CN111503839A - Power control method and device of air conditioner, storage medium and air conditioner - Google Patents
Power control method and device of air conditioner, storage medium and air conditioner Download PDFInfo
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- CN111503839A CN111503839A CN202010240420.2A CN202010240420A CN111503839A CN 111503839 A CN111503839 A CN 111503839A CN 202010240420 A CN202010240420 A CN 202010240420A CN 111503839 A CN111503839 A CN 111503839A
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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
- 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
- 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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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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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- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a power control method and device of an air conditioner, a storage medium and the air conditioner, comprising: acquiring the power supply voltage of the air conditioner according to a preset time period; comparing the power supply voltage with at least one preset group of voltage limit values, and judging whether the power supply voltage exceeds the voltage range of each group of voltage limit values; when the power supply voltage exceeds the voltage range of any group of voltage limit values, reducing the power of the air conditioner according to a preset regulation rule; each group of voltage limit values comprises a low voltage limit value and a high voltage limit value, and each group of voltage limit values corresponds to an adjustment rule of the power of a group of air conditioners. By adopting the technical scheme of the invention, the power of the air conditioner can be controlled in real time according to the power supply voltage of the air conditioner, the power capacity utilization rate is improved, and the user experience is improved.
Description
Technical Field
The present invention relates to the field of air conditioners, and in particular, to a power control method and apparatus for an air conditioner, a computer readable storage medium, and an air conditioner.
Background
Residents living in some areas with poor power grid conditions, teams working deeply into remote areas for construction/investigation or donkeys traveling in field for long distance may carry an air conditioner on a vehicle, and the air conditioner supplies power to work through a fuel generator or a battery pack and an inverter.
In order to ensure the continuous operation of the air conditioner, various schemes can ensure that the operation power of the air conditioner is smaller than the maximum output power of the power supply, but in such schemes, the operation power of the air conditioner may be greatly smaller than the maximum output power of the power supply, so that the utilization rate of the power capacity of the power supply is low, and the refrigeration/heating function of the air conditioner does not exert due level, thereby seriously affecting the user experience.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a method and an apparatus for controlling power of an air conditioner, a computer-readable storage medium, and an air conditioner, which can control power of the air conditioner in real time according to a supply voltage of the air conditioner, improve a power capacity utilization rate, and improve user experience.
In order to solve the above technical problem, an embodiment of the present invention provides a power control method for an air conditioner, including:
acquiring the power supply voltage of the air conditioner according to a preset time period;
comparing the power supply voltage with at least one preset group of voltage limit values, and judging whether the power supply voltage exceeds the voltage range of each group of voltage limit values;
when the power supply voltage exceeds the voltage range of any group of voltage limit values, reducing the power of the air conditioner according to a preset regulation rule;
each group of voltage limit values comprises a low voltage limit value and a high voltage limit value, and each group of voltage limit values corresponds to an adjustment rule of the power of a group of air conditioners.
Furthermore, each group of voltage limit values is a group of voltage limit value curves which have the same phase as a power supply voltage curve of the air conditioner and different amplitudes, and each group of voltage limit value curves comprises a low-voltage limit value curve and a high-voltage limit value curve; the amplitude of the low-voltage limit curve is smaller than that of the power supply voltage curve, and the amplitude of the high-voltage limit curve is larger than that of the power supply voltage curve.
Further, when the power supply voltage exceeds the voltage range of any group of voltage limit values, the method for reducing the power of the air conditioner according to a preset regulation rule specifically includes:
when the supply voltage V satisfies V<ViLOr V>ViHWhen the air conditioner is started, the power of the air conditioner is reduced according to a preset ith group of regulation rules; wherein, ViLLow voltage limit value, V, of the ith group voltage limit valueiHHigh voltage limit value, i, of the ith group voltage limit value>0。
Further, the adjustment rule includes at least one of the following rules:
reducing the frequency of a compressor of the air conditioner according to a preset adjusting amplitude or adjusting speed;
reducing the rotating speed of a fan of the air conditioner according to a preset adjusting range or adjusting speed;
increasing the opening of an electronic expansion valve of the air conditioner according to the preset adjusting amplitude or adjusting speed;
wherein each set of voltage limit corresponds to a set of adjustment range or adjustment speed.
Further, after the reducing the power of the air conditioner according to the preset regulation rule, the method further comprises:
when the air conditioner stably operates for a first preset time, acquiring current operating state parameters and current environment parameters of the air conditioner; the current operation state parameters at least comprise the current compressor frequency of the air conditioner, the rotating speed of a fan, the opening of an electronic expansion valve and the measured value of a temperature sensor;
judging whether the current operation state of the air conditioner meets the set requirement of a user or not according to the current operation state parameter and the current environment parameter;
when the user setting requirement is not met, the refrigerating/heating function of the air conditioner is improved according to the user setting requirement;
and when the set requirement of the user is exceeded, reducing the cooling/heating function of the air conditioner according to the set requirement of the user.
In order to solve the above technical problem, an embodiment of the present invention further provides a power control device for an air conditioner, including:
the power supply voltage detection module is used for acquiring the power supply voltage of the air conditioner according to a preset time period;
the power supply voltage comparison module is used for comparing the power supply voltage with at least one preset group of voltage limit values and judging whether the power supply voltage exceeds the voltage range of each group of voltage limit values;
the power adjusting module is used for reducing the power of the air conditioner according to a preset adjusting rule when the power supply voltage exceeds the voltage range of any group of voltage limit values;
each group of voltage limit values comprises a low voltage limit value and a high voltage limit value, and each group of voltage limit values corresponds to an adjustment rule of the power of a group of air conditioners.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program; wherein the computer program, when running, controls an apparatus in which the computer-readable storage medium is located to perform any one of the above-described power control methods of the air conditioner.
An embodiment of the present invention further provides an air conditioner, which includes an air conditioner body, a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, where the processor implements the power control method of the air conditioner described in any one of the above when executing the computer program.
Compared with the prior art, the embodiment of the invention provides a power control method and device of an air conditioner, a computer readable storage medium and the air conditioner, wherein the power control method and device of the air conditioner acquire the power supply voltage of the air conditioner according to a preset time period; comparing the power supply voltage with at least one preset group of voltage limit values, and judging whether the power supply voltage exceeds the voltage range of each group of voltage limit values; when the power supply voltage exceeds the voltage range of any group of voltage limit values, reducing the power of the air conditioner according to a preset regulation rule; the power of the air conditioner can be controlled in real time according to the power supply voltage of the air conditioner, and the power requirement of the air conditioner is adjusted in a self-adaptive mode, so that the power capacity utilization rate is improved, and the user experience is improved.
Drawings
Fig. 1 is a flowchart of a power control method of an air conditioner according to a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of a voltage limit curve of a power control method for an air conditioner according to the present invention;
fig. 3 is a block diagram illustrating a power control apparatus of an air conditioner according to a preferred embodiment of the present invention;
fig. 4 is a block diagram of an air conditioner according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
An embodiment of the present invention provides a power control method for an air conditioner, which is a flowchart of a preferred embodiment of the power control method for the air conditioner provided by the present invention, as shown in fig. 1, and the method includes steps S11 to S13:
step S11, acquiring the power supply voltage of the air conditioner according to a preset time period;
step S12, comparing the power supply voltage with at least one preset group of voltage limit values, and judging whether the power supply voltage exceeds the voltage range of each group of voltage limit values;
step S13, when the power supply voltage exceeds the voltage range of any group of voltage limit values, reducing the power of the air conditioner according to a preset regulation rule;
each group of voltage limit values comprises a low voltage limit value and a high voltage limit value, and each group of voltage limit values corresponds to an adjustment rule of the power of a group of air conditioners.
Specifically, at least one group of voltage limit values are preset and stored in the air conditioner, each group of voltage limit values comprises a low voltage limit value and a high voltage limit value, each group of voltage limit values corresponds to a group of adjustment rules for controlling the power of the air conditioner, when the air conditioner is in operation, the power supply voltage of the air conditioner is monitored in real time, the current power supply voltage of the air conditioner is detected and obtained every preset time period (the time period can be set according to actual requirements), the detected power supply voltage of the air conditioner is compared with at least one group of voltage limit values, whether the power supply voltage exceeds the voltage range limited by the low voltage limit value and the high voltage limit value of each group of voltage limit value is judged, and when the power supply voltage is judged to exceed the voltage range limited by the low voltage limit value and the high voltage limit value of any group of voltage limit values (namely, the power supply voltage is lower than the corresponding low voltage limit value or higher than the corresponding high voltage, and reducing the power of the air conditioner according to a preset adjusting rule corresponding to the group of voltage limit values, and correspondingly, when the power supply voltage is judged not to exceed the voltage range limited by the low voltage limit value and the high voltage limit value of each group of voltage limit values, not adjusting the power of the air conditioner.
It should be noted that the power supply voltage may exceed multiple sets of voltage limits at the same time, and the power of the air conditioner may be reduced according to the adjustment rule corresponding to the lowest low voltage limit that is lower than the power supply voltage or the highest high voltage limit that is higher than the power supply voltage.
Preferably, the power supply voltage may be a single measurement value, an average value of multiple measurement values, or a voltage value after further filtering after detection, and the low-voltage limit and the high-voltage limit may be set power supply voltage values or voltage limits set according to a percentage of a normal voltage of the power supply, which is not limited in the embodiment of the present invention.
The embodiment of the invention provides a power control method of an air conditioner, which comprises the steps of obtaining the power supply voltage of the air conditioner according to a preset time period; comparing the power supply voltage with at least one preset group of voltage limit values, and judging whether the power supply voltage exceeds the voltage range of each group of voltage limit values; when the power supply voltage exceeds the voltage range of any group of voltage limit values, reducing the power of the air conditioner according to a preset regulation rule; the power of the air conditioner can be controlled in real time according to the power supply voltage of the air conditioner, and the power requirement of the air conditioner is adjusted in a self-adaptive mode, so that the power capacity utilization rate is improved, and the user experience is improved.
Referring to fig. 2, which is a schematic view of a voltage limit curve of the power control method of an air conditioner provided by the present invention, in another preferred embodiment, each group of voltage limits is a group of voltage limit curves having the same phase as a power supply voltage curve of the air conditioner and different amplitudes, and each group of voltage limit curves includes a low voltage limit curve and a high voltage limit curve; the amplitude of the low-voltage limit curve is smaller than that of the power supply voltage curve, and the amplitude of the high-voltage limit curve is larger than that of the power supply voltage curve.
Specifically, in combination with the above embodiments, the power supply of the air conditioner is generally a sine wave alternating current, and accordingly, each group of voltage limit values is a group of voltage limit value curves having the same phase as the power supply voltage curve of the air conditioner and different amplitudes, the amplitude of the low-voltage limit value curve in each group of voltage limit value curves is smaller than the amplitude of the power supply voltage curve, and the amplitude of the high-voltage limit value curve in each group of voltage limit value curves is larger than the amplitude of the power supply voltage curve.
As shown in FIG. 2, the supply voltage curve in FIG. 2 is a sinusoidal wave, represented by a solid line, and FIG. 2 lists two sets of voltage limit curves, represented by dashed lines, where V1LAnd V1HRepresenting a first set of voltage limit curves, V1LRepresenting a lower limit curve of the first set of voltage limit curves, having a magnitude smaller than the supply voltage curve, V1HRepresenting a high voltage limit curve of the first set of voltage limit curves having a magnitude greater than the supply voltage curve; v2LAnd V2HRepresenting a second set of voltage limit curves, V2LRepresenting a lower limit curve of the second set of voltage limit curves, having a magnitude smaller than the supply voltage curve, V2HRepresenting a high voltage limit curve of the second set of voltage limit curves having a magnitude greater than the supply voltage curve.
In another preferred embodiment, when the power supply voltage exceeds a voltage range of any set of voltage limit values, the reducing the power of the air conditioner according to a preset regulation rule specifically includes:
when the supply voltage V satisfies V<ViLOr V>ViHWhen the air conditioner is started, the power of the air conditioner is reduced according to a preset ith group of regulation rules; wherein, ViLLow voltage limit value, V, of the ith group voltage limit valueiHHigh voltage limit value, i, of the ith group voltage limit value>0。
Specifically, in combination with the above embodiment, when it is determined that the supply voltage V of the air conditioner exceeds the low voltage limit V of the ith group of voltage limitsiLAnd a high pressure limit value ViHThe defined voltage range (i.e. the supply voltage is below the corresponding low limit value V)iLOr above the corresponding high pressure limit value ViH) And then, reducing the power of the air conditioner according to an ith group of regulation rules which are preset and correspond to the ith group of voltage limit values.
It will be appreciated that two sets of voltage limits are assumed, the first set of voltage limits comprising V1LAnd V1HThe second set of voltage limits includes V2LAnd V2HComparing the supply voltage V of the air conditioner with two sets of voltage limit values respectively, and when the supply voltage V satisfies V1L≤V≤V1HWhen the air conditioner is started, the power of the air conditioner is not adjusted; when the supply voltage V satisfies V2L≤V＜V1LOr V1H＜V≤V2HWhile, the null is reduced according to a first set of preset adjustment rules corresponding to a first set of voltage limitsThe power of the regulator; when the supply voltage V satisfies V < V2LOr V > V2HAnd then, reducing the power of the air conditioner according to a preset second group of adjusting rules corresponding to the second group of voltage limit values.
In a further preferred embodiment, the adjustment rule comprises at least one of the following rules:
reducing the frequency of a compressor of the air conditioner according to a preset adjusting amplitude or adjusting speed;
reducing the rotating speed of a fan of the air conditioner according to a preset adjusting range or adjusting speed;
increasing the opening of an electronic expansion valve of the air conditioner according to the preset adjusting amplitude or adjusting speed;
wherein each set of voltage limit corresponds to a set of adjustment range or adjustment speed.
Specifically, in combination with the above embodiments, the power of the air conditioner can be adjusted by the frequency of the compressor, the rotation speed of the fan, the opening of the electronic expansion valve, and the like, and different adjustment rules respectively correspond to different adjustment ranges or adjustment speeds, for example, when the supply voltage V satisfies V2L≤V＜V1LOr V1H＜V≤V2HWhen the power supply voltage V satisfies V < V, at least one of △ f1 frequency reduction, △ n1 speed reduction and △ s1 opening increase can be selected to reduce the power of the air conditioner2LOr V > V2HAt least one of the modes of reducing the frequency of the compressor △ f2, reducing the rotating speed of the fan △ n2 and increasing the opening degree of the electronic expansion valve △ s2 can be selected to reduce the power of the air conditioner.
In still another preferred embodiment, after the reducing the power of the air conditioner according to the preset adjustment rule, the method further includes:
when the air conditioner stably operates for a first preset time, acquiring current operating state parameters and current environment parameters of the air conditioner; the current operation state parameters at least comprise the current compressor frequency of the air conditioner, the rotating speed of a fan, the opening of an electronic expansion valve and the measured value of a temperature sensor;
judging whether the current operation state of the air conditioner meets the set requirement of a user or not according to the current operation state parameter and the current environment parameter;
when the user setting requirement is not met, the refrigerating/heating function of the air conditioner is improved according to the user setting requirement;
and when the set requirement of the user is exceeded, reducing the cooling/heating function of the air conditioner according to the set requirement of the user.
Specifically, with reference to the foregoing embodiment, after the power of the air conditioner is reduced according to the preset adjustment rule, the air conditioner operates stably (the stable operation refers to that the compressor frequency, the fan rotation speed, the electronic expansion valve opening degree, and the like of the air conditioner are not adjusted by a relatively large margin) for a first preset time, and whether to adjust the cooling/heating functions of the air conditioner can be determined according to the actual situation, the current compressor frequency, the fan rotation speed, the electronic expansion valve opening degree, the measurement value of the temperature sensor, and the current environmental parameter (for example, the environmental temperature) of the air conditioner are obtained first, then whether the current operating state of the air conditioner meets the user setting requirement is determined according to the user setting requirement received by the air conditioner, the obtained current operating state parameter of the air conditioner, and the current environmental parameter, and when it is determined that the user setting requirement is not, the cooling/heating function of the air conditioner can be improved according to the set requirement of a user, when the condition that the cooling/heating function exceeds the set requirement of the user is judged, the cooling/heating function of the air conditioner can be reduced according to the set requirement of the user, and in the process of adjusting the cooling/heating function of the air conditioner, the power of the air conditioner is correspondingly changed, and then the power control method of the air conditioner in the embodiment needs to be executed to correspondingly adjust the power of the air conditioner; it can be understood that when the user setting requirement is judged to be satisfied, the current operation state of the air conditioner is maintained without adjustment.
For example, a user sets a cooling temperature to 26 ℃, whether the current operating state of the air conditioner meets the user-set requirement is judged according to the current compressor frequency, the fan rotating speed, the opening degree of the electronic expansion valve, the measured value of the temperature sensor and the current environmental parameters of the air conditioner, when the user-set requirement is judged not to be met (namely, the cooling temperature is higher than 26 ℃), the cooling/heating function of the air conditioner is improved by taking the cooling temperature set by the user as a target temperature, when the user-set requirement is judged to be exceeded (namely, the cooling temperature is lower than 26 ℃), the cooling/heating function of the air conditioner is reduced by taking the cooling temperature set by the user as the target temperature, and when the user-set requirement is judged to be met (namely, the cooling temperature is equal to 26 ℃), the current operating state.
Embodiments of the present invention further provide a power control device for an air conditioner, which can implement all the processes of the power control method for an air conditioner described in any of the above embodiments, and the functions and technical effects of each module and unit in the device are respectively the same as those of the power control method for an air conditioner described in the above embodiments, and are not described herein again.
Referring to fig. 3, which is a block diagram illustrating a power control apparatus of an air conditioner according to a preferred embodiment of the present invention, the apparatus includes:
the power supply voltage detection module 11 is used for acquiring the power supply voltage of the air conditioner according to a preset time period;
a power supply voltage comparison module 12, configured to compare the power supply voltage with at least one preset group of voltage limit values, and determine whether the power supply voltage exceeds a voltage range of each group of voltage limit values;
the power adjusting module 13 is configured to reduce the power of the air conditioner according to a preset adjusting rule when the power supply voltage exceeds a voltage range of any one group of voltage limit values;
each group of voltage limit values comprises a low voltage limit value and a high voltage limit value, and each group of voltage limit values corresponds to an adjustment rule of the power of a group of air conditioners.
Preferably, each group of voltage limit values is a group of voltage limit value curves which have the same phase as a power supply voltage curve of the air conditioner and different amplitudes, and each group of voltage limit value curves comprises a low-voltage limit value curve and a high-voltage limit value curve; the amplitude of the low-voltage limit curve is smaller than that of the power supply voltage curve, and the amplitude of the high-voltage limit curve is larger than that of the power supply voltage curve.
Preferably, the power adjusting module 13 specifically includes:
a power adjusting unit for adjusting the power supply voltage V when it satisfies V<ViLOr V>ViHWhen the air conditioner is started, the power of the air conditioner is reduced according to a preset ith group of regulation rules; wherein, ViLLow voltage limit value, V, of the ith group voltage limit valueiHHigh voltage limit value, i, of the ith group voltage limit value>0。
Preferably, the adjustment rule includes at least one of the following rules:
reducing the frequency of a compressor of the air conditioner according to a preset adjusting amplitude or adjusting speed;
reducing the rotating speed of a fan of the air conditioner according to a preset adjusting range or adjusting speed;
increasing the opening of an electronic expansion valve of the air conditioner according to the preset adjusting amplitude or adjusting speed;
wherein each set of voltage limit corresponds to a set of adjustment range or adjustment speed.
Preferably, the apparatus further comprises:
the state parameter acquisition module is used for acquiring the current operation state parameter and the current environment parameter of the air conditioner when the air conditioner stably operates for a first preset time; the current operation state parameters at least comprise the current compressor frequency of the air conditioner, the rotating speed of a fan, the opening of an electronic expansion valve and the measured value of a temperature sensor;
the operation state judgment module is used for judging whether the current operation state of the air conditioner meets the requirement set by a user or not according to the current operation state parameter and the current environment parameter;
the refrigeration/heating lifting module is used for lifting the refrigeration/heating function of the air conditioner according to the user setting requirement when the user setting requirement is not met;
and the cooling/heating reduction module is used for reducing the cooling/heating function of the air conditioner according to the set requirement of the user when the set requirement of the user is exceeded.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program; wherein the computer program, when running, controls the device on which the computer readable storage medium is located to execute the power control method of the air conditioner according to any of the above embodiments.
An embodiment of the present invention further provides an air conditioner, which is shown in fig. 4 and is a block diagram of a preferred embodiment of the air conditioner provided by the present invention, the air conditioner includes an air conditioner body 00, a processor 10, a memory 20, and a computer program stored in the memory 20 and configured to be executed by the processor 10, and the processor 10 implements the power control method of the air conditioner according to any of the above embodiments when executing the computer program.
Preferably, the computer program can be divided into one or more modules/units (e.g. computer program 1, computer program 2,) which are stored in the memory 20 and executed by the processor 10 to accomplish the present invention. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program in the air conditioner.
The Processor 10 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, etc., the general purpose Processor may be a microprocessor, or the Processor 10 may be any conventional Processor, the Processor 10 is a control center of the air conditioner, and various interfaces and lines are used to connect various parts of the air conditioner.
The memory 20 mainly includes a program storage area that may store an operating system, an application program required for at least one function, and the like, and a data storage area that may store related data and the like. In addition, the memory 20 may be a high speed random access memory, may also be a non-volatile memory, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash Card (Flash Card), and the like, or the memory 20 may also be other volatile solid state memory devices.
It should be noted that the air conditioner may include, but is not limited to, a processor and a memory, and those skilled in the art will understand that the structural block diagram of fig. 4 is only an example of the air conditioner, and does not constitute a limitation of the air conditioner, and may include more or less components than those shown, or combine some components, or different components.
To sum up, the power control method and device of the air conditioner, the computer readable storage medium and the air conditioner provided by the embodiment of the invention obtain the power supply voltage of the air conditioner according to the preset time period; comparing the power supply voltage with at least one preset group of voltage limit values, and judging whether the power supply voltage exceeds the voltage range of each group of voltage limit values; when the power supply voltage exceeds the voltage range of any group of voltage limit values, reducing the power of the air conditioner according to a preset regulation rule; the power of the air conditioner can be controlled in real time according to the power supply voltage of the air conditioner, and the power requirement of the air conditioner is adjusted in a self-adaptive mode, so that the power capacity utilization rate is improved, and the user experience is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A power control method of an air conditioner is characterized by comprising the following steps:
acquiring the power supply voltage of the air conditioner according to a preset time period;
comparing the power supply voltage with at least one preset group of voltage limit values, and judging whether the power supply voltage exceeds the voltage range of each group of voltage limit values;
when the power supply voltage exceeds the voltage range of any group of voltage limit values, reducing the power of the air conditioner according to a preset regulation rule;
each group of voltage limit values comprises a low voltage limit value and a high voltage limit value, and each group of voltage limit values corresponds to an adjustment rule of the power of a group of air conditioners.
2. The power control method of an air conditioner according to claim 1, wherein each set of voltage limit values is a set of voltage limit value curves having the same phase and different amplitudes as a supply voltage curve of the air conditioner, and each set of voltage limit value curves includes a low voltage limit value curve and a high voltage limit value curve; the amplitude of the low-voltage limit curve is smaller than that of the power supply voltage curve, and the amplitude of the high-voltage limit curve is larger than that of the power supply voltage curve.
3. The method for controlling power of an air conditioner according to claim 1, wherein when the supply voltage exceeds a voltage range of any set of voltage limits, the method for controlling power of an air conditioner according to a preset regulation rule comprises:
when the supply voltage V satisfies V<ViLOr V>ViHWhen the air conditioner is started, the power of the air conditioner is reduced according to a preset ith group of regulation rules; wherein, ViLLow voltage limit value, V, of the ith group voltage limit valueiHHigh voltage limit value, i, of the ith group voltage limit value>0。
4. The power control method of an air conditioner according to claim 1, wherein the adjustment rule includes at least one of the following rules:
reducing the frequency of a compressor of the air conditioner according to a preset adjusting amplitude or adjusting speed;
reducing the rotating speed of a fan of the air conditioner according to a preset adjusting range or adjusting speed;
increasing the opening of an electronic expansion valve of the air conditioner according to the preset adjusting amplitude or adjusting speed;
wherein each set of voltage limit corresponds to a set of adjustment range or adjustment speed.
5. The power control method of an air conditioner according to any one of claims 1 to 4, wherein after the reducing of the power of the air conditioner according to a preset regulation rule, the method further comprises:
when the air conditioner stably operates for a first preset time, acquiring current operating state parameters and current environment parameters of the air conditioner; the current operation state parameters at least comprise the current compressor frequency of the air conditioner, the rotating speed of a fan, the opening of an electronic expansion valve and the measured value of a temperature sensor;
judging whether the current operation state of the air conditioner meets the set requirement of a user or not according to the current operation state parameter and the current environment parameter;
when the user setting requirement is not met, the refrigerating/heating function of the air conditioner is improved according to the user setting requirement;
and when the set requirement of the user is exceeded, reducing the cooling/heating function of the air conditioner according to the set requirement of the user.
6. A power control apparatus of an air conditioner, comprising:
the power supply voltage detection module is used for acquiring the power supply voltage of the air conditioner according to a preset time period;
the power supply voltage comparison module is used for comparing the power supply voltage with at least one preset group of voltage limit values and judging whether the power supply voltage exceeds the voltage range of each group of voltage limit values;
the power adjusting module is used for reducing the power of the air conditioner according to a preset adjusting rule when the power supply voltage exceeds the voltage range of any group of voltage limit values;
each group of voltage limit values comprises a low voltage limit value and a high voltage limit value, and each group of voltage limit values corresponds to an adjustment rule of the power of a group of air conditioners.
7. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored computer program; wherein the computer program, when executed, controls an apparatus in which the computer-readable storage medium is located to perform the power control method of the air conditioner according to any one of claims 1 to 5.
8. An air conditioner, comprising an air conditioner body, a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor implements the power control method of the air conditioner according to any one of claims 1 to 5 when executing the computer program.
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