CN204119046U - A kind of high frequency chopping sinusoidal wave output circuit - Google Patents
A kind of high frequency chopping sinusoidal wave output circuit Download PDFInfo
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- CN204119046U CN204119046U CN201420600406.9U CN201420600406U CN204119046U CN 204119046 U CN204119046 U CN 204119046U CN 201420600406 U CN201420600406 U CN 201420600406U CN 204119046 U CN204119046 U CN 204119046U
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Abstract
The utility model discloses a kind of high frequency chopping sinusoidal wave output circuit, comprise the two groups of reverse blocking IGBTs be arranged in parallel between power firestreak and load; Inductance, is arranged between reverse blocking IGBT and load; The two groups of continued flow tubes be arranged in parallel, one end of continued flow tube is connected between zero-power line and load, and the other end of continued flow tube is connected between reverse blocking IGBT and inductance; The filter capacitor be arranged in parallel with continued flow tube, one end of filter capacitor is connected between zero-power line and load, and the other end of filter capacitor is connected between inductance and load.This utility model can export high-frequency PWM and reduce harmonic wave and reduced inductance volume, weight reduction; The sine wave exported has good adaptability to electric lighting, does not affect illumination appliance life.
Description
Technical field
The utility model relates to a kind of high frequency chopping sinusoidal wave output circuit, and the sine voltage for lighting electricity saving device exports and obtains excellent power savings.
Background technology
The power-saving method of lighting electricity saving device mostly is controllable silicon cut mode in the market, or the pressure regulation of autotransformer mode.Its output voltage waveforms of controllable silicon cut mode is discontinuous, destroys sinusoidal wave integrality, can produce larger humorous wave interference, and voltage rises and falls suddenly and produces impulse current, the impact that the life-span for light fixture also can be certain.Autotransformer mode exports as sine wave, but its volume is large, and weight is also heavier, and install inconvenient, the scope of application is limited.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of high frequency chopping sinusoidal wave output circuit, sinusoidal wave with the copped wave obtaining high frequency, to be applicable to electric lighting preferably, guarantees electric lighting useful life.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of high frequency chopping sinusoidal wave output circuit, comprising:
Power supply, for AC-powered;
Load;
Being arranged in parallel two groups of reverse blocking IGBTs between power firestreak and load, realizing copped wave function for being switched by high frequency;
Inductance, is arranged between described reverse blocking IGBT and load, for electrical power storage and release;
The two groups of continued flow tubes be arranged in parallel, one end of described continued flow tube is connected between zero-power line and load, and the other end of described continued flow tube is connected between described reverse blocking IGBT and inductance;
The filter capacitor be arranged in parallel with described continued flow tube, one end of described filter capacitor is connected between zero-power line and load, and the other end of described filter capacitor is connected between described inductance and load.
Wherein, adopt DSP CONTROL pulse width modulation, and then controlling described reverse blocking IGBT carries out two-phase high frequency chopping to ac signal, sampled signal is given digital signal processor through signal conditioning circuit and is carried out feedback adjusting pulse width modulation output.
Pass through technique scheme, a kind of high frequency chopping sinusoidal wave output circuit that the utility model provides, it adopts DSP (to be the abbreviation of digital signal processor, i.e. digital signal processor) be core, control PWM (pulse width modulation) carries out the high frequency chopping of two-phase to ac signal, sampled signal is given DSP through signal conditioning circuit and carried out feedback adjusting PWM output; Power device adopts reverse blocking IGBT (i.e. RB-IGBT), and RB-IGBT one-way conduction is reverse and close, to the two-way chop control of alternating current with two.DSP can export high-frequency PWM, and higher frequency can reduce harmonic wave, and the volume of higher frequency energy reduced inductance, weight reduction; Wave mode after copped wave exports remains sinusoidal wave, and sinusoidal wave have good adaptability to electric lighting, does not affect illumination appliance life, relies on Voltage Feedback to control the illuminating energy-saving voltage can stablized set by output.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described.
Fig. 1 is the structural representation of a kind of high frequency chopping sinusoidal wave output circuit disclosed in the utility model embodiment.
Numeral and letter representation in figure:
Q1, Q3: reverse blocking IGBT (RB-IGBT)
Q2, Q4: continued flow tube
L2: inductance
C1: filter capacitor
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
With reference to figure 1, the high frequency chopping sinusoidal wave output circuit that the utility model provides, comprising: power supply, for AC-powered; Load; Being arranged in parallel two groups of reverse blocking IGBT Q1 and Q3 between power firestreak L and load, realizing copped wave function for being switched by high frequency; Inductance L 2, is arranged between reverse blocking IGBT Q1 and Q3 and load, for electrical power storage and release; One end of two groups of continued flow tube Q2 and Q4 be arranged in parallel, continued flow tube Q2 and Q4 is connected between zero-power line N and load, and the other end of continued flow tube Q2 and Q4 is connected between reverse blocking IGBT Q1 and Q3 and inductance L 2; One end of the filter capacitor C1 be arranged in parallel with continued flow tube Q2 and Q4, filter capacitor C1 is connected between zero-power line N and load, and the other end of filter capacitor C1 is connected between inductance L 2 and load.
Wherein, adopt digital signal processor (DSP) control impuls width modulated (PWM), and then controlling reverse blocking IGBT carries out two-phase high frequency chopping to ac signal, sampled signal is given digital signal processor through signal conditioning circuit and is carried out feedback adjusting PWM output.
Operation principle of the present utility model is:
1. positive wave part:
Alternating current, through power firestreak acts on load after inverse-impedance type IGBTQ3, inductance L 2 energy storage, then forms loop with zero-power line;
Then DSP control PWM cuts off reverse blocking IGBT Q3, and inductance L 2 starts discharged by the electric energy of storage and act on load, then forms loop with continued flow tube Q2;
Then DSP according to certain frequency ceaselessly control PWM switch on or off reverse blocking IGBT Q3, alternating current positive wave part formed high frequency chopping;
2. negative wave part:
Alternating current, through power firestreak acts on load after inverse-impedance type IGBTQ1, inductance L 2 energy storage, then forms loop with zero-power line;
Then DSP control PWM cuts off reverse blocking IGBT Q1, and inductance L 2 starts discharged by the electric energy of storage and act on load, then forms loop with continued flow tube Q4;
Then DSP according to certain frequency ceaselessly control PWM switch on or off reverse blocking IGBT Q1, alternating current negative wave part formed high frequency chopping.
Do not stop high frequency chopping by above-mentioned alternating current positive wave part and negative wave part, and then export high frequency chopping sine wave and act on load, its higher frequency can reduce harmonic wave, and the volume of higher frequency energy reduced inductance L2, weight reduction; Copped wave wave mode after filter capacitor C1 filtering exports remains sinusoidal wave, sinusoidal wave have good adaptability to electric lighting, do not affect illumination appliance life, relies on Voltage Feedback to control the illuminating energy-saving voltage can stablized set by output.
To be apparent for those skilled in the art to the multiple amendment of above-described embodiment, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.
Claims (2)
1. a high frequency chopping sinusoidal wave output circuit, is characterized in that, comprising:
Being arranged in parallel two groups of reverse blocking IGBTs between power firestreak and load, realizing copped wave function for being switched by high frequency;
Inductance, is arranged between described reverse blocking IGBT and load, for electrical power storage and release;
The two groups of continued flow tubes be arranged in parallel, one end of described continued flow tube is connected between zero-power line and load, and the other end of described continued flow tube is connected between described reverse blocking IGBT and inductance;
The filter capacitor be arranged in parallel with described continued flow tube, one end of described filter capacitor is connected between zero-power line and load, and the other end of described filter capacitor is connected between described inductance and load.
2. a kind of high frequency chopping sinusoidal wave output circuit according to claim 1, it is characterized in that, adopt DSP CONTROL pulse width modulation, and then controlling described reverse blocking IGBT carries out two-phase high frequency chopping to ac signal, sampled signal is given digital signal processor through signal conditioning circuit and is carried out feedback adjusting pulse width modulation output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600406.9U CN204119046U (en) | 2014-10-17 | 2014-10-17 | A kind of high frequency chopping sinusoidal wave output circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420600406.9U CN204119046U (en) | 2014-10-17 | 2014-10-17 | A kind of high frequency chopping sinusoidal wave output circuit |
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| CN204119046U true CN204119046U (en) | 2015-01-21 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684220A (en) * | 2015-03-10 | 2015-06-03 | 常州尼诺光电科技有限公司 | Alternating current power regulator suitable for time-interval dimming, operating method and street lamp |
| CN106059367A (en) * | 2016-07-04 | 2016-10-26 | 苏州迈力电器有限公司 | Pure-sine-wave inverter having current sampling voltage-stabilizing isolation function |
| CN106059372A (en) * | 2016-07-04 | 2016-10-26 | 苏州迈力电器有限公司 | Pure sine wave inverter with high-frequency chopper current sampling and isolating function |
| CN106059369A (en) * | 2016-07-04 | 2016-10-26 | 苏州迈力电器有限公司 | Pure sine wave inverter with high-frequency chopper voltage sampling and isolating function |
| CN106100424A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with high frequency chopping input isolation features |
| CN106100429A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with current sample isolation features |
| CN106100421A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with high frequency chopping many current signals isolation features |
| CN106100419A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with high frequency chopping voltage stabilizing isolation features |
| CN106100427A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with filtering high frequency chopping signal isolation features |
| CN106100415A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with input isolation features |
| CN106130396A (en) * | 2016-07-04 | 2016-11-16 | 苏州迈力电器有限公司 | There is the pure sine wave inverter of high frequency chopping current sample voltage stabilizing isolation features |
| CN106160556A (en) * | 2016-07-04 | 2016-11-23 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with voltage stabilizing isolation features |
| CN106160558A (en) * | 2016-07-04 | 2016-11-23 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with high frequency chopping signal isolation features |
-
2014
- 2014-10-17 CN CN201420600406.9U patent/CN204119046U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684220A (en) * | 2015-03-10 | 2015-06-03 | 常州尼诺光电科技有限公司 | Alternating current power regulator suitable for time-interval dimming, operating method and street lamp |
| CN106059367A (en) * | 2016-07-04 | 2016-10-26 | 苏州迈力电器有限公司 | Pure-sine-wave inverter having current sampling voltage-stabilizing isolation function |
| CN106059372A (en) * | 2016-07-04 | 2016-10-26 | 苏州迈力电器有限公司 | Pure sine wave inverter with high-frequency chopper current sampling and isolating function |
| CN106059369A (en) * | 2016-07-04 | 2016-10-26 | 苏州迈力电器有限公司 | Pure sine wave inverter with high-frequency chopper voltage sampling and isolating function |
| CN106100424A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with high frequency chopping input isolation features |
| CN106100429A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with current sample isolation features |
| CN106100421A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with high frequency chopping many current signals isolation features |
| CN106100419A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with high frequency chopping voltage stabilizing isolation features |
| CN106100427A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with filtering high frequency chopping signal isolation features |
| CN106100415A (en) * | 2016-07-04 | 2016-11-09 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with input isolation features |
| CN106130396A (en) * | 2016-07-04 | 2016-11-16 | 苏州迈力电器有限公司 | There is the pure sine wave inverter of high frequency chopping current sample voltage stabilizing isolation features |
| CN106160556A (en) * | 2016-07-04 | 2016-11-23 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with voltage stabilizing isolation features |
| CN106160558A (en) * | 2016-07-04 | 2016-11-23 | 苏州迈力电器有限公司 | A kind of pure sine wave inverter with high frequency chopping signal isolation features |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |