CN101232278A - Gate circuit transistor valve electropositive potential electronic plate - Google Patents
Gate circuit transistor valve electropositive potential electronic plate Download PDFInfo
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- CN101232278A CN101232278A CNA2008101008787A CN200810100878A CN101232278A CN 101232278 A CN101232278 A CN 101232278A CN A2008101008787 A CNA2008101008787 A CN A2008101008787A CN 200810100878 A CN200810100878 A CN 200810100878A CN 101232278 A CN101232278 A CN 101232278A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000013307 optical fiber Substances 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000005622 photoelectricity Effects 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007634 remodeling Methods 0.000 description 2
- 238000007600 charging Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention relates to a high potential electron plate of a thyristor valve. The invention is characterized in that the high potential electron plate comprises a power switching circuit, a power supply state monitoring loop, a voltage detecting loop, a light receiving loop, a signal returning and light emitting loop, a logic control loop and a triggering loop; the loops are integrated in a chip to form the high potential electron plate of the thyristor valve, so as to realize that one triggering command triggers two common cathode thyristor elements at the same time; therefore, in a triggering system in which the high potential electron plate is arranged, the quantity of the high potential electron plate can be greatly reduced, thereby reducing the volume of a valve body, lowering the cost of the device, and enhancing the reliability of the whole triggering system. The invention can be widely used in a photoelectric triggering system of the thyristor valve.
Description
Technical field
The present invention relates to a kind of electron plate, particularly about a kind of high potential electron plate of thyristor valve that can trigger two thyristors of common cathode simultaneously.
Background technology
High potential electron plate of thyristor valve (Thyristor Electronics, be called for short the TE plate) in the triggering of thyristor valve and condition monitoring system, play crucial effects, it is the trigger command of receiving control system on the one hand, and it is converted to the triggering signal of thyristor valve; State with thyristor valve is sent to control system in real time on the other hand.The TE plate that is used for the high power electronic equipment thyristor valve in the prior art is normally corresponding one by one with thyristor, and thyristor is taked the mode of connecting, and causes the quantity of TE plate more like this, causes the volume of thyristor valve bigger, and floor space is many; The triggering signal of TE plate also is to decipher the single trigger impulse that obtains by the pulse code that control system is issued in the prior art, triggering system and supervisory control system only produce single or two trigger impulses in each cycle in addition, can not produce high-frequency pulse string, can reduce the performance of power electronic equipment like this, not reach the set goal.
Summary of the invention
At the problems referred to above, the objective of the invention is to propose a kind ofly can realize that a trigger command triggers the high potential electron plate of thyristor valve of two common cathode thyristors simultaneously.
For achieving the above object, the present invention takes following technical scheme: a kind of high potential electron plate of thyristor valve, it is characterized in that: it comprises the power source conversion loop, the power supply status monitoring circuit, the voltage detecting loop, the light-receiving loop, loop control logic triggers loop and signal response and light launching circuit; The input in described power source conversion loop connects outside getting can current transformer, the described power supply status monitoring circuit of output termination; The described loop control logic of output termination of described power supply status monitoring circuit; The input in described voltage detecting loop connects outside thyristor terminal voltage sampling loop, the described loop control logic of output termination in described voltage detecting loop; Described light is accepted the optical fiber of the input connection input optical pulse signal in loop, the described loop control logic of output termination; The described triggering of an output termination loop of described loop control logic, another output described signal response of termination and light launching circuit; The output in described triggering loop comprises the two-way trigger terminal, connects the gate pole and the negative electrode of two thyristors of common cathode respectively; The optical fiber of the output termination output optical pulse signal of described signal response and light launching circuit.
Described power source conversion loop comprises a rectification circuit, an accumulator, an amplitude limiter circuit and a DC-DC translation circuit, the input of described rectification circuit is the input that described power supply transforms the loop, the output of described rectification circuit connects described accumulator, and described accumulator connects described amplitude limiter circuit.
Described amplitude limiter circuit comprises two outputs, and described two outputs connect described power supply status monitoring circuit.
An output of described two outputs directly connects described triggering loop by power bus, and another output is for directly connecting described light-receiving loop, loop control logic and signal response and light launching circuit by power bus.
Described electric attitude source shape monitoring circuit comprises a comparison circuit and reference circuit, described comparison circuit is accepted the output signal from described power source conversion loop, and with described reference circuit in reference voltage relatively, described comparison circuit output connects described loop control logic.
Described loop control logic receives the level signal from described power supply status monitoring circuit, as the input of voltage comparator, after comparing with reference potential, outputs level signals is inserted in the parallel input/serial output loop; The level signal in described voltage detecting loop, inserts outputs level signals in described parallel input/serial output loop behind the access trigger loop by the photoelectricity isolated loop; The level signal in described light-receiving loop, one road signal send to the triggering loop with triggering signal after expanding the loop by pulsewidth; Another road signal inserts outputs level signals in described parallel input/serial output loop by behind another trigger loop; The three tunnel described level signals that described parallel input/serial output loop is collected send to described signal response and light launching circuit after handling.
The present invention has the following advantages owing to take above technical scheme: 1, because the improvement of internal circuit of the present invention, realized that therefore a TE plate can trigger two thyristors of common cathode simultaneously.2, adopt TE plate of the present invention in triggering system, can reduce the quantity of TE plate, and thyristor valve tandem is many more, advantage of the present invention is outstanding more.Align the valve body that anti-parallel thyristor is contacted for one by N, TE plate commonly used needs 2N, if adopt TE plate of the present invention then only to need N+1, has significantly reduced the quantity of TE plate, has both reduced cost, has also improved the reliability of whole triggering system.
Description of drawings
Fig. 1 is an electrical block diagram of the present invention
Fig. 2 is a power source conversion loop structure schematic diagram of the present invention
Fig. 3 is a power supply status monitoring circuit structural representation of the present invention
Fig. 4 is a loop control logic structural representation of the present invention
Fig. 5 is a user mode schematic diagram of the present invention
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
As shown in Figure 1, TE plate provided by the present invention is an integrated chip, its inner integrated following loop: power source conversion loop 1, power supply status monitoring circuit 2, voltage detecting loop 3, light-receiving loop 4, loop control logic 5 triggers loop 6 and signal response and light launching circuit 7.
As shown in Figure 2, power source conversion loop 1 comprises a rectification circuit 8, the input of rectification circuit 8 connects outside getting can current transformer 9, the electric current of input obtains direct voltage for accumulator 10 chargings by rectification circuit 8, through the voltage-stabiliser tube in the amplitude limiter circuit 11 voltage is stabilized in+60V again, amplitude limiter circuit 11 comprises two outputs, and the mode of one of them output by power bus directly connects and trigger loop 6, to provide+trigger current of 60V; Another output connects DC-DC translation circuit 12, and general+60V becomes+12V, and the output of DC-DC translation circuit 12 directly connects light-receiving loop 4, loop control logic 5 and signal response and light launching circuit 7 by the mode of power bus.In addition+60V and+the 12V direct voltage also will be as the input signal of power supply status monitoring circuit 2, to monitor and to judge whether get can normal with the input and output in power source conversion loop 1.
Electric as shown in Figure 3 attitude source shape monitoring circuit 2 comprises a comparison circuit 13 and reference circuit 14, the output signal that comparison circuit 13 receives from power source conversion loop 1, by with reference circuit 14 in reference voltage relatively to judge that whether normal power source conversion loop 1 work, comparison circuit 14 sends to judged result loop control logic 5 again.
The input in voltage detecting loop 3 is from the thyristor terminal voltage sampling loop 15 of outside, voltage detecting loop 3 mainly is the voltage that utilizes thyristor terminal voltage sampling loop 15 to gather, for the logic determines in voltage detecting loop 3 partly provides required level, realize the sampling of thyristor terminal voltage, and the logic determines result is sent to loop control logic 6.If thyristor valve string is by N thyristor to be connected, then required TE plate number is N+1, wherein has only the input in the voltage detecting loop 3 of N TE plate to be connected to thyristor terminal voltage sampling loop 15.
Light-receiving loop 4 connects external fiber 16, and it carries out opto-electronic conversion with the light pulse signal that optical fiber 16 sends over, and obtains corresponding level signal, and these level signals are sent to loop control logic 5, to carry out the light pulse order.
As shown in Figure 4, loop control logic 5 receives the level signal from power supply status monitoring circuit 2, as the input of voltage comparator 17, after comparing with reference potential, outputs level signals is inserted in the parallel input/serial output loop 18.The level signal in voltage detecting loop 3, inserts outputs level signals in the parallel input/serial output loop 18 behind the access trigger loop 20 by photoelectricity isolated loop 19.The level signal in light-receiving loop 4, one road signal send to triggering loop 6 with triggering signal after expanding loop 21 by pulsewidth; Another road signal inserts outputs level signals in the parallel input/serial output loop 18 by behind the trigger loop 22.Three tunnel level signals that parallel at last input/serial output loop 18 is collected send to signal response and light launching circuit 7 after handling.
The input that triggers loop 6 connects loop control logic 5, and output comprises the two-way trigger terminal, connects the gate pole and the negative electrode of two thyristors 23 of common cathode respectively.Trigger the execution command that loop 6 receives from loop control logic 5, trigger or the triggering signal of thyristor that locking connects, and these signals are sent to the gate pole and the negative electrode of the thyristor that is connected.If thyristor valve string is by N thyristor to be connected, then required TE plate number is N+1, wherein have only the output of middle N-1 TE plate to connect the gate pole and the negative electrode of two thyristors 23 of common cathode, the 1st only is connected the gate pole and the negative electrode of a thyristor with the output of N+1 TE plate.
Signal response is connected loop control logic 5 and optical fiber 24 with light launching circuit 7.It generates the state reporting signal of thyristor and TE plate according to the state reporting instruction of loop control logic 5 output, and is corresponding light pulse signal with the state reporting conversion of signals, uploads to the monitoring means that is positioned at electronegative potential by optical fiber 24.
As shown in Figure 5, when needs trigger thyristor valve, even trigger command is simultaneously by thyristor valve base electronic unit (VBE, Valve Base Electronics) sends, it is logical that two thyristors 23 of common cathode also have only a quilt to touch, and need not like this to detect to judge the sense of current, in case need thyristor valve work, can in the shortest time, touch logical thyristor valve, and implementation is simple and reliable.Obviously, adopt this mode, can also reduce the quantity of TE plate, valve series element many more, the advantage of this mode is outstanding more.Align the valve body that anti-parallel thyristor is contacted for one by N, triggering mode commonly used needs 2N TE plate, and this mode only needs N+1 TE plate, has reduced the quantity of TE plate, has also promptly reduced cost.
In essence intention scope of the present invention, can there be many conversion, remodeling or replacement in each loop of the present invention, and is any based on equivalent transformation of the present invention, remodeling or replacement, all should not get rid of outside protection scope of the present invention.
Claims (7)
1. high potential electron plate of thyristor valve, it is characterized in that: it comprises the power source conversion loop, the power supply status monitoring circuit, the voltage detecting loop, the light-receiving loop, loop control logic triggers loop and signal response and light launching circuit; The input in described power source conversion loop connects outside getting can current transformer, the described power supply status monitoring circuit of output termination; The described loop control logic of output termination of described power supply status monitoring circuit; The input in described voltage detecting loop connects outside thyristor terminal voltage sampling loop, the described loop control logic of output termination in described voltage detecting loop; Described light is accepted the optical fiber of the input connection input optical pulse signal in loop, the described loop control logic of output termination; The described triggering of an output termination loop of described loop control logic, another output described signal response of termination and light launching circuit; The output in described triggering loop comprises the two-way trigger terminal, connects the gate pole and the negative electrode of two thyristors of common cathode respectively; The optical fiber of the output termination output optical pulse signal of described signal response and light launching circuit.
2. a kind of according to claim 1 high potential electron plate of thyristor valve, it is characterized in that: described power source conversion loop comprises a rectification circuit, an accumulator, an amplitude limiter circuit and a DC-DC translation circuit, the input of described rectification circuit is the input that described power supply transforms the loop, the output of described rectification circuit connects described accumulator, and described accumulator connects described amplitude limiter circuit.
3. a kind of as claimed in claim 1 or 2 high potential electron plate of thyristor valve is characterized in that: described amplitude limiter circuit comprises two outputs, and described two outputs connect described power supply status monitoring circuit.
4. as a kind of high potential electron plate of thyristor valve as described in the claim 3, it is characterized in that: described amplitude limiter circuit comprises two outputs, and described two outputs connect described power supply status monitoring circuit.
5. as a kind of high potential electron plate of thyristor valve as described in the claim 4, it is characterized in that: an output of described two outputs directly connects described triggering loop by power bus, and another output is for directly connecting described light-receiving loop, loop control logic and signal response and light launching circuit by power bus.
6. a kind of according to claim 1 high potential electron plate of thyristor valve, it is characterized in that: described electric attitude source shape monitoring circuit comprises a comparison circuit and reference circuit, described comparison circuit is accepted the output signal from described power source conversion loop, and with described reference circuit in reference voltage relatively, described comparison circuit output connects described loop control logic.
7. a kind of according to claim 1 high potential electron plate of thyristor valve, it is characterized in that: described loop control logic receives the level signal from described power supply status monitoring circuit, input as voltage comparator, after comparing with reference potential, outputs level signals is inserted in the parallel input/serial output loop; The level signal in described voltage detecting loop, inserts outputs level signals in described parallel input/serial output loop behind the access trigger loop by the photoelectricity isolated loop; The level signal in described light-receiving loop, one road signal send to the triggering loop with triggering signal after expanding the loop by pulsewidth; Another road signal inserts outputs level signals in described parallel input/serial output loop by behind another trigger loop; The three tunnel described level signals that described parallel input/serial output loop is collected send to described signal response and light launching circuit after handling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008101008787A CN100574104C (en) | 2008-02-25 | 2008-02-25 | A kind of high potential electron plate of thyristor valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008101008787A CN100574104C (en) | 2008-02-25 | 2008-02-25 | A kind of high potential electron plate of thyristor valve |
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| CN101232278A true CN101232278A (en) | 2008-07-30 |
| CN100574104C CN100574104C (en) | 2009-12-23 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795001B (en) * | 2009-12-11 | 2012-07-25 | 中电普瑞科技有限公司 | Valve-base electronic (VBE) device capable of automatically switching on and off high-voltage solid-state complex switch |
| CN101834537B (en) * | 2009-12-11 | 2013-03-13 | 中电普瑞科技有限公司 | High potential electron plate of thyristor valve |
| CN103151905A (en) * | 2013-02-05 | 2013-06-12 | 九江九整整流器有限公司 | Multiple thyristor synchronous optical pulse trigger circuit |
| CN109270419A (en) * | 2017-07-14 | 2019-01-25 | 许继集团有限公司 | A kind of power supply device and detection system of the detection device of high-potential thyristor |
| CN109962611A (en) * | 2017-12-14 | 2019-07-02 | 中电普瑞科技有限公司 | A kind of high-lying electronic plate and its control method for high altitude localities |
-
2008
- 2008-02-25 CN CNB2008101008787A patent/CN100574104C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795001B (en) * | 2009-12-11 | 2012-07-25 | 中电普瑞科技有限公司 | Valve-base electronic (VBE) device capable of automatically switching on and off high-voltage solid-state complex switch |
| CN101834537B (en) * | 2009-12-11 | 2013-03-13 | 中电普瑞科技有限公司 | High potential electron plate of thyristor valve |
| CN103151905A (en) * | 2013-02-05 | 2013-06-12 | 九江九整整流器有限公司 | Multiple thyristor synchronous optical pulse trigger circuit |
| CN103151905B (en) * | 2013-02-05 | 2017-10-03 | 九江赛晶科技股份有限公司 | A kind of many IGCT synchronizable optical pulsed triggering circuits |
| CN109270419A (en) * | 2017-07-14 | 2019-01-25 | 许继集团有限公司 | A kind of power supply device and detection system of the detection device of high-potential thyristor |
| CN109962611A (en) * | 2017-12-14 | 2019-07-02 | 中电普瑞科技有限公司 | A kind of high-lying electronic plate and its control method for high altitude localities |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100574104C (en) | 2009-12-23 |
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Owner name: STATE ELECTRIC NET CROP. Effective date: 20130130 |
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Effective date of registration: 20130130 Address after: 100085 Beijing city small business Qinghe Road No. 15 Patentee after: China Electric Power Research Institute Patentee after: State Grid Corporation of China Address before: 100085 Beijing city small business Qinghe Road No. 15 Patentee before: China Electric Power Research Institute |