CN111473465B - Air conditioner control method and device and air conditioner - Google Patents
Air conditioner control method and device and air conditioner Download PDFInfo
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- CN111473465B CN111473465B CN202010311636.3A CN202010311636A CN111473465B CN 111473465 B CN111473465 B CN 111473465B CN 202010311636 A CN202010311636 A CN 202010311636A CN 111473465 B CN111473465 B CN 111473465B
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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
- F24F11/32—Responding to malfunctions or emergencies
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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
- F24F11/56—Remote control
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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
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump 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
- F24F11/88—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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention relates to the technical field of air conditioners, and particularly provides an air conditioner control method, an air conditioner control device and an air conditioner.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and device and an air conditioner.
Background
The continuous progress of the air conditioning technology brings comfortable life to people and improves the life quality of people, but the existing air conditioning products still have some problems in use, such as cold easily caused by air blowing in summer, air drying easily caused by air conditioning in winter and the like.
At present, when the air conditioner works, the air inlet temperature detected by the air conditioner and the set temperature of the air conditioner are mostly used as the judgment basis required by the working energy of the air conditioner, namely, when the temperature difference between the air inlet temperature and the set temperature reaches a certain value, the air conditioner performs cooling or heating work in a high horsepower state. For example, the air conditioner is under the refrigeration mode, and the difference in temperature between air inlet temperature and the set temperature is the biggest during initial operation, and near the temperature of air outlet descends rapidly this moment, and the business turn over wind difference in temperature is great, and the user can't adjust the business turn over wind difference in temperature, influences user experience.
Disclosure of Invention
The invention aims to provide an air conditioner control method, an air conditioner control device and an air conditioner, so as to adjust the air inlet and outlet temperature difference of the air conditioner.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides an air conditioning control method, including:
acquiring an air inlet temperature and an air outlet temperature at the inner side of an air conditioner, and determining an air inlet and outlet temperature difference according to the air inlet temperature and the air outlet temperature, wherein the air inlet and outlet temperature difference is an absolute value of a difference value between the air inlet temperature and the air outlet temperature;
adjusting the operation parameters of the air conditioner from a first operation state to a second operation state according to the magnitude relation between the air inlet and outlet temperature difference and a preset value; when the air conditioner operates in the first operation state and the air conditioner operates in the second operation state, the air inlet and outlet temperature difference is different from the preset value in size relation;
determining a target operation state according to the adjustment temperature difference when the air conditioner operates in the first operation state and the adjustment temperature difference when the air conditioner operates in the second operation state; the adjusting temperature difference refers to the absolute value of the difference value between the air inlet and outlet temperature difference of the air conditioner and the preset value; the target running state is a running state corresponding to the condition that the adjusting temperature difference is small;
and adjusting the running state of the air conditioner to enable the running state of the air conditioner to reach the target running parameter state so as to adjust the air inlet and outlet temperature difference of the air conditioner.
According to the air conditioner control method provided by the invention, the air inlet and outlet temperature difference is adjusted by adjusting the operation state of the air conditioner, and the difference value between the air inlet and outlet temperature difference and the set temperature difference in different operation states is compared to determine the operation state or operation parameter of which the air inlet and outlet temperature difference is closest to the set value, so that the air inlet and outlet temperature difference can be accurately adjusted, and the user experience is improved.
In an optional embodiment, the step of adjusting the operation state of the air conditioner from the first operation state to the second operation state according to the magnitude relationship between the air inlet/outlet temperature difference and the preset value includes:
when the air inlet and outlet temperature difference is larger than the preset value, adjusting the operation parameters of the air conditioner from the first operation state to the second operation state so as to reduce the air inlet and outlet temperature difference; when the air conditioner operates in the first operation state, the air inlet and outlet temperature difference is larger than the preset value, and when the air conditioner operates in the second operation state, the air inlet and outlet temperature difference is smaller than or equal to the preset value.
In an optional embodiment, when the difference between the inlet and outlet air temperatures is greater than the preset value, the step of adjusting the operation parameter of the air conditioner from the first operation state to the second operation state to reduce the difference between the inlet and outlet air temperatures includes:
increasing an indoor fan speed of the air conditioner and/or increasing an operating frequency of a compressor.
In an optional embodiment, the step of adjusting the operation state of the air conditioner from the first operation state to the second operation state according to the magnitude relationship between the air inlet/outlet temperature difference and the preset value includes:
when the air inlet and outlet temperature difference is smaller than the preset value, adjusting the operation parameters of the air conditioner from the first operation state to the second operation state to increase the air inlet and outlet temperature difference; when the air conditioner operates in the first operation state, the air inlet and outlet temperature difference is smaller than the preset value, and when the air conditioner operates in the second operation state, the air inlet and outlet temperature difference is larger than or equal to the preset value.
In an optional embodiment, when the difference between the air inlet temperature and the air outlet temperature is smaller than the preset value, the step of adjusting the operation parameter of the air conditioner from the first operation state to the second operation state to increase the difference between the air inlet temperature and the air outlet temperature includes:
and reducing the rotating speed of an indoor fan of the air conditioner and/or reducing the running frequency of a compressor.
In an optional embodiment, after the obtaining the inlet air temperature and the outlet air temperature inside the air conditioner and determining the inlet and outlet air temperature difference according to the inlet air temperature and the outlet air temperature, the air conditioner control method further includes:
and when the air inlet and outlet temperature difference is equal to the preset value, stopping adjusting the running state of the air conditioner.
In a second aspect, the present invention provides an air conditioning control apparatus for executing the air conditioning control method according to any one of the preceding embodiments, the air conditioning control apparatus including:
the air conditioner comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring the air inlet temperature and the air outlet temperature of the inner side of the air conditioner and determining the air inlet and outlet temperature difference according to the air inlet temperature and the air outlet temperature, and the air inlet and outlet temperature difference is the absolute value of the difference between the air inlet temperature and the air outlet temperature;
the control module is used for adjusting the operation parameters of the air conditioner from a first operation state to a second operation state according to the magnitude relation between the air inlet and outlet temperature difference and a preset value; when the air conditioner operates in the first operation state and the air conditioner operates in the second operation state, the air inlet and outlet temperature difference is different from the preset value in size relation;
the control module is further used for determining a target operation state of the air conditioner according to the adjusting temperature difference when the air conditioner operates in the first operation state and the adjusting temperature difference when the air conditioner operates in the second operation state; the adjusting temperature difference refers to the absolute value of the difference value between the air inlet and outlet temperature difference of the air conditioner and the preset value; the target running state is a running state corresponding to the condition that the adjusting temperature difference is small;
the control module is also used for adjusting the running state of the air conditioner so as to enable the running state of the air conditioner to reach the target running parameter state, and therefore the air inlet and outlet temperature difference of the air conditioner is adjusted.
In an optional embodiment, the control module is configured to adjust the operation parameter of the air conditioner from the first operation state to the second operation state to reduce the air inlet/outlet temperature difference when the air inlet/outlet temperature difference is greater than the preset value; when the air conditioner operates in the first operation state, the air inlet and outlet temperature difference is larger than the preset value, and when the air conditioner operates in the second operation state, the air inlet and outlet temperature difference is smaller than or equal to the preset value.
In an optional embodiment, the control module is further configured to adjust the operation parameter of the air conditioner from the first operation state to the second operation state to increase the air inlet/outlet temperature difference when the air inlet/outlet temperature difference is smaller than the preset value; when the air conditioner operates in the first operation state, the air inlet and outlet temperature difference is smaller than the preset value, and when the air conditioner operates in the second operation state, the air inlet and outlet temperature difference is larger than or equal to the preset value.
In a third aspect, the present invention provides an air conditioner comprising a controller for executing computer readable program instructions to implement the steps of the air conditioner control method according to any one of the preceding embodiments.
Drawings
Fig. 1 shows a functional block diagram of an air conditioner provided by the present invention.
Fig. 2 shows a flowchart of an air conditioner control method according to an embodiment of the present invention.
Fig. 3 is a flowchart illustrating another air conditioner control method according to an embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating functional modules of an air conditioning control device according to an embodiment of the present invention.
Description of reference numerals:
200-an air conditioner; 210-a controller; 300-air conditioning control means; 310-an acquisition module; 320-control module.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
When the air conditioner works, the air inlet temperature from the side detected by the air conditioner and the set temperature of the air conditioner are mostly used as the judgment basis required by the working energy of the air conditioner, namely, when the temperature difference between the air inlet temperature and the set temperature reaches a certain value, the air conditioner performs cooling or heating work in a high horsepower state. For example, the air conditioner is under the refrigeration mode, and the difference in temperature between air inlet temperature and the set temperature is the biggest during initial operation, and the air conditioner improves output efficiency this moment, and near the temperature of air outlet descends rapidly, and the business turn over wind difference in temperature is great, and the cold wind temperature that blows out is lower, influences user experience.
The existing air conditioner user can not adjust the air inlet and outlet temperature difference, the user can not adjust the air inlet and outlet temperature difference of the air conditioner, the user can catch a cold when the air inlet and outlet temperature difference is too large in a refrigeration mode, and the user is uncomfortable when the air inlet and outlet temperature difference is too large in a heating mode.
Based on the above problems, the embodiment of the present invention provides an air conditioner 200, which is used for adjusting an indoor temperature and simultaneously accurately adjusting an air inlet and outlet temperature difference of an indoor fan, so as to improve user experience. Referring to fig. 1, fig. 1 is a functional block diagram of an air conditioner 200 according to an embodiment of the present invention. The air conditioner 200 includes a controller 210, and the controller 210 can execute computer instructions to implement an air conditioning control method provided by the present invention, such as an air conditioning control device provided by the present invention. The air conditioner control device includes at least one software functional module, which may be stored in the controller 210 in the form of software, such as computer calibration program instructions or firmware, for example, and may be directly burned in a storage space of the controller 210, or in another embodiment, may be stored in another separate storage medium and executed by the controller 210, and when the controller 210 executes the computer readable program instructions, the steps of the air conditioner control method are implemented.
The controller 210 may be an integrated circuit chip having signal processing capabilities. The controller 210 may be a general-purpose processor including a Central Processing Unit (CPU), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic devices, discrete Gate or transistor logic devices, and discrete hardware components, and may implement or execute the methods, steps, and logic blocks disclosed in the embodiments of the present invention, where the general-purpose processor may be a microprocessor, and the controller 210 provided in this embodiment may also be any conventional processor.
It will be appreciated that the configuration shown in fig. 1 is merely illustrative and that the air conditioner 200 may include more or fewer components than shown in fig. 1 or may have a different configuration than shown in fig. 1. The components shown in fig. 1 may be implemented in hardware, software, or a combination thereof.
On the basis of the air conditioner shown in fig. 1, the embodiment of the invention provides an air conditioner control method. Referring to fig. 2, fig. 2 is a schematic flow chart illustrating an air conditioning control method according to the present embodiment, where the air conditioning control method includes steps 110 to 140.
Step 110: the method comprises the steps of obtaining the air inlet temperature and the air outlet temperature of the inner side of the air conditioner, and determining the air inlet and outlet temperature difference according to the air inlet temperature and the air outlet temperature, wherein the air inlet and outlet temperature difference is the absolute value of the difference between the air inlet temperature and the air outlet temperature.
The air outlet temperature at the inner side of the air conditioner refers to the air outlet temperature of the indoor unit, the air outlet is cold air in the refrigerating mode, and the air outlet is hot air in the heating mode. When the temperature difference between the inlet air and the outlet air is too large, discomfort of a user can be caused. In this embodiment, acquire inlet air temperature and air-out temperature every predetermined time interval to confirm the business turn over wind difference in temperature, generally, inlet air temperature is higher than the air-out temperature under the refrigeration mode, and under the heating mode, inlet air temperature is less than the air-out temperature, consequently confirms the absolute value of the difference of inlet air temperature and air-out temperature as the business turn over wind difference in temperature.
Step 120: adjusting the operation parameters of the air conditioner from a first operation state to a second operation state according to the magnitude relation between the air inlet and outlet temperature difference and a preset value; when the air conditioner operates in the first operation state, the air inlet and outlet temperature difference and the preset value are different from each other.
The user can set the temperature difference between the inlet and outlet air, for example, by giving an instruction to the air conditioner through the remote controller of the air conditioner to set the preset value of the temperature difference. Adjusting the operation parameters of the air conditioner from a first operation state to a second operation state according to the magnitude relation between the air inlet and outlet temperature difference and the preset value; when the air conditioner operates in the first operating state and the air conditioner operates in the second operating state, the air inlet and outlet temperature difference is different from the preset value, and the magnitude relation refers to the magnitude relation between the air inlet and outlet temperature difference and the preset value. Because the preset temperature difference value is kept unchanged, the air inlet and outlet temperature difference is changed by adjusting the operation parameters of the air conditioner, for example, when the air inlet and outlet temperature difference is lower than the preset value, the rotating speed of an indoor fan is adjusted or the wind speed gear of the indoor fan is adjusted, or the operation frequency of a compressor is adjusted, the current first operation state is adjusted to the second operation state, the work efficiency of the air conditioner is changed, the air inlet and outlet temperature difference is increased, and the air inlet and outlet temperature difference is adjusted.
Step 130: determining a target operation state according to the adjustment temperature difference when the air conditioner operates in the first operation state and the adjustment temperature difference when the air conditioner operates in the second operation state; the adjusting temperature difference refers to the absolute value of the difference value between the air inlet and outlet temperature difference of the air conditioner and a preset value; the target operation state is an operation state corresponding to a case where the adjustment temperature difference is small.
The adjusting temperature difference refers to an absolute value of a difference value between the air inlet and outlet temperature difference of the air conditioner and a preset value, the adjusting temperature difference of the air conditioner in a first operation state before adjustment is compared with the adjusting temperature difference of the air conditioner in a second operation state after adjustment, the difference value between the air inlet and outlet temperature difference before adjustment and the preset temperature difference after adjustment is determined to be smaller, namely, the adjusting temperature difference in the first operation state and the adjusting temperature difference in the second operation state are determined to be closer to one of the preset temperature differences, and the adjusting temperature difference is taken as a target operation state.
Step 140: and adjusting the running state of the air conditioner to enable the running state of the air conditioner to reach the target running parameter state so as to adjust the temperature difference of the inlet air and the outlet air of the air conditioner.
The operation state of the air conditioner is adjusted to a target operation state, so that the temperature difference of the inlet air and the outlet air of the air conditioner approaches (or is equal to) the preset temperature difference value, and the temperature difference of the inlet air and the outlet air of the air conditioner is adjusted.
According to the air conditioner control method provided by the embodiment, the air inlet temperature and the air outlet temperature of the inner side of the air conditioner are obtained in real time, the air inlet and outlet temperature difference is determined according to the air inlet temperature and the air outlet temperature, the operation state of the air conditioner is adjusted according to the size relation between the air inlet and outlet temperature difference and the preset value, and the operation parameters of the air conditioner are adjusted from the first operation state to the second operation state; the air conditioner is operated in a first operation state and the air conditioner is operated in a second operation state, the size relation between the air inlet and outlet temperature difference and the preset value is different or opposite, a target operation state is determined according to the difference value between the air inlet and outlet temperature difference before and after adjustment and the preset value, the target operation state is an operation state which is closer to the preset temperature difference in the adjustment temperature difference in the first operation state and the adjustment temperature difference in the second operation state, and after the air conditioner is adjusted to the target operation state, the air inlet and outlet temperature difference of the air conditioner is close to or close to the preset temperature difference value, the adjustment of the air inlet and outlet temperature difference of the air conditioner is achieved, and user experience is improved.
In an optional implementation manner, adjusting the air conditioner from the first operation state to the second operation state may only adjust the air speed of the indoor fan of the air conditioner, may only adjust the operation frequency of the compressor of the air conditioner, and may also adjust the air speed of the indoor fan and the frequency of the compressor at the same time, which is not limited in this embodiment.
According to the difference of the temperature difference of the inlet air and the outlet air, different adjustment strategies need to be adopted, for example, when the temperature difference of the inlet air and the outlet air is smaller than a preset value, the operation state of the air conditioner needs to be adjusted to enable the temperature difference of the inlet air and the outlet air to rise, and when the temperature difference of the inlet air and the outlet air is larger than the preset value, the operation state of the air conditioner needs to be adjusted to enable the temperature difference of the inlet air and the outlet air to fall. On the basis of fig. 2, a possible implementation manner is provided in the embodiment of the present invention to adjust the temperature difference between the inlet air and the outlet air of the air conditioner, please refer to fig. 3, and fig. 3 shows a flowchart of another air conditioner control method provided in the embodiment of the present invention. Step 120 includes the following two cases:
step 120-1: when the temperature difference of the inlet air and the outlet air is larger than the preset value, the operation state of the air conditioner is adjusted from the first operation state to the second operation state so as to reduce the temperature difference of the inlet air and the outlet air.
When the temperature difference of the inlet air and the outlet air is larger than the preset value, the first running state refers to a state before the running state of the air conditioner is adjusted, namely the running state of the air conditioner with the temperature difference of the inlet air and the outlet air larger than the preset value; and when the air inlet and outlet temperature difference is reduced to be less than or equal to the preset value, the running state of the air conditioner at the moment is the second running state.
It should be noted that different air conditioners have different performances and different adjustment accuracies. For example, the adjustment accuracy may be a wind gear, or 100 revolutions of the indoor fan, or the compressor adjusts the operating frequency of 1hz, but may also be 500 revolutions of the indoor fan, or the compressor adjusts the operating frequency of 10hz, and it is understood that the performance of the air conditioner is different, and the adjustment accuracy is also different. In a possible implementation manner, the adjustment precision of the air conditioner is rough, the temperature difference between the inlet air and the outlet air can be changed greatly by one adjustment, the temperature difference is changed from being larger than a preset value to being smaller than the preset value, and the air conditioner is adjusted from the first operation state to the second operation state by one adjustment (or adjustment with fewer times).
In another possible implementation manner, the adjustment precision of the air conditioner is fine, and the operation state of the air conditioner is adjusted once, so that the change of the temperature difference between the inlet air and the outlet air of the air conditioner is small, the reduction speed is slow, the air conditioner is still in the first operation state after being adjusted once, and the temperature difference between the inlet air and the outlet air is still larger than the preset value, so that the air conditioner needs to be adjusted for many times to adjust the temperature difference between the inlet air and the outlet air from the state larger than the preset value to the state smaller than the preset value.
In order to make the difference between the adjusted temperature difference of the inlet and outlet air and the preset value as small as possible, in the embodiment, the adjustment of the air conditioner can be performed with the minimum adjustment precision, but is not limited thereto.
In order to avoid frequently adjusting the air conditioner, the time interval for acquiring the inlet and outlet temperature and the outlet temperature can be reasonably set, for example, the inlet and outlet temperature can be acquired every 30 seconds or 1 minute, and the inlet and outlet temperature difference is determined, so that one-time adjustment is performed according to the relationship between the inlet and outlet temperature difference and the temperature difference preset value. However, the time interval may be set according to the performance of the air conditioner.
It should be noted that, because the air conditioners are different in type and the like, the adjustable parameters are also different, for example, the fixed-frequency air conditioner can only adjust the air outlet speed (i.e., the rotating speed or the wind gear of the indoor fan), while the variable-frequency air conditioner can adjust the operating frequency of the compressor in addition to the air outlet speed.
Under the certain circumstances of air inlet temperature, the fan rotational speed is higher, and then the air outlet temperature is higher, and the business turn over wind difference in temperature is less, and in a possible implementation, when the business turn over wind difference in temperature is greater than the default, adjust the operational parameter of air conditioner to the step of second running state in order to reduce the business turn over wind difference in temperature by first running state can include: the rotating speed of the indoor fan of the air conditioner is increased, or the operating frequency of the compressor is increased, or both the rotating speed of the indoor fan and the operating frequency of the compressor are increased, but the adjusting mode is not limited to this, taking the variable frequency air conditioner as an example, the rotating speed of the indoor fan can be adjusted first, and when the rotating speed of the indoor fan cannot be adjusted (for example, the lowest rotating speed is reached), the operating frequency of the compressor is adjusted to achieve the effect of reducing the temperature difference between the inlet air and the outlet air.
Step 120-2: and when the air inlet and outlet temperature difference is smaller than the preset value, adjusting the operation state of the air conditioner from the first operation state to the second operation state so as to increase the air inlet and outlet temperature difference.
When the temperature difference between the inlet air and the outlet air is smaller than the preset value, the running state of the air conditioner needs to be adjusted to increase the temperature difference between the inlet air and the outlet air.
When the air conditioner operates in the first operation state, the temperature difference of the inlet air and the outlet air is smaller than a preset value, and when the air conditioner operates in the second operation state, the temperature difference of the inlet air and the outlet air is larger than or equal to the preset value. When the temperature difference of the inlet air and the outlet air is smaller than the preset value, the first running state refers to a state before the running state of the air conditioner is adjusted, namely the running state of the air conditioner with the temperature difference of the inlet air and the outlet air smaller than the preset value; and when the air inlet and outlet temperature difference is increased to be less than or equal to the preset value, the running state of the air conditioner at the moment is the second running state.
Similarly, the different air conditioners can be adjusted with different accuracies. In a possible implementation manner, the adjustment precision of the air conditioner is rough, the temperature difference between the inlet air and the outlet air can be changed greatly by one-time adjustment, the temperature difference between the inlet air and the outlet air is changed from being smaller than a preset value to being larger than the preset value, namely, the air conditioner is adjusted from the first operation state to the second operation state by one-time adjustment (or adjustment with less times). In another possible implementation manner, the adjustment precision of the air conditioner is fine, and the operation state of the air conditioner is adjusted once, so that the change of the temperature difference between the inlet air and the outlet air of the air conditioner is small, the rising speed of the temperature of the inlet air and the outlet air is slow, and after the air conditioner is adjusted once, the temperature difference between the inlet air and the outlet air is still smaller than the preset value, that is, the air conditioner is still in the first operation state, so that the air conditioner needs to be adjusted for many times to adjust the temperature difference between the inlet air and the outlet air from the state smaller than the preset value to the state larger than the preset value.
In one possible implementation, when the difference between the inlet and outlet air temperatures is smaller than a preset value, the step of adjusting the operation parameter of the air conditioner from the first operation state to the second operation state to increase the difference between the inlet and outlet air temperatures may include: the rotating speed of an indoor fan of the air conditioner is reduced, or the operating frequency of the compressor is reduced, or both the rotating speed of the indoor fan and the operating frequency of the compressor are reduced, but the adjusting mode is not limited to the above, for example, the variable frequency air conditioner is used, the rotating speed of the indoor fan can be adjusted first, the rotating speed of the indoor fan is reduced, when the rotating speed of the indoor fan cannot be adjusted (for example, when the adjusting threshold value is reached), and then the operating frequency of the compressor is adjusted to achieve the purpose of increasing the temperature difference between the inlet air and the outlet air.
The air conditioner is characterized in that the running state of the air conditioner is adjusted, the adjusting times can be one time or multiple times, the air inlet and outlet temperature difference is increased or reduced in the adjusting process, the air inlet and outlet temperature difference is close to a preset value in order to meet the requirements of users, the air inlet and outlet temperature difference is required to be compared in different running states before and after adjustment, and the air inlet and outlet temperature difference in the different running states before and after adjustment is closer to or close to the preset temperature difference value and meets the requirements of the users.
In one possible implementation mode, the absolute value of the difference value between the air inlet and outlet temperature difference of the air conditioner and the preset value is determined as the adjusting temperature difference, and after each adjustment, the adjusting temperature difference is determined according to the air inlet and outlet temperature difference. It can be understood that the adjusting temperature difference represents the difference between the temperature difference between the inlet and outlet air and the preset temperature difference value, the larger the adjusting temperature difference, the larger the difference between the temperature difference between the inlet and outlet air and the preset value, and the smaller the adjusting temperature difference, the smaller the difference between the temperature difference between the inlet and outlet air and the preset value, and the closer the temperature difference between the inlet and outlet air and the preset value.
Determining a target operation state according to the adjustment temperature difference when the air conditioner operates in the first operation state and the adjustment temperature difference when the air conditioner operates in the second operation state; the target operation state refers to an operation state in which the adjustment temperature difference is small.
The air conditioner is adjusted from the first operation state to the second operation state after being adjusted for one time or more, and the temperature difference between the inlet air and the outlet air is changed from being smaller than a preset value to being larger than or equal to the preset value; or the temperature difference of the inlet air and the outlet air is changed from being larger than the preset value to being smaller than or equal to the preset value, in order to determine which operation state before and after adjustment more meets the requirements of users, the operation state with smaller temperature difference is determined as the target operation state of the air conditioner by comparing the adjustment temperature difference in the first operation state with the adjustment temperature difference in the second operation state, and the air conditioner is controlled to be adjusted to the target operation state, so that the temperature difference of the inlet air and the outlet air of the air conditioner is close to the temperature difference preset value to the maximum extent, and the effect of finely adjusting the temperature difference of the inlet air and the outlet air is achieved.
In the above embodiments, the description is given when the temperature difference between the inlet air and the outlet air is greater than or less than the preset value, and when the temperature difference between the inlet air and the outlet air is greater than or less than the preset value, the operation state of the air conditioner needs to be adjusted, so that the temperature difference between the inlet air and the outlet air changes correspondingly. However, in another possible implementation manner, the method may further include a condition that no adjustment is required, and after the intake air temperature and the outlet air temperature are obtained and the intake air temperature difference and the outlet air temperature difference are determined, the air conditioner control method provided in this embodiment further includes:
step 121: and when the temperature difference between the inlet air and the outlet air is equal to a preset value, stopping adjusting the running state of the air conditioner.
It should be noted that, step 121 is not shown in the drawing, and after the air inlet and outlet temperature difference is obtained, if the air inlet and outlet temperature difference is equal to the preset value, the operation state of the air conditioner does not need to be adjusted, and the existing state is maintained.
In order to execute the corresponding steps in the above embodiments and various possible embodiments, an implementation of an air conditioning control device is given below, please refer to fig. 4, and fig. 4 is an air conditioning control device 300 according to a preferred embodiment of the present invention. It should be noted that the basic principle and the technical effects of the air-conditioning control device 300 provided in the present embodiment are substantially the same as those of the air-conditioning defrosting control method provided in the above embodiment, and for the sake of brief description, no mention is made in this embodiment, and reference may be made to the corresponding contents in the above embodiment.
The air conditioning control device 300 includes an acquisition module 310 and a control module 320.
The acquisition module is used for acquiring the air inlet temperature and the air outlet temperature of the indoor side of the air conditioner 200 and determining the air inlet and outlet temperature difference according to the air inlet temperature and the air outlet temperature, wherein the air inlet and outlet temperature difference is the absolute value of the difference between the air inlet temperature and the air outlet temperature.
It is to be understood that, in one possible implementation manner, the obtaining module 310 may be configured to perform the step 110 in the above-mentioned figures to achieve the corresponding technical effect.
The control module 320 is configured to adjust the operation parameter of the air conditioner 200 from the first operation state to the second operation state according to the magnitude relationship between the temperature difference between the inlet air and the outlet air and the preset value; wherein, the air inlet and outlet temperature difference and the preset value have different magnitude relations when the air conditioner 200 operates in the first operation state and the air conditioner 200 operates in the second operation state;
it will be appreciated that in one possible implementation, the control module 320 may be configured to perform the step 120 in the above-mentioned figures to achieve the corresponding technical effect.
In one possible implementation, the control module 320 is configured to adjust the operation parameter of the air conditioner 200 from the first operation state to the second operation state to reduce the temperature difference between the inlet air and the outlet air when the temperature difference between the inlet air and the outlet air is greater than the preset value; when the air conditioner 200 operates in the first operation state, the temperature difference between the inlet air and the outlet air is greater than the preset value, and when the air conditioner 200 operates in the second operation state, the temperature difference between the inlet air and the outlet air is less than or equal to the preset value. For example, the control module 320 may control the air conditioner 200 to increase the indoor fan speed of the air conditioner 200, or increase the operating frequency of the compressor, or both increase the indoor fan speed and increase the operating frequency of the compressor to reduce the temperature difference between the inlet air and the outlet air.
It will be appreciated that in one possible implementation, the control module 320 may be configured to perform step 120-1 in the above-described figures to achieve a corresponding technical effect.
In a possible implementation manner, the control module 320 is further configured to adjust the operation parameter of the air conditioner 200 from the first operation state to the second operation state to increase the air inlet/outlet temperature difference when the air inlet/outlet temperature difference is smaller than the preset value; when the air conditioner 200 operates in the first operation state, the temperature difference between the inlet air and the outlet air is smaller than the preset value, and when the air conditioner 200 operates in the second operation state, the temperature difference between the inlet air and the outlet air is larger than or equal to the preset value. For example, the control module 320 may control the air conditioner 200 to decrease the indoor fan speed of the air conditioner 200, or decrease the operating frequency of the compressor, or both decrease the indoor fan speed and the operating frequency of the compressor, so as to increase the temperature difference between the inlet air and the outlet air.
It will be appreciated that in one possible implementation, the control module 320 may be configured to perform the step 120-2 in the above-mentioned figures to achieve the corresponding technical effect.
The control module 320 is further configured to determine a target operating state of the air conditioner 200 based on the temperature difference between adjustments made while the air conditioner 200 is operating in the first operating state and the temperature difference between adjustments made while the air conditioner 200 is operating in the second operating state; the adjustment temperature difference refers to an absolute value of a difference value between the air inlet and outlet temperature difference of the air conditioner 200 and a preset value; the target operation state is an operation state corresponding to a case where the adjustment temperature difference is small.
It will be appreciated that in one possible implementation, the control module 320 may be configured to perform the step 130 in the above-mentioned figures to achieve the corresponding technical effect.
The control module 320 is further configured to adjust the operation state of the air conditioner 200 to achieve the target operation parameter state of the air conditioner 200, so as to adjust the temperature difference between the inlet air and the outlet air of the air conditioner 200.
It will be appreciated that in one possible implementation, the control module 320 may be configured to perform the step 140 in the above-mentioned figures to achieve the corresponding technical effect.
The control module 320 is further configured to adjust the operation parameter of the air conditioner 200 from the first operation state to the second operation state to increase the air inlet/outlet temperature difference when the air inlet/outlet temperature difference is smaller than the preset value; when the air conditioner 200 operates in the first operating state, the air inlet and outlet temperature difference is smaller than the preset value, and when the air conditioner 200 operates in the second operating state, the air inlet and outlet temperature difference is larger than or equal to the preset value.
In summary, the invention provides an air conditioner control method, an air conditioner control device and an air conditioner, wherein the air inlet temperature and the air outlet temperature of the inner side of the air conditioner are obtained in real time, the air inlet and outlet temperature difference is determined according to the air inlet temperature and the air outlet temperature, the operation state of the air conditioner is adjusted according to the magnitude relation between the air inlet and outlet temperature difference and the preset value, and the operation parameter of the air conditioner is adjusted from the first operation state to the second operation state; the air conditioner is operated in a first operation state and the air conditioner is operated in a second operation state, the size relation between the air inlet and outlet temperature difference and the preset value is different or opposite, a target operation state is determined according to the difference value between the air inlet and outlet temperature difference before and after adjustment and the preset value, the target operation state is an operation state which is closer to the preset temperature difference in the adjustment temperature difference in the first operation state and the adjustment temperature difference in the second operation state, and after the air conditioner is adjusted to the target operation state, the air inlet and outlet temperature difference of the air conditioner is close to or close to the preset temperature difference value, the adjustment of the air inlet and outlet temperature difference of the air conditioner is achieved, and user experience is improved.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, the functional modules in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An air conditioning control method, characterized by comprising:
acquiring an air inlet temperature and an air outlet temperature of the indoor side of an air conditioner (200), and determining an air inlet and outlet temperature difference according to the air inlet temperature and the air outlet temperature, wherein the air inlet and outlet temperature difference is an absolute value of a difference value between the air inlet temperature and the air outlet temperature;
adjusting the operation parameters of the air conditioner (200) from a first operation state to a second operation state according to the magnitude relation between the air inlet and outlet temperature difference and a preset value; wherein the air inlet and outlet temperature differences when the air conditioner (200) is operating in the first operating state and when the air conditioner (200) is operating in the second operating state are different from the preset value; the first running state is a running state before adjustment, and the second running state is an adjusted state;
determining a target operating state from the temperature difference for operating the air conditioner (200) in the first operating state and the temperature difference for operating the air conditioner (200) in the second operating state; the adjusting temperature difference refers to the absolute value of the difference value between the air inlet and outlet temperature difference of the air conditioner (200) and the preset value; the target running state is a running state corresponding to the condition that the adjusting temperature difference is small;
and adjusting the operation state of the air conditioner (200) to enable the operation state of the air conditioner (200) to reach the target operation parameter state, so as to adjust the temperature difference of the inlet air and the outlet air of the air conditioner (200).
2. The air conditioner control method according to claim 1, wherein the step of adjusting the operation state of the air conditioner (200) from a first operation state to a second operation state according to the magnitude relation between the temperature difference of the inlet and outlet air and a preset value comprises:
when the air inlet and outlet temperature difference is larger than the preset value, the operation state of the air conditioner (200) is adjusted from the first operation state to the second operation state so as to reduce the air inlet and outlet temperature difference; wherein the difference in air inlet and outlet temperatures is greater than the predetermined value when the air conditioner (200) is operating in the first operating state, and the difference in air inlet and outlet temperatures is less than or equal to the predetermined value when the air conditioner (200) is operating in the second operating state.
3. The air conditioner control method according to claim 2, wherein the step of adjusting the operation parameters of the air conditioner (200) from the first operation state to the second operation state to reduce the difference between the air inlet temperature and the air outlet temperature when the difference between the air inlet temperature and the air outlet temperature is greater than the preset value comprises:
increasing an indoor fan speed of the air conditioner (200) and/or increasing an operating frequency of a compressor.
4. The air conditioner control method according to claim 1, wherein the step of adjusting the operation state of the air conditioner (200) from a first operation state to a second operation state according to the magnitude relation between the temperature difference of the inlet and outlet air and a preset value comprises:
when the air inlet and outlet temperature difference is smaller than the preset value, the operation state of the air conditioner (200) is adjusted from the first operation state to the second operation state so as to increase the air inlet and outlet temperature difference; wherein the difference in air inlet and outlet temperatures is less than the predetermined value when the air conditioner (200) is operating in the first operating state, and the difference in air inlet and outlet temperatures is greater than or equal to the predetermined value when the air conditioner (200) is operating in the second operating state.
5. The air conditioning control method according to claim 4, wherein the step of adjusting the operation parameters of the air conditioner (200) from the first operation state to the second operation state to increase the difference between the air inlet temperature and the air outlet temperature when the difference between the air inlet temperature and the air outlet temperature is smaller than the preset value comprises:
reducing an indoor fan speed of the air conditioner (200) and/or reducing an operating frequency of a compressor.
6. The air conditioner control method according to claim 1, wherein after obtaining the inlet air temperature and the outlet air temperature of the indoor side of the air conditioner (200) and determining the inlet and outlet air temperature difference according to the inlet air temperature and the outlet air temperature, the air conditioner control method further comprises:
and when the air inlet and outlet temperature difference is equal to the preset value, stopping adjusting the running state of the air conditioner (200).
7. An air conditioning control device (300) for performing the air conditioning control method according to any one of claims 1 to 6, the air conditioning control device (300) comprising:
the air conditioner comprises an acquisition module (310) and a control module, wherein the acquisition module is used for acquiring the air inlet temperature and the air outlet temperature of the indoor side of the air conditioner (200), and determining the air inlet and outlet temperature difference according to the air inlet temperature and the air outlet temperature, wherein the air inlet and outlet temperature difference is the absolute value of the difference between the air inlet temperature and the air outlet temperature;
the control module (320) is used for adjusting the operation parameters of the air conditioner (200) from a first operation state to a second operation state according to the magnitude relation between the air inlet and outlet temperature difference and a preset value; wherein the air inlet and outlet temperature differences when the air conditioner (200) is operating in the first operating state and when the air conditioner (200) is operating in the second operating state are different from the preset value; the first running state is a running state before adjustment, and the second running state is an adjusted state;
the control module (320) is further configured to determine a target operating state of the air conditioner (200) based on the temperature difference for operating the air conditioner (200) in the first operating state and the temperature difference for operating the air conditioner (200) in the second operating state; the adjusting temperature difference refers to the absolute value of the difference value between the air inlet and outlet temperature difference of the air conditioner (200) and the preset value; the target running state is a running state corresponding to the condition that the adjusting temperature difference is small;
the control module (320) is further used for adjusting the operation state of the air conditioner (200) to enable the operation state of the air conditioner (200) to reach the target operation parameter state, so that the temperature difference of the inlet air and the outlet air of the air conditioner (200) is adjusted.
8. The air conditioner control device as claimed in claim 7, wherein the control module (320) is configured to adjust the operation parameter of the air conditioner (200) from the first operation state to the second operation state to reduce the difference between the inlet and outlet air temperatures when the difference between the inlet and outlet air temperatures is greater than the preset value; wherein the difference in air inlet and outlet temperatures is greater than the predetermined value when the air conditioner (200) is operating in the first operating state, and the difference in air inlet and outlet temperatures is less than or equal to the predetermined value when the air conditioner (200) is operating in the second operating state.
9. The air conditioner control device as claimed in claim 7, wherein the control module (320) is further configured to adjust the operation parameter of the air conditioner (200) from the first operation state to the second operation state to increase the air inlet/outlet temperature difference when the air inlet/outlet temperature difference is smaller than the preset value; wherein the difference in air inlet and outlet temperatures is less than the predetermined value when the air conditioner (200) is operating in the first operating state, and the difference in air inlet and outlet temperatures is greater than or equal to the predetermined value when the air conditioner (200) is operating in the second operating state.
10. An air conditioner, characterized in that the air conditioner (200) comprises a controller (210), the controller (210) is used for executing computer readable program instructions to realize the steps of the air conditioner control method according to any one of claims 1-6.
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| CN113503622A (en) * | 2021-06-29 | 2021-10-15 | 武汉天宇卓信信息科技有限公司 | Intelligent control regulation and control method and system for central air conditioner and computer storage medium |
| CN113983670A (en) * | 2021-11-02 | 2022-01-28 | 珠海格力电器股份有限公司 | Control method of kitchen air conditioner and kitchen air conditioner |
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