CN109962611A - A kind of high-lying electronic plate and its control method for high altitude localities - Google Patents
A kind of high-lying electronic plate and its control method for high altitude localities Download PDFInfo
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- CN109962611A CN109962611A CN201711335491.5A CN201711335491A CN109962611A CN 109962611 A CN109962611 A CN 109962611A CN 201711335491 A CN201711335491 A CN 201711335491A CN 109962611 A CN109962611 A CN 109962611A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/22—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/06—Circuits specially adapted for rendering non-conductive gas discharge tubes or equivalent semiconductor devices, e.g. thyratrons, thyristors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
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Abstract
The present invention proposes a kind of high-lying electronic plate and its control method for high altitude localities, comprising: logical circuit and the power monitor circuit being connected respectively with logical circuit, voltage detection circuit, light-receiving circuit, light emitting circuit, trigger circuit and the standby trigger circuit in parallel with trigger circuit.This invention simplifies the trigger circuits of High aititude TE plate, securely and reliably, are suitble to use in High aititude adverse circumstances.
Description
Technical field
The present invention relates to flexible AC transmission fields, and in particular to a kind of high-lying electronic plate for high altitude localities and its
Control method.
Background technique
In general, electric system is high-power and the requirement of high voltage in order to meet, the thyristor in device is all to go here and there simultaneously
What connection used.Due to element tolerance overvoltage ability fragility inherently, dv/dt, di/dt ability to bear are poor the features such as, be
Guarantee the safety of valve, the reliability service of system, series valve system requirements trigger pulse has preferable consistency, in favor of string
It is connected while thyristor in connection valve, mitigates the electric stress that single thyristor is born.Meanwhile it also requiring to the working condition of valve
Realize on-line monitoring, it is desirable that the operating parameter of valve is passed to monitoring system, to understand the operation conditions of valve in real time.
In short, for any a set of power electronic equipment, for reliable, the safe operation of device, triggering and on-line monitoring
System all plays very important effect.Wherein, thyristor controlled series compensation is as follows to the requirement that trigger circuit is basic:
1) potential isolation of high potential valve and ground potential control system is realized；
2) enough trigger energies are provided and guarantee that thyristor is open-minded simultaneously in valve group；
3) it avoids issuing trigger signal when thyristor bears negative pressure；
4) guarantee the constant conduction of valve in the multiple zero passage of electric current；
5) single safety of the thyristor valve in the case where losing trigger signal in series thyristor is protected；
6) insensitive to electromagnetic interference, and avoid interference other equipment.
Currently, in the world the trigger circuit of thyristor controlled series compensation be widely used high pressure take can, photoelectricity triggering mode, valve group with
It is connected completely by optical fiber between control system, there is preferable Electro Magnetic Compatibility and good insulation characterisitic.The tie of this connection
Commonly referred to as TE (Thyristor Electronic) plate, since TE plate and thyristor are at hot side, also referred to as
High-lying electronic plate.TE plate is connected between thyristor major loop and valve base electronic device, it plays intermediate tie in systems
Effect.
Since TE plate and thyristor valve are in same current potential, special working environment and high reliability request determine that it sets
The difficult point of meter.Thyristor valve is electronically activated system and is located at hot side, and locating electromagnetic environment is more severe, one side power transmission line
High current, the high field intensity on road can cause biggish electromagnetic interference to the system of being electronically activated, on the other hand, thyristor valve high-speed switch
Process can also generate a large amount of strong electromagnetic.In the lower area of height above sea level, the calorific value of TE plate can be by cross-ventilation quickly
It dissipates, electromagnetic interference also can be carried out effective shielding.But in high altitude localities, rarefaction of air, radiating condition is poor, thyristor valve exists
It is serious by electromagnetic interference when work.
Accordingly, it is desirable to provide a kind of technical solution solves the anti-interference and heating problem of TE plate.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of high-lying electronic plates and its control method for high altitude localities.
A kind of high-lying electronic plate for high altitude localities, comprising: logical circuit and be connected respectively with logical circuit
Power monitor circuit, voltage detection circuit, light-receiving circuit, light emitting circuit, trigger circuit and it is in parallel with trigger circuit after
Standby trigger circuit；Power monitor circuit is used to monitor the operating voltage state signal of high-lying electronic plate, and is sent to logical circuit；
Generating positive and negative voltage variable condition signal of the voltage detection circuit for thyristor two sides in detecting and controlling system, and be sent to logic and return
Road；Light-receiving circuit is used to the pulse signal of valve base electronic device being converted to the first optical signal, and is sent to logical circuit；It patrols
Circuit is collected for being patrolled after handling operating voltage state signal, generating positive and negative voltage variable condition signal and the first optical signal
Collect signal；Light emitting circuit is for reporting the fault-signal of logical signal and thyristor to control system；Trigger circuit is equipped with
Three-stage amplifier, trigger circuit export amplified second trigger signal for receiving the first trigger signal, complete to control
The triggering of gate circuit transistor gate in system processed；Standby trigger circuit is equipped with adjustable resistance, and adjustable resistance is for changing valve end high voltage
Detected value.
Light-receiving circuit, further includes: power conversion chip U1；The input terminal of power conversion chip U1 respectively with power supply and
One end of six capacitor C14 is connected, the output end of power conversion chip U1 respectively with the second port of optical signal receiving terminal X3, the
One end of seven capacitor C15 and the 8th capacitor C16 is connected, the other end of the 6th capacitor C14, the 7th capacitor C15 and the 8th capacitor C16
Ground connection；6th port of optical signal receiving terminal X3 input optical signal one end with the 4th resistance R42 and the 9th capacitor C48 respectively
It is connected, remaining port ground connection of optical signal receiving terminal X3；Another termination 3.3V voltage of 4th resistance R42, the 9th capacitor C48
The other end ground connection.
Voltage detection circuit, comprising: the 5th resistance R36, the first triode Q13, the second zener diode being sequentially connected in series
D18, the 6th resistance R34 and third diode D27；The anode of the base stage of first triode Q13 and the second zener diode D18 point
It is not connected with one end of the cathode of the 4th diode D30, the tenth capacitor C20 and the 7th resistance R33, the 4th diode D30 is just
The other end of pole, the tenth capacitor C20 and the 7th resistance R33 is grounded；Positive one end of third diode D27 respectively with the 8th resistance
One end of R40 and the 9th resistance R14 are connected, and the other end of the 9th resistance R14 is connected with the cathode of third diode D27, and the 8th
The other end of resistance R40 is grounded, and the both ends of the 8th resistance R40 are parallel with the 5th diode D20；5th resistance R36 and the one or three
The inter-collector of pole pipe Q13 is equipped with the instrument connection TP5 for valve body potentiometric detection point.
Trigger circuit, comprising: five branches parallel with one another, wherein three-stage amplifier is followed successively by the 8th branch, the 9th
Branch and the tenth branch: the 6th road is equipped with concatenated tenth resistance R81 and the 11st capacitor C23, the 11st capacitor C23's
One end receives trigger signal；7th road is equipped with third voltage-stabiliser tube V226；8th road is equipped with the 11st be sequentially connected in series
Resistance R82, the second triode V228, twelfth resistor R83 and the 4th diode V229, the base stage of the second triode V228 and the
The cathode of three voltage-stabiliser tube V226 is connected, the cathode ground connection of the 4th diode V229；9th road is equipped with the third being sequentially connected in series
Triode V232, thirteenth resistor R86 and the 5th diode V230, the base stage of third transistor V232 and the second triode V228
Collector be connected, the cathode of the 5th diode V230 ground connection；Tenth road is equipped with concatenated 14th resistance R87 and the 4th
Triode V234, the 4th triode V234 are connected with the anode of the 6th diode V236 and the 7th diode V246 respectively, and the 4th
The cathode of the base stage of triode V234 and the 6th diode V236 are connected with the collector of third transistor V232.
Light emitting circuit, comprising: three branches parallel with one another；14th road has been sequentially connected in series the 20th resistance
R54, the 21st resistance R56 and the 7th triode Q17, the base stage of the 7th triode Q17 respectively with the 22nd resistance R59 and
One end of 23rd resistance R62 is connected, the emitter of the 7th triode Q17 and the other end ground connection of the 23rd resistance R62；
15th road is sequentially connected in series the side of the 8th triode Q16, the 24th resistance R58 and optical signal launch head, and the 8th
The emitter of triode Q16 is connected with one end of the 25th resistance R55, and another termination of the 25th resistance R55 is powered electric
Press VCC；16th road is in series with the other side of the 14th capacitor C39 and optical signal launch head.
High-lying electronic plate further include: the voltage and current for energizing for circuit each in high-lying electronic plate takes can circuit；Voltage
Current energy-taking circuit includes: five branches parallel with one another；The first branch is equipped with concatenated first zener diode V1P and the
One resistance R1P, the both ends of first resistor R1P are parallel with first capacitor C1P；Second branch is equipped with individual event silicon controlled crystal brake pipe
The cathode of V2P, individual event silicon controlled crystal brake pipe V2P are connected through second resistance R2P with the anode of the first zener diode V1P；Third
Branch road is equipped with first diode V3P, and the 4th road is equipped with the magnetic bead L61 and the second capacitor C2 being serially connected, the second capacitor
The both ends C2 are parallel with third capacitor C3, and the second diode V4P is equipped between third branch and the 4th branch, the second diode V4P's
Anode is connected with the cathode of first diode V3P；5th branch is equipped with the 4th capacitor C4 and the 5th capacitor C5 parallel with one another, the
3rd resistor R3 and second magnetic bead L60 of four branches through being sequentially connected in series are connected with the 5th branch.
Standby trigger circuit, comprising: three branches parallel with one another；11st road is equipped with concatenated 8th diode
D26 and the 15th resistance R10, the 8th both ends diode D26 are parallel with the 12nd capacitor C4, and the 15th both ends resistance R10 are in parallel
There is adjustable resistance R19；Twelve earthly branches road is equipped with the 16th resistance R6, the 5th triode Q10 and the 17th resistance being sequentially connected in series
R30, the 17th both ends resistance R30 are parallel with the 13rd capacitor C14；13rd branch is equipped with the 18th resistance being sequentially connected in series
R7, the 6th triode Q7 and the 19th resistance R31, the base stage of the 6th triode Q7 are connected with the collector of the 5th triode Q10,
The base stage of 5th triode Q10 is connected with the collector of the 6th triode Q7 with the cathode of the 4th voltage-stabiliser tube D11, the 4th voltage-stabiliser tube
The emitter of the plus earth of D11, the 6th triode Q7 is connected with the anode of the 9th diode D27, and the 9th diode D27's is negative
Extremely output end；One end of 16th resistance R6 and the 18th resistance R7 is connected with the anode of the 5th voltage-stabiliser tube D23, the 5th pressure stabilizing
The cathode of pipe D23 is connected with the anode of the 6th voltage-stabiliser tube D23, the cathode of the 6th voltage-stabiliser tube D23 and the cathode of the tenth diode D25
It is connected, the anode of the tenth diode D25 connects valve end high voltage signal, and the other end of the 18th resistance R7 is through the 19th resistance R68
It is connected with the cathode of the tenth triode D19, the anode of the tenth triode D19 connects GVCC signal.
First triode Q13, the second triode V228, the 4th triode V234 and the 6th triode Q7 are NPN type；Third
Triode V232, the 5th triode Q10 and the 8th triode Q16 are positive-negative-positive.High-lying electronic plate is encapsulated in sealing aluminum box body
In.
Logical circuit includes: voltage comparator, parallel input/Serial output circuit, Phototube Coupling circuit, the first trigger
Circuit, the second trigger circuit and pulsewidth expand circuit；The input terminal of voltage comparator is connected with power monitor circuit, output end
It is connected with parallel input/Serial output circuit；The input terminal in Phototube Coupling circuit is connected with voltage detection circuit, and Phototube Coupling returns
The output end on road is connected through the first trigger circuit with parallel input/Serial output circuit；Pulsewidth expand circuit input terminal with
Light-receiving circuit is connected, and the output end that pulsewidth expands circuit is connected with trigger circuit；The input terminal and light in the second trigger circuit
It receives circuit to be connected, output end is connected with parallel input/Serial output circuit；The output end in parallel input/Serial output circuit
It is connected with light emitting circuit.
A kind of control method of high-lying electronic plate, comprising: logical circuit includes: voltage comparator, parallel input/serial defeated
Circuit, Phototube Coupling circuit, the first trigger circuit, the second trigger circuit and pulsewidth expand circuit out；Logical circuit receives
The operating voltage state signal of power monitor circuit, will after being compared with reference potential as the input terminal of voltage comparator
The first level signal is exported to access in the parallel input/Serial output circuit；Logical circuit receives voltage detection circuit and sends
Thyristor two sides voltage signal, by Phototube Coupling circuit access the first trigger circuit after, output second electrical level signal connect
Enter in parallel input/Serial output circuit；After logical circuit receives the first optical signal that light-receiving circuit is sent, signal is logical all the way
It crosses after pulsewidth expands circuit and obtains the first trigger signal, another way signal is arrived through the second trigger circuit output third level signal
In parallel input/Serial output circuit；The three tunnel level signals that parallel input/Serial output circuit is collected obtain after processing
Logical signal；Trigger circuit receives the first trigger signal, through three-stage amplifier, exports the second trigger signal, completes to control
The triggering of gate circuit transistor gate in system processed；After light emitting circuit receives logical signal, it is converted into light emission signal and is transmitted to higher level
Control system；When the valve end high voltage of the standby trigger circuit in parallel with trigger circuit is greater than the 4th pressure stabilizing in standby trigger circuit
When the cathode reference voltage of pipe D11, standby trigger circuit valve end over-voltage signal sets height, issues trigger command to trigger circuit, together
When through light emitting circuit reporting fault signal.
When the voltage of test point in power monitor circuit is lower than 3.3V, control system generates reset signal.
When turn on thyristors, valve body potentiometric detection is 0, and trigger circuit stops sending trigger pulse；When thyristor end,
And the voltage of the thyristor two sides is higher than 3.3V, then is determined as negative pressure, is otherwise determined as positive pressure.
Voltage monitoring circuit receives the two-way operating voltage that voltage and current electric energy takes the output of energy circuit.Two-way operating voltage point
It Wei not 5V and 30V.
Compared with the latest prior art, technical solution provided by the invention has the advantages that
1, the voltage detection circuit and standby trigger circuit that the present invention uses are conducive to the maintenance and detection of high altitude localities
Low-frequency interference signal has been isolated in triggering energy consumption, and increased standby trigger circuit effectively enhances the reliability of trigger circuit,
The return circuit that matching design simplifies simultaneously reduces the power consumption of transmitting shaven head；
2, this invention simplifies the trigger circuits of High aititude TE plate, securely and reliably, are suitble to use in High aititude adverse circumstances；
3, high-lying electronic plate of the invention, tool in terms of anti-electromagnetic interference, reducing device heating amount, optimization
There is excellent performance, can satisfy high altitude localities valve body engineering design requirements；
4, the present invention has replaced the relative radiator device of High aititude TE plate, the power consumption of TE plate is effectively reduced, so that TE plate
Calorific value reduces, and leads to rarefaction of air, the working environment of radiating condition difference suitable for High aititude.
Detailed description of the invention
Fig. 1 is TE plate schematic diagram of the invention；
Fig. 2 is the schematic diagram that voltage and current takes energy circuit in TE plate of the present invention；
Fig. 3 is the schematic diagram in light-receiving circuit in TE plate of the present invention；
Fig. 4 is the schematic diagram of voltage detection circuit in TE plate of the present invention；
Fig. 5 is the schematic diagram of trigger circuit in TE plate of the present invention；
Fig. 6 is the schematic diagram of standby trigger circuit in TE plate of the present invention；
Fig. 7 is the schematic diagram in light emitting circuit in TE plate of the present invention；
Fig. 8 is the schematic diagram of logical circuit in TE plate of the present invention.
Specific embodiment
The embodiment of the present invention is described further with reference to the accompanying drawing.
To achieve the above object, method provided by the invention adopts the following technical scheme that:
As shown in Figure 1, the TE plate of high altitude localities proposed by the invention, comprising: the electricity being connected respectively with logical circuit
Source monitoring circuit, voltage detection circuit, light-receiving circuit, light emitting circuit, trigger circuit, standby trigger circuit and voltage electricity
Stream takes can circuit.
1, as shown in Fig. 2, anti-electromagnetic interference takes energy circuit using voltage and current, Absorption Capacitance C1P is designed, is absorbed external high
Frequency interference signal, design magnetic bead L60, L61 further decay external interference signals.
As shown in figure 3, light-receiving circuit at X3 optical signal receiving terminal, increases high-frequency absorption capacitor C48 over the ground, eliminate
VCC is converted to 5V power supply for power conversion chip by high-frequency interferencing signal, U1, is energized for X3 optical signal receiving terminal；In addition, whole
Block circuit board package further completely cuts off spatial electromagnetic interference, it is anti-to be allowed to meet high altitude localities in a sealing aluminum box body
The interference requirement of electromagnetism.
2, mainly reduce the calorific value of device in terms of two: first is that the selection better device of performance, reduces related device and dissipate
Heat；Second is that increasing voltage detection circuit as shown in Figure 4, when turn on thyristors, valve body potentiometric detection is 0, and circuit board stops
Trigger pulse is only sent, triggering energy consumption is greatly reduced, also reduces to the energy supply demand for taking energy circuit, and then reduce the function of TE plate
Consumption and calorific value；Box body is designed simultaneously, enables heating device be close to box body, heat is enable to be dispersed into air rapidly, solves high sea
Pull out the difficult problem of rarefaction of air heat dissipation.
3, using trigger circuit as shown in Figure 5, trigger signal is transmitted to by gate circuit transistor gate by three-stage amplifier,
Ensure trigger signal, design is succinct, is not susceptible to failure；Wherein low-frequency interference signal is isolated in capacitor C23, ensures trigger signal.
Exempt Redundancy Design, is conducive to high altitude localities and repairs and detect.
4, standby trigger circuit as shown in FIG. 6, AR indicate that valve end high voltage detects back in input circuit plate after dividing
Road is compared with D11 cathode reference voltage.Valve conducting failure is indicated when AR input value is excessively high, at this time output end BOD signal
Height is set, BOD signal is in parallel with Fig. 5 trigger signal, directly sending trigger command, while reporting fault signal.
Standby trigger circuit uses design-adjustable, and R19 is designed as adjustable resistance, can be changed by changing R19 resistance value
Become AR detected value size.Using the triode Q10 and Q7 sensitive to signal, have calorific value small, rapid reaction feature is suitable for
High altitude condition.
5, light emitting circuit as shown in Figure 7 will control the collected board state signal of chip, be converted into optical signal biography
It is sent to higher level's control system.It is designed using Q16 and Q17 two-step evolution, reduces error message return；Over-voltage signal is straight without processing
Report is taken back, reduces failure and stalls for time；Optical signal launch logical design is positive pulsed logic simultaneously, that is, to have light be 1, unglazed is
0, while designing return pulse width 10us or so, it is therefore an objective to reduce optical signal launch shaven head power consumption.
6, as shown in figure 8, logical circuit, which receives the operating voltage from power monitor circuit, monitors signal, as voltage ratio
Compared with the input terminal of device, after being compared with reference potential, outputs level signals are accessed in parallel input/Serial output circuit.
The thyristor two sides voltage signal of voltage detection circuit is by Phototube Coupling circuit, will after accessing trigger circuit 1
Outputs level signals access in parallel input/Serial output circuit.First optical signal in light-receiving circuit, signal passes through arteries and veins all the way
After width expands circuit, trigger circuit is sent by the first trigger signal；After another way signal passes through trigger circuit 2, it will export
Level signal accesses in parallel input/Serial output circuit.The three road level letter that last parallel input/Serial output circuit is collected
Number processing after, be sent to light emitting circuit.
Based on the same inventive concept, it the present invention also provides a kind of control method of high-lying electronic plate, is illustrated below.
Its control method includes: that logical circuit includes: voltage comparator, parallel input/Serial output circuit, Phototube Coupling
Circuit, the first trigger circuit, the second trigger circuit and pulsewidth expand circuit；The work of logical circuit reception power monitor circuit
Make voltage state signal, as the input terminal of voltage comparator, after being compared with reference potential, the first level signal will be exported
It accesses in the parallel input/Serial output circuit；Logical circuit receives the thyristor two sides voltage that voltage detection circuit is sent
Signal, after accessing the first trigger circuit by Phototube Coupling circuit, the parallel input of output second electrical level signal access/serial defeated
Out in circuit；After logical circuit receives the first optical signal that light-receiving circuit is sent, after signal expands circuit by pulsewidth all the way
Obtain the first trigger signal, another way signal is through the second trigger circuit output third level signal to parallel input/serially defeated
Out in circuit；The three tunnel level signals that parallel input/Serial output circuit is collected obtain logical signal after processing；It triggers back
Road receives the first trigger signal, through three-stage amplifier, exports the second trigger signal, completes to thyristor gate in control system
The triggering of pole；After light emitting circuit receives logical signal, it is converted into light emission signal and is transmitted to higher level's control system；When with triggering
The valve end high voltage of the standby trigger circuit of circuit parallel connection is greater than the cathode benchmark electricity of the 4th voltage-stabiliser tube D11 in standby trigger circuit
When pressure, standby trigger circuit valve end over-voltage signal sets height, issues trigger command and reports to trigger circuit, while through light emitting circuit
Fault-signal.
When the voltage of test point in power monitor circuit is lower than 3.3V, control system generates reset signal.
When turn on thyristors, valve body potentiometric detection is 0, and trigger circuit stops sending trigger pulse；When thyristor end,
And the voltage of the thyristor two sides is higher than 3.3V, then is determined as negative pressure, is otherwise determined as positive pressure.
Voltage monitoring circuit receives the two-way operating voltage that voltage and current electric energy takes the output of energy circuit.Two-way operating voltage point
It Wei not 5V and 30V.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to the method, equipment (system) and computer program product according to the embodiment of the present application
Flowchart and/or the block diagram describe.It should be understood that flow chart and/or side can be realized by computer program instructions
The combination of the process and/or box in each flow and/or block and flowchart and/or the block diagram in block diagram.It can provide
These computer program instructions are set to the processing of general purpose computer, special purpose computer, Embedded Processor or other programmable datas
Standby processor is to generate a machine, so that being executed by the processor of computer or other programmable data processing devices
Instruction generates specifies for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
Function device.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, institute
The those of ordinary skill in category field can still modify to a specific embodiment of the invention referring to above-described embodiment or
Equivalent replacement, these are applying for this pending hair without departing from any modification of spirit and scope of the invention or equivalent replacement
Within bright claims.
Claims (15)
1. a kind of high-lying electronic plate for high altitude localities characterized by comprising logical circuit and respectively with logic return
The connected power monitor circuit in road, voltage detection circuit, light-receiving circuit, light emitting circuit, trigger circuit and with the triggering
The standby trigger circuit of circuit parallel connection；
The power monitor circuit is used to monitor the operating voltage state signal of the high-lying electronic plate, and is sent to logic and returns
Road；
Generating positive and negative voltage variable condition signal of the voltage detection circuit for thyristor two sides in detecting and controlling system, and send
To logical circuit；
The light-receiving circuit is used to the pulse signal of valve base electronic device being converted to the first optical signal, and is sent to logic and returns
Road；
The logical circuit be used for the operating voltage state signal, generating positive and negative voltage variable condition signal and the first optical signal into
Logical signal is obtained after row processing；
The light emitting circuit is for reporting the fault-signal of logical signal and thyristor to the control system；
The trigger circuit is equipped with three-stage amplifier, and the trigger circuit exports amplification for receiving the first trigger signal
The second trigger signal afterwards completes the triggering to gate circuit transistor gate in the control system；
The standby trigger circuit be equipped with adjustable resistance, the adjustable resistance for changing valve end high voltage detected value.
2. high-lying electronic plate as described in claim 1, which is characterized in that the light-receiving circuit, further includes: power supply converts core
Piece (U1)；
The input terminal of the power conversion chip (U1) is connected with one end of power supply and the 6th capacitor (C14) respectively, the power supply
The output end of conversion chip (U1) respectively with the second port of the optical signal receiving terminal (X3), the 7th capacitor (C15) and
One end of eight capacitors (C16) is connected, the 6th capacitor (C14), the 7th capacitor (C15) and the 8th capacitor (C16)
The other end ground connection；
6th port of optical signal receiving terminal (X3) input optical signal respectively with the 4th resistance (R42) and the 9th capacitor
(C48) one end is connected, remaining port ground connection of the optical signal receiving terminal (X3)；
Another termination 3.3V voltage of 4th resistance (R42), the other end ground connection of the 9th capacitor (C48).
3. high-lying electronic plate as described in claim 1, which is characterized in that the voltage detection circuit, comprising: be sequentially connected in series
5th resistance (R36), the first triode (Q13), the second zener diode (D18), the 6th resistance (R34) and third diode
(D27)；
The anode of the base stage of first triode (Q13) and second zener diode (D18) respectively with the 4th diode
(D30) cathode, the tenth capacitor (C20) is connected with one end of the 7th resistance (R33), the anode of the 4th diode (D30),
The other end of tenth capacitor (C20) and the 7th resistance (R33) ground connection；
Positive one end of the third diode (D27) one end phase with the 8th resistance (R40) and the 9th resistance (R14) respectively
Even, the other end of the 9th resistance (R14) is connected with the cathode of the third diode (D27), the 8th resistance (R40)
The other end ground connection, the both ends of the 8th resistance (R40) are parallel with the 5th diode (D20)；
The inter-collector of 5th resistance (R36) and first triode (Q13) is equipped with for valve body potentiometric detection point
Instrument connection (TP5).
4. high-lying electronic plate as described in claim 1, which is characterized in that the trigger circuit, comprising: parallel with one another five
Branch, wherein the three-stage amplifier is followed successively by the 8th branch, the 9th branch and the tenth branch:
6th road is equipped with concatenated tenth resistance (R81) and the 11st capacitor (C23), the 11st capacitor (C23)
One end receives trigger signal；
7th road is equipped with third voltage-stabiliser tube (V226)；
8th road is equipped with eleventh resistor (R82), the second triode (V228), the twelfth resistor (R83) being sequentially connected in series
With the 4th diode (V229), the cathode phase of the base stage of second triode (V228) and the third voltage-stabiliser tube (V226)
Even, the cathode ground connection of the 4th diode (V229)；
9th road is equipped with third transistor (V232), thirteenth resistor (R86) and the 5th diode being sequentially connected in series
(V230), the base stage of the third transistor (V232) is connected with the collector of second triode (V228), and the described 5th
The cathode of diode (V230) is grounded；
Tenth road is equipped with concatenated 14th resistance (R87) and the 4th triode (V234), the 4th triode
(V234) it is connected respectively with the anode of the 6th diode (V236) and the 7th diode (V246), the 4th triode (V234)
Base stage and the cathode of the 6th diode (V236) be connected with the collector of the third transistor (V232).
5. high-lying electronic plate as described in claim 1, which is characterized in that the light emitting circuit, comprising: parallel with one another three
Branch；
14th road has been sequentially connected in series the 20th resistance (R54), the 21st resistance (R56) and the 7th triode (Q17),
The base stage of 7th triode (Q17) one end phase with the 22nd resistance (R59) and the 23rd resistance (R62) respectively
Even, the emitter of the 7th triode (Q17) and the other end of the 23rd resistance (R62) ground connection；
15th road is sequentially connected in series the one of the 8th triode (Q16), the 24th resistance (R58) and optical signal launch head
The emitter of side, the 8th triode (Q16) is connected with one end of the 25th resistance (R55), the 25th resistance
(R55) another termination supply voltage (VCC)；
16th road is in series with the other side of the 14th capacitor (C39) and the optical signal launch head.
6. high-lying electronic plate as described in claim 1, which is characterized in that the high-lying electronic plate further include: for being described
The voltage and current of each circuit energy supply takes energy circuit in high-lying electronic plate；
It includes: five branches parallel with one another that the voltage and current, which takes energy circuit,；
The first branch is equipped with concatenated first zener diode (V1P) and first resistor (R1P), the first resistor (R1P)
Both ends be parallel with first capacitor (C1P)；
Second branch is equipped with individual event silicon controlled crystal brake pipe (V2P), and the cathode of the individual event silicon controlled crystal brake pipe (V2P) is through second
Resistance (R2P) is connected with the anode of first zener diode (V1P)；
Third branch road is equipped with first diode (V3P), and the 4th road is equipped with the magnetic bead (L61) and the second capacitor being serially connected
(C2), the second capacitor (C2) both ends are parallel with third capacitor (C3), are equipped between the third branch and the 4th branch
The anode of second diode (V4P), second diode (V4P) is connected with the cathode of the first diode (V3P)；
5th branch is equipped with the 4th capacitor (C4) and the 5th capacitor (C5) parallel with one another, and the 4th branch is sequentially connected in series
3rd resistor (R3) and the second magnetic bead (L60) are connected with the 5th branch.
7. high-lying electronic plate as described in claim 1, which is characterized in that the standby trigger circuit, comprising: parallel with one another
Three branches；
11st road is equipped with concatenated 8th diode (D26) and the 15th resistance (R10), the 8th diode
(D26) both ends are parallel with the 12nd capacitor (C4), and the 15th resistance (R10) both ends are parallel with adjustable resistance (R19)；
Twelve earthly branches road is equipped with the 16th resistance (R6), the 5th triode (Q10) and the 17th resistance (R30) being sequentially connected in series,
17th resistance (R30) both ends are parallel with the 13rd capacitor (C14)；
13rd branch is equipped with the 18th resistance (R7), the 6th triode (Q7) and the 19th resistance (R31) being sequentially connected in series, institute
The base stage for stating the 6th triode (Q7) is connected with the collector of the 5th triode (Q10), the 5th triode (Q10)
Base stage is connected with the collector of the 6th triode (Q7) with the cathode of the 4th voltage-stabiliser tube (D11), the 4th voltage-stabiliser tube
(D11) emitter of plus earth, the 6th triode (Q7) is connected with the anode of the 9th diode (D27), and described
The cathode of nine diodes (D27) is output end；
One end of 16th resistance (R6) and the 18th resistance (R7) is connected with the anode of the 5th voltage-stabiliser tube (D23),
The cathode of 5th voltage-stabiliser tube (D23) is connected with the anode of the 6th voltage-stabiliser tube (D23), and the 6th voltage-stabiliser tube (D23) is born
Pole is connected with the cathode of the tenth diode (D25), and the anode of the tenth diode (D25) connects valve end high voltage signal, described
The other end of 18th resistance (R7) is connected through the 19th resistance (R68) with the cathode of the tenth triode (D19), and the described 13rd
The anode of pole pipe (D19) connects GVCC signal.
8. the high-lying electronic plate as described in claim 2-7 is any, which is characterized in that
First triode (Q13), second triode (V228), the 4th triode (V234) and the described 6th 3
Pole pipe (Q7) is NPN type；
The third transistor (V232), the 5th triode (Q10) and the 8th triode (Q16) are positive-negative-positive.
9. high-lying electronic plate as claimed in claim 6, which is characterized in that the high-lying electronic plate is encapsulated in sealing aluminum box body
In.
10. high-lying electronic plate as described in claim 1, which is characterized in that the logical circuit includes: voltage comparator, simultaneously
Row input/Serial output circuit, Phototube Coupling circuit, the first trigger circuit, the second trigger circuit and pulsewidth expand circuit；
The input terminal of the voltage comparator is connected with the power monitor circuit, and output end and the parallel input/serial defeated
Circuit is connected out；
The input terminal in the Phototube Coupling circuit is connected with the voltage detection circuit, the output end warp in the Phototube Coupling circuit
First trigger circuit is connected with the parallel input/Serial output circuit；
The input terminal that the pulsewidth expands circuit is connected with the light-receiving circuit, and the pulsewidth expands output end and the institute in circuit
Trigger circuit is stated to be connected；
The input terminal in second trigger circuit is connected with the light-receiving circuit, and output end and the parallel input/serial
Output loop is connected；
The output end in the parallel input/Serial output circuit is connected with the light emitting circuit.
11. a kind of control method of high-lying electronic plate as described in claim 1 characterized by comprising
Logical circuit includes: voltage comparator, parallel input/Serial output circuit, Phototube Coupling circuit, the first trigger time
Road, the second trigger circuit and pulsewidth expand circuit；
The logical circuit receives the operating voltage state signal of power monitor circuit, the input as the voltage comparator
After being compared with reference potential, the first level signal of output is accessed in the parallel input/Serial output circuit for end；
The logical circuit receives the thyristor two sides voltage signal that voltage detection circuit is sent, and passes through the Phototube Coupling circuit
After accessing first trigger circuit, output second electrical level signal is accessed in the parallel input/Serial output circuit；
After the logical circuit receives the first optical signal that light-receiving circuit is sent, signal expands circuit by the pulsewidth all the way
After obtain the first trigger signal, another way signal is through second trigger circuit output third level signal to described defeated parallel
Enter/Serial output circuit in；
The three tunnel level signals that the parallel input/Serial output circuit is collected obtain logical signal after processing；
The trigger circuit receives first trigger signal, through three-stage amplifier, exports the second trigger signal, completion pair
The triggering of gate circuit transistor gate in control system；
After the light emitting circuit receives the logical signal, it is converted into light emission signal and is transmitted to higher level's control system；
When the valve end high voltage of the standby trigger circuit in parallel with the trigger circuit is greater than the 4th in the standby trigger circuit
When the cathode reference voltage of voltage-stabiliser tube (D11), the standby trigger circuit valve end over-voltage signal sets height, issues trigger command to institute
Trigger circuit is stated, while through the light emitting circuit reporting fault signal.
12. control method as claimed in claim 11, which is characterized in that when the voltage of test point in the power monitor circuit
When lower than 3.3V, the control system generates reset signal.
13. control method as claimed in claim 11, which is characterized in that
When the turn on thyristors, valve body potentiometric detection is 0, and the trigger circuit stops sending trigger pulse；
When thyristor cut-off, and the voltage of the thyristor two sides is higher than 3.3V, then is determined as negative pressure, otherwise determines to be positive
Pressure.
14. control method as claimed in claim 11, which is characterized in that the voltage monitoring circuit receives voltage and current electric energy
Take the two-way operating voltage of energy circuit output.
15. control method as claimed in claim 14, which is characterized in that the two-way operating voltage is respectively 5V and 30V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335491.5A CN109962611A (en) | 2017-12-14 | 2017-12-14 | A kind of high-lying electronic plate and its control method for high altitude localities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711335491.5A CN109962611A (en) | 2017-12-14 | 2017-12-14 | A kind of high-lying electronic plate and its control method for high altitude localities |
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| Publication Number | Publication Date |
|---|---|
| CN109962611A true CN109962611A (en) | 2019-07-02 |
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ID=67017599
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711335491.5A Pending CN109962611A (en) | 2017-12-14 | 2017-12-14 | A kind of high-lying electronic plate and its control method for high altitude localities |
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| CN (1) | CN109962611A (en) |
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| CN105743218A (en) * | 2016-01-21 | 2016-07-06 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | DC project electrically-triggered thyristor backup trigger system and monitoring method thereof |
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| CN1688107A (en) * | 2005-04-20 | 2005-10-26 | 中国电力科学研究院 | Thyrister valve photoelectric triger plate for stationary reactive power compensator |
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