CN113531777A - Defrosting control method and device of air conditioner and air conditioner - Google Patents
Defrosting control method and device of air conditioner and air conditioner Download PDFInfo
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- CN113531777A CN113531777A CN202110766453.5A CN202110766453A CN113531777A CN 113531777 A CN113531777 A CN 113531777A CN 202110766453 A CN202110766453 A CN 202110766453A CN 113531777 A CN113531777 A CN 113531777A
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- 238000010257 thawing Methods 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims abstract description 184
- 230000005494 condensation Effects 0.000 claims abstract description 52
- 238000009833 condensation Methods 0.000 claims abstract description 52
- 238000005057 refrigeration Methods 0.000 claims abstract description 9
- 238000004590 computer program Methods 0.000 claims description 13
- 238000004891 communication Methods 0.000 claims description 11
- 239000003507 refrigerant Substances 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 8
- 230000001276 controlling effect Effects 0.000 description 47
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- F24F11/62—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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
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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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a defrosting control method and device of an air conditioner and the air conditioner, wherein the defrosting control method of the air conditioner comprises the following steps: under the condition that a first input of a user for starting defrosting control on the air conditioner is received, acquiring the indoor environment temperature of a compartment where an air conditioner internal unit is located and the condensation point temperature of the environment where the air conditioner external unit is located; determining the running rotating speed of a fan arranged on an air conditioner internal unit and the starting state of a first heating device according to the threshold range of the temperature difference value between the set temperature and the indoor environment temperature, and determining the starting power of a second heating device arranged on an air conditioner external unit according to the threshold range of the condensation point temperature; and controlling the air conditioner to operate in a refrigeration mode, controlling a fan and a first heating device of an air conditioner internal unit according to the operation rotating speed and the starting state of the first heating device, and controlling a second heating device according to the starting power. According to the invention, the air outlet temperature of the air conditioner indoor unit and the defrosting efficiency of the air conditioner are improved in the defrosting process, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of air conditioner defrosting, in particular to a defrosting control method and device of an air conditioner and the air conditioner.
Background
When the air conditioner is used in winter, the temperature of a condenser in the outdoor unit is low, moisture in outdoor air can be condensed and frosted on the surface of the condenser, and the frosting can reduce the heat exchange capacity of the condenser, so that the heating effect of the air conditioner is influenced, and therefore the air conditioner needs to be defrosted regularly in time.
The main method for defrosting the outdoor unit of the existing air conditioner is to change the air conditioner from a heating mode to a cooling mode, and a high-temperature and high-pressure refrigerant output by a compressor flows into a condenser of the outdoor unit, so that a frost layer on the condenser is melted by the refrigerant with higher temperature. According to the defrosting method, the air outlet of the indoor unit blows cold air in the defrosting process, so that the user experience is influenced, and meanwhile, the defrosting efficiency is low.
Disclosure of Invention
The invention provides a defrosting control method and device of an air conditioner and the air conditioner, which are used for solving the problems of sudden drop of indoor temperature and low defrosting efficiency of the conventional air conditioner in the defrosting process.
The invention provides a defrosting control method of an air conditioner, which comprises the following steps: under the condition that a first input of a user for starting defrosting control on the air conditioner is received, acquiring the indoor environment temperature of a compartment where an air conditioner internal unit is located and the condensation point temperature of the environment where the air conditioner external unit is located; determining the running rotating speed of a fan arranged on an air conditioner internal unit and the starting state of a first heating device according to the threshold range of the temperature difference value between the set temperature and the indoor environment temperature, and determining the starting power of a second heating device arranged on an air conditioner external unit according to the threshold range of the condensation point temperature; controlling the air conditioner to operate in a refrigeration mode, controlling a fan of the air conditioner internal unit and the first heating device according to the operation rotating speed and the starting state of the first heating device, and controlling the second heating device according to the starting power.
According to the defrosting control method of the air conditioner provided by the invention, the operation rotating speed of the fan arranged in the indoor unit of the air conditioner and the starting state of the first heating device are determined according to the threshold range of the temperature difference value between the set temperature and the indoor environment temperature, and the defrosting control method comprises the following steps: under the condition that the temperature difference value is less than or equal to 1 ℃, controlling the running rotating speed of the fan to be zero, and controlling the first heating device to be closed; when the temperature difference value is greater than 1 ℃ and less than or equal to 2 ℃, controlling the running rotating speed of the fan to be a first rotating speed, and controlling the first heating device to be started; under the condition that the temperature difference value is greater than 2 ℃, controlling the running rotating speed of the fan to be a second rotating speed, and controlling the first heating device to be started; wherein the first rotational speed is less than the second rotational speed.
According to the defrosting control method of the air conditioner provided by the invention, the determining of the starting power of the second heating device arranged on the air conditioner outdoor unit according to the threshold range of the condensation point temperature comprises the following steps: controlling the starting power of the second heating device to be zero under the condition that the condensation point temperature is more than or equal to-5 ℃; controlling the starting power of the second heating device to be a first power under the condition that the condensation point temperature is less than-5 ℃ and more than or equal to-10 ℃; controlling the starting power of the second heating device to be a second power under the condition that the condensation point temperature is less than-10 ℃ and more than or equal to-13 ℃; controlling the starting power of the second heating device to be a third power under the condition that the condensation point temperature is less than-13 ℃ and more than or equal to-15 ℃; controlling the starting power of the second heating device to be fourth power under the condition that the condensation point temperature is lower than-15 ℃; wherein the first power, the second power, the third power, and the fourth power are sequentially increased.
According to the defrosting control method of the air conditioner, provided by the invention, a second input of a user for closing defrosting control of the air conditioner is received; controlling turning off the second heating device in response to the second input.
The present invention also provides a defrosting control device of an air conditioner, comprising: the device comprises an acquisition module, a determination module and a first control module; the acquisition module is used for acquiring the indoor environment temperature of a compartment where an air conditioner internal unit is located and the condensation point temperature of the environment where the air conditioner external unit is located under the condition that a first input of a user for starting defrosting control on the air conditioner is received; the determining module is used for determining the running rotating speed of a fan arranged on an air conditioner indoor unit and the starting state of a first heating device according to the threshold range of the temperature difference value between the set temperature and the indoor environment temperature, and determining the starting power of a second heating device arranged on an air conditioner outdoor unit according to the threshold range of the condensation point temperature; the first control module is used for controlling the air conditioner to operate in a refrigeration mode, controlling a fan of the air conditioner indoor unit and the first heating device according to the operation rotating speed and the starting state of the first heating device, and controlling the second heating device according to the starting power.
The defrosting control device of the air conditioner provided by the invention further comprises: the receiving module is used for receiving a second input of the user for closing the defrosting control of the air conditioner; and the second control module is used for responding to the second input and controlling to close the second heating device.
The present invention also provides an air conditioner including: the air conditioner comprises a controller, an air conditioner internal unit, an air conditioner external unit, a temperature sensor, a first heating device and a second heating device; the air conditioner internal unit is connected with the air conditioner external unit through a refrigerant pipeline; the temperature sensor is arranged at an air inlet of the air conditioner internal unit, and the first heating device is arranged in the air conditioner internal unit; the second heating device is arranged on the air conditioner external unit; the temperature sensor is in communication connection with the controller, and the controller is in communication connection with the first heating device and the second heating device respectively; the controller stores a computer program that, when executed by the controller, implements the steps of the defrosting control method of the air conditioner as described above.
According to an air conditioner provided by the present invention, the second heating means includes an electric heating belt including a plurality of heating sections, any two of which are connected in parallel.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the processor executes the program to realize the steps of the defrosting control method of the air conditioner.
The present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the defrost control method of an air conditioner as described above.
According to the defrosting control method and device for the air conditioner and the air conditioner, in the defrosting process, the opening state of the first heating device and the rotating speed of the fan of the air conditioner indoor unit are judged according to the threshold range of the temperature difference value between the indoor environment temperature and the set temperature by acquiring the condensation point temperature of the indoor environment and the condensation point temperature of the outdoor environment, under the combined action of the first heating device and the fan, the temperature difference between the air outlet temperature of the air outlet of the air conditioner indoor unit and the indoor environment temperature is reduced, the phenomenon of sudden drop of the indoor environment temperature is avoided, and the user experience is improved; judging the heating power of the second heating device according to the threshold range of the dew point temperature, and improving the defrosting efficiency of the air conditioner external unit under the auxiliary heating action of the second heating device; in conclusion, in the defrosting process, the air outlet temperature of the air conditioner internal unit is improved by controlling the first heating device, and the defrosting efficiency of the air conditioner external unit is improved by controlling the second heating device, so that the use experience of users is improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a defrosting control method for an air conditioner according to the present invention;
FIG. 2 is a second schematic flow chart of the defrosting control method of the air conditioner according to the present invention
FIG. 3 is a schematic structural diagram of a defrosting control device of an air conditioner according to the present invention;
FIG. 4 is a second schematic view of the defrosting control device of the air conditioner according to the present invention;
fig. 5 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following describes a defrosting control method and device for an air conditioner and an air conditioner provided by the invention with reference to fig. 1 to 5.
As shown in fig. 1, the present embodiment provides a defrosting control method for an air conditioner, including the following steps:
and step 110, under the condition that a first input of a user for starting defrosting control on the air conditioner is received, acquiring the indoor environment temperature of a compartment where the air conditioner internal unit is located and the condensation point temperature of the environment where the air conditioner external unit is located.
And 120, determining the running rotating speed of a fan arranged on an air conditioner indoor unit and the starting state of a first heating device according to the threshold range of the temperature difference value between the set temperature and the indoor environment temperature, and determining the starting power of a second heating device arranged on an air conditioner outdoor unit according to the threshold range of the condensation point temperature.
And step 130, controlling the air conditioner to operate in a refrigeration mode, controlling a fan and a first heating device of an air conditioner internal unit according to the operation rotating speed and the starting state of the first heating device, and controlling a second heating device according to the starting power.
Specifically, in the defrosting process, by acquiring the condensation point temperature of the indoor environment and the condensation point temperature of the outdoor environment, and according to the threshold range of the temperature difference value between the indoor environment temperature and the set temperature, the on state of the first heating device and the rotating speed of the fan of the indoor unit of the air conditioner are judged, and under the combined action of the first heating device and the fan, the temperature difference between the air outlet temperature of the air outlet of the indoor unit of the air conditioner and the indoor environment temperature is reduced, the phenomenon that the indoor environment temperature suddenly drops is avoided, and the user experience is improved; judging the heating power of the second heating device according to the threshold range of the dew point temperature, and improving the defrosting efficiency of the air conditioner external unit under the auxiliary heating action of the second heating device; so, this embodiment is in the defrosting in-process, has promoted the air-out temperature of air conditioner internal unit through controlling first heating device, and control second heating device has promoted the defrosting efficiency of the outer machine of air conditioner to user's use experience has been promoted.
It should be noted here that the specific manner of the first input of the air conditioner by the user to start the defrosting control may be a user voice input instruction, a user gesture input instruction, or a user input instruction through a remote controller; the air conditioner is an on-hook machine, a cabinet machine or a central air conditioner.
The condensation point temperature refers to the temperature of air when the air is cooled to a saturated state under the condition that the water vapor content and the air pressure are not changed, the water vapor content is reflected by the air humidity value, the condensation point temperature is positively correlated with the air humidity and the air pressure, the higher the air humidity is, the higher the condensation point temperature is, the higher the air pressure is, and the lower the condensation point temperature is; the condensation point temperature can be obtained by looking up a table according to the air humidity and the air pressure of the current environment, and when the condensation point temperature is less than 0 ℃, the phenomenon of frosting is easy to occur on an air conditioner outdoor unit.
It should also be noted that the heat source of the first heating device and the second heating device may be a refrigerant with a relatively high temperature, or may be an electric heater.
Further, this embodiment determines the operating speed of the fan of the indoor unit of the air conditioner and the on state of the first heating device according to the threshold range where the temperature difference value between the set temperature and the indoor environment temperature is located, and includes:
under the condition that the temperature difference value is less than or equal to 1 ℃, controlling the running rotating speed of the fan to be zero, and controlling the first heating device to be closed;
under the condition that the temperature difference value is greater than 1 ℃ and less than or equal to 2 ℃, controlling the running rotating speed of the fan to be a first rotating speed, and controlling the first heating device to be started;
under the condition that the temperature difference value is greater than 2 ℃, controlling the running rotating speed of the fan to be a second rotating speed, and controlling the first heating device to be started;
wherein the first rotational speed is less than the second rotational speed.
Specifically, this embodiment is through judging the difference in temperature value size of setting for temperature and indoor ambient temperature, corresponds the rotational speed of the state of opening of the first heating device of control and fan, under the great condition of difference in temperature value, increases the fan rotational speed to promote the air-out temperature of air conditioner internal unit air outlet, reduce the difference in temperature of air-out temperature and indoor ambient temperature, avoid indoor ambient temperature slump, promoted user's experience.
Preferably, the determining the on-power of the second heating device provided in the outdoor unit of the air conditioner according to the threshold range of the dew point temperature in the embodiment includes:
controlling the starting power of the second heating device to be zero under the condition that the condensation point temperature is more than or equal to-5 ℃;
controlling the starting power of the second heating device to be a first power under the condition that the condensation point temperature is less than-5 ℃ and more than or equal to-10 ℃;
controlling the starting power of the second heating device to be a second power under the condition that the condensation point temperature is less than-10 ℃ and more than or equal to-13 ℃;
controlling the starting power of the second heating device to be a third power under the condition that the condensation point temperature is less than-13 ℃ and more than or equal to-15 ℃;
controlling the starting power of the second heating device to be fourth power under the condition that the condensation point temperature is lower than-15 ℃;
the first power, the second power, the third power and the fourth power are increased in sequence.
Specifically, the embodiment determines whether the second heating device needs to be involved in the defrosting process of the air conditioner external unit by determining the threshold range of the condensation point temperature, and under the condition that the condensation point temperature is high, the frost layer of the air conditioner external unit is thin, the heated refrigerant can melt the frost layer in a short time, at this time, the second heating device does not need to participate in auxiliary defrosting, and the starting power of the second heating device is zero; under the condition that the condensation point temperature is lower, the outdoor unit frost layer of the air conditioner is thicker, in order to improve defrosting efficiency, the opening power of the second heating device is correspondingly controlled according to the threshold range of the condensation point temperature, and the second heating device is used for providing more heat for defrosting in unit time.
The second heating device may have a plurality of heating stages, each heating stage corresponding to a different heating power, for example, the first heating stage corresponds to a first power, the second heating stage corresponds to a second power, the third heating stage corresponds to a third power, and the fourth heating stage corresponds to a fourth power.
Preferably, as shown in fig. 2, the defrosting control method of the air conditioner according to the present embodiment further includes:
in response to a second input, controlling turning off the second heating device, step 150.
Specifically, after the defrosting is finished, the air conditioner controls to turn off the second heating device by responding to a second input of the user, the second heating device stops generating heat, and the air conditioner quits participating in auxiliary defrosting.
It should be noted here that the defrosting operation may be to defrost the air conditioner during heating, or to turn on only the defrosting function; under the condition of defrosting in the heating process of the air conditioner, after the second heating device is closed, the air conditioner is switched from a refrigerating mode to a heating mode, and meanwhile, the first heating device is controlled to be closed; and under the condition that the air conditioner only starts the defrosting function, after the second heating device is closed, the air conditioner is also in a closed state, and meanwhile, the first heating device is controlled to be closed.
The following describes a defrosting control device of an air conditioner provided by the present invention, and the following described defrosting control device of an air conditioner and the above described defrosting control method of an air conditioner can be referred to correspondingly.
As shown in fig. 3, the present embodiment further provides a defrosting control device of an air conditioner, comprising
The obtaining module 310 is configured to obtain an indoor environment temperature of a compartment where an air conditioner internal unit is located and a condensation point temperature of an environment where an air conditioner external unit is located, when a first input that a user starts defrosting control on an air conditioner is received.
The determining module 320 is configured to determine an operating speed of a fan and an on-state of a first heating device of an air conditioner internal unit according to a threshold range where a temperature difference value between the set temperature and the indoor environment temperature is located, and determine an on-power of a second heating device of an air conditioner external unit according to a threshold range where a condensation point temperature is located.
The first control module 330 is configured to control the air conditioner to operate in a cooling mode, control a fan and a first heating device of an internal unit of the air conditioner according to an operation speed and an on-state of the first heating device, and control a second heating device according to an on-power.
Specifically, in the defrosting process, by acquiring the condensation point temperature of the indoor environment and the condensation point temperature of the outdoor environment, and according to the threshold range of the temperature difference value between the indoor environment temperature and the set temperature, the on state of the first heating device and the rotating speed of the fan of the indoor unit of the air conditioner are judged, and under the combined action of the first heating device and the fan, the temperature difference between the air outlet temperature of the air outlet of the indoor unit of the air conditioner and the indoor environment temperature is reduced, the phenomenon that the indoor environment temperature suddenly drops is avoided, and the user experience is improved; judging the heating power of the second heating device according to the threshold range of the dew point temperature, and improving the defrosting efficiency of the air conditioner external unit under the auxiliary heating action of the second heating device; so, this embodiment is at the defrosting in-process, and first heating device has promoted the air-out temperature of air conditioner internal unit, and second heating device has promoted the defrosting efficiency of the outer machine of air conditioner, has promoted user's use and has experienced.
Preferably, as shown in fig. 4, the defrosting control device of the air conditioner of the present embodiment further includes:
a receiving module 410, configured to receive a second input from a user to turn off a defrosting control of the air conditioner;
a second control module 420 for controlling the second heating means to be turned off in response to a second input.
Specifically, after defrosting is finished, the receiving module receives a second input of the user, the second control module controls to turn off the second heating device, and the second heating device stops generating heat and quits participating in auxiliary defrosting.
Preferably, the embodiment further provides an air conditioner, which comprises a controller, an air conditioner internal unit and an air conditioner external unit; the air conditioner internal unit is connected with the air conditioner external unit through a refrigerant pipeline.
Further, the air conditioner shown in this embodiment further includes a temperature sensor, a first heating device, and a second heating device; the temperature sensor is arranged at an air inlet of an air conditioner internal unit, and the first heating device is arranged in the air conditioner internal unit; the second heating device is arranged on an air conditioner external unit; the temperature sensor is in communication connection with the controller, and the controller is in communication connection with the first heating device and the second heating device respectively; the controller stores a computer program, and the computer program realizes the steps of the defrosting control method of the air conditioner as described above when being executed by the controller.
Specifically, since the air conditioner shown in this embodiment can execute the defrosting control method of the air conditioner shown in the above embodiment, the air conditioner adopts all technical solutions of all the above embodiments, so that at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and details are not repeated herein.
It should be noted that one end of the refrigerant pipeline is connected with the radiator of the air conditioner internal unit through the compressor, and the other end of the refrigerant pipeline is connected with the condenser of the air conditioner external unit, so that the refrigerant can circulate between the air conditioner internal unit and the air conditioner external unit.
The controller shown in this embodiment may be an integrated circuit chip having signal processing capability. The controller may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. The controller may also be any conventional processor or the like.
Preferably, the second heating device shown in the present embodiment includes an electric heating belt, the electric heating belt includes a plurality of heating sections, and any two of the plurality of heating sections are connected in parallel.
Specifically, in the present embodiment, by connecting the plurality of heating sections in parallel, the second heating device starts the heating function in the case where at least one of the plurality of heating zones is connected to the heating circuit; the power of any two of the plurality of heating belts is equal, and when any one of the plurality of heating belts is connected into the heating circuit, the second heating device correspondingly starts the first power; when any two of the plurality of heating belts are connected into the heating circuit, the second heating device correspondingly starts second power; when any three of the plurality of heating belts are connected into the heating circuit, the second heating device correspondingly starts third power; when the plurality of heating belts are all connected into the heating circuit, the second heating device correspondingly starts fourth power.
Fig. 5 illustrates a physical structure diagram of an electronic device.
As shown in fig. 5, the electronic device may include: a processor (processor)510, a communication Interface (Communications Interface)520, a memory (memory)530 and a communication bus 540, wherein the processor 510, the communication Interface 520 and the memory 530 communicate with each other via the communication bus 540. The processor 510 may call logic instructions in the memory 530 to perform a defrost control method of an air conditioner, the method including: under the condition that a first input of a user for starting defrosting control on the air conditioner is received, acquiring the indoor environment temperature of a compartment where an air conditioner internal unit is located and the condensation point temperature of the environment where the air conditioner external unit is located; determining the running rotating speed of a fan arranged on an air conditioner internal unit and the starting state of a first heating device according to the threshold range of the temperature difference value between the set temperature and the indoor environment temperature, and determining the starting power of a second heating device arranged on an air conditioner external unit according to the threshold range of the condensation point temperature; controlling the air conditioner to operate in a refrigeration mode, controlling a fan of the air conditioner internal unit and the first heating device according to the operation rotating speed and the starting state of the first heating device, and controlling the second heating device according to the starting power.
Furthermore, the logic instructions in the memory 530 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In another aspect, the present invention also provides a computer program product comprising a computer program stored on a non-transitory computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, enable the computer to perform a defrosting control method of an air conditioner provided by the above methods, the method comprising: under the condition that a first input of a user for starting defrosting control on the air conditioner is received, acquiring the indoor environment temperature of a compartment where an air conditioner internal unit is located and the condensation point temperature of the environment where the air conditioner external unit is located; determining the running rotating speed of a fan arranged on an air conditioner internal unit and the starting state of a first heating device according to the threshold range of the temperature difference value between the set temperature and the indoor environment temperature, and determining the starting power of a second heating device arranged on an air conditioner external unit according to the threshold range of the condensation point temperature; controlling the air conditioner to operate in a refrigeration mode, controlling a fan of the air conditioner internal unit and the first heating device according to the operation rotating speed and the starting state of the first heating device, and controlling the second heating device according to the starting power.
In still another aspect, the present invention also provides a non-transitory computer-readable storage medium having stored thereon a computer program, which when executed by a processor, is implemented to perform the above-provided defrosting control method of an air conditioner, the method including: under the condition that a first input of a user for starting defrosting control on the air conditioner is received, acquiring the indoor environment temperature of a compartment where an air conditioner internal unit is located and the condensation point temperature of the environment where the air conditioner external unit is located; determining the running rotating speed of a fan arranged on an air conditioner internal unit and the starting state of a first heating device according to the threshold range of the temperature difference value between the set temperature and the indoor environment temperature, and determining the starting power of a second heating device arranged on an air conditioner external unit according to the threshold range of the condensation point temperature; controlling the air conditioner to operate in a refrigeration mode, controlling a fan of the air conditioner internal unit and the first heating device according to the operation rotating speed and the starting state of the first heating device, and controlling the second heating device according to the starting power.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A defrosting control method of an air conditioner is characterized by comprising the following steps:
under the condition that a first input of a user for starting defrosting control on the air conditioner is received, acquiring the indoor environment temperature of a compartment where an air conditioner internal unit is located and the condensation point temperature of the environment where the air conditioner external unit is located;
determining the running rotating speed of a fan arranged on an air conditioner internal unit and the starting state of a first heating device according to the threshold range of the temperature difference value between the set temperature and the indoor environment temperature, and determining the starting power of a second heating device arranged on an air conditioner external unit according to the threshold range of the condensation point temperature;
controlling the air conditioner to operate in a refrigeration mode, controlling a fan of the air conditioner internal unit and the first heating device according to the operation rotating speed and the starting state of the first heating device, and controlling the second heating device according to the starting power.
2. The defrosting control method of an air conditioner according to claim 1, wherein the determining the operating speed of a fan disposed in an indoor unit of the air conditioner and the on-state of the first heating device according to the threshold range of the temperature difference between the set temperature and the indoor environment temperature includes:
under the condition that the temperature difference value is less than or equal to 1 ℃, controlling the running rotating speed of the fan to be zero, and controlling the first heating device to be closed;
when the temperature difference value is greater than 1 ℃ and less than or equal to 2 ℃, controlling the running rotating speed of the fan to be a first rotating speed, and controlling the first heating device to be started;
under the condition that the temperature difference value is greater than 2 ℃, controlling the running rotating speed of the fan to be a second rotating speed, and controlling the first heating device to be started;
wherein the first rotational speed is less than the second rotational speed.
3. The defrosting control method of an air conditioner according to claim 1 or 2, wherein the determining of the on-power of the second heating apparatus provided in the outdoor unit of the air conditioner according to the threshold range of the dew point temperature includes:
controlling the starting power of the second heating device to be zero under the condition that the condensation point temperature is more than or equal to-5 ℃;
controlling the starting power of the second heating device to be a first power under the condition that the condensation point temperature is less than-5 ℃ and more than or equal to-10 ℃;
controlling the starting power of the second heating device to be a second power under the condition that the condensation point temperature is less than-10 ℃ and more than or equal to-13 ℃;
controlling the starting power of the second heating device to be a third power under the condition that the condensation point temperature is less than-13 ℃ and more than or equal to-15 ℃;
controlling the starting power of the second heating device to be fourth power under the condition that the condensation point temperature is lower than-15 ℃;
wherein the first power, the second power, the third power, and the fourth power are sequentially increased.
4. The defrost control method of an air conditioner according to claim 3, further comprising:
receiving a second input of the user for closing defrosting control of the air conditioner;
controlling turning off the second heating device in response to the second input.
5. A defrosting control apparatus of an air conditioner, comprising:
the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring the indoor environment temperature of a compartment in which an air conditioner internal unit is positioned and the condensation point temperature of the environment in which the air conditioner external unit is positioned under the condition of receiving a first input of a user for starting defrosting control on the air conditioner;
the determining module is used for determining the running rotating speed of a fan arranged on an air conditioner internal unit and the starting state of a first heating device according to the threshold range of the temperature difference value between the set temperature and the indoor environment temperature, and determining the starting power of a second heating device arranged on an air conditioner external unit according to the threshold range of the condensation point temperature;
the first control module is used for controlling the air conditioner to operate in a refrigeration mode, controlling a fan of the air conditioner indoor unit and the first heating device according to the operation rotating speed and the starting state of the first heating device, and controlling the second heating device according to the starting power.
6. The defrosting control device of an air conditioner according to claim 5, further comprising:
the receiving module is used for receiving a second input of the user for closing the defrosting control of the air conditioner;
and the second control module is used for responding to the second input and controlling to close the second heating device.
7. An air conditioner comprising: the air conditioner comprises a controller, an air conditioner internal unit and an air conditioner external unit, wherein the air conditioner internal unit is connected with the air conditioner external unit through a refrigerant pipeline,
further comprising: the temperature sensor, the first heating device and the second heating device;
the temperature sensor is arranged at an air inlet of the air conditioner internal unit, and the first heating device is arranged in the air conditioner internal unit; the second heating device is arranged on the air conditioner external unit;
the temperature sensor is in communication connection with the controller, and the controller is in communication connection with the first heating device and the second heating device respectively;
the controller stores a computer program which, when executed by the controller, implements the steps of the defrosting control method of the air conditioner according to any one of claims 1 to 4.
8. The air conditioner of claim 7, wherein the second heating device comprises an electrical heating strip comprising a plurality of heating segments, any two of the plurality of heating segments being connected in parallel.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the defrost control method of the air conditioner according to any of claims 1 to 4 when executing the program.
10. A non-transitory computer readable storage medium having a computer program stored thereon, wherein the computer program when executed by a processor implements the steps of the defrost control method of the air conditioner according to any one of claims 1 to 4.
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Application publication date: 20211022 |