CN2399520Y - Electrically-controlled injector for engine of motor vehicle - Google Patents
Electrically-controlled injector for engine of motor vehicle Download PDFInfo
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- CN2399520Y CN2399520Y CN 99232276 CN99232276U CN2399520Y CN 2399520 Y CN2399520 Y CN 2399520Y CN 99232276 CN99232276 CN 99232276 CN 99232276 U CN99232276 U CN 99232276U CN 2399520 Y CN2399520 Y CN 2399520Y
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Abstract
The utility model relates to an electrically-controlled sprayer for an engine of a motor vehicle, which is characterized in that the utility model comprises an electromagnetic fuel supply nozzle of an engine, a signal inductor of a magneto, and a control circuit. The signal inductor of a magneto is connected with an input end of the control circuit via a connecting wire; an output end of the control circuit is connected with the electromagnetic fuel supply nozzle via a connecting wire; a pulse width regulator of the control circuit is connected with a gun in a matching way. The utility model has the advantages of simple structure, reliable operation, fuel saving, complete combustion, little dirt discharge capacity, etc. In the utility model, the fuel supply capacity of the electromagnetic fuel supply nozzle can be automatically controlled, the output power of an engine can be improved, and the speed increasing performance of a motor vehicle can be increased.
Description
The utility model relates to a kind of main auxiliary products of motor car engine, and particularly a kind of Motor Vehicle is not with the motor of the Carburetor electric-controlled injection device to the electromagnetic fuel supply nozzle.
At present, to be the negative pressure that produces by the to-and-fro motion of engine cylinder inner carrier sucks the firing chamber internal combustion to fuel oil for engine operation to the motor car engine oil supply system from Carburetor, and this fuel system exists the fuel delivery instability, the fuel-oil atmozation granularity is big, burning is insufficient, discharge amount of exhaust gas big and waste deficiency such as fuel oil.In order to address these problems, relevant technologies personnel have cancelled Carburetor from the oil-feed path, and the fuel oil stabilizer that on the oil-feed path, is provided with an oil pump and is connected in series with it, it changes original passive fuel feeding for the active fuel feeding, can provide enough oil pressure for engine nozzle, still, the fuel feeding nozzle of this motor is in no planned oil supply state, when Motor Vehicle gives it the gun, need more fuel oil, and the fuel feeding of nozzle increases not; When the Motor Vehicle Reduced Speed Now, need less fuel oil, the fuel feeding of nozzle does not reduce; So just certainly will exist the waste fuel oil, output power is low and deficiency such as Motor Vehicle speed-raising poor performance.
The purpose of this utility model just provides a kind of motor car engine electric-controlled injection device, and it can control the fuel delivery of electromagnetic fuel supply nozzle automatically according to the needs of running state of automotive vehicle.
The purpose of this utility model is to realize by such technological scheme, it includes engine electromagnet fuel feeding nozzle, magnetogenerator signal inductor and control circuit, the magnetogenerator signal inductor is connected with the input end of control circuit by lead, the output terminal of control circuit is connected with the electromagnetic fuel supply nozzle by lead, and pulse width regulator and throttle in the control circuit are connected.
Working principle of the present utility model is such: behind the engine start, the magnetogenerator signal inductor forms the synchronous forward pulse square wave signal from the sine wave signal that magnetogenerator takes out after control circuit is handled shaping, this synchronous forward pulse square wave signal is sent to the electromagnetic fuel supply nozzle, and opening or closing of electromagnetic fuel supply nozzle will change with the variation of synchronous direct impulse square signal frequency like this; When Motor Vehicle need quicken, pull or step throttle, when air input of engine by air increases, touch pulse width regulator, the pulse width of control circuit output is changed, the electromagnetic fuel supply nozzle open time lengthening, fuel injection quantity increases, the output power of motor increases, the rotating speed of motor improves because of output power increases, and the raising of rotating speed makes the frequency of the sine wave signal that the magnetogenerator signal inductor induces increase again, thereby the frequency of the direct impulse square signal of control circuit output is increased, the frequency of opening of electromagnetic fuel supply nozzle is increased, fuel injection quantity further increases again, and output power continues to increase, and engine speed continues to improve, so repeat, Motor Vehicle is raised speed at short notice reliably.On the contrary, when Motor Vehicle need slow down, throttle is closed gradually, when air input of engine by air reduces gradually, pulse width regulator makes the time of opening of electromagnetic fuel supply nozzle shorten gradually, fuel injection quantity reduces, engine speed reduces because of output power reduces, and the reduction of rotating speed makes the frequency of the sinusoidal signal that the magnetogenerator signal inductor induces reduce again, thereby the frequency of the direct impulse square signal of control circuit output is reduced, the frequency of opening of electromagnetic fuel supply nozzle is reduced, fuel injection quantity further reduces again, and output power continues to reduce, and engine speed continues to reduce, so repeat, Motor Vehicle is reliably slowed down at short notice.
Owing to adopted technique scheme, the utlity model has simple in structure, reliable, save advantages such as fuel oil, sufficient combustion and blowdown flow rate are little, it can control the fuel delivery of electromagnetic fuel supply nozzle automatically, improves the output power of motor, strengthens the speed-raising performance of Motor Vehicle.
Description of drawings of the present utility model is as follows:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the circuit diagram of control circuit.
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, of the present utility model being characterised in that: include engine electromagnet fuel feeding nozzle 1, magnetogenerator signal inductor 2 and control circuit 3, magnetogenerator signal inductor 2 is connected by the input end of lead with control circuit 3, the output terminal of control circuit 3 is connected with electromagnetic fuel supply nozzle 1 by lead, and the pulse width regulator 4 in the control circuit 3 is connected with throttle.As shown in Figure 2, pulse width regulator 4 is adjustable resistance R.
As shown in Figure 1, working principle of the present utility model is such: behind the engine start, magnetogenerator signal inductor 2 forms the synchronous forward pulse square wave signal from the sine wave signal that magnetogenerator takes out after control circuit 3 is handled shaping, this synchronous forward pulse square wave signal is sent to electromagnetic fuel supply nozzle 1, and opening or closing of electromagnetic fuel supply nozzle 1 will change with the variation of synchronous direct impulse square signal frequency like this; When Motor Vehicle need quicken, pull or step throttle, when air input of engine by air increases, touch pulse width regulator 4, the pulse width of control circuit 3 outputs is changed, electromagnetic fuel supply nozzle 1 open time lengthening, fuel injection quantity increases, the output power of motor increases, the rotating speed of motor improves because of output power increases, and the raising of rotating speed makes the frequency of the sine wave signal that magnetogenerator signal inductor 2 induces increase again, thereby the frequency of the direct impulse square signal of control circuit 3 outputs is increased, the frequency of opening of electromagnetic fuel supply nozzle 1 is increased, fuel injection quantity further increases again, and output power continues to increase, and engine speed continues to improve, so repeat, Motor Vehicle is raised speed at short notice reliably.On the contrary, when Motor Vehicle need slow down, throttle is closed gradually, when air input of engine by air reduces gradually, pulse width regulator 4 makes the time of opening of electromagnetic fuel supply nozzle 1 shorten gradually, fuel injection quantity reduces, engine speed reduces because of output power reduces, and the reduction of rotating speed makes the frequency of the sinusoidal signal that magnetogenerator signal inductor 2 induces reduce again, thereby the frequency of the direct impulse square signal of control circuit 3 outputs is reduced, the frequency of opening of electromagnetic fuel supply nozzle 1 is reduced, fuel injection quantity further reduces again, and output power continues to reduce, and engine speed continues to reduce, so repeat, Motor Vehicle is reliably slowed down at short notice.
As shown in Figure 2, control circuit 3 is by mu balanced circuit 5, signal processor 6, pulse shaper 7, manual trigger switch K and power amplifier 8 constitute, power supply is connected with the input end of mu balanced circuit 5, the output terminal of mu balanced circuit 5 respectively with signal processor 6, pulse shaper 7 is connected with power amplifier 8, the input end of signal processor 6 is connected with magnetogenerator signal inductor 2, the output terminal of signal processor 6 is connected with the input end of pulse shaper 7, the output terminal of pulse shaper 7 is connected with the input end of power amplifier 8, the output terminal of power amplifier 8 is connected with electromagnetic fuel supply nozzle 1, is connected to manual trigger switch K on the input end of pulse shaper 7.
As shown in Figure 2, mu balanced circuit 5 is made up of first capacitor C 1, second capacitor C 2 and voltage stabilizer 7808, and first capacitor C 1 is attempted by on the input end of voltage stabilizer 7808, and second capacitor C 2 is attempted by on the output terminal of voltage stabilizing 7808.
As shown in Figure 2, signal processor is that an end of 6 first resistance R 1 is connected with the positive pole of the first diode D1, the other end is connected with the base stage of the first triode BG1, the grounded-emitter connection of the first triode BG1, the collector electrode of the first triode BG1 is connected with an end of second resistance R 2, second resistance R, 2 the other ends are connected on the output terminal of mu balanced circuit 5, the negative pole of the first diode D1 is connected with the negative pole of the second diode D2, the positive pole of the second diode D2 is connected with an end of the 3rd capacitor C 3, the other end ground connection of the 3rd capacitor C 3, one end of the 3rd resistance R 3 is connected with the collector electrode of the first triode BG1, the other end is connected with the positive pole of the second diode D2, one end of the 4th resistance R 4 is connected with the output terminal of mu balanced circuit 5, the other end is connected with the negative pole of the first diode D1 and an end of the 5th resistance R 5 respectively, the other end of the 5th resistance R 5 is connected with the positive pole of the 3rd diode D3, the negative pole of the 3rd diode D3 is connected with the negative pole of the 4th diode D4, the positive pole of the 4th diode D4 is connected on the base stage of the second triode BG2, the grounded-emitter connection of the second triode BG2, the collector electrode of the second triode BG2 is connected with an end of the 6th resistance R 6, the other end of the 6th resistance R 6 is connected with the output terminal of mu balanced circuit 5, and the collector electrode of the second triode BG2 is as the output terminal of signal processor 6.
As shown in Figure 2, pulse shaper 7 is that the 4th pin of intergrated circuit NE555 is connected with the output terminal of octal with mu balanced circuit 5, the first pin ground connection, the 5th pin is connected with an end of the 5th capacitor C 5, the other end ground connection of the 5th capacitor C 5, the 6th pin of intergrated circuit NE555 is connected with an end of the 4th capacitor C 4, the other end ground connection of the 4th capacitor C 4, between the 6th pin of intergrated circuit NE555 and the 7th pin and be connected to the 7th resistance R 7, between the 7th pin of intergrated circuit NE555 and the octal and be connected to adjustable resistance R, the crus secunda of intergrated circuit NE555 is the input end of pulse shaper 7, tripod is the output terminal of pulse shaper 7, and manual trigger switch K is connected between the crus secunda and ground of intergrated circuit NE555.
As shown in Figure 2, power amplifier 8 is that the 8th resistance R 8 is connected with the positive pole of the 5th diode D5, the other end of the 8th resistance R 8 is the input end of power amplifier, the negative pole of the 5th diode D5 is connected with the base stage of the 4th triode BG4, the grounded-emitter connection of the 4th triode BG4, the collector electrode of the 4th triode BG4 is connected with the negative pole of the 6th diode D6, the positive pole of the 6th diode D6 is connected with the base stage of the 3rd triode BG3, the collector electrode of the 3rd triode BG3 is connected with the output terminal of mu balanced circuit 5, the emitter of the 3rd triode BG3 is connected with the negative pole of the 7th diode D7, the positive pole of the 7th diode D7 is connected with the base stage of the 3rd triode BG3, the current collection of the 4th triode BG4 is the output terminal of power amplifier 8 very, also is the output terminal of control circuit 3.
As shown in Figure 2, control circuit is work like this:
1. form stable voltage behind capacitor C 1, voltage stabilizer 7808 and capacitor C 2 voltage regulation filterings in the power supply process mu balanced circuit 5, for signal processor 6, pulse shaper 7 and power amplifier 8 provide operating voltage;
2. the sine wave signal that induces of magnetogenerator signal inductor 2 is passed to the input end of signal processor 6, behind the amplification demodulator first triode BG1, the first diode D1 and the second diode D2, clip negative half-cycle signal and form the positive half cycle signal that amplifies, this signal is through the 5th resistance R 5, the 3rd diode D3, clip lower voltage signal formation through the 4th diode D4 again and have the pulse signal that is higher than certain voltage value, this pulse signal is after the second triode BG2 amplifies, from the output terminal output of signal processor 6;
3. be input to the input end of pulse shaper 7 from the high-voltage pulse signal of signal processor 6 outputs, export the adjustable square signal of pulse width of synchronization rules after intergrated circuit NE555 paraphase shaping from the output terminal of pulse shaper 7, the pulse width of square signal can be that adjustable resistance R is regulated by pulse width regulator 4; Intergrated circuit NE555 is the intergrated circuit of standard, and model is NE555;
4. be defeated by electromagnetic fuel supply nozzle 1 from the square signal of the synchronization rules of pulse shaper 7 output terminals output after power amplifier 8 power amplifications, the 3rd triode BG3 in the power amplifier 8, the 6th diode D6 and the 7th diode D7 form a protective circuit;
5. in one-period, when square wave is low potential, work because of there being voltage in electromagnetic fuel supply nozzle 1 two ends, and electromagnetic fuel supply nozzle 1 is opened and sprayed fuel oil; When square wave was high petential, electromagnetic fuel supply nozzle 1 two ends quit work because of no-voltage, and electromagnetic fuel supply nozzle 1 is closed; When Motor Vehicle need quicken, pull or step throttle, when air input of engine by air increases, pulse width regulator 4 is that the resistance of adjustable resistance R changes, make the low potential width of square signal of synchronization rules elongated, electromagnetic fuel supply nozzle 1 open time lengthening, fuel injection quantity increases; Otherwise, when Motor Vehicle need slow down, the low potential width of the square signal of synchronization rules is shortened, the time of opening of electromagnetic fuel supply nozzle 1 shortens, and fuel injection quantity reduces.
6. the effect of manual trigger switch K is: during the Motor Vehicle cold start-up, for enough startup fuel oils are provided to motor, press manual trigger switch K, force electromagnetic fuel supply nozzle 1 spray fuel oil, reach the reliable purpose that starts of Motor Vehicle.
Claims (7)
1. motor car engine electric-controlled injection device, it is characterized in that: include engine electromagnet fuel feeding nozzle (1), magnetogenerator signal inductor (2) and control circuit (3), magnetogenerator signal inductor (2) is connected by the input end of lead with control circuit (3), the output terminal of control circuit (3) is connected with electromagnetic fuel supply nozzle (1) by lead, and the pulse width regulator (4) in the control circuit (3) is connected with throttle.
2. motor car engine electric-controlled injection device as claimed in claim 1 is characterized in that: pulse width regulator (4) is adjustable resistance (R)
3. as claim 1,2 described motor car engine electric-controlled injection devices, it is characterized in that: control circuit (3) is by mu balanced circuit (5), signal processor (6), pulse shaper (7), manual trigger switch (K) and power amplifier (8) constitute, power supply is connected with the input end of mu balanced circuit (5), the output terminal of mu balanced circuit (5) respectively with signal processor (6), pulse shaper (7) is connected with power amplifier (8), the input end of signal processor (6) is connected with magnetogenerator signal inductor (2), the output terminal of signal processor (6) is connected with the input end of pulse shaper (7), the output terminal of pulse shaper (7) is connected with the input end of power amplifier (8), the output terminal of power amplifier (8) is connected with electromagnetic fuel supply nozzle (1), is connected to manual trigger switch (K) on the input end of pulse shaper (7).
4. motor car engine electric-controlled injection device as claimed in claim 3, it is characterized in that: mu balanced circuit (5) is made up of first electric capacity (C1), second electric capacity (C2) and voltage stabilizer (7808), first electric capacity (C1) is attempted by on the input end of voltage stabilizer (7808), and second electric capacity (C2) is attempted by on the output terminal of voltage stabilizing (7808).
5. motor car engine electric-controlled injection device as claimed in claim 3, it is characterized in that: signal processor is that an end of (6) first resistance (R1) is connected with the positive pole of first diode (D1), the other end is connected with the base stage of first triode (BG1), the grounded-emitter connection of first triode (BG1), the collector electrode of first triode (BG1) is connected with an end of second resistance (R2), second resistance (R2) the other end is connected on the output terminal of mu balanced circuit (5), the negative pole of first diode (D1) is connected with the negative pole of second diode (D2), the positive pole of second diode (D2) is connected with an end of the 3rd electric capacity (C3), the other end ground connection of the 3rd electric capacity (C3), one end of the 3rd resistance (R3) is connected with the collector electrode of first triode (BG1), the other end is connected with the positive pole of second diode (D2), one end of the 4th resistance (R4) is connected with the output terminal of mu balanced circuit (5), the other end is connected with the negative pole of first diode (D1) and an end of the 5th resistance (R5) respectively, the other end of the 5th resistance (R5) is connected with the positive pole of the 3rd diode (D3), the negative pole of the 3rd diode (D3) is connected with the negative pole of the 4th diode (D4), the positive pole of the 4th diode (D4) is connected on the base stage of second triode (BG2), the grounded-emitter connection of second triode (BG2), the collector electrode of second triode (BG2) is connected with an end of the 6th resistance (R6), the other end of the 6th resistance (R6) is connected with the output terminal of mu balanced circuit (5), and the collector electrode of second triode (BG2) is as the output terminal of signal processor (6).
6. motor car engine electric-controlled injection device as claimed in claim 3, it is characterized in that: pulse shaper (7) is that the 4th pin of intergrated circuit (NE555) is connected with the output terminal of octal with mu balanced circuit (5), the first pin ground connection, the 5th pin is connected with an end of the 5th electric capacity (C5), the other end ground connection of the 5th electric capacity (C5), the 6th pin of intergrated circuit (NE555) is connected with an end of the 4th electric capacity (C4), the other end ground connection of the 4th electric capacity (C4), between the 6th pin of intergrated circuit (NE555) and the 7th pin and be connected to the 7th resistance (R7), between the 7th pin of intergrated circuit (NE555) and the octal and be connected to adjustable resistance (R), the crus secunda of intergrated circuit (NE555) is the input end of pulse shaper (7), tripod is the output terminal of pulse shaper (7), and manual trigger switch (K) is connected between the crus secunda and ground of intergrated circuit (NE555).
7. motor car engine electric-controlled injection device as claimed in claim 3, it is characterized in that: power amplifier (8) is that the 8th resistance (R8) is connected with the positive pole of the 5th diode (D5), the other end of the 8th resistance (R8) is the input end of power amplifier, the negative pole of the 5th diode (D5) is connected with the base stage of the 4th triode (BG4), the grounded-emitter connection of the 4th triode (BG4), the collector electrode of the 4th triode (BG4) is connected with the negative pole of the 6th diode (D6), the positive pole of the 6th diode (D6) is connected with the base stage of the 3rd triode (BG3), the collector electrode of the 3rd triode (BG3) is connected with the output terminal of mu balanced circuit (5), the emitter of the 3rd triode (BG3) is connected with the negative pole of the 7th diode (D7), the positive pole of the 7th diode (D7) is connected with the base stage of the 3rd triode (BG3), the current collection of the 4th triode (BG4) is the output terminal of power amplifier (8) very, also is the output terminal of control circuit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99232276 CN2399520Y (en) | 1999-08-04 | 1999-08-04 | Electrically-controlled injector for engine of motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99232276 CN2399520Y (en) | 1999-08-04 | 1999-08-04 | Electrically-controlled injector for engine of motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2399520Y true CN2399520Y (en) | 2000-10-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99232276 Expired - Fee Related CN2399520Y (en) | 1999-08-04 | 1999-08-04 | Electrically-controlled injector for engine of motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2399520Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002075146A1 (en) * | 2001-03-19 | 2002-09-26 | Chongqing Lifan Industry (Group) Co., Ltd . | Electric fuel control system for motorcycle |
| CN108008625A (en) * | 2017-12-18 | 2018-05-08 | 贵州华阳电工有限公司 | Export the bridge circuit of inverted V-shaped law curve |
-
1999
- 1999-08-04 CN CN 99232276 patent/CN2399520Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002075146A1 (en) * | 2001-03-19 | 2002-09-26 | Chongqing Lifan Industry (Group) Co., Ltd . | Electric fuel control system for motorcycle |
| CN108008625A (en) * | 2017-12-18 | 2018-05-08 | 贵州华阳电工有限公司 | Export the bridge circuit of inverted V-shaped law curve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |