CN201022154Y - End dual-power automatic conversion switch control circuit - Google Patents

End dual-power automatic conversion switch control circuit Download PDF

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Publication number
CN201022154Y
CN201022154Y CNU2006201516511U CN200620151651U CN201022154Y CN 201022154 Y CN201022154 Y CN 201022154Y CN U2006201516511 U CNU2006201516511 U CN U2006201516511U CN 200620151651 U CN200620151651 U CN 200620151651U CN 201022154 Y CN201022154 Y CN 201022154Y
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China
Prior art keywords
resistance
circuit
power supply
diode
indicator light
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Expired - Fee Related
Application number
CNU2006201516511U
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Chinese (zh)
Inventor
韩永清
杨勇
张耀军
顾耀兴
史慧龙
张乃彦
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NUOER ELECTRIC CO Ltd TIANJIN CITY
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NUOER ELECTRIC CO Ltd TIANJIN CITY
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Priority to CNU2006201516511U priority Critical patent/CN201022154Y/en
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Publication of CN201022154Y publication Critical patent/CN201022154Y/en
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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
    • 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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  • Inverter Devices (AREA)

Abstract

The utility model relates to a tail-end dual power supply automatic transfer switch control circuit, wherein the utility model is provided with a relay J1 connected with the power supply and simultaneously equipped with a transfer and an indicator light circuits in the 'automatic/ manual' condition, and a transfer and an indicator light circuits in the 'self-restoring/mutual-preparing' condition; the utility model is also provided with diodes D12 and D11 for supplying the power to the indicator light in the 'automatic/ manual' condition and the indicator light in the 'self-restoring/mutual-preparing' condition; a luminescent diode LED6, a diode D5 and a resistance R1 form a main power indicator light circuit; a luminescent diode LED15, a resistance R4 and a diode D20 form a spare power supply indicator light circuit; diodes D1, D2, D3 and D4 and diodes D16, D17, D18 and D 19 equipped separately form two full-bridge rectification circuits; and a controlled silicon Q1, a resistance R6, an optical coupling U1, a capacitance C1, a resistance R7, a switch K1-2, a resistance R5 and the diodes D16, D17, D18 and D19 form a 'self-restoring/mutual-preparing' control circuit. The circuit has simple design, safe and reliable capability, low cost and wide application, saves the energy, and reduces the consumption.

Description

Automatic change-over control circuit of terminal duplicate supply
Technical field
The utility model relates to a kind of power circuit, particularly a kind of automatic change-over control circuit of terminal duplicate supply.
Background technology
At present, in daily production, life, there is the electricity consumption of a lot of occasions to require the comparison strictness, usually requires uninterrupted power supply.Yet, in the reality for various reasons electric power system can run into such or such fault, thereby cause the interruption of powering, this makes troubles for people's life and cause loss in the production.In this case, require to power simultaneously with the two-way power supply, in the time of one road power supply generation problem, take over this road power supply by another road power supply and continue power supply, this work is mainly finished automatically by double power supply automatic transfer switch.Though existing two-supply circuit function is more, the circuit complexity, the fault point is many, manufacturing cost height, and inconvenient maintenance.And most duplicate supply usually is used in the end of electric power system again, actual fully need so much complicated defencive function, so the global function duplicate supply is used in such occasion and both increased the fault point, can cause the waste of resource, the energy again.
The utility model content
The purpose of this utility model is to overcome above-mentioned weak point, provides a kind of simple in structure, reasonable in design, safe and reliable and widely used automatic change-over control circuit of terminal duplicate supply.
The technical scheme that the utility model adopted is for achieving the above object: a kind of automatic change-over control circuit of terminal duplicate supply, it is characterized in that this circuit is provided with the relay J 1 that is connected with power supply, comprise LED 8, LED9, K switch 2-1, resistance R 2 composition " automatic/hand " status indicator lamp circuit simultaneously; LED 13, LED14, K switch 1-1, resistance R 3 are formed " runback/be equipped with mutually " status indicator lamp circuit; Diode D12 and D11 provide power supply for " automatic/hand " status indicator lamp and " runback/be equipped with mutually " status indicator lamp; LED 6, D5, resistance R 1 are formed the main power source indicator light circuit; LED 15, resistance R 4, diode D20 form the stand-by power supply indicator light circuit; The diode D1 that is provided with, D2, D3, D4 and D16, D17, D18, D19 form two full bridge rectifiers respectively; Controllable silicon Q1, resistance R 6, optocoupler U1, capacitor C 1, resistance R 7, K switch 1-2, resistance R 5 and diode D16, D17, D18, D19 have formed " runback/be equipped with mutually " control circuit; When K switch 1 during at the runback state, K1-2 is in off-state, if currently work on stand-by power supply, through diode D1, D2, D3, D4 relay J 1 coil to be got electric once main power source recovers normally then controllable silicon Q1 conducting so, and relay J 1 contact is moving does duplicate supply and forward on the main power source and work; When K switch 1 when mutually being equipped with state, K switch 1-2 is in make position, if current duplicate supply is worked on stand-by power supply, if this moment, main power source recovered normally then because optocoupler U1 is in running order so, 3, the 4 end conductings of optocoupler U1, then the triggering signal of controllable silicon Q1 is by bypass, not conducting of controllable silicon Q1, thus relay J 1 be failure to actuate, duplicate supply is still worked on stand-by power supply; And be respectively equipped with the piezo-resistance RV1 of protection relay J1 coil, the piezo-resistance RV2 of protection motor M coil and the commutation capacitor C2 of motor M.
The beneficial effects of the utility model are: because a lot of applications duplicate supply all is the end that is used for electric power system; its upper end also has a lot of protectiveness circuit; therefore be operated in terminal duplicate supply and just there is no need the design iterations protective circuit; so should design adopt simple and practical effective measures; avoid the loaded down with trivial details protective circuit of design iterations; so both saved resource, can design two-supply circuit simpler again, and made its work more reliable.The components and parts that this circuit adopted all are components and parts commonly used, function admirable, stable, cheaply be beneficial to production, be convenient to maintenance, because the circuit of this duplicate supply is extremely simple and circuit in adopt resistance mostly, the components and parts that failure rate such as electric capacity, diode is extremely low, so production technology wants simple many than the global function duplicate supply, hazard rate also reduces a lot than global function duplicate supply.Tip type double power supply automatic transfer switch circuit operates mainly in the end of electric power system, it is the simplification version of global function double power supply automatic transfer switch, it only provides basic power supply to detect and translation function, so circuit reduction can be arrived bottom line, thereby make the service behaviour of circuit more stable.
In a word, the utility model circuit design is simple, and performance is safe and reliable, and is energy-saving and cost-reducing, uses easyly, applied widely, effectively reduces the manufacturing cost of product, is highly suitable for large-scale production.
Description of drawings
Fig. 1 is the utility model circuit theory diagrams.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, details are as follows to embodiment, structure, feature that foundation the utility model provides:
Referring to Fig. 1, a kind of automatic change-over control circuit of terminal duplicate supply, it is characterized in that this circuit is provided with the relay J 1 that is connected with power supply, comprise LED 8, LED9, K switch 2-1, resistance R 2 composition " automatic/hand " status indicator lamp circuit simultaneously, wherein LED 8 is an automatic pilot lamp, LED 9 is manual indicator light, K2-1 is " automatic/hand " status indicator lamp change over switch, and resistance R 2 is " automatic/hand " status indicator lamp current-limiting resistance; LED 13, LED14, K switch 1-1, resistance R 3 are formed " runback/be equipped with mutually " status indicator lamp circuit, wherein LED 13 is the runback status indicator lamp, LED 14 is to be equipped with status indicator lamp mutually, K switch 1-1 is " runback/be equipped with mutually " status indicator lamp change over switch, and resistance R 3 is " runback/be equipped with mutually " status indicator lamp current-limiting resistance; Diode D12 and D11 provide power supply for " automatic/hand " status indicator lamp and " runback/be equipped with mutually " status indicator lamp, and these two diodes are obtained electric energy from main power source and stand-by power supply respectively and offered indicator light circuit; As long as so can guarantee that main one the road normal as long as stand-by power source has, indicator light circuit just can operate as normal, these two diodes of while have also played the effect of protecting indicator light not punctured by counter voltage.LED 6, diode D5, resistance R 1 are formed the main power source indicator light circuit, and wherein LED 6 is an indicator light, and resistance R 1 is a current-limiting resistance, and diode D5 prevents LED 6 reverse breakdowns for the protection diode; LED 15, resistance R 4, diode D20 form the stand-by power supply indicator light circuit, and wherein LED 15 is an indicator light, and resistance R 4 is a current-limiting resistance, and diode D20 prevents the LED15 reverse breakdown for the protection diode; The diode D1 that is provided with, D2, D3, D4 and D16, D17, D18, D19 form two full bridge rectifiers respectively; Controllable silicon Q1, resistance R 6, optocoupler U1, capacitor C 1, resistance R 7, K switch 1-2, resistance R 5 and diode D16, D17, D18, D19 have formed " runback/be equipped with mutually " control circuit, wherein capacitor C 1 is the input filter circuit of optocoupler U1 with resistance R 7, play the effect of anti-interference and flat ripple, resistance R 5 is the current-limiting resistance of optocoupler U1 input, and resistance R 6 is the triggering resistance of controllable silicon Q1; When K switch 1 during at the runback state, K1-2 is in off-state, if currently work on stand-by power supply, through diode D1, D2, D3, D4 relay J 1 coil to be got electric once main power source recovers normally then controllable silicon Q1 conducting so, and relay J 1 contact is moving does duplicate supply and forward on the main power source and work; When K switch 1 when mutually being equipped with state, K switch 1-2 is in make position, if current duplicate supply is worked on stand-by power supply, if this moment, main power source recovered normally then because optocoupler U1 is in running order so, 3, the 4 end conductings of optocoupler U1, then the triggering signal of controllable silicon Q1 is by bypass, not conducting of controllable silicon Q1, thus relay J 1 be failure to actuate, duplicate supply is still worked on stand-by power supply; RV1 is that piezo-resistance is used for the coil of protection relay J1, and RV2 also is used for protecting the coil of motor M for piezo-resistance; Capacitor C 2 is the commutation capacitor of motor M, plays the effect that makes motor M rotating.
Relay J 1 contact position shown in Fig. 1 is that the cold position of relay coil is the off-position.K1 is the duplicate supply runback and be equipped with change over switch mutually, runback be exactly since the mains power failure duplicate supply in the stand-by power supply operating state, when main power source recover normal after, no matter stand-by power supply whether normally duplicate supply all be transformed into the main power source work of getting on; Be meant fully that mutually the two-way power supply is standby each other, main power source has fault then to forward the stand-by power supply work of getting on to, and main power source recovers normal back duplicate supply not to be changed yet, and has only just conversion after stand-by power supply breaks down.Drawn K1 is in the runback position among the figure.K2 is a manual automatic transfer switch, manually refers to all operations all by manually finishing, and promptly after working power breaks down, pull twin-power switch by the people and be transformed into the work of getting on of normal power supply; Automatically be meant that duplicate supply detects power supply status in real time, when finding that the work at present power supply breaks down, do not need manual intervention just can be transformed into the work of getting on of normal power supply automatically.Drawn K2 is at automated location among the figure.SQ1 is the main power source limit switch, and drawn position is the position of duplicate supply when not being incorporated into main power source among the figure.SQ2 is the stand-by power supply limit switch, and drawn position is the position of duplicate supply when not being incorporated into stand-by power supply among the figure.LED6 is the main power source indicator light, and when main power source had electricity, this indicator light was lighted, and LED15 is the stand-by power supply indicator light, draws indicator light and light when stand-by power supply has electricity.D1, D2, D3, D4 and D16, D17, D18, D19 form two full bridge rectifiers respectively.LED8 is the auto state indicator light, and LED9 is the manual state indicator light, and LED13 is the runback status indicator lamp, and LED14 is equipped with status indicator lamp mutually.M is a reversing motor.RV1, RV2 is a piezo-resistance, is respectively applied for absorption relay and the motor disconnection inverse electromotive force that moment produced and plays a protective role.U1 is an optocoupler, is used for runback and the control that is equipped with mutually.
The operation principle of circuit is as follows: at first establish K1 in the runback position, K2 is at automated location, the all normal and duplicate supply of major-minor power supply is in the main power source position, controllable silicon Q1 touches and conducting by triggering resistance R 6, make relay J 1 get electric adhesive, stand-by power supply is cut off, and main power source is switched on, and zero line also is transformed on the main power source from stand-by power supply simultaneously.Relay electric-loss discharges when main power source breaks down, then main power source is cut off, stand-by power supply is switched on, and zero line is transformed on the stand-by power supply from main power source, and motor gets electric rotation, the driven by motor transmission device is with the auxiliaries-supply circuit-breaker closure, after auxiliaries-supply circuit-breaker was incorporated into the position, travel switch SQ2 action disconnected motor and stand-by power supply, motor stall this moment, duplicate supply is stabilized in the stand-by power supply operating state.If it is normal that main power source recovers again, then relay adhesive stand-by power supply be disconnected motor once more electricly rotate to the main power source direction, the driven by motor transmission device is with the main power source breaker closing simultaneously, after the main power source circuit breaker is incorporated into the position, travel switch SQ1 action disconnects motor, motor stall, duplicate supply are stabilized in the main power source operating state again.If K1 is being equipped with the position mutually, so when stand-by power supply is worked, optocoupler U1 also electric work, it falls the triggering signal shorted to earth of controllable silicon Q1, even main power source recovers normal because controllable silicon does not have the triggering signal relay J 1 can adhesive yet like this, motor just can not rotate yet, and duplicate supply is failure to actuate.If K2 is in manual position, then the common wire of motor is broken, and motor can not rotate, and all conversions just all are fixed against manually.
In a word, duplicate supply detects the power supply state of two-way power supply in real time, judges whether the work at present power supply is good, whether should be transformed into another road power supply and go the direction of rotation of work and control motor to realize the mutual conversion of two-way power supply.When the power supply of finding work at present has a power failure, imbalance of three-phase voltage, during problem such as power frequency deviation is excessive, and the stand-by power supply power supply quality will be transformed on the stand-by power supply automatically when good and works.Two circuit breakers finish thereby conversion work is mainly pulled by the motor drives mechanical transmission mechanism.
Above-mentioned detailed description of automatic change-over control circuit of terminal duplicate supply being carried out with reference to embodiment; be illustrative rather than determinate; therefore in the variation and the modification that do not break away under the utility model general plotting, should belong within the protection range of the present utility model.

Claims (1)

1. automatic change-over control circuit of terminal duplicate supply, it is characterized in that this circuit is provided with the relay (J1) that is connected with power supply, comprise simultaneously being equipped with automatic/hand status indicator lamp circuit of forming by light-emitting diode (LED8, LED9), switch (K2-1), resistance (R2) and the runback of forming by light-emitting diode (LED13, LED14), switch (K1-1), resistance (R3)/mutually the status indicator lamp circuit; Automatic/hand status indicator lamp circuit is with runback/the status indicator lamp circuit is connected diode (D12), (D11) fully mutually; And with the main power source indicator light circuit that is provided with, stand-by power supply indicator light circuit, runback/control circuit is connected fully mutually; Described main power source indicator light circuit is connected to form by light-emitting diode (LED6), diode (D5), resistance (R1); Described stand-by power supply indicator light circuit is connected to form by light-emitting diode (LED15), resistance (R4), diode (D20); Described runback/be equipped with control circuit mutually to connect to form by controllable silicon (Q1), resistance (R6), optocoupler (U1), electric capacity (C1), resistance (R7), switch (K1-2), resistance (R5) and diode (D16, D17, D18, D19), and be connected with the diode that is provided with (D1, D2, D3, D4); The piezo-resistance (RV1) that described relay (J1) coil is connected with, motor (M) coil is connected with piezo-resistance (RV2), the commutation capacitor (C2) of series connection.
CNU2006201516511U 2006-12-12 2006-12-12 End dual-power automatic conversion switch control circuit Expired - Fee Related CN201022154Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2006201516511U CN201022154Y (en) 2006-12-12 2006-12-12 End dual-power automatic conversion switch control circuit

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Application Number Priority Date Filing Date Title
CNU2006201516511U CN201022154Y (en) 2006-12-12 2006-12-12 End dual-power automatic conversion switch control circuit

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103248113A (en) * 2013-05-16 2013-08-14 天津市百利电气有限公司 Automatic change-over switch controller
CN103280883A (en) * 2013-06-09 2013-09-04 广东雅达电子股份有限公司 Drive circuit of ATE conversion mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103248113A (en) * 2013-05-16 2013-08-14 天津市百利电气有限公司 Automatic change-over switch controller
CN103248113B (en) * 2013-05-16 2016-05-11 天津市百利电气有限公司 A kind of automatic transfer switch controller
CN103280883A (en) * 2013-06-09 2013-09-04 广东雅达电子股份有限公司 Drive circuit of ATE conversion mechanism
CN103280883B (en) * 2013-06-09 2015-08-19 广东雅达电子股份有限公司 A kind of drive circuit of ATSE switching mechanism

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C17 Cessation of patent right
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Granted publication date: 20080213

Termination date: 20100112