CN207732428U - A kind of distributed energy sale of electricity control device - Google Patents
A kind of distributed energy sale of electricity control device Download PDFInfo
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- CN207732428U CN207732428U CN201820009891.0U CN201820009891U CN207732428U CN 207732428 U CN207732428 U CN 207732428U CN 201820009891 U CN201820009891 U CN 201820009891U CN 207732428 U CN207732428 U CN 207732428U
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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
- 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
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Abstract
The utility model discloses a kind of distributed energy sale of electricity control devices, it is characterized in that, including control chip, several groups control output node, communication interface network, the control chip carries out communication and connect with several groups control output node, communication interface network respectively, several groups control output node is respectively connected to grid-connected circuit, oneself load circuit, next door load circuit, and the communication interface network is used for setting up data acquisition network.The utility model realizes distributed photovoltaic system being transported in " partition wall sale of electricity " transaction and sells integration and provide hardware support, and the utility model has many advantages, such as that reliability is high, autgmentability is strong, networking flexibility, maintenance are simple, cost-effective.
Description
Technical field
The utility model is related to a kind of distributed energy sale of electricity control devices, belong to distributed new generation technology neck
Domain.
Background technology
As a kind of clean energy resource, generation of electricity by new energy has all been labeled with always the labels such as " unstable ", " subsidy is supported ", phase
For traditional energies such as thermoelectricity, water power, generation of electricity by new energy seems that there is no apparent advantages.But " partition wall sale of electricity " pattern it
Under, the advantage of generation of electricity by new energy has but obtained great embodiment.Because for the traditional energies such as thermoelectricity, water power, scale reaches
It just can guarantee cost advantage to a certain extent, as soon as so thermal power station and power station in region are often limited, this makes
The conveying that industry and commerce electricity consumption generally requires long range is obtained, excessively high power transmission and distribution cost is caused.It is small but for photovoltaic generation
Scale distribution formula photovoltaic is exactly its feature, and under " partition wall sale of electricity " pattern, photovoltaic generation not only can nearby look forward to industry and commerce
Industry is powered, and can reduce power transmission and distribution cost.So, limited for itself Roof Resources, itself can not be completely covered
For the enterprises such as the big industry of power consumption, industry and commerce, electricity less expensive than usual can be used by " partition wall sale of electricity "；For
Family can also be realized higher income by " partition wall sale of electricity ", be really achieved two-win with for photovoltaic owner！
Utility model content
Technical problem to be solved in the utility model is to provide a kind of distributed energy under " partition wall sale of electricity " pattern and sell
Controller for electric consumption, the control device can acquire：Photovoltaic DC-to-AC converter side institute generated energy, oneself load-side electricity consumption input neighbours
Side electric quantity metering is sold the section breaker of electricity for neighbours, while can also be realized by the reserved port RS485, GPRS long-range
Meter reading is conducive to the operation and maintenance of distributed photovoltaic system.
The utility model adopts the following technical solution：A kind of distributed energy sale of electricity control device, which is characterized in that including
Chip, several groups control output node, communication interface network are controlled, the control chip controls with the several groups export respectively
Node, communication interface network carry out communication connection, the several groups control output node be respectively connected to grid-connected circuit, oneself
Load circuit, next door load circuit, the communication interface network are used for setting up data acquisition network.
As a kind of preferred embodiment, the several groups control output node includes：The groups of ends 1L1 and the ends 1L2, at
The ends 2L1 and the ends 2L2, the groups of ends 3L1 and the ends 3L2, the ends 1L1 and the ends 1L2 of control device of group are connected on grid-connected circuit
In, the ends 2L1 and the ends 2L2 of the control device are connected in oneself load circuit, the ends 3L1 of control device and the series connection of the ends 3L2
In next door load circuit.
As a kind of preferred embodiment, the ends 1L1 and the ends 1L2 of control device acquire the hair of the grid-connected circuit side
Electricity, electric current, voltage, active power, reactive power, power factor and frequency.
As a kind of preferred embodiment, the ends 2L1 and the ends 2L2 of control device acquire the electricity consumption of oneself load circuit side
Amount, electric current, voltage, active power, reactive power, power factor and frequency.
As a kind of preferred embodiment, the voltameter at the ends 3L1 of control device and the ends 3L2 acquisition next door load circuit side
Amount, electric current, voltage, reactive power, power factor and frequency.
As a kind of preferred embodiment, the first meter is provided between the ends 1L1 and the ends 1L2 and control chip of control device
Amount control switch, is measured and is controlled for the data to grid-connected circuit；The ends 2L1 and the ends 2L2 of control device and institute
It states and is provided with the second measure control switch between controlling chip, measure and control for the data to oneself load circuit.
As a kind of preferred embodiment, third meter is provided between the ends 3L1 and the ends 3L2 and control chip of control device
Amount control switch, the data for counter septum load circuit are measured and are controlled.
As a kind of preferred embodiment, control device is suitable for single-phase 220V and three-phase 380V distributed news；Control
Device processed is suitable for the energy-storage system of family and workshop.
As a kind of preferred embodiment, communication interface network includes MODBUS communication interfaces, GPRS wireless data communications
Interface, MODBUS communication interfaces, GPRS wireless data communications interface are connect with control chip communication respectively, MODBUS communication interfaces
Including communication interface 1A, communication interface 1B.
As a kind of preferred embodiment, control chip be with several groups output node and communication interface Network integration
One block of control plate.
The advantageous effect that the utility model is reached：First, the utility model is realized for remaining electricity online of generating power for their own use
Distributed photovoltaic power generation project for, do not have to worry roof enterprise use electrical stability and settlement capability, can independently select by
Remaining electric power is sold to the power consumer that electricity price height, electricity consumption are stablized in region, for the distributed photovoltaic power generation fully surfed the Internet
For project, earning rate can be greatly improved by finding the high user of electricity price；Second, the control device of the utility model can be real-time
Photovoltaic DC-to-AC converter, oneself load-side, the electricity consumption of neighbours side, electric current, voltage, power factor, frequency etc. are acquired, according to acquisition number
According to household electricity situation, reasonably optimizing household electricity can be analyzed；Third, the utility model is by MODBUS and without line number
The operation and maintenance that remote meter reading may be implemented according to transfer function, be conducive to distributed photovoltaic system；4th, the control of the utility model
Device processed can have accessed circuit inverse-time overcurrent protection and short-circuit fast tripping protection function.
Description of the drawings
Fig. 1 is the circuit theory schematic diagram of the utility model.
Fig. 2 is the power generation-electrical schematic that the inverter of the utility model acquisition is loaded with oneself.
Fig. 3 is the topological diagram that one of the utility model applies that embodiment connects in distributed new.
The meaning marked in figure：1- controls chip, and the grid-connected circuits 2-, oneself load circuits of 3-, the next doors 4- load back
Road, 5-MODBUS communication interfaces, 6-GPRS wireless data communication interfaces, the first measure controls of 7- switch, the second measure controls of 8-
Switch, 9- third measure controls switch, 10- photovoltaic arrays, 11- inverters, controllers of the 12- with multiple metering, the next doors 13- are adjacent
It occupies, oneself houses of 14-, 15- power supply bureaus gauge table, 16- utility networks.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating this
The technical solution of utility model, and the scope of protection of the utility model cannot be limited with this.
Fig. 1 is the circuit theory schematic diagram of the utility model.The utility model proposes a kind of distributed energy sale of electricity controls
Device, including control chip 1, several groups control output node, MODBUS communication interfaces 5, GPRS wireless data communications interface 6,
It is wireless with several groups control output node, MODBUS communication interfaces 5 and GPRS respectively by RS485 communication buses to control chip 1
The communication connection of data communication interface 6, several groups control output node be respectively connected to grid-connected circuit 2, oneself load circuit 3,
Next door load circuit 4, MODBUS communication interfaces 5 are used for setting up data acquisition network, GPRS with GPRS wireless data communications interface 6
Wireless data communication interface 6 can be used for remote meter reading.
As a kind of preferred embodiment, several groups control output node includes：The groups of ends 1L1 and the ends 1L2, it is groups of
The ends 2L1 and the ends 2L2, the groups of ends 3L1 and the ends 3L2, the ends 1L1 and the ends 1L2 of control device are connected in grid-connected circuit 2,
The ends 2L1 and the ends 2L2 of control device are connected in oneself load circuit 3, the ends 3L1 of control device and the ends 3L2 series connection next door
In load circuit 4.
As a kind of preferred embodiment, the ends 1L1 and the ends 1L2 of control device acquire the power generation of 2 side of grid-connected circuit
Amount, electric current, voltage, active power, reactive power, power factor and frequency.
As a kind of preferred embodiment, the ends 2L1 and the ends 2L2 of control device acquire the electricity consumption of oneself 3 side of load circuit
Amount, electric current, voltage, active power, reactive power, power factor and frequency.
As a kind of preferred embodiment, the electricity at the ends 3L1 of control device and the ends 3L2 4 side of acquisition next door load circuit
Metering, electric current, voltage, reactive power, power factor and frequency.
As a kind of preferred embodiment, control device can control the mathematical logic of output node acquisition according to several groups
Judgement is as a result, control neighbours sell the section breaker i.e. combined floodgate of third measure control switch 9, the separating brake of electricity.
As a kind of preferred embodiment, there is control device grid-connected circuit, oneself load circuit, next door to load back
Road inverse-time overcurrent protection and short-circuit fast tripping protection function.
As a kind of preferred embodiment, first is provided between the ends 1L1 and the ends 1L2 and control chip 1 of control device
Measure control switch 7 is measured and is controlled for the data to grid-connected circuit 2.
As a kind of preferred embodiment, second is provided between the ends 2L1 and the ends 2L2 and control chip 1 of control device
Measure control switch 8 is measured and is controlled for the data to oneself load circuit 3.
As a kind of preferred embodiment, third is provided between the ends 3L1 and the ends 3L2 and control chip 1 of control device
Measure control switch 9, the data for counter septum load circuit 4 are measured and are controlled.
As a kind of preferred embodiment, control device is suitable for single-phase 220V and three-phase 380V distributed news
" partition wall sale of electricity "；Control device is suitable for the energy-storage system of family and workshop.
As a kind of preferred embodiment, MODBUS communication interfaces 5 include communication interface 1A, communication interface 1B.
As a kind of preferred embodiment, control chip 1 and several groups output node and MODBUS communication interfaces 5 with
GPRS wireless data communications interface 6 is integrated into one block of control plate.
Fig. 2 is the power generation-electrical schematic that the inverter of the utility model acquisition is loaded with oneself.
It closes a floodgate；
In other words, when power generation curve continues then to sell more than 5 minutes above brown curve and supply electricity to neighbour's, and worked as blue
Curve continued below electricity consumption curve more than 5 minutes, then stopped selling supplying electricity to neighbour's.
Note：5 minutes duration and compares threshold value 0 and can be manually set as needed.
Fig. 3 is the topological diagram that one of the utility model applies that embodiment connects in distributed new.1) several pieces
Access string type inverter 11 (or every piece of photovoltaic array 10 is connected with Miniature inverter 11) after photovoltaic array 10 is connected；If 2)
Dry control device be combined into the controller 12 with multiple metering acquire in real time grid-connected circuit 2, oneself house 14 oneself is negative
The next door load circuit 4 of the data, next-door neighbor 13 that carry circuit 3 includes electricity, electric current, voltage, frequency etc.；3) control device will
The mathematical logic of acquisition determines whether " partition wall sells electricity "；4) remaining electricity of generating power for their own use " partition wall sells electricity " or can pass through power supply
Office's gauge table 15 is sold to national grid 16.
The principles of the present invention are as follows：By detect inverter 11 side generated energy and oneself load-side electricity consumption (or
Person directly passes through and net side gauge table generated energy) be made to determine whether to sell and supply electricity to next-door neighbor, if sell supply electricity to next-door neighbor if close
Lock connects next-door neighbor side section breaker, that is, third measure control switch 9, if do not meet sell electric condition if cut off and connect neighbours side
Section breaker, that is, third measure control switch 9.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
The scope of protection of the utility model is also should be regarded as into deformation.
Claims (10)
1. a kind of distributed energy sale of electricity control device, which is characterized in that including controlling chip（1）, several groups control output section
Point, communication interface network, the control chip（1）It is carried out respectively with several groups control output node, communication interface network
Communication connection, the several groups control output node are respectively connected to grid-connected circuit（2）, oneself load circuit（3）, next door it is negative
Carry circuit（4）, the communication interface network be used for set up data acquisition network.
2. a kind of distributed energy sale of electricity control device according to claim 1, which is characterized in that the several groups control
Output node includes：The groups of ends 1L1 and the ends 1L2, the groups of ends 2L1 and the ends 2L2, the groups of ends 3L1 and the ends 3L2, the control
The ends 1L1 and the ends 1L2 of device processed are connected on the grid-connected circuit（2）In, the ends 2L1 of the control device and the ends 2L2 string
It is associated in oneself load circuit（3）In, the ends 3L1 and the ends 3L2 of the control device are connected on the next door load circuit（4）In.
3. a kind of distributed energy sale of electricity control device according to claim 2, which is characterized in that the control device
The ends 1L1 and the ends 1L2 acquire the grid-connected circuit（2）Generated energy, electric current, voltage, active power, reactive power, the work(of side
Rate factor and frequency.
4. a kind of distributed energy sale of electricity control device according to claim 2, which is characterized in that the control device
The ends 2L1 and the ends 2L2 acquisition oneself load circuit（3）Electricity consumption, electric current, voltage, active power, reactive power, the work(of side
Rate factor and frequency.
5. a kind of distributed energy sale of electricity control device according to claim 2, which is characterized in that the control device
The ends 3L1 and the ends 3L2 acquire the next door load circuit（4）The electric quantity metering of side, electric current, voltage, reactive power, power factor with
And frequency.
6. a kind of distributed energy sale of electricity control device according to claim 2, which is characterized in that the control device
The ends 1L1 and the ends 1L2 and the control chip（1）Between be provided with the first measure control switch（7）, it is used for described grid-connected
Circuit（2）Data measured and controlled；The ends 2L1 and the ends 2L2 of the control device and the control chip（1）Between set
It is equipped with the second measure control switch（8）, it is used for oneself load circuit（3）Data measured and controlled.
7. a kind of distributed energy sale of electricity control device according to claim 2, which is characterized in that the control device
The ends 3L1 and the ends 3L2 and the control chip（1）Between be provided with third measure control switch（9）, it is used for loading the next door
Circuit（4）Data measured and controlled.
8. a kind of distributed energy sale of electricity control device according to claim 1, which is characterized in that the control device is suitable
For single-phase 220V and three-phase 380V distributed news；The control device is suitable for the energy-storage system of family and workshop.
9. a kind of distributed energy sale of electricity control device according to claim 1, which is characterized in that the communication interface net
Network includes MODBUS communication interfaces（5）, GPRS wireless data communication interfaces（6）, the MODBUS communication interfaces（5）, it is described
GPRS wireless data communication interfaces（6）Respectively with the control chip（1）Communication connection, the MODBUS communication interfaces（5）Packet
Include communication interface 1A, communication interface 1B.
10. a kind of distributed energy sale of electricity control device according to claim 1, which is characterized in that the control core
Piece（1）It is one block of control plate with the several groups output node and the communication interface Network integration.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009891.0U CN207732428U (en) | 2018-01-04 | 2018-01-04 | A kind of distributed energy sale of electricity control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820009891.0U CN207732428U (en) | 2018-01-04 | 2018-01-04 | A kind of distributed energy sale of electricity control device |
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| Publication Number | Publication Date |
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| CN207732428U true CN207732428U (en) | 2018-08-14 |
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| CN201820009891.0U Active CN207732428U (en) | 2018-01-04 | 2018-01-04 | A kind of distributed energy sale of electricity control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134386A (en) * | 2018-01-04 | 2018-06-08 | 江苏绿国新能源科技有限公司 | A kind of distributed energy sale of electricity control device |
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2018
- 2018-01-04 CN CN201820009891.0U patent/CN207732428U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134386A (en) * | 2018-01-04 | 2018-06-08 | 江苏绿国新能源科技有限公司 | A kind of distributed energy sale of electricity control device |
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