CN102255534A - Multi-polarity multi-output DC high voltage power supply - Google Patents
Multi-polarity multi-output DC high voltage power supply Download PDFInfo
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- CN102255534A CN102255534A CN2011101805095A CN201110180509A CN102255534A CN 102255534 A CN102255534 A CN 102255534A CN 2011101805095 A CN2011101805095 A CN 2011101805095A CN 201110180509 A CN201110180509 A CN 201110180509A CN 102255534 A CN102255534 A CN 102255534A
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Abstract
The invention discloses a multi-polarity multi-output DC high voltage power supply, which belongs to the technical field of high voltage electricity. The circuit of the power supply consists of a voltage regulator, a high voltage transformer, two high voltage rectification filter circuits, a measurement circuit, a high voltage changeover switch and an auxiliary switch. The high voltage transformer consists of a primary coil, two secondary coils and a voltage measurement coil, wherein the two secondary coils are independent from the primary coil respectively, and are insulated above 60kV; and the two secondary coils are connected with the high voltage rectification filter circuits to generate DC voltages of 0 to 30kV respectively, and the anodes and cathodes of the two DC voltages are all suspended. The multi-polarity multi-output DC high voltage power supply can be combined into a positive and negative 0-30kV DC high voltage power supply, a double-positive 0-30kV DC high voltage power supply, a double-negative 0-30kV DC high voltage power supply, a positive 60kV DC high voltage power supply and a negative 60kV DC high voltage power supply by the high voltage changeover switch. The multi-output DC high voltage power supply meets the requirements of users on the output polarity diversity of the power supplies with different voltage levels.
Description
Technical field the present invention relates to the dc high-voltage source domain, belongs to the High-Voltage Technology field.
The background technology DC high-voltage power supply detects in power industry extensive use such as cable insulation, zinc oxide arrester detects (negative polarity output); The various clastotypes of HPCE system provide the DC high-voltage power supply (positive polarity, negative polarity, positive-negative polarity conversion output) of high-voltage dc actuating force; The required high voltage source of electron ray tube high voltage electric field (both positive and negative polarity output suspends); Special scientific research occasion (output of bipolarity symmetry, public ground).
Existing high voltage source output polarity is more single, and positive polarity output negative polarity output positive-negative polarity output both positive and negative polarity suspends and exports or the output of bipolarity symmetry; Can't be suitable for and the opposed polarity conversion, prior art wants to realize that the opposed polarity conversion can only increase high voltage source platform number and solve, and has increased substantial contribution like this.
Summary of the invention is in order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of multipolarity multi-channel output direct stream high voltage source, and it can this power supply two-way high-voltage rectifier and the combination of high pressure change over switch, and a power supply is finished the needs of all polarity outputs.
The technical scheme that the present invention takes: the invention provides a kind of multistage property output DC high-voltage power supply.Voltage regulator 1,2 inputs of described multistage property output DC high-voltage power supply insert electrical network AC220V, and voltage regulator 3,4 outputs are connected on high-tension transformer 5,6 inputs; High-tension transformer 7,8 outputs are connected on the ac input end of the first high-voltage rectifying bridge, the first high-voltage rectifying bridge direct current output cathode is connected on filter capacitor C1 one end and is connected on high pressure change over switch 1 end through high-tension resistive R1, and the first high-voltage rectifying bridge direct current output negative pole is connected on the filter capacitor C1 other end and is connected on high pressure change over switch 2 ends through high-tension resistive R2; High-tension transformer 9,10 outputs are connected on the ac input end of the second high-voltage rectifying bridge, the second high-voltage rectifying bridge direct current output cathode is connected on filter capacitor C2 one end and is connected on high pressure change over switch 3 ends through high-tension resistive R3, and the second high-voltage rectifying bridge direct current output negative pole is connected on the filter capacitor C2 other end and is connected on high pressure change over switch 4 ends through high-tension resistive R4; High-tension transformer 11,12 outputs are connected on the ac input end of lower pressure rectifier bridge, lower pressure rectifier bridge direct current output cathode is connected on filter capacitor C3 one end and is connected on auxiliary change over switch 1 end of measurement through low resistance R5, and lower pressure rectifier bridge direct current output negative pole is connected on the filter capacitor C3 other end and is connected on auxiliary change over switch 2 ends of measurement through high-tension resistive R6.
Described high pressure change over switch divides 5 grades, finishes high pressure change over switch 1,2,3,4 ends serial connection for 1 grade, and high pressure change over switch 1 end and the output of first high pressure are joined, first high pressure is output as positive pole, high pressure change over switch 4 ends and the output of second high pressure are joined, and second high pressure is output as negative pole, and the neutral point sky connects.
Beneficial effect: multipolarity multi-channel output direct of the present invention flows the circuit of high voltage source by voltage regulator, high-tension transformer, and two-way high-voltage rectifying filter circuit, a drive test amount circuit, high pressure change over switch and auxiliary switch are formed.High-tension transformer is by a primary coil, two secondary coils, and a voltage measurement coil is formed.Two secondary coils and primary coil are independent respectively, and insulation is more than 60kV.Twice level coils link to each other with high-voltage rectifier and produce the direct voltage of 0-30kV respectively, and two high direct voltage both positive and negative polarities all suspend.Through the high pressure change over switch, can make up positive and negative 0-30kV DC high-voltage power supply, two positive 0-30kV DC high-voltage power supply, two negative 0-30kV DC high-voltage power supply, positive 60kV DC high-voltage power supply, negative 60kV DC high-voltage power supply.The voltage measurement coil is connected with voltmeter, with the interlock of high pressure change over switch, shows high-voltage value.This multi-channel output direct stream high voltage source has satisfied the user to different electric pressures, the variation of power supply output polarity.
Description of drawings
Fig. 1 is multipolarity multi-channel output direct stream high-voltage power circuit figure of the present invention.
Embodiment
Electrical network AC220V input voltage regulator 1,2 inputs, voltage regulator 3,4 outputs are connected on high-tension transformer 5,6 inputs.High-tension transformer 7,8 outputs are connected on the ac input end of high-voltage rectifying bridge 1, high-voltage rectifying bridge 1 (the first high-voltage rectifying bridge) direct current output cathode is connected on filter capacitor C1 one end and is connected on high pressure change over switch 1 end through high-tension resistive R1, and high-voltage rectifying bridge 1 direct current output negative pole is connected on the filter capacitor C1 other end and is connected on high pressure change over switch 2 ends through high-tension resistive R2.High-tension transformer 9,10 outputs are connected on high-voltage rectifying bridge 2 (the second high-voltage rectifying bridge)) ac input end, high-voltage rectifying bridge 2 direct current output cathodes are connected on filter capacitor C2 one end and are connected on high pressure change over switch 3 ends through high-tension resistive R3, and high-voltage rectifying bridge 2 direct current output negative poles are connected on the filter capacitor C2 other end and are connected on high pressure change over switch 4 ends through high-tension resistive R4.High-tension transformer 11,12 outputs are connected on the ac input end of lower pressure rectifier bridge 3, lower pressure rectifier bridge 3 direct current output cathodes are connected on filter capacitor C3 one end and are connected on auxiliary change over switch 1 end of measurement through low resistance R5, and lower pressure rectifier bridge 3 direct current output negative poles are connected on the filter capacitor C3 other end and are connected on auxiliary change over switch 2 ends of measurement through high-tension resistive R6.
The high pressure change over switch divides 5 grades, finish high pressure change over switch 1,2,3,4 ends serial connection for 1 grade, high pressure change over switch 1 joins high pressure output 1 for anodal with high pressure output 1 (output of first high pressure), high pressure change over switch 4 ends and high pressure output 2 (outputs of second high pressure) the high pressure output 2 of joining is negative pole, and the neutral point sky connects.With plus earth, high pressure output 2 can obtain 0-60kV negative polarity high pressure for negative polarity output.With minus earth, high pressure output 1 can obtain 0-60kV positive polarity high pressure for positive polarity output.Both positive and negative polarity is all earth-free, high pressure output 1,2 output that can suspend.
The high pressure change over switch is at 2 grades, and high pressure change over switch 1,3 ends link to each other with high pressure output 1 and are output as positive pole through high pressure output 1, and high pressure change over switch 2,4, end link to each other with high pressure output 2 and be output as negative pole through high pressure output 2, and the neutral point sky connects.With plus earth, high pressure output 2 can obtain 0-30kV negative polarity high pressure (the rated high voltage electric current is a single channel high-tension current twice) for negative polarity output.With minus earth, high pressure output 1 can obtain 0-30kV positive polarity high pressure for positive polarity output.(the rated high voltage electric current is a single channel high-tension current twice).
The high pressure change over switch is at 3 grades, and high pressure change over switch 1 end links to each other with high pressure output 1 and is output as positive pole through high pressure output 1, and high pressure change over switch 3 ends link to each other with high pressure output 2 and are output as positive pole through high pressure output 2, and high pressure change over switch 2,4 ends and neutral point join.With neutral ground, high pressure output 1,2 is positive polarity output, can obtain the output of two independent 0-30kV positive polarity high pressure.
The high pressure change over switch is at 4 grades, and high pressure change over switch 2 ends link to each other with high pressure output 1 and are output as negative pole through high pressure output 1, and high pressure change over switch 4 ends and high pressure output 2 are output as negative pole through high pressure output 2, and high pressure change over switch 1,3 ends and neutral point join.With neutral ground, high pressure output 1,2 is negative polarity output, can obtain the output of two independent 0-30kV negative polarity high pressure.
The high pressure change over switch is at 5 grades, and high pressure change over switch 1 end links to each other with high pressure output 1 and is output as positive pole through high pressure output 1, and the output 2 of high pressure change over switch 4 end high pressure is output as negative pole through high pressure output 2, and high pressure change over switch 2,3 ends and neutral point join.With neutral ground, high pressure output 1,2 is positive-negative polarity output, can obtain the 0-30kV positive-negative polarity high pressure output of symmetry relatively.The high pressure change over switch links with measuring auxiliary switch, and 5 grades of corresponding respectively measurement auxiliary switch gears of high pressure change over switch show corresponding high-voltage value through high pressure.
Above content be in conjunction with optimal technical scheme to further describing that the present invention did, can not assert that the concrete enforcement of invention only limits to these explanations.Concerning the general technical staff of the technical field of the invention, under the prerequisite that does not break away from design of the present invention, can also make simple deduction and replacement, all should be considered as protection scope of the present invention.
Claims (1)
1. a multipolarity multi-channel output direct stream high voltage source is characterized in that voltage regulator 1,2 inputs of described multistage property output DC high-voltage power supply insert electrical network AC220V, and voltage regulator 3,4 outputs are connected on high-tension transformer 5,6 inputs; High-tension transformer 7,8 outputs are connected on the ac input end of the first high-voltage rectifying bridge, the first high-voltage rectifying bridge direct current output cathode is connected on filter capacitor (C1) end and is connected on high pressure change over switch 1 end through high-tension resistive (R1), and the first high-voltage rectifying bridge direct current output negative pole is connected on filter capacitor (C1) other end and is connected on high pressure change over switch 2 ends through high-tension resistive (R2); High-tension transformer 9,10 outputs are connected on the ac input end of the second high-voltage rectifying bridge, the second high-voltage rectifying bridge direct current output cathode is connected on filter capacitor (C2) end and is connected on high pressure change over switch 3 ends through high-tension resistive (R3), and the second high-voltage rectifying bridge direct current output negative pole is connected on filter capacitor (C2) other end and is connected on high pressure change over switch 4 ends through high-tension resistive (R4); High-tension transformer 11,12 outputs are connected on the ac input end of lower pressure rectifier bridge, lower pressure rectifier bridge direct current output cathode is connected on filter capacitor (C3) end and is connected on auxiliary change over switch 1 end of measurement through low resistance (R5), and lower pressure rectifier bridge direct current output negative pole is connected on filter capacitor (C3) other end and is connected on auxiliary change over switch 2 ends of measurement through high-tension resistive (R6);
Described high pressure change over switch divides 5 grades, finishes high pressure change over switch 1,2,3,4 ends serial connection for 1 grade,
High pressure change over switch 1 end and the output of first high pressure are joined, and first high pressure is output as positive pole, and high pressure change over switch 4 ends and the output of second high pressure are joined, and second high pressure is output as negative pole, and the neutral point sky connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101805095A CN102255534A (en) | 2011-06-30 | 2011-06-30 | Multi-polarity multi-output DC high voltage power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101805095A CN102255534A (en) | 2011-06-30 | 2011-06-30 | Multi-polarity multi-output DC high voltage power supply |
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| CN102255534A true CN102255534A (en) | 2011-11-23 |
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| CN2011101805095A Pending CN102255534A (en) | 2011-06-30 | 2011-06-30 | Multi-polarity multi-output DC high voltage power supply |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103186106A (en) * | 2011-12-28 | 2013-07-03 | 深圳市金威源科技股份有限公司 | High voltage direct current control switch |
| CN103414324A (en) * | 2013-07-29 | 2013-11-27 | 国家电网公司 | Low-voltage alternating-current and direct-current power source output device |
| CN105305832A (en) * | 2015-10-13 | 2016-02-03 | 惠州三华工业有限公司 | Circuit for realizing multi-path positive and negative high-voltage output |
| CN106612110A (en) * | 2015-10-23 | 2017-05-03 | 扬州泰力自动化技术有限公司 | +/- 5KV high-frequency DC high voltage generator with settable output positive/negative polarity |
| CN106612071A (en) * | 2015-10-23 | 2017-05-03 | 扬州泰力自动化技术有限公司 | A +-1KV direct current switching power supply allowing automatic conversion of positive and negative polarities |
-
2011
- 2011-06-30 CN CN2011101805095A patent/CN102255534A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103186106A (en) * | 2011-12-28 | 2013-07-03 | 深圳市金威源科技股份有限公司 | High voltage direct current control switch |
| CN103186106B (en) * | 2011-12-28 | 2016-04-27 | 深圳市金威源科技股份有限公司 | A kind of high voltage direct current control switch |
| CN103414324A (en) * | 2013-07-29 | 2013-11-27 | 国家电网公司 | Low-voltage alternating-current and direct-current power source output device |
| CN105305832A (en) * | 2015-10-13 | 2016-02-03 | 惠州三华工业有限公司 | Circuit for realizing multi-path positive and negative high-voltage output |
| CN106612110A (en) * | 2015-10-23 | 2017-05-03 | 扬州泰力自动化技术有限公司 | +/- 5KV high-frequency DC high voltage generator with settable output positive/negative polarity |
| CN106612071A (en) * | 2015-10-23 | 2017-05-03 | 扬州泰力自动化技术有限公司 | A +-1KV direct current switching power supply allowing automatic conversion of positive and negative polarities |
| CN106612071B (en) * | 2015-10-23 | 2019-08-23 | 扬州泰力自动化技术有限公司 | A kind of output positive-negative polarity automatic conversion ± 1KV direct-current switch power supply |
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Application publication date: 20111123 |