CN102787921A - Mixed combustion engine electric control system and control method thereof - Google Patents
Mixed combustion engine electric control system and control method thereof Download PDFInfo
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- CN102787921A CN102787921A CN2012102584323A CN201210258432A CN102787921A CN 102787921 A CN102787921 A CN 102787921A CN 2012102584323 A CN2012102584323 A CN 2012102584323A CN 201210258432 A CN201210258432 A CN 201210258432A CN 102787921 A CN102787921 A CN 102787921A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 12
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims abstract description 88
- 239000000446 fuel Substances 0.000 claims abstract description 29
- 239000002737 fuel gas Substances 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 56
- 239000000567 combustion gas Substances 0.000 claims description 37
- 239000003381 stabilizer Substances 0.000 claims description 27
- 238000002156 mixing Methods 0.000 claims description 14
- 238000001704 evaporation Methods 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 11
- 230000001276 controlling effect Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000002283 diesel fuel Substances 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000003915 liquefied petroleum gas Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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 invention provides a mixed combustion engine electric control system and a control method thereof. The system comprises a main control tank, an engine and a fuel storing system, wherein a line bank, an ECU (Electronic Control Unit) and a main power switch are arranged in the main control tank; an electromagnetic valve, a fuel gas filter and a flow controller which are connected in sequence are arranged in the main control tank; a dimethyl ether filter and a flow sensor which are connected with each other are arranged in the main control tank; the fuel storing system comprises a fuel gas tank and a dimethyl ether storage tank; the electromagnetic valve, the flow controller and the flow sensor are electrically connected with the line bank; the electromagnetic valve is communicated with the fuel gas tank; the flow controller is communicated with a mixer and the engine; the dimethyl ether filter is communicated with the dimethyl ether storage tank; the flow sensor is communicated with a high-pressure pump and the engine; and the line bank is electrically connected with a debugging system and an accelerator stroke control valve respectively. The flow controller and the control valve are controlled accurately by acquiring an input signal of the flow sensor and an auxiliary input signal of each sensor through the ECU, so that economic, environment-friendly and stable running of the engine can be ensured.
Description
Technical field
The present invention relates to a kind of electrical control system for engine, relate in particular to the automatical control system and the controlling method thereof of a kind of dimethyl ether, liquefaction/compressed gas (rock gas, shale gas, coal-seam gas) mixing combustion engine.
Background technique
In recent years; Energy shortage and environmental pollution problem have become the focus of world attention problem; Change the style of economic increase of traditional high energy consumption, high pollution, widely popularize energy-saving and emission-reduction, development is the low-carbon economy of sign with low energy consumption, low emission; Realize sustainable development, becoming the common selection of countries in the world economic development.The essence of low-carbon economy is high-energy source utilization ratio and clean energy resource structure problem, and core is exactly the innovation of energy technology.
As developing power, China is being faced with world's stern challenge the most since the dawn of human civilization aspect the environment and the energy.Diesel oil, petrol power car and boat exhaust emissions have accounted for 70% of whole pollution of atmosphere, even 90%.It is exhausted that petroleum resources constantly move towards, and externally interdependency surpasses 50%, and energy crisis will be inevitable.Utilize if do not make great effort and develop various energy resources, will face the energy starved serious problems in future soon so.
Dimethyl ether comes into one's own as the clean fuel that changes into from coal day by day, becomes carbon one chemical product of the superior performance of competitively developing in recent years both at home and abroad.As the alternative fuel of LPG and petroleum-type, dimethyl ether is to have and the similar chemical product of the physical property of LPG, when burning, can not produce the gas that destroys environment, can cheaply and in large quantities produce, and it is the same with methane, and one of energy that becomes 21 century is supposed to.As its accumulating of domestic fuel gas, combustion safety, performance index such as premix gas calorific value and theoretical temperature combustion all are superior to liquefied petroleum gas.
Equally, China's conventional gas reserves are abundant, and unconventional gas reservess such as combustible ice, shale gas, coal-seam gas are huge especially.Have safe in utilization, advantages such as calorific value is high, cleaning, the no waste residue in burning back, waste water produce.
At present, existing diesel oil, natural gas double fuel engine all are to be formed by the diesel engine transformation, and its technique of improvement route is on the DENG machine, to increase a cover diesel oil, rock gas dispensing control mechanism.Though this diesel oil, natural gas double fuel engine to DENG change less, be easy to realize; But the proportioning control accuracy between diesel oil and two kinds of fuel of rock gas is not high; Can not adapt to the requirement of various complex working conditions, so the power character of motor, fuel economy and exhaust emissions are difficult to the level that reaches higher.
Summary of the invention
A purpose of the present invention is; Propose a kind of right electrical control system for engine that mixes, it is a main fuel with liquefaction/compressed gas, and a small amount of dimethyl ether is as igniting; Accurate control through to flow dontroller and solenoid valve, throttle stroke control valve can guarantee motor economy, environmental protection, steady running;
Another object of the present invention is to; A kind of controlling method of mixing right electrical control system for engine is provided; It utilizes ECU that solenoid valve, flow dontroller and throttle stroke control valve are accurately controlled, and finally reaches the purpose of stable engine power, raising fuel economy, reduction exhaust emissions.
For realizing above-mentioned purpose; The present invention provides a kind of right electrical control system for engine that mixes; Comprise Main Control Tank, motor and the fuel storage system that is communicated with motor through pipeline; The ECU and the total power switch that include line bank in this Main Control Tank, electrically connect respectively with line bank; Comprise the solenoid valve, combustion gas filter cleaner and the flow dontroller that connect successively in the said Main Control Tank, also comprise the dimethyl ether filter cleaner and the flow transducer that connect successively in this Main Control Tank, said fuel storage system comprises gas can and dimethyl ether storage tank; Said solenoid valve, flow dontroller and flow transducer one end electrically connect with line bank respectively; This solenoid valve one end is connected with gas can through suction tude, and flow dontroller one end is connected with a mixer and motor through steam outlet pipe successively; This dimethyl ether filter cleaner one end is connected with the dimethyl ether storage tank through pipeline, and flow transducer one end is connected with a high-pressure service pump and motor through pipeline successively; Said line bank also electrically connects a debug system and throttle stroke control valve respectively, includes the hand-held debugging appearance that the service data display device that electrically connects with line bank, is communicated by letter and is connected with this service data display device in this debug system.
Gas can among the present invention can be a liquefaction gas jar, is connected with an evaporating pot between this liquefaction gas jar and the solenoid valve, and evaporating pot one end is connected with solenoid valve through suction tude, and the other end is through two water-cooling tubes and motor diconnected; Also be provided with a voltage stabilizer between said solenoid valve and the combustion gas filter cleaner, be connected through a supercharging expansion pipe between this voltage stabilizer and the motor; Be connected through suction tude between said liquefaction gas jar, evaporating pot, solenoid valve and the voltage stabilizer, be connected through steam outlet pipe between voltage stabilizer, combustion gas filter cleaner, flow dontroller, mixer and the motor.
Wherein, Suction tude between said solenoid valve and the voltage stabilizer is provided with a boost gauge; Steam outlet pipe between voltage stabilizer and the combustion gas filter cleaner is provided with the pressure gauge of giving vent to anger; This boost gauge is respectively equipped with a pressure transducer with pressure gauge one side of giving vent to anger, and this two pressure transducers, one end electrically connects with line bank respectively.
Perhaps, the gas can among the present invention can be a canister of pressurized fuel gas, also is provided with a decompressor between said solenoid valve and the combustion gas filter cleaner, is provided with through two water-cooling tube diconnecteds between this decompressor and the motor; Be connected through suction tude between said canister of pressurized fuel gas, solenoid valve and the decompressor, be connected through steam outlet pipe between decompressor, combustion gas filter cleaner, flow dontroller, mixer and the motor.
Wherein, Suction tude between said solenoid valve and the decompressor is provided with a boost gauge; Steam outlet pipe between decompressor and the combustion gas filter cleaner is provided with the pressure gauge of giving vent to anger; This boost gauge is respectively equipped with a pressure transducer with pressure gauge one side of giving vent to anger, and this two pressure transducers, one end electrically connects with line bank respectively.
Among the present invention, said solenoid valve one end also electrically connects a solenoid valve auxiliary switch, and this solenoid valve auxiliary switch one end and line bank electrically connect, and this line bank also electrically connects with a storage battery.
In addition, said Main Control Tank one side is provided with supercharging expansion pipe interface, suction tude interface, steam outlet pipe interface, dimethyl ether inlet pipe interface and dimethyl ether successively and goes out interface tube; Voltage stabilizer or decompressor utilize a supercharging expansion pipe to be connected with motor through this supercharging expansion pipe interface; Solenoid valve utilizes a suction tude to be connected with gas can through this suction tude interface; Flow dontroller utilizes a steam outlet pipe to be connected with mixer through this steam outlet pipe interface; The dimethyl ether filter cleaner utilizes an inlet pipe road to be connected with the dimethyl ether storage tank through this dimethyl ether inlet pipe interface, and flow transducer goes out interface tube through this dimethyl ether and utilizes one to go out pipeline and be connected with high-pressure service pump.
Moreover the present invention also comprises an exhaust temperature sensor, oxidation sensor, speed probe and vehicle speed sensor; This exhaust temperature sensor and oxidation sensor one end are connected with outlet pipe respectively, and the other end electrically connects with line bank respectively; This speed probe and vehicle speed sensor one end are connected with gear-box respectively, and the other end electrically connects with line bank respectively.
Further, the present invention also provides a kind of controlling method of mixing right electrical control system for engine, and it comprises:
Said ECU is when motor moves; The auxiliary input signal of acquisition stream quantity sensor input signal and air inlet pressure sensor, the pressure transducer of giving vent to anger, exhaust temperature sensor, oxidation sensor, speed probe and vehicle speed sensor; And carry out computing, processing, judgement according to the program and the data of ECU internal memory; Change the result of computing into control signal; And the output signal instruction, through flow dontroller and solenoid valve, throttle stroke control valve are controlled, accomplish the running of motor under power demand.
Concrete, said solenoid valve receives the control signal from ECU, opens path; Combustion gas is delivered to voltage stabilizer or decompressor; By stablizing of voltage stabilizer or decompressor control gaseous-pressure, and be delivered to the combustion gas filter cleaner, the combustion gas filter cleaner is delivered to flow dontroller after filtering the impurity in the combustion gas; Flow dontroller is regulated gas flow according to the ECU control signal that receives, and is delivered to mixer then, after mixer mixes combustion gas, even air,, be delivered to motor, supply engine combustion.
Right electrical control system for engine and the controlling method thereof of mixing of the present invention; This automatical control system be a kind of be main fuel with liquefaction/compressed gas (rock gas, shale gas, coal-seam gas); A small amount of dimethyl ether is as the mixing combustion engine system of igniting; It not only can be monitored motor natural fuel consumption under various conditions in real time; Can also be with this fuel consumption as Control Parameter; Utilize ECU that solenoid valve, flow dontroller and throttle stroke control valve are accurately controlled, thereby can guarantee motor equal accurate control that can realize that liquefaction/compressed gas and dimethyl ether supply proportioning, fuel always consume under various situation, finally reach the purpose of stable engine power, raising fuel economy, reduction exhaust emissions.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technological scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation that mixes a kind of specific embodiment of right electrical control system for engine of the present invention;
Fig. 2 is the structural representation that mixes the another kind of specific embodiment of right electrical control system for engine of the present invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technological scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
As shown in Figure 1; The present invention provides a kind of right electrical control system for engine that mixes; It comprises Main Control Tank 10, motor 20 and the fuel storage system that is communicated with motor 20 through pipeline; 10 electronic control unit (the ECU:Electronic Control Unit) 30 and the total power switch 40 that include line bank 11, electrically connect with line bank 11 respectively in this Main Control Tank; Comprise the solenoid valve 12, combustion gas filter cleaner 13 and the flow dontroller 14 that connect successively in the said Main Control Tank 10, also comprise the dimethyl ether filter cleaner 22 and the flow transducer 23 that connect successively in this Main Control Tank 10, said fuel storage system comprises gas can and dimethyl ether storage tank 50; Said solenoid valve 12, flow dontroller 14 and flow transducer 23 1 ends electrically connect with line bank 11 respectively; These solenoid valve 12 1 ends are connected with gas can through suction tude, and flow dontroller 14 1 ends are connected with a mixer 15 and motor 20 through steam outlet pipe successively; These dimethyl ether filter cleaner 22 1 ends are connected with dimethyl ether storage tank 50 through pipeline, and flow transducer 23 1 ends are connected with a high-pressure service pump 24 and motor 20 through pipeline successively; Said line bank 11 also electrically connects a debug system and throttle stroke control valve 70 respectively, includes the hand-held debugging appearance 64 that is connected with these service data display device 62 communications with the service data display device 62, of line bank 11 electric connections in this debug system.
Of the present invention mix right electrical control system for engine be a kind of be main fuel with liquefaction/compressed gas (rock gas, shale gas, coal-seam gas); A small amount of dimethyl ether is as the mixing combustion engine system of igniting; Therefore; As a kind of selectivity embodiment of the present invention, said gas can be a liquefaction gas jar 80, is connected with an evaporating pot 82 between this liquefaction gas jar 80 and the solenoid valve 12; Evaporating pot 82 1 ends are connected with solenoid valve 12 through suction tude, and the other end is through two water-cooling tubes and motor 20 diconnecteds.In the specific embodiment of the invention; This evaporating pot 82 can connect the cooling water tank of liquefaction gas pipe 80 and motor 20; Liquefaction gas absorbs the recirculated cooling water of engine cold water tank in evaporating pot 82 heat is forced heating; Change gas into, the combustion gas after the gasification is delivered to solenoid valve 12 from evaporating pot 82.Among the present invention, between said solenoid valve 12 and combustion gas filter cleaner 13, also be provided with a voltage stabilizer 16, be connected through a supercharging expansion pipe between this voltage stabilizer 16 and the motor 20.Be connected through suction tude between said liquefaction gas jar 80, evaporating pot 82, solenoid valve 12 and the voltage stabilizer 16, be connected through steam outlet pipe between voltage stabilizer 16, combustion gas filter cleaner 13, flow dontroller 14, mixer 15 and the motor 20.Wherein, Suction tude between said solenoid valve 12 and the voltage stabilizer 16 is provided with a boost gauge 17; Steam outlet pipe between voltage stabilizer 16 and the combustion gas filter cleaner 13 is provided with the pressure gauge 18 of giving vent to anger; This boost gauge 17 is respectively equipped with a pressure transducer 172,182 with pressure gauge 18 1 sides of giving vent to anger, and these two pressure transducers, 172,182 1 ends electrically connect with line bank 11 respectively.In the present invention, said boost gauge 17 is used for carrying out Pressure testing through the high-pressure gas in the suction tude, and sends suction tude gaseous-pressure signal to ECU30 through line bank 11 through pressure transducer 172; The said pressure gauge 18 of giving vent to anger is used for carrying out Pressure testing through the low-pressure fuel gas in the steam outlet pipe, and sends steam outlet pipe gaseous-pressure signal to ECU30 through line bank 11 through pressure transducer 182.
Among the present invention, said line bank 11 also electrically connects with an automobile storage battery 60, and this storage battery 60 provides power supply to supply with for whole mixed right electrical control system for engine.As a kind of preferred embodiment of the present invention, can also electrically connect a solenoid valve auxiliary switch 122 at said solenoid valve 12 1 ends, these solenoid valve auxiliary switch 122 1 ends and line bank 11 electrically connect.Because storage battery 60 is only just supplied power when car engine; And because the setting of this solenoid valve auxiliary switch 122; Make solenoid valve auxiliary switch 122 through line bank 11 direct and storage battery 60 connections; Even when automobile does not start, also can utilize solenoid valve auxiliary switch 122 directly to supply power for system through storage battery 60.The present invention is in concrete the application; Mixer 15 can install at an automobile turbocharger (not shown) afterwards; This automobile turbocharger increases air inflow through pressurized air, can not strengthen power and the torsion that engine displacement just can improve motor greatly.
Moreover; In the specific embodiment of the invention; Said Main Control Tank 10 is circumscribed with five pipelines; These five pipe interfaces can be arranged at Main Control Tank 10 right sides, and it is followed successively by supercharging expansion pipe interface 101, suction tude interface 102, steam outlet pipe interface 103, dimethyl ether inlet pipe interface 104 and dimethyl ether from top to bottom and goes out interface tube 105.Voltage stabilizer 16 utilizes a supercharging expansion pipe to be connected with motor 20 through this supercharging expansion pipe interface 101; Solenoid valve 12 utilizes a suction tude to be connected with liquefaction gas jar 80 through this suction tude interface 102; Flow dontroller 14 utilizes a steam outlet pipe to be connected with mixer 15 through this steam outlet pipe interface 103; Dimethyl ether filter cleaner 22 utilizes an inlet pipe road to be connected with dimethyl ether storage tank 50 through this dimethyl ether inlet pipe interface 104, and flow transducer 23 goes out interface tube 105 through this dimethyl ether and utilizes one to go out pipeline and be connected with high-pressure service pump 24.
In addition, the present invention also comprises an exhaust temperature sensor 111, oxidation sensor 112, speed probe 113 and vehicle speed sensor 114.This exhaust temperature sensor 111 and oxidation sensor 112 1 ends are connected with outlet pipe 110 respectively, and the other end electrically connects with line bank 11 respectively.This speed probe 113 and vehicle speed sensor 114 1 ends are connected with gear-box 130 respectively, and the other end electrically connects with line bank 11 respectively.The effect of said exhaust temperature sensor 111 is assurance system proper functioning, in case motor 20 temperature anomalies can stop the native system operation.Oxidation sensor 112 remains on ideal air-fuel ratio in order to guarantee combination gas concentration always, so that better discharged and fuel economy.Speed probe 113 is used to gather Operational Limits, the working condition of motor 20 correspondences.When motor 20 operations; ECU30 gathers the input signal of air inlet pressure sensor 172, the pressure transducer 182 of giving vent to anger, exhaust temperature sensor 111, oxidation sensor 112, speed probe 113 and vehicle speed sensor 114; Utilize above-mentioned input signal to confirm the information such as fuel gas supply and air inflow of motor 20 current working; Through basic data and data correction formula current each operating mode load, rotating speed are compared calculating; Export correct command information control electromagnetic valve 12, flow dontroller 14 and throttle stroke control valve 70, thereby control motor 20 there is suitable gas flow to obtain the desirable target air-fuel ratio under each operating mode.
As shown in Figure 2; As another kind of selectivity embodiment of the present invention; The difference of itself and the foregoing description is; Said gas can be a canister of pressurized fuel gas 80 ', between said solenoid valve 12 and the combustion gas filter cleaner 13 decompressor 16 ' is set, and is provided with through two water-cooling tube diconnecteds between this decompressor 16 ' and the motor 20.Be connected through suction tude between said canister of pressurized fuel gas 80 ', solenoid valve 12 and the decompressor 16 ', be connected through steam outlet pipe between decompressor 16 ', combustion gas filter cleaner 13, flow dontroller 14, mixer 15 and the motor 20.Wherein, On the suction tude between said solenoid valve 12 and the decompressor 16 ', be provided with a boost gauge 17; Steam outlet pipe between decompressor 16 ' and the combustion gas filter cleaner 13 is provided with the pressure gauge 18 of giving vent to anger; Boost gauge 17 is respectively equipped with a pressure transducer 172,182 with pressure gauge 18 1 sides of giving vent to anger, and these two pressure transducers, 172,182 1 ends electrically connect with line bank 11 respectively.This pressure transducer 172 is an air inlet pressure sensor, and it is used for sending the pressure signal of suction tude to ECU30; 182 of pressure transducers are the pressure transducer of giving vent to anger, and it is used for sending the pressure signal of steam outlet pipe to ECU30.In this specific embodiment; Said Main Control Tank 10 1 sides are provided with supercharging expansion pipe interface 101, suction tude interface 102, steam outlet pipe interface 103, dimethyl ether inlet pipe interface 104 and dimethyl ether equally successively and go out interface tube 105, and decompressor 16 ' then utilizes a supercharging expansion pipe to be connected with motor 20 through this supercharging expansion pipe interface 101.
Of the present invention mixing in the right electrical control system for engine; Debug system is made up of service data display device 62 and hand-held debugging appearance 64; It is installed in the operator cabin, and service data display device 62 is placed on the instrument panel, the real time status of driver's viewing system operation at any time.Hand-held debugging appearance 64 needs to open through electron key, and professional adjustor can the control of input parameter and instruction should mix right electrical control system for engine, realized the intelligent regulator of facilitation.
Further, the present invention also provides a kind of controlling method of mixing right electrical control system for engine, and it comprises:
ECU30 is when motor 20 operations; Gather the input signal of air inlet pressure sensor 172, the pressure transducer 182 of giving vent to anger, exhaust temperature sensor 111, oxidation sensor 112, speed probe 113 and vehicle speed sensor 114; And carry out computing, processing, judgement according to the program and the data of ECU internal memory; Change the result of computing into control signal, and the output signal instruction, through solenoid valve 12, flow dontroller 14 and throttle stroke control valve 70 are accurately controlled; Accomplish the running of motor under power demand, guarantee motor economy, environmental protection, steady running.In the present invention; Said ECU30 has computing and control function, and it can be arranged at Main Control Tank 10 inner top positions, when motor moves; It can through to motor 20 natural fuel consumption under various conditions monitor in real time; Can also export signal instruction then with this fuel consumption as Control Parameter, so that solenoid valve 12, flow dontroller 14 and throttle stroke control valve 70 are accurately controlled; Thereby can guarantee motor equal accurate control that can realize that liquefaction/compressed gas and dimethyl ether supply proportioning, fuel always consume under various situation, finally reach the purpose of stable engine power, raising fuel economy, reduction exhaust emissions.In the specific embodiment of the invention; The control signal that said solenoid valve 12 receives from ECU30; Open path, combustion gas is delivered to voltage stabilizer 16 or decompressor 16 ', by stablizing of voltage stabilizer 16 or decompressor 16 ' control gaseous-pressure; And be delivered to combustion gas filter cleaner 13, be delivered to flow dontroller 14 behind the impurity that combustion gas filter cleaner 13 filters in the combustion gas.Flow dontroller 14 is accurately regulated gas flow according to the ECU control signal that receives, and is delivered to mixer 15 then.Mixer 15 is delivered to motor 20 after combustion gas, air are pressed the best combustion mixed, supplies engine combustion, to save the energy.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. mixing combustion engine automatical control system; Comprise Main Control Tank, motor and the fuel storage system that is communicated with motor through pipeline; The ECU and the total power switch that include line bank in this Main Control Tank, electrically connect respectively with line bank; It is characterized in that; Comprise the solenoid valve, combustion gas filter cleaner and the flow dontroller that connect successively in the said Main Control Tank, also comprise the dimethyl ether filter cleaner and the flow transducer that connect successively in this Main Control Tank, said fuel storage system comprises gas can and dimethyl ether storage tank; Said solenoid valve, flow dontroller and flow transducer one end electrically connect with line bank respectively; This solenoid valve one end is connected with gas can through suction tude, and flow dontroller one end is connected with a mixer and motor through steam outlet pipe successively; This dimethyl ether filter cleaner one end is connected with the dimethyl ether storage tank through pipeline, and flow transducer one end is connected with a high-pressure service pump and motor through pipeline successively; Said line bank also electrically connects a debug system and throttle stroke control valve respectively, includes the hand-held debugging appearance that the service data display device that electrically connects with line bank, is communicated by letter and is connected with this service data display device in this debug system.
2. mixing combustion engine automatical control system as claimed in claim 1; It is characterized in that; Said gas can is a liquefaction gas jar; Be connected with an evaporating pot between this liquefaction gas jar and the solenoid valve, evaporating pot one end is connected with solenoid valve through suction tude, and the other end is through two water-cooling tubes and motor diconnected; Also be provided with a voltage stabilizer between said solenoid valve and the combustion gas filter cleaner, be connected through a supercharging expansion pipe between this voltage stabilizer and the motor; Be connected through suction tude between said liquefaction gas jar, evaporating pot, solenoid valve and the voltage stabilizer, be connected through steam outlet pipe between voltage stabilizer, combustion gas filter cleaner, flow dontroller, mixer and the motor.
3. mixed right electrical control system for engine as claimed in claim 2; It is characterized in that; Suction tude between said solenoid valve and the voltage stabilizer is provided with a boost gauge; Steam outlet pipe between voltage stabilizer and the combustion gas filter cleaner is provided with the pressure gauge of giving vent to anger, and this boost gauge is respectively equipped with a pressure transducer with pressure gauge one side of giving vent to anger, and this two pressure transducers, one end electrically connects with line bank respectively.
4. mixed right electrical control system for engine as claimed in claim 1; It is characterized in that; Said gas can is a canister of pressurized fuel gas, also is provided with a decompressor between said solenoid valve and the combustion gas filter cleaner, is provided with through two water-cooling tube diconnecteds between this decompressor and the motor; Be connected through suction tude between said canister of pressurized fuel gas, solenoid valve and the decompressor, be connected through steam outlet pipe between decompressor, combustion gas filter cleaner, flow dontroller, mixer and the motor.
5. mixing combustion engine automatical control system as claimed in claim 4; It is characterized in that; Suction tude between said solenoid valve and the decompressor is provided with a boost gauge; Steam outlet pipe between decompressor and the combustion gas filter cleaner is provided with the pressure gauge of giving vent to anger, and this boost gauge is respectively equipped with a pressure transducer with pressure gauge one side of giving vent to anger, and this two pressure transducers, one end electrically connects with line bank respectively.
6. like claim 3 or 5 described mixed right electrical control system for engines, it is characterized in that said solenoid valve one end also electrically connects a solenoid valve auxiliary switch, this solenoid valve auxiliary switch one end and line bank electrically connect, and this line bank also electrically connects with a storage battery.
7. mixing combustion engine automatical control system as claimed in claim 6 is characterized in that, said Main Control Tank one side is provided with supercharging expansion pipe interface, suction tude interface, steam outlet pipe interface, dimethyl ether inlet pipe interface and dimethyl ether successively and goes out interface tube; Voltage stabilizer or decompressor utilize a supercharging expansion pipe to be connected with motor through this supercharging expansion pipe interface; Solenoid valve utilizes a suction tude to be connected with gas can through this suction tude interface; Flow dontroller utilizes a steam outlet pipe to be connected with mixer through this steam outlet pipe interface; The dimethyl ether filter cleaner utilizes an inlet pipe road to be connected with the dimethyl ether storage tank through this dimethyl ether inlet pipe interface, and flow transducer goes out interface tube through this dimethyl ether and utilizes one to go out pipeline and be connected with high-pressure service pump.
8. mixed right electrical control system for engine as claimed in claim 7 is characterized in that, also comprises an exhaust temperature sensor, oxidation sensor, speed probe and vehicle speed sensor; This exhaust temperature sensor and oxidation sensor one end are connected with outlet pipe respectively, and the other end electrically connects with line bank respectively; This speed probe and vehicle speed sensor one end are connected with gear-box respectively, and the other end electrically connects with line bank respectively.
9. one kind like each described controlling method of mixing right electrical control system for engine among the claim 1-8; It is characterized in that; Said ECU gathers the input signal of air inlet pressure sensor, the pressure transducer of giving vent to anger, exhaust temperature sensor, oxidation sensor, speed probe and vehicle speed sensor when motor moves, and carries out computing, processing, judgement according to the program and the data of ECU internal memory; Change the result of computing into control signal; And the output signal instruction, through solenoid valve, flow dontroller and throttle stroke control valve are controlled, accomplish the running of motor under power demand.
10. controlling method of mixing right electrical control system for engine as claimed in claim 9; It is characterized in that said solenoid valve receives the control signal from ECU, open path; Combustion gas is delivered to voltage stabilizer or decompressor; By stablizing of voltage stabilizer or decompressor control gaseous-pressure, and be delivered to the combustion gas filter cleaner, the combustion gas filter cleaner is delivered to flow dontroller after filtering the impurity in the combustion gas; Flow dontroller is regulated gas flow according to the ECU control signal that receives, and is delivered to mixer then, and mixer is delivered to motor after combustion gas, even air are mixed, and supplies engine combustion.
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