CN107645205A - A kind of double power supply converting switch control circuit - Google Patents
A kind of double power supply converting switch control circuit Download PDFInfo
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- CN107645205A CN107645205A CN201710985116.9A CN201710985116A CN107645205A CN 107645205 A CN107645205 A CN 107645205A CN 201710985116 A CN201710985116 A CN 201710985116A CN 107645205 A CN107645205 A CN 107645205A
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- 239000004230 Fast Yellow AB Substances 0.000 description 6
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The present invention relates to a kind of double power supply converting switch control circuit, double power supply converting switch includes being used for the switching mechanism for controlling conventional power supply and stand-by power supply to close a floodgate, and switching mechanism is by motor driven.Control circuit includes：Rotate forward control unit：Being rotated forward for controlled motor causes switching mechanism to move to conventional power supply closing position；Invert control unit：Being inverted for controlled motor causes switching mechanism to move to stand-by power supply closing position；Switch control unit：For commonly using power supply and stand-by power supply abnormality detection and controlling the switching for rotating forward control unit and inverting control unit working condition.When conventional power supply is normal, switching mechanism switches to conventional power supply closing position；When conventional abnormity of power supply, switching mechanism switches to stand-by power supply power supply closing position；When conventional power supply and abnormal stand-by power supply, switching mechanism stops switching.Compared with prior art, circuit of the present invention is simple, switching reliability is high, meets requirement of the new edition this standard to basic type controller.
Description
Technical field
The present invention relates to a kind of dual power supply to switch product, more particularly, to a kind of double power supply converting switch control circuit.
Background technology
Double power supply converting switch is from (conventional power supply) changing-over of power supply all the way to another way power supply (standby electricity by load circuit
Source) device for switching, it is used primarily in emergency power supply system.When conventional power supply goes wrong and can not continue as load equipment has
Stand-by power supply is switched to during effect power supply, so as to the normal and continuous operation of proof load equipment.
Double power supply converting switch generally includes two breakers and the switching mechanism being arranged between two breakers.Switching
Mechanism generally comprises rotating disk and is symmetrically disposed on the pushing of rotating disk both sides, and rotating disk is used to drive pushing to swing, and pushing pushes away
The handle of dynamic breaker, to realize the combined floodgate of breaker or separating brake.
The dual power supply switching product sold on the market at present only possesses the normal stand-by power supply of detection mostly in order to cost-effective
Decompression function, the function of detection open phases of three-phase power source can not be realized.New edition this standard《GB 14048.11-2016 low tension switches are set
Standby and control device 6-1 parts multifunctional electric appliance transfer switching equipment》New demand, basic model dual power supply control are proposed after out
Device processed must possess detectable conventional phase shortage and decompression, standby only to detect decompression.
In addition, existing dual power supply switching product, because compact structure is compact, the auxiliary of detection breaker closing in place is opened
Pass is difficult to synchronous with breaker closing, and auxiliary switch is in place but breaker does not close really, is led to breaker
Lower mouth is without electricity, function of supplying power failure.
The content of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of switching of dual power supply is opened
Close control circuit.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of double power supply converting switch control circuit, described double power supply converting switch include be used for control conventional power supply and
The switching mechanism that stand-by power supply closes a floodgate, described switching mechanism connection motor, described motor positive and inverse is dynamic to drive switching mechanism
Moving to setting position causes conventional power supply or stand-by power supply to close a floodgate, and described conventional power supply and stand-by power supply are three-phase and four-line
Power supply processed, described control circuit include：
Rotate forward control unit：Being rotated forward for controlled motor causes switching mechanism to move to conventional power supply closing position；
Invert control unit：Being inverted for controlled motor causes switching mechanism to move to stand-by power supply closing position；
Switch control unit：Control unit and reversion control are rotated forward for commonly using power supply and stand-by power supply abnormality detection and controlling
The switching of cell operation state processed, when conventional power supply is normal, switching mechanism switches to conventional power supply closing position, when conventional electricity
During the exception of source, switching mechanism switches to stand-by power supply power supply closing position, when conventional power supply and abnormal stand-by power supply, switching
Mechanism stops switching.
Described rotating forward control unit includes the first microswitch, the first relay power supply branch road and discharge delay and rotates forward branch
Road, any one phase in the conventional power supply of the first described microswitch common port connection and as the positive pole of rotating forward control unit,
Conventional mains neutral line output terminal is also connected with first as the negative pole for rotating forward control unit, the first described microswitch common port
Relay power supply branch road, the first described relay power supply branch road connection motor rotate forward power supply terminal, and the first described microswitch is normal
Closed end rotates forward branch road by discharge delay and is connected to the first relay power supply branch road, and described switch control unit connects the first relay
Power supply branch road and discharge delay rotate forward branch road；
Before switching mechanism does not move to conventional power supply closing position, the first microswitch normal-closed end closure, switching control list
Member control the first relay power supply branch road work, motor rotate forward；
After switching mechanism moves to conventional power supply closing position, the first microswitch normal-closed end disconnects with common port, now,
If conventional power supply is normal, discharge delay rotates forward branch road output voltage and causes the power supply finger delays work of the first relay until delay knot
Beam, and then motor rotates forward until delay terminates；If conventional abnormity of power supply, switch control unit controls the first relay power supply branch road
It is stopped, while switch control unit control reversion control unit work, motor reversal, switching mechanism move to stand-by power supply
Closing position.
Described the first relay power supply branch road includes the first relay, rotates forward control triode, the first relay coil one
End connection rotates forward control unit positive pole, and the connection of the first relay coil other end rotates forward control transistor collector, rotates forward control
The connection of triode emitting stage rotates forward control unit negative pole, rotates forward control triode base stage connection switch control unit, the first relay
The normally-closed contact of the first switch of device is hanging, and the normally opened contact connection of the first switch of the first relay is rotating forward control unit just
Pole, the normally-closed contact connection reversion control unit negative pole of the second switch of the first relay, the second switch of the first relay
Normally opened contact connection rotates forward control unit negative pole.
Described discharge delay, which rotates forward branch road, includes multiple be connected in series between rotating forward control unit positive pole and negative pole
Divider resistance, the resistance both ends being directly connected to rotating forward control unit negative pole are connected in parallel to the first electric capacity, the described first electricity
Hold positive pole connection switch control unit.
Described reversion control unit includes the second microswitch, the second relay power supply branch road and discharge delay reversion branch
Road, the second described microswitch common port connection stand-by power supply in any one phase and as invert control unit positive pole,
Negative pole of the stand-by power supply neutrality line output terminal as reversion control unit, the second described microswitch common port are also connected with second
Relay power supply branch road, the second described relay power supply branch road connection motor reversal power supply terminal, the second described microswitch are normal
Closed end inverts branch road by discharge delay and is connected to the second relay power supply branch road, and described switch control unit connects the second relay
Power supply branch road；
Conventional power supply no exceptions, switch control unit lock the second relay power supply branch road, and the second power supply branch road is not
Work；
Exception occurs for conventional power supply, and switch control unit unlocks the second relay power supply branch road, the second power supply branch road
Work, motor reversal, switching mechanism move to stand-by power supply closing position.
Described the second relay power supply branch road includes the second relay, reversion control triode, the second relay coil one
End connection reversion control unit positive pole, second relay coil other end connection reversion control transistor collector, reversion control
The connection of triode emitting stage rotates forward control unit negative pole, and reversion control triode base stage and emitter stage are all connected with switching control list
Member, the normally-closed contact of the first switch of the second relay is hanging, the normally opened contact connection reversion of the first switch of the second relay
Control unit positive pole, the normally-closed contact and normally opened contact of the second switch of the second relay are hanging.
Described discharge delay reversion branch road includes multiple be connected in series between reversion control unit positive pole and negative pole
Divider resistance, the resistance both ends being directly connected to reversion control unit negative pole are connected in parallel to the second electric capacity, the described second electricity
Hold positive pole and reversion control transistor base, the second electric capacity negative pole connection reversion control transistor emitter are connected to by resistance.
Switch control unit includes being used for the conventional power phase shortage detection for detecting whether conventional mains neutral point voltage is zero
Module, conventional control output end mouth and standby locking output port, the conventional electricity of described conventional power phase shortage detection module connection
Source neutral point, described conventional control port set two and are respectively connecting to rotate forward control unit, and described standby locking is defeated
Exit port sets two and is respectively connecting to invert control unit.
Compared with prior art, the invention has the advantages that：
(1) whether it is zero that the present invention is pressed using the conventional conventional mains neutral point of power phase shortage detection module detection, if
Open-phase fault does not occur for zero conventional power supply, otherwise commonly uses power supply and open-phase fault occurs, and then controlled by switch control unit
Control unit work is inverted, switching mechanism switches to stand-by power supply position, and auxiliaries-supply circuit-breaker closes a floodgate, and starts stand-by power supply；
Additionally, due to by directly using any one phase in conventional power supply and stand-by power supply as rotate forward control unit and
Invert the power supply of control unit, therefore when no-voltage fault occurs for conventional power supply or stand-by power supply, rotate forward control unit with
Reversion control unit will not work, and directly reflect no-voltage fault, thus achieve conventional power detecting phase shortage and decompression
Function, stand-by power supply detection decompression function, meets《GB 14048.11-2016 low voltage switch equipments and control device 6-1 portions
Division multi-functional electrical equipment transfer switching equipment》It is required that；
(2) two microswitches of the invention commonly use breaker closing corresponding to power supply and stand-by power supply in place equivalent to detection
Auxiliary switch, and auxiliary switch be difficult to it is synchronous with breaker closing, i.e., microswitch normal-closed end disconnect after breaker
Can't really close, thus the present invention rotate forward control unit and upset control unit be correspondingly arranged discharge delay rotate forward branch road and
Discharge delay inverts branch road, so as to be can continue to after microswitch normal-closed end disconnects so that motor forward or reverse, so that
Obtain switching mechanism motion in place so that short-circuiting device in-place closing corresponding to conventional power supply or stand-by power supply, ensure power supply reliability；
(3) present invention when conventional power supply is normal, the standby locking output port of switch control unit is by the way that controlled by reversion
The base stage of triode processed connects with emitter stage, forces that reversion control triode locking, the second relay power supply branch road can not be worked,
Switching mechanism can not be switched to stand-by power supply position, ensure that the reliability of power supply.
Brief description of the drawings
Fig. 1 is the electrical block diagram of double power supply converting switch control circuit of the present invention.
Embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in figure 1, a kind of double power supply converting switch control circuit, double power supply converting switch includes being used to control conventional electricity
The switching mechanism that source and stand-by power supply close a floodgate, switching mechanism connection motor, the dynamic drive switching mechanism of motor positive and inverse, which moves to, to be set
Positioning, which is put, causes conventional power supply or stand-by power supply to close a floodgate, and commonly uses power supply and stand-by power supply is three-phase four-wire system power supply, in figure
NPower, NB and NC are respectively A, B, C three-phase of conventional power supply, and NN is the neutral conductor of conventional power supply, and RPower is stand-by power supply
A phases, RN be stand-by power supply the neutral conductor.MOTOR is socket, socket MOTOR connection conversion motors, socket A/M connections are automatic/
Set and switch manually, 1 in socket MOTOR connects with 3 in socket A/M, and it is commonly connected to rotate and reverse negative pole as motor
Point, 2 in socket MOTOR positive source tie points when being rotated forward for motor, 3 in socket MOTOR power supplys when being motor reversal are just
Pole tie point.
The double power supply converting switch control circuit of the present embodiment includes：
Rotate forward control unit：Being rotated forward for controlled motor causes switching mechanism to move to conventional power supply closing position；
Invert control unit：Being inverted for controlled motor causes switching mechanism to move to stand-by power supply closing position；
Switch control unit：Control unit and reversion control are rotated forward for commonly using power supply and stand-by power supply abnormality detection and controlling
The switching of cell operation state processed, when conventional power supply is normal, switching mechanism switches to conventional power supply closing position, when conventional electricity
During the exception of source, switching mechanism switches to stand-by power supply power supply closing position, when conventional power supply and abnormal stand-by power supply, switching
Mechanism stops switching.
Rotating forward control unit includes the first microswitch N_AUX, the first relay power supply branch road and discharge delay rotating forward branch road,
The connection of first microswitch N_AUX common ports commonly uses any one phase in power supply and as positive pole (this reality for rotating forward control unit
Apply example connection is the A phases of conventional power supply, i.e. NPower in figure), mains neutral line output terminal is commonly used as rotating forward control unit
Negative pole, the first microswitch N_AUX common ports be also connected with the first relay power supply branch road, the first relay power supply branch road connection motor
Power supply terminal is rotated forward, the first microswitch N_AUX normal-closed ends rotate forward branch road by discharge delay and are connected to the first relay power supply branch
Road, switch control unit connects the first relay power supply branch road and discharge delay rotates forward branch road；
Before switching mechanism does not move to conventional power supply closing position, the first microswitch N_AUX normal-closed ends closure, switching control
Unit processed controls the power supply branch road work of the first relay, and motor rotates forward；
After switching mechanism moves to conventional power supply closing position, the first microswitch normal-closed end disconnects with common port, now,
If conventional power supply is normal, if conventional power supply is normal, discharge delay rotates forward branch road output voltage and the first relay power supply branch road is prolonged
Work late is until delay terminates, and then motor rotates forward until delay terminates；If conventional abnormity of power supply, switch control unit control
First relay power supply branch road is stopped, while switch control unit control reversion control unit work, motor reversal, switching machine
Structure moves to stand-by power supply closing position.
First relay power supply branch road includes the first relay K101, rotates forward control triode Q101, the first relay K101
The connection of coil one end rotates forward control unit positive pole, and the connection of the first relay K101 coils other end rotates forward control triode Q101 collection
Electrode, rotate forward the emitting stage connection of control triode and rotate forward control unit negative pole, rotate forward the base stage connection switching control of control triode
Unit, the normally-closed contact of the first relay K101 first switch is hanging, and the normally opened of the first relay K101 first switch touches
Point connection rotates forward control unit positive pole, and the normally-closed contact connection reversion control unit of the first relay K101 second switch is born
Pole, the normally opened contact connection of the first relay K101 second switch rotate forward control unit negative pole.
Discharge delay, which rotates forward branch road, includes multiple partial pressure electricity for being connected in series in and rotating forward between control unit positive pole and negative pole
Resistance, the resistance both ends being directly connected to rotating forward control unit negative pole are connected in parallel to the first electric capacity E104, and the first electric capacity E104 is just
Pole connects switch control unit.
Inverting control unit includes the second microswitch R_AUX, the second relay power supply branch road and discharge delay reversion branch road,
Second microswitch R_AUX common ports connect any one phase in stand-by power supply and as positive pole (this realities of reversion control unit
Apply the A phases in example the second microswitch R_AUX common ports connection stand-by power supply), stand-by power supply neutrality line output terminal is as reversion
The negative pole of control unit, the second microswitch R_AUX common ports are also connected with the second relay power supply branch road, the second relay power supply branch road
Connect motor reversal power supply terminal, the second microswitch R_AUX normal-closed ends by discharge delay invert branch road be connected to second after
Electricity power supply branch road, switch control unit connect the second relay power supply branch road；
Conventional power supply no exceptions, switch control unit control the power supply branch road locking of the second relay, the second power supply branch road
Do not work；
Exception occurs for conventional power supply, and switch control unit controls the second relay power supply branch road to unlock, the second power supply branch
Road works, and motor reversal, switching mechanism moves to stand-by power supply closing position.
Second relay power supply branch road includes the second relay K100, reversion control triode Q100, the second relay K100
Coil one end connection reversion control unit positive pole, second relay K100 coils other end connection reversion control triode Q100 collection
Electrode, reversion control triode emitting stage connection rotate forward control unit negative pole, and reversion control triode base stage and emitter stage connect
Switch control unit is connect, the normally-closed contact of the second relay K100 first switch is hanging, and the first of the second relay K100 opens
The normally opened contact connection reversion control unit positive pole of pass, the normally-closed contact and normally opened contact of the second relay K100 second switch
It is hanging.
Discharge delay reversion branch road includes multiple partial pressure electricity being connected in series between reversion control unit positive pole and negative pole
Resistance, the resistance both ends being directly connected to reversion control unit negative pole are connected in parallel to the second electric capacity E105, and the second electric capacity E105 is just
Pole is connected to reversion control triode Q100 base stages, the second electric capacity E105 negative poles connection reversion control triode Q100 by resistance
Emitter stage.
Switch control unit includes being used for the conventional power phase shortage detection for detecting whether conventional mains neutral point voltage is zero
Module, conventional control output end mouth and standby locking output port, commonly use the conventional mains neutral of power phase shortage detection module connection
Point, it is respectively that P11 and P12, P11 and P12 are respectively connecting to rotate forward control unit, standby locking that conventional control port, which sets two,
It is respectively that P21 and P22, P21 and P22 are respectively connecting to invert control unit, P11 the first electric capacity of connection that output port, which sets two,
E104 positive poles, P12 connections rotate forward control triode Q101 base stage, P21 connections reversion control triode Q100 base stage, P22
Connection reversion control triode Q100 emitter stage；
When conventional power phase shortage detection module is detected when conventional mains neutral point voltage is zero, (i.e. conventional power supply does not lack
Phase fault), P11 and P12 conductings, P21 and P22 conductings, reversion control triode Q100 base voltages are forced to drag down, reversion control
Unit locks；
When conventional power phase shortage detection module is detected when conventional mains neutral point voltage is non-zero, (conventional power supply occurs to lack
Phase fault), P11 and P12 disconnect, and P12 is low level, and rotating forward control triode Q101 can not work, and invert control triode
Q100 ON operations, reversion control unit work, switching mechanism switch to stand-by power supply position.
The operation principle of the present embodiment double power supply converting switch control circuit is as follows：
Conventional power supply three-phase NPower, NB, NC passes through dropping resistor R116, R117, R119, R120, R122, the R123 of connecting
After be connected in parallel, due to three-phase electricity between phase and phase phase differ 120 degree, when three-phase voltage is essentially identical, pass through load
The point that (impedance is identical) links together is then neutral point, voltage zero.When having a phase in three-phase or two-phase lacks, phase difference
Balance break, then neutral point voltage is not zero.Three-phase lack phase is detected according to this principle or Voltage unbalance signal is used as control
Signal processed, for controlling the first relay K101, realize the control of conversion motor.
Conventional power supply A phases are powered by element D100, E100, E101, R128, R102, R100 to the first relay K101,
E100 and E101 series connection increase electric capacity is pressure-resistant, and R128 and R102 are used to press.When switching mechanism is not transformed into conventional position of source
When, conventional power supply A phases by the first microswitch N_AUX common ports and normal-closed end be connected to D102, R104, R106, R112,
E104, C100, conventional control unit, Q101 realize by the first microswitch N_AUX controls the first relay K101 of driving to
The purpose of conventional position of source conversion.Before mechanism is transformed into conventional position of source, the first microswitch N_AUX normal-closed ends and public affairs
End disconnects altogether, and now electric capacity E104 continues to drive by resistance R112 and conventional control unit, rotating forward control triode Q101 electric discharges
Dynamic first relay K101, untill the electricity of the first electric capacity E104 storages discharges, reach delay and running motor and rotate, make electricity
Machine lead agency reliably changes purpose in place.
When conventional power supply is normal, reversion control triode Q100 cut-offs, so as to which the second relay K100 is unable to adhesive, prevent
Only changed to stand-by power supply direction.
Similarly, stand-by power supply A phases (RPower) by element D101, E102, E103, R127, R103, R101 to second after
Electrical equipment K100 powers.When conventional abnormity of power supply, standby lock cell unlocks, and stand-by power supply A phases pass through microswitch R_AUX
Common port and normal-closed end are connected to D103, R105, R108, R111, E105, C102, R109, Q100 realization and opened by the second fine motion
Close the purpose that the second relay K100 of R_AUX control drivings changes to stand-by power supply position.When switching mechanism is transformed into standby electricity
Before source position, the second microswitch R_AUX normal-closed ends and common port disconnect, now the second electric capacity E105 by resistance R111,
R109 and reversion control triode Q100 electric discharges, continue to drive the first relay K101 adhesives, until the second electric capacity E105 is stored
Electricity discharge untill, reach delay and running motor and rotate, make motor driven mechanism reliably conversion purpose in place.
Entirely the purpose of control circuit realization is：Conventional supply voltage is normal (no phase shortage and decompression are abnormal), then switch turns
Change to conventional position of source.When conventional supply voltage is abnormal, then switch is transformed into stand-by power supply position.When conventional and stand-by power supply
When voltage has abnormal simultaneously, switch stops conversion.
Claims (8)
1. a kind of double power supply converting switch control circuit, described double power supply converting switch includes being used for controlling conventional power supply and standby
The switching mechanism to be closed a floodgate with power supply, described switching mechanism connection motor, described motor positive and inverse is dynamic to drive switching mechanism fortune
Moving to setting position causes conventional power supply or stand-by power supply to close a floodgate, and described conventional power supply and stand-by power supply are three-phase four-wire system
Power supply, it is characterised in that described control circuit includes：
Rotate forward control unit：Being rotated forward for controlled motor causes switching mechanism to move to conventional power supply closing position；
Invert control unit：Being inverted for controlled motor causes switching mechanism to move to stand-by power supply closing position；
Switch control unit：Control unit and reversion control list are rotated forward for commonly using power supply and stand-by power supply abnormality detection and controlling
The switching of first working condition, when conventional power supply is normal, switching mechanism switches to conventional power supply closing position, when conventional power supply is different
Chang Shi, switching mechanism switch to stand-by power supply power supply closing position, when conventional power supply and abnormal stand-by power supply, switching mechanism
Stop switching.
A kind of 2. double power supply converting switch control circuit according to claim 1, it is characterised in that described rotating forward control
Unit includes the first microswitch, the first relay power supply branch road and discharge delay and rotates forward branch road, and the first described microswitch is public
Any one phase in the conventional power supply of connection is held altogether and as the positive pole for rotating forward control unit, commonly use mains neutral line output terminal conduct
Rotate forward control unit negative pole, the first described microswitch common port be also connected with the first relay power supply branch road, described first
Relay power supply branch road connection motor rotates forward power supply terminal, and the first described microswitch normal-closed end rotates forward branch road by discharge delay
The first relay power supply branch road is connected to, described switch control unit connects the first relay power supply branch road and discharge delay rotates forward branch
Road；
Before switching mechanism does not move to conventional power supply closing position, the first microswitch normal-closed end closure, switch control unit control
The power supply branch road work of the first relay is made, motor rotates forward；
After switching mechanism moves to conventional power supply closing position, the first microswitch normal-closed end disconnects with common port, now, if often
Normal with power supply, discharge delay rotates forward branch road output voltage and causes the power supply finger delays work of the first relay until postponing to terminate,
And then motor rotates forward until delay terminates；If conventional abnormity of power supply, switch control unit controls the first relay power supply branch road to stop
Only work, while switch control unit control reversion control unit work, motor reversal, switching mechanism move to stand-by power supply conjunction
Gate position.
A kind of 3. double power supply converting switch control circuit according to claim 2, it is characterised in that the first described relay
Branch road of powering includes the first relay, rotates forward control triode, and the connection of first relay coil one end rotates forward control unit positive pole,
The connection of the first relay coil other end rotates forward control transistor collector, rotates forward the emitting stage connection of control triode and rotates forward control
Unit negative pole, rotates forward control triode base stage connection switch control unit, and the normally-closed contact of the first switch of the first relay hangs
Sky, the normally opened contact connection of the first switch of the first relay rotate forward control unit positive pole, the second switch of the first relay
Normally-closed contact connection reversion control unit negative pole, the normally opened contact connection of the second switch of the first relay rotate forward control unit and born
Pole.
A kind of 4. double power supply converting switch control circuit according to claim 2, it is characterised in that described discharge delay
Rotating forward branch road includes multiple divider resistances for being connected in series in and rotating forward between control unit positive pole and negative pole, with rotating forward control unit
The resistance both ends that negative pole is directly connected to are connected in parallel to the first electric capacity, the first described capacitance cathode connection switch control unit.
A kind of 5. double power supply converting switch control circuit according to claim 1, it is characterised in that described reversion control
It is public that unit includes the second microswitch, the second relay power supply branch road and discharge delay reversion branch road, the second described microswitch
Any one phase in connection stand-by power supply is held altogether and as the positive pole of reversion control unit, stand-by power supply neutrality line output terminal conduct
Invert control unit negative pole, the second described microswitch common port be also connected with the second relay power supply branch road, described second
Relay power supply branch road connection motor reversal power supply terminal, the second described microswitch normal-closed end invert branch road by discharge delay
The second relay power supply branch road is connected to, described switch control unit connects the second relay power supply branch road；
Conventional power supply no exceptions, switch control unit lock the second relay power supply branch road, and the second power supply branch road does not work；
Exception occurs for conventional power supply, and switch control unit unlocks the second relay power supply branch road, the second power supply branch road work,
Motor reversal, switching mechanism move to stand-by power supply closing position.
A kind of 6. double power supply converting switch control circuit according to claim 5, it is characterised in that the second described relay
Branch road of powering includes the second relay, reversion control triode, and second relay coil one end connects reversion control unit positive pole,
Second relay coil other end connection reversion control transistor collector, reversion control triode emitting stage connection rotate forward control
Unit negative pole, reversion control triode base stage and emitter stage are all connected with switch control unit, the first switch of the second relay
Normally-closed contact is hanging, the normally opened contact connection reversion control unit positive pole of the first switch of the second relay, the second relay
The normally-closed contact and normally opened contact of second switch are hanging.
A kind of 7. double power supply converting switch control circuit according to claim 6, it is characterised in that described discharge delay
Reversion branch road includes multiple divider resistances being connected in series between reversion control unit positive pole and negative pole, with inverting control unit
The resistance both ends that negative pole is directly connected to are connected in parallel to the second electric capacity, and the second described capacitance cathode is connected to reversion by resistance
Control transistor base, the second electric capacity negative pole connection reversion control transistor emitter.
A kind of 8. double power supply converting switch control circuit according to claim 1, it is characterised in that switch control unit bag
Include for detect conventional power phase shortage detection module that whether conventional mains neutral point voltage is zero, conventional control output end mouth and
Standby locking output port, the conventional mains neutral point of described conventional power phase shortage detection module connection, described conventional control
Port sets two and is respectively connecting to rotate forward control unit, and described standby locking output port sets two and connected respectively
To reversion control unit.
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| CN201710985116.9A CN107645205B (en) | 2017-10-20 | 2017-10-20 | Dual-power change-over switch control circuit |
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| CN201710985116.9A CN107645205B (en) | 2017-10-20 | 2017-10-20 | Dual-power change-over switch control circuit |
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| CN107645205B CN107645205B (en) | 2024-06-28 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785548A (en) * | 2019-04-04 | 2020-10-16 | 施耐德电器工业公司 | Electrical interlocking of dual-power automatic transfer switch and dual-power automatic transfer switch |
| CN112994222A (en) * | 2021-05-18 | 2021-06-18 | 泰豪科技股份有限公司 | ATS switch control circuit and control method |
| CN114893743A (en) * | 2022-04-29 | 2022-08-12 | 江苏中正照明集团有限公司 | Street lamp standby energy supply switching device and method based on urban street lamp network |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006238621A (en) * | 2005-02-25 | 2006-09-07 | Sanken Electric Co Ltd | Uninterruptible power supply |
| CN104716735A (en) * | 2015-04-04 | 2015-06-17 | 佛山蓝途科技有限公司 | Control circuit of simple double-power-supply changeover device |
| CN104716736A (en) * | 2015-04-04 | 2015-06-17 | 佛山蓝途科技有限公司 | Control circuit of double-power-supply changeover device |
| CN207504634U (en) * | 2017-10-20 | 2018-06-15 | 德力西电气有限公司 | A kind of double power supply converting switch control circuit |
-
2017
- 2017-10-20 CN CN201710985116.9A patent/CN107645205B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006238621A (en) * | 2005-02-25 | 2006-09-07 | Sanken Electric Co Ltd | Uninterruptible power supply |
| CN104716735A (en) * | 2015-04-04 | 2015-06-17 | 佛山蓝途科技有限公司 | Control circuit of simple double-power-supply changeover device |
| CN104716736A (en) * | 2015-04-04 | 2015-06-17 | 佛山蓝途科技有限公司 | Control circuit of double-power-supply changeover device |
| CN207504634U (en) * | 2017-10-20 | 2018-06-15 | 德力西电气有限公司 | A kind of double power supply converting switch control circuit |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111785548A (en) * | 2019-04-04 | 2020-10-16 | 施耐德电器工业公司 | Electrical interlocking of dual-power automatic transfer switch and dual-power automatic transfer switch |
| CN112994222A (en) * | 2021-05-18 | 2021-06-18 | 泰豪科技股份有限公司 | ATS switch control circuit and control method |
| CN114893743A (en) * | 2022-04-29 | 2022-08-12 | 江苏中正照明集团有限公司 | Street lamp standby energy supply switching device and method based on urban street lamp network |
| CN114893743B (en) * | 2022-04-29 | 2024-08-27 | 南京江行联加智能科技有限公司 | Street lamp standby energy supply switching device and method based on urban street lamp network |
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| CN107645205B (en) | 2024-06-28 |
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