CN101201037A - Motorcycle DC speed-governing igniter - Google Patents
Motorcycle DC speed-governing igniter Download PDFInfo
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- CN101201037A CN101201037A CNA2007101914429A CN200710191442A CN101201037A CN 101201037 A CN101201037 A CN 101201037A CN A2007101914429 A CNA2007101914429 A CN A2007101914429A CN 200710191442 A CN200710191442 A CN 200710191442A CN 101201037 A CN101201037 A CN 101201037A
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Abstract
A speed limiting igniter of a motorcycle introduces a microprocessor and an advanced control algorithm on the basis of the prior motorcycle igniter, which makes an engine work in an optimal condition. Centering on P89LPC901 microprocessor, a contactless digital igniter has the characteristics of simple circuit, single input and single output, power-on reset and no external clock circuit. Because of the direct current supply, the initial ignition speed of the invention is faster than that of an alternating igniter, which stabilifies the ignition voltage better. The principle is that a trigger signal generated by cutting a trigger loop with a magneto cam is transformed into an input signal. After being identified by the microprocessor, the input signal is transformed into the reference point signal of a speed and ignition signal. Compared with the predefined speed limit value, the optimal ignition moment can be obtained through fuzzy and intelligent control. The microprocessor controls an ignition circuit; consequently the ignition point can be controlled accurately. Compared with other igniters, the invention has the advantages of simple structure, low cost, accurate ignition point, high performance of the engine and accurate speed limit range.
Description
Technical field
The present invention is a kind of motor cycle ignitor of high-precision intelligent type, and especially a kind of once-through type igniter relates to the improvement of motorcycle speed-limiting device and discharging.
Background technique
Along with expanding economy, vehicle increases sharply, and causes traffic crowded all the more, and traffic accident is constantly soaring, and the motorcycle accident incidence rate of especially running at high speed is high, estimates that motorcycle speed-limiting will be brought into schedule soon.With respect to America and Europe's Motorcycle Market, the Safety performance of motorcycle and accessory thereof is had relatively high expectations, almost universal demand installs the speed limit function additional.Speed of a motor vehicle maximum limit in proper range, is had great importance for the protection that reduces traffic accident and motor.The realization of existing motorcycle speed-limiting function, generally adopt following method: the air inflow that 1. reduces air-strainer reduces the power realization speed limit of motor; 2. the amount of vaporization that changes Carburetor reduces the power that starts and realizes speed limit; 3. stop up the power realization speed limit that air displacement reduces motor; 4. limit accelerator open degree to realize speed limit.Wherein 1., 2., 3. method can directly influence the power character of motorcycle, causes phenomenons such as engine overheat; Though 4. method can directly not influence the power character of motorcycle, control speed of a motor vehicle error is big, and is changed voluntarily by the user easily and lose the speed limit function.
In addition, exchange igniter by the power supply of magnetogenerator charging winding, the height of voltage is by the rotating speed decision of motor, and there is fluctuation in it, misfire basically when engine speed is lower than 320r/min, and ignition spark intensity changes bigger because of rotating speed is different.
The enhancing of environmental consciousness, feasible more and more higher to the emission request of motorcycle, especially for American-European countries.Therefore the abundant burning of fuel oil is extremely important, so more and more higher for the required precision of the calculating of advance angle.
Summary of the invention
The deficiency that the objective of the invention is to overcome the shortcoming of above-described several method for limiting speed and exchange igniter provides a kind of even more ideal intelligent motorcycle DC speed-governing igniter; By improving the method that the magneto ignition pulse signal is caught, promote pulse capture and speed of a motor vehicle calculation accuracy, improve control to ignition advance angle, change the power supply mode of igniter.
According to technological scheme provided by the invention, described intelligent motorcycle DC speed-governing igniter comprises power circuit, booster circuit, ignition pulse signal shaping circuit, ignition control device, firing action circuit and spark coil and spark plug; It is characterized in that: the input end of power circuit is connected with the two ends of storage battery, and inter-burst has flameout switch; Booster circuit is raised to 380～420V with voltage, is single-chip microcomputer (U1), ignition pulse signal shaping circuit and firing action circuit power supply; The input end of ignition pulse signal shaping circuit is connected with trigger winding; Above-mentioned ignition control device comprises single-chip microcomputer (U1) and interface circuit thereof, single-chip microcomputer (U1) is provided with each one of input end and output terminal, output terminal is connected with the input end of firing action circuit, the input end of single-chip microcomputer (U1) is connected with the output terminal of ignition pulse signal shaping circuit, the ignition pulse signal shaping circuit filters positive pulse negate, the undershoot of ignition pulse signal, and carry out Shelving, send an ignition pulse signal after the integer.
The main circuit of ignition control device comprises single-chip microcomputer (U1), transistor (Q3) and controllable silicon (SCR1), 1 pin of single-chip microcomputer (U1) connects power circuit, 2 pin and 3 pin of single-chip microcomputer (U1) are unsettled, 4 pin of single-chip microcomputer (U1) connect the output terminal of ignition pulse signal shaping circuit, 5 pin of single-chip microcomputer (U1), 6 pin and 8 pin ground connection, 7 pin of single-chip microcomputer (U1) are connected with the base stage of transistor (Q3); The collector electrode of transistor (Q3) connects power circuit, and resistance (R5) is connected between the control utmost point of the emitter of transistor (Q3) and controllable silicon (SCR1); The positive pole of controllable silicon (SCR1) connects firing action circuit (C1), between the control utmost point and negative pole of back in parallel connection of resistance (R6) and electric capacity (C6) and controllable silicon (SCR1), and with its ground connection; The pulse signal that single-chip microcomputer (U1) is caught according to its 4 pin, the generation of 7 pin firing pulses of control single chip computer (U1), thereby control controllable silicon (SCR1).
The ignition pulse signal shaping circuit comprises transistor (Q4), voltage-stabiliser tube (Z4), electric capacity (C12, C13, C14), resistance (R13, R14, R15, R16, R17); The ignition pulse signal input end is through series resistors (R15), by electric capacity (C12) ground connection, and voltage-stabiliser tube (Z4) ground connection, pass through translation coupling circuit that resistance (R13) and electric capacity (C13) composes in parallel again and be connected to the base stage of transistor (Q4), the grounded-emitter connection of transistor (Q4), the collector electrode of transistor (Q4) is divided into two-way, the resistance (R17) of leading up to is connected to 4 pin of single-chip microcomputer (U1), and through electric capacity (C14) ground connection, another road is connected to the output terminal of power circuit, resistance (R13) after series resistors (R16), the translation coupling circuit that electric capacity (C13) constitutes quickens signal.
The main circuit of booster circuit comprises transformer (T1), transistor (Q1, Q2), voltage-stabiliser tube (Z2), diode (D2), and resistance (R2, R3, R10, R11), electric capacity (C4, C10); Transformer (T1), transistor (Q1), resistance (R2, R3) constitute vibrator circuit, resistance (R2, R3) and electric capacity (C4) composition integration circuit, transistor (Q2) is used for turn-offing transistor (Q1) when overtension, and the control end of transistor (Q2) depends on the dividing potential drop and the voltage-stabiliser tube (Z2) of resistance (R10, R11); The input end of one termination power circuit of the primary air of transformer (T1), the other end of transformer (T1) is connected to the collector electrode of transistor (Q1); The secondary winding of transformer (T1) has three taps of upper, middle and lower, tap ground connection in the middle of being positioned at, be positioned at the end that top tap is connected in resistance (R3), and constitute self excited oscillation circuit with transistor (Q1), being positioned at following tap is high-voltage output end, give discharge capacity (C1) charging, the upper voltage limit of capacitor C 1 is controlled by resistance (R10, R11) and voltage-stabiliser tube (Z2), transistor (Q2).
Described booster circuit comprises amplification circuit and the self excited oscillation circuit that is made of transformer and transistor.
Speed limit principle of the present invention is: by picking up ignition pulse signal as ignition pulse signal and speed of a motor vehicle testing signal, the speed of a motor vehicle is converted into corresponding magnetogenerator rotating speed, utilize single-chip microcomputer control technology, when surpassing setting speed, automatically control spark plug by single-chip microcomputer and do suitable hysteresis discharge time, advance the angular convolution head, cause firing angle and motor off resonance, to realize accurate restriction the motorcycle speed of a motor vehicle.Required speed limit and later angle can realize by revising the scm software parameter.
Ignition principle of the present invention is: by picking up ignition pulse signal as ignition pulse signal and speed of a motor vehicle testing signal, the speed of a motor vehicle is converted into corresponding magnetogenerator rotating speed, when reaching 100 rev/mins, rotating speed begins igniting, and when surpassing 100 rev/mins, light a fire continuously, first initially begin to advance for the first time the angle when advancing magnitude of angular velocity when what rotating speed reached setting, reach to advance for the first time and stop into angle and maintenance when the angle finishes speed, reach for the second time initial angle that begins to advance for the second time when advancing magnitude of angular velocity, advance for the second time and stop into angle when the angle finishes the velocity amplitude arrival, and keep this to advance the angle value, up to reaching maximum limit constant speed degree, surpass maximum limit constant speed degree, the angle is oppositely entered in beginning, returns angle to maximum in certain raising speed scope, and keeps this angle.Maximum is entered the angle, and advance angle first, is for the second time initially advanced angular velocity, and is first, advance angle end of a period speed for the second time and can realize by revising the scm software parameter, very convenient.
The present invention is because digital circuits such as ignition employing single-chip microcomputer as control unit, are subject to the influence of various interference such as spark plug electrion, loudspeaker during work.These interference can make will disturbing as the igniting trigger impulse of single-chip microcomputer mistake, thereby obtain wrong ignition advance angle, also can cause program fleet, cisco unity malfunction when serious.For the former, adopt set flag bit when P1.5 is high level, return circulation, only judge low level next time, is that high level returns circulation, low level thinks that then the method that input pulse arrives eliminates the input interference.Add " house dog " for the latter in the place of program cycle, add the method for " software trap " after program memory ROM white space and program transfer command, operation can normally reset when making program fleet.
The situation that the low speed timer overflows for by the timer computational speed time is improved by increasing timer overflow indicator position, and regularly overflow value also adds calculating, the speed calculation problem when having solved low speed.
The present invention and existing speed-governing igniter relatively have novel structure, are skillfully constructed, with low cost, and ignition point control is more accurate, the more accurate characteristics of vehicle-speed limit scope.The starting performance and the acceleration performance of motorcycle are good, and driving process is smooth and easy, do not have " send out and dash " phenomenon.Guarantee motorcycle driver's safety, prolonged the working life of motor, and had the advantage that oil consumption is low, blowdown is few, played certain environmental-protection function.
The present invention promotes pulse capture and speed of a motor vehicle calculation accuracy by improving the method that the magneto ignition pulse signal is caught, and improves the control to ignition advance angle, changes the power supply mode of igniter.This igniter is powered by storage battery, with the ignition pulse signal of magnetogenerator as ignition pulse signal and speed of a motor vehicle testing signal, utilize single-chip microcomputer control technology, when the speed of a motor vehicle reaches the initial into angle that begins when advancing magnitude of angular velocity, reach and stop into angle and maintenance when into the angle finishes speed, advance angular curve and be divided into two sections, when surpassing certain speed, enter the angle smoothly later to realize accurate control to the motorcycle speed of a motor vehicle; By processing to ignition pulse signal, adopt intelligent algorithm to calculate advance angle, improved the oil inflame performance; Change by storage battery power supply and make initial fire speed littler (reaching 100r/min).
Description of drawings
Fig. 1 is a structural principle skeleton diagram of the present invention;
Fig. 2 is circuit theory diagrams of the present invention;
Fig. 3 is an ignition pulse signal schematic representation after pulse signal shaping circuit schematic diagram of the present invention and the shaping;
Fig. 4 is a program flow diagram of the present invention.
Embodiment
With reference to Fig. 1,2,3, the intelligent motorcycle DC speed-governing igniter comprises power circuit, booster circuit, ignition pulse signal shaping circuit, ignition control device, firing action circuit and spark coil and spark plug; Wherein, the input end of power circuit is connected with the two ends of storage battery, and inter-burst has flameout switch; Booster circuit is raised to 380～420V with voltage, is single-chip microcomputer U1, ignition pulse signal shaping circuit and firing action circuit power supply; The input end of ignition pulse signal shaping circuit is connected with trigger winding; Above-mentioned ignition control device comprises single-chip microcomputer U1 and interface circuit thereof, single-chip microcomputer U1 is provided with each one of input end and output terminal, output terminal is connected with the input end of firing action circuit, the input end of single-chip microcomputer U1 is connected with the output terminal of ignition pulse signal shaping circuit, the ignition pulse signal shaping circuit filters positive pulse negate, the undershoot of ignition pulse signal, and carry out Shelving, send an ignition pulse signal after the integer.Described booster circuit comprises amplification circuit and the self excited oscillation circuit that is made of transformer and transistor.
The main circuit of ignition control device of the present invention comprises single-chip microcomputer U1, transistor Q3 and controllable silicon SCR 1,1 pin of single-chip microcomputer U1 connects power circuit, 2 pin and 3 pin of single-chip microcomputer U1 are unsettled, 4 pin of single-chip microcomputer U1 connect the output terminal of ignition pulse signal shaping circuit, 5 pin of single-chip microcomputer U1,6 pin and 8 pin ground connection, 7 pin of single-chip microcomputer U1 are connected with the base stage of transistor Q3; The collector electrode of transistor Q3 connects power circuit, and resistance R 5 is connected between the control utmost point of the emitter of transistor Q3 and controllable silicon SCR 1; The positive pole of controllable silicon SCR 1 connects firing action circuit C1, between the control utmost point and negative pole of resistance R 6 and capacitor C 6 back in parallel connections and controllable silicon SCR 1, and with its ground connection; The pulse signal that single-chip microcomputer U1 catches according to its 4 pin, the generation of the 7 pin firing pulses of control single chip computer U1, thereby control controllable silicon SCR 1.Network label 1004.1 is the shaped pulse input, and 1004.0 is the firing pulse output control terminal.Its concrete annexation as shown in Figure 2.Single-chip microcomputer U1 is the core of The whole control, and the firing pulse of the P0.4 pin of the pulse signal control U1 that catches according to the P1.5 pin of U1 produces, and realizes the control to igniting.
The ignition pulse signal shaping circuit comprises transistor Q4, voltage-stabiliser tube Z4, capacitor C 12, C13, C14, resistance R 13, R14, R15, R16, R17; The ignition pulse signal input end is through series resistors R15, by capacitor C 12 ground connection, and voltage-stabiliser tube Z4 ground connection, the translation coupling circuit that composes in parallel through resistance R 13 and capacitor C 13 is connected to the base stage of transistor Q4 again, the grounded-emitter connection of transistor Q4, the collector electrode of transistor Q4 is divided into two-way, the resistance R 17 of leading up to is connected to the P1.5 pin of single-chip microcomputer U1, and through capacitor C 14 ground connection, another road is connected to the output terminal (being network label 1000.0) of power circuit behind series resistors R16, the translation coupling circuit that resistance R 13, capacitor C 13 constitute quickens signal.Network label 1001.0 is the ignition pulse signal input end, and 1004.1 is this module shaped pulse signal output part, and 1000.0 is this modular power source input end.Its annexation as shown in Figure 3.Resistance R 13 and capacitor C 13 constitute the translation coupling circuit, and signal is quickened.The signal shaping that be similar to sine wave before this signal transformation circuit is incited somebody to action is signal as shown in Figure 3.
The main circuit of described booster circuit comprises transformer T1, transistor Q1, Q2, and voltage-stabiliser tube Z2, diode D2 reaches resistance R 2, R3, R10, R11, capacitor C 4, C10; Transformer T1, transistor Q1, resistance R 2, R3 constitute vibrator circuit, resistance R 2, R3 and capacitor C 4 composition integration circuit, transistor Q2 is used for turn-offing transistor Q1 when overtension, and the control end of transistor Q2 depends on dividing potential drop and the voltage-stabiliser tube Z2 of resistance R 10, R11; The input end of one termination power circuit of the primary air of transformer T1, the other end of transformer T1 is connected to the collector electrode of transistor Q1; The secondary winding of transformer T1 has three taps of upper, middle and lower, tap ground connection in the middle of being positioned at, be positioned at the end that top tap is connected in resistance R 3, and constitute self excited oscillation circuit with transistor Q1, being positioned at following tap is high-voltage output end, give discharge capacity C1 charging, the upper voltage limit of capacitor C 1 is controlled by resistance R 10, R11 and voltage-stabiliser tube Z2, transistor Q2.
Power circuit of the present invention is by diode D1, voltage-stabiliser tube Z1, and resistance R 1, capacitor C 1, C2, C3 constitute.1000.0 the end that goes out for the 3.3V power circuit.Be single-chip microcomputer U1, ignition pulse signal shaping circuit, firing action circuit power supply.Its concrete annexation as shown in Figure 2.
Booster circuit of the present invention is by transformer T1, transistor Q1, Q2, and voltage-stabiliser tube Z2, diode D2, and resistance R 2, R3, R10, R11, capacitor C 4, C10 constitute.T1, Q1, R2, R3, formation vibrator circuit, 1002.2 connect the base stage of Q1, and R2, R3, C4 composition integration circuit, Q2 are used for turn-offing Q1 when overtension, and the control end of Q2 depends on dividing potential drop and the Z2 of R10, R11.Its concrete annexation as shown in Figure 2.Make transformer work by self oscillations, thereby produce required high pressure in the transformer secondary output coil-end.
Firing action circuit of the present invention and the spark coil that is attached thereto, spark plug is same as the prior art or similar.
The speed of a motor vehicle of the present invention is calculated by ignition pulse signal and is calculated acquisition, and according to ignition pulse signal accurate control points fire point, its specific procedure flow process as shown in Figure 4.
After the present invention's encapsulation, the wiring connecting end of setting is: 1, unsettled; 2, high-voltage output end is connected with spark coil, and 3, the ignition pulse signal input end, be connected with trigger winding; 4, common ground end; 5, common ground end; 6, power input is connected with storage battery.Shown in connector among Fig. 2.
Claims (5)
1. an intelligent motorcycle DC speed-governing igniter comprises power circuit, booster circuit, ignition pulse signal shaping circuit, ignition control device, firing action circuit and spark coil and spark plug; It is characterized in that: the input end of power circuit is connected with the two ends of storage battery, and inter-burst has flameout switch; Booster circuit is raised to 380～420V with voltage, is single-chip microcomputer (U1), ignition pulse signal shaping circuit and firing action circuit power supply; The input end of ignition pulse signal shaping circuit is connected with trigger winding; Above-mentioned ignition control device comprises single-chip microcomputer (U1) and interface circuit thereof, single-chip microcomputer (U1) is provided with each one of input end and output terminal, output terminal is connected with the input end of firing action circuit, the input end of single-chip microcomputer (U1) is connected with the output terminal of ignition pulse signal shaping circuit, the ignition pulse signal shaping circuit filters positive pulse negate, the undershoot of ignition pulse signal, and carry out Shelving, send an ignition pulse signal after the integer.
2. intelligent motorcycle DC speed-governing igniter as claimed in claim 1, it is characterized in that: the main circuit of ignition control device comprises single-chip microcomputer (U1), transistor (Q3) and controllable silicon (SCR1), 1 pin of single-chip microcomputer (U1) connects power circuit, 2 pin and 3 pin of single-chip microcomputer (U1) are unsettled, 4 pin of single-chip microcomputer (U1) connect the output terminal of ignition pulse signal shaping circuit, 5 pin of single-chip microcomputer (U1), 6 pin and 8 pin ground connection, 7 pin of single-chip microcomputer (U1) are connected with the base stage of transistor (Q3); The collector electrode of transistor (Q3) connects power circuit, and resistance (R5) is connected between the control utmost point of the emitter of transistor (Q3) and controllable silicon (SCR1); The positive pole of controllable silicon (SCR1) connects firing action circuit (C1), between the control utmost point and negative pole of back in parallel connection of resistance (R6) and electric capacity (C6) and controllable silicon (SCR1), and with its ground connection; The pulse signal that single-chip microcomputer (U1) is caught according to its 4 pin, the generation of 7 pin firing pulses of control single chip computer (U1), thereby control controllable silicon (SCR1).
3. intelligent motorcycle DC speed-governing igniter as claimed in claim 1 is characterized in that: the ignition pulse signal shaping circuit comprises transistor (Q4), voltage-stabiliser tube (Z4), electric capacity (C12, C13, C14), resistance (R13, R14, R15, R16, R17); The ignition pulse signal input end is through series resistors (R15), by electric capacity (C12) ground connection, and voltage-stabiliser tube (Z4) ground connection, pass through translation coupling circuit that resistance (R13) and electric capacity (C13) composes in parallel again and be connected to the base stage of transistor (Q4), the grounded-emitter connection of transistor (Q4), the collector electrode of transistor (Q4) is divided into two-way, the resistance (R17) of leading up to is connected to 4 pin of single-chip microcomputer (U1), and through electric capacity (C14) ground connection, another road is connected to the output terminal of power circuit, resistance (R13) after series resistors (R16), the translation coupling circuit that electric capacity (C13) constitutes quickens signal.
4. intelligent motorcycle DC speed-governing igniter as claimed in claim 1 is characterized in that: the main circuit of booster circuit comprises transformer (T1), transistor (Q1, Q2), voltage-stabiliser tube (Z2), diode (D2), and resistance (R2, R3, R10, R11), electric capacity (C4, C10); Transformer (T1), transistor (Q1), resistance (R2, R3) constitute vibrator circuit, resistance (R2, R3) and electric capacity (C4) composition integration circuit, transistor (Q2) is used for turn-offing transistor (Q1) when overtension, and the control end of transistor (Q2) depends on the dividing potential drop and the voltage-stabiliser tube (Z2) of resistance (R10, R11); The input end of one termination power circuit of the primary air of transformer (T1), the other end of transformer (T1) is connected to the collector electrode of transistor (Q1); The secondary winding of transformer (T1) has three taps of upper, middle and lower, tap ground connection in the middle of being positioned at, be positioned at the end that top tap is connected in resistance (R3), and constitute self excited oscillation circuit with transistor (Q1), being positioned at following tap is high-voltage output end, give discharge capacity (C1) charging, the upper voltage limit of capacitor C 1 is controlled by resistance (R10, R11) and voltage-stabiliser tube (Z2), transistor (Q2).
5. intelligent motorcycle DC speed-governing igniter as claimed in claim 1 is characterized in that: described booster circuit comprises amplification circuit and the self excited oscillation circuit that is made of transformer and transistor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101914429A CN101201037A (en) | 2007-12-19 | 2007-12-19 | Motorcycle DC speed-governing igniter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101914429A CN101201037A (en) | 2007-12-19 | 2007-12-19 | Motorcycle DC speed-governing igniter |
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| CN101201037A true CN101201037A (en) | 2008-06-18 |
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| CNA2007101914429A Pending CN101201037A (en) | 2007-12-19 | 2007-12-19 | Motorcycle DC speed-governing igniter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094740A (en) * | 2011-01-17 | 2011-06-15 | 吴映波 | Digital direct-current igniter for motorcycle |
| CN104329201A (en) * | 2014-11-07 | 2015-02-04 | 成都市幻多奇软件有限公司 | Electronic igniter used for automobile |
| CN104564480A (en) * | 2014-12-30 | 2015-04-29 | 绍兴锋龙电机有限公司 | Device having communication with small gasoline engine igniter |
| CN104595925A (en) * | 2015-02-04 | 2015-05-06 | 中国海洋石油总公司 | Air gun source ignition device |
| CN106762328A (en) * | 2016-12-19 | 2017-05-31 | 浙江派尼尔科技股份有限公司 | Shipboard digital igniter |
| CN110221091A (en) * | 2019-06-10 | 2019-09-10 | 合肥工业大学 | A kind of weak signal extraction for surveying Rotational Speed of Asynchronous Motor based on actinobolia |
-
2007
- 2007-12-19 CN CNA2007101914429A patent/CN101201037A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094740A (en) * | 2011-01-17 | 2011-06-15 | 吴映波 | Digital direct-current igniter for motorcycle |
| CN102094740B (en) * | 2011-01-17 | 2012-08-29 | 吴映波 | Digital direct-current igniter for motorcycle |
| CN104329201A (en) * | 2014-11-07 | 2015-02-04 | 成都市幻多奇软件有限公司 | Electronic igniter used for automobile |
| CN104564480A (en) * | 2014-12-30 | 2015-04-29 | 绍兴锋龙电机有限公司 | Device having communication with small gasoline engine igniter |
| US10316815B2 (en) | 2014-12-30 | 2019-06-11 | Zhejiang Fenglong Electrical Machinery Co., Ltd | Device having communication with small gasoline engine igniter |
| CN104595925A (en) * | 2015-02-04 | 2015-05-06 | 中国海洋石油总公司 | Air gun source ignition device |
| CN106762328A (en) * | 2016-12-19 | 2017-05-31 | 浙江派尼尔科技股份有限公司 | Shipboard digital igniter |
| CN110221091A (en) * | 2019-06-10 | 2019-09-10 | 合肥工业大学 | A kind of weak signal extraction for surveying Rotational Speed of Asynchronous Motor based on actinobolia |
| CN110221091B (en) * | 2019-06-10 | 2021-05-28 | 合肥工业大学 | Weak signal extraction method for measuring rotating speed of asynchronous motor based on induction method |
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Open date: 20080618 |