CN112290591A - Household integrated photovoltaic control system - Google Patents

Household integrated photovoltaic control system Download PDF

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Publication number
CN112290591A
CN112290591A CN202011158749.0A CN202011158749A CN112290591A CN 112290591 A CN112290591 A CN 112290591A CN 202011158749 A CN202011158749 A CN 202011158749A CN 112290591 A CN112290591 A CN 112290591A
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China
Prior art keywords
power
line
management module
circuit
photovoltaic
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Granted
Application number
CN202011158749.0A
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Chinese (zh)
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CN112290591B (en
Inventor
刘朝永
笪良飞
王春梅
瞿春
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Anhui Provincial Architectural Design And Research Institute Co ltd
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Individual
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/381—Dispersed generators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • H02J3/144—Demand-response operation of the power transmission or distribution network
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
    • H02J2300/20—The dispersed energy generation being of renewable origin
    • H02J2300/22—The renewable source being solar energy
    • H02J2300/24—The renewable source being solar energy of photovoltaic origin
    • 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
    • Y02B10/10—Photovoltaic [PV]
    • 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
    • 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
    • Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
    • 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
    • Y04S20/20—End-user application control systems
    • Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
    • 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
    • Y04S20/242—Home appliances
    • 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
    • Y04S40/00—Systems 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
    • Y04S40/12—Systems 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a household integrated photovoltaic control system, which is used for solving the problem that the conventional household photovoltaic control system cannot distribute power according to the power utilization grade of an electric appliance after power failure; by classifying the power lines, the photovoltaic power generation system can supply power differently according to the important level and the power consumption degree of the power appliances after power failure; the problem of current photovoltaic power generation system can't supply power according to using electrical apparatus important degree is solved.

Description

Household integrated photovoltaic control system
Technical Field
The invention belongs to the field of photovoltaic power generation; relates to photovoltaic power regulation technology; in particular to a household integrated photovoltaic control system.
Background
With the large consumption of petrochemical energy and the serious environmental problems that it brings, the use of sustainable and cleaner energy has become a global consensus. Solar energy is increasingly paid attention and vigorously developed by various countries as a new energy source which is inexhaustible and does not bring any environmental problems. Although the development of the photovoltaic industry in China is late, under the strong advocation of the nation, the photovoltaic power generation technology in China is the first in the world, so each household in the future can be provided with one set of household photovoltaic power generation system. However, the existing household photovoltaic power generation system has many problems, the traditional photovoltaic power generation system is operated in an isolated mode, the calling between the traditional photovoltaic power generation system and a power grid cannot be adjusted, or the system cannot efficiently schedule the use of energy within reasonable time, so that the energy source is wasted greatly, and the system is not economical for users. Meanwhile, after power failure, the power supply of the electrical appliance cannot be carried out according to the use degree and the importance degree.
Disclosure of Invention
The invention aims to provide a household integrated photovoltaic control system, which is used for solving the problem that the existing household photovoltaic control system cannot distribute power according to the power utilization level of electric appliances after power failure.
The purpose of the invention can be realized by the following technical scheme:
a household integrated photovoltaic control system comprises a server, a transmission module, an intelligent household management module, a photovoltaic management module, a line management module, a current regulation module, a photovoltaic power supply, a power grid power supply and a storage battery power supply;
the circuit management module divides the house internal circuit into a low-power charging circuit, a high-power electric appliance circuit, a low-power household electric circuit, an internet access terminal special circuit and a necessary electric appliance circuit;
the server establishes data relation with the line management module through the transmission module to control the on-off condition of the circuit in the house, and the method specifically comprises the following steps:
the method comprises the following steps: acquiring current regulation information in a current regulation module;
step two: when the current regulation information is a power grid power-off signal, the server sends a verification request to the photovoltaic management module;
step three: receiving verification information transmitted by the photovoltaic management module; when the verification information indicates that power generation cannot be performed, the server sends a middle-level danger signal to the line management module;
when the verification information is that power can be generated, the server sends a low-level danger signal to the line management module;
step four: when the verification information in the third step indicates that the power cannot be generated, the server establishes data transmission with the storage battery power supply, and monitors the electric quantity of the storage battery power supply in real time;
step five: when the electric quantity of the storage battery power supply is 50% of the total capacity, the server sends a middle-level danger signal to the line management module
Step six: when the electric quantity of the storage battery power supply is 30% of the total capacity, the server sends a middle-high level danger signal to the line management module;
step seven: when the electric quantity of the storage battery power supply is 10% of the total capacity, the server sends a high-level danger signal to the line management module.
Further, the line management module receives a signal transmitted from the server to perform line switching control, specifically:
a1: when a low-level danger signal transmitted by the server is received, the circuit management module cuts off a high-power electric appliance circuit, and keeps the connection of a low-power charging circuit, a low-power household electric circuit, an internet access terminal special circuit and a necessary electric appliance circuit;
a2: when a middle-level danger signal transmitted by a server is received, the line management module cuts off a high-power electric appliance line and a low-power household electric line, and keeps the connection of a low-power charging line, an internet access terminal special line and a necessary electric appliance line;
a3: when a middle-high level dangerous signal transmitted by a server is received, the line management module cuts off a high-power electric appliance line and a low-power household electric line, keeps the connection of an internet access terminal special line and a necessary electric appliance line, and intermittently connects a low-power charging line;
a4: when receiving the high-level danger signal transmitted by the server, the line management module cuts off the high-power electric appliance line and the low-power household electric line, keeps the connection of the special line of the internet access terminal, and intermittently connects the low-power charging line and the necessary electric appliance line.
Further, the current regulation module is used for connecting the photovoltaic power supply and the power grid power supply;
when the storage battery power supply is in power shortage, the current adjusting module is connected with a power grid power supply to charge the storage battery power supply.
Further, the photovoltaic management module is used for monitoring the power generation amount of the photovoltaic power generation panel, and when the power generation amount of the photovoltaic power generation panel is 20% of the rated power generation amount, the photovoltaic management module sends a signal that power generation cannot be performed to the server;
when the power generation amount of the photovoltaic power generation panel is 70% of the rated power generation amount, the photovoltaic management module sends the generated power to the server.
Furthermore, the intelligent home management module is used for classifying the home;
the photovoltaic power supply is a photovoltaic circuit board; the storage battery power supply is a battery pack consisting of a plurality of 12V lithium batteries;
the power supply of the power grid is 220V alternating current.
Further, the low-power charging line is specifically a flat panel charging line, a shaver charging line, and a small night light line.
Further, the high-power electrical appliance line is specifically an electrical line for a television, an electrical line for a computer, an electrical line for an air conditioner, an electrical line for a washing machine, an electrical line for an electric kettle and an electrical line for a refrigerator.
Furthermore, the low-power household electrical line is specifically an electrical line for a humidifier, an electrical line for an electric fan and an electrical line for a radio.
Further, the dedicated line for the internet access terminal is specifically an electric line for a router and an electric line for a modem.
Further, the necessary electric appliance lines are specifically electric lamp lines and electric phone charger lines.
Compared with the prior art, the invention has the beneficial effects that:
the server is arranged to connect the electric appliance, the power grid power supply and the photovoltaic power supply together, so that the electric appliance, the power grid power supply and the photovoltaic power supply are integrated with each other, and the problem of isolated operation of the conventional photovoltaic power generation system is solved;
by classifying the power lines, the photovoltaic power generation system can supply power differently according to the important level and the power consumption degree of the power appliances after power failure; when the electric quantity of the storage battery power supply is 90% of the total capacity, the circuit management module cuts off a high-power electric appliance circuit, and keeps the connection of a low-power charging circuit, a low-power household electric circuit, an internet access terminal special circuit and a necessary electric appliance circuit; when the electric quantity of the storage battery power supply is 50% of the total capacity; the circuit management module cuts off a high-power electric appliance circuit and a low-power household electric circuit, and keeps the connection of a low-power charging circuit, an internet access terminal special circuit and a necessary electric appliance circuit; when the electric quantity of the storage battery power supply is 30% of the total capacity, the circuit management module cuts off a high-power electric appliance circuit and a low-power household electric circuit, keeps the connection of an internet access terminal special circuit and a necessary electric appliance circuit, and intermittently connects a low-power charging circuit; when the electric quantity of the storage battery power supply is 10% of the total capacity, the circuit management module cuts off a high-power electric appliance circuit and a low-power household electric circuit, keeps the connection of a special circuit of an internet terminal, and intermittently connects a low-power charging circuit and a necessary electric appliance circuit; the problem of current photovoltaic power generation system can't supply power according to using electrical apparatus important degree is solved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a block diagram of the system of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a household integrated photovoltaic control system includes a server, a transmission module, an intelligent home management module, a photovoltaic management module, a line management module, a current regulation module, a photovoltaic power supply, a power grid power supply and a storage battery power supply;
the circuit management module divides the house internal circuit into a low-power charging circuit, a high-power electric appliance circuit, a low-power household electric circuit, an internet access terminal special circuit and a necessary electric appliance circuit;
the server establishes data relation with the line management module through the transmission module to control the on-off condition of the circuit in the house, and the method specifically comprises the following steps:
the method comprises the following steps: acquiring current regulation information in a current regulation module;
step two: when the current regulation information is a power grid power-off signal, the server sends a verification request to the photovoltaic management module;
step three: receiving verification information transmitted by the photovoltaic management module; when the verification information indicates that power generation cannot be performed, the server sends a middle-level danger signal to the line management module;
when the verification information is that power can be generated, the server sends a low-level danger signal to the line management module;
step four: when the verification information in the third step indicates that the power cannot be generated, the server establishes data transmission with the storage battery power supply, and monitors the electric quantity of the storage battery power supply in real time;
step five: when the electric quantity of the storage battery power supply is 50% of the total capacity, the server sends a middle-level danger signal to the line management module;
step six: when the electric quantity of the storage battery power supply is 30% of the total capacity, the server sends a middle-high level danger signal to the line management module;
step seven: when the electric quantity of the storage battery power supply is 10% of the total capacity, the server sends a high-level danger signal to the line management module.
The line management module receives a signal transmitted from the server to perform line switching control, and specifically comprises:
a1: when a low-level danger signal transmitted by the server is received, the circuit management module cuts off a high-power electric appliance circuit, and keeps the connection of a low-power charging circuit, a low-power household electric circuit, an internet access terminal special circuit and a necessary electric appliance circuit;
a2: when a middle-level danger signal transmitted by a server is received, the line management module cuts off a high-power electric appliance line and a low-power household electric line, and keeps the connection of a low-power charging line, an internet access terminal special line and a necessary electric appliance line;
a3: when a middle-high level dangerous signal transmitted by a server is received, the line management module cuts off a high-power electric appliance line and a low-power household electric line, keeps the connection of an internet access terminal special line and a necessary electric appliance line, and intermittently connects a low-power charging line;
a4: when receiving the high-level danger signal transmitted by the server, the line management module cuts off the high-power electric appliance line and the low-power household electric line, keeps the connection of the special line of the internet access terminal, and intermittently connects the low-power charging line and the necessary electric appliance line.
The current regulation module is used for connecting a photovoltaic power supply and a power grid power supply;
when the storage battery power supply is in power shortage, the current adjusting module is connected with a power grid power supply to charge the storage battery power supply.
The photovoltaic management module is used for monitoring the power generation amount of the photovoltaic power generation panel, and when the power generation amount of the photovoltaic power generation panel is 20% of the rated power generation amount, the photovoltaic management module sends a signal that the power generation cannot be performed to the server;
when the power generation amount of the photovoltaic power generation panel is 70% of the rated power generation amount, the photovoltaic management module sends the generated power to the server.
The intelligent home management module is used for classifying the home;
the photovoltaic power supply is a photovoltaic circuit board; the storage battery power supply is a battery pack consisting of a plurality of 12V lithium batteries;
the power supply of the power grid is 220V alternating current.
The low-power charging line is specifically a flat charging line, a shaver charging line, and a small night light line.
The high-power electric appliance line is specifically an electric line for a television, an electric line for a computer, an electric line for an air conditioner, an electric line for a washing machine, an electric line for an electric kettle and an electric line for a refrigerator.
The low-power household electrical circuit is specifically an electrical circuit for a humidifier, an electrical circuit for an electric fan and an electrical circuit for a radio.
The special line of the internet access terminal is specifically an electric line for a router and an electric line for a modem.
The necessary electric appliance lines are specifically electric lamp lines and electric phone charger lines.
In the specific implementation of the invention:
when the electric quantity of the storage battery power supply is 90% of the total capacity, the circuit management module cuts off a high-power electric appliance circuit, and keeps the connection of a low-power charging circuit, a low-power household electric circuit, an internet access terminal special circuit and a necessary electric appliance circuit; when the electric quantity of the storage battery power supply is 50% of the total capacity; the circuit management module cuts off a high-power electric appliance circuit and a low-power household electric circuit, and keeps the connection of a low-power charging circuit, an internet access terminal special circuit and a necessary electric appliance circuit; when the electric quantity of the storage battery power supply is 30% of the total capacity, the circuit management module cuts off a high-power electric appliance circuit and a low-power household electric circuit, keeps the connection of an internet access terminal special circuit and a necessary electric appliance circuit, and intermittently connects a low-power charging circuit; when the electric quantity of the storage battery power supply is 10% of the total capacity, the circuit management module cuts off a high-power electric appliance circuit and a low-power household electric circuit, keeps the connection of a special circuit of an internet terminal, and intermittently connects a low-power charging circuit and a necessary electric appliance circuit.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases by those skilled in the art; the preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. A household integrated photovoltaic control system is characterized by comprising a server, a transmission module, an intelligent household management module, a photovoltaic management module, a line management module, a current regulation module, a photovoltaic power supply, a power grid power supply and a storage battery power supply;
the circuit management module divides the house internal circuit into a low-power charging circuit, a high-power electric appliance circuit, a low-power household electric circuit, an internet access terminal special circuit and a necessary electric appliance circuit;
the server establishes data relation with the line management module through the transmission module to control the on-off condition of the circuit in the house, and the method specifically comprises the following steps:
the method comprises the following steps: acquiring current regulation information in a current regulation module;
step two: when the current regulation information is a power grid power-off signal, the server sends a verification request to the photovoltaic management module;
step three: receiving verification information transmitted by the photovoltaic management module; when the verification information indicates that power generation cannot be performed, the server sends a middle-level danger signal to the line management module;
when the verification information is that power can be generated, the server sends a low-level danger signal to the line management module;
step four: when the verification information in the third step indicates that the power cannot be generated, the server establishes data transmission with the storage battery power supply, and monitors the electric quantity of the storage battery power supply in real time;
step five: when the electric quantity of the storage battery power supply is 50% of the total capacity, the server sends a middle-level danger signal to the line management module
Step six: when the electric quantity of the storage battery power supply is 30% of the total capacity, the server sends a middle-high level danger signal to the line management module;
step seven: when the electric quantity of the storage battery power supply is 10% of the total capacity, the server sends a high-level danger signal to the line management module.
2. The integrated household photovoltaic control system according to claim 1, wherein the line management module receives a signal transmitted from the server to perform line on-off control, specifically:
a1: when a low-level danger signal transmitted by the server is received, the circuit management module cuts off a high-power electric appliance circuit, and keeps the connection of a low-power charging circuit, a low-power household electric circuit, an internet access terminal special circuit and a necessary electric appliance circuit;
a2: when a middle-level danger signal transmitted by a server is received, the line management module cuts off a high-power electric appliance line and a low-power household electric line, and keeps the connection of a low-power charging line, an internet access terminal special line and a necessary electric appliance line;
a3: when a middle-high level dangerous signal transmitted by a server is received, the line management module cuts off a high-power electric appliance line and a low-power household electric line, keeps the connection of an internet access terminal special line and a necessary electric appliance line, and intermittently connects a low-power charging line;
a4: when receiving the high-level danger signal transmitted by the server, the line management module cuts off the high-power electric appliance line and the low-power household electric line, keeps the connection of the special line of the internet access terminal, and intermittently connects the low-power charging line and the necessary electric appliance line.
3. The home-use integrated photovoltaic control system of claim 1, wherein the current regulation module is configured to connect the photovoltaic power circuit to the grid power circuit;
when the storage battery power supply is in power shortage, the current adjusting module is connected with a power grid power supply to charge the storage battery power supply.
4. The household integrated photovoltaic control system according to claim 1, wherein the photovoltaic management module is used for monitoring the power generation amount of the photovoltaic power generation panel, and when the power generation amount of the photovoltaic power generation panel is 20% of the rated power generation amount, the photovoltaic management module sends a failure in power generation to the server;
when the power generation amount of the photovoltaic power generation panel is 70% of the rated power generation amount, the photovoltaic management module sends the generated power to the server.
5. The household integrated photovoltaic control system according to claim 1, wherein the smart home management module is configured to classify homes;
the photovoltaic power supply is a photovoltaic circuit board; the storage battery power supply is a battery pack consisting of a plurality of 12V lithium batteries;
the power supply of the power grid is 220V alternating current.
6. The home-use integrated photovoltaic control system according to claim 1, wherein the low-power charging line is a flat panel charging line, a shaver charging line, and a night light charging line.
7. The home-integrated photovoltaic control system according to claim 1, wherein the high-power electrical lines are specifically an electrical line for a television, an electrical line for a computer, an electrical line for an air conditioner, an electrical line for a washing machine, an electrical line for an electric kettle, and an electrical line for a refrigerator.
8. The household integrated photovoltaic control system according to claim 1, wherein the low-power household electrical lines are electric lines for humidifiers, electric fans and radio.
9. The system according to claim 1, wherein the dedicated line for the internet access terminal is specifically an electric line for a router and an electric line for a modem.
10. The household integrated photovoltaic control system as claimed in claim 1, wherein the necessary electrical appliance lines are electrical lamp lines and electrical mobile phone charger lines.
CN202011158749.0A 2020-10-26 2020-10-26 Household integrated photovoltaic control system Active CN112290591B (en)

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Publication number Priority date Publication date Assignee Title
CN102332749A (en) * 2010-12-31 2012-01-25 上海源致信息技术有限公司 Control equipment and power supply management device and method thereof
JP2015195723A (en) * 2011-05-30 2015-11-05 パナソニックＩｐマネジメント株式会社 power supply system
WO2014051039A1 (en) * 2012-09-27 2014-04-03 京セラ株式会社 Management system, management method, and device
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