CN104764989B - A kind of silicon controlled rectifier pulse monitoring device - Google Patents
A kind of silicon controlled rectifier pulse monitoring device Download PDFInfo
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- CN104764989B CN104764989B CN201510153985.6A CN201510153985A CN104764989B CN 104764989 B CN104764989 B CN 104764989B CN 201510153985 A CN201510153985 A CN 201510153985A CN 104764989 B CN104764989 B CN 104764989B
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Abstract
The embodiment of the present invention discloses a kind of silicon controlled rectifier pulse monitoring device, the impulse generator connects the controller and first photoisolator respectively, first photoisolator connects the input terminal of first analog-digital converter, first analog-digital converter connects the processor, the controller connects the input terminal of the phase shifter, the phase shifter connects the input terminal of the photoelectric converter, the photoelectric converter connects the input terminal of the pulse amplifier, the pulse amplifier connection is described silicon-controlled, silicon-controlled connection second photoisolator, second photoisolator connects second analog-digital converter, second analog-digital converter connects the processor.A kind of silicon controlled rectifier pulse monitoring device provided in an embodiment of the present invention, can realize on-line monitoring silicon controlled rectifier pulse state, accurately and timely reflect trouble point, shorten breakdown judge and processing time, improve work efficiency.
Description
Technical field
The present invention relates to pulse monitoring technical field, more particularly, to a kind of silicon controlled rectifier pulse monitoring device.
Background technology
Existing SCR pulse trigger device is turned by sequentially connected impulse generator, controller, phase shifter, photoelectricity
Parallel operation, pulse amplifier and Group of Silicon Controlled Rectifier are into when silicon-controlled system jam, maintenance personnel can not judge out of order class
Other and specific abort situation.
But existing SCR pulse trigger device by observing the voltage waveform of load, also can only when breaking down
Judge the silicon-controlled not open-minded of certain branch, can not detect that silicon-controlled failure or trigger pulse are lost, causing cannot
The quick accurate location for determining to break down, so that production efficiency is lower.
The content of the invention
The embodiment of the present invention can realize on-line monitoring silicon controlled rectifier pulse by providing a kind of silicon controlled rectifier pulse monitoring device
State, accurately and timely reflects trouble point, shortens breakdown judge and processing time, improves work efficiency.
An embodiment of the present invention provides a kind of silicon controlled rectifier pulse monitoring device, including impulse generator, controller, phase shift
Device, photoelectric converter, pulse amplifier, silicon-controlled, the first photoisolator, the second photoisolator, the first analog-digital converter,
Second analog-digital converter and processor, wherein, the output terminal of the impulse generator connects the controller and described respectively
One photoisolator, wherein, the output terminal of first photoisolator connects the input terminal of first analog-digital converter, institute
The output terminal for stating the first analog-digital converter connects the processor, and the output terminal of the controller connects the input of the phase shifter
End, the output terminal of the phase shifter connect the input terminal of the photoelectric converter, the output terminal connection institute of the photoelectric converter
The input terminal of pulse amplifier is stated, the output terminal of the pulse amplifier connects the silicon-controlled input terminal, described silicon-controlled
Output terminal connect the input terminal of second photoisolator, the output terminal connection described second of second photoisolator
The input terminal of analog-digital converter, the output terminal of second analog-digital converter connect the processor, wherein,
The pulse signal that the impulse generator is sent is passed by described silicon-controlled and described first photoisolator respectively
Transport to the processor so that the processor is received by the first via pulse signal of the silicon-controlled transmission, and by institute
State the second road pulse signal of the first photoisolator transmission, and the first via pulse signal and second tunnel pulse
Signal, the abort situation of the thyristor control system is determined according to comparative result.
Optionally, the monitoring device further includes synchronous generator, and the input terminal of the synchronous generator connects
The output terminal of the controller is connect, the output terminal of the synchronous generator connects the input terminal of the processor.
Optionally, the monitoring device further includes display, and the display is electrically connected the processor.
Optionally, the monitoring device further includes alarm, and the alarm is electrically connected the processor.
Optionally, the monitoring device further includes input unit, and the input unit is electrically connected the processor.
Optionally, described silicon-controlled silicon-controlled and second is silicon-controlled including first, described first is silicon-controlled and described second
Controllable silicon in serial connection.
Optionally, described silicon-controlled silicon-controlled and second is silicon-controlled including first, described first is silicon-controlled and described second
Silicon-controlled parallel connection.
The one or more technical solutions provided in the embodiment of the present invention, have at least the following technical effects or advantages：
The pulse signal sent due to the impulse generator in the embodiment of the present application respectively by described silicon-controlled and
First photoisolator is transmitted to the processor so that the processor is received by the first of the silicon-controlled transmission
Road pulse signal, and the second road pulse signal transmitted by first photoisolator, and the first via pulse
Signal and second road pulse signal, the abort situation of the thyristor control system is determined according to comparative result, in this way, making
On-line monitoring silicon controlled rectifier pulse shape must can be realized by analyzing the first via pulse signal and second road pulse signal
State, and trouble point can accurately and timely be reflected according to the comparative result that analysis obtains, shorten breakdown judge and processing time,
Improve work efficiency.
Brief description of the drawings
Fig. 1 is the structure chart of silicon controlled rectifier pulse monitoring device in the embodiment of the present invention；
Fig. 2 is the first structure diagram silicon-controlled in the embodiment of the present invention；
Fig. 3 is silicon-controlled structure diagram corresponding with trigger pulse corresponding with Fig. 2；
Fig. 4 is second of structure diagram silicon-controlled in the embodiment of the present invention；
Fig. 5 is silicon-controlled structure diagram corresponding with trigger pulse corresponding with Fig. 4.
Related mark is as follows in attached drawing：
10 --- impulse generator, 11 --- controller, 12 --- phase shifter, 13 --- photoelectric converter, 14 --- arteries and veins
Rush amplifier, 15 --- it is silicon-controlled, 16 --- the first photoisolator, 17 --- the second photoisolator, 18 --- the first mould
Number converter, 19 --- the second analog-digital converter, 100 --- processor, 101 --- synchronous generator, 102 --- display
Device, 103 --- alarm, 104 --- input unit, 105-the first is controllable, and 106 --- second is silicon-controlled, and 107 --- the 3rd
It is silicon-controlled, 108 --- four is silicon-controlled, and 109 --- the 5th is silicon-controlled, and 110 --- the 6th is silicon-controlled, and 111 --- impulse generator,
112 --- impulse generator, 113 --- impulse generator, 114 --- impulse generator, 115 --- impulse generator,
116 --- impulse generator,
Embodiment
The embodiment of the present invention can realize on-line monitoring silicon controlled rectifier pulse by providing a kind of silicon controlled rectifier pulse monitoring device
State, accurately and timely reflects trouble point, shortens breakdown judge and processing time, improves work efficiency.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Referring to Fig. 1, a kind of silicon controlled rectifier pulse monitoring device, including impulse generator 10, controller 11, phase shifter 12, light
Electric transducer 13, pulse amplifier 14, silicon-controlled 15, first photoisolator 16, the second photoisolator 17, the first modulus turn
Parallel operation 18, the second analog-digital converter 19 and processor 100, wherein, the output terminal of impulse generator 10 connects controller 11 respectively
With the first photoisolator 16, wherein, the output terminal of the first photoisolator 16 connects the input terminal of the first analog-digital converter 18,
The output terminal connection processing device 100 of first analog-digital converter 18, the input terminal of the output terminal connection phase shifter 12 of controller 11, is moved
The input terminal of the output terminal connection photoelectric converter 13 of phase device 12, the output terminal connection pulse amplifier 14 of photoelectric converter 13
Input terminal, the output terminal of pulse amplifier 14 connect silicon-controlled 15 input terminal, and silicon-controlled 15 output terminal connects the second photoelectricity
The input terminal of isolator 17, the output terminal of the second photoisolator 17 connect the input terminal of the second analog-digital converter 19, the second mould
The output terminal connection processing device 100 of number converter 19, wherein,
The pulse signal that impulse generator 10 is sent respectively by silicon-controlled 15 and first photoisolator 16 be transmitted to place
Manage device 100 so that processor 100 is received by silicon-controlled 15 first via pulse signals transmitted, and by the first Phototube Coupling
The second road pulse signal that device 16 transmits, and the first via pulse signal and second road pulse signal, according to than
Relatively result determines the abort situation of the thyristor control system.
Specifically, processor 100 can be specifically the electronic equipments such as microcontroller, process chip, the processor is to carry
Memory, it can store and query history records；Further, impulse generator 10 is used to send pulse signal so that pulse
Curb first photoisolator 16 and the first analog-digital converter 18 in signal are transmitted to process chip 100, so that place
Reason device 100 receives the first via pulse signal；Another way is put along controller 11, phase shifter 12, photoelectric converter 13, pulse
Big device 14, silicon-controlled 15, second photoisolator 17 and the second analog-digital converter 19 are transmitted to processor 100, so that place
Reason device 100 receives second road pulse signal.
Specifically, the first photoisolator 16 is connected with impulse generator 10, its effect is that impulse generator 10 is sent
Pulse signal carry out Phototube Coupling sampling, then sampled signal is converted into digital signal through the first analog-digital converter 18, then pass
Processor 100 is transported to, forms the first via pulse signal.
Specifically, the second photoisolator 17 is connected with silicon-controlled 15, it is trigger pulse letter to silicon-controlled 15 that it, which is acted on,
Number Phototube Coupling sampling is carried out, then through the second analog-digital converter 19, sampled signal is converted into digital signal, then be transmitted to processing
Device 100, forms second road pulse signal.
Specifically, after processor 100 receives the first via pulse signal and second road pulse signal, due to
The first via pulse signal is to carry out being directly transferred to processor 100 after isolation sampling by the first photoisolator 16,
So as to ensure the problem of first via pulse signal is not in pulse missing, and then it ensure that the first via pulse
The reliability and accuracy of signal, the then first via pulse signal and second road pulse signal, if comparing knot
Fruit shows that second road pulse signal is fewer than the quantity of the first via pulse signal, then can determine second tunnel pulse
There is pulse missing problem in signal；If the comparative result shows that the first via pulse signal is believed with second tunnel pulse
Number quantity it is identical, and the silicon-controlled electric voltage exception for being output to load can then determine the silicon-controlled failure.It is described silicon-controlled
When being output to the electric voltage exception of load, protection act and alarm signal are sent by the protective device in electric system.
Further, if the comparative result characterizes the corresponding first waveform of first via pulse signal and second tunnel
The phase margin of corresponding second waveform of pulse signal is more than a threshold value, then can determine it is described it is silicon-controlled there is failure, wherein,
The threshold value for example can be 2%, 3%, 4%, 5% equivalent, can be according to actually determining；If the comparative result shows institute
It is identical with the quantity of second road pulse signal to state first via pulse signal, but waveform difference is smaller, i.e., and described phase margin is not
More than the threshold value, then it can determine that pulse missing problem does not occur yet in silicon-controlled no break down, so so that
On-line monitoring silicon controlled rectifier pulse state, and energy can be realized according to the first via pulse signal and second road pulse signal
It is enough accurately and timely to reflect trouble point, shorten breakdown judge and processing time, improve work efficiency.
Specifically, the silicon controlled rectifier pulse monitoring device further includes synchronous generator 101, synchronous generator
The output terminal of 101 input terminal connection controller 100, the input of the output terminal connection processing device 100 of synchronous generator 101
End, its effect is that synchronizing signal is supplied to processor 100, and first analog-digital converter 18, the second modulus are turned by processor 100
The signal that parallel operation 19 and synchronous generator 101 input is analyzed and processed, so that by the first via pulse signal and institute
State the second road pulse signal and synchronize processing, further improve the accuracy of the comparative result.
Specifically, the silicon controlled rectifier pulse monitoring device further includes display 102,102 electrically connected processing device of display
100, for showing the first via pulse signal and second road pulse signal, it is additionally operable to the basis of video-stream processor 100
The handling result and its relevant historical record that the comparative result is handled, display 102 for example can be that LED is shown
The equipment such as device, LCD display.
Specifically, the silicon controlled rectifier pulse monitoring device further includes alarm 103,103 electrically connected processing device of alarm
100, alarm 103 is used for the number that the first via pulse signal and second road pulse signal are shown in the comparative result
When measuring different, alarm signal is sent, such as alarm in the form of acousto-optic, wireless telecommunications etc..
Specifically, the silicon controlled rectifier pulse monitoring device further includes input unit 104,104 electrical connection part of input unit
Device 100 is managed, for operating the silicon controlled rectifier pulse monitoring device, can be used for selecting the display content on display 102 and look into
See historical record etc., input unit 104 such as can with keyboard equipment.
Specifically, referring to Fig. 2, silicon-controlled 15 can be one or more, lower mask body by taking silicon-controlled 15 be 4 as an example,
Silicon-controlled 15 include the first silicon-controlled 105, second silicon-controlled 106, the the 3rd silicon-controlled 107 and the 4th silicon-controlled 108 of series connection, the
One silicon-controlled 105, second silicon-controlled 106, the the 3rd silicon-controlled 107 and the 4th silicon-controlled 108 is sequentially connected in series, and first is silicon-controlled
105 input terminal is connected with the output terminal of pulse amplifier 14, the 4th silicon-controlled 108 output terminal and the second photoisolator 17
Input terminal connection.
Specifically, referring to Fig. 3, equally by taking silicon-controlled 15 be 4 as an example, silicon-controlled 15 is silicon-controlled including in parallel first
105th, the second silicon-controlled 106, the the 3rd silicon-controlled 107 and the 4th silicon-controlled 108, first silicon-controlled 105, second silicon-controlled 106,
Three silicon-controlled 107 and the 4th silicon-controlled 108 is in parallel so that the first silicon-controlled 105, second silicon-controlled 106, the 3rd silicon-controlled 107
It is connected with each silicon-controlled input terminal in the 4th silicon-controlled 108 with the output terminal of pulse amplifier 14, and each
Silicon-controlled output terminal is connected with the input terminal of the second photoisolator 17, so that second road pulse signal includes 4
Group pulse signal, the 4 group pulse signal include what is formed by the signal that impulse generator 10 is sent by first silicon-controlled 105
First group pulse signal, by the signal that impulse generator 10 is sent by second silicon-controlled 106 formed the second group pulse signal,
By the signal that impulse generator 10 is sent by the 3rd silicon-controlled 107 the 3rd group pulse signal formed and by impulse generator 10
The signal sent is one due to silicon-controlled to be used in series by the 4th silicon-controlled 108 the 4th group pulse signal formed
Trigger pulse is after pulse amplifying, while triggering four is silicon-controlled.
Specifically, in the detection device of the present invention, such as the first photoisolator 16, the first analog-digital converter 18, the
Two photoisolators 17, the second analog-digital converter 19, are also provided with multigroup, its quantity is identical with silicon-controlled quantity used
, so that processor 100 can receive 4 group pulse signals.
Equally by taking silicon-controlled 15 be 4 as an example, silicon-controlled 15 include the first silicon-controlled 105, second silicon-controlled 106, the 3rd
Silicon-controlled 107 and the 4th silicon-controlled 108, first silicon-controlled 105, second silicon-controlled 106, the 3rd silicon-controlled 107 and the 4th are controllable
Silicon 108 is in parallel so that every in the first silicon-controlled 105, second silicon-controlled 106, the the 3rd silicon-controlled 107 and the 4th silicon-controlled 108
One silicon-controlled input terminal is connected with the output terminal of pulse amplifier 14, and each silicon-controlled output terminal and the second light
The input terminal connection of electric isolator 17, so that second road pulse signal includes 4 group pulse signals, 4 group pulse
Signal include by the signal that impulse generator 10 is sent by first silicon-controlled 105 formed the first group pulse signal, by pulse
What the signal that generator 10 is sent was sent by the second group pulse signal of the second silicon-controlled 106 formation, by impulse generator 10
Signal by the 3rd it is silicon-controlled 107 formed the 3rd group pulse signal and can by the 4th by the signal that impulse generator 10 is sent
Control the 4th group pulse signal that silicon 108 is formed.
Specifically, referring to Fig. 4, lower mask body by it is silicon-controlled be 6 exemplified by, silicon-controlled 15 include first silicon-controlled 105, the
Two silicon-controlled 106, the 3rd silicon-controlled 107, the 4th silicon-controlled 108, the the 5th silicon-controlled 109 and the 6th silicon-controlled 110, wherein, often
One silicon-controlled to be connected with an impulse generator respectively, each silicon-controlled output terminal with the second photoisolator 17
Input terminal connects；So that each it is silicon-controlled can generate set of pulses signal so that processor 100 can receive 6 groups of arteries and veins
Rush signal so that the silicon controlled rectifier pulse monitoring device can be monitored multiple pulse signals.
Specifically, referring to Fig. 5, first silicon-controlled 105 it is corresponding with impulse generator 111, for receiving pulse generation
The pulse signal that device 111 is sent, its output terminal are connected with the input terminal of the second photoisolator 17, for generating the 5th group pulse
Signal；Second silicon-controlled 106 corresponding with impulse generator 112, the pulse letter sent for receiving impulse generator 112
Number, its output terminal is connected with the input terminal of the second photoisolator 17, for generating the 6th group pulse signal；3rd is silicon-controlled
107 corresponding with impulse generator 113, the pulse signal sent for receiving impulse generator 113, its output terminal and second
The input terminal connection of photoisolator 17, for generating the 7th group pulse signal；4th silicon-controlled 108 and impulse generator
114 correspondence, the pulse signal sent for receiving impulse generator 114, its output terminal are defeated with the second photoisolator 17
Enter end connection, for generating the 8th group pulse signal；5th silicon-controlled 109 it is corresponding with impulse generator 115, for receiving
The pulse signal that impulse generator 115 is sent, its output terminal are connected with the input terminal of the second photoisolator 17, for generating the
Nine group pulse signals；6th silicon-controlled 110 it is corresponding with impulse generator 116, send for receiving impulse generator 116
Pulse signal, its output terminal are connected with the input terminal of the second photoisolator 17, for generating the tenth group pulse signal；So that
Obtain processor 100 and receive the five, the six, the seven, the eight, the 9th and the tenth group pulse signal so that processor 100 is also
Impulse generator 111, impulse generator 112, impulse generator 113, impulse generator 114, pulse generation can synchronously be received
6 groups of synchronizing signals that device 115 and impulse generator 116 are sent by synchronous generator, so can analyze described 6 groups it is same
Signal and the five, the six, the seven, the eight, the 9th and the tenth group pulse signal are walked, can be realized online according to analysis result
Silicon controlled rectifier pulse state is monitored, and can accurately and timely reflect trouble point, shortens breakdown judge and processing time, improves work
Efficiency.
The one or more technical solutions provided in the embodiment of the present invention, have at least the following technical effects or advantages：
The pulse signal sent due to the impulse generator in the embodiment of the present application respectively by described silicon-controlled and
First photoisolator is transmitted to the processor so that the processor is received by the first of the silicon-controlled transmission
Road pulse signal, and the second road pulse signal transmitted by first photoisolator, and the first via pulse
Signal and second road pulse signal, the abort situation of the silicon controlled rectifier pulse monitoring device are determined according to comparative result, such as
This so that by analyzing the first via pulse signal and second road pulse signal, it can realize that on-line monitoring is silicon-controlled
Pulse condition, and trouble point can accurately and timely be reflected according to the comparative result that analysis obtains, shorten breakdown judge and place
The time is managed, improves work efficiency.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (7)
1. a kind of silicon controlled rectifier pulse monitoring device, it is characterised in that including impulse generator, controller, phase shifter, opto-electronic conversion
Device, pulse amplifier, silicon-controlled, the first photoisolator, the second photoisolator, the first analog-digital converter, the second modulus turn
Parallel operation and processor, wherein, the pulse signal that first photoisolator sends impulse generator carries out Phototube Coupling and adopts
Sample, the output terminal of the impulse generator connect the controller and first photoisolator respectively, wherein, described first
The output terminal of photoisolator connects the input terminal of first analog-digital converter, and the output terminal of first analog-digital converter connects
The processor is connect, the output terminal of the controller connects the input terminal of the phase shifter, the output terminal connection of the phase shifter
The input terminal of the photoelectric converter, the output terminal of the photoelectric converter connects the input terminal of the pulse amplifier, described
The output terminal of pulse amplifier connects the silicon-controlled input terminal, the silicon-controlled output terminal connect second photoelectricity every
From the input terminal of device, wherein, second photoisolator carries out Phototube Coupling sampling, institute to silicon-controlled start pulse signal
The output terminal for stating the second photoisolator connects the input terminal of second analog-digital converter, second analog-digital converter it is defeated
Outlet connects the processor, wherein,
The pulse signal that the impulse generator is sent is transmitted to by described silicon-controlled and described first photoisolator respectively
The processor so that the processor is received by the first via pulse signal of the silicon-controlled transmission, and by described
Second road pulse signal of one photoisolator transmission, and the first via pulse signal and second tunnel pulse letter
Number, the abort situation of the controllable system on silicon is determined according to comparative result.
2. monitoring device as claimed in claim 1, it is characterised in that the monitoring device further includes synchronous generator,
The input terminal of the synchronous generator connects the output terminal of the controller, and the output terminal of the synchronous generator connects
Connect the input terminal of the processor.
3. monitoring device as claimed in claim 2, it is characterised in that the monitoring device further includes display, the display
Device is electrically connected the processor.
4. monitoring device as claimed in claim 3, it is characterised in that the monitoring device further includes alarm, the alarm
Device is electrically connected the processor.
5. monitoring device as claimed in claim 4, it is characterised in that the monitoring device further includes input unit, described defeated
Enter device and be electrically connected the processor.
6. monitoring device as claimed in claim 5, it is characterised in that described silicon-controlled silicon-controlled and second is controllable including first
Silicon, the described first silicon-controlled and described second controllable silicon in serial connection.
7. monitoring device as claimed in claim 5, it is characterised in that described silicon-controlled silicon-controlled and second is controllable including first
Silicon, the described first silicon-controlled and described second silicon-controlled parallel connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510153985.6A CN104764989B (en) | 2015-04-02 | 2015-04-02 | A kind of silicon controlled rectifier pulse monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510153985.6A CN104764989B (en) | 2015-04-02 | 2015-04-02 | A kind of silicon controlled rectifier pulse monitoring device |
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| CN104764989A CN104764989A (en) | 2015-07-08 |
| CN104764989B true CN104764989B (en) | 2018-05-01 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124172B (en) * | 2017-05-12 | 2021-01-22 | 重庆大全泰来电气有限公司 | Thyristor trigger circuit |
| CN109116208A (en) * | 2018-06-28 | 2019-01-01 | 武汉钢铁有限公司 | A kind of device for fast detecting of power module |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5836169A (en) * | 1981-08-28 | 1983-03-03 | Fuji Electric Co Ltd | Monitoring device for thyristor |
| CN1202616C (en) * | 2003-07-02 | 2005-05-18 | 西安大唐电信有限公司 | High frequency clock pulse loss monitoring detection circuit with low frequency clock |
| CN201805233U (en) * | 2010-09-01 | 2011-04-20 | 湖南大学 | High-voltage SVC (static var compensator) control panel based on DSP (digital signal processor) |
| CN202351354U (en) * | 2011-12-14 | 2012-07-25 | 武汉钢铁(集团)公司 | Controlled silicon detecting device |
| CN204168262U (en) * | 2014-04-28 | 2015-02-18 | 株洲科瑞变流电气有限公司 | Rectifier and trigger pulse detecting equipment |
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