CN107917502B - Solar air conditioner control method and solar air conditioner - Google Patents
Solar air conditioner control method and solar air conditioner Download PDFInfo
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- CN107917502B CN107917502B CN201711118243.5A CN201711118243A CN107917502B CN 107917502 B CN107917502 B CN 107917502B CN 201711118243 A CN201711118243 A CN 201711118243A CN 107917502 B CN107917502 B CN 107917502B
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Abstract
The invention discloses a solar air conditioner control method and a solar air conditioner, wherein the solar air conditioner comprises a solar power supply assembly, a commercial power supply assembly, a refrigerant circulation assembly and an energy storage assembly; the control method of the solar air conditioner comprises the following steps: obtaining a first predicted intensity of effective light received by the solar power supply assembly within a first preset time period after the current moment; comparing the first predicted intensity with a first preset intensity; and when the first predicted intensity is smaller than a first preset intensity, controlling the energy storage assembly to store energy so that the energy storage assembly compensates the refrigerating capacity or the heating capacity of the refrigerant circulation assembly within the first preset time period. The technical scheme of the invention improves the energy-saving effect of the solar air conditioner.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a solar air conditioner control method and a solar air conditioner.
Background
In the solar air conditioner, in order to make up for the deficiency of solar energy power supply, the storage battery is matched with the power supply. Under the condition of enough light, the solar energy supplies power to refrigerate or heat, and simultaneously, the solar energy also supplies power to the storage battery; when the light is insufficient, the storage battery supplies power to refrigerate or heat. That is, in the conventional solar air conditioner, solar energy that is excessive when the light is sufficient is stored by the storage battery and is used for power supply when the light is insufficient. However, the cost of the storage battery is high, the environmental pollution is serious, the service life of the storage battery is easily and rapidly reduced due to multiple charging and discharging, and the energy-saving effect of the solar air conditioner is poor due to the defects of the storage battery.
Disclosure of Invention
The invention mainly aims to provide a control method of a solar air conditioner, which aims to solve the problems of high cost, heavy pollution and short service life of a storage battery in the solar air conditioner and improve the energy-saving effect of the solar air conditioner.
In order to achieve the purpose, the invention provides a control method of a solar air conditioner, wherein the solar air conditioner comprises a solar power supply assembly, a commercial power supply assembly, a refrigerant circulation assembly and an energy storage assembly;
the control method of the solar air conditioner comprises the following steps:
obtaining a first predicted intensity of effective light received by the solar power supply assembly within a first preset time period after the current moment;
comparing the first predicted intensity with a first preset intensity;
and when the first predicted intensity is smaller than a first preset intensity, controlling the energy storage assembly to store energy so that the energy storage assembly compensates the refrigerating capacity or the heating capacity of the refrigerant circulation assembly within the first preset time period.
Optionally, after the step of comparing the first predicted intensity with the first preset intensity, the solar air conditioner control method further includes the steps of:
when the first predicted intensity is greater than or equal to a first preset intensity, acquiring the current energy storage amount of the energy storage assembly;
comparing the current stored energy with a first preset stored energy;
and when the current energy storage amount is smaller than the first preset energy storage amount, controlling the energy storage assembly to store energy.
Optionally, the step of obtaining a first predicted intensity of the effective light received by the solar power supply assembly within a first preset time period after the current time includes:
receiving a weather forecast of a target area;
calculating first predicted intensity of effective light received by the solar power supply assembly within the first preset time period according to the weather forecast;
the weather forecast comprises sunrise time, sunset time and weather conditions, and the weather conditions are used for determining the penetration rate of light rays in the atmosphere.
Optionally, when the first predicted intensity is smaller than a first preset intensity, the step of controlling the energy storage assembly to store energy so that the energy storage assembly compensates the refrigerant circulation assembly for the cooling capacity or the heating capacity within the first preset time period includes:
acquiring environmental parameters and operating parameters of an air conditioner set by a user;
acquiring target energy storage of the energy storage component within the first preset time period according to the first preset time period, the first predicted intensity, the environmental parameter and the operation parameter;
and controlling the energy storage component to store energy according to the first preset time period, the first predicted intensity and the target energy storage amount.
Optionally, the step of obtaining the target energy storage amount of the energy storage component in the first preset time period according to the first preset time period, the first predicted intensity, the environmental parameter and the operating parameter includes:
calculating the target total cooling capacity or the target total heat capacity of the solar air conditioner according to the environmental parameters and the operation parameters;
according to the first preset time period and the first prediction intensity, calculating the solar refrigerating capacity or the solar heating capacity within the first preset time period obtained by the solar power supply assembly supplying power to the refrigerant circulation assembly;
and calculating the target cold accumulation amount according to the target cold accumulation amount being equal to the target total cooling amount minus the solar cooling amount, or calculating the target heat accumulation amount according to the target heat accumulation amount being equal to the target total heat amount minus the solar heating amount.
Optionally, the step of obtaining the target energy storage amount of the energy storage component in the first preset time period according to the first preset time period, the first predicted intensity, the environmental parameter and the operating parameter includes:
calculating the target total cooling capacity or the target total heat capacity of the solar air conditioner according to the environmental parameters and the operation parameters;
according to the first preset time period and the first prediction intensity, calculating the solar refrigerating capacity or the solar heating capacity within the first preset time period obtained by the solar power supply assembly supplying power to the refrigerant circulation assembly;
calculating the dissipated cold quantity or the dissipated heat quantity of the energy storage assembly according to the environmental parameters;
and calculating the target cold accumulation amount according to the target cold accumulation amount equal to the target total heat amount plus the dissipated cold amount minus the solar refrigeration amount, or calculating the target heat accumulation amount according to the target heat accumulation amount equal to the target total heat amount plus the dissipated heat amount minus the solar heating amount.
Optionally, the step of controlling the energy storage of the energy storage assembly according to the first preset time period, the first predicted intensity and the target energy storage amount comprises:
acquiring the current intensity of the effective light received by the solar power supply assembly;
comparing the current intensity with a second preset intensity;
when the current intensity is smaller than a second preset intensity, controlling the commercial power supply assembly to supply power to the energy storage assembly for energy storage;
when the current intensity is greater than or equal to a second preset intensity, the solar power supply assembly is controlled to supply power and store energy for the energy storage assembly, and the commercial power supply assembly stops supplying power for the energy storage assembly.
Optionally, after the step of obtaining the current intensity of the effective light received by the solar power supply assembly, the method further includes the following steps:
comparing the current intensity with a third preset intensity, wherein the third preset intensity is smaller than the second preset intensity;
and when the current intensity is smaller than a third preset intensity, controlling the solar power supply assembly to stop supplying power to the energy storage assembly.
Optionally, the step of controlling the energy storage of the energy storage assembly according to the first preset time period, the first predicted intensity and the target energy storage amount comprises:
according to the environmental parameters and the operation parameters, calculating the energy storage time required by the energy storage assembly to continuously store energy to reach the target energy storage amount under the power supply of the solar power supply assembly;
comparing the energy storage duration with the remaining duration from the current time to the initial time of the first preset time period;
when the energy storage duration is less than or equal to the residual duration, calculating the initial moment of energy storage of the energy storage assembly according to the energy storage duration and the initial moment of the first preset time period; when the starting moment is reached, controlling the solar power supply assembly to supply power and store energy for the energy storage assembly;
and when the energy storage duration is longer than the residual duration, controlling the commercial power supply assembly to supply power and store energy for the energy storage assembly.
Optionally, the solar air conditioner control method further comprises the following steps;
when the commercial power supply assembly stops operating, obtaining a second predicted intensity of the effective light within a second preset time period;
and when the second predicted intensity is smaller than a fourth preset intensity, reducing the running frequency of a compressor of the solar air conditioner or reducing the rotating speed of a fan of the solar air conditioner.
The invention also provides a solar air conditioner which comprises a solar power supply assembly, a commercial power supply assembly, a refrigerant circulation assembly, an energy storage assembly, a memory, a processor and a solar air conditioner control program which is stored on the memory and can run on the processor, wherein the solar power supply assembly is electrically connected with the refrigerant circulation assembly, the energy storage assembly and the processor; the commercial power supply assembly is electrically connected with the refrigerant circulation assembly, the energy storage assembly and the processor; the refrigerant circulating assembly is electrically connected with the processor; the energy storage assembly is electrically connected with the processor; the solar air conditioner control program, when executed by the processor, implements steps of a solar air conditioner control method, the solar air conditioner control method further comprising the steps of: when the first predicted intensity is greater than or equal to a first preset intensity, acquiring the current energy storage amount of the energy storage assembly; comparing the current stored energy with a first preset stored energy; and when the current energy storage amount is smaller than the first preset energy storage amount, controlling the energy storage assembly to store energy.
Optionally, the solar air conditioner further comprises a network communication component, and the network communication component is communicated with the big data server or the intelligent terminal and is used for receiving the weather forecast of the target area.
In the technical scheme of the invention, the control method of the solar air conditioner comprises the following steps: obtaining a first predicted intensity of effective light received by the solar power supply assembly within a first preset time period after the current moment; comparing the first predicted intensity with a first preset intensity; and when the first predicted intensity is smaller than the first preset intensity, controlling the energy storage assembly to store energy so that the energy storage assembly compensates the refrigerating capacity or the heating capacity of the refrigerant circulation assembly within the first preset time period. The effective light received by the solar power supply assembly can be converted into partial light of electric energy, the energy storage of the energy storage assembly is accurately controlled by acquiring the first predicted intensity of the effective light in the first preset time period, and the energy stored by the energy storage assembly is prevented from being wasted due to dissipation under the condition of ensuring the energy storage of the energy storage assembly, so that the requirement of a user is met. When the first predicted intensity is smaller than the first preset intensity, the energy storage assembly is controlled to store energy, and when the first preset time period is reached, the refrigerating capacity or the heating capacity of the refrigerant circulation assembly is compensated by the energy stored by the energy storage assembly, so that the solar air conditioner can run in an energy-saving mode while the user demand is guaranteed, the energy storage assembly is low in cost and pollution-free, can store energy repeatedly, has a long service life, and improves the energy-saving effect of the solar air conditioner.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic flow chart illustrating a control method of a solar air conditioner according to a first embodiment of the present invention;
FIG. 2 is a flowchart illustrating a control method of a solar air conditioner according to a second embodiment of the present invention;
fig. 3 is a detailed flowchart of step S100 in the third embodiment of the control method of the solar air conditioner according to the present invention;
FIG. 4 is a detailed flowchart of step S300 of a fourth embodiment of the method for controlling a solar air conditioner according to the present invention;
fig. 5 is a detailed flowchart of step S320 in a fifth embodiment of the method for controlling a solar air conditioner according to the present invention;
fig. 6 is a detailed flowchart of step S320 in a sixth embodiment of the method for controlling a solar air conditioner according to the present invention;
fig. 7 is a detailed flowchart of step S330 in the seventh embodiment of the control method of the solar air conditioner according to the present invention;
fig. 8 is a detailed flowchart of step S330 in the eighth embodiment of the control method of the solar air conditioner according to the present invention;
fig. 9 is a detailed flowchart of step S330 in the ninth embodiment of the control method of the solar air conditioner according to the present invention;
FIG. 10 is a flowchart illustrating a tenth exemplary embodiment of a solar air conditioner control method according to the present invention;
fig. 11 is a schematic structural diagram of a solar air conditioner according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a control method of a solar air conditioner, wherein the solar air conditioner comprises a solar power supply assembly, a commercial power supply assembly, a refrigerant circulation assembly and an energy storage assembly, as shown in figure 1, in a first embodiment of the invention, the control method of the solar air conditioner comprises the following steps:
step S100, obtaining a first predicted intensity of effective light received by a solar power supply assembly within a first preset time period after the current moment;
in the operation process of the solar air conditioner, the power supply capacity of the solar power supply assembly is closely related to the intensity of the effective light received by the solar power supply assembly, and the stronger the intensity of the effective light is, the stronger the power supply capacity of the solar power supply assembly is. However, in the self-heating environment, the intensity of the effective light is not constant, but is related to the sunrise and sunset time and the propagation condition of the light in the atmosphere, and by predicting the first predicted intensity of the light in the first preset time period after the current time, the power supply of the solar air conditioner can be adjusted in time according to the predicted condition of the effective light so as to adapt to the change of the intensity of the effective light. The first predicted intensity of the effective light may be obtained by analyzing historical data of the effective light intensity, for example, by calculating the intensity of the effective light in a period of time under similar conditions in the past to obtain a first predicted intensity in a first preset period of time, or the first predicted intensity of the effective light may be obtained by analyzing information such as weather forecast, which will be described in detail later. The duration between the initial time and the current time of the first preset time period is usually set to be 0.5-3 hours, so that the condition that the stored energy is too early due to too long duration and is wasted due to dissipation is avoided; on the other hand, the situation that the time is too short to accumulate enough energy to compensate the refrigerating capacity or the heating capacity of the refrigerant circulation loop is avoided.
S200, comparing the first prediction intensity with a first preset intensity;
the first preset intensity is related to an environmental parameter (e.g., an indoor and outdoor temperature difference, a room area, etc.), an operation parameter of the solar air conditioner set by a user (e.g., a set temperature of the user, a set wind speed, etc.), and the like. In a first preset time period, the intensity of effective light rays of the solar air conditioner can be a first preset intensity only by supplying power to the refrigerant circulation assembly through the solar power supply assembly, the first preset intensity can be specifically obtained through experiments under different environmental parameters and operation parameters set by a user, can also be obtained through theoretical calculation, and is prestored in the solar air conditioner to be called.
And S300, when the first predicted intensity is smaller than the first preset intensity, controlling the energy storage assembly to store energy so that the energy storage assembly compensates the refrigerating capacity or the heating capacity of the refrigerant circulation assembly within the first preset time period.
When the first predicted intensity is smaller than the first preset intensity, namely within a first preset time period, the energy requirement of the refrigerant circulation assembly cannot be met only by the solar power supply assembly, and the energy storage assembly is controlled to store energy in order to guarantee the normal operation of the solar air conditioner. Specifically, the energy storage assembly utilizes the phase change stored energy of the energy storage material therein and releases the pre-stored energy in a first preset time period to realize the compensation of the refrigerating capacity or the heating capacity of the refrigerant circulation assembly so as to meet the operation parameters of the solar air conditioner set by a user.
In this embodiment, the solar air conditioner control method includes the steps of: obtaining a first predicted intensity of effective light received by the solar power supply assembly within a first preset time period after the current moment; comparing the first predicted intensity with a first preset intensity; and when the first predicted intensity is smaller than the first preset intensity, controlling the energy storage assembly to store energy so that the energy storage assembly compensates the refrigerating capacity or the heating capacity of the refrigerant circulation assembly within the first preset time period. The effective light received by the solar power supply assembly can be converted into partial light of electric energy, the energy storage of the energy storage assembly is accurately controlled by acquiring the first predicted intensity of the effective light in the first preset time period, and the energy stored by the energy storage assembly is prevented from being wasted due to dissipation under the condition of ensuring the energy storage of the energy storage assembly, so that the requirement of a user is met. When the first predicted intensity is smaller than the first preset intensity, the energy storage assembly is controlled to store energy, and when the first preset time period is reached, the refrigerating capacity or the heating capacity of the refrigerant circulation assembly is compensated by the energy stored by the energy storage assembly, so that the solar air conditioner can run in an energy-saving mode while the user demand is guaranteed, the energy storage assembly is low in cost and pollution-free, can store energy repeatedly, has a long service life, and improves the energy-saving effect of the solar air conditioner.
In the second embodiment of the present invention, as shown in fig. 2, after step S200, the solar air conditioner control method further includes the steps of:
step S410: when the first predicted intensity is greater than or equal to the first preset intensity, acquiring the current energy storage amount of the energy storage assembly;
step S420: comparing the current stored energy with a first preset stored energy;
step S430: and when the current stored energy is less than the first preset stored energy, controlling the energy storage assembly to store energy.
When the first predicted intensity is greater than or equal to the first preset intensity, the effective light intensity in the first preset time period is enough to be required by the refrigerant circulation component according to the prediction result. However, in order to avoid the situation that the solar air conditioner is not sufficiently powered due to the fact that the effective light intensity changes due to sudden changes of weather or other factors such as power failure in the first preset time period, certain energy can be stored in the energy storage assembly for the need from time to time. The energy storage condition of the energy storage assembly is obtained by comparing the current energy storage amount with the first preset energy storage amount, if the current energy storage amount is smaller than the first preset energy storage amount, the energy in the energy storage assembly is less, the energy storage assembly is controlled to store energy so as to increase the energy storage amount, the possible emergency situation is responded, and therefore the reliability of the solar air conditioner is improved.
In a third embodiment of the present invention, as shown in fig. 3, step S100 includes:
step S110, receiving a weather forecast of a target area;
step S120, calculating a first predicted intensity of the effective light received by the solar power supply assembly within a first preset time period according to the weather forecast.
The weather forecast comprises sunrise time, sunset time and weather conditions, and the weather conditions are used for determining the penetration rate of light rays in the atmosphere. Specifically, the weather forecast can be obtained through a big data server in the same internet with the solar air conditioner, or can be obtained through a portable intelligent terminal such as a mobile phone and a tablet personal computer. The weather forecast on the server or the intelligent terminal can be updated in real time, so that the accuracy of predicting the effective light intensity is improved, and the operation of the energy storage assembly is more accurate. The weather forecast comprises sunrise time and sunset time, the effective light intensity changes obviously at the sunrise time and around the sunset time, and the light intensity can be predicted according to preset experimental results or theoretical calculation. In addition, the weather forecast also includes weather conditions, such as sunny, rainy, snowy, and foggy conditions, which will affect the penetration rate of the effective light in the atmosphere, and further affect the intensity of the effective light received by the solar power supply assembly, so that the power supply capability of the solar power supply assembly changes.
In the fourth embodiment of the present invention, as shown in fig. 4, step S300 includes:
step S310, obtaining environmental parameters and operation parameters of the air conditioner set by a user;
step S320, acquiring target energy storage of the energy storage component within a first preset time period according to the first preset time period, the first prediction strength, the environmental parameters and the operation parameters;
and S330, controlling the energy storage assembly to store energy according to the first preset time period, the first predicted intensity and the target energy storage amount.
The environmental parameters comprise indoor and outdoor temperature difference, room area and other parameters, which affect indoor and outdoor heat exchange conditions and indoor required cooling capacity or heating capacity, and the operation parameters of the air conditioner set by the user comprise set temperature, set wind speed and the like of the user and are related to target total cooling capacity or target total heating capacity required to be generated by the air conditioner. According to the first preset time period, the first prediction strength, the environmental parameters and the operation parameters, the target energy storage amount of the energy storage assembly in the first preset time period is obtained, and then the energy storage of the energy storage assembly is controlled according to the first preset time period, the first prediction strength and the target energy storage amount, so that the energy generated and dissipated in the operation process of the solar air conditioner is balanced, the user requirements are met, and the dissipated energy is reduced as much as possible, so that the energy-saving effect of the solar air conditioner is improved.
Further, in the fifth embodiment of the present invention, as shown in fig. 5, step S320 includes:
step S321, calculating target total cooling capacity or target total heating capacity of the solar air conditioner according to the environmental parameters and the operation parameters;
step S322, calculating solar refrigerating capacity or solar heating capacity within a first preset time period obtained by the solar power supply assembly supplying power to the refrigerant circulation assembly according to the first preset time period and the first prediction strength;
and step S323, calculating the target cold accumulation amount according to the target cold accumulation amount equal to the target total cold amount minus the solar cooling amount, or calculating the target heat accumulation amount according to the target heat accumulation amount equal to the target total heat amount minus the solar heating amount.
Taking the solar air conditioner operating in the refrigeration mode as an example, the target cold storage amount required to be stored by the energy storage assembly is the difference between the target total cold amount required to be generated by the solar air conditioner within the preset time period and the solar refrigeration amount of the solar power supply assembly driving the refrigerant circulation assembly to refrigerate, so as to make up for the shortage of cold supply of the refrigerant circulation assembly. The method comprises the steps of calculating target total cooling capacity or target total heat of the solar air conditioner according to environmental parameters and operation parameters, calculating energy corresponding to effective light in a first preset time period according to the first preset time period and first prediction intensity, calculating solar refrigerating capacity obtained by the solar air conditioner by utilizing a solar power supply assembly to supply power for a refrigerant circulation assembly to refrigerate by combining energy conversion efficiency, and finally calculating target cold storage capacity according to the fact that the target cold storage capacity is equal to the target total cooling capacity and the solar refrigerating capacity is reduced, so that cold storage of an energy storage assembly is controlled. When the solar air conditioner operates in the heating mode, the target heat storage amount can be calculated according to the fact that the target heat storage amount is equal to the target total heat amount and the solar heating amount, and therefore heat storage of the energy storage assembly is controlled.
In the sixth embodiment of the present invention, as shown in fig. 6, step S320 includes:
step S324, calculating target total cooling capacity or target total heat capacity of the solar air conditioner according to the environmental parameters and the operation parameters;
step 325, calculating the solar refrigerating capacity or the solar heating capacity within a first preset time period obtained by the solar power supply assembly supplying power to the refrigerant circulation assembly according to the first preset time period and the first prediction intensity;
step S326, calculating the dissipation cold quantity or the dissipation heat quantity of the energy storage assembly according to the environmental parameters;
step S327, calculate the target cold storage amount according to the target cold storage amount being equal to the target total cold amount plus the dissipated cold amount minus the solar cooling amount, or calculate the target heat storage amount according to the target heat storage amount being equal to the target total heat amount plus the dissipated heat amount minus the solar heating amount.
In this embodiment, it is further considered that the energy stored in the energy storage component has a faster dissipation speed, so the dissipated cold or heat dissipated by the energy storage component is calculated according to the environmental parameters and is taken into account in the target cold storage or heat storage of the energy storage component, so as to improve the accuracy of calculation of the target cold storage or heat storage, and accordingly, the energy storage of the energy storage component is controlled, the energy configuration is optimized, and the energy saving effect of the solar air conditioner is further improved.
In the seventh embodiment of the present invention, as shown in fig. 7, step S330 includes:
step S331, obtaining the current intensity of the effective light received by the solar power supply assembly;
step S332, comparing the current intensity with a second preset intensity;
step S333, when the current intensity is smaller than a second preset intensity, controlling the commercial power supply assembly to supply power and store energy for the energy storage assembly;
and step S334, when the current intensity is greater than or equal to a second preset intensity, controlling the solar power supply assembly to supply power and store energy for the energy storage assembly, and stopping supplying power for the energy storage assembly by the commercial power supply assembly.
In the embodiment, the power supply of the energy storage assembly is determined according to the current intensity of light, so that the solar energy is fully and effectively utilized under the condition of ensuring the normal operation of the solar air conditioner, and the energy-saving effect of the solar air conditioner is improved. Specifically, the second preset intensity corresponds to the minimum effective light intensity that meets the sum of the current refrigeration requirement of the refrigerant circulation assembly and the power supply requirement of the energy storage assembly for energy storage, and when the current intensity is smaller than the second preset intensity, it indicates that the power supply requirement of the energy storage assembly for energy storage cannot be met by simply relying on the solar power supply assembly, at this time, the mains supply assembly needs to be controlled to supply power to the energy storage assembly, and the solar power supply assembly can supply power to the energy storage assembly or cannot supply power to the energy storage assembly, which will be explained in detail later; when the current intensity is greater than or equal to the second preset intensity, the solar power supply assembly is controlled to supply power to the energy storage assembly, and the commercial power supply assembly stops supplying power to the energy storage assembly, so that sufficient solar energy is fully utilized, the commercial power energy consumption of the solar air conditioner is reduced, and the energy-saving effect of the solar air conditioner is improved.
Further, in the eighth embodiment of the present invention, as shown in fig. 8, after step S331, the following steps are further included:
step S335, comparing the current intensity with a third preset intensity;
and S336, when the current intensity is smaller than the third preset intensity, controlling the solar power supply assembly to stop supplying power to the energy storage assembly.
Wherein the third preset intensity is smaller than the second preset intensity. Specifically, the third preset intensity corresponds to the minimum effective light intensity of power supply required by the refrigerant circulation assembly for current refrigeration, and when the current intensity is smaller than the third preset intensity, it indicates that the current operation of the refrigerant circulation assembly cannot be met by simply relying on solar energy, and it is more difficult to additionally supply the energy storage assembly for energy storage, so that the solar power supply assembly is controlled to stop supplying power to the energy storage assembly, and the commercial power supply assembly supplies energy to the energy storage assembly for energy storage.
In the ninth embodiment of the present invention, as shown in fig. 9, step S330 includes:
step S337, calculating the energy storage duration required by the energy storage component to continuously store energy to reach the target energy storage amount under the power supply of the solar power supply component according to the environmental parameters and the operation parameters;
step S338, comparing the energy storage duration with the remaining duration from the current time to the initial time of the first preset time period;
step S339a, when the energy storage duration is less than or equal to the remaining duration, calculating the initial time when the energy storage component starts to store energy according to the energy storage duration and the initial time of the first preset time period; when the starting moment is reached, the solar power supply assembly is controlled to supply power and store energy for the energy storage assembly;
and step S339b, when the energy storage duration is longer than the remaining duration, controlling the commercial power supply assembly to supply power and store energy for the energy storage assembly.
In the embodiment, the energy stored in the energy storage module is considered to have a faster dissipation rate, so that the energy storage module is controlled as much as possible to store energy continuously, and the interval duration between the energy storage process and the energy release process of the energy storage module is reduced, so as to further reduce energy loss and improve the energy saving effect of the solar air conditioner. Specifically, the energy storage duration of continuous energy storage is calculated according to the environmental parameters and the operation parameters, and when the energy storage duration is less than or equal to the remaining duration between the current time and the initial time of the first preset time period, it indicates that if energy storage is started at the moment, the stored energy will be dissipated after a certain time of energy storage release at the time of energy storage completion, so that the initial time of energy storage of the energy storage assembly is calculated to delay energy storage, and thus energy dissipation is reduced. When the energy storage duration is longer than the remaining duration, it is indicated that even if the energy storage is started immediately, the power supply of the solar power supply assembly cannot be supplied to the energy storage assembly to finish the accumulation of the target energy storage at the initial moment of the first preset time period, so that the commercial power supply assembly supplies power to the energy storage assembly to store energy, and the requirement of a user is met.
In a tenth embodiment of the present invention, as shown in fig. 10, the solar air conditioner control method further includes the steps of:
step S500, when the commercial power supply assembly stops operating, obtaining a second predicted intensity of the effective light within a second preset time period;
and S600, when the second predicted intensity is smaller than the fourth preset intensity, reducing the running frequency of a compressor of the solar air conditioner or reducing the rotating speed of a fan of the solar air conditioner.
There is no specific sequence relationship between step S500 and steps S100 to S300, that is, as long as the commercial power supply unit stops operating due to power failure or the like during the operation of the solar air conditioner, the second predicted intensity of the effective light within the second preset time period is obtained. The second preset time period can be a power failure time period and the like, in the second preset time period, the power supply of the commercial power supply assembly for the solar air conditioner cannot be guaranteed, if the effective light intensity in the second preset time period is smaller than the fourth preset intensity, namely, when the solar power supply assembly cannot provide enough electric quantity, the running frequency of a compressor of the solar air conditioner is reduced, or the rotating speed of a fan of the solar air conditioner is reduced, the power consumption of the solar air conditioner in the second preset time period is reduced, the running time of the solar air conditioner is prolonged, and the requirements of users are met as much as possible.
The invention further provides a solar air conditioner, as shown in fig. 11, the solar air conditioner includes a solar power supply assembly 100, a commercial power supply assembly 200, a refrigerant circulation assembly 300, an energy storage assembly 400, a memory 500, and a processor 600, wherein the solar power supply assembly 100 is electrically connected to the refrigerant circulation assembly 300, the energy storage assembly 400, and the processor 600; the commercial power supply assembly 200 is electrically connected with the refrigerant circulation assembly 300, the energy storage assembly 400 and the processor 600; the refrigerant circulation assembly 300 is electrically connected with the processor 600; the energy storage assembly 400 is electrically connected to the processor 600.
Furthermore, the solar air conditioner also comprises a network communication component, and the network communication component is communicated with the big data server or the intelligent terminal and used for receiving weather forecast of a target area so as to predict the intensity of the effective light.
The processor 600 executes the solar air conditioner control program stored on the memory 500 and performs the following operations:
obtaining a first predicted intensity of effective light received by the solar power supply assembly within a first preset time period after the current moment;
comparing the first predicted intensity with a first preset intensity;
and when the first predicted intensity is smaller than the first preset intensity, controlling the energy storage assembly to store energy so that the energy storage assembly compensates the refrigerating capacity or the heating capacity of the refrigerant circulation assembly within the first preset time period.
The processor 600 executes the solar air conditioner control program stored on the memory 500, and after the operation of comparing the first predicted intensity with the first preset intensity, the solar air conditioner control method further includes the steps of:
when the first predicted intensity is greater than or equal to the first preset intensity, acquiring the current energy storage amount of the energy storage assembly;
comparing the current stored energy with a first preset stored energy;
and when the current stored energy is less than the first preset stored energy, controlling the energy storage assembly to store energy.
The processor 600 executes the solar air conditioner control program stored in the memory 500, and the operation of obtaining the first predicted intensity of the effective light received by the solar power supply assembly in the first preset time period after the current time comprises the following operations:
receiving a weather forecast of a target area;
calculating a first predicted intensity of effective light received by the solar power supply assembly within a first preset time period according to weather forecast;
the weather forecast comprises sunrise time, sunset time and weather conditions, and the weather conditions are used for determining the penetration rate of light rays in the atmosphere.
The processor 600 executes the solar air conditioner control program stored in the memory 500, and when the first predicted intensity is smaller than the first preset intensity, the operation of controlling the energy storage assembly to store energy so that the energy storage assembly compensates the cooling capacity or the heating capacity of the refrigerant circulation assembly within the first preset time period includes:
acquiring environmental parameters and operating parameters of an air conditioner set by a user;
acquiring target energy storage of the energy storage component within a first preset time period according to the first preset time period, the first predicted intensity, the environmental parameters and the operation parameters;
and controlling the energy storage assembly to store energy according to the first preset time period, the first predicted intensity and the target energy storage amount.
The operation of the processor 600 executing the solar air conditioner control program stored in the memory 500 to obtain the target energy storage amount of the energy storage component in the first preset time period according to the first preset time period, the first predicted intensity, the environmental parameter and the operation parameter includes:
calculating target total cooling capacity or target total heat capacity of the solar air conditioner according to the environmental parameters and the operation parameters;
according to the first preset time period and the first prediction intensity, calculating the solar refrigerating capacity or the solar heating capacity within the first preset time period obtained by the solar power supply assembly supplying power to the refrigerant circulation assembly;
and calculating the target cold accumulation amount according to the target cold accumulation amount equal to the target total cold amount and the solar refrigerating amount, or calculating the target heat accumulation amount according to the target heat accumulation amount equal to the target total heat amount and the solar heating amount.
The operation of the processor 600 executing the solar air conditioner control program stored in the memory 500 to obtain the target energy storage amount of the energy storage component in the first preset time period according to the first preset time period, the first predicted intensity, the environmental parameter and the operation parameter includes:
calculating target total cooling capacity or target total heat capacity of the solar air conditioner according to the environmental parameters and the operation parameters;
according to the first preset time period and the first prediction intensity, calculating the solar refrigerating capacity or the solar heating capacity within the first preset time period obtained by the solar power supply assembly supplying power to the refrigerant circulation assembly;
calculating the dissipated cold quantity or the dissipated heat quantity of the energy storage component according to the environmental parameters;
and calculating the target cold accumulation amount according to the target cold accumulation amount equal to the target total heat amount plus the dissipation cold amount minus the solar refrigeration amount, or calculating the target heat accumulation amount according to the target heat accumulation amount equal to the target total heat amount plus the dissipation heat amount minus the solar heating amount.
The processor 600 executes a solar air conditioner control program stored in the memory 500, and the operation of controlling the energy storage module to store energy according to the first preset time period, the first predicted intensity and the target energy storage amount comprises:
acquiring the current intensity of effective light received by the solar power supply assembly;
comparing the current intensity with a second preset intensity;
when the current intensity is smaller than a second preset intensity, the commercial power supply assembly is controlled to supply power and store energy for the energy storage assembly;
and when the current intensity is greater than or equal to the second preset intensity, the solar power supply assembly is controlled to supply power and store energy for the energy storage assembly, and the commercial power supply assembly stops supplying power for the energy storage assembly.
The processor 600 executes the solar air conditioner control program stored on the memory 500, and after the operation of acquiring the current intensity of the effective light received by the solar power supply assembly, further performs the following operations:
comparing the current intensity with a third preset intensity, wherein the third preset intensity is smaller than the second preset intensity;
and when the current intensity is smaller than the third preset intensity, controlling the solar power supply assembly to stop supplying power to the energy storage assembly.
The processor 600 executes a solar air conditioner control program stored in the memory 500, and the operation of controlling the energy storage module to store energy according to the first preset time period, the first predicted intensity and the target energy storage amount comprises:
according to the environmental parameters and the operation parameters, calculating the energy storage time required by the energy storage component to continuously store energy to reach the target energy storage amount under the power supply of the solar power supply component;
comparing the energy storage duration with the remaining duration between the current time and the initial time of the first preset time period;
when the energy storage duration is less than or equal to the residual duration, calculating the initial energy storage time of the energy storage assembly according to the energy storage duration and the initial time of the first preset time period; when the starting moment is reached, the solar power supply assembly is controlled to supply power and store energy for the energy storage assembly;
and when the energy storage duration is longer than the rest duration, the commercial power supply assembly is controlled to supply power and store energy for the energy storage assembly.
The processor 600 executes the solar air conditioner control program stored on the memory 500, and also performs the following operations;
when the commercial power supply assembly stops operating, obtaining a second predicted intensity of the effective light within a second preset time period;
and when the second predicted intensity is smaller than the fourth preset intensity, reducing the running frequency of a compressor of the solar air conditioner or reducing the rotating speed of a fan of the solar air conditioner.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (11)
1. A control method of a solar air conditioner is characterized in that the solar air conditioner comprises a solar power supply assembly, a commercial power supply assembly, a refrigerant circulation assembly and an energy storage assembly;
the control method of the solar air conditioner comprises the following steps:
obtaining a first predicted intensity of effective light received by the solar power supply assembly within a first preset time period after the current moment;
comparing the first predicted intensity with a first preset intensity;
when the first predicted intensity is smaller than a first preset intensity, controlling the energy storage assembly to store energy so that the energy storage assembly compensates the refrigerating capacity or the heating capacity of the refrigerant circulation assembly within the first preset time period;
when the first predicted intensity is smaller than a first preset intensity, the energy storage assembly is controlled to store energy, so that the energy storage assembly compensates the refrigerating capacity or the heating capacity of the refrigerant circulation assembly within the first preset time period comprises the following steps:
acquiring environmental parameters and operating parameters of an air conditioner set by a user;
acquiring target energy storage of the energy storage component within the first preset time period according to the first preset time period, the first predicted intensity, the environmental parameter and the operation parameter;
and controlling the energy storage component to store energy according to the first preset time period, the first predicted intensity and the target energy storage amount.
2. The solar air conditioner control method of claim 1, wherein after the step of comparing the first predicted intensity with a first preset intensity, the solar air conditioner control method further comprises the steps of:
when the first predicted intensity is greater than or equal to a first preset intensity, acquiring the current energy storage amount of the energy storage assembly;
comparing the current stored energy with a first preset stored energy;
and when the current energy storage amount is smaller than the first preset energy storage amount, controlling the energy storage assembly to store energy.
3. The solar air conditioner control method of claim 1, wherein the step of obtaining the first predicted intensity of the effective light received by the solar power supply assembly within a first preset time period from the current time comprises:
receiving a weather forecast of a target area;
calculating first predicted intensity of effective light received by the solar power supply assembly within the first preset time period according to the weather forecast;
the weather forecast comprises sunrise time, sunset time and weather conditions, and the weather conditions are used for determining the penetration rate of light rays in the atmosphere.
4. The solar air conditioner control method of claim 1, wherein the step of obtaining the target stored energy of the energy storage component in the first preset time period according to the first preset time period, the first predicted intensity, the environmental parameter and the operation parameter comprises:
calculating the target total cooling capacity or the target total heat capacity of the solar air conditioner according to the environmental parameters and the operation parameters;
according to the first preset time period and the first prediction intensity, calculating the solar refrigerating capacity or the solar heating capacity within the first preset time period obtained by the solar power supply assembly supplying power to the refrigerant circulation assembly;
and calculating the target cold accumulation amount according to the target cold accumulation amount being equal to the target total cooling amount minus the solar cooling amount, or calculating the target heat accumulation amount according to the target heat accumulation amount being equal to the target total heat amount minus the solar heating amount.
5. The solar air conditioner control method of claim 1, wherein the step of obtaining the target stored energy of the energy storage component in the first preset time period according to the first preset time period, the first predicted intensity, the environmental parameter and the operation parameter comprises:
calculating the target total cooling capacity or the target total heat capacity of the solar air conditioner according to the environmental parameters and the operation parameters;
according to the first preset time period and the first prediction intensity, calculating the solar refrigerating capacity or the solar heating capacity within the first preset time period obtained by the solar power supply assembly supplying power to the refrigerant circulation assembly;
calculating the dissipated cold quantity or the dissipated heat quantity of the energy storage assembly according to the environmental parameters;
and calculating the target cold accumulation amount according to the target cold accumulation amount equal to the target total heat amount plus the dissipated cold amount minus the solar refrigeration amount, or calculating the target heat accumulation amount according to the target heat accumulation amount equal to the target total heat amount plus the dissipated heat amount minus the solar heating amount.
6. The solar air conditioner control method of claim 1, wherein the step of controlling the energy storage of the energy storage module according to the first preset time period, the first predicted intensity and the target energy storage comprises:
acquiring the current intensity of the effective light received by the solar power supply assembly;
comparing the current intensity with a second preset intensity;
when the current intensity is smaller than a second preset intensity, controlling the commercial power supply assembly to supply power to the energy storage assembly for energy storage;
when the current intensity is greater than or equal to a second preset intensity, the solar power supply assembly is controlled to supply power and store energy for the energy storage assembly, and the commercial power supply assembly stops supplying power for the energy storage assembly.
7. The solar air conditioner control method as claimed in claim 6, further comprising the following steps after the step of obtaining the current intensity of the effective light received by the solar power supply assembly:
comparing the current intensity with a third preset intensity, wherein the third preset intensity is smaller than the second preset intensity;
and when the current intensity is smaller than a third preset intensity, controlling the solar power supply assembly to stop supplying power to the energy storage assembly.
8. The solar air conditioner control method of claim 1, wherein the step of controlling the energy storage of the energy storage module according to the first preset time period, the first predicted intensity and the target energy storage comprises:
according to the environmental parameters and the operation parameters, calculating the energy storage time required by the energy storage assembly to continuously store energy to reach the target energy storage amount under the power supply of the solar power supply assembly;
comparing the energy storage duration with the remaining duration from the current time to the initial time of the first preset time period;
when the energy storage duration is less than or equal to the residual duration, calculating the initial moment of energy storage of the energy storage assembly according to the energy storage duration and the initial moment of the first preset time period; when the starting moment is reached, controlling the solar power supply assembly to supply power and store energy for the energy storage assembly;
and when the energy storage duration is longer than the residual duration, controlling the commercial power supply assembly to supply power and store energy for the energy storage assembly.
9. The solar air conditioner control method according to claim 1, further comprising the steps of;
when the commercial power supply assembly stops operating, obtaining a second predicted intensity of the effective light within a second preset time period;
and when the second predicted intensity is smaller than a fourth preset intensity, reducing the running frequency of a compressor of the solar air conditioner or reducing the rotating speed of a fan of the solar air conditioner.
10. A solar air conditioner is characterized in that the solar air conditioner comprises a solar power supply assembly, a commercial power supply assembly, a refrigerant circulation assembly, an energy storage assembly, a memory, a processor and a solar air conditioner control program which is stored on the memory and can run on the processor, wherein,
the solar power supply assembly is electrically connected with the refrigerant circulation assembly, the energy storage assembly and the processor;
the commercial power supply assembly is electrically connected with the refrigerant circulation assembly, the energy storage assembly and the processor;
the refrigerant circulating assembly is electrically connected with the processor;
the energy storage assembly is electrically connected with the processor;
the solar air conditioner control program, when executed by the processor, implements the steps of the solar air conditioner control method of any one of claims 1 to 9.
11. The solar air conditioner of claim 10, further comprising a network communication component, wherein the network communication component is in communication with a big data server or an intelligent terminal for receiving weather forecast of a target area.
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