CN203632555U - High frequency high voltage low temperature plasmatron - Google Patents
High frequency high voltage low temperature plasmatron Download PDFInfo
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- CN203632555U CN203632555U CN201320799448.5U CN201320799448U CN203632555U CN 203632555 U CN203632555 U CN 203632555U CN 201320799448 U CN201320799448 U CN 201320799448U CN 203632555 U CN203632555 U CN 203632555U
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Abstract
The utility model discloses a high frequency high voltage low temperature plasmatron comprising a power frequency rectifier filter circuit, a DC chopper circuit, a high frequency inversion circuit, a filter circuit, a high frequency boost circuit, and a control circuit; an isolation drive circuit is also arranged between the control circuit and a main circuit; an inversion control circuit is positioned on a left lower side; an isolation transformer is positioned on an upper left side of the inversion control circuit; a high frequency boost transformer is positioned on a right side of the low temperature plasmatron; the rectifier filter circuit is positioned on an upper right side of the inversion control circuit, thereby reducing influences to the control circuit by interferences; the DC chopper circuit is connected between the rectifier filter circuit and the high frequency inversion circuit and used for obtaining stable and adjustable DC power supply starting from zero. The control circuit comprises an over-current protection circuit and an over-voltage protection circuit; a DIP switch is used for selecting work modes, thereby providing over-voltage and over-current protection for the power supply.
Description
Technical field
The utility model belongs to environmental technology field, particularly a kind of high-frequency and high-voltage low-temperature plasma generator.
Background technology
Low-temperature plasma is material the 4th state after solid-state, liquid, gaseous state, and in the time that applied voltage reaches the discharge voltage of gas, gas is breakdown, produces the mixture including electronics, various ion, atom and free radical.In this individual system, because total positive and negative charge number equates, although electron energy is very high in discharge process, heavy particle energy is very low, and whole system presents low-temperature condition, so be called low temperature plasma.In recent years, low-temperature plasma, at many industrial circles, is particularly having important application aspect exhaust emission purification.High-frequency and high-voltage low-temperature plasma generator is as the critical component of low-temperature plasma equipment, its performance affects the effect of low-temperature plasma waste gas purifying to a great extent, traditional plasma generator because of its volume and weight all larger, and reliability is lower, can not meet the requirement of practical application.
Summary of the invention
The purpose of this utility model is to provide that a kind of reliable, high accuracy, volume are little, lightweight, simple, the high-frequency and high-voltage low-temperature plasma generator of economy, low cost, low energy consumption, low electromagnetic pollution, is satisfied with the needs of low temperature plasma equipment.
The technical solution of the utility model is, a kind of high-frequency and high-voltage low-temperature plasma generator, comprise industrial frequency rectifying filter circuit, DC chopper circuit, high-frequency inverter circuit, filter circuit and high frequency booster circuit and control circuit composition, between described control circuit and main circuit, also comprise isolated drive circuit, wherein
Inverter control circuit is positioned at below, left side, isolating transformer is positioned at the left side, top of inverter control circuit, high-frequency step-up transformer is positioned at the right side of described low-temperature plasma generator, current rectifying and wave filtering circuit is positioned at the right side, top of described inverter control circuit, to reduce the impact of disturbing control circuit.
Between described current rectifying and wave filtering circuit and high-frequency inverter circuit, be also connected with DC chopper circuit and stablize the adjustable DC power supply since 0 volt in order to obtain.
In described control circuit, comprise current foldback circuit and overvoltage crowbar, can select mode of operation by DIP switch, power supply is carried out to overvoltage and overcurrent protection.
On described high-frequency step-up transformer, temperature control element is installed, has controlled the radiator fan operation on shell, and temperature alarming protection is provided.
Potentiometer knob and DIP selector switch are provided in described control circuit, can free adjustment electric voltage frequency and selection protected mode.
In described high frequency booster circuit, adopt the mode of two high-frequency step-up transformers, two symmetrical installations of high-frequency step-up transformer, had both improved voltage, the electric current adjustable range of exportable direct current, even again heat-sinking capability.
In described main circuit, open the connection of high-frequency step-up transformer, can change as required the voltage and current of the series and parallel structural adjustment output of high-frequency step-up transformer.
High-frequency and high-voltage low-temperature plasma generator of the present utility model, adopts high frequency and the pulse-width modulation waveform improvement technology of high voltage inverting power source that the performance of high-frequency and high-voltage low-temperature plasma generator is significantly improved, and volume reduces at double.Described control circuit power supply and main circuit power are isolated by isolating transformer, have avoided interfering with each other, and improve control precision.After described rectification circuit and inverter circuit, increase respectively filter circuit, made power supply output more stable.Described rectification circuit obtains the adjustable DC power supply from 0-30kv after connecting filtering DC chopper circuit.By temperature-measuring element control radiator fan, effectively prevent that power supply is overheated.Provide manual adjustments knob, conveniently adjusted output voltage.In described control circuit, increased protective circuit, electric field body, in the time of short circuit or electric discharge, is protected short circuit, arcing, overcurrent, overvoltage, excess temperature etc., and fault alarm output is provided.Described high-frequency and high-voltage low-temperature plasma generator has increased communication function, the multiple communication modes such as RS485, Ethernet, PROFIBUS DP, PROFINET are provided, can with processor, computer communication, monitor in real time the running status of high-frequency and high-voltage plasma electric source apparatus.
Accompanying drawing explanation
Fig. 1 is the cut-away view of the utility model high-frequency and high-voltage low-temperature plasma generator.
Fig. 2 is the pwm circuit schematic diagram that the utility model relates to.
Wherein, 1---power supply input, 2---isolating transformer, 3---current rectifying and wave filtering circuit, 4---inverter control circuit, 5---high-frequency step-up transformer, 6---operating state output, 9---DIP switch, 10---power supply indicator, 11---malfunction indicator lamp, 12---communication module interface.
Embodiment
As shown in Figure 1, the utility model input power by input terminal 1, enter isolating transformer 2, be divided into two-way, a road is to current rectifying and wave filtering circuit 3, another road is to control circuit 4.Power supply, after rectifying and wave-filtering, enters inverter circuit 4 and is converted to required voltage and frequency, and tremendously high frequency step-up transformer 5 after filtering boosts to the output voltage needing.
Wherein inverter control circuit 4 is as core, use PWM technology: by the pulse width modulation (PWM) of switching device, adjust the size of output fundamental voltage, the order that increases the minimum subharmonic in output voltage also reduces its harmonic wave numerical value, reaches its output fundamental voltage of regulation and control and improve again the object of output voltage waveforms simultaneously.Voltage is resolved into a lot of pulses, the width of control impuls and the interpulse amplitude that just can control output voltage interval time when frequency modulation.
(1) there is short-circuit protection function;
(2) there is overload protection function;
(3) there is overheat protector function;
(4) there is automatic anti-flaming function;
(5) there is moisture-proof function;
(6) there is auto restore facility;
(7) there is voltage-regulation function;
(8) there is frequency regulation function;
(9) there is work state display function;
(10) there is system failure alarm indication and warning output function;
(11) there is communication function.
(12) there is working method function is set.
Claims (7)
1. a high-frequency and high-voltage low-temperature plasma generator, comprise industrial frequency rectifying filter circuit, DC chopper circuit, high-frequency inverter circuit, filter circuit and high frequency booster circuit and control circuit composition, it is characterized in that, between described control circuit and main circuit, also comprise isolated drive circuit, wherein
Inverter control circuit is positioned at below, left side, isolating transformer is positioned at the left side, top of inverter control circuit, high-frequency step-up transformer is positioned at the right side of described low-temperature plasma generator, current rectifying and wave filtering circuit is positioned at the right side, top of described inverter control circuit, to reduce the impact of disturbing control circuit.
2. high-frequency and high-voltage low-temperature plasma generator according to claim 1, is characterized in that, is also connected with DC chopper circuit and stablizes the adjustable DC power supply since 0 volt in order to obtain between described current rectifying and wave filtering circuit and high-frequency inverter circuit.
3. high-frequency and high-voltage low-temperature plasma generator according to claim 1; it is characterized in that; in described control circuit, comprise current foldback circuit and overvoltage crowbar, can select mode of operation by DIP switch, power supply is carried out to overvoltage and overcurrent protection.
4. high-frequency and high-voltage low-temperature plasma generator according to claim 1, is characterized in that, on described high-frequency step-up transformer, temperature control element has been installed, and controls the radiator fan operation on shell, and temperature alarming protection is provided.
5. high-frequency and high-voltage low-temperature plasma generator according to claim 1, is characterized in that, potentiometer knob and DIP selector switch are provided in described control circuit, can free adjustment electric voltage frequency and selection protected mode.
6. high-frequency and high-voltage low-temperature plasma generator according to claim 1, it is characterized in that, in described high frequency booster circuit, adopt the mode of two high-frequency step-up transformers, two symmetrical installations of high-frequency step-up transformer, both voltage, the electric current adjustable range of exportable direct current had been improved, even again heat-sinking capability.
7. high-frequency and high-voltage low-temperature plasma generator according to claim 1, it is characterized in that, in described main circuit, open the connection of high-frequency step-up transformer, can change as required the voltage and current of the series and parallel structural adjustment output of high-frequency step-up transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799448.5U CN203632555U (en) | 2013-12-06 | 2013-12-06 | High frequency high voltage low temperature plasmatron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320799448.5U CN203632555U (en) | 2013-12-06 | 2013-12-06 | High frequency high voltage low temperature plasmatron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203632555U true CN203632555U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320799448.5U Expired - Fee Related CN203632555U (en) | 2013-12-06 | 2013-12-06 | High frequency high voltage low temperature plasmatron |
Country Status (1)
| Country | Link |
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| CN (1) | CN203632555U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515343A (en) * | 2016-01-22 | 2016-04-20 | 中科新天地（合肥）环保科技有限公司 | Low-temperature plasma discharge power supply device |
| CN108448912A (en) * | 2018-01-30 | 2018-08-24 | 安徽省金屹电源科技有限公司 | A kind of air-cooled high-frequency and high-voltage power supply |
| CN108449857A (en) * | 2018-01-30 | 2018-08-24 | 安徽省金屹电源科技有限公司 | A kind of exchange aura power supply for vacuum plasma generator |
-
2013
- 2013-12-06 CN CN201320799448.5U patent/CN203632555U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515343A (en) * | 2016-01-22 | 2016-04-20 | 中科新天地（合肥）环保科技有限公司 | Low-temperature plasma discharge power supply device |
| CN108448912A (en) * | 2018-01-30 | 2018-08-24 | 安徽省金屹电源科技有限公司 | A kind of air-cooled high-frequency and high-voltage power supply |
| CN108449857A (en) * | 2018-01-30 | 2018-08-24 | 安徽省金屹电源科技有限公司 | A kind of exchange aura power supply for vacuum plasma generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20201206 |