CN203627054U - Double-fuel injection device - Google Patents
Double-fuel injection device Download PDFInfo
- Publication number
- CN203627054U CN203627054U CN201320765146.6U CN201320765146U CN203627054U CN 203627054 U CN203627054 U CN 203627054U CN 201320765146 U CN201320765146 U CN 201320765146U CN 203627054 U CN203627054 U CN 203627054U
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- China
- Prior art keywords
- methyl alcohol
- gasoline
- triplet
- methanol
- injection device
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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
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- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The utility model relates to the technical field of an engine, in particular to a double-fuel injection device. The double-fuel injection device comprises a set of gasoline tank and gasoline pump, gasoline filter and gasoline injection track, a set of methanol tank and methanol pump, methanol filter and methanol injection track, a gasoline injection nozzle and an engine control circuit, and is characterized by being provided with a triplet and a methanol controller, wherein the gasoline injection track and the methanol injection track are connected with a triplet seat respectively through a transition body and a hollow bolt; the triplet is connected with an engine through the gasoline injection nozzle; the triplet is internally provided with a two-way piston to form two selective one-way fuel channels. According to the double-fuel injection device, methanol and gasoline are completely separated; the fuel to be selected can be preset and automatically converted through the methanol controller, so that the methanol fuel is furthest used, and the consumption cost of automobile fuel is reduced; meanwhile, as a methanol injection nozzle installation body is avoided, the installation space and the installation work are saved; therefore the device is applicable for all vehicle types.
Description
Technical field
The utility model relates to technical field of engines, and what say in detail is a kind of for gasoline---the dual fuel injection device of methyl alcohol dual-fuel automobile motor.
Background technique
Automotive methanol engine fuel and gasoline engines comparison, methanol fuel has advantages of that calorific value is high, discharge is clean, price is low, the deficiency of its methanol fuel is that low-temperature startup performance is poor.The advantage of gasoline engines is that low-temperature startup performance is good, shortcoming is that price is high, damage ratio methyl alcohol is much higher, therefore, on petrol engine, install methanol fuel ejecting system additional, can in two kinds of fuel, select the vehicle spraying day by day to increase, this bifuel system startup performance of engine is good, price is low, pollution-free.
At present, use the motor car engine of dual fuel injection system mainly to adopt two kinds of spray regimes, i.e. the two spray systems of single track single spraying or double track.Single track single spraying system is by solenoid valve a set of methyl alcohol pipeline in parallel before former car gasoline spraying rail and oil nozzle, simple in structure, repacking convenience, shortcoming is: carry out gasoline---when methyl alcohol switches, because of gasoline---and methyl alcohol cannot be changed completely and cause methyl alcohol cold start-up difficulty; The two spray systems of double track adopt gasoline, methyl alcohol two to overlap injection apparatus parallel connection, although solved the problem of methyl alcohol cold start-up difficulty, but require vehicle engine compartments to there is larger installing space, on motor, install additional methyl alcohol nozzle cause volume large, complexity is installed and cost higher, can not meet the installation needs of most of vehicle.
Summary of the invention
The purpose of this utility model is when solving above-mentioned prior art deficiency, a kind of dual fuel injection device that is provided with triplet and methyl alcohol controller is provided, use gasoline ato unit to solve the problem of methyl alcohol cold start-up difficulty, effectively reduce installation volume, simultaneously simple installation and cost by triplet replacement methyl alcohol oil nozzle fixing body lower, can meet all vehicle installation requirements.
The utility model solves the technological scheme that its technical problem adopts:
A kind of dual fuel injection device, comprise a set of gasoline fuel tank and oil pump, filter, gasoline spraying rail, a set of methanol tank and methanol pump, filter, methyl alcohol spray rail, oil nozzle and engine control circuit, it is characterized in that: be provided with triplet and methyl alcohol controller, described gasoline spraying rail, methyl alcohol spray rail are connected with triplet seat with hollow bolt through transition body respectively, and triplet is connected with motor by oil nozzle, in triplet, be provided with bidirectional piston, form two selectable one-way fuel channels.
In transition body described in the utility model and hollow bolt, filter screen is installed, filters respectively gasoline and methyl alcohol.Filter screen is that interference is connected with transition body and hollow bolt.In triplet, be provided with the limited ring that interference connects.Piston and triplet are Spielpassung, and matching gap is 0.02mm-0.2mm.Methyl alcohol spray rail is connected with methyl alcohol controller through pressure-detecting device.Methyl alcohol controller is connected with engine water temperature, engine speed, engine charge pressure and oxygen sensor signal.Methyl alcohol controller is also connected with fuel type indicator, methyl alcohol surplus display device.
The utility model is owing to adopting said structure, methyl alcohol separates before entering oil nozzle with gasoline completely, makes it in pipeline circulation separately, neither interferes with each other, methyl alcohol and gasoline can be changed fast according to controller instruction, by the setting to controller and debugging, only in the time starting, use Fuel Petroleum, motor easily starts, temperature is automatically converted to methanol fuel after rising to setting temperature, both the problem that had solved methyl alcohol cold start-up difficulty, also reduces automobile fuel consumption to greatest extent, thereby lowers fuel cost; Owing to having removed the methyl alcohol nozzle fixing body of the two spray schemes of double track from, save installing space, simplify installment work, can meet all vehicles needs are installed; Meanwhile, can protect to greatest extent gasoline engine system.
Brief description of the drawings
Fig. 1 is the working principle schematic diagram of the utility model dual fuel injection device.
Fig. 2 is the structural representation that the utility model adopts the dual fuel injection device of 4 cylinder engines.
Fig. 3 is the structural representation of the utility model as an example of single cylinder dual fuel injection device example.
Fig. 4 is the structural representation that the utility model adopts second embodiment of dual fuel injection device of 4 cylinder engines.
Fig. 5 is the structural representation that the utility model adopts second embodiment of single cylinder dual fuel injection device.
Reference character:
01: petrol tank and oil pump; 02: gasoline separator; 03: gasoline spraying rail; 04: triplet; 05: water temperature sensor signal; 06: signals of rotational speed sensor; 07: oxygen sensor signal; 08: intake pressure sensor signal; 09: methanol fuel controller; 010: methyl alcohol controller; 011: fuel type indicator 012: methyl alcohol surplus display device; 013: pressure-detecting device 014: methyl alcohol spray rail; 015: oil nozzle; 016: methyl alcohol filter; 017: methanol tank and methanol pump; 1:O type circle; 2 filter screens; 3 transition bodies; 4 limited rings; 5: hollow articulated joint; 6: sealed nylon pad; 7: hollow bolt; 8 one of triplet; 9: piston; 10:O type circle; 11: triplet one; 12: nylon tube; 21: tapped hole; 22: two of triplets; 31: triplet two; 32: connecting plate; 33: bolt.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is further illustrated:
As accompanying drawing 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5: a kind of dual fuel injection device, comprise a set of gasoline fuel tank and oil pump 01, filter 02, gasoline spraying rail 03, a set of methanol tank and methanol pump 017, filter 016, methyl alcohol spray rail 014, oil nozzle 015 and engine control circuit, it is characterized in that: be provided with triplet 11 and methyl alcohol controller 010, described gasoline spraying rail 03, methyl alcohol spray rail 014 is connected with triplet 04 with hollow bolt 7 through transition body 3 respectively, triplet 04 is connected with motor by oil nozzle 015, in triplet 04, be provided with bidirectional piston 9, form two selectable one-way fuel channels.
In transition body 3 described in the utility model and hollow bolt 7, filter screen 2 is installed, filters respectively gasoline and methyl alcohol.Filter screen 2 and transition body 3 and hollow bolt 7 are connected for interference.In triplet 04, be provided with the limited ring 4 that interference connects.Piston 9 is Spielpassung with triplet 04, and matching gap is 0.02mm-0.2mm.Methyl alcohol spray rail is connected with methyl alcohol controller 010 through pressure-detecting device 013.Methyl alcohol controller 010 is connected with engine water temperature signal 05, engine rotational speed signal 06, oxygen sensor signal 07 and engine charge pressure signal 08 signal.Methyl alcohol controller 010 is also connected with fuel type indicator 011, methyl alcohol surplus display device 012.
As shown in Figure 1: a kind of dual fuel injection device, comprise a set of petrol tank and oil pump 01, gasoline separator 02, gasoline spraying rail 03 and a set of methanol tank and methanol pump 017, methyl alcohol filter 016, methyl alcohol spray rail 014, it is characterized in that set gasoline spraying rail 03, methyl alcohol spray rail 014 are connected with same set of oil nozzle 015 through triplet 04 respectively, methyl alcohol spray rail 014 is provided with pressure-detecting device 013.
The pressure-detecting device 013 of the spray of methyl alcohol described in the utility model rail 014 is connected with methyl alcohol controller 010.Methyl alcohol controller 010 is also connected with engine water temperature signal 05, engine rotational speed signal 06, engine charge pressure signal 07 and oxygen sensor signal 08.Methyl alcohol controller 010 also with fuel type indicator 011, methyl alcohol surplus display device 012 connects.Methanol fuel controller 09 is controlled the methyl alcohol work pattern time.
The utility model does not change Fuel Petroleum Supply Structure, increases separately a set of methyl alcohol oil circuit, uses gasoline to start vehicle in the time that temperature is lower, as long as gasoline some work normally just can start smoothly, no matter season, temperature, all can normally start.
Methyl alcohol, two kinds of fuel of gasoline are automatically changed by methyl alcohol controller 010.System can be set arbitrarily the water temperature (general engine water temperature reaches 30-50 °) that motor is transformed into methyl alcohol pattern, lower than this temperature, is started gasoline mode operation by gasoline; Reach setting temperature, system is transformed into methyl alcohol pattern automatically.
The utility model is installed simple, has drawn the advantage of the two sprays of double track, has abandoned it loaded down with trivial details shortcoming is installed, and does not change engine structure, and the gasoline vehicle of all intake port injections can be installed substantially.
As shown in Figure 2: the utility model is taking the motor of 4 cylinders as example, a kind of linkage structure of dual fuel injection device is described: according to the cylinder core distance of different motors, determine the connection distance of each cylinder triplet 1, respectively each cylinder triplet 1 is connected with nylon tube 12, form methyl alcohol spray rail, be used for distributing the methyl alcohol from methyl alcohol pipeline.Methyl alcohol spray rail is arranged between engine gasoline spray rail and oil nozzle.Set triplet one 11 quantity are consistent with number of engine cylinders.Wherein gasoline, two kinds of interchangeable passages of fuel of methyl alcohol.
Embodiment as shown in Figure 3: a kind of structure of single cylinder dual fuel injection device is: one 8 of triplet is provided with transition body 3, is equipped with O type circle 1 and filter screen 2 on transition body 3; On triplet, be also provided with the hollow bolt 7 of filter screen 2 is installed, two sealed nylon pads 6 of hollow articulated joint 5 use are connected on one 8 of triplet; 8 inside of triplet are provided with piston 9, O type circle 10 and limited ring 4.This triplet 04 is arranged between engine gasoline spray rail 03 and oil nozzle 015.
Meaning of the present utility model is that two-way fuel is formed to two selectable one-way fuel channels by triplet, and respectively increasing filter screen 2 at two fuel channels, filter screen 2 is connected with the interference that is connected to of transition body 3 and hollow bolt 7, can impurity screening, prevent piston 9 clamping stagnations, increase reliability.Between one 8 of piston 9 and triplet, be Spielpassung, matching gap 0.02mm-0.2mm, moves left and right piston 9 flexibly.The interference that is connected to that limited ring 4 and triplet are one 8 is connected, and limited ring 4 end faces are also as a sealing surface of piston 9 simultaneously.Piston 9 moves left and right by two kinds of fuel pressure difference deltap, opens respectively, closes corresponding fuel conduit and reach the object that fuel is selected.Because piston 9 can move left and right, the common part that therefore two kinds of fuel crosses can not produce confined space, can not occur that loine pressure is local to be increased, the problem that causes nozzle oil 015 to open.
In the time selecting gasoline pattern, petrol pump work, methyl alcohol air pump inoperative, piston 9 is pushed to methyl alcohol pipeline one end under gasoline line pressure, and O type circle 10 is close to the end face of limited ring 4, by methyl alcohol line seal, simultaneously by isolated to gasoline and methyl alcohol pipeline, can not mix with methyl alcohol, motor is pressed gasoline work pattern under former vehicle control, refers to arrow instruction; In the time selecting methyl alcohol pattern, methanol pump work, gasoline air pump inoperative, piston 9 is pushed to gasoline line one end under methyl alcohol loine pressure, O type circle 10 is close to the end face of 18 endoporus of triplet, by gasoline line sealing, by isolated to methyl alcohol and gasoline line, can not mix with methyl alcohol simultaneously, now methyl alcohol controller 010 is got involved former vehicle control, motor, under the double action of former vehicle control and Methanol Control System, by methyl alcohol work pattern, refers to arrow instruction.Wherein gasoline, two kinds of interchangeable passages of fuel of methyl alcohol.
As shown in Figure 4, the utility model is taking the motor of 4 cylinders as example, another kind of dual fuel injection device linkage structure is described: according to the cylinder core distance of different motors, determine the connection distance of each cylinder triplet 2 31, respectively each cylinder triplet 2 31 is connected with nylon tube 12, and utilize tapped hole 21 use bolts 33 and the connecting plate 32 at triplet 2 31 tops to couple together, be convenient to fix.Form two spray rails: gasoline spraying rail and methyl alcohol spray rail, is used for respectively distributing to come the fuel of pipeline separately.These two kinds of spray rails are connected with oil nozzle 015 by triplet 2 31.Set triplet 2 31 quantity are consistent with number of engine cylinders.
Embodiment as shown in Figure 5: the structure of another kind of single cylinder dual fuel injection device is: two 22 of triplets are provided with two hollow bolts 7, each hollow spiral shell 7 inside are provided with filter screen 2, respectively 4 sealed nylon pads 6 of two hollow articulated joint 5 use are connected on two 22 of triplets; Two 22 inside of triplet are provided with piston 9, O type circle 10 and limited ring 4.Two 22 tops of triplet are also provided with the tapped hole 21 of fixing triplet.Thereby form two fuel channels.This triplet is connected with oil nozzle 015.Wherein gasoline, two kinds of interchangeable passages of fuel of methyl alcohol.
Meaning of the present utility model is that the position of gasoline spraying rail is changed, and transfers to triplet side above triplet, and object is the setting height(from bottom) in order to reduce dual fuel injection device, thereby adapts to the installation requirement of different motors.Wherein gasoline, two kinds of interchangeable passages of fuel of methyl alcohol.Other and first embodiment is similar, and this does not repeat.
The utility model is owing to adopting said structure, methyl alcohol separates before entering oil nozzle with gasoline completely, makes it in pipeline circulation separately, neither interferes with each other, methyl alcohol and gasoline can be changed fast according to controller instruction, by the setting to controller and debugging, only in the time starting, use Fuel Petroleum, motor easily starts, temperature is automatically converted to methanol fuel after rising to setting temperature, both the problem that had solved methyl alcohol cold start-up difficulty, also reduces automobile fuel consumption to greatest extent, thereby lowers fuel cost; Owing to having removed the methyl alcohol nozzle fixing body of the two spray schemes of double track from, save installing space, simplify installment work, can meet all vehicle needs; Meanwhile, can protect to greatest extent gasoline engine system.
Claims (8)
1. a dual fuel injection device, comprise a set of gasoline fuel tank and oil pump, filter, gasoline spraying rail, a set of methanol tank and methanol pump, filter, methyl alcohol spray rail, oil nozzle and engine control circuit, it is characterized in that: be provided with triplet and methyl alcohol controller, described gasoline spraying rail, methyl alcohol spray rail are connected with triplet seat with hollow bolt through transition body respectively, and triplet is connected with motor by oil nozzle, in triplet, be provided with bidirectional piston, form two selectable one-way fuel channels.
2. a kind of dual fuel injection device according to claim 1, is characterized in that, in described transition body and hollow bolt, filter screen is installed, and filters respectively gasoline and methyl alcohol.
3. a kind of dual fuel injection device according to claim 2, is characterized in that described filter screen and transition body and hollow bolt are that interference is connected.
4. a kind of dual fuel injection device according to claim 1, is characterized in that being provided with in described triplet the limited ring that interference connects.
5. a kind of dual fuel injection device according to claim 1, is characterized in that described piston and triplet are Spielpassung, and matching gap is 0.02mm-0.2mm.
6. a kind of dual fuel injection device according to claim 1, is characterized in that described methyl alcohol spray rail is connected with methyl alcohol controller through pressure-detecting device.
7. a kind of dual fuel injection device according to claim 1, is characterized in that described methyl alcohol controller is connected with engine water temperature, engine speed, engine charge pressure and oxygen sensor signal.
8. a kind of dual fuel injection device according to claim 1, is characterized in that described methyl alcohol controller is also connected with fuel type indicator, methyl alcohol surplus display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320765146.6U CN203627054U (en) | 2013-11-22 | 2013-11-22 | Double-fuel injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320765146.6U CN203627054U (en) | 2013-11-22 | 2013-11-22 | Double-fuel injection device |
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| Publication Number | Publication Date |
|---|---|
| CN203627054U true CN203627054U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320765146.6U Expired - Fee Related CN203627054U (en) | 2013-11-22 | 2013-11-22 | Double-fuel injection device |
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| CN (1) | CN203627054U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615342A (en) * | 2013-11-22 | 2014-03-05 | 赵启新 | Double-fuel jetting device |
| CN104696083A (en) * | 2015-02-26 | 2015-06-10 | 胡松平 | Automobile duel fuel guide rail multi-way valve |
| CN106677910A (en) * | 2015-11-06 | 2017-05-17 | 福特环球技术公司 | Method and system for double-fuel jet |
| CN107842430A (en) * | 2017-08-09 | 2018-03-27 | 浙江吉利新能源商用车有限公司 | It is a kind of for the fuel supplier of vehicle, engine system and vehicle |
| CN107882810A (en) * | 2017-12-13 | 2018-04-06 | 西诺控股集团有限公司 | The adjustable type hydraulic shunting mechanism of ejection oil cylinder of injection molding machine |
-
2013
- 2013-11-22 CN CN201320765146.6U patent/CN203627054U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615342A (en) * | 2013-11-22 | 2014-03-05 | 赵启新 | Double-fuel jetting device |
| CN104696083A (en) * | 2015-02-26 | 2015-06-10 | 胡松平 | Automobile duel fuel guide rail multi-way valve |
| CN104696083B (en) * | 2015-02-26 | 2017-05-31 | 胡松平 | Double-fuel guide rail multiple-way valve |
| CN106677910A (en) * | 2015-11-06 | 2017-05-17 | 福特环球技术公司 | Method and system for double-fuel jet |
| CN107842430A (en) * | 2017-08-09 | 2018-03-27 | 浙江吉利新能源商用车有限公司 | It is a kind of for the fuel supplier of vehicle, engine system and vehicle |
| CN107882810A (en) * | 2017-12-13 | 2018-04-06 | 西诺控股集团有限公司 | The adjustable type hydraulic shunting mechanism of ejection oil cylinder of injection molding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20161122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |