CN109546753A - A kind of remote passive control device and method based on power transmission and application - Google Patents
A kind of remote passive control device and method based on power transmission and application Download PDFInfo
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- CN109546753A CN109546753A CN201811557691.XA CN201811557691A CN109546753A CN 109546753 A CN109546753 A CN 109546753A CN 201811557691 A CN201811557691 A CN 201811557691A CN 109546753 A CN109546753 A CN 109546753A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention belongs to electron electric power control technology fields, disclose a kind of remote passive control device and method based on power transmission and application, the Passive Shape Control device that this method uses, it include: current detecting unit, control execution unit, electricity consumption end instruction identification unit, control centre's unit, discharge prevention unit, user's start unit, current detection circuit input terminal with power transmission is single-phase is electrically connected, current detection circuit output end is connected by conducting wire with control centre unit, control centre's unit is connected by electricity consumption end instruction identification unit with control execution unit input terminal, control execution unit one end output switch is connected with discharge prevention unit, other end output switch is electrically connected with single-phase；User's start unit with power transmission is single-phase is electrically connected.Not only sending end can control " the sending " and " disconnected " of power transmission to the present invention, but also electricity consumption end also can control " sending " and " disconnected " of power transmission.It and is that power transmission is completed under the conditions of passive in electricity consumption end.
Description
Technical field
The present invention relates to electron electric power control technology field more particularly to a kind of long-range nothings based on power transmission and application
Source control device and method.
Background technique
Well known, the use of electric power is the final purpose and its most important component part of power transmission, and electric power
Control is then whole cores of power transmission, and so-called control is exactly " the sending " and " disconnected " of electric power, it is generally the case that electrical equipment
It is exactly electric terminal, Electric control side is exactly transmission end, and the power transmission end in a current supply circuit controls " sending for electric power
Out " or " cutting ", which determine the effects of electric terminal, in this circuit, electric terminal begin eventually be to be controlled passively
A side, and power transmission end is then the absolute side being active；In real production process, electric power is generally sent to corresponding
Distribution mechanism, this mainly determines that but its citation form is constant according to the capacity of electricity consumption, level-one is transmitted by level-one,
Until arriving electric terminal, this transmission and control model are means the most universal in current electricity usage；Wherein, distribution mechanism
Including in switchgear house, power distribution cabinet, distribution box etc. control power transmission be various functions " power circuit breaker " or " electric power connects
Tentaculum " etc., these things are responsible for the tool of transmitting and the cutting of electric power, its closure are controlled when needing to transmit, when needing to cut off
Control cutting；
Above-mentioned " needs " refers to that electric terminal needs electricity consumption, how in larger distance, such as upper km, several kms or tens
More than km, this electric signal is transmitted to the controlling party of power transmission, is that can borrow modern science and technology tool under normal conditions: electricity
Words, network, mobile phone, computer etc. transmit information, but this needs to have these tools, if do not had in reality production
Tool, or be just not easy to execute relevant operation without telecommunications, network signal, moreover these tools itself are also required to electric power energy
Source not electricity consumption or is finished electricity and also needs to transmit cutting information since electricity consumption needs to transmit power transmission information, therefore, in practical application
In, how rapidly and accurately to transmit the actual information of terminal user is a realistic problem in current power transmission；
Above-mentioned " control " refers to that the closure transmission of electric power and the cutting of electric power stop sending, this process refers to Mechanical course or manual
Control, when practical operation, capacity it is big must be cannot manually control, but low capacity is typically all artificial dynamic indirectly
Make to control, but howsoever operate, this control process must be after receive electricity consumption side's information, by manual operation come
What realization finally controlled, i.e., directly or indirectly transmit electric power or cutting electric power；Under normal circumstances, electric power is the shape of " often sending "
Formula, i.e. electricity consumption side do not have to transmission information, and electric power directly transmit and come out, no matter electric terminal whether electricity consumption, due to this form,
It is often charged in circuit, therefore some corresponding security risks can be generated；
The above content mainly elaborates the form and prerequisite condition of current power transmission, while having also indicated that existing operation
Present in unsatisfactory place, i.e., perfect place is needed there are the following in existing power transmission operation:
1. the bilateral right deviation in electricity consumption side and power transmission side is excessive, the permission of the electricity consumption side Ying Jia great；
2. single side is excessively bigoted come the form for determining power transmission, unfavorable electric power passes the convenience and safety transferred and applied；
3. it is inevitable lossy in power transmission, if the not electricity consumption of electricity consumption side should cut off power transmission transmission in time and automatically, have in this way
Benefit is energy saving, and is conducive to the safety of personal equipment；
In conclusion user side is really a most important side in a power transmission circuit, to when electricity consumption,
When power off it is the clearest, so can allow user side that also there is the permission of power transmission side to control the transmission of electric power and cut
It is disconnected, while the security risk often charged in circuit is also avoided accordingly, to effectively solve this link institute band of information transmitting
The inconvenience come is made power transmission and is needed using more convenient, safe, practical and energy saving just become in a practical application
It solves the problems, such as.
Summary of the invention
In order to overcome the deficiencies of the prior art, the present invention is provided a kind of controlled based on power transmission and the remote passive of application and filled
It sets and method.Have the function of double-direction control and high security, high reliability, high practicability.
For achieving the above object, the present invention uses technical solution as described below:
A kind of remote passive control device based on power transmission and application, comprising: current detecting unit, control execution unit,
Electricity consumption end instruction identification unit, control centre's unit, discharge prevention unit, user's start unit, current detection circuit input terminal
With power transmission is single-phase is electrically connected, current detection circuit output end is connected by conducting wire with control centre unit, control centre's list
Member is connected by electricity consumption end instruction identification unit with control execution unit input terminal, and the output of control execution unit one end is switched and put
Electric protection unit is connected, and other end output switch is electrically connected with single-phase；User's start unit with power transmission is single-phase is electrically connected；It is whole
Machine power supply unit output end is connected with the DC terminal of each unit.
Further, the current detecting unit is the current detecting of the AC current change information of current transformer induction
Circuit is made of current sensor B1, resistance R3, bridge heap Q1, capacitor C5 and resistance R4 electrical connection, and jackshaft heap Q1 is for rectifying
At corresponding DC information Song Zhi control centre unit, corresponding Function detection and control are carried out.
Further, the electricity consumption end instruction identification unit is that the electricity consumption end for cooperating user's start unit to generate enabling signal refers to
Identification circuit is enabled, by integrated circuit U4, resistance R1, R2, R9, R10, capacitor C3, C4 and varistor MY1 electrical connection composition；With
B1 forms oscillating circuit in outside line DC impedance, starting module；Oscillating circuit is by C3, C4, U4 electricity in the inductance and circuit of B1
Road is used to generate the square wave that frequency limits range；The inductance detection signal and voltage detection signal that circuit generates for judging, when
Two kinds of detection signals are all correct, could identify correct.
Further, the execution unit processed is control execution circuit, by transistor T1, relay JAA, diode D2, electricity
Hinder R5, R6, capacitor C6 and transistor T2, relay JBA, diode D3, resistance R7, R8, capacitor C7 electrical connection composition；With
In the various instructions that execution is assigned by control centre's unit, the actuation or release of two relays of JAA and JBA are operated, to reach
To the transmission of electric power or the cutting of electric power；Reach the transmission of electric power or the cutting of electric power.
Further, the discharge prevention unit is the discharge module electricity for bleeding off dump energy after electrical equipment powers off
Road, it is therein by relay JAB .JAC transit node and relay JBB, JBC transit node and discharge module electrical connection composition
Relay JA and relay JB and discharge module enter instruction identification unit and control centre's unit for preventing dump energy
In, cause device failure.
Further, the starting module circuit is defeated by concatenated closure key AN1, disconnection key AN2 and transformer B1
Enter end to be connected, transformer B1 output end is connected by bridge heap Q1 with relay J1A；Transformer B1 input terminal is dropped by resistance capacitance
Pressure device, bridge heap Q2 are connected with relay J2A；Relay J1A power end connects light emitting device LED.
Further, the starting module circuit passes through transformer B1, bridge heap Q1 and light emitting device by closure key AN1
LED is connected.
Further, the control device is three-phase power transmission circuit, and the circuit and Monophase electric power transmit in principle
Essentially identical, difference is mainly that current detecting unit and its safeguard function increased；Followed by identification circuit can only select
A phase in three-phase power line is identified, and other units, working principle consistent with circuit unit in single-phase transmission completely
Identical, so only will be apparent to Monophase electric power transmission action process, three-phase power transmission is also understood naturally.But three phase supply master returns
Road action connection point must satisfy the operating current of three phase electric equipment.Generally use contactor or other suitable devices.
Further, a kind of remote passive control method based on power transmission and application is using bilateral permission, sending end
It can control " the sending " and " disconnected " of power transmission, electricity consumption end can also control " the sending " and " disconnected " of power transmission；Sending end permission
It is a side of " active ", the permission at electricity consumption end is a side of " passive ", wherein the control power transmission of electricity consumption end " passive " side
" sending " and " disconnected "；Its step are as follows:
1. start-up course:
After pressing lower button AN1, B1 primary is connected on power transmission line L, N, and front end power transmission portion is entered after transmitting a distance
Point, and A point and B point through corresponding relay tip JAB, JAC, JBB, JBC and resistance R9, R10 into recognition unit circuit；
By coil B1 there is inductance value, when the inductance value is consistent with the inductance value that identification circuit is set, identification circuit starts
Oscillation is generated, frequency of oscillation is set as needed；The frequency of oscillation is sent to being judged among control centre unit U5, analyzed,
When determining consistent with program, ordering its 7th foot is zero potential, that is, A point is zero potential, and identification circuit stops oscillation, monolithic
Machine carries out voltage tester to B point；By the DC impedance that user terminal coil B1 is constant, the voltage value of B point is sent to single-chip microcontroller
Be compared in respective foot, when correctly then assigning relevant instruction, assign JBA action command first, associated contacts JBB and
JBC movement, is forwarded on discharge module, after being delayed, then assigns JAA action command, corresponding contact switching action to electric power
On output line, electric power starts to transmit its electric power；
By the movement of two groups of contacts, identification circuit and control centre's circuit and power circuit are fully disconnected, it is therefore prevented that electricity
Power enters these circuits, to complete start-up course；Electric power is depressured by user terminal power transformer B1, then rectified, is lighted
Luminous tube LED illustrates that power transmission is completed；At this time AN1 is unclamped in time, electricity consumption is set within the scope of the delay time that electric power is sent out
Standby to start to work, then be delayed cancellation, and electric power still maintains submitting；If electrical equipment does not still have in this delay process
Work, then delay one is arrived, single-chip microcontroller assigns not electricity consumption instruction, working for starting circuit, cutting electric power output；
2. normal electricity consumption process:
In transmission process, electrical equipment normal use, and power current is within the allowable range, and monolithic is sent into after current detecting
The 15th foot of machine is analyzed and determined: correct then execute, circuit is failure to actuate, and electric power continues to confess, and otherwise, can enter overload prevention mistake
Journey；
3. electricity consumption finishes process:
After electrical equipment stops electricity consumption, due to the unexpected reduction of operating current, analyzed and determined after current detecting to single-chip microcontroller,
If this phenomenon continues the regular hour, single-chip microcontroller acts accordingly, and discharges JAA relay, the power supply of electrical equipment is broken
It opens, and is connected with discharge module, discharge remaining capacity in electrical equipment, after a certain period of time, single-chip microcontroller assigns JBA again
Relay releases order, corresponding contact and switching motion, restores its static position, i.e. outside line is connect with identification circuit again, is
Next time, work was ready in starting
4. overload prevention process
In normal power supply, when load faulty causes load to aggravate, electric current increases, and is more than the protective value of setting and the rule that are delayed
After the fixed time, current detecting unit output valve is quickly detected by single-chip microcontroller, is analyzed and determined and makes stopping power supply instruction, held
Row circuit finishes process corresponding actions according to third step electricity consumption, and cutting electric power output determines electrical equipment safety.
Further, a kind of remote passive control method based on power transmission and application is using bilateral permission, sending end
It can control " the sending " and " disconnected " of power transmission, electricity consumption end can also control " the sending " and " disconnected " of power transmission；Sending end permission
It is a side of " active ", the permission at electricity consumption end is a side of " passive ", wherein the control power transmission of electricity consumption end " passive " side
" sending " and " disconnected "；Its step are as follows:
AN2 is pressed, B1 is accessed in front end recognition unit, and electric power is sent to B1, is rectified through B1 decompression, bridge heap Q1, is exported respective straight
Galvanic electricity is depressed into J1A, and relay J1A is attracted, contact J1B: J1C closure is completed electric current self-insurance and is acted, indication light Guan Liang, this
Shi Songkai AN2；The contact AN2 is shorted by J1B contact, continues to power to B1, and guard relay J1A keeps attracting state, and
JIC junction closure, electric supply rectify output direct current to J2A, relay J2A through bridge heap Q2 after resistance R2, capacitor C2 decompression
Movement, contact J2B, J2C closure, to power supply for electrical equipment；Even if electric power still but is able to continued power, passes through after unclamping AN2
The operating current of two relays and resistance-capacitance depressurization, bridge rectifier makes current detection circuit single-chip microcontroller provide most unskilled labourer
Make parameter, guarantees that major loop electric power works normally；
If necessary to cut off front-end power output, as long as after pressing AN1, J1A, J2A of relay successively discharge, contact is disconnected
It opens, has cut off the electric power of electrical equipment immediately；After being set the time, outside line major loop electric power is also then cut off；The starting module
Circuit not only has the function of that remotely starting electric power exports, and is also equipped with the function of remote shutdown electric power output.
Due to the adoption of the technical scheme as described above, the present invention has the following advantages:
A kind of remote passive control device and method based on power transmission and application, can be in existing power transmission theory and shape
In formula it is primary raising and it is perfect, use the upper and existing organic cooperation of device, unexpected effect must be will receive,
Application field is very big, and purposes is extremely wide, can produce plurality of specifications, the product of diversified forms according to demand, and be suitable for series
The different three-phase alternating current breaker of the different single phase ac breaker of power, bank of power, generator it is dedicated it is single-phase, three-phase is special
Different distribution board and various distribution boxs, distribution board suitable for construction site.
Present power transmission form is that sending end determines electricity consumption end, and sending end is active, and electricity consumption end is passively single
Square permission theory.But in practical applications, electricity consumption side should be the just more reasonable of active.The device that we invent is from basic
Upper this theory of change becomes bilateral permission from single permission, that is to say, that not only sending end can control power transmission
" sending " and " disconnected ", and electricity consumption end also can control " sending " and " disconnected " of power transmission.
The method of " bilateral permission " of the invention fundamentally solves many realistic problems.Sending end permission is completed very well,
Because being a side of " active "；And how the permission at electricity consumption end is completed, relatively difficult: electricity consumption side first is " passive ", is not had
Any electric power, cannot or other energy inconvenient to use；Followed by how remotely controlling, third is how function is realized, these
Problem is all the main contents that the present invention solves, i.e. electricity consumption end in the present invention can remotely control to realize energization, electricity consumption
Function, this is to say user terminal is capable of the power transmission and cutting of far distance control sending end, and being can be " passive "
Under the conditions of complete, and electric terminal in the switched off state its interlock circuit be it is uncharged, this is that the prior art can not
Accomplish.
Technical solution proposed by the present invention can make power transmission and use more convenient, safer, more practical,
It is more energy saving, the excessive problem of the bilateral right deviation in electricity consumption side and power transmission side can be reduced, the permission of electricity consumption side is increased, overcomes
Single side is excessively bigoted come the form for determining power transmission, can make the transmission of electric power and application is more convenient and safety；Such as
Fruit electricity consumption side's not electricity consumption should cut off power transmission transmission in time and automatically, and the certainty reduced in power transmission is lossy, advantageous in this way
It is energy saving, and be conducive to the safety of personal equipment.
For the present invention in a power transmission circuit, user side is really a most important side, when electricity consumption, what
When power off, user side is the clearest, so the present invention allows user side to have the permission of power transmission side also to control the transmission of electric power
With cutting, this link of the transmitting of information is just completely solved and bring problems.
Detailed description of the invention
Fig. 1 is single-phase electrical transmission front end power transmission partial circuit schematic diagram；
Fig. 2 is three-phase power transmission circuit schematic diagram；
Fig. 3 a is user terminal part i.e. 1 circuit diagram of user's start unit；
Fig. 3 b is user terminal part i.e. 2 circuit diagram of user's start unit.
Specific embodiment
As shown in Fig. 1,2,3a, 3b, a kind of remote passive control device based on power transmission and application, comprising: electric current
Detection unit, control execution unit, electricity consumption end instruction identification unit, control centre's unit, discharge prevention unit, user start list
Member, current detection circuit input terminal with power transmission is single-phase is electrically connected, current detection circuit output end passes through in conducting wire and control
Heart unit is connected, control centre's unit is connected by electricity consumption end instruction identification unit with control execution unit input terminal, and control is held
Row unit one end output switch is connected with discharge prevention unit, and other end output switch is electrically connected with single-phase；User's start unit
With power transmission is single-phase is electrically connected；Complete machine power supply unit output end is connected with the DC terminal of each unit.
The current detecting unit is the current detection circuit of the AC current change information of current transformer induction, by
Current sensor B1, resistance R3, bridge heap Q1, capacitor C5 and resistance R4 electrical connection composition, jackshaft heap Q1 are corresponding for being rectified into
DC information Song Zhi control centre unit, carry out corresponding Function detection and control.
The electricity consumption end instruction identification unit is the electricity consumption end instruction identification for cooperating user's start unit to generate enabling signal
Circuit, by integrated circuit U4, resistance R1, R2, R9, R10, capacitor C3, C4 and varistor MY1 electrical connection composition；It is straight with outside line
B1 forms oscillating circuit in flow impedance, starting module；Oscillating circuit is used for by C3, C4, U4 circuit in the inductance and circuit of B1
Generate the square wave that frequency limits range；The inductance detection signal and voltage detection signal that circuit generates are examined for judging when two kinds
It is all correct to survey signal, could identify correct.
The execution unit processed be control execution circuit, by transistor T1, relay JAA, diode D2, resistance R5, R6,
Capacitor C6 and transistor T2, relay JBA, diode D3, resistance R7, R8, capacitor C7 electrical connection composition；For execute by
The various instructions that control centre's unit is assigned operate the actuation or release of two relays of JAA and JBA, to reach electric power
Transmission or the cutting of electric power；Reach the transmission of electric power or the cutting of electric power.
The discharge prevention unit is the discharge module circuit for bleeding off dump energy after electrical equipment powers off, by relay
Device JAB .JAC transit node and relay JBB, JBC transit node and discharge module electrical connection composition, relay JA therein
With relay JB and discharge module for preventing dump energy, enters in instruction identification unit and control centre's unit, cause
Device failure.
The starting module circuit is by concatenated closure key AN1, disconnection key AN2 and transformer B1 input terminal phase
Even, transformer B1 output end is connected by bridge heap Q1 with relay J1A；Transformer B1 input terminal is depressured by resistance capacitance and is filled
It sets, bridge heap Q2 is connected with relay J2A；Relay J1A power end connects light emitting device LED.
The starting module circuit can also pass through transformer B1, bridge heap Q1 and light emitting device LED by closure key AN1
It is connected.
Embodiment 1
Single-phase transmission, reference circuit schematic diagram Fig. 1, circuit diagram 1 are single-phase electrical transmission front end power transmission partial schematic diagrams；Device is whole
Substantially it is divided into two parts, is user terminal part and front end power transmission part respectively.
1. complete machine power supply unit, by module U1, diode D1, capacitor C1, C2 and power source special module U2 composition.The unit
It is AC/DC translation circuit, alternating current is transformed into the direct current of 12V and 5V, supply complete machine uses, so the unit is supplied complete machine
Electric unit.
2. discharge prevention unit is made of the transfer contact of JA., JB relay correlation, discharge module.The unit is mainly used
Come bleed off after electrical equipment power-off may remaining electric energy, prevent that these electric energy from entering instruction identification unit and control centre is single
The unit for causing device failure in member and designing.
3. current detecting unit is made of B1 current sensor, resistance R3, Q1 bridge heap, capacitor C5 and resistance R4.The unit
Effect is that the change information of the AC current of current transformer induction is rectified into corresponding DC information through bridge heap and is sent and sets control
Center cell processed carries out corresponding Function detection and control.Therefore the unit is current detecting unit.
4. control execution unit is by transistor T1, relay JAA, diode D2, resistance R5, R6, capacitor C6 and crystal
Pipe T2, relay JBA, diode D3, resistance R7, R8, capacitor C7 composition.Unit effect is executed by under control centre's unit
The various instructions reached operate the actuation or release of two relays of JAA and JBA, to reach the transmission of electric power or cutting for electric power
It is disconnected, so being control execution unit.
5. electricity consumption end instruction identification list is by integrated circuit U4, resistance R1 .R2, R9, R10, capacitor C3, C4 and varistor
MY1 composition.The unit is one of Important Circuit of the present invention, it can cooperate user's start unit to generate enabling signal, to control
Center cell judgement assigns corresponding operation order to control execution unit after the confirmation of control centre's unit is errorless.The unit can
To generate inductance detection signal and voltage detection signal, only both detection signals are all correct, could identify correctly, lack one
It can not.It does so and greatly improves the accuracy of identification, to ensure that the safety and reliability of the device.
6. control centre's unit is made of single-chip microcontroller U5 and corresponding program.Unit effect mainly has at 3 points:
1. analyzes the current variation value that current detecting unit is sent, judges, to make corresponding instruction issuing.
2. carries out discriminatory analysis to the enabling signal that user's start unit is sent, when meeting program requirement, assign corresponding
Action command to control execution unit.
3. the various programs of include the self-test of itself, crash is prevented.
The unit and electricity consumption end instruction identification unit must cooperate unified use to can be only achieved " both sides' permission " basic equality
Function, so and the invention device Important Circuit two.
7. user's start unit is user terminal part, as shown in circuit diagram 3, user's start unit is divided into two substantially
Circuit can select one of circuit according to the demand of terminal user.
One of start unit circuit:
By AN1, AN2, J1B contact, J1C contact, transformer B1, bridge heap Q1, Q2, capacitor C1, C2, C3, diode D1, D2, after
Electric appliance J1A, J2A and corresponding contact J2B, J2C composition.
One side of electricity consumption end is arranged in the unit, when idle, due to contact J2B, J2C be disconnect, with
Electric equipment does not have any relationship；AN2 default is also to disconnect simultaneously, and the element circuit and front end power transmission circuit will not occur to appoint
What is contacted.
User presses AN2, this unit is connected by power transmission lines with front end power transmission circuit, notifies front end power transmission
Circuit needs power transmission.User presses AN1 and disconnects this unit and front end power transmission circuit.Therefore the effect of the unit is remotely to control
The transmission and cutting of front end electric power, while also electric power is provided for electrical equipment.The start-up circuit is the more complete circuit of function,
It is adapted to require relatively high power supply occasion.
The two of start unit circuit are made of AN1, transformer B1, bridge heap Q1, capacitor C1, resistance R1, luminous tube LED..It should
Circuit function with it is aforementioned almost the same, but function is fewer, only remotely starts this content, suitable for field of less demanding
It closes.
The explanation of detailed process is carried out with two embodiments of user's start unit circuit
1. start-up course: after pressing lower button AN1, B1 primary is connected on power transmission line L, N, after certain transmission range
Into front end power transmission part, but it is electric to recognition unit through corresponding relay tip JAB, JAC, JBB, JBC and resistance R9, R10
A point and B point in road, since B1 is coil, there is certain inductance values, when the value is consistent with the value that identification circuit is set,
Identification circuit starts to generate oscillation, and frequency of oscillation can be set as needed.The frequency of oscillation is sent to control centre unit U5
Judged, analyzed, when determining consistent with program, ordering its 7th foot is zero potential, that is, A point is zero potential, identification circuit
It stops oscillation, single-chip microcontroller carries out voltage tester to B point.Due to the DC impedance also substantially constant of user terminal B1, so B point
Voltage value is sent to being compared in single-chip microcontroller respective foot, assigns relevant instruction if correct.JBA movement is assigned first to refer to
It enabling, associated contacts JBB and JBC movement are forwarded on discharge module, after certain delay, then assign JAA action command,
On its corresponding contact switching action to power input lines, electric power starts to transmit its electric power.Due to the movement of two groups of contacts, identification electricity
Road and control centre's circuit and power circuit are fully disconnected, it is therefore prevented that electric power enters these circuits, to complete to start
Journey.Since user terminal B1 itself is power transformer, after electric power is come, through step-down rectifier, luminous tube LED is lighted, explanation is sent
Electricity completes.At this time, AN1 is unclamped in time, and electric power still maintains submitting.Certainly, the time that electric power is sent out, is by current detecting
Circuit and SCM program cooperate determining.
2. normal electricity consumption process: in transmission process, electrical equipment normal use, and power current is within the allowable range,
It is sent into the 15th foot of single-chip microcontroller after current detecting and is analyzed and determined that correctly then execution circuit is failure to actuate, electric power continues to confess, no
Overload prevention process can then be entered.
3. electricity consumption finishes process: after electrical equipment stops electricity consumption, due to the unexpected reduction of operating current, being examined through electric current
It analyzes and determines that, if this phenomenon continues the regular hour, single-chip microcontroller acts accordingly to single-chip microcontroller after survey, discharges JAA relay
The power supply of electrical equipment is disconnected, and is connected with discharge module by device, is discharged remaining capacity in electrical equipment, centainly
After time, single-chip microcontroller assigns JBA relay again and releases order, and corresponding contact and switching motion restore its static position, i.e., outer
Line is connect with identification circuit again, is ready work for starting next time；
4. overload prevention process: in normal power supply, if for some reason, for example load faulty causes load to aggravate,
Electric current increases, and is more than the protective value of setting and is delayed after the defined time, and current detecting unit output valve is rapid by single-chip microcontroller
It detects, being analyzed and determined and making stopping power supply instruction, execution circuit cuts off electric power according to " electricity consumption finishes process " corresponding actions
Output determines electrical equipment safety.
With the two of user's start unit circuit, to detailed process elaboration is carried out for Monophase electric power transmission, if with user
One of start unit circuit carry out procedure declaration its identification, control execution unit operating principle it is consistent with the above, difference is only
One of start unit circuit circuit operation process.
Two circuits of start unit circuit, press AN1 after a certain period of time, are after power Transmission comes, and LED light tube is bright
AN1 can be unclamped, electrical equipment should work as early as possible at this time, because the numerical value affirmative that current detecting arrives is very when electrical equipment does not work
It is small, there is the process of a delay after single-chip microcontroller identification, if electrical equipment is started to work in this delay process, is then delayed
Cancel, carries out normal power supply process, if electrical equipment does not still work in this delay process, then delay one is arrived,
Single-chip microcontroller assigns not electricity consumption instruction, working for starting circuit, cutting electric power output.
One of start unit circuit action process procedure declaration: AN2 is pressed, B1 is accessed in front end recognition unit, through upper
It stating electric power after process and is sent to B1, is rectified through decompression, bridge heap Q1, and output phase answers DC voltage to be attracted to J1A, relay J1A,
Contact J1B: J1C closure completes electric current self-insurance movement, and indication light Guan Liang unclamps AN2 at this time.The contact AN2 is connect by J1B
Point is shorted, and continues to give B1 power supply, and guard relay J1A keeps attracting state, and JIC junction closure, electric supply through resistance R2,
It rectifies output direct current through bridge heap Q2 after capacitor C2 decompression to act to J2A, relay J2A, contact J2B, J2C are closed, to electricity consumption
Equipment power supply.
The wherein difference of start unit circuit one and start unit circuit two is:
1. after release button, start unit circuit two is powered off, if electrical equipment does not work, front end power transmission portion branch waits one
Power supply is disconnected after fixing time.In one of start unit circuit, even if electric power still but is able to continued power, mainly after unclamping AN2
Two relays and resistance-capacitance depressurization, bridge rectifier are increased in the circuit, and the movement of this circuit and relay all disappears
Electric current is consumed, exactly because these operating currents make current detection circuit single-chip microcontroller provide minimum running parameter, ensure that
Major loop electric power works normally.
2., as long as pressing AN1 after a certain period of time, J1A, J2A of relay are successive if necessary to cutting front-end power output
Release, contact disconnect, and have cut off the electric power of electrical equipment immediately.Through after a certain period of time, outside line major loop electric power is also then cut
It is disconnected.So one of starting module circuit not only has the function of remotely starting electric power output, but also for remote shutdown electric power
The function of output, critically important on this point, user can select as needed.Wherein single-phase electricity instructs, and refers to that single-phase electricity is benefit
Instruction is transmitted with the firewire of major loop and zero curve.The integrated circuit and single-chip microcontroller model wherein used: for STC 15W408
A S, N76E003 series, HT7038 system.
Embodiment 2
Three-phase power transmission circuit explanation, as shown in Fig. 2, the circuit and Monophase electric power transmission are essentially identical in principle, it is poor
Not Zhu Yaoshi current detecting unit and its safeguard function increased；Followed by identification circuit can only select in three-phase power line
A phase identified, and other units completely it is consistent with circuit unit in single-phase transmission, working principle is also identical, as long as so
Understand that Monophase electric power transmits action process, three-phase power transmission is also understood naturally.But three phase supply major loop action connection point must
The operating current of three phase electric equipment must be met.It is any fire of selection that wherein three-phase electricity instruction, which refers to three-phase electricity then,
Line and zero curve carry out instruction transmission, completely the same in form, but control performer is different, the general capacity ratio of three-phase electricity
Single-phase TV university it is more.
Wherein major loop and control loop connection and cutting technology: so-called major loop refer to alternating current transmit circuit, one
As in the case of single phase power supply when, the voltage value on circuit is 220V/50HZ, and when three phase supply, the voltage value on circuit is 380V/
50HZ, 220V are phase voltage values, and 380V is line voltage value.Control loop refers to identification circuit unit, control centre's unit, this time
Road is light current form, and ordinary circumstance is DC5V power supply；But long-range enabled instruction is to need route to be transmitted to complete
, for save the cost, it is impossible to separately set send instructions circuit, it is necessary to instruction is transmitted using major loop, when major loop does not have
When having power transmission, then route is passed through accordingly with starting module instruction issue circuitry and identification circuit, control centre's circuit
Contact connect；After enabled instruction has sent power reguirements by major loop, recognition unit, control centre's unit exist
In the time of confirmation, it is necessary to complete these circuit units and carry out that cutting is isolated with major loop, prevent power high voltage from entering light current and return
Road and burn out these units, only with major loop it is completely isolated after, major loop is just initially supplied electric supply.
When user's not electricity consumption, major loop stops power supply, but in order to start power supply process next time, it is necessary to restore major loop
With the connection of recognition unit, control unit, but before proceeding, it is necessary to which the residual electric energy on major loop load end line is discharged
It after falling, can just be attached, otherwise, residual electric energy still can burn out the component in identification circuit and control circuit, only
After residual electric energy on major loop discharges, major loop could be connect automatically with identification circuit, control circuit, be next time long-range
Starting provides primary condition, and the time that the actually circuit action of this process is completed is very short, about all determines at 10 seconds or so,
This is also the purpose for setting discharge module unit.
Wherein in major loop line footpath situation up to standard, can identify or command range is up to 100KM or so, but it is so remote away from
From, even if can identify and control, but the transmission of alternating voltage has biggish loss, so in practical applications, not
Need it is so remote, using being just fully able to meet in the case where voltage loss very little substantially in 5KM distance.The present invention
In say front end it is farthest instruction identification distance from terminal, be farthest command range for terminal from front end.
Claims (10)
1. a kind of remote passive control device based on power transmission and application, it is characterised in that: include: current detecting unit,
Control execution unit, electricity consumption end instruction identification unit, control centre's unit, discharge prevention unit, user's start unit, electric current inspection
Slowdown monitoring circuit input terminal with power transmission is single-phase is electrically connected, current detection circuit output end passes through conducting wire and control centre's unit phase
Even, control centre's unit is connected by electricity consumption end instruction identification unit with control execution unit input terminal, control execution unit one
End output switch is connected with discharge prevention unit, and other end output switch is electrically connected with single-phase；User's start unit and electric power pass
It is defeated single-phase to be electrically connected；Complete machine power supply unit output end is connected with the DC terminal of each unit.
2. according to a kind of remote passive control device based on power transmission and application described in rights protection requirement 1, feature
Be: the current detecting unit is the current detection circuit of the AC current change information of current transformer induction, by electricity
Flow sensor B1, resistance R3, bridge heap Q1, capacitor C5 and resistance R4 electrical connection composition, jackshaft heap Q1 are corresponding for being rectified into
DC information Song Zhi control centre unit, carries out corresponding Function detection and control.
3. according to a kind of remote passive control device based on power transmission and application described in rights protection requirement 1, feature
Be: the electricity consumption end instruction identification unit is the electricity consumption end instruction identification electricity for cooperating user's start unit to generate enabling signal
Road, by integrated circuit U4, resistance R1, R2, R9, R10, capacitor C3, C4 and varistor MY1 electrical connection composition；With outside line direct current
B1 forms oscillating circuit in impedance, starting module；Oscillating circuit is by C3, C4, U4 circuit in the inductance and circuit of B1 for producing
Raw frequency limits the square wave of range；The inductance detection signal and voltage detection signal that circuit generates are detected for judging when two kinds
Signal is all correct, could identify correct.
4. according to a kind of remote passive control device based on power transmission and application described in rights protection requirement 3, feature
Be: the control execution unit for control execution circuit, by transistor T1, relay JAA, diode D2, resistance R5, R6,
Capacitor C6 and transistor T2, relay JBA, diode D3, resistance R7, R8, capacitor C7 electrical connection composition；For execute by
The various instructions that control centre's unit is assigned operate the actuation or release of two relays of JAA and JBA, to reach electric power
Transmission or the cutting of electric power；Reach the transmission of electric power or the cutting of electric power.
5. according to a kind of remote passive control device based on power transmission and application described in rights protection requirement 1, feature
Be: the discharge prevention unit is the discharge module circuit for bleeding off dump energy after electrical equipment powers off, by relay
JAB, JAC transit node and relay JBB, JBC transit node and discharge module electrical connection composition, relay JA therein and after
Electric appliance JB and discharge module enter in instruction identification unit and control centre's unit for preventing dump energy, cause device
Damage.
6. according to a kind of remote passive control device based on power transmission and application described in rights protection requirement 1, feature
Be: the starting module circuit is connected by concatenated closure key AN1, disconnection key AN2 with transformer B1 input terminal, is become
Depressor B1 output end is connected by bridge heap Q1 with relay J1A；Transformer B1 input terminal passes through resistance capacitance dropping equipment, Qiao Dui
Q2 is connected with relay J2A；Relay J1A power end connects light emitting device LED.
7. according to a kind of remote passive control device based on power transmission and application described in rights protection requirement 1, feature
Be: the starting module circuit is connected by transformer B1, bridge heap Q1 with light emitting device LED by closure key AN1.
8. a kind of remote passive control device based on power transmission and application, it is characterised in that: three-phase power transmission circuit, it should
Circuit and Monophase electric power transmission it is essentially identical in principle, difference be mainly current detecting unit and its safeguard function
Increase；Followed by identification circuit can only select the phase in three-phase power line to be identified, and other units completely and single-phase biography
Defeated middle circuit unit is consistent, and working principle is also identical, so only will be apparent to Monophase electric power transmission action process, three-phase power is passed
It is defeated also to understand naturally, but three phase supply major loop action connection point must satisfy the operating current of three phase electric equipment,
Generally use contactor or other suitable devices.
9. a kind of remote passive control method based on power transmission and application as described in rights protection requires 1,6 is to use
Bilateral permission, sending end can control " the sending " and " disconnected " of power transmission, electricity consumption end can also control " the sending " of power transmission with
" disconnected "；Sending end permission is a side of " active ", and the permission at electricity consumption end is a side of " passive ", wherein electricity consumption end " passive " one
" sending " and " disconnected " of the control power transmission of side；Its step are as follows:
1. start-up course:
After pressing lower button AN1, B1 primary is connected on power transmission line L, N, and front end power transmission portion is entered after transmitting a distance
Point, and A point and B point through corresponding relay tip JAB, JAC, JBB, JBC and resistance R9, R10 into recognition unit circuit；
By coil B1 there is inductance value, when the inductance value is consistent with the inductance value that identification circuit is set, identification circuit starts
Oscillation is generated, frequency of oscillation is set as needed；The frequency of oscillation is sent to being judged among control centre unit U5, analyzed,
When determining consistent with program, ordering its 7th foot is zero potential, that is, A point is zero potential, and identification circuit stops oscillation, monolithic
Machine carries out voltage tester to B point；By the DC impedance that user terminal coil B1 is constant, the voltage value of B point is sent to single-chip microcontroller
Be compared in respective foot, when correctly then assigning relevant instruction, assign JBA action command first, associated contacts JBB and
JBC movement, is forwarded on discharge module, after being delayed, then assigns JAA action command, corresponding contact switching action to electric power
On output line, electric power starts to transmit its electric power；
By the movement of two groups of contacts, identification circuit and control centre's circuit and power circuit are fully disconnected, it is therefore prevented that electricity
Power enters these circuits, to complete start-up course；Electric power is depressured by user terminal power transformer B1, then rectified, is lighted
Luminous tube LED illustrates that power transmission is completed；At this time AN1 is unclamped in time, electricity consumption is set within the scope of the delay time that electric power is sent out
Standby to start to work, then be delayed cancellation, and electric power still maintains submitting；If electrical equipment does not still have in this delay process
Work, then delay one is arrived, single-chip microcontroller assigns not electricity consumption instruction, working for starting circuit, cutting electric power output；
2. normal electricity consumption process
In transmission process, electrical equipment normal use, and power current is within the allowable range, and monolithic is sent into after current detecting
The 15th foot of machine is analyzed and determined: correct then execute, circuit is failure to actuate, and electric power continues to confess, and otherwise, can enter overload prevention mistake
Journey；
3. electricity consumption finishes process
After electrical equipment stops electricity consumption, due to the unexpected reduction of operating current, analyzed and determined after current detecting to single-chip microcontroller,
If this phenomenon continues the regular hour, single-chip microcontroller acts accordingly, and discharges JAA relay, the power supply of electrical equipment is broken
It opens, and is connected with discharge module, discharge remaining capacity in electrical equipment, after a certain period of time, single-chip microcontroller assigns JBA again
Relay releases order, corresponding contact and switching motion, restores its static position, i.e. outside line is connect with identification circuit again, is
Next time, work was ready in starting；
4. overload prevention process
In normal power supply, when load faulty causes load to aggravate, electric current increases, and is more than the protective value of setting and the rule that are delayed
After the fixed time, current detecting unit output valve is quickly detected by single-chip microcontroller, is analyzed and determined and makes stopping power supply instruction, held
Row circuit finishes process corresponding actions according to third step electricity consumption, and cutting electric power output determines electrical equipment safety.
10. a kind of remote passive control method based on power transmission and application as described in rights protection requires 1,7 is to use
Bilateral permission, sending end can control " the sending " and " disconnected " of power transmission, electricity consumption end can also control " the sending " of power transmission with
" disconnected "；Sending end permission is a side of " active ", and the permission at electricity consumption end is a side of " passive ", wherein electricity consumption end " passive " one
" sending " and " disconnected " of the control power transmission of side；Its step are as follows:
AN2 is pressed, B1 is accessed in front end recognition unit, and electric power is sent to B1, is rectified through B1 decompression, bridge heap Q1, is exported respective straight
Galvanic electricity is depressed into J1A, and relay J1A is attracted, contact J1B: J1C closure is completed electric current self-insurance and is acted, indication light Guan Liang, this
Shi Songkai AN2；
The contact AN2 is shorted by J1B contact, continues to power to B1, guard relay J1A keeps attracting state, and JIC contact closes
It closes, electric supply rectifies output direct current through bridge heap Q2 after resistance R2, capacitor C2 decompression and acts to J2A, relay J2A, connects
Point J2B, J2C closure, to power supply for electrical equipment；
Even if electric power still but is able to continued power, passes through two relays and resistance-capacitance depressurization, bridge rectifier after unclamping AN2
Operating current, so that current detection circuit single-chip microcontroller is provided minimum running parameter, guarantee that major loop electric power works normally；
If necessary to cut off front-end power output, as long as after pressing AN1, J1A, J2A of relay successively discharge, contact is disconnected
It opens, has cut off the electric power of electrical equipment immediately；After being set the time, outside line major loop electric power is also then cut off；The starting module
Circuit not only has the function of that remotely starting electric power exports, and is also equipped with the function of remote shutdown electric power output.
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