CN111473476A - Defrosting method, device and system for air conditioner, air conditioner and readable storage medium - Google Patents
Defrosting method, device and system for air conditioner, air conditioner and readable storage medium Download PDFInfo
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- CN111473476A CN111473476A CN202010341081.7A CN202010341081A CN111473476A CN 111473476 A CN111473476 A CN 111473476A CN 202010341081 A CN202010341081 A CN 202010341081A CN 111473476 A CN111473476 A CN 111473476A
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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
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
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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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- 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
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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Abstract
A defrosting method of an air conditioner is applied to the technical field of air conditioners and comprises the following steps: when the air conditioner is in a heating state, acquiring outdoor environment humidity and environment temperature in a current period, and acquiring frosting time corresponding to the environment humidity and the environment temperature based on a preset mapping relation between the environment humidity and the environment temperature and the frosting time; acquiring a plurality of frosting durations corresponding to a plurality of groups of environmental humidity and environmental temperature in all historical periods; and judging whether to enter a defrosting state or not according to the plurality of frosting time lengths and the total time length of all historical periods. The influence of the working condition changes of the environmental temperature and the environmental humidity on the defrosting time in the whole process is taken into consideration, and whether the air conditioner needs to enter the defrosting state or not can be accurately judged by utilizing the defrosting time in the whole process and all the defrosting time in the whole process, so that the wrong defrosting is effectively avoided.
Description
Technical Field
The present disclosure relates to the field of air conditioners, and in particular, to a defrosting method, an apparatus, a system, an air conditioner, and a readable storage medium for an air conditioner.
Background
Frosting is a longer process, the working condition of each time in the process can affect the frosting speed, two parameters of time and outer plate temperature are generally selected as references for the judging mode of the frosting amount when the defrosting can be achieved at present, and the frosting amount which can be defrosted is considered to be achieved when the heating working time is not less than 30 minutes and the temperature is less than-2 ℃.
The method is insufficient in consideration of working condition fluctuation in the frosting process, the actual frosting speed of the air conditioner external unit cannot be correctly reflected, redundant defrosting operation can be achieved by neglecting the influence caused by the working condition fluctuation, a phenomenon that a defrosting signal cannot be sent out when defrosting is needed can also occur, and the defrosting effect is poor.
Disclosure of Invention
The present disclosure is directed to a defrosting method, apparatus, system, air conditioner and readable storage medium for an air conditioner, which can solve the problem of wrong defrosting of the air conditioner.
In order to achieve the above object, a first aspect of the embodiments of the present disclosure provides a defrosting method for an air conditioner, where the air conditioner includes an air conditioner external unit, and the defrosting method includes:
when the air conditioner is in a heating state, acquiring outdoor environment humidity and environment temperature in a current period, and acquiring frosting time corresponding to the environment humidity and the environment temperature based on a preset mapping relation between the environment humidity and the environment temperature and the frosting time;
acquiring a plurality of frosting durations corresponding to a plurality of groups of environmental humidity and environmental temperature in all historical periods;
and judging whether to enter a defrosting state or not according to the plurality of frosting time lengths and the total time length of all historical periods.
Optionally, the determining whether to enter the defrosting state according to the multiple frosting durations and the total duration of all cycles includes:
calculating an average frosting time length of the plurality of frosting time lengths;
judging whether the total time length is not less than the average frosting time length or not;
if the total time length is not less than the average frosting time length, entering a defrosting state;
and if the total time length is less than the average frosting time length, entering a next period, taking the next period as the current period, and executing the step of acquiring the environmental humidity and the environmental temperature of the air conditioner outdoor unit in the current period.
Optionally, wherein,
setting a plurality of groups of environmental humidity and environmental temperature;
under the measuring environment of each group of environmental humidity and environmental temperature, the frosting amount of each group of environmental humidity and environmental temperature in unit time is measured;
under the condition that the frosting amount of the outdoor unit is constant when defrosting is needed, calculating the corresponding frosting duration of each group of the environment humidity and the environment temperature according to the frosting amount of each group of the environment humidity and the corresponding unit time at the environment temperature;
and obtaining the mapping relation between the environmental humidity and the environmental temperature and the frosting duration according to the corresponding frosting durations of the environmental humidity and the environmental temperature of each group.
Optionally, before obtaining the mapping relationship between the ambient humidity and the ambient temperature-frosting duration according to the corresponding frosting durations of the sets of ambient humidity and ambient temperature, the method further includes:
establishing N continuous frosting time intervals, wherein each frosting time interval corresponds to a specified frosting time;
searching a frosting time interval in which the frosting time corresponding to each group of ambient humidity and ambient temperature is located, and a specified frosting time corresponding to the frosting time interval;
the obtaining of the mapping relationship between the environmental humidity and the environmental temperature and the frosting duration according to the corresponding frosting durations of the environmental humidity and the environmental temperature of each group comprises:
and obtaining a mapping relation between the ambient humidity and the ambient temperature-frosting time according to the specified frosting time of the frosting time interval in which the corresponding frosting time of each group of ambient humidity and ambient temperature is located, wherein the frosting time is the specified frosting time in the corresponding interval.
A second aspect of an embodiment of the present invention provides a defrosting apparatus of an air conditioner, including:
the first acquisition module is used for acquiring the outdoor environment humidity and the outdoor environment temperature in the current period when the air conditioner outdoor unit is in a heating state;
the second acquisition module is used for acquiring frosting time corresponding to the environment humidity and the environment temperature based on a preset mapping relation between the environment humidity and the environment temperature and the frosting time;
the third acquisition module is used for acquiring a plurality of frosting durations corresponding to a plurality of groups of environmental humidity and environmental temperature in all historical periods;
and the processing module is used for judging whether to enter a defrosting state according to the frosting durations and the total duration of all the historical periods.
Optionally, the processing module includes:
the calculation submodule is used for calculating the average frosting time length of the plurality of frosting time lengths;
the judgment submodule is used for judging whether the total time length is not less than the average frosting time length or not;
the entering submodule is used for entering a defrosting state if the total time length is not less than the average frosting time length;
the first obtaining module is further configured to enter a next period if the total time length is less than the average frosting time length, use the next period as a current period, and execute the step of obtaining the ambient humidity and the ambient temperature of the air conditioner external unit in the current period.
A third aspect of an embodiment of the present invention provides a defrosting system of an air conditioner, including:
the humidity measuring device is used for measuring the ambient humidity;
a temperature measuring device for measuring an ambient temperature;
the controller is connected with the humidity measuring device and the temperature measuring device and used for acquiring outdoor environment humidity and environment temperature in a current period when an air conditioner outdoor unit is in a heating state, acquiring frosting time corresponding to the environment humidity and the environment temperature based on a preset mapping relation between the environment humidity and the environment temperature and the frosting time, acquiring a plurality of frosting times corresponding to a plurality of groups of environment humidity and environment temperature in all historical periods, and judging whether the air conditioner outdoor unit enters a defrosting state or not according to the plurality of frosting times and the total time of all historical periods.
Optionally, the humidity measuring device and the temperature measuring device are located at an air inlet of the air conditioner external unit.
A fourth aspect of the embodiments of the present invention provides an air conditioner, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor, when executing the computer program, implements the defrosting method of the air conditioner according to the first aspect of the embodiments of the present disclosure.
A fifth aspect of the embodiments of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the defrosting method of the air conditioner provided by the first aspect of the embodiments of the present disclosure.
In the embodiment of the disclosure, the influence of the working condition changes of the ambient temperature and the ambient humidity on the defrosting time in the whole process is taken into consideration, and whether the air conditioner needs to enter the defrosting state or not can be accurately judged by utilizing the defrosting time in the whole process and all the defrosting time in the whole process, so that the wrong defrosting is effectively avoided.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flow chart illustrating a defrosting method of an air conditioner according to an embodiment of the present disclosure;
FIG. 2 is a graphical representation of ambient humidity and ambient temperature versus the amount of frost formed per unit time provided by an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a defrosting apparatus of an air conditioner according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a defrosting system of an air conditioner according to an embodiment of the present disclosure;
fig. 5 shows a hardware configuration diagram of an air conditioner.
Detailed Description
In order to make the objects, features and advantages of the present disclosure more apparent and understandable, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure, and it is apparent that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a defrosting method of an air conditioner according to an embodiment of the present disclosure, the air conditioner includes an air conditioner external unit, and the defrosting method includes:
s101, when the air conditioner is in a heating state, acquiring outdoor environment humidity and environment temperature in a current period;
s102, acquiring frosting time corresponding to the environment humidity and the environment temperature based on a preset mapping relation between the environment humidity and the environment temperature and the frosting time;
s103, acquiring multiple frosting durations corresponding to multiple groups of environmental humidity and environmental temperature in all historical periods;
and S104, judging whether to enter a defrosting state according to the plurality of frosting time lengths and the total time length of all historical periods.
The air conditioner is a heat pump type air conditioner, the heat pump type air conditioner comprises an air conditioner internal unit and an air conditioner internal unit, when the air conditioner external unit heats in winter, the air conditioner external unit is easy to frost, and along with the increase of frost layers and frost quantity, the heating effect of the air conditioner can be greatly reduced. Frosting is a long process, the working condition of each time in the process can influence the frosting speed, the heat transfer driving force of frosting is temperature, the mass transfer driving force is humidity, and the heat transfer driving force and the mass transfer driving force both influence the frosting speed and the frosting duration. Therefore, the influence of the working condition changes of the ambient temperature and the ambient humidity on the frosting speed and the frosting time in the whole process can be taken into consideration.
The duration of one period may be 1 second, 10 seconds, 1 minute, and the like, and may be specifically set according to an actual situation. It can be understood that when the period is short enough, the frosting speed can be obtained from time to time, and the actual frosting condition can be predicted more accurately.
Wherein, outdoor refers to the outdoor environment that the outer machine of this disclosure of air conditioner is located.
It is understood that the history cycle refers to all cycles that have occurred. For example, the current period is a third period, and after the outdoor ambient humidity and the outdoor ambient temperature in the third period are obtained, the third period also becomes a history period, that is, all history periods at this time include the first period, the second period, and the third period.
The frosting time is the frosting time when the target frosting amount is reached, and the target frosting amount is the frosting amount when defrosting is needed.
The preset mapping relation between the environment humidity and the environment temperature-frosting time can be set as a plurality of groups of test groups of the environment humidity and the environment temperature, and the frosting time from the frosting start to the time when the target frosting amount is reached is recorded under the measuring environment of the plurality of groups of test groups, so that the preset mapping relation between the environment humidity and the environment temperature-frosting time is obtained.
In the embodiment, the influence of the working condition changes of the environmental temperature and the environmental humidity on the defrosting time in the whole process is taken into consideration, and whether the air conditioner needs to enter the defrosting state or not can be accurately judged by utilizing the defrosting time in the whole process and all the defrosting time in the whole process, so that the wrong defrosting is effectively avoided.
In one embodiment of the present application, step S104 includes:
calculating an average frosting time length of the plurality of frosting time lengths;
judging whether the total time length is not less than the average frosting time length or not;
if the total time length is not less than the average frosting time length, entering a defrosting state;
if the total time length is less than the average frosting time length, entering a next period, taking the next period as a current period, and executing the step S101.
In one example, let the plurality of frosting time periods be t1, t2,.. and tn, respectively, then the average frosting time period of the plurality of frosting time periods is
Let the duration of one period be Δ T, the total duration of all periods n Δ T. When in use
And then entering a defrosting state.
In one of the embodiments of the present application, wherein,
setting a plurality of groups of environmental humidity and environmental temperature;
under the measuring environment of each group of environmental humidity and environmental temperature, the frosting amount of each group of environmental humidity and environmental temperature in unit time is measured;
under the condition that the frosting amount of the outdoor unit is constant when defrosting is needed, obtaining the corresponding frosting duration of each group of the environment humidity and the environment temperature according to the frosting amount of each group of the environment humidity and the corresponding unit time at the environment temperature;
and obtaining a mapping relation between the environmental humidity and the environmental temperature and the frosting duration according to the corresponding frosting durations of the environmental humidity and the environmental temperature of each group.
It can be understood that, when the target frosting amount is constant, the frosting amount per unit time and the frosting time length are in an inverse relationship, that is, the frosting time length is the frosting amount of the air conditioner outdoor unit/the frosting amount per unit time when defrosting is needed.
In one example, a plurality of sets of ambient humidity and ambient temperature are set, and specifically, the frosting amount per unit time at different ambient temperatures is measured at the same ambient humidity, and the frosting amount per unit time at different ambient temperatures is measured at the same ambient temperature. Fig. 2 shows a diagram of the ambient humidity and ambient temperature versus the amount of frost formation per unit time.
Specifically, in one example, it is set that when the frosting amount per unit time is measured at 10 different ambient temperatures under the same ambient humidity, the values of the frosting time period obtained according to the above formula are 30, 35, 40, 42, 50, 60, 55, 45, 42, 37, 33, respectively.
In one embodiment of the present application, before obtaining the mapping relationship between the ambient humidity and the ambient temperature-frosting duration according to the corresponding frosting durations of the sets of ambient humidity and ambient temperature, the method further includes:
establishing N continuous frosting time intervals, wherein each frosting time interval corresponds to a specified frosting time;
searching a frosting time interval in which the frosting time corresponding to each group of ambient humidity and ambient temperature is located, and a specified frosting time corresponding to the frosting time interval;
the obtaining of the mapping relationship between the environmental humidity and the environmental temperature-frosting duration according to the corresponding frosting durations of the environmental humidity and the environmental temperature of each group includes:
and obtaining a mapping relation between the environmental humidity and the environmental temperature-frosting time according to the specified frosting time of the frosting time interval in which the corresponding frosting time of each group of environmental humidity and environmental temperature is located, wherein the frosting time is the specified frosting time in the corresponding interval.
The difference between the maximum value and the minimum value of two adjacent intervals may be the same or different, which is not limited in this embodiment. Setting N consecutive frosting period intervals to be 5, setting the number of frosting period to be 10 to be 45, 50, 62, 70, 80, 75, 65, 52, 47, 33 respectively, in one example, 30-40, 41-50, 51-60, 61-70, 71-80 may be set. In another example, ranges of 30-45, 45-50, 51-70, 71-76, 77-80 may be provided.
The specified frosting time length corresponding to each frosting time length interval is guaranteed to be a numerical value within the range of the interval, and the embodiment of the application does not limit the specified frosting time length. In one example, N continuous frosting time intervals are set to be 5, the intervals are respectively 30-45, 45-50, 51-70, 71-76 and 77-80, the corresponding specified frosting time intervals are respectively 30, 47, 55, 75 and 80, the numerical value of the set frosting time interval is 10 and respectively 45, 50, 62, 70, 80, 75, 65, 52, 47 and 33, and the specified frosting time interval corresponding to the frosting time interval is 30, 47, 55, 80, 75, 55, 47 and 30.
In one example, N consecutive frosting period sections are set to 5, and the designated frosting period is represented as t1, t2, t3, t4, t 5. In step S104, in one example, the designated frosting time lengths corresponding to the plurality of frosting time lengths are (t2, t2, t1, t3 …), respectively. Can be set as (a1, a 2.. an) to obtain
It is understood that a1, a2, a3, and a3 are t2, t2, and t1, respectively.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a defrosting apparatus of an air conditioner according to an embodiment of the present disclosure, the air conditioner includes:
the first obtaining module 201 is configured to obtain an outdoor environment humidity and an outdoor environment temperature in a current period when the air conditioner external unit is in a heating state;
a second obtaining module 202, configured to obtain frosting time corresponding to the environment humidity and the environment temperature based on a preset mapping relationship between the environment humidity and the environment temperature and the frosting time;
a third obtaining module 203, configured to obtain multiple frosting durations corresponding to multiple sets of ambient humidity and ambient temperature in all history periods;
and the processing module 204 is configured to determine whether to enter a defrosting state according to the multiple frosting durations and the total duration of all history periods.
In the embodiment, the influence of the working condition changes of the environmental temperature and the environmental humidity on the defrosting time in the whole process is taken into consideration, and whether the air conditioner needs to enter the defrosting state or not can be accurately judged by utilizing the defrosting time in the whole process and all the defrosting time in the whole process, so that the wrong defrosting is effectively avoided.
In one embodiment of the present application, the processing module 204 includes:
the calculation submodule is used for calculating the average frosting time length of the plurality of frosting time lengths;
the judgment submodule is used for judging whether the total time length is not less than the average frosting time length or not;
entering a submodule for entering a defrosting state if the total time length is not less than the average frosting time length;
the first obtaining module 201 is further configured to enter a next period if the total time length is less than the average frosting time length, and use the next period as a current period to perform the step of obtaining the ambient humidity and the ambient temperature of the air conditioner external unit in the current period.
Optionally, the apparatus further comprises:
the setting module is used for setting a plurality of groups of environmental humidity and environmental temperature;
the measuring module is used for measuring and obtaining the frosting amount of each group of environment humidity and environment temperature in unit time under the measuring environment of each group of environment humidity and environment temperature;
the calculation module is used for calculating the frosting duration corresponding to each group of ambient humidity and ambient temperature according to the frosting amount of each group of ambient humidity and ambient temperature in unit time under the condition that the frosting amount of the outdoor unit is constant when defrosting is needed;
and the determining module is used for obtaining the mapping relation between the ambient humidity and the ambient temperature and the frosting duration according to the corresponding frosting durations of the ambient humidity and the ambient temperature of each group.
Optionally, the apparatus further comprises:
the device comprises an establishing module, a judging module and a control module, wherein the establishing module is used for establishing N continuous frosting time intervals, and each frosting time interval corresponds to a specified frosting time;
the searching module is used for searching the frosting time interval where the frosting time corresponding to each group of ambient humidity and ambient temperature is located and the specified frosting time corresponding to the frosting time interval;
the determination module includes:
and the determining submodule is used for obtaining a mapping relation between the ambient humidity and the ambient temperature and the frosting time according to the specified frosting time of the frosting time interval in which the corresponding frosting time of each group of ambient humidity and ambient temperature is located, wherein the frosting time is the specified frosting time in the corresponding interval.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a defrosting system of an air conditioner according to an embodiment of the present disclosure, the defrosting system includes:
a humidity measuring device 301 for measuring ambient humidity;
a temperature measuring device 302 for measuring ambient temperature;
the controller 303 is connected to the humidity measuring device and the temperature measuring device, and configured to obtain outdoor ambient humidity and ambient temperature in a current period when the air conditioner external unit is in a heating state, obtain a frosting time corresponding to the ambient humidity and the ambient temperature based on a preset mapping relationship between the ambient humidity and the ambient temperature and the frosting time, obtain a plurality of frosting times corresponding to a plurality of groups of ambient humidity and ambient temperature in all history periods, and determine whether to enter a defrosting state according to the plurality of frosting times and a total time of all history periods.
In the embodiment, the influence of the working condition changes of the environmental temperature and the environmental humidity on the defrosting time in the whole process is taken into consideration, and whether the air conditioner needs to enter the defrosting state or not can be accurately judged by utilizing the defrosting time in the whole process and all the defrosting time in the whole process, so that the wrong defrosting is effectively avoided.
In one embodiment of the present application, the humidity measuring device and the temperature measuring device are located at an air inlet of the outdoor unit of the air conditioner.
Optionally, the determining whether to enter the defrosting state according to the multiple frosting durations and the total duration of all the historical periods includes:
calculating an average frosting time length of the plurality of frosting time lengths;
judging whether the total time length is not less than the average frosting time length or not;
if the total time length is not less than the average frosting time length, entering a defrosting state;
and if the total time length is less than the average frosting time length, entering a next period, taking the next period as the current period, and executing the step of acquiring the environmental humidity and the environmental temperature of the air conditioner outdoor unit in the current period.
Optionally, setting multiple groups of ambient humidity and ambient temperature;
under the measuring environment of each group of environmental humidity and environmental temperature, the frosting amount of each group of environmental humidity and environmental temperature in unit time is measured;
under the condition that the frosting amount of the outdoor unit is constant when defrosting is needed, calculating the corresponding frosting duration of each group of the environment humidity and the environment temperature according to the frosting amount of each group of the environment humidity and the corresponding unit time at the environment temperature;
and obtaining a mapping relation between the environmental humidity and the environmental temperature and the frosting duration according to the corresponding frosting durations of the environmental humidity and the environmental temperature of each group.
Optionally, before obtaining the mapping relationship between the ambient humidity and the ambient temperature-frosting duration according to the corresponding frosting durations of the sets of ambient humidity and ambient temperature, the method further includes:
establishing N continuous frosting time intervals, wherein each frosting time interval corresponds to a specified frosting time;
searching a frosting time interval in which the frosting time corresponding to each group of ambient humidity and ambient temperature is located, and a specified frosting time corresponding to the frosting time interval;
the obtaining of the mapping relationship between the environmental humidity and the environmental temperature-frosting duration according to the corresponding frosting durations of the environmental humidity and the environmental temperature of each group includes:
and obtaining a mapping relation between the environmental humidity and the environmental temperature-frosting time according to the specified frosting time of the frosting time interval in which the corresponding frosting time of each group of environmental humidity and environmental temperature is located, wherein the frosting time is the specified frosting time in the corresponding interval.
Referring to fig. 5, fig. 5 is a hardware configuration diagram of an air conditioner.
The air conditioner described in the embodiments of the present disclosure includes a memory, a processor, and a computer program stored on the memory and executable on the processor, and the processor implements the defrosting method of the air conditioner shown in fig. 1 of the present disclosure when executing the computer program.
Further, the embodiment of the present disclosure also provides a computer-readable storage medium, which may be provided in the air conditioner in the foregoing embodiments, and the computer-readable storage medium may be the air conditioner in the foregoing embodiment shown in fig. 4. The computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the defrosting method of the air conditioner described in the foregoing embodiment shown in fig. 1. Further, the computer-readable storage medium may be various media that can store program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It should be noted that each functional module in each embodiment of the present disclosure may be integrated into one processing module, or each module may exist alone physically, or two or more modules are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode.
The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be substantially or partially embodied in the form of a software product, or all or part of the technical solution that contributes to the prior art.
It should be noted that, for the sake of simplicity, the above-mentioned method embodiments are described as a series of acts or combinations, but those skilled in the art should understand that the present invention is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no acts or modules are necessarily required of the invention.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In view of the above description of the defrosting method, the defrosting apparatus, the defrosting system, the air conditioner and the readable storage medium for the air conditioner provided by the present invention, those skilled in the art will have changes in the detailed description and the application scope according to the ideas of the embodiments of the present invention.
Claims (10)
1. A defrosting method of an air conditioner, wherein the air conditioner comprises an air conditioner external unit, and the defrosting method comprises the following steps:
when the air conditioner is in a heating state, acquiring outdoor environment humidity and environment temperature in a current period, and acquiring frosting time corresponding to the environment humidity and the environment temperature based on a preset mapping relation between the environment humidity and the environment temperature and the frosting time;
acquiring a plurality of frosting durations corresponding to a plurality of groups of environmental humidity and environmental temperature in all historical periods;
and judging whether to enter a defrosting state or not according to the plurality of frosting time lengths and the total time length of all historical periods.
2. The defrosting method of an air conditioner according to claim 1, wherein the determining whether to enter the defrosting state according to the plurality of frosting time periods and the total time period of all cycles comprises:
calculating an average frosting time length of the plurality of frosting time lengths;
judging whether the total time length is not less than the average frosting time length or not;
if the total time length is not less than the average frosting time length, entering a defrosting state;
and if the total time length is less than the average frosting time length, entering a next period, taking the next period as the current period, and executing the step of acquiring the environmental humidity and the environmental temperature of the air conditioner outdoor unit in the current period.
3. The defrosting method of an air conditioner according to claim 1 or 2, wherein,
setting a plurality of groups of environmental humidity and environmental temperature;
under the measuring environment of each group of environmental humidity and environmental temperature, the frosting amount of each group of environmental humidity and environmental temperature in unit time is measured;
under the condition that the frosting amount of the outdoor unit is constant when defrosting is needed, calculating the corresponding frosting duration of each group of the environment humidity and the environment temperature according to the frosting amount of each group of the environment humidity and the corresponding unit time at the environment temperature;
and obtaining the mapping relation between the environmental humidity and the environmental temperature and the frosting duration according to the corresponding frosting durations of the environmental humidity and the environmental temperature of each group.
4. The defrosting method of an air conditioner according to claim 3, wherein before obtaining the mapping relationship between the ambient humidity and the ambient temperature-frosting duration according to the corresponding frosting durations at the ambient humidity and the ambient temperature of each group, the method further comprises:
establishing N continuous frosting time intervals, wherein each frosting time interval corresponds to a specified frosting time;
searching a frosting time interval in which the frosting time corresponding to each group of ambient humidity and ambient temperature is located, and a specified frosting time corresponding to the frosting time interval;
the obtaining of the mapping relationship between the environmental humidity and the environmental temperature and the frosting duration according to the corresponding frosting durations of the environmental humidity and the environmental temperature of each group comprises:
and obtaining a mapping relation between the ambient humidity and the ambient temperature-frosting time according to the specified frosting time of the frosting time interval in which the corresponding frosting time of each group of ambient humidity and ambient temperature is located, wherein the frosting time is the specified frosting time in the corresponding interval.
5. A defrosting apparatus of an air conditioner, comprising:
the first acquisition module is used for acquiring the outdoor environment humidity and the outdoor environment temperature in the current period when the air conditioner outdoor unit is in a heating state;
the second acquisition module is used for acquiring frosting time corresponding to the environment humidity and the environment temperature based on a preset mapping relation between the environment humidity and the environment temperature and the frosting time;
the third acquisition module is used for acquiring a plurality of frosting durations corresponding to a plurality of groups of environmental humidity and environmental temperature in all historical periods;
and the processing module is used for judging whether to enter a defrosting state according to the frosting durations and the total duration of all the historical periods.
6. The defrosting apparatus of an air conditioner according to claim 5, wherein the processing module comprises:
the calculation submodule is used for calculating the average frosting time length of the plurality of frosting time lengths;
the judgment submodule is used for judging whether the total time length is not less than the average frosting time length or not;
the entering submodule is used for entering a defrosting state if the total time length is not less than the average frosting time length;
the first obtaining module is further configured to enter a next period if the total time length is less than the average frosting time length, use the next period as a current period, and execute the step of obtaining the ambient humidity and the ambient temperature of the air conditioner external unit in the current period.
7. A defrost system for an air conditioner, comprising:
the humidity measuring device is used for measuring the ambient humidity;
a temperature measuring device for measuring an ambient temperature;
the controller is connected with the humidity measuring device and the temperature measuring device and used for acquiring outdoor environment humidity and environment temperature in a current period when an air conditioner outdoor unit is in a heating state, acquiring frosting time corresponding to the environment humidity and the environment temperature based on a preset mapping relation between the environment humidity and the environment temperature and the frosting time, acquiring a plurality of frosting times corresponding to a plurality of groups of environment humidity and environment temperature in all historical periods, and judging whether the air conditioner outdoor unit enters a defrosting state or not according to the plurality of frosting times and the total time of all historical periods.
8. The defrosting system of an air conditioner according to claim 7, wherein the humidity measuring device and the temperature measuring device are located at an air inlet of the outdoor unit of the air conditioner.
9. An air conditioner comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the defrosting method of the air conditioner according to any one of claims 1 to 4 when executing the computer program.
10. A computer-readable storage medium on which a computer program is stored, wherein the computer program, when executed by a processor, implements the defrosting method of an air conditioner according to any one of claims 1 to 4.
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| CN202010341081.7A CN111473476A (en) | 2020-04-26 | 2020-04-26 | Defrosting method, device and system for air conditioner, air conditioner and readable storage medium |
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| CN202010341081.7A CN111473476A (en) | 2020-04-26 | 2020-04-26 | Defrosting method, device and system for air conditioner, air conditioner and readable storage medium |
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