CN1955106A - Power supply for ozone generator - Google Patents
Power supply for ozone generator Download PDFInfo
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- CN1955106A CN1955106A CN 200510100640 CN200510100640A CN1955106A CN 1955106 A CN1955106 A CN 1955106A CN 200510100640 CN200510100640 CN 200510100640 CN 200510100640 A CN200510100640 A CN 200510100640A CN 1955106 A CN1955106 A CN 1955106A
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- power supply
- ozone generating
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- pulse
- power
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Abstract
A power supply of ozone generator used for environmental protection, disinfecting, sterilizing, deodoring, or decoloring features that a solid-state power device is used to generate high-power pulse current, a transformer is used to obtain high-voltage pulses, and the high-voltage pulses is led into a discharge chamber to generate ozone gas.
Description
Technical field
The invention belongs to the improvement of the power supply in the ozone generating-device.
Background technology
Ozonizer is to utilize the silent discharge principle, by high voltage noiseless discharge being adopted, produces the device of industrial ozone gas in oxygen-containing gas.Ozone gas is a kind of strong oxidizer, can be used for sterilization.Along with the development of environmental engineering, use the field of ozone to enlarge, especially aspect decontamination, it can be used to processing drinking water, sanitary sewage and trade effluent are carried out harmless processing, water and gas are carried out the smelly decolouring processing of distiller's yeast, have the characteristics of the secondary pollution of not producing.
Ozone generating-device will not have the oil pressure oxygen-containing gas that contracts and will enter the discharge chamber of being made up of electrode and insulating medium layer after by drying treatment.External power boosts by exchange, introduces the discharge chamber electrode, carries out silent discharge, can produce the mixed gas that contains ozone gas and exports.
At present to supply with all be by power frequency (50Hz) power supply to the power supply of domestic this series products, boosts to more than 10 kilovolts through transformer, directly introduces discharge chamber and produce ozone gas.Its working current voltage waveform all is sinusoidal wave.Shortcoming is that power consumption is big, equipment heaviness, cost height, poor reliability.
The development of outer similar ozonizer power supply in recent years, for example United States Patent (USP) 4,016,060 Japanese Patent 58-1685,19 clothing Germany patents 3,02.7,112 all adopt pulsed mode, to improve the generation efficient of ozone, have obtained progress, yet they exist a deficiency, part is exactly the voltage build-up rate that is not conceived to improve the voltage that is added in discharger battery lead plate two ends, promptly on the dv/dt value.The voltage waveform listed of Japanese Patent 58-16 8 119 files for example, voltage build-up rate is lower, ozone gas is decomposed in the inevitable like this guiding discharge device working process increases, and causes heating, luminous, consequently influences the further raising of ozone generation efficiency.
Summary of the invention
Characteristics of the present invention are to make full use of the cooperation of element and line parameter circuit value, improve the dv/dt value (comprising+a dv/dt value and a dv/dt value) of discharge pulse voltage as far as possible, (promptly reduce O with the deionize process that reduces in the discharger
3Compound is O
2), reduce the formation efficiency that energy expenditure improves ozone.
Description of drawings
Specify below in conjunction with accompanying drawing
Fig. 1 is a fundamental diagram, and Fig. 2 is an oscillogram.Direct supply (1) can adopt fixed frequency mode of operation or adjustable frequency mode of operation, also can adopt intermittent pulse string mode of operation; It can be the unidirectional pulse formula, also positive and negative direction symmetric mode.Direct supply (1] supply with the current pulser of forming by the solid power device (2), produce triangular pulse current wave (6).Its ideal waveform be a bottom width narrower (T＞＞t) triangular wave, before electric current arrives and electric current a significantly sudden change is arranged between rising; Electric current is linear then rises, and sports linear decline again after reaching peak value, sports zero at last.The bottom width t of this current waveform can be from 1Us to 100Us between, repeat cycle T can be from 20Us to 10ms between.Such electric current is imported sensor transformer (3) (being called the trigger characteristic pulse transformer in Germany patent 3,217,565), according to V=L (dv/dt)
() principle wherein, V-voltage, L-loop inductance, i---loop current, transformer are come promptly high dv/dt voltage pulse ripple after can inducing the forward position along all very steep square wave pulse voltage (7).It is delivered in the discharger (4) carry out static discharge, then can produce ozone gas (5).
Embodiment
The ozonizer that single thyristor the is formed example of the pulse power as embodiment, as shown in Figure 3.Direct supply E by inductance (8] to electrical condenser (9) charging, at this moment thyristor (12) is in off state.The added voltage in element two ends is exactly the voltage on the electrical condenser.When tripping pulse source (14) acted on the gate pole of thyristor (12), element is conducting immediately.Electrical condenser forms the R-L-c discharge process by the former limit and the thyristor discharge of transformer (10), and up to current over-zero, electrical condenser is reversed charging.Thyristor is blocked reversal of current.So far one-period finishes, and repeats the initiation of charge process.When electric current when the former limit of transformer, transformer is paid the limit and is induced promptly that a high pressure is prominent hands over pulse, and is added on the battery lead plate of discharger, produces static discharge, the partial oxygen that pole plate is asked is converted into ozone.
The principle of work of this power supply is exactly to utilize the fast on state characteristic of thyristor, produces the current break pulse, and obtains the pulsed voltage of height (dv/dt), thereby produces ozone gas.Weak point is that pulsed current is not a choppy sea, poor linearity.If form the triangular pulse producer with power quartz crystal device circuit, will have better effect.
Claims (6)
1. the power supply of an ozone generating-device makes static discharge by the high-voltage that is added in discharger battery lead plate two ends, it is characterized in that this high-voltage be the high rate of voltage rise that produces by strong current pulse (+dv/dt) and rate of descent (dv/dt) formation.
2. the power supply of ozone generating-device according to claim 1, the bottom width t that it is characterized in that its current waveform is from 1US to 100US, and the repeat cycle, T was from 20Us to 10MS.
3. according to the power supply of claim 1 and 2 described ozone generating-devices, it is characterized in that its pulse is produced by the solid power device.
4 power supplys according to the described ozone generating-device of claim 1 to 3 is characterized in that adopting the adjustable frequency mode of operation.
5. according to the power supply of the described ozone generating-device of claim 1 to 5, it is characterized in that adopting the fixed frequency mode of operation.
6. according to the power supply of the described ozone generating-device of claim 1 to 3, it is characterized in that adopting the mode of operation of intermittent pulse string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510100640 CN1955106A (en) | 2005-10-25 | 2005-10-25 | Power supply for ozone generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510100640 CN1955106A (en) | 2005-10-25 | 2005-10-25 | Power supply for ozone generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1955106A true CN1955106A (en) | 2007-05-02 |
Family
ID=38062706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510100640 Pending CN1955106A (en) | 2005-10-25 | 2005-10-25 | Power supply for ozone generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1955106A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134060A (en) * | 2010-11-19 | 2011-07-27 | 南昌大学 | Pulsed streamer discharge ozone generator |
| CN105967148A (en) * | 2016-07-20 | 2016-09-28 | 北京金大万翔环保科技有限公司 | Container-type ozone generator |
-
2005
- 2005-10-25 CN CN 200510100640 patent/CN1955106A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134060A (en) * | 2010-11-19 | 2011-07-27 | 南昌大学 | Pulsed streamer discharge ozone generator |
| CN105967148A (en) * | 2016-07-20 | 2016-09-28 | 北京金大万翔环保科技有限公司 | Container-type ozone generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |