CN201078276Y - Fuel-saving controller - Google Patents
Fuel-saving controller Download PDFInfo
- Publication number
- CN201078276Y CN201078276Y CNU2007200550859U CN200720055085U CN201078276Y CN 201078276 Y CN201078276 Y CN 201078276Y CN U2007200550859 U CNU2007200550859 U CN U2007200550859U CN 200720055085 U CN200720055085 U CN 200720055085U CN 201078276 Y CN201078276 Y CN 201078276Y
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- controller
- microcomputer controller
- signal
- oil
- microcomputer
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Abstract
The utility model discloses an oil saving controller, comprises a microcomputer controller and a rotate speed signal testing circuit connected with an internal terminal of the microcomputer controller; wherein, a shift signal testing circuit is connected with the other internal terminal of the microcomputer controller, the rotate speed signal and the shift signal output the control signal after the logic operation of the microcomputer controller and air airflow of the engine can be adjusted through a control switch. The utility model is characterized in that a multi-signal acquisition mode is adopted for collecting the rotate speed signal and the shift signal of the engine and identifying the rotate speed exactly at any working point. The air inflow of the engine can be controlled and adjusted exactly by the microcomputer controller under the working state of different shifts of the engine, so as to reach an optimal combustion ratio for the fully combustion, and accordingly to control the discharge amount of pollutants effectively and meet the EU III standard. The fuel can be saved and the environment for human beings can be protected.
Description
Technical field
The utility model relates to the fuel-saving control technical field, particularly a kind ofly is applied to petrolic fuel-economizing control device.
Background technique
At present, the gasoline-saving device that petrol engine generally adopts is to come control electromagnetic valve to regulate air inflow by gathering single tach signal, it can't the accurate recognition motor at the rotating speed of any operation point, also just correctly identification of Engine in the working state of each operation point, therefore, accurately automatically controlled engine in the air inlet amount of each operation point.
For example, Chinese invention patent CN 1008386B in notice of authorization on June 13 nineteen ninety, a kind of microcomputer control petrol engine fuel saving method and device are disclosed, be tach signal and load parameter (throttle position signal) by measuring motor, send into and output control signals to the additional-air inlet control gear after microcomputer is handled, regulate the air fuel ratio (mixed proportion of air and fuel oil) of motor, fuel oil is fully burnt.
Chinese utility model patent CN 2516713Y in notice of authorization on October 16th, 2002, disclose a kind of electrically controlled gas supplementing device,, carried out secondary air compensating to engine by microprocessor control by detecting the tach signal of car engine, adjust the proportions of ingredients of air and fuel oil, fuel oil is fully burnt.
Chinese utility model patent CN 2625592Y in notice of authorization on July 14th, 2004, the little supercharging electric control device of a kind of petrol engine is disclosed, by rotary speed information (obtaining) and the information on load (obtaining) that obtains petrol engine by throttle sensor by ignition system, replenish air by electronic controller output control signal to motor, regulate the air fuel ratio of motor, fuel oil is fully burnt.
In disclosed Chinese invention patent application CN 101003274A on July 25th, 2007, a kind of prompt method for vehicle to save oil is disclosed, by detection of engine current working speed and the work at present gear value of calculating acquisition, judge whether whether constant-speed driving and work at present gear are economic gear to automobile, and then send information to the driver, change the work at present gear by driver's operation, to realize fuel economy.
Above-described various engine fuel-saving apparatus all is the working staties of mainly gathering the tach signal identification of Engine, and then regulates the air fuel ratio of motor, to reach the firing effect of fuel oil the best, realizes the fuel-economizing purpose.But, because vehicle tach signal in the process of moving can not uniquely be indicated the motor current working state accurately, for example under the same rotational speed situation when different gear, the working state of motor is inequality, but only judge the accurate working state that just can't draw motor, just can't regulate the air fuel ratio of motor with this control signal of sending accurately according to tach signal.
Summary of the invention
At the deficiencies in the prior art, the purpose of this utility model is to provide a kind of employing many signals collecting, and accurately identification of Engine is in the working state of any operation point, and by the fuel-economizing control device of microcomputer controller regulating and controlling air input of engine by air.
The technological scheme that the utility model adopted: a kind of saving controller of oil, comprise microcomputer controller, and the tach signal testing circuit that is connected with its input end, another input end of described microcomputer controller is connected with the gear signal testing circuit, described tach signal and gear signal are after the logical operation of microcomputer controller, output control signal, and the air inflow of regulating motor by control switch.
Above-mentioned tach signal is connected with the input end of microcomputer controller by optical coupler.
Above-mentioned gear signal is connected with another input end of microcomputer controller by the current limliting protective circuit of voltage regulation.
The output terminal of above-mentioned microcomputer controller connects at least one solenoid valve, is used to regulate the air inflow of motor.
Above-mentioned microcomputer controller also is connected with at least one communication interface, is used to connect host computer or other external equipment.Described microcomputer controller is connected with host computer by communication interface, is used to upload and the downloaded software program; Described microcomputer controller is connected with hand-held instrument by another communication interface, is used for being provided with and revising the tonifying Qi parameter.
Above-mentioned microcomputer controller is a single-chip microcomputer.
Distinguishing feature of the present utility model is the acquisition mode that it adopts many signals; gather the tach signal and the gear signal of motor simultaneously; the rotating speed of identification of Engine under different gears exactly; and according to the working state of motor under various different gears; by the microcomputer controller air inflow of regulating and controlling engine combustion accurately; make air fuel ratio (mixed proportion of air and fuel oil) reach best combustion ratio; impel fuel oil perfect combustion; thereby control pollutant (hydrocarbon HC effectively; nitrogen oxide NOx; carbon monoxide CO) discharge amount; make discharging reach EUROIII Emission Standard; save fuel oil, the human environment of depending on for existence of protection.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is a physical circuit schematic diagram of the present utility model.
Embodiment
Below be example with the motor of motorcycle, introduce mode of execution of the present utility model in detail:
As shown in Figure 1; saving controller of oil described in the utility model; comprise microcomputer controller (for example single-chip microcomputer); the input end of described microcomputer controller is connected with tach signal (pulse signal) testing circuit and gear signal testing circuit respectively; wherein; one of tach signal input end by optical coupler and microcomputer controller is connected, and gear signal is connected with another input end of microcomputer controller by the current limliting protective circuit of voltage regulation.Described tach signal and gear signal are exported control signal after the internal logic computing of microcomputer controller, and pass through the opening and closing of control switch control electromagnetic valve and then the air inflow of regulating motor.In addition, described microcomputer controller also is provided with two communication interfaces, and wherein communication interface 1 is used to connect host computer, realizes the programming Control to microcomputer controller; Another communication interface 2 is used to connect other external control apparatuss (as hand-held instrument etc.), carries out the scene and is provided with, revises various data or parameter.
As shown in Figure 2, the utility model adopts the microcomputerized control technology according to the characteristics of petrolic performance characteristic and pollutant emission thereof, gathers gear signal and tach signal automatically.Wherein: PIN+ is a tach signal, and R3 is a sampling resistor, and tach signal is isolated signal after resistance R 6 is delivered to input end the 4th pin of single-chip microcomputer U1 by optical coupler U5 through sampling resistor R3 again.GI0～GI5 is the gear signal of motorcycle, behind current-limiting resistance R8～R13 and zener diode Z0～Z5, is connected to input end the 23rd～28 pin of single-chip microcomputer U1 by diode D0～D5 respectively.
Single-chip microcomputer U1 receives after above-mentioned tach signal and the gear signal, by custom-designed formula and computational methods tach signal is carried out analysing and processing and logical operation, determine that exactly engine operation is in which speed point and any working state, and according to the job requirement of motor, export a pulse signal trigger triode Q1 conducting, the conducting of triode Q1 makes large power triode Q2 conducting, large power triode Q2 conducting rear driving high-frequency electromagnetic valve (being connected) action with the POUT end, regulate the air inflow of air, make the air fuel ratio (mixed proportion of air and fuel oil) of motor reach best combustion ratio, impel fuel oil fully to burn.
Interface J1 is the host computer communication interface among the figure, is used for uploading and the downloaded software program.Interface J2 is that parameter is provided with communication interface, is used for connecting hand-held instrument, is provided with and revises the tonifying Qi parameter.Interface J3 is an input/output interface, comprises tach signal incoming end PIN+, gear signal incoming end GI0～GI5, electromagnetic valve end POUT, power access end VIN and ground connection GND.
Following table is a test data of the present utility model:
By measured data display in the table, we can clearly find out, after the utility model is installed, the more former car of discharge amount (saving controller of oil of the present utility model promptly is not installed) all is significantly improved the pollutant of vehicle (hydrocarbon HC, nitrogen oxide NOx, carbon monoxide CO etc.), and all discharge amounts all reach the emission standard of Europe III.Under the test environment of identical power, the oil-saving effect that vehicle of the present utility model is installed can reach 20%, has significantly improved the oil-saving effect of existing motorcycle gasoline-saving device.
Under the prerequisite that does not change principle of the present utility model and aim, through adaptive change, the utility model is equally applicable to other petrol engines, this tired no longer one by one stating.
Claims (8)
1. saving controller of oil, comprise microcomputer controller, and the tach signal testing circuit that is connected with its input end, it is characterized in that, another input end of described microcomputer controller is connected with the gear signal testing circuit, described tach signal and gear signal are exported control signal after the logical operation of microcomputer controller, and regulate the air inflow of motor by control switch.
2. according to the described saving controller of oil of claim 1, it is characterized in that described tach signal is connected with the input end of microcomputer controller by optical coupler.
3. according to the described saving controller of oil of claim 1, it is characterized in that described gear signal is connected with another input end of microcomputer controller by the current limliting protective circuit of voltage regulation.
4. according to the described saving controller of oil of claim 1, it is characterized in that the output terminal of described microcomputer controller connects at least one solenoid valve, be used to regulate the air inflow of motor.
5. according to the described saving controller of oil of claim 1, it is characterized in that described microcomputer controller also is connected with at least one communication interface.
6. according to the described saving controller of oil of claim 5, it is characterized in that described microcomputer controller is connected with host computer by communication interface, be used to upload and the downloaded software program.
7. according to the described saving controller of oil of claim 5, it is characterized in that described microcomputer controller is connected with hand-held instrument by another communication interface, be used for being provided with and revising the tonifying Qi parameter.
8. according to the described saving controller of oil of claim 1, it is characterized in that described microcomputer controller is a single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200550859U CN201078276Y (en) | 2007-08-02 | 2007-08-02 | Fuel-saving controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200550859U CN201078276Y (en) | 2007-08-02 | 2007-08-02 | Fuel-saving controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201078276Y true CN201078276Y (en) | 2008-06-25 |
Family
ID=39570338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200550859U Expired - Fee Related CN201078276Y (en) | 2007-08-02 | 2007-08-02 | Fuel-saving controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201078276Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900556A (en) * | 2012-09-29 | 2013-01-30 | 杭州晟城环保科技有限公司 | Automobile engine working condition adjusting and energy-saving device |
| CN110905676A (en) * | 2019-12-04 | 2020-03-24 | 潍柴动力股份有限公司 | Engine performance optimization method and device and electronic control unit |
-
2007
- 2007-08-02 CN CNU2007200550859U patent/CN201078276Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900556A (en) * | 2012-09-29 | 2013-01-30 | 杭州晟城环保科技有限公司 | Automobile engine working condition adjusting and energy-saving device |
| CN110905676A (en) * | 2019-12-04 | 2020-03-24 | 潍柴动力股份有限公司 | Engine performance optimization method and device and electronic control unit |
| CN110905676B (en) * | 2019-12-04 | 2022-07-19 | 潍柴动力股份有限公司 | Engine performance optimization method and device and electronic control unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 |