CN111102722A

CN111102722A - Air conditioner and condensation preventing method thereof

Info

Publication number: CN111102722A
Application number: CN201811255200.6A
Authority: CN
Inventors: 许文明; 罗荣邦
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Haier Smart Home Co Ltd; Chongqing Haier Air Conditioner Co Ltd
Priority date: 2018-10-26
Filing date: 2018-10-26
Publication date: 2020-05-05
Anticipated expiration: 2038-10-26
Also published as: CN111102722B

Abstract

The invention discloses an air conditioner and a condensation preventing method thereof, and belongs to the technical field of air conditioners. The method comprises the steps of obtaining a first indoor humidity and a first indoor temperature of the environment where the air conditioner is located; if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode; the preset first condensation condition comprises that the first indoor humidity is greater than a first humidity threshold value, and the duration of the first indoor temperature which is greater than a temperature threshold value is greater than or equal to a first duration; the dehumidification mode comprises the steps of controlling a compressor of the air conditioner to be switched to a first set frequency, controlling the air deflector to be switched to a set air outlet angle and continuously operating for a second time; acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode; and if the second indoor humidity meets the preset second condensation condition, controlling the air conditioner to operate in the condensation prevention mode. According to the invention, through the control flow combining the dehumidification mode and the condensation prevention mode, the occurrence of air conditioner condensation problem can be reduced, and the use experience of a user is improved.

Description

Air conditioner and condensation preventing method thereof

Technical Field

The invention relates to the technical field of air conditioners, in particular to an air conditioner and a condensation preventing method thereof.

Background

Along with the improvement of the living standard of people, air conditioning equipment has also gone into thousands of households, the use of household air conditioners and central air conditioners is more and more common, the requirement of users on the comfort level of the air conditioner is higher and higher, the problems existing in the use process of the air conditioner are also gradually exposed, and one of the problems is the condensation problem of an air conditioner evaporator and an air duct.

The reasons for the condensation of the air conditioner are as follows: (1) the air humidity in the air-conditioning area direction is high; (2) in the range of the air-conditioning area, because the new air exhaust system is unreasonably arranged, overlarge negative pressure is generated, and outdoor air enters the room, so that the humidity and the condensation dew point of the air conditioner are improved; (3) the air conditioner adopts large temperature difference air supply, and air supply quantity and cold quantity of the machine are not allocated, so that cold quantity is too large, and air quantity is too small; (4) the air supply outlet is made of aluminum materials, and due to the good heat conduction performance, the surface temperature of the air outlet materials is too low, and dew is condensed.

Especially, the air conditioner that moves in the high temperature and high humidity environment can appear condensation drop on baffle and panel after the operating duration overlength, also can appear a large amount of condensate on the evaporimeter, will appear blowing and the condition of dripping when the air conditioner is to indoor air supply, has influenced user's use and has experienced, therefore the air conditioner condensation problem is waited for a long time to solve.

Disclosure of Invention

The invention provides an air conditioner and a method for preventing condensation thereof, and aims to solve the problem that condensation is easy to generate in the conventional air conditioner. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

According to a first aspect of the present invention, there is provided a method of preventing condensation of an air conditioner, the method comprising:

acquiring a first indoor humidity and a first indoor temperature of an environment where an air conditioner is located;

if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode; the preset first condensation condition comprises that the first indoor humidity is greater than a first humidity threshold value, and the duration of the first indoor temperature which is greater than a temperature threshold value is greater than or equal to a first duration; the dehumidification mode comprises the steps of controlling a compressor of the air conditioner to be switched to a first set frequency, controlling the air deflector to be switched to a set air outlet angle and continuously operating for a second time;

acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

and if the second indoor humidity meets the preset second condensation condition, controlling the air conditioner to operate in the condensation prevention mode.

In an optional embodiment, the control of the air conditioner operation condensation prevention mode comprises the steps of controlling and adjusting one or more operation parameters of the air conditioner to enable the temperature of an inner coil of the air conditioner to be increased to a preset target coil temperature for reducing condensation of water vapor into dew;

the target coil temperature is greater than the condensation temperature of the current operating condition.

In an alternative embodiment, the target coil temperature should also satisfy the following relationship:

the second indoor temperature-the target coil temperature is less than or equal to A;

and A is a calculation threshold, and the second indoor temperature is the second indoor temperature obtained after the air conditioner operates in the dehumidification mode.

In an optional embodiment, the control method further comprises:

determining a calculation threshold value A based on the coil temperature and a preset incidence relation when the air conditioner operates in a dehumidification mode; the preset incidence relation is used for representing the positive correlation corresponding relation between the coil temperature and the calculation threshold A when the air conditioner operates in the dehumidification mode.

In an alternative embodiment, controlling and adjusting one or more operating parameters of an air conditioner includes:

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

the throttling device of the air conditioner operates at a large opening flow rate;

the air guide component of the indoor unit of the air conditioner is switched to a set air outlet angle.

According to a second aspect of the present invention, there is also provided an air conditioner including an air conditioner body provided with:

a sensor for: acquiring a first indoor humidity and a first indoor temperature of an environment where an air conditioner is located; acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

a controller to: if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode; the preset first condensation condition comprises that the first indoor humidity is greater than a first humidity threshold value, and the duration of the first indoor temperature which is greater than a temperature threshold value is greater than or equal to a first duration; the dehumidification mode comprises the steps of controlling a compressor of the air conditioner to be switched to a first set frequency, controlling the air deflector to be switched to a set air outlet angle and continuously operating for a second time; and

In an alternative embodiment, the controller is specifically configured to controllably adjust one or more operating parameters of the air conditioner to raise an internal coil temperature of the air conditioner to a preset target coil temperature for reducing condensation of water vapor into dew;

In an alternative embodiment, the controller is further configured to:

In an alternative embodiment, the controller is specifically configured to:

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

The invention adopts the technical scheme and has the beneficial effects that:

the air conditioner condensation preventing method provided by the invention can accurately judge whether the current running state and the environmental condition of the air conditioner possibly cause the condensation problem of the air conditioner by combining the parameters such as indoor temperature and humidity acquired for many times and the preset condensation condition, and can reduce the condensation problem of the air conditioner and improve the use experience of users by combining a dehumidification mode and a condensation preventing mode.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

FIG. 1 is a schematic flow diagram illustrating a method of preventing condensation in an air conditioner according to an exemplary embodiment of the present invention;

FIG. 2 is a schematic flow diagram illustrating a method of preventing condensation in an air conditioner according to the present invention, in accordance with yet another exemplary embodiment;

FIG. 3 is a schematic flow diagram illustrating a method of preventing condensation in an air conditioner according to the present invention, in accordance with yet another exemplary embodiment;

FIG. 4 is a schematic flow chart diagram illustrating a method of preventing condensation in an air conditioner according to the present invention, in accordance with yet another exemplary embodiment;

FIG. 5 is a schematic flow chart diagram illustrating a method of preventing condensation in an air conditioner according to the present invention, in accordance with yet another exemplary embodiment;

FIG. 6 is a schematic flow chart illustrating a method of preventing condensation in an air conditioner according to the present invention, in accordance with yet another exemplary embodiment;

FIG. 7 is a schematic flow chart diagram illustrating a method of preventing condensation in an air conditioner according to the present invention, in accordance with yet another exemplary embodiment;

FIG. 8 is a schematic flow chart diagram illustrating a method of preventing condensation in an air conditioner according to the present invention, in accordance with yet another exemplary embodiment;

fig. 9 is a flowchart illustrating a method of preventing condensation of an air conditioner according to the present invention, according to still another exemplary embodiment.

Detailed Description

The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. As for the methods, products and the like disclosed by the embodiments, the description is simple because the methods correspond to the method parts disclosed by the embodiments, and the related parts can be referred to the method parts for description.

Fig. 1 is a schematic flow chart illustrating a method for preventing condensation of an air conditioner according to an exemplary embodiment of the present invention.

As shown in fig. 1, the invention provides a method for preventing condensation of an air conditioner, which can be used for solving the problem that the air conditioner is easy to condense in environments of high temperature and high humidity in summer; specifically, the method mainly comprises the following steps:

s101, acquiring a first indoor humidity of an environment where an air conditioner is located;

optionally, the air conditioner of the present invention is provided with one or more sensors, wherein the sensors include a humidity sensor, and the humidity sensor can be used for detecting the current humidity of the environment where the air conditioner is located; therefore, in step S101, a first indoor humidity of the environment where the air conditioner is located can be obtained by the humidity sensor;

here, the first indoor humidity is the current humidity of the indoor environment before the method for preventing condensation is started, and the humidity level of the indoor environment directly influences whether condensation is generated in the air conditioner during operation and the amount of condensation.

Before executing the anti-condensation control process of the present invention, the air conditioner generally operates according to a mode originally set by a user, for example, in a high-temperature and high-humidity condition in summer, the air conditioner generally is set by the user to operate a cooling mode, and therefore, in an optional application scenario of the present invention, step S101 is to detect a humidity condition of an indoor environment through a humidity sensor during the operation of the air conditioner in the cooling mode.

S102, if the first indoor humidity meets a preset condensation condition, controlling the air conditioner to operate in a dehumidification mode;

optionally, the preset condensation condition is that the humidity is greater than or equal to a preset humidity threshold, for example, the humidity threshold is 70% or 75% of relative humidity. In this way, in step S102, in the case where the first indoor humidity is greater than or equal to the preset humidity threshold, it may be determined that the first indoor humidity satisfies the preset condensation condition, for example, the preset humidity threshold is 70% of the relative humidity, and if the first indoor humidity detected at the time of performing step S101 once is 60% of the relative humidity, it may be determined that the first indoor humidity does not satisfy the preset condensation condition; if the first indoor humidity detected when the step S101 is performed again is 80% of the relative humidity, it may be determined that the first indoor humidity satisfies the preset condensation condition.

Here, if the first indoor humidity satisfies a preset condensation condition, controlling the air conditioner to operate a dehumidification mode; alternatively, the dehumidification mode may be a dehumidification flow defined by the dehumidification mode already disclosed in the prior art. The air conditioner can increase condensed dew on the indoor unit of the air conditioner through the operation dehumidification mode, so that the phase state transformation and precipitation of water vapor in the indoor environment are accelerated, the water vapor content and the relative humidity in the air of the indoor environment can be reduced, the humidity condition of the indoor environment in the conventional mode (such as the refrigeration mode) of the air conditioner operation is changed, and then the condensation amount of the air conditioner is effectively reduced or even no condensation is generated in the conventional mode of the air conditioner operation.

In step S102, if the initial operation mode of the air conditioner operation is the cooling mode, the air conditioner is controlled to be switched from the cooling mode to the dehumidifying mode when the first indoor humidity meets the preset condensation condition.

And if the first indoor humidity does not meet the preset condensation condition, ending the control process.

S103, acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

optionally, the duration of the air-conditioning operation dehumidification mode in step S102 is a set duration, such as 10min, 15min, and the like, and step S103 is to detect the humidity condition of the indoor environment again after the air-conditioning operation initial mode reaches the set duration.

Here, the second indoor humidity in step S103 may also be detected by the humidity sensor in the foregoing.

And S104, if the second indoor humidity meets the preset condensation condition, controlling the air conditioner to operate in the condensation prevention mode.

Optionally, the condensation conditions preset in step S104 are the same as the condensation conditions in step S102;

alternatively, the preset condensation condition in step S104 is different from the condensation condition in step S102. For example, the preset condensation condition in step S104 is that the humidity is greater than or equal to the preset humidity threshold, but the humidity threshold in the condensation condition is smaller than the humidity threshold in the condensation condition in step S102, and if the humidity threshold in the condensation condition in step S102 is 70% of the relative humidity, the humidity threshold in the condensation condition in step S104 is 60%, 50%, and the like. In this way, in step S104, in the case where the second indoor humidity is greater than or equal to the preset humidity threshold, it may be determined that the second indoor humidity satisfies the preset condensation condition, for example, the preset humidity threshold is 60% relative humidity, and if the detected second indoor humidity is 55% relative humidity when step S103 is performed once, it may be determined that the second indoor humidity does not satisfy the preset condensation condition; if the detected second indoor humidity is 77% relative humidity when the step S103 is performed again, it may be determined that the second indoor humidity satisfies the preset condensation condition.

Here, the humidity threshold in the condensation condition preset in step S104 is set to be lower than the humidity threshold in the condensation condition preset in step S102, so that the humidity range which can satisfy the condensation-preventing condition of step S104 can be expanded, the condensation-preventing mode can be triggered to be started, and the indoor humidity which causes the condensation problem when the air conditioner operates in the normal operation mode can be further reduced.

In an optional embodiment, the control of the air conditioner operation condensation prevention mode specifically comprises the steps of controlling and adjusting one or more operation parameters of the air conditioner to enable the temperature of an inner coil of the air conditioner to be increased to a preset target coil temperature for reducing condensation of water vapor into dew; here, the target coil temperature is greater than the dew condensation temperature for the current operating conditions.

In this embodiment, the anti-condensation mode is to raise the temperature of the inner coil of the air conditioner to a temperature higher than the condensation temperature of the current working condition, so that the residual condensed water on the heat exchanger of the indoor unit is converted into a gaseous state, and the amount of the condensed water on the outer surface of the heat exchanger of the indoor unit is reduced. Here, since a large amount of moisture in the indoor ambient air has been condensed when the air conditioner operates the dehumidification mode in step S102, the moisture content of the indoor environment has been effectively reduced in step S102; after the air conditioner executes the integrated process, the air conditioner is switched to the previous working mode to operate (such as a refrigeration mode), and the temperature environment of water vapor condensation can be caused due to the lower temperature of the surface of the heat exchanger of the indoor unit during the operation of the refrigeration mode, so that the amount of condensed water on the surface of the heat exchanger of the indoor unit is increased. Aiming at the problem, when the condensation condition of the step S104 is met, the temperature of the inner coil is controlled to be increased, so that the residual water vapor of the air conditioner after the air conditioner operates in the dehumidification mode is evaporated, the residual condensed water on the outer surface of the heat exchanger of the indoor unit is reduced, the water quantity on the outer surface of the heat exchanger of the indoor unit after the air conditioner is switched back to the refrigeration mode can be reduced, and the condensation and water blowing problems of the air conditioner are solved on the premise that condensed water drops reach a certain volume.

Generally, in the dehumidification mode of air conditioning operation, the temperature of the coil of the indoor unit of the air conditioner is much lower than that in the cooling mode of air conditioning operation, and therefore, the temperature of the indoor environment is further lowered in the process of the dehumidification mode of air conditioning operation. In an alternative embodiment, in order to reduce the influence of the secondary temperature fluctuation on the indoor environment when the air conditioner operates in the anti-condensation mode, the target coil temperature should also satisfy the following relationship:

indoor temperature-target coil temperature is less than or equal to A;

wherein A is a calculation threshold value, and the indoor temperature is the indoor temperature obtained after the air conditioner operates the dehumidification mode.

Optionally, a is a predetermined fixed value, such as 5 ℃, i.e. the temperature difference between the room temperature and the target coil temperature after the increase is less than or equal to 5 ℃. Generally, the temperature of the target coil is lower than the indoor temperature, the temperature difference between the indoor temperature and the raised target coil temperature is maintained within 5 ℃, and the problems that the indoor temperature is further reduced and the body feeling comfort of a user is influenced under the condition that the temperature of the target coil is lower (the temperature difference between the indoor temperature and the raised target coil temperature is greater than 5 ℃) can be solved.

Alternatively, in yet another alternative embodiment, the calculated threshold A is a parameter determined based on the current operating conditions. Specifically, the control method further includes: and determining a calculation threshold value A based on the coil temperature in the dehumidification mode of the air conditioner and a preset incidence relation.

Here, before the air conditioner leaves the factory, after the air conditioner operates the dehumidification mode at different coil temperatures (e.g., 1 ℃, 2 ℃, etc.) in step S102 is measured and calculated in a manner of one or more sets of experimental measurements, and if the condensation condition in step S104 is satisfied, after the air conditioner operates the anti-condensation mode at different target coil temperatures, the amount of condensation water remaining on the outer surface of the heat exchanger of the indoor unit is calculated, and the target coil temperature corresponding to the minimum amount of condensation water remaining is associated with the coil temperature, so that the association relationship between the coil temperatures in the dehumidification mode of operation of one or more air conditioners and the target coil temperature in the anti-condensation mode can be obtained, and the association relationship is prestored in the air conditioner.

In this way, during the dehumidification mode in step S102, the air conditioner may detect the coil temperature of the indoor unit through another sensor, and in step S104, the calculation threshold a is found according to the detected coil temperature and the preset association relationship.

In an optional embodiment, in the preset correlation, the coil temperature in the dehumidification mode of the air conditioner and the calculation threshold a are in a positive correlation, that is, the higher the coil temperature in the dehumidification mode is, the smaller the reduction of the indoor environment temperature in the dehumidification process is, the larger the calculation threshold a may be set, at this time, because the dehumidification mode has a lower influence on the indoor environment temperature, the target coil temperature setting value in the condensation prevention mode of the air conditioner may also be lower, so that the overall influence of the control flow combining the dehumidification mode and the condensation prevention mode on the indoor environment temperature may also be controlled within a limited range.

On the contrary, the lower the coil temperature in the dehumidification mode is, the smaller the calculation threshold a is set to, so that the target coil temperature setting value in the air conditioner performing the anti-condensation mode may also be higher and close to the indoor temperature to compensate for the reduced temperature of the indoor environment caused in the dehumidification mode, and prevent the indoor temperature from being reduced and deviating from the comfortable temperature range desired by the user.

In an alternative embodiment, controlling and adjusting one or more operating parameters of the air conditioner includes:

a compressor of the air conditioner operates at a low frequency; optionally, a plurality of working frequency values or frequency ranges may be preset in the compressor of the air conditioner from low to high, where the air conditioner is adjusted to a lower working frequency value or frequency range when the compressor of the air conditioner operates in the anti-condensation mode;

an inner fan of the air conditioner runs at a high wind gear; the air conditioner is characterized in that a plurality of wind speed gears are preset on an inner fan of the air conditioner, such as a low wind gear, a medium wind gear and a high wind gear, the rotating speeds of the fans at the three gears are sequentially increased, and the air output of an indoor unit of the air conditioner is sequentially increased;

an outer fan of the air conditioner runs at a low wind gear; the method is characterized in that a gear setting mode similar to that of an inner fan of the air conditioner is adopted, a plurality of wind speed gears are preset on an outer fan of the air conditioner, such as a low wind gear, a medium wind gear and a high wind gear, the rotating speeds of the fans at the three gears are sequentially increased, and the air output of an outdoor unit of the air conditioner is sequentially increased;

the throttling device of the air conditioner operates at a large opening flow rate; optionally, a plurality of opening values or opening ranges can be preset in the throttling device of the air conditioner from small to large, and here, when the air conditioner operates in the anti-condensation mode, the throttling device of the air conditioner is adjusted to be a larger opening value or opening range;

the air guide component of the indoor unit of the air conditioner is switched to a set air outlet angle; optionally, the air guide assembly of the air conditioner comprises an air deflector provided with an air outlet of the air conditioner, wherein an air outlet angle is set as an angle at which the air conditioner can perform air outlet at the maximum air outlet amount, and at this time, the wind blocking influence of the air guide assembly on the air outlet airflow flowing through the air outlet is the lowest, so that the air outlet airflow with evaporated steam can be discharged out of the indoor unit as soon as possible.

Fig. 2 is a flowchart illustrating a method of preventing condensation of an air conditioner according to the present invention, according to still another exemplary embodiment.

As shown in fig. 2, the present invention provides another method for preventing condensation of an air conditioner, which can be used to solve the problem that the air conditioner is prone to condensation in environments such as high temperature and high humidity in summer; specifically, the method mainly comprises the following steps:

s201, acquiring a first indoor humidity and a first indoor temperature of an environment where an air conditioner is located;

in this embodiment, the specific manner of obtaining the first indoor humidity of the environment where the air conditioner is located in step S201 may refer to step S101 in the foregoing embodiment, which is not described herein again.

Similarly, the sensor of the air conditioner arrangement further comprises a temperature sensor operable to detect a first indoor temperature of an environment in which the air conditioner is located; thus, in step S201, the first indoor temperature is obtained by the temperature sensor.

S202, if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode;

optionally, the preset first condensation condition includes that a duration of the first indoor humidity being greater than a first humidity threshold (first humidity condition) and the first indoor temperature being greater than a temperature threshold (first temperature condition) is greater than or equal to a first duration;

the first humidity threshold is a preset threshold parameter, such as 70% or 75% of relative humidity. In this way, in step S202, in the case where the first indoor humidity is greater than the preset first humidity threshold, it may be determined that the first indoor humidity satisfies the first humidity condition among the preset condensation conditions, for example, the preset first humidity threshold is 70% of the relative humidity, and if the first indoor humidity detected at one time of performing step S201 is 60% of the relative humidity, it may be determined that the first indoor humidity does not satisfy the first humidity condition among the preset condensation conditions; if the first indoor humidity detected when the step S101 is performed again is 80% of the relative humidity, it may be determined that the first indoor humidity satisfies a first humidity condition of a preset condensation condition.

Similarly, the first temperature threshold is also a preset threshold parameter, such as 22 ℃, 23 ℃, and the like. In this way, in step S202, in the case where the first indoor temperature is greater than the preset first temperature threshold, it may be determined that the first indoor temperature satisfies the first temperature condition among the preset condensation conditions, for example, the preset first temperature threshold is 22 ℃, and if the first indoor temperature detected at the time of performing step S201 once is 20 ℃, it may be determined that the first indoor temperature does not satisfy the first temperature condition among the preset condensation conditions; if the first indoor temperature detected when step S201 is performed again is 25 ℃, it may be determined that the first indoor temperature satisfies a first temperature condition of a preset condensation condition.

Optionally, the first time period is 10 min.

Here, if the first indoor humidity and the first indoor temperature satisfy a preset first condensation condition, the air-conditioning operation dehumidification mode is controlled.

In the present embodiment, the dehumidification mode includes: controlling a compressor of the air conditioner to be switched to a first set frequency, performing first rotation speed compensation on an inner fan, switching an air deflector to a set air outlet angle, and continuously operating for a second time;

specifically, the first set frequency is a frequency value preset for the compressor, and optionally, the frequency value is a frequency value with a higher value so as to increase the exhaust temperature of the compressor, so that the temperature of a refrigerant flowing into the indoor unit heat exchanger after throttling can reach a lower temperature so as to improve the condensation and dehumidification effects; here, when the first indoor humidity and the first indoor temperature satisfy a preset first condensation condition, the air conditioner switches from a frequency corresponding to the previous operation mode to a first set frequency;

the first rotation speed compensation of the inner fan is a positive value or a negative value, when the first rotation speed compensation is the positive value, the rotation speed of the inner fan is increased, and when the first rotation speed compensation is the negative value, the rotation speed of the inner fan is reduced;

here, before the air conditioner leaves the factory, in the process of operating the air conditioner in the dehumidification mode at different coil temperatures (e.g., 1 ℃, 2 ℃, etc.) in step S202, the rate of moisture condensation on the outer surface of the heat exchanger of the indoor unit during the operation of the internal fan of the air conditioner at different rotation speeds is measured and calculated, and the rotation speed of the internal fan corresponding to the fastest rate of moisture condensation is associated with the coil temperature of the dehumidification mode, so that the association relationship between the coil temperature and the rotation speed of the internal fan during the operation of the dehumidification mode of one or more air conditioners can be obtained, and the association relationship is prestored in the air conditioner.

In this way, in the process of executing the dehumidification mode in step S202, the air conditioner may detect the coil temperature of the indoor unit through another sensor, and find and obtain the corresponding rotation speed of the inner fan according to the detected coil temperature and the preset association relationship. Therefore, the first rotation speed compensation is the difference value between the searched rotation speed and the rotation speed of the fan in the previous working mode of the air conditioner operation.

The air outlet angle of the air deflector can determine the air outlet volume of the air outlet of the air conditioner, the dehumidification capacity is different under different air volumes, and the purpose of improving the dehumidification capacity can be achieved by adjusting the air outlet angle of the air deflector.

Here, before the air conditioner leaves the factory, in the process of operating the air conditioner in the dehumidification mode at different coil temperatures (e.g., 1 ℃, 2 ℃, etc.) in step S202, the air deflector of the air conditioner operates at different air outlet angles and the rate of water vapor condensation on the outer surface of the indoor unit heat exchanger is measured, and the air outlet angle of the air deflector corresponding to the fastest rate of water vapor condensation is associated with the coil temperature in the dehumidification mode, so that the association relationship between the coil temperatures and the air outlet angles of the air deflectors when the one or more air conditioners operate in the dehumidification mode can be obtained, and the association relationship is prestored in the air conditioner.

In this way, in the process of executing the dehumidification mode in step S202, the air conditioner may detect the coil temperature of the indoor unit through another sensor, and find and obtain the corresponding air outlet angle of the air deflector according to the detected coil temperature and the preset association relationship.

Optionally, the second time period is 1 hour.

The air conditioner can increase condensed dew on the indoor unit of the air conditioner through the operation dehumidification mode, so that the phase state transformation and precipitation of water vapor in the indoor environment are accelerated, the water vapor content and the relative humidity in the air of the indoor environment can be reduced, the humidity condition of the indoor environment in the conventional mode (such as the refrigeration mode) of the air conditioner operation is changed, and then the condensation amount of the air conditioner is effectively reduced or even no condensation is generated in the conventional mode of the air conditioner operation.

And if the first indoor humidity and the first indoor temperature do not meet the preset condensation condition, ending the control process.

S203, acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

in this embodiment, the specific implementation process of acquiring the second indoor humidity in step S203 may refer to embodiment S201 in the foregoing, which is not described herein again.

And S204, if the second indoor humidity meets a preset second condensation condition, controlling the air conditioner to operate in an anti-condensation mode.

In this embodiment, the specific execution process of step S204 may refer to embodiment S104 in the foregoing, which is not described herein again.

In an optional embodiment, the control of the air conditioner operation condensation prevention mode comprises the steps of controlling and adjusting one or more operation parameters of the air conditioner to enable the temperature of an inner coil of the air conditioner to be increased to a preset target coil temperature for reducing condensation of water vapor into dew; the target coil temperature is greater than the condensation temperature of the current operating condition.

In an optional embodiment, the control method further comprises: determining a calculation threshold value A based on the coil temperature and a preset incidence relation when the air conditioner operates in a dehumidification mode; the preset incidence relation is used for representing the positive correlation corresponding relation between the coil temperature and the calculation threshold A when the air conditioner operates in the dehumidification mode.

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

Here, for the specific implementation processes of the multiple optional embodiments, reference may be made to the technical contents disclosed in the corresponding parts in the embodiment of fig. 1, which are not described herein again.

Fig. 3 is a flowchart illustrating a method of preventing condensation of an air conditioner according to the present invention, according to still another exemplary embodiment.

As shown in fig. 3, the present invention provides another method for preventing condensation of an air conditioner, which can be used to solve the problem that the air conditioner is prone to condensation in environments such as high temperature and high humidity in summer; specifically, the method mainly comprises the following steps:

s301, acquiring a first indoor humidity and a first indoor temperature of an environment where an air conditioner is located;

in this embodiment, the specific manner of acquiring the first indoor humidity and the first indoor temperature of the environment where the air conditioner is located in step S301 may refer to step S201 in the foregoing embodiment, which is not described herein again.

S302, if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling an air conditioner to operate in a dehumidification mode;

optionally, the specific setting of the preset first condensation condition may refer to S202 in the foregoing embodiment;

In the present embodiment, the dehumidification mode includes: controlling a compressor of the air conditioner to be switched to a first set frequency, performing first rotation speed compensation on an inner fan, and continuously operating for a second time;

here, before the air conditioner leaves the factory, in the process of the air conditioner running in the dehumidification mode at different coil temperatures (e.g., 1 ℃, 2 ℃, etc.) in step S302, the rate of moisture condensation on the outer surface of the heat exchanger of the indoor unit during the running of the internal fan of the air conditioner at different rotation speeds is measured and calculated, and the rotation speed of the internal fan corresponding to the fastest rate of moisture condensation is associated with the coil temperature of the dehumidification mode, so that the association relationship between the coil temperature and the rotation speed of the internal fan during the dehumidification mode of one or more air conditioners can be obtained, and the association relationship is prestored in the air conditioner.

In this way, in the process of executing the dehumidification mode in step S302, the air conditioner may detect the coil temperature of the indoor unit through another sensor, and find and obtain the corresponding rotation speed of the inner fan according to the detected coil temperature and the preset association relationship. Therefore, the first rotation speed compensation is the difference value between the searched rotation speed and the rotation speed of the fan in the previous working mode of the air conditioner operation.

Optionally, the second time period is 1 hour.

S303, acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

in this embodiment, the specific implementation process of acquiring the second indoor humidity in step S303 may refer to embodiment S301 in the foregoing, which is not described herein again.

And S304, if the second indoor humidity meets a preset second condensation condition, controlling the air conditioner to operate in an anti-condensation mode.

In this embodiment, the specific execution process of step S304 may refer to embodiment S104 in the foregoing, which is not described herein again.

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

Fig. 4 is a flowchart illustrating a method of preventing condensation of an air conditioner according to the present invention, according to still another exemplary embodiment.

As shown in fig. 4, the present invention provides another method for preventing condensation of an air conditioner, which can be used to solve the problem that the air conditioner is prone to condensation in environments such as high temperature and high humidity in summer; specifically, the method mainly comprises the following steps:

s401, acquiring a first indoor humidity and a first indoor temperature of an environment where an air conditioner is located;

in this embodiment, the specific manner of acquiring the first indoor humidity and the first indoor temperature of the environment where the air conditioner is located in step S401 may refer to step S201 in the foregoing embodiment, which is not described herein again.

S402, if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling an air conditioner to operate in a dehumidification mode;

In the present embodiment, the dehumidification mode includes: controlling a compressor of the air conditioner to be switched to a first set frequency, and controlling the air deflector to be switched to a set air outlet angle and continuously run for a second time;

Here, before the air conditioner leaves the factory, in the process of operating the air conditioner in the dehumidification mode at different coil temperatures (e.g., 1 ℃, 2 ℃, etc.) in step S402, the air deflector of the air conditioner operates at different air outlet angles and the rate of water vapor condensation on the outer surface of the indoor unit heat exchanger is measured, and the air outlet angle of the air deflector corresponding to the fastest rate of water vapor condensation is associated with the coil temperature in the dehumidification mode, so that the association relationship between the coil temperatures and the air outlet angles of the air deflectors when the one or more air conditioners operate in the dehumidification mode can be obtained, and the association relationship is prestored in the air conditioner.

In this way, in the process of executing the dehumidification mode in step S402, the air conditioner may detect the coil temperature of the indoor unit through another sensor, and find and obtain the corresponding air outlet angle of the air deflector according to the detected coil temperature and the preset association relationship.

Optionally, the second time period is 1 hour.

S403, acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

in this embodiment, the specific implementation process of acquiring the second indoor humidity in step S403 may refer to embodiment S401 in the foregoing, which is not described herein again.

And S404, if the second indoor humidity meets a preset second condensation condition, controlling the air conditioner to operate in an anti-condensation mode.

In this embodiment, the specific execution process of step S404 may refer to embodiment S104 in the foregoing, which is not described herein again.

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

Fig. 5 is a flowchart illustrating a method of preventing condensation of an air conditioner according to the present invention, according to still another exemplary embodiment.

As shown in fig. 5, the present invention provides another method for preventing condensation of an air conditioner, which can be used to solve the problem that the air conditioner is prone to condensation in environments such as high temperature and high humidity in summer; specifically, the method mainly comprises the following steps:

s501, acquiring a first indoor humidity and a first indoor temperature of an environment where an air conditioner is located;

in this embodiment, the specific manner of acquiring the first indoor humidity and the first indoor temperature of the environment where the air conditioner is located in step S501 may refer to step S201 in the foregoing embodiment, which is not described herein again.

S502, if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode;

In the present embodiment, the dehumidification mode includes: performing first rotation speed compensation on the inner fan, switching the air deflector to a set air outlet angle and continuously operating for a second time;

specifically, the first rotation speed compensation of the inner fan is a positive value or a negative value, when the first rotation speed compensation is the positive value, the rotation speed of the inner fan is increased, and when the first rotation speed compensation is the negative value, the rotation speed of the inner fan is reduced;

here, before the air conditioner leaves the factory, in the process of the air conditioner running in the dehumidification mode at different coil temperatures (e.g., 1 ℃, 2 ℃, etc.) in step S502, the rate of moisture condensation on the outer surface of the heat exchanger of the indoor unit during the running of the internal fan of the air conditioner at different rotating speeds is measured and calculated, and the rotating speed of the internal fan corresponding to the fastest rate of moisture condensation is associated with the coil temperature of the dehumidification mode, so that the association relationship between the coil temperature and the rotating speed of the internal fan during the dehumidification mode of one or more air conditioners can be obtained, and the association relationship is prestored in the air conditioner.

In this way, in the process of executing the dehumidification mode in step S502, the air conditioner may detect the coil temperature of the indoor unit through another sensor, and find and obtain the corresponding rotation speed of the inner fan according to the detected coil temperature and the preset association relationship. Therefore, the first rotation speed compensation is the difference value between the searched rotation speed and the rotation speed of the fan in the previous working mode of the air conditioner operation.

Here, before the air conditioner leaves the factory, in the process of operating the air conditioner in the dehumidification mode at different coil temperatures (e.g., 1 ℃, 2 ℃, etc.) in step S502, the air deflector of the air conditioner operates at different air outlet angles and the rate of water vapor condensation on the outer surface of the indoor unit heat exchanger is measured, and the air outlet angle of the air deflector corresponding to the fastest rate of water vapor condensation is associated with the coil temperature in the dehumidification mode, so that the association relationship between the coil temperatures and the air outlet angles of the air deflectors when the one or more air conditioners operate in the dehumidification mode can be obtained, and the association relationship is prestored in the air conditioner.

In this way, in the process of executing the dehumidification mode in step S502, the air conditioner may detect the coil temperature of the indoor unit through another sensor, and find and obtain the corresponding air outlet angle of the air deflector according to the detected coil temperature and the preset association relationship.

Optionally, the second time period is 1 hour.

S503, acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

in this embodiment, the specific execution process of acquiring the second indoor humidity in step S503 may refer to embodiment S501 in the foregoing, which is not described herein again.

And S504, if the second indoor humidity meets a preset second condensation condition, controlling the air conditioner to operate in an anti-condensation mode.

In this embodiment, the specific execution process of step S504 may refer to embodiment S104 in the foregoing, which is not described herein again.

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

Fig. 6 is a flowchart illustrating a method of preventing condensation of an air conditioner according to the present invention, according to still another exemplary embodiment.

As shown in fig. 6, the present invention provides another method for preventing condensation of an air conditioner, which can be used to solve the problem that the air conditioner is prone to condensation in environments such as high temperature and high humidity in summer; specifically, the method mainly comprises the following steps:

s601, acquiring a first indoor humidity and a first indoor temperature of an environment where an air conditioner is located;

in this embodiment, the specific manner of acquiring the first indoor humidity and the first indoor temperature of the environment where the air conditioner is located in step S601 may refer to step S201 in the foregoing embodiment, which is not described herein again.

S602, if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling an air conditioner to operate in a dehumidification mode;

In the present embodiment, the dehumidification mode includes: controlling a compressor of the air conditioner to be switched to a first set frequency and continuously run for a second time;

optionally, the second time period is 1 hour.

S603, acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

in this embodiment, the specific implementation process of acquiring the second indoor humidity in step S603 may refer to embodiment S601 in the foregoing, which is not described herein again.

And S604, if the second indoor humidity meets a preset second condensation condition, controlling the air conditioner to operate in an anti-condensation mode.

In this embodiment, the specific execution process of step S604 may refer to embodiment S104 in the foregoing, which is not described herein again.

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

Fig. 7 is a flowchart illustrating a method of preventing condensation of an air conditioner according to the present invention, according to still another exemplary embodiment.

As shown in fig. 7, the present invention provides another method for preventing condensation of an air conditioner, which can be used to solve the problem that the air conditioner is prone to condensation in environments such as high temperature and high humidity in summer; specifically, the method mainly comprises the following steps:

s701, acquiring a first indoor humidity and a first indoor temperature of an environment where an air conditioner is located;

in this embodiment, the specific manner of acquiring the first indoor humidity and the first indoor temperature of the environment where the air conditioner is located in step S701 may refer to step S201 in the foregoing embodiment, which is not described herein again.

S702, if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode;

In the present embodiment, the dehumidification mode includes: performing first rotation speed compensation on the inner fan and continuously operating for a second time;

here, before the air conditioner leaves the factory, in the process of operating the air conditioner in the dehumidification mode at different coil temperatures (e.g., 1 ℃, 2 ℃, etc.) in step S702, the rate of moisture condensation on the outer surface of the heat exchanger of the indoor unit during the operation of the internal fan of the air conditioner at different rotation speeds is measured and calculated, and the rotation speed of the internal fan corresponding to the fastest rate of moisture condensation is associated with the coil temperature of the dehumidification mode, so that the association relationship between the coil temperature and the rotation speed of the internal fan during the operation of the dehumidification mode of one or more air conditioners can be obtained, and the association relationship is prestored in the air conditioner.

In this way, in the process of executing the dehumidification mode in step S702, the air conditioner may detect the coil temperature of the indoor unit through another sensor, and find and obtain the corresponding rotation speed of the inner fan according to the detected coil temperature and the preset association relationship. Therefore, the first rotation speed compensation is the difference value between the searched rotation speed and the rotation speed of the fan in the previous working mode of the air conditioner operation.

Optionally, the second time period is 1 hour.

S703, acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

in this embodiment, the specific implementation process of acquiring the second indoor humidity in step S703 may refer to embodiment S701 in the foregoing, which is not described herein again.

And S704, if the second indoor humidity meets a preset second condensation condition, controlling the air conditioner to operate in an anti-condensation mode.

In this embodiment, the specific execution process of step S704 may refer to embodiment S104 in the foregoing, which is not described herein again.

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

Fig. 8 is a flowchart illustrating a method of preventing condensation of an air conditioner according to the present invention, according to still another exemplary embodiment.

As shown in fig. 8, the present invention provides another method for preventing condensation of an air conditioner, which can be used to solve the problem that the air conditioner is prone to condensation in environments such as high temperature and high humidity in summer; specifically, the method mainly comprises the following steps:

s801, acquiring a first indoor humidity and a first indoor temperature of an environment where an air conditioner is located;

in this embodiment, the specific manner of acquiring the first indoor humidity and the first indoor temperature of the environment where the air conditioner is located in step S801 may refer to step S201 in the foregoing embodiment, which is not described herein again.

S802, if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode;

In the present embodiment, the dehumidification mode includes: controlling the air deflector to switch to a set air outlet angle and continuously operating for a second time;

specifically, the air outlet angle of the air deflector can determine the air outlet volume of the air outlet of the air conditioner, the dehumidification capacity is different under different air volumes, and the purpose of improving the dehumidification capacity can be achieved by adjusting the air outlet angle of the air deflector.

Here, before the air conditioner leaves the factory, in the process of operating the air conditioner in the dehumidification mode at different coil temperatures (e.g., 1 ℃, 2 ℃, etc.) in step S802, the air deflector of the air conditioner operates at different air outlet angles and the rate of condensation of water vapor on the outer surface of the indoor unit heat exchanger is measured, and the air outlet angle of the air deflector corresponding to the fastest rate of condensation of water vapor is associated with the coil temperature in the dehumidification mode, so that the association relationship between the coil temperature and the air outlet angle of the air deflector when one or more air conditioners operate in the dehumidification mode can be obtained, and the association relationship is prestored in the air conditioner.

In this way, in the process of executing the dehumidification mode in step S802, the air conditioner may detect the coil temperature of the indoor unit through another sensor, and find and obtain the corresponding air outlet angle of the air deflector according to the detected coil temperature and the preset association relationship.

Optionally, the second time period is 1 hour.

S803, acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

in this embodiment, the specific implementation process of acquiring the second indoor humidity in step S803 may refer to embodiment S801 in the foregoing, which is not described herein again.

And S804, if the second indoor humidity meets a preset second condensation condition, controlling the air conditioner to operate in an anti-condensation mode.

In this embodiment, the specific execution process of step S804 may refer to embodiment S104 in the foregoing, which is not described herein again.

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

As shown in fig. 9, the present invention provides another method for preventing condensation of an air conditioner, which can be used to solve the problem that the air conditioner is prone to condensation in environments such as high temperature and high humidity in summer; specifically, the method mainly comprises the following steps:

s901, acquiring a first indoor humidity and a first indoor temperature of an environment where an air conditioner is located;

in this embodiment, the specific manner of acquiring the first indoor humidity and the first indoor temperature of the environment where the air conditioner is located in step S901 may refer to step S201 in the foregoing embodiment, which is not described herein again.

S902, if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode;

in this embodiment, the specific execution process of step S902 may refer to step S202 in the previous embodiment, which is not described herein again.

S903, acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

in this embodiment, the specific implementation process of acquiring the second indoor humidity in step S903 may refer to embodiment S901 in the foregoing, which is not described herein again.

And S904, if the second indoor humidity meets a preset second condensation condition, controlling the air conditioner to operate in a temperature and humidity double-control mode.

The air conditioner condensation preventing method provided by the invention can accurately judge whether the current running state and the environmental condition of the air conditioner possibly cause the condensation problem of the air conditioner by combining the parameters of indoor temperature and humidity and the like acquired for many times and combining the preset condensation condition, and can reduce the condensation problem of the air conditioner and improve the use experience of a user by combining a dehumidification mode and a temperature and humidity double control mode.

In an optional embodiment, the air conditioner operation temperature and humidity double control mode is controlled, and the air conditioner operation temperature and humidity double control mode comprises the steps of determining a target operation frequency of an air conditioner compressor based on a second indoor temperature and a second indoor humidity after the air conditioner operation dehumidification mode, so that the temperature of an inner coil of the air conditioner is increased to a preset target coil temperature for reducing condensation of water vapor into dew; the target coil temperature is greater than the condensation temperature of the current operating condition.

Specifically, determining the target operating frequency of the air conditioner compressor based on the second indoor temperature and the second indoor humidity after the air conditioner operates in the dehumidification mode includes: determining a temperature difference value between the second indoor temperature and the target temperature and a humidity difference value between the second indoor humidity and the target humidity; determining a first operating frequency of the compressor according to the temperature difference, and determining a second operating frequency of the compressor according to the humidity difference; a target operating frequency of the compressor is determined based on the first operating frequency and the second operating frequency.

Here, the target temperature and the target humidity are environmental parameter ranges that can be achieved by a desired indoor environment input by a user through a remote controller, an input panel, or the like, or environmental parameter ranges that satisfy a user comfort requirement automatically set by an air conditioner.

Optionally, the first operating frequency of the air-conditioning compressor is obtained by performing PID calculation according to the following formula:

Hz1＝Out_gain*[Kp*D_n+Ki*P_n+Kd*(D_n－D_n-1)]；

wherein D is_n＝P_n–P_n-1，D_n-1＝P_n-1–P_n-2；

Hz1 is the first operating frequency, Out _ gain is the output coefficient, Kp is the proportional control quantity, Ki is the integral control quantity, Kd is the derivative control quantity, D_nA first temperature deviation value between the temperature difference value of the current process and the first temperature difference value determined in the previous process, D_n-1A second temperature deviation value, P, of the first temperature difference value and a second temperature difference value determined last time_nIs the temperature difference, P, of the current process_n-1Is a first temperature difference, P_n-2Is a second temperature difference;

and performing PID calculation according to the following formula to obtain a second operating frequency of the air-conditioning compressor:

Hz2＝Out_gain*[Kp*d_n+Ki*p_n+Kd*(d_n－d_n-1)]；

wherein d is_n＝p_n–p_n-1，d_n-1＝p_n-1–p_n-2；

Hz2 is the second operating frequency, Out _ gain is the output coefficient, Kp is the proportional control quantity, Ki is the integral control quantity, Kd is the derivativeControl amount, d_nA first humidity deviation value, d, of the humidity difference value of the current process and the first humidity difference value determined last time_n-1A second humidity deviation value, p, for the first humidity difference value and a second humidity difference value determined last time_nIs the humidity difference of the current process, p_n-1Is a first humidity difference, p_n-2Is a second humidity difference;

determining a target operating frequency of the compressor according to the first operating frequency and the second operating frequency may specifically include: and comparing the first operating frequency with the second operating frequency, and determining the operating frequency with a larger value as the target operating frequency of the compressor, so that the refrigerant quantity output to the air conditioner refrigerant circulating system by the compressor meets the refrigerant quantity requirement of the air conditioner operation, and can be matched with the current working condition, thereby achieving the effects of saving energy, reducing consumption and improving the overall performance of the air conditioner. .

In an alternative embodiment, the present invention further provides an air conditioner capable of performing the control flow disclosed in the embodiment of fig. 1 above.

The air conditioner includes the air conditioner organism, and the air conditioner organism is equipped with:

a sensor for: acquiring first indoor humidity of an environment where an air conditioner is located; acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

a controller to: if the first indoor humidity meets the preset condensation condition, controlling the air conditioner to operate in a dehumidification mode; and

and if the second indoor humidity meets the preset condensation condition, controlling the air conditioner to operate in the condensation prevention mode.

indoor temperature-target coil temperature is less than or equal to A;

In an alternative embodiment, the controller is further configured to:

In an alternative embodiment, the controller is specifically configured to:

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

The specific manner of executing the above process by the air conditioner control may refer to the foregoing embodiments, which are not described herein again.

In an alternative embodiment, the present invention further provides an air conditioner capable of performing the control flow disclosed in the embodiment of fig. 2 above.

a controller to: if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode; the preset first condensation condition comprises that the first indoor humidity is greater than a first humidity threshold value, and the duration of the first indoor temperature which is greater than a temperature threshold value is greater than or equal to a first duration; the dehumidification mode comprises the steps of controlling a compressor of the air conditioner to be switched to a first set frequency, carrying out first rotation speed compensation on an inner fan, switching an air deflector to a set air outlet angle and continuously operating for a second time; and

In an alternative embodiment, the controller is further configured to:

In an alternative embodiment, the controller is specifically configured to:

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

In an alternative embodiment, the present invention further provides an air conditioner capable of performing the control flow disclosed in the embodiment of fig. 3 above.

a controller to: if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode; the preset first condensation condition comprises that the first indoor humidity is greater than a first humidity threshold value, and the duration of the first indoor temperature which is greater than a temperature threshold value is greater than or equal to a first duration; the dehumidification mode comprises the steps of controlling a compressor of the air conditioner to be switched to a first set frequency, carrying out first rotation speed compensation on an inner fan and continuously operating for a second time; and

In an alternative embodiment, the controller is further configured to:

In an alternative embodiment, the controller is specifically configured to:

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

In an alternative embodiment, the present invention further provides an air conditioner capable of executing the control flow disclosed in the embodiment of fig. 4 above.

The air conditioner includes the air conditioner organism, and the air conditioner organism is equipped with: a sensor for: acquiring a first indoor humidity and a first indoor temperature of an environment where an air conditioner is located; acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

In an alternative embodiment, the controller is further configured to:

In an alternative embodiment, the controller is specifically configured to:

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

In an alternative embodiment, the present invention further provides an air conditioner capable of executing the control flow disclosed in the embodiment of fig. 5 above.

a controller to: if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode; the preset first condensation condition comprises that the first indoor humidity is greater than a first humidity threshold value, and the duration of the first indoor temperature which is greater than a temperature threshold value is greater than or equal to a first duration; the dehumidification mode comprises the steps of carrying out first rotating speed compensation on the inner fan, switching the air deflector to a set air outlet angle and continuously operating for a second time; and

In an alternative embodiment, the controller is further configured to:

In an alternative embodiment, the controller is specifically configured to:

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

In an alternative embodiment, the present invention further provides an air conditioner capable of performing the control flow disclosed in the embodiment of fig. 6 above.

a controller to: if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode; the preset first condensation condition comprises that the first indoor humidity is greater than a first humidity threshold value, and the duration of the first indoor temperature which is greater than a temperature threshold value is greater than or equal to a first duration; the dehumidification mode comprises the steps of controlling a compressor of the air conditioner to be switched to a first set frequency and continuously run for a second time; and

In an alternative embodiment, the controller is further configured to:

In an alternative embodiment, the controller is specifically configured to:

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

In an alternative embodiment, the present invention further provides an air conditioner capable of performing the control flow disclosed in the embodiment of fig. 7 above.

a controller to: if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode; the preset first condensation condition comprises that the first indoor humidity is greater than a first humidity threshold value, and the duration of the first indoor temperature which is greater than a temperature threshold value is greater than or equal to a first duration; the dehumidification mode comprises the steps of carrying out first rotating speed compensation on the inner fan and continuously operating for a second time; and

In an alternative embodiment, the controller is further configured to:

In an alternative embodiment, the controller is specifically configured to:

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

In an alternative embodiment, the present invention further provides an air conditioner capable of executing the control flow disclosed in the embodiment of fig. 8 above.

a controller to: if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode; the preset first condensation condition comprises that the first indoor humidity is greater than a first humidity threshold value, and the duration of the first indoor temperature which is greater than a temperature threshold value is greater than or equal to a first duration; the dehumidification mode comprises the steps of controlling the air deflector to be switched to a set air outlet angle and continuously operating for a second time; and

In an alternative embodiment, the controller is further configured to:

In an alternative embodiment, the controller is specifically configured to:

a compressor of the air conditioner operates at a low frequency;

an inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

In an alternative embodiment, the present invention further provides an air conditioner capable of executing the control flow disclosed in the embodiment of fig. 9 above.

and if the second indoor humidity meets the preset second condensation condition, controlling the air conditioner to operate in a temperature and humidity double-control mode.

In an alternative embodiment, the controller is specifically configured to determine a target operating frequency of the air conditioner compressor based on a second indoor temperature and a second indoor humidity after the air conditioner operates in the dehumidification mode to raise an inner coil temperature of the air conditioner to a preset target coil temperature for reducing condensation of water vapor into dew;

In an alternative embodiment, the controller is further configured to:

In an alternative embodiment, the controller is specifically configured to:

determining a temperature difference value between the second indoor temperature and the target temperature and a humidity difference value between the second indoor humidity and the target humidity;

determining a first operating frequency of the compressor according to the temperature difference, and determining a second operating frequency of the compressor according to the humidity difference;

a target operating frequency of the compressor is determined based on the first operating frequency and the second operating frequency.

It is to be understood that the present invention is not limited to the procedures and structures described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. A method of preventing condensation in an air conditioner, the method comprising:

acquiring a first indoor humidity and a first indoor temperature of an environment where the air conditioner is located;

if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode; the preset first condensation condition comprises that the first indoor humidity is greater than a first humidity threshold value, and the duration of the first indoor temperature which is greater than a temperature threshold value is greater than or equal to a first duration; the dehumidification mode comprises the steps of controlling a compressor of the air conditioner to be switched to a first set frequency, controlling an air deflector to be switched to a set air outlet angle and continuously operating for a second time;

and if the second indoor humidity meets a preset second condensation condition, controlling the air conditioner to operate in an anti-condensation mode.

2. The method of claim 1, wherein the controlling the air conditioner to operate in the anti-condensation mode comprises controlling adjusting one or more operating parameters of the air conditioner to raise an internal coil temperature of the air conditioner to a preset target coil temperature for reducing condensation of water vapor into dew;

the target coil temperature is greater than the condensation temperature of the current working condition.

3. The method of claim 2, wherein the target coil temperature further satisfies the relationship:

4. The method according to claim 3, wherein the control method further comprises:

determining the calculation threshold A based on the coil temperature of the air conditioner in the dehumidification mode and a preset incidence relation; the preset incidence relation is used for representing the positive correlation corresponding relation between the coil temperature and the calculation threshold A when the air conditioner operates in the dehumidification mode.

5. The method of claim 2, wherein the controlling adjusts one or more operating parameters of the air conditioner, comprising:

a compressor of the air conditioner operates at a low frequency;

the inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;

and the air guide assembly of the indoor unit of the air conditioner is switched to a set air outlet angle.

6. The utility model provides an air conditioner, its characterized in that, the air conditioner includes the air conditioner organism, the air conditioner organism is equipped with:

a sensor for: acquiring a first indoor humidity and a first indoor temperature of an environment where the air conditioner is located; acquiring a second indoor humidity after the air conditioner operates in the dehumidification mode;

a controller to: if the first indoor humidity and the first indoor temperature meet a preset first condensation condition, controlling the air conditioner to operate in a dehumidification mode; the preset first condensation condition comprises that the first indoor humidity is greater than a first humidity threshold value, and the duration of the first indoor temperature which is greater than a temperature threshold value is greater than or equal to a first duration; the dehumidification mode comprises the steps of controlling a compressor of the air conditioner to be switched to a first set frequency, controlling an air deflector to be switched to a set air outlet angle and continuously operating for a second time; and

7. The air conditioner of claim 6, wherein the controller is specifically configured to control adjustment of one or more operating parameters of the air conditioner to raise an internal coil temperature of the air conditioner to a preset target coil temperature for reducing condensation of water vapor into dew;

8. The air conditioner of claim 7, wherein the target coil temperature further satisfies the relationship:

9. The air conditioner of claim 8, wherein the controller is further configured to:

10. The air conditioner of claim 7, wherein the controller is specifically configured to:

a compressor of the air conditioner operates at a low frequency;

the inner fan of the air conditioner runs at a high wind gear;

an outer fan of the air conditioner runs at a low wind gear;