CN114383185B - Method for saving heating cost by using peak-to-valley electricity price difference, storage medium and temperature controller - Google Patents
Method for saving heating cost by using peak-to-valley electricity price difference, storage medium and temperature controller Download PDFInfo
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- CN114383185B CN114383185B CN202011119849.2A CN202011119849A CN114383185B CN 114383185 B CN114383185 B CN 114383185B CN 202011119849 A CN202011119849 A CN 202011119849A CN 114383185 B CN114383185 B CN 114383185B
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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
Abstract
The invention belongs to the technical field of temperature control, and particularly relates to a method for saving heating cost by utilizing 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 valley-period low-electricity-price time period to heat and heat, thereby achieving the purpose of saving electricity charge under the condition of the same heating effect. Through experimental comparison, the method can save 12% of electricity charge by comparing the method with a constant-temperature heating method.
Description
Technical Field
The invention belongs to the technical field of temperature control, and particularly relates to a method for saving heating cost by utilizing peak-to-valley electricity price difference, a storage medium and an electric heating temperature controller.
Background
The peak-valley electricity price, also called as "time-of-use electricity price", is an electricity price system for calculating electricity charge according to peak electricity consumption and valley electricity consumption. The load of the power system is always variable, for example, peak load may occur in the morning and in the dusk, and the load may be in the valley region from 22 late to 6 early.
The electric heating is one of the heating modes commonly used at present, and the existing electric heating temperature control mainly comprises the steps of presetting the temperature, starting heating when the temperature is lower than the preset temperature, and stopping heating when the temperature reaches the preset temperature; and presetting the temperature in a time interval, and starting heating at fixed time. Based on 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 prices. If the heating mode is controlled by adopting a manual calculation mode, great effort is consumed, and the method is not suitable for all people.
Disclosure of Invention
One technical problem to be solved in 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 problem, and achieve the purpose of saving the electricity cost by intelligently controlling the heating mode by the temperature controller.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a method for saving heating cost by using peak-to-valley electricity price difference, comprising:
presetting a peak value period and a valley value period of the electricity price according to the regional electricity price;
judging whether the current heating time is in a valley period or not;
if not, heating in a negative tolerance mode, wherein the heating in the negative tolerance mode is that a heating program is started if the monitored temperature is lower than the set standard temperature-first deviation temperature, and the heating program is stopped if the monitored temperature is higher than the standard temperature in the heating process;
if yes, judging whether the residual duration between the time when the current time interval valley period ends is smaller than the preheating duration;
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-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;
if so, 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 the third deviation temperature in the heating process.
In an embodiment, the heating is performed in a positive tolerance mode, and if the monitored temperature is not higher than the standard temperature and the third deviation temperature, but the current time has reached the end time of the valley period, the heating process is stopped.
In an embodiment, the heating in the positive tolerance manner is to start a heating program if the monitored temperature is lower than the standard temperature, and if the monitored temperature is higher than the standard temperature+the third deviation temperature in the heating process, but the current time does not reach the end time of the estimated time period, calculate the remaining time between the end times of the valley time periods of the current time interval, correct the preheating time period, and correct the preheating time period only once in any valley time period, where the preheating time period is the last preheating time period-the remaining time period.
In an embodiment, the heating is performed in a positive tolerance mode, if the monitored temperature is not higher than the standard temperature and the third deviation temperature, but the current time has reached the end time of the estimated time period, the heating program is stopped and the preheating time period is increased, and the time period of each increase is 5-20 minutes.
The maximum value of the preheating time after the preheating time is increased is the 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 having stored thereon a computer program, wherein the program when executed by a processor implements a method of saving heating costs using peak-to-valley electricity price differences as described above.
In order to achieve the above object, an embodiment of the present invention further provides a temperature controller, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, wherein the processor implements a method for saving heating cost by using peak-to-valley electricity price difference as described above when executing the program.
Compared with the prior art, the method for saving heating cost by utilizing 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 period, and the period of low electricity price 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 experimental comparison, the method can save 12% of electricity charge by comparing the method with a constant-temperature heating method. The temperature controller running the method is intelligently controlled after initial setting, manual calculation and control are not needed, the use burden of a user is reduced, and the method is widely applicable to people.
Drawings
Fig. 1 is a flow chart of a method of saving heating costs using peak-to-valley electricity price differences according to one aspect of the present disclosure.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
For example, a method for saving heating cost by using peak-to-valley electricity price difference comprises 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-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 heating in the positive and negative tolerance mode is to start a heating program if the monitored temperature is lower than the standard temperature-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 the third deviation temperature in the heating process. Further optimizing, if the monitored temperature is higher than the standard temperature plus the third deviation temperature in the heating process, but the current time does not reach the end time of the estimated time period, calculating the residual time length between the end times of the valley time period of the current time interval, and correcting the preheating time length, wherein the preheating time length is the last preheating time length-the residual time length; 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 estimated time period, stopping the heating program and increasing the preheating time period, wherein the time period of each increase is 5-20 minutes, the maximum value of the preheating time period after the preheating time period is increased is the initial preset value, and the preheating time period is only corrected once in any valley time period.
As shown in fig. 1, a method for saving heating expenses using peak-to-valley electricity price difference includes:
s101, initializing, namely presetting a peak value period and a valley value 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 duration and a duration of each increase of the preheating duration;
s102, judging whether the current heating time is in a valley period or not;
s103, if not, heating in a negative tolerance mode, and executing S102 after finishing;
s104, if so, judging whether the residual duration between the time of ending the current time interval valley period is smaller than the preheating duration;
s105, if not, heating in a positive and negative tolerance mode, and executing S102 after finishing;
and S106, if yes, heating by adopting a positive tolerance mode, and executing S102 after finishing heating.
More specific embodiments:
in order to achieve the above object, the present invention provides a thermostat, including a memory, a processor, and a computer program stored in the memory and operable on the processor, wherein the processor implements the above-mentioned method for saving heating costs by using peak-to-valley electricity price difference when executing the program. Wherein the processor is configured to provide computing and control capabilities. The memory provides an environment for the operation of the failover program. The memory includes internal memory and nonvolatile storage media.
The temperature controller also comprises:
the display unit adopts an LCD (liquid crystal display) screen and a backlight source to display parameters such as measured temperature, time and the like;
the temperature sensor adopts a thermistor to measure temperature;
the button is used for operating the temperature controller;
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 heating equipment;
and a power conversion circuit that converts alternating current, such as 220V, to direct current, 5V.
According to the electricity price of a certain area, 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 is set to 24 degrees, the first deviation temperature is 2 degrees, the second deviation temperature is 1 degree, and the third deviation temperature is 3 degrees. The preset preheating time period is 40 minutes, and the preheating time period is increased by 5 minutes each time.
Starting the temperature controller to execute the following steps:
s201, for example, 7 of current time of 10 months and 1 day: 00, judging a non-valley period of the current heating time, and executing S202;
s202, heating by adopting a negative tolerance mode, if the current temperature is monitored to be 23 ℃, the temperature is not less than 22 DEG (standard temperature 24 DEG-first deviation temperature 2 DEG), continuing to monitor, and executing S203;
s203, for example, 9 of current time of 10 months and 1 day: 00, judging a non-valley period of the current heating time, and executing S204;
s204, heating by adopting a negative tolerance mode, if the current temperature is monitored to be 21 ℃, the temperature is less than 22 DEG (standard temperature 24 DEG-first deviation temperature 2 DEG), starting a heating program, monitoring the temperature in real time in the heating process, and when the monitored temperature is 24.1 DEG, the temperature is greater than the standard temperature 24 DEG, stopping heating, continuing to monitor, and executing S205;
s205, for example, 22 of current time of 10 months and 1 day: 00, judging that the current heating time is a valley period, wherein the current heating time does not enter a preheating time period 5:20-6:00 (the pre-heating period of 40 minutes before the time of 6:00 of the end of the valley period), S206 is performed;
s206, heating by adopting a positive and negative tolerance mode, if the current temperature is monitored to be 23 ℃, the temperature is not less than 23 (the standard temperature is 24-the second deviation temperature is 1), continuing to monitor, and executing S207;
s207, for example, 23 when the current time is 10 months 1 day: 00, judging that the current heating time is a valley period, wherein the current heating time does not enter a preheating time period 5:20-6:00 (the pre-heating period of 40 minutes before the time of 6:00 of the end of the valley period), S208 is performed;
s208, heating by adopting a positive and negative tolerance mode, if the current temperature is monitored to be 22.5 ℃, the temperature is less than 23 DEG (standard temperature 24 DEG-second deviation temperature 1 DEG), starting a heating program, monitoring the temperature in real time in the heating process, and when the monitored temperature is 25.2 DEG, stopping heating and continuing to monitor, and executing S209;
s209, for example, the current time is 5 of 10 months and 2 days: 21, judging that the current heating time is a valley period, the time having entered the preheating period 5:20-6:00 (the pre-heating period of 40 minutes before the time of 6:00 of the end of the valley period), S210 is performed;
s210, heating by adopting a positive tolerance mode, if the current temperature is monitored to be 24 ℃, the temperature is not less than the standard temperature by 24 ℃, continuing to monitor, and executing S211;
s211, for example, the current time is 5 of 10 months and 2 days: 25, judging that the current heating time is a valley period, and the time has entered a preheating period 5:20-6:00 (the pre-heating period of 40 minutes before the time of 6:00 of the end of the valley period), S212 is performed;
s212, heating by adopting a positive tolerance mode, for example, monitoring that the current temperature is 23.8 ℃, the temperature is less than the standard temperature by 24 ℃, starting a heating program, monitoring the temperature in real time in the heating process, and stopping heating when the monitored temperature is 27.2 ℃, wherein the temperature is more than 27 ℃ (standard temperature by 24 ℃ plus third deviation temperature by 3 ℃), and the current time is as 5: end time 6 of 50 not reaching the valley period: 00, calculating the time 6 when the current time interval valley period ends: the remaining time period between 00 is 10 minutes, the preheating time period is corrected to be 40 minutes of the last preheating time period-10 minutes of the current remaining time period, namely, the preheating time period is 30 minutes, monitoring is continued, and S213 is executed;
s213, for example, the current time is 5 of 10 months and 3 days: 28, judging that the current heating time is a valley period, and the time does not enter the preheating period 5:30-6:00 (the pre-heating duration of the valley period is 30 minutes before the end of the time 6:00), heating by adopting a positive and negative tolerance mode, and executing S214;
s214, for example, the current time is 5 of 10 months and 3 days: 31, determining that the current heating time is the valley period, the time having entered the preheating period 5:30-6:00 (the pre-heating period of 30 minutes before the time of 6:00 of the end of the valley period), S215 is performed;
s215, heating by adopting a positive tolerance mode, if the current temperature is monitored to be 24 ℃, the temperature is not less than the standard temperature by 24 ℃, continuing to monitor, and executing S216;
s216, for example, the current time is 5 of 10 months and 3 days: 32, judging that the current heating time is a valley period, the time having entered the preheating period 5:30-6:00 (the pre-heating period of 30 minutes before the time of 6:00 of the end of the valley period), S217 is performed;
s217, heating by adopting a positive tolerance mode, for example, monitoring that the current temperature is 23.8 ℃, the temperature is less than the standard temperature by 24 ℃, starting a heating program, monitoring the temperature in real time in the heating process, and when the monitored temperature is 26.5 ℃, the temperature is lower than 27 ℃ (the standard temperature is 24 ℃ plus the third deviation temperature is 3 ℃), wherein the current time is 6:00, stopping heating after the peak period is entered, correcting the preheating time length, increasing the preheating time length by 5 minutes, namely, 35 minutes, continuing monitoring, and executing S218;
s218, for example, the current time is 5 of 10 months and 4 days: 26, judging that the current heating time is a valley period, and the time has entered a preheating period 5:25-6:00 (the pre-heating period of 35 minutes before the time of 6:00 of the end of the valley period), S219 is performed;
s219, heating by adopting a positive tolerance mode, for example, monitoring that the current temperature is 23.8 ℃, the temperature is less than the standard temperature by 24 ℃, starting a heating program, monitoring the temperature in real time in the heating process, and stopping heating when the monitored temperature is 27.1 ℃, wherein the temperature is higher than 27 ℃ (standard temperature by 24 ℃ plus third deviation temperature by 3 ℃), and the current time is as 5:59 does not reach the end time 6 of the valley period: 00, calculating the time 6 when the current time interval valley period ends: and (3) the remaining time between 00 is 1 minute, the modified preheating time is 35 minutes of the last preheating time-1 minute of the remaining 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-described method of saving heating costs using peak-to-valley electricity price differences. The storage medium may specifically be a floppy disk, an optical disk, a DVD, a hard disk, a flash memory, a U-disk, etc., and the specific type is not unique.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 expenses by using peak-to-valley electricity price difference, comprising the steps of:
presetting a peak value period and a valley value period of the electricity price according to the regional electricity price;
judging whether the current heating time is in a valley period or not;
if not, heating in a negative tolerance mode, wherein the heating in the negative tolerance mode is that a heating program is started if the monitored temperature is lower than the set standard temperature-first deviation temperature, and the heating program is stopped if the monitored temperature is higher than the standard temperature in the heating process;
if yes, judging whether the residual duration between the time when the current time interval valley period ends is smaller than the preheating duration;
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-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;
if so, 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 the third deviation temperature in the heating process.
2. The method for saving heating costs by using peak-to-valley electricity price difference according to claim 1, wherein: and heating in the positive tolerance mode, and stopping 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 ending time of the valley period.
3. The method for saving heating costs by using peak-to-valley electricity price difference according to claim 1, wherein: and heating in the positive tolerance mode, namely starting a heating program if the monitored temperature is lower than the standard temperature, and if the monitored temperature is higher than the standard temperature plus the third deviation temperature in the heating process, but the current time does not reach the ending time of the estimated time period, calculating the residual time between the ending times of the valley time periods of the current time interval, correcting the preheating time, wherein the preheating time is the last preheating time-the residual time, and correcting the preheating time only once in any valley time period.
4. The method for saving heating costs using peak-to-valley electricity price difference according to claim 3, wherein: and heating in the positive tolerance mode, and stopping the heating program and increasing the preheating duration 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 estimated time period.
5. The method for saving heating costs using peak-to-valley electricity price difference according to claim 4, wherein: and the maximum value of the preheating time after the preheating time is increased is an initial preset value.
6. The method for saving heating costs by using peak-to-valley electricity price difference according to claim 1, wherein: the first deviation temperature > the second deviation temperature.
7. A computer readable storage medium, on which a computer program is stored, characterized in that the program, when being executed by a processor, implements the method of any 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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| TWI489068B (en) * | 2013-04-03 | 2015-06-21 | 樹德科技大學 | Air-conditioning system integrated with app of smart portable device |
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| CN106678934A (en) * | 2016-12-12 | 2017-05-17 | 张家口市荣胜新能源开发有限公司 | Heating method based on heat accumulating type electromagnetic induction heating device |
| CN109724140B (en) * | 2019-01-22 | 2021-07-13 | 中山市宇信科技有限公司 | Heating system and heating system control method |
| CN110332602A (en) * | 2019-05-09 | 2019-10-15 | 辽宁省鑫源温控技术有限公司 | The electric heating temperature control method of peak valley ordinary telegram valence operation function |
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| DE102014017346A1 (en) * | 2014-10-17 | 2016-04-21 | Carbon-Clean Technologies Gmbh | Method and storage power plant to compensate for load peaks in energy production and / or for the generation of electrical energy |
| WO2017092179A1 (en) * | 2015-12-02 | 2017-06-08 | 宋世海 | Secondary heat exchange and supply system using off-peak electricity for heating and energy storage |
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