CN113983651A - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN113983651A CN113983651A CN202111393496.XA CN202111393496A CN113983651A CN 113983651 A CN113983651 A CN 113983651A CN 202111393496 A CN202111393496 A CN 202111393496A CN 113983651 A CN113983651 A CN 113983651A
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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
- F24F11/46—Improving electric energy efficiency or saving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
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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
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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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
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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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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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
Abstract
The invention discloses an air conditioner and a control method thereof.The control method comprises the following steps: s10, controlling the operation of the air conditioner; s20, judging whether the air conditioner simultaneously meets a first energy efficiency test condition and a second energy efficiency test condition, wherein the first energy efficiency test condition comprises that the air conditioner is in a preset mode, the set temperature of the air conditioner is the target energy efficiency test temperature, the wind speed of the air conditioner is in a high wind mode, and the second energy efficiency test condition comprises the current indoor environment temperature Tin1Preset value T corresponding to indoor environment temperaturein1setSatisfy | Tin1–Tin1set|≤Tin0And the current outdoor ambient temperature Tout1Preset value T of outdoor environment temperatureout1setSatisfy | Tout1–Tout1set|≤Tout0Wherein, Tin0For tolerance of return difference of indoor ambient temperature, Tout0Fault-tolerant return difference of outdoor environment temperature; and S30, controlling the air conditioner to enter an energy efficiency test state when the air conditioner simultaneously meets the first energy efficiency test condition and the second energy efficiency test condition. The control method is trouble-saving and labor-saving, and improves the efficiency of the energy efficiency test experiment of the air conditioner.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner and a control method thereof.
Background
In the related art, a manual control mode is usually adopted, for example, a button on a panel of an air conditioner, a button on a remote controller, and the like are manually operated, so that the air conditioner enters an energy efficiency test operation state. In the energy efficiency test operation state, the air conditioner is operated under a specific energy efficiency test condition, for example, the air conditioner is operated at a set target temperature, a compressor of the air conditioner is operated at a set target frequency, and a fan of the air conditioner is operated at a set target wind speed, so as to test whether the air conditioner can achieve a desired energy efficiency under the energy efficiency test condition. Once the energy efficiency test working condition is replaced, manual operation needs to be carried out again so that the air conditioner can enter a new energy efficiency test running state again. Therefore, the manual control mode is time-consuming and labor-consuming. Therefore, the air conditioner enters an energy efficiency test operation state by adopting a manual control mode, so that the efficiency of an energy efficiency test experiment is low.
In addition, a new standard is provided for the energy efficiency test of the air conditioner in some regions, such as north america, and the air conditioner is required to automatically enter an energy efficiency test experiment in a normal free running mode, so that the existing method of only depending on manual control cannot meet the requirement of the new energy efficiency test standard.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, one objective of the present invention is to provide a control method for an air conditioner, which can automatically enter an energy efficiency test state, save time and labor, improve the efficiency of an energy efficiency test experiment of the air conditioner, and meet the requirements of some areas for new standards requiring the air conditioner to automatically enter the energy efficiency test state.
Another object of the present invention is to provide an air conditioner.
A control method of an air conditioner according to an embodiment of a first aspect of the present invention includes the steps of:
s10, controlling the operation of the air conditioner;
s20, judging whether the air conditioner simultaneously meets a first energy efficiency test condition and a second energy efficiency test condition, wherein,
the first energy efficiency test condition includes: the air conditioner is in a preset mode, the set temperature of the air conditioner is the target energy efficiency test temperature, the wind speed of the air conditioner is in a high wind mode,
the second energy efficiency test condition includes: current indoor ambient temperature Tin1Preset value T corresponding to indoor environment temperaturein1setSatisfies the following conditions: i Tin1–Tin1set|≤Tin0And the current outdoor ambient temperature Tout1Preset value T of outdoor environment temperatureout1setSatisfies the following conditions: i Tout1–Tout1set|≤Tout0Wherein, the T isin0For tolerance of return difference of indoor ambient temperature, Tout0Fault-tolerant return difference of outdoor environment temperature;
and S30, when the air conditioner meets the first energy efficiency test condition and the second energy efficiency test condition, controlling the air conditioner to enter an energy efficiency test state.
Therefore, according to the control method of the air conditioner in the embodiment of the present invention, by determining whether the air conditioner satisfies the first energy efficiency test condition and the second energy efficiency test condition at the same time, the first energy efficiency test condition is set to include that the air conditioner is in the preset mode, the set temperature of the air conditioner is the target energy efficiency test temperature, and the wind speed of the air conditioner is in the high wind mode, and the second energy efficiency test condition is set to include the current indoor environment temperature Tin1Preset value T corresponding to indoor environment temperaturein1setSatisfy | Tin1–Tin1set|≤Tin0And the current outdoor ambient temperature Tout1Preset value T of outdoor environment temperatureout1setSatisfy | Tout1–Tout1set|≤Tout0And when the air conditioner meets the first energy efficiency test condition and the second energy efficiency test condition, the air conditioner is controlled to enter an energy efficiency test state, on one hand, compared with a manual control mode, the air conditioner can be automatically controlled to enter the energy efficiency test state, tedious manual operation of a user is not needed, time and labor are saved, the efficiency of an energy efficiency test experiment of the air conditioner is improved, on the other hand, the air conditioner meets the requirement of a new standard which is provided by some regions and needs to automatically enter an energy efficiency test operation state, the range of the use region of the air conditioner is expanded, and normal use experience of the user is not influenced.
According to some embodiments of the invention, in step S20, the preset mode is a cooling mode or a heating mode.
According to some embodiments of the invention, before step S30, the control method further comprises:
s21, judging whether the air conditioner meets a third energy efficiency test condition or not, wherein,
the third energy efficiency test condition includes: when the air conditioner meets the second energy efficiency test condition, starting a continuous operation time period t for a compressor of the air conditionercompTimed and operated for said period of continuous operation tcompGreater than or equal to the preset time period tset1Then, the current indoor ambient temperature T is obtainedin2And the current indoor ambient temperature Tin2Preset value T corresponding to indoor environment temperaturein1setSatisfies the following conditions: i Tin2–Tin1set|≤Tin0Current outdoor ambient temperature Tout2Preset value T of outdoor environment temperatureout1setSatisfies the following conditions: i Tout2–Tout1set|≤Tout0And | Tin2–Tin1|≤TthreWherein T isthreIs a temperature difference threshold;
s30 specifically includes: and when the air conditioner simultaneously meets the first energy efficiency test condition, the second energy efficiency test condition and the third energy efficiency test condition, controlling the air conditioner to enter the energy efficiency test state.
According to some embodiments of the invention, the TthreAnd tset1Respectively satisfy: t isthre＝2℃，t set130 minutes.
According to some embodiments of the invention, before step S20, the control method further comprises:
s12, judging whether the air conditioner meets a fourth energy efficiency test condition or not, wherein,
the fourth energy efficiency test condition includes: the frequency Count of entering the energy efficiency test state after the air conditioner is powered on is less than the preset frequency Countset；
S30 specifically includes: and when the air conditioner simultaneously meets the first energy efficiency test condition, the second energy efficiency test condition, the third energy efficiency test condition and the fourth energy efficiency test condition, controlling the air conditioner to enter the energy efficiency test state.
According to some embodiments of the invention, the preset number is a positive integer N, wherein N is greater than or equal to 4 and less than or equal to 6.
According to some embodiments of the invention, the control method further comprises:
s40, when the air conditioner exits the energy efficiency test state, the Tin1、The T isin2The t iscompAre all cleared.
According to some embodiments of the invention, after step S10, the control method further comprises:
s11, after the compressor of the air conditioner continuously operates for a preset time period, executing the step S12.
According to some embodiments of the invention, after step S30, the control method further comprises:
if any one of the following conditions is met, controlling the air conditioner to exit the energy efficiency test state:
the operation mode of the air conditioner is changed;
a wind speed mode of the air conditioner is changed;
the set temperature of the air conditioner is changed;
the air conditioner is powered off;
for the time period t of continuous operation of the air conditioner in the energy efficiency test statetestStarting timing, wherein ttest＞trunSaid t isrunAnd presetting operation time for the energy efficiency test.
According to some embodiments of the invention, after step S10, the control method further comprises:
and S13, when the air conditioner receives a remote control frequency locking instruction, controlling the air conditioner to enter the energy efficiency test state.
According to the air conditioner of the second aspect of the present invention, the control method of the air conditioner according to the above-described first aspect of the present invention is adopted.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic flowchart of a control method of an air conditioner according to an embodiment of the present invention.
Fig. 2 is another schematic flowchart of a control method of an air conditioner according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
A control method of an air conditioner according to an embodiment of a first aspect of the present invention is described below with reference to fig. 1 to 2. The control method of the air conditioner can be applied to the inverter air conditioner, but is not limited to the inverter air conditioner.
Specifically, the control method of the air conditioner according to the embodiment of the present invention, as shown in fig. 1 and 2, includes the steps of:
s10, controlling the operation of the air conditioner;
s20, judging whether the air conditioner simultaneously meets a first energy efficiency test condition and a second energy efficiency test condition, wherein the first energy efficiency test condition comprises the following steps: the air conditioner is in a preset mode, the set temperature of the air conditioner is the target energy efficiency test temperature, the wind speed of the air conditioner is in a high wind mode,
the second energy efficiency test condition includes: current indoor ambient temperature Tin1Preset value T corresponding to indoor environment temperaturein1setSatisfy | Tin1–Tin1set|≤Tin0And the current outdoor ambient temperature Tout1Preset value T of outdoor environment temperatureout1setSatisfy | Tout1–Tout1set|≤Tout0Wherein, Tin0For tolerance of return difference of indoor ambient temperature, Tout0Fault-tolerant return difference of outdoor environment temperature;
and S30, controlling the air conditioner to enter an energy efficiency test state when the air conditioner simultaneously meets the first energy efficiency test condition and the second energy efficiency test condition.
Specifically, the air conditioner is turned on to control the operation of the air conditioner. In the operation process of the air conditioner, whether the air conditioner can enter an energy efficiency test state can be judged. The air conditioner can enter the energy efficiency test state only under the condition that certain conditions are met, otherwise, the air conditioner cannot enter the energy efficiency test state, and therefore the air conditioner cannot enter the energy efficiency test state by mistake when a user uses the air conditioner.
First, it is necessary to determine whether the air conditioner satisfies a first energy efficiency test condition. The first energy efficiency test condition comprises that the air conditioner is in a preset mode, the set temperature of the air conditioner is the target energy efficiency test temperature, and the wind speed of the air conditioner is in a high wind mode, and the three sub-conditions can be respectively called as a first sub-condition, a second sub-condition and a third sub-condition of the first energy efficiency test condition. Only when the air conditioner is judged to simultaneously satisfy the three sub-conditions, the air conditioner can be regarded as satisfying the first energy efficiency test condition.
The above-described three sub-conditions in the first energy efficiency test condition will now be described.
The preset mode refers to an operation mode in which the air conditioner should be in an energy efficiency test state. And if the current running mode of the air conditioner is the same as the preset mode, the air conditioner meets the first sub-condition.
The target energy efficiency test temperature is a set temperature at which the air conditioner should operate in an energy efficiency test state, and is available TtestAnd (4) showing. Generally, in order to test the energy efficiency of an air conditioner, one or more target energy efficiency test temperatures are set to test the energy efficiency of the air conditioner when the set temperature of the air conditioner is equal to one target energy efficiency test temperature. And when the current set temperature of the air conditioner is equal to a target efficiency test temperature, the air conditioner meets a second sub-condition.
In addition, if the current wind speed of the air conditioner is in the high wind mode, the air conditioner satisfies a third sub-condition.
In addition to determining whether the air conditioner satisfies the first energy efficiency test condition, it is also necessary to determine whether the air conditioner satisfies the second energy efficiency test condition. Specifically, when determining whether the air conditioner satisfies the second energy efficiency test condition, it is necessary to determine the current indoor ambient temperature T of the air conditionerin1Preset value T corresponding to indoor environment temperaturein1setWhether or not | T is satisfiedin1–Tin1set|≤Tin0And the current outdoor ambient temperature Tout1Preset value T of outdoor environment temperatureout1setWhether or not | T is satisfiedout1–Tout1set|≤Tout0。
Specifically, in the second energy efficiency test condition, Tin1Determining a current indoor ambient temperature, T, obtained when the air conditioner satisfies a first energy efficiency test conditionout1The current outdoor environment temperature is obtained when the air conditioner meets the first energy efficiency test condition. Alternatively, in the case where one or more target energy efficiency test temperatures are preset for the energy efficiency test state of the air conditioner, one or more indoor ambient temperature preset values may be set accordingly. Further optionally, in the case of presetting one or more target energy efficiency test temperatures, one or more outdoor rings may be set accordinglyAmbient temperature preset value. For convenience of description, use Tin1setRepresenting the preset value of the indoor environment temperature in the energy efficiency test state corresponding to the target energy efficiency test temperature in the first energy efficiency test condition by Tout1setAnd the preset value of the outdoor environment temperature in the energy efficiency test state corresponding to the target energy efficiency test temperature in the first energy efficiency test condition is represented. In addition, with Tin0Indicating fault tolerance return difference of indoor ambient temperature, i.e. allowed Tin1And Tin1setThe maximum temperature difference therebetween; by Tout0Indicating fault tolerance return difference of outdoor ambient temperature, i.e. allowed Tout1And Tout1setThe maximum temperature difference therebetween. When | Tin1–Tin1set|≤Tin0And | Tout1–Tout1set|≤Tout0And meanwhile, the air conditioner can meet the second entering energy efficiency test.
And when the air conditioner is determined to meet the first energy efficiency test condition and the second energy efficiency test condition, controlling the air conditioner to automatically enter a corresponding energy efficiency test state so as to carry out a corresponding energy efficiency test. Compared with the mode that the air conditioner is manually controlled (for example, manual operation is conducted on the air conditioner panel keys, the remote controller keys and the like), the process that the air conditioner is automatically controlled to enter the energy efficiency test state is achieved, tedious manual operation of a user is not needed, time and labor are saved, and efficiency of an energy efficiency test experiment of the air conditioner can be improved. In addition, the control method can enable the air conditioner to automatically enter the energy efficiency test state in the operation process, meets the requirements of new standards for requiring the air conditioner to automatically enter the energy efficiency test operation state in some areas, and does not influence the normal use experience of users.
Therefore, according to the control method of the air conditioner in the embodiment of the present invention, by determining whether the air conditioner satisfies the first energy efficiency test condition and the second energy efficiency test condition at the same time, the first energy efficiency test condition is set to include that the air conditioner is in the preset mode, the set temperature of the air conditioner is the target energy efficiency test temperature, and the wind speed of the air conditioner is in the high wind mode, and the second energy efficiency test condition is set to include the current indoor environment temperature Tin1Preset value T corresponding to indoor environment temperaturein1setSatisfy | Tin1–Tin1set|≤Tin0And the current outdoor ambient temperature Tout1Preset value T of outdoor environment temperatureout1setSatisfy | Tout1–Tout1set|≤Tout0And when the air conditioner meets the first energy efficiency test condition and the second energy efficiency test condition, the air conditioner is controlled to enter the energy efficiency test state, on one hand, compared with a manual control mode, the air conditioner can be automatically controlled to enter the energy efficiency test state, tedious manual operation of a user is not needed, time and labor are saved, the efficiency of an energy efficiency test experiment of the air conditioner is improved, on the other hand, the air conditioner meets the requirement of a certain area that the air conditioner needs to automatically enter a new standard of an energy efficiency test operation state, and the range of the use area of the air conditioner is expanded.
According to some embodiments of the present invention, in step S20, the preset mode is a cooling mode or a heating mode. During the use process of the air conditioner, the heating mode and the cooling mode are the modes most frequently used by a user, so that the energy efficiency of the air conditioner when the air conditioner is tested to operate in the heating mode or the cooling mode can fully represent the energy efficiency level of the air conditioner.
According to some embodiments of the present invention, as shown in fig. 2, before step S30, the control method may further include:
and S21, judging whether the air conditioner meets a third energy efficiency test condition.
In other words, when determining whether the air conditioner can enter the air conditioner energy efficiency test state, it is necessary to determine whether the air conditioner satisfies the third energy efficiency test condition in addition to the first energy efficiency test condition and the second energy efficiency test condition.
Referring to steps S211 to S215 in fig. 2, the third energy efficiency test condition includes: when the air conditioner meets the second energy efficiency test condition, starting a continuous operation period t for a compressor of the air conditionercompTimed and operated for a period of time tcompGreater than or equal to the preset time period tset1Then, the current indoor ambient temperature T is obtainedin2And the current indoor ambient temperature Tin2Preset value T corresponding to indoor environment temperaturein1setSatisfy | Tin2–Tin1set|≤Tin0Current outdoor ambient temperature Tout2Preset value T of outdoor environment temperatureout1setSatisfy | Tout2–Tout1set|≤Tout0And | Tin2–Tin1|≤TthreWherein T isthreIs the temperature difference threshold. Specifically, when the air conditioner is judged to meet the second energy efficiency test condition, in order to further ensure that the indoor environment temperature is relatively stable, the operation time t of the compressor of the air conditioner is setcompStart timing and when tcompReaching the preset time period tset1Then, the current indoor ambient temperature T is obtainedin2And the current outdoor ambient temperature Tout2. When | Tin2–Tin1set|≤Tin0And | Tout2–Tout1set|≤Tout0And | Tin2–Tin1|≤TthreIn time, the air conditioner may be considered to satisfy the third energy efficiency test condition. Set condition | Tin2–Tin1set|≤Tin0And | Tout2–Tout1set|≤Tout0The indoor environment temperature and the outdoor environment temperature under the third energy efficiency test condition can be ensured not to exceed the specified indoor environment temperature fault-tolerant return difference and outdoor environment temperature fault-tolerant return difference respectively. I Tin2–Tin1|≤TthreThe indoor environment temperature does not exceed the specified range, namely, the current indoor environment temperature when the third energy efficiency test condition is judged is not higher than the current indoor environment temperature when the second energy efficiency test condition is judged, and the temperature difference threshold T is not exceededthreThis indicates that the indoor ambient temperature has been relatively stable. Therefore, when the air conditioner simultaneously meets the first energy efficiency test condition, the second energy efficiency test condition and the third energy efficiency test condition, the air conditioner is controlled to enter an energy efficiency test state, so that the energy efficiency test can be carried out in a state that the indoor environment temperature is relatively stable, and the accuracy of the energy efficiency test is further ensured.
It should be noted that the sequence of step S213 to step S215 is not necessarily performed in the order shown in fig. 2.
Further, referring to fig. 2, as shown in the no path of the determination results from step S212 to step S215, when it is determined whether the air conditioner satisfies the third energy efficiency test condition, if it is determined that the air conditioner does not satisfy the third energy efficiency test condition, the control flow returns to continue to determine whether the air conditioner satisfies the condition for entering the energy efficiency test state from the beginning, where for tcompAnd continuing to count the time.
Alternatively, TthreAnd tset1Respectively satisfy: t isthre＝2℃，t set130 minutes. Will TthreThe indoor environment temperature when the third energy efficiency test condition is judged and the indoor environment temperature when the second energy efficiency test condition is judged are not obviously changed, so that the energy efficiency test state is ensured to enter under the condition that the indoor environment temperature is relatively stable to a certain extent. Will tset1The setting time is 30 minutes, the indoor environment temperature can be further ensured to be relatively stable, the condition that the air conditioner enters the energy efficiency test state too early under the condition that the indoor environment temperature is not relatively stable due to too short preset time is avoided, and meanwhile, the condition that the air conditioner cannot enter the energy efficiency test state in time due to too long preset time is avoided.
According to a further embodiment of the present invention, referring to fig. 2, before step S20, the control method may further include:
s12, judging whether the air conditioner meets a fourth energy efficiency test condition, wherein the fourth energy efficiency test condition comprises that the number of times Count of the air conditioner entering an energy efficiency test state after being electrified is less than a preset number of times Countset。
Specifically, before determining whether the air conditioner satisfies the first energy efficiency test condition and the second energy efficiency test condition, it is necessary to determine whether the air conditioner satisfies the fourth energy efficiency test condition, that is, the number of times Count that the air conditioner has entered the energy efficiency test state after being powered on needs to be compared with the preset number of times CountsetThe magnitude relationship of (1), wherein the predetermined number of times CountsetAnd the maximum value of the times of entering the energy efficiency test state after the air conditioner is powered on. If Count<CountsetAnd determining that the air conditioner meets the fourth energy efficiency test condition.
At this time, S30 may specifically include: and when the air conditioner simultaneously meets the first energy efficiency test condition, the second energy efficiency test condition, the third energy efficiency test condition and the fourth energy efficiency test condition, controlling the air conditioner to enter an energy efficiency test state. The number of times that the air conditioner enters the energy efficiency test state after being powered on is limited, the air conditioner can be prevented from entering the energy efficiency test state frequently, the air conditioner can be ensured to run in a normal free mode for more time, the air conditioner can be prevented from judging each energy efficiency test condition frequently, and the calculation power consumption of the air conditioner is reduced.
Optionally, the preset number CountsetIs a positive integer N, wherein N is more than or equal to 4 and less than or equal to 6. When N is set to be too small, the energy efficiency test of the air conditioner under each working condition may not be performed; when N is set too large, the air conditioner may frequently enter an energy efficiency test state and frequently judge each energy efficiency test condition, thereby increasing the calculation power consumption of the air conditioner. Therefore, by counting the preset number of timessetN is set to be not less than 4 and not more than 6, so that the air conditioner can be ensured to carry out energy efficiency test under each working condition, and the increase of the calculation power consumption of the air conditioner is avoided.
According to some embodiments of the invention, as shown in fig. 2, the control method may further include:
s40, when the air conditioner exits the energy efficiency test state, Tin1、Tin2、tcompAre all cleared.
Specifically, when the air conditioner exits the energy efficiency test state, T may be setin1、Tin2And tcompAll reset to reacquire T when judging whether the air conditioner can enter the energy efficiency test state next timein1、Tin2And tcomp. By the arrangement, the correct T can be used for judging whether the air conditioner can enter the energy efficiency test state or not every timein1、Tin2And tcompAnd judging to avoid judgment error.
According to some embodiments of the present invention, referring to fig. 2, after step S10, the control method may further include:
s11, after the compressor of the air conditioner continues to operate for a predetermined period of time, step S12 is performed.
Specifically, after the air conditioner is electrically operated, the operation of the compressor of the air conditioner is timed. Step S12 is executed after the compressor continues to operate for a predetermined period of time (i.e., it is determined whether the number of times the air conditioner has entered the energy efficiency test state after being powered on is less than a preset number of times). After the air conditioner is powered on, the compressor is continuously operated for a preset time period, so that the operation of various components of the air conditioner, such as the compressor, a fan and the like, can be ensured to reach a relatively stable state, and the indoor environment temperature reaches a relatively stable temperature. Therefore, after the compressor continues to operate for the predetermined period of time, step S12 is executed (i.e., whether the air conditioner can enter the energy efficiency test state is started), which can ensure that the first energy efficiency test condition, the second energy efficiency test condition and the third energy efficiency test condition are judged when the air conditioner is already operating under a relatively stable condition, and improve the judgment accuracy of the air conditioner.
Alternatively, the predetermined period of time may be 50 minutes to 70 minutes, such as 60 minutes, but is not limited thereto.
According to some embodiments of the present invention, as shown in fig. 2, after step S30, the control method may further include:
if any one of the following conditions is met, controlling the air conditioner to exit the energy efficiency test state:
the operation mode of the air conditioner is changed;
a wind speed mode of the air conditioner is changed;
the set temperature of the air conditioner is changed;
the air conditioner is powered off;
for the time period t of continuous operation of the air conditioner in the energy efficiency test statetestStarting timing, wherein ttest＞trun，trunAnd presetting operation time for the energy efficiency test.
As an example, the above conditions are explained one by one below with reference to steps S501 to S504 and S509 in fig. 2.
The operation mode change of the air conditioner includes, but is not limited to: the air conditioner is changed from a cooling mode to other modes such as a heating mode, a dehumidifying mode, etc.; the air conditioner is changed from a heating mode to other modes such as a cooling mode, a defrosting mode, etc. And controlling the air conditioner to exit the current energy efficiency test state as long as the air conditioner has the operation mode change.
The wind speed mode change of the air conditioner includes, but is not limited to: the wind speed mode of the air conditioner is changed from a high wind mode to a low wind or medium wind mode, etc. And controlling the air conditioner to exit the current energy efficiency test state as long as the air conditioner has a wind speed mode change, namely, the air conditioner is changed from a high wind mode to a non-high wind mode.
The set temperature change of the air conditioner includes a user adjusting a current set temperature of the air conditioner to another set temperature. And controlling the air conditioner to exit the current energy efficiency test state as long as the set temperature of the air conditioner is changed.
The air conditioner power failure includes a user turning off the air conditioner or an unexpected power failure of the air conditioner, etc. And controlling the air conditioner to exit the current energy efficiency test state as long as the air conditioner is powered off.
For the time period t of continuous operation of the air conditioner in the energy efficiency test statetestSetting a threshold trun，trunAnd presetting the operation time for the energy efficiency test, namely the longest operation time allowed by the air conditioner in the energy efficiency test state. When t istest＞trunWhen the energy efficiency test is finished, the air conditioner is controlled to exit the current energy efficiency test state; when t istest≤trunAnd when the energy efficiency test is finished, controlling the air conditioner to be kept in an energy efficiency test state. E.g. trunIt may be 8 hours to 16 hours, for example, 12 hours, but is not limited thereto.
Through the setting of the above conditions, on one hand, when the working condition of the air conditioner changes and the air conditioner is in the energy efficiency test state for a long time, the air conditioner can be guaranteed to accurately and timely quit the energy efficiency test running state under the corresponding working condition, manual operation is further reduced, and therefore the energy efficiency test efficiency is further improved.
Further, referring to steps S505 to S508 of fig. 2, the control method may further include: and controlling the air conditioner to exit the energy efficiency test state when the following conditions are met:
in the energy efficiency test state of the air conditioner, T is continuously measured and obtainedin2And Tout2And continuously judges Tin2And Tout2Whether or not to satisfy | T respectivelyin2–Tin1set|＞Tin0And | Tout2–Tout1set|＞Tout0(i.e., continuously judging whether the air conditioner does not meet the third energy efficiency test condition);
if judged to satisfy | Tin2–Tin1set|＞Tin0And | Tout2–Tout1set|＞Tout0(i.e., the air conditioner does not satisfy the third energy efficiency test condition), the time period t is startedtempTiming;
if at ttempReaching the maximum allowed preset time period tkeepThen, the judgment result is still Tin2And Tout2Satisfy respectively | Tin2–Tin1set|＞Tin0And | Tout2–Tout1set|＞Tout0Then the air conditioner is controlled to exit the energy efficiency test state and the T is testedtest、Tin2、Tout2And ttempAnd (6) clearing.
In contrast, at ttemp<tkeepWhen it is determined that T is the resultin2And Tout2Respectively do not satisfy | Tin2–Tin1set|＞Tin0And | Tout2–Tout1set|＞Tout0And controlling the air conditioner to be kept in the current energy efficiency test state.
Alternatively, tkeepIt can be set to 10 minutes. Of course, the present invention is not limited thereto, tkeepShorter or longer periods of time may also be provided, such as 8 minutes, 12 minutes, etc.
According to some embodiments of the invention, Tin1set＝26.7℃，Tout1set35 ℃. Users generally use the air conditioner to lower the indoor temperature in a cooling mode in summer when the temperature is high, for example, when the temperature reaches over 30 ℃. In order to ensure the comfort in the body, the user usually selects to control the indoor temperature to about 26 degrees. Thus, T isin1setSet to 26.7 ℃ and Tout1setSet to 35 deg.CThe energy efficiency test can be performed at an ambient temperature at which the air conditioner is often operated, which can more accurately determine whether the air conditioner can achieve the desired energy efficiency.
Of course, the present invention is not limited thereto. T isin1setAnd Tout1setOther values can be set independently of one another to satisfy energy efficiency tests under more operating conditions.
According to some embodiments of the present invention, referring to fig. 2, after step S10, the control method may further include:
and S13, when the air conditioner receives the remote frequency locking instruction, controlling the air conditioner to enter an energy efficiency test state.
Specifically, in addition to the above-mentioned manner of automatically controlling the air conditioner to enter the energy efficiency test state, the control method may further include a manual control manner. A user can manually operate a panel key, a remote control key and the like of the air conditioner under the condition that the energy efficiency test is needed, and a remote control frequency locking instruction is sent to the air conditioner to control the air conditioner to enter a corresponding energy efficiency test state according to the target energy efficiency test temperature indicated in the remote control frequency locking instruction.
The automatic control mode and the manual control mode are combined, so that manual control can be timely performed when a user needs to enter an energy efficiency test state of the air conditioner, and the user requirements can be flexibly met.
In the case where the air conditioner is controlled to enter the energy efficiency test state by the remote control frequency locking command, as shown in steps S14-S16 in fig. 2 and a result path thereof, when a working condition of the air conditioner changes, for example, when an operation mode of the air conditioner changes, when a wind speed mode of the air conditioner changes, when a set temperature of the air conditioner changes, when the air conditioner receives a frequency locking exiting command manually operated by a user, or when the air conditioner is powered on again after the complete air conditioner is powered off (not shown), the air conditioner is controlled to exit the energy efficiency test state. It should also be noted that the sequence of steps S14 through S16 is not necessarily performed in the order shown in fig. 2.
According to the air conditioner of the second aspect of the present invention, the control method according to the above-described first aspect of the present invention is adopted.
According to the air conditioner provided by the embodiment of the invention, by adopting the control method according to the embodiment of the first aspect of the invention, on one hand, compared with the air conditioner adopting a manual control mode, the air conditioner can automatically enter an energy efficiency test state, does not need complicated manual operation of a user, is time-saving and labor-saving, improves the efficiency of an energy efficiency test experiment of the air conditioner, and on the other hand, the air conditioner meets the requirement of a new standard which is provided by some regions and needs the air conditioner to automatically enter an energy efficiency test operation state, enlarges the range of the using region of the air conditioner, and does not influence the normal use experience of the user.
In the description of the present application, the indoor ambient temperature and the outdoor ambient temperature may be measured using an indoor temperature sensor and an outdoor temperature sensor, respectively.
The technical solution of the embodiment of the present invention may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable 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 embodiment of the present invention. And the aforementioned storage medium may be a non-transitory storage medium comprising: 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, and may also be a transient storage medium.
Although the terms "first," "second," etc. may be used herein to describe various elements as used in the present invention, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, unless the meaning of the description changes, so long as all occurrences of the "first element" are renamed consistently and all occurrences of the "second element" are renamed consistently. The first and second elements are both elements, but may not be the same element.
The words used in the specification are words of description rather than limitation, and are used in the specification and claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this disclosure is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The various aspects, implementations, or features of the described embodiments can be used alone or in any combination. Aspects of the described embodiments may be implemented by software, hardware, or a combination of software and hardware. The described embodiments may also be embodied by a computer-readable medium having computer-readable code stored thereon, the computer-readable code comprising instructions executable by at least one computing device. The computer readable medium can be associated with any data storage device that can store data which can be read by a computer system. Exemplary computer readable media can include read-only memory, random-access memory, CD-ROMs, HDDs, DVDs, magnetic tape, and optical data storage devices, among others. The computer readable medium can also be distributed over network coupled computer systems so that the computer readable code is stored and executed in a distributed fashion.
The above description of the technology may refer to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration embodiments in which the embodiments are described. These embodiments, while described in sufficient detail to enable those skilled in the art to practice them, are non-limiting; other embodiments may be utilized and changes may be made without departing from the scope of the described embodiments. For example, the order of operations described in a flowchart is non-limiting, and thus the order of two or more operations illustrated in and described in accordance with the flowchart may be altered in accordance with several embodiments. As another example, in several embodiments, one or more operations illustrated in and described with respect to the flowcharts are optional or may be eliminated. Additionally, certain steps or functions may be added to the disclosed embodiments, or two or more steps may be permuted in order. All such variations are considered to be encompassed by the disclosed embodiments and the claims.
Additionally, terminology is used in the foregoing description of the technology to provide a thorough understanding of the described embodiments. However, no unnecessary detail is required to implement the described embodiments. Accordingly, the foregoing description of the embodiments has been presented for purposes of illustration and description. The embodiments presented in the foregoing description and the examples disclosed in accordance with these embodiments are provided solely to add context and aid in the understanding of the described embodiments. The above description is not intended to be exhaustive or to limit the described embodiments to the precise form of the invention. Many modifications, alternative uses, and variations are possible in light of the above teaching. In some instances, well known process steps have not been described in detail in order to avoid unnecessarily obscuring the described embodiments.
Claims (11)
1. A control method of an air conditioner is characterized by comprising the following steps:
s10, controlling the operation of the air conditioner;
s20, judging whether the air conditioner simultaneously meets a first energy efficiency test condition and a second energy efficiency test condition, wherein,
the first energy efficiency test condition includes: the air conditioner is in a preset mode, the set temperature of the air conditioner is the target energy efficiency test temperature, the wind speed of the air conditioner is in a high wind mode,
the second energy efficiency test condition includes: current indoor ambient temperature Tin1Preset value T corresponding to indoor environment temperaturein1setSatisfies the following conditions: i Tin1–Tin1set|≤Tin0And the current outdoor ambient temperature Tout1Preset value T of outdoor environment temperatureout1setSatisfies the following conditions: i Tout1–Tout1set|≤Tout0Wherein, the T isin0For tolerance of return difference of indoor ambient temperature, Tout0Fault-tolerant return difference of outdoor environment temperature;
and S30, when the air conditioner meets the first energy efficiency test condition and the second energy efficiency test condition, controlling the air conditioner to enter an energy efficiency test state.
2. The control method according to claim 1, wherein, in step S20,
the preset mode is a cooling mode or a heating mode.
3. The control method according to claim 1, characterized in that, before step S30, the control method further includes:
s21, judging whether the air conditioner meets a third energy efficiency test condition or not, wherein,
the third energy efficiency test condition includes: when the air conditioner meets the second energy efficiency test condition, starting a continuous operation time period t for a compressor of the air conditionercompTimed and operated for said period of continuous operation tcompGreater than or equal to the preset time period tset1Then, the current indoor ambient temperature T is obtainedin2And the current indoor ambient temperature Tin2Preset value T corresponding to indoor environment temperaturein1setSatisfies the following conditions: i Tin2–Tin1set|≤Tin0Current outdoor ambient temperature Tout2Preset value T of outdoor environment temperatureout1setSatisfies the following conditions: i Tout2–Tout1set|≤Tout0And | Tin2–Tin1|≤TthreWherein T isthreIs a temperature difference threshold;
s30 specifically includes: and when the air conditioner simultaneously meets the first energy efficiency test condition, the second energy efficiency test condition and the third energy efficiency test condition, controlling the air conditioner to enter the energy efficiency test state.
4. The control method according to claim 3, wherein T isthreAnd tset1Respectively satisfy: t isthre＝2℃，tset130 minutes.
5. The control method according to claim 3, characterized in that, before step S20, the control method further includes:
s12, judging whether the air conditioner meets a fourth energy efficiency test condition or not, wherein,
the fourth energy efficiency test condition includes: the frequency Count of entering the energy efficiency test state after the air conditioner is powered on is less than the preset frequency Countset；
S30 specifically includes: and when the air conditioner simultaneously meets the first energy efficiency test condition, the second energy efficiency test condition, the third energy efficiency test condition and the fourth energy efficiency test condition, controlling the air conditioner to enter the energy efficiency test state.
6. The control method according to claim 5, wherein the preset number of times is a positive integer N, where N is greater than or equal to 4 and less than or equal to 6.
7. The control method according to claim 3, characterized by further comprising:
s40, when the air conditioner exits the energy efficiency test state, the Tin1The Tin2The t iscompAre all cleared.
8. The control method according to claim 5, characterized in that after step S10, the control method further comprises:
s11, after the compressor of the air conditioner continuously operates for a preset time period, executing the step S12.
9. The control method according to claim 1, characterized in that after step S30, the control method further includes:
if any one of the following conditions is met, controlling the air conditioner to exit the energy efficiency test state:
the operation mode of the air conditioner is changed;
a wind speed mode of the air conditioner is changed;
the set temperature of the air conditioner is changed;
the air conditioner is powered off;
for the time period t of continuous operation of the air conditioner in the energy efficiency test statetestStarting timing, wherein ttest＞trunSaid t isrunAnd presetting operation time for the energy efficiency test.
10. The control method according to any one of claims 1 to 9, characterized in that after step S10, the control method further includes:
and S13, when the air conditioner receives a remote control frequency locking instruction, controlling the air conditioner to enter the energy efficiency test state.
11. An air conditioner characterized in that the control method according to any one of claims 1 to 10 is employed.
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