CN105928139B - Air conditioner automatically cleaning control method - Google Patents

Air conditioner automatically cleaning control method Download PDF

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Publication number
CN105928139B
CN105928139B CN201610268823.1A CN201610268823A CN105928139B CN 105928139 B CN105928139 B CN 105928139B CN 201610268823 A CN201610268823 A CN 201610268823A CN 105928139 B CN105928139 B CN 105928139B
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China
Prior art keywords
air conditioner
automatically cleaning
condition
temperature
heat exchanger
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CN201610268823.1A
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CN105928139A (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
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • 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
    • 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
    • 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
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00Control inputs relating to users or occupants
    • F24F2120/10Occupancy
    • 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
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00Control inputs relating to users or occupants
    • F24F2120/20Feedback from users
    • 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
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses a kind of air conditioner automatically cleaning control methods, which comprises judges whether air conditioner meets the entry condition for executing automatically cleaning processing;If satisfied, air conditioner opens automatically cleaning processing function, the automatically cleaning processing of heat exchanger is executed;It is described to meet the entry condition for executing automatically cleaning processing are as follows: at the same meet the condition of indoor someone, the accumulated running time of air conditioner is greater than the setting condition of accumulated running time threshold value, indoor environment temperature is greater than the condition of set environment temperature and air conditioner is in the condition of off-mode;Alternatively, meeting indoor nobody condition within the setting duration simultaneously, the accumulated running time of air conditioner is greater than the condition for setting accumulated running time threshold value and air conditioner is in the condition of off-mode.Using method of the invention, solve the problems, such as that there is the air conditioner of heat exchanger automatic cleaning function to influence properties of product because intelligence degree is inadequate in the prior art.

Description

Air conditioner automatically cleaning control method
Technical field
The invention belongs to air-conditioning technique fields, are to be related to one kind more specifically specifically, being related to air conditioner Air conditioner automatically cleaning control method.
Background technique
After air conditioner placement for a long time or use, there can be a large amount of dust and dirt in the air conditioner.These dust and dirt are attached to room On the heat exchanger of interior machine, the heat exchange property of heat exchanger on the one hand can be reduced, household air-conditioner is caused to decline;On the other hand, dust and dirt Adhere to bacterium easy to breed, form mildew, these bacteriums and mildew can generate peculiar smell in unit, such as clear up not in time, seriously Threaten the health of air conditioner user.
Adhere to dust and dirt and the bring above problem on heat exchanger in order to solve air conditioner, the prior art occurs using changing The technological means that condensed water, the dust and dirt for taking away by condensed water heat exchanger surface are generated when hot device is used as evaporator, is realized The automated cleaning of heat exchanger of air conditioner.Due to indoor unit heat exchanger as evaporator in use, air conditioner need run refrigeration Mode, then, air conditioner automated cleaning process will affect room air, especially influence the comfort of room temperature.By dividing Whether analysis with the air conditioner of automatic cleaning function, executes the Rule of judgment of automatic cleaning function by including in the prior art Two: first, user actively issues control instruction by remote control or air-conditioner panel;Second, air conditioner accumulated running time reaches To setting time.
Regardless of deciding whether to execute automatic cleaning function using said one or two conditions, it is easy because forcing air-conditioning Device runs refrigeration mode and influences to cause room temperature uncomfortable, influences the comfortable sexual experience of user, this is that current user makes Existing pain spot when with this kind of air conditioner, and easily cause customer complaint and the not high key point of product popularization.
Summary of the invention
The object of the present invention is to provide a kind of operation of air conditioner method, solve that there is heat exchanger automated cleaning function in the prior art Can air conditioner because intelligence degree not enough due to influence properties of product the problem of.
For achieving the above object, the present invention, which adopts the following technical solutions, is achieved:
A kind of air conditioner automatically cleaning control method, which comprises
Judge whether air conditioner meets the entry condition for executing automatically cleaning processing;
If satisfied, air conditioner opens automatically cleaning processing function, the automatically cleaning processing of heat exchanger is executed;
It is described to meet the entry condition for executing automatically cleaning processing are as follows:
The accumulated running time of the condition, air conditioner that meet indoor someone simultaneously is greater than setting accumulated running time threshold value Condition, indoor environment temperature are in the condition of off-mode greater than the condition and air conditioner of set environment temperature;
It is greater than alternatively, meeting indoor nobody condition, the accumulated running time of air conditioner within the setting duration simultaneously The condition and air conditioner of the setting accumulated running time threshold value are in the condition of off-mode.
Air conditioner automatically cleaning control method as described above, if air conditioner is unsatisfactory for executing the trip bar of automatically cleaning processing Part, air conditioner keep former working condition not change.
Preferably, the set environment temperature is 20 DEG C, described to set the duration as 30min.
Air conditioner automatically cleaning control method as described above, the air conditioner open automatically cleaning processing function, execute heat exchange The automatically cleaning of device is handled, and is specifically included:
Determine the current operating condition of air conditioner, is executed certainly according to processing strategie corresponding with the current operating condition Vapor in air conditioner is condensed into liquid water using the heat exchanger in air conditioner, utilizes the liquid water pair by cleaning procedure Heat exchanger carries out automatically cleaning processing.
Air conditioner automatically cleaning control method as described above, the current operating condition are heating condition, it is described according to Corresponding with current operating condition processing strategie executes self-cleaning program, using the heat exchanger in air conditioner by air conditioner In vapor be condensed into liquid water, using the liquid water heat exchanging device carry out automatically cleaning processing, specifically include:
By operating modes of air conditioner switch to refrigeration mode operation, and control runing time be no less than the first setting operation when Between, the vapor in air conditioner is condensed into liquid water using the heat exchanger in air conditioner, utilizes the liquid water heat exchanging device Carry out automatically cleaning processing.
Air conditioner automatically cleaning control method as described above, the current operating condition are cooling condition, it is described according to Corresponding with current operating condition processing strategie executes self-cleaning program, using the heat exchanger in air conditioner by air conditioner In vapor be condensed into liquid water, using the liquid water heat exchanging device carry out automatically cleaning processing, specifically include:
Air conditioner runs refrigeration mode, and controls runing time and be no less than the second setting runing time, using in air conditioner Heat exchanger the vapor in air conditioner is condensed into liquid water, utilize the liquid water heat exchanging device carry out automatically cleaning processing.
Air conditioner automatically cleaning control method as described above, it is described according to processing corresponding with the current operating condition Strategy execution self-cleaning program, specifically includes:
Indoor current environmental temperature and current environment humidity where obtaining air conditioner, determine heat exchanger for condensation table Face temperature and as target temperature;
By adjusting the revolving speed of the blower in air conditioner and/or the working frequency of compressor, the temperature of heat exchanger is adjusted And maintain the target temperature.
Air conditioner automatically cleaning control method as described above, indoor current environmental temperature where the acquisitions air conditioner with Current environment humidity, determine heat exchanger for condensation surface temperature and as target temperature, specifically include:
According to the current environmental temperature and the current environment humidity, the dew-point temperature under current environment is determined;
The target temperature is determined according to the dew-point temperature under the current environment.
Air conditioner automatically cleaning control method as described above, it is described according to the current environmental temperature and the current environment Humidity determines the dew-point temperature under current environment, specifically includes:
The dew-point temperature under the current environment: t=U(A+BT is determined according to the following equation)+CT-D;
Wherein, t is dew-point temperature, and U is ambient humidity, and T is environment temperature, A, B, C and D be respectively the first adjustment factor, Second adjustment factor, third adjustment factor and the 4th adjustment factor.
Air conditioner automatically cleaning control method as described above, the dew-point temperature according under the current environment determine institute Target temperature is stated, is specifically included:
The target temperature under the current environment: Teva=t- Δ t is determined according to the following equation;
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 institute Target temperature difference is stated as setting value or matches acquisition in known heat transfer temperature difference table according to the current environmental temperature.
Compared with prior art, the advantages and positive effects of the present invention are: the present invention executes automatically cleaning processing by setting Entry condition, only meet entry condition, need it is self-cleaning when just execute heat exchanger automatically cleaning processing, and starting Condition in addition to including reaching the accumulated running time of air conditioner other than setting accumulated running time, air conditioner be in off-mode, Further include that indoor environment temperature is greater than set environment temperature under conditions of someone indoors, or indoor in the setting duration It is interior nobody.That is, if indoor someone, needs in the higher situation of indoor environment temperature and air conditioner is in shutdown state just holds The automatically cleaning of row heat exchanger is handled, alternatively, only indoors in the case where nobody and air conditioner is in shutdown state just executes The automatically cleaning of heat exchanger is handled.To which both effectively prevented air conditioner causes room temperature uncomfortable because executing automatically cleaning processing And the problem of influencing user's comfortable sexual experience, also avoid the normal operation that air conditioner is influenced because executing automatically cleaning treatment process Process and the problem of influence user's comfortable sexual experience, improve air conditioner properties of product, also improve user satisfaction;Also, The starting of automatically cleaning processing is manually operated without user, improves the intelligence degree of air conditioner, improves the use of user just Victory.
After a specific embodiment of the invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear Chu.
Detailed description of the invention
Fig. 1 is the flow chart of the air condition of that present invention automatically cleaning control method one embodiment;
Fig. 2 is the specific flow chart that the automatically cleaning processing of heat exchanger is executed in Fig. 1.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to drawings and examples, Invention is further described in detail.
Referring to Figure 1, which show the flow chart of the air condition of that present invention automatically cleaning control method one embodiment.
As shown in Figure 1, the embodiment realizes that the process of air conditioner automatically cleaning control method includes the following steps:
Step 11: judging whether air conditioner meets the entry condition for executing automatically cleaning processing.
Wherein, the entry condition for meeting execution automatically cleaning processing includes two, first entry condition are as follows: while meeting room The condition of interior someone, the accumulated running time of air conditioner are greater than the condition of setting accumulated running time threshold value, indoor environment temperature Greater than the condition that the condition and air conditioner of set environment temperature are in off-mode;Second entry condition are as follows: meet simultaneously Interior is greater than the setting accumulated running time threshold in the accumulated running time for setting nobody condition in the duration, air conditioner The condition and air conditioner of value are in the condition of off-mode.
That is, only have while meeting four conditions in first entry condition, or second is met simultaneously and is opened Three conditions in dynamic condition just determine it is to meet the entry condition for executing automatically cleaning processing.
With the development of Cloud Server technology and intelligent air conditioner technology, above-mentioned multiple conditions can pass through intellectual technology It realizes, participation without user.Wherein, the accumulated running time of air conditioner can be taken by the cloud of air conditioner intelligent link Business device take statistics and obtain to the runing time of air conditioner, indoor environment temperature can by Cloud Server by setting indoors, The output signal of the temperature sensor of temperature detection signal is connect and can uploaded with Cloud Server and is obtained, air conditioner off-mode The monitoring of conditioners running conditions can also be obtained by Cloud Server, and whether the monitoring of someone can be taken by cloud for interior Business device is connect indoors, with Cloud Server by setting and the output signal of the touching sensor of energy uploading detection signal obtains ?.Therefore, Cloud Server get with can be convenient it is indoor whether someone, the accumulated running time of air conditioner, indoor environment temperature The off-mode of degree and air conditioner.So, by the way that setting accumulated running time threshold value is stored in advance in Cloud Server, sets and holds Continuous time and set environment temperature, Cloud Server can determine whether to meet the institute in one of entry condition simultaneously at any time There is Rule of judgment, and is determining that confirmation meets the entry condition for executing automatically cleaning and handling when meeting some entry condition.
Can be a fixed value also, for setting runing time threshold value, preferably can it is different according to season or The current operating condition of air conditioner and the value of adaptive change.For example, if winter or heating operation operating condition, when setting is run Between threshold value value be the first runing time threshold value, and if summer or refrigerating operaton operating condition, set runing time threshold value value For the second runing time threshold value, and the first runing time threshold value is less than the second runing time threshold value.
For set environment temperature, it is contemplated that user's comfort, preferably 20 DEG C.
And for setting the duration, error is monitored to reduce, preferably 30min.
Step 12: if satisfied, air conditioner opens automatically cleaning processing function, executing the automatically cleaning processing of heat exchanger.
That is, meeting the condition of indoor someone at the same time, the accumulated running time of air conditioner is greater than the accumulative operation of setting The condition of time threshold, indoor environment temperature are in the condition of off-mode greater than the condition and air conditioner of set environment temperature The entry condition that this four conditions are constituted, alternatively, meeting indoor nobody item within the setting duration at the same time Part, air conditioner accumulated running time be greater than the condition of setting accumulated running time threshold value and air conditioner is in the item of off-mode In the case where the entry condition that part is constituted, determines to meet the entry condition for executing automatically cleaning processing, then control air-conditioning Device automatically turns on automatically cleaning processing function, executes the automatically cleaning processing of heat exchanger.
Wherein, the process for executing the automatically cleaning processing of heat exchanger can be realized using the method for the prior art.As excellent The embodiment of choosing, using Fig. 2 shows detailed process realize, be detailed in the description below to Fig. 2.
In this embodiment, in the entry condition for executing automatically cleaning processing, it is indoor within the setting duration nobody The personnel state of current indoor is reflected, the accumulated running time of air conditioner reflects the dust accumulation degree of heat exchanger in air conditioner, The size of indoor environment temperature reflects the level of comfort of current indoor temperature, and the off-mode of air conditioner reflects user couple The operation demand situation of air conditioner.So, by judging parameter using these parameters as condition, made using judgement relationship above-mentioned For Rule of judgment, can there are dust and dirt, indoor someone in heat exchanger product but indoor environment temperature is higher and air conditioner is not made by user The automatically cleaning processing of heat exchanger is just executed in the case where, alternatively, heat exchanger product have dust and dirt, indoor nobody and air conditioner not by The automatically cleaning processing of heat exchanger is just executed in the case where user's use, and entire deterministic process and automatically cleaning treatment process can be complete It is full-automatic to realize, it is handled without user's participation, had both avoided without automatically cleaning and blindly executed energy consumption caused by automatically cleaning is handled Problem, also effectively prevent air conditioner causes room temperature uncomfortable and because execution automatically cleaning is processed because executing automatically cleaning processing Journey and the problem of influence the normal course of operation of air conditioner and influence user's comfortable sexual experience, both improved air conditioner properties of product And intelligence degree, also improve the user satisfaction and convenience of user.
Moreover, then air conditioner is protected in a step 11 if it is determined that air conditioner is unsatisfactory for executing the entry condition of automatically cleaning processing Former working condition is held not change.
As preferred embodiment, during executing automatically cleaning processing, once indoor someone is monitored, then automatically Exit automatically cleaning treatment process.Also, if automatically cleaning treatment process has been not carried out and has interrupted, meet the starting of step 11 again When condition, automatically cleaning processing is reentered again.
Fig. 2 is referred to, which show the specific flow chart that the automatically cleaning processing of heat exchanger is executed in Fig. 1.
As shown in Fig. 2, the embodiment realizes that the process of the automatically cleaning processing of heat exchanger includes the following steps:
Step 121: determining the current operating condition of air conditioner, held according to processing strategie corresponding with current operating condition Row self-cleaning program.
Specifically, being the operating condition for determining that air conditioner is current, according to processing plan corresponding with current operating condition Self-cleaning program is slightly executed, the vapor in air conditioner is condensed into liquid water using the heat exchanger in air conditioner, utilizes liquid Water heat exchanging device carries out automatically cleaning processing.
Wherein, the current operating condition of air conditioner can be cooling condition, heating condition, air-supply operating condition and dehumidifying Operating condition etc..The current operating condition of air conditioner can pass through indoor/outdoor environment temperature, indoor/outdoor ambient humidity etc. The corresponding relationship of parameter and known parameter and operating condition and obtain.Communication based on intelligent air-conditioning and Cloud Server, when Preceding operating condition can be monitored and be obtained by Cloud Server.Based on this, automatically cleaning processing function, execution are opened in air conditioner When the automatically cleaning processing of heat exchanger, the current operating condition of air conditioner is determined first, different operating conditions is carried out respectively Corresponding cleaning strategy, to guarantee the cleaning effect for being satisfied with different operating conditions.
For example, if it is decided that the current operating condition of air conditioner is heating condition, executes the strategy of automatically cleaning processing Are as follows: operating modes of air conditioner is switched into refrigeration mode operation, and controls runing time and is no less than the first setting runing time, benefit The vapor in air conditioner is condensed into liquid water with the heat exchanger in air conditioner, is carried out certainly using the liquid water heat exchanging device Cleaning treatment.Moreover, because air conditioner normal operation mode is heating mode under heating condition, for the heat exchange in indoor unit For device, it is condenser, condensed water will not be generated, thus, it not will do it automatically cleaning in a heating mode.Therefore, the first setting Runing time is a longer time value, and when executing automatically cleaning processing, control runing time is longer, so as to in indoor unit Heat exchanger execute long-time, thoroughly automatically cleaning.
If it is determined that the current operating condition of air conditioner is cooling condition, the strategy of automatically cleaning processing is executed are as follows: air conditioner Refrigeration mode is run, and runing time is controlled and is no less than the second setting runing time, using the heat exchanger in air conditioner by air-conditioning Vapor in device is condensed into liquid water, carries out automatically cleaning processing using liquid water heat exchanging device.Due to empty under cooling condition Adjusting device normal operation mode is refrigeration mode or dehumidification mode, is evaporator, just for the heat exchanger in indoor unit Condensed water generation is had in normal operational process, therefore, it is possible to carry out part automatically cleaning.Therefore, second runing time is set to be small In a time value of the first setting runing time, when executing automatically cleaning processing, control runing time is shorter, can be with lower Power consumption realize more thorough automatically cleaning.
Self-cleaning program is executed according to processing strategie corresponding with current operating condition, can specifically use following step 122 and the process of step 123 realize.
Step 122: indoor current environmental temperature and current environment humidity where obtaining air conditioner determine that heat exchanger is used for The surface temperature of condensation and as target temperature.
Wherein, it is got in real time when current environmental temperature and current environment humidity refer to starting automatically cleaning processing routine Indoor environment temperature and indoor environment relative humidity;And the target determined according to current environmental temperature and current environment humidity Temperature can be a temperature spot, be also possible to a temperature range.
As preferred embodiment, first according to current environmental temperature and current environment humidity, determine under current environment Dew-point temperature;Then, according to the dew-point temperature under current environment determine heat exchanger for condensation target temperature.
Specifically, dew-point temperature refers to that the vapor under current environment in air conditioner is converted to temperature required for liquid water Degree.Cause dew-point temperature different due to pressure size, temperature level and humidity size in environment etc., it is therefore desirable to right Dew-point temperature under current environment carries out analysis determination.In addition, the atmospheric pressure in surrounding air is more for corresponding user Stablize, therefore, the principal element influenced on dew-point temperature is environment temperature and ambient humidity.Thus, as preferred embodiment party Formula, the dew-point temperature under current environment can be determined according to following formula: t=U(A+BT)+CT-D.In the formula, t is dew point Temperature, U are ambient humidity, and T is environment temperature, and A, B, C and D are respectively the first adjustment factor, the second adjustment factor, third adjusting Coefficient and the 4th adjustment factor.Preferably, the value model of the first adjustment factor A, the second adjustment factor B and third adjustment factor C It encloses for 0-1, to reduce calculating error.For example, the first adjustment factor A value is 0.198, the second adjustment factor B is 0.0017, the Three adjustment factor C are 0.84.And the value range of the 4th adjustment factor D is 15-25, for example, selecting 19.2.
After calculating dew-point temperature t, it is preferred to use following formula determines the target temperature under current environment: Teva= t-Δt.In the 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.It is excellent Choosing, target temperature difference Δ t is setting value or matches acquisition in known heat transfer temperature difference table according to current environmental temperature.Consider To heat exchange situation under normal circumstances, the selection range of target temperature difference Δ t is 3-15 DEG C.Preferably, Δ t value is 8 DEG C.This It outside, can also be in such a way that heat transfer temperature difference table matches and obtains target temperature difference.In this case, being previously stored with environment temperature and mesh The correspondence table of the temperature difference is marked, for example, environment temperature is greater than 30 DEG C, and corresponding target temperature difference is 6 DEG C;Environment temperature is located at 20-30 DEG C In range, corresponding target temperature difference is 8 DEG C.So, the target temperature to match with current environmental temperature is found from corresponding table Difference, and assignment is in Δ t.
The dew-point temperature under current environment is determined by environment temperature and ambient humidity, then true with calculated dew-point temperature Determine heat exchanger for condensation surface temperature and as target temperature, it is ensured that the target temperature of acquisition is accurate and reliable, thus The automatically cleaning that enough condensed waters carry out heat exchanger can be obtained in a short time.
Step 123: by adjusting the revolving speed of the blower in air conditioner and/or the working frequency of compressor, by heat exchanger Temperature adjusts and maintains target temperature.
Wherein, which passes through the currently practical surface temperature of real-time monitoring heat exchanger, when the currently practical table detected When face temperature is greater than target temperature, by adjusting the revolving speed of blower and/or the working frequency of compressor, so that the surface of heat exchanger Temperature decline;When the currently practical surface temperature detected is less than target temperature, by the revolving speed and/or the compression that adjust blower The working frequency of machine, so that the surface temperature of heat exchanger increases;And when the currently practical surface temperature detected meets target temperature When spending, by adjusting the revolving speed of blower and/or the working frequency of compressor, so that the surface temperature of heat exchanger remains unchanged.
Therefore, using the adjusting of rotation speed of fan and/or compressor frequency, heat exchanger surface temperature is adjusted simultaneously in a short time Optimal target temperature is maintained, the quick self cleaning and adaptivity for reaching heat exchanger are adjusted, and ensure that the certainly clear of heat exchanger Clean effect.
Specifically, drop can be taken when the currently practical surface temperature of the heat exchanger detected is greater than target temperature The regulative mode of the working frequency of the revolving speed and/or promotion compressor of low blower, so that the surface temperature of heat exchanger declines.If prison When the currently practical surface temperature for the heat exchanger measured is less than target temperature, the revolving speed for promoting blower and/or reduction can be taken The regulative mode of the working frequency of compressor, so that the surface temperature of heat exchanger increases.And when the currently practical surface detected When temperature meets target temperature, maintains the current rotating speed of blower constant and/or maintain the present operating frequency of compressor constant.
By using above-mentioned adjusting, guarantee that air conditioner voluntarily completes the tune by the surface temperature of heat exchanger to target temperature It is whole, it realizes automatic adjustment, guarantees clean effect.
Using the automatically cleaning treatment process of above-described embodiment, is performed an analysis by influencing the factor that condensed water is formed, pass through reading Environment temperature and current environment humidity is taken to determine that heat exchanger itself is used for the Optimal Temperature of condensed steam under the present circumstances, then With the adjusting of rotation speed of fan and/or compressor operating frequency to indoor unit, the heating or cooling of heat exchanger are realized, by heat exchanger Actual surface temperature maintain determining Optimal Temperature, guarantee the dust and dirt on heat exchanging device surface to form enough condensed waters Clean effect is carried out, and realizes least energy consumption, accomplishes the energy conservation of air conditioner.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited;Although referring to aforementioned reality Applying example, invention is explained in detail, for those of ordinary skill in the art, still can be to aforementioned implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features;And these are modified or replace It changes, the spirit and scope for claimed technical solution of the invention that it does not separate the essence of the corresponding technical solution.

Claims (9)

1. a kind of air conditioner automatically cleaning control method, which is characterized in that the described method includes:
Judge whether air conditioner meets the entry condition for executing automatically cleaning processing;
If satisfied, air conditioner opens automatically cleaning processing function, the automatically cleaning processing of heat exchanger is executed;
It is described to meet the entry condition for executing automatically cleaning processing are as follows:
The accumulated running time of the condition, air conditioner that meet indoor someone simultaneously is greater than the item of setting accumulated running time threshold value Part, indoor environment temperature are in the condition of off-mode greater than the condition and air conditioner of set environment temperature;
Alternatively, meeting interior simultaneously is setting the accumulated running time of nobody condition in the duration, air conditioner greater than described The condition and air conditioner that set accumulated running time threshold value are in the condition of off-mode;
If air conditioner is unsatisfactory for executing the entry condition of automatically cleaning processing, air conditioner keeps former working condition not change.
2. air conditioner automatically cleaning control method according to claim 1, which is characterized in that the set environment temperature is 20 DEG C, it is described to set the duration as 30min.
3. air conditioner automatically cleaning control method according to claim 1 or 2, which is characterized in that the air conditioner is opened certainly Cleaning treatment function executes the automatically cleaning processing of heat exchanger, specifically includes:
Determine the current operating condition of air conditioner, executes automatically cleaning according to processing strategie corresponding with the current operating condition Vapor in air conditioner is condensed into liquid water using the heat exchanger in air conditioner, utilizes the liquid water heat exchanging by program Device carries out automatically cleaning processing.
4. air conditioner automatically cleaning control method according to claim 3, which is characterized in that the current operating condition is Heating condition, it is described to execute self-cleaning program according to processing strategie corresponding with the current operating condition, utilize air conditioner In heat exchanger the vapor in air conditioner is condensed into liquid water, using the liquid water heat exchanging device carry out automatically cleaning at Reason, specifically includes:
Operating modes of air conditioner is switched into refrigeration mode operation, and controls runing time and is no less than the first setting runing time, The vapor in air conditioner is condensed into liquid water using the heat exchanger in air conditioner, is carried out using the liquid water heat exchanging device Automatically cleaning processing.
5. air conditioner automatically cleaning control method according to claim 3, which is characterized in that the current operating condition is Cooling condition, it is described to execute self-cleaning program according to processing strategie corresponding with the current operating condition, utilize air conditioner In heat exchanger the vapor in air conditioner is condensed into liquid water, using the liquid water heat exchanging device carry out automatically cleaning at Reason, specifically includes:
Air conditioner runs refrigeration mode, and controls runing time and be no less than the second setting runing time, utilizes changing in air conditioner Vapor in air conditioner is condensed into liquid water by hot device, carries out automatically cleaning processing using the liquid water heat exchanging device.
6. air conditioner automatically cleaning control method according to claim 3, which is characterized in that it is described according to it is described current The corresponding processing strategie of operating condition executes self-cleaning program, specifically includes:
Indoor current environmental temperature and current environment humidity where obtaining air conditioner, determine heat exchanger for condensation surface temperature It spends and as target temperature;
By adjusting the revolving speed of the blower in air conditioner and/or the working frequency of compressor, the temperature of heat exchanger is adjusted and tieed up It holds in the target temperature.
7. air conditioner automatically cleaning control method according to claim 6, which is characterized in that room where the acquisition air conditioner Interior current environmental temperature and current environment humidity, determine heat exchanger for condensation surface temperature and as target temperature, have Body includes:
According to the current environmental temperature and the current environment humidity, the dew-point temperature under current environment is determined;
The target temperature is determined according to the dew-point temperature under the current environment.
8. air conditioner automatically cleaning control method according to claim 7, which is characterized in that described according to the current environment Temperature and the current environment humidity, determine the dew-point temperature under current environment, specifically include:
The dew-point temperature under the current environment: t=U(A+BT is determined according to the following equation)+CT-D;
Wherein, t is dew-point temperature, and U is ambient humidity, and T is environment temperature, and A, B, C and D are respectively the first adjustment factor, second Adjustment factor, third adjustment factor and the 4th adjustment factor.
9. air conditioner automatically cleaning control method according to claim 7, which is characterized in that described according to the current environment Under dew-point temperature determine the target temperature, specifically include:
The target temperature under the current environment: Teva=t- Δ t is determined according to the following equation;
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 the mesh The mark temperature difference is setting value or matches acquisition in known heat transfer temperature difference table according to the current environmental temperature.
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