CN2692361Y - Micro computer intelligent gas supplementary device - Google Patents
Micro computer intelligent gas supplementary device Download PDFInfo
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- CN2692361Y CN2692361Y CN 03216851 CN03216851U CN2692361Y CN 2692361 Y CN2692361 Y CN 2692361Y CN 03216851 CN03216851 CN 03216851 CN 03216851 U CN03216851 U CN 03216851U CN 2692361 Y CN2692361 Y CN 2692361Y
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The utility model discloses a microcomputer intelligent gas supplementary device, comprising three electromagnetic valves and a circuit control device used for controlling the switching of the electromagnetic valves. The three electromagnetic valves are respectively connected between the filter of the intake system of the vehicle motor and the combustion chamber of the vehicle motor through an air duct. The circuit control device comprises a speed sensing circuit, a central processor, a memory, a drive circuit of the electromagnetic valves and a power voltage regulator circuit. The circuit control device inducts the sensing of the engine of the vehicle motor with different speeds through the speed sensing circuit. The signal can be respectively sent to the central processor. Through the read and the analysis of the data with different conditions and speeds, the central processor sends the instruction to the drive circuit of the electromagnetic valves. The corresponding electromagnetic valve can be opened to make the air come into the combustion chamber to be atomized and diluted with the fuel. Through the reasonable adjustment of the mixing ratio of the air and the fuel, the fuel with incomplete combustion can obtain sufficient combustion. The combustion efficiency can be optimized and the remained carbon deposit can be cleared to improve the working performance of the engine.
Description
Technical field
The utility model belongs to the gas handling system of motor, particularly relates to a kind of microcomputer-recognized intelligent making-up air device that engine charge is controlled.
Background technique
What the work of vehicle motor relied on is that suction fuel and air gas mixture produce blast in the cylinder body of motor, the piston that its explosive power promotes in the cylinder body moves reciprocatingly, and then the rotation of driving wheel and vehicle is advanced, the engine operation of vehicle once needs to finish four strokes: aspirating stroke, compression stroke, expansion stroke, exhaust stroke.In the aspirating stroke of motor, comprised Carburetor, the function of Carburetor is that fuel spray is changed into tiny particle, and is that air fuel ratio is mixed with air and fuel oil by proper proportion, forms good mixing gas supply engine.In theory, the required air quantity of 1 kilogram of gasoline of perfect combustion is 14.7 kilograms under the standard condition, also be that optimal air-fuel ratio is 14.7: 1, and in fact the working principle of Carburetor is to adopt the oil suction of the secondary pressure of vacuum, the Changing Pattern of the air fuel ratio that it provided is that the flowing law by fuel oil and air is determined, since motor the operating mode difference, cause Carburetor can not remain best air fuel ratio and make the gas mixture burning fully, the partial combustion of this fuel, can make waste pipe discharge black smoke, the exhaust gas discharging amount increases, so on the one hand because black smoke waste gas causes the pollution to environment easily; Insufficient meeting of burning on the other hand increases the fuel consumption of vehicle, and influence the speed of a motor vehicle, carbon deposits in a large number easily in the cylinder of motor particularly, and the drain pan that can bleed after unburnt fuel condenses, and influence life-span of motor.
The model utility content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of microcomputer-recognized intelligent making-up air device is provided, by the rotating speed of motor being responded to the control air compensation, reach the proportions of ingredients of reasonable adjustment air and fuel oil, make fuel dilution be able to abundant burning, and then reduce the purpose of emission from vehicles.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of microcomputer-recognized intelligent making-up air device, it comprises three solenoid valves and is used for the circuit control device that control electromagnetic valve is opened or closed, the suction port of each solenoid valve is connected by the filter of air conduit with the vehicle motor gas handling system respectively, the air outlet of each solenoid valve is connected with the firing chamber of vehicle motor by air conduit respectively, and circuit control device comprises:
A rotary speed sensing circuit its role is to induce the different rotating speeds signal of vehicle motor engine and export to central processing unit (CPU) after detection, amplification;
A central processing unit (CPU) its role is to the induced signal that the interpretive analysis rotary speed sensing circuit is imported, and sends drive instruction to driving circuit for electromagnetic valve;
A storage its role is to insert the vehicle initial data in advance, reads the vehicle initial data in vehicle startup energising back for central processing unit (CPU);
A driving circuit for electromagnetic valve its role is to accept the drive instruction that central processing unit (CPU) sends, output drive signal;
A power supply stabilization circuit, its role is to provides stable magnitude of voltage to circuit;
One end of rotary speed sensing circuit is connected with the high voltage wire of vehicle ignition coil, utilizes the vehicle ignition number of times that the different rotating speeds of vehicle motor engine is passed to sensor circuit, and induced signal is sent into central processing unit (CPU) after detection, amplifying; Power supply stabilization circuit is connected with central processing unit (CPU), provides stable voltage to circuit; Central processing unit (CPU) is connected with storage, and vehicle startup energising background storage is just read the vehicle initial data, exports to central processor CPU; Central processor CPU is by the interpretive analysis to different operating mode rotating speed data, send different instructions to driving circuit for electromagnetic valve, driving circuit for electromagnetic valve is connected to electromagnetic relay, open electromagnetic valve by electromagnetic relay, firing chamber and fuel dilution atomizing are directly sent in air inlet, impelled imperfect combustion fuel to be fully burned.
Described power supply stabilization circuit is made up of diode D1, capacitor C 1, C8, C9, three terminal regulator U5, wherein the two ends of capacitor C 8 are connected between the input end and grounding end of three terminal regulator U5, the two ends of C9 are connected between the output terminal and grounding end of three terminal regulator U5, capacitor C 1 is in parallel with capacitor C 9, the negative pole of diode D1 is connected with the input end of three terminal regulator U5, and the positive pole of diode D1 is connected with the positive pole of input power supply.
Described storage mainly is made of the EPROM module.
Described driving circuit for electromagnetic valve constitutes by three the road, and its input end is connected to respectively on each port of central processing unit (CPU), and its output terminal is connected to respectively on three relay J 1, J2, the J3, and controls three electromagnetic valves respectively.
Described microcomputer-recognized intelligent making-up air device also comprises the valve state indicating circuit of being made up of resistance and light emitting diode, the valve state indicating circuit be divided into three the tunnel respectively correspondence be connected on the three-way electromagnetic valve drive circuit.
Described microcomputer-recognized intelligent making-up air device also comprises the abnormity of power supply reset circuit, and it is connected with central processing unit (CPU).
The beneficial effects of the utility model are, in the gas handling system of vehicle motor, install the microcomputer-recognized intelligent making-up air device additional owing to adopt, be connected with the high voltage wire of vehicle ignition coil by rotary speed sensing circuit the microcomputer-recognized intelligent making-up air device, obtain the different rotating speeds signal of vehicle motor engine, this different rotating speeds signal carries out interpretive analysis by central processing unit (CPU), and root a tree name optimal air-fuel ratio, handle opening of control electromagnetic valve, make air directly enter firing chamber and fuel dilution atomizing and fully burning; And, can elimination insert the protruding ripple of power supply owing to added capacitor C 8, C9 in the power supply stabilization circuit of microcomputer-recognized intelligent making-up air device, make central processing unit (CPU) working properly; Simultaneously because resistance R 4 places in rotary speed sensing circuit no longer are connected in series a diode, can exempt undesired signal and enter and destroy central processing unit (CPU); And then make central processing unit (CPU) correctly handle control to solenoid valve, carry out the segmentation tonifying Qi, make fuel in the firing chamber, reach burning more fully, realize optimized combustion efficient and removed remaining carbon distribution, improved the service behaviour of motor, saved fuel oil, thereby reduce the generation and the discharging of Carburetor harmful matter the time with car, reduced the discharging of Vehicular exhaust carbon monoxide, hydrocarbon effectively, playing the general purified product effect that is beyond one's reach, is the excellent product that social benefit and economic benefit combine.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described in further detail; But microcomputer-recognized intelligent making-up air device of the present utility model is not limited to embodiment.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an electrical schematic diagram of the present utility model;
Fig. 3 is a circuit diagram of the present utility model.
Embodiment
Referring to Fig. 1, Fig. 2, shown in Figure 3, microcomputer-recognized intelligent making-up air device of the present utility model, it comprises three solenoid valves 1,2,3 and be used for the circuit control device that control electromagnetic valve is opened or closed, each solenoid valve 1,2,3 suction port is connected by the filter of air conduit with the vehicle motor gas handling system respectively, each solenoid valve 1,2,3 air outlet is connected with the firing chamber of vehicle motor by air conduit respectively, circuit control device comprises central processing unit (CPU) 5, rotary speed sensing circuit 6, storage 9, power supply stabilization circuit 12, driving circuit for electromagnetic valve 7, one end of rotary speed sensing circuit 6 is connected with the high voltage wire of vehicle ignition coil, utilize the vehicle ignition number of times that the different rotating speeds of vehicle motor engine is passed to rotating speed sensor circuit 6, induced signal is through detection, after the amplification, send into central processing unit (CPU) 5; Power supply stabilization circuit 12 is connected with central processing unit (CPU) 5, power supply stabilization circuit 12 is by diode D1, capacitor C 1, C8, C9, three terminal regulator U5 forms, wherein the two ends of capacitor C 8 are connected between the input end and grounding end of three terminal regulator U5, the two ends of C9 are connected between the output terminal and grounding end of three terminal regulator U5, capacitor C 1 is in parallel with capacitor C 9, the negative pole of diode D1 is connected with the input end of three terminal regulator U5, the positive pole of diode D1 is connected with the positive pole of input power supply, power supply stabilization circuit 12 is by capacitor C 8, the filter action of C9, reaching to circuitry provides stable magnitude of voltage; Vibrator circuit 13 is mainly used to provide required certain frequency to central processing unit (CPU) 5, to trigger central processing unit (CPU) 5 work; The input of abnormity of power supply reset circuit 11 is connected to power supply stabilization circuit 12, and the output of abnormity of power supply reset circuit 11 is connected to central processing unit (CPU) 5, is used for can automatically reseting by control circuit when abnormity of power supply; Treat that speed reduces waste gas waste cock 10 and is connected with central processing unit (CPU) 5, be used for responding to the switching situation for the treatment of speed minimizing waste gas waste cock according to the switching of relay J 4; Central processing unit (CPU) 5 is connected with storage 9, and storage 9 is made of the EPROM module, and vehicle startup energising background storage 9 is just read the vehicle initial data, exports to central processing unit (CPU) 5, and storage 9 is set the input service control program by external computer in advance; Central processing unit (CPU) 5 is by the interpretive analysis to different operating mode rotating speed data, send instruction to driving circuit for electromagnetic valve 7, electromagnetic relay J1, J2, J3 conducting that driving circuit for electromagnetic valve 7 is connect, open corresponding solenoid valve door 1,2,3 by electromagnetic relay J1, J2, J3, air inlet directly can be sent into firing chamber and fuel dilution atomizing, be impelled imperfect combustion fuel to be fully burned; After driving circuit for electromagnetic valve 7 conductings, the valve state indicating circuit 8 that is connected with driving circuit for electromagnetic valve 7 also is switched on, and the light emitting diode LD conducting of valve state indicating circuit 8 is by the luminous open mode that shows valve this moment.In foregoing circuit, owing in the power supply stabilization circuit of microcomputer-recognized intelligent making-up air device, added capacitor C 8, C9, like this can elimination insert the protruding ripple of power supply, make the central processing unit (CPU) can be working properly; Simultaneously because resistance R 4 places in rotary speed sensing circuit no longer are connected in series a diode, can exempt undesired signal like this and enter and destroy central processing unit (CPU); Guaranteed that for this reason central processing unit (CPU) can correctly handle control to solenoid valve, promptly carried out the segmentation tonifying Qi.
In actual use, the driving circuit for electromagnetic valve 7 that is connected with central processing unit (CPU) 5 is divided into three the tunnel, by three relay J 1, J2, J3, control three solenoid valves 1 respectively, 2,3, in normal temperature range, when the rotating speed of vehicle motor engine reaches 600RPM to 800RPM, this moment, rotary speed sensing circuit 6 provided signal, delivered to central processing unit (CPU) 5 and read data through storage 9, sent a signal by central processing unit (CPU) 5, drive the first via conducting of driving circuit for electromagnetic valve 7, relay J 1 is connected, and opened first solenoid valve 1, the LD1 conducting is luminous simultaneously, demonstrate first solenoid valve 1 and open, air is sucked vehicle combustion chamber via solenoid valve 1 by vacuum.When the rotating speed of vehicle motor engine reaches 1600RPM to 1800RPM, this moment, rotary speed sensing circuit 6 provided another unlike signal, deliver to central processing unit (CPU) 5 and read data through storage 9, send another signal by central processing unit (CPU) 5, drive the second tunnel conducting of driving circuit for electromagnetic valve 7, relay J 2 is connected, and open second solenoid valve 2, LD2 conducting simultaneously is luminous, demonstrates second solenoid valve 2 and opens, and air is sucked vehicle combustion chamber via solenoid valve 2 by vacuum and carries out tonifying Qi.When the rotating speed of vehicle motor engine reaches 2300RPM when above, this moment, rotary speed sensing circuit 6 provided another unlike signal, deliver to central processing unit (CPU) 5 and read data through storage 9, send another signal by central processing unit (CPU) 5, drive the Third Road conducting of driving circuit for electromagnetic valve 7, relay J 3 is connected, and open the 3rd solenoid valve 3, LD3 conducting simultaneously is luminous, demonstrates the 3rd solenoid valve 3 and opens, and air is sucked vehicle combustion chamber via solenoid valve 3 by vacuum and carries out tonifying Qi again.When vehicle deceleration during to corresponding rotating speeds, rotary speed sensing circuit 6 provides corresponding signal, deliver to central processing unit (CPU) 5 and read data through storage 9, send different instructions by central processing unit (CPU) 5, make driving circuit for electromagnetic valve 7 actions, relay J 3, J2, J1 are disconnected respectively, cause corresponding the closing of solenoid valve 3,2,1 and stop tonifying Qi, also not conducting respectively of LD3, the LD2 of valve state indicating circuit 8, LD1 simultaneously, not luminous, show that respectively solenoid valve 3,2,1 is obstructed.
Claims (5)
1. microcomputer-recognized intelligent making-up air device, it is characterized in that: it comprises three solenoid valves and is used for the circuit control device that control electromagnetic valve is opened or closed, each solenoid valve is connected between the firing chamber of the filter of vehicle motor gas handling system and vehicle motor by air conduit respectively, circuit control device comprises rotary speed sensing circuit, central processing unit (CPU), storage, driving circuit for electromagnetic valve, power supply stabilization circuit, one end of rotary speed sensing circuit is connected with the high voltage wire of vehicle ignition coil, the output of rotary speed sensing circuit is connected to central processing unit (CPU), power supply stabilization circuit is connected with central processing unit (CPU), central processing unit (CPU) is connected with storage, the output of central processing unit (CPU) is connected to the input of driving circuit for electromagnetic valve, and driving circuit for electromagnetic valve is connected to the electromagnetic relay of control valve.
2. microcomputer-recognized intelligent making-up air device according to claim 1, it is characterized in that: described power supply stabilization circuit is made up of diode D1, capacitor C 1, C8, C9, three terminal regulator U5, wherein the two ends of capacitor C 8 are connected between the input end and grounding end of three terminal regulator U5, the two ends of C9 are connected between the output terminal and grounding end of three terminal regulator U5, capacitor C 1 is in parallel with capacitor C 9, the negative pole of diode D1 is connected with the input end of three terminal regulator U5, and the positive pole of diode D1 is connected with the positive pole of input power supply.
3. microcomputer-recognized intelligent making-up air device according to claim 1 is characterized in that: described storage mainly is made of the EPROM module.
4. microcomputer-recognized intelligent making-up air device according to claim 1, it is characterized in that: described driving circuit for electromagnetic valve constitutes by three the road, its input end is connected to respectively on each port of central processing unit (CPU), its output terminal is connected to respectively on three relay J 1, J2, the J3, and controls three electromagnetic valves respectively.
5. microcomputer-recognized intelligent making-up air device according to claim 1 is characterized in that: described microcomputer-recognized intelligent making-up air device also comprises the abnormity of power supply reset circuit, and it is connected with central processing unit (CPU).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03216851 CN2692361Y (en) | 2003-03-27 | 2003-03-27 | Micro computer intelligent gas supplementary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03216851 CN2692361Y (en) | 2003-03-27 | 2003-03-27 | Micro computer intelligent gas supplementary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2692361Y true CN2692361Y (en) | 2005-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03216851 Expired - Fee Related CN2692361Y (en) | 2003-03-27 | 2003-03-27 | Micro computer intelligent gas supplementary device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2692361Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915154A (en) * | 2010-07-16 | 2010-12-15 | 常州天大龙成节能环保科技有限公司 | Diesel engine combustion oil gas intelligent control proportioning device |
| CN107084273A (en) * | 2017-06-06 | 2017-08-22 | 安徽合力股份有限公司 | A kind of recloser of gas valve |
-
2003
- 2003-03-27 CN CN 03216851 patent/CN2692361Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915154A (en) * | 2010-07-16 | 2010-12-15 | 常州天大龙成节能环保科技有限公司 | Diesel engine combustion oil gas intelligent control proportioning device |
| CN107084273A (en) * | 2017-06-06 | 2017-08-22 | 安徽合力股份有限公司 | A kind of recloser of gas valve |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |