CN202001118U - Methanol fuel combustion device for electric spray gasoline engine - Google Patents

Methanol fuel combustion device for electric spray gasoline engine Download PDF

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Publication number
CN202001118U
CN202001118U CN2011201032976U CN201120103297U CN202001118U CN 202001118 U CN202001118 U CN 202001118U CN 2011201032976 U CN2011201032976 U CN 2011201032976U CN 201120103297 U CN201120103297 U CN 201120103297U CN 202001118 U CN202001118 U CN 202001118U
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CN
China
Prior art keywords
gasoline
methyl alcohol
oil
methanol
fuel
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Expired - Fee Related
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CN2011201032976U
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Chinese (zh)
Inventor
姚志文
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WUHAN CHINA ENERGY TECHNOLOGY CO., LTD.
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姚志文
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use 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 a control device for fuel conversion of an engine, in particular to a methanol fuel combustion device for an electric spray gasoline engine. In the methanol fuel combustion device for the electric spray gasoline engine, a set of methanol oil supply units and an assorted control unit are additionally arranged on the original gasoline supply system, and four sets of electromagnetic valves (7) on the gasoline supply system and the methanol oil supply units are controlled through an auxiliary electronic control unit (ECU) to complete the oil inlet and return switchover of methanol and gasoline. Compared with the prior art, the methanol fuel combustion device for the electric spray gasoline engine has the characteristics of high adaptability, high reliability, high stability and low energy consumption.

Description

EFI petrol engine burning methanol fuel-device
Technical field
The utility model relates to the improvement of engine fuel system, particularly a kind of EFI petrol engine burning methanol fuel-device.
Background technique
Methanol fuel has power character height, good economy performance, good environmental protection, fuel-efficient advantage as the substitute fuel of automobile.In recent years, the M15 methanol gasoline that methyl alcohol is acted as a fuel uses on Shanxi, Shanghai and other places, more a high proportion of M85 and M100 need reequip former car, existing repacking mainly is to add cartridge controller to former car to make motor can use high-proportion methanol, but brings a series of problem: add methyl alcohol inconvenience 1.; 2. oil consumption increases when changeing back Fuel Petroleum.Conventional method is not when having methyl alcohol to use, and vehicle makes to use gasoline for the fuel to consume and strengthens, and discharging increases the weight of.This is that make the mixing of methyl alcohol and gasoline, controller can't accurately be controlled engine behavior because conventional method can not be waited until that methyl alcohol is finished to use up and add gasoline or gasoline again and use up and add methyl alcohol again, and this also brings inconvenience to use; 3. cold start-up difficulty.Aspect cold start-up, the main employing given air heating and heated two kinds to methyl alcohol in the prior art, give the method for air heating initial owing to the methyl alcohol of not lighting can enter in the machine oil along cylinder wall at engine start, this method has reduced the lubrication effect of machine oil to motor, and engine scuffing is strengthened.And another kind of method is because the methyl alcohol of preheating has entered in the oil nozzle at prestart, this part methyl alcohol can't obtain sufficient preheating, also can cause the same kind of result that method is the same, in addition, since pre-heating intaking or methyl alcohol need consume very electric weight, increased the weight of the loss of storage battery; 4. swelling oil pipe; 5. cause oil nozzle to stop up easily after the used car repacking.Conventional method still uses former car petrol tank as methanol tank, because methyl alcohol has very strong solution, in use colloid, the silt that deposits in fuel tank, the oil pipe can be dissolved, cause spray nozzle clogging, and, the solution of methyl alcohol can be dissolved the tackiness agent in the former automobile filter core, and filter core was lost efficacy.On the other hand, because methyl alcohol and gasoline cause the engine operation instability having under the situation of moisture content and can emulsification being arranged the generation layering; 6. oil mass misregister.Because methyl alcohol has electrochemical action to metal under the energising situation, former fuel tank electric pole type fuel-quantity transducer was together lost efficacy in a short time, the driver can't judge car internal combustion oil condition, also brings influence to traffic safety.
The model utility content
The purpose of this utility model is to provide a kind of reliable and stable EFI petrol engine burning methanol fuel-device.
The purpose of this utility model is achieved through the following channels: a kind of EFI petrol engine burning methanol fuel-device, it is installed on the former gasoline oil supply system, the gasoline oil supply system comprises former car fuel tank, the gasoline oil inlet pipe, the gasoline return tube, gasoline filter, two groups of solenoid valves, threeway, the gasoline fuel supply line, the oil rail, the EFI oil nozzle, motor and former car ECU, this device is made of methyl alcohol oil supply unit and control unit, described oil supply unit is to draw another road and gasoline fuel supply line methyl alcohol fuel supply line arranged side by side on oily rail, the methyl alcohol fuel supply line is communicated with methyl alcohol oil inlet pipe and methyl alcohol return tube respectively by threeway and two groups of solenoid valves, on the methyl alcohol oil inlet pipe filter core is installed, methyl alcohol oil inlet pipe and methyl alcohol return tube insert methanol tank respectively; Described control unit is that temperature control sensor is installed on motor, auxiliary ECU receive the signal of temperature control sensor and control the gasoline oil supply system and the methyl alcohol oil supply unit on the keying of four groups of solenoid valves, auxiliary ECU connects control EFI oil nozzle.
Further, be provided with the methanol solution quantity sensor that is connected with auxiliary ECU in the methanol tank,
Further, described methanol solution quantity sensor is formed by the epoxy resin encapsulation by hall sensor and magnet.
Further, methanol tank is made by the once-through of PE material.
Further, auxiliary external diverter switch of ECU and oil mass indication assembly.
Further, described filter core is a ceramic element.
The utility model EFI petrol engine burning methanol fuel-device compared with prior art, have following advantage: 1. adaptability is strong.Auxiliary ECU has multiple mode of operation in this device, can realize freely switching at two kinds of fuel rooms as required.2. reliability height.Methanol tank adopts the PE material, and thickness reaches 5mm, has guaranteed enough intensity in anti-methyl alcohol; Fuel oil sensor adopts epoxy resin encapsulation hall sensing device, isolates fully with methyl alcohol, has avoided the electrochemical action of methyl alcohol, has guaranteed the working life of sensor.3. good stability.Use ceramic element can filtering methyl alcohol in the above impurity of 0.1um, guarantee that engine operation is stable.Use former car gasoline pattern to start during startup, so long as the temperature environment that former car can start, native system all can normally start.4. energy consumption is low.Use this device under the situation that does not reduce former car performance, can save 40% fuel cost.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail:
Fig. 1 is the utility model structural representation.
Among the figure: former car ECU-1, auxiliary ECU-2, diverter switch and oil mass indication assembly-3, hall sensor-4, magnet-5, ceramic element-6, solenoid valve-7, threeway-8, temperature control sensor-9, methanol tank-10, former car fuel tank-11, oily rail-12, EFI oil nozzle-13, methyl alcohol oil inlet pipe-14, methyl alcohol return tube-15, gasoline oil inlet pipe-16, gasoline return tube-17, motor-18, gasoline filter-19, methyl alcohol fuel supply line-20, gasoline fuel supply line-21.
Embodiment
Existing gasoline oil supply system comprises former car fuel tank 11, gasoline oil inlet pipe 16, gasoline return tube 17, gasoline filter 19, two groups of solenoid valves 7, threeway 8, gasoline fuel supply line 21, oily rail 12, EFI oil nozzle 13, motor 18 and former car ECU1.
As shown in Figure 1, the utility model EFI petrol engine burning methanol fuel-device is to install one group of methyl alcohol oil supply unit and supporting control unit thereof on former gasoline oil supply system additional.Described oil supply unit is to draw another road and gasoline fuel supply line 21 methyl alcohol fuel supply line 20 arranged side by side on oily rail 12, methyl alcohol fuel supply line 20 is communicated with methyl alcohol oil inlet pipe 14 and methyl alcohol return tube 15 respectively by threeway 8 and two groups of solenoid valves 7, ceramic element 6 is installed on the methyl alcohol oil inlet pipe 14, and methyl alcohol oil inlet pipe 14 and methyl alcohol return tube 15 insert methanol tank 10 respectively; Described control unit is that temperature control sensor 9 is installed on motor 18, auxiliary ECU2 receive the signal of temperature control sensor 9 and control the gasoline oil supply system and the methyl alcohol oil supply unit on the keying of four groups of solenoid valves 7, be used to finish the advancing of methyl alcohol, gasoline, oil return is switched, the auxiliary external diverter switch of ECU2 and oil mass indication assembly 3 and EFI oil nozzle 13, diverter switch and oil mass indication assembly 3 adopt the LED indication 100% of different colours, 75%, 50%, 25% state.Methanol tank 10 is made by the once-through of PE material, be provided with the methanol solution quantity sensor in the methanol tank 10, the methanol solution quantity sensor is formed by the epoxy resin encapsulation by hall sensor 4 and magnet 5, it and methyl alcohol are isolated fully, hall sensor 4 is fixedly mounted on the fuel oil pump assembly, and magnet 5 is fixed on the float of fuel pump.
Diverter switch and oil mass indication assembly 3 are made of diverter switch and oil mass indication two-part.The oil mass indicating section receives the signal of methanol solution quantity sensor and sends indication, when the increase and decrease of float with oil mass moves up and down down, drive magnet 5 changes to the distance of Hall transducer 4, Hall transducer 4 is promptly exported the voltage of a variation, this voltage error that the fluctuation of liquid short time causes in filtering filtering methanol tank 10 drives 4 LED by the oil mass indicating section and indicates current oil mass.Diverter switch is connected with auxiliary ECU, and through light-coupled isolation.The indication of three states is finished in the working state indication by a dual-colored LED.
Working procedure of the present utility model and principle are as follows:
Acquiescence is operated under the automatic mode, temperature control sensor 9 temperature that are installed on the motor 18 are lower than 35 degree and motor 18 is under the flameout state when auxiliary ECU2 detects, auxiliary ECU2 control electromagnetic valve 7 is connected former car gasoline oil inlet pipe 16 and gasoline return tube 17, and control gasoline oil pump pump oil 20 seconds, methyl alcohol in the oily rail 12 is extruded, allow gasoline be full of oily rail 12, this process only is lower than 35 degree back actions once in the flame-out at every turn back of motor temperature.
During cold start-up, because gasoline has been full of oily rail 12, auxiliary ECU2 will control motor 18 by the startup of normal gasoline state, warm-up the engine 18, temperature control sensor 9 temperature on being installed in motor 18 are higher than 50 when spending, auxiliary ECU2 control electromagnetic valve 7 switches to the methyl alcohol pattern, and methyl alcohol advances fuel supply line 14 and supplies with oily rails 12 and return methanol tank 10 from methyl alcohol return tube 15 through ceramic element 6 methyl alcohol of flowing through.
Behind engine misses, gasoline oil inlet pipe 16 and gasoline return tube 17 and methyl alcohol fuel supply line 14 and methyl alcohol return tube 15 all disconnect, and only 9 temperature of the temperature control sensor on being installed in motor 18 are lower than 35 when spending, auxiliary ECU2 control electromagnetic valve 7 is connected gasoline oil inlet pipe 16 and gasoline return tube 17, and start petrol pump pump oil and be full of oily rail 12, promptly be cut to the gasoline consumption that gasoline causes after having avoided vehicle flame-out and strengthen.This control mode has guaranteed to use automatically when motor 18 starts gasoline to start the use inconvenience of having avoided frequent switching to cause simultaneously.
Manually, automatic switchover uses a button to finish, acquiescence for automatically, after pressing for the first time, switches under the gasoline pattern down, auxiliary ECU2 control electromagnetic valve 7 is connected former car gasoline oil inlet pipe 16 and gasoline return tube 17, and auxiliary ECU2 control motor 18 is by former car parameter work.After pressing for the second time, switch under the methyl alcohol pattern, auxiliary ECU2 control electromagnetic valve 7 is connected methyl alcohol and is advanced fuel supply line 14 and methyl alcohol return tube 15, and auxiliary ECU2 control motor 18 carries out work by the required parameter of methyl alcohol burning.Be cut to automatic mode after pressing for the third time once more, by corresponding status indicator lamp indication work at present state.This design in the simultaneous adaptation of having simplified the automobile operation panel needs of different operating state.

Claims (6)

1. EFI petrol engine burning methanol fuel-device, it is installed on the former gasoline oil supply system, the gasoline oil supply system comprises former car fuel tank (11), gasoline oil inlet pipe (16), gasoline return tube (17), gasoline filter (19), two groups of solenoid valves (7), threeway (8), gasoline fuel supply line (21), oil rail (12), EFI oil nozzle (13), motor (18) and former car ECU (1), it is characterized in that: this device is made of methyl alcohol oil supply unit and control unit, described oil supply unit is to draw another road and gasoline fuel supply line (21) methyl alcohol fuel supply line (20) arranged side by side on oily rail (12), methyl alcohol fuel supply line (20) is communicated with methyl alcohol oil inlet pipe (14) and methyl alcohol return tube (15) respectively by threeway (8) and two groups of solenoid valves (7), filter core (6) is installed on the methyl alcohol oil inlet pipe (14), and methyl alcohol oil inlet pipe (14) and methyl alcohol return tube (15) insert methanol tank (10) respectively; Described control unit is that temperature control sensor (9) is installed on motor (18), auxiliary ECU (2) receive the signal of temperature control sensor (9) and control the gasoline oil supply system and the methyl alcohol oil supply unit on the keying of four groups of solenoid valves (7), auxiliary ECU (2) connects control EFI oil nozzle (13).
2. EFI petrol engine burning methanol fuel-device as claimed in claim 1 is characterized in that: be provided with the methanol solution quantity sensor that is connected with auxiliary ECU (2) in the methanol tank (10),
3. EFI petrol engine burning methanol fuel-device as claimed in claim 2 is characterized in that: described methanol solution quantity sensor is formed by the epoxy resin encapsulation by hall sensor (4) and magnet (5).
4. EFI petrol engine burning methanol fuel-device as claimed in claim 1, it is characterized in that: methanol tank (10) is made by the once-through of PE material.
5. EFI petrol engine burning methanol fuel-device as claimed in claim 1 is characterized in that: auxiliary external diverter switch of ECU (2) and oil mass indication assembly (3).
6. EFI petrol engine burning methanol fuel-device as claimed in claim 1 is characterized in that: described filter core (6) is a ceramic element.
CN2011201032976U 2011-04-11 2011-04-11 Methanol fuel combustion device for electric spray gasoline engine Expired - Fee Related CN202001118U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201032976U CN202001118U (en) 2011-04-11 2011-04-11 Methanol fuel combustion device for electric spray gasoline engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201032976U CN202001118U (en) 2011-04-11 2011-04-11 Methanol fuel combustion device for electric spray gasoline engine

Publications (1)

Publication Number Publication Date
CN202001118U true CN202001118U (en) 2011-10-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102182569A (en) * 2011-04-11 2011-09-14 姚志文 Burnable methanol fuel device of electrospray gasoline engine
CN106224105A (en) * 2016-08-29 2016-12-14 贵州天鼎新能源有限公司 The control method of a kind of methanol and gasoline dual fuel engine and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102182569A (en) * 2011-04-11 2011-09-14 姚志文 Burnable methanol fuel device of electrospray gasoline engine
CN106224105A (en) * 2016-08-29 2016-12-14 贵州天鼎新能源有限公司 The control method of a kind of methanol and gasoline dual fuel engine and device

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Patentee before: Yao Zhiwen

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Owner name: WUHAN CHINA ENERGY TECHNOLOGY CO., LTD.

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Address before: 430010 Hanchuan city of Hubei province people's Road No. 284 fairy Street office Bo Ming Yuan Sheng Lin high

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CF01 Termination of patent right due to non-payment of annual fee