CN202652090U - High-voltage electrostatic generator - Google Patents
High-voltage electrostatic generator Download PDFInfo
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- CN202652090U CN202652090U CN 201220157016 CN201220157016U CN202652090U CN 202652090 U CN202652090 U CN 202652090U CN 201220157016 CN201220157016 CN 201220157016 CN 201220157016 U CN201220157016 U CN 201220157016U CN 202652090 U CN202652090 U CN 202652090U
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Abstract
The utility model discloses a high-voltage electrostatic generator, which is characterized by comprising a power control circuit, a rectifying and voltage stabilizing circuit, a high-frequency conversion circuit, a boost rectifying circuit, an overload alarm protection circuit and an output measurer. A 220V alternating-current electric supply is converted to a high-frequency pulsed power supply via the power control circuit, the rectifying and voltage stabilizing circuit and the high-frequency conversion circuit. The high-frequency pulsed power supply is converted, via the boost rectifying circuit, to the direct-current high-voltage static electricity which is outputted to a load. The high-voltage electrostatic generator of the utility model has the characteristics of simple and clear circuit, continuous adjustable voltage, automatic overload protection and alarm, safe and reliable utilization, etc., and is suitable for electrostatic spraying, electrostatic seed treatment, electrostatic flocking and the like.
Description
Technical field
The utility model relates to a kind of HV generator, belongs to dc high voltage generation instrument.
Background technology
HV generator is widely used in Seed Treatment, spraying and dedusting etc.The HV generator that uses now, power stage is less, and protective circuit complexity and easy break-down have affected reliability and the useful life of instrument, also make troubles to maintenance.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of and has that circuit is simple, working service is convenient, stable performance, has voltage and can be in harmonious proportion continuously the HV generator of overload-alarm and defencive function.
For achieving the above object, the utility model is realized by following technical scheme:
HV generator is characterized in that, comprises power control circuit, regulator rectifier circuit, high-frequency conversion circuit, boost rectifying circuit, output measurement and overload-alarm protective circuit.Described power control circuit comprises switch, power supply indicator and protective tube, is used for break-make and the short-circuit protection of control power supply, and described power control circuit is connected with described regulator rectifier circuit; Described regulator rectifier circuit, comprise transformer, bridge rectifier, capacitor filter, voltage stabilizing circuit and output voltage regulation circuit, be used for the 220V electric main is converted to stable adjustable direct voltage output, described regulator rectifier circuit is connected with described high-frequency conversion circuit; Described high-frequency conversion circuit, the output of its input and regulator rectifier circuit is connected, be used for DC power supply is converted to the output of high-frequency impulse power power-supply, described high-frequency conversion circuit be connected the boost rectifying circuit connection; Described boost rectifying circuit comprises multiple tube, transformer and cockcroft-walton voltage multiplier circuit, be used for that the high-frequency impulse power power-supply is converted to high direct voltage static and export to load, described boost rectifying circuit be connected output and measure and connect; Described output is measured, and comprises the digital voltmeter of measuring output voltage and the digital microammeter of sensing lead electric current, and described digital microammeter has out-of-limit output switching signal function, and described output measurement is connected with the overload-alarm protective circuit; Described overload-alarm protective circuit comprises overload-alarm and overload protection two parts, and when signal was out-of-limit, described overload protection was to cut off the power supply of high-frequency conversion circuit and provide alarm signal, reaches the overload protection purpose, thus equipment and personal security.Described overload-alarm protective circuit 5 be connected regulator rectifier circuit 2 and described high-frequency conversion circuit 3 and connect.
Preferably, described cockcroft-walton voltage multiplier is selected 2 to 9 grades as required.
The beneficial effects of the utility model are, owing to adopted multiple tube and multistage boost rectifying circuit, power output are improved, and its output voltage adjustable range is large simultaneously, and is adjustable continuously at 0-200KV; On the other hand, because the overload-alarm protection is to be set by the digital microammeter of sensing lead, provide protection and alarm signal by digital microammeter output contact, reach the protection purpose, make circuit simple, be convenient to maintenance.
Description of drawings
Fig. 1 is circuit block diagram of the present utility model
Fig. 2 is circuit theory diagrams of the present utility model
The main mark implication is as follows in the accompanying drawing:
1, power control circuit 2, regulator rectifier circuit 3, high-frequency conversion circuit
4, boost rectifying circuit 5, overload-alarm protective circuit 6, output are measured.
Embodiment
The utility model is described in further detail below in conjunction with diagram and specific embodiment.
Fig. 1 is the circuit block diagram of the utility model HV generator, comprises power control circuit 1, regulator rectifier circuit 2, high-frequency conversion circuit 3, boost rectifying circuit 4, overload-alarm protective circuit 5 and output measurement 6.Power control circuit 1 is input to regulator rectifier circuit 2 with the 220V electric main after switch control, power supply indication; Behind transformer pressure-reducing, bridge circuit rectification, capacitor filtering, pressurizer voltage stabilizing and output voltage regulation circuit, the sizable direct voltage of stable output is input to high-frequency conversion circuit 3 to regulator rectifier circuit 2 with the 220V electric main; High-frequency conversion circuit 3 is converted to the high-frequency impulse power power-supply with direct voltage behind high-frequency oscillating circuits, then be input to boost rectifying circuit 4; Boost rectifying circuit 4 is exported high direct voltage static to load with the high-frequency impulse power power-supply of input behind multiple tube, transformer and cockcroft-walton voltage multiplier circuit; Output measures 6, comprises that output voltage is measured and output current is measured, and provides out-of-limit switching signal simultaneously when output is out-of-limit and gives overload-alarm protective circuit 5; Overload-alarm protective circuit 5 is controlled by the out-of-limit guard signal switch of load current that ammeter sets, and control circuit provides and reports to the police and guard signal when out-of-limit, reaches the overload protection purpose.
Fig. 2 is the circuit theory diagrams of HV generator,
Described power control circuit 1 comprises K switch 1, resistance R 1, LED and protective tube RD.K switch 1 bipolar control switch wherein, the break-make of control power supply, particularly, the phase line L of 220V electric main is connected connection with protective tube RD respectively with resistance R, be attempted by phase line L and the ground wire N of 220V electric main power supply after resistance R 1 and the LED series connection, be used to indicate power supply and have or not, the other end of protective tube RD is connected an end of armature winding and is connected with transformer B1, and the ground wire N of 220V electric main power supply is connected the other end of armature winding and is connected with transformer B1.
Described regulator rectifier circuit 2, comprise transformer B1, bridge rectifier, pressurizer LM317,, filter capacitor C1, capacitor C 2, resistance R 2, resistance R 3, potentiometer RP and diode D10.Resistance R 2 wherein, resistance R 3, potentiometer RP form output voltage regulation circuit.Particularly; the secondary level winding of transformer B1 is connected with bridge rectifier; the both positive and negative polarity of filter capacitor C1 is connected respectively both positive and negative polarity and is connected with bridge rectifier; the minus earth of filter capacitor C1; the positive pole that 3 ends of pressurizer LM317 are connected with capacitor C connects; capacitor C 2 is attempted by 1 end and the ground of pressurizer LM317; resistance R 2; potentiometer RP and resistance R 3 are connected in series successively; form output voltage regulation circuit; be attempted by the output of pressurizer LM317; particularly; 2 ends that the end of the other end of resistance R 2 and overcurrent protection switch K2-2 is connected with pressurizer connect; the other end ground connection of resistance R 3; the sliding contact of potentiometer RP is connected 1 end and is connected with pressurizer LM317; the position of the sliding contact of regulator potentiometer RP is the output voltage of capable of regulating generator, and the positive pole of diode D10 is connected 2 ends and is connected with pressurizer LM317, and the negative pole of diode D10 is connected 3 ends and is connected with pressurizer LM317.
Described high-frequency conversion circuit 3 comprises 555 integrated packages, resistance R 4, adjustable resistance R5, resistance R 6, capacitor C 3 and capacitor C 4.Particularly; resistance R 4 is attempted by 8 ends of 555 integrated packages and 7 ends of 555 integrated packages; adjustable resistance R5 is attempted by 7 ends of 555 integrated packages and 2 ends of 555 integrated packages; regulate the size of adjustable resistance R5 and can regulate frequency of oscillation; capacitor C 3 is attempted by 2 ends and the ground of 555 integrated packages; 2 ends of 555 integrated packages with are connected 6 ends of integrated package and connect; 8 ends of 555 integrated packages are connected end connection with being connected with overcurrent protection switch K2-2 after 4 of integrated package connects; capacitor C 4 is attempted by 5 ends and the ground of 555 integrated packages; resistance R 6 one ends with are connected 3 ends of integrated package and connect, the other end of resistance R 6 is connected base stage and is connected output as high-frequency conversion circuit 3 with triode T1.
Described boost rectifying circuit 4, comprise triode T1 and T2, transformer B2, diode D1, D2, D3, D4, D5, D6, D7, D8, D9 and capacitor C 5, C6, C7, C8, C9, C10, C11, C12, C13, consist of cockcroft-walton voltage multiplier, triode T1 and triode T2 consist of multiple tube.Particularly, the emitter of triode T1 is connected base stage and is connected with triode T2, the collector electrode of triode T1 is connected collector electrode and is connected with triode T2, the grounded emitter of triode T2, one end of the armature winding of transformer B2 with are connected 8 ends of integrated package and connect, the other end of the armature winding of transformer B2 is connected collector electrode and is connected with triode T1, secondary level winding one end of transformer B2 is connected negative pole and is connected with diode D1, the secondary level winding other end ground connection of transformer B2, the positive pole of diode D1 is connected negative pole and is connected with diode D2, one end of capacitor C 5 is connected positive pole and is connected with diode D1, the other end be connected microammeter and connect, capacitor C 6 is attempted by the negative pole of diode D1 and the positive pole of diode D2, the positive pole of diode D2 is connected negative pole and is connected with diode D3, capacitor C 7 is attempted by the negative pole of diode D2 and the positive pole of diode D3, the positive pole of diode D3 is connected negative pole and is connected with diode D4, capacitor C 8 is attempted by the negative pole of diode D3 and the positive pole of diode D4, the positive pole of diode D4 is connected negative pole and is connected with diode D5, capacitor C 9 is attempted by the negative pole of diode D4 and the positive pole of diode D5, the positive pole of diode D5 is connected negative pole and is connected with diode D6, capacitor C 10 is attempted by the negative pole of diode D5 and the positive pole of diode D6, the positive pole of diode D6 is connected negative pole and is connected with diode D7, capacitor C 11 is attempted by the negative pole of diode D6 and the positive pole of diode D7, the positive pole of diode D7 is connected negative pole and is connected with diode D8, capacitor C 12 is attempted by the negative pole of diode D7 and the positive pole of diode D8, the positive pole of diode D8 is connected negative pole and is connected with diode D9, capacitor C 13 is attempted by the negative pole of diode D8 and the positive pole of diode D9, and the positive pole of diode D9 is as the positive pole of generator output voltage.Output voltage 0-200KV is adjustable continuously.
Described output measures 6, comprises digital microammeter 7, digital voltmeter 8 and resistance R 7.Resistance R 7 is dropping resistor, and resistance R 7 is attempted by the positive pole of diode D9 and the positive terminal of digital voltmeter 8, the negative pole end ground connection of digital voltmeter 8, and the positive pole that comprises digital microammeter 7 is connected connection with capacitor C, the minus earth of digital microammeter 7.Numeral microammeter 7 also has the function of out-of-limit output switching signal except showing load current, out-of-limit switching signal is delivered to overload-alarm protective circuit 5.
Described overload-alarm protective circuit 5 comprises normal open switch K2-1, normally closed switch K2-2 and signal lamp XD.Normal open switch K2-1 one end is connected secondary level winding and is connected with transformer B1, the other end of normal open switch K2-1 is connected an end and is connected with signal lamp XD, the other end ground connection of signal lamp XD, the end of normally closed switch K2-2 is connected 2 ends and is connected with regulator block LM317, the other end of K switch 2-2 with are connected 8 ends of integrated package and connect.When output current was out-of-limit, normal open switch K2-1 was closed, and signal lamp XD is bright, and normally closed switch K2-2 disconnects simultaneously, cut off the power supply of high-frequency conversion circuit 3, thereby played the effect of overload-alarm and protection.
The above carries out exemplary description to utility model by reference to the accompanying drawings; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as the non-substantial improvement of having adopted method design of the present utility model and technical scheme to carry out; perhaps without improving method design of the present utility model and technical scheme are applied directly to other occasions, all within protection range of the present utility model.
Claims (6)
1. a HV generator is characterized in that: comprise the control circuit (1) that the 220V electric main of sending into is controlled; the regulator rectifier circuit (2) that is connected with described control circuit (1) output; the high-frequency conversion circuit (3) that is connected with described regulator rectifier circuit (2) output; the boost rectifying circuit (4) that is connected with described high-frequency conversion circuit (3) output; measure (6) with the output that described boost rectifying circuit (4) output is connected; measure the overload-alarm protective circuit (5) that (6) are connected with described output.
2. HV generator according to claim 1 is characterized in that: the output of described regulator rectifier circuit (2), resistance R 2, potentiometer RP and resistance R 3 serial connections are attempted by 2 ends and the ground of pressurizer LM317.
3. HV generator according to claim 1 is characterized in that: described output is measured (6) and is comprised the digital voltmeter of measuring output voltage and the digital microammeter of sensing lead electric current.
4. HV generator according to claim 3, it is characterized in that: described digital microammeter has out-of-limit output switching signal function, and out-of-limit switching signal is delivered to overload-alarm protective circuit (5).
5. according to claim 1 or HV generator claimed in claim 4; it is characterized in that: described overload-alarm protective circuit (5); be attempted by the secondary level winding of transformer B1 after normal open switch K2-1 and the signal lamp XD series connection, normally closed switch K2-2 is connected on 2 ends and and 8 ends of 555 integrated packages of pressurizer LM317.
6. according to claim 1 or HV generator claimed in claim 4, it is characterized in that: described boost rectifying circuit (4), its input triode T1 and triode T2 consist of multiple tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220157016 CN202652090U (en) | 2012-04-16 | 2012-04-16 | High-voltage electrostatic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220157016 CN202652090U (en) | 2012-04-16 | 2012-04-16 | High-voltage electrostatic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202652090U true CN202652090U (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220157016 Expired - Fee Related CN202652090U (en) | 2012-04-16 | 2012-04-16 | High-voltage electrostatic generator |
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| Country | Link |
|---|---|
| CN (1) | CN202652090U (en) |
Cited By (1)
| 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 |
-
2012
- 2012-04-16 CN CN 201220157016 patent/CN202652090U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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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 |
Granted publication date: 20130102 Termination date: 20150416 |
|
| EXPY | Termination of patent right or utility model |