CN208904754U - A kind of metering device remote-control intelligent backup power supply - Google Patents

A kind of metering device remote-control intelligent backup power supply Download PDF

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Publication number
CN208904754U
CN208904754U CN201821844150.0U CN201821844150U CN208904754U CN 208904754 U CN208904754 U CN 208904754U CN 201821844150 U CN201821844150 U CN 201821844150U CN 208904754 U CN208904754 U CN 208904754U
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China
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module
control module
power supply
charge
output
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CN201821844150.0U
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Inventor
杨思坚
徐宏
景彪
蒋光华
徐文新
郑水斌
史华明
罗建明
张黎
蒋云霞
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Yuxi Power Supply Bureau of Yunnan Power Grid Co Ltd
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Yuxi Power Supply Bureau of Yunnan Power Grid Co Ltd
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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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • 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
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
    • 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
    • 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
    • Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
    • 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
    • Y04S20/248—UPS systems or standby or emergency generators

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model discloses a kind of metering device remote-control intelligent backup power supplies, including photovoltaic panel, photovoltaic control module, isolating device, charge and discharge control module, battery, ac converter module, main control module, DC boosting module and remote communication module, photovoltaic panel is connect with photovoltaic control module, the direct current output of photovoltaic control module is connect with charge and discharge control module, and charge and discharge control module is connect with battery；Main control module is connect with ac converter module, DC boosting module by signal cable respectively；The output end of ac converter module is connect with isolating device；Public electric wire net is connect with isolating device；The output of isolating device is connect with collector；The output of DC boosting module is connect with metering device；Charge and discharge control module is ac converter module, main control module, DC boosting module provide power input；Ac converter module exports 220V AC power source and provides backup power source for collector, and DC boosting module exports 220V DC power supply and provides backup power source for metering device.

Description

A kind of metering device remote-control intelligent backup power supply
Technical field
The utility model relates to a kind of intelligent backup power supplies of long-range control applied in substation or power transformer, belong to Control field is destroyed and born in technical field of electric power more particularly to electric power collection.
Background technique
Either State Grid Corporation of China or Southern Power Grid Company are all carrying forward vigorously metering automation construction at present, pass through Metering automation system realizes long-range meter reading and stops telegram in reply management, but can have a variety of causes in actual moving process and cause The power-off of automation collection terminal, cause data that can not obtain, power supply department lacks effective detection means to offline terminal, Operation management personnel scene can only be sent to check, implement failure cause, some acquisition equipment is located inside user, and scene is checked There are many difficulties.In order to solve such case, needing to design a while support to power to acquisition terminal power supply and electric energy meter Backup power supply, it is desirable that this backup power supply can alternating current power off in the case where, according to teleinstruction be acquisition terminal and electricity Energy table provides power supply, completes the meter reading work of fixed point, while the operation conditions of terminal can be returned to main control end, makes O&M pipe Reason personnel, which need not reach scene, can be appreciated that the working condition of terminal, improve remote meter reading efficiency, promote operation management efficiency.? The open air that condition has can also increase photovoltaic charged component to backup power supply, realize long-term power supply certainly by photovoltaic module It gives, reduces manpower O&M investment to greatest extent.
Utility model content
Technical problem to be solved in the utility model is to overcome above institute's art defect, and it is long-range to provide a kind of metering device Intelligent control backup power supply is powered for metering automation acquisition terminal and electric energy meter, guarantees the feelings powered off in public electric wire net It is carried out according to remote control commands for/power-off under condition for metering automation acquisition terminal and electric energy meter.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of metering device remote-control intelligent backup power supply, including photovoltaic panel, photovoltaic control module, isolating device, charge and discharge Control module, battery, ac converter module, main control module, DC boosting module and remote communication module, the photovoltaic panel with The photovoltaic control module connection, the direct current output of the photovoltaic control module is connect with the charge and discharge control module, described Charge and discharge control module is connect with the battery；The main control module respectively with the ac converter module, DC boosting mould Block is connected by signal cable；The output end of the ac converter module is connect with the isolating device；Public electric wire net with it is described Isolating device connection；The output of the isolating device is connect with collector；The output of the DC boosting module and metering device Connection；The charge and discharge control module provides power input for the ac converter module, main control module, DC boosting module； The ac converter module output 220V AC power source provides backup power source for collector, and the DC boosting module exports 220V DC power supply provides backup power source for metering device.
Further, main control module described in the utility model can be according to the program or teleinstruction being previously set to described The working condition of charge and discharge control module, ac converter module and DC boosting module automatically controls, realize by tactful charge and discharge, Open or close the ac converter module and DC boosting module.
Further, isolating device described in the utility model includes relay and power module, public electric wire net and the relay Device is connected as the main power source input of the relay, and the ac converter module and the relay are connected as the relay Backup power source input, the ac output end of the relay are connect with collector, the another output of the relay and institute State the input that power module is connected to the power module, the output of the power module and the charge and discharge control module phase It is connected to the DC supply input of the charge and discharge control module.
Further, relay described in the utility model is made of two-way dpdt relay, and normally opened contact control is public Whether power grid is collector and power module power supply, and normally-closed contact controls whether the ac converter module is that collector supplies Electricity, the two-way dpdt relay are powered winding by public electric wire net.
Further, charge and discharge control module described in the utility model has a two-way power input, the isolating device it is defeated Out from the power input of public electric wire net, the output of the photovoltaic control module from photovoltaic panel power input, two Road power supply all in the presence of, it is battery that the charge and discharge control module, which is preferentially selected through the input of photovoltaic control module, Charging.
Further, charge and discharge control module described in the utility model supports lithium battery and lead storage battery, has PWM and temperature Detection function.
Further, charge and discharge control module described in the utility model can realize the light under the control of the main control module It is powered when volt control module output is insufficient by isolating device.
Further, main control module described in the utility model is an embedded system, can pass through the remote communication module Implementation strategy issues storage, and the main control module realizes the intelligent control to entire backup power supply according to strategy.
Further, remote communication module described in the utility model supports GPRS communication mode, realized by GPRS communication and The communication of distal end master control system, the remote communication module can work in booting always or determine under main control module control Two kinds of operating modes of Shi Kaiji.
The utility model has the beneficial effects that the acquisition terminal and electric energy that cause data that cannot acquire because of a variety of causes power failure Table is powered by controlled backup power supply, by the long-range control to backup power supply, the intelligent operation that backup power supply has With the advantage of power self-support, it is ensured that all terminals are on-demand, on time online, and solving leads to data not because terminal is offline at present It can acquire, it is necessary to which the problem of artificial scene is checked greatly reduces corresponding O&M cost, improve work efficiency, and supplies steady Electricity improves customer satisfaction and all has significance, and the utility model has great promotional value in power domain.
Detailed description of the invention
Fig. 1 is the logical schematic of the utility model；
Fig. 2 is the isolating device logical schematic；
Fig. 3 is the isolating device relay switch schematic diagram.
Specific embodiment
It falls to be described in further detail the utility model with implementation with reference to the accompanying drawing.
A kind of metering device remote-control intelligent backup power supply described in the utility model, including photovoltaic panel 1, photovoltaic control module 2, Isolating device 3, charge and discharge control module 4, battery 5, ac converter module 6, main control module 7, DC boosting module 8 and long-range Communication module 9, the photovoltaic panel 1 are connect with the photovoltaic control module 2, the direct current output of the photovoltaic control module 2 and institute The connection of charge and discharge control module 4 is stated, the charge and discharge control module 4 is connect with the battery 5；The main control module 7 is distinguished It is connect with the ac converter module 6, DC boosting module 8 by signal cable；The output end of the ac converter module 6 with The isolating device 3 connects；Public electric wire net 10 is connect with the isolating device 3；The output of the isolating device 3 and collector 11 Connection；The output of the DC boosting module 8 is connect with metering device 12；The charge and discharge control module 4 is that the exchange is inverse Become module 6, main control module 7, DC boosting module 8 and power input is provided；The ac converter module 6 exports 220V AC power source Backup power source is provided for collector, the DC boosting module 8 exports 220V DC power supply and provides backup power source for metering device.
Further, main control module 7 described in the utility model can be according to the program or teleinstruction being previously set to institute The working condition for stating charge and discharge control module 4, ac converter module 6 and DC boosting module 8 automatically controls, and realization is filled by strategy It discharges, open or close the ac converter module 6 and DC boosting module 8.
Further, isolating device 3 described in the utility model include relay 3-1 and power module 3-2, public electric wire net 10 with The relay 3-1 is connected as the main power source input of the relay 3-1, the ac converter module 6 and relay 3-1 It is connected as the backup power source input of the relay 3-1, the ac output end of the relay 3-1 is connect with collector 11, institute The another output and the power module 3-2 of stating relay 3-1 are connected to the input of the power module 3-2, described 4 direct current that the output of power module 3-2 is connected with the charge and discharge control module 4 as the charge and discharge control module Source input.
Further, relay 3-1 described in the utility model is made of two-way dpdt relay, and normally opened contact control is public Whether common-battery net 10 is collector 11 and power module 3-2 power supply, and whether normally-closed contact controls the ac converter module 6 For the power supply of collector 11, the two-way dpdt relay is powered winding by public electric wire net 10.
Further, charge and discharge control module 4 described in the utility model has two-way power input, the isolating device 3 The power input from public electric wire net 10 is exported, the output of the photovoltaic control module 2 is defeated from the power supply of photovoltaic panel 1 Enter, two-way power supply all in the presence of, the charge and discharge control module 4 is preferentially selected through the defeated of photovoltaic control module 2 Enter for the charging of battery 5.
Further, charge and discharge control module 4 described in the utility model supports lithium battery and lead storage battery, has PWM and temperature Spend detection function.
Further, described in charge and discharge control module 4 described in the utility model can be realized under the control of the main control module 7 It is powered when photovoltaic control module 2 exports deficiency by isolating device 3.
Further, main control module 7 described in the utility model is an embedded system, can pass through the remote communication module 9 implementation strategies issue storage, and the main control module 7 realizes the intelligent control to entire backup power supply according to strategy.
Further, remote communication module 9 described in the utility model supports GPRS communication mode, realized by GPRS communication and The communication of distal end master control system, the remote communication module 9 can work in booting always or under the main control module 7 control Two kinds of operating modes of timing start-up.
Embodiment: being shown in Fig. 1, the metering device remote-control intelligent backup power supply, by photovoltaic panel 1, photovoltaic control module 2, every From device 3, charge and discharge control module 4, battery 5, ac converter module 6, main control module 7, DC boosting module 8 and long-range logical Believe that module 9 is constituted；Wherein photovoltaic panel 1 is connect with photovoltaic control module 2, and the direct current output of photovoltaic control module 2 and charge and discharge are automatically controlled Molding block 4 connects, and charge and discharge control module 4 is connect with battery 5；Main control module 7 respectively with ac converter module 6, direct current liter Die block 8 is connected by signal cable；The output end of ac converter module 6 is connect with isolating device 3；Public electric wire net 10 be isolated Device 3 connects；The output of isolating device 3 is connect with collector 11；The output of DC boosting module 8 is connect with metering device 12； Charge and discharge control module 4 is ac converter module 6, main control module 7, DC boosting module 8 provide power input.
The utility model supports two-way power supply to export simultaneously, and wherein ac converter module 6 exports 220V AC power source, can Backup power source is provided for various collectors；DC boosting module 8 exports 220V DC power supply, can provide standby electricity for electric energy meter Source.
There are a main control modules 7 inside the utility model, can be according to the program or teleinstruction being previously set certainly The various working conditions of dynamic control backup power supply, including to charge and discharge control module 4, ac converter module 6 and DC boosting mould The working state control of block 8 is, it can be achieved that by tactful charge and discharge, open or close ac converter module 6 and DC boosting module 8.
There are an isolating device 3 inside the utility model, by relay 3-1 and power module 3-2 inside isolating device 3 It constitutes, public electric wire net 10 is connect with relay 3-1, and the main power source for being relay 3-1 inputs, ac converter module 6 and relay 3-1 connection, the backup power source for being relay 3-1 input, and the ac output end of relay 3-1 is connect with collector 11, relay The another output of 3-1 is connect with power module 3-2, as the input of power module 3-2, the output of power module 3-2 with Charge and discharge control module 4 is connected, 4 DC supply input as charge and discharge control module.Relay in isolating device 3 3-1 is made of two-way dpdt relay, and two-way normally opened contact controls whether public electric wire net 10 is collector 11 and power supply mould Whether block 3-2 power supply, 1 road normally-closed contact control ac converter module 6 are that collector 11 is powered, and two-way relay is by common electrical Net 10 is powered winding.
Charge and discharge control module 4 has two-way power input, and wherein the output of isolating device 3 is from public electric wire net 10 Power input, the output of photovoltaic control module 2 from photovoltaic panel 1 power input, two-way power supply all in the presence of, It is the charging of battery 5 that charge and discharge control module 4, which is preferentially selected through the input of photovoltaic control module 2,.Charge and discharge control module 4 Lithium battery and lead storage battery are held, has PWM and temperature detecting function.Charge and discharge control module 4 can be under the control of main control module 7 It realizes and is powered when photovoltaic control module 2 exports deficiency by isolating device 3.
The main control module 7 is an embedded system, and storage can be issued by 9 implementation strategy of remote communication module, main Controlling module 7 can be according to the tactful intelligent control realized to entire backup power supply.Remote communication module 9 supports GPRS communication mode, It is realized by GPRS communication and the communication of distal end master control system, remote communication module 9 can work in booting always or in master control mould Two kinds of operating modes of timing start-up under the control of block 7.
In practical work process, the relay of public electric wire net 10 and collector 11, charging-discharging controller 4 is normally opened relay The relay of device, AC inverter 6 and collector 11 is normally closed relay, when public electric wire net 10 has electricity, in isolating device 3 Two relays are attracted, public electric wire net 10 and collector 11,4 contact closure of charging-discharging controller, and public electric wire net 10 is collector 11, charging-discharging controller 4 is powered, and the contact of AC inverter 6 and collector 11 disconnects, ensure that when inverter power supply not to The reversed power transmission of power grid.When alternating current is normal, acquisition terminal and electric energy meter are powered by alternating current, the present apparatus can be according to built-in plan Slightly to charge the battery, after alternating current powers off, the present apparatus and city's electrical connection are disconnected, and the present apparatus guarantees automatically into standby mode Communication module 9 works normally, and ac converter module 6 and DC boosting module 8 determine whether according to the control instruction of main control module 7 Work, the control instruction of main control module 7 can work according to the instruction that built-in working strategies or operator remotely issue.When When remotely needing to acquire electric energy meter data, main control module 7 controls ac converter module 6 and DC boosting module 8 enters work shape Enter working condition after state, acquisition terminal and electric energy meter power-on, after the completion of collecting work, main control module 7 controls ac converter Module 6 and DC boosting module 8 stop working, and system enters standby mode.
The working principle and specific operative scenario of the utility model, this reality should be able to be clearly understood by above description With it is novel mainly for power grid for the operative scenarios of data can not be acquired after the electrical energy data acquiring equipment power loss of electrical domain, at present Mainstream acquisition equipment supply voltage be 220V exchange, electric energy meter be 220V direct current, the utility model for above-mentioned scene innovation Property proposes the solution of remote-control intelligent backup power supply, and it is normal for providing different operating voltages for different power supply units Know, this reality all should belong to by output voltage, bearing power or the port number for increasing supplied by AC/DC electricity etc. that change backup power supply With the column of novel protected range, the utility model proposes provide power self-support by photovoltaic power generation for backup power supply, actually Power self-support can also be provided for backup power supply by small-sized wind power generator, all answering for power self-support is realized using wind light generation Belong to the protection scope of the utility model.

Claims (9)

1. a kind of metering device remote-control intelligent backup power supply, including photovoltaic panel (1), photovoltaic control module (2), isolating device (3), Charge and discharge control module (4), battery (5), ac converter module (6), main control module (7), DC boosting module (8) and long-range Communication module (9), which is characterized in that the photovoltaic panel (1) connect with the photovoltaic control module (2), and the photovoltaic controls mould The direct current output of block (2) is connect with the charge and discharge control module (4), the charge and discharge control module (4) and the battery (5) it connects；The main control module (7) passes through signal cable with the ac converter module (6), DC boosting module (8) respectively Connection；The output end of the ac converter module (6) is connect with the isolating device (3)；Public electric wire net (10) is isolated with described Device (3) connection；The output of the isolating device (3) is connect with collector (11)；The output of the DC boosting module (8) with Metering device (12) connection；The charge and discharge control module (4) is the ac converter module (6), main control module (7), direct current Boost module (8) provides power input；Ac converter module (6) the output 220V AC power source provides standby electricity for collector Source, DC boosting module (8) the output 220V DC power supply provide backup power source for metering device.
2. a kind of metering device remote-control intelligent backup power supply according to claim 1, which is characterized in that the main control module It (7) can be according to the program or teleinstruction being previously set to the charge and discharge control module (4), ac converter module (6) It is automatically controlled with the working condition of DC boosting module (8), realizes by tactful charge and discharge, opens or closes the ac converter mould Block (6) and DC boosting module (8).
3. a kind of metering device remote-control intelligent backup power supply according to claim 1, which is characterized in that the isolating device It (3) include relay (3-1) and power module (3-2), public electric wire net (10) and the relay (3-1) are connected as the relay The main power source of device (3-1) inputs, and the ac converter module (6) and the relay (3-1) are connected as the relay (3-1) Backup power source input, the ac output end of the relay (3-1) connect with collector (11), the relay (3-1) Another output and the power module (3-2) are connected to the input of the power module (3-2), the power module The DC power supply that the output of (3-2) is connected with the charge and discharge control module (4) as (4) of the charge and discharge control module Input.
4. a kind of metering device remote-control intelligent backup power supply according to claim 3, which is characterized in that the relay (3- 1) it is made of 2 road dpdt relays, normally opened contact controls whether public electric wire net (10) are collector (11) and the power supply Module (3-2) power supply, normally-closed contact control whether the ac converter module (6) is collector (11) power supply, No. 2 double-pole Double-throw relay is powered winding by public electric wire net (10).
5. a kind of metering device remote-control intelligent backup power supply according to claim 1, which is characterized in that the charge and discharge control Module (4) has two-way power input, power input of the output of the isolating device (3) from public electric wire net (10), institute Power input of the output from photovoltaic panel (1) for stating photovoltaic control module (2), two-way power supply all in the presence of, institute Stating charge and discharge control module (4) and preferentially selecting through the input of photovoltaic control module (2) is battery (5) charging.
6. a kind of metering device remote-control intelligent backup power supply according to claim 5, which is characterized in that the charge and discharge control Module (4) supports lithium battery and lead storage battery, has PWM and temperature detecting function.
7. a kind of metering device remote-control intelligent backup power supply according to claim 5, which is characterized in that the charge and discharge control Module (4) can be realized when photovoltaic control module (2) output is insufficient under the control of the main control module (7) through isolation dress (3) are set to be powered.
8. a kind of metering device remote-control intelligent backup power supply according to claim 1, which is characterized in that the main control module (7) it is an embedded system, storage, the main control module (7) can be issued by the remote communication module (9) implementation strategy The intelligent control to entire backup power supply is realized according to strategy.
9. a kind of metering device remote-control intelligent backup power supply according to claim 1, which is characterized in that the telecommunication mould Block (9) supports GPRS communication mode, realizes the communication with distal end master control system, the remote communication module by GPRS communication (9) it can work in booting always or two kinds of operating modes of timing start-up under the main control module (7) control.
CN201821844150.0U 2018-11-09 2018-11-09 A kind of metering device remote-control intelligent backup power supply Active CN208904754U (en)

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