CN207719819U - A kind of wired home power supply system - Google Patents
A kind of wired home power supply system Download PDFInfo
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- CN207719819U CN207719819U CN201721866602.0U CN201721866602U CN207719819U CN 207719819 U CN207719819 U CN 207719819U CN 201721866602 U CN201721866602 U CN 201721866602U CN 207719819 U CN207719819 U CN 207719819U
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- 238000001514 detection method Methods 0.000 claims description 11
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Classifications
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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]
-
- 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
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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
-
- 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
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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
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
-
- 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
Abstract
The utility model discloses a kind of wired home power supply systems, including：Photovoltaic plant, monitoring device, photovoltaic plant gauge table, bidirectional measuring table, intelligent control switch, household load；The electricity that photovoltaic plant generates flows into monitoring device successively, household load and power grid are supplied by bidirectional measuring table after photovoltaic plant gauge table, wherein when the sampling circuit samples of bidirectional measuring table have electric current to spread out of to power grid, to control intelligent control switch feedback signal, control intelligent switch receive that the feedback signal connects can energy storage electricity consumption equipment (water heater etc.) or energy storing devices access system, to receive the electric energy of photovoltaic plant generation.The electricity that photovoltaic plant is sent out is maximally utilized in this way.Improve the systematic economy benefit of photovoltaic plant.
Description
Technical field
The utility model is related to wired home power supply system, and in particular to a kind of photovoltaic plant power supply system belongs to the sun
It can technical field of photovoltaic power generation.
Background technology
In lack of energy and today of problem of environmental pollution getting worse, photovoltaic generation is the following regenerative resource application
A kind of important method.The application of photovoltaic generation is broadly divided into 2 classes, centralized high-power plant and distributed personal electricity at present
It stands.It is to utilize photovoltaic module (such as：Using special material such as crystal silicon plate) inverter, etc. equipment composition power generation system (will
The DC conversion that photovoltaic module generates is alternating current), it is input to power grid or the photovoltaic generating system of user.The prison of photovoltaic generation
Control system be mainly responsible for each equipment (inverter, bus cases etc.) of photovoltaic plant data acquisition, and by it is wired or wireless (such as
GPRS, Ethernet, WIFI etc.) information of acquisition is uploaded to server by mode, and user may be implemented long-range to power generation situation
Real time inspection and data management.Growing with photovoltaic generation, monitoring system is also more intelligent.So monitoring device
The intermediate effect that data information transmits in time cannot be contented just to, more intelligentized should realize the tune of information to a certain extent
Section mechanism.
Photovoltaic plant electricity can be transmitted to power grid beyond the part ordinary circumstance that user uses, and avoid extra electricity
Waste.In some cases, it may appear that photovoltaic plant electricity is non-selected when being transmitted to power grid or can not be transmitted to power grid.
It wastes electric caused by photovoltaic plant.
Utility model content
For this purpose, one of the purpose of this utility model, it is home-use to be that the electricity maximumlly generated using photovoltaic plant is supplied
Family.Realize the maximizing the benefits of photovoltaic plant.To achieve the above object, the utility model adopts the following technical solution：
A kind of wired home power supply system includes：Photovoltaic plant, the photovoltaic plant, including：
Photovoltaic module, inverter, the inverter are electrically connected to the photovoltaic module, will be connect from photovoltaic cell component
The low dc voltage of receipts turns AC through DC and is converted into stable sine wave alternating current；
Monitoring device is electrically connected to the inverter, receives and sample the running parameter of the inverter, and will sampling
Parameter information be transmitted to the server of distal end；
Photovoltaic gauge table is electrically connected to institute's monitoring device, to calculate the electricity of the generation of the photovoltaic plant；
Bidirectional measuring table, including, current sensing means is electrically connected to the photovoltaic gauge table and power grid, to count
The photovoltaic plant is delivered to the electricity of power grid and the electricity of statistics power grid input；And
Household load is electrically connected to the bidirectional measuring table, to receive photovoltaic plant supply electric energy and/or
The electric energy of the power grid supply.
Preferably, which includes：At least one intelligent control switch, be electrically connected to can energy storage electricity consumption
Equipment and/or energy storing devices, trigger the intelligent control switch with by it is described can energy storage electricity consumption equipment or the energy storing devices
Intelligence access power supply system receives the electric energy of the photovoltaic plant conveying.
Preferably, which includes further that at least one intelligent control switch is electrically connected to family
In load can energy storage electricity consumption equipment and/or energy storing devices and the bidirectional measuring table, receive the letter of bidirectional measuring table transmission
Cease and control the intelligent control switch by it is described can energy storage electricity consumption equipment or the energy storing devices intelligently access power supply system,
Receive the electric energy of the photovoltaic plant conveying.
Preferably, which includes further that intelligent control switch is electrically connected to bidirectional measuring
The rated current of table, the intelligent control switch is no more than 32A.
Preferably, the bidirectional measuring table, including wireless module, is wirelessly connected to intelligent control switch, it is described double to transmit
The instruction sent out to gauge table.
Preferably, the bidirectional measuring table, including current sampling circuit, is electrically connected to the photovoltaic gauge table and power grid,
The sample circuit detection flows into the electric current of the power grid, and the information of detection is fed back to the institute of connection by the wireless module
State intelligent control switch.
Preferably, the current sampling circuit, including current sensor, it includes the first side and the second sides；First side
The ends A be electrically connected photovoltaic gauge table, the ends B of the first side are electrically connected power grid, wherein when the first effluent overcurrent, the second side
2 signal input parts of the operational amplifier of connection are transmitted to after internal resistance sampled signal, after the operational amplifier operation its
Output end exports sinusoidal analog voltage signal, and the analog voltage signal is transmitted to the processor of the bidirectional measuring table to estimate
The current value that first effluent is crossed.
Preferably, sample circuit detection flows into the electric current of the power grid, if the electric current of detection exceeds given threshold, institute
It states bidirectional measuring table and sends out signal to monitoring device or intelligent control switch.
Preferably, intelligent control switch, including wireless module, infrared module, are connected to server or smart machine；With
With the on or off according to scheduled program or remote control intelligent control switch, to connect that it is connected can energy storage electricity consumption
Equipment access power supply system.
Preferably, which further includes intelligent control switch, and the intelligent control switch includes wireless module, the nothing
Wire module is connected to the inverter, when intelligent control switch identify can energy storage electricity consumption equipment or energy storing devices reach setting
Threshold value when, feedback signal to the inverter, the inverter responds the signal to drop power generation.
The advantages of scheme in compared with the existing technology, the utility model：
1：It, that is, will when having the energy production more than user power utilization when the sampling of bidirectional current table has electric current to be transmitted to net electricity
Signal reaches intelligent control switch or smart machine, intelligent control switch according to preset program open can energy storage electricity consumption equipment
Or energy-storage battery and power supply system is accessed, receive the electric energy of photovoltaic plant transmission；Or user is long-range by smart machine
The on or off of control intelligent control switch come use can energy storage electricity consumption equipment (water heater etc.) or energy storing devices.
2：The requirement for meeting photovoltaic power station power generation simultaneously, pass through the part electric appliance to user unlatching realize energy height
Effect is intelligent to be utilized.It increases economic efficiency.
3:Avoid current direction power grid (requirement for meeting some areas).
Description of the drawings
The utility model is further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the structural schematic diagram of the photovoltaic power station system of the utility model embodiment；
Fig. 2 is the structural schematic diagram of household load in Fig. 1；
Fig. 3 is the current sample topological circuit schematic diagram of bidirectional measuring table in Fig. 1；
Fig. 4 is the schematic diagram that intelligent control switch is connect with far-end server；
Specific implementation mode (enumerates several schemes that can implement)：
In order to be more clearly understood that the above objects, features, and advantages of the utility model, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Embodiment：
It is the structural schematic diagram of photovoltaic power station system as shown in Figure 1, the electricity that the power generation of photovoltaic plant 1 generates flows into monitoring successively
Equipment 2, photovoltaic plant gauge table 3, bidirectional measuring table 4；The electricity that the power generation of photovoltaic plant 1 generates passes through general after bidirectional measuring table 4
Household load and power grid 5 can be branched into.
In the above embodiment, the system power of photovoltaic plant depending on application scenario, is utilized multiple photovoltaic groups
Part (the parameter of such as monolithic module：60 polycrystalline pack, output power 270W-285W；Open-circuit voltage 38V) generate direct current warp
Inverter (power of such as single inverter is between 250W-1000W) is crossed to turn after (DC/AC) change, to be converted into satisfactory electric energy
It is input to power grid or the household load of user.
It is illustrated in figure 2 the schematic diagram of household load in Fig. 1, may include：Lighting source, electric heater, energy storage device
(e.g., energy-storage battery), air-conditioning, other electrical equipments.
In the above embodiment, when the system of photovoltaic plant is in the first operating mode, electricity caused by photovoltaic plant is excellent
First be supplied to household load, bidirectional measuring table detect electric current from electric current to power grid (i.e.：When built photovoltaic power station power generation amount is more than family
The power consumption of front yard load), in order to avoid extra electric current is to power grid, bidirectional measuring table is to server or intelligent control switch at this time
Send out instruction.Electric energy caused by photovoltaic plant is maximumlly utilized in this way.But when the electricity that photovoltaic plant generates is inadequate
Differential section is supplemented by power grid when household load use.
In one embodiment, the information that its current sampling circuit detects is transmitted to institute by bidirectional measuring table by wireless module
The server or smart machine (e.g., smart mobile phone etc.) of connection, such user remotely receives the letter that bidirectional measuring table is sent
Breath, the connection for the intelligent control switch that remote control is connected, and then by family can energy storage electricity consumption equipment (e.g., water heater,
Air-conditioning, battery) receive electric energy caused by photovoltaic plant.Electric energy caused by photovoltaic plant is maximumlly utilized in this way.
In one embodiment, the information that its current sampling circuit detects is transmitted to institute by bidirectional measuring table by wireless module
The server extremely connected or smart machine (e.g., smart mobile phone etc.) of connection, the server or smart machine receive two-way
The information (indicator current flows to household load) that gauge table is sent, the APP software controls installed by server or smart machine
The connection of connected intelligent control switch is made, and then the energy storage device of family (e.g., battery) is received produced by photovoltaic plant
Electric energy.Electric energy caused by photovoltaic plant is maximumlly utilized in this way.Such as：In household load include energy-storage battery, water heater,
At this moment energy-storage battery, water heater are each configured with intelligent control switch；First intelligent control switch connects energy-storage battery, the second intelligence
Switch connection water heater can be controlled, the first intelligent control switch and the second intelligent control switch are electrically connected, and are preset preferential
Trigger the first intelligent control switch；First intelligent control switch controls its storage connected after receiving the signal of bidirectional measuring table
Energy battery access power supply system receives the electric energy that photovoltaic plant generates；The charging module of intelligent control switch and energy-storage battery is electrical
Row information interaction of going forward side by side is connected, when intelligent control switch detects that the energy-storage battery charges to predetermined condition；Bidirectional measuring table
Current direction power grid is also detected, to open electric heater, water heater working water temperature reaches the second intelligent control switch of triggering
Predetermined certain temperature, water heater are stopped；Bidirectional measuring table also detects when having electric current to power grid, bidirectional measuring table or the second intelligence
It can control to switch to send out to instruct to its inverter light connected and stop generating electricity or drop power generation；Water heater after a period of time
Temperature reduces, and is again started up water heater working.Maximumlly using electricity caused by photovoltaic plant.The utilization rate of raising system,
Improve user experience.
In one embodiment such as：Include energy-storage battery in household load, energy-storage battery is configured with intelligent control switch；Intelligence
Control switch connection energy-storage battery, intelligent control switch are controlled according to preset program after receiving the signal of bidirectional measuring table
Its energy-storage battery connected accesses power supply system and receives the electric energy that photovoltaic plant generates；Intelligent control switch and energy-storage battery
Charging module is electrically connected row information interaction of going forward side by side, when intelligent control switch detects that the energy-storage battery charges to predetermined condition
When；Bidirectional measuring table has also detected the inverter that current direction power grid, bidirectional measuring table or intelligent control switch are connected to it
Light sends out instruction and stops power generation or drop power generation.Maximumlly using electricity caused by photovoltaic plant.The utilization of raising system
Rate improves user experience.
In one embodiment such as：Include water heater in household load, water heater is configured with intelligent control switch；Intelligent control
Switch connection water heater, intelligent control switch are received and control it after the signal of bidirectional measuring table and connect according to preset program
The water heater access power supply system connect receives the electric energy that photovoltaic plant generates；Intelligent control switch is gone forward side by side with water heater electric connection
Row information interacts, and water heater working water temperature reaches predetermined certain temperature, and water heater is stopped；Bidirectional measuring table, which also detects, electricity
When flowing to power grid, bidirectional measuring table or intelligent control switch send out instruction to its inverter light connected and stop power generation or drop power
Power generation；Water heater temperature reduces after a period of time, is again started up water heater working.Maximumlly produced using photovoltaic plant
Raw electricity.The utilization rate of raising system improves user experience.
In one embodiment such as：In household load comprising it is multiple can energy storage electrical equipment or when energy-storage battery, respectively often
It is a can energy storage electrical equipment or energy-storage battery configure intelligent control switch；It is electrically connected between multiple intelligent control switch, if
Surely the sequence opened, the electrical equipment that device is connected access electricity system.So maximumlly using produced by photovoltaic plant
Electricity.The utilization rate of raising system improves user experience.
In one embodiment, intelligent control switch is electrically connected the monitoring device in photovoltaic plant, passes through the monitoring device
Work order (e.g., being stopped, drop low-power operation) can be sent out to inverter simultaneously, its household load is made preferentially to use photovoltaic
Power station electricity prevents extra electric current to power grid.
Fig. 3 is the current sampling circuit topology schematic diagram of bidirectional measuring table in Fig. 1；Current sampling circuit includes that electric current passes
Sensor L, resistance R1-R6, operational amplifier U；First side of current sensor includes the ends A and the ends B, to flow through electric current (flow direction electricity
Net), one end ground connection of the second side of current sensor, the other end of the second side is electrically connected to one end and the resistance of resistance R1
One end of R2；The other end of resistance R2 is electrically connected to the positive terminal of operational amplifier U；The other end of resistance R1 is electrically connected to
One end of resistance R3, the other end of resistance R3 are electrically connected to the negative pole end of operational amplifier U, the negative pole end of amplifier U with put
Connection resistance R4 between big device U output ends；The positive terminal of amplifier U is electrically connected to one end of resistance R6, the other end of resistance R6
It is electrically connected to one end of reference voltage end 7 and resistance R5, the other end of resistance R5 is connected to internal reference end；Electric current Ip is through electricity
It is flowed out through the ends B behind the ends A of flow sensor, being transmitted to operation after the sampling of current sensor L (current transformer) internal resistance puts
Big device U (referred to as " amplifier "), its output end 8 exports a sinusoidal analog electricity on the basis of 2.5V after operational amplifier U operations
Press signal, be input to the processor (not shown, to be input to the processor analog-to-digital conversion mouth of bidirectional measuring table) of bidirectional measuring table with
Estimate the current value of input.Wherein, port 8 is the output end of amplifier, and 9 ground terminal of port, port 7 is reference voltage input terminal,
Port 10 is feeder ear, and the ends intREF are reference edge.Wherein, the ends A, the ends B separately include, 3 contacts.By the connection of contact,
Adjustment flows into the electric current of current sensor.Such as, 25A, 12A, 8A are flowed into.Current sensor L chooses suitable turn ratio 1:100~
1:250.Its general mechanism, current sampling circuit, including current sensor, it includes the first side and the second sides；Described first
The ends A of side are electrically connected photovoltaic gauge table, and the ends B of the first side are electrically connected power grid, wherein when the first effluent overcurrent, the second side
Internal resistance sampled signal after be transmitted to connection operational amplifier 2 signal input parts, its is defeated after operational amplifier operation
Outlet exports sinusoidal analog voltage signal, and analog voltage signal is transmitted to the processor of the bidirectional measuring table to estimate described the
The current value that side is flowed through.It is adopted in this way using the electric current (only with Hall current sensor) compared with original bidirectional measuring table
Sample circuit improves accuracy and the precision of detection.In the present embodiment, bidirectional measuring table includes processor, to signal
Processing and metering.In the present embodiment, bidirectional measuring table is electric from power grid side draw.
In one embodiment, as shown in figure 4, user can be by distally controlling, specifically such as by being set intelligently
The APP of standby (smart mobile phone) installation carries out control or the on or off of far-end server remote control intelligent control switch, and then will
In household load can energy storage electrical equipment or energy-storage battery access power supply system, to receive the electric energy of photovoltaic plant transmission.This
Sample maximumlly utilizes the electric energy that photovoltaic plant generates.
In one embodiment, monitoring device or bidirectional measuring table also include；Wireless communication module, bluetooth is infrared, zigbee
Mode is connect with intelligent control switch.
In one embodiment, bidirectional measuring table is furnished with storage unit, the information for storing monitoring device detection；Monitoring is set
The standby interface for being also equipped with reading storage unit storage information.Preferably, selecting USB interface, mini USB interfaces, Type-C
Interface etc..As long as waiting the information for reading storage unit storage.
In one embodiment, intelligent control switch can be with wifi module, the intelligent socket of infrared remote control, by this
Wifi module, infrared remote control are connected to monitoring device or bidirectional measuring table, and the control for receiving monitoring device or bidirectional measuring table refers to
It enables.In this way user can with remote control intelligent control switch connect can energy storage electrical equipment or energy-storage battery.
In one embodiment, the current sensing means of the bidirectional measuring table detects that the electric current for flowing to power grid is more than setting threshold
When value (such as 0.1A, 1A regard applicable cases, as long as detection has electric current sometimes), the intelligent control switch connected to it sends out electric current stream
Instruction (signal) to household load, intelligent control switch is according to preset opening program or passes through smart machine (smart mobile phone)
Control the connection of intelligent control switch by household load can energy storage electrical equipment or energy-storage battery access power supply system, to connect
Receive the electric energy of photovoltaic plant transmission.The electric energy maximumlly generated in this way using photovoltaic plant.
In one embodiment, the current sampling circuit of the bidirectional measuring table detects that the electric current for flowing to power grid is more than setting threshold
When value (such as 0.1A, 1A regard applicable cases, as long as detection has electric current sometimes), the intelligent control switch connected to it sends out electric current stream
Instruction (signal) to household load, intelligent control switch is according to preset opening program or passes through smart machine (smart mobile phone)
Control the connection of intelligent control switch by household load can energy storage electrical equipment or energy-storage battery access power supply system, to connect
Receive the electric energy of photovoltaic plant transmission.The electric energy maximumlly generated in this way using photovoltaic plant.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
People be that can understand the content of the utility model and implement according to this, the scope of protection of the utility model can not be limited with this.
It is all according to the spirit of the present invention substantially equivalent transformation that is done or modification, should all cover the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of wired home power supply system includes：
Photovoltaic plant, the photovoltaic plant, including：
Photovoltaic module, inverter, the inverter is electrically connected to the photovoltaic module, by what is received from photovoltaic cell component
Low dc voltage turns AC through DC and is converted into stable sine wave alternating current；
Monitoring device is electrically connected to the inverter, receives and sample the running parameter of the inverter, and by the ginseng of sampling
Number information is transmitted to the server of distal end；
Photovoltaic gauge table is electrically connected to institute's monitoring device, to calculate the electricity of the generation of the photovoltaic plant；
Bidirectional measuring table, including, current sensing means is electrically connected to the photovoltaic gauge table and power grid, described to count
Photovoltaic plant is delivered to the electricity of power grid and the electricity of statistics power grid input；And
Household load is electrically connected to the bidirectional measuring table, to receive the electric energy of photovoltaic plant supply and/or described
The electric energy of power grid supply.
2. wired home power supply system as described in claim 1, it is characterised in that：The domestic power system includes：At least
One intelligent control switch, be electrically connected to can energy storage electricity consumption equipment and/or energy storing devices, trigger the intelligent control switch
With by it is described can energy storage electricity consumption equipment or the intelligent access power supply system of the energy storing devices, receive photovoltaic plant conveying
Electric energy.
3. wired home power supply system as described in claim 1, it is characterised in that：The domestic power system is further wrapped
Contain, at least one intelligent control switch, be electrically connected in household load can energy storage electricity consumption equipment and/or energy storing devices and
The bidirectional measuring table, receive bidirectional measuring table transmission information and control the intelligent control switch by it is described can energy storage use
Denso is standby or the intelligent access power supply system of the energy storing devices, receives the electric energy of the photovoltaic plant conveying.
4. wired home power supply system as claimed in claim 2 or claim 3, it is characterised in that：The wired home power supply system into
One step includes intelligent control switch, is electrically connected to bidirectional measuring table, and the rated current of the intelligent control switch is no more than
32A。
5. wired home power supply system as claimed in claim 4, it is characterised in that：The bidirectional measuring table, including wireless mould
Block is wirelessly connected to intelligent control switch, to transmit the instruction that the bidirectional measuring table is sent out.
6. wired home power supply system as claimed in claim 4, it is characterised in that：The bidirectional measuring table, including electric current is adopted
Sample circuit, is electrically connected to the photovoltaic gauge table and power grid, and the sample circuit detection flows into the electric current of the power grid, will examine
The information of survey feeds back to the intelligent control switch of connection by wireless module.
7. wired home power supply system as claimed in claim 6, it is characterised in that：The current sampling circuit, including electric current
Sensor, it includes the first side and the second sides；The ends A of first side are electrically connected photovoltaic gauge table, and the ends B of the first side are electrical
Connection power grid is transmitted to the operation amplifier of connection wherein when the first effluent overcurrent after the internal resistance sampled signal of the second side
2 signal input parts of device, its output end exports sinusoidal analog voltage signal, the analog voltage after the operational amplifier operation
Signal transmission estimates the current value that first effluent is crossed to the processor of the bidirectional measuring table.
8. wired home power supply system as claimed in claims 6 or 7, it is characterised in that：The sample circuit detection flows into institute
The electric current of power grid is stated, if the electric current of detection exceeds given threshold, the bidirectional measuring table is opened to monitoring device or intelligent control
Pass sends out signal.
9. wired home power supply system as claimed in claim 2, it is characterised in that：The intelligent control switch, including wireless
Module, infrared module are connected to server or smart machine；To according to scheduled program or remote control intelligent control switch
On or off, to connect that it is connected can energy storage electricity consumption equipment access power supply system.
10. wired home power supply system as described in claim 1, it is characterised in that：The system also includes intelligent controls to open
It closes, the intelligent control switch includes wireless module, and the wireless module is connected to the inverter, works as intelligent control switch
Identify can energy storage electricity consumption equipment or energy storing devices when reaching the threshold value of setting, feedback signal to the inverter is described inverse
Become device and responds the signal to drop power generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721866602.0U CN207719819U (en) | 2017-12-27 | 2017-12-27 | A kind of wired home power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721866602.0U CN207719819U (en) | 2017-12-27 | 2017-12-27 | A kind of wired home power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207719819U true CN207719819U (en) | 2018-08-10 |
Family
ID=63050696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721866602.0U Active CN207719819U (en) | 2017-12-27 | 2017-12-27 | A kind of wired home power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207719819U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109905069A (en) * | 2019-03-01 | 2019-06-18 | 莘县三伏天新能源有限责任公司 | Home-use cooperative photovoltaic plant |
| CN113300406A (en) * | 2021-06-28 | 2021-08-24 | 上海电机学院 | Unidirectional distributed grid-connected photovoltaic power generation system and control method thereof |
-
2017
- 2017-12-27 CN CN201721866602.0U patent/CN207719819U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109905069A (en) * | 2019-03-01 | 2019-06-18 | 莘县三伏天新能源有限责任公司 | Home-use cooperative photovoltaic plant |
| CN113300406A (en) * | 2021-06-28 | 2021-08-24 | 上海电机学院 | Unidirectional distributed grid-connected photovoltaic power generation system and control method thereof |
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Effective date of registration: 20240304 Address after: Room 401, Building 1, No. 138 Xinjun Ring Road, Minhang District, Shanghai, 201114 Patentee after: ENWO New Energy Technology (Shanghai) Co.,Ltd. Country or region after: China Address before: 321300, 24th Floor, Jintong Building, Headquarters Center, Yongkang City, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG ENVERTECH Corp.,Ltd. Country or region before: China |
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