CN116085952A - Energy-saving calculation method, energy-saving controller, terminal and medium for split air conditioner - Google Patents
Energy-saving calculation method, energy-saving controller, terminal and medium for split air conditioner Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
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Abstract
The invention discloses a split air conditioner energy saving calculation method, an energy saving controller, a terminal and a medium, comprising the following steps: when a braking signal is received, controlling the split air conditioner to brake, and acquiring the external environment temperature and the target temperature of the braking process of the split air conditioner; the method comprises the steps of monitoring the indoor air temperature of an indoor environment where a split air conditioner is located in real time in a braking process of the split air conditioner so as to form a temperature data set; the temperature data set comprises a plurality of groups of data of which the indoor air temperature corresponds to the braking moment of the split air conditioner one by one; if the current indoor air temperature meets the preset temperature condition, controlling the split air conditioner to enter an energy-saving mode, and calculating to obtain corresponding first energy saving according to a heat balance model algorithm by combining the temperature data set, the current indoor air temperature, the external environment temperature and the target temperature. According to the invention, the energy-saving quantity is accurately calculated through the change condition of the indoor air temperature and the external environment temperature obtained through real-time monitoring, so that the energy-saving effect is intuitively presented.
Description
Technical Field
The invention relates to the field of energy-saving analysis of split air conditioners, in particular to an energy-saving calculation method, an energy-saving controller, a terminal and a medium of a split air conditioner.
Background
With the increasing popularity of air conditioning applications, heating and ventilation equipment has become a consumer of energy. In order to further respond to the basic national policy of energy conservation and emission reduction, protect the environment, promote the sustainable development of national economy, and take the energy conservation problem into account in the aspects of design, operation and the like of an air conditioning system, so as to continuously improve the energy conservation design level and the energy conservation operation management level of the air conditioning system, adopt various energy conservation measures in the process of using the air conditioner, reduce the operation energy consumption and the cost of the air conditioning system and improve the energy conservation effect of the air conditioning system.
In an air conditioning system, an energy-saving controller is generally designed to manage an air conditioning apparatus for energy-saving operation. At present, although the types of energy-saving controllers of air conditioners are numerous in market, various energy-saving control means are different, the problem exists that the effect brought by the energy-saving controllers in the use process cannot be quantified, the energy-saving quantity cannot be counted quantitatively, the actual energy-saving effect is difficult to evaluate, and the popularization of energy-saving projects is hindered.
Disclosure of Invention
The invention provides an energy-saving amount calculating method, an energy-saving controller, a terminal and a medium for a split air conditioner, which are used for accurately calculating the energy-saving amount of the split air conditioner under the control of the energy-saving controller so as to intuitively present the energy-saving effect of the energy-saving controller.
In order to solve the above technical problems, an embodiment of the present invention provides a method for calculating energy saving of a split air conditioner, including:
when a braking signal is received, controlling the split air conditioner to brake, and acquiring the external environment temperature and the target temperature of the braking process of the split air conditioner;
in the braking process of the split air conditioner, monitoring the indoor air temperature of the indoor environment where the split air conditioner is positioned in real time to form a temperature data set; the temperature data set comprises a plurality of groups of data of one-to-one correspondence between indoor air temperature and split air conditioner braking time;
and if the current indoor air temperature meets the preset temperature condition, controlling the split air conditioner to enter an energy-saving mode so as to enable the indoor air temperature of the indoor environment where the split air conditioner is located to be kept unchanged, and calculating corresponding first energy saving by utilizing the temperature data set and combining the current indoor air temperature, the external environment temperature and the target temperature according to a preset thermal balance model algorithm.
After receiving a braking signal sent by a user through a remote controller or other air conditioner control equipment, the embodiment of the invention controls the split air conditioner to perform corresponding braking, acquires the external environment temperature in real time, monitors the indoor air temperature of the indoor environment where the split air conditioner is positioned in real time in the braking process to form a temperature data set, provides visual data for subsequent management, accurately calculates the first energy saving in the use process of the energy saving controller according to the indoor air temperature at the current moment and the temperature data set, the external environment temperature and the target temperature when the indoor air temperature meets the preset energy saving condition, and realizes quantification of the energy saving effect, thereby presenting the energy saving effect of the split air conditioner in real time and intuitively for management personnel or users and bringing great benefits to popularization of the energy saving controller.
As a preferred scheme, the thermal balance model algorithm specifically comprises:
wherein T (tau) is the indoor air temperature of the split air conditioner at tau moment in the braking process, te is the external environment temperature, T (0) is the indoor air temperature of the split air conditioner at the beginning of braking, UA is the heat transfer coefficient of an enclosure structure of the indoor environment where the split air conditioner is positioned, mc is the heat capacity of the indoor environment where the split air conditioner is positioned, and Q is the heat supply or cold supply of the split air conditioner in the braking process.
By implementing the preferred scheme of the embodiment of the invention, the heat transfer coefficient, the heat capacity, the energy of the split air conditioner in the braking process and other environmental parameters of the enclosure structure of the indoor environment where the split air conditioner is positioned are comprehensively considered, and a heat balance model algorithm is constructed so as to improve the calculation accuracy of the energy conservation.
As a preferred solution, if the current indoor air temperature meets a preset temperature condition, the split air conditioner is controlled to enter an energy-saving mode, so that the indoor air temperature of the indoor environment where the split air conditioner is located is maintained unchanged, and according to a preset thermal balance model algorithm, a corresponding first energy saving is calculated by using the temperature dataset and combining the current indoor air temperature, the external environment temperature and the target temperature, specifically:
if the current indoor air temperature meets a preset temperature condition, controlling the split air conditioner to enter an energy-saving mode so as to enable the indoor air temperature of the indoor environment where the split air conditioner is located to be kept unchanged, and analyzing and obtaining a first environmental parameter of the indoor environment where the split air conditioner is located according to the temperature data set and the external environment temperature according to a preset thermal balance model algorithm;
selecting the indoor air temperature of the split air conditioner at the start of braking from the temperature data set as an initial indoor temperature, and calculating the corresponding first energy saving according to a preset energy saving algorithm by combining the first environment parameter, the initial indoor temperature, the external environment temperature, the target temperature and the indoor air temperature meeting preset temperature conditions;
the first environment parameter comprises a ratio of energy supply of the split air conditioner in a braking process to a heat transfer coefficient of an enclosure structure of an indoor environment where the split air conditioner is located.
According to the preferred scheme of the embodiment of the invention, based on the temperature data set acquired in real time in the braking process of the split air conditioner and the external environment temperature, the ratio of the energy supply of the split air conditioner to the heat transfer coefficient of the enclosure structure of the indoor environment where the split air conditioner is positioned in the braking process is obtained through analysis, and according to the ratio, the corresponding first energy saving is obtained through calculation by combining the indoor air temperature of the split air conditioner at the beginning of the braking, the indoor air temperature meeting the preset temperature condition and the target temperature, so that the influence of environmental factors on the braking process of the split air conditioner is fully analyzed, and the calculation accuracy of the energy saving is further improved.
As a preferred solution, the method for calculating energy saving of a split air conditioner further includes:
according to the thermal balance model algorithm, analyzing and obtaining a second environmental parameter of the indoor environment where the split air conditioner is located according to the temperature data set and the external environment temperature;
based on the second environmental parameter and the external environmental temperature, predicting the running time spent by the indoor air temperature of the split air conditioner to be adjusted to a preset first temperature in the braking process under the condition of the second environmental parameter, and calculating the corresponding second energy saving amount according to the running time;
the second environmental parameters comprise a ratio of energy supply of the split air conditioner in a braking process to a heat transfer coefficient of an enclosure structure of an indoor environment where the split air conditioner is located and a ratio of the heat transfer coefficient of the enclosure structure of the indoor environment where the split air conditioner is located to a heat capacity of the indoor environment where the split air conditioner is located.
According to the preferred scheme of the embodiment of the invention, the second environmental parameter of the indoor environment where the split air conditioner is located is obtained through analysis according to a thermal balance model algorithm, so that the time taken for the indoor air temperature to rise or fall to the preset first temperature in the process of braking the split air conditioner under the environmental condition of the second environmental parameter is predicted, the corresponding second energy saving amount is calculated, and the diversified calculation of the energy saving amount is realized.
In order to solve the same technical problem, an embodiment of the present invention further provides an energy-saving controller, including:
the data acquisition system is used for controlling the split air conditioner to brake when receiving a brake signal and acquiring the external environment temperature and the target temperature of the braking process of the split air conditioner;
the temperature monitoring system is used for monitoring the indoor air temperature of the indoor environment where the split air conditioner is positioned in real time in the braking process of the split air conditioner so as to form a temperature data set; the temperature data set comprises a plurality of groups of data of one-to-one correspondence between indoor air temperature and split air conditioner braking time;
and the first energy saving computing system is used for controlling the split air conditioner to enter an energy saving mode if the current indoor air temperature meets a preset temperature condition so as to keep the indoor air temperature of the indoor environment where the split air conditioner is positioned unchanged, and computing the corresponding first energy saving by utilizing the temperature data set and combining the current indoor air temperature, the external environment temperature and the target temperature according to a preset thermal balance model algorithm.
As a preferred scheme, the thermal balance model algorithm specifically comprises:
wherein T (tau) is the indoor air temperature of the split air conditioner at tau moment in the braking process, te is the external environment temperature, T (0) is the indoor air temperature of the split air conditioner at the beginning of braking, UA is the heat transfer coefficient of an enclosure structure of the indoor environment where the split air conditioner is positioned, mc is the heat capacity of the indoor environment where the split air conditioner is positioned, and Q is the heat supply or cold supply of the split air conditioner in the braking process.
Preferably, the first energy saving computing system specifically includes:
the mode adjusting unit is used for controlling the split air conditioner to enter an energy-saving mode if the current indoor air temperature meets a preset temperature condition, so that the indoor air temperature of the indoor environment where the split air conditioner is located is kept unchanged, and analyzing and obtaining a first environmental parameter of the indoor environment where the split air conditioner is located according to the temperature data set and the external environment temperature according to a preset thermal balance model algorithm; the first environment parameter comprises a ratio of energy supply of the split air conditioner in a braking process to a heat transfer coefficient of an enclosure structure of an indoor environment where the split air conditioner is located;
the energy-saving amount calculation unit is used for selecting the indoor air temperature of the split air conditioner when starting braking from the temperature data set as an initial indoor temperature, and calculating the corresponding first energy saving amount according to a preset energy-saving amount algorithm by combining the first environment parameter, the initial indoor temperature, the external environment temperature, the target temperature and the indoor air temperature meeting preset temperature conditions.
Preferably, the energy-saving controller further comprises:
the second energy-saving calculation system is used for analyzing and obtaining second environmental parameters of the indoor environment where the split air conditioner is located according to the temperature data set and the external environment temperature according to the heat balance model algorithm; based on the second environmental parameter and the external environmental temperature, predicting the running time spent by the indoor air temperature of the split air conditioner to be adjusted to a preset first temperature in the braking process under the condition of the second environmental parameter, and calculating the corresponding second energy saving amount according to the running time; the second environmental parameters comprise a ratio of energy supply of the split air conditioner in a braking process to a heat transfer coefficient of an enclosure structure of an indoor environment where the split air conditioner is located and a ratio of the heat transfer coefficient of the enclosure structure of the indoor environment where the split air conditioner is located to a heat capacity of the indoor environment where the split air conditioner is located.
In order to solve the same technical problems, the invention also provides a terminal which comprises a processor, a memory and a computer program stored in the memory; wherein the computer program is executable by the processor to implement the split air conditioner energy saving calculation method.
To solve the same technical problem, the present invention also provides a computer-readable storage medium including a stored computer program; and controlling the equipment where the computer readable storage medium is located to execute the split air conditioner energy saving calculation method when the computer program runs.
Drawings
Fig. 1: the flow diagram of the energy-saving calculation method of the split air conditioner is provided for the first embodiment of the invention;
fig. 2: a schematic structural diagram of an energy-saving controller according to a first embodiment of the present invention is provided;
fig. 3: the first embodiment of the invention provides a schematic structural diagram of an energy-saving controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1, in order to provide a method for calculating energy saving of a split air conditioner according to an embodiment of the present invention, the method includes steps S1 to S3, and the steps are as follows:
step S1, when a braking signal is received, the energy-saving controller controls the split air conditioner to brake and obtains the external environment temperature Te and the target temperature T of the braking process of the split air conditioner g 。
In this embodiment, the energy-saving controller monitors the user behavior in real time, and the user may control and adjust the braking process of the split air conditioner through a remote controller paired with the split air conditioner or a control key provided on the outer surface of the split air conditioner.
Note that, referring to fig. 2, the energy-saving controller MCU includes: the system comprises a power management module, an infrared monitoring module, an electric quantity metering module, a temperature adjusting module, a temperature monitoring module, an indication display module, an RTC clock module and a communication module. The power management module is used for providing electric energy for the energy-saving controller; the infrared monitoring module is used for monitoring infrared information sent by a user through the infrared remote controller so as to determine the running mode and the target temperature of the split air conditioner; the electric quantity metering module is used for monitoring and recording the electric quantity of the split air conditioner in real time; the temperature adjusting module is used for adaptively adjusting the refrigerating or heating process of the split air conditioner according to the information acquired by the infrared monitoring module in real time, so that the temperature adjustment is realized; the temperature monitoring module is used for monitoring and recording the indoor air temperature of the indoor environment where the split air conditioner is located in real time; the indication display module is used for displaying information such as the current running mode, the target temperature, the external environment temperature and the like of the split air conditioner in real time; the RTC clock module is used for providing accurate time information for the energy-saving controller; and the communication module is used for establishing a communication channel between the energy-saving controller and the server, and the communication mode can be adjusted according to actual user requirements and application scenes, and comprises, but is not limited to, 4G, wifi and Ethernet.
Step S2, in the braking process of the split air conditioner, the energy-saving controller monitors the indoor air temperature T (tau) of the indoor environment where the split air conditioner is positioned in real time to form a temperature data set for describing the condition that the indoor air temperature changes along with the time change; the temperature data set comprises a plurality of groups of data of one-to-one correspondence between indoor air temperature and braking time of the split air conditioner.
Step S3, if the current indoor air temperature T (tau) meets the preset temperature condition, the energy-saving controller controls the split air conditioner to enter an energy-saving mode so as to keep the indoor air temperature T (tau) of the indoor environment where the split air conditioner is positioned unchanged, and utilizes a temperature data set to combine the current indoor air temperature, the external environment temperature Te and the target temperature T according to a preset thermal balance model algorithm g And calculating to obtain the corresponding first energy.
As a preferable scheme, the construction flow of the thermal balance model algorithm in the step S3 includes steps S01 to S02, and the steps are specifically as follows:
in step S01, neglecting the thermal inertia of the air conditioning heater, the temperature sensor, etc., it is assumed that the air temperatures of the points in the room where the split air conditioner is located are the same, and a balanced "room heat storage=instantaneous room heat gain" is obtained, i.e., see formula (1):
wherein mc represents the heat capacity of the room where the split air conditioner is located and the air, equipment and the like in the room, namely the sum of products of specific heat capacity and mass, and the unit is J/K; t represents the temperature of air in a room in units of DEG C; τ represents the time of day in s; q represents the heat of a room except for wall heat transfer, namely the heat supply or the cold supply of the split air conditioner in the braking process, the refrigeration of the split air conditioner is negative, the heat of the split air conditioner is positive, and the unit is W; UA represents the heat transfer coefficient of the enclosure structure in the room where the split air conditioner is located, namely the product of the external surface area and the heat transfer coefficient of unit area, and the unit is W/K; te represents the ambient temperature in degrees Celsius.
In step S02, assuming that the parameters of the formula (1) other than the room air temperature T are constant, a simplified solution-thermal equilibrium model algorithm of the formula (1) can be obtained, see, in particular, the formula (2).
Wherein T (tau) is the indoor air temperature of the split air conditioner at tau moment in the braking process, te is the external environment temperature, T (0) is the indoor air temperature of the split air conditioner at the beginning of braking, UA is the heat transfer coefficient of an enclosure structure of the indoor environment where the split air conditioner is positioned, mc is the heat capacity of the indoor environment where the split air conditioner is positioned, and Q is the heat supply or cold supply of the split air conditioner in the braking process.
Preferably, step S3 includes steps S31 to S33, and each step is specifically as follows:
step S31, if the current indoor air temperature T (tau) meets the preset temperature condition, the split air conditioner is controlled to enter an energy-saving mode, so that the indoor air temperature T (tau) of the indoor environment where the split air conditioner is located is kept unchanged.
As an example, when the split air conditioner is in the cooling mode, the preset temperature condition corresponding to the energy saving mode is T (τ) less than 27 ℃. If the current indoor air temperature T (tau) is less than 27 ℃, an energy-saving control instruction is started, and the split air conditioner and the energy-saving controller enter an energy-saving mode so as to keep the air temperature T (tau) in the room at the constant temperature of 27 ℃.
Step S32, according to a preset heat balance model algorithm, according to a temperature data set and an external environment temperature Te, analyzing to obtain a first environment parameter of an indoor environment where the split air conditioner is located; the first environmental parameter comprises a ratio of energy supply Q of the split air conditioner in a braking process to a heat transfer coefficient UA of an enclosure structure of an indoor environment where the split air conditioner is located.
In this embodiment, it is assumed that the split air conditioner is a constant-frequency air conditioner, the temperature of the room immediately after the start of the split air conditioner is 30 ℃, the temperature of the room outside is 35 ℃, and according to the temperature data set obtained in the monitoring process, the room temperature is 27 ℃ after the split air conditioner is started for 10 minutes, and the room temperature is 25 ℃ after the split air conditioner is started for 20 minutes. Substituting the data into formula (2) to obtain formulas (3) and (4), and calculating the first environmental parameters by combining formulas (3) and (4)
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Step S33, selecting the indoor air temperature of the split air conditioner when starting braking from the temperature data set as an initial indoor temperature T (0), and combining the first environmental parameters according to a preset energy-saving algorithm
Initial indoor temperature T (0), external ambient temperature Te, target temperature T g And the indoor air temperature T (tau) meeting the preset temperature condition is calculated to obtain the corresponding first energy saving.
As an example, if the indoor air temperature is maintained at 27 ℃, the cooling parameters of the split air conditioner are as follows
If the indoor air isThe temperature is maintained at 25 ℃, and the refrigeration parameters of the split air conditioner are that
Therefore, if the temperature is set at the outdoor temperature (35 ℃), the initial indoor temperature (30 ℃) and the condition of the enclosure structure is fixed,
if the total time length is one hour from starting up to maintaining the temperature of 27 ℃, the required cooling capacity Q is maintained at the temperature of 50 minutes and 10 minutes 1 Please see formula (5).
Q 1 ＝-14*UA*600-8*UA*3000＝-32400UA (5)
If the total time is one hour from starting up to maintaining 25 ℃, including 20 minutes and 40 minutes, the required cooling capacity Q 2 Please see formula (6).
Q 2 ＝-14*UA*1200-10*UA*2400＝-40800UA (6)
Please refer to equation (7), calculate the first energy S 1 。
In summary, the amount of cooling required for setting at 25 ℃ is 26% greater than that required for setting at 27 ℃, i.e., 26% more power is consumed.
After the first energy is calculated, the first energy can be uploaded to the server in real time and displayed on a display screen of the split air conditioner in real time.
As a preferred solution, the method for calculating the energy saving of the split air conditioner provided by the embodiment of the invention further includes steps S4 to S5, and each step is specifically as follows:
step S4, analyzing and obtaining second environmental parameters of the indoor environment where the split air conditioner is located according to a preset thermal balance model algorithm and according to the temperature data set and the external environment temperature Te; the second environmental parameters include a ratio of energy supply Q of the split air conditioner in a braking process to a heat transfer coefficient UA of an enclosure structure of an indoor environment where the split air conditioner is located, and a ratio of the heat transfer coefficient UA of the enclosure structure of the indoor environment where the split air conditioner is located to a heat capacity mc of the indoor environment where the split air conditioner is located.
Step S5, based on the second environmental parameter and the external environmental temperature, predicting the running time spent by the indoor air temperature of the split air conditioner to be adjusted to the preset first temperature in the braking process under the condition of the second environmental parameter, and calculating the corresponding second energy saving amount S according to the running time 2 。
In this embodiment, the integrated values (3) (4) are calculated
If the running time tau spent by the indoor air temperature in the room of the split air conditioner falling from the initial indoor temperature of 30 ℃ to the first temperature of 28 ℃ is reached, the corresponding second energy saving S is calculated according to the running time tau 2 。
Referring to fig. 3, a schematic structural diagram of an energy-saving controller according to an embodiment of the present invention is provided, where the energy-saving controller includes a data acquisition system M1, a temperature monitoring system M2, and a first energy-saving computing system M3, and each module is specifically as follows:
the data acquisition system M1 is used for controlling the split air conditioner to brake when receiving a brake signal and acquiring the external environment temperature and the target temperature of the braking process of the split air conditioner;
the temperature monitoring system M2 is used for monitoring the indoor air temperature of the indoor environment where the split air conditioner is positioned in real time in the braking process of the split air conditioner so as to form a temperature data set; the temperature data set comprises a plurality of groups of data of which the indoor air temperature corresponds to the braking moment of the split air conditioner one by one;
and the first energy saving computing system M3 is used for controlling the split air conditioner to enter an energy saving mode if the current indoor air temperature meets the preset temperature condition so as to keep the indoor air temperature of the indoor environment where the split air conditioner is positioned unchanged, and calculating the corresponding first energy saving by utilizing the temperature data set and combining the current indoor air temperature, the external environment temperature and the target temperature according to a preset heat balance model algorithm.
As a preferred scheme, the thermal balance model algorithm is specifically:
wherein T (tau) is the indoor air temperature of the split air conditioner at tau moment in the braking process, te is the external environment temperature, T (0) is the indoor air temperature of the split air conditioner at the beginning of braking, UA is the heat transfer coefficient of an enclosure structure of the indoor environment where the split air conditioner is positioned, mc is the heat capacity of the indoor environment where the split air conditioner is positioned, and Q is the heat supply or cold supply of the split air conditioner in the braking process.
As a preferred embodiment, the first energy saving computing system M3 specifically includes a mode adjusting unit 31 and an energy saving amount computing unit 32, each of which specifically includes:
the mode adjusting unit 31 is configured to control the split air conditioner to enter an energy-saving mode if the current indoor air temperature meets a preset temperature condition, so that the indoor air temperature of the indoor environment where the split air conditioner is located is kept unchanged, and according to a preset thermal balance model algorithm, obtain a first environmental parameter of the indoor environment where the split air conditioner is located by analysis according to a temperature data set and an external environmental temperature; the first environment parameter comprises a ratio of energy supply of the split air conditioner in a braking process to a heat transfer coefficient of an enclosure structure of an indoor environment where the split air conditioner is positioned;
the energy-saving calculation unit 32 is configured to select, from the temperature data set, an indoor air temperature of the split air conditioner at the time of starting braking as an initial indoor temperature, and calculate, according to a preset energy-saving algorithm, a corresponding first energy saving by combining the first environmental parameter, the initial indoor temperature, the external environmental temperature, the target temperature, and the indoor air temperature satisfying a preset temperature condition.
As a preferred solution, referring to fig. 3, the energy saving controller provided in the embodiment of the present invention further includes a second energy saving computing system M4, where the modules specifically include:
the second energy-saving computing system M4 is used for analyzing and obtaining second environmental parameters of the indoor environment where the split air conditioner is located according to a preset heat balance model algorithm, a temperature data set and the external environment temperature; based on the second environmental parameter and the external environmental temperature, predicting the running time spent by the indoor air temperature of the split air conditioner in the braking process under the condition of the second environmental parameter to be adjusted to the preset first temperature, and calculating the corresponding second energy saving energy according to the running time; the second environmental parameters comprise the ratio of the energy supply of the split air conditioner to the heat transfer coefficient of the enclosure structure of the indoor environment where the split air conditioner is positioned in the braking process and the ratio of the heat transfer coefficient of the enclosure structure of the indoor environment where the split air conditioner is positioned to the heat capacity of the indoor environment where the split air conditioner is positioned.
It will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working process of the energy-saving controller described above may refer to the corresponding process in the foregoing method embodiment, which is not repeated herein.
Additionally, embodiments of the present invention also provide a computer-readable storage medium including a stored computer program; wherein, when the computer program runs, the device where the computer readable storage medium is located is controlled to execute the energy saving calculation method of the split air conditioner in the first embodiment.
Additionally, the embodiment of the invention also provides a terminal, which comprises a processor, a memory and a computer program stored in the memory; the computer program can be executed by a processor to implement the energy saving calculation method of the split air conditioner according to the first embodiment.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
the invention provides an energy-saving calculation method, an energy-saving controller, a terminal and a medium for a split air conditioner, which are used for controlling the split air conditioner to perform corresponding braking after receiving a braking signal sent by a user through a remote controller or other air conditioner control equipment, acquiring the external environment temperature in real time, monitoring the indoor air temperature of the indoor environment where the split air conditioner is positioned in real time in the braking process to form a temperature data set, providing visual data for subsequent management, accurately calculating the first energy saving in the use process of the controller according to the indoor air temperature at the current moment, the temperature data set, the external environment temperature and the target temperature when the indoor air temperature meets the preset energy-saving condition, and realizing quantification of the energy-saving effect, thereby providing great benefits for the popularization of the energy-saving controller by presenting the energy-saving effect of the split air conditioner in real time and intuitively for management personnel or users.
Further, environmental parameters such as heat transfer coefficient, heat capacity and energy of the split air conditioner in the braking process of the enclosure structure of the indoor environment where the split air conditioner is located are comprehensively considered, and a heat balance model algorithm is constructed so as to improve the calculation accuracy of energy conservation.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present invention, and are not to be construed as limiting the scope of the invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. The energy-saving calculation method of the split air conditioner is characterized by comprising the following steps of:
when a braking signal is received, controlling the split air conditioner to brake, and acquiring the external environment temperature and the target temperature of the braking process of the split air conditioner;
in the braking process of the split air conditioner, monitoring the indoor air temperature of the indoor environment where the split air conditioner is positioned in real time to form a temperature data set; the temperature data set comprises a plurality of groups of data of one-to-one correspondence between indoor air temperature and split air conditioner braking time;
and if the current indoor air temperature meets the preset temperature condition, controlling the split air conditioner to enter an energy-saving mode so as to enable the indoor air temperature of the indoor environment where the split air conditioner is located to be kept unchanged, and calculating corresponding first energy saving by utilizing the temperature data set and combining the current indoor air temperature, the external environment temperature and the target temperature according to a preset thermal balance model algorithm.
2. The energy saving calculation method of the split air conditioner according to claim 1, wherein the heat balance model algorithm specifically comprises:
wherein T (tau) is the indoor air temperature of the split air conditioner at tau moment in the braking process, te is the external environment temperature, T (0) is the indoor air temperature of the split air conditioner at the beginning of braking, UA is the heat transfer coefficient of an enclosure structure of the indoor environment where the split air conditioner is positioned, mc is the heat capacity of the indoor environment where the split air conditioner is positioned, and Q is the heat supply or cold supply of the split air conditioner in the braking process.
3. The method for calculating energy saving of split air conditioner according to claim 1, wherein if the current indoor air temperature meets a preset temperature condition, the split air conditioner is controlled to enter an energy saving mode so as to maintain the indoor air temperature of the indoor environment where the split air conditioner is located unchanged, and according to a preset thermal balance model algorithm, the corresponding first energy saving is calculated by using the temperature data set and combining the current indoor air temperature, the external environment temperature and the target temperature, specifically:
if the current indoor air temperature meets a preset temperature condition, controlling the split air conditioner to enter an energy-saving mode so as to enable the indoor air temperature of the indoor environment where the split air conditioner is located to be kept unchanged, and analyzing and obtaining a first environmental parameter of the indoor environment where the split air conditioner is located according to the temperature data set and the external environment temperature according to a preset thermal balance model algorithm;
selecting the indoor air temperature of the split air conditioner at the start of braking from the temperature data set as an initial indoor temperature, and calculating the corresponding first energy saving according to a preset energy saving algorithm by combining the first environment parameter, the initial indoor temperature, the external environment temperature, the target temperature and the indoor air temperature meeting preset temperature conditions;
the first environment parameter comprises a ratio of energy supply of the split air conditioner in a braking process to a heat transfer coefficient of an enclosure structure of an indoor environment where the split air conditioner is located.
4. The split air conditioner energy saving calculation method as set forth in claim 1, further comprising:
according to the thermal balance model algorithm, analyzing and obtaining a second environmental parameter of the indoor environment where the split air conditioner is located according to the temperature data set and the external environment temperature;
based on the second environmental parameter and the external environmental temperature, predicting the running time spent by the indoor air temperature of the split air conditioner to be adjusted to a preset first temperature in the braking process under the condition of the second environmental parameter, and calculating the corresponding second energy saving amount according to the running time;
the second environmental parameters comprise a ratio of energy supply of the split air conditioner in a braking process to a heat transfer coefficient of an enclosure structure of an indoor environment where the split air conditioner is located and a ratio of the heat transfer coefficient of the enclosure structure of the indoor environment where the split air conditioner is located to a heat capacity of the indoor environment where the split air conditioner is located.
5. An energy-saving controller, characterized by further comprising:
the data acquisition system is used for controlling the split air conditioner to brake when receiving a brake signal and acquiring the external environment temperature and the target temperature of the braking process of the split air conditioner;
the temperature monitoring system is used for monitoring the indoor air temperature of the indoor environment where the split air conditioner is positioned in real time in the braking process of the split air conditioner so as to form a temperature data set; the temperature data set comprises a plurality of groups of data of one-to-one correspondence between indoor air temperature and split air conditioner braking time;
and the first energy saving computing system is used for controlling the split air conditioner to enter an energy saving mode if the current indoor air temperature meets a preset temperature condition so as to keep the indoor air temperature of the indoor environment where the split air conditioner is positioned unchanged, and computing the corresponding first energy saving by utilizing the temperature data set and combining the current indoor air temperature, the external environment temperature and the target temperature according to a preset thermal balance model algorithm.
6. The energy-saving controller according to claim 5, wherein the thermal balance model algorithm is specifically:
wherein T (tau) is the indoor air temperature of the split air conditioner at tau moment in the braking process, te is the external environment temperature, T (0) is the indoor air temperature of the split air conditioner at the beginning of braking, UA is the heat transfer coefficient of an enclosure structure of the indoor environment where the split air conditioner is positioned, mc is the heat capacity of the indoor environment where the split air conditioner is positioned, and Q is the heat supply or cold supply of the split air conditioner in the braking process.
7. The energy conservation controller of claim 5, wherein the first energy conservation computing system comprises:
the mode adjusting unit is used for controlling the split air conditioner to enter an energy-saving mode if the current indoor air temperature meets a preset temperature condition, so that the indoor air temperature of the indoor environment where the split air conditioner is located is kept unchanged, and analyzing and obtaining a first environmental parameter of the indoor environment where the split air conditioner is located according to the temperature data set and the external environment temperature according to a preset thermal balance model algorithm; the first environment parameter comprises a ratio of energy supply of the split air conditioner in a braking process to a heat transfer coefficient of an enclosure structure of an indoor environment where the split air conditioner is located;
the energy-saving amount calculation unit is used for selecting the indoor air temperature of the split air conditioner when starting braking from the temperature data set as an initial indoor temperature, and calculating the corresponding first energy saving amount according to a preset energy-saving amount algorithm by combining the first environment parameter, the initial indoor temperature, the external environment temperature, the target temperature and the indoor air temperature meeting preset temperature conditions.
8. The energy conservation controller of claim 5, further comprising:
the second energy-saving calculation system is used for analyzing and obtaining second environmental parameters of the indoor environment where the split air conditioner is located according to the temperature data set and the external environment temperature according to the heat balance model algorithm; based on the second environmental parameter and the external environmental temperature, predicting the running time spent by the indoor air temperature of the split air conditioner to be adjusted to a preset first temperature in the braking process under the condition of the second environmental parameter, and calculating the corresponding second energy saving amount according to the running time; the second environmental parameters comprise a ratio of energy supply of the split air conditioner in a braking process to a heat transfer coefficient of an enclosure structure of an indoor environment where the split air conditioner is located and a ratio of the heat transfer coefficient of the enclosure structure of the indoor environment where the split air conditioner is located to a heat capacity of the indoor environment where the split air conditioner is located.
9. A terminal comprising a processor, a memory and a computer program stored in the memory; wherein the computer program is executable by the processor to implement a split air conditioner energy saving calculation method as claimed in any one of claims 1 to 4.
10. A computer readable storage medium, wherein the computer readable storage medium comprises a stored computer program; wherein the computer program, when executed, controls the apparatus in which the computer-readable storage medium is located to execute a split air-conditioner energy saving calculation method as set forth in any one of claims 1 to 4.
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