CN105783199A - Intelligent self-cleaning method for air conditioner - Google Patents
Intelligent self-cleaning method for air conditioner Download PDFInfo
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- CN105783199A CN105783199A CN201610268784.5A CN201610268784A CN105783199A CN 105783199 A CN105783199 A CN 105783199A CN 201610268784 A CN201610268784 A CN 201610268784A CN 105783199 A CN105783199 A CN 105783199A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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Abstract
The invention discloses an intelligent self-cleaning method for an air conditioner. The method includes the steps that whether the air conditioner meets the start condition for executing self-cleaning treatment or not is judged; if yes, the air conditioner starts the self-cleaning treatment function, and self-cleaning treatment of a heat exchanger is executed; and only when the conditions that people exist indoors, the accumulated running time of the air conditioner is larger than a set accumulated running time threshold value, the indoor environment temperature is larger than a set environment temperature, the indoor environment humidity is larger than a set environment humidity condition and the air conditioner is in the turned-off state are met at the same time or, when the conditions that no people exist indoors during the set lasting time, the accumulated running time of the air conditioner is larger than the set accumulated running time threshold value and the air conditioner is in the turned-off state are met at the same time, can the air conditioner meets the start condition for executing self-cleaning treatment. Due to the adoption of the method, the problem that because in the prior art, an air conditioner with an automatic heat exchanger cleaning function is not intelligent enough, the product performance is influenced is solved.
Description
Technical field
The invention belongs to air-conditioning technique field, specifically, relate to air-conditioner, more specifically, relate to a kind of clean method of air-conditioner intelligent self-cleaning.
Background technology
After air-conditioner is placed for a long time or used, can there is substantial amounts of dust and dirt in air-conditioner.These dust and dirt are attached on the heat exchanger of indoor set, can reduce the heat exchange property of heat exchanger on the one hand, cause that household air-conditioner declines；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 is occurred in that generation condensed water when utilizing heat exchanger to use as vaporizer, is taken away the technological means of 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 running refrigerating pattern, 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, 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 adopted to decide whether to perform automatic cleaning function, all easily affect cause indoor temperature uncomfortable because forcing air-conditioner running refrigerating pattern, the comfortableness affecting user is experienced, this is the pain spot that current user exists when using this kind of air-conditioner, is also the key point not high easily caused by customer complaint and product popularization.
Summary of the invention
It is an object of the invention to provide a kind of operation of air conditioner 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 adopts following technical proposals to be achieved:
A kind of clean method of air-conditioner intelligent self-cleaning, 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 simultaneously indoor have the condition of people, air-conditioner accumulated running time more than the condition setting the condition of accumulated running time threshold value, indoor environment temperature and being in more than the condition of set environment humidity and air-conditioner more than the condition of set environment temperature, indoor environment humidity off-mode；
Or, meet simultaneously indoor setting condition unmanned in the persistent period, the accumulated running time of air-conditioner be in the condition of off-mode more than the described condition setting accumulated running time threshold value and air-conditioner.
The clean method of air-conditioner intelligent self-cleaning 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 set environment temperature is 20 DEG C, and described set environment humidity is 40%, described sets the persistent period as 30min.
The clean method of air-conditioner intelligent self-cleaning as above, described air-conditioner is opened automatically cleaning and is processed function, and 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.
The clean method of air-conditioner intelligent self-cleaning 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 switches to refrigeration mode run, 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.
The clean method of air-conditioner intelligent self-cleaning 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 running refrigerating pattern, 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 described aqueous water heat exchanger to carry out automatically cleaning process.
The clean method of air-conditioner intelligent self-cleaning 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, it is determined that heat exchanger is for the surface temperature condensed and as target temperature；
The operating frequency of rotating speed and/or compressor by regulating the blower fan in air-conditioner, regulates and maintains described target temperature by the temperature of heat exchanger.
The clean method of air-conditioner intelligent self-cleaning as above, the current environmental temperature of indoor, described acquisition air-conditioner place and current environment humidity, it is determined that heat exchanger, for the surface temperature condensed and as target temperature, specifically includes:
According to described current environmental temperature and described current environment humidity, it is determined that the dew point temperature under current environment；
Described target temperature is determined according to the dew point temperature under described current environment.
The clean method of air-conditioner intelligent self-cleaning as above, described according to described current environmental temperature with described current environment humidity, it is determined that the dew point temperature under current environment, specifically include:
Determine the dew point temperature under described current environment according to the following equation: t=U(A+BT)+CT-D；
Wherein, t is dew point temperature, and U is ambient humidity, and T is ambient temperature, A, B, C and D respectively the first adjustment factor, the second adjustment factor, the 3rd adjustment factor and the 4th adjustment factor.
The clean method of air-conditioner intelligent self-cleaning 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.
Compared with prior art, advantages of the present invention and have the benefit effect that the present invention passes through to arrange and perform the entry condition that automatically cleaning processes, the automatically cleaning only just performing heat exchanger when meeting entry condition, needs and being self-cleaning processes, and entry condition reaches to set except accumulated running time, air-conditioner be in off-mode except the accumulated running time including air-conditioner, be additionally included in indoor environment temperature when there is a people indoor and be greater than set environment temperature and indoor environment humidity is greater than set environment humidity, or indoor set in the persistent period unmanned.Namely, if there is people indoor, when needing indoor environment temperature and indoor environment humidity all higher and air-conditioner be under off-mode just perform heat exchanger automatically cleaning process, or, only when indoor unmanned and air-conditioner be under off-mode just to perform the automatically cleaning process of heat exchanger.Thus, both effectively prevent air-conditioner to process and cause that indoor temperature is uncomfortable because performing automatically cleaning and affect the problem that user's comfortableness is experienced and the problem being difficult to not because of indoor humidity form required condensed water and waste operation energy consumption, it also avoid the normal course of operation affecting 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 specific embodiment 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 clean one embodiment of method of air-conditioner intelligent self-cleaning of the present invention；
Fig. 2 performs 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 clearly understand, 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 clean one embodiment of method of air-conditioner intelligent self-cleaning of the present invention.
As it is shown in figure 1, the process that this embodiment realizes the clean method of air-conditioner intelligent self-cleaning comprises the steps:
Step 11: judge whether air-conditioner meets and perform the entry condition that automatically cleaning processes.
Wherein, meeting and perform the entry condition that automatically cleaning processes and include two, first entry condition is: meet simultaneously indoor have the condition of people, air-conditioner accumulated running time more than the condition setting the condition of accumulated running time threshold value, indoor environment temperature and being in more than the condition of set environment humidity and air-conditioner more than the condition of set environment temperature, indoor environment humidity off-mode；Second entry condition is: meet simultaneously indoor setting condition unmanned in the persistent period, the accumulated running time of air-conditioner be in the condition of off-mode more than the described condition setting accumulated running time threshold value and air-conditioner.
That is, five conditions only simultaneously met in first entry condition, or meet three conditions in second entry condition simultaneously, just judge it is meet to perform the entry condition that automatically cleaning processes.
Along with the development of Cloud Server technology and intelligent air conditioner technology, above-mentioned multiple conditions all can be realized by intellectual technology, 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, indoor environment temperature can by Cloud Server by being disposed in the interior, it is connected with Cloud Server and the output signal of temperature sensor of temperature detection signal can be uploaded and obtains, indoor environment humidity can by Cloud Server by being disposed in the interior, it is connected with Cloud Server and the output signal of humidity sensor of Humidity Detection signal can be uploaded and obtains, the monitoring of conditioners running conditions can also be obtained by air-conditioner off-mode by Cloud Server, and the monitoring whether indoor have people can by Cloud Server by being disposed in the interior, be connected with Cloud Server and can the output signal of touching sensor of uploading detection signal and obtain.Therefore, Cloud Server can get the indoor off-mode whether having people, the accumulated running time of air-conditioner, indoor environment temperature, indoor environment humidity and air-conditioner easily.So, by prestoring setting accumulated running time threshold value in Cloud Server, setting persistent period, set environment temperature and set environment humidity, Cloud Server can determine whether all Rule of judgment simultaneously meeting in one of them entry condition at any time, and confirms to meet the entry condition performing automatically cleaning process when judging to meet some entry condition.
Further, time threshold is run for setting, it is possible to be a fixed value, it is preferred to can the value of the currently running operating mode of or air-conditioner different according to season and 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 set environment temperature, it is contemplated that user's comfortableness, it is preferred to 20 DEG C.
For set environment humidity, refer to relative humidity, it is contemplated that the formation humidity requirement of condensed water, it is preferred to 40%.
And for setting the persistent period, for reducing monitor and feedback, it is preferred to 30min.
Step 12: if meeting, air-conditioner is opened automatically cleaning and processed function, the automatically cleaning performing heat exchanger processes.
Namely, meet indoor at the same time and have the condition of people, the accumulated running time of air-conditioner is more than the condition setting accumulated running time threshold value, indoor environment temperature is more than the condition of set environment temperature, indoor environment humidity is in, more than condition and the air-conditioner of set environment humidity, the entry condition that these four conditions of condition of off-mode are constituted, or, meet indoor condition unmanned within the setting persistent period at the same time, the accumulated running time of air-conditioner is more than setting the condition of accumulated running time threshold value and when air-conditioner is in the entry condition that the condition of off-mode is constituted, judge to meet and perform the entry condition that automatically cleaning processes, then control 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 adopt the method for prior art to realize.As preferred embodiment, shown in Fig. 2 a detailed process is adopted to realize, description to Fig. 2 after referring to.
In this embodiment, for performing in the entry condition that automatically cleaning processes, it is indoor that within the setting persistent period, nobody reflects the personnel state of current indoor, the accumulated running time of air-conditioner reflects the laying dust degree of heat exchanger in air-conditioner, the size of indoor environment temperature reflects the level of comfort of current indoor temperature, the size of indoor environment humidity reflects the complexity and the water yield that form condensed water, and the off-mode of air-conditioner reflects user's operation demand situation to air-conditioner.nullSo，By using these parameters as conditional judgment parameter，Utilize aforesaid judgement relation as Rule of judgment，Can amass at heat exchanger and have dust and dirt、There is people indoor but just performs the automatically cleaning of heat exchanger when indoor environment temperature and humidity are all higher and air-conditioner is not used by a user and process，Or，Amass at heat exchanger and have dust and dirt、The automatically cleaning just performing heat exchanger when indoor are unmanned and air-conditioner is not used by a user processes，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 the problem that air-conditioner causes indoor temperature uncomfortable because performing automatically cleaning to process and affects the normal course of operation of air-conditioner because performing automatically cleaning processing procedure and affect the experience of user's comfortableness，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, in performing the process that automatically cleaning processes, once monitor indoor have 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 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, it is possible to for cooling condition, heating condition, air-supply operating condition and dehumidifying operating condition etc..The currently running operating mode of air-conditioner, it is possible to obtained by the corresponding relation of the parameters such as indoor/outdoor ambient temperature, indoor/outdoor ambient humidity and known parameter and operating condition.Based on the communication of 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, different operating conditions is cleaned respectively accordingly to strategy, thus ensureing 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 under heating condition air-conditioner normal operation mode 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 running refrigerating pattern, 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 an operation time time value as 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 comparatively 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 adopted to realize.
Step 122: obtain the indoor current environmental temperature in air-conditioner place and current environment humidity, it is determined that heat exchanger is for the surface temperature condensed and as target temperature.
Wherein, current environmental temperature and current environment humidity refer to and start the indoor environment temperature and indoor environment relative humidity got in real time when automatically cleaning processes program；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, it is determined that the dew point temperature under current environment；Then, the heat exchanger target temperature for condensing is determined according to the dew point temperature under current environment.
Specifically, the steam that dew point temperature refers under current environment in air-conditioner is converted to the temperature required for aqueous water.Due to former dew point temperature differences that thus results in such as the pressure size in environment, temperature level and humidity sizes, it is therefore desirable to be analyzed determining to the dew point temperature under current environment.It addition, corresponding user, the atmospheric pressure in its surrounding air is relatively stable, and 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 be determined 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, A, B, C and D 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 second adjustment factor B and the three adjustment factor C span be 0-1, with reduce calculating error.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, for instance, select 19.2.
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.Considering 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 obtained the mode of target temperature difference by heat transfer temperature difference table coupling.In this situation, 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；Ambient temperature is positioned at 20-30 DEG C of scope, and 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 condensed 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: the operating frequency of rotating speed and/or compressor by regulating the blower fan in air-conditioner, regulates the temperature of heat exchanger 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 monitored out is more than target temperature, and the operating frequency of rotating speed and/or compressor by regulating blower fan so that the surface temperature of heat exchanger declines；When the currently practical surface temperature monitored out is less than target temperature, the operating frequency of rotating speed and/or compressor by regulating blower fan so that the surface temperature of heat exchanger raises；And when the currently practical surface temperature monitored out meets target temperature, the operating frequency of rotating speed and/or compressor by regulating blower fan so that the surface temperature of heat exchanger remains unchanged.
Therefore, utilizing the adjustment of rotation speed of fan and/or compressor frequency, regulate heat exchanger surface temperature at short notice and maintain the target temperature of the best, the quick self cleaning and the adaptivity that reach heat exchanger regulate, it is ensured that the automatically cleaning effect of heat exchanger.
Specifically, when the currently practical surface temperature of the heat exchanger monitored out is more than target temperature, it is possible to 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 monitored out is less than target temperature, it is possible to 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 monitored out meets target temperature, constant and/or maintenance compressor the present operating frequency of current rotating speed maintaining blower fan is constant.
By adopting above-mentioned adjustment, 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.
Adopt 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 the adjustment to the rotation speed of fan of indoor set and/or compressor operating frequency, realize intensification or the cooling of heat exchanger, the real surface temperature of heat exchanger is maintained the Optimal Temperature determined, to form the effect that enough condensed waters are cleaned to the dust and dirt ensureing heat exchanger surface, and realize minimum energy consumption, accomplish the energy-conservation of air-conditioner.
Above example is only in order to illustrate technical scheme, but not 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 replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of present invention technical scheme required for protection.
Claims (10)
1. the clean method of air-conditioner intelligent self-cleaning, 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 simultaneously indoor have the condition of people, air-conditioner accumulated running time more than the condition setting the condition of accumulated running time threshold value, indoor environment temperature and being in more than the condition of set environment humidity and air-conditioner more than the condition of set environment temperature, indoor environment humidity off-mode；
Or, meet simultaneously indoor setting condition unmanned in the persistent period, the accumulated running time of air-conditioner be in the condition of off-mode more than the described condition setting accumulated running time threshold value and air-conditioner.
2. the clean method of air-conditioner intelligent self-cleaning 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.
3. the clean method of air-conditioner intelligent self-cleaning according to claim 1, it is characterised in that described set environment temperature is 20 DEG C, and described set environment humidity is 40%, described sets the persistent period as 30min.
4. the clean method of air-conditioner intelligent self-cleaning 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.
5. the clean method of air-conditioner intelligent self-cleaning 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 switches to refrigeration mode run, 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.
6. the clean method of air-conditioner intelligent self-cleaning 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 running refrigerating pattern, 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 described aqueous water heat exchanger to carry out automatically cleaning process.
7. the clean method of air-conditioner intelligent self-cleaning 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, it is determined that heat exchanger is for the surface temperature condensed and as target temperature；
The operating frequency of rotating speed and/or compressor by regulating the blower fan in air-conditioner, regulates and maintains described target temperature by the temperature of heat exchanger.
8. the clean method of air-conditioner intelligent self-cleaning according to claim 7, it is characterised in that the current environmental temperature of indoor, described acquisition air-conditioner place and current environment humidity, it is determined that heat exchanger, for the surface temperature condensed and as target temperature, specifically includes:
According to described current environmental temperature and described current environment humidity, it is determined that the dew point temperature under current environment；
Described target temperature is determined according to the dew point temperature under described current environment.
9. the clean method of air-conditioner intelligent self-cleaning according to claim 8, it is characterised in that described according to described current environmental temperature with described current environment humidity, it is determined that the dew point temperature under current environment, specifically includes:
Determine the dew point temperature under described current environment according to the following equation: t=U(A+BT)+CT-D；
Wherein, t is dew point temperature, and U is ambient humidity, and T is ambient temperature, A, B, C and D respectively the first adjustment factor, the second adjustment factor, the 3rd adjustment factor and the 4th adjustment factor.
10. the clean method of air-conditioner intelligent self-cleaning 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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