CN115764851A - Energy-saving operation control method and device of air conditioner and air conditioner - Google Patents

Abstract

The invention provides an energy-saving operation control method and device of an air conditioner and the air conditioner, wherein the method comprises the following steps: responding to a starting signal of the energy-saving mode, acquiring solar input power transmitted to the air conditioner body by the photovoltaic panel group, judging according to the solar input power to determine that the solar lowest input power meets the lowest frequency operation requirement of the air conditioner body, and supplying power to the air conditioner body by the photovoltaic panel group; and determining that the lowest input power of the solar energy does not meet the lowest frequency operation requirement of the air conditioner body, and supplying power to the air conditioner body by the solar energy and the commercial power together. According to the invention, the control mode is selected according to whether the solar energy can meet the lowest frequency operation requirement of the air conditioner body or not by judging the lowest solar energy input power supplied by the photovoltaic panel group, so that the user experience is further met, and the problem of service life reduction of the air conditioner caused by unstable power supply is also avoided.

Description

Energy-saving operation control method and device of air conditioner and air conditioner

technical field

The invention relates to the technical field of air-conditioning equipment, in particular to an energy-saving operation control method and device for an air-conditioner and an air-conditioner.

Background technique

At present, solar energy has become an important green energy in the new century, but affected by various factors, solar power supply fluctuates and cannot provide continuous and stable power supply for air conditioners, which seriously affects the user experience, resulting in the air conditioner’s limited use of air conditioning. The stability decreases, and also affects the service life of the air conditioner.

Contents of the invention

The invention provides an energy-saving operation control method and device of an air conditioner, and an air conditioner to solve the defects in the prior art that solar energy cannot provide stable power supply, resulting in poor user experience and shortened service life of the air conditioner.

According to the energy-saving operation control method of an air conditioner provided in the first aspect of the present invention, the air conditioner includes: a photovoltaic panel group and an air conditioner body, and the photovoltaic panel group is connected to the air conditioner body for provide solar energy;

The methods include:

In response to the start signal of the energy-saving mode, obtain the solar input power delivered by the photovoltaic panel group to the air conditioner body, and make a judgment according to the solar input power;

It is determined that the minimum input power of the solar energy meets the minimum frequency operation requirement of the air conditioner body, and then the photovoltaic panel group supplies power to the air conditioner body;

If it is determined that the minimum input power of the solar energy does not meet the minimum frequency operation requirement of the air conditioner body, then the solar energy and the mains power supply the air conditioner body together.

According to an embodiment of the present invention, in the step of determining that the minimum input power of solar energy satisfies the minimum frequency operation requirement of the air conditioner body, using solar energy to supply power to the air conditioner body through the photovoltaic panel group, specifically include:

Obtain the solar radiation intensity received by the photovoltaic panel group;

If it is determined that the solar radiation intensity satisfies a preset amplitude threshold, then the photovoltaic panel group provides electric energy to the air conditioner body;

If it is determined that the solar radiation intensity does not meet the preset amplitude threshold, the photovoltaic panel group transmits solar energy to the air conditioner body with maximum input power.

According to an embodiment of the present invention, in the step of determining that the minimum input power of the solar energy does not meet the minimum frequency operation requirement of the air conditioner body, the step of jointly supplying power to the air conditioner body by the solar energy and mains power, specifically include:

Obtain the solar radiation intensity received by the photovoltaic panel group;

Determine the power supply ratio of the solar energy and commercial power to the air conditioner body according to the solar radiation intensity, and according to the power supply ratio, the solar power and the commercial power supply the electric energy that meets the minimum frequency operation requirements of the air conditioner body.

According to an embodiment of the present invention, the step of transmitting the electric energy that meets the minimum frequency operation requirements of the air conditioner body according to the power supply ratio of the solar energy and the commercial power, specifically includes:

The photovoltaic panel group transmits electric energy to the air conditioner body with the maximum input power of solar energy.

According to an embodiment of the present invention, the step of obtaining the solar input power delivered by the photovoltaic panel group to the air conditioner body, and judging according to the solar input power specifically includes:

During the continuous collection time period, obtain the solar power characteristics delivered by the photovoltaic panel group to the air conditioner body;

Determine an adjustment characteristic value according to the photovoltaic panel group, the air conditioner body, and the solar power characteristics, and the adjustment characteristic value satisfies the safety threshold of the photovoltaic panel group and the air conditioner body;

The minimum input power of solar energy is determined according to the adjustment characteristic value and the solar power characteristic.

According to an embodiment of the present invention, the adjustment characteristic value is a current waveform formed by N current values delivered in a continuous time period, where N is a positive integer greater than or equal to 2.

According to an embodiment of the present invention, the step of determining the minimum solar energy input power according to the adjustment characteristic value and the solar power characteristic specifically includes:

Obtaining the original power characteristic curve of the solar power characteristic within the continuous collection time period;

Adjust the original power characteristic curve M times according to the adjusted characteristic value to obtain M adjusted power characteristic curves, where M is a positive integer greater than or equal to 2;

The minimum input power of solar energy is determined according to the M adjusted power characteristic curves.

According to an embodiment of the present invention, the step of determining the minimum input power of solar energy according to the M adjusted power characteristic curves specifically includes:

Extracting the suspected minimum solar input power of each of the adjusted power characteristic curves, and forming a feature sequence comprising M of the suspected minimum solar input powers;

Compare all the suspected solar minimum input powers in the feature sequence one by one in order, determine the minimum value of the M suspected solar minimum input powers, and use the suspected solar minimum input power corresponding to the minimum value as the solar energy Minimum input power.

According to the second aspect of the present invention, an energy-saving operation control device for an air conditioner includes: an acquisition judgment module, a first determination module, and a second determination module;

The obtaining and judging module is used to respond to the start signal of the energy-saving mode, obtain the solar input power delivered by the photovoltaic panel group to the air conditioner body, and judge according to the solar input power;

The first determination module is used to determine that the minimum input power of the solar energy meets the minimum frequency operation requirement of the air conditioner body, and then the photovoltaic panel group supplies power to the air conditioner body;

The second determination module is used to determine that the minimum input power of the solar energy does not meet the minimum frequency operation requirement of the air conditioner body, and then the solar energy and commercial power supply power for the air conditioner body together.

According to the air conditioner provided by the third aspect of the present invention, when performing energy-saving control, the above-mentioned energy-saving operation control method of the air conditioner is adopted, or the above-mentioned energy-saving operation control device of the air conditioner is included.

The above-mentioned one or more technical solutions in the present invention have at least one of the following technical effects: In the energy-saving operation control method and device of an air conditioner and the air conditioner provided by the present invention, the minimum input power of solar energy that supplies power to the photovoltaic panel group Make judgments, and select the control method according to whether the solar energy can meet the minimum frequency operation requirements of the air conditioner body, thereby satisfying the user experience, and avoiding the problem of shortened life of the air conditioner due to unstable power supply.

Description of drawings

In order to illustrate the present invention or the technical solution in the prior art more clearly, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description are the present invention. For some embodiments of the invention, those skilled in the art can also obtain other drawings based on these drawings without creative effort.

Fig. 1 is a schematic diagram of the arrangement relationship of the air conditioner provided by the present invention;

Fig. 2 is a schematic flow chart of an energy-saving operation control method of an air conditioner provided by the present invention;

Fig. 3 is a schematic structural diagram of an energy-saving operation control device for an air conditioner provided by the present invention.

Reference signs:

10. Photovoltaic panel group; 20. Air conditioner body;

30. An acquisition judgment module; 40. A first determination module; 50. A second determination module.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right" , "vertical", "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing this The embodiments and simplified descriptions of the invention do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the embodiments of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

The present invention will be specifically described below in combination with specific embodiments.

In some specific embodiments of the present invention, as shown in Figures 1 and 2, this solution provides an energy-saving operation control method for an air conditioner. The air conditioner includes: a photovoltaic panel group 10 and an air conditioner body 20, a photovoltaic panel group 10 and The air conditioner body 20 is connected to provide solar energy to the air conditioner body 20;

Methods include:

In response to the start signal of the energy-saving mode, obtain the solar input power delivered by the photovoltaic panel group 10 to the air conditioner body 20, and judge according to the solar input power;

It is determined that the minimum input power of solar energy meets the minimum frequency operation requirement of the air conditioner body 20, and then the photovoltaic panel group 10 supplies power to the air conditioner body 20;

If it is determined that the minimum input power of solar energy does not meet the minimum frequency operation requirement of the air conditioner body 20 , then the solar energy and the mains supply power for the air conditioner body 20 together.

In detail, the present invention judges the minimum input power of solar energy supplied by the photovoltaic panel group, and selects the control mode according to whether the solar energy can meet the minimum frequency operation requirements of the air conditioner body, thereby satisfying the user experience and avoiding the air conditioner due to Unstable power supply leads to the problem of shortened lifespan.

It should be noted that, according to the energy-saving mode selected by the user, the solar input power is obtained and judged, and the connection between the minimum solar input power and the minimum frequency operation demand of the air conditioner body 20 is established, and the air conditioner body is adjusted according to the minimum solar input power. The operating mode of 20, while realizing energy saving and emission reduction, also ensures that the air conditioner body 20 can run under the premise that both energy consumption and environmental regulation can meet the needs of users, and avoids the insufficient power supply that causes the air conditioner body 20 to have low functions and high The condition of operating under the frequency ensures the service life of the air conditioner body 20 and avoids damage to the related equipment of the air conditioner body 20 .

In some possible embodiments of the present invention, it is determined that the minimum input power of solar energy satisfies the minimum frequency operation requirement of the air conditioner body 20, and then the step of using solar energy to supply power to the air conditioner body 20 through the photovoltaic panel group 10 specifically includes:

Obtain the solar radiation intensity received by the photovoltaic panel group 10;

Determine that the solar radiation intensity meets the preset amplitude threshold, then the photovoltaic panel group 10 provides electric energy to the air conditioner body 20;

If it is determined that the solar radiation intensity does not meet the preset amplitude threshold, the photovoltaic panel group 10 transmits solar energy to the air conditioner body 20 with the maximum input power.

Specifically, this embodiment provides an implementation mode in which solar energy is used to supply power to the air conditioner body 20 through the photovoltaic panel group 10. On the premise that the minimum input power of solar energy meets the minimum frequency operation requirements of the air conditioner body 20, the solar radiation intensity Obtaining, judging the battery life of solar energy according to the intensity of solar radiation, and then determining the power supply ratio of solar energy and commercial power according to the battery life, ensuring that the operation mode selected by the air conditioner body 20 can run stably, and the power supply of each device in the air conditioner body 20 can be Stable, reducing equipment damage caused by sudden fluctuations in power supply performance.

Further, when it is found that the solar radiation intensity cannot meet the preset amplitude threshold, the photovoltaic panel group 10 transmits solar energy to the air conditioner body 20 with the maximum input power, so as to ensure the operation requirements of the air conditioner body 20, ensure the operation requirements of the air conditioner body 20 and the user's Under the premise of the environment adjustment experience, at the same time avoid the corresponding equipment in the air conditioner body 20 in the case of low radiation, which will cause damage to the related equipment of the air conditioner body 20.

In some possible embodiments of the present invention, if it is determined that the minimum input power of solar energy does not meet the minimum frequency operation requirement of the air conditioner body 20, the step of jointly supplying power to the air conditioner body 20 by solar energy and commercial power specifically includes:

Obtain the solar radiation intensity received by the photovoltaic panel group 10;

Determine the power supply ratio of solar energy and commercial power to the air conditioner body 20 according to the solar radiation intensity, and deliver the electric energy that meets the minimum frequency operation requirements of the industrial air conditioner body 20 according to the power supply ratio.

Specifically, this embodiment provides an embodiment in which solar energy and commercial power jointly supply power to the air conditioner body 20. By obtaining the intensity of solar radiation, the ratio of commercial power and solar power can be determined. On the premise that the air conditioner body 20 is powered, the problem of power supply fluctuations caused by unstable solar energy and further damage to the corresponding equipment of the air conditioner body 20 is avoided.

In a possible implementation mode, if the solar radiation intensity can meet the power supply demand of the air conditioner body 20, solar energy and commercial power are used to supply power according to a certain ratio to ensure the demand for electric energy of the air conditioner body 20. In this power supply mode, solar energy and commercial power The power supply ratio of the electricity is stable. During the operation period of the air conditioner body 20, the solar energy and the mains supply power according to a stable power supply ratio. Adjustment.

In a possible implementation, although the solar radiation intensity can meet the power supply requirements of the air conditioner body 20, due to climate, sunshine or other factors, the solar radiation intensity fluctuates, and it is difficult to meet the stable input of the air conditioner body 20 during use. Under this power supply mode, solar energy and commercial power are used for power supply according to a certain ratio, but the power supply ratio is dynamically adjusted. Under the premise of ensuring the demand for electric energy of the air conditioner body 20, during the operation period of the air conditioner body 20, the solar energy and commercial power The power supply ratio of the air conditioner is dynamically adjusted to meet the demand for electric energy in the operating range of the air conditioner body 20, and at the same time ensure the safety of the corresponding equipment in the air conditioner body 20.

In some possible embodiments of the present invention, according to the power supply ratio of solar energy and commercial power, the step of delivering electric energy that meets the minimum frequency operation requirements of the industrial air conditioner body 20 specifically includes:

The photovoltaic panel group 10 transmits electric energy to the air conditioner body 20 with the maximum input power of solar energy.

Specifically, this embodiment provides an implementation of electric energy that meets the minimum frequency operation requirements of the industrial air conditioner body 20. On the premise that the minimum input power of solar energy does not meet the minimum frequency operation requirements of the air conditioner body 20, the photovoltaic panel group 10 uses solar energy The maximum input power transmits electric energy to the air conditioner body 20, which ensures that the operation mode selected by the air conditioner body 20 can run stably, and at the same time, the power supply to each device in the air conditioner body 20 can be stable, reducing equipment damage caused by sudden fluctuations in power supply performance.

In some possible embodiments of the present invention, the step of obtaining the solar input power delivered by the photovoltaic panel group 10 to the air conditioner body 20 and making a judgment according to the solar input power specifically includes:

In the continuous acquisition time period, obtain the solar power characteristics delivered by the photovoltaic panel group 10 to the air conditioner body 20;

Determine the adjustment characteristic value according to the photovoltaic panel group 10, the air conditioner body 20 and the solar power characteristics, and the adjustment characteristic value meets the safety threshold of the photovoltaic panel group 10 and the air conditioner body 20;

The solar minimum input power is determined according to the adjustment characteristic value and the solar power characteristic.

Specifically, this embodiment provides an implementation method of judging according to the input power of solar energy, by acquiring the characteristics of the solar power delivered from the photovoltaic panel group 10 to the air conditioner body 20, and adjusting the characteristics of the solar power according to the adjustment characteristic value , and then can determine the minimum input power of solar energy, and provide data support for a series of subsequent judgments based on the minimum input power of solar energy.

It should be noted that, by increasing a certain disturbance value, the solar energy delivered by the photovoltaic panel group 10 is disturbed, and the corresponding characteristics of the solar energy delivered by the photovoltaic panel group 10 are observed under the action of the disturbance value, and then the minimum input of solar energy can be judged. Power, to achieve minimum power point tracking.

In some possible embodiments of the present invention, the adjustment characteristic value is a current waveform formed by N current values delivered in a continuous time period, where N is a positive integer greater than or equal to 2.

Specifically, this embodiment provides an implementation of adjusting the characteristic value. By using the current waveform formed by continuously inputting N current values as the adjusting characteristic value, the adjustment of the solar power characteristic is realized. The solar power characteristic is in the input Under the action of the current waveform, it presents a slight oscillation. This feature is used to obtain the corresponding fluctuation characteristics of the solar input power under the action of the current waveform, and then judge the minimum input power of the solar energy that the photovoltaic panel group 10 transmits to the air conditioner body 20 according to the fluctuation characteristics.

In some possible embodiments of the present invention, the step of determining the minimum input power of solar energy according to the adjustment characteristic value and solar power characteristics specifically includes:

Obtain the original power characteristic curve of solar power characteristics in the continuous acquisition time period;

Adjusting M times of original power characteristic curves according to the adjustment characteristic value to obtain M adjusted power characteristic curves, where M is a positive integer greater than or equal to 2;

The minimum input power of solar energy is determined according to the M adjusted power characteristic curves.

Specifically, this embodiment provides an implementation method for determining the minimum input power of solar energy. After the current waveform is input, the solar power characteristics show a small vibration, so the original power characteristic curve will change under the action of the input voltage. The M adjusted power characteristic curves are obtained, and finally the minimum power of solar energy delivered by the photovoltaic panel group 10 to the air conditioner body 20 is determined according to the M adjusted power characteristic curves, that is, the minimum input power of solar energy.

In some possible embodiments of the present invention, the step of determining the minimum input power of solar energy according to the M adjusted power characteristic curves specifically includes:

Extracting the suspected solar minimum input power of each adjusted power characteristic curve, and forming a feature sequence containing M suspected solar minimum input powers;

Compare all suspected solar minimum input powers in the feature sequence one by one in order, determine the minimum value of the M suspected solar minimum input powers, and use the suspected solar minimum input power corresponding to the minimum value as the solar minimum input power.

Specifically, this embodiment provides another implementation method for determining the minimum input power of solar energy. After adjusting the solar power characteristics according to the adjustment characteristic value, obtain M adjusted power characteristic curves, and extract each adjusted power characteristic curve. The suspected solar minimum input power, the suspected solar minimum input power is the lower input power position in the solar power characteristics, and the input power at the lower position will show a large change when it is adjusted by the voltage input.

Further, by obtaining the minimum input power of M suspected solar energy, the efficiency of tracking the minimum power point is improved, and by comparing the minimum value of the M suspected minimum input power of solar energy one by one in order, the minimum input power of solar energy is finally determined The energy-saving operation of the subsequent air conditioner body 20 is performed according to the minimum input power of solar energy.

In some specific implementations of the present invention, as shown in FIG. 3 , this solution provides an energy-saving operation control device for an air conditioner, including: an acquisition judgment module 30 , a first determination module 40 and a second determination module 50 ;

The acquiring and judging module 30 is used to respond to the start signal of the energy-saving mode, acquire the solar input power delivered by the photovoltaic panel group 10 to the air conditioner body 20, and judge according to the solar input power;

The first determination module 40 is used to determine that the minimum input power of solar energy meets the minimum frequency operation requirement of the air conditioner body 20, and then the photovoltaic panel group 10 supplies power to the air conditioner body 20;

The second determination module 50 is used to determine that the minimum input power of solar energy does not meet the minimum frequency operation requirement of the air conditioner body 20 , and then the solar energy and the mains supply power for the air conditioner body 20 together.

Optionally, if it is determined that the minimum input power of solar energy satisfies the minimum frequency operation requirement of the air conditioner body 20, then the step of using solar energy to supply power to the air conditioner body 20 through the photovoltaic panel group 10 specifically includes:

Obtain the solar radiation intensity received by the photovoltaic panel group 10;

Determine that the solar radiation intensity meets the preset amplitude threshold, then the photovoltaic panel group 10 provides electric energy to the air conditioner body 20;

If it is determined that the solar radiation intensity does not meet the preset amplitude threshold, the photovoltaic panel group 10 transmits solar energy to the air conditioner body 20 with the maximum input power.

Optionally, if it is determined that the minimum input power of solar energy does not meet the minimum frequency operation requirements of the air conditioner body 20, then the step of jointly supplying power to the air conditioner body 20 by solar energy and commercial power includes:

Obtain the solar radiation intensity received by the photovoltaic panel group 10;

Determine the power supply ratio of solar energy and commercial power to the air conditioner body 20 according to the solar radiation intensity, and deliver the electric energy that meets the minimum frequency operation requirements of the industrial air conditioner body 20 according to the power supply ratio.

Optionally, according to the power supply ratio of solar energy and commercial power, the step of delivering electric energy that meets the minimum frequency operation requirements of the industrial air conditioner body 20 specifically includes:

The photovoltaic panel group 10 transmits electric energy to the air conditioner body 20 with the maximum input power of solar energy.

Optionally, the step of obtaining the solar input power delivered by the photovoltaic panel group 10 to the air conditioner body 20, and making a judgment according to the solar input power specifically includes:

In the continuous acquisition time period, obtain the solar power characteristics delivered by the photovoltaic panel group 10 to the air conditioner body 20;

Determine the adjustment characteristic value according to the photovoltaic panel group 10, the air conditioner body 20 and the solar power characteristics, and the adjustment characteristic value meets the safety threshold of the photovoltaic panel group 10 and the air conditioner body 20;

The solar minimum input power is determined according to the adjustment characteristic value and the solar power characteristic.

Optionally, the adjusted characteristic value is a current waveform formed by N current values delivered in a continuous time period, where N is a positive integer greater than or equal to 2.

Optionally, in the step of determining the minimum solar energy input power according to the adjustment characteristic value and the solar power characteristic, it specifically includes:

Obtain the original power characteristic curve of solar power characteristics in the continuous acquisition time period;

Adjusting M times of original power characteristic curves according to the adjustment characteristic value to obtain M adjusted power characteristic curves, where M is a positive integer greater than or equal to 2;

The minimum input power of solar energy is determined according to the M adjusted power characteristic curves.

Optionally, in the step of determining the minimum input power of solar energy according to the M adjusted power characteristic curves, it specifically includes:

Extracting the suspected solar minimum input power of each adjusted power characteristic curve, and forming a feature sequence containing M suspected solar minimum input powers;

Compare all suspected solar minimum input powers in the feature sequence one by one in order, determine the minimum value of the M suspected solar minimum input powers, and use the suspected solar minimum input power corresponding to the minimum value as the solar minimum input power.

In some specific implementations of the present invention, the solution provides an air conditioner, which adopts the above-mentioned energy-saving operation control method of the air conditioner, or includes the above-mentioned energy-saving operation control device of the air conditioner when performing energy-saving control.

In the description of the embodiments of the present invention, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection, Or integrated connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the embodiments of the present invention according to specific situations.

In the description of this specification, descriptions with reference to the terms "one embodiment", "some embodiments", "mode", "specific ways", or "some ways" mean specific features described in conjunction with the embodiment or mode , structure, material or feature is included in at least one embodiment or mode of the embodiments of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or mode. Furthermore, the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or modes. In addition, those skilled in the art can combine and combine different embodiments or modes and features of different embodiments or modes described in this specification without conflicting with each other.

Finally, it should be noted that: the above embodiments are only used to illustrate the present invention, but not to limit the present invention. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art should understand that various combinations, modifications or equivalent replacements of the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention, and all should cover Within the scope of the claims of the present invention.

Claims (10)

1. An energy-saving operation control method of an air conditioner, the air conditioner comprising: the solar air conditioner comprises a photovoltaic panel group (10) and an air conditioner body (20), wherein the photovoltaic panel group (10) is connected with the air conditioner body (20) and is used for providing solar energy for the air conditioner body (20);

the method comprises the following steps:

responding to a starting signal of an energy-saving mode, acquiring solar input power transmitted to the air conditioner body (20) by the photovoltaic panel group (10), and judging according to the solar input power;

determining that the lowest solar input power meets the lowest frequency operation requirement of the air conditioner body (20), and supplying power to the air conditioner body (20) by the photovoltaic panel group (10);

and determining that the lowest solar input power does not meet the lowest frequency operation requirement of the air conditioner body (20), and supplying power to the air conditioner body (20) by the solar energy and the commercial power together.

2. The energy-saving operation control method of an air conditioner according to claim 1, wherein the step of determining that the lowest solar input power meets the lowest frequency operation requirement of the air conditioner body (20) and supplying power to the air conditioner body (20) by using solar energy through the photovoltaic panel group (10) specifically comprises:

acquiring the intensity of solar radiation received by the photovoltaic panel group (10);

if the solar radiation intensity is determined to meet a preset amplitude threshold value, the photovoltaic panel group (10) provides electric energy for the air conditioner body (20);

and if the solar radiation intensity is determined not to meet the preset amplitude threshold value, the photovoltaic panel group (10) transmits solar energy to the air conditioner body (20) at the maximum input power.

3. The energy-saving operation control method of an air conditioner according to claim 1, wherein the step of determining that the minimum solar input power does not meet the minimum frequency operation requirement of the air conditioner body (20), and then the step of supplying power to the air conditioner body (20) by the solar energy and the commercial power together specifically comprises:

acquiring the intensity of solar radiation received by the photovoltaic panel group (10);

and determining the power supply proportion of the solar energy and the commercial power to the air conditioner body (20) according to the solar radiation intensity, and transmitting the electric energy meeting the lowest frequency operation requirement of the air conditioner body (20) according to the power supply proportion, the solar energy and the commercial power.

4. The energy-saving operation control method of the air conditioner according to claim 3, wherein the step of transmitting the electric energy satisfying the lowest frequency operation requirement of the air conditioner body (20) by the solar energy and the commercial power according to the power supply ratio specifically comprises:

the photovoltaic panel group (10) transmits electric energy to the air conditioner body (20) with the maximum solar input power.

5. The energy-saving operation control method of the air conditioner according to any one of claims 1 to 4, wherein the step of obtaining the solar input power transmitted by the photovoltaic panel group (10) to the air conditioner body (20) and judging according to the solar input power specifically comprises:

acquiring the solar power characteristics transmitted to the air conditioner body (20) by the photovoltaic panel group (10) in a continuous acquisition time period;

determining an adjustment characteristic value according to the photovoltaic panel group (10), the air conditioner body (20) and the solar power characteristic, wherein the adjustment characteristic value meets a safety threshold of the photovoltaic panel group (10) and the air conditioner body (20);

and determining the solar lowest input power according to the adjusting characteristic value and the solar power characteristic.

6. The energy-saving operation control method of an air conditioner according to claim 5, wherein the adjustment characteristic value is a current waveform formed by N current values supplied in consecutive time periods, N being a positive integer equal to or greater than 2.

7. The energy-saving operation control method of an air conditioner according to claim 5, wherein the step of determining the solar minimum input power according to the adjustment characteristic value and the solar power characteristic specifically includes:

acquiring an original power characteristic curve of the solar power characteristics within a continuous acquisition time period;

adjusting the original power characteristic curve for M times according to the adjustment characteristic value to obtain M adjustment power characteristic curves, wherein M is a positive integer greater than or equal to 2;

and determining the lowest solar input power according to the M adjusted power characteristic curves.

8. The energy-saving operation control method of an air conditioner according to claim 7, wherein the step of determining the lowest solar input power according to the M adjusted power characteristic curves specifically includes:

extracting suspected solar lowest input power of each adjusted power characteristic curve, and forming a characteristic sequence containing M suspected solar lowest input powers;

and comparing all the suspected solar lowest input powers in the characteristic sequence one by one according to the sequence, determining the minimum value of the M suspected solar lowest input powers, and taking the suspected solar lowest input power corresponding to the minimum value as the solar lowest input power.

9. An energy-saving operation control device of an air conditioner, comprising: the device comprises an acquisition judging module (30), a first determining module (40) and a second determining module (50);

the obtaining and judging module (30) is used for responding to a starting signal of an energy-saving mode, obtaining solar input power transmitted to the air conditioner body (20) by the photovoltaic panel group (10), and judging according to the solar input power;

the first determining module (40) is used for determining that the solar minimum input power meets the lowest frequency operation requirement of the air conditioner body (20), and then the photovoltaic panel group (10) supplies power to the air conditioner body (20);

the second determining module (50) is used for determining that the lowest solar input power does not meet the lowest frequency operation requirement of the air conditioner body (20), and then the solar energy and the commercial power supply jointly supply power to the air conditioner body (20).

10. An air conditioner characterized in that, when performing an energy saving control, the energy saving operation control method of the air conditioner according to any one of claims 1 to 8 is employed or the energy saving operation control apparatus of the air conditioner according to claim 9 is included.

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