CN113983651B - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN113983651B CN113983651B CN202111393496.XA CN202111393496A CN113983651B CN 113983651 B CN113983651 B CN 113983651B CN 202111393496 A CN202111393496 A CN 202111393496A CN 113983651 B CN113983651 B CN 113983651B
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- AYFVYJQAPQTCCC-GBXIJSLDSA-N L-threonine Chemical compound C[C@@H](O)[C@H](N)C(O)=O AYFVYJQAPQTCCC-GBXIJSLDSA-N 0.000 claims description 16
- 101150055297 SET1 gene Proteins 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000012353 t test Methods 0.000 claims description 3
- 238000002474 experimental method Methods 0.000 abstract description 8
- 230000008859 change Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
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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
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Abstract
The invention discloses an air conditioner and a control method thereof. The control method comprises the following steps: s10, controlling the air conditioner to operate; 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 T in1 And the preset value T of the indoor environment temperature in1set Satisfy | T in1 –T in1set |≤T in0 And the current outdoor ambient temperature T out1 Preset value T of outdoor environment temperature out1set Satisfy | T out1 –T out1set |≤T out0 Wherein, T in0 For tolerance of return difference of indoor ambient temperature, T out0 Fault-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 working 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 the expected energy efficiency under the energy efficiency test working 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 air conditioner to operate;
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 T in1 And the preset value T of the indoor environment temperature in1set Satisfies the following conditions: i T in1 –T in1set |≤T in0 And the current outdoor ambient temperature T out1 Preset value T of outdoor environment temperature out1set Satisfies the following conditions: | T out1 –T out1set |≤T out0 Wherein, the T is in0 For tolerance of return difference of indoor ambient temperature, T out0 Fault-tolerant return difference of outdoor environment temperature;
and S30, when the air conditioner simultaneously 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 T in1 Preset value T corresponding to indoor environment temperature in1set Satisfy | T in1 –T in1set |≤T in0 And the current outdoor ambient temperature T out1 Preset value T of outdoor environment temperature out1set Satisfy | T out1 –T out1set |≤T out0 And 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 conditioner comp Timed and operated for said period of continuous operation t comp Greater than or equal to the preset time period t set1 Then, the current indoor ambient temperature T is obtained in2 And the current indoor ambient temperature T in2 Preset value T corresponding to indoor environment temperature in1set Satisfies the following conditions: | T in2 –T in1set |≤T in0 Current outdoor ambient temperature T out2 Preset value T of outdoor environment temperature out1set Satisfies the following conditions: i T out2 –T out1set |≤T out0 And | T in2 –T in1 |≤T thre Wherein T is thre Is a temperature difference threshold;
s30 specifically comprises the following steps: 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 T thre And t set1 Respectively satisfy: t is thre ＝2℃，t set1 =30 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 Count set ；
S30 specifically comprises the following steps: 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 T in1、 The T is in2 The t is comp Are all cleared.
According to some embodiments of the invention, after step S10, the control method further comprises:
and 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 state test Starting timing, wherein t test ＞t run Said t is run And 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 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 in the accompanying drawings, which correspond to the accompanying drawings and not in a limiting sense, in which elements having the same reference numeral designations represent like elements, and in which:
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 air conditioner to operate;
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 T in1 Preset value T corresponding to indoor environment temperature in1set Satisfy | T in1 –T in1set |≤T in0 And the current outdoor ambient temperature T out1 Preset value T of outdoor environment temperature out1set Satisfy | T out1 –T out1set |≤T out0 Wherein, T in0 Is a fault-tolerant return difference, T, of the indoor ambient temperature out0 Fault-tolerant return difference of outdoor environment temperature;
and S30, when the air conditioner simultaneously 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.
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 T test And (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. 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 conditioner in1 Preset value T corresponding to indoor environment temperature in1set Whether or not | T is satisfied in1 –T in1set |≤T in0 And the current outdoor ambient temperature T out1 Preset value T of outdoor environment temperature out1set Whether or not | T is satisfied out1 –T out1set |≤T out0 。
Specifically, in the second energy efficiency test condition, T in1 Determining a current indoor ambient temperature, T, obtained when the air conditioner satisfies a first energy efficiency test condition out1 The 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 the target energy efficiency test temperature or temperatures, one or more outdoor ambient temperature preset values may be set accordingly. For convenience of description, use T in1set Representing 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 T out1set And 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, by T in0 Indicating fault tolerance return difference of indoor ambient temperature, i.e. allowed T in1 And T in1set The maximum temperature difference therebetween; by T out0 Indicating fault tolerance return difference of outdoor ambient temperature, i.e. allowed T out1 And T out1set The maximum temperature difference therebetween. When | T in1 –T in1set |≤T in0 And | T out1 –T out1set |≤T out0 And 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 carried out on the panel keys of the air conditioner, 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 the efficiency of the 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 the air conditioner to automatically enter the energy efficiency test operation state in some regions, 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 T in1 Preset value T corresponding to indoor environment temperature in1set Satisfy | T in1 –T in1set |≤T in0 And the current outdoor ambient temperature T out1 Preset value T of outdoor environment temperature out1set Satisfy | T out1 –T out1set |≤T out0 And 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 the manual control mode, the air conditioner can be automatically controlled to enter the energy efficiency test state, the tedious manual operation of a user is not needed, time and labor are saved, the efficiency of the 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 the energy efficiency test operation state, and the use region of the air conditioner is enlargedAnd (3) a range.
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 conditioner comp Timed and operated for a period of time t comp Greater than or equal to the preset time period t set1 Then, the current indoor ambient temperature T is obtained in2 And current indoor ambient temperature T in2 Preset value T corresponding to indoor environment temperature in1set Satisfy | T in2 –T in1set |≤T in0 Current outdoor ambient temperature T out2 Preset value T of outdoor environment temperature out1set Satisfy | T out2 –T out1set |≤T out0 And | T in2 –T in1 |≤T thre Wherein T is thre Is the threshold temperature difference. 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 set comp Start timing and when t comp Reaching the preset time period t set1 Then, the current indoor environment temperature T is obtained in2 And the current outdoor ambient temperature T out2 . When | T in2 –T in1set |≤T in0 And | T out2 –T out1set |≤T out0 And | T in2 –T in1 |≤T thre In time, the air conditioner may be considered to satisfy the third energy efficiency test condition. Set Condition | T in2 –T in1set |≤T in0 And | T out2 –T out1set |≤T out0 The 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 T in2 –T in1 |≤T thre Indicating that the indoor environment temperature does not change beyond the specified range, namely that 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 by the temperature difference threshold T thre This 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 t comp And continuing timing.
Alternatively, T thre And t set1 Respectively satisfy: t is thre ＝2℃，t set1 =30 minutes. Will T thre The 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 can be ensured not to be higher than 2 DEG CThe invention is obviously changed, thereby ensuring that the indoor environment enters an energy efficiency test state under the condition of relatively stable temperature to a certain extent. Will t set1 The 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 entering an energy efficiency test state after the air conditioner is powered on is less than a preset number of times Count set 。
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 Count set The magnitude relationship of (1), wherein the predetermined number of times Count set And the maximum value of the times of entering the energy efficiency test state after the air conditioner is powered on. If Count<Count set And 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 Count set Is a positive integer N, wherein N is more than or equal to 4 and less than or equal to 6. When N is set too small, it may be impossible to perform blankingTesting the energy efficiency of the regulator under each working condition; 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 times set N 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, T in1、 T in2 、t comp Are all cleared.
Specifically, when the air conditioner exits the energy efficiency test state, T may be set in1、 T in2 And t comp All reset to reacquire T when judging whether the air conditioner can enter the energy efficiency test state next time in1、 T in2 And t comp . 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 time in1、 T in2 And t comp The judgment is performed, thereby avoiding the occurrence of judgment errors.
According to some embodiments of the present invention, referring to fig. 2, after step S10, the control method may further include:
and S11, after the compressor of the air conditioner continuously operates for a preset time period, executing the step S12.
Specifically, after the air conditioner is powered on to operate, the operation of the compressor of the air conditioner is timed. Step S12 is performed 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 (i.e., starting to determine whether the air conditioner can enter the energy efficiency test state) is executed, so that it can be ensured that the first energy efficiency test condition, the second energy efficiency test condition and the third energy efficiency test condition are determined when the air conditioner is already operating under relatively stable conditions, and the determination accuracy of the air conditioner is improved.
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 state test Starting timing, wherein t test ＞t run ，t run And presetting operation time for the energy efficiency test.
The above conditions are described one by one below with reference to steps S501 to S504 and S509 in fig. 2 as an example.
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 state test Setting a threshold t run ，t run And 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 is test ＞t run When the energy efficiency test is finished, the air conditioner is controlled to exit the current energy efficiency test state; when t is test ≤t run And controlling the air conditioner to be kept in an energy efficiency test state. E.g. t run It 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 when the following conditions are met, controlling the air conditioner to exit the energy efficiency test state:
in the energy efficiency test state of the air conditioner, T is continuously measured and obtained in2 And T out2 And continuously judges T in2 And T out2 Whether or not to satisfy | T respectively in2 –T in1set |＞T in0 And | T out2 –T out1set |＞T out0 (i.e., continuously judging whether the air conditioner does not meet the third energy efficiency test condition);
if judged to satisfy | T in2 –T in1set |＞T in0 And | T out2 –T out1set |＞T out0 (i.e., the air conditioner does not satisfy the third energy efficiency test condition), the time period t is started temp Timing;
if at t temp Reaching the maximum allowed preset time period t keep Time, judgment resultIs still T in2 And T out2 Satisfy respectively | T in2 –T in1set |＞T in0 And | T out2 –T out1set |＞T out0 If yes, the air conditioner is controlled to exit the energy efficiency test state, and T is adjusted test 、T in2 、T out2 And t temp And (6) clearing.
In contrast, at t temp <t keep When the result is T in2 And T out2 Respectively do not satisfy | T in2 –T in1set |＞T in0 And | T out2 –T out1set |＞T out0 And controlling the air conditioner to be kept in a current energy efficiency test state.
Alternatively, t keep It can be set to 10 minutes. Of course, the present invention is not limited thereto, t keep Shorter or longer periods of time may also be provided, such as 8 minutes, 12 minutes, etc.
According to some embodiments of the invention, T in1set ＝26.7℃，T out1set =35 ℃. 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 body feeling comfort, the user usually selects to control the indoor temperature to about 26 degrees. Thus, will T in1set Set to 26.7 ℃ and T out1set Set to 35 ℃, an energy efficiency test may be performed at ambient temperatures at which the air conditioner is often operated, which may more accurately determine whether the air conditioner is capable of achieving the desired energy efficiency.
Of course, the invention is not limited thereto. T is in1set And T out1set Other 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 a 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 to 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 to S16 does not have to be 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 portable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other 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 for example only and are not limiting upon the 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.
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, too much detail is not 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 foregoing 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 (8)
1. A control method of an air conditioner is characterized by comprising the following steps:
s10, controlling the air conditioner to operate;
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 Count set ；
The preset times are positive integers N, wherein N is more than or equal to 4 and less than or equal to 6
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 T in1 Preset value T corresponding to indoor environment temperature in1set Satisfies the following conditions: i T in1 –T in1set |≤T in0 And the current outdoor ambient temperature T out1 Preset value T of outdoor environment temperature out1set Satisfies the following conditions: i T out1 –T out1set |≤T out0 Wherein, the T is in0 For tolerance of return difference of indoor ambient temperature, T out0 Fault-tolerant return difference of outdoor environment temperature;
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 conditioner comp Time-keeping and during the continuous operation period t comp Greater than or equal to the preset time period t set1 Then, the current indoor ambient temperature T is obtained in2 And the current indoor ambient temperature T in2 Preset value T corresponding to indoor environment temperature in1set Satisfies the following conditions: i T in2 –T in1set |≤T in0 Current outdoor ambient temperature T out2 And the preset value T of outdoor environment temperature out1set Satisfies the following conditions: i T out2 –T out1set |≤T out0 And | T in2 –T in1 |≤T thre Wherein T is thre Is a temperature difference threshold;
and S30, 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.
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, wherein T is thre And t set1 Respectively satisfy:
T thre ＝2℃，t set1 =30 minutes.
4. The control method according to claim 1, characterized by further comprising:
s40, when the air conditioner exits the energy efficiency test state, the T in1 Said T in2 T is shown comp Are all cleared.
5. The control method according to claim 1, characterized in that after step S10, the control method further comprises:
and S11, after the compressor of the air conditioner continuously operates for a preset time period, executing the step S12.
6. The control method according to claim 1, characterized in that 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 state test Starting timing, wherein t test ＞t run Said t is run And presetting operation time for the energy efficiency test.
7. The control method according to any one of claims 1 to 6, characterized in that after step S10, the control method further includes:
and S13, when the air conditioner receives a remote frequency locking instruction, controlling the air conditioner to enter the energy efficiency test state.
8. An air conditioner characterized in that the control method according to any one of claims 1 to 7 is employed.
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