CN208174361U - Anti-misoperation locking circuit and automatic power distribution system - Google Patents
Anti-misoperation locking circuit and automatic power distribution system Download PDFInfo
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- CN208174361U CN208174361U CN201820362351.0U CN201820362351U CN208174361U CN 208174361 U CN208174361 U CN 208174361U CN 201820362351 U CN201820362351 U CN 201820362351U CN 208174361 U CN208174361 U CN 208174361U
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Abstract
The utility model discloses a kind of anti-misoperation locking circuits, including control processing module, block signal generation module and lock modules, controlling processing module includes control signal output, block signal generation module includes Programmable detection unit and logical unit, logical unit includes reset detection end, power detecting end, program singal input terminal and block signal output end, and lock modules include control signal input, block signal input terminal and the control terminal for controlling the work of performer drive module；Programmable detection unit is connect with program singal input terminal.Correspondingly, the invention also discloses two kinds of automatic power distribution systems.Block signal in the utility model bears module when detecting the system failure of power supply decompression, system reset and program abnormal running, lock modules control performer drive module stops working, realize automatic blocking performer, it prevents breaker from missing separating brake or false switching, improves the reliability and stability of automatic power distribution system.
Description
Technical field
The utility model relates to power automation Control Technique of Microcomputer field more particularly to anti-misoperation locking circuit and automatically match
Electric system.
Background technique
Control Technique of Microcomputer is the controller using microcomputer as electromechanical integration, in conjunction with the work of microcomputer
Principle and Interface design, corresponding to control hardware and software and their cooperation, one for realizing the control to control object
Technology is widely used in the fields such as electric power, petrochemical industry, mine smelting, railway and civil buildings.In automatic power distribution system,
Signal acquisition module acquires real time data, and collected real time data is sent to control processor (single-chip microcontroller), wherein real
When data include remote signalling amount, telemetering amount and remote control amount etc., control processor is receiving telecommand or is detecting electric current mistake
When the events such as load, brownout occur, issues control signal and give performer drive module, performer drive module is according to upper
It states control signal driving performer to power on, the breaker for carrying out final driving switch cabinet carries out separating brake or combined floodgate, realizes line
The power failure or power transmission on road, to realize automatic distribution.
With economic rapid development, in order to meet the needs of all trades and professions, the control circuit in electric system is increasingly
The case where complexity, the catastrophic failure that interference control processor works normally in system is also opposite to increase.In automatic power distribution system,
There are mainly three types of the system failures for interfering control processor to work normally：Power supply decompression, system reset and program fleet etc. draw
The CPU program abnormal running risen.Control processor can export performer drive module by the interference of above system failure
The control signal of mistake causes performer to carry out the operation of mistake, misses separating brake or false switching so as to cause breaker, generates tight
The accident of weight, less serious case's equipment damage cause large area blackout, and severe one will lead to staff's electric shock casualty accident.
Summary of the invention
Technical problem to be solved by the utility model is to provide a kind of anti-misoperation locking circuit and automatic power distribution system,
When there is the system failure of power supply decompression, system reset and program abnormal running, automatic blocking performer, prevents open circuit
Device misses separating brake or false switching, improves the reliability and stability of automatic power distribution system.
In order to solve the above-mentioned technical problem, in a first aspect, the utility model provides a kind of anti-misoperation locking circuit, including
Processing module, block signal generation module and lock modules are controlled, the control processing module includes the power supply for being connected to power supply
Input terminal, the reset signal input terminal for connecting reseting module and control signal output, the block signal generation module
Including Programmable detection unit and logical unit, the logical unit includes reset detection end, power detecting end, program
Signal input part and block signal output end, the lock modules include control signal input, block signal input terminal and use
In the control terminal of control performer drive module work；
Described program detection unit is connect with the control processing module and described program signal input part respectively, described multiple
Position signal input part is connect with the reset detection end, and the power input is connect with the power detecting end, the locking
Signal output end is connect with the block signal input terminal, and the control signal input and the control signal output connect
It connects.
Further, the control processing module includes the first level output end and second electrical level output end, described program
Detection unit includes the first level detection end, second electrical level test side and program singal output end；
First level output end is connect with first level detection end, the second electrical level output end and described the
The connection of two level detection ends, described program detection unit pass through the journey of described program signal output end and the logical unit
The connection of sequential signal input terminal.
Further, described program detection unit further includes first resistor, second resistance, the first nor gate, second or non-
Door, third nor gate, four nor gate and the 5th nor gate；
The first end of the first resistor is connected to power supply, and the second end of the first resistor is first level detection
End, the second input terminal of the first input end of first nor gate and first nor gate with the first resistor the
The connection of two ends, the first end ground connection of the second resistance, the second end of the second resistance is the second electrical level test side, institute
Second end of second input terminal of the first input end and second nor gate of stating the second nor gate with the second resistance
Connection, the second input terminal of the first input end of the third nor gate and the third nor gate with first nor gate
Output end connection, the output end of the third nor gate connect with the first input end of the four nor gate, the described 4th
Second input terminal of nor gate is connect with the output end of second nor gate, the first input end of the 5th nor gate and institute
The second input terminal for stating the 5th nor gate is connect with the output end of the four nor gate, the output end of the 5th nor gate
For described program signal output end.
Further, the logical unit further include 3rd resistor, the 6th nor gate, the 7th nor gate, the 8th or
NOT gate, the 9th nor gate, the tenth nor gate and the 11st nor gate；
The first input end of 6th nor gate is the reset detection end, the first input end of the 6th nor gate
It is connect with the second input terminal of the 6th nor gate, the first end ground connection of the 3rd resistor, the second of the 3rd resistor
End is the power detecting end, the second input terminal of the first input end of the 7th nor gate and the 7th nor gate with
The second end of the 3rd resistor connects, and the output end of the 6th nor gate and the first input end of the 8th nor gate connect
It connecing, the second input terminal of the 8th nor gate is connect with the output end of the 7th nor gate, and the of the 9th nor gate
Second input terminal of one input terminal and the 9th nor gate is connect with the output end of the 8th nor gate, the described 9th or
The output end of NOT gate is connect with the second input terminal of the tenth nor gate, and the first input end of the tenth nor gate is program
Signal input part, the second input terminal of the first input end of the 11st nor gate and the 11st nor gate with it is described
The output end of tenth nor gate connects, and the output end of the 11st nor gate is block signal output end.
Further, the lock modules further include the 12nd nor gate, the first input end of the 12nd nor gate
For the control signal input, the second input terminal of the 12nd nor gate is the block signal input terminal, described the
The output end of 12 nor gates is the control terminal.
In second aspect, the lock modules have M, wherein M >=2；
The control signal of the control signal output and the M lock modules of the control processing module is defeated
Enter end connection, the block signal output end of the block signal generation module and the locking of the M lock modules
Signal input part connection.
Anti-misoperation locking circuit provided by the utility model, control processing module send control signal to lock modules, simultaneously
The Programmable detection unit of block signal generation module detects the running state of programs of control processing module, and will test
Program singal be sent to logical unit, logical unit detects power supply signal by power detecting end, passes through reset
Reset signal is detected in test side, receives program singal by program singal input terminal, and carry out logical operation to above-mentioned signal,
When detecting power supply decompression, system reset and program abnormal running, logical unit generates block signal and believes locking
Number it is sent to lock modules.When lock modules do not receive block signal, according to the control signal of control processing module transmission
Drive control is carried out to performer drive module；When lock modules receive block signal, lock modules pass through control terminal
It sends and stops driving control signal, to be latched performer, realize power supply decompression, system reset and program occur non-just
Automatic blocking performer when the system failure often run prevents breaker from missing separating brake or false switching, improves automatic power distribution system
Reliability and stability.
Correspondingly, the utility model additionally provides a kind of automatic power distribution system, including signal acquisition module, anti-misoperation locking electricity
Road, performer drive module and performer；
The anti-misoperation locking circuit is the anti-misoperation locking circuit as described in aforementioned first aspect；
The signal acquisition module is connect with the control processing module of the anti-misoperation locking circuit, the anti-misoperation locking
The control terminal of the lock modules of circuit is connect with the performer drive module, the performer drive module
It is connect with the performer.
Further, the performer is relay.
The utility model additionally provides another automatic power distribution system, including signal acquisition module, anti-misoperation locking circuit, M
A performer drive module and M performer；
The anti-misoperation locking circuit is the anti-misoperation locking circuit as described in aforementioned second aspect；
The signal acquisition module is connect with the control processing module of the anti-misoperation locking circuit, the anti-misoperation locking
The control terminal of the M lock modules of circuit connects one to one with the M performer drive module, the M
A performer drive module connects one to one with the M performer.
Further, the performer is relay.
Automatic power distribution system provided by the utility model, signal acquisition module acquire real time data and will be collected real-time
Data are sent to control processing module, when control processing module is receiving telecommand or detection by signal acquisition module
When occurring to events such as current overload, brownouts, control signal is issued to lock modules；While block signal generation module
The program singal that Programmable detection unit is detected to the running state of programs of control processing module, and be will test, which is sent to, patrols
Arithmetic element is collected, logical unit detects power supply signal by power detecting end, reset signal is detected by reset detection end,
Program singal is received by program singal input terminal, and logical operation is carried out to above-mentioned signal, is detecting power supply decompression, system
When resetting with program abnormal running, logical unit generates block signal and block signal is simultaneously sent to lock modules.When
When lock modules do not receive block signal, according to control processing module send control signal to performer drive module into
Row drive control, driving performer power on, and the breaker for carrying out final driving switch cabinet carries out separating brake or combined floodgate, realize certainly
Dynamic distribution；When lock modules receive block signal, lock modules are sent by control terminal stops driving control signal, control
Performer stops driving work, to be latched performer, realizes power supply decompression, system reset and program occur non-just
Automatic blocking performer when the system failure often run prevents breaker from missing separating brake or false switching, improves automatic power distribution system
Reliability and stability.
Detailed description of the invention
Fig. 1 is a kind of circuit block diagram of one embodiment of anti-misoperation locking circuit provided by the utility model；
Fig. 2 is a kind of circuit diagram of one embodiment of anti-misoperation locking circuit provided by the utility model；
Fig. 3 is a kind of circuit diagram of second embodiment of anti-misoperation locking circuit provided by the utility model；
Fig. 4 is the circuit diagram of one embodiment of the first automatic power distribution system provided by the utility model；
Fig. 5 is the circuit diagram of one embodiment of second of automatic power distribution system provided by the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
It is a kind of circuit block diagram of one embodiment of anti-misoperation locking circuit provided by the utility model referring to Fig. 1.
The utility model provides a kind of anti-misoperation locking circuit, including control processing module 1,2 and of block signal generation module
Lock modules 3, control processing module 1 include the power input vi for being connected to power supply VCC, the reset for connecting reseting module
Signal input part rst and control signal output a, block signal generation module 2 include that Programmable detection unit 201 and logic are transported
Unit 202 is calculated, logical unit 202 includes reset detection end b, power detecting end c, program singal input terminal d and locking letter
Number output end e, lock modules 3 include control signal input g, block signal input terminal f and for controlling performer driving
The control terminal ctr of module work；
Programmable detection unit 201 is connect with control processing module 1 and program singal input terminal d respectively, reset signal input
End rst is connect with reset detection end b, and power input vi is connect with power detecting end c, and block signal output end e and locking are believed
Number input terminal f connection, control signal input g are connect with control signal output a.
In the specific implementation, control processing module 1 is defeated by the control signal of control signal output a to lock modules 3
Enter to hold g to send control signal, while the journey of 201 pairs of the Programmable detection unit of block signal generation module 2 control processing modules 1
Sort run state is detected, and the program singal that will test is sent to logical unit 202；Logical unit 202
Power supply signal is detected by power detecting end end c, reset signal is detected by reset detection end b, passes through program singal input terminal d
Program singal is received, and logical operation is carried out to above-mentioned signal, when detecting power supply decompression, system reset and the improper fortune of program
When row, logical unit 202 generates block signal, and is sent to the block signal by block signal output end e and closes
The block signal input terminal f of lock module 3.When lock modules 3 do not receive block signal, sent according to control processing module 1
Control signal to performer drive module carry out drive control, when lock modules 3 receive block signal, lock modules
3, which send stopping driving control signal by control terminal ctr, realizes to be latched performer and power supply decompression, system is occurring
Automatic blocking performer when resetting the system failure with program abnormal running prevents breaker from missing separating brake or false switching, mentions
The reliability and stability of high automatic power distribution system.
Referring to fig. 2, be a kind of anti-misoperation locking circuit provided by the utility model one embodiment circuit diagram.
As shown in Fig. 2, the control processing module 1 includes the first level output end PA1 and second electrical level output end PA2, Programmable detection
Unit 201 includes the first level detection end P1, second electrical level test side P2 and program singal output end h；
First level output end PA1 is connect with the first level detection end P1, and second electrical level output end PA2 and second electrical level are examined
End P2 connection is surveyed, Programmable detection unit 201 is inputted by program singal output end h and the program singal of logical unit 202
Hold d connection.
It should be noted that control processing module 1 is logical when the program for controlling processing module 1 is in normal operating condition
It crosses the first level output end PA1 and exports the first level signal, second electrical level signal is exported by second electrical level output end PA2, when
When Programmable detection unit 201 is detected simultaneously by the first level signal and second electrical level signal, then decision procedure normal operation, and lead to
Cross the program singal of program singal output end h output program normal operation；Conversely, then decision procedure abnormal running, and pass through
The program singal of program singal output end h output program abnormal running.Wherein, control processing module 1 is single-chip microcontroller.First electricity
Flat output end PA1 and second electrical level output end PA2 is the output pin of controller general I/O.
Further, Programmable detection unit 201 further includes first resistor R1, second resistance R2, the first nor gate U1, second
Nor gate U2, third nor gate U3, four nor gate U4 and the 5th nor gate U5；
The first end of first resistor R1 is connected to power supply VCC, and the second end of first resistor R1 is the first level detection end P1,
The second input terminal of the first input end of first nor gate U1 and the first nor gate U1 are connect with the second end of first resistor R1,
The first end of second resistance R2 is grounded, and the second end of second resistance R2 is second electrical level test side P2, and the of the second nor gate U2
The second input terminal of one input terminal and the second nor gate U2 are connect with the second end of second resistance R2, and the of third nor gate U3
The second input terminal of one input terminal and third nor gate U3 are connect with the output end of the first nor gate U1, third nor gate U3
Output end connect with the first input end of four nor gate U4, the second input terminal of four nor gate U4 and the second nor gate U2
Output end connection, the second input terminal of the first input end of the 5th nor gate U5 and the 5th nor gate U5 with four nor gate
The output end of U4 connects, and the output end of the 5th nor gate U5 is program singal output end h.
It should be noted that the first nor gate U1, the second nor gate U2, third nor gate U3, four nor gate U4 and
Five nor gate U5 form logic circuit, and the level signal only detected as the first level detection end P1 is low level signal, and second
When the level signal that level detection end P2 is detected is high level signal, program singal output end h outputs level signals are low electricity
Ordinary mail number, otherwise program singal output end h outputs level signals are high level signal.Wherein, when the program of control processing module 1
When normal operation, control processing module 1 exports low level signal by the first level output end PA1, is exported by second electrical level
PA2 is held to export high level signal, therefore when controlling the normal program operation of processing module 1, program singal output end h output is low
Level signal.
Further, logical unit 202 further includes 3rd resistor R3, the 6th nor gate U6, the 7th nor gate U7,
Eight nor gate U8, the 9th nor gate U9, the tenth nor gate U10 and the 11st nor gate U11；
The first input end of 6th nor gate U6 is reset detection end b, the first input end and the 6th of the 6th nor gate U6
The second input terminal of nor gate U6 connects, and the first end ground connection of 3rd resistor R3, the second end of 3rd resistor R3 is power detecting
Hold c, the second end of the first input end of the 7th nor gate U7 and the second input terminal of the 7th nor gate U7 with 3rd resistor R3
Connection, the output end of the 6th nor gate U6 are connect with the first input end of the 8th nor gate U8, and the second of the 8th nor gate U8 is defeated
Enter end to connect with the output end of the 7th nor gate U7, the second of the first input end of the 9th nor gate U9 and the 9th nor gate U9 is defeated
Enter end to connect with the output end of the 8th nor gate U8, the second of the output end of the 9th nor gate U9 and the tenth nor gate U10 is defeated
Enter end connection, the first input end of the tenth nor gate U10 is program singal input terminal d, and the first of the 11st nor gate U11 is defeated
Enter end to connect with the output end of the tenth nor gate U10 with the second input terminal of the 11st nor gate U11, the 11st nor gate
The output end of U11 is block signal output end e.
It should be noted that the 6th nor gate U6, the 7th nor gate U7, the 8th nor gate U8, the 9th nor gate U9, the tenth
Nor gate U10 and the 11st nor gate U11 forms logic circuit, only when program singal input terminal d incoming level signal is low electricity
Ordinary mail number, power detecting end c incoming level signal are high level signal, and reset detection end b incoming level signal is high level letter
Number when, block signal output end e outputs level signals be low level signal, otherwise block signal output end e export high level letter
Number.Wherein, when controlling the normal program operation of processing module 1, program singal input terminal d input low level signal；Work as control
When the power input vi normal power supply of processing module, power detecting end c input high level signal, after resetting successfully, control
Processing module 1 is used to connect the reset signal input terminal rst input high level signal of reseting module, and reset detection end inputs at this time
High level signal.
Further, lock modules 3 further include the 12nd nor gate U12, and the first input end of the 12nd nor gate U12 is
The second input terminal of control signal input g, the 12nd nor gate u12 are block signal input terminal f, the 12nd nor gate U12
Output end be control terminal ctr.
It should be noted that work as the control signal input g input low level signal of lock modules 3, block signal input
When holding f input low level signal, control terminal ctr exports high level signal and carries out driving behaviour to control performer drive module
Make.
Wherein, aforementioned nor gate (U1-U12) is all made of the nor gate of same structure signal, guarantees the consistent of operating parameter
Property, further improve circuit reliability of operation.Anti-error close is constituted by simple nor gate device and control processing module
Lock circuit, circuit structure is simple, at low cost, versatile.
It is a kind of circuit diagram of second embodiment of anti-misoperation locking circuit provided by the utility model referring to Fig. 3.
As shown in figure 3, lock modules have M, wherein M >=2；
Control the control signal output a of processing module 1 and the control signal input of M lock modules (31-3M)
(g1-gM) it connects, the block signal output end e of block signal generation module 2 and the locking of M lock modules (31-3M) are believed
The connection of number input terminal (f1-fM).
In the specific implementation, the block signal input terminal (f1-fM) of M lock modules (31-3M) receives locking letter
After number, is sent by respective control terminal (ctr1-ctrM) and stop driving signal, control corresponding performer drive module
It stops working；When not receiving block signal, M lock modules (31-3M) is according to the control signal being respectively received to right
The performer drive module answered carries out drive control.
Referring to fig. 4, be the first automatic power distribution system provided by the utility model one embodiment circuit diagram.
The utility model provides a kind of automatic power distribution system, including signal acquisition module 4, anti-misoperation locking circuit 5, actuator
Part drive module 6 and performer 7；
Anti-misoperation locking circuit 5 is a kind of the anti-error of one embodiment of anti-misoperation locking circuit provided by the utility model
Exclusive circuit；
Signal acquisition module 4 is connect with the control processing module 1 of anti-misoperation locking circuit 5, the locking of anti-misoperation locking circuit 5
The control terminal ctr of module 3 is connect with performer drive module 6, and performer drive module 6 is connect with performer 7.
When it is implemented, signal acquisition module 4 acquires real time data and collected real time data is sent at control
Module 1 is managed, wherein real time data includes remote signalling amount, telemetering amount and remote control amount etc., when control processing module 1 passes through signal acquisition mould
When block 4 receives telecommand or detects that the events such as current overload, brownout occur, issues control signal and give locking mould
Block 3；The running state of programs of 201 pairs of Programmable detection unit control processing modules 1 of block signal generation module 2 is examined simultaneously
It surveys, and the program singal that will test is sent to logical unit 202, logical unit 202 is examined by power detecting end c
Power supply signal is surveyed, reset signal is detected by reset detection end b, program singal is received by program singal input terminal d, and to upper
It states signal and carries out logical operation, when detecting power supply decompression, system reset and program abnormal running, logical unit
202 generate block signal, and the block signal is sent to the block signal of lock modules 3 by block signal output end e
Input terminal g.When lock modules 3 do not receive block signal, the control signal sent according to control processing module 1 is to actuator
Part drive module 6 carries out drive control, and when lock modules 3 receive block signal, lock modules 3 are sent out by control terminal ctr
Stopping driving control signal being sent, control performer drive module 6 stops driving work to be realized to be latched performer 7
When there is the system failure of power supply decompression, system reset and program abnormal running, automatic blocking performer, prevents open circuit
Device misses separating brake or false switching, improves the reliability and stability of automatic power distribution system.
Further, the performer 7 is relay.Wherein, the performer can also use insulated gate bipolar
Transistor npn npn.
It is the circuit diagram of one embodiment of second of automatic power distribution system provided by the utility model referring to Fig. 5.
The utility model additionally provides another automatic power distribution system, including signal acquisition module 4, anti-misoperation locking circuit 5, M execution
Device drive module (61-6M) and M performer (71-7M)；
Anti-misoperation locking circuit 5 is the anti-misoperation locking electricity of second embodiment of anti-misoperation locking circuit provided by the utility model
Road；
Signal acquisition module 4 is connect with the control processing module 1 of anti-misoperation locking circuit 5, and M of anti-misoperation locking circuit 5 close
The control terminal (ctr1-ctrM) of lock module (31-3M) connects one to one with M performer drive module (61-6M),
M performer drive module (61-6M) connects one to one with M performer (71-7M).
When it is implemented, signal acquisition module 4 acquires real time data and collected real time data is sent at control
Module 1 is managed, wherein real time data includes remote signalling amount, telemetering amount and remote control amount etc., when control processing module 1 passes through signal acquisition mould
When block 4 receives telecommand or detects that the events such as current overload, brownout occur, control signal is issued to corresponding
Lock modules (31-3M)；The program of 201 pairs of Programmable detection unit control processing modules 1 of block signal generation module 2 simultaneously
Operating status is detected, and the program singal that will test is sent to logical unit 202, and logical unit 202 is logical
Power supply monitoring end c detection power supply signal is crossed, reset signal is detected by reset detection end b, is received by program singal input terminal d
Program singal, and logical operation is carried out to above-mentioned signal, when detecting power supply decompression, system reset and program abnormal running
When, logical unit 202 generates block signal, and the block signal is sent to M by block signal output end e and is closed
The block signal input terminal (f1-fM) of lock module (31-3M).When lock modules (31-3M) do not receive block signal,
Drive control is carried out to corresponding performer drive module (61-6M) according to the control signal that control processing module 1 is sent,
When lock modules (31-3M) receive block signal, lock modules (31-3M) are sent by control terminal (ctr1-ctrM)
Stop driving control signal, control performer drive module (61-6M) stops driving work, to be latched performer
(71-7M) realizes the automatic blocking when there is the system failure of power supply decompression, system reset and program abnormal running and holds
Row device prevents breaker from missing separating brake or false switching, improves the reliability and stability of automatic power distribution system.
Further, the M performer (71-7M) is relay.Wherein, the M performer (71-
It can also 7M) use insulated gate bipolar transistor.
Anti-misoperation locking circuit and automatic power distribution system provided by the utility model, control processing module are sent to lock modules
Signal is controlled, while the Programmable detection unit of block signal generation module examines the running state of programs of control processing module
It surveys, and the program singal that will test is sent to logical unit, logical unit detects power supply by power detecting end
Signal, by reset detection end detect reset signal, by program singal input terminal receive program singal, and to above-mentioned signal into
Row logical operation, when detecting power supply decompression, system reset and program abnormal running, logical unit generates locking letter
Number and block signal is sent to lock modules.When lock modules do not receive block signal, according to control processing module hair
The control signal sent carries out drive control to performer drive module；When lock modules receive block signal, it is latched mould
Block is sent by control terminal stops driving control signal, to be latched performer, realizes power supply decompression, system occur multiple
Automatic blocking performer when the system failure of position and program abnormal running, prevents breaker from missing separating brake or false switching, improves
The reliability and stability of automatic power distribution system.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (10)
1. a kind of anti-misoperation locking circuit, which is characterized in that including control processing module, block signal generation module and locking mould
Block, the control processing module include the power input for being connected to power supply, the reset signal input for connecting reseting module
End and control signal output, the block signal generation module include Programmable detection unit and logical unit, described to patrol
Collecting arithmetic element includes reset detection end, power detecting end, program singal input terminal and block signal output end, the locking mould
Block includes control signal input, block signal input terminal and the control terminal for controlling the work of performer drive module；
Described program detection unit is connect with the control processing module and described program signal input part respectively, the reset letter
Number input terminal is connect with the reset detection end, and the power input is connect with the power detecting end, the block signal
Output end is connect with the block signal input terminal, and the control signal input is connect with the control signal output.
2. anti-misoperation locking circuit as described in claim 1, which is characterized in that the control processing module includes that the first level is defeated
Outlet and second electrical level output end, described program detection unit include the first level detection end, second electrical level test side and program
Signal output end；
First level output end is connect with first level detection end, the second electrical level output end and second electricity
Flat test side connection, described program detection unit are believed by the program of described program signal output end and the logical unit
The connection of number input terminal.
3. anti-misoperation locking circuit as claimed in claim 2, which is characterized in that described program detection unit further includes the first electricity
Resistance, second resistance, the first nor gate, the second nor gate, third nor gate, four nor gate and the 5th nor gate；
The first end of the first resistor is connected to power supply, and the second end of the first resistor is first level detection end,
Second input terminal of the first input end of first nor gate and first nor gate with the first resistor second
End connection, the first end ground connection of the second resistance, the second end of the second resistance is the second electrical level test side, described
Second input terminal of the first input end of the second nor gate and second nor gate connects with the second end of the second resistance
Connect, the second input terminal of the first input end of the third nor gate and the third nor gate with first nor gate
Output end connection, the output end of the third nor gate connect with the first input end of the four nor gate, the described 4th or
Second input terminal of NOT gate is connect with the output end of second nor gate, the first input end of the 5th nor gate and described
Second input terminal of the 5th nor gate is connect with the output end of the four nor gate, and the output end of the 5th nor gate is
Described program signal output end.
4. anti-misoperation locking circuit as described in claim 1, which is characterized in that the logical unit further includes third electricity
Resistance, the 6th nor gate, the 7th nor gate, the 8th nor gate, the 9th nor gate, the tenth nor gate and the 11st nor gate；
The first input end of 6th nor gate is the reset detection end, the first input end of the 6th nor gate and institute
The second input terminal connection of the 6th nor gate, the first end ground connection of the 3rd resistor are stated, the second end of the 3rd resistor is
Second input terminal of the power detecting end, the first input end of the 7th nor gate and the 7th nor gate with it is described
The second end of 3rd resistor connects, and the output end of the 6th nor gate is connect with the first input end of the 8th nor gate,
Second input terminal of the 8th nor gate is connect with the output end of the 7th nor gate, and the first of the 9th nor gate is defeated
The second input terminal for entering end and the 9th nor gate is connect with the output end of the 8th nor gate, the 9th nor gate
Output end connect with the second input terminal of the tenth nor gate, the first input end of the tenth nor gate is program singal
Second input terminal of input terminal, the first input end of the 11st nor gate and the 11st nor gate is with the described tenth
The output end of nor gate connects, and the output end of the 11st nor gate is block signal output end.
5. anti-misoperation locking circuit as described in claim 1, which is characterized in that the lock modules further include the 12nd or non-
The first input end of door, the 12nd nor gate is the control signal input, and the second of the 12nd nor gate is defeated
Entering end is the block signal input terminal, and the output end of the 12nd nor gate is the control terminal.
6. such as anti-misoperation locking circuit described in any one of claim 1 to 5, which is characterized in that the lock modules have M,
In, M >=2；
The control signal output of the control processing module and the control signal input of the M lock modules
Connection, the block signal output end of the block signal generation module and the block signal of the M lock modules
Input terminal connection.
7. a kind of automatic power distribution system, which is characterized in that including signal acquisition module, anti-misoperation locking circuit, performer driving
Module and performer；
The anti-misoperation locking circuit is such as anti-misoperation locking circuit described in any one of claim 1 to 5；
The signal acquisition module is connect with the control processing module of the anti-misoperation locking circuit, the anti-misoperation locking circuit
The control terminals of the lock modules connect with the performer drive module, the performer drive module and institute
State performer connection.
8. automatic power distribution system as claimed in claim 7, which is characterized in that the performer is relay.
9. a kind of automatic power distribution system, which is characterized in that driven including signal acquisition module, anti-misoperation locking circuit, M performer
Dynamic model block and M performer；
The anti-misoperation locking circuit is anti-misoperation locking circuit as claimed in claim 6；
The signal acquisition module is connect with the control processing module of the anti-misoperation locking circuit, the anti-misoperation locking circuit
The control terminals of the M lock modules connect one to one with the M performer drive module, the M are held
Row device drive module connects one to one with the M performer.
10. automatic power distribution system as claimed in claim 9, which is characterized in that the performer is relay.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362351.0U CN208174361U (en) | 2018-03-16 | 2018-03-16 | Anti-misoperation locking circuit and automatic power distribution system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820362351.0U CN208174361U (en) | 2018-03-16 | 2018-03-16 | Anti-misoperation locking circuit and automatic power distribution system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336824A (en) * | 2018-03-16 | 2018-07-27 | 珠海康晋电气股份有限公司 | Anti-misoperation locking circuit and automatic power distribution system |
| CN110445101A (en) * | 2019-08-07 | 2019-11-12 | 上海思源弘瑞自动化有限公司 | A kind of breaker centralized control equipment and breaker miss separating brake guard method |
-
2018
- 2018-03-16 CN CN201820362351.0U patent/CN208174361U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336824A (en) * | 2018-03-16 | 2018-07-27 | 珠海康晋电气股份有限公司 | Anti-misoperation locking circuit and automatic power distribution system |
| CN110445101A (en) * | 2019-08-07 | 2019-11-12 | 上海思源弘瑞自动化有限公司 | A kind of breaker centralized control equipment and breaker miss separating brake guard method |
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