CN105322549B - A kind of low-voltage intelligent voltage-regulation voltage-stabilization system - Google Patents

A kind of low-voltage intelligent voltage-regulation voltage-stabilization system Download PDF

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Publication number
CN105322549B
CN105322549B CN201510873214.4A CN201510873214A CN105322549B CN 105322549 B CN105322549 B CN 105322549B CN 201510873214 A CN201510873214 A CN 201510873214A CN 105322549 B CN105322549 B CN 105322549B
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China
Prior art keywords
relay
duplicate
voltage
relays
contactor
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CN201510873214.4A
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Chinese (zh)
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CN105322549A (en
Inventor
俞炜
林楠楠
王家裕
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福建众筹智能科技有限公司
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Priority to CN201510873214.4A priority Critical patent/CN105322549B/en
Publication of CN105322549A publication Critical patent/CN105322549A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/0006Circuit 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 for single frequency AC networks
    • H02J13/0013Circuit 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 for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0017Circuit 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 for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit
    • H02J13/0075Circuit 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 for single frequency AC networks characterised by transmission structure between the control or monitoring unit and the controlled or monitored unit with direct transmission between the control or monitoring unit and the controlled or monitored unit using radio means
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/16Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/7853
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The present invention discloses a kind of low-voltage intelligent voltage-regulation voltage-stabilization system, including single-phase intelligent pressure regulator, its feature is that single-phase intelligent pressure regulator includes intelligent control switch unit, power capacitor and a tap insulating transformer, intelligent control switch unit includes main control MCU, single-phase AC voltage current acquisition module, switch motion unit, wireless communication module, single-phase AC voltage current acquisition module, wireless communication module, power module, switch motion unit is connected with main control MCU respectively, switch motion unit is by a single-pole double throw interlock type A.C. contactor, one single-pole single-throw(SPST plain edition A.C. contactor, relay and duplicate relay combine, each relay connected with a duplicate relay after with a single-pole double throw interlock type A.C. contactor, one single-pole single-throw(SPST plain edition A.C. contactor is in parallel;Wireless communication module includes GPRS wireless communication modules and WIFI wireless communication modules.Realize that user terminal keeps output voltage stabilization automatically.

Description

A kind of low-voltage intelligent voltage-regulation voltage-stabilization system
Technical field
The present invention relates to a kind of low-voltage power supply technical field, more particularly to a kind of low-voltage intelligent voltage-regulation voltage-stabilization system.
Background technology
In the supplying power allocation technical field of rural area, low-voltage often be present in taiwan area line end, generally to line Road terminal voltage is already below qualified voltage 198V, and in rural area, remote mountain village area voltage even occurs less than below 165V's " low-voltage dead angle ", which kind of measure is taken to solve the problems, such as that current low-voltage is extremely urgent.
Have some low-voltage lifting devices at present, administered for low-voltage, improve power supply quality, but in actual motion Also still there is weak point.A kind of low-voltage intelligent voltage-regulation voltage-stabilization system of the present invention contrasts with some existing low-voltage lifting devices, With certain technical advantage, as described below:
The present invention is contrasted with patent CN103606927A:
1)CN103606927A is using single-pole single-throw(SPST type A.C. contactor as fling-cut switch, and auto-transformer is as boosting Unit not only increases installation weight, it is necessary to configure corresponding voltage stabilizing inversion manager to ensure the reliable power supply of A.C. contactor, And cost also will increase.And the present invention opens using switching of the magnetic latching relay as the tap of switching isolating transformer Close, isolating transformer is as boosting unit so that installation cost is low, in light weight.
2)Single-phase voltage regulating controller described in CN103606927A, it is to be used to gather line voltage distribution, current information, carries out Corresponding data processing simultaneously sends corresponding control instruction.It is innovative by number and the present invention uses intelligent control switch unit One is incorporated into according to collection, calculating, processing, control, switch motion, not only can gather line voltage distribution, current information enters line number According to handling and sending control instruction, also by a single-pole double throw interlock type A.C. contactor, a single-pole single-throw(SPST plain edition exchange Contactor and relay are integrated as fling-cut switch, effectively reduce the volume and weight of device, while reduce cost.
The present invention is contrasted with patent CN103683298A:
A kind of intelligent low-voltage voltage regulator described in patent CN103683298A, including transformer, voltage detecting control device, Boost breaker and bypass breaker, and for lifting circuit low-voltage.And single-phase intelligent pressure regulator of the present invention, Android system What handheld terminal and backstage main website were formed contains the integral systems such as data monitoring, parameter setting, state control, realizes transmission line voltage uprating Function, while Android system handheld terminal and backstage main website are used cooperatively, and can not only greatly facilitate in-site installation personnel Debugging, and disclosure satisfy that power supply administration realize it is home-confined can pay close attention to equipment operating condition and live line voltage distribution quality, Managing intelligent information, lifting power supply enterprise image are provided for electric company.
The content of the invention
The purpose of the present invention is in view of the above-mentioned problems, proposing a kind of low-voltage intelligent voltage-regulation voltage-stabilization system.Controlled using intellectuality Mode processed, realize that user terminal keeps output voltage stabilization automatically, can be in the range of -10% ~+7% qualified voltage, can be effective Solve the problems, such as the end low-voltage caused by taiwan area radius of electricity supply is long, also can solve the problem that season and interim concentration electricity consumption cause Voltage pulsation problem, improve taiwan area quality of voltage, ensure the reliable electricity consumption of resident.
Purpose of the present invention is achieved in that a kind of described low-voltage intelligent voltage-regulation voltage-stabilization system, including single-phase intelligence Energy pressure regulator and live wire L, zero line N on uniline, it is characterised in that:Described single-phase intelligent pressure regulator includes plastic housing open circuit Device, current transformer, intelligent control switch unit, power capacitor and(1~n)Individual tap insulating transformer, wherein n are nature Number, described intelligent control switch unit include main control MCU, single-phase AC voltage current acquisition module, switch motion unit, number According to memory module, power module, wireless communication module, described single-phase AC voltage current acquisition module, data memory module, Wireless communication module, power module, switch motion unit are connected with main control MCU respectively, and described switch motion unit is by one Individual single-pole double throw interlock type A.C. contactor, a single-pole single-throw(SPST plain edition A.C. contactor,(1~N)Individual relay and(1~ N)Individual duplicate relay combines, and described each relay is mutual with a single-pole double throw after being connected with a duplicate relay Lock A.C. contactor, a single-pole single-throw(SPST plain edition A.C. contactor are in parallel;Described wireless communication module include GPRS without Line communication module and WIFI wireless communication modules.
Single-pole double throw interlock type A.C. contactor in described single-phase intelligent pressure regulator is to be used for single-phase intelligent pressure regulator In gear switch and bypass changeover, it is not in the short time power down situation of equipment backend user side to ensure reliable power supply;It is described Single-pole single-throw(SPST plain edition A.C. contactor is used as a kind of protection switch, during single-phase intelligent pressure regulator normal power supply, the friendship Stream contactor is in normally closed state, when single-pole double throw interlock type A.C. contactor breaks down, single-pole single-throw(SPST plain edition A.C. contactor reliably disconnects, and protects the normal operation of single-phase intelligent pressure regulator;Described(1~N)Individual relay and(1~N) Individual duplicate relay is as switching(1~n)The fling-cut switch of individual tap insulating transformer coil windings uses, and N is natural number, When single-phase intelligent pressure regulator works in normal state,(1~N)Individual duplicate relay will normally be in closure state,(1~N)It is individual The control instruction that relay sends reception main control MCU, changes(1~n)The access side of individual tap insulating transformer coil windings Formula, realize boosting and the buck functionality of single-phase intelligent pressure regulator backend user;When(1~N)Individual relay breaks down and can not carried out During normal disjunction, main control MCU will send control instruction, control(1~N)The normal disjunction of individual duplicate relay, realize protection work( Energy.
Described single-pole double throw interlock type A.C. contactor is combined by contact with another contact to be formed, when junction closure, Another contact disconnects, and when another junction closure, contact disconnects, and disclosure satisfy that during gear switch, ensures single-phase intelligent Pressure regulator backend user does not power off;Single-pole single-throw(SPST plain edition A.C. contactor, is used as protection switch;Described relay There are the 1st relay, the 2nd relay, the 3rd relay, the 4th relay, the 5th relay and the 6th relay, as switching(1~n) The fling-cut switch of the access way of individual tap insulating transformer coil windings;Described duplicate relay have the 1st duplicate relay, 2nd duplicate relay, the 3rd duplicate relay, the 4th duplicate relay, the 5th duplicate relay and the 6th duplicate relay, as guarantor Shield switch uses, and single-phase intelligent pressure regulator sends control instruction by receiving intelligent control switch unit, can be rationally to a list Dpdt double-pole double-throw (DPDT) interlock type A.C. contactor, a single-pole single-throw(SPST plain edition A.C. contactor, six relays and six it is standby after Electrical equipment carries out open and close action, for changing the tap access way of isolating transformer, realizes that single-phase intelligent pressure regulator exists User terminal keeps output voltage stabilization automatically, and voltage can be stablized within -10% ~+7%.
The isolating transformer has n tap, and wherein n is natural number, the centre tap in its n tap to one end tap In, N number of tap can be extracted out, while have corresponding(1~N)Individual relay, the respectively relay of X 1, the relay of X 2 Device ... ..., X N relays, and have corresponding(1~N)Individual duplicate relay, respectively X 1' duplicate relays, X2' duplicate relays ... ..., X N' duplicate relays, wherein N' are natural number;From centre tap into other end tap, take out Go out to have another N number of tap, while have corresponding(1~N)Individual relay, respectively Y1 relays, Y2 relays Device ... ..., YN relays, and corresponding duplicate relay is had, respectively Y1' duplicate relays, Y2' is standby Relay ... ..., wherein YN' duplicate relays, N' are natural number;All duplicate relays are normal in single-phase intelligent pressure regulator During work, all in closure state;Wherein when any one in the relay of X 1, the relay ... ... of X 2, X N relays The relay of odd-numbered is closed, Y1 relays, Y2 relays ... ..., and any one even number in YN relays is compiled Number relay closure, now(1~n)After individual tap insulating transformer tap access, change coil access way, circuit will Realize boost function;Wherein when any one even-numbered in the relay of X 1, the relay ... ... of X 2, X N relays Relay closure, Y1 relays, Y2 relays ... ..., the relay of any one odd-numbered in YN relays Device closes, now(1~n)After individual tap insulating transformer tap access, change coil access way, circuit will be realized and is depressured Function.
A kind of described low-voltage intelligent voltage-regulation voltage-stabilization system, 1)When intelligent control switch unit monitoring uniline is low electricity During pressure, through with reference voltage com-parison and analysis, send corresponding control instruction so that the 1st relay, the 5th relay closure, the 2nd after Electrical equipment, the 3rd relay, the 4th relay, the 6th relay disconnect, finally connecing in closure single-pole double throw interlock type A.C. contactor During point, another contact is disconnected automatically, now single-phase intelligent pressure regulator can realize boosting, wherein described boosting ratio can also root It is customized according to customer demand, such as 5%, 10%, 20%, 30%;Or the 3rd relay, the 5th relay closure, the 1st relay Device, the 2nd relay, the 4th relay, the 6th relay disconnect, finally in the another of closure single-pole double throw interlock type A.C. contactor During contact, automatic break, now coil access way change, single-phase intelligent pressure regulator can realize boosting, wherein described Boosting ratio can be also customized according to customer demand, such as 5%, 10%, 20%, 30%;2)When intelligent control switches list Member monitoring uniline is when being high voltage, through with reference voltage com-parison and analysis, send corresponding control instruction so that the 2nd relay, 6th relay closes, and the 1st relay, the 3rd relay, the 4th relay, the 5th relay disconnect, finally in closure single-pole double throw During another contact of interlock type A.C. contactor, automatic break, now single-phase intelligent pressure regulator can realize decompression, wherein Described decompression ratio can be also customized according to customer demand, and such as 5%, 10%, 20%, 30%;Or the 4th relay, 6th relay closes, and the 1st relay, the 2nd relay, the 3rd relay, the 5th relay disconnect, finally in closure single-pole double throw During another contact of interlock type A.C. contactor, automatic break, now coil access way change, single-phase intelligent pressure regulator Decompression can be realized, wherein described decompression ratio can be also customized according to customer demand, such as 5%, 10%, 20%, 30% Can;Single-pole single-throw(SPST plain edition A.C. contactor and the 1st duplicate relay, the 2nd duplicate relay, the 3rd duplicate relay, the 4th Duplicate relay, the 5th duplicate relay, the 6th duplicate relay are under the work of single-phase intelligent pressure regulator normal power supply, in closure State;When single-pole double throw interlock type A.C. contactor breaks down, single-pole single-throw(SPST plain edition A.C. contactor by timely disjunction, Protect single-phase intelligent pressure regulator service life;When the 1st relay, the 2nd relay, the 3rd relay, the 4th relay, the 5th relay Certain in device, the 6th relay break down all the way can not disjunction when, the 1st duplicate relay in respective channels, the 2nd it is standby after The also corresponding timely disjunction of electrical equipment, the 3rd duplicate relay, the 4th duplicate relay, the 5th duplicate relay, the 6th duplicate relay, is protected It is without damage to protect isolating transformer.
A kind of pressure regulation method of low-voltage intelligent voltage-regulation voltage-stabilization system of the present invention, comprises the following steps:Uniline On live wire L, zero line N access intelligent control switch unit single-phase AC voltage current acquisition module after, pass through data acquisition The electric energy computation chip of data acquisition module is sent into after the signal processing circuit conditioning of module, main control MCU passes through SPI communication bus Electric energy computation chip is controlled to being nursed one's health by the signal processing circuit of data acquisition module into the available signal of electric energy computation chip Accurate Analog-digital Converter and calculating are done, obtains uniline reactive demand and low voltage or higher information, then lead to by SPI Letter bus sends the reactive demand of uniline and low voltage or the timing of higher information to main control MCU, and main control MCU is passed through again Adjustment algorithm, suitable adjustable strategies are calculated, when circuit needs to carry out reactive-load compensation, control the input of power capacitor; When there is low-voltage in uniline or voltage is too high, one single-pole double throw interlock type A.C. contactor of control, a hilted broadsword Singly throw plain edition A.C. contactor,(1~N)Individual relay and(1~N)The switching of individual duplicate relay, change(1~n)It is individual to take out The winding access way of head isolating transformer, so as to realize the boosting of circuit or decompression, reach the purpose of adjustment voltage.
Described single-pole double throw interlock type A.C. contactor is combined by contact with another contact to be formed, when junction closure, Another contact disconnects, and when another junction closure, contact disconnects, and disclosure satisfy that during gear switch, ensures single-phase intelligent Pressure regulator backend user does not power off;Single-pole single-throw(SPST plain edition A.C. contactor, is used as protection switch;Described relay There are the 1st relay, the 2nd relay, the 3rd relay, the 4th relay, the 5th relay and the 6th relay, as switching(1~n) The fling-cut switch of the access way of individual tap insulating transformer coil windings;Described duplicate relay have the 1st duplicate relay, 2nd duplicate relay, the 3rd duplicate relay, the 4th duplicate relay, the 5th duplicate relay and the 6th duplicate relay, as guarantor Shield switch uses, and single-phase intelligent pressure regulator sends control instruction by receiving intelligent control switch unit, can be rationally to a list Dpdt double-pole double-throw (DPDT) interlock type A.C. contactor, a single-pole single-throw(SPST plain edition A.C. contactor, six relays and six it is standby after Electrical equipment carries out open and close action, for changing the tap access way of isolating transformer, realizes that single-phase intelligent pressure regulator exists User terminal keeps output voltage stabilization automatically, can be within -10% ~+7%.
1)When intelligent control switch unit monitoring uniline be low-voltage when, through with reference voltage com-parison and analysis, send Corresponding control instruction so that the 1st relay, the 5th relay closure, the 2nd relay, the 3rd relay, the 4th relay, the 6th after Electrical equipment disconnects, and finally when closing the contact of single-pole double throw interlock type A.C. contactor, disconnects another contact automatically, now single-phase Intelligent voltage regulator can realize boosting, wherein described boosting ratio can be also customized according to customer demand, such as 5%, 10%, 20%th, 30% etc.;Or the 3rd relay, the 5th relay closure, the 1st relay, the 2nd relay, the 4th relay, the 6th after Electrical equipment disconnects, finally when closing another contact of single-pole double throw interlock type A.C. contactor, automatic break, and now coil Access way changes, and single-phase intelligent pressure regulator can realize boosting, wherein described boosting ratio can also enter according to customer demand Row customization, such as 5%, 10%, 20%, 30%;2)When intelligent control switch unit monitoring uniline be high voltage when, through with Reference voltage com-parison and analysis, send corresponding control instruction so that the 2nd relay, the 6th relay closure, the 1st relay, the 3rd after Electrical equipment, the 4th relay, the 5th relay disconnect, finally when closing another contact of single-pole double throw interlock type A.C. contactor, Automatic break, now single-phase intelligent pressure regulator can realize decompression, wherein described decompression ratio can also be according to client's need Ask and be customized, such as 5%, 10%, 20%, 30%;Or the 4th relay, the 6th relay closure, the 1st relay, the 2nd after Electrical equipment, the 3rd relay, the 5th relay disconnect, finally when closing another contact of single-pole double throw interlock type A.C. contactor, Automatic break, now coil access way change, single-phase intelligent pressure regulator can realize decompression, wherein described step-down ratio Example can be also customized according to customer demand, and such as 5%, 10%, 20%, 30%;Single-pole single-throw(SPST plain edition A.C. contactor with It is and the 1st duplicate relay, the 2nd duplicate relay, the 3rd duplicate relay, the 4th duplicate relay, the 5th duplicate relay, the 6th standby With relay under the work of single-phase intelligent pressure regulator normal power supply, in closure state;When single-pole double throw interlock type ac contactor When device breaks down, timely disjunction is protected single-phase intelligent pressure regulator service life by single-pole single-throw(SPST plain edition A.C. contactor;When Certain in 1st relay, the 2nd relay, the 3rd relay, the 4th relay, the 5th relay, the 6th relay breaks down all the way Can not disjunction when, the 1st duplicate relay, the 2nd duplicate relay in respective channels, the 3rd duplicate relay, the 4th standby relay Also corresponding timely disjunction, protective separation transformer are without damage for device, the 5th duplicate relay, the 6th duplicate relay.
The isolating transformer has n tap, and wherein n is natural number, the centre tap in its n tap to one end tap In, N number of tap can be extracted out, while have corresponding(1~N)Individual relay, the respectively relay of X 1, the relay of X 2 Device ... ..., X N relays, and have corresponding(1~N)Individual duplicate relay, respectively X 1' duplicate relays, X2' duplicate relays ... ..., X N' duplicate relays, wherein N' are natural number;From centre tap into other end tap, take out Go out to have another N number of tap, while have corresponding(1~N)Individual relay, respectively Y1 relays, Y2 relays Device ... ..., YN relays, and have corresponding(1~N)Individual duplicate relay, respectively Y1' duplicate relays, Y2' duplicate relays ... ..., wherein YN' duplicate relays, N' are natural number;All duplicate relays are adjusted in single-phase intelligent During depressor normal work, all in closure state;Wherein when in the relay of X 1, the relay ... of X 2, X N relays The relay of any one odd-numbered closes, Y1 relays, Y2 relays ... ..., any one in YN relays The relay closure of individual even-numbered, now(1~n)After individual tap insulating transformer tap access, change coil access side Formula, circuit will realize boost function;Wherein when any one in the relay of X 1, the relay ... ... of X 2, X N relays The relay of even-numbered is closed, Y1 relays, Y2 relays ... ..., and any one odd number in YN relays is compiled Number relay closure, now(1~n)After individual tap insulating transformer tap access, change coil access way, circuit will Realize buck functionality.
Specifically, intelligent control switch unit of the present invention is also one of technological innovation of the present invention, and intelligence is controlled Switch unit processed not only includes traditional voltage, current acquisition module, power module, data memory module, wireless telecommunications mould Block etc., also innovative integrally combines switch motion unit.Switch motion unit includes a single-pole double throw interlock type and handed over Flow contactor, a single-pole single-throw(SPST plain edition A.C. contactor,(1~N)Individual relay and(1~N)Individual duplicate relay is mutually tied Close.Described intelligent control switch unit not only possesses collection arbitration functions, while also possesses switch breaking function, realizes certainly Motion tracking monitoring uniline voltage, current information, obtain feedback voltage, through being divided with reference voltage by each sample circuit Analysis is compared, if now monitoring circuit is low-voltage state, the control instruction that intelligent control switch unit will send automatically switches each The switching of individual channel AC contactor and relay, change(1~n)The coil access way of tap insulating transformer, realization carry Rise line end voltage.A kind of described low-voltage intelligent voltage-regulation voltage-stabilization system also sets up bypass functionality, when circuit occur overvoltage or During person's ultra low voltage, device will automatically switch to bypass condition, protection equipment safe operation, while ensure that device backend user can By electricity consumption.
A kind of low-voltage intelligent voltage-regulation voltage-stabilization system of the present invention, including single-phase intelligent pressure regulator, Android system are held What terminal and backstage main website were formed contains the integral systems such as data monitoring, parameter setting, state control.Android system handheld terminal GPRS wireless telecommunications and WIFI wireless communication functions are supported, disclosure satisfy that in erecting bed or remotely to single-phase intelligent pressure regulator Carry out data interaction and state control, the installation and debugging at convenient scene.Backstage main website can realize that backstage is main by GPRS module Stand and the real-time communication and data interaction of single-phase intelligent pressure regulator, and combine historical data and carry out Analysis of Policy Making, equipment is carried out State control and program remote upgrading etc..
A kind of low-voltage intelligent voltage-regulation voltage-stabilization system of the present invention, including single-phase intelligent pressure regulator, its design feature be: Described single-phase intelligent pressure regulator include breaker of plastic casing, intelligent control switch unit, current transformer,(1~n)Tap is isolated Transformer, power capacitor.Described breaker of plastic casing is the normal break-make that can ensure equipment, has the work(such as short-circuit protection Energy;Described intelligent control switch unit is that key control unit and switch motion unit are incorporated into one, wherein intelligence control In switch unit processed containing a single-pole double throw interlock type A.C. contactor, a single-pole single-throw(SPST plain edition A.C. contactor,(1~ N)Individual relay and(1~N)Individual duplicate relay, key control unit gather the voltage of uniline, are carried out with reference voltage Com-parison and analysis, the action that control instruction controlling switch motor unit is sent by calculating switch, changed(1~n)Transformation is isolated in tap The tap access way of device, realize that pressure regulation acts;Described current transformer is to be used to calculate for gathering uniline electric current The reactive demand of circuit;Described(1~n)Tap insulating transformer is the final executive component for lifting line voltage distribution, can root According to actual demand, extracted out in different winding positions(1~n)Individual tap so that intelligent control switch unit is judging and acted Afterwards, change the access way of winding tap, and then realize the boosting of single-phase intelligent pressure regulator, antihypertensive effect;Described electric power Capacitor is to be used for compensated line reactive demand, improves power factor, reduces line loss.
The present invention is contrasted with patent CN103606927A:
1)CN103606927A is using single-pole single-throw(SPST type A.C. contactor as fling-cut switch, and auto-transformer is as boosting Unit not only increases installation weight, it is necessary to configure corresponding voltage stabilizing inversion manager to ensure the reliable power supply of A.C. contactor, And cost also will increase.And the present invention opens using switching of the magnetic latching relay as the tap of switching isolating transformer Close, isolating transformer is as boosting unit so that installation cost is low, in light weight.
2)Single-phase voltage regulating controller described in CN103606927A, it is to be used to gather line voltage distribution, current information, carries out Corresponding data processing simultaneously sends corresponding control instruction.It is innovative by number and the present invention uses intelligent control switch unit One is incorporated into according to collection, calculating, processing, control, switch motion, not only can gather line voltage distribution, current information enters line number According to handling and sending control instruction, also by a single-pole double throw interlock type A.C. contactor, a single-pole single-throw(SPST plain edition exchange Contactor and relay are integrated as fling-cut switch, effectively reduce the volume and weight of device, while reduce cost.
The present invention is contrasted with patent CN103683298A:
A kind of intelligent low-voltage voltage regulator described in patent CN103683298A, including transformer, voltage detecting control device, Boost breaker and bypass breaker, and for lifting circuit low-voltage.And single-phase intelligent pressure regulator of the present invention, Android system What handheld terminal and backstage main website were formed contains the integral systems such as data monitoring, parameter setting, state control, realizes transmission line voltage uprating Function, while Android system handheld terminal and backstage main website are used cooperatively, and can not only greatly facilitate in-site installation personnel Debugging, and disclosure satisfy that power supply administration realize it is home-confined can pay close attention to equipment operating condition and live line voltage distribution quality, Managing intelligent information, lifting power supply enterprise image are provided for electric company.
Brief description of the drawings
Fig. 1 is the structure chart of the single-phase intelligent pressure regulator of the embodiment of the present invention.
Fig. 2 is a kind of structure of the intelligent control switching unit of low-voltage intelligent voltage-regulation voltage-stabilization system of the embodiment of the present invention Figure.
Fig. 3 is the structure chart of the internal switch motor unit of the intelligent control switch unit of the embodiment of the present invention.
Fig. 4 is a kind of pressure regulation schematic diagram of movements of low-voltage intelligent voltage-regulation voltage-stabilization system of the embodiment of the present invention.
Fig. 5 is a kind of n pressure regulation gear schematic diagram of movements of low-voltage intelligent voltage-regulation voltage-stabilization system of the embodiment of the present invention.
Fig. 6 is the operation principle block diagram of the single-phase intelligent pressure regulator of the embodiment of the present invention.
Fig. 7 is the system construction drawing of combination Android system handheld terminal of the embodiment of the present invention.
Fig. 8 is the system construction drawing of combination of embodiment of the present invention backstage main website.
Fig. 9 is the system construction drawing of combination Android system handheld terminal of the embodiment of the present invention and backstage main website.
Embodiment
With reference to the accompanying drawings and examples to a kind of low-voltage intelligent voltage-regulation voltage-stabilization System Working Principle of the present invention and worked Journey is described in detail:
The present invention includes single-phase intelligent pressure regulator, is that a kind of low-voltage intelligent of embodiment of the present invention is adjusted as shown in Figure 1 Press the structure chart of voltage-stabilizing system device.In figure:Breaker of plastic casing 1, current transformer 2, intelligent control switch unit 3,(1~n)It is individual Tap insulating transformer 4, power capacitor 5, the present invention in n be natural number,(1~n)Refer to 1 to n.Wherein single-phase intelligent is adjusted Depressor include breaker of plastic casing, current transformer, intelligent control switch unit, power capacitor and(1~n)Individual tap isolation becomes Depressor, current transformer 2 and intelligent control switch unit 3 be connecteds using wire, intelligent control switch unit 3 and(1~n)It is individual to take out Head isolating transformer 4 is connected using copper conductor, and intelligent control switching unit 3 is connected with power capacitor 5 using copper conductor.Wherein Intelligent control switch unit 3 is that prior art can also be using the proprietary technology below the present invention as described in Figure 2.Intelligent control Switch unit 3 is the technology that general existing technical staff can realize, it has following function:Intelligent control switch unit 3 is logical Cross and key control unit and switch motion unit are incorporated into one, key control unit energy automatic data collection is monitored on uniline Voltage and current transformer 2 secondary side current information, reasonable analysis calculate current line reactive demand and collection circuit The comparative analysis situation of voltage and reference voltage, when circuit reactive demand is big, sent accordingly by intelligent control switch unit 3 Instruction, the automatic switch motion unit action controlled in intelligent control switch unit 3, realizes the input of power capacitor 5, improves line Road power factor, improve line voltage distribution.When putting into power capacitor 5, intelligent control switch unit 3 will continue to gather uniline Voltage, com-parison and analysis is carried out according to reference voltage parameter threshold, sends one in command adapted thereto automatic regulating switch motor unit Individual single-pole double throw interlock type A.C. contactor, a single-pole single-throw(SPST plain edition A.C. contactor,(1~N)Individual relay and(1~ N)The switching of individual duplicate relay, the present invention in N be natural number, described switch motion unit includes a single-pole double throw Interlock type A.C. contactor, a single-pole single-throw(SPST plain edition A.C. contactor,(1~N)Individual relay and(1~N)It is individual it is standby after Electrical equipment, change(1~n)The access way of tap in individual tap insulating transformer 4, change the effective turn of coil to realize pressure regulation Function, the and can that can both boost enough are depressured.When circuit reactive demand is normal, without input power capacitor 5, if intelligent control Switch unit 3 continues to gather uniline voltage, carries out com-parison and analysis according to reference voltage parameter threshold, intelligent control switching is single Member 3 will be also sent in command adapted thereto automatic regulating switch motor unit(1~N)The switching of individual relay, change(1~n)It is individual The access way of tap in tap insulating transformer 4, change the effective turn of coil to realize voltage regulation function, can not only boost but also It can be depressured.
As shown in Fig. 2 the structure chart of the intelligent control switch unit of embodiment of the present invention, including it is main control MCU, single-phase Alternating voltage current acquisition module, data memory module, wireless communication module(GPRS wireless telecommunications and WIFI wireless telecommunications), electricity Source module, switch motion unit(One single-pole double throw interlock type A.C. contactor, a single-pole single-throw(SPST plain edition ac contactor Device,(1~N)Individual relay and(1~N)Individual duplicate relay), described single-phase AC voltage current acquisition module, data deposit Storage module, wireless communication module, power module, switch motion unit are connected with main control MCU respectively, above-mentioned specific each component models And function is as follows:
1) main control MCU:Using existing commercially available prod, transmission is completed with controlling and sending the action of control signal driving switch A single-pole double throw interlock type A.C. contactor in unit, a single-pole single-throw(SPST plain edition A.C. contactor,(1~N)Individual relay And(1~N)The switching of individual duplicate relay, be controlled power capacitor switching and(1~n)Individual tap insulating transformer Gear switch, these calibration analyses and calculation procedure are that those skilled in the art can realize.
2) single-phase AC voltage current acquisition module:It includes electric energy computation chip and signal processing circuit, electric energy metrical Chip uses high-precision AD chip, and high-precision AD chip is measured as voltage x current and used, the effect of signal processing circuit be by The voltage x current information conditioning of input does accurate Analog-digital Converter and the signal of calculating into high-precision AD chip interior energy, then will knot Fruit timing sends main control MCU to, and this part employs the high-precision AD chip of specialty.High-precision AD chip and signal processing circuit For prior art.
3) data memory module:This module is stored and inquired about to various service datas, can use all kinds of storages Medium, it is prior art.
4) wireless communication module:This wireless communication module contains GPRS wireless telecommunications and WIFI wireless telecommunications.Pass through GPRS wireless telecommunications and backstage main website carry out real time data interaction.Carried out by WIFI wireless telecommunications and Android system handheld terminal Data interaction.This GPRS wireless telecommunications and WIFI wireless telecommunications are prior art.
5)Power module:Alternating current 220V is converted into multi-channel DC voltage by power module and supplies each electricity as power input Road module uses.Wherein main control MCU, wireless communication module etc. use 3.3V, single-phase AC voltage current acquisition module work electricity Press as 5V.
6) switch motion unit:This module is general by a single-pole double throw interlock type A.C. contactor, a single-pole single-throw(SPST Flow-through A.C. contactor,(1~N)Individual relay and(1~N)Individual duplicate relay combines, when main control MCU sends control letter Number instruction when, a single-pole double throw interlock type A.C. contactor, a single-pole single-throw(SPST plain edition A.C. contactor,(1~N)It is individual after Electrical equipment and(1~N)Individual duplicate relay can carry out switching action according to the command adapted thereto of reception, change(1~n)Individual tap every From the tap access way of transformer, voltage regulation result, above-mentioned single-pole double throw interlock type A.C. contactor, a list are realized Single-pole single-throw plain edition A.C. contactor,(1~N)Individual relay and(1~N)Individual duplicate relay is that those skilled in the art can realize 's.
As shown in figure 3, the intelligent control switch unit in a kind of low-voltage intelligent voltage-regulation voltage-stabilization system of the embodiment of the present invention The structure chart of internal switch motor unit, wherein described switch motion unit is by a single-pole double throw interlock type ac contactor Device, a single-pole single-throw(SPST plain edition A.C. contactor,(1~N)Individual relay and(1~N)Individual duplicate relay combines, institute The each relay stated connected with a duplicate relay after with a single-pole double throw interlock type A.C. contactor, a hilted broadsword list Throw the parallel connection of plain edition A.C. contactor;One of single-pole double throw interlock type A.C. contactor is existed for single-phase intelligent pressure regulator When gear switch and bypass changeover, it is not in the short time power down situation of equipment backend user side to ensure reliable power supply.One list Single-pole single-throw plain edition A.C. contactor is used as a kind of protection switch, during single-phase intelligent pressure regulator normal power supply, the exchange Contactor is in normally closed state, when a single-pole double throw interlock type A.C. contactor breaks down, a single-pole single-throw(SPST Plain edition A.C. contactor will reliably disconnect, the operation of protection device.(1~N)Individual relay and(1~N)Individual duplicate relay It is as switching(1~n)The fling-cut switch of individual tap insulating transformer coil windings uses, when device works in normal state, (1~N)Individual duplicate relay will normally be in closure state,(1~N)The control instruction that individual relay sends reception main control MCU, Change(1~n)The access way of individual tap insulating transformer coil windings, realize boosting and the buck functionality of equipment backend user. If(1~N)Individual relay breaks down when can not carry out normal disjunction, and main control MCU will send control instruction, control(1~N)It is individual standby With the normal disjunction of relay, defencive function is realized.
As shown in figure 4, a kind of simple pressure regulation schematic diagram of movements of low-voltage intelligent voltage-regulation voltage-stabilization system of the embodiment of the present invention, Wherein K1It is contact K1-1With another contact K1-2A kind of single-pole double throw interlock type A.C. contactor formed is combined, i.e., in the short time It is interior, as contact K1-1During closure, another contact K1-2Disconnect, as another contact K1-2During closure, contact K1-1Disconnect, disclosure satisfy that During gear switch, ensure that backend user does not power off.K2It is as protection for a single-pole single-throw(SPST plain edition A.C. contactor Switch uses.K3、K4、K5、K6、K7、K8It is the 1st relay K respectively for relay3, the 2nd relay K4, the 3rd relay K5, the 4th Relay K6, the 5th relay K7With the 6th relay K8, as switching(1~n)The access of individual tap insulating transformer coil windings The fling-cut switch of mode;K3'、K4'、K5'、K6'、K7'、K8'It is the 1st duplicate relay K respectively for duplicate relay3', it is the 2nd standby Relay K4', the 3rd duplicate relay K5', the 4th duplicate relay K6', the 5th duplicate relay K7'With the 6th duplicate relay K8', Used as protection switch, device sends control instruction by receiving intelligent control switch unit, rationally to a single-pole double throw Interlock type A.C. contactor, a single-pole single-throw(SPST plain edition A.C. contactor,(1~N)Individual relay and(1~N)It is individual it is standby after Electrical equipment carries out open and close action, for changing the tap access way of isolating transformer, realizes that single-phase intelligent pressure regulator exists User terminal keeps output voltage stabilization within -10% ~+7% automatically.Embodiment is such as:1)When intelligent control switch unit Uniline is monitored when being low-voltage, through with reference voltage com-parison and analysis, send corresponding control instruction so that the 1st relay K3、 5th relay K7Closure, the 2nd relay K4, the 3rd relay K5, the 4th relay K6, the 6th relay K8Disconnect, finally closing Single-pole double throw interlock type A.C. contactor K1Contact K1-2, another contact K is disconnected automatically1-1, now single-phase intelligent pressure regulator energy Enough to realize boosting 10%, wherein described boosting ratio can be also customized according to customer demand, such as 5%, 10%, 20%, 30% Can;Or the 3rd relay K5, the 5th relay K7Closure, the 1st relay K3, the 2nd relay K4, the 4th relay K6, the 6th relay Device K8Disconnect, finally in single-pole double throw closure interlock type A.C. contactor K1K1-2, K is disconnected automatically1-1, now coil access side Formula changes, and single-phase intelligent pressure regulator can realize boosting 20%, wherein described boosting ratio can also be determined according to customer demand System, such as 5%, 10%, 20%, 30%.2)When intelligent control switch unit monitoring uniline is high voltage, warp and benchmark Voltage analysis compares, and sends corresponding control instruction so that the 2nd relay K4, the 6th relay K8Closure, the 1st relay K3, the 3rd Relay K5, the 4th relay K6, the 5th relay K7Disconnect, finally in closure single-pole double throw interlock type A.C. contactor K1It is another One contact K1-2, automatic break K1-1, now single-phase intelligent pressure regulator can realize decompression 10%, wherein described step-down ratio Example can be also customized according to customer demand, and such as 5%, 10%, 20%, 30%;Or the 4th relay K6, the 6th relay K8 Closure, the 1st relay K3, the 2nd relay K4, the 3rd relay K5, the 5th relay K7Disconnect, it is finally mutual in closure single-pole double throw Lock A.C. contactor K1Another contact K1-2, automatic break K1-1, now coil access way change, single-phase intelligent tune Depressor can realize decompression 20%, wherein described decompression ratio can be also customized according to customer demand, such as 5%, 10%, 20%, 30% etc..K2Single-pole single-throw(SPST plain edition A.C. contactor and K3'、K4'、K5'、K6'、K7'、K8'Duplicate relay in device just Under normal powered operation, in closure state.When single-pole double throw interlock type A.C. contactor breaks down, single-pole single-throw(SPST plain edition A.C. contactor K2By timely disjunction, protection device service life.Work as K3、K4、K5、K6、K7、K8There is event all the way in certain of relay Barrier can not disjunction when, the K in respective channels3'、K4'、K5'、K6'、K7'、K8'Duplicate relay also becomes timely disjunction, protective separation Depressor is without damage.
A kind of as shown in figure 5, n pressure regulation gear operating principle of low-voltage intelligent voltage-regulation voltage-stabilization system of the embodiment of the present invention Figure, K1It is K1-1With K1-2A kind of single-pole double throw interlock type A.C. contactor formed is combined, i.e., in a short time, works as K1-1Closure When, K1-2Disconnect, work as K1-2During closure, K1-1Disconnect, disclosure satisfy that during gear switch, ensure that backend user does not power off, K2 For single-pole single-throw(SPST plain edition A.C. contactor.According to exterior market demand, specific customization can be carried out to the effect of ascending, descending pressure, can Make the isolating transformer with n tap.Such as Fig. 5, using 6 shown in scheming as centre tap, from tap 6 into tap 7, N tap can be extracted out according to demand, at the same it is corresponding(1~N)Individual relay is respectively the relay K of X 1X1, the relay of X 2 Device KX2... ..., X N relays KXN,(1~N)Individual duplicate relay is respectively X 1' duplicate relays KX1', X 2' it is standby after Electrical equipment KX2' ... ..., X N' duplicate relays KXN', wherein N' is natural number;, can be according to demand from tap 6 into tap 8 Extract n tap out, at the same it is corresponding(1~N)Individual relay is respectively Y1 relays KY1, Y2 relays KY2... ..., the YN relays KYN,(1~N)Individual duplicate relay is respectively Y1' duplicate relays KY1', Y2' duplicate relays KY2' ... ..., YN' duplicate relays KYN';All duplicate relays are in device normal work, all in closure state.Its In work as KX1、KX2... ..., KXNIn any one odd-numbered relay closure(That is KX1、KX3、KX5... ..., KXM, M is strange Number), KY1、KY2... ..., KYNIn any one even-numbered relay closure(That is KY2、KY4、KY6... ..., KYM-1, M is Odd number), now(1~n)After individual tap insulating transformer tap access, change coil access way, circuit will realize the work(that boosts Energy;Wherein work as KX1、KX2... ..., KXNIn any one even-numbered relay closure(That is KX2、KX4、KX6... ..., KXM-1, M is odd number), KY1、KY2... ..., KYNIn any one odd-numbered relay closure(That is KY1、KY3、 KY5... ..., KYM, M is odd number), now(1~n)After individual tap insulating transformer tap access, change coil access way, Circuit will realize buck functionality.
As shown in fig. 6, the operation principle block diagram of the single-phase intelligent pressure regulator of the embodiment of the present invention, wherein single-phase intelligent pressure regulation Device include breaker of plastic casing, current transformer, intelligent control switch unit, power capacitor and(1~n)Tap insulating transformer. Wherein intelligent control switch unit includes main control MCU, single-phase AC voltage current acquisition module, switch motion unit, data and deposited Store up module, wireless communication module.Wherein described switch motion unit is by single-pole double throw interlock type A.C. contactor, one Individual single-pole single-throw(SPST plain edition A.C. contactor,(1~N)Individual relay and(1~N)Individual duplicate relay combines;Described Wireless communication module is to include GPRS wireless communication modules and WIFI wireless communication modules.Live wire L, zero line N on uniline After accessing the single-phase AC voltage current acquisition module of intelligent control switch unit, pass through the signal transacting electricity of data acquisition module The electric energy computation chip of data acquisition module is sent into after the conditioning of road, main control MCU passes through SPI communication bus marco electric energy computation chip (High-precision AD chip)Signal processing circuit by data acquisition module is nursed one's health into the available signal of electric energy computation chip and done Accurate Analog-digital Converter and calculating, to obtain uniline reactive demand and low voltage or the information such as higher, then pass through SPI communication bus sends the reactive demand of uniline and low voltage or the information such as higher timing to main control MCU, master control MCU is adjusted algorithm again, calculates suitable adjustable strategies, when circuit needs to carry out reactive-load compensation, controls electric capacitor The input of device.When there is low-voltage in uniline or voltage is too high, one single-pole double throw interlock type A.C. contactor of control, One single-pole single-throw(SPST plain edition A.C. contactor,(1~N)Individual relay and(1~N)The switching of individual duplicate relay, change (1~n)The winding access way of tap insulating transformer, so as to realize the boosting of circuit or decompression, reach the mesh of adjustment voltage 's.
As shown in fig. 7, the present invention uses single-phase intelligent pressure regulator and Android system handheld terminal being integrally formed system;Institute The Android system handheld terminal stated is general prior art, Android system handheld terminal can by GPRS wireless communication modules or WIFI wireless communication modules carry out information exchange with single-phase intelligent pressure regulator;Android system handheld terminal can be with convenient use person couple Device carries out parameter setting, the collection of history data and state control.When a kind of low-voltage intelligent of the present invention is adjusted When intelligent control switch unit in pressure voltage-stabilizing system uses Fig. 2 technology, including main control MCU, data acquisition module, data are deposited Store up module, wireless communication module, power module and switching control module, described data acquisition module, data memory module, nothing Line communication module, power module and switching control module are connected with main control MCU respectively, and described Android system handheld terminal passes through GPRS wireless communication modules or WIFI wireless communication modules carry out information exchange with single-phase intelligent pressure regulator, complete by main control MCU Into transmission and control, the technology that can be realized for those skilled in the art.
As shown in figure 8, the present invention uses single-phase intelligent pressure regulator and backstage main website being integrally formed system.Described backstage Main website is general prior art, and backstage main website is communicated wirelessly by GPRS communication module and single-phase intelligent pressure regulator;From the background Main website can carry out parameter setting, the various collections with history data in real time and state to device with convenient use person and control. When the intelligent control switch unit in a kind of low-voltage intelligent voltage-regulation voltage-stabilization system of the present invention uses Fig. 2 technology, Including main control MCU, data acquisition module, data memory module, wireless communication module, power module and switching control module, institute Data acquisition module, data memory module, wireless communication module, power module and the switching control module stated respectively with master control MCU connections, described backstage main website are carried out by the GPRS communication module in GPRS communication module and intelligent control switch unit Information exchange, transmission and control are completed by main control MCU, the technology that can be realized for those skilled in the art.
As shown in figure 9, the present invention is integrally formed using single-phase intelligent pressure regulator, Android system handheld terminal and backstage main website Change system.Android system handheld terminal can pass through GPRS wireless communication modules or WIFI wireless communication modules and single-phase intelligent pressure regulation Device carries out information exchange, and Android system handheld terminal can also communicate wirelessly with backstage main website.Backstage main website can also lead to GPRS communication module is crossed to communicate wirelessly with single-phase intelligent pressure regulator;Android system handheld terminal and backstage main website can be simultaneously Parameter setting, history data collection and state control are carried out to single-phase intelligent pressure regulator.Backstage main website can also be to Android System handheld terminal carries out parameter configuration.The present invention is single using the intelligent control switching in a kind of low-voltage intelligent voltage-regulation voltage-stabilization system When member uses Fig. 2 technology, including main control MCU, data acquisition module, data memory module, wireless communication module, power module With switching control module, described data acquisition module, data memory module, wireless communication module, power module and switching control Molding block is connected with main control MCU respectively, and described Android system handheld terminal and backstage main website are connected with main control MCU, Android system Handheld terminal of uniting carries out information exchange by GPRS wireless communication modules or WIFI wireless communication modules with single-phase intelligent pressure regulator, Backstage main website carries out information exchange, Android system by the GPRS communication module in GPRS communication module and intelligent control switch unit System handheld terminal can also be docked with backstage main website, completed transmission and control by main control MCU, be those skilled in the art's energy The technology of realization.

Claims (4)

1. a kind of low-voltage intelligent voltage-regulation voltage-stabilization system, including live wire L, zero line N on single-phase intelligent pressure regulator and uniline, its It is characterised by:Described single-phase intelligent pressure regulator includes breaker of plastic casing, current transformer, intelligent control switch unit, electric power Capacitor and 1 ~ n tap insulating transformer, wherein n are natural number, described intelligent control switch unit include main control MCU, Single-phase AC voltage current acquisition module, switch motion unit, data memory module, power module, wireless communication module, it is described Single-phase AC voltage current acquisition module, data memory module, wireless communication module, power module, switch motion unit point It is not connected with main control MCU, described switch motion unit is by a single-pole double throw interlock type A.C. contactor, a hilted broadsword list Plain edition A.C. contactor, 1 ~ N number of relay and 1 ~ N number of duplicate relay is thrown to combine, described each relay with After the series connection of one duplicate relay with a single-pole double throw interlock type A.C. contactor, a single-pole single-throw(SPST plain edition ac contactor Device is in parallel;Described wireless communication module includes GPRS wireless communication modules and WIFI wireless communication modules;
Single-pole double throw interlock type A.C. contactor in described single-phase intelligent pressure regulator is to be used for single-phase intelligent pressure regulator in shelves When position switching and bypass changeover, it is not in the short time power down situation of equipment backend user side to ensure reliable power supply;The hilted broadsword Singly throwing plain edition A.C. contactor is used as a kind of protection switch, and during single-phase intelligent pressure regulator normal power supply, the exchange connects Tentaculum is in normally closed state, when single-pole double throw interlock type A.C. contactor breaks down, the exchange of single-pole single-throw(SPST plain edition Contactor reliably disconnects, and protects the normal operation of single-phase intelligent pressure regulator;Described 1 ~ N number of relay and 1 ~ N number of it is standby after Electrical equipment is used as the fling-cut switch for switching 1 ~ n tap insulating transformer coil windings, and N is natural number, and single-phase intelligent is adjusted When depressor works in normal state, 1 ~ N number of duplicate relay will normally be in closure state, and 1 ~ N number of relay, which will receive, to be led The control instruction that control MCU is sent, change the access way of 1 ~ n tap insulating transformer coil windings, realize that single-phase intelligent is adjusted The boosting of depressor backend user and buck functionality;When 1 ~ N number of relay breaks down when can not carry out normal disjunction, main control MCU Control instruction will be sent, the normal disjunction of control 1 ~ N number of duplicate relay, realizes defencive function;
Described single-pole double throw interlock type A.C. contactor is by contact(K1-1)With another contact(K1-2)Combination is formed, when contact closes During conjunction, another contact(K1-2)Disconnect, when another contact(K1-2)During closure, contact(K1-1)Disconnect, disclosure satisfy that in gear switch During, ensure that single-phase intelligent pressure regulator backend user does not power off;Single-pole single-throw(SPST plain edition A.C. contactor, is opened as protection Close and use;Described relay has the 1st relay(K3), the 2nd relay(K4), the 3rd relay, the 4th relay(K6), the 5th after Electrical equipment(K7)With the 6th relay(K8), opened as the switching of the access way of 1 ~ n tap insulating transformer coil windings of switching Close;Described duplicate relay has the 1st duplicate relay(K3'), the 2nd duplicate relay(K4'), the 3rd duplicate relay(K5')、 4th duplicate relay(K6'), the 5th duplicate relay and the 6th duplicate relay(K8'), used as protection switch, single-phase intelligent Pressure regulator sends control instruction by receiving intelligent control switch unit, can be rationally to a single-pole double throw interlock type ac contactor Device, a single-pole single-throw(SPST plain edition A.C. contactor, six relays and six duplicate relays open and close and moved Make, for changing the tap access way of isolating transformer, realize that single-phase intelligent pressure regulator keeps output electricity automatically in user terminal Pressure is stable;
The isolating transformer has a n tap, and wherein n is natural number, the centre tap in its n tap(6)To one end tap In, N number of tap can be extracted out, while 1 corresponding to having ~ N number of relay, the respectively relay of X 1(KX1), the relay of X 2 (KX2)... ..., X N relays(KXN), and 1 corresponding to having ~ N number of duplicate relay, respectively X 1' duplicate relays (KX1'), X 2' duplicate relays(KX2')... ..., X N' duplicate relays(KXN'), wherein N' is natural number;Taken out from centre Head(6)To other end tap(8)In, extraction has another N number of tap, while 1 corresponding to having ~ N number of relay, respectively the Y1 relays(KY1), Y2 relays(KY2)... ..., YN relays(KYN), and 1 corresponding to having ~ N number of standby relay Device, respectively Y1' duplicate relays(KY1'), Y2' duplicate relays(KY2')... ..., YN' duplicate relays (KYN'), wherein N' is natural number;All duplicate relays are in single-phase intelligent pressure regulator normal work, all in closure state; Wherein when the relay of X 1(KX1), the relay of X 2(KX2)... ..., X N relays(KXN)In any one odd-numbered Relay closure, Y1 relays(KY1), Y2 relays(KY2)... ..., YN relays(KYN)In any one idol The relay closure of number numbering, now after 1 ~ n tap insulating transformer tap access, change coil access way, circuit Boost function will be realized;Wherein when the relay of X 1(KX1), the relay of X 2(KX2)... ..., it is any one in X N relays The relay closure of individual even-numbered, Y1 relays(KY1), Y2 relays(KY2)... ..., YN relays(KYN)In The relay closure of any one odd-numbered, now after 1 ~ n tap insulating transformer tap access, change coil access Mode, circuit will realize buck functionality;
1)When intelligent control switch unit monitoring uniline be low-voltage when, through with reference voltage com-parison and analysis, send accordingly Control instruction so that the 1st relay, the 5th relay(K7)Closure, the 2nd relay(K4), the 3rd relay(K5), the 4th relay (K6), the 6th relay(K8)Disconnect, finally in closure single-pole double throw interlock type A.C. contactor(K1)Contact(K1-2)When, from Dynamic circuit breaker opens another contact(K1-1), now single-phase intelligent pressure regulator can realize boosting;Or the 3rd relay(K5), the 5th relay Device(K7)Closure, the 1st relay(K3), the 2nd relay(K4), the 4th relay(K6), the 6th relay disconnect, finally closing Single-pole double throw interlock type A.C. contactor(K1)Another contact when, automatic break, now coil access way change, it is single Phase intelligent voltage regulator can realize boosting;2)When intelligent control switch unit monitoring uniline is high voltage, warp and benchmark Voltage analysis compares, and sends corresponding control instruction so that the 2nd relay, the 6th relay(K8)Closure, the 1st relay(K3), 3 relays(K5), the 4th relay(K6), the 5th relay disconnect, finally closure single-pole double throw interlock type A.C. contactor(K1) Another contact(K1-2)When, automatic break, now single-phase intelligent pressure regulator can realize decompression;Or the 4th relay (K6), the 6th relay closure, the 1st relay(K3), the 2nd relay(K4), the 3rd relay(K5), the 5th relay(K7)Disconnect, Finally in closure single-pole double throw interlock type A.C. contactor(K1)Another contact(K1-2)When, automatic break(K1-1), this When coil access way change, single-phase intelligent pressure regulator can realize decompression;Single-pole single-throw(SPST plain edition A.C. contactor(K2)With And the 1st duplicate relay(K3'), the 2nd duplicate relay(K4'), the 3rd duplicate relay(K5'), it is the 4th duplicate relay, the 5th standby Use relay(K7'), the 6th duplicate relay(K8')Under the work of single-phase intelligent pressure regulator normal power supply, in closure state;When When single-pole double throw interlock type A.C. contactor breaks down, single-pole single-throw(SPST plain edition A.C. contactor(K2)By timely disjunction, protect Protect single-phase intelligent pressure regulator service life;When the 1st relay(K3), the 2nd relay(K4), the 3rd relay(K5), the 4th relay (K6), the 5th relay(K7), the 6th relay(K8)In certain break down all the way can not disjunction when, the 1st in respective channels is standby Use relay(K3'), the 2nd duplicate relay(K4'), the 3rd duplicate relay, the 4th duplicate relay(K6'), the 5th duplicate relay (K7'), the 6th duplicate relay(K8')Also corresponding timely disjunction, protective separation transformer are without damage.
2. a kind of pressure regulation method of low-voltage intelligent voltage-regulation voltage-stabilization system, comprises the following steps:Live wire L, zero line N on uniline After accessing the single-phase AC voltage current acquisition module of intelligent control switch unit, pass through the signal transacting electricity of data acquisition module The electric energy computation chip of data acquisition module is sent into after the conditioning of road, main control MCU passes through SPI communication bus marco electric energy computation chip Accurate simulation numeral is done to the signal processing circuit conditioning by data acquisition module into the available signal of electric energy computation chip to turn Change and calculate, obtain uniline reactive demand and low voltage or higher information, then by SPI communication bus by uniline Reactive demand and low voltage or higher information timing send main control MCU to, main control MCU is adjusted algorithm again, calculates Suitable adjustable strategies, when circuit needs to carry out reactive-load compensation, control the input of power capacitor;When uniline exist it is low When voltage or too high voltage, one single-pole double throw interlock type A.C. contactor of control, a single-pole single-throw(SPST plain edition exchange connect The switching of tentaculum, 1 ~ N number of relay and 1 ~ N number of duplicate relay, the winding for changing 1 ~ n tap insulating transformer access Mode, so as to realize the boosting of circuit or decompression, reach the purpose of adjustment voltage;
1)When intelligent control switch unit monitoring uniline be low-voltage when, through with reference voltage com-parison and analysis, send accordingly Control instruction so that the 1st relay(K3), the 5th relay(K7)Closure, the 2nd relay(K4), the 3rd relay, the 4th relay (K6), the 6th relay(K8)Disconnect, finally in closure single-pole double throw interlock type A.C. contactor(K1)Contact when, it is automatic to disconnect Another contact(K1-1), now single-phase intelligent pressure regulator can realize boosting;Or the 3rd relay, the 5th relay(K7)Closure, 1st relay(K3), the 2nd relay(K4), the 4th relay(K6), the 6th relay disconnect, finally closure single-pole double throw interlocking Type A.C. contactor(K1)Another contact(K1-2)When, automatic break, now coil access way change, single-phase intelligent Pressure regulator can realize boosting;2)When intelligent control switch unit monitoring uniline is high voltage, through dividing with reference voltage Analysis is compared, and sends corresponding control instruction so that the 2nd relay, the 6th relay(K8)Closure, the 1st relay(K3), the 3rd relay Device(K5), the 4th relay(K6), the 5th relay disconnect, finally closure single-pole double throw interlock type A.C. contactor(K1)It is another One contact(K1-2)When, automatic break, now single-phase intelligent pressure regulator can realize decompression;Or the 4th relay(K6)、 6th relay(K8)Closure, the 1st relay(K3), the 2nd relay(K4), the 3rd relay(K5), the 5th relay(K7)Disconnect, Finally in closure single-pole double throw interlock type A.C. contactor(K1)Another contact(K1-2)When, automatic break, now coil Access way changes, and single-phase intelligent pressure regulator can realize decompression;Single-pole single-throw(SPST plain edition A.C. contactor(K2)And the 1st is standby Use relay(K3'), the 2nd duplicate relay(K4'), the 3rd duplicate relay(K5'), the 4th duplicate relay, the 5th duplicate relay (K7'), the 6th duplicate relay(K8')Under the work of single-phase intelligent pressure regulator normal power supply, in closure state;Work as single-pole double throw When interlock type A.C. contactor breaks down, single-pole single-throw(SPST plain edition A.C. contactor(K2)By timely disjunction, single-phase intelligence is protected Can pressure regulator service life;When the 1st relay(K3), the 2nd relay(K4), the 3rd relay(K5), the 4th relay(K6), the 5th Relay(K7), the 6th relay(K8)In certain break down all the way can not disjunction when, the 1st duplicate relay in respective channels (K3'), the 2nd duplicate relay(K4'), the 3rd duplicate relay, the 4th duplicate relay(K6'), the 5th duplicate relay(K7'), the 6th Duplicate relay(K8')Also corresponding timely disjunction, protective separation transformer are without damage.
3. the pressure regulation method of low-voltage intelligent voltage-regulation voltage-stabilization system according to claim 2, it is characterised in that:Described hilted broadsword Double-throw interlock type A.C. contactor is by contact(K1-1)With another contact(K1-2)Combination is formed, and works as contact(K1-1)It is another during closure Contact(K1-2)Disconnect, when another contact(K1-2)During closure, contact(K1-1)Disconnect, disclosure satisfy that during gear switch, protect Card single-phase intelligent pressure regulator backend user does not power off;Single-pole single-throw(SPST plain edition A.C. contactor(K2), made as protection switch With;Described relay has the 1st relay(K3), the 2nd relay(K4), the 3rd relay, the 4th relay(K6), the 5th relay (K7)With the 6th relay(K8), as the fling-cut switch of the access way of 1 ~ n tap insulating transformer coil windings of switching;Institute The duplicate relay stated has the 1st duplicate relay(K3'), the 2nd duplicate relay(K4'), the 3rd duplicate relay(K5'), it is the 4th standby Use relay(K6'), the 5th duplicate relay(K7')With the 6th duplicate relay(K8'), used as protection switch, single-phase intelligent Pressure regulator sends control instruction by receiving intelligent control switch unit, can be rationally to a single-pole double throw interlock type ac contactor Device, a single-pole single-throw(SPST plain edition A.C. contactor, six relays and six duplicate relays open and close and moved Make, for changing the tap access way of isolating transformer, realize that single-phase intelligent pressure regulator keeps output electricity automatically in user terminal Pressure is stable.
4. the pressure regulation method of the low-voltage intelligent voltage-regulation voltage-stabilization system according to Claims 2 or 3, it is characterised in that:It is described every There is a n tap from transformer, wherein n is natural number, the centre tap in its n tap(6)To one end tap(7)In, it can take out Go out N number of tap, while 1 corresponding to having ~ N number of relay, the respectively relay of X 1(KX1), the relay of X 2 (KX2)... ..., X N relays(KXN), and 1 corresponding to having ~ N number of duplicate relay, respectively X 1' duplicate relays (KX1'), X 2' duplicate relays(KX2')... ..., X N' duplicate relays, wherein N' is natural number;From centre tap(6) To other end tap(8)In, extraction has another N number of tap, while 1 corresponding to having ~ N number of relay, respectively Y1 after Electrical equipment(KY1), Y2 relays(KY2)... ..., YN relays, and 1 corresponding to having ~ N number of duplicate relay, it is respectively Y1' duplicate relays, Y2' duplicate relays ... ..., YN' duplicate relays(KYN'), wherein N' is natural number;It is all Duplicate relay is in single-phase intelligent pressure regulator normal work, all in closure state;Wherein when the relay of X 1(KX1), X 2 Relay(KX2)... ..., X N relays(KXN)In any one odd-numbered relay closure, Y1 relays (KY1), Y2 relays ... ..., YN relays(KYN)In any one even-numbered relay closure, now 1 ~ n After individual tap insulating transformer tap access, change coil access way, circuit will realize boost function;Wherein when X 1 after Electrical equipment, the relay of X 2(KX2)... ..., the relay closure of any one even-numbered in X N relays, Y1 relays Device(KY1), Y2 relays(KY2)... ..., YN relays(KYN)In any one odd-numbered relay closure, this When the access of 1 ~ n tap insulating transformer tap after, change coil access way, circuit will realize buck functionality.
CN201510873214.4A 2015-12-02 2015-12-02 A kind of low-voltage intelligent voltage-regulation voltage-stabilization system CN105322549B (en)

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