatus operating simultaneously on two or more fuels, or on a liquid fuel and another liquid, e.g. the other liquid being an anti-knock additive
- F02M43/04—Injectors peculiar thereto
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0686—Injectors
- F02D19/0694—Injectors operating with a plurality of fuels
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The present invention provides a kind of Fuel switching valve system, including switching valve and valve element, valve element includes first end and the second end, switching valve includes and the channel attached first entrance of Fuel Petroleum, second entrance channel attached with methanol fuel and the 3rd outlet being connected with fuel injector, 3rd outlet connects with first entrance and second entrance, in automobile low-temperature cool starting, second end of valve element against and seal second entrance, turn on first entrance and gasoline is flowed to the 3rd outlet from first entrance, when engine water temperature is higher than predetermined temperature, the first end of valve element against and seal first entrance, turn on second entrance and methanol is flowed to the 3rd outlet from second entrance.A set of injector assembly can be saved by the Fuel switching valve system of the present invention, the use of single fuel injector is two kinds of fuel capable of simultaneous injection.
Description
Technical field
The present invention relates to automobile technical field, and more particularly to a kind of Fuel switching valve system.
Background technology
Methanol is as a kind of new fuel at present, and prospect of the application is very wide, but methanol engine is in environment temperature
The problem of difficulty in starting be present during less than 10 DEG C, it is current typically using double sprays in order to solve the problems, such as the cold start-up of methanol engine
Oily device system, a set of injection system injected petrol, a set of injection system spray methanol.Thus need two sets of oil rail injectors total
Into not only cost is high, and two oily rails are arranged in an inlet manifold, very difficult.
The content of the invention
In view of this, the present invention, which provides one kind, can save a set of injector assembly, can be using single fuel injector simultaneously
Spray the Fuel switching valve system of two kinds of fuel.
In order to achieve the above-mentioned advantages, the present invention provides a kind of Fuel switching valve system, including switching valve and valve element, valve element includes the
One end and the second end, switching valve include first entrance channel attached with Fuel Petroleum and methanol fuel channel attached second
Entrance and the 3rd outlet being connected with fuel injector, the 3rd outlet connects with first entrance and second entrance, in automobile low temperature cold
During startup, the second end of valve element against and seal second entrance, turn on first entrance and gasoline is flowed to from first entrance
Three outlets, when engine water temperature is higher than predetermined temperature, the first end of valve element against and seal first entrance, lead second entrance
Lead to and methanol is flowed to the 3rd outlet from second entrance.
Further, in addition to electronic control unit, calutron and spring, one end of spring connect with first end, separately
One end connects with switching valve and spring is in compressive state, when automobile is not actuated, the work of the first end of valve element in the spring of compression
It is firmly lower and against and seal first entrance, during automobile low-temperature cool starting, calutron be powered and with movable valve plug to second entrance
Direction it is mobile and make the second end of valve element against and seal second entrance, turn on first entrance and make gasoline from first entrance
The 3rd outlet is flowed to, when electronic control unit detects that engine water temperature is higher than predetermined temperature, control calutron is powered off and made
The first end of valve element under the active force of the spring of compression against and seal first entrance, turn on second entrance and make methanol from
Second entrance flows to the 3rd outlet.
Further, in addition to electronic control unit, calutron and spring, one end of spring connect with the second end, separately
One end connects with switching valve and spring is in compressive state, when automobile is not actuated, the work of the second end of valve element in the spring of compression
It is firmly lower and against and seal second entrance, during automobile low-temperature cool starting, gasoline flows to the 3rd outlet from the first entrance of conducting,
When electronic control unit detects that engine water temperature is higher than predetermined temperature, control calutron is powered and entered with movable valve plug to first
Mouthful direction it is mobile and make the first end of valve element against and seal first entrance, turn on second entrance and methanol is entered from second
Mouth flows to the 3rd outlet.
Further, valve element includes stopper and bar portion, and stopper is located at the both ends of bar portion, and the external diameter of stopper is more than bar portion, the
The external diameter of one entrance and second entrance.
Further, one end of spring connects with stopper, and the other end connects with switching valve.
Further, switching valve is provided with a recess between first entrance and second entrance, and bar portion is located at through recess
Between first entrance and second entrance.
Further, calutron is in recess.
Further, calutron is electromagnet.
Further, during automobile low-temperature cool starting, electronic control unit control gasoline fuel pump work makes gasoline from conducting
First entrance flow to the 3rd outlet, when electronic control unit detects that engine water temperature be higher than predetermined temperature, control methanol fire
Operation of oil pump makes methanol flow to the 3rd outlet from second entrance.
Further, switching valve includes the first passage being connected with first entrance, the second channel being connected with second entrance
And the third channel being connected with the 3rd outlet, first passage and second channel converge at third channel and connected with third channel
It is logical.
In summary, the present invention is by a Fuel switching valve system, and in automobile low-temperature cool starting, the second end of valve element is supported
Lean on and seal second entrance, turn on first entrance and gasoline is flowed to the 3rd outlet from first entrance, in engine water temperature height
When predetermined temperature, the first end of valve element against and seal first entrance, turn on second entrance and make methanol from second entrance
The 3rd outlet is flowed to, therefore the Fuel switching valve system of the present invention can save a set of injector assembly, use single fuel injector
Two kinds of fuel i.e. capable of simultaneous injection.
Brief description of the drawings
Fig. 1 is Fuel switching when the automobile of the first embodiment of the present invention is not actuated or engine water temperature is higher than predetermined temperature
The working state schematic representation of valve system.
The working condition signal of Fuel switching valve system when Fig. 2 is the automobile low-temperature cool starting of the first embodiment of the present invention
Figure.
Fig. 3 is Fuel switching when the automobile of the second embodiment of the present invention is not actuated or engine water temperature is higher than predetermined temperature
The working state schematic representation of valve system.
The working condition signal of Fuel switching valve system when Fig. 4 is the automobile low-temperature cool starting of the second embodiment of the present invention
Figure.
Embodiment
Further to illustrate the present invention to reach technical approach and effect that predetermined goal of the invention is taken, below in conjunction with
Drawings and Examples, to embodiment, structure, feature and its effect of the present invention, describe in detail as after.
【Embodiment 1】
As shown in Figure 1-2, the Fuel switching valve system of the first embodiment of the present invention includes switching valve 1, valve element 2, electronics
Control unit, calutron 3 and spring 4.Calutron 3 for example can be electromagnet.
Switching valve 1 includes first entrance 11 channel attached with Fuel Petroleum, entered with methanol fuel channel attached second
Mouth 12 and the 3rd outlet 13 being connected with fuel injector.Be provided with switching valve 1 the first passage 1a that is connected with first entrance 11 and
The connected second channel 1b of the second entrance 12 and third channel 1c being connected with the 3rd outlet 13.First passage 1a and second is logical
Road 1b converges at third channel 1c and connected with third channel 1c, so that the 3rd outlet 13 and first entrance 11 and second entrance
12 connections.
Switching valve 1 is provided with a recess 14 between first entrance 11 and second entrance 12, and calutron 3 is located at recess 14
It is interior.Recess 14 separates the first passage 1a of the left and right sides and second channel 1b, and makes first passage 1a and second channel 1b
Converge in third channel 1c one end away from the 3rd outlet 13.
Valve element 2 has first end 2a and the second end 2b, and it includes stopper 21 and bar portion 22, and stopper 21 is located at the two of bar portion 22
End.The external diameter of stopper 21 is more than the external diameter of bar portion 22, first entrance 11 and second entrance 12, i.e. stopper 21 can be resisted against first and enter
Outside mouth 11 or second entrance 12 and first entrance 11 or second entrance 12 can be sealed.Bar portion 22 passes through recess 1 and one
At first entrance 11, the other end is located at second entrance 12 at end.When calutron 3 is powered, valve element 2 can be by electromagnetic installing
Put 3 electromagnetic force and moved to the direction of second entrance 12.
One end of spring 4 connects with first end 2a, and the other end and switching valve 1 connect, in the present embodiment, the one of spring 4
Hold and connected positioned at first end 2a stopper 21, the other end and switching valve 1 connect, and pre-set springs 4 are in compressive state.
When automobile is not actuated, positioned at first end 2a stopper 21 under the active force of the spring 4 of compression and against and seal
First entrance 11.
During automobile low-temperature cool starting, because automobile is powered calutron 3 is powered, calutron 3 produces electromagnetic induction
And the electromagnetic force of valve element 2 one is applied to, so as to direction movement of the movable valve plug 2 to second entrance 12 and make the gear positioned at the second end 2b
Portion 21 against and seal second entrance 12, at this moment first entrance 11 turns on, at the same electronic control unit control gasoline fuel pump work
Work makes gasoline flow to the 3rd outlet 13 from the first entrance 11 of conducting, and flows to fuel injector from the 3rd outlet 13, so that fuel injector
Spray gasoline and realize the cold start-up of automobile.
Electronic control unit and temperature sensor electrical connection, the temperature sensor are used to detect engine water temperature and incited somebody to action
Engine water temperature value sends electronic control unit, the engine water temperature value and predetermined temperature that electronic control unit will receive to
(engine water temperature value when i.e. methanol can fully be burnt with high efficiency) is compared, if judging the engine water temperature value received
More than predetermined temperature, then control calutron 3 to power off, at this moment positioned at first end 2a stopper 21 compression spring 4 effect
Under power against and seal first entrance 11, turn on second entrance 12, at the same electronic control unit control methanol fuel oil pump work
Methanol is flowed to the 3rd outlet 13 from second entrance 12, and fuel injector is flowed to from the 3rd outlet 13, so that fuel injector sprays methanol
And engine is set to be operated by fuel of methanol.
【Embodiment 2】
As shown in Figure 3-4, the Fuel switching valve system of the second embodiment of the present invention includes switching valve 1, valve element 2, electronics
Control unit, calutron 3 and spring 4.The Fuel switching valve system of the second embodiment of the present invention and the area of first embodiment
It is not：One end of spring 4 connects with the second end 2b, and the other end and switching valve 1 connect, and specifically, one end of spring 4 and is located at
Second end 2b stopper 21 connects, and the other end and switching valve 1 connect, and pre-set springs 4 are in compressive state；And calutron 3
Coil around to opposite with first embodiment.
When automobile is not actuated, the second end 2b of valve element 2 under the active force of the spring 4 of compression and against and seal second and enter
Mouth 12.
During automobile low-temperature cool starting, electronic control unit control gasoline fuel pump work makes first entrance of the gasoline from conducting
11 flow to the 3rd outlet 13, and flow to fuel injector from the 3rd outlet 13, so that fuel injector sprays gasoline and realizes the cold of automobile and open
It is dynamic.
Electronic control unit and temperature sensor electrical connection, the temperature sensor are used to detect engine water temperature and incited somebody to action
Engine water temperature value sends electronic control unit, the engine water temperature value and predetermined temperature that electronic control unit will receive to
(engine water temperature value when i.e. methanol can fully be burnt with high efficiency) is compared, if judging the engine water temperature value received
More than predetermined temperature, then calutron 3 is controlled to be powered, calutron 3 produces electromagnetic induction and is applied to the electromagnetic force of valve element 2 one,
Due to the calutron 3 in the embodiment coil around to first embodiment on the contrary, the electromagnetic force that is subject to of valve element 2 also and
First embodiment on the contrary, therefore valve element 2 it is mobile to the direction of first entrance 11 and make the first end 2a of valve element 2 against and seal
First entrance 11, turn on second entrance 12, while electronic control unit control methanol fuel oil pump work makes methanol enter from second
Mouth 12 flows to the 3rd outlet 13, and flows to fuel injector from the 3rd outlet 13, so that fuel injector sprays methanol and makes engine with first
Alcohol is operated for fuel.
The other structures of the Fuel switching valve system of second embodiment are identical with first embodiment, will not be repeated here.
In summary, the present invention passes through a Fuel switching valve system, in automobile low-temperature cool starting, the second end of valve element 2
2b against and seal second entrance 12, turn on first entrance 11 and make gasoline from first entrance 11 flow to the 3rd outlet 13,
When engine water temperature is higher than predetermined temperature, the first end 2a of valve element 2 against and seal first entrance 11, turn on second entrance 12
And methanol is flowed to the 3rd outlet 13 from second entrance 12, therefore the Fuel switching valve system of the present invention can save a set of oil spout
Device assembly, the use of single fuel injector is two kinds of fuel capable of simultaneous injection.
It the above is only presently preferred embodiments of the present invention, any formal limitation not made to the present invention, although this
Invention is disclosed above with preferred embodiment, but is not limited to the present invention, any person skilled in the art,
Do not depart from the range of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of change, as long as being without departing from technical solution of the present invention content, the technical spirit according to the present invention is real to more than
Any simple modification, equivalent change and modification that example is made is applied, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of Fuel switching valve system, it is characterised in that including switching valve (1) and valve element (2), the valve element (2) includes the
One end (2a) and the second end (2b), the switching valve (1) include and the channel attached first entrance of Fuel Petroleum (11) and methanol
The second entrance (12) of fuel channel connection and the 3rd outlet (13) being connected with fuel injector, the 3rd outlet (13) and institute
State first entrance (11) and the second entrance (12) connection, in automobile low-temperature cool starting, described the second of the valve element (2)
End (2b) against and seal the second entrance (12), make the first entrance (11) turn on and make gasoline from the first entrance
(11) the 3rd outlet (13), when engine water temperature is higher than predetermined temperature, the first end of the valve element (2) are flowed to
(2a) against and seal the first entrance (11), make the second entrance (12) turn on and make methanol from the second entrance
(12) the 3rd outlet (13) is flowed to.
2. Fuel switching valve system as claimed in claim 1, it is characterised in that also including electronic control unit, calutron
(3) connected with spring (4), one end of the spring (4) and the first end (2a) connection, the other end and the switching valve (1)
And the spring (4) is in compressive state, when automobile is not actuated, the institute of the first end (2a) of the valve element (2) in compression
State under the active force of spring (4) and against and seal the first entrance (11), during automobile low-temperature cool starting, the calutron
(3) it is powered and drives the valve element (2) mobile to the direction of the second entrance (12) and make described the second of the valve element (2)
End (2b) against and seal the second entrance (12), make the first entrance (11) turn on and make gasoline from the first entrance
(11) the 3rd outlet (13), when the electronic control unit detects that engine water temperature is higher than predetermined temperature, control are flowed to
The calutron (3) powers off and makes the active force of the spring (4) of the first end (2a) of the valve element (2) in compression
Under against and seal the first entrance (11), make the second entrance (12) turn on and make methanol from the second entrance (12)
Flow to the 3rd outlet (13).
3. Fuel switching valve system as claimed in claim 1, it is characterised in that also including electronic control unit, calutron
(3) connected with spring (4), one end of the spring (4) and second end (2b) connection, the other end and the switching valve (1)
And the spring (4) is in compressive state, when automobile is not actuated, the institute of second end (2b) of the valve element (2) in compression
State under the active force of spring (4) and against and seal the second entrance (12), during automobile low-temperature cool starting, gasoline is from conducting
The first entrance (11) flows to the 3rd outlet (13), and the electronic control unit detects engine water temperature higher than predetermined
During temperature, control the calutron (3) to be powered and drive direction movement of the valve element (2) to the first entrance (11) simultaneously
Make the first end (2a) of the valve element (2) against and seal the first entrance (11), lead the second entrance (12)
Lead to and methanol is flowed to the 3rd outlet (13) from the second entrance (12).
4. Fuel switching valve system as claimed in claim 2 or claim 3, it is characterised in that the valve element (2) include stopper (21) and
Bar portion (22), the stopper (21) are located at the both ends of the bar portion (22), and the external diameter of the stopper (21) is more than the bar portion
(22), the external diameter of the first entrance (11) and the second entrance (12).
5. Fuel switching valve system as claimed in claim 4, it is characterised in that one end of the spring (4) and the stopper
(21) connect, the other end and the switching valve (1) connection.
6. Fuel switching valve system as claimed in claim 4, it is characterised in that the switching valve (1) is in the first entrance
(11) recess (14) is provided between the second entrance (12), the bar portion (22) is located at institute through the recess (14)
State between first entrance (11) and the second entrance (12).
7. Fuel switching valve system as claimed in claim 6, it is characterised in that the calutron (3) is located at the recess
(14) in.
8. Fuel switching valve system as claimed in claim 2 or claim 3, it is characterised in that the calutron (3) is electromagnet.
9. Fuel switching valve system as claimed in claim 2 or claim 3, it is characterised in that during automobile low-temperature cool starting, the electronics
Control unit control gasoline fuel pump work makes gasoline flow to the 3rd outlet (13) from the first entrance (11) of conducting,
When the electronic control unit detects that engine water temperature is higher than predetermined temperature, control methanol fuel oil pump work makes methanol from described
Second entrance (12) flows to the 3rd outlet (13).
10. Fuel switching valve system as claimed in claim 1, it is characterised in that the switching valve (1) includes and described first
The connected first passage (1a) of entrance (11), the second channel (1b) being connected with the second entrance (12) and with the described 3rd
(13) connected third channel (1c) is exported, the first passage (1a) and the second channel (1b) are in the third channel
Converge and connected with the third channel (1c) in (1c) place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710602477.0A CN107701346A (en) | 2017-07-21 | 2017-07-21 | A kind of Fuel switching valve system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710602477.0A CN107701346A (en) | 2017-07-21 | 2017-07-21 | A kind of Fuel switching valve system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107701346A true CN107701346A (en) | 2018-02-16 |
Family
ID=61170743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710602477.0A Pending CN107701346A (en) | 2017-07-21 | 2017-07-21 | A kind of Fuel switching valve system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107701346A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012157001A1 (en) * | 2011-05-13 | 2012-11-22 | Kad 3 Srl | Bi-fuel injector with a double sealing nozzle and two inlet fittings for two separate feeding lines |
| CN204783286U (en) * | 2015-06-25 | 2015-11-18 | 胡松平 | Switch fast car double fuel guide rail multi -ported valve |
| CN204783287U (en) * | 2015-06-25 | 2015-11-18 | 胡松平 | Prevent car double fuel guide rail multi -ported valve of compounding |
| CN204783290U (en) * | 2015-07-09 | 2015-11-18 | 胡松平 | Mechanical type car double fuel multi -ported valve |
| CN106050495A (en) * | 2016-07-13 | 2016-10-26 | 十堰科纳汽车电器有限公司 | Dual-purpose fuel injection system and fuel injection control method |
-
2017
- 2017-07-21 CN CN201710602477.0A patent/CN107701346A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012157001A1 (en) * | 2011-05-13 | 2012-11-22 | Kad 3 Srl | Bi-fuel injector with a double sealing nozzle and two inlet fittings for two separate feeding lines |
| CN204783286U (en) * | 2015-06-25 | 2015-11-18 | 胡松平 | Switch fast car double fuel guide rail multi -ported valve |
| CN204783287U (en) * | 2015-06-25 | 2015-11-18 | 胡松平 | Prevent car double fuel guide rail multi -ported valve of compounding |
| CN204783290U (en) * | 2015-07-09 | 2015-11-18 | 胡松平 | Mechanical type car double fuel multi -ported valve |
| CN106050495A (en) * | 2016-07-13 | 2016-10-26 | 十堰科纳汽车电器有限公司 | Dual-purpose fuel injection system and fuel injection control method |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180216 |
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| RJ01 | Rejection of invention patent application after publication |