CN204465350U - A kind of resonance offset frequency ozonizer power supply - Google Patents
A kind of resonance offset frequency ozonizer power supply Download PDFInfo
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- CN204465350U CN204465350U CN201520066495.8U CN201520066495U CN204465350U CN 204465350 U CN204465350 U CN 204465350U CN 201520066495 U CN201520066495 U CN 201520066495U CN 204465350 U CN204465350 U CN 204465350U
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Abstract
The utility model discloses a kind of resonance offset frequency ozonizer power supply, comprise the AC power, current rectifying and wave filtering circuit, IGBT full bridge inverter, frequency modulation booster circuit and the resonant tank that connect successively.Resonance offset frequency ozonizer power supply provided by the utility model, IGBT full bridge inverter is adopted to form adjustable high-power frequency excitation source, 2 operating frequencies are produced respectively: driving source frequency and resonance frequency with resonant tank, frequency actual in circuit is the superposition of two frequencies, frequency after superposition and waveform generation offset frequency resonance, can realize larger frequency range and voltage-regulation in a big way.
Description
Technical field
The utility model relates to ozone generator, particularly a kind of resonance offset frequency ozonizer power supply.
Background technology
The high-tension electricity frequency partition of generator pressed by ozone generator in the world, has power frequency (50-60Hz), intermediate frequency (400-1000Hz) and high frequency (> 1000Hz) three kinds.
As the large-scale ozone generator of industrial circle application, the separate unit power of its high voltage inverting power source is at least at more than 20KW, and operating frequency, at more than 1KHz, is considered as the design studies starting point of the large-scale high frequency ozone generator inverter of kilogram levels.Industrial intermediate frequency (400-800Hz) ozone generator inverter circuit in the past; switch power element mainly adopts controllable silicon (SCR); because it initiatively can not turn off with drive singal; add the design difficulty of inverter main circuit and protective circuit thereof; be easy to the short circuit phenomenon occurring that false triggering causes, affect its operation stability.Developing rapidly of Modern Power Electronic Devices, facilitates the progress of high power contravariant technology, and wherein insulated gate bipolar transistor (being called for short IGBT) becomes in multiple device the device given prominence to the most, be most widely used.The features such as it is fast that IGBT has switching speed, and working loss is little, and element volume is large, easy driving, the inverter for large-scale ozone generator integrates bipolar great power transistor and power field effect pipe MOFET advantage.Improve controllability and the stability of inverter circuit, is the first-selection of design ozone generator inverter.
Current domestic ozone generator inverter main circuit, the circuit of all employing IGBT device work is all be combined into full bridge structure form, adjusts stretch circuit to add (phase-locked) feedback circuit form by pwm pulse.Most feedback sample point (content) is for reference point with the current variation value in circuit.The course of work is all carry out signal feedback according to output current or voltage, and form closed loop frequency and follow the tracks of, circuit is resonance form, and the voltage of load end is sine wave shape.How voltage waveforms on discharge tube is not the key content paid close attention to.Now commercially also have the circuit of partial resonance type, but the object of circuit design is the resonance of holding circuit, prevents circuit off resonance, the phase feedback of load end is completed frequency-tracking to control end, allow circuit always be in humorous center of percussion.Also circuit operating pattern is designed to frequency-adjustable, circuit form that voltage is adjustable by nobody.
Utility model content
The utility model object is: provide a kind of resonance offset frequency ozonizer power supply.
The technical solution of the utility model is:
A kind of resonance offset frequency ozonizer power supply, comprises the AC power, current rectifying and wave filtering circuit, IGBT full bridge inverter, frequency modulation booster circuit and the resonant tank that connect successively.
Described AC power is three-phase alternating-current supply.
Described current rectifying and wave filtering circuit comprises the full-bridge silicon rectification circuit and High Power Factor filter circuit that connect successively.
Described IGBT full bridge inverter comprises Q1 ~ Q4 tetra-IGBT, and wherein Q1 and Q4 is one group, Q2 and Q3 is another group, and two groups of IGBT On current directions are contrary, and controls break-make by two groups of anti-phase driving pulses respectively.
Described IGBT full bridge inverter exports and connects frequency modulation booster circuit, and described frequency modulation booster circuit comprises transformer TM.
Described resonant tank comprises inductance L F2 and the electric capacity FDG of series connection, and transformer TM output connects resonant tank.
Described frequency modulation booster circuit is connected with phase detecting circuit, and phase detecting circuit exports and connects pulse driving circuit, and described pulse driving circuit produces the break-make that driving pulse controls two groups of IGBT.
Described High Power Factor filter circuit and resonant tank are in series with fuse FU1 and FU2 respectively.
The utility model has the advantages that:
Resonance offset frequency ozonizer power supply provided by the utility model, IGBT full bridge inverter is adopted to form adjustable high-power frequency excitation source, 2 operating frequencies are produced respectively: driving source frequency and resonance frequency with resonant tank, frequency actual in circuit is the superposition of two frequencies, frequency after superposition and waveform generation offset frequency resonance, can realize larger frequency range and voltage-regulation in a big way.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the operation principle block diagram of resonance offset frequency ozonizer power supply described in the utility model;
Fig. 2 is the circuit theory diagrams of resonance offset frequency ozonizer power supply described in the utility model;
Fig. 3 is the equivalent circuit diagram of Fig. 2.
Embodiment
As shown in Figure 1, new the disclosed resonance offset frequency ozonizer power supply of the utility model, comprise the AC380V three-phase alternating-current supply, full-bridge silicon rectification circuit, High Power Factor filter circuit, IGBT full bridge inverter, frequency modulation booster circuit and the resonant tank that connect successively, described frequency modulation booster circuit is connected with phase detecting circuit, phase detecting circuit exports and connects pulse driving circuit, and described pulse driving circuit produces driving pulse control IGBT full bridge inverter.
Concrete, as shown in Figure 2, three-phase 380V/50Hz alternating current through three-phase commutation bridge BR rectification, then through inductance L F1, resistance R1 and electric capacity C1, C2 composition High Power Factor filter circuit carry out filtering after, for IGBT full bridge inverter provides galvanic current.IGBT full bridge inverter comprises Q1 ~ Q4 tetra-IGBT, and wherein Q1 and Q4 is one group, Q2 and Q3 is another group, and two groups of IGBT On current directions are contrary, and controls break-make, with group IGBT conducting simultaneously and cut-off by two groups of anti-phase driving pulses respectively.Described IGBT full bridge inverter exports the transformer TM connecting frequency modulation booster circuit, driving pulse with frequency F alternately switch Q1 Q4 and Q2/Q3 conducting and cut-off, transformer TM primary coil just obtains the alternating voltage that frequency is F, export after boosting through transformer TM, send in the resonant tank of LF2 and FDG composition, form sine voltage.Described High Power Factor filter circuit and resonant tank are in series with fuse FU1 and FU2 respectively, carry out circuit protection.
Circuit described in Fig. 2 can be reduced to equivalent electric circuit as shown in Figure 3, IGBT full bridge inverter forms adjustable high-power frequency excitation source TF, shown in Fig. 3, adjustable high-power frequency excitation source TF and resonant tank produce 2 operating frequencies respectively: driving source frequency and resonance frequency, frequency actual in circuit is the superposition of two frequencies, frequency after superposition and waveform generation offset frequency resonance, can realize larger frequency range and voltage-regulation in a big way.
Inductance L F2 in circuit of the present utility model can adopt dispersed structure, forms resonant tank respectively with numerous small inductor and each discharge tube, replaces a total inductance to complete this function.And no matter inductance L F2 is Ferrite Material structure or hollow core structures, do not affect the realization of this circuit function.
Above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All modifications done according to the Spirit Essence of the utility model main technical schemes, all should be encompassed within protection range of the present utility model.
Claims (8)
1. a resonance offset frequency ozonizer power supply, is characterized in that: comprise the AC power, current rectifying and wave filtering circuit, IGBT full bridge inverter, frequency modulation booster circuit and the resonant tank that connect successively.
2. resonance offset frequency ozonizer power supply according to claim 1, is characterized in that: described AC power is three-phase alternating-current supply.
3. resonance offset frequency ozonizer power supply according to claim 2, is characterized in that: described current rectifying and wave filtering circuit comprises the full-bridge silicon rectification circuit and High Power Factor filter circuit that connect successively.
4. resonance offset frequency ozonizer power supply according to claim 3, it is characterized in that: described IGBT full bridge inverter comprises Q1 ~ Q4 tetra-IGBT, wherein Q1 and Q4 is one group, Q2 and Q3 is another group, two groups of IGBT On current directions are contrary, and control break-make by two groups of anti-phase driving pulses respectively.
5. resonance offset frequency ozonizer power supply according to claim 4, is characterized in that: described IGBT full bridge inverter exports and connects frequency modulation booster circuit, and described frequency modulation booster circuit comprises transformer TM.
6. resonance offset frequency ozonizer power supply according to claim 5, is characterized in that: described resonant tank comprises inductance L F2 and the electric capacity FDG of series connection, and transformer TM output connects resonant tank.
7. resonance offset frequency ozonizer power supply according to claim 6, it is characterized in that: described frequency modulation booster circuit is connected with phase detecting circuit, phase detecting circuit exports and connects pulse driving circuit, and described pulse driving circuit produces the break-make that driving pulse controls two groups of IGBT.
8. resonance offset frequency ozonizer power supply according to claim 6, is characterized in that: described High Power Factor filter circuit and resonant tank are in series with fuse FU1 and FU2 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066495.8U CN204465350U (en) | 2015-01-30 | 2015-01-30 | A kind of resonance offset frequency ozonizer power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520066495.8U CN204465350U (en) | 2015-01-30 | 2015-01-30 | A kind of resonance offset frequency ozonizer power supply |
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| CN204465350U true CN204465350U (en) | 2015-07-08 |
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| CN201520066495.8U Active CN204465350U (en) | 2015-01-30 | 2015-01-30 | A kind of resonance offset frequency ozonizer power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601005A (en) * | 2015-01-30 | 2015-05-06 | 惟能科技（上海）有限公司 | Resonance offset frequency ozone generator power supply |
| CN106229930A (en) * | 2016-09-18 | 2016-12-14 | 湖北科技学院 | A kind of DC power transmission line conductor ice prevention is held concurrently static passive compensation device |
-
2015
- 2015-01-30 CN CN201520066495.8U patent/CN204465350U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601005A (en) * | 2015-01-30 | 2015-05-06 | 惟能科技（上海）有限公司 | Resonance offset frequency ozone generator power supply |
| CN106229930A (en) * | 2016-09-18 | 2016-12-14 | 湖北科技学院 | A kind of DC power transmission line conductor ice prevention is held concurrently static passive compensation device |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20160929 Address after: 255400, Shandong, Linzi, Zibo three star water city 4, room 3-102 Patentee after: Cao Heng Address before: 200000 Shanghai Putuo District City Light Road No. 1219 3 floor room 068 Patentee before: Able Technology (Shanghai) Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190524 Address after: 255400 Linzi Avenue 989, Linzi District, Zibo City, Shandong Province Patentee after: Hengtian Moore Technology (Shandong) Co., Ltd. Address before: 255400 Room 3-102, No. 4, Samsung Yishui Famous City, Linzi District, Zibo, Shandong Province Patentee before: Cao Heng |
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Effective date of registration: 20200715 Address after: 201306 building C, No. 888, Huanhu West 2nd Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Zhengjiang Technology (Shanghai) Co., Ltd Address before: 255400 Linzi Avenue 989, Linzi District, Zibo City, Shandong Province Patentee before: Hengtian Moore Technology (Shandong) Co.,Ltd. |
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Effective date of registration: 20211209 Address after: 213000 No. 201, Hehai West Road, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Weineng Technology (Changzhou) Co.,Ltd. Address before: 201306 building C, No. 888, Huanhu West 2nd Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: Zhengjiang Technology (Shanghai) Co., Ltd |
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