CN105004136A - Refrigerator peak shifting parameter adjusting control system and electrical load prediction management method thereof - Google Patents
Refrigerator peak shifting parameter adjusting control system and electrical load prediction management method thereof Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a refrigerator peak shifting parameter adjusting control system and an electrical load prediction management method thereof. The refrigerator peak shifting parameter adjusting control system is provided with a communication module, a single-chip microcomputer, a display setting module, a temperature detection module, a fault alarming module, a watchdog circuit, an output control module, a first refrigerating element, a first auxiliary heating element, a second refrigerating element and a second auxiliary heating element. The method includes the steps that power consumer information and historical load data acquired by the system are extracted; the average power consumption of recent year electrical loads of power consumers at 24 periods is calculated; the average power consumption of recent month electrical loads of the power consumers at 24 periods is calculated; the average power consumption of recent week electrical loads of the power consumers at 24 periods is calculated; the distribution of the daily 24-period electrical loads of the power consumers is predicted through different distribution coefficients according to the average power consumption of the recent year electrical loads of the power consumers at 24 periods, the average power consumption of the recent month electrical loads of the power consumers at 24 periods and the average power consumption of the recent week electrical loads of the power consumers at 24 periods. The peak-valley load difference of power grid operation is reduced, and the purposes of saving energy and reducing consumption are achieved.
Description
Technical field
The invention belongs to electric power network technical field, particularly relate to a kind of refrigerator and avoid the peak hour and adjust ginseng control system and electro-load forecast management method thereof.
Background technology
Along with the development of intelligent grid, how to improve the energy-saving efficiency of power consumer electrical equipment, research meets grid DSM requirement, and the intelligent power equipment controlled of can avoiding the peak hour is necessary.Current known various refrigerator operation control mode there is no and receives power line carrier power consumption parameter and to receive and power load avoids the peak hour that control device sends avoids the peak hour to adjust and join power consumption parameter, for realize refrigerator avoid the peak hour adjust ginseng control, thus reach electrical network peak load shifting order ground system.Dsm: under the support of government regulation and policy; take effective excitation and guiding measure and suitable function mode; jointly pulled together by genco, grid company, ESCO, social intermediary, product vendor, power consumer etc.; improve terminal power consumption efficiency and change power mode; electric quantity consumption and electricity needs is reduced while meeting same Electricity Functional; reach and economize on resources and protection of the environment, realize the management activity that social benefit is best, each side is benefited, least cost energy services is carried out.Peak load shifting: a part of peak load is moved to low-valley interval, thus the peak load reducing operation of power networks is poor, achieves the object of economize energy.Avoid the peak hour and adjust ginseng: according to power system power information, by adjustment intelligent power spatial load forecasting parameter, reduce point, crest segment power consumption, improve the control mode of paddy section power consumption.
Current various refrigerator operation control modes there is no and receive power line carrier power consumption parameter and to receive and power load avoids the peak hour that control device sends avoids the peak hour to adjust and join power consumption parameter.
Summary of the invention
The object of the present invention is to provide a kind of refrigerator to avoid the peak hour and adjust ginseng control system and electro-load forecast management method thereof, be intended to solve current known various refrigerator operation control mode and there is no and receive power line carrier power consumption parameter and to receive and power load is avoided the peak hour the problem adjusted and join power consumption parameter of avoiding the peak hour that control device sends.
The present invention is achieved in that a kind of electro-load forecast management method of refrigerator, and the electro-load forecast management method of described refrigerator adopts the peak interval of time prediction and calculation method of user power utilization load statistical distribution coefficient, specifically comprises the following steps:
Step one, the power consumer information that extraction system obtains and historical load data;
Step 2, calculates power consumer nearest 1 year power load at 24 period average power consumptions;
Step 3, calculates power consumer power load in nearest January at 24 period average power consumptions;
Step 4, calculates power consumer nearest one week power load at 24 period average power consumptions;
Step 5, according to power consumer the most in recent years, the moon, all power loads at 24 period average power consumptions, take the power loads distribution of period different distributions coefficient prediction power consumer day 24;
Formula is as follows:
D
24 periods(day 24 period load prediction)=N × N
24 periods(period in year 24 each electricity consumption mean value)+Y × Y
24 periods(the period moon 24 each electricity consumption mean value)+Z × Z
24 periods(all 24 period each electricity consumption mean values);
Wherein N is year statistical distribution coefficient, and Y is moon statistical distribution coefficient, and Z is all statistical distribution coefficients
N+Y+Z＝1。
Another object of the present invention is to provide a kind of refrigerator to avoid the peak hour and adjust ginseng control system, described refrigerator is avoided the peak hour and is adjusted ginseng control system to comprise:
Single-chip microcomputer, be connected with power module, temperature setting module, temperature detecting module, fault alarm module, communication module, watchdog circuit, output control module and the first cooling module, the first auxiliary heating element, the second cooling module, the second auxiliary heating element, for writing complete control program, realizing avoiding the peak hour of refrigerator and adjusting ginseng to control; Single-chip microcomputer exports the pulse signal 1,0 at 100ms interval to output control circuit INA, INB, INC, IND, INE, INF, the adhesive of ING, INH magnetic latching relay, controls cold storage chamber of refrigerator and the work of refrigerating chamber operation element, and single-chip microcomputer exports the pulse signal 0,1 at 100ms interval to output control circuit INA, INB, INC, IND, INE, INF, ING, INH magnetic latching relay turns off, and stops cold storage chamber of refrigerator and the work of refrigerating chamber operation element;
Power module, adopts three-terminal regulator block voltage stabilizing, selects Low Drift Temperature Zener diode to carry out secondary voltage stabilizing;
Temperature setting module, be connected with single-chip microcomputer, adopt 8155 interface chips, 74ls138 decoder, in-phase amplifier 7407, inverting amplifier 75452, charactron and LED Light-Emitting Diode, 5K resistance and button composition, for realize refrigerator avoid the peak hour adjust ginseng control system operating temperature setting and clock setting, and actual temperature display and LED Light-Emitting Diode function indicate;
Temperature detecting module, be connected with single-chip microcomputer, with two-way thermocouple temperature sensor for core component is used for the actual temperature of cold storage chamber of refrigerator and refrigerating chamber to be converted into voltage signal, amplify through precision operational-amplifier OP27, voltage signal after amplification carries out, after high precision analogue conversion, data being sent to single-chip microcomputer through A/D analog-digital converter;
Fault alarm module, is connected with single-chip microcomputer, adopts sound and light alarm, and by light emitting diode, loudspeaker and drive circuit composition, realize sound and light alarm for during the system failure;
Communication module, is connected with single-chip microcomputer, adopts 485 communication interfaces to receive power line carrier power consumption parameter for communication and to receive and power load is avoided the peak hour avoiding the peak hour to adjust and joining power information of control device;
Watchdog circuit, is connected with single-chip microcomputer, makes program lose or come into endless loop, cause system in case of system halt for anti-locking system is disturbed;
Output control module, is connected with single-chip microcomputer, controls magnetic latching relay and closes, breaks, realize the on off control of cold storage chamber of refrigerator and refrigerating chamber operation element by four road JX03 bidirectional relay drive integrated circults.
Further, described output control module adopts four road JX03 bidirectional relay drive integrated circults to control magnetic latching relay and closes, breaks, and realizes the on off control of cold storage chamber of refrigerator and refrigerating chamber operation element.
Further, the circuit of temperature setting module specifically connects and is: the PA0 ~ PA6 with 8155 is connected with 7 pin a ~ g of 4 seven segment digital tubes by in-phase amplifier 7407; PA0 ~ PA6 is connected with 7 LED Light-Emitting Diodes by in-phase amplifier 7407; 8155PA mouth is font mouth, and address is FF21H; PB0 ~ PB4 with 8155 passes through the common cathode of inverting amplifier 75452 and 4 seven segment digital tubes DG0 ~ DG3, and be connected with 7 LED Light-Emitting Diode common cathodes, 8155PB mouth is that mouth is selected in position, and address is FF22H.
Further, the button in described temperature setting module arranges circuit and adopts dynamic scan method, for charactron and the display of LED Light-Emitting Diode; The temperature of digital-scroll technique actual measurement at ordinary times, during the setting of keyboard temperature, DG0 ~ DG3 tetra-seven segment digital tubes, for showing set temperature, during the setting of keyboard time, when DG0 ~ DG3 tetra-seven segment digital tubes are used for showing in turn, divide.
Further, electricity consumption peak interval of time can be set by the user, and in the temperature setting module of single-chip microcomputer, keyboard scanning circuit is made up of 2 lines and 6 alignments; The left side of 2 lines meets 2 pins PC.1, PC.2 of the PC mouth of 8155, and the right connects 5V power supply by 5K resistance.6 alignments connect 8155B mouth by phase inverter; Arrange a button at the infall of line and alignment, the keyboard of single-chip microcomputer is made up of 2 × 6=12 button.
Further, described refrigerator is avoided the peak hour and is adjusted ginseng control system allomeric function to be controlled subprogram cooperation realized by main program, temperature setting process subprogram, temperature detection subprogram, communication subprogram, output;
Temperature setting process subprogram, main program is avoided the peak hour by temperature setting module circuit realiration power consumer refrigerator and is adjusted the ginseng refrigerating chamber of control system and refrigerating chamber operating temperature and clock setting and Presentation Function; Two-way thermocouple temperature sensor is after the refrigerating chamber of core component and freezer temperature measurement data carry out analog-to-digital conversion by temperature detection subprogram, then digitized measurement temperature data is passed to single-chip microcomputer and carry out storing and process; Communication subprogram is received by communication module reception power line carrier power consumption parameter and power load is avoided the peak hour, and avoiding the peak hour of control device adjusts ginseng power information; Export and control subprogram adjusts ginseng power information and user's setting cold storage chamber of refrigerator and refrigerating chamber operating temperature by avoiding the peak hour, in the start and stop temperature of the different refrigerator of point, cutting edge of a knife or a sword, paddy, flat electricity consumption slot setup, realize avoid the peak hour on off control function and the system failure alarm module function of cold storage chamber of refrigerator and refrigerating chamber operation element.
Further, export and control subprogram according to fault alarm module identification, start sound and light alarm to export, and according to user setting cold storage chamber of refrigerator and refrigerating chamber operating temperature, in the start and stop temperature of the different refrigerator of point, cutting edge of a knife or a sword, paddy, flat electricity consumption slot setup, realize the on off control function of avoiding the peak hour of cold storage chamber of refrigerator and refrigerating chamber operation element; Specifically comprise:
Step one: determine whether warning mark, alarm free mark goes to step five;
Step 2: determine whether noise reduction mark, has noise reduction mark to go to step four;
Step 3: drive sound and light alarm;
Step 4: driving LED alarm lamp, goes to step nine;
Step 5: determine whether period transition flag, no marks goes to step eight;
Step 6: calculate the corresponding cold storage chamber of refrigerator of period and the start and stop temperature of refrigerating chamber operation element;
Step 7: the corresponding cold storage chamber of refrigerator of period and the state of refrigerating chamber operation element are set;
Step 8: call display subroutine;
Step 9: return.
Refrigerator provided by the invention is avoided the peak hour and is adjusted ginseng control system and electro-load forecast management method thereof, utilize communication module to receive power line carrier power consumption parameter to receive and power load avoids the peak hour that control device sends avoids the peak hour to adjust and join power consumption parameter, by power consumer cold storage chamber of refrigerator is set according to self-demand and refrigerating chamber operating temperature controls, at different electricity consumption peak interval of time, ginseng power consumption parameter is adjusted according to avoiding the peak hour, the cycling time of conservative control refrigerator, thus achieve the spatial load forecasting of avoiding the peak hour of electrical network peak load shifting, reach energy-saving and cost-reducing object.The present invention is by obtaining power consumer information and historical load data, and in conjunction with year, the moon, all power loads at 24 period average power consumptions, adopt power load statistical distribution coefficient, 24 the period power load distributions of prediction power consumer day, achieve the real-time and precise prediction of regional power grid peak interval of time, be conducive to by DSM, directed reduction electrical network crest segment power consumption, improve electric-net valley section power consumption, thus realize energy-saving and cost-reducing object.
Accompanying drawing explanation
Fig. 1 is that refrigerator that the embodiment of the present invention provides is avoided the peak hour and adjusted ginseng Control system architecture schematic diagram;
In figure: 1, communication module; 2, single-chip microcomputer; 3, temperature setting module; 4, temperature detecting module; 5, fault alarm module; 6, watchdog circuit; 7, output control module; 8, auxiliary heating element 1; 9, cooling module 1; 10, auxiliary heating element 2; 11, cooling module 2; 12, power module;
Fig. 2 is the temperature setting module circuit diagram that the embodiment of the present invention provides;
Fig. 3 is the output control circuit figure that the embodiment of the present invention provides.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Below in conjunction with accompanying drawing, application principle of the present invention is further described.
As shown in Figure 1, the refrigerator of the embodiment of the present invention is avoided the peak hour and is adjusted ginseng control system; Device hardware is made up of single-chip microcomputer 2, power module 12, temperature setting module 3, temperature detecting module 4, first auxiliary heating element 8, first cooling module 9, second auxiliary heating element 10, second cooling module 11, fault alarm module 5, communication module 1, watchdog circuit 6 and output control module 7.
Single-chip microcomputer 2, be connected with power module 12, temperature setting module 3, temperature detecting module 4 and the first auxiliary heating element 8, first cooling module 9, second auxiliary heating element 10, second cooling module 11, fault alarm module 5, communication module 1, watchdog circuit 6 and output control module 7, for writing complete control program, realize refrigerator avoid the peak hour adjust ginseng control system;
Power module 12, adopts three-terminal regulator block voltage stabilizing, selects Low Drift Temperature Zener diode to carry out secondary voltage stabilizing;
Temperature setting module 3, is connected with single-chip microcomputer 2, for realize refrigerator avoid the peak hour adjust ginseng control system operating temperature setting and clock setting, and actual temperature display and LED Light-Emitting Diode function indicate;
Temperature detecting module 4, is connected with single-chip microcomputer 2, measures with the actual work temperature that two-way thermocouple temperature sensor is used for cold storage chamber of refrigerator and refrigerating chamber for core component and by modulus conversion chip, the analog signal of measuring tempeature is converted to data signal.
Fault alarm module 5, is connected with single-chip microcomputer 2, adopts sound and light alarm, and by light emitting diode, loudspeaker and drive circuit composition, realize sound and light alarm for during the system failure;
Communication module 1, is connected with single-chip microcomputer 2, the tune ginseng power information of avoiding the peak hour of control device of avoiding the peak hour for the power consumption parameter reception of communication reception power line carrier and power load;
Watchdog circuit 6, is connected with single-chip microcomputer 2, makes program lose or come into endless loop, cause system in case of system halt for anti-locking system is disturbed;
Output control module 7, be connected with single-chip microcomputer 2, control magnetic latching relay by four road JX03 bidirectional relay drive integrated circults to close, break, realize the on off control of the first auxiliary heating element 8, first cooling module 9, second auxiliary heating element 10, second cooling module 11 of cold storage chamber of refrigerator and refrigerating chamber.
After refrigerator is avoided the peak hour and adjusted ginseng control system to receive power consumption parameter by communication module, its tune ginseng control mode of avoiding the peak hour is:
Defrost heater pattern:
K power consumption parameter K parameter=K power consumption parameter ÷ 256
△ T=Ws refrigerator set temperature-Wq refrigerator start-up temperature
Point, crest segment time:
Wq refrigerator start-up temperature=Ws refrigerator set temperature-△ T
Wt refrigerator stops temperature=Ws refrigerator set temperature-K parameter × △ T
The paddy section time:
Wq refrigerator start-up temperature=Ws refrigerator set temperature-K parameter × △ T
Wt refrigerator stops temperature=Ws refrigerator set temperature
The flat section time:
Wq refrigerator start-up temperature=Ws refrigerator set temperature-△ T
Wt refrigerator stops temperature=Ws refrigerator set temperature
Refrigeration mode:
K power consumption parameter K parameter=K power consumption parameter ÷ 256
△ T=Wq refrigerator start-up temperature-Ws refrigerator set temperature
Point, crest segment time:
Wq refrigerator start-up temperature=Ws refrigerator set temperature+△ T
Wt refrigerator stops temperature=Ws refrigerator set temperature+K parameter × △ T
The paddy section time:
Wq refrigerator start-up temperature=Ws refrigerator set temperature+K parameter × △ T
Wt refrigerator stops temperature=Ws refrigerator set temperature
The flat section time:
Wq refrigerator start-up temperature=Ws refrigerator set temperature+△ T
Wt refrigerator stops temperature=Ws refrigerator set temperature
As shown in Figure 2, the temperature setting module circuit diagram of the embodiment of the present invention.Be connected with single-chip microcomputer, temperature setting module is connected with 7 pin a ~ g of four seven sections of pipes by inverting amplifier 7407 by the PA0 ~ PA6 of 8155, PA7 and PC0 connects charactron+-display pin by inverting amplifier 7407.PA0 ~ PA6 is connected with seven LED Light-Emitting Diodes by inverting amplifier 7407.8155PA mouth is font mouth.PB0 ~ PB4 with 8155, by the common cathode of inverting amplifier 75452 and 4 seven sections section pipe DG0 ~ DG3, is connected with seven LED Light-Emitting Diode common cathodes.8155PB mouth is that mouth is selected in position.Adopt dynamic scan method, for charactron and the display of LED Light-Emitting Diode.DG0 ~ DG1 bis-seven segment digital tubes are for showing temperature of refrigerating chamber and crest segment (paddy section) initial time, DG2 ~ DG3 bis-seven segment digital tubes are for showing freezer temperature and crest segment (paddy section) end time, LED0 Light-Emitting Diode is used for crest segment set of time indicator lamp, LED1 Light-Emitting Diode is used for paddy section set of time indicator lamp, LED2 Light-Emitting Diode is used for refrigerating chamber switch indication light, LED3 Light-Emitting Diode is used for fast refrigeration room indicator lamp, LED4 Light-Emitting Diode is used for refrigerating chamber switch indication light, LED5 Light-Emitting Diode is used for snap frozen indicator lamp, LED6 Light-Emitting Diode is used for temperature over-range alarm lamp.
Power module of the present invention, adopts prior art, with three-terminal regulator block voltage stabilizing, selects Low Drift Temperature Zener diode to carry out secondary voltage stabilizing; Temperature setting module, is connected with single-chip microcomputer, adopts 8155 interface chips, 74ls138 decoder, in-phase amplifier 7407, inverting amplifier 75452, charactron and LED Light-Emitting Diode, 5K resistance and button composition.For realize refrigerator avoid the peak hour adjust ginseng control system operating temperature setting, clock setting and peak interval of time self-defined, and actual temperature display and LED Light-Emitting Diode function indicate; Temperature detecting module, be connected with single-chip microcomputer, with refrigerating chamber and refrigerating chamber two-way thermocouple temperature sensor for core component is used for the actual temperature of cold storage chamber of refrigerator and refrigerating chamber to be converted into voltage signal, amplify through precision operational-amplifier OP27, voltage signal after amplification carries out, after high precision analogue conversion, data being sent to single-chip microcomputer through A/D analog-digital converter; Fault alarm module, is connected with single-chip microcomputer, adopts sound and light alarm, and by light emitting diode, loudspeaker and drive circuit composition, realize sound and light alarm for during the system failure; Communication module, is connected with single-chip microcomputer, adopts 485 communication interfaces to receive power line carrier power consumption parameter for communication and to receive and power load is avoided the peak hour avoiding the peak hour to adjust and joining power information of control device; Watchdog circuit, be connected with single-chip microcomputer, the X5045 that the present invention adopts is a kind of programmable circuit integrating house dog, voltage monitoring and serial E2PROM three kinds of functions, makes program loss or comes into endless loop, cause system in case of system halt for anti-locking system is disturbed; Output control module, is connected with single-chip microcomputer, controls magnetic latching relay and closes, breaks, realize the on off control of refrigerator operation element, as Fig. 3 by four road JX03 bidirectional relay drive integrated circults; Single-chip microcomputer exports the pulse signal 1,0 at 100ms interval to output control circuit INA, INB, INC, IND, INE, INF, the adhesive of ING, INH magnetic latching relay, controls cold storage chamber of refrigerator and refrigerating chamber auxiliary heating element, cooling module work.Single-chip microcomputer exports the pulse signal 0,1 at 100ms interval to output control circuit INA, INB, INC, IND, INE, INF, and ING, INH magnetic latching relay turns off, and stops cold storage chamber of refrigerator and refrigerating chamber auxiliary heating element, cooling module work.
The refrigerator of the embodiment of the present invention is avoided the peak hour and is adjusted the main program flow of ginseng control system.Allomeric function is controlled subprogram coordinated realization by main program, temperature setting process subprogram, temperature detection subprogram, communication subprogram, output;
Allomeric function coordinates the tune ginseng of avoiding the peak hour of reception and the refrigerator realizing power consumption parameter to control by main program and related function module program.Temperature setting process subprogram, main program by temperature setting module circuit realiration power consumer refrigerator avoid the peak hour adjust ginseng control system operating temperature, clock setting and peak interval of time is self-defined and Presentation Function; Temperature detection subprogram, after carrying out analog-to-digital conversion, then passes to single-chip microcomputer and carries out storing and process cold storage chamber of refrigerator and the refrigerating chamber two-way thermocouple temperature sensor temperature measuring data that is core component by digitized measurement temperature data; Communication subprogram is received by communication module reception power line carrier power consumption parameter and power load is avoided the peak hour, and avoiding the peak hour of control device adjusts ginseng power information; Export and control subprogram adjusts ginseng power information and user's setting refrigerator operation temperature by avoiding the peak hour, in the start and stop temperature of the different cold storage chamber of refrigerator of point, cutting edge of a knife or a sword, paddy, flat electricity consumption slot setup and refrigerating chamber, realize avoid the peak hour on off control function and the system failure alarm module function of refrigerator operation element.
Export and control subprogram.System, according to fault alarm module identification, starts sound and light alarm and exports.And according to the refrigerator operation temperature of user's setting, in the start and stop temperature of the different cold storage chamber of refrigerator of point, cutting edge of a knife or a sword, paddy, flat electricity consumption slot setup and refrigerating chamber, realize the on off control function of avoiding the peak hour of refrigerator operation element; Specifically comprise:
Step one: determine whether warning mark, alarm free mark goes to step five;
Step 2: determine whether noise reduction mark, has noise reduction mark to go to step four;
Step 3: drive sound and light alarm;
Step 4: driving LED alarm lamp, goes to step nine;
Step 5: determine whether period transition flag, no marks goes to step eight;
Step 6: calculate the corresponding cold storage chamber of refrigerator of period and the start and stop temperature of refrigerating chamber operation element;
Step 7: the corresponding cold storage chamber of refrigerator of period and the state of refrigerating chamber operation element are set;
Step 8: call display subroutine;
Step 9: return.
Step 7 adjusts cold storage chamber of refrigerator and the refrigerating chamber operating temperature of ginseng power information and user's setting according to avoiding the peak hour, arrange different cold storage chamber of refrigerator and refrigerating chamber operation element state, specifically comprise in point, cutting edge of a knife or a sword, paddy, flat electricity consumption period;
Point, crest segment time: forbid cold storage chamber of refrigerator and the work of refrigerating chamber defrosting auxiliary heating element; Allow cold storage chamber of refrigerator and the work of refrigerating chamber cooling module.
Flat, the paddy section time: allow cold storage chamber of refrigerator and refrigerating chamber cooling module, defrost auxiliary heating element work.
The electro-load forecast management method of the refrigerator of the embodiment of the present invention comprises the following steps:
Step one, obtains user profile and historical load data by power user intelligent ammeter;
Step 2, calculate power consumer nearest 1 year power load at 24 period average power consumptions, its computing formula is:
Step 3, calculate power consumer power load in nearest January at 24 period average power consumptions, its computing formula is:
Step 4, calculate power consumer nearest one week power load at 24 period average power consumptions, its computing formula is:
Step 5, according to power consumer year, the moon, all power loads at 24 period average power consumptions, adopts power load statistical distribution coefficient.24 the period power load distributions of prediction power consumer day, its formula is as follows:
D
24 periods(day 24 period load prediction)=N × N
24 periods(period in year 24 each electricity consumption mean value)+Y × Y
24 periods(the period moon 24 each electricity consumption mean value)+Z × Z
24 periods(all 24 period each electricity consumption mean values)
Wherein N is year statistical distribution coefficient, and Y is moon statistical distribution coefficient, and Z is all statistical distribution coefficients
N+Y+Z＝1。
Refrigerator of the present invention is avoided the peak hour the power consumption parameter of the peak interval of time of adjusting ginseng control system that power consumer is issued according to power system and each peak interval of time, realize avoiding the peak hour of refrigerator and adjust ginseng control mode, thus make power system dsm extend to user side, meet the object of electrical network peak load shifting, promote the load and energy management under intelligent grid environment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an electro-load forecast management method for refrigerator, is characterized in that, the electro-load forecast management method of described refrigerator adopts the peak interval of time prediction and calculation method of user power utilization load statistical distribution coefficient, specifically comprises the following steps:
Step one, the power consumer information that extraction system obtains and historical load data;
Step 2, calculates power consumer nearest 1 year power load at 24 period average power consumptions;
Step 3, calculates power consumer power load in nearest January at 24 period average power consumptions;
Step 4, calculates power consumer nearest one week power load at 24 period average power consumptions;
Step 5, according to power consumer the most in recent years, the moon, all power loads at 24 period average power consumptions, take the power loads distribution of period different distributions coefficient prediction power consumer day 24;
Formula is as follows:
D
24 periods(day 24 period load prediction)=N × N
24 periods(period in year 24 each electricity consumption mean value)+Y × Y
24 periods(the period moon 24 each electricity consumption mean value)+Z × Z
24 periods(all 24 period each electricity consumption mean values);
Wherein N is year statistical distribution coefficient, and Y is moon statistical distribution coefficient, and Z is all statistical distribution coefficients
N+Y+Z＝1。
2. refrigerator is avoided the peak hour and is adjusted a ginseng control system, it is characterized in that, described refrigerator is avoided the peak hour and adjusted ginseng control system to comprise:
Single-chip microcomputer, be connected with power module, temperature setting module, temperature detecting module, fault alarm module, communication module, watchdog circuit, output control module and the first cooling module, the first auxiliary heating element, the second cooling module, the second auxiliary heating element, for writing complete control program, realizing avoiding the peak hour of refrigerator and adjusting ginseng to control; Single-chip microcomputer exports the pulse signal 1,0 at 100ms interval to output control circuit INA, INB, INC, IND, INE, INF, the adhesive of ING, INH magnetic latching relay, controls cold storage chamber of refrigerator and the work of refrigerating chamber operation element, and single-chip microcomputer exports the pulse signal 0,1 at 100ms interval to output control circuit INA, INB, INC, IND, INE, INF, ING, INH magnetic latching relay turns off, and stops cold storage chamber of refrigerator and the work of refrigerating chamber operation element;
Power module, adopts three-terminal regulator block voltage stabilizing, selects Low Drift Temperature Zener diode to carry out secondary voltage stabilizing;
Temperature setting module, be connected with single-chip microcomputer, adopt 8155 interface chips, 74ls138 decoder, in-phase amplifier 7407, inverting amplifier 75452, charactron and LED Light-Emitting Diode, 5K resistance and button composition, for realize refrigerator avoid the peak hour adjust ginseng control system operating temperature setting and clock setting, and actual temperature display and LED Light-Emitting Diode function indicate;
Temperature detecting module, be connected with single-chip microcomputer, with two-way thermocouple temperature sensor for core component is used for the actual temperature of cold storage chamber of refrigerator and refrigerating chamber to be converted into voltage signal, amplify through precision operational-amplifier OP27, voltage signal after amplification carries out, after high precision analogue conversion, data being sent to single-chip microcomputer through A/D analog-digital converter;
Fault alarm module, is connected with single-chip microcomputer, adopts sound and light alarm, and by light emitting diode, loudspeaker and drive circuit composition, realize sound and light alarm for during the system failure;
Communication module, is connected with single-chip microcomputer, adopts 485 communication interfaces to receive power line carrier power consumption parameter for communication and to receive and power load is avoided the peak hour avoiding the peak hour to adjust and joining power information of control device;
Watchdog circuit, is connected with single-chip microcomputer, makes program lose or come into endless loop, cause system in case of system halt for anti-locking system is disturbed;
Output control module, is connected with single-chip microcomputer, controls magnetic latching relay and closes, breaks, realize the on off control of cold storage chamber of refrigerator and refrigerating chamber operation element by four road JX03 bidirectional relay drive integrated circults.
3. refrigerator as claimed in claim 2 is avoided the peak hour and is adjusted ginseng control system, it is characterized in that, described output control module adopts four road JX03 bidirectional relay drive integrated circults to control magnetic latching relay and closes, breaks, and realizes the on off control of cold storage chamber of refrigerator and refrigerating chamber operation element.
4. refrigerator as claimed in claim 2 is avoided the peak hour and is adjusted ginseng control system, it is characterized in that, the circuit of temperature setting module specifically connects and is: the PA0 ~ PA6 with 8155 is connected with 7 pin a ~ g of 4 seven segment digital tubes by in-phase amplifier 7407; PA0 ~ PA6 is connected with 7 LED Light-Emitting Diodes by in-phase amplifier 7407; 8155PA mouth is font mouth, and address is FF21H; PB0 ~ PB4 with 8155 is connected by the common cathode of inverting amplifier 75452 and 4 seven segment digital tubes DG0 ~ DG3 and 7 LED Light-Emitting Diode common cathodes, and 8155PB mouth is that mouth is selected in position, and address is FF22H.
5. refrigerator as claimed in claim 2 is avoided the peak hour and is adjusted ginseng control system, and it is characterized in that, the button in described temperature setting module arranges circuit and adopts dynamic scan method, for charactron and the display of LED Light-Emitting Diode; The temperature of digital-scroll technique actual measurement at ordinary times, during the setting of keyboard temperature, DG0 ~ DG3 tetra-seven segment digital tubes, for showing set temperature, during the setting of keyboard time, when DG0 ~ DG3 tetra-seven segment digital tubes are used for showing in turn, divide.
6. refrigerator as claimed in claim 2 is avoided the peak hour and is adjusted ginseng control system, and it is characterized in that, electricity consumption peak interval of time is set by the user, and in the temperature setting module of single-chip microcomputer, keyboard scanning circuit is made up of 2 lines and 6 alignments; The left side of 2 lines meets 2 pins PC.1, PC.2 of the PC mouth of 8155, and the right connects 5V power supply by 5K resistance, and 6 alignments connect 8155B mouth by phase inverter; Arrange a button at the infall of line and alignment, the keyboard of single-chip microcomputer is made up of 2 × 6=12 button.
7. refrigerator as claimed in claim 2 is avoided the peak hour and is adjusted ginseng control system, it is characterized in that, described refrigerator is avoided the peak hour and is adjusted ginseng control system allomeric function to be controlled subprogram cooperation realized by main program, temperature setting process subprogram, temperature detection subprogram, communication subprogram, output;
Temperature setting process subprogram, main program is avoided the peak hour by temperature setting module circuit realiration power consumer refrigerator and is adjusted the ginseng refrigerating chamber of control system and refrigerating chamber operating temperature and clock setting and Presentation Function; Two-way thermocouple temperature sensor is after the refrigerating chamber of core component and freezer temperature measurement data carry out analog-to-digital conversion by temperature detection subprogram, then digitized measurement temperature data is passed to single-chip microcomputer and carry out storing and process; Communication subprogram is received by communication module reception power line carrier power consumption parameter and power load is avoided the peak hour, and avoiding the peak hour of control device adjusts ginseng power information; Export and control subprogram adjusts ginseng power information and user's setting cold storage chamber of refrigerator and refrigerating chamber operating temperature by avoiding the peak hour, in the start and stop temperature of the different refrigerator of point, cutting edge of a knife or a sword, paddy, flat electricity consumption slot setup, realize avoid the peak hour on off control function and the system failure alarm module function of cold storage chamber of refrigerator and refrigerating chamber operation element.
8. refrigerator as claimed in claim 2 is avoided the peak hour and is adjusted ginseng control system, it is characterized in that, export and control subprogram according to fault alarm module identification, start sound and light alarm to export, and according to user setting cold storage chamber of refrigerator and refrigerating chamber operating temperature, in the start and stop temperature of the different refrigerator of point, cutting edge of a knife or a sword, paddy, flat electricity consumption slot setup, realize the on off control function of avoiding the peak hour of cold storage chamber of refrigerator and refrigerating chamber operation element; Specifically comprise:
Step one: determine whether warning mark, alarm free mark goes to step five;
Step 2: determine whether noise reduction mark, has noise reduction mark to go to step four;
Step 3: drive sound and light alarm;
Step 4: driving LED alarm lamp, goes to step nine;
Step 5: determine whether period transition flag, no marks goes to step eight;
Step 6: calculate the corresponding cold storage chamber of refrigerator of period and the start and stop temperature of refrigerating chamber operation element;
Step 7: the corresponding cold storage chamber of refrigerator of period and the state of refrigerating chamber operation element are set;
Step 8: call display subroutine;
Step 9: return.
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| CN107658869A (en) * | 2017-10-18 | 2018-02-02 | 於晓明 | There are the temperature controller and method of peak load shifting function |
| CN110006204A (en) * | 2018-01-04 | 2019-07-12 | 众智光电科技股份有限公司 | Energy-saving refrigerator |
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