CN114383185A - Method for saving heating cost by using peak-valley electricity price difference, storage medium and temperature controller - Google Patents
Method for saving heating cost by using peak-valley electricity price difference, storage medium and temperature controller Download PDFInfo
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- CN114383185A CN114383185A CN202011119849.2A CN202011119849A CN114383185A CN 114383185 A CN114383185 A CN 114383185A CN 202011119849 A CN202011119849 A CN 202011119849A CN 114383185 A CN114383185 A CN 114383185A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
- G05D23/303—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature using a sensing element having a resistance varying with temperature, e.g. thermistor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention belongs to the technical field of temperature control, and particularly relates to a method for saving heating cost by using peak-valley electricity price difference, a storage medium and an electric heating temperature controller. The invention can automatically calculate the most reasonable heating mode according to the preset peak-valley electricity price time period, and fully utilizes the low electricity price time period in the valley period to heat and heat, thereby achieving the purpose of saving electricity charge under the condition of the same heating effect. Through test comparison, compared with a constant-temperature heating method, the method can save 12% of electricity charge.
Description
Technical Field
The invention belongs to the technical field of temperature control, and particularly relates to a method for saving heating cost by using peak-valley electricity price difference, a storage medium and an electric heating temperature controller.
Background
The peak-valley electricity price, also called 'time-of-use electricity price', is an electricity price system for calculating electricity charges according to peak electricity utilization and valley electricity utilization respectively. The load of the power system is always fluctuating, for example peak loads may occur in the morning and evening, and a valley of loads may occur from 22 pm to 6 pm later.
The electric heating is one of the commonly used heating modes at present, and the temperature control of the existing electric heating mainly comprises a preset temperature, wherein the heating is started when the temperature is lower than the preset temperature, and the heating is stopped when the preset temperature is reached; presetting temperature in different time periods, and starting heating at regular time. On the basis of the two temperature control modes, functions of remote control, centralized control and the like are added. But these functions are not well combined with peak to valley electricity rates. If the heating mode is controlled by adopting a manual calculation mode, great energy is consumed, and the method is not suitable for all people.
Disclosure of Invention
One technical problem to be solved by one aspect of the present disclosure is to provide a method, a storage medium, and an electric heating temperature controller for saving heating cost by using peak-to-valley electricity price difference, so as to solve the above-mentioned existing technical problems, and achieve the purpose of saving electricity cost by intelligently controlling the heating mode through the temperature controller.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for saving heating cost by using peak-valley electricity price difference comprises the following steps:
presetting a power price peak time period and a power price valley time period according to regional power prices;
judging whether the current heating time is in a valley time period;
if not, heating by adopting a negative tolerance mode, wherein the negative tolerance mode heating is to start a heating program if the monitored temperature is lower than the set standard temperature-first deviation temperature, and stop the heating program if the monitored temperature is higher than the standard temperature in the heating process;
if so, judging whether the residual time length between the current time and the time when the valley time period ends is less than the preheating time length or not;
if not, heating by adopting a positive and negative tolerance mode, wherein the positive and negative tolerance mode heating is to start a heating program if the monitored temperature is lower than the standard temperature and a second deviation temperature, and stop the heating program if the monitored temperature is higher than the standard temperature and the second deviation temperature in the heating process;
if so, heating by adopting a positive tolerance mode, wherein the positive tolerance mode is to start the heating program if the monitored temperature is lower than the standard temperature, and stop the heating program if the monitored temperature is higher than the standard temperature plus a third deviation temperature in the heating process.
In one embodiment, the positive tolerance heating stops the heating process if the monitored temperature is not higher than the standard temperature + the third deviation temperature during the heating process, but the current time has reached the end of the valley period.
In an embodiment, the positive tolerance mode heating is to start a heating program if the monitored temperature is lower than the standard temperature, calculate a remaining time between the current time and the end time of the valley period if the monitored temperature is higher than the standard temperature + the third deviation temperature but the current time does not reach the end time of the estimation period in the heating process, and correct the preheating time, where the preheating time is the last preheating time-the remaining time, and the preheating time is only corrected once in any valley period.
In one embodiment, the positive tolerance heating method stops the heating process and increases the preheating time length if the monitored temperature is not higher than the standard temperature plus the third deviation temperature but the current time reaches the end time of the estimation period, and the time length of each increase is 5-20 minutes.
The maximum value of the preheating time length after the preheating time length is increased is an initial preset value.
In an embodiment, the first offset temperature > the second offset temperature.
In order to achieve the above object, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, wherein the program, when executed by a processor, implements a method for saving heating costs by using a peak-to-valley electricity price difference as described above.
In order to achieve the above object, an embodiment of the present invention further provides a thermostat, which includes a memory, a processor, and a computer program stored in the memory and running on the processor, wherein the processor executes the computer program to implement the method for saving heating cost by using the peak-to-valley electricity price difference.
Compared with the prior art, the method for saving heating cost by using the peak-valley electricity price difference, the storage medium and the temperature controller have the advantages that the most reasonable heating mode can be automatically calculated according to the preset peak-valley electricity price time period, and the low electricity price time period in the valley period is fully utilized for heating, so that the purpose of saving electricity cost under the condition of the same heating effect is achieved. Through test comparison, compared with a constant-temperature heating method, the method can save 12% of electricity charge. The temperature controller operating the method is intelligently controlled after being initially set, manual calculation and control are not needed, the use burden of a user is reduced, and the method is suitable for wide crowds.
Drawings
Fig. 1 is a flow chart of a method for saving heating costs using peak-to-valley electricity price differences according to one aspect of the present disclosure.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
For example, a method for saving heating cost by using peak-valley electricity price difference includes three heating modes:
heating in a negative tolerance mode, wherein the heating in the negative tolerance mode is to start a heating program if the monitored temperature is lower than a set standard temperature-a first deviation temperature, and stop the heating program if the monitored temperature is higher than the standard temperature in the heating process;
heating in a positive and negative tolerance mode, wherein the positive and negative tolerance mode heating is to start a heating program if the monitored temperature is lower than the standard temperature to a second deviation temperature, and stop the heating program if the monitored temperature is higher than the standard temperature plus the second deviation temperature in the heating process;
and heating in a positive tolerance mode, wherein the heating in the positive tolerance mode is to start a heating program if the monitored temperature is lower than the standard temperature, and stop the heating program if the monitored temperature is higher than the standard temperature plus a third deviation temperature in the heating process. Further optimization, if the monitored temperature is higher than the standard temperature and the third deviation temperature in the heating process but the current time does not reach the end time of the estimation time period, calculating the residual time between the current time and the end time of the valley time period, and correcting the preheating time, wherein the preheating time is the last preheating time-residual time; if the monitored temperature is not higher than the standard temperature plus the third deviation temperature in the heating process, but the current time reaches the end time of the estimation time period, stopping the heating program and increasing the preheating time period, wherein the time period increased each time is 5-20 minutes, the maximum value of the preheating time period after the preheating time period is increased is an initial preset value, and the preheating time period is only corrected once in any valley value time period.
As shown in fig. 1, a method for saving heating cost using a difference of peak-to-valley electricity prices includes:
s101, initializing, namely presetting a peak time period and a valley time period of the electricity price according to the regional electricity price, and presetting a standard temperature, a first deviation temperature, a second deviation temperature, a third deviation temperature, a preheating time length and a time length of each increase of the preheating time length;
s102, judging whether the current heating time is in a valley time period;
s103, if not, heating in a negative tolerance mode, and executing S102 after the heating is finished;
s104, if yes, judging whether the residual time length between the current time and the time when the valley time period is finished is smaller than the preheating time length or not;
s105, if not, heating in a positive and negative tolerance mode, and executing S102 after the heating is finished;
and S106, if so, heating in a positive tolerance mode, and executing S102 after the heating is finished.
More specific embodiment:
in order to achieve the above objects, the present invention provides a thermostat, which comprises a memory, a processor and a computer program stored in the memory and running on the processor, wherein the processor executes the computer program to implement the above method for saving heating cost by using peak-to-valley electricity price difference. Wherein the processor is configured to provide computational and control capabilities. The memory provides an environment for the operation of the failover program. The memory includes an internal memory and a nonvolatile storage medium.
The temperature controller further comprises:
the display unit adopts an LCD (liquid crystal display) screen and a backlight source and displays parameters such as measured temperature, time and the like;
the temperature sensor adopts a thermistor to measure temperature;
a button for operating the thermostat;
a clock generation circuit for timing generation of a clock;
the actuator unit is output in a relay form and is used for controlling the starting or stopping of the heating equipment;
a power conversion circuit that converts alternating current, e.g., 220V, to direct current, 5V.
According to the electricity price of a certain region, the preset electricity price peak time period is 6: 00-21: 00, valley period 21: 00-24: 00 and the next day 00: 00-6: 00. the monitored standard temperature was set to 24 degrees, the first deviation temperature was 2 degrees, the second deviation temperature was 1 degree, and the third deviation temperature was 3 degrees. The pre-heating time period was set to 40 minutes, with each 5 minute increase in the pre-heating time period.
Starting the temperature controller to execute the following steps:
s201, if the current time is 7 of 10 months and 1 day: 00, judging the off-valley time period of the current heating time, and executing S202;
s202, heating in a negative tolerance mode, if the current temperature is 23 ℃ and is not less than 22 ℃ (the standard temperature is 24 ℃ to the first deviation temperature is 2 ℃), continuing monitoring, and executing S203;
s203, if the current time is 9 of 10 months and 1 day: 00, judging the off-valley time period of the current heating time, and executing S204;
s204, heating in a negative tolerance mode, if the current temperature is monitored to be 21 ℃, the temperature is less than 22 ℃ (the standard temperature is 24 ℃ to the first deviation temperature is 2 ℃), starting a heating program, monitoring the temperature in real time in the heating process, stopping heating when the monitored temperature is 24.1 ℃, the temperature is greater than the standard temperature by 24 ℃, continuing monitoring, and executing S205;
s205, if the current time is 22 of 10 months and 1 day: 00, judging that the current heating time is a valley time period, wherein the time does not enter a preheating time period 5: 20-6: 00 (40 minutes before preheating period of time 6: 00 at the end of valley period), S206 is executed;
s206, heating in a positive and negative tolerance mode, if the current temperature is 23 ℃ and is not less than 23 (the standard temperature is 24 ℃ to the second deviation temperature is 1 ℃), continuing monitoring, and executing S207;
s207, if the current time is 23 of 10 months and 1 day: 00, judging that the current heating time is a valley time period, wherein the time does not enter a preheating time period 5: 20-6: 00 (40 minutes before preheating period of time 6: 00 at the end of valley period), S208 is executed;
s208, heating by adopting a positive and negative tolerance mode, starting a heating program if the current temperature is monitored to be 22.5 ℃ and the temperature is less than 23 ℃ (the standard temperature is 24 ℃ to the second deviation temperature is 1 ℃), monitoring the temperature in real time in the heating process, stopping heating when the monitored temperature is 25.2 ℃ and the temperature is more than 25 ℃ (the standard temperature is 24 ℃ and the second deviation temperature is 1 ℃), continuing monitoring, and executing S209;
s209, if the current time is 5 of 10 months and 2 days: and 21, judging that the current heating time is a valley time period, and the time enters a preheating time period 5: 20-6: 00 (pre-heating time period 40 minutes of time 6: 00 at the end of valley period), S210 is executed;
s210, heating in a positive tolerance mode, if the current temperature is monitored to be 24 ℃, and the temperature is not less than the standard temperature of 24 ℃, continuing monitoring, and executing S211;
s211, if the current time is 5 of 10 months and 2 days: and 25, judging that the current heating time is a valley time period, and the time enters a preheating time period 5: 20-6: 00 (40 minutes before preheating period of time 6: 00 at the end of valley period), S212 is executed;
s212, heating in a positive tolerance mode, if the current temperature is monitored to be 23.8 degrees, the temperature is smaller than the standard temperature of 24 degrees, starting a heating program, monitoring the temperature in real time in the heating process, if the monitored temperature is 27.2 degrees, the temperature is larger than 27 degrees (the standard temperature is 24 degrees and the third deviation temperature is 3 degrees), stopping heating, and if the current time is 5: 50 end time of not-reached-valley period 6: 00, calculating the time 6 from the current time to the end of the valley period: 00, correcting the preheating time to be 40 minutes of the last preheating time and 10 minutes of the current time, namely the preheating time is 30 minutes, continuing to monitor, and executing S213;
s213, if the current time is 5 of 10 months and 3 days: and 28, judging that the current heating time is a valley time period, and the time does not enter a preheating time period 5: 30-6: 00 (the preheating time before the time 6: 00 for the end of the valley period is 30 minutes), heating by adopting a positive and negative tolerance mode, and executing S214;
s214, if the current time is 5 of 10 months and 3 days: and 31, judging that the current heating time is a valley time period, and the time enters a preheating time period 5: 30-6: 00 (30 minutes before preheating period of time 6: 00 at the end of valley period), S215 is executed;
s215, heating in a positive tolerance mode, if the current temperature is monitored to be 24 ℃, and the temperature is not lower than the standard temperature of 24 ℃, continuing monitoring, and executing S216;
s216, if the current time is 5 of 10 months and 3 days: and 32, judging that the current heating time is a valley time period, and the time enters a preheating time period 5: 30-6: 00 (30 minutes before preheating period of time 6: 00 at the end of valley period), S217 is performed;
and S217, heating in a positive tolerance mode, if the current temperature is monitored to be 23.8 ℃, the temperature is less than the standard temperature of 24 ℃, starting a heating program, monitoring the temperature in real time in the heating process, and if the monitored temperature is 26.5 ℃, the temperature is lower than 27 ℃ (the standard temperature is 24 ℃ and the third deviation temperature is 3 ℃), but the current time is 6: 00, after the peak time period is entered, stopping heating, correcting the preheating time period, increasing the preheating time period by 5 minutes, namely the preheating time period is 35 minutes, continuing monitoring, and executing S218;
s218, if the current time is 5 of 10 months and 4 days: and 26, judging that the current heating time is a valley time period, and the time enters a preheating time period 5: 25-6: 00 (the pre-heating time period of 35 minutes at the time 6: 00 at which the valley period ends), S219 is performed;
s219, heating in a positive tolerance mode, if the current temperature is 23.8 degrees and is lower than the standard temperature of 24 degrees, starting a heating program, monitoring the temperature in real time in the heating process, if the monitored temperature is 27.1 degrees, the temperature is higher than 27 degrees (the standard temperature is 24 degrees and the third deviation temperature is 3 degrees), stopping heating, and if the current time is 5: end time 6 of not-reaching-valley period of 59: 00, calculating the time 6 from the current time to the end of the valley period: and the residual time between 00 is 1 minute, the corrected preheating time is 35 minutes from the last preheating time to 1 minute from the current residual time, namely the preheating time is 34 minutes, and the monitoring is continued.
In order to achieve the above object, the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the above method for saving heating costs using a peak-to-valley electricity rate difference. The storage medium may be a floppy disk, an optical disk, a DVD, a hard disk, a flash memory, a usb disk, etc., and the specific type is not unique.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A method for saving heating cost by using peak-valley electricity price difference is characterized by comprising the following steps:
presetting a power price peak time period and a power price valley time period according to regional power prices;
judging whether the current heating time is in a valley time period;
if not, heating by adopting a negative tolerance mode, wherein the negative tolerance mode heating is to start a heating program if the monitored temperature is lower than the set standard temperature-first deviation temperature, and stop the heating program if the monitored temperature is higher than the standard temperature in the heating process;
if so, judging whether the residual time length between the current time and the time when the valley time period ends is less than the preheating time length or not;
if not, heating by adopting a positive and negative tolerance mode, wherein the positive and negative tolerance mode heating is to start a heating program if the monitored temperature is lower than the standard temperature and a second deviation temperature, and stop the heating program if the monitored temperature is higher than the standard temperature and the second deviation temperature in the heating process;
if so, heating by adopting a positive tolerance mode, wherein the positive tolerance mode is to start the heating program if the monitored temperature is lower than the standard temperature, and stop the heating program if the monitored temperature is higher than the standard temperature plus a third deviation temperature in the heating process.
2. The method for saving heating expenses by using difference of peak-to-valley electricity rates as claimed in claim 1, wherein: and the positive tolerance mode heating stops the heating program if the monitored temperature is not higher than the standard temperature plus the third deviation temperature in the heating process, but the current time reaches the end time of the valley period.
3. The method for saving heating expenses by using difference of peak-to-valley electricity rates as claimed in claim 1, wherein: the heating in the positive tolerance mode is to start a heating program if the monitored temperature is lower than the standard temperature, calculate the residual time between the current time and the end time of the valley period if the monitored temperature is higher than the standard temperature plus the third deviation temperature but the current time does not reach the end time of the estimation period in the heating process, and correct the preheating time, wherein the preheating time is the last preheating time-the residual time, and the preheating time is only corrected once in any valley period.
4. The method for saving heating expenses by using difference of peak-to-valley electricity rates as claimed in claim 3, wherein: and the positive tolerance mode heating stops the heating program and increases the preheating time length if the monitored temperature is not higher than the standard temperature plus the third deviation temperature but the current time reaches the end time of the estimation time period in the heating process.
5. The method for saving heating expenses by using difference of peak-to-valley electricity rates as claimed in claim 4, wherein: and the maximum value of the preheating time length after the preheating time length is increased is an initial preset value.
6. The method for saving heating expenses by using difference of peak-to-valley electricity rates as claimed in claim 1, wherein: the first offset temperature > the second offset temperature.
7. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, is adapted to carry out the method of any one of claims 1-6.
8. A thermostat comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method of any one of claims 1-6 when executing the program.
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