CN103368398A - Negative ion air cleaner high-voltage direct current power supply - Google Patents
Negative ion air cleaner high-voltage direct current power supply Download PDFInfo
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- CN103368398A CN103368398A CN2013102959028A CN201310295902A CN103368398A CN 103368398 A CN103368398 A CN 103368398A CN 2013102959028 A CN2013102959028 A CN 2013102959028A CN 201310295902 A CN201310295902 A CN 201310295902A CN 103368398 A CN103368398 A CN 103368398A
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Abstract
The invention discloses a negative ion air cleaner high-voltage direct current power supply. A noise reduction rectification filter circuit is connected with an alternating current power supply, an output of the noise reduction rectification filter circuit is connected with a DC-DC voltage regulator circuit which is connected with an inverter circuit, the inverter circuit is connected with a boosted circuit and a high frequency boosting transformer, the high frequency boosting transformer is connected with a voltage doubling rectifying circuit, the voltage doubling rectifying circuit is connected with a negative ion air cleaner, and corona wire heater voltage of the negative ion air cleaner is generated by a low-voltage secondary winding of the high frequency boosting transformer. According to the negative ion air cleaner high-voltage direct current power supply, the DC-DC voltage regulator circuit is added on the front stage of an inverter to achieve voltage adjustment, reduction of electromagnetic interference is facilitated, and control complexity of the inverter is lowered; a corona wire heating alternating current power supply is additionally arranged, the winding used for heating is wound on the outer layer of the high-voltage transformer on the premise that cost and complexity of a negative ion generator are not improved, therefore, the transformer can provide corona voltage and corona wire heating alternating voltage at the same time, and insulating treatment is eliminated.
Description
Technical field
The present invention relates to a kind of negative ion air-cleaner high-voltage DC power supply.
Background technology
Negative ion air-cleaner be a kind of utilize the anion that self produces to air purify, the environment optimization electrical equipment of dedusting, taste removal, sterilization, the difference of it and traditional air cleaner be it with anion as acting factor, make an initiative sally and catch airborne harmful substance, and traditional air cleaner is by the blower fan exhausting, utilize the strainer filtering dust to purify air, the cleaning principle that is called the passive adsorption filtering type, need the periodic replacement filter screen, negative ion air-cleaner then need not consumptive material.Adopting at present the anion converter technology and receiving the negative ion air-cleaner fan of sub-fullerene negative ion release technology does not need, and without any noise, also can use night.
Yet, the high-voltage DC power supply of existing negative ion air-cleaner as shown in Figure 1, what hypermutation connect than the secondary of step-up transformer is voltage doubling rectifing circuit, thereby equivalence is a high capacitive load to transformer primary side, what be that inverter connects is a high capacitive load of equivalence, and load current very little (underloading), this just so that utilize change inverter duty recently the full adjustment output voltage become very difficult.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of electromagnetic interference that effectively reduces is provided, reduce simultaneously the negative ion air-cleaner high-voltage DC power supply of the control complexity of inverter, adopt fixed frequency, fixed duty cycle, regulate the method for inverter input terminal supply voltage and adjust output voltage; Increase the corona wire heating AC power, be tied with for the winding that heats at the high-tension transformer skin on the basis of not improving anion generator cost and complexity, transformer provides corona voltage and corona wire heating alternating voltage simultaneously, saves insulation processing.
The objective of the invention is to be achieved through the following technical solutions: the negative ion air-cleaner high-voltage DC power supply, it comprises:
Be used for the AC power noise reduction of inputting and the noise reduction current rectifying and wave filtering circuit that AC power is converted to direct voltage;
Be used for regulating the DC-DC regulating circuit of the dc voltage value of inputting inverter circuit;
Be used for the direct voltage of DC-DC regulating circuit output is changed into the inverter circuit of alternating current;
Be used for the booster circuit that the alternating current to inverter circuit output boosts;
The noise reduction current rectifying and wave filtering circuit connects AC power, the output of noise reduction current rectifying and wave filtering circuit connects the dc voltage input end of DC-DC regulating circuit, the dc voltage output end of DC-DC regulating circuit is connected with inverter circuit, and the alternating current output of inverter circuit is connected with the input of booster circuit.
Concrete, the noise reduction current rectifying and wave filtering circuit is comprised of the current rectifying and wave filtering circuit that is used for the noise reduction filtering circuit of input ac power noise reduction and be used for AC power is converted to direct voltage, the input of noise reduction filtering circuit connects AC power, the output of noise reduction filtering circuit connects current rectifying and wave filtering circuit, and the output of current rectifying and wave filtering circuit connects the DC-DC regulating circuit.
Concrete, booster circuit is comprised of high-frequency step-up transformer and voltage doubling rectifing circuit, the alternating current output of inverter circuit links to each other with high-frequency step-up transformer, and the output of high-frequency step-up transformer links to each other with voltage doubling rectifing circuit, and the output of voltage doubling rectifing circuit is connected with negative ion air-cleaner.
Further, inverter circuit is two-tube diode case position formula controlled resonant converter.
As a further improvement on the present invention, the negative ion air-cleaner high-voltage DC power supply also comprises control master chip and voltage feedback circuit, an input of voltage feedback circuit is connected with high-frequency step-up transformer, and another input of voltage feedback circuit links to each other with negative ion air-cleaner; The output of voltage feedback circuit is connected with the control master chip, and an output of control master chip is connected with the DC-DC regulating circuit, and another output is connected with inverter circuit.
As a further improvement on the present invention, the negative ion air-cleaner high-voltage DC power supply also comprises over-current detection circuit, and the input of over-current detection circuit is connected with the DC-DC regulating circuit, and the output of over-current detection circuit is connected with the control master chip.
As a further improvement on the present invention, the negative ion air-cleaner high-voltage DC power supply also comprises accessory power supply, and the input of accessory power supply links to each other with the noise reduction filtering circuit, and the output of accessory power supply is connected with the control master chip.
As a further improvement on the present invention, the corona wire heating voltage of negative ion air-cleaner is produced by the low voltage secondary winding of high-frequency step-up transformer.
The invention has the beneficial effects as follows:
1) prime at inverter adds the DC-DC regulating circuit, realizes the adjusting of voltage, and need not to regulate in the inverter link, is conducive to reduce electromagnetic interference, and has reduced the control complexity of inverter; Namely adopt fixed frequency, fixed duty cycle, regulate the method for inverter input terminal supply voltage and adjust output voltage.
2) utilize the low voltage secondary sampling winding of high-frequency step-up transformer to replace output voltage, compare with conventional negative ion generator power supply, increased the corona wire heating AC power, on the basis of not improving anion generator cost and complexity, be tied with for the winding that heats at the high-tension transformer skin, transformer can provide corona voltage and corona wire heating alternating voltage simultaneously like this, has saved insulation processing.
Description of drawings
Fig. 1 is the structural representation block diagram of existing negative ion air-cleaner high-voltage DC power supply;
Fig. 2 is the structural representation block diagram of high-voltage DC power supply of the present invention.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 2, the negative ion air-cleaner high-voltage DC power supply, it comprises:
Be used for the AC power noise reduction of inputting and the noise reduction current rectifying and wave filtering circuit that AC power is converted to direct voltage;
Be used for regulating the DC-DC regulating circuit of the dc voltage value of inputting inverter circuit;
Be used for the direct voltage of DC-DC regulating circuit output is changed into the inverter circuit of alternating current;
Be used for the booster circuit that the alternating current to inverter circuit output boosts;
The noise reduction current rectifying and wave filtering circuit connects AC power, the output of noise reduction current rectifying and wave filtering circuit connects the dc voltage input end of DC-DC regulating circuit, the dc voltage output end of DC-DC regulating circuit is connected with inverter circuit, and the alternating current output of inverter circuit is connected with the input of booster circuit.
Concrete, the noise reduction current rectifying and wave filtering circuit is comprised of the current rectifying and wave filtering circuit that is used for the noise reduction filtering circuit of input ac power noise reduction and be used for AC power is converted to direct voltage, the input of noise reduction filtering circuit connects AC power, the output of noise reduction filtering circuit connects current rectifying and wave filtering circuit, and the output of current rectifying and wave filtering circuit connects the DC-DC regulating circuit.
Concrete, booster circuit is comprised of high-frequency step-up transformer and voltage doubling rectifing circuit, the alternating current output of inverter circuit links to each other with high-frequency step-up transformer, the output of high-frequency step-up transformer links to each other with voltage doubling rectifing circuit, and the output of voltage doubling rectifing circuit is connected with negative ion air-cleaner (being " purifier " among the figure).
AC power is input as the 220V power frequency supply, through becoming the direct voltage about 300V behind the noise reduction rectifying and wave-filtering.Then utilize BUCK circuit (DC-DC regulating circuit) to regulate the dc voltage value that is input to inverter circuit, thereby control last High voltage output voltage.Wherein, inverter circuit adopts two-tube diode case position formula controlled resonant converter.Chopper circuit (DC-DC regulating circuit) and the operating frequency of inverter circuit are all 80KHz.Boosting of power supply finished jointly by high-frequency step-up transformer and three grades of (6) times voltage doubling rectifing circuits, so that output voltage reaches 10KV at last.
As a further improvement on the present invention, the negative ion air-cleaner high-voltage DC power supply also comprises control master chip and voltage feedback circuit, an input of voltage feedback circuit is connected with high-frequency step-up transformer, and another input of voltage feedback circuit links to each other with negative ion air-cleaner; The output of voltage feedback circuit is connected with the control master chip, and an output of control master chip is connected with the DC-DC regulating circuit, and another output is connected with inverter circuit.Wherein, the control master chip adopts PWM modulation special chip SG3525, and this chip is the fixing monolithic High Performance PWM controller of frequency, is used for the second generation pulse-width controller of driving N channel enhancement metal-oxide-semiconductor.
As a further improvement on the present invention, the negative ion air-cleaner high-voltage DC power supply also comprises over-current detection circuit, and the input of over-current detection circuit is connected with the DC-DC regulating circuit, and the output of over-current detection circuit is connected with the control master chip.
As a further improvement on the present invention, the negative ion air-cleaner high-voltage DC power supply also comprises accessory power supply, and the input of accessory power supply links to each other with the noise reduction filtering circuit, and the output of accessory power supply is connected with the control master chip.
Consider that insulation isolating problem and whole anion generator are not very harsh to the required precision of power supply, this high-voltage DC power supply utilizes the low voltage secondary sampling winding of frequency conversion step-up transformer to replace output voltage, and namely the corona wire heating voltage of negative ion air-cleaner is produced by the low voltage secondary winding of high-frequency step-up transformer.
Claims (8)
1. negative ion air-cleaner high-voltage DC power supply, it is characterized in that: it comprises:
Be used for the AC power noise reduction of inputting and the noise reduction current rectifying and wave filtering circuit that AC power is converted to direct voltage;
Be used for regulating the DC-DC regulating circuit of the dc voltage value of inputting inverter circuit;
Be used for the direct voltage of DC-DC regulating circuit output is changed into the inverter circuit of alternating current;
Be used for the booster circuit that the alternating current to inverter circuit output boosts;
The noise reduction current rectifying and wave filtering circuit connects AC power, the output of noise reduction current rectifying and wave filtering circuit connects the dc voltage input end of DC-DC regulating circuit, the dc voltage output end of DC-DC regulating circuit is connected with inverter circuit, and the alternating current output of inverter circuit is connected with the input of booster circuit.
2. negative ion air-cleaner high-voltage DC power supply according to claim 1, it is characterized in that: described noise reduction current rectifying and wave filtering circuit is comprised of the current rectifying and wave filtering circuit that is used for the noise reduction filtering circuit of input ac power noise reduction and be used for AC power is converted to direct voltage, the input of noise reduction filtering circuit connects AC power, the output of noise reduction filtering circuit connects current rectifying and wave filtering circuit, and the output of current rectifying and wave filtering circuit connects the DC-DC regulating circuit.
3. negative ion air-cleaner high-voltage DC power supply according to claim 1, it is characterized in that: described booster circuit is comprised of high-frequency step-up transformer and voltage doubling rectifing circuit, the alternating current output of inverter circuit links to each other with high-frequency step-up transformer, the output of high-frequency step-up transformer links to each other with voltage doubling rectifing circuit, and the output of voltage doubling rectifing circuit is connected with negative ion air-cleaner.
4. negative ion air-cleaner high-voltage DC power supply according to claim 1, it is characterized in that: described inverter circuit is two-tube diode case position formula controlled resonant converter.
5. the described negative ion air-cleaner high-voltage DC power supply of any one according to claim 1～3, it is characterized in that: it also comprises control master chip and voltage feedback circuit, an input of voltage feedback circuit is connected with high-frequency step-up transformer, and another input of voltage feedback circuit links to each other with negative ion air-cleaner; The output of voltage feedback circuit is connected with the control master chip, and an output of control master chip is connected with the DC-DC regulating circuit, and another output is connected with inverter circuit.
6. the described negative ion air-cleaner high-voltage DC power supply of any one according to claim 1～3, it is characterized in that: it also comprises over-current detection circuit, the input of over-current detection circuit is connected with the DC-DC regulating circuit, and the output of over-current detection circuit is connected with the control master chip.
7. the described negative ion air-cleaner high-voltage DC power supply of any one according to claim 1～3, it is characterized in that: it also comprises accessory power supply, the input of accessory power supply links to each other with the noise reduction filtering circuit, and the output of accessory power supply is connected with the control master chip.
8. negative ion air-cleaner high-voltage DC power supply according to claim 3 is characterized in that: the corona wire heating voltage of described negative ion air-cleaner is produced by the low voltage secondary winding of high-frequency step-up transformer.
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| CN2013102959028A CN103368398A (en) | 2013-07-16 | 2013-07-16 | Negative ion air cleaner high-voltage direct current power supply |
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| CN2013102959028A CN103368398A (en) | 2013-07-16 | 2013-07-16 | Negative ion air cleaner high-voltage direct current power supply |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158400A (en) * | 2014-07-18 | 2014-11-19 | 江苏博纬新能源科技有限公司 | Modularized high-pressure power supply circuit |
| CN104377964A (en) * | 2014-12-01 | 2015-02-25 | 中国电子科技集团公司第四十三研究所 | Integrated control circuit on basis of voltage loop feedback and automatic load current sharing |
| CN105356298A (en) * | 2015-05-29 | 2016-02-24 | 西安科技大学 | Digital anion generator control method |
| CN107276431A (en) * | 2017-07-27 | 2017-10-20 | 邹彦双 | A kind of negative feedback air anion purifier |
| CN107437728A (en) * | 2017-07-31 | 2017-12-05 | 屈胜环 | Anion generator control platform |
| CN107645239A (en) * | 2017-10-10 | 2018-01-30 | 深圳市信电科技有限公司 | High drive power supply for air purifier capable of generating high-energy ions |
| CN107994780A (en) * | 2017-12-27 | 2018-05-04 | 诺仪器（中国）有限公司 | Optical fiber splicer electrode bar electrion control circuit and method |
| CN111129960A (en) * | 2019-12-30 | 2020-05-08 | 纯沁空气净化技术(上海)有限公司 | Negative ion generating device |
| CN113905704A (en) * | 2020-04-21 | 2022-01-07 | 日立环球生活方案株式会社 | Clean shed |
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| EP1507327A1 (en) * | 2003-08-13 | 2005-02-16 | Sander Elektronik AG | Emergency lighting unit with integrated electronic ballast |
| CN202261054U (en) * | 2011-08-31 | 2012-05-30 | 湖南丰日电源电气股份有限公司 | DSP controlled high-voltage direct current power supply module |
| CN203326885U (en) * | 2013-07-16 | 2013-12-04 | 四川省迪特尔电子有限公司 | High-voltage direct-current power supply of negative ion air purifier |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104158400A (en) * | 2014-07-18 | 2014-11-19 | 江苏博纬新能源科技有限公司 | Modularized high-pressure power supply circuit |
| CN104377964A (en) * | 2014-12-01 | 2015-02-25 | 中国电子科技集团公司第四十三研究所 | Integrated control circuit on basis of voltage loop feedback and automatic load current sharing |
| CN104377964B (en) * | 2014-12-01 | 2017-04-19 | 中国电子科技集团公司第四十三研究所 | Integrated control circuit on basis of voltage loop feedback and automatic load current sharing |
| CN105356298A (en) * | 2015-05-29 | 2016-02-24 | 西安科技大学 | Digital anion generator control method |
| CN105356298B (en) * | 2015-05-29 | 2016-06-29 | 西安科技大学 | A kind of control method of digitized anion generator |
| CN107276431A (en) * | 2017-07-27 | 2017-10-20 | 邹彦双 | A kind of negative feedback air anion purifier |
| CN107437728A (en) * | 2017-07-31 | 2017-12-05 | 屈胜环 | Anion generator control platform |
| CN107645239A (en) * | 2017-10-10 | 2018-01-30 | 深圳市信电科技有限公司 | High drive power supply for air purifier capable of generating high-energy ions |
| CN107994780A (en) * | 2017-12-27 | 2018-05-04 | 诺仪器（中国）有限公司 | Optical fiber splicer electrode bar electrion control circuit and method |
| CN111129960A (en) * | 2019-12-30 | 2020-05-08 | 纯沁空气净化技术(上海)有限公司 | Negative ion generating device |
| CN113905704A (en) * | 2020-04-21 | 2022-01-07 | 日立环球生活方案株式会社 | Clean shed |
| CN113905704B (en) * | 2020-04-21 | 2023-03-17 | 日立环球生活方案株式会社 | Clean shed |
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Application publication date: 20131023 |