CN112415963A - Building-level energy control method, control device and system and processor - Google Patents
Building-level energy control method, control device and system and processor Download PDFInfo
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- CN112415963A CN112415963A CN202011272839.2A CN202011272839A CN112415963A CN 112415963 A CN112415963 A CN 112415963A CN 202011272839 A CN202011272839 A CN 202011272839A CN 112415963 A CN112415963 A CN 112415963A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/41855—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication by local area network [LAN], network structure
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2639—Energy management, use maximum of cheap power, keep peak load low
Abstract
The invention relates to a building-level energy control method, a control device, a system and a processor, wherein the building-level energy control method comprises the following steps: acquiring an instruction sent by a user; when the instruction is to enter a power limiting mode, determining the available power of each floor according to the historical electricity utilization data of each floor in the building; acquiring the actual power consumption of each floor at specific time intervals; and adjusting the available power of each floor according to the magnitude relation between the actual power and the available power of the floor. According to the invention, the energy utilization rate is improved by limiting the power utilization rate and reasonably proportioning the power of each floor, the available power of each floor can be dynamically adjusted according to the actual power utilization rate of each floor, the overload of the power grid at the peak of power utilization is avoided to a great extent, and the safe and efficient operation of the power grid is favorably maintained.
Description
Technical Field
The invention relates to the technical field of energy control, in particular to a building-level energy control method, a control device, a system and a processor.
Background
With the continuous understanding of people on environmental protection, clean energy is widely known, the concept of green buildings is accepted by more and more people, and the concept of a microgrid system is developed, but no effective method is provided for the microgrid system in building-level electricity utilization treatment at the present stage, a power grid is in a severe load condition during electricity utilization peak, the utilization rate of the energy is not high, and the advantages of the microgrid system are not brought into full play.
Disclosure of Invention
In view of the above, the present invention provides a method and an apparatus for controlling energy of a building-level microgrid system, and a processor, to overcome the disadvantages of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a building-level energy control method, comprising:
acquiring an instruction sent by a user;
when the instruction is to enter a power limiting mode, determining the available power of each floor according to the historical electricity utilization data of each floor in the building;
acquiring the actual power consumption of each floor at specific time intervals;
and adjusting the available power of each floor according to the magnitude relation between the actual power and the available power of the floor.
Optionally, the determining available power of each floor according to historical electricity consumption data of each floor in the building includes:
inquiring yesterday power consumption of each floor and calculating total power consumption of the building;
determining a total power provided by a power supply system, the power supply system comprising: photovoltaic systems and grid systems;
and determining the available power of each floor by multiplying the ratio of yesterday power consumption of each floor to total power consumption by the total power provided by the power supply system.
Optionally, the adjusting the available power of each floor according to the magnitude relationship between the actual power consumption and the available power of the floor includes:
if the actual power consumption is smaller than the available power of the floor, further inquiring the electric quantity condition of the energy storage system of the floor;
if the energy storage system is fully charged, adjusting the available power of the floor to be actual power utilization power, and distributing the difference power between the available power of the floor and the actual power utilization power to other floors; otherwise, charging the energy storage system of the floor by the difference power between the available power and the actual power;
and if the actual electric power is larger than the available power of the floor, keeping the available power of the floor unchanged, and starting the energy storage system of the floor.
Optionally, the allocating the difference power between the available power of the floor and the actual power consumption to other floors includes:
acquiring the electric quantity of the energy storage systems of other floors;
determining a floor corresponding to the energy storage system with the minimum electric quantity;
and averagely distributing the difference power to the floor corresponding to the energy storage system with the minimum electric quantity.
Optionally, after the actual power consumption is greater than the available power of the floor and the energy storage system of the floor is started, the method further includes:
inquiring the electric quantity of the energy storage system of the floor at specific time intervals;
and when the electric quantity of the energy storage system of the floor is lower than the preset electric quantity, stopping energy storage and power supply, and exiting the limited power mode at the floor to run with actual power utilization.
Optionally, the method further includes:
when the power of all each floor within the building is greater than a certain power, the power limited mode is exited.
Optionally, the specific power is determined by the following process:
acquiring the maximum value of the daily power of each floor in the past week of the building;
and calculating the average value of the maximum power values of each floor per day in the past week, and determining the average value as the specific power.
The invention also provides a building-level energy control device, comprising:
the first acquisition module is used for acquiring an instruction sent by a user;
the determining module is used for determining the available power of each floor according to the historical electricity utilization data of each floor in the building when the instruction is to enter the power limiting mode;
the second acquisition module is used for acquiring the actual power consumption of each floor at specific time intervals;
and the adjusting module is used for adjusting the available power of each floor according to the size relation between the actual power and the available power of the floor.
The invention also provides a building-level energy system, comprising:
building level energy control devices, power supply systems, servers and displays as previously described, and a plurality of energy storage systems; each energy storage system corresponds to one floor;
the power supply system includes: photovoltaic systems and grid systems.
The invention also provides a processor for performing the building level energy control method of any one of the preceding claims.
By adopting the technical scheme, the building-level energy control method comprises the following steps: acquiring an instruction sent by a user; when the instruction is to enter a power limiting mode, determining the available power of each floor according to the historical electricity utilization data of each floor in the building; acquiring the actual power consumption of each floor at specific time intervals; and adjusting the available power of each floor according to the magnitude relation between the actual power and the available power of the floor. According to the invention, the energy utilization rate is improved by limiting the power utilization rate and reasonably proportioning the power of each floor, the available power of each floor can be dynamically adjusted according to the actual power utilization rate of each floor, the overload of the power grid during the power utilization peak is avoided, and the safe and efficient operation of the power grid is favorably maintained.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a building-level energy control method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a building-level energy control method according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a building level energy control apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a building-level energy system according to an embodiment of the present invention.
In the figure: 1. a building-level energy control device; 101. a first acquisition module; 102. a determination module; 103. a second acquisition module; 104. an adjustment module; 2. a server; 3. a display; 4. a master digital controller; 5. a grid system; 6. a photovoltaic system; 7. a first digital controller; 8. a second digital controller; 9. a third digital controller; 10. a first energy storage system; 11. a second energy storage system; 12. a third energy storage system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Fig. 1 is a schematic flow chart of a building-level energy control method according to an embodiment of the present invention.
As shown in fig. 1, the building-level energy control method according to this embodiment includes:
s101: acquiring an instruction sent by a user;
further, the instruction sent by the user may be acquired through a display screen.
S102: when the instruction is to enter a power limiting mode, determining the available power of each floor according to the historical electricity utilization data of each floor in the building;
further, the determining the available power of each floor according to the historical electricity utilization data of each floor in the building includes:
inquiring yesterday power consumption of each floor and calculating total power consumption of the building;
determining a total power provided by a power supply system, the power supply system comprising: photovoltaic systems and grid systems;
and determining the available power of each floor by multiplying the ratio of yesterday power consumption of each floor to total power consumption by the total power provided by the power supply system.
S103: acquiring the actual power consumption of each floor at specific time intervals;
s104: and adjusting the available power of each floor according to the magnitude relation between the actual power and the available power of the floor.
Further, the adjusting the available power of each floor according to the magnitude relationship between the actual power consumption and the available power of the floor includes:
if the actual power consumption is smaller than the available power of the floor, further inquiring the electric quantity condition of the energy storage system of the floor;
if the energy storage system is fully charged, adjusting the available power of the floor to be actual power utilization power, and distributing the difference power between the available power of the floor and the actual power utilization power to other floors; otherwise, charging the energy storage system of the floor by the difference power between the available power and the actual power;
and if the actual electric power is larger than the available power of the floor, keeping the available power of the floor unchanged, and starting the energy storage system of the floor.
In practical use, the method has another implementation manner, as shown in fig. 2, the building-level energy control method according to this embodiment includes:
s201: acquiring an instruction sent by a user;
further, the instruction sent by the user may be acquired through a display screen.
S202: when the instruction is to enter a power limiting mode, determining the available power of each floor according to the historical electricity utilization data of each floor in the building;
further, the determining the available power of each floor according to the historical electricity utilization data of each floor in the building includes:
inquiring yesterday power consumption of each floor and calculating total power consumption of the building;
determining a total power provided by a power supply system, the power supply system comprising: photovoltaic systems and grid systems;
and determining the available power of each floor by multiplying the ratio of yesterday power consumption of each floor to total power consumption by the total power provided by the power supply system.
S203: acquiring the actual electric power consumption of each floor at specific time intervals (for example, 30 minutes);
s204: judging the magnitude relation between the actual power consumption and the available power of the floor;
s205: if the actual power consumption is smaller than the available power of the floor, further inquiring the electric quantity condition of the energy storage system of the floor, and judging whether the electric quantity of the energy storage system of the floor is full; executing S206-S207;
s206: if the energy storage system is fully charged, adjusting the available power of the floor to be actual power utilization power, and distributing the difference power between the available power of the floor and the actual power utilization power to other floors;
s207: otherwise, charging the energy storage system of the floor by the difference power between the available power and the actual power;
s208: if the actual electric power is larger than the available power of the floor, keeping the available power of the floor unchanged, and starting an energy storage system of the floor; executing S209-S210;
s209: inquiring the electric quantity of the energy storage system of the floor at specific time intervals (for example, 5 minutes);
s210: and when the electric quantity of the energy storage system of the floor is lower than the preset electric quantity, stopping energy storage and power supply, and exiting the limited power mode at the floor to run with actual power utilization.
Further, the step of distributing the difference power between the available power of the floor and the actual power consumption to other floors includes:
acquiring the electric quantity of the energy storage systems of other floors;
determining a floor corresponding to the energy storage system with the minimum electric quantity;
and averagely distributing the difference power to the floor corresponding to the energy storage system with the minimum electric quantity.
Further, the method further comprises:
when the power of all each floor within the building is greater than a certain power, the power limited mode is exited.
Specifically, the specific power is determined by the following process:
acquiring the maximum value of the daily power of each floor in the past week of the building;
and calculating the average value of the maximum power values of each floor per day in the past week, and determining the average value as the specific power.
The method can optimize the available power ratio of each floor, and the method also realizes the optimized distribution of the power provided by each floor through energy storage; according to the invention, the energy utilization rate is improved by limiting the power utilization rate and reasonably proportioning the power of each floor, the available power of each floor can be dynamically adjusted according to the actual power utilization rate of each floor, the overload of the power grid at the peak of power utilization is avoided to a great extent, and the safe and efficient operation of the power grid is favorably maintained.
Fig. 3 is a schematic structural diagram of a building-level energy control device according to an embodiment of the invention.
As shown in fig. 3, the building-level energy control apparatus according to this embodiment includes:
a first obtaining module 101, configured to obtain an instruction sent by a user;
the determining module 102 is configured to determine available power of each floor according to historical electricity consumption data of each floor in the building when the instruction is to enter the limited power mode;
the second obtaining module 103 is configured to obtain actual power consumption of each floor at specific time intervals;
and the adjusting module 104 is configured to adjust the available power of each floor according to a size relationship between the actual power consumption and the available power of the floor.
For the working principle of the building-level energy control device in this embodiment, please refer to the above description of the building-level energy control method, which is not repeated herein.
This embodiment has improved energy utilization through the restriction to power consumption and to the reasonable power ratio of each floor power consumption, and according to the actual power consumption of each floor can the dynamic adjustment the available power of this floor, to a great extent has avoided the electric wire netting to take place to overload when the power consumption peak, is favorable to keeping electric wire netting safe high-efficient operation.
Fig. 4 is a schematic structural diagram of a building-level energy system according to an embodiment of the present invention.
As shown in fig. 4, the building-level energy system according to this embodiment includes:
a building level energy control device 1, a power supply system, a server 2 and a display 3 as described in fig. 3, and a plurality of energy storage systems; each energy storage system corresponds to one floor;
the power supply system includes: a photovoltaic system 6 and a grid system 5.
The building-level energy control device 1 can be realized by adopting a universal digital controller, the universal digital controller supports modbus, can and tcp/ip communication, can collect power utilization data information of each energy storage system, and can control the operation of equipment of a photovoltaic system 6 and a power grid system 5 and the like.
In practical use, an energy system may include a plurality of the general digital controllers, as shown in fig. 4, including a general digital controller 4, and digital controllers (a first digital controller 7, a second digital controller 8, a third digital controller 9, etc.) corresponding to each floor, and accordingly, the energy storage system includes: a first energy storage system 10, a second energy storage system 11, a third energy storage system 12, and the like; the general digital controller 4 is respectively connected with the photovoltaic system 6, the power grid system 5 and the server 2, the general digital controller 4 establishes data interaction with the digital controller corresponding to each floor through the server 2, and a user can interact with the energy system through the display 3.
In this embodiment, a microgrid system is installed in a default building, and an energy storage system is configured on each floor, and the working principle of the building-level energy system described in this embodiment is as follows:
the user sets to enter the limited power mode through the display 3;
the display 3 sends an instruction to the server 2 to obtain the maximum value of the daily power of each floor of the building in the past week, and the average value is calculated to be used as the maximum power P1 provided by the power grid on the same day;
the display 3 sends an inquiry instruction to the server 2, inquires the yesterday power consumption of each floor, and takes the product of the ratio of the yesterday power consumption of each floor to the total power consumption and the total power provided by the power supply system (namely the power provided by the power grid system 5 and the power generation power of the photovoltaic system 6) as the maximum available power value Pfn (n represents the floor) of each floor;
inquiring the actual electric power P2 of each floor every half hour;
judging the values of P2 and Pfn;
if the P2 is smaller than Pfn, inquiring the electric quantity condition of the energy storage system of the floor, and if the energy storage system is not fully charged, charging the energy storage system corresponding to the floor by the power of Pf-P2; if the stored energy is fully charged, the available power of the floor is adjusted to be the actual power P2, and the power of Pf-P2 is distributed to the minimum floor according to the size of the stored energy SOC; and if the energy storage SOC of other floors is equal, the energy storage SOC of other floors is distributed to each floor.
If P2 is larger than Pfn, starting the energy storage system of the floor to supply power, inquiring about the SOC condition of the energy storage after the energy storage and power supply are started every 5 minutes, stopping the energy storage and power supply when the electric quantity of the energy storage system is lower than 20% of the full electric quantity of the energy storage system, transmitting information to a display 3, and exiting the power limiting mode at the floor to operate with the power P3 of actual power utilization; when the power of each floor in the building is larger than P1, the power-limited mode is exited, the system operates according to the actual situation, and the server 2 records the maximum operating power and the electricity consumption of each floor on the day.
The energy system described in this embodiment can automatically set the limit power of the power grid, and the user can set the time for entering the limit power mode, and reasonably distributes the available power of each floor, thereby avoiding the situation of power grid peak operation, causing the severe load of the power grid, and maximally making the energy effectively utilized.
The invention also provides a processor for executing the building level energy control method of fig. 1 or fig. 2.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A building-level energy control method, comprising:
acquiring an instruction sent by a user;
when the instruction is to enter a power limiting mode, determining the available power of each floor according to the historical electricity utilization data of each floor in the building;
acquiring the actual power consumption of each floor at specific time intervals;
and adjusting the available power of each floor according to the magnitude relation between the actual power and the available power of the floor.
2. The building-level energy control method of claim 1, wherein determining the available power for each floor of the building based on historical electricity usage data for the floor comprises:
inquiring yesterday power consumption of each floor and calculating total power consumption of the building;
determining a total power provided by a power supply system, the power supply system comprising: photovoltaic systems and grid systems;
and determining the available power of each floor by multiplying the ratio of yesterday power consumption of each floor to total power consumption by the total power provided by the power supply system.
3. The building-level energy control method according to claim 1, wherein said adjusting the available power of each floor according to the magnitude relationship between the actual power consumption and the available power of the floor comprises:
if the actual power consumption is smaller than the available power of the floor, further inquiring the electric quantity condition of the energy storage system of the floor;
if the energy storage system is fully charged, adjusting the available power of the floor to be actual power utilization power, and distributing the difference power between the available power of the floor and the actual power utilization power to other floors; otherwise, charging the energy storage system of the floor by the difference power between the available power and the actual power;
and if the actual electric power is larger than the available power of the floor, keeping the available power of the floor unchanged, and starting the energy storage system of the floor.
4. The building-level energy control method of claim 3, wherein said distributing the difference power between the available power and the actual power to other floors comprises:
acquiring the electric quantity of the energy storage systems of other floors;
determining a floor corresponding to the energy storage system with the minimum electric quantity;
and averagely distributing the difference power to the floor corresponding to the energy storage system with the minimum electric quantity.
5. The building-level energy control method according to claim 3, wherein when the actual power consumption is greater than the available power of the floor and the energy storage system of the floor is turned on, the method further comprises:
inquiring the electric quantity of the energy storage system of the floor at specific time intervals;
and when the electric quantity of the energy storage system of the floor is lower than the preset electric quantity, stopping energy storage and power supply, and exiting the limited power mode at the floor to run with actual power utilization.
6. The building-level energy control method according to any one of claims 1 to 5, further comprising:
when the power of all each floor within the building is greater than a certain power, the power limited mode is exited.
7. The building level energy control method of claim 6, wherein the specific power is determined as follows:
acquiring the maximum value of the daily power of each floor in the past week of the building;
and calculating the average value of the maximum power values of each floor per day in the past week, and determining the average value as the specific power.
8. A building-level energy control apparatus, comprising:
the first acquisition module is used for acquiring an instruction sent by a user;
the determining module is used for determining the available power of each floor according to the historical electricity utilization data of each floor in the building when the instruction is to enter the power limiting mode;
the second acquisition module is used for acquiring the actual power consumption of each floor at specific time intervals;
and the adjusting module is used for adjusting the available power of each floor according to the size relation between the actual power and the available power of the floor.
9. A building-level energy system, comprising:
the building level energy control device, power supply system, server and display of claim 8, and a plurality of energy storage systems; each energy storage system corresponds to one floor;
the power supply system includes: photovoltaic systems and grid systems.
10. A processor configured to perform the building level energy control method of any one of claims 1 to 7.
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| CN113567722A (en) * | 2021-07-08 | 2021-10-29 | 浙江万胜智能科技股份有限公司 | Power control method and device for electrical appliance |
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