CN102185516A - High-voltage static generator - Google Patents
High-voltage static generator Download PDFInfo
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- CN102185516A CN102185516A CN2011101250246A CN201110125024A CN102185516A CN 102185516 A CN102185516 A CN 102185516A CN 2011101250246 A CN2011101250246 A CN 2011101250246A CN 201110125024 A CN201110125024 A CN 201110125024A CN 102185516 A CN102185516 A CN 102185516A
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Abstract
The invention relates to a high-voltage static generator, comprising a high-frequency impulse generating circuit, a primary boosted circuit with multiple stages and a load autocompensation and overcurrent protection circuit, wherein the primary boosted circuit with multiple stages comprises a load current-voltage sampling circuit. The high-frequency impulse generating circuit is utilized to transform mains supply to a high-frequency impulse power source and the primary boosted circuit with multiple stages is used for transforming the high-frequency impulse power source to a DC (direct-current) high voltage static power supply which loads can be accessed for the purposes of supplying the power; the volume of components is reduced greatly, thus decreasing consumption of copper materials, insulating oil and other resources; the load autocompensation and overcurrent protection circuit is used for performing automatic high voltage compensation when a load current is changed suddenly, and detecting the load current and comparing the load current with a preset value by an operational amplifier; and if the load current exceeds the preset value, the high voltage is cut off immediately and an alarm is given out. The high-voltage static generator can realize the automatic protection of the overcurrent and greatly intensifies safety performance of a device.
Description
Technical field
The present invention relates to a kind of electrostatic generator, particularly a kind of HV generator.
Background technology
At present, HV generator is widely used in aspects such as electrostatic spraying, electrostatic spinning, electrostatic precipitation, water-oil separating, anion generation, test instrumentation, but present widely used traditional HV generator all adopts power frequency to boost and the mode of voltage multiplying rectifier provides high direct voltage static power supply for load.The shortcoming of this kind mode is: the volume of components and parts is bigger, and the High-Voltage Insulation difficulty is big, causes the consumption of copper material, insulation wet goods resource big, and energy consumption height, relative power output are little, and do not have the automatic protection functions of opening circuit, and easily cause the damage of generator.
Summary of the invention
It is little and have a HV generator of automatic compensation and defencive function that the technical problem to be solved in the present invention provides a kind of volume.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of HV generator, be included as load the civil power in starting voltage source is provided, its innovative point is also to comprise: high-frequency impulse generation circuit is used for converting civil power to the high-frequency impulse power power-supply; A multistage booster circuit is used for converting the high-frequency impulse power power-supply to insert load high direct voltage static power supply; Load is compensation and current foldback circuit automatically, is used for that high pressure when load current suddenly change compensates automatically and the automatic protection during the load overcurrent; A described multistage booster circuit also comprises the load current voltage sample circuit; described load automatically compensation and current foldback circuit is accepted behind the signal of load current voltage sample circuit to change by the high-frequency impulse power power-supply that operational amplifier is handled the output of back control high-frequency impulse generation circuit and is realized that high pressure compensates automatically, and by the relatively automatic protection during the high-frequency impulse power power-supply break-make realization load overcurrent of back control high-frequency impulse generation circuit output of another operational amplifier and safe current voltage setting value.
The invention has the advantages that: utilize high-frequency impulse generation circuit to convert civil power to the high-frequency impulse power power-supply, and convert the high-frequency impulse power power-supply to can insert load high direct voltage static power supply by a multistage booster circuit and realize power supply, the volume of components and parts reduces greatly, reduced the consumption of copper material, insulation wet goods resource, the high pressure when load compensates automatically and current foldback circuit suddenlys change to load current on the one hand compensates automatically; Compare to the detection of load current and with preset value by operational amplifier on the other hand,, reach the overcurrent purpose of protection automatically, strengthened device ' greatly in case exceed cutoff high and warning immediately.
Description of drawings
Fig. 1 is the circuit block diagram of HV generator of the present invention.
Fig. 2 is the circuit theory diagrams of HV generator of the present invention.
Embodiment
Fig. 1 is the circuit block diagram of HV generator of the present invention; this HV generator by high-frequency impulse generation circuit 1, a multistage booster circuit 2, load compensates automatically and current foldback circuit 3 constitutes; high-frequency impulse generation circuit 1 will convert the high-frequency impulse power power-supply to the high direct voltage static power supply that inserts load 4 by a multistage booster circuit 2 for after load 4 provides the civil power 5 in starting voltage source to convert the high-frequency impulse power power-supply to.
A multistage booster circuit 2 also comprises the load current voltage sample circuit; the high-frequency impulse power power-supply that automatic compensation of load and current foldback circuit 3 are accepted to export by operational amplifier processing back control high-frequency impulse generation circuit 1 behind the signal of load current voltage sample circuit changes; realize that high pressure compensates automatically, and the automatic protection when relatively control high-frequency impulse in back high-frequency impulse power power-supply break-make that electricity 1 exports takes place is realized load 4 overcurrents by another operational amplifier and safe current set point.
Fig. 2 is the circuit theory diagrams of HV generator.
High-frequency impulse generation circuit 1 by bridge rectifier and relevant IC circuit civil power (220VAC/50HZ) is converted to and voltage stabilizing is+5V+12V ,+B-source.Wherein :+5V power supply is used for the digital display circuit of " high pressure/load current "; + 12V and+B-source is used for the generation and the driving of high-frequency impulse, forms output pulses; + 12V is used for automatic compensation control circuit again.The generation of high-frequency impulse is formed the auto-excitation type pulse oscillation circuit by 555 integrated circuits and peripheral RC, and by forming output pulses by peripheral circuits such as triode Q201, transformer T1, triode Q202, inductive circuit L.
Concrete: compositions+5V such as transformer TR1, diode D101～D108, capacitor C 101～C112, integrated stable voltage circuit U101～102, triode Q101～Q102, voltage-stabiliser tube DW, variable resistor VR101D ,+12V ,+the B stabilized voltage power supply is used for powering to high-frequency impulse generation circuit 1, in addition, can regulate by+B-source right again by circuit such as triode Q104, resistance R 107.
Resistance R 201～202, diode D201, integrated stable voltage circuit U201, capacitor C 201～202 etc. are formed the auto-excitation type pulse oscillation circuit, can change duty of ratio and pulse period by change resistance R 201, resistance R 202, capacitor C 201, it is 1: 2 that this circuit is chosen duty ratio (pulsewidth and interval), cycle is 50 μ S, the indication of LED double as oscillatory regime.
The pulsed drive formation rate pulse that circuit such as R204～R210, C204～C208, D202～D203, triode Q201～Q202, transformer T1, inductive circuit L come prime.
A multistage booster circuit 2 once boosts to the required high-voltage value of electrostatic generator by changing high frequency high voltage transformer (FBT) together with the high frequency power pulse that high-frequency impulse generation circuit 1 produces; and by high-voltage capacitance C403 filtering; load current voltage sample circuit by resistance R 401～R404 and capacitor C 401～C402 form is used for digital display meter demonstration and automatic compensation of input load and current foldback circuit 3 with the voltage/current of taking a sample.
Load compensates automatically and current foldback circuit 3 is accepted the voltage/current signals of the detected sampling of load current voltage sample circuit by operational amplifier U2A processing, and control+variation of B voltage the automatic compensation when reaching load variations by resistance R 107 and triode Q104; Pass through the comparator circuit that operational amplifier U2B and voltage-stabiliser tube DW1, resistance R 301, resistance R 305, capacitor C 303 etc. are formed on the other hand; the electric current and the safe current set point of sampling are compared; in case exceed the safe current voltage setting value; circuit is cut off in the warning that controlling resistance R306 and triode Q301, relay R Y1, buzzer SPEAKER constitute; reach the purpose of automatic protection, prevent components from being damaged.
Claims (1)
1. a HV generator is included as the civil power that load provides the starting voltage source, it is characterized in that also comprising:
High-frequency impulse generation circuit is used for converting civil power to the high-frequency impulse power power-supply;
A multistage booster circuit is used for converting the high-frequency impulse power power-supply to insert load high direct voltage static power supply;
Load is compensation and current foldback circuit automatically, is used for that high pressure when load current suddenly change compensates automatically and the automatic protection during the load overcurrent;
A described multistage booster circuit also comprises the load current voltage sample circuit; described load automatically compensation and current foldback circuit is accepted behind the signal of load current voltage sample circuit to change by the high-frequency impulse power power-supply that operational amplifier is handled the output of back control high-frequency impulse generation circuit and is realized that high pressure compensates automatically, and by the relatively automatic protection during the high-frequency impulse power power-supply break-make realization load overcurrent of back control high-frequency impulse generation circuit output of another operational amplifier and safe current set point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101250246A CN102185516A (en) | 2011-05-16 | 2011-05-16 | High-voltage static generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101250246A CN102185516A (en) | 2011-05-16 | 2011-05-16 | High-voltage static generator |
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| CN102185516A true CN102185516A (en) | 2011-09-14 |
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| CN2011101250246A Pending CN102185516A (en) | 2011-05-16 | 2011-05-16 | High-voltage static generator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624256A (en) * | 2012-04-16 | 2012-08-01 | 南京化工职业技术学院 | High voltage static generator |
| CN102866343A (en) * | 2012-10-19 | 2013-01-09 | 南通皋鑫电子股份有限公司 | Forward overload test device |
| CN103123379A (en) * | 2012-10-23 | 2013-05-29 | 南通皋鑫电子股份有限公司 | High-voltage discharging tester |
| CN106655084A (en) * | 2016-10-25 | 2017-05-10 | 上海联影医疗科技有限公司 | High-voltage generator ignition protection device and method |
| CN107515334A (en) * | 2016-06-15 | 2017-12-26 | 上海索莘电子有限公司 | A kind of static discharge high frequency magnetic field interferance generator |
| CN111420806A (en) * | 2019-08-06 | 2020-07-17 | 王波 | Quick protection system of electrostatic precipitator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2495061Y (en) * | 2001-09-25 | 2002-06-12 | 上海申榕环保设备有限公司 | High-voltage electric power for electrostatic fumes purifier |
| CN2628147Y (en) * | 2003-04-18 | 2004-07-28 | 重庆爱绿工贸有限公司 | High-voltage power source for electrostatic cooking fumes purifier |
| CN201493202U (en) * | 2009-04-29 | 2010-06-02 | 四川长虹电器股份有限公司 | High-voltage electrostatic generating device |
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2011
- 2011-05-16 CN CN2011101250246A patent/CN102185516A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2495061Y (en) * | 2001-09-25 | 2002-06-12 | 上海申榕环保设备有限公司 | High-voltage electric power for electrostatic fumes purifier |
| CN2628147Y (en) * | 2003-04-18 | 2004-07-28 | 重庆爱绿工贸有限公司 | High-voltage power source for electrostatic cooking fumes purifier |
| CN201493202U (en) * | 2009-04-29 | 2010-06-02 | 四川长虹电器股份有限公司 | High-voltage electrostatic generating device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102624256A (en) * | 2012-04-16 | 2012-08-01 | 南京化工职业技术学院 | High voltage static generator |
| CN102866343A (en) * | 2012-10-19 | 2013-01-09 | 南通皋鑫电子股份有限公司 | Forward overload test device |
| CN102866343B (en) * | 2012-10-19 | 2015-06-10 | 南通皋鑫电子股份有限公司 | Forward overload test device |
| CN103123379A (en) * | 2012-10-23 | 2013-05-29 | 南通皋鑫电子股份有限公司 | High-voltage discharging tester |
| CN103123379B (en) * | 2012-10-23 | 2015-09-23 | 南通皋鑫电子股份有限公司 | A kind of high voltage spark test instrument |
| CN107515334A (en) * | 2016-06-15 | 2017-12-26 | 上海索莘电子有限公司 | A kind of static discharge high frequency magnetic field interferance generator |
| CN106655084A (en) * | 2016-10-25 | 2017-05-10 | 上海联影医疗科技有限公司 | High-voltage generator ignition protection device and method |
| CN111420806A (en) * | 2019-08-06 | 2020-07-17 | 王波 | Quick protection system of electrostatic precipitator |
| CN111420807A (en) * | 2019-08-06 | 2020-07-17 | 王波 | Control method of rapid protection system of electrostatic dust collector |
| CN111420806B (en) * | 2019-08-06 | 2022-08-26 | 苏州艾特隆精密科技有限公司 | Quick protection system of electrostatic precipitator |
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Application publication date: 20110914 |