CN110686374A - Air conditioner energy-saving control method, computer readable storage medium and air conditioner - Google Patents
Air conditioner energy-saving control method, computer readable storage medium and air conditioner Download PDFInfo
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- CN110686374A CN110686374A CN201910822040.7A CN201910822040A CN110686374A CN 110686374 A CN110686374 A CN 110686374A CN 201910822040 A CN201910822040 A CN 201910822040A CN 110686374 A CN110686374 A CN 110686374A
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- air conditioner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—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
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
Abstract
The invention provides an air conditioner energy-saving control method, which enters a corresponding energy-saving mode according to the current operation mode of an air conditioner when no person is indoors, and executes energy-saving operation by an improved energy-saving control strategy in the energy-saving mode. The energy-saving strategy of the air conditioner energy-saving control method is more reasonable, more specific and more optimized on the whole, and the energy-saving operation of the air conditioner without the person can be realized to the maximum extent on the premise of meeting the comfort and convenience of the user in using the air conditioner.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to an air conditioner energy-saving control method, a computer readable storage medium and an air conditioner.
Background
At present, a human detection sensor for sensing the existence of a human is arranged in an air conditioner to detect whether the human exists in a room or not, and the air conditioner is controlled according to a detection result. Specifically, when no person is detected in the room for a long time, the air conditioner is controlled to be turned off, so that the purpose of energy conservation is achieved.
However, although this method can save unnecessary consumption of electric energy, when the air conditioner is turned off, the indoor temperature cannot be adjusted, and when a person enters the room again, the indoor temperature is often too cold or too hot, and the time for re-turning on the air conditioner to adjust the temperature is long, so that a comfortable environment cannot be immediately provided for the user. The existing energy-saving control strategy is not reasonable enough, refined enough and optimized enough.
Disclosure of Invention
The invention aims to provide an air conditioner energy-saving control method which is more reasonable, more specific and more optimized on the whole by an energy-saving strategy. In order to achieve the aim, the technical scheme of the invention is as follows:
an energy-saving control method for an air conditioner comprises the following steps:
step 1: detecting whether a person is in a room; if no, executing the step 2;
step 2: judging the current operation mode of the air conditioner, if the current operation mode is a refrigeration mode, executing the step 3, and if the current operation mode is a heating mode, executing the step 4;
step 3, entering a refrigeration energy-saving mode, and detecting the initial set temperature T of the air conditioner when entering the refrigeration energy-saving mode0(ii) a If the initial set temperature T0If the temperature is greater than or equal to the preset refrigeration energy-saving threshold temperature T1, the set temperature of the air conditioner is not changed; if the initial set temperature T0If the temperature is lower than the preset refrigeration energy-saving threshold temperature T1, the set temperature is increased by delta T1 every time delta T1 until the set temperature reaches the preset refrigeration energy-saving threshold temperature T1; meanwhile, synchronously judging whether the condition of exiting the refrigeration energy-saving mode is met or notIf so, executing step 5;
and 4, step 4: entering a heating energy-saving mode, and detecting the initial set temperature T of the air conditioner when entering the heating energy-saving mode00(ii) a If the initial set temperature T00If the temperature is less than or equal to the preset heating energy-saving threshold temperature T2, the set temperature of the air conditioner is not changed; if the initial set temperature T00If the temperature is higher than the preset heating energy-saving threshold temperature T2, the set temperature is increased by delta T2 every time delta T2 until the set temperature reaches the preset heating energy-saving threshold temperature T2; meanwhile, synchronously judging whether the condition of exiting the heating energy-saving mode is met, and if so, executing the step 5;
and 5: and (4) exiting the cooling energy-saving mode or the heating energy-saving mode, and returning to execute the step 1.
Preferably, the step 3 is replaced by: entering a refrigeration energy-saving mode, and detecting the initial indoor temperature T when entering the refrigeration energy-saving mode0'; if the initial indoor temperature T0'greater than or equal to a preset refrigeration energy-saving threshold temperature T1', the indoor temperature is maintained at the initial indoor temperature T0'; if the initial indoor temperature T0If the indoor temperature is lower than the preset refrigeration energy-saving threshold temperature T1', the indoor temperature is increased by delta T1' at intervals of delta T1 'until the indoor temperature reaches the preset refrigeration energy-saving threshold temperature T1'; meanwhile, synchronously judging whether the condition of exiting the refrigeration energy-saving mode is met, and if so, executing the step 5;
and replacing the step 4 with: entering a heating energy-saving mode, and detecting an initial indoor temperature T in the room when entering the heating energy-saving mode00'; if the initial indoor temperature T00'less than or equal to a preset heating energy-saving threshold temperature T2', the indoor temperature is maintained at the initial indoor temperature T00' do not change; if the initial indoor temperature T00When the preset heating energy-saving threshold temperature T2 'is reached, the indoor temperature is increased by Δ T2' at intervals of Δ T2 'until the indoor temperature is greater than the preset heating energy-saving threshold temperature T2'; meanwhile, synchronously judging whether the condition of exiting the heating energy-saving mode is met, and if so, executing the step 5.
Preferably, in the step 1, millimeter radar waves are used for detecting whether a person is in the room.
Preferably, the step 1 comprises:
step 101: detecting whether a person is in the room, if no person is in the room, executing step 102;
step 102: calculating the duration t1 of no person in the room, and if the duration is greater than the preset time t11, executing the step 103;
step 103: and (5) executing the step 2 if the detection result is that no people are in the room.
Preferably, the condition for exiting the energy saving mode includes: detecting the presence of a person in the room or receiving an instruction to end the energy saving mode.
Preferably, the step 3 further comprises: recording the duration t2 of the cooling energy-saving mode, and if the duration t2 is greater than or equal to the preset time t22, executing the step 6; and, the step 4 further comprises: recording the duration t3 of the cooling energy-saving mode; if the duration t3 is greater than or equal to the preset time t33, step 7 is executed.
Preferably, the step 6 comprises entering a deep refrigeration energy-saving mode, synchronously judging whether a condition for exiting the refrigeration energy-saving mode is met, and executing a step 8 if the condition for exiting the refrigeration energy-saving mode is met;
the step 7 comprises the following steps: entering a deep heating energy-saving mode, synchronously judging whether the conditions for exiting the heating energy-saving mode are met, and executing the step 8 if the conditions for exiting the heating energy-saving mode are met.
Preferably, the step 8 comprises exiting the cooling energy-saving mode or the heating energy-saving mode and returning to the step 1.
Preferably, the condition for exiting the heating energy-saving mode includes detection of a person in the room or receipt of an instruction to end the energy-saving mode.
Preferably, in the deep energy saving mode, the air conditioner performs operations including: the compressor is operated in a low-speed and low-power consumption state.
The present invention also provides a computer-readable storage medium including a computer program, which when executed by a processor implements the above-described air-conditioning energy-saving control method.
The invention also provides an air conditioner, which comprises a memory and a processor, wherein the memory stores a computer program, and the computer program is executed by the processor to realize the air conditioner energy-saving control method.
Compared with the prior art, the air conditioner energy-saving control method has the advantages that when no person is indoors, the air conditioner energy-saving control method enters the corresponding energy-saving mode according to the current operation mode of the air conditioner, and under the energy-saving mode, the energy-saving operation is executed by the improved energy-saving control strategy. The energy-saving strategy of the air conditioner energy-saving control method is more reasonable, more specific and more optimized on the whole, and the energy-saving operation of the air conditioner without the person can be realized to the maximum extent on the premise of meeting the comfort and convenience of the user in using the air conditioner.
Drawings
Fig. 1 is a flow chart of an energy-saving control method of an air conditioner according to the invention.
Fig. 2 is a flowchart of an energy saving mode operation of the air conditioner energy saving control method of the present invention.
Detailed Description
Example one
As shown in fig. 1, when the air conditioner is turned on and operated and the energy saving function is set, the human body detection sensor detects the situation of the people in the environment in real time. And when the environment is detected to be unmanned within the continuous detection time, automatically entering a corresponding energy-saving mode according to the running state of the air conditioner. Meanwhile, in the process of executing the energy-saving mode, whether the condition of exiting the energy-saving mode is met or not is judged in real time. If the conditions are met, the energy-saving mode is immediately exited, and the state before entering the energy-saving mode is recovered to be executed.
The specific operation flow of the energy saving mode is shown in fig. 2. Step 3, entering a refrigeration energy-saving mode, and detecting the initial set temperature T of the air conditioner when entering the refrigeration energy-saving mode0(ii) a If the initial set temperature T0If the temperature is greater than or equal to the preset refrigeration energy-saving threshold temperature T1, the set temperature of the air conditioner is not changed; if the initial set temperature T0If the temperature is less than the preset refrigeration energy-saving threshold temperature T1, the set temperature is increased by delta T1 at intervals of delta T1 until the set temperature is reachedThe constant temperature reaches the preset refrigeration energy-saving threshold temperature T1;
for example, when the air conditioner enters the cooling energy-saving mode, the initial set temperature of the air conditioner is 20 degrees, and the preset cooling energy-saving threshold temperature is 26 degrees; then, the set temperature of the air conditioner needs to be changed in the cooling energy-saving mode, which is as follows: the set temperature of the air conditioner is increased by 1 degree (Δ T1) every 10 minutes (Δ T1), and then after one hour, the set temperature of the air conditioner is increased from 20 degrees to 26 degrees, in other words, not less than the preset cooling energy saving threshold temperature. Therefore, the air conditioner performs cooling at 26 degrees as a set temperature.
Entering a heating energy-saving mode, and detecting the initial set temperature T of the air conditioner when entering the heating energy-saving mode00(ii) a If the initial set temperature T00If the temperature is less than or equal to the preset heating energy-saving threshold temperature T2, the set temperature of the air conditioner is not changed; if the initial set temperature T00And if the temperature is higher than the preset heating energy-saving threshold temperature T2, the set temperature is reduced by delta T2 at intervals of delta T2 until the set temperature reaches the preset heating energy-saving threshold temperature T2.
For example, when the air conditioner enters the heating energy-saving mode, the initial set temperature of the air conditioner is 29 degrees, and the preset heating energy-saving threshold temperature is 26 degrees; then, the set temperature of the air conditioner needs to be changed in the heating energy-saving mode, which is as follows: the set temperature of the air conditioner is increased by 2 degrees (Δ T2) every 20 minutes (Δ T2), and then, after one hour, the set temperature of the air conditioner is decreased from 29 degrees to 26 degrees, in other words, is not greater than the preset heating energy saving threshold temperature. Therefore, the air conditioner heats up at 26 degrees as a set temperature.
Example two
On the basis of the first embodiment, the specific energy-saving operation flow of the first embodiment is replaced by:
entering a refrigeration energy-saving mode, and detecting the initial indoor temperature T when entering the refrigeration energy-saving mode0'; if the initial indoor temperature T0'greater than or equal to a preset refrigeration energy-saving threshold temperature T1', the indoor temperature is maintained at the initial indoor temperature T0'; if the initial indoor temperature T0If the temperature is less than the preset refrigeration energy-saving threshold temperature T1Increasing the indoor temperature by delta T1' at intervals of delta T1' until the indoor temperature reaches a preset refrigeration energy-saving threshold temperature T1 ';
entering a heating energy-saving mode, and detecting an initial indoor temperature T in the room when entering the heating energy-saving mode00'; if the initial indoor temperature T00'less than or equal to a preset heating energy-saving threshold temperature T2', the indoor temperature is maintained at the initial indoor temperature T00' do not change; if the initial indoor temperature T00If the indoor temperature is higher than the preset heating energy-saving threshold temperature T2', the indoor temperature is increased by Δ T2' at intervals of Δ T2 'until the indoor temperature reaches the preset heating energy-saving threshold temperature T2'.
EXAMPLE III
On the basis of the first embodiment or the second embodiment, as a preferred embodiment, in the energy saving mode, the condition of exiting the unmanned energy saving mode is synchronously detected, when the set state of the air conditioner is manually changed or the human body detection module detects that a person is present again in the environment, the unmanned energy saving mode is immediately exited, and normal operation is resumed, for example, the set temperature of the air conditioner is resumed to the set temperature before entering the energy saving mode or the indoor temperature is adjusted to the indoor temperature before entering the energy saving mode.
As a preferred embodiment, the human body detection can be realized by a millimeter wave sensor, an infrared sensor, an image sensor, and the like, but the realization mode by a millimeter wave sensor and the like is optimal. Compared with other technical schemes, the millimeter wave sensor has stronger anti-interference capability on light, temperature and the like of the detection environment, and the dynamic response is more timely.
As a preferred embodiment, after the air conditioner enters the refrigeration energy-saving mode, the duration t2 of the refrigeration energy-saving mode is recorded, if the duration t2 is greater than or equal to the preset time t22, the deep refrigeration energy-saving mode is entered, whether the condition for exiting the refrigeration energy-saving mode is met is synchronously determined, and if the condition for exiting the refrigeration energy-saving mode is met, the air conditioner exits. After the air conditioner enters the heating energy-saving mode, recording the duration t3 of the heating energy-saving mode; if the duration time t3 is greater than or equal to the preset time t33, entering a deep heating energy-saving mode, synchronously judging whether the conditions for exiting the heating energy-saving mode are met, and if the conditions for exiting the heating energy-saving mode are met, exiting.
As a preferred embodiment, the condition for exiting the deep heating mode includes detecting a person in the room or receiving an instruction to end the deep heating mode.
As a preferred embodiment, when the energy saving mode operation duration is greater than the preset time, the deep energy saving state is entered. In this state, the compressor is kept in a low-speed and low-power-consumption state to operate, the indoor fan is also in a low-speed and low-power-consumption state to operate, even the indoor fan stops, other loads of the indoor unit stop, and the outdoor unit is synchronously required to be shut down.
Example four
The present embodiment provides a computer-readable storage medium including a computer program, which when executed by a processor implements the energy saving control method of the air conditioner according to any one of embodiments 1 to 3.
EXAMPLE five
The embodiment provides an air conditioner, which comprises a memory and a processor, wherein the memory stores a computer program, and the computer program is executed by the processor to realize the energy-saving control method of the air conditioner according to any one of embodiments 1 to 3.
The above-mentioned embodiments are only used for understanding the technical solutions of the present invention, and should not be construed as limiting the scope of the present invention. It should be noted that variations to those skilled in the art may be made without departing from the spirit of the invention, and these are within the scope of the invention.
Claims (12)
1. An energy-saving control method for an air conditioner is characterized by comprising the following steps:
step 1: detecting whether a person is in a room; if no, executing the step 2;
step 2: judging the current operation mode of the air conditioner, if the current operation mode is a refrigeration mode, executing the step 3, and if the current operation mode is a heating mode, executing the step 4;
and step 3: entering a refrigeration energy-saving mode, and detecting the initial set temperature of the air conditioner when entering the refrigeration energy-saving modeDegree T0(ii) a If the initial set temperature T0If the temperature is greater than or equal to the preset refrigeration energy-saving threshold temperature T1, the set temperature of the air conditioner is not changed; if the initial set temperature T0If the temperature is lower than the preset refrigeration energy-saving threshold temperature T1, the set temperature is increased by delta T1 every time delta T1 until the set temperature reaches the preset refrigeration energy-saving threshold temperature T1;
meanwhile, synchronously judging whether the condition of exiting the refrigeration energy-saving mode is met, and if so, executing the step 5;
and 4, step 4: entering a heating energy-saving mode, and detecting the initial set temperature T of the air conditioner when entering the heating energy-saving mode00(ii) a If the initial set temperature T00If the temperature is less than or equal to the preset heating energy-saving threshold temperature T2, the set temperature of the air conditioner is not changed; if the initial set temperature T00If the temperature is higher than the preset heating energy-saving threshold temperature T2, reducing the set temperature by delta T2 every time delta T2 until the set temperature reaches the preset heating energy-saving threshold temperature T2; meanwhile, synchronously judging whether the condition of exiting the heating energy-saving mode is met, and if so, executing the step 5;
and 5: and (4) exiting the cooling energy-saving mode or the heating energy-saving mode, and returning to execute the step 1.
2. The energy-saving control method of the air conditioner according to claim 1, characterized in that the step 3 is replaced by: entering a refrigeration energy-saving mode, and detecting the initial indoor temperature T when entering the refrigeration energy-saving mode0'; if the initial indoor temperature T0'greater than or equal to a preset refrigeration energy-saving threshold temperature T1', the indoor temperature is maintained at the initial indoor temperature T0'; if the initial indoor temperature T0If the indoor temperature is lower than the preset refrigeration energy-saving threshold temperature T1', the indoor temperature is increased by delta T1' at intervals of delta T1 'until the indoor temperature reaches the preset refrigeration energy-saving threshold temperature T1'; meanwhile, synchronously judging whether the condition of exiting the refrigeration energy-saving mode is met, and if so, executing the step 5;
and replacing the step 4 with: entering a heating energy-saving mode, and detecting an initial indoor temperature T in the room when entering the heating energy-saving mode00'; if the initial indoor temperature T00'less than or equal to a preset heating energy-saving threshold temperature T2', the indoor temperature is maintained at the initial indoor temperature T00' do not change; if the initial indoor temperature T00If the indoor temperature is higher than the preset heating energy-saving threshold temperature T2', the indoor temperature is reduced by delta T2' at intervals of delta T2 'until the indoor temperature reaches the preset heating energy-saving threshold temperature T2'; meanwhile, synchronously judging whether the condition of exiting the heating energy-saving mode is met, and if so, executing the step 5.
3. The energy-saving control method of air conditioner according to claim 2, characterized in that in step 1, millimeter radar wave is used to detect whether there is a person in the room.
4. An energy-saving control method for an air conditioner according to any one of claims 1-3, characterized in that the step 1 comprises:
step 101: detecting whether a person is in the room, if no person is in the room, executing step 102;
step 102: calculating the duration t1 of no person in the room, and if the duration is greater than the preset time t11, executing the step 103;
step 103: and (5) executing the step 2 if the detection result is that no people are in the room.
5. The energy-saving control method of an air conditioner according to claim 4, wherein the condition for exiting the energy-saving mode includes: detecting the presence of a person in the room or receiving an instruction to end the energy saving mode.
6. An energy-saving control method for an air conditioner according to claim 1, 2, 3 or 5, characterized in that the step 3 further comprises: recording the duration t2 of the cooling energy-saving mode, and if the duration t2 is greater than or equal to the preset time t22, executing the step 6;
and, the step 4 further comprises: recording the duration t3 of the cooling energy-saving mode; if the duration t3 is greater than or equal to the preset time t33, step 7 is executed.
7. The energy-saving control method of the air conditioner according to claim 6, wherein the step 6 comprises entering a deep cooling energy-saving mode, synchronously judging whether a condition for exiting the cooling energy-saving mode is met, and executing the step 8 if the condition for exiting the cooling energy-saving mode is met;
the step 7 comprises the following steps: entering a deep heating energy-saving mode, synchronously judging whether the conditions for exiting the heating energy-saving mode are met, and executing the step 8 if the conditions for exiting the heating energy-saving mode are met.
8. The energy-saving control method for the air conditioner according to claim 7, wherein the step 8 comprises exiting the cooling energy-saving mode or the heating energy-saving mode and returning to the step 1.
9. The energy-saving control method of an air conditioner according to claim 7 or 8, wherein the condition for exiting the energy-saving mode includes detection of a person in a room or receipt of an instruction for ending the deep energy-saving mode.
10. The air conditioner energy-saving control method according to claim 9, wherein in the deep energy-saving mode, the air conditioner performs operations including: the compressor keeps running in a low-speed low-power consumption state or directly stops the compressor, the inner fan keeps running in a low-speed low-power consumption state or directly stops the inner fan, the inner unit keeps running in a low-power consumption state or directly stops running if a health device exists, and the inner unit keeps running in a low-power consumption state or directly stops running if running motion devices such as air sweeping devices exist.
11. A computer-readable storage medium comprising a computer program, characterized in that: the computer program, when executed by a processor, implements the air conditioner energy saving control method of any one of claims 1 to 10.
12. An air conditioner comprising a memory and a processor, the memory storing a computer program, characterized in that: the computer program, when executed by a processor, implements the air conditioner energy saving control method of any one of claims 1 to 10.
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Application publication date: 20200114 |