CN201230286Y - High voltage rectifying triggering control circuit - Google Patents
High voltage rectifying triggering control circuit Download PDFInfo
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- CN201230286Y CN201230286Y CNU2008200295385U CN200820029538U CN201230286Y CN 201230286 Y CN201230286 Y CN 201230286Y CN U2008200295385 U CNU2008200295385 U CN U2008200295385U CN 200820029538 U CN200820029538 U CN 200820029538U CN 201230286 Y CN201230286 Y CN 201230286Y
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- thyristor
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- 230000003287 optical effect Effects 0.000 claims abstract description 20
- 230000005622 photoelectricity Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to a thyristor control circuit in a high-voltage rectification circuit, in particular to a high-voltage rectification triggering control circuit used for a low-current high-voltage power supply. The thyristor control circuit is used for connecting in series the same rectifier arm of a main circuit with a plurality of thyristors, transmitting control signals to a photoelectric converter through a control optical cable, then dividing the control signals, which are converted into electrical signals by the photoelectric converter and then enter into a data processing module, to a plurality of signal isolating units to respectively control the thyristors. After the thyristors make action, the signal isolating units transmit multi-path separated report signals which are transmitted out by a report optical cable through the data processing module, an electrical-to-optical converter. .
Description
Technical field
The utility model relates to the thyristor control circuit in the high-voltage rectifier, particularly is used for the high-voltage rectifying trigger control circuit of little electric current high voltage source.
Background technology
Direct current lightning arrester resistor disc device for fast detecting aged sample high-voltage rectifier power source requires the commutating voltage height, electric current very little (10A is following).For example: needing rated output voltage is that 16000V, output-current rating are the rectification circuit of 3A, meets difficulty in the selection of rectifier cell.If select the high voltage rectifier element for use, then there is not the rectifier cell of the following electric current of 200A, if select the rectifier cell about 10A, then voltage is all below 1000V.The rectifier cell ceiling voltage is 5600V/200A at present, and satisfy 16000V voltage needs 8 rectifier cell series connection, and the assembling volume is big, the cost height.If select little current commutates element (3.5A/1200V), need 30 rectifier cell series connection, control number of fibers summation reaches 360, it is also big especially that light transmits and receives plate, the volume that occupies in rectifier cabinet is big, and cost height simultaneously is not suitable for the rectifying device of high voltage, little electric current.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, volume is little, cost is low high-voltage rectifying trigger control circuit.
For reaching above purpose, the utility model adopts following technical scheme to be achieved: a kind of high-voltage rectifying trigger control circuit, and the same rectifier arm that is used for major loop is in series with the rectifying device of many thyristors, it is characterized in that, comprising:
A control optical cable, the master control light signal of transmission thyristor;
An optical-electrical converter is converted to the master control signal of telecommunication with described master control light signal;
A repayment optical cable, the Total Return light signal of transmission thyristor;
An electrical to optical converter is the master control light signal with described Total Return electrical signal conversion;
A plurality of Signal Spacing unit, corresponding one by one with described many thyristors, wherein each Signal Spacing unit receives the corresponding thyristor of branch control signal of telecommunication rear drive of isolating through photoelectricity, and detects corresponding thyristor, the branch repayment signal of telecommunication of output after photoelectricity is isolated;
Data processing module is imported a plurality of Signal Spacing unit simultaneously with the master control signal of telecommunication, produces a plurality of branches control signals of telecommunication, and, will a plurality of described branches repay that the signals of telecommunication carry out or logical operation after as the Total Return signal of telecommunication.
Further improvement of the utility model is: described Signal Spacing unit comprises the power amplifier that drives thyristor, provides first photoisolator of the branch control signal of telecommunication and second photoisolator and current-limiting resistance to power amplifier; The input of second photoisolator is connected across between the thyristor both positive and negative polarity with after described current-limiting resistance is connected; The output output of second photoisolator divides the repayment signal of telecommunication.
Of the present utility model further the improvement is: described data processing module comprises: DC power supply; A NPN triode, its emitter and dc power cathode, its base stage is connected with the output of described optical-electrical converter, is connected in series the input of a plurality of Signal Spacing unit between its collector electrode and the described dc power anode successively; A PNP triode, its emitter is connected with dc power anode, and its collector electrode is connected with the electrical to optical converter input, and its base stage is connected with the output of a plurality of Signal Spacing unit respectively.Improve more specifically and also be: be provided with clamp diode between the emitter of described NPN triode and the dc power cathode; Described PNP transistor base is connected with the output of a plurality of Signal Spacing unit respectively after protecting diode by one, and described protection diode current flows to this base stage.
The utility model is sent to control signal on the optical-electrical converter by a control optical cable, through optical-electrical converter, light signal is converted to the signal of telecommunication, enter again in the data processing module, then control signal is given a plurality of Signal Spacing elements, removed to control a plurality of thyristors respectively.After many thyristor actions, a plurality of Signal Spacing elements send multichannel and divide the repayment signal, and three the tunnel divide the repayment signal to spread out of with a repayment optical cable through data processing module, electrical to optical converter.Because the utility model adopts two optical cables, a control board, controls many thyristors, optical cable and control board quantity descend at double, have saved manufacturing cost and installation volume.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a schematic diagram of the present utility model;
Fig. 2 is the main loop circuit schematic diagram of the utility model specific embodiment;
Fig. 3 is the trigger control circuit schematic diagram of the utility model specific embodiment.
Embodiment
With reference to Fig. 1, the high-voltage rectifying major loop is made up of interchangeable convertor transformer 1 and rectifier bridge, and rectifier bridge includes 12 high-voltage rectifying unit 2.With direct current lightning arrester resistor disc accelerated ageing high voltage rectification equipment is example, need obtain rated output voltage is that 16000V, output-current rating are the rectification circuit of 3A, now select 40TPS16 (35A/1600V) for use, every arm only needs 15 thyristor series connection to get final product, and wherein per three thyristors are composed in series a high voltage power element.
With reference to Fig. 2, with three thyristors is example, master control light signal of the present utility model is through a control optical cable input optical-electrical converter, optical-electrical converter is converted to the master control signal of telecommunication with the master control light signal, the master control signal of telecommunication is through behind the data processing module, the master control signal of telecommunication divides three the tunnel to become the branch control signal of telecommunication and enter separately Signal Spacing unit, each Signal Spacing unit receives the corresponding thyristor of branch control signal of telecommunication rear drive of isolating through photoelectricity, and detecting corresponding thyristor, the branch of output after photoelectricity is isolated repaid the signal of telecommunication; Then, data processing module a plurality of described branches repayment signals of telecommunication are carried out or logical operation after as the Total Return signal of telecommunication, the Total Return signal of telecommunication obtains the Total Return light signal through electrical to optical converter, is passed back by a repayment optical cable at last.
With reference to Fig. 3, each high voltage power element is composed in series by three thyristor V, and is installed on the same control board.The master control light signal becomes the master control signal of telecommunication after entering electrooptical device L1 by the control optical cable, by NPN triode T1, photoisolator (optocoupler) U1, U3, U5 that control signal is offered three series connection once carried out one minute three the master control signal of telecommunication, obtained to divide a control signal of telecommunication.
Behind power amplifier (power amplifier) P1 of three branches control signal of telecommunication by separately, P2, the P3, offer three series thyristor V respectively.Isolate by carrying out photoelectricity with three thyristor V photoisolator (optocoupler) U2, U4, the U6 corresponding in parallel respectively with it, the output of each photoisolator is for dividing the repayment signal of telecommunication, the output of three photoisolators (optocoupler) U2, U4, U6 is together in parallel, amplifies by PNP triode T2 again and obtain the Total Return signal of telecommunication.The Total Return signal of telecommunication converts total light repayment signal to by electrical to optical converter L2 and passes back.V among the figure
CCThe DC power supply that provides to control board is provided; D1 is a clamp diode; D2 is the protection diode; Its current direction PNP triode T2 base stage; R1, R2, R3, R4 are respectively current-limiting resistance.
Claims (5)
1, a kind of high-voltage rectifying trigger control circuit, the same rectifier arm that is used for major loop is in series with the rectifying device of many thyristors, it is characterized in that, comprising:
A control optical cable, the master control light signal of transmission thyristor;
An optical-electrical converter is converted to the master control signal of telecommunication with described master control light signal;
A repayment optical cable, the Total Return light signal of transmission thyristor;
An electrical to optical converter is the master control light signal with described Total Return electrical signal conversion;
A plurality of Signal Spacing unit, corresponding one by one with described many thyristors, wherein each Signal Spacing unit receives the corresponding thyristor of branch control signal of telecommunication rear drive of isolating through photoelectricity, and detects corresponding thyristor, the branch repayment signal of telecommunication of output after photoelectricity is isolated;
Data processing module is imported a plurality of Signal Spacing unit simultaneously with the master control signal of telecommunication, produces a plurality of branches control signals of telecommunication, and, will a plurality of described branches repay that the signals of telecommunication carry out or logical operation after as the Total Return signal of telecommunication.
2, a kind of high-voltage rectifying trigger control circuit according to claim 1, it is characterized in that, described Signal Spacing unit comprises: drive the power amplifier of thyristor, provide first photoisolator of the branch control signal of telecommunication and second photoisolator and current-limiting resistance to power amplifier; The input of second photoisolator is connected across between the thyristor both positive and negative polarity with after described current-limiting resistance is connected; The output output of second photoisolator divides the repayment signal of telecommunication.
3, a kind of high-voltage rectifying trigger control circuit according to claim 1 is characterized in that described data processing module comprises: DC power supply; A NPN triode, its emitter and dc power cathode, its base stage is connected with the output of described optical-electrical converter, is connected in series the input of a plurality of Signal Spacing unit between its collector electrode and the described dc power anode successively; A PNP triode, its emitter is connected with dc power anode, and its collector electrode is connected with the electrical to optical converter input, and its base stage is connected with the output of a plurality of Signal Spacing unit respectively.
4, a kind of high-voltage rectifying trigger control circuit according to claim 3 is characterized in that, is provided with clamp diode between the emitter of described NPN triode and the dc power cathode.
5, a kind of high-voltage rectifying trigger control circuit according to claim 3; it is characterized in that; described PNP transistor base is connected with the output of a plurality of Signal Spacing unit respectively after protecting diode by one, and described protection diode current flows to this base stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200295385U CN201230286Y (en) | 2008-07-02 | 2008-07-02 | High voltage rectifying triggering control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200295385U CN201230286Y (en) | 2008-07-02 | 2008-07-02 | High voltage rectifying triggering control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201230286Y true CN201230286Y (en) | 2009-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200295385U Expired - Lifetime CN201230286Y (en) | 2008-07-02 | 2008-07-02 | High voltage rectifying triggering control circuit |
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| CN (1) | CN201230286Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184340A (en) * | 2014-08-29 | 2014-12-03 | 永济新时速电机电器有限责任公司 | Novel rectifier cabinet |
| CN107124172A (en) * | 2017-05-12 | 2017-09-01 | 重庆大全泰来电气有限公司 | A kind of thyristor gating circuit |
| CN108278171A (en) * | 2018-03-26 | 2018-07-13 | 山东元齐新动力科技有限公司 | Motor start-up control device based on threephase generator |
-
2008
- 2008-07-02 CN CNU2008200295385U patent/CN201230286Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184340A (en) * | 2014-08-29 | 2014-12-03 | 永济新时速电机电器有限责任公司 | Novel rectifier cabinet |
| CN107124172A (en) * | 2017-05-12 | 2017-09-01 | 重庆大全泰来电气有限公司 | A kind of thyristor gating circuit |
| CN107124172B (en) * | 2017-05-12 | 2021-01-22 | 重庆大全泰来电气有限公司 | Thyristor trigger circuit |
| CN108278171A (en) * | 2018-03-26 | 2018-07-13 | 山东元齐新动力科技有限公司 | Motor start-up control device based on threephase generator |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090429 |