CN112161372B - Air conditioner control method and device capable of effectively reducing noise and air conditioning unit - Google Patents
Air conditioner control method and device capable of effectively reducing noise and air conditioning unit Download PDFInfo
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- CN112161372B CN112161372B CN202011024906.9A CN202011024906A CN112161372B CN 112161372 B CN112161372 B CN 112161372B CN 202011024906 A CN202011024906 A CN 202011024906A CN 112161372 B CN112161372 B CN 112161372B
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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
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/40—Vibration or noise prevention at outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/50—Load
Abstract
The invention discloses an air conditioner control method and device capable of effectively reducing noise and an air conditioner unit, wherein the method comprises the following steps: obtaining the model of the air conditioning unit, and determining an operation load threshold corresponding to the air conditioning unit according to the model; the operation load threshold value is a minimum load value of the fan operating according to the maximum frequency; detecting the real-time operation load of an inner machine of the air conditioning unit; and controlling the running frequency of the fan according to the real-time running load and the running load threshold value. The invention solves the problem of higher noise generated in the operation process of the air conditioner external unit in the prior art, reduces the noise of the air conditioner and improves the comfort of users.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and device capable of effectively reducing noise and an air conditioning unit.
Background
The noise problem of air conditioners has always been a major area of concern in the industry. Nowadays, the noise problem of the multi-connected external unit is gradually concerned due to the limitation of the installation environment, and how to reduce the operation noise of the multi-connected external unit becomes an important problem faced by various manufacturers in the industry. The noise of the air conditioner outdoor unit in the prior art is mainly influenced by the fan, but the noise of the fan is basically consistent, and particularly when the air conditioner is in a partial load state, the problem that the noise is the same as that of a full load is still solved.
Aiming at the problem of loud noise generated in the operation process of an air conditioner outdoor unit in the related art, an effective solution is not provided at present.
Disclosure of Invention
The invention provides an air conditioner control method and device capable of effectively reducing noise and an air conditioning unit, and at least solves the problem that noise is high in the operation process of an air conditioner external unit in the prior art.
In order to solve the above technical problem, according to an aspect of an embodiment of the present invention, there is provided an air conditioner control method including: obtaining the model of the air conditioning unit, and determining an operation load threshold corresponding to the air conditioning unit according to the model; the operation load threshold value is a minimum load value of the fan operating according to the maximum frequency; detecting the real-time operation load of an inner machine of the air conditioning unit; and controlling the running frequency of the fan according to the real-time running load and the running load threshold value.
Further, the method for controlling the operating frequency of the fan according to the real-time operating load and the operating load threshold value comprises the following steps: when the operation load is smaller than the operation load threshold value, acquiring the outdoor environment temperature; and controlling the running frequency of the fan according to the outdoor environment temperature and the real-time running load.
Further, the operation frequency of the fan is controlled according to the outdoor environment temperature and the real-time operation load, and the method comprises the following steps: acquiring a load interval of a real-time operation load; the method comprises the following steps that a corresponding relation between a load interval and a fan frequency range is preset for each type of air conditioning unit; determining a fan frequency range corresponding to the load interval; and determining the operating frequency of the fan within the fan frequency range according to the ambient temperature, and controlling the fan to operate according to the operating frequency.
Further, determining the operating frequency of the fan within the fan frequency range according to the ambient temperature includes: when the environment temperature is higher than a first preset temperature, determining the operating frequency of the fan as the maximum value of the fan frequency range; when the environmental temperature is less than or equal to a second preset temperature, determining the operating frequency of the fan to be the minimum value of the fan frequency range; wherein the first preset temperature is higher than the second preset temperature.
Further, according to real-time operation load and operation load threshold control fan's operating frequency, still include: and when the running load is greater than or equal to the running load threshold value, controlling the fan to run according to the maximum frequency.
Further, the type of the air conditioning unit at least comprises a fan type and the capacity of an external unit; the fan types at least comprise a single fan and a double fan; the operation load threshold of the double fans is larger than that of the single fan, and the larger the capacity of the external unit is, the larger the operation load threshold is.
Further, still include: detecting the indoor environment temperature and the set temperature of the air conditioning unit; and adjusting the operation load threshold according to the difference value between the indoor environment temperature and the set temperature.
Further, adjusting the operation load threshold according to the difference between the indoor ambient temperature and the set temperature includes: if the difference value is smaller than the preset minimum difference value, the operation load threshold value is increased; otherwise, the operating load threshold is kept unchanged.
According to another aspect of the embodiments of the present invention, there is provided an air conditioning control apparatus including: the acquisition module is used for acquiring the model of the air conditioning unit and determining the operating load threshold corresponding to the air conditioning unit according to the model; the operation load threshold value is a minimum load value of the fan operating according to the maximum frequency; the detection module is used for detecting the real-time operation load of an internal unit of the air conditioning unit; and the control module is used for controlling the running frequency of the fan according to the real-time running load and the running load threshold value.
According to another aspect of the embodiment of the invention, an air conditioning unit is provided, which comprises the air conditioning control device.
According to still another aspect of an embodiment of the present invention, there is provided a storage medium containing computer-executable instructions for performing the air conditioning control method as described above when executed by a computer processor.
The invention provides a noise reduction scheme of an air conditioning unit, which achieves the purpose of reducing noise by detecting the operation load of the air conditioning unit and adjusting the operation frequency of an external fan according to the operation load. The method solves the problem of high noise of the air conditioner, particularly the problem that the air conditioner still has the same noise as the full load when in a partial load state, reduces the noise of the air conditioner, improves the comfort of users, and can save energy sources at the same time.
Drawings
Fig. 1 is an alternative flowchart of an air conditioner control method according to an embodiment of the present invention;
fig. 2 is another alternative flowchart of an air conditioner control method according to an embodiment of the present invention;
fig. 3 is a block diagram of an alternative configuration of an air conditioning control apparatus according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Example 1
In preferred embodiment 1 of the present invention, an air conditioner control method is provided, where the control method may be directly applied to various air conditioning units, or may be applied to other devices having a fan, and when the control method is specifically implemented, the control method may be implemented by installing software, APP, or writing a program corresponding to a controller of the air conditioning unit or the other devices in the air conditioning unit or the other devices. In particular, fig. 1 shows an alternative flow chart of the method, which, as shown in fig. 1, comprises the following steps S102-S106:
s102: obtaining the model of the air conditioning unit, and determining an operation load threshold corresponding to the air conditioning unit according to the model; the operation load threshold is a minimum load value of the fan operating according to the maximum frequency;
s104: detecting the real-time operation load of an inner machine of the air conditioning unit;
s106: and controlling the running frequency of the fan according to the real-time running load and the running load threshold value.
In the above embodiment, a noise reduction scheme for an air conditioning unit is provided, where an operating load of the air conditioning unit is detected, and an operating frequency of an external fan is adjusted according to the operating load, so as to achieve a purpose of reducing noise. The method solves the problem of high noise of the air conditioner, particularly the problem that the air conditioner still has the same noise as the full load when in a partial load state, reduces the noise of the air conditioner, improves the comfort of users, and can save energy sources at the same time.
In order to achieve the effect of reducing noise, the invention distinguishes the load of the air conditioning unit so as to adjust the running frequency of the fan under different loads. When the operation load is smaller than the operation load threshold value, acquiring the outdoor environment temperature; and controlling the running frequency of the fan according to the outdoor environment temperature and the real-time running load.
Divide the load district into different load intervals, according to outdoor ambient temperature and the operating frequency of real-time operation load control fan, include: acquiring a load interval of a real-time operation load; the method comprises the following steps that a corresponding relation between a load interval and a fan frequency range is preset for each type of air conditioning unit; determining a fan frequency range corresponding to the load interval; and determining the operating frequency of the fan within the fan frequency range according to the ambient temperature, and controlling the fan to operate according to the operating frequency.
Besides the influence of the load, the invention also considers the influence of the outdoor environment temperature on the fan, and the higher the outdoor environment temperature is, the higher the fan frequency needs to be in the obvious refrigeration mode, so that the operation frequency of the fan is determined in the fan frequency range according to the environment temperature, and the method comprises the following steps: when the environment temperature is higher than a first preset temperature, determining the operating frequency of the fan as the maximum value of the fan frequency range; when the environmental temperature is less than or equal to a second preset temperature, determining the operating frequency of the fan to be the minimum value of the fan frequency range; wherein the first preset temperature is higher than the second preset temperature. Optionally, when the ambient temperature is less than or equal to the first preset temperature and greater than the second preset temperature, the operating frequency of the fan is set in proportion to the ambient temperature, the proportion is a positive number in the cooling mode, and the proportion is a negative number in the heating mode.
In addition, according to real-time operating load and operating load threshold control fan's operating frequency, still include: and when the running load is greater than or equal to the running load threshold value, controlling the fan to run according to the maximum frequency.
Table 1 shows an alternative scheme of the value of the fan operating frequency of the air conditioning unit in the cooling mode. As shown in table 1, the types of the air conditioning units at least include a fan type and an outdoor unit capacity; the fan types at least comprise a single fan and a double fan; the operation load threshold of the double fans is larger than that of the single fan, and the larger the capacity of the external unit is, the larger the operation load threshold is. Wherein To-env is the outdoor ambient temperature (DEG C) and Kin totalIs the running load (kW).
TABLE 1
Table 2 shows an alternative scheme of the value of the operating frequency of the fan in the heating mode of the air conditioning unit of the present invention. As shown in table 2, the unit limits the upper limit of the operating frequency of the external fan according to the capacity of the external unit, the outdoor ambient temperature, and the operating load of the internal unit.
TABLE 2
The present invention is not limited to this, and the operation load threshold may be adjusted according to the difference between the indoor ambient temperature and the set temperature by detecting the indoor ambient temperature and the set temperature of the air conditioning unit. If the difference value is smaller than the preset minimum difference value, the operation load threshold value is increased; otherwise, the operating load threshold is kept unchanged. And further adjusting the frequency of the fan according to whether the indoor environment temperature reaches a set value.
The invention has different upper limits of the operating frequency of the external fan at different temperatures when the external units with different capacities correspond to different operating loads. The upper limit of the running frequency of the outer fan is continuously adjusted by detecting the running load of the inner fan, so that excessive noise is prevented.
Another air conditioner control method is provided in preferred embodiment 1 of the present invention, and specifically, fig. 2 shows an alternative flowchart of the method, and as shown in fig. 2, the method includes the following steps S201 to S208:
s201: acquiring the model of an air conditioning unit;
s202: determining an operation load threshold corresponding to the air conditioning unit according to the model; the operation load threshold value is a minimum load value of the fan operating according to the maximum frequency;
s203: detecting the real-time operation load of an internal unit of the air conditioning unit, and judging whether the real-time operation load is smaller than an operation load threshold value; if the running load is smaller than the running load threshold, the step S204 is carried out, otherwise, the step S208 is carried out;
s204: acquiring a load interval of a real-time operation load, and determining a fan frequency range corresponding to the load interval; the method comprises the following steps that a corresponding relation between a load interval and a fan frequency range is preset for each type of air conditioning unit;
s205: acquiring the outdoor environment temperature;
s206: when the environment temperature is higher than a first preset temperature, determining the operating frequency of the fan as the maximum value of the fan frequency range;
s207: when the environmental temperature is less than or equal to a second preset temperature, determining the operating frequency of the fan to be the minimum value of the fan frequency range; wherein the first preset temperature is higher than the second preset temperature.
S208: and when the running load is greater than or equal to the running load threshold value, controlling the fan to run according to the maximum frequency.
In the above embodiment, a noise reduction scheme for an air conditioning unit is provided, where an operating load of the air conditioning unit is detected, and an operating frequency of an external fan is adjusted according to the operating load, so as to achieve a purpose of reducing noise. The method solves the problem of high noise of the air conditioner, particularly the problem that the air conditioner still has the same noise as the full load when in a partial load state, reduces the noise of the air conditioner, improves the comfort of users, and can save energy sources at the same time.
Example 2
Based on the air conditioner control method provided in the foregoing embodiment 1, in a preferred embodiment 2 of the present invention, an air conditioner control device is further provided, and specifically, fig. 3 shows an alternative structural block diagram of the device, and as shown in fig. 3, the device includes:
an obtaining module 302, configured to obtain a model of an air conditioning unit, and determine an operating load threshold corresponding to the air conditioning unit according to the model; the operation load threshold value is a minimum load value of the fan operating according to the maximum frequency;
the detection module 304 is connected with the acquisition module 302 and is used for detecting the real-time operation load of the internal unit of the air conditioning unit;
and the control module 306 is connected with the detection module 304 and is used for controlling the operating frequency of the fan according to the real-time operating load and the operating load threshold value.
In the above embodiment, a noise reduction scheme for an air conditioning unit is provided, where an operating load of the air conditioning unit is detected, and an operating frequency of an external fan is adjusted according to the operating load, so as to achieve a purpose of reducing noise. The method solves the problem of high noise of the air conditioner, particularly the problem that the air conditioner still has the same noise as the full load when in a partial load state, reduces the noise of the air conditioner, improves the comfort of users, and can save energy sources at the same time.
The control module 306 includes: the obtaining submodule is used for obtaining the outdoor environment temperature when the operation load is smaller than the operation load threshold value; and the first control submodule is used for controlling the operating frequency of the fan according to the outdoor environment temperature and the real-time operating load.
The first control sub-module includes: the acquisition unit is used for acquiring a load interval of a real-time operation load; the method comprises the following steps that a corresponding relation between a load interval and a fan frequency range is preset for each type of air conditioning unit; the determining unit is used for determining the fan frequency range corresponding to the load interval; and the control unit is used for determining the operating frequency of the fan within the fan frequency range according to the ambient temperature and controlling the operation of the fan according to the operating frequency.
The control unit includes: the first control subunit is used for determining the operating frequency of the fan as the maximum value of the fan frequency range when the ambient temperature is higher than a first preset temperature; the second control subunit is used for determining the operating frequency of the fan to be the minimum value of the fan frequency range when the ambient temperature is less than or equal to a second preset temperature; wherein the first preset temperature is higher than the second preset temperature.
The control module 306 further includes: and the second control submodule is used for controlling the fan to operate according to the maximum frequency when the operation load is greater than or equal to the operation load threshold value.
The type of the air conditioning unit at least comprises a fan type and the capacity of an external unit; the fan types at least comprise a single fan and a double fan; the operation load threshold of the double fans is larger than that of the single fan, and the larger the capacity of the external unit is, the larger the operation load threshold is.
This device still includes: the temperature detection module is used for detecting the indoor environment temperature and the set temperature of the air conditioning unit; and the adjusting module is used for adjusting the running load threshold according to the difference value of the indoor environment temperature and the set temperature.
The adjusting module specifically comprises: if the difference value is smaller than the preset minimum difference value, the operation load threshold value is increased; otherwise, the operating load threshold is kept unchanged.
With regard to the apparatus in the above embodiments, the specific manner in which each unit and each module performs operations has been described in detail in the embodiments related to the method, and will not be described in detail herein.
Example 3
Based on the air conditioning control device provided in the above embodiment 2, in a preferred embodiment 3 of the present invention, there is also provided an air conditioning unit including the air conditioning control device as described above.
In the above embodiment, a noise reduction scheme for an air conditioning unit is provided, where an operating load of the air conditioning unit is detected, and an operating frequency of an external fan is adjusted according to the operating load, so as to achieve a purpose of reducing noise. The method solves the problem of high noise of the air conditioner, particularly the problem that the air conditioner still has the same noise as the full load when in a partial load state, reduces the noise of the air conditioner, improves the comfort of users, and can save energy sources at the same time.
Example 4
Based on the air-conditioning control method provided in embodiment 1 above, there is also provided in preferred embodiment 4 of the present invention a storage medium containing computer-executable instructions for performing the air-conditioning control method as described above when executed by a computer processor.
In the above embodiment, a noise reduction scheme for an air conditioning unit is provided, where an operating load of the air conditioning unit is detected, and an operating frequency of an external fan is adjusted according to the operating load, so as to achieve a purpose of reducing noise. The method solves the problem of high noise of the air conditioner, particularly the problem that the air conditioner still has the same noise as the full load when in a partial load state, reduces the noise of the air conditioner, improves the comfort of users, and can save energy sources at the same time.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. An air conditioner control method, comprising:
obtaining the model of an air conditioning unit, and determining an operation load threshold corresponding to the air conditioning unit according to the model; the operation load threshold value is a minimum load value of a fan which operates according to the maximum frequency, and the fan is an outdoor fan;
detecting the real-time operation load of an inner machine of the air conditioning unit;
controlling the running frequency of the fan according to the real-time running load and the running load threshold;
controlling the operating frequency of the fan according to the real-time operating load and the operating load threshold, comprising:
when the operation load is smaller than the operation load threshold value, acquiring the outdoor environment temperature;
and controlling the running frequency of the fan according to the outdoor environment temperature and the real-time running load.
2. The method of claim 1, wherein controlling the operating frequency of the fan based on the outdoor ambient temperature and the real-time operating load comprises:
acquiring a load interval of the real-time operation load; the air conditioning unit of each model is preset with a corresponding relation between a load interval and a fan frequency range;
determining the fan frequency range corresponding to the load interval;
and determining the operating frequency of the fan within the fan frequency range according to the environment temperature, and controlling the operation of the fan according to the operating frequency.
3. The method of claim 2, wherein determining the operating frequency of the fan within the fan frequency range based on the ambient temperature comprises:
when the environment temperature is higher than a first preset temperature, determining the operating frequency of the fan to be the maximum value of the fan frequency range;
when the environment temperature is less than or equal to a second preset temperature, determining the operating frequency of the fan to be the minimum value of the fan frequency range; wherein the first preset temperature is greater than the second preset temperature.
4. The method of claim 1, wherein controlling an operating frequency of a wind turbine based on the real-time operating load and the operating load threshold further comprises:
and when the running load is greater than or equal to the running load threshold value, controlling the fan to run according to the maximum frequency.
5. The method of claim 1, wherein the type of the air conditioning unit comprises at least a fan type and an outdoor unit capacity; the fan types at least comprise a single fan and a double fan; the operation load threshold of the double fans is larger than that of the single fan, and the larger the capacity of the external unit is, the larger the operation load threshold is.
6. The method of claim 1, further comprising:
detecting the indoor environment temperature and the set temperature of the air conditioning unit;
and adjusting the running load threshold according to the difference value between the indoor environment temperature and the set temperature.
7. The method of claim 6, wherein adjusting the operational load threshold based on the difference between the indoor ambient temperature and the set temperature comprises:
if the difference value is smaller than a preset minimum difference value, the operation load threshold value is increased;
otherwise, keeping the operation load threshold unchanged.
8. An air conditioning control device, characterized by comprising:
the acquisition module is used for acquiring the model of the air conditioning unit and determining the operating load threshold corresponding to the air conditioning unit according to the model; the operation load threshold value is a minimum load value of a fan which operates according to the maximum frequency, and the fan is an outdoor fan;
the detection module is used for detecting the real-time operation load of an internal unit of the air conditioning unit;
the control module is used for controlling the operating frequency of the fan according to the real-time operating load and the operating load threshold value;
the control module includes: the obtaining submodule is used for obtaining the outdoor environment temperature when the operation load is smaller than the operation load threshold value; and the first control submodule is used for controlling the operating frequency of the fan according to the outdoor environment temperature and the real-time operating load.
9. An air conditioning assembly characterized by comprising the air conditioning control device according to claim 8.
10. A storage medium containing computer-executable instructions for performing the air conditioning control method of any one of claims 1 to 7 when executed by a computer processor.
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| CN202011024906.9A CN112161372B (en) | 2020-09-25 | 2020-09-25 | Air conditioner control method and device capable of effectively reducing noise and air conditioning unit |
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| CN202011024906.9A CN112161372B (en) | 2020-09-25 | 2020-09-25 | Air conditioner control method and device capable of effectively reducing noise and air conditioning unit |
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| CN113074431B (en) * | 2021-03-15 | 2022-03-25 | 珠海格力电器股份有限公司 | Noise control method for air conditioner, readable storage medium and air conditioner |
| CN113865257B (en) * | 2021-10-11 | 2023-01-20 | 珠海格力电器股份有限公司 | Refrigerator control method, device and system and refrigerator |
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| CN104676840A (en) * | 2015-02-28 | 2015-06-03 | 广东美的制冷设备有限公司 | Control method and control device for compressor in air conditioner |
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| JP2001356777A (en) * | 2000-06-13 | 2001-12-26 | Hitachi Ltd | Active noise eliminating device |
| CN103574835A (en) * | 2012-07-31 | 2014-02-12 | 美的集团股份有限公司 | Method and device for controlling outdoor fan of air conditioner |
| CN104121658A (en) * | 2013-04-28 | 2014-10-29 | 珠海格力电器股份有限公司 | Control method and device for draught fan of outdoor unit of air conditioner and air conditioner |
| CN104676840A (en) * | 2015-02-28 | 2015-06-03 | 广东美的制冷设备有限公司 | Control method and control device for compressor in air conditioner |
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