CN206759153U - A kind of backup auto-activating device for possessing self-diagnostic function - Google Patents
A kind of backup auto-activating device for possessing self-diagnostic function Download PDFInfo
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- CN206759153U CN206759153U CN201720504916.XU CN201720504916U CN206759153U CN 206759153 U CN206759153 U CN 206759153U CN 201720504916 U CN201720504916 U CN 201720504916U CN 206759153 U CN206759153 U CN 206759153U
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Abstract
The utility model discloses and provides a kind of automatic throw-in equipment of emergency power supply with self-diagnostic function, it is operated in including in multichannel automatic closing runback circuit system, the input that can automatically switch when the current supply circuit being currently running has a power failure for some reason keeps normal power supply into another live conductor road, it includes isolation coupling detection circuit, CPU processor circuit, sound circuit, communicating circuit, switching value terminal, relay outputs terminal, keyboard, real-time clock, liquid crystal display, power circuit, the CPU processor circuit includes CPU and connected A/D analog to digital conversion circuits, D/A D/A converting circuits, program storage area, serial port, store definite value area, timer, RAM static memories, interrupt control unit, I/O input/output ports.The utility model is a kind of convenient, intelligent from feeding device, the manual maloperation for avoiding tester from being likely to occur, and saves manually, substantially increases operating efficiency and economic benefit.
Description
Technical field
The utility model is related to high pressure power transmission and distribution field of power distribution, more particularly in high pressure power transmission and distribution it is electric after transmission line of electricity dead electricity
Source automatically engages the device to restore electricity.
Background technology
With the fast development of China's economy, power load constantly increases, and more and more higher is required to power supply reliability.
Some important electric substations cause to power because main inlet wire failure tripping main switch or main switch false tripping will cause full institute's decompression
Interrupt, enterprise's production and residential electricity consumption is all normally carried out, have influence on the socio-economic development of locality.And stand-by power supply is certainly
The extensive use of dynamic feeding device, solves problems, and it is able to detect that after the tripping operation of higher level's line fault or false tripping
Automatically engage live conductor road, fast recovery of power supply.In power distribution network, automatic switching device of standby power supply mainly include 10kV and
0.4kV automatic switching device of standby power supply.Under normal circumstances in automatic switching device of standby power supply mother be in be divided to two sections of position bus list
Solely power supply.When a certain power failure, mother is put into by automatic switching device of standby power supply, takes this section of bus load out of.It is standby
Automatic bus primary connection mode can be divided into bright standby and dark standby two ways, according to mainly there is four kinds of typical case sides in electric substation
Formula:1. bridge switch prepared auto restart, 2. inlet wire prepared auto restarts, 3. transformer prepared auto restarts, 4. block switch prepared auto restarts.In order to ensure that power supply can
By property, ensure that prepared auto restart can be acted correctly, backup auto-activating device, which is tested, just becomes particularly important.For certainly in checkout procedure
That throws opens into signal, voltage signal, outputs signal, and current signal is required to standby certainly from corresponding incoming line cabinet lead to installation respectively
Corresponding function input side can be subjected to prepared auto restart experiment after progress wiring on the high-voltage board of throwing.But in the debugging of prepared auto restart
Cheng Zhong, often because construction party or debugging side are unfamiliar with because of wiring error or to backup power automatic switching function, function will not be put into, or even be connected
The flow also reason such as unclear is debugged, so as to lead to not complete debugging.Coordinate commissioning staff the requirement height with operating, success
The low efficiency and accuracy for greatly influenceing debugging of rate.In order to reduce to commissioning staff's debugging and the requirement of wiring ability, provide
A kind of accurate, convenient, quick, intelligent device, make it to reduce the debugging threshold of prepared auto restart, avoid tester from being likely to occur
Artificial manual maloperation, improve success of the test rate, effectively reduce tester's quantity, avoid doing over again, it is highly desirable research and development one
Automatic throw-in equipment of emergency power supply of the kind with self-diagnostic function.
The content of the invention
Technical problem to be solved in the utility model is overcome the deficiencies in the prior art, provides a kind of band self-diagnostic function
Automatic throw-in equipment of emergency power supply.
Technical scheme is used by the utility model:It is operated in including multichannel automatic closing runback circuit system
In, the input that can automatically switch when the current supply circuit being currently running has a power failure for some reason keeps normal power supply into another live conductor road,
It includes isolation coupling detection circuit, CPU processor circuit, sound circuit, communicating circuit, switching value terminal, relay and outputed
Terminal, keyboard, real-time clock, liquid crystal display, power circuit, the CPU processor circuit include CPU and connected
A/D analog to digital conversion circuits, D/A D/A converting circuits, program storage area, serial port, storage definite value area, timer, RAM static state are deposited
Reservoir, interrupt control unit, I/O input/output ports, the A/D analog to digital conversion circuits connection isolation coupling detect the defeated of circuit
Go out end, the D/A D/A converting circuits connect the sound circuit, and the serial port connects the communicating circuit, and the I/O is defeated
Enter the delivery outlet connection switching value terminal, relay outputs terminal, keyboard, real-time clock, liquid crystal display, the power supply electricity
Road is independent power autonomous, and the power circuit provides working power for present apparatus each several part.The isolation coupling detection circuit
Involve signal conditioning circuit, the multiple transformer including analog quantity terminal, multiple transformers and multiple corresponding resistance, low pass filtered
In the once end of each transformer connect each terminal in the analog quantity terminal, the secondary terminals of each transformer in the multiple transformer
The input that the low pass filtered involves signal conditioning circuit is connected after the adaptation corresponding resistance in parallel, the low pass filtered involves letter
The output end of number modulate circuit connects the A/D analog to digital conversion circuits, the corresponding adaptation connection of each terminal in the analog quantity terminal
Each signal tested point in the multichannel automatic closing runback circuit system.
The communicating circuit includes photoelectric isolating circuit I and RS485, the RS485 by the photoelectric isolating circuit I with
The serial port connection.
The sound circuit includes circuit for signal conditioning and buzzer, and the buzzer is connected by the circuit for signal conditioning
Connect the D/A D/A converting circuits.
The switching value terminal is connected by photoelectric isolating circuit II with the I/O input/output ports.
The relay output terminal connection relay tip, the relay coil by photoelectric isolating circuit III with
The I/O input/output ports connection.
The beneficial effects of the utility model are:Due to the utility model, it is operated in including multichannel automatic closing runback
In circuit system, the input that can automatically switch when the current supply circuit being currently running has a power failure for some reason is kept just into another live conductor road
Often power supply, it includes isolation coupling detection circuit, CPU processor circuit, sound circuit, communicating circuit, switching value terminal, relay
Device outputs terminal, keyboard, real-time clock, liquid crystal display, power circuit, and the CPU processor circuit includes CPU and therewith phase
A/D analog to digital conversion circuits, D/A D/A converting circuits, program storage area, serial port, storage definite value area, timer, the RAM of connection
Static memory, interrupt control unit, I/O input/output ports, the A/D analog to digital conversion circuits connection isolation coupling detection electricity
The output end on road, the D/A D/A converting circuits connect the sound circuit, and the serial port connects the communicating circuit, institute
State the I/O input/output ports connection switching value terminal, relay outputs terminal, keyboard, real-time clock, liquid crystal display, institute
It is independent power autonomous to state power circuit, and the power circuit provides working power for present apparatus each several part.The isolation coupling
Detection circuit includes analog quantity terminal, multiple transformers and multiple corresponding resistance, low pass filtered and involves signal conditioning circuit, described more
The once end of each transformer connects each terminal in the analog quantity terminal in individual transformer, each transformer in the multiple transformer
The in parallel corresponding resistance of secondary terminals adaptation after connect the input that the low pass filtered involves signal conditioning circuit, the low pass
The output end of filtering and signal conditioning circuit connects the A/D analog to digital conversion circuits, and each terminal is corresponding in the analog quantity terminal
Adaptation connects each signal tested point in the multichannel automatic closing runback circuit system.The communicating circuit include photoelectricity every
From circuit I and RS485, the RS485 is connected by the photoelectric isolating circuit I with the serial port.The sound circuit bag
Circuit for signal conditioning and buzzer are included, the buzzer connects the D/A D/A converting circuits by the circuit for signal conditioning.
The switching value terminal is connected by photoelectric isolating circuit II with the I/O input/output ports.The relay outputs terminal company
Contact relay contact, the relay coil are connected by photoelectric isolating circuit III with the I/O input/output ports.So this
Utility model can automatically switch to put into when the current supply circuit of operation has a power failure for some reason keeps normal power supply into another live conductor road,
With Autonomous test, certainly self diagnosis, excision, certainly input function, it is effectively reduced to commissioning staff's debugging and the requirement of wiring ability,
It is a kind of accurate, convenient, quick, intelligent from feeding device, reduces the debugging threshold of prepared auto restart equipment, avoid tester
The artificial manual maloperation being likely to occur, improves success of the test rate, effectively reduces tester's quantity, avoids doing over again, significantly
Improve operating efficiency and economic benefit.
Brief description of the drawings
Fig. 1 is the utility model structural principle block diagram;
Fig. 2 is that the utility model automatic throw-in equipment of emergency power supply hauls oneself willingly into runback circuit diagram.
Embodiment
As shown in Figure 1 to Figure 2, the utility model it be operated in including in multichannel automatic closing runback circuit system,
The input that can automatically switch when the current supply circuit being currently running has a power failure for some reason keeps normal power supply into another live conductor road, and it is wrapped
Include isolation coupling detection circuit, CPU processor circuit, sound circuit, communicating circuit, switching value terminal, relay output terminal,
Keyboard, real-time clock, liquid crystal display, power circuit, the CPU processor circuit include CPU and connected A/D moulds
Number change-over circuits, D/A D/A converting circuits, program storage area, serial port, storage definite value area, timer, RAM static memories,
Interrupt control unit, I/O input/output ports, the output end of the A/D analog to digital conversion circuits connection isolation coupling detection circuit,
The D/A D/A converting circuits connect the sound circuit, and the serial port connects the communicating circuit, and the I/O inputs are defeated
Outlet connects the switching value terminal, relay outputs terminal, keyboard, real-time clock, liquid crystal display, and the power circuit is
Independent power autonomous, the power circuit provides working power for present apparatus each several part.
The isolation coupling detection circuit includes analog quantity terminal, multiple transformers and multiple corresponding resistance, LPF
And signal conditioning circuit, the once end of each transformer connects each terminal in the analog quantity terminal, institute in the multiple transformer
State and connect the low pass filtered after the in parallel corresponding resistance of secondary terminals adaptation of each transformer in multiple transformers and involve signal tune
The input of circuit is managed, the output end that the low pass filtered involves signal conditioning circuit connects the A/D analog to digital conversion circuits, described
The corresponding adaptation of each terminal connects each signal tested point in the multichannel automatic closing runback circuit system in analog quantity terminal.
The communicating circuit includes photoelectric isolating circuit I and RS485, the RS485 by the photoelectric isolating circuit I with
The serial port connection.
The sound circuit includes circuit for signal conditioning and buzzer, and the buzzer is connected by the circuit for signal conditioning
Connect the D/A D/A converting circuits.
The switching value terminal is connected by photoelectric isolating circuit II with the I/O input/output ports.
The relay output terminal connection relay tip, the relay coil by photoelectric isolating circuit III with
The I/O input/output ports connection.
In the present embodiment, the self diagnosis backup auto-activating device power input terminal accesses external input voltage, the autodiagnosis
Disconnected backup auto-activating device switching value terminal correctly accesses first switch position signalling respectively, and second switch position signal, the 3rd opens
Off position signal, the self diagnosis backup auto-activating device relay outputs terminal, and correctly the tripping operation of the first breaker of access is returned respectively
Road, the closing circuit of the first breaker, the trip(ping) circuit of the second breaker, the closing circuit of the second breaker, the 3rd breaker
Trip(ping) circuit, in the closing circuit of the 3rd breaker, the self diagnosis backup auto-activating device analog input terminal difference is correct
Access first voltage transformer, second voltage transformer, the first current transformer, the second current transformer, the embodiment
Unit of hauling oneself willingly into automatic closing protection device is arranged on bus, for automatic closing loop median generatrix the 3rd
Breaker is hauled oneself willingly into, and the first described inlet wire, the second inlet wire, busbar voltage is 10KV.
The self diagnosis prepared auto restart, which should at least be put into, hauls oneself willingly into closing function and use has been put into self-diagnostic function.
The self diagnosis backup auto-activating device is in closure state when the first switch position signalling for detecting the first breaker,
First voltage transformer has pressure, and the second switch position signal of the second breaker is in closure state, and second voltage transformer has
Pressure, the 3rd switch position signal of the 3rd breaker are in gate-dividing state self diagnosis prepared auto restart and are in charged state.
Further, if within the charging interval first voltage transformer decompression, pass through CPU judge understand first voltage mutual inductance
Device decompression, self diagnosis backup auto-activating device will remind user also to eject corresponding first on liquid crystal panel simultaneously by voice mode
Voltage transformer no-voltage fault information and guides the method that user fixes a breakdown, and now then self diagnosis prepared auto restart is in electric discharge shape
State.
Further, now voltage recovers normal to user, judges to understand that first voltage transformer recovers voltage by CPU,
It is mutual that self diagnosis backup auto-activating device will remind user also to eject corresponding first voltage on liquid crystal panel simultaneously by voice mode
Sensor trouble shooting information, now condition satisfaction requirement, then self diagnosis prepared auto restart is in charged state.
Further, if within the charging interval second voltage transformer decompression, pass through CPU judge understand second voltage mutual inductance
Device decompression, self diagnosis backup auto-activating device will remind user also to eject corresponding second on liquid crystal panel simultaneously by voice mode
Voltage transformer fault message and guides the method that user fixes a breakdown, and now then self diagnosis prepared auto restart is in discharge condition.
Further, now voltage recovers normal to user, judges to understand that second voltage transformer recovers voltage by CPU,
It is mutual that self diagnosis backup auto-activating device will remind user also to eject corresponding second voltage on liquid crystal panel simultaneously by voice mode
Sensor trouble shooting information, now condition satisfaction requirement, then self diagnosis prepared auto restart is in charged state.
Further, if within the charging interval the first breaker open operation, by CPU judge understand the first breaker open operation,
Self diagnosis backup auto-activating device will remind user also to eject corresponding first breaker on liquid crystal panel simultaneously by voice mode
Position not to fault message and guide the method that user fixes a breakdown, now then self diagnosis prepared auto restart is in discharge condition.
Further, now the first breaker closes a floodgate user again, judges to understand the first breaker closing by CPU, from
Diagnosis backup auto-activating device will remind user also to eject corresponding first breaker event on liquid crystal panel simultaneously by voice mode
Barrier releases information, and now condition meets to require, then self diagnosis prepared auto restart is in charged state.
Further, if within the charging interval the second breaker open operation, by CPU judge understand the second breaker open operation,
Self diagnosis backup auto-activating device will remind user also to eject corresponding second breaker on liquid crystal panel simultaneously by voice mode
Position not to fault message and guide the method that user fixes a breakdown, now then self diagnosis prepared auto restart is in discharge condition.
Further, now the second breaker closes a floodgate user again, judges to understand the second breaker closing by CPU, from
Diagnosis backup auto-activating device will remind user also to eject corresponding second breaker event on liquid crystal panel simultaneously by voice mode
Barrier releases information, and condition meets to require, then self diagnosis prepared auto restart is in charged state.
Further, if within the charging interval the 3rd breaker closing, by CPU judge understand the 3rd breaker closing,
Self diagnosis backup auto-activating device will remind user also to eject corresponding 3rd breaker on liquid crystal panel simultaneously by voice mode
Position not to fault message and guide the method that user fixes a breakdown, now then self diagnosis prepared auto restart is in discharge condition.
Further, user's now the 3rd breaker separating brake again, by judging to understand the 3rd breaker open operation from CPU,
Self diagnosis backup auto-activating device will remind user also to eject corresponding 3rd breaker on liquid crystal panel simultaneously by voice mode
Trouble shooting information, condition meet requirement, and now then self diagnosis prepared auto restart is in charged state.
Further, if collecting locking prepared auto restart within the charging interval, judge to understand that locking prepared auto restart closes by CPU
Close, it is standby certainly that self diagnosis backup auto-activating device will remind user also to eject corresponding locking on liquid crystal panel simultaneously by voice mode
Throw position not to fault message and guide user disconnect locking prepared auto restart open into then self diagnosis prepared auto restart is in discharge condition.
Further, user now disconnects locking prepared auto restart, judges to understand that locking prepared auto restart separates by CPU, self diagnosis
Backup auto-activating device will remind user's condition to meet to require by voice mode, then self diagnosis prepared auto restart is in charged state.
Further, if not collecting prepared auto restart pressing plate within the charging interval, judge to understand prepared auto restart pressing plate point by CPU
Open, self diagnosis backup auto-activating device will remind user also to eject corresponding prepared auto restart pressure on liquid crystal panel simultaneously by voice mode
Board position not to fault message and guide user's prepared auto restart pressing plate and open into common port short circuit, now condition is unsatisfactory for and guiding
User closes prepared auto restart pressing plate, then self diagnosis prepared auto restart is in discharge condition.
Further, user now closes prepared auto restart pressing plate, judges to understand that prepared auto restart pressing plate closes by CPU, self diagnosis
Backup auto-activating device will remind user's condition to meet to require by voice mode, then self diagnosis backup auto-activating device is in charged state.
Further, prepared auto restart charging complete is waited, after prepared auto restart charging complete, self diagnosis backup auto-activating device is filled
Electricity completes prompting, waits first voltage transformer decompression defluidization.
Further, user's now only decompression not defluidization, by CPU judge to understand it is outside add electric current, be unsatisfactory for acting
It is required that self diagnosis backup auto-activating device will can also eject corresponding condition by voice mode simultaneously on liquid crystal panel be unsatisfactory for letter
Breath, user's condition is reminded to be unsatisfactory for, and guiding user, now device collects electric current and needs turn-off current.
Further, user's now decompression defluidization, judge to understand that condition meets action request by CPU, self diagnosis it is standby from
Throw device and will remind user also to eject corresponding condition on liquid crystal panel simultaneously by voice mode and meet information,.
Further, self diagnosis prepared auto restart separates the first breaker, if the first breaker tripping, is judged by CPU
Failure, can also be ejected on liquid crystal panel simultaneously by voice mode corresponding to the first breaker tripping fault message and failure
Release method prompts user malfunction point, allows user to recharge progress prepared auto restart experiment after releasing failure.
Further, after self diagnosis prepared auto restart separates the first breaker, into delay, by the 3rd open circuit after delay is arrived
Device separates, if the 3rd breaker tripping, by CPU failure judgements, can also be ejected on liquid crystal panel simultaneously by voice mode
The fault message of corresponding 3rd breaker tripping and the release method prompting user malfunction point of failure, after allowing user to release failure
Recharge and carry out prepared auto restart experiment.Further, after self diagnosis prepared auto restart separates the 3rd breaker, user's prepared auto restart is prompted
Act successfully.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.
It should be noted that term " first ", " second ", " the 3rd " in this specification, being further etc. to be used for
Similar object or the time difference are distinguished, without for describing specific order or precedence.Understand that the data so used exist
It can be exchanged in the case of appropriate, in order to the description to the present embodiment.
Claims (6)
1. a kind of automatic throw-in equipment of emergency power supply with self-diagnostic function, it is operated in including multichannel automatic closing runback
In circuit system, the input that can automatically switch when the current supply circuit being currently running has a power failure for some reason is kept just into another live conductor road
Often power supply, it is characterised in that:It includes isolation coupling detection circuit, CPU processor circuit, sound circuit, communicating circuit, switch
Amount terminal, relay output terminal, keyboard, real-time clock, liquid crystal display, power circuit, and the CPU processor circuit includes
CPU and connected A/D analog to digital conversion circuits, D/A D/A converting circuits, program storage area, serial port, storage definite value
Area, timer, RAM static memories, interrupt control unit, I/O input/output ports, described in A/D analog to digital conversion circuits connection
The output end of isolation coupling detection circuit, the D/A D/A converting circuits connect the sound circuit, and the serial port connects institute
State communicating circuit, the I/O input/output ports connect the switching value terminal, relay outputs terminal, keyboard, real-time clock,
Liquid crystal display, the power circuit are independent power autonomous, and the power circuit provides working power for present apparatus each several part.
2. the automatic throw-in equipment of emergency power supply according to claim 1 with self-diagnostic function, it is characterised in that:It is described every
Include analog quantity terminal, multiple transformers and multiple corresponding resistance, low pass filtered from coupling detection circuit and involve signal conditioning circuit,
The once end of each transformer connects each terminal in the analog quantity terminal in the multiple transformer, each in the multiple transformer
The input that the low pass filtered involves signal conditioning circuit is connected after the secondary terminals adaptation corresponding resistance in parallel of transformer, institute
The output end connection A/D analog to digital conversion circuits that low pass filtered involves signal conditioning circuit are stated, are respectively held in the analog quantity terminal
The corresponding adaptation of son connects each signal tested point in the multichannel automatic closing runback circuit system.
3. the automatic throw-in equipment of emergency power supply according to claim 1 with self-diagnostic function, it is characterised in that:It is described logical
Interrogating circuit includes photoelectric isolating circuit I and RS485, and the RS485 passes through the photoelectric isolating circuit I and the serial port connects
Connect.
4. the automatic throw-in equipment of emergency power supply according to claim 1 with self-diagnostic function, it is characterised in that:The sound
Ringing circuit includes circuit for signal conditioning and buzzer, and the buzzer connects the D/A digital-to-analogues by the circuit for signal conditioning
Change-over circuit.
5. the automatic throw-in equipment of emergency power supply according to claim 1 with self-diagnostic function, it is characterised in that:It is described to open
Pass amount terminal is connected by photoelectric isolating circuit II with the I/O input/output ports.
6. the automatic throw-in equipment of emergency power supply according to claim 1 with self-diagnostic function, it is characterised in that:It is described after
Electrical equipment outputs terminal connection relay tip, and the relay coil passes through photoelectric isolating circuit III and the I/O input and output
Mouth connection.
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CN201720504916.XU CN206759153U (en) | 2017-05-09 | 2017-05-09 | A kind of backup auto-activating device for possessing self-diagnostic function |
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CN201720504916.XU CN206759153U (en) | 2017-05-09 | 2017-05-09 | A kind of backup auto-activating device for possessing self-diagnostic function |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109149637A (en) * | 2018-09-14 | 2019-01-04 | 珠海瑞捷电气股份有限公司 | Open monitoring management grid-connected system and its monitoring management method |
CN111654102A (en) * | 2020-05-15 | 2020-09-11 | 国网上海市电力公司 | Intelligent diagnosis system for abnormal state of spare power automatic switching of 10kV power distribution station |
-
2017
- 2017-05-09 CN CN201720504916.XU patent/CN206759153U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109149637A (en) * | 2018-09-14 | 2019-01-04 | 珠海瑞捷电气股份有限公司 | Open monitoring management grid-connected system and its monitoring management method |
CN111654102A (en) * | 2020-05-15 | 2020-09-11 | 国网上海市电力公司 | Intelligent diagnosis system for abnormal state of spare power automatic switching of 10kV power distribution station |
CN111654102B (en) * | 2020-05-15 | 2024-03-29 | 国网上海市电力公司 | 10 kilovolt distribution station spare power automatic switching abnormal state intelligent diagnosis system |
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