CN207249427U - A kind of electric meter system applied to family's photovoltaic generation - Google Patents
A kind of electric meter system applied to family's photovoltaic generation Download PDFInfo
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- CN207249427U CN207249427U CN201721116233.3U CN201721116233U CN207249427U CN 207249427 U CN207249427 U CN 207249427U CN 201721116233 U CN201721116233 U CN 201721116233U CN 207249427 U CN207249427 U CN 207249427U
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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
- Y02B10/10—Photovoltaic [PV]
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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
- 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
Abstract
The utility model proposes a kind of electric meter system applied to family's photovoltaic generation, including intelligent electric meter, photovoltaic array, accumulator plant, inverter, inverter is connected with intelligent electric meter, intelligent electric meter is connected with mains-power circuit, power circuit respectively, photovoltaic array is connected with accumulator plant, inverter respectively, and accumulator plant is connected with inverter, intelligent electric meter respectively;Accumulator plant includes battery module and detection control module, and intelligent electric meter includes circuit base module and electronic control module;Circuit base module is so as to the mode disconnected is connected with battery module;Connected between electronic control module and detection control module by communication network.The system is by combining photovoltaic generation and power grid electricity consumption kurtosis, power supply mode is regulated and controled, user is set to avoid in peak of power consumption using the situation of grid power, avoid the expenditure of corresponding high electricity price during peak of power consumption, reduce electricity purchasing power of the user by power grid electricity consumption at the same time, reduce subscriber household electricity cost.
Description
Technical field
It the utility model is related to a kind of electric meter system applied to family's photovoltaic generation.
Background technology
Global energy situation is nervous, today of the economic development of global warming serious threat and people's life health,
New energy substitution strategy is all being sought in countries in the world, is obtained advantageously in the hope of sustainable development and in development in the future
Position.The emission quotas that environmental aspect has warned China to possess is extremely limited, or else increases clean energy resource and can
The share of the renewable sources of energy, the economy in China and social development will just be forced to slow down.
China is one of country that solar energy resources enriches, and the regional year sunshine time of national total area more than 2/3 is more than
2000 it is small when;Solar energy power generating with its cleaning, continually, safety etc. significant advantage, become focal point.The sun at the same time
Energy photovoltaic power generation apparatus also has prominent advantage in installation and operation, such as:Securely and reliably, noiseless, pollution-free,
Energy is available anywhere, and without geographical restrictions, without consuming fuel, mechanical rotating part, failure rate is low, easy maintenance, can be with
Unattended, the cycle of building a station is short, and scale is random, without additionally erecting power transmission lines, easily can mutually be tied with building
Close etc..
Therefore, China increases utilization to solar energy resources in recent years, while relevant item is given and is supported energetically
With guiding.Wherein, under the guiding energetically of government, in units of residential households, various regions have successively carried out family's photovoltaic generation and have changed
Make engineering so that each family can also sell family's generation power, no while progress photovoltaic generation is personal into power grid
It is only capable of effectively alleviating the situation of current energy shortage, and is also beneficial to improve the overall income of residential households.
But in photovoltaic generation improvement project, often only take into account electricity generation grid-connecting and the personal feelings of subscriber household power generation
Condition, have ignored the photovoltaic generation period, electricity consumption peak interval of time present in actual electric network, and relation therebetween and corresponding
Electricity price gap so that the family with photovoltaic generation ability cannot carry out relatively reasonable distribution during electricity consumption, easily go out
Some present electricity consumption crest segment, due to weather reason or time reason, photovoltaic power generation apparatus can not generate electricity or generated energy is relatively low, deficiency
To meet that subscriber household is used by oneself;If using grid power at this time, in view of electricity consumption peak electricity price is higher, pass through so as to add user
The power purchase expense of power grid electricity consumption, is unfavorable for the reduction of subscriber household electricity cost;In addition it is connected to the grid at present by power generation circuit
When, power generation ammeter and power grid ammeter is often set at the same time in circuit system, this increases not only the complexity of line construction,
Also it is not easy to effectively distribute household electricity process.
The application documents of Patent No. US2017176505 (A1) disclose a kind of by can obtain in a manner of separate storage can
The system and method for the production measurement of the renewable sources of energy, wherein, monitoring unit uses equipment communication and metering, between the defined time
Every the income level production measurement for periodically carrying out regenerative resource and energy storage, the production measurement of regenerative resource is with may be updated
Suitable form is installed to obtain, without storage, accurate charging, maintenance and performance evaluation can be carried out.But do not have in this application file
Relate in the case of the distinctive situation of photovoltaic generation, and power grid electricity consumption peak valley, to the family with photovoltaic generation ability, such as
The problem of where carrying out relatively reasonable distribution during household electricity.
Utility model content
How the utility model carries out to solve in the family with photovoltaic generation ability during household electricity
The problem of relatively reasonable distribution, propose a kind of electric meter system applied to family's photovoltaic generation, according to the characteristic of photovoltaic generation with
And in power grid electricity consumption peak valley characteristic, household electricity is allocated, make user avoid the peak of power consumption period using power grid electricity
The situation of power, while electricity purchasing power of the user by power grid electricity consumption is reduced, reduce subscriber household electricity cost expenditure.
In order to solve the above technical problems, the technical solution of the utility model is as follows:
A kind of electric meter system applied to family's photovoltaic generation, including it is intelligent electric meter, photovoltaic array, accumulator plant, inverse
Become device, inverter is connected with intelligent electric meter, and intelligent electric meter is connected with mains-power circuit, power circuit respectively, photovoltaic array respectively with
Accumulator plant, inverter connection, accumulator plant are connected with inverter, intelligent electric meter respectively;
Wherein, accumulator plant includes battery module and detection control module, battery module and detection control module
Connection;Intelligent electric meter includes circuit base module and electronic control module, and circuit base module is connected with electronic control module;
Circuit base module is so as to the mode disconnected is connected with battery module;Electronic control module with detection control module it
Between connected by communication network;
Circuit base module is so as to the mode disconnected is connected with mains-power circuit, and circuit base module is so as to the side disconnected
Formula is connected with inverter;The photovoltaic generation end is directly connected by inverter with power circuit.
Further, the circuit base module connects with inverter, power circuit, mains-power circuit, accumulator plant respectively
Connect;
Power purchase contactor is provided between circuit base module and mains-power circuit, between circuit base module and inverter
Sale of electricity contactor is provided with, AC charging switch is provided between circuit base module and accumulator plant.
Preferably, the circuit base module includes circuit module, circuit module respectively with sale of electricity metering module, power purchase meter
Module connection is measured, for being counted to user's sale of electricity electricity, power purchase electricity;
Inverter is connected by sale of electricity contactor with sale of electricity metering module, and mains-power circuit passes through power purchase contactor and purchase
Electric metering module connection;
Circuit module is directly connected to power circuit, and grid power is supplied into power circuit;Circuit module and power grid
Circuit is directly connected to, by sale of electricity power supply into mains-power circuit.
Preferably, the electronic control module includes central processing unit, central processing unit respectively with sale of electricity contactor, sale of electricity
Metering module, circuit module, power purchase metering module, power purchase contactor, AC charging switch connection, for circuit base mould
Block is controlled.
Further, the electronic control module further includes:
Memory module, is connected with central processing unit, for storing the relevant information of electric meter system;
Communication module, is connected with central processing unit;
Clock module, is connected with central processing unit, for processing time relevant information;
Weather forecasting module, is connected with central processing unit, for handling Weather information.
Preferably, the battery module includes:
Secondary battery unit, including at least one TunePower;
AC charging unit, connects with secondary battery unit, AC charging switch, for alternating current to be converted to direct current respectively
Electricity, and charge to storage battery;
DC charging unit, is connected with secondary battery unit, and for the electric power using photovoltaic array output, storage battery is carried out
Charging;
DC charging switchs, and is connected respectively with DC charging unit, photovoltaic array;
Discharge switch, is connected with secondary battery unit, inverter respectively.
Further, the detection control module includes:
Control unit, control unit is connected with DC charging switch, discharge switch respectively, for controlling accumulator plant
Charge and discharge process;
Battery detection unit, is connected with control unit, secondary battery unit respectively, for detecting battery relevant information;
Communication unit, is connected with control unit, passes through between the communication unit and the communication module of intelligent electric meter and communicates
Network connection.
Further, the electric meter system further includes server, is connected between intelligent electric meter and server by communication network
Connect, for obtaining power grid peak valley information, Weather information.
Preferably, communication network is cordless communication network.
Compared with prior art, the utility model proposes a kind of electric meter system applied to family's photovoltaic generation, intelligence is passed through
Connection between energy ammeter and mains-power circuit, accumulator plant, inverter, power circuit, photovoltaic hair is provided for power circuit
Electric power, grid power, battery power are as electric power support, and by analyzing electricity consumption peak in photovoltaic generation characteristic and power grid
Paddy characteristic, regulates and controls power supply mode, and relatively reasonable distribution is carried out for household electricity, user is avoided in peak of power consumption
Section uses the situation of grid power, avoids the expenditure of corresponding high electricity price during peak of power consumption, while reduce user and pass through electricity
The electricity purchasing power of net electricity consumption, reduces subscriber household electricity cost.
Brief description of the drawings
, below will be to needed in the embodiment attached in order to illustrate more clearly of the technical solution in the utility model
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model, for this
For the those of ordinary skill in field, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of schematic diagram of electric meter system applied to family's photovoltaic generation described in the utility model;
Fig. 2 is a kind of structure diagram of electric meter system applied to family's photovoltaic generation described in the utility model;
Fig. 3 is a kind of communication structure signal of electric meter system applied to family's photovoltaic generation described in the utility model
Figure;
Fig. 4 is a kind of another structural representation of electric meter system applied to family's photovoltaic generation described in the utility model
Figure;
Fig. 5 is a kind of structure of the intelligent electric meter of electric meter system applied to family's photovoltaic generation described in the utility model
Schematic diagram;
Fig. 6 is a kind of knot of the accumulator plant of electric meter system applied to family's photovoltaic generation described in the utility model
Structure schematic diagram.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the utility model.On the contrary, they be only with such as
The example of the consistent apparatus and method of some aspects be described in detail in the appended claims, the utility model.
It is only merely for the purpose of description specific embodiment in the term that the utility model uses, and is not intended to be limiting this reality
With new.In " one kind " of the utility model and singulative used in the attached claims, " described " and "the"
It is intended to include most forms, unless context clearly shows that other implications.It is also understood that term used herein " and/
Or " refer to and any or all may be combined comprising the associated list items purposes of one or more.
It will be appreciated that though various information may be described using term first, second, third, etc. in the utility model,
But these information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, not
In the case of departing from the scope of the utility model, the first information can also be referred to as the second information, and similarly, the second information can also
It is referred to as the first information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or
" when ... " or " in response to determining ".
The utility model will be described in detail by embodiment below.
Embodiment 1
As shown in attached drawing 1-4, a kind of electric meter system applied to family's photovoltaic generation, including intelligent electric meter, photovoltaic array,
Accumulator plant, inverter, wherein photovoltaic array, accumulator plant, inverter form photovoltaic generation end, photovoltaic array, inversion
Device is conventional photovoltaic generation relevant device.
Inverter is connected with intelligent electric meter, and intelligent electric meter is connected with mains-power circuit, power circuit respectively, photovoltaic array difference
It is connected with accumulator plant, inverter, accumulator plant is connected with inverter, intelligent electric meter respectively.
The photovoltaic generation end is directly connected by inverter with power circuit.
Wherein, electric power caused by photovoltaic array, can be provided directly in power circuit by inverter, for electricity consumption electricity
Household load in road uses;It can be provided to by inverter via intelligent electric meter in mains-power circuit, i.e., user is by family
Photovoltaic generation electric energy is sold to Utilities Electric Co.;Can also directly it charge for accumulator plant.
Electric power in power grid can be provided in power circuit by intelligent electric meter, can also be supplied to by intelligent electric meter
Accumulator plant, charges for accumulator plant.
The electric power stored in accumulator plant can be provided directly in power circuit by inverter, in power circuit
Household load use;Also can be provided to by inverter via intelligent electric meter in mains-power circuit.
Specifically, accumulator plant includes battery module and detection control module, wherein battery module is storage battery
The basic module of device, for providing the function of discharge and recharge, battery module is connected with detection control module, detects control module
The charge and discharge process of battery module is controlled, is carried out at the same time corresponding battery detecting;Intelligent electric meter includes circuit base
Module and electronic control module, circuit base module are connected with electronic control module;
Circuit base module is so as to the mode disconnected is connected with battery module, to realize using grid power to electric power storage
Pool device charges;Connected between electronic control module and detection control module by communication network, in order to which intelligent electric meter obtains
The information of accumulator plant, and corresponding circuit control is carried out according to the information of accumulator plant;
Circuit base module is so as to the mode disconnected is connected with mains-power circuit, and circuit base module is so as to the side disconnected
Formula is connected with inverter, in order to which supply of the intelligent electric meter to grid power, and the distribution of photovoltaic generation electric power are controlled.
Due to various regions electricity usage condition and the difference of local relevant regulations, corresponding power grid electricity consumption crest segment, flat section, paddy
The division of section is also different, for the ease of being illustrated to the technical solution of the utility model, in the present embodiment, with electricity consumption crest segment
(7:00-11:00,17:00-21:00), with level section (11:00-17:00,21:00-23:00), electricity consumption paddy section (23:00-7:
00) illustrated exemplified by.
In the period of photovoltaic array normal power generation, no matter power grid is electricity consumption crest segment, with level section or electricity consumption paddy section, intelligence electricity
Table carries out circuit control by electronic control module, on the premise of meeting that subscriber household uses by oneself photovoltaic generation electric power, and by part
Generation power is sold to Utilities Electric Co., or is charged using photovoltaic generation electric power for accumulator plant, this process can be fully sharp
With photovoltaic generation power, reduce electricity purchasing power of the user by power grid electricity consumption, reduce subscriber household electricity cost, and can lead to
Cross sale electric power increase user's income;
It can not generate electricity or generated energy is relatively low and is insufficient for user from the used time when photovoltaic array is in, if power grid is electricity consumption
Crest segment, then electric meter system preferentially accumulator plant is generated electricity, provide electric power support to the user;If power grid be electricity consumption paddy section or
With level section, then electric meter system preferentially provides electric power support to the user using grid power, while electric meter system detects electric power storage
When the electric energy of pond storage is less than preset value, electric meter system can be charged using grid power for storage battery;During this with
When level section or paddy section, grid power is used;Battery power is used in peak of power consumption, user can be made to avoid in electricity consumption height
The peak period uses the situation of grid power, the expenditure of corresponding high electricity price when avoiding peak of power consumption, to reduce subscriber household electricity consumption
Expense.
Meanwhile if the electricity needs of user is excessive, and common beyond both photovoltaic generation electric power and battery power
During supply capacity, no matter power grid is in any peak valley section, and electric meter system can provide electric power support to the user using grid power.
In the present embodiment, by between intelligent electric meter and mains-power circuit, accumulator plant, inverter, power circuit
Connection, provides photovoltaic generation electric power, grid power, battery power as electric power support, and pass through analysis for power circuit
Electricity consumption kurtosis, regulates and controls power supply mode in photovoltaic generation characteristic and power grid, is carried out for household electricity relatively reasonable
Distribution, make user avoid using the situation of grid power in the peak of power consumption period, avoid corresponding high electricity during peak of power consumption
The expenditure of valency, while reduce electricity purchasing power of the user by power grid electricity consumption, reduce subscriber household electricity cost.
Embodiment 2
As shown in attached drawing 1-5, in the present embodiment, the intelligent electric meter except can by analyze photovoltaic generation characteristic with
And electricity consumption kurtosis in power grid, power supply mode is regulated and controled outside, can also electricity purchasing power to user and sale of electricity at the same time
Electric power is measured, specifically, the intelligent electric meter includes circuit base module and electronic control module, the circuit base module point
It is not connected with inverter, power circuit, mains-power circuit, accumulator plant;It is provided between circuit base module and mains-power circuit
Power purchase contactor, is provided with sale of electricity contactor, circuit base module and storage battery between circuit base module and inverter
AC charging switch is provided between device.
The circuit base module includes circuit module, circuit module respectively with sale of electricity metering module, power purchase metering module
Connection, for being counted to user's sale of electricity electricity, power purchase electricity;Inverter passes through sale of electricity contactor and sale of electricity metering module
Connection, mains-power circuit are connected by power purchase contactor with power purchase metering module;Circuit module is directly connected to power circuit, will
Grid power is supplied into power circuit;Circuit module is directly connected to mains-power circuit, by sale of electricity power supply to mains-power circuit
In.Circuit structure and corresponding electronic component in circuit module includes conventional ammeter, to ensure that intelligent electric meter has
There is the conventional func of ammeter.
The electronic control module includes central processing unit, central processing unit respectively with sale of electricity contactor, sale of electricity metering module,
Circuit module, power purchase metering module, power purchase contactor, AC charging switch connection, for being controlled to circuit base module
System, for power circuit provide photovoltaic generation electric power, grid power, battery power electric power support, and by control accordingly open
The keying of pass, realizes the regulation and control to corresponding power supply mode.
In addition, electronic control module further includes display module, and display module is connected with central processing unit, for working as to user
The information such as moon sale of electricity electric power, of that month electricity purchasing power, the total sale of electricity electric power of history, the total electricity purchasing power of history are shown, while may be used also
To show current electric grid peak valley segment information, and corresponding electricity price information.
Specifically, in the period of photovoltaic array normal power generation, when photovoltaic power generation quantity meets user power utilization demand, centre
Manage device control power purchase contactor to disconnect, avoid user from using grid power, user is utilized photovoltaic generation electric power, so as to avoid
User by power grid carries out unnecessary power purchase behavior, while the excrescent electric power of photovoltaic generation can be delivered to mains-power circuit,
Or charge for accumulator plant;When photovoltaic power generation quantity is unsatisfactory for user power utilization demand, if being at this time electricity consumption crest segment, centre
Device is managed by communicating with accumulator plant, accumulator plant is discharged, using battery power with the electricity to user demand
Power is supplemented, if being to be closed with level section or paddy section, central processing unit control power purchase contactor at this time, utilizes power grid electricity
Power supplements the electric power of user demand.
It can not generate electricity or generated energy is relatively low and is insufficient for user from the used time when photovoltaic array is in, if being at this time electricity consumption
Crest segment, then central processing unit accumulator plant is discharged by communicating with accumulator plant, using battery power to use
Family provides electric power support, if being to be closed with level section or paddy section, central processing unit control power purchase contactor at this time, utilizes electricity
Net electric power provides electric power support to the user, while central processing unit can be by controlling power purchase contactor to be switched with AC charging
It is closed at, is charged using grid power to accumulator plant.
In addition, the electronic control module of intelligent electric meter further includes:Memory module, is connected with central processing unit, for storing ammeter
The relevant information of system;
Communication module, is connected with central processing unit;
Clock module, is connected with central processing unit, for processing time relevant information;
Weather forecasting module, is connected with central processing unit, for handling Weather information.
Wherein memory module is stored with power grid crest segment, paddy section, flat segment information, includes each section of period, corresponding electricity price,
The power grid crest segment, paddy section, flat segment information are set by Utilities Electric Co. according to relevant regulations.
Central processing unit obtains current time according to clock module, and judges current time for power grid crest segment, paddy section or flat
Section, so that it is determined that the peak valley situation of current electric grid;Further, since the characteristic of photovoltaic generation, under normal circumstances can only be in day illumination
Capable power generation is injected, the time that central processing unit is obtained according to clock module, can tentatively judge whether photovoltaic array generates electricity,
So that it is determined that the power generation situation of photovoltaic array;
It should be noted that with being carried out judging what is be carried out at the same time to photovoltaic generation according to temporal information, central processing unit root
Obtain current weather information according to weather forecasting module, current weather information includes current sunshine condition, so as in combination with
Current time information and current weather information, determine the power generation situation of photovoltaic array.
In addition, weather forecasting module can also obtain weather forecasting information, including when at least future 24 is small within
Weather information.In future time, in fact it could happen that since weather reason causes the hypodynamic situation of photovoltaic generation electricity, intelligent electric meter
It can communicate in advance with accumulator plant by analyzing weather forecasting information, accumulator plant is charged in advance, to ensure
Photovoltaic generation electric power deficiency, and when power grid be electricity consumption crest segment, accumulator plant can provide corresponding electric power support to the user, use up most
It can be avoided that user uses the situation of crest segment electric power greatly, reduce the expense that user buys power.
Embodiment 3
In order to be illustrated to the control process between intelligent electric meter and accumulator plant and connection relation, such as attached drawing
Shown in 1-6, in the present embodiment, accumulator plant includes battery module and detection control module, and battery module includes:
Secondary battery unit, including at least one TunePower;
AC charging unit, connects with secondary battery unit, AC charging switch, for alternating current to be converted to direct current respectively
Electricity, and charge to storage battery;
DC charging unit, is connected with secondary battery unit, and for the electric power using photovoltaic array output, storage battery is carried out
Charging;
DC charging switchs, and is connected respectively with DC charging unit, photovoltaic array;
Discharge switch, is connected with secondary battery unit, inverter respectively.
In order to which the discharge and recharge effectively to storage battery is controlled, DC charging switch, the conventional sense of discharge switch are
Off-state.
Detection control module includes:
Control unit, control unit is connected with DC charging switch, discharge switch respectively, for controlling accumulator plant
Charge and discharge process;
Battery detection unit, is connected with control unit, secondary battery unit respectively, described for detecting battery relevant information
Battery relevant information includes at least battery dump energy;
Communication unit, is connected with control unit, passes through between the communication unit and the communication module of intelligent electric meter and communicates
Network connection.
When intelligent electric meter judges to need accumulator plant to discharge, intelligent electric meter sends electric discharge instruction to accumulator plant,
Accumulator plant is instructed according to electric discharge, is controlled discharge switch to close by control unit, is realized accumulator plant to external discharge
Process.
In the charging process of accumulator plant, control unit according to detection of the battery detection unit to secondary battery unit,
Battery dump energy is obtained, by battery dump energy compared with specified electric quantity value, if battery dump energy is less than specified electric quantity value
When, control unit sends charge request by communication unit to intelligent electric meter;Intelligent electric meter receives charge request, intelligent electric meter root
According to current photovoltaic generation situation and power grid peak valley situation, following processing is made:
Situation A, photovoltaic array is in can not generate electricity or generated energy is relatively low and is insufficient for user uses by oneself, and power grid is in
When paddy section or flat section.
Intelligent electric meter makes power purchase contactor, AC charging switch while remains closed at the same time, the use of grid power is storage
Battery unit charges;
When situation B, photovoltaic array are in normal power generation, no matter power grid is in any situation.
Intelligent electric meter sends photovoltaic charged instruction to accumulator plant, and accumulator plant receives charging instruction, control unit
DC charging switch closure is controlled, is charged using photovoltaic generation electric power for secondary battery unit;
Situation C, photovoltaic array is in can not generate electricity or generated energy is relatively low and is insufficient for user uses by oneself, and power grid is in
During crest segment.
Intelligent electric meter carries out delay charging process, specifically, after the power grid crest segment in situation C, intelligent electric meter root
According to temporal information and Weather information, judge that present case is changed into situation A or asks money B, and perform with situation A or please money B it is opposite
The action answered.
Correspondingly, electric discharge instruction, charging instruction are stored in the memory module of intelligent electric meter.
Between AC charging unit and AC charging switch, i.e., the electrically connected side between accumulator plant and intelligent electric meter
Formula, connects for power line;Between communication unit and communication module, i.e., the communication connection side between accumulator plant and intelligent electric meter
Formula, for order wire connection or cordless communication network connection.
Embodiment 4
As shown in Figure 3, the electric meter system further includes server, passes through communication network between intelligent electric meter and server
Connection, for obtaining power grid peak valley information, Weather information.
Wherein server, which includes at least, sets end, Weather information to obtain end and communication ends, and Utilities Electric Co. is by setting end
To power grid peak valley information, such as power grid crest segment time, power grid equal a time, electric-net valley section time, and corresponding electricity price;My god
Gas acquisition of information end is used to obtain Weather information, when such as real-time weather data, future 24 are small in weather data, future 48 it is small
When in weather data, the Weather information can provide by relevant weather department;Server by communication ends and intelligent electric meter into
Row communication process.
Wherein, communication network is preferably cordless communication network, including 3G network, 4G networks, Wi-Fi (802.11) network,
Any one in Wi-Max (802.16) network, Bluetooth communication, ZigBee-network, frequency hopping spread spectrum (FHSS) radio net.
The foregoing is merely the preferred embodiment of the application, not limiting the application, all essences in the application
God and any modification, equivalent substitution, improvement and etc. within principle, done, should be included within the scope of the application protection.
Claims (9)
1. a kind of electric meter system applied to family's photovoltaic generation, including intelligent electric meter, photovoltaic array, accumulator plant, inversion
Device, inverter are connected with intelligent electric meter, and intelligent electric meter is connected with mains-power circuit, power circuit respectively, it is characterised in that photovoltaic battle array
Row are connected with accumulator plant, inverter respectively, and accumulator plant is connected with inverter, intelligent electric meter respectively;
Wherein, accumulator plant includes battery module and detection control module, and battery module is connected with detection control module;
Intelligent electric meter includes circuit base module and electronic control module, and circuit base module is connected with electronic control module;
Circuit base module is so as to the mode disconnected is connected with battery module;Lead between electronic control module and detection control module
Cross communication network connection;
Circuit base module so as to disconnect mode be connected with mains-power circuit, circuit base module so as to disconnection mode and
Inverter connects;The photovoltaic generation end is directly connected by inverter with power circuit.
A kind of 2. electric meter system applied to family's photovoltaic generation as claimed in claim 1, it is characterised in that the circuit base
Plinth module is connected with inverter, power circuit, mains-power circuit, accumulator plant respectively;
Power purchase contactor is provided between circuit base module and mains-power circuit, is set between circuit base module and inverter
There is sale of electricity contactor, AC charging switch is provided between circuit base module and accumulator plant.
A kind of 3. electric meter system applied to family's photovoltaic generation as claimed in claim 2, it is characterised in that the circuit base
Plinth module includes circuit module, and circuit module is connected with sale of electricity metering module, power purchase metering module respectively, for user's sale of electricity
Electricity, power purchase electricity are counted;
Inverter is connected by sale of electricity contactor with sale of electricity metering module, and mains-power circuit passes through power purchase contactor and power purchase meter
Measure module connection;
Circuit module is directly connected to power circuit, and grid power is supplied into power circuit;Circuit module and mains-power circuit
It is directly connected to, by sale of electricity power supply into mains-power circuit.
A kind of 4. electric meter system applied to family's photovoltaic generation as claimed in claim 1, it is characterised in that the automatically controlled mould
Block includes central processing unit, and central processing unit is measured with sale of electricity contactor, sale of electricity metering module, circuit module, power purchase respectively
Module, power purchase contactor, AC charging switch connection, for being controlled to circuit base module.
A kind of 5. electric meter system applied to family's photovoltaic generation as claimed in claim 4, it is characterised in that the automatically controlled mould
Block further includes:
Memory module, is connected with central processing unit, for storing the relevant information of electric meter system;
Communication module, is connected with central processing unit;
Clock module, is connected with central processing unit, for processing time relevant information;
Weather forecasting module, is connected with central processing unit, for handling Weather information.
A kind of 6. electric meter system applied to family's photovoltaic generation as claimed in claim 1, it is characterised in that the storage battery
Module includes:
Secondary battery unit, including at least one TunePower;
AC charging unit, connects with secondary battery unit, AC charging switch respectively, for alternating current to be converted to direct current,
And charge to storage battery;
DC charging unit, is connected with secondary battery unit, and for the electric power using photovoltaic array output, storage battery is filled
Electricity;
DC charging switchs, and is connected respectively with DC charging unit, photovoltaic array;
Discharge switch, is connected with secondary battery unit, inverter respectively.
A kind of 7. electric meter system applied to family's photovoltaic generation as claimed in claim 1, it is characterised in that the detection control
Molding block includes:
Control unit, control unit is connected with DC charging switch, discharge switch respectively, for controlling the charge and discharge of accumulator plant
Electric process;
Battery detection unit, is connected with control unit, secondary battery unit respectively, for detecting battery relevant information;
Communication unit, is connected with control unit, passes through communication network between the communication module of the communication unit and intelligent electric meter
Connection.
A kind of 8. electric meter system applied to family's photovoltaic generation as claimed in claim 1, it is characterised in that the ammeter system
System further includes server, is connected between intelligent electric meter and server by communication network, for obtaining power grid peak valley information, weather
Information.
9. such as a kind of electric meter system applied to family's photovoltaic generation of claim 1-8 any one of them, it is characterised in that logical
Communication network is cordless communication network.
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CN201721116233.3U CN207249427U (en) | 2017-09-01 | 2017-09-01 | A kind of electric meter system applied to family's photovoltaic generation |
Applications Claiming Priority (1)
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CN201721116233.3U CN207249427U (en) | 2017-09-01 | 2017-09-01 | A kind of electric meter system applied to family's photovoltaic generation |
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Publication Number | Publication Date |
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CN207249427U true CN207249427U (en) | 2018-04-17 |
Family
ID=61884982
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CN201721116233.3U Active CN207249427U (en) | 2017-09-01 | 2017-09-01 | A kind of electric meter system applied to family's photovoltaic generation |
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CN (1) | CN207249427U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109494753A (en) * | 2018-12-26 | 2019-03-19 | 重庆蓝岸通讯技术有限公司 | Intelligent electric meter control system and control method |
CN110165769A (en) * | 2019-06-25 | 2019-08-23 | 浙江矗立建筑装饰工程有限公司 | Intelligent solar power supply system |
CN112098716A (en) * | 2019-11-06 | 2020-12-18 | 电子科技大学中山学院 | Intelligent building adapted power supply monitoring system |
-
2017
- 2017-09-01 CN CN201721116233.3U patent/CN207249427U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109494753A (en) * | 2018-12-26 | 2019-03-19 | 重庆蓝岸通讯技术有限公司 | Intelligent electric meter control system and control method |
CN110165769A (en) * | 2019-06-25 | 2019-08-23 | 浙江矗立建筑装饰工程有限公司 | Intelligent solar power supply system |
CN112098716A (en) * | 2019-11-06 | 2020-12-18 | 电子科技大学中山学院 | Intelligent building adapted power supply monitoring system |
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