CN200962566Y - RF power used for low-temperature plasm peroxide hydrogen disinfection and sterilization device - Google Patents
RF power used for low-temperature plasm peroxide hydrogen disinfection and sterilization device Download PDFInfo
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- CN200962566Y CN200962566Y CN 200620046869 CN200620046869U CN200962566Y CN 200962566 Y CN200962566 Y CN 200962566Y CN 200620046869 CN200620046869 CN 200620046869 CN 200620046869 U CN200620046869 U CN 200620046869U CN 200962566 Y CN200962566 Y CN 200962566Y
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Abstract
A radio-frequency (RF) power used for cryogenic plasma hydrogen peroxide sterilization and disinfection equipment relates to the power technique field, aims to solve the power technical problems of complex manufacturing, high production cost, strong radiation and low energy efficiency. The power comprises a rectification, a filtering circuit, a PFC circuit, a junction filtering circuit, a contravariant circuit, a junction PFC circuit including a PWM contravariant unit and a RF output coupling unit, an output and sampling circuit, a junction contravariant circuit including an output current measuring unit, an emission output power measuring unit, a reflection power measuring unit and a computer detection controlling unit which connects respectively with a PFC direct-current unit, the PWM contravariant unit, the output current measuring unit, the emission output power measuring unit and the reflection power measuring unit, detects and controls the overall power. The utility model has the characteristic of simple structure, low production cost, low electromagnetic radiation and high power utilizing efficiency..
Description
Technical field
The utility model relates to the power technology of sterilizing equipment decontaminating apparatus, particularly relates to a kind of power technology that is used for low temperature plasma hydrogen peroxide disinfection sterilizing device.
Background technology
The power supply that is used for low temperature plasma hydrogen peroxide disinfection sterilizing device at present generally all is the high-frequency radio frequency power supply of 13.56MHz, this class power supply architecture complexity involves great expense, and utilization of power efficient is low, and easily produce harmful high frequency electromagnetic radiation, be unfavorable for the use of disinfection sterilizing device.
Summary of the invention
At the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model provides a kind of simple in structure, cost is lower, and high frequency electromagnetic radiation is low, the radio-frequency power supply that is used for low temperature plasma hydrogen peroxide disinfection sterilizing device that the utilization ratio of electric energy is high.
In order to solve the problems of the technologies described above, a kind of radio-frequency power supply that is used for low temperature plasma hydrogen peroxide disinfection sterilizing device provided by the utility model comprises:
One rectification circuit connects the mains electricity input end;
One EMC (electromagnetic compatibility) filter circuit connects rectification circuit;
It is characterized in that,
One PFC (Power Factor Correction power factor correction) circuit connects the EMC filter circuit, is used for power factor controlling, comprises control circuit unit;
One H bridge inverter circuit, connect pfc circuit, be used for inversion, comprise the direct current output unit, based on the H inversion unit and the triggering drive circuit unit that is connected described H inversion unit of the controlled output of PWM (Pulse Width Modulation pulse width modulation) modulation technique;
One output and sample circuit connects the H bridge inverter circuit, is used for output and sampling, comprises output signal detecting unit, transformer coupled unit, reflected signal detecting unit and sampling processing circuit unit;
Wherein, the sampling processing circuit unit connects output signal detecting unit, transformer coupled unit, reflected signal detecting unit respectively;
One COMPUTER DETECTION control circuit is used for the detection control to whole power supply, connects the triggering drive circuit unit of H bridge inverter circuit and the sampling processing circuit unit of output and sample circuit respectively.
Further, described output signal detecting unit comprises output current measurement links and emission output power measurement link.
Further, described reflected signal detecting unit comprises the reflection power measurement links.
Further, the output frequency of described power supply can be between 5KHz-100KHz.
Further, the output frequency of described power supply can be 50KHz.
The radio-frequency power supply that is used for low temperature plasma hydrogen peroxide disinfection sterilizing device that utilizes the utility model to provide owing to adopt PFC (power factor controlling) circuit, has improved the utilization ratio, less demanding to the operational environment input supply voltage of electric energy; Because adopt the H bridge inverter circuit of general PWM modulation technique, simple in structure, cost is lower; Because the output frequency of power supply between 5KHz-100KHz, reduces high frequency electromagnetic radiation; So the utlity model has simple in structurely, cost is lower, and high frequency electromagnetic radiation is low, and the utilization ratio height of electric energy, operational environment insert supply voltage and require low characteristics.
The accompanying drawing summary
Fig. 1 is the structural representation block diagram of the radio-frequency power supply of the utility model embodiment disinfection sterilizing device;
Fig. 2 is the circuit diagram of rectification in the radio-frequency power supply of the utility model embodiment, filtering, pfc circuit;
Fig. 3 is the circuit diagram of inversion in the utility model embodiment radio-frequency power supply, output and sample circuit.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model is described in further detail, but present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection range of the present utility model in.
Referring to Fig. 1, Fig. 2 and shown in Figure 3, a kind of radio-frequency power supply that is used for low temperature plasma hydrogen peroxide disinfection sterilizing device that the utility model embodiment is provided comprises:
One rectification circuit 1 connects the mains electricity input end;
One EMC filter circuit 2 connects rectification circuit;
One PFC (power factor controlling) circuit 3 connects the EMC filter circuit, is used for power factor controlling, comprises (power factor) control circuit unit;
One H bridge inverter circuit connects pfc circuit 3, is used for inversion, comprises direct current output unit 4, based on the H inversion unit 5 of the controlled output of PWM modulation technique and (Q3, Q4, Q5, Q6 field effect transistor) the triggering drive circuit unit that is connected described H inversion unit;
One output and sample circuit connects the H bridge inverter circuit, is used for output and sampling, comprises output signal detecting unit 6, transformer coupled unit 7, reflected signal detecting unit 8 and sampling processing circuit unit; Wherein, the sampling processing circuit unit connects output signal detecting unit 6, transformer coupled unit 7, reflected signal detecting unit 8 respectively; Output signal detecting unit 6 comprises output current measurement links and emission output power measurement link; Reflected signal detecting unit 8 comprises the reflection power measurement links
One COMPUTER DETECTION control circuit is used for the detection control to whole power supply, connects the triggering drive circuit unit of H bridge inverter circuit and the sampling processing circuit unit of output and sample circuit respectively;
The output frequency of disinfection sterilizing device power supply is 50KHz.In the utility model embodiment, the output frequency of disinfection sterilizing device power supply can be between 50KHz-100KHz.
XP3 among Fig. 2, XP4 are connected with XP5, XP6 among Fig. 2 respectively.
Each unit of the utility model embodiment and triggering drive circuit, sampling processing circuit (containing signal adjustment and driving, digital-to-analogue conversion and analog to digital conversion circuit), Microcomputer Detecting control circuit, electromagnetic interference suppression circuit and anti-emi protection circuit etc. are custom circuit of the prior art, the narration of omitting its operation principle.
The detection sample objects of Microcomputer Detecting control device (control output according to) is for the low temperature plasma hydrogen peroxide disinfection sterilizing device user key-press is imported, the emission power output of the residing state of equipment operation and this power supply, reflection power etc.; The Microcomputer Detecting control device comprises start and stop control and the protection control and the load impedance adjustment control etc. of power supply to the control output of this power supply.
Claims (5)
1, a kind of radio-frequency power supply that is used for low temperature plasma hydrogen peroxide disinfection sterilizing device comprises:
One rectification circuit connects input;
One EMC filter circuit connects rectification circuit;
It is characterized in that,
One pfc circuit connects the EMC filter circuit, is used for power factor controlling, comprises PFC direct current unit;
One H bridge inverter circuit connects pfc circuit, is used for inversion, comprises the direct current output unit, based on the H inversion unit and the triggering drive circuit unit that is connected described H inversion unit of the controlled output of PWM modulation technique;
One output and sample circuit connects the H bridge inverter circuit, is used for output and sampling, comprises output signal detecting unit, transformer coupled unit, reflected signal detecting unit and sampling processing circuit unit;
Wherein, the sampling processing circuit unit connects output signal detecting unit, transformer coupled unit, reflected signal detecting unit respectively; The output signal detecting unit comprises output current measurement links and emission output power measurement link; The reflected signal detecting unit comprises the reflection power measurement links;
One COMPUTER DETECTION control circuit is used for the detection control to whole power supply, connects the triggering drive circuit unit of H bridge inverter circuit and the sampling processing circuit unit of output and sample circuit respectively.
2, the radio-frequency power supply that is used for low temperature plasma hydrogen peroxide disinfection sterilizing device according to claim 1 is characterized in that, described output signal detecting unit comprises output current measurement links and emission output power measurement link.
3, the radio-frequency power supply that is used for low temperature plasma hydrogen peroxide disinfection sterilizing device according to claim 1 is characterized in that, described reflected signal detecting unit comprises the reflection power measurement links.
4, the radio-frequency power supply that is used for low temperature plasma hydrogen peroxide disinfection sterilizing device according to claim 1 is characterized in that, the output frequency of described power supply is between 5KHz-100KHz.
5, according to claim 1 or the 4 described radio-frequency power supplies that are used for low temperature plasma hydrogen peroxide disinfection sterilizing device, it is characterized in that the output frequency of described power supply is 50KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620046869 CN200962566Y (en) | 2006-10-17 | 2006-10-17 | RF power used for low-temperature plasm peroxide hydrogen disinfection and sterilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620046869 CN200962566Y (en) | 2006-10-17 | 2006-10-17 | RF power used for low-temperature plasm peroxide hydrogen disinfection and sterilization device |
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| Publication Number | Publication Date |
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| CN200962566Y true CN200962566Y (en) | 2007-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620046869 Expired - Lifetime CN200962566Y (en) | 2006-10-17 | 2006-10-17 | RF power used for low-temperature plasm peroxide hydrogen disinfection and sterilization device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008086676A1 (en) * | 2007-01-16 | 2008-07-24 | Sun, Jiansheng | A plasma power supply for a low-temperature plasma hydrogen peroxide disinfecting and sterilizing apparatus |
| CN102497115A (en) * | 2011-12-09 | 2012-06-13 | 桂林电子科技大学 | Control method of normal-pressure low-temperature plasma power supply and power supply device |
| CN110460246A (en) * | 2019-09-06 | 2019-11-15 | 深圳市百世达半导体设备有限公司 | A kind of radio-frequency power supply |
| CN116722751A (en) * | 2023-06-26 | 2023-09-08 | 中南大学 | Frequency selective type radio frequency power supply and flexible variable frequency control method |
-
2006
- 2006-10-17 CN CN 200620046869 patent/CN200962566Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008086676A1 (en) * | 2007-01-16 | 2008-07-24 | Sun, Jiansheng | A plasma power supply for a low-temperature plasma hydrogen peroxide disinfecting and sterilizing apparatus |
| CN102497115A (en) * | 2011-12-09 | 2012-06-13 | 桂林电子科技大学 | Control method of normal-pressure low-temperature plasma power supply and power supply device |
| CN102497115B (en) * | 2011-12-09 | 2014-01-01 | 桂林电子科技大学 | Normal-pressure low-temperature plasma power supply and power supply device |
| CN110460246A (en) * | 2019-09-06 | 2019-11-15 | 深圳市百世达半导体设备有限公司 | A kind of radio-frequency power supply |
| CN116722751A (en) * | 2023-06-26 | 2023-09-08 | 中南大学 | Frequency selective type radio frequency power supply and flexible variable frequency control method |
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| CX01 | Expiry of patent term |
Granted publication date: 20071017 |
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| EXPY | Termination of patent right or utility model |