CN206727958U - A kind of resonator and arc light lighter - Google Patents
A kind of resonator and arc light lighter Download PDFInfo
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- CN206727958U CN206727958U CN201720602907.4U CN201720602907U CN206727958U CN 206727958 U CN206727958 U CN 206727958U CN 201720602907 U CN201720602907 U CN 201720602907U CN 206727958 U CN206727958 U CN 206727958U
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Abstract
The utility model provides a kind of resonator and arc light lighter, in the resonator, by being measured to oscillator in damped oscillation signal caused by damped oscillation, obtain the resonant frequency of oscillator, then pumping signal is produced according to this frequency by drive device, makes oscillator operation in approximate resonance state.There is such resonance circuit in the arc light lighter.
Description
Technical field
Field of oscillators is the utility model is related to, more particularly to a kind of resonator and arc light lighter.
Background technology
Oscillator (oscillator) is a kind of energy conversion device -- direct current energy is converted to certain frequency
AC energy, the circuit that it is formed is oscillating circuit.At present, mainly passed through by the LC loops being made up of capacitor and inductor
The mutual conversion of electric field energy and magnetic field energy produces vibration.Vibration is maintained also to have the amplifying circuit with positive feedback, LC vibrations
Device is divided into transformer coupled formula and bikini oscillator again, many quartz oscillators for applying quartz crystal, also useful collection
Into the LC oscillators of amplifier composition.
At present, electronic lighter, ozone generator etc. carry out resonance, production using the device of arc discharge using oscillator
The signal of raw higher oscillation amplitude produces high-voltage oscillation signal on two nearer electrodes are separated by and discharged.
At present, if if arc light lighter will produce electric discharge arc light using the oscillator of self-excitation mode, it would be desirable to larger
Power, if using it swash by the way of, only resonance when power could reduce input power, it is therefore desirable to have and oscillator
The pumping signal ability of identical frequency, and the device for detecting oscillator free run frequency setting at present is all more complicated, it is with high costs.
Utility model content
The utility model is for current arc light sparking acc power is big or baroque deficiency, there is provided a kind of resonator and
Use the arc light lighter of the resonator.
The utility model is that technical scheme is used by realizing its purpose:A kind of resonator, including oscillator, power supply,
The switching tube being arranged between oscillator and power supply, the drive circuit of switching tube;When being additionally included in oscillator progress damped oscillation
The sample circuit that the damped oscillation signal of output is sampled, shaping formation square wave is carried out to the sampled signal of sample circuit output
The shaping circuit of signal, the square wave to shaping circuit output are counted and calculate the single-chip microcomputer of square-wave signal frequency;It is described
Single-chip microcomputer output be input to described drive circuit, described drive circuit root with the PWMA signals of frequency with square-wave signal frequency
According to the described switching tube of PWMA signals driving.
The utility model obtains the harmonics rate of oscillator, structure using the frequency of the antihunt signal of single chip computer measurement oscillator
Simply, measurement is accurate, makes resonator starting of oscillation quick.
Further, in above-mentioned resonator:Described oscillator is LC oscillators, including electric capacity C10 and inductance L1;Institute
The drive circuit stated includes model ADP3110A power drives chip IC 3;Described switching tube includes metal-oxide-semiconductor Q2 and MOS
Pipe Q3;Described power supply is battery B;
PWMA signals caused by described single-chip microcomputer connect the IN ends of power drives chip IC 3, power drives chip IC 3
DRVH connects metal-oxide-semiconductor Q2 grid, and DRVL connects metal-oxide-semiconductor Q3 grid;Metal-oxide-semiconductor Q2 drain electrode meets battery B anode B+, metal-oxide-semiconductor Q2
Source electrode connect metal-oxide-semiconductor Q2 drain electrode, metal-oxide-semiconductor Q2 source electrode meets battery B negative electrode B-;Metal-oxide-semiconductor Q2 source electrode and metal-oxide-semiconductor Q2 leakage
The public termination capacitor C10 of pole one end, electric capacity C10 another termination inductance L1 one end, inductance L1 another termination battery B
Negative electrode B-.
Further, in above-mentioned resonator:Described sample circuit is voltage sample circuit, including by electric capacity C10 and
The wire VPP that inductance L1 common port is drawn;Described shaping circuit includes triode Q1 and current-limiting resistance R4;Wire VPP connects
Triode Q1 base stage, triode Q1 colelctor electrode connect the edge capture signal input pin of single-chip microcomputer, triode Q1 transmitting
Pole is grounded.
Further, in above-mentioned resonator:Described sample circuit is current sampling circuit, including sample resistance R5;
Described shaping circuit includes voltage comparator RP1;Sample resistance R5 be connected in series to inductance L1 the other end and power supply negative electrode it
Between, described sample resistance R5 both ends connect voltage comparator RP1 input, voltage comparator RP1 output end shape respectively
Into square-wave signal from the capture signal input pin input of the edge of single-chip microcomputer.
Further, in above-mentioned resonator:The dutycycle of described PWMA signals is 50%.
Also a kind of arc light lighter using above-mentioned resonator as driving source of the utility model, including with two points
The ignition coil resonator of thermoelectricity pole, described resonator have LC oscillators, described ignition coil and LC oscillators
Inductive;Described resonator includes oscillator, power supply, the switching tube being arranged between oscillator and power supply, switching tube
Drive circuit, the sample circuit that the damped oscillation signal of output is sampled when oscillator carries out damped oscillation, to sampling electricity
Shaping circuit, the square wave exported to shaping circuit that the sampled signal of road output carries out shaping formation square-wave signal are counted simultaneously
Calculate the single-chip microcomputer of square-wave signal frequency;Described single-chip microcomputer output is input to square-wave signal frequency with the PWMA signals of frequency
Described drive circuit, described drive circuit drive described switching tube according to PWMA signals.
In arc light lighter of the present utility model, because employing the damped oscillation letter using single chip computer measurement LC oscillators
Number frequency, results contrast is simple.
Further, in above-mentioned arc light lighter:Described oscillator is LC oscillators, including electric capacity C10 and inductance
L1;Described drive circuit includes model ADP3110A power drives chip IC 3;Described switching tube includes metal-oxide-semiconductor Q2
With metal-oxide-semiconductor Q3;Described power supply is battery B;PWMA signals meet the IN of power drives chip IC 3 caused by described single-chip microcomputer
End, the DRVH of power drives chip IC 3 connect metal-oxide-semiconductor Q2 grid, and DRVL connects metal-oxide-semiconductor Q3 grid;Metal-oxide-semiconductor Q2 drain electrode connects electricity
Pond B anode B+, metal-oxide-semiconductor Q2 source electrode connect metal-oxide-semiconductor Q2 drain electrode, and metal-oxide-semiconductor Q2 source electrode meets battery B negative electrode B-;Metal-oxide-semiconductor Q2
Source electrode and metal-oxide-semiconductor Q2 drain electrode public termination capacitor C10 one end, electric capacity C10 another termination inductance L1 one end, electricity
Feel L1 another termination battery B negative electrode B-.
Further, in above-mentioned arc light lighter:Described sample circuit is voltage sample circuit, including by electric capacity
The wire VPP that C10 and inductance L1 common port are drawn;Described shaping circuit includes triode Q1 and current-limiting resistance R4;Wire
VPP connects triode Q1 base stage, and triode Q1 colelctor electrode connects the edge capture signal input pin of single-chip microcomputer, triode Q1's
Grounded emitter.
Further, in above-mentioned arc light lighter:Described sample circuit is current sampling circuit, including sample resistance
R5;Described shaping circuit includes voltage comparator RP1;Sample resistance R5 is connected in series to the inductance L1 other end and the negative electrode of power supply
Between, described sample resistance R5 both ends connect voltage comparator RP1 input, voltage comparator RP1 output end respectively
Square-wave signal is formed from the capture signal input pin input of the edge of single-chip microcomputer.
Further, in above-mentioned arc light lighter:The dutycycle of described PWMA signals is 50%.
The utility model is described in more detail with reference to specific embodiment.
Brief description of the drawings
Fig. 1 is the arc light lighter schematic diagram of the utility model embodiment 1.
Fig. 2 is the single-chip microcomputer peripheral circuit diagram used in the utility model embodiment 1.
Fig. 3 is the arc light lighter schematic diagram of the utility model embodiment 2.
Fig. 4 is the single-chip microcomputer peripheral circuit diagram used in the utility model embodiment 2.
Fig. 5 is the arc light lighter schematic diagram of the utility model embodiment 3.
Fig. 6 is the single-chip microcomputer peripheral circuit diagram used in the utility model embodiment 3.
Embodiment
Embodiment 1, as depicted in figs. 1 and 2, the present embodiment are a kind of arc light lighter, and the lighter is shaken using a LC
Swing circuit and produce high-amplitude oscillator signal, after then being coupled by a coil with the inductance in LC oscillators, coil obtains
Energy, two electrodes are set up at the both ends of coil, form arc light by being discharged between two electrodes, these arc lights can be used for lighting
Cigarette etc., this coil are referred to as ignition coil, as shown in figure 1, it is above inductance L1, in practice, the number of turn of ignition coil
By much larger than 10 to 100 times of the number of turn of the inductance coil in LC oscillators, even up to the inductance coil number of turn, so, work as LC
When the amplitude of oscillator reaches some strength, ignition coil both ends will reach higher potential difference, will between two electrodes
There is arc light.
As shown in figure 1, the main LC oscillators of the resonator used in the present embodiment arc light lighter, power supply, being arranged on LC
Switching tube between oscillator and power supply, the drive circuit of switching tube;In addition, it is additionally included in defeated during oscillator progress damped oscillation
The sample circuit that the damped oscillation signal gone out is sampled, shaping formation square wave letter is carried out to the sampled signal of sample circuit output
Number shaping circuit, the square wave of shaping circuit output is counted and calculates the single-chip microcomputer of square-wave signal frequency;Single-chip microcomputer
Output and square-wave signal frequency are input to described drive circuit with the PWMA signals that frequency dutycycle is 50%, drive circuit according to
The described switching tube of PWMA signals driving.
In the present embodiment, by LC oscillators carry out damped oscillation when sampling, the frequency of sampled signal is measured
Resonant frequency is obtained, with square-wave signal frequency is 50% with frequency dutycycle by single-chip microcomputer output according to the resonant frequency of measurement
PWMA signals are input to described drive circuit, and drive circuit drives described switching tube according to PWMA signals.This is a kind of electricity
Press the detection circuit of sampling type.
As shown in figure 1, in the present embodiment, oscillator is LC oscillators, including electric capacity C10 and inductance L1;Drive circuit bag
Include model ADP3110A power drives chip IC 3;Switching tube includes metal-oxide-semiconductor Q2 and metal-oxide-semiconductor Q3;Power supply is battery B.
PWMA signals caused by single-chip microcomputer connect the IN ends of power drives chip IC 3, and the DRVH of power drives chip IC 3 connects
Metal-oxide-semiconductor Q2 grid, DRVL connect metal-oxide-semiconductor Q3 grid;Metal-oxide-semiconductor Q2 drain electrode connects battery B anode B+, metal-oxide-semiconductor Q2 source electrode
Metal-oxide-semiconductor Q2 drain electrode is connect, metal-oxide-semiconductor Q2 source electrode meets battery B negative electrode B-;Metal-oxide-semiconductor Q2 source electrode and the public affairs of metal-oxide-semiconductor Q2 drain electrode
Termination capacitor C10 one end altogether, electric capacity C10 another termination inductance L1 one end, inductance L1 another termination battery B negative electrode
B-。
In frequency measuring system, sample circuit is voltage sample circuit, including is drawn by electric capacity C10 and inductance L1 common port
The wire VPP gone out;Shaping circuit includes triode Q1 and current-limiting resistance R4;Wire VPP meets triode Q1 base stage, triode Q1
Colelctor electrode connect single-chip microcomputer edge capture signal input pin, triode Q1 grounded emitter.
The course of work of the present embodiment is as follows:
When using arc light lighter, the switch on lighter is clicked, the PWMA output ends of single-chip microcomputer produce any one
Individual output signal, make drive circuit driving switch pipe, allow battery to power up LC oscillators, drive circuit disconnects switching tube immediately
Connection between battery and LC oscillators, the vibration of LC oscillators, due to there is internal resistance in practice, therefore, it is in the practice of LC oscillators
Doing damped oscillation.
The model of the single-chip microcomputer used in the present embodiment is STM8S003F3U6, an edge capture interface in single-chip microcomputer
That the CI/PC6 of No. 13 pins receives the oscillator signal after shaping, be exactly one by triode Q1 to damped oscillation signal
The square wave that limited range enlargement is formed, when damped oscillation signal amplitude is higher than triode Q1 conducting voltage such as 0.7V, triode is led
Logical, the signal for entering No. 13 pins of single-chip microcomputer is low level, and as the low such as 0.7V of damped oscillation signal amplitude, triode is cut
Only, the signal for entering No. 13 pins of single-chip microcomputer is high resistant signal, and result in formation of square wave, single-chip microcomputer connects according to edge capture
The clock of the counting recycling of trailing edge oneself in itself in mouthful, it is possible to the resonant frequency of oscillator is calculated, then with humorous
Vibration frequency produces PWMA signals, and the dutycycle of the signal is 50%, defeated from No. 14 pin of another output interface of single-chip microcomputer
Go out, to the IN ends of power drives chip IC 3, in addition, No. 12 pin output enable signal P_ENB of single-chip microcomputer is connected to power supply drive
The OD ends of dynamic chip IC 3, the model that power drives chip IC 3 uses in the present embodiment is ADP3110A, so, power drives core
Piece IC3 two output ends DRVH and DRVL, staggeredly effective, driving metal-oxide-semiconductor Q2 and metal-oxide-semiconductor Q3 staggeredly passes through, to LC oscillators
Energy (pumping signal) is provided, because pumping signal is the frequency as oscillator free run frequency setting, therefore generated soon
Resonance.As shown in Fig. 2 also some peripheral circuits such as wave filter, indicator lamp etc. are added for single-chip microcomputer in the figure.
Embodiment 2, as shown in Figure 3 and Figure 4, the arc light lighter of the present embodiment employ the LC vibrations shown in embodiment 1
Device, power drives chip IC 3, a pair of switches pipe Q2 and Q3 etc., what difference was to sample during the present embodiment sampling is damped oscillation
Oscillating current, inductance L1 and cell cathode () be connected when, a sample resistance R5 composition sample circuit of also contacting,
The electric current for flowing through R5 both ends is detected, changed by sense of current in detection resistance R5, it is possible to which formation is input to list
Square-wave signal on piece machine, shaping circuit is served as by voltage comparator RP1 in the present embodiment, and sample resistance R5 both ends connect respectively
Voltage comparator RP1 input i.e. voltage comparator RP1+,-both ends (1,3 pin), 2 pin V- ground connection, 5,6 pin connect electricity
The anode in pond, the 4th pin output signal VPP are exactly a square-wave signal, and the electric current in a direction is high level in resistance R5, negative side
To electric current be exactly low level, this is the square-wave signal of a unusual standard.Single-chip microcomputer and its peripheral circuit are as shown in figure 4, same
Sample VPP signals input from No. 13 pins (edge capture signal pins) of single-chip microcomputer, PWMA signals and enable signal P_ENB difference
The IN ends and OD ends of power drives chip IC 3 are connected to from No. 14 pins and No. 12 pins.
Embodiment 3 as shown in Figure 5 and Figure 6, resonator in the present embodiment arc light lighter and embodiment 1 and embodiment 2
Equally, all there is the detection circuit of the resonant frequency of detection oscillator, employ current sample in the detection circuit and voltage is adopted
Sample two ways, in single-chip microcomputer, point-device alternator resonant frequency can be calculated by multiple repairing weld.
As shown in figure 5, the common port extraction voltage sampled signal of the electric capacity C10 and inductance L1 in LC oscillators, in inductance
L1 and battery ground the current sampling resistor R5 that contacts between B-, voltage comparator RP1 to resistance R5, both ends sense of current by entering
Row collection formed standard square wave output VPP still connect single-chip microcomputer 13 pins edge capture input, made during voltage sample
Triode makees shaping circuit, and triode Q1 colelctor electrode connects the 3rd pin of single-chip microcomputer, the PWMA signals of single-chip microcomputer output and
Enable signal P_ENB is connected to the IN ends and OD ends of power drives chip IC 3 from No. 14 pins and No. 12 pins respectively.
Claims (10)
1. a kind of resonator, including oscillator, power supply, the switching tube being arranged between oscillator and power supply, the driving of switching tube
Circuit;It is characterized in that:It is additionally included in the sampling that the damped oscillation signal of output when oscillator carries out damped oscillation is sampled
Circuit, the shaping circuit of shaping formation square-wave signal is carried out, to shaping circuit output to the sampled signal of sample circuit output
Square wave is counted and calculates the single-chip microcomputer of square-wave signal frequency;Described single-chip microcomputer output is with square-wave signal frequency with frequency
PWMA signals are input to described drive circuit, and described drive circuit drives described switching tube according to PWMA signals.
2. resonator according to claim 1, it is characterised in that:
Described oscillator is LC oscillators, including electric capacity C10 and inductance L1;
Described drive circuit includes model ADP3110A power drives chip IC 3;
Described switching tube includes metal-oxide-semiconductor Q2 and metal-oxide-semiconductor Q3;
Described power supply is battery B;
PWMA signals caused by described single-chip microcomputer connect the IN ends of power drives chip IC 3, and the DRVH of power drives chip IC 3 connects
Metal-oxide-semiconductor Q2 grid, DRVL connect metal-oxide-semiconductor Q3 grid;Metal-oxide-semiconductor Q2 drain electrode connects battery B anode B+, metal-oxide-semiconductor Q2 source electrode
Metal-oxide-semiconductor Q2 drain electrode is connect, metal-oxide-semiconductor Q2 source electrode meets battery B negative electrode B-;
One end of metal-oxide-semiconductor Q2 source electrode and the public termination capacitor C10 of metal-oxide-semiconductor Q2 drain electrode, electric capacity C10 another termination inductance
L1 one end, inductance L1 another termination battery B negative electrode B-.
3. resonator according to claim 2, it is characterised in that:Described sample circuit is voltage sample circuit, including
The wire VPP drawn by electric capacity C10 and inductance L1 common port;Described shaping circuit includes triode Q1 and current-limiting resistance
R4;Wire VPP connects triode Q1 base stage, and triode Q1 colelctor electrode connects the edge capture signal input pin of single-chip microcomputer, and three
Pole pipe Q1 grounded emitter.
4. resonator according to claim 2, it is characterised in that:Described sample circuit is current sampling circuit, including
Sample resistance R5;Described shaping circuit includes voltage comparator RP1;Sample resistance R5 is connected in series to the inductance L1 other end and electricity
Between the negative electrode in source, described sample resistance R5 both ends meet voltage comparator RP1 input, voltage comparator RP1 respectively
Output end form square-wave signal from the capture signal input pin input of the edge of single-chip microcomputer.
5. according to any described resonator in Claims 1-4, it is characterised in that:The dutycycle of described PWMA signals is
50%。
6. a kind of arc light lighter, including the ignition coil resonator with two ignitors, described resonator have
LC oscillators, the inductive of described ignition coil and LC oscillators;It is characterized in that:Described resonator includes vibration
Device, power supply, the switching tube being arranged between oscillator and power supply, the drive circuit of switching tube, oscillator carry out damped oscillation
When the sample circuit that is sampled of the damped oscillation signal that exports, the shaping side of being formed is carried out to the sampled signal of sample circuit output
The shaping circuit of ripple signal, the square wave to shaping circuit output are counted and calculate the single-chip microcomputer of square-wave signal frequency;Institute
The single-chip microcomputer output stated is input to described drive circuit, described drive circuit with square-wave signal frequency with the PWMA signals of frequency
According to the described switching tube of PWMA signals driving.
7. arc light lighter according to claim 6, it is characterised in that:
Described LC oscillators, including electric capacity C10 and inductance L1;
Described drive circuit includes model ADP3110A power drives chip IC 3;
Described switching tube includes metal-oxide-semiconductor Q2 and metal-oxide-semiconductor Q3;
Described power supply is battery B;
PWMA signals caused by described single-chip microcomputer connect the IN ends of power drives chip IC 3, and the DRVH of power drives chip IC 3 connects
Metal-oxide-semiconductor Q2 grid, DRVL connect metal-oxide-semiconductor Q3 grid;Metal-oxide-semiconductor Q2 drain electrode connects battery B anode B+, metal-oxide-semiconductor Q2 source electrode
Metal-oxide-semiconductor Q2 drain electrode is connect, metal-oxide-semiconductor Q2 source electrode meets battery B negative electrode B-;
One end of metal-oxide-semiconductor Q2 source electrode and the public termination capacitor C10 of metal-oxide-semiconductor Q2 drain electrode, electric capacity C10 another termination inductance
L1 one end, inductance L1 another termination battery B negative electrode B-.
8. arc light lighter according to claim 7, it is characterised in that:Described sample circuit is voltage sample circuit,
Including the wire VPP drawn by electric capacity C10 and inductance L1 common port;Described shaping circuit includes triode Q1 and current limliting electricity
Hinder R4;Wire VPP connects triode Q1 base stage, and triode Q1 colelctor electrode connects the edge capture signal input pin of single-chip microcomputer,
Triode Q1 grounded emitter.
9. arc light lighter according to claim 7, it is characterised in that:Described sample circuit is current sampling circuit,
Including sample resistance R5;Described shaping circuit includes voltage comparator RP1;Sample resistance R5 is connected in series to the inductance L1 other end
Between the negative electrode of power supply, described sample resistance R5 both ends connect voltage comparator RP1 input, voltage comparator respectively
RP1 output end forms square-wave signal from the capture signal input pin input of the edge of single-chip microcomputer.
10. according to any described arc light lighter in claim 6 to 9, it is characterised in that:The duty of described PWMA signals
Than for 50%.
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CN201720602907.4U CN206727958U (en) | 2017-05-27 | 2017-05-27 | A kind of resonator and arc light lighter |
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CN201720602907.4U CN206727958U (en) | 2017-05-27 | 2017-05-27 | A kind of resonator and arc light lighter |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107238755A (en) * | 2017-05-27 | 2017-10-10 | 何永平 | The resonant frequency measurement method and measuring system resonator of a kind of oscillator |
CN111715976A (en) * | 2019-03-18 | 2020-09-29 | 深圳市德沃先进自动化有限公司 | LED wire bonding machine |
-
2017
- 2017-05-27 CN CN201720602907.4U patent/CN206727958U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107238755A (en) * | 2017-05-27 | 2017-10-10 | 何永平 | The resonant frequency measurement method and measuring system resonator of a kind of oscillator |
CN111715976A (en) * | 2019-03-18 | 2020-09-29 | 深圳市德沃先进自动化有限公司 | LED wire bonding machine |
CN111715976B (en) * | 2019-03-18 | 2024-04-26 | 深圳市德沃先进自动化有限公司 | LED wire bonding machine |
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