CN201963413U - High-pressure common-rail engine electric control system for diesel and natural gas dual-fuel vehicle - Google Patents
High-pressure common-rail engine electric control system for diesel and natural gas dual-fuel vehicle Download PDFInfo
- Publication number
- CN201963413U CN201963413U CN2010206705573U CN201020670557U CN201963413U CN 201963413 U CN201963413 U CN 201963413U CN 2010206705573 U CN2010206705573 U CN 2010206705573U CN 201020670557 U CN201020670557 U CN 201020670557U CN 201963413 U CN201963413 U CN 201963413U
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- diesel
- natural gas
- high pressure
- engine
- rail
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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
- Y02T10/12—Improving ICE efficiencies
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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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Abstract
The utility model provides a high-pressure common-rail engine electric control system for a diesel and natural gas dual-fuel vehicle, which comprises a diesel engine, a diesel tank and a natural gas cylinder which are respectively connected with the diesel engine through pipelines, a fuel tank flow controller and a natural gas cylinder flow controller, a diesel engine controller for controlling flow by receiving pressure signals of the diesel tank, and a dual-fuel controller for comprehensively controlling diesel flow and natural gas flow, wherein diesel pipelines and natural gas pipelines are connected with the same high-pressure spray rail, and diesel and natural gas are sprayed to a combustion chamber of the diesel engine through the high-pressure spray rail. The utility model has the beneficial effects that: through the common-rail control of the diesel and the natural gas, the diesel and the natural gas are mixed and combusted, the ratio is more accurate, and the combustion efficiency is higher; air is pressurized by a turbocharger and flows into the combustion chamber, and the air is combusted more fully; and a main air pipe and a branch air pipe are arranged, so that the pressure in the pipelines is more stable.
Description
Technical field
The utility model relates to a kind of diesel oil, natural gas vehicle by double fuels electrical control system for engine, particularly a kind of electrical control system for engine that diesel oil and rock gas is injected into the dual-fuel automobile of firing chamber by same high pressure spray rail.
Background technique
More serious owing to the diesel car exhaust emissions, atmosphere is caused bigger pollution, so occurred using the duel fuel engine of substitute gas part diesel oil in the prior art.Its principle is diesel oil to be sprayed into to make it be compressed spontaneous combustion in the cylinder earlier, lights follow-up rock gas and the Air mixing gas that enters in the cylinder then.This kind technology will have very big potentiality to reducing motor vehicle exhaust emission, so the diesel/natural gas dual-fuel automobile is in the prior art by further research and application of people.For example traditional mechanical type diesel-oil vehicle is transformed into the diesel/natural gas dual-fuel automobile and is exactly wherein a kind of.At present, the diesel engine great majority of China are mechanical, in the prior art traditional mechanical type diesel-oil vehicle being transformed into the technology path that the diesel/natural gas dual-fuel automobile adopted mainly is the dispensing control mechanism that installs mechanical type diesel oil amount and amount of natural gas on the basis of original diesel-oil vehicle additional, some linking mechanisms normally, when the diesel oil amount increased, mechanism was by a certain amount of rock gas of simple motion dispensing.The mechanical double fuel system is changed less to existing diesel car, performance period is shorter, cost is lower, but the dispensing control accuracy to diesel oil amount and amount of natural gas is not high, and relatively poor with the flexibility of running conditions of vehicle variation, the power character of motor, fuel economy and emission performance are difficult to reach than the highland level.
Summary of the invention
The utility model provides a kind of at the problems referred to above that prior art exists.
Technological scheme that the utility model adopts is:
High pressure co-rail diesel, natural gas vehicle by double fuels electrical control system for engine, comprise diesel engine, the diesel fuel tanks and natural gas bottle, diesel fuel tanks flow dontroller and the natural gas bottle flow dontroller that link to each other with diesel engine by pipeline respectively, carry out the diesel engine controller of flow control and the dual-fuel controller of Comprehensive Control diesel oil flow and gas discharge by receiving the diesel fuel tanks pressure signal, the diesel oil pipeline all links to each other with same high pressure spray rail with gas pipeline, is injected in the diesel engine firing chamber by high pressure spray rail.
Further, described diesel fuel tanks outlet is provided with the output solenoid valve, the output solenoid valve links to each other with high pressure spray rail by low-pressure delivery pump, diesel fuel filter and high pressure rear pump successively, and the output solenoid valve is connected with the dual-fuel controller signal with the diesel engine controller respectively with the high pressure rear pump.
Further, described natural gas bottle outlet is provided with the inflation solenoid valve, and the inflation solenoid valve links to each other with high pressure spray rail with natural gas filter by reduction valve successively, and the inflation solenoid valve is connected with the dual-fuel controller signal.
Further, described diesel engine is provided with the CAP sensor, and the CAP sensor is connected with the dual-fuel controller signal.
Further, also be connected with air pipe line and exhaust emission tube road in the described diesel engine firing chamber, air pipe line and exhaust emission tube road are communicated with, be provided with turbo charging installation between air inlet and the firing chamber, the exhaust emission tube road is provided with cooler, the exhaust emission tube road is provided with PFE Exhaust Pressure Transducer, and PFE Exhaust Pressure Transducer is connected with the dual-fuel controller signal.
Further, described air pipe line comprises main tracheae that links to each other with the firing chamber by turbo charging installation and the bronchus that directly links to each other with the firing chamber.
Compared with prior art, the beneficial effects of the utility model are: by the common rail control of diesel oil and rock gas, and diesel oil and rock gas blending burning, proportioning is more accurate, and combustion efficiency is higher; Air enters the firing chamber after the turbo charging installation supercharging, it is more abundant to burn; Main trachea and bronchus be arranged so that loine pressure is more stable.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
With reference to Fig. 1, high pressure co-rail diesel, natural gas vehicle by double fuels electrical control system for engine, comprise diesel engine 1, the diesel fuel tanks 2 and the natural gas bottle 3 that link to each other with diesel engine 1 by pipeline respectively, carry out the diesel engine controller 4 of flow control and the dual-fuel controller 5 of Comprehensive Control diesel oil flow and gas discharge by receiving the diesel fuel tanks pressure signal, the diesel oil pipeline all links to each other with same high pressure spray rail 6 with gas pipeline, is injected in the diesel engine firing chamber by high pressure spray rail 6.
Natural gas bottle 3 outlets are provided with inflation solenoid valve 11, inflation solenoid valve 11 links to each other with high pressure spray rail 6 with natural gas filter 13 by reduction valve 12 successively, inflation solenoid valve 11 is to dual-fuel controller 5 output flow signals, and receives the control signal of dual-fuel controller 5 and then flow is regulated.
Diesel engine 1 is provided with CAP sensor 14, CAP sensor 14 is connected with dual-fuel controller 5 signals, and dual-fuel controller 5 is further optimized the flow and the proportioning of diesel oil and rock gas by the testing signal of CAP sensor 14.
Also be connected with air pipe line and exhaust emission tube road in diesel engine 1 firing chamber, air pipe line and exhaust emission tube road are communicated with, be provided with turbo charging installation 16 between air inlet 15 and the firing chamber, the exhaust emission tube road is provided with cooler 17, the exhaust emission tube road is provided with PFE Exhaust Pressure Transducer 18, and PFE Exhaust Pressure Transducer 18 is connected with dual-fuel controller 5 signals.Air pipe line comprises main tracheae 19 that links to each other with the firing chamber by turbo charging installation 16 and the bronchus 20 that directly links to each other with the firing chamber.
Should be noted that; though the utility model has provided preferred embodiment by the foregoing description and accompanying drawing; but structure of the present utility model is not limited to the foregoing description, and any distortion of making on the basis of the present utility model design all falls in the protection domain of the present utility model.
Claims (6)
1. high pressure co-rail diesel, natural gas vehicle by double fuels electrical control system for engine, comprise diesel engine, the diesel fuel tanks and natural gas bottle, diesel fuel tanks flow dontroller and the natural gas bottle flow dontroller that link to each other with diesel engine by pipeline respectively, carry out the diesel engine controller of flow control and the dual-fuel controller of Comprehensive Control diesel oil flow and gas discharge by receiving the diesel fuel tanks pressure signal, it is characterized in that: the diesel oil pipeline all links to each other with same high pressure spray rail with gas pipeline, is injected in the diesel engine firing chamber by high pressure spray rail.
2. high pressure co-rail diesel as claimed in claim 1, natural gas vehicle by double fuels electrical control system for engine, it is characterized in that: described diesel fuel tanks outlet is provided with the output solenoid valve, the output solenoid valve links to each other with high pressure spray rail by low-pressure delivery pump, diesel fuel filter and high pressure rear pump successively, and the output solenoid valve is connected with the dual-fuel controller signal with the diesel engine controller respectively with the high pressure rear pump.
3. high pressure co-rail diesel as claimed in claim 1, natural gas vehicle by double fuels electrical control system for engine, it is characterized in that: described natural gas bottle outlet is provided with the inflation solenoid valve, the inflation solenoid valve links to each other with high pressure spray rail with natural gas filter by reduction valve successively, and the inflation solenoid valve is connected with the dual-fuel controller signal.
4. high pressure co-rail diesel as claimed in claim 1, natural gas vehicle by double fuels electrical control system for engine is characterized in that: described diesel engine is provided with the CAP sensor, and the CAP sensor is connected with the dual-fuel controller signal.
5. as each described high pressure co-rail diesel of claim 1 to 4, natural gas vehicle by double fuels electrical control system for engine, it is characterized in that: also be connected with air pipe line and exhaust emission tube road in the described diesel engine firing chamber, air pipe line and exhaust emission tube road are communicated with, be provided with turbo charging installation between air inlet and the firing chamber, the exhaust emission tube road is provided with cooler, the exhaust emission tube road is provided with PFE Exhaust Pressure Transducer, and PFE Exhaust Pressure Transducer is connected with the dual-fuel controller signal.
6. high pressure co-rail diesel as claimed in claim 5, natural gas vehicle by double fuels electrical control system for engine is characterized in that: described air pipe line comprises main tracheae that links to each other with the firing chamber by turbo charging installation and the bronchus that directly links to each other with the firing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206705573U CN201963413U (en) | 2010-12-20 | 2010-12-20 | High-pressure common-rail engine electric control system for diesel and natural gas dual-fuel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206705573U CN201963413U (en) | 2010-12-20 | 2010-12-20 | High-pressure common-rail engine electric control system for diesel and natural gas dual-fuel vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201963413U true CN201963413U (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206705573U Expired - Fee Related CN201963413U (en) | 2010-12-20 | 2010-12-20 | High-pressure common-rail engine electric control system for diesel and natural gas dual-fuel vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201963413U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102787922A (en) * | 2012-09-04 | 2012-11-21 | 周继光 | Electronic control system for oil gas mixed fuel of engine |
| CN103104356A (en) * | 2011-11-10 | 2013-05-15 | 通用汽车环球科技运作有限责任公司 | System and method for circulating fuel through a direct injection pump of a bi-fuel engine |
| WO2015085371A1 (en) * | 2013-12-12 | 2015-06-18 | Mosaic Technology Development Pty Ltd | Vehicle fuel system |
| CN111237092A (en) * | 2020-03-10 | 2020-06-05 | 中科环能(天津)动力科技有限公司 | Ultra-low concentration gas engine combustion system and control method thereof |
-
2010
- 2010-12-20 CN CN2010206705573U patent/CN201963413U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104356A (en) * | 2011-11-10 | 2013-05-15 | 通用汽车环球科技运作有限责任公司 | System and method for circulating fuel through a direct injection pump of a bi-fuel engine |
| US9303605B2 (en) | 2011-11-10 | 2016-04-05 | GM Global Technology Operations LLC | System and method for circulating fuel through a direct injection pump of a bi-fuel engine |
| CN103104356B (en) * | 2011-11-10 | 2016-08-17 | 通用汽车环球科技运作有限责任公司 | Fuel is allowed to flow through the system of direct ejector pump of dual fuel engine |
| CN102787922A (en) * | 2012-09-04 | 2012-11-21 | 周继光 | Electronic control system for oil gas mixed fuel of engine |
| WO2015085371A1 (en) * | 2013-12-12 | 2015-06-18 | Mosaic Technology Development Pty Ltd | Vehicle fuel system |
| US9810185B2 (en) | 2013-12-12 | 2017-11-07 | Mosaic Technology Development Pty Ltd | Vehicle fuel system |
| AU2014361752B2 (en) * | 2013-12-12 | 2017-12-07 | Mosaic Technology Development Pty Ltd | Vehicle fuel system |
| CN111237092A (en) * | 2020-03-10 | 2020-06-05 | 中科环能(天津)动力科技有限公司 | Ultra-low concentration gas engine combustion system and control method thereof |
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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: 20110907 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |