CN105910228A - Self-cleaning operation method for air conditioner - Google Patents

Self-cleaning operation method for air conditioner Download PDF

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Publication number
CN105910228A
CN105910228A CN201610268883.3A CN201610268883A CN105910228A CN 105910228 A CN105910228 A CN 105910228A CN 201610268883 A CN201610268883 A CN 201610268883A CN 105910228 A CN105910228 A CN 105910228A
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China
Prior art keywords
air
conditioner
automatically cleaning
heat exchanger
temperature
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CN201610268883.3A
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CN105910228B (en
Inventor
刘聚科
许国景
王荟桦
程永甫
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/30Condensation of water from cooled air

Abstract

The invention discloses a self-cleaning operation method for an air conditioner. The method comprises the following steps: judging whether the air conditioner satisfies start conditions for executing self-cleaning treatment; if the air conditioner satisfies the start conditions, starting the self-cleaning treatment function of the air conditioner and executing self-cleaning treatment of a heat exchanger, wherein the start conditions for executing self-cleaning treatment are as follows: the cumulative running time of the air conditioner is larger than a set accumulative running time threshold value; no person is in a room within a set duration time; the air conditioner is in a shutdown state. By adopting the method disclosed by the invention, the problem that product performances are influenced by insufficient intelligentization degree of the air conditioner which has the function of automatically cleaning the heat exchanger in the prior art can be solved.

Description

Air-conditionerAutomatically cleaningOperation method
Technical field
The invention belongs to air-conditioning technique field, specifically, relate to air-conditioner, more specifically, relate to a kind of air-conditioner automatically cleaning operation method.
Background technology
After air-conditioner is placed for a long time or used, substantial amounts of dust and dirt can be there is in air-conditioner.These dust and dirt are attached on the heat exchanger of indoor set, on the one hand can reduce the heat exchange property of heat exchanger, cause household air-conditioner to decline;On the other hand, dust and dirt adheres to easy breed bacteria, forms mildew, and these antibacterials and mildew can produce abnormal flavour in unit, and as cleared up not in time, the health of air-conditioner user in serious threat.
The problems referred to above brought to solve to adhere to dust and dirt on the heat exchanger of air-conditioner, prior art occurs in that the technological means producing condensed water when utilizing heat exchanger to use as vaporizer, being taken away the dust and dirt of heat exchanger surface by condensed water, it is achieved the automated cleaning of heat exchanger of air conditioner.When using as vaporizer due to the heat exchanger of indoor set, air-conditioner needs to run refrigeration mode, then, air-conditioner automated cleaning process will affect room air, especially affect the comfortableness of indoor temperature.By analyzing the air-conditioner in prior art with automatic cleaning function, whether it performs the Rule of judgment of automatic cleaning function by including two: one, and user actively sends control instruction by remote control or air-conditioner panel;Its two, air-conditioner accumulated running time reaches the setting time.
Said one or two conditions are no matter used to decide whether to perform automatic cleaning function, all easily affect cause indoor temperature uncomfortable because forcing air-conditioner to run refrigeration mode, the comfortableness affecting user is experienced, the pain spot that this is current user exists when using this kind of air-conditioner, is also easily to cause customer complaint and the highest key point of product popularization.
Summary of the invention
It is an object of the invention to provide a kind of air-conditioning automatically cleaning operation method, solve the problem that the air-conditioner in prior art with heat exchanger automatic cleaning function affects properties of product not because of intelligence degree.
For achieving the above object, the present invention uses following technical proposals to be achieved:
A kind of air-conditioner automatically cleaning operation method, described method includes:
Judge whether air-conditioner meets and perform the entry condition that automatically cleaning processes;
If meeting, air-conditioner is opened automatically cleaning and is processed function, and the automatically cleaning performing heat exchanger processes;
The entry condition that described satisfied execution automatically cleaning processes is:
Meet the accumulated running time condition more than setting accumulated running time threshold value of air-conditioner, indoor condition unmanned in setting the persistent period and air-conditioner simultaneously and be in the condition of off-mode.
Air-conditioner automatically cleaning operation method as above, if air-conditioner is unsatisfactory for performing the entry condition that automatically cleaning processes, air-conditioner keeps former duty not change.
Preferably, described the persistent period is set as 30min.
Air-conditioner automatically cleaning operation method as above, described air-conditioner is opened automatically cleaning and is processed function, performs the automatically cleaning process of heat exchanger, specifically includes:
Judge the operating condition that air-conditioner is current, according to the process strategy execution self-cleaning program corresponding with described current operating condition, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize described aqueous water heat exchanger to carry out automatically cleaning process.
Air-conditioner automatically cleaning operation method as above, described current operating condition is heating condition, described according to the process strategy execution self-cleaning program corresponding with described current operating condition, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize described aqueous water heat exchanger to carry out automatically cleaning process, specifically include:
Operating modes of air conditioner is switched to refrigeration mode run, and control the operation time no less than first setting the operation time, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize described aqueous water heat exchanger to carry out automatically cleaning process.
Air-conditioner automatically cleaning operation method as above, described current operating condition is cooling condition, described according to the process strategy execution self-cleaning program corresponding with described current operating condition, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize described aqueous water heat exchanger to carry out automatically cleaning process, specifically include:
Air-conditioner run refrigeration mode, and control the operation time no less than second setting the operation time, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize described aqueous water heat exchanger to carry out automatically cleaning process.
Air-conditioner automatically cleaning operation method as above, described according to the process strategy execution self-cleaning program corresponding with described current operating condition, specifically include:
Obtain the indoor current environmental temperature in air-conditioner place and current environment humidity, determine that heat exchanger is for the surface temperature of condensation and as target temperature;
By rotating speed and/or the operating frequency of compressor of the blower fan in regulation air-conditioner, the temperature of heat exchanger is regulated and maintains described target temperature.
Air-conditioner automatically cleaning operation method as above, the current environmental temperature of indoor, described acquisition air-conditioner place and current environment humidity, determine that heat exchanger, for the surface temperature of condensation and as target temperature, specifically includes:
According to described current environmental temperature and described current environment humidity, determine the dew point temperature under current environment;
Described target temperature is determined according to the dew point temperature under described current environment.
Air-conditioner automatically cleaning operation method as above, described according to described current environmental temperature with described current environment humidity, determine the dew point temperature under current environment, specifically include:
Determine the dew point temperature under described current environment: t=U(A+BT according to the following equation)+CT-D;
Wherein, t is dew point temperature, and U is ambient humidity, and T is ambient temperature, and A, B, C and D are respectively the first adjustment factor, the second adjustment factor, the 3rd adjustment factor and the 4th adjustment factor.
Air-conditioner automatically cleaning operation method as above, described determines described target temperature according to the dew point temperature under described current environment, specifically includes:
Determine the target temperature under described current environment according to the following equation: Teva=t-Δ t;
Wherein, Teva is target temperature, and t is dew point temperature, and Δ t is the target temperature difference of dew point temperature and heat exchanger;And described target temperature difference is setting value or mates acquisition in known heat transfer temperature difference table according to described current environmental temperature.
nullCompared with prior art,Advantages of the present invention and good effect be: the present invention performs, by arranging, the entry condition that automatically cleaning processes,Only meeting entry condition、The automatically cleaning just performing heat exchanger when needing self-cleaning processes,And entry condition reached to set accumulated running time except the accumulated running time including air-conditioner、Air-conditioner is in outside off-mode,Also include indoor unmanned in setting the persistent period,Namely,Only in the case of indoor unmanned and air-conditioner is under off-mode the automatically cleaning process just performing heat exchanger,Both effectively prevent air-conditioner execution automatically cleaning in the case of there is people indoor and process the problem causing indoor temperature uncomfortable and to affect the experience of user's comfortableness,It also avoid and affect the normal course of operation of air-conditioner because performing automatically cleaning processing procedure and affect the problem that user's comfortableness is experienced,Improve air-conditioner properties of product,Also improve user satisfaction;Further, the startup that automatically cleaning processes, without user's manual operation, improves the intelligence degree of air-conditioner, improves the property easy to use of user.
After reading in conjunction with the accompanying the detailed description of the invention of the present invention, the other features and advantages of the invention will become clearer from.
Accompanying drawing explanation
Fig. 1 is the flow chart of air-conditioner one embodiment of automatically cleaning operation method of the present invention;
Fig. 2 is to perform the particular flow sheet that the automatically cleaning of heat exchanger processes in Fig. 1.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below with reference to drawings and Examples, the present invention is described in further detail.
Referring to Fig. 1, this figure show the flow chart of air-conditioner one embodiment of automatically cleaning operation method of the present invention.
As it is shown in figure 1, the process that this embodiment realizes air-conditioner automatically cleaning operation method comprises the steps:
Step 11: judge whether air-conditioner meets and perform the entry condition that automatically cleaning processes.
Wherein, meet and perform the entry condition that automatically cleaning processes and be: meet accumulated running time of air-conditioner more than the condition setting accumulated running time threshold value, indoor condition unmanned in setting the persistent period and air-conditioner simultaneously and be in the condition of off-mode.
That is, only meet above three condition simultaneously, just judge it is to meet to perform the entry condition that automatically cleaning processes.
Along with Cloud Server technology and the development of intelligent air conditioner technology, above three condition can be realized by intellectual technology, and without the participation of user.Wherein, the operation time of air-conditioner can be taken statistics by the Cloud Server of air-conditioner intelligent link and obtain by the accumulated running time of air-conditioner, the indoor monitoring whether having a people can by Cloud Server by be disposed in the interior be connected with Cloud Server and the output signal of touching sensor of energy uploading detection signal and obtain, and the monitoring of conditioners running conditions can also be obtained by air-conditioner off-mode by Cloud Server.Therefore, Cloud Server can get the accumulated running time of air-conditioner, the indoor off-mode whether having people and air-conditioner easily.So, by prestoring setting accumulated running time threshold value in Cloud Server and setting the persistent period, Cloud Server can determine whether to meet above-mentioned three condition at any time simultaneously, and confirms when judging to meet three conditions simultaneously to meet the entry condition performing automatically cleaning process.
Further, run time threshold for setting, can be a fixed value, preferably can according to season the different or current operating condition of air-conditioner and the value of adaptations.Such as, if winter or heating operation operating mode, set operation time threshold value as the first operation time threshold, and if summer or refrigerating operaton operating mode, set operation time threshold value as the second operation time threshold, and first runs time threshold less than the second operation time threshold.
For setting the persistent period, for reducing monitoring error, preferably 30min.
Step 12: if meeting, air-conditioner is opened automatically cleaning and processed function, the automatically cleaning performing heat exchanger processes.
Namely, when meeting the condition these three condition that the accumulated running time condition more than setting accumulated running time threshold value of air-conditioner, indoor condition unmanned within the setting persistent period and air-conditioner are in off-mode at the same time, judge to meet and perform the entry condition that automatically cleaning processes, then controlling air-conditioner and automatically turn on automatically cleaning process function, the automatically cleaning performing heat exchanger processes.
Wherein, the process of the automatically cleaning process performing heat exchanger can use the method for prior art to realize.As preferred embodiment, use shown in Fig. 2 a detailed process to realize, refer to after description to Fig. 2.
In this embodiment, for performing in three entry conditions that automatically cleaning processes, the accumulated running time of air-conditioner reflects the laying dust degree of heat exchanger in air-conditioner, indoor in setting the persistent period, nobody reflects the personnel state of current indoor, and the off-mode of air-conditioner reflects user's operation demand situation to air-conditioner.So, by using these three parameter as conditional judgment parameter, utilize aforesaid judgement relation as Rule of judgment, can amass at heat exchanger and have dust and dirt, indoor unmanned and air-conditioner just performs the automatically cleaning of heat exchanger and processes in the case of not being used by a user, and whole judge process and automatically cleaning processing procedure can fully automated realize, process without user's participation, both avoided and blindly performed the energy consumption problem that automatically cleaning process causes without automatically cleaning, also effectively prevent air-conditioner cause indoor temperature uncomfortable because execution automatically cleaning processes and affect the normal course of operation of air-conditioner because performing automatically cleaning processing procedure and affect the problem that user's comfortableness is experienced, both air-conditioner properties of product and intelligence degree had been improved, also improve user satisfaction and the convenience of user.
And, in a step 11 if it is determined that air-conditioner is unsatisfactory for performing the entry condition that automatically cleaning processes, then air-conditioner keeps former duty not change.
As preferred embodiment, during performing automatically cleaning process, once monitoring indoor has people, then automatically exit from automatically cleaning processing procedure.Further, if automatically cleaning processing procedure has been not carried out and has interrupted, when again meeting the entry condition of step 11, again reenter automatically cleaning and process.
Referring to Fig. 2, this figure show in Fig. 1 and performs the particular flow sheet that the automatically cleaning of heat exchanger processes.
As in figure 2 it is shown, this embodiment realize heat exchanger automatically cleaning process process comprise the steps:
Step 121: judge the operating condition that air-conditioner is current, according to the process strategy execution self-cleaning program corresponding with current operating condition.
Specifically, it is to judge the operating condition that air-conditioner is current, according to the process strategy execution self-cleaning program corresponding with current operating condition, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize aqueous water heat exchanger to carry out automatically cleaning process.
Wherein, the operating condition that air-conditioner is current, can be cooling condition, heating condition, air-supply operating condition and dehumidifying operating condition etc..The current operating condition of air-conditioner, can be obtained with the corresponding relation of operating condition by the parameters such as indoor/outdoor ambient temperature, indoor/outdoor ambient humidity and known parameter.Communication based on intelligent air-conditioning Yu Cloud Server, current operating condition can be monitored by Cloud Server and obtain.Based on this, when the automatically cleaning process that automatically cleaning processes function, execution heat exchanger opened by air-conditioner, first judge the operating condition that air-conditioner is current, strategy is cleaned the most accordingly for different operating conditions, thus ensures to be satisfied with the cleaning effect of different operating condition.
For example, if it is determined that the current operating condition of air-conditioner is heating condition, the strategy performing automatically cleaning process is: operating modes of air conditioner switches to refrigeration mode and runs, and control the operation time no less than the first setting operation time, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize described aqueous water heat exchanger to carry out automatically cleaning process.Being additionally, since air-conditioner normal operation mode under heating condition is heating mode, for the heat exchanger in indoor set, for condenser, will not produce condensed water, thus, automatically cleaning will not be carried out in a heating mode.Therefore, first sets the operation time as a longer time value, when performing automatically cleaning and processing, controls the operation time longer, in order to the heat exchanger executive chairman's time in indoor set, up hill and dale automatically cleaning.
If it is determined that the current operating condition of air-conditioner is cooling condition, the strategy performing automatically cleaning process is: air-conditioner runs refrigeration mode, and control the operation time no less than the second setting operation time, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize aqueous water heat exchanger to carry out automatically cleaning process.Owing to air-conditioner normal operation mode is refrigeration mode or dehumidification mode under cooling condition, for the heat exchanger in indoor set, for vaporizer, normal course of operation has condensed water and produces, therefore, it is possible to carry out part automatically cleaning.Therefore, second sets the operation time as the time value setting the operation time less than first, when performing automatically cleaning and processing, controls the operation time shorter, it is possible to realize automatically cleaning the most thoroughly with relatively low power consumption.
According to the process strategy execution self-cleaning program corresponding with current operating condition, the process of following step 122 and step 123 specifically can be used to realize.
Step 122: obtain the indoor current environmental temperature in air-conditioner place and current environment humidity, determines that heat exchanger is for the surface temperature of condensation and as target temperature.
Wherein, current environmental temperature and current environment humidity refer to indoor environment temperature and the indoor environment relative humidity got in real time when starting automatically cleaning processing routine;And the target temperature determined according to current environmental temperature and current environment humidity can be a temperature spot, it is also possible to be a temperature range.
As preferred embodiment, first according to current environmental temperature and current environment humidity, determine the dew point temperature under current environment;Then, the heat exchanger target temperature for condensation is determined according to the dew point temperature under current environment.
Specifically, under dew point temperature refers to current environment, the steam in air-conditioner is converted to the temperature required for aqueous water.Dew point temperature is thus resulted in different, it is therefore desirable to be analyzed determining to the dew point temperature under current environment owing to the pressure size in environment, temperature level and humidity size etc. are former.It addition, for corresponding user, the atmospheric pressure in its surrounding air is relatively stable, therefore, the principal element on dew point temperature impact is ambient temperature and ambient humidity.Thus, as preferred embodiment, the dew point temperature under current environment can determine according to equation below: t=U(A+BT)+CT-D.In this formula, t is dew point temperature, and U is ambient humidity, and T is ambient temperature, and A, B, C and D are respectively the first adjustment factor, the second adjustment factor, the 3rd adjustment factor and the 4th adjustment factor.Preferably, the first adjustment factor A, the span of the second adjustment factor B and the 3rd adjustment factor C are 0-1, calculate error to reduce.Such as, the first adjustment factor A value is 0.198, and the second adjustment factor B is 0.0017, and the 3rd adjustment factor C is 0.84.And the span of the 4th adjustment factor D is 15-25, such as, 19.2 are selected.
After calculating dew point temperature t, it is preferred to use equation below determines the target temperature under current environment: Teva=t-Δ t.In this formula, Teva is target temperature, and t is dew point temperature, and Δ t is the target temperature difference of dew point temperature and heat exchanger.Preferably, target temperature difference Δ t is setting value or mates acquisition in known heat transfer temperature difference table according to current environmental temperature.In view of heat exchange situation generally, the selection range of target temperature difference Δ t is 3-15 DEG C.Preferably, Δ t value is 8 DEG C.Further, it is also possible to by the way of heat transfer temperature difference table coupling obtains target temperature difference.In the case of this, being previously stored with the corresponding table of ambient temperature and target temperature difference, such as, ambient temperature is more than 30 DEG C, and corresponding target temperature difference is 6 DEG C;In the range of ambient temperature is positioned at 20-30 DEG C, corresponding target temperature difference is 8 DEG C.So, find, from corresponding table, the target temperature difference matched with current environmental temperature, and assignment is in Δ t.
The dew point temperature under current environment is determined by ambient temperature and ambient humidity, determine that heat exchanger is for the surface temperature of condensation and as target temperature using the dew point temperature calculated again, can ensure that the target temperature of acquisition accurately and reliably such that it is able to obtain enough condensed waters at short notice and carry out the automatically cleaning of heat exchanger.
Step 123: by rotating speed and/or the operating frequency of compressor of the blower fan in regulation air-conditioner, the temperature of heat exchanger is regulated and maintains target temperature.
Wherein, this step is by monitoring the currently practical surface temperature of heat exchanger in real time, when the currently practical surface temperature detected is more than target temperature, by rotating speed and/or the operating frequency of compressor of regulation blower fan so that the surface temperature of heat exchanger declines;When the currently practical surface temperature detected is less than target temperature, by rotating speed and/or the operating frequency of compressor of regulation blower fan so that the surface temperature of heat exchanger raises;And when the currently practical surface temperature detected meets target temperature, by rotating speed and/or the operating frequency of compressor of regulation blower fan so that the surface temperature of heat exchanger remains unchanged.
Therefore, utilize the regulation of rotation speed of fan and/or compressor frequency, regulate heat exchanger surface temperature at short notice and maintain optimal target temperature, reach quick self cleaning and the adaptivity regulation of heat exchanger, it is ensured that the automatically cleaning effect of heat exchanger.
Specifically, when the currently practical surface temperature of the heat exchanger detected is more than target temperature, can take to reduce the regulative mode of the operating frequency of the rotating speed of blower fan and/or lifting compressor so that the surface temperature of heat exchanger declines.If the currently practical surface temperature of the heat exchanger detected is less than target temperature, can take to promote the regulative mode of the operating frequency of the rotating speed of blower fan and/or reduction compressor so that the surface temperature of heat exchanger raises.And when the currently practical surface temperature detected meets target temperature, constant and/or maintenance compressor the present operating frequency of current rotating speed maintaining blower fan is constant.
By using above-mentioned regulation, it is ensured that air-conditioner completes the surface temperature of heat exchanger voluntarily to the adjustment of target temperature, it is achieved be automatically adjusted, it is ensured that the effect of cleaning.
Use the automatically cleaning processing procedure of above-described embodiment, the factor formed by affecting condensed water performs an analysis, determine that heat exchanger itself is under the present circumstances for the Optimal Temperature of condensed steam by reading ambient temperature and current environment humidity, again with to the rotation speed of fan of indoor set and/or the regulation of compressor operating frequency, realize intensification or the cooling of heat exchanger, the actual surface temperature of heat exchanger is maintained the Optimal Temperature determined, the effect that the dust and dirt on heat exchanger surface is cleaned is ensured with the enough condensed waters of formation, and realize minimum energy consumption, accomplish the energy-conservation of air-conditioner.
Above example is only in order to illustrate technical scheme, rather than is limited;Although the present invention being described in detail with reference to previous embodiment, for the person of ordinary skill of the art, still the technical scheme described in previous embodiment can be modified, or wherein portion of techniques feature is carried out equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of claimed technical solution of the invention.

Claims (10)

1. an air-conditioner automatically cleaning operation method, it is characterised in that described method includes:
Judge whether air-conditioner meets and perform the entry condition that automatically cleaning processes;
If meeting, air-conditioner is opened automatically cleaning and is processed function, and the automatically cleaning performing heat exchanger processes;
The entry condition that described satisfied execution automatically cleaning processes is:
Meet the accumulated running time condition more than setting accumulated running time threshold value of air-conditioner, indoor condition unmanned in setting the persistent period and air-conditioner simultaneously and be in the condition of off-mode.
Air-conditioner automatically cleaning operation method the most according to claim 1, it is characterised in that if air-conditioner is unsatisfactory for performing the entry condition that automatically cleaning processes, air-conditioner keeps former duty not change.
Air-conditioner automatically cleaning operation method the most according to claim 1, it is characterised in that described set the persistent period as 30min.
Air-conditioner automatically cleaning operation method the most according to any one of claim 1 to 3, it is characterised in that described air-conditioner is opened automatically cleaning and processed function, the automatically cleaning performing heat exchanger processes, and specifically includes:
Judge the operating condition that air-conditioner is current, according to the process strategy execution self-cleaning program corresponding with described current operating condition, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize described aqueous water heat exchanger to carry out automatically cleaning process.
Air-conditioner automatically cleaning operation method the most according to claim 4, it is characterized in that, described current operating condition is heating condition, described according to the process strategy execution self-cleaning program corresponding with described current operating condition, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize described aqueous water heat exchanger to carry out automatically cleaning process, specifically include:
Operating modes of air conditioner is switched to refrigeration mode run, and control the operation time no less than first setting the operation time, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize described aqueous water heat exchanger to carry out automatically cleaning process.
Air-conditioner automatically cleaning operation method the most according to claim 4, it is characterized in that, described current operating condition is cooling condition, described according to the process strategy execution self-cleaning program corresponding with described current operating condition, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize described aqueous water heat exchanger to carry out automatically cleaning process, specifically include:
Air-conditioner run refrigeration mode, and control the operation time no less than second setting the operation time, utilize the heat exchanger in air-conditioner that the water vapor condensation in air-conditioner is become aqueous water, utilize described aqueous water heat exchanger to carry out automatically cleaning process.
Air-conditioner automatically cleaning operation method the most according to claim 4, it is characterised in that described according to the process strategy execution self-cleaning program corresponding with described current operating condition, specifically includes:
Obtain the indoor current environmental temperature in air-conditioner place and current environment humidity, determine that heat exchanger is for the surface temperature of condensation and as target temperature;
By rotating speed and/or the operating frequency of compressor of the blower fan in regulation air-conditioner, the temperature of heat exchanger is regulated and maintains described target temperature.
Air-conditioner automatically cleaning operation method the most according to claim 7, it is characterised in that the current environmental temperature of indoor, described acquisition air-conditioner place and current environment humidity, determines that heat exchanger, for the surface temperature of condensation and as target temperature, specifically includes:
According to described current environmental temperature and described current environment humidity, determine the dew point temperature under current environment;
Described target temperature is determined according to the dew point temperature under described current environment.
Air-conditioner automatically cleaning operation method the most according to claim 8, it is characterised in that described according to described current environmental temperature with described current environment humidity, determines the dew point temperature under current environment, specifically includes:
Determine the dew point temperature under described current environment: t=U(A+BT according to the following equation)+CT-D;
Wherein, t is dew point temperature, and U is ambient humidity, and T is ambient temperature, and A, B, C and D are respectively the first adjustment factor, the second adjustment factor, the 3rd adjustment factor and the 4th adjustment factor.
Air-conditioner automatically cleaning operation method the most according to claim 8, it is characterised in that described determine described target temperature according to the dew point temperature under described current environment, specifically includes:
Determine the target temperature under described current environment according to the following equation: Teva=t-Δ t;
Wherein, Teva is target temperature, and t is dew point temperature, and Δ t is the target temperature difference of dew point temperature and heat exchanger;And described target temperature difference is setting value or mates acquisition in known heat transfer temperature difference table according to described current environmental temperature.
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CN105783199A (en) * 2016-04-27 2016-07-20 青岛海尔空调器有限总公司 Intelligent self-cleaning method for air conditioner
CN105928139A (en) * 2016-04-27 2016-09-07 青岛海尔空调器有限总公司 Self-cleaning control method for air conditioner
CN107642866A (en) * 2017-08-28 2018-01-30 青岛海尔空调器有限总公司 A kind of self-cleaning control method and device of air-conditioning
CN108397864A (en) * 2018-01-22 2018-08-14 青岛海尔空调器有限总公司 Automatically cleaning control method for air conditioner
CN108489046A (en) * 2018-03-27 2018-09-04 奥克斯空调股份有限公司 Clean method, system and air-conditioning
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