CN203326885U - High-voltage direct-current power supply of negative ion air purifier - Google Patents
High-voltage direct-current power supply of negative ion air purifier Download PDFInfo
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- CN203326885U CN203326885U CN2013204194312U CN201320419431U CN203326885U CN 203326885 U CN203326885 U CN 203326885U CN 2013204194312 U CN2013204194312 U CN 2013204194312U CN 201320419431 U CN201320419431 U CN 201320419431U CN 203326885 U CN203326885 U CN 203326885U
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Abstract
The utility model discloses a high-voltage direct-current power supply of a negative ion air purifier. Output of a de-noising, rectifying and filtering circuit is connected with a DC-DC voltage regulation circuit, the DC-DC voltage regulation circuit is connected with an inverter circuit, and the inverter circuit is connected with a boosting circuit; the inverter circuit is connected with a high-frequency boosting transformer, the high-frequency boosting transformer is connected with a voltage multiplying rectifier circuit, and the voltage multiplying rectifier circuit is connected with the negative ion air purifier; and corona wire heating voltage of the negative ion air purifier is produced by a low-voltage secondary winding of the high-frequency boosting transformer. The DC-DC voltage regulation circuit is added at a front stage of an inverter to realize voltage regulation, which is conducive to reduction of electromagnetic interference and reduction of control complexity of the inverter; and corona wire heating alternating-current power is increased, a winding used for heating is wound at the outer layer of a high-voltage transformer on the basis of not increasing cost and complexity of a negative ion generator, and thus the transformer can simultaneously provide corona discharge voltage and corona wire heating alternating-current voltage, thus omitting the step of insulation treatment.
Description
Technical field
The utility model relates to a kind of negative ion air-cleaner high-voltage DC power supply.
Background technology
Negative ion air-cleaner be a kind of anion that utilizes self to produce to air purified, the environment optimization electrical equipment of dedusting, taste removal, sterilizing, the difference of it and traditional air cleaner is that it usings 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 is without 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 be used 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 make utilize to change inverter duty recently the full adjustment output voltage become very difficult.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of electromagnetic interference that effectively reduces is provided, reduce the negative ion air-cleaner high-voltage DC power supply of the control complexity of inverter simultaneously, 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, on the basis of not improving anion generator cost and complexity, at the high-tension transformer skin, be tied with the winding for heating, transformer provides corona voltage and corona wire heating alternating voltage simultaneously, saves insulation processing.
The purpose of this utility model is achieved through the following technical solutions: the negative ion air-cleaner high-voltage DC power supply, and it comprises:
For the AC power noise reduction to input and AC power is converted to the noise reduction current rectifying and wave filtering circuit of direct voltage;
For regulating the DC-DC regulating circuit of the DC voltage value of inputting inverter circuit;
Change the inverter circuit of alternating current into for the direct voltage by the output of DC-DC regulating circuit;
The booster circuit boosted for the alternating current to inverter circuit output;
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 forms by the noise reduction filtering circuit for to the input ac power noise reduction with for the current rectifying and wave filtering circuit that 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 is connected with high-frequency step-up transformer, and the output of high-frequency step-up transformer is connected 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 further improvement of the utility model, the negative ion air-cleaner high-voltage DC power supply also comprises controls 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 is connected with negative ion air-cleaner; The output of voltage feedback circuit is connected with the control master chip, and an output controlling master chip is connected with the DC-DC regulating circuit, and another output is connected with inverter circuit.
As further improvement of the utility model, 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 further improvement of the utility model, the negative ion air-cleaner high-voltage DC power supply also comprises accessory power supply, and the input of accessory power supply is connected with the noise reduction filtering circuit, and the output of accessory power supply is connected with the control master chip.
As further improvement of the utility model, 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 beneficial effects of the utility model are:
1) prime at inverter adds the DC-DC regulating circuit, realizes the adjusting of voltage, and, without regulating, be conducive to reduce electromagnetic interference in the inverter link, and reduced the control complexity of inverter; 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, with conventional negative ion generator power supply, compare, increased the corona wire heating AC power, be tied with the winding for heating at the high-tension transformer skin on the basis of not improving anion generator cost and complexity, transformer can provide corona voltage and corona wire heating alternating voltage simultaneously like this, has saved insulation processing.
The accompanying drawing explanation
Fig. 1 is the structural representation block diagram of existing negative ion air-cleaner high-voltage DC power supply;
The structural representation block diagram that Fig. 2 is the utility model high-voltage DC power supply.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail, but protection range of the present utility model is not limited to the following stated.
As shown in Figure 2, the negative ion air-cleaner high-voltage DC power supply, it comprises:
For the AC power noise reduction to input and AC power is converted to the noise reduction current rectifying and wave filtering circuit of direct voltage;
For regulating the DC-DC regulating circuit of the DC voltage value of inputting inverter circuit;
Change the inverter circuit of alternating current into for the direct voltage by the output of DC-DC regulating circuit;
The booster circuit boosted for the alternating current to inverter circuit output;
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 forms by the noise reduction filtering circuit for to the input ac power noise reduction with for the current rectifying and wave filtering circuit that 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 is connected with high-frequency step-up transformer, the output of high-frequency step-up transformer is connected with voltage doubling rectifing circuit, and the output of voltage doubling rectifing circuit is connected with negative ion air-cleaner (being " purifier " in figure).
AC power is input as the 220V power frequency supply, becomes the direct voltage of 300V left and right after 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 completed jointly by high-frequency step-up transformer and three grades of (6) times voltage doubling rectifing circuits, makes output voltage finally reach 10KV.
As further improvement of the utility model, the negative ion air-cleaner high-voltage DC power supply also comprises controls 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 is connected with negative ion air-cleaner; The output of voltage feedback circuit is connected with the control master chip, and an output controlling master chip is connected with the DC-DC regulating circuit, and another output is connected with inverter circuit.Wherein, control master chip and adopt PWM modulation special chip SG3525, this chip is the fixing monolithic High Performance PWM controller of frequency, for the second generation pulse-width controller of driving N channel enhancement metal-oxide-semiconductor.
As further improvement of the utility model, 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 further improvement of the utility model, the negative ion air-cleaner high-voltage DC power supply also comprises accessory power supply, and the input of accessory power supply is connected 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 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:
For the AC power noise reduction to input and AC power is converted to the noise reduction current rectifying and wave filtering circuit of direct voltage;
For regulating the DC-DC regulating circuit of the DC voltage value of inputting inverter circuit;
Change the inverter circuit of alternating current into for the direct voltage by the output of DC-DC regulating circuit;
The booster circuit boosted for the alternating current to inverter circuit output;
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 forms by the noise reduction filtering circuit for to the input ac power noise reduction with for the current rectifying and wave filtering circuit that 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 is connected with high-frequency step-up transformer, the output of high-frequency step-up transformer is connected 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. according to the described negative ion air-cleaner high-voltage DC power supply of any one in claim 1～3, it is characterized in that: it also comprises controls 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 is connected with negative ion air-cleaner; The output of voltage feedback circuit is connected with the control master chip, and an output controlling master chip is connected with the DC-DC regulating circuit, and another output is connected with inverter circuit.
6. according to the described negative ion air-cleaner high-voltage DC power supply of any one in 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. according to the described negative ion air-cleaner high-voltage DC power supply of any one in claim 1～3, it is characterized in that: it also comprises accessory power supply, the input of accessory power supply is connected 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204194312U CN203326885U (en) | 2013-07-16 | 2013-07-16 | High-voltage direct-current power supply of negative ion air purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204194312U CN203326885U (en) | 2013-07-16 | 2013-07-16 | High-voltage direct-current power supply of negative ion air purifier |
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| CN203326885U true CN203326885U (en) | 2013-12-04 |
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| CN2013204194312U Expired - Fee Related CN203326885U (en) | 2013-07-16 | 2013-07-16 | High-voltage direct-current power supply of negative ion air purifier |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368398A (en) * | 2013-07-16 | 2013-10-23 | 四川省迪特尔电子有限公司 | Negative ion air cleaner high-voltage direct current power supply |
| CN104617778A (en) * | 2015-02-10 | 2015-05-13 | 兰州空间技术物理研究所 | Low-current output high-voltage power supply circuit wide in input voltage range and high in load regulation rate |
| CN104868365A (en) * | 2015-05-29 | 2015-08-26 | 西安科技大学 | Digital negative ion generator and control method thereof |
| CN105634304A (en) * | 2016-03-25 | 2016-06-01 | 苏州华电电气股份有限公司 | Intelligent direct-current high-stability high-voltage generator |
| CN106936317A (en) * | 2017-03-16 | 2017-07-07 | 西安电子科技大学 | The adjustable lightweight electrostatic high-pressure generator of one kind output |
| CN108736746A (en) * | 2017-07-27 | 2018-11-02 | 永春新盛环保科技有限公司 | A kind of method of negative feedback air negative ion purifying |
| CN108808453A (en) * | 2017-08-03 | 2018-11-13 | 高群 | Tip-type anion generator |
| CN109687733A (en) * | 2017-10-19 | 2019-04-26 | 江苏扬航光电科技有限公司 | A kind of power supply unit for making alternating current be transformed into direct current |
-
2013
- 2013-07-16 CN CN2013204194312U patent/CN203326885U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103368398A (en) * | 2013-07-16 | 2013-10-23 | 四川省迪特尔电子有限公司 | Negative ion air cleaner high-voltage direct current power supply |
| CN104617778A (en) * | 2015-02-10 | 2015-05-13 | 兰州空间技术物理研究所 | Low-current output high-voltage power supply circuit wide in input voltage range and high in load regulation rate |
| CN104868365A (en) * | 2015-05-29 | 2015-08-26 | 西安科技大学 | Digital negative ion generator and control method thereof |
| CN104868365B (en) * | 2015-05-29 | 2016-02-03 | 西安科技大学 | A kind of digitlization anion generator |
| CN105634304A (en) * | 2016-03-25 | 2016-06-01 | 苏州华电电气股份有限公司 | Intelligent direct-current high-stability high-voltage generator |
| CN106936317A (en) * | 2017-03-16 | 2017-07-07 | 西安电子科技大学 | The adjustable lightweight electrostatic high-pressure generator of one kind output |
| CN108736746A (en) * | 2017-07-27 | 2018-11-02 | 永春新盛环保科技有限公司 | A kind of method of negative feedback air negative ion purifying |
| CN108808453A (en) * | 2017-08-03 | 2018-11-13 | 高群 | Tip-type anion generator |
| CN109687733A (en) * | 2017-10-19 | 2019-04-26 | 江苏扬航光电科技有限公司 | A kind of power supply unit for making alternating current be transformed into direct current |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20160716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |