CN113467291A - Energy-saving building concentrator control method suitable for bidirectional interaction - Google Patents
Energy-saving building concentrator control method suitable for bidirectional interaction Download PDFInfo
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- CN113467291A CN113467291A CN202110659846.6A CN202110659846A CN113467291A CN 113467291 A CN113467291 A CN 113467291A CN 202110659846 A CN202110659846 A CN 202110659846A CN 113467291 A CN113467291 A CN 113467291A
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- 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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
The invention provides a control method of an energy-saving building concentrator suitable for bidirectional interaction, which comprises the following steps of firstly, measuring power utilization data on user power utilization equipment through an electrical measuring unit on the energy-saving building concentrator; secondly, after the electricity utilization data obtained by the measurement of the electrical measurement unit is analyzed and processed by the DSP data processing center, the electricity utilization data is sent to the ARM flat-plate all-in-one machine and the cloud server through the communication unit; local system software of an intelligent home terminal concentrator carried in the ARM flat-panel all-in-one machine utilizes Pareto multi-target energy management optimization to carry out local energy management optimization on a demand side, and then returns an optimization result to the DSP data processing center; and finally, the command is sent to the user electric equipment through a WiFi module in the communication unit. The energy-saving building concentrator automatically manages the user equipment without user intervention, realizes automatic management of comprehensive energy at the user side, and improves the energy efficiency level at the demand side.
Description
Technical Field
The invention belongs to the field of control over user electric equipment of an electric power system, relates to a control method for an energy-saving building concentrator, and is suitable for automatically monitoring and controlling the power utilization condition of the user electric equipment of the electric power system.
Background
The power utilization peak-valley difference is large in China, and the actual peak load duration of the power grid is not long. At the peak of power utilization, the load of a power grid is large, but the duration is short, so that the cost required for meeting the peak power utilization by using a traditional method is high; in the electricity consumption valley, the load of the power grid is lower than the normal value, and the waste of the electric energy is caused.
At present, the mature smart home systems in the market can not participate in the management of the power grid, and the seamless interconnection of various power supplies, client terminals and the power grid can not be realized; the power consumption time of the peak is not easy to stagger, so that the load of the power grid is increased, the power consumption is increased, and harmonic waves which are harmful to the power grid cannot be eliminated.
The invention provides a control method of an energy-saving building concentrator suitable for bidirectional interaction. The method provides a personalized electricity utilization energy-saving scheme for the user, avoids the user from working in the electricity utilization peak period and the electricity utilization valley period, reduces the waste of electric energy and improves the energy efficiency level of electricity utilization. The energy-saving building concentrator can also monitor and manage harmonic waves existing in the air and eliminate harmonic wave harm in time, so that the power quality is improved, and the electric equipment of a user is protected from harmonic wave damage.
Disclosure of Invention
The invention provides a control method of an energy-saving building concentrator suitable for bidirectional interaction. This energy-conserving building concentrator includes: the device comprises an inlet terminal, an outlet terminal, an inlet air switch, an outlet air switch, a bypass air switch, a power supply unit, an electrical measurement unit, a relay unit, a clock and storage circuit, a communication unit, a DSP data processing center and an ARM flat-panel integrated machine; the energy-saving building concentrator monitors the power consumption data of the user power consumption equipment in real time at different time periods, and performs optimization analysis on the collected power consumption data of the user power consumption equipment, so as to control the actual starting time of the user power consumption equipment and realize the automatic management of comprehensive energy at the user side; the method comprises the following steps in the using process:
step (1): the energy-saving building concentrator is convenient to connect the device in series into an original circuit through the inlet terminal and the outlet terminal of the device, and the internal wiring of the device is not required to be considered;
step (2): an inlet air switch and an outlet air switch in the energy-saving building concentrator are used as an internal circuit of a protection device and a user line, and when a bypass air switch fails in the device, a power supply line is temporarily provided for a bypass of the device, so that the power supply of a user is not influenced;
and (3): the power supply unit adopts an electromagnetic compatibility power supply module to convert 220V alternating current voltage into 5V direct current voltage, so that stable direct current voltage is provided for the energy-saving building concentrator, and the normal operation of the energy-saving building concentrator is guaranteed;
and (4): the energy-saving building concentrator measures electrical information on a user bus through an electrical measurement unit, and after the measured electricity utilization data is analyzed and processed by a DSP data processing center, electricity utilization data of voltage, current, frequency, apparent power, active power, reactive power, power factor, electricity consumption, 0-31 voltage harmonic waves and 0-31 current harmonic waves are obtained;
and (5): the relay unit comprises a high-power relay and a driving circuit; the high-power relay adopts a JQX-38F-3Z high-power relay, the rated working voltage of a relay unit is 220V, and the maximum switching current is 60A; the drive circuit consists of an IB0512S module and a 9013 transistor, the base electrode of the 9013 transistor is connected with an IO pin of the DSP data processing center, the IO pin controls the on-off of the 9013 transistor to be used as a switch of a control pin power supply of the relay unit, and the IB0512S module can provide 12V coil voltage required by the action of the relay unit;
and (6): the clock and storage circuit comprises a charged erasable programmable read-only memory chip and a clock chip; the electrified erasable programmable read-only memory chip adopts AT24C64, and is mainly used for storing preset parameters of equipment, such as serial numbers, self characteristics, addresses and various correction parameters; the clock chip adopts DS1302Z, is a high-performance, low-power consumption real-time clock circuit with a random access memory, is internally provided with a 31 multiplied by 8-bit random access register for temporarily storing data, can time the year, month, day, hour, minute and second, has a leap year compensation function, is used as a timer of a DSP data processing center and provides real-time and partial parameters of stored data;
and (7): the communication unit comprises an RS232 interface, a WiFi module and an Ethernet module; the communication unit sends the electricity utilization data to the ARM flat-panel all-in-one machine and the cloud server;
and (8): an android system is carried in the ARM flat-panel all-in-one machine, local system software of an intelligent home-entry terminal concentrator, which is specially developed for an energy-saving building concentrator, is installed, and the local system software is used for displaying measured power utilization data;
and (9): the intelligent home terminal concentrator local system software utilizes Pareto multi-target energy management optimization to manage and optimize local energy at a demand side and returns an optimization result to the DSP data processing center; the Pareto multi-objective energy management optimization function is described as
min f(X)＝fi(X) i＝1,2,...,Mobj
In the formula (f)i(X) is the ith objective function; x is a decision variable; mobj、Mineq、MeqAnd MvarRespectively representing the number of target functions, inequality constraints, equality constraints and decision variables; gi(X) and hi(X) is respectively inequality constraint and equality constraint; u shapeiAnd LiUpper and lower boundaries of decision variables, respectively; satisfies the constraint condition of
The vector of (a) is called a feasible solution, i.e., a solution vector; wherein f isi(XA) And fi(XB) Are respectively solution vector XAAnd XBThe objective function value of (1); suppose XAAnd XBTwo solution vectors of the multi-objective optimization problem are shown, called XBCompared with, XAIs dominating XBThe solution vector of (2); for each solution vector, if a better solution which is better than each objective function value of the solution does not exist, the solution is called as a non-inferior solution, namely a Pareto optimal solution; the Pareto optimal solution in the whole feasible space is a Pareto optimal solution set;
step (10): the power utilization data on the DSP data processing center sends an instruction to the user power utilization equipment through the WiFi module; the energy-saving building concentrator automatically manages the user electric equipment under the condition of no need of user intervention, and realizes automatic management of comprehensive energy at the user side.
Compared with the prior art, the invention has the following advantages and effects:
(1) the energy-saving building concentrator developed by the invention can realize direct interaction between a demand side and a power grid, namely, a user can monitor and manage the power utilization condition of each electric appliance in real time through the energy-saving building concentrator, and bidirectional interaction between the user and the power grid is realized.
(2) The invention can measure and evaluate the harmonic wave in the air by utilizing the electric measuring unit in the energy-saving building concentrator, and eliminates the harmonic wave harm in time through the DSP data processing center, thereby not only protecting the normal work of the user electric equipment, prolonging the service life of the user electric equipment, but also reducing the electric energy loss and improving the electric energy quality. The aims of energy conservation, emission reduction and environmental protection are achieved.
(3) The method adopts a Pareto multi-objective energy management optimization which can simultaneously compare and analyze the electricity utilization conditions of a plurality of user electricity utilization equipment in different periods, thereby providing a set of most optimized electricity utilization scheme for users.
Drawings
Fig. 1 is a diagram of the internal architecture of an energy efficient building concentrator in accordance with the method of the present invention.
FIG. 2 is a Pareto multi-objective energy management optimization flow chart of the method of the present invention.
Detailed Description
The invention provides a control method of an energy-saving building concentrator suitable for bidirectional interaction, which is described in detail in the following steps in combination with the accompanying drawings:
fig. 1 is a diagram of the internal architecture of an energy efficient building concentrator in accordance with the method of the present invention. The device comprises an inlet terminal, an outlet terminal, an inlet air switch, an outlet air switch, a bypass air switch, a main circuit board and an ARM flat plate all-in-one machine. Furthermore, the main circuit board comprises a power supply unit, an electrical measurement unit, a relay unit, a clock and storage unit, a communication unit and a DSP data processing center. The energy-saving building concentrator can be conveniently connected in series into an original circuit through the inlet terminal and the outlet terminal of the energy-saving building concentrator without considering the internal wiring of the energy-saving building concentrator; the inlet air switch and the outlet air switch are used for protecting an internal circuit of the device and a user line, and the bypass air switch can temporarily provide a power supply line for a bypass of the device when the internal of the device fails, so that the power supply of a user is not influenced; the main circuit board integrates multiple functions of electrical data measurement, data analysis, control and communication, electrical information on a user bus is measured through an electrical measurement unit, measured power utilization data are analyzed and processed through a DSP data processing center to obtain data such as voltage, current, frequency, apparent power, active power, reactive power, power factor, power consumption, 0-31 voltage harmonic waves, 0-31 current harmonic waves and the like, and the data can be sent to an ARM flat panel integrated machine and a cloud server through a communication unit; an android system is carried in the ARM flat-panel integrated machine, and intelligent home-entry terminal concentrator local system software specially developed for the ARM flat-panel integrated machine is installed. The local system software of the intelligent home-entry terminal concentrator utilizes Pareto multi-objective energy management optimization to carry out local energy management optimization on a demand side, then returns an optimization result to the DSP data processing center, and issues an instruction to user electric equipment through a WiFi module in the communication unit. The energy-saving building concentrator automatically manages the user equipment without user intervention, and realizes automatic management of comprehensive energy at the user side.
FIG. 2 is a Pareto multi-objective energy management optimization flow chart of the method of the present invention. And performing comparative analysis and optimization processing on the solution of the multi-objective function by Pareto multi-objective energy management optimization. Firstly, the local system software of the intelligent home terminal concentrator counts the types and the number of the user electric equipment, records the electric data and the electric conditions of the user electric equipment at different times in one day, and obtains the time periods of the peak period and the valley period of the operation of the user electric equipment. And then comparing and analyzing the power utilization data at any moment in time, and judging whether the moment is the optimal working time of the user power utilization equipment. If a solution with a time better than each objective function value of the previous solution exists, the time is selected as the optimal use time period of the user electric equipment, if the time is not the optimal use time period of the user electric equipment, the electric scheme is removed, then electric data at other times are selected according to a Pareto multi-objective energy management optimization method for comparison and analysis again, the optimal use time period of the user electric equipment is preferably selected, and meanwhile, a set of optimized and most energy-saving electric scheme is provided for a user.
Claims (1)
1. A control method of an energy-saving building concentrator suitable for bidirectional interaction is characterized in that the energy-saving building concentrator comprises the following steps: the device comprises an inlet terminal, an outlet terminal, an inlet air switch, an outlet air switch, a bypass air switch, a power supply unit, an electrical measurement unit, a relay unit, a clock and storage circuit, a communication unit, a DSP data processing center and an ARM flat-panel integrated machine; the energy-saving building concentrator monitors the power consumption data of the user power consumption equipment in real time at different time periods, and performs optimization analysis on the collected power consumption data of the user power consumption equipment, so as to control the actual starting time of the user power consumption equipment and realize the automatic management of comprehensive energy at the user side; the method comprises the following steps in the using process:
step (1): the energy-saving building concentrator is convenient to connect the device in series into an original circuit through the inlet terminal and the outlet terminal of the device;
step (2): an inlet air switch and an outlet air switch in the energy-saving building concentrator are used as an internal circuit of a protection device and a user line, and when a bypass air switch fails in the device, a power supply line is temporarily provided for a bypass of the device, so that the power supply of a user is not influenced;
and (3): the power supply unit adopts an electromagnetic compatibility power supply module to convert 220V alternating current voltage into 5V direct current voltage, so that stable direct current voltage is provided for the energy-saving building concentrator, and the normal operation of the energy-saving building concentrator is guaranteed;
and (4): the energy-saving building concentrator measures electrical information on a user bus through an electrical measurement unit, and after the measured electricity utilization data is analyzed and processed by a DSP data processing center, electricity utilization data of voltage, current, frequency, apparent power, active power, reactive power, power factor, electricity consumption, 0-31 voltage harmonic waves and 0-31 current harmonic waves are obtained;
and (5): the relay unit comprises a high-power relay and a driving circuit; the high-power relay adopts a JQX-38F-3Z high-power relay, the rated working voltage of a relay unit is 220V, and the maximum switching current is 60A; the drive circuit consists of an IB0512S module and a 9013 transistor, the base electrode of the 9013 transistor is connected with an IO pin of the DSP data processing center, the IO pin controls the on-off of the 9013 transistor to be used as a switch of a control pin power supply of the relay unit, and the IB0512S module can provide 12V coil voltage required by the action of the relay unit;
and (6): the clock and storage circuit comprises a charged erasable programmable read-only memory chip and a clock chip; the electrified erasable programmable read-only memory chip adopts AT24C64, and is mainly used for storing preset parameters of equipment, such as serial numbers, self characteristics, addresses and various correction parameters; the clock chip adopts DS1302Z, which is a real-time clock circuit with high performance, low power consumption and random access memory, a random access register with 31 x 8 bits for temporarily storing data is arranged in the clock chip, the random access register is used as a timer of a DSP data processing center and provides real-time and partial parameters for storing data;
and (7): the communication unit comprises an RS232 interface, a WiFi module and an Ethernet module; the communication unit sends the electricity utilization data to the ARM flat-panel all-in-one machine and the cloud server;
and (8): an android system is carried in the ARM flat-panel all-in-one machine, local system software of an intelligent home-entry terminal concentrator, which is specially developed for an energy-saving building concentrator, is installed, and the local system software is used for displaying measured power utilization data;
and (9): the intelligent home terminal concentrator local system software utilizes Pareto multi-target energy management optimization to manage and optimize local energy at a demand side and returns an optimization result to the DSP data processing center; the Pareto multi-objective energy management optimization function is described as
In the formula (f)i(X) is the ith objective function; x is a decision variable; mobj、Mineq、MeqAnd MvarRespectively representing the number of target functions, inequality constraints, equality constraints and decision variables; gi(X) and hi(X) is respectively inequality constraint and equality constraint; u shapeiAnd LiUpper and lower boundaries of decision variables, respectively; satisfies the constraint condition of
The vector of (a) is called a feasible solution, i.e., a solution vector; wherein f isi(XA) And fi(XB) Are respectively solution vector XAAnd XBThe objective function value of (1); suppose XAAnd XBTwo solution vectors of the multi-objective optimization problem are shown, called XBCompared with, XAIs dominating XBThe solution vector of (2); for each solution vector, if a better solution which is better than each objective function value of the solution does not exist, the solution is called as a non-inferior solution, namely a Pareto optimal solution; machine for finishingThe Pareto optimal solution in the feasible space is a Pareto optimal solution set;
step (10): the power utilization data on the DSP data processing center sends an instruction to the user power utilization equipment through the WiFi module; the energy-saving building concentrator automatically manages the user electric equipment under the condition of no need of user intervention, and realizes automatic management of comprehensive energy at the user side.
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Cited By (1)
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| CN116318267A (en) * | 2023-05-18 | 2023-06-23 | 中关村芯海择优科技有限公司 | Power line carrier communication system and harmonic suppression method system thereof |
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