CN207782409U - A kind of micro-grid load side Energy Management System based on wireless network - Google Patents
A kind of micro-grid load side Energy Management System based on wireless network Download PDFInfo
- Publication number
- CN207782409U CN207782409U CN201721554538.2U CN201721554538U CN207782409U CN 207782409 U CN207782409 U CN 207782409U CN 201721554538 U CN201721554538 U CN 201721554538U CN 207782409 U CN207782409 U CN 207782409U
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- resistance
- operational amplifier
- load side
- micro
- communication module
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- 238000004891 communication Methods 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 12
- 230000005611 electricity Effects 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The micro-grid load side Energy Management System based on wireless network that the utility model discloses a kind of, including data processing centre, load side control module, wireless communication module and several child node execution modules;Data processing centre passes sequentially through load side control module, wireless communication module is connected to child node execution module;Child node execution module is connected in load supplying circuit;The micro-grid load side Energy Management System based on wireless network can be under load lateral spacing power situation, realize the Reasonable Regulation And Control to load side energy and distribution, in the case where not influencing user's life as far as possible, selectively cut-out is corresponding electrical, further decreases the influence to user under micro-grid load lateral spacing power situation.
Description
Technical field
The utility model is related to power grid technical field of energy management, more particularly to a kind of micro-capacitance sensor based on wireless network is negative
Lotus side Energy Management System.
Background technology
With the development of society, new energy is widely used, but the unstability of new energy, not confirmability,
And the influence that weather is brought will cause generated energy fluctuation apparent, influence the use balance of entire power grid, therefore extensive construction
Generation of electricity by new energy factory is restricted, and in this case, distributed power generation, intelligent micro-grid compensates for disadvantage mentioned above.So-called intelligence
Energy micro-capacitance sensor, i.e., by electricity generation system, energy-storage system loads minor scale power net, the micro-capacitance sensor of composition, and there is high speed to adjust the equilibrium of supply and demand,
The features such as grid-connected, off-network is switched fast;Can only micro-capacitance sensor electricity generation system with wind power generating set, based on photovoltaic generation;Energy storage
System is with battery, based on super capacitor;Load, which is made a living, applies flexibly electrical equipment, equipment of industrial product etc..
Since there are isolated network independent operation modes for micro-capacitance sensor, that is to say, that power supply and load inside micro-capacitance sensor reach one
The state of the equilibrium of supply and demand carries out the adjustment of corresponding means, at present the mainstream in industry in the case that power supply or load have fluctuation
Way is made up by energy storage, and when energy storage can not provide corresponding energy, and mains side is contributed in the case of reducing,
The load of user can only be cut off, reduce micro-capacitance sensor internal load, reach balance again, but violence to load progress
Excision, can influence the power demand of many users, very poor for the experience of client, then how to rationalize to load
Distribution, and arrange, and the excision that can intelligently talk about is certain electrical, the development of micro-grid load side will be brought very far-reaching
Meaning.
Utility model content
The purpose of this utility model is to provide a kind of micro-grid load side Energy Management System based on wireless network.
For this purpose, technical solutions of the utility model are as follows:
A kind of micro-grid load side Energy Management System based on wireless network, including data processing centre, load side control
Molding block, wireless communication module and several child node execution modules;Data processing centre pass sequentially through load side control module,
Wireless communication module is connected to child node execution module;Child node execution module is connected in load supplying circuit;
Wireless communication module includes energy management side wireless communication module and load-side wireless communication module;
Child node execution module includes current sensor, modulate circuit, controller, switch relay;Current sensor will
The data of acquisition are sent to controller after modulate circuit arranges and are packaged, and the data after packing are passed through load by controller
Side wireless communication module is sent to management-side wireless communication module.
Further, the modulate circuit includes sampling resistor, voltage follower and Distoriton compensating circuit;
One termination current sensor of sampling resistor, the positive input of another termination voltage follower, voltage follower
Output terminate Distoriton compensating circuit.
Further, the Distoriton compensating circuit includes resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, electricity
Hinder R7, resistance R8, resistance R9, resistance R10, operational amplifier U2, operational amplifier U3, operational amplifier U4, capacitance C5, capacitance
C6, diode D1, diode D2;The input signal of voltage follower connects the anti-phase input of operational amplifier U2 by resistance R2
End;The in-phase input end of operational amplifier U2 is grounded by resistance R3;Capacitance C5 is connected on the input signal and ground of voltage follower
Between;The anode of diode D1 connects the output end of operational amplifier U2, and the cathode of diode D1 connects the reverse phase of operational amplifier U2
Input terminal;The anode of diode D2 connects the inverting input of operational amplifier U3 by resistance R6.The cathode of diode D2 connects fortune
Calculate the output end of amplifier U2;Resistance R4 mono- terminates the inverting input of operational amplifier U2, and another terminating diode D2 is just
Pole;Resistance R7 is connected between the remote inverting input and output end for calculating amplifier U3;Capacitance C6 is connected in parallel on the both ends of resistance R7;Fortune
The in-phase input end for calculating amplifier U3 is grounded by resistance R8;The output end of operational amplifier U3 connects operation amplifier by resistance R9
The in-phase input end of device U4;Resistance R10 be connected on the in-phase input end of operational amplifier U4 and operational amplifier U4 output end it
Between.
Further, the controller is ARM controller.
Compared with prior art, being somebody's turn to do the micro-grid load side Energy Management System based on wireless network can be in load lateral spacing
Under power situation processed, the Reasonable Regulation And Control to load-side energy and distribution are realized, in the case where not influencing user's life as far as possible,
Selectively cut-out is corresponding electrical, further decreases the influence to user under micro-grid load lateral spacing power situation.
Description of the drawings
Fig. 1 is the structural representation of the micro-grid load side Energy Management System provided by the utility model based on wireless network
Figure.
Fig. 2 is the structural schematic diagram of child node execution module.
Fig. 3 is the circuit diagram of modulate circuit.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is described further the utility model, but following embodiments are right absolutely not
The utility model has any restrictions.
As shown in Figures 1 to 3, the micro-grid load side Energy Management System based on wireless network, including Data processing are somebody's turn to do
The heart, load side control module, wireless communication module and several child node execution modules;Data processing centre passes sequentially through load
Side control module, wireless communication module are connected to child node execution module;Child node execution module is connected on load supplying circuit
It is interior;
Wireless communication module includes energy management side wireless communication module and load-side wireless communication module;
Child node execution module includes current sensor, modulate circuit, controller, switch relay;Current sensor will
The data of acquisition are sent to controller after modulate circuit arranges and are packaged, and the data after packing are passed through load by controller
Side wireless communication module is sent to management-side wireless communication module.
The modulate circuit includes sampling resistor, voltage follower and Distoriton compensating circuit;
One termination current sensor of sampling resistor, the positive input of another termination voltage follower, voltage follower
Output terminate Distoriton compensating circuit.
The Distoriton compensating circuit includes resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance
R8, resistance R9, resistance R10, operational amplifier U2, operational amplifier U3, operational amplifier U4, capacitance C5, capacitance C6, diode
D1, diode D2;The input signal of voltage follower connects the inverting input of operational amplifier U2 by resistance R2;Operation amplifier
The in-phase input end of device U2 is grounded by resistance R3;Capacitance C5 is connected between the input signal of voltage follower and ground;Diode
The anode of D1 connects the output end of operational amplifier U2, and the cathode of diode D1 connects the inverting input of operational amplifier U2;Two poles
The anode of pipe D2 connects the inverting input of operational amplifier U3 by resistance R6.The cathode of diode D2 connects operational amplifier U2's
Output end;Resistance R4 mono- terminates the inverting input of operational amplifier U2, the anode of another terminating diode D2;Resistance R7 is connected on
Between the remote inverting input and output end for calculating amplifier U3;Capacitance C6 is connected in parallel on the both ends of resistance R7;Operational amplifier U3's
In-phase input end is grounded by resistance R8;The output end of operational amplifier U3 connects the same mutually defeated of operational amplifier U4 by resistance R9
Enter end;Resistance R10 is connected between the in-phase input end of operational amplifier U4 and the output end of operational amplifier U4.
The controller is ARM controller.
The course of work of micro-grid load side Energy Management System provided by the utility model based on wireless network is as follows:
Current sensor in child node execution module acquires current signal in load equipment circuit, the electricity of acquisition in real time
Stream signal is converted into voltage signal after sampling resistor, and modulate circuit improves the voltage signal, and simultaneously to distortion
Signal compensates, and obtains stable voltage signal, and controller is sent to after A/D is converted and carries out data compression packing, control
Device will compress packed data and be sent to energy management side wireless communication module by load-side wireless communication module, can source capsule
Reason side wireless communication module will compress packed data and is sent to data processing centre's progress by load side control module again
Analyzing processing, if whether data processing centre's judgement load-side power is more than rated power, if it is determined that result is "Yes", then load
Module sends out the control instruction for disconnecting a certain load circuit to side control module by radio communication according to a pre-set procedure, should
After child node execution module in load circuit receives the instruction of load side control module transmission, the switch being attached thereto is controlled
Relay disconnects, and to disconnect the load circuit, the power of proof load side is in setting range.
Claims (4)
1. a kind of micro-grid load side Energy Management System based on wireless network, which is characterized in that including data processing centre,
Load side control module, wireless communication module and several child node execution modules;Data processing centre passes sequentially through load side
Control module, wireless communication module are connected to child node execution module;Child node execution module is connected in load supplying circuit;
Wireless communication module includes energy management side wireless communication module and load-side wireless communication module;
Child node execution module includes current sensor, modulate circuit, controller, switch relay;Current sensor will acquire
Data be sent to controller after modulate circuit arranges and be packaged, controller by the data after packing by load-side without
Line communication module is sent to management-side wireless communication module.
2. the micro-grid load side Energy Management System according to claim 1 based on wireless network, which is characterized in that institute
The modulate circuit stated includes sampling resistor, voltage follower and Distoriton compensating circuit;
Sampling resistor one termination current sensor, it is another termination voltage follower positive input, voltage follower it is defeated
Go out to terminate Distoriton compensating circuit.
3. the micro-grid load side Energy Management System according to claim 2 based on wireless network, which is characterized in that institute
The Distoriton compensating circuit stated include resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9,
Resistance R10, operational amplifier U2, operational amplifier U3, operational amplifier U4, capacitance C5, capacitance C6, diode D1, diode
D2;The input signal of voltage follower connects the inverting input of operational amplifier U2 by resistance R2;Operational amplifier U2's is same
Phase input terminal is grounded by resistance R3;Capacitance C5 is connected between the input signal of voltage follower and ground;The anode of diode D1
The output end of operational amplifier U2 is connect, the cathode of diode D1 connects the inverting input of operational amplifier U2;Diode D2 is just
Pole connects the inverting input of operational amplifier U3 by resistance R6;The cathode of diode D2 connects the output end of operational amplifier U2;
Resistance R4 mono- terminates the inverting input of operational amplifier U2, the anode of another terminating diode D2;Resistance R7, which is connected on, far to be put
Between the inverting input and output end of big device U3;Capacitance C6 is connected in parallel on the both ends of resistance R7;Operational amplifier U3's is same mutually defeated
Enter end to be grounded by resistance R8;The output end of operational amplifier U3 connects the in-phase input end of operational amplifier U4 by resistance R9;
Resistance R10 is connected between the in-phase input end of operational amplifier U4 and the output end of operational amplifier U4.
4. the micro-grid load side Energy Management System according to claim 3 based on wireless network, which is characterized in that institute
The controller stated is ARM controller.
Priority Applications (1)
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CN201721554538.2U CN207782409U (en) | 2017-11-20 | 2017-11-20 | A kind of micro-grid load side Energy Management System based on wireless network |
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CN201721554538.2U CN207782409U (en) | 2017-11-20 | 2017-11-20 | A kind of micro-grid load side Energy Management System based on wireless network |
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CN207782409U true CN207782409U (en) | 2018-08-28 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107732908A (en) * | 2017-11-20 | 2018-02-23 | 天津瑞能电气有限公司 | A kind of micro-grid load side EMS based on wireless network |
-
2017
- 2017-11-20 CN CN201721554538.2U patent/CN207782409U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107732908A (en) * | 2017-11-20 | 2018-02-23 | 天津瑞能电气有限公司 | A kind of micro-grid load side EMS based on wireless network |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 |