CN108709281B - Control method and system of air conditioner, air conditioner and computer equipment - Google Patents
Control method and system of air conditioner, air conditioner and computer equipment Download PDFInfo
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- CN108709281B CN108709281B CN201810523542.5A CN201810523542A CN108709281B CN 108709281 B CN108709281 B CN 108709281B CN 201810523542 A CN201810523542 A CN 201810523542A CN 108709281 B CN108709281 B CN 108709281B
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000012423 maintenance Methods 0.000 claims abstract description 95
- 230000001276 controlling effect Effects 0.000 claims description 37
- 238000004590 computer program Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method and a control system of an air conditioner, the air conditioner and computer equipment, wherein the air conditioner comprises at least one indoor unit and at least one outdoor unit, each indoor unit comprises at least two direct current fans and/or each outdoor unit comprises at least two direct current fans, and the control method comprises the following steps: acquiring the fault number of the direct current fans with faults in each indoor unit and/or each outdoor unit; and when the number of the faults is less than the total number of the direct current fans in each indoor unit and/or each outdoor unit, controlling the indoor unit and/or the outdoor unit corresponding to the direct current fan with the fault to enter a maintenance waiting mode, and operating in the maintenance waiting mode. According to the control method of the air conditioner, when the number of the direct current fans with faults is smaller than the total number of the direct current fans, the outdoor unit or the indoor unit corresponding to the direct current fans with faults is controlled to enter the maintenance waiting mode and can operate in the maintenance waiting mode, and a user can still use the air conditioner during the maintenance waiting mode.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method and a control system of an air conditioner, the air conditioner and computer equipment.
Background
At present, in a system with 2 or more than 2 direct current fans in an outdoor unit or an indoor unit of an air conditioner, when only one direct current fan fails, the whole system stops running, and a user cannot use the system in the period and only waits for maintenance.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the present invention proposes a control method of an air conditioner.
A second aspect of the present invention provides a control system of an air conditioner.
A third aspect of the present invention provides an air conditioner.
A fourth aspect of the invention provides a computer device.
A fifth aspect of the invention proposes a computer-readable storage medium.
In view of the above, a first aspect of the present invention provides a method for controlling an air conditioner, the air conditioner including at least one indoor unit and at least one outdoor unit, each indoor unit including at least two dc fans and/or each outdoor unit including at least two dc fans, the method comprising: acquiring the fault number of the direct current fans with faults in each indoor unit and/or each outdoor unit; and when the number of the faults is less than the total number of the direct current fans in each indoor unit and/or each outdoor unit, controlling the indoor unit and/or the outdoor unit corresponding to the direct current fan with the fault to enter a maintenance waiting mode, and operating in the maintenance waiting mode.
The invention provides a control method of an air conditioner, the air conditioner comprises at least one indoor unit and at least one outdoor unit, each indoor unit comprises at least two direct current fans and/or each outdoor unit comprises at least two direct current fans, wherein, when the direct current fans are in failure, the number of the direct current fans with failure in each indoor unit and/or each outdoor unit is obtained, the number of the direct current fans with failure is compared with the total number of the direct current fans, if the number of the direct current fans with failure is less than the total number of the direct current fans, namely all the direct current fans are not in failure, the outdoor unit or the indoor unit corresponding to the direct current fan with failure is controlled to enter a maintenance waiting mode, and because the direct current fans without failure still exist, the indoor unit or the outdoor unit is controlled to continue to operate in the maintenance waiting mode, during which the user can still use the air conditioner and can wait for maintenance during this period.
Further, the control method of the air conditioner further comprises the following steps: and judging whether the fault number of the direct current fan is smaller than the total number of the direct current fans.
In addition, the control method of the air conditioner in the above technical solution provided by the present invention may further have the following additional technical features:
in the above technical solution, preferably, the control method of the air conditioner further includes: and controlling the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to display the maintenance code information.
In the technical scheme, when the direct current fan breaks down, the indoor unit and/or the outdoor unit corresponding to the direct current fan with the fault are controlled to display maintenance code information, so that a user can know that the air conditioner breaks down and timely maintains the air conditioner.
Preferably, when the direct current fan fails, the indoor unit and the outdoor unit simultaneously display the maintenance code information, and the maintenance code information can display the position of the direct current fan to be specifically maintained. For example, the direct current fan at a certain position of the indoor unit is displayed to wait for maintenance or the direct current fan at a certain position of the outdoor unit is displayed to wait for maintenance, thereby providing convenience for maintenance personnel.
In any of the above technical solutions, preferably, the control method of the air conditioner further includes: and controlling the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to stop running after running for a preset time length in a maintenance waiting mode.
In the technical scheme, when the direct current fan of the indoor unit or the outdoor unit has a fault, the indoor unit and the outdoor unit can still operate in the maintenance waiting mode, but the operation in the mode for a long time can influence the refrigeration and heating functions of the indoor unit or the outdoor unit, so that the indoor unit or the outdoor unit is controlled to stop operating after operating for a period of time in the maintenance waiting mode, and the service life of the whole air conditioning system is prolonged.
Further, when the direct current fan corresponding to the outdoor unit fails, the outdoor unit stops operating after a preset time period in the maintenance waiting mode, and the indoor unit can operate normally.
In any one of the above technical solutions, preferably, when the number of the faults of the dc fans in each outdoor unit is less than the total number of the dc fans in each outdoor unit, the method further includes: and controlling the compressor of the outdoor unit corresponding to the failed direct current fan to operate according to a preset frequency, wherein the preset frequency is smaller than the regulated rated frequency.
In the technical scheme, when the number of the faults of the direct current fans in each outdoor unit is less than the total number of the direct current fans in each outdoor unit, the outdoor unit corresponding to the direct current fan with the fault operates in a maintenance waiting mode, and at this time, because the direct current fan has the fault, the output frequency of the compressor needs to be controlled to adapt to the power of the direct current fan without the fault, and further, the compressor of the outdoor unit corresponding to the direct current fan with the fault operates according to a preset frequency, and the preset frequency is less than the adjusted rated frequency.
In any of the above technical solutions, preferably, the adjusted rated frequency is equal to a product of a rated frequency of normal operation of the compressor and a ratio of the number of the direct current fans without faults to the total number of the direct current fans.
In the technical scheme, the adjusted rated frequency needs to be controlled within a certain range, and further, the adjusted rated frequency of the compressor is equal to the product of the rated frequency of the normal operation of the compressor multiplied by the ratio of the total number of the direct current fans without faults to the total number of the direct current fans. Specifically, when the total number of the direct current fans in the outdoor unit is N (N is more than or equal to 2), a fault occursThe number of the direct current fans is M, the rated frequency of the normal operation of the compressor is P, and the adjusted rated frequency P' is equal to the rated frequency P
A second aspect of the present invention provides a control system for an air conditioner, the air conditioner including at least one indoor unit and at least one outdoor unit, each indoor unit including at least two direct current fans and/or each outdoor unit including at least two direct current fans, the control system comprising: the system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring the fault number of the direct current fans with faults in each indoor unit and/or each outdoor unit; and the control unit is used for controlling the indoor units and/or the outdoor units corresponding to the failed direct current fans to enter a maintenance waiting mode and operate in the maintenance waiting mode when the number of the faults is less than the total number of the direct current fans in each indoor unit and/or each outdoor unit.
In the technical scheme, the air conditioner comprises at least one indoor unit and at least one outdoor unit, each indoor unit comprises at least two direct current fans and/or each outdoor unit comprises at least two direct current fans, wherein the control system comprises an acquisition unit and a control unit, when the direct current fans have faults, the acquisition unit is used for acquiring the number of the direct current fans with faults in each indoor unit and/or each outdoor unit, the number of the direct current fans with faults is compared with the total number of the direct current fans, if the number of the direct current fans with faults is smaller than the total number of the direct current fans, namely all the direct current fans have faults, the control unit is used for controlling the outdoor unit or the indoor unit corresponding to the direct current fan with faults to enter a maintenance waiting mode, and because the direct current fans without faults still exist, the indoor unit or the outdoor unit is controlled to operate in the maintenance waiting mode at the moment, during which the user can still use the air conditioner and can wait for maintenance during this period.
In the above technical solution, preferably, the control system further includes: and the display unit is used for controlling the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to display the maintenance code information.
In this technical scheme, control system still includes the display element, and when direct current fan broke down, the display element is used for controlling the indoor set and/or the off-premises station that the direct current fan that broke down corresponds and shows maintenance code information to the user knows that the air conditioner broke down, in time maintains.
Preferably, when the direct current fan fails, the indoor unit and the outdoor unit simultaneously display the maintenance code information, and the maintenance code information can display the position of the direct current fan to be specifically maintained. For example, the direct current fan at a certain position of the indoor unit is displayed to wait for maintenance or the direct current fan at a certain position of the outdoor unit is displayed to wait for maintenance, thereby providing convenience for maintenance personnel.
In any of the above technical solutions, preferably, the control unit is further configured to control the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to stop operating after a preset time period of operation in the maintenance waiting mode.
In the technical scheme, when the direct current fan of the indoor unit or the outdoor unit has a fault, the indoor unit and the outdoor unit can still operate in the maintenance waiting mode, but the operation in the mode for a long time can affect the cooling and heating functions of the indoor unit or the outdoor unit, so that the control unit is also used for controlling the indoor unit or the outdoor unit to stop operating after operating for a period of time in the maintenance waiting mode, and the service life of the whole air conditioning system is prolonged.
Further, when the direct current fan corresponding to the outdoor unit fails, the control unit controls the outdoor unit to operate for a preset time length in the maintenance waiting mode and then stop operating, and the indoor unit can operate normally.
In any of the above technical solutions, preferably, when the number of the faults of the dc fans in each outdoor unit is less than the total number of the dc fans in each outdoor unit, the control unit is further configured to control the compressors of the outdoor units corresponding to the dc fans with the faults to operate according to a preset frequency, where the preset frequency is less than the adjusted rated frequency.
In the technical scheme, when the number of the faults of the direct current fans in each outdoor unit is less than the total number of the direct current fans in each outdoor unit, the outdoor unit corresponding to the faulty direct current fan operates in a maintenance waiting mode, and at this time, because the direct current fan fails, the output frequency of the compressor needs to be controlled to adapt to the power of the direct current fan which does not fail.
In any of the above technical solutions, preferably, the adjusted rated frequency is equal to a product of a rated frequency of normal operation of the compressor and a ratio of the number of the direct current fans without faults to the total number of the direct current fans.
In the technical scheme, the adjusted rated frequency needs to be controlled within a certain range, and further, the adjusted rated frequency of the compressor is equal to the product of the rated frequency of the normal operation of the compressor multiplied by the ratio of the total number of the direct current fans without faults to the total number of the direct current fans. Specifically, when the total number of the direct current fans in the outdoor unit is N (N is more than or equal to 2), the number of the failed direct current fans is M, the rated frequency of the normal operation of the compressor is P, and the adjusted rated frequency is P' and is equal to P
A third aspect of the invention provides an air conditioner comprising a control system of the air conditioner as set forth in any one of the second aspects of the invention.
The air conditioner according to a third aspect of the present invention includes the control system for an air conditioner according to any one of the second aspect, and therefore has all the advantageous effects of the control system for an air conditioner.
A fourth aspect of the present invention provides a computer apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the control method of the air conditioner according to any one of the first aspect when executing the computer program.
The computer device according to a fourth aspect of the present invention includes the method for controlling an air conditioner according to any one of the first aspect, and therefore has all the advantages of the method for controlling an air conditioner.
A fifth aspect of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the control method of an air conditioner according to any one of the first aspects.
The computer-readable storage medium according to a fifth aspect of the present invention includes the method for controlling an air conditioner according to any one of the first aspect, and therefore has all the advantages of the method for controlling an air conditioner.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 5 is a schematic block diagram illustrating a control system of an air conditioner according to an embodiment of the present invention;
FIG. 6 shows a block schematic diagram of a structure of a computer device according to an embodiment of the invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A control method, a system, an air conditioner, and a computer apparatus of the air conditioner according to some embodiments of the present invention are described below with reference to fig. 1 to 6.
According to an embodiment of a first aspect of the present invention, a control method of an air conditioner is provided.
As shown in fig. 1, a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention is shown, where the air conditioner includes at least one indoor unit and at least one outdoor unit, each indoor unit includes at least two direct current fans and/or each outdoor unit includes at least two direct current fans, and the control method includes:
s102, acquiring the fault number of the direct current fans with faults in each indoor unit and/or each outdoor unit;
and S104, when the number of the faults is less than the total number of the direct current fans in each indoor unit and/or each outdoor unit, controlling the indoor unit and/or the outdoor unit corresponding to the direct current fan with the faults to enter a maintenance waiting mode, and operating in the maintenance waiting mode.
The invention provides a control method of an air conditioner, the air conditioner comprises at least one indoor unit and at least one outdoor unit, each indoor unit comprises at least two direct current fans and/or each outdoor unit comprises at least two direct current fans, wherein, when the direct current fans are in failure, the number of the direct current fans with failure in each indoor unit and/or each outdoor unit is obtained, the number of the direct current fans with failure is compared with the total number of the direct current fans, if the number of the direct current fans with failure is less than the total number of the direct current fans, namely all the direct current fans are not in failure, the outdoor unit or the indoor unit corresponding to the direct current fan with failure is controlled to enter a maintenance waiting mode, and because the direct current fans without failure still exist, the indoor unit or the outdoor unit is controlled to operate in the maintenance waiting mode, during which the user can still use the air conditioner and can wait for maintenance during this period.
Further, the control method of the air conditioner further comprises the following steps: and judging whether the fault number of the direct current fan is smaller than the total number of the direct current fans.
As shown in fig. 2, a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention includes:
s202, acquiring the fault number of the direct current fans with faults in each indoor unit and/or each outdoor unit;
s204, when the number of the faults is smaller than the total number of the direct current fans in each indoor unit and/or each outdoor unit, controlling the indoor unit and/or the outdoor unit corresponding to the direct current fan with the faults to enter a maintenance waiting mode, and operating in the maintenance waiting mode;
and S206, controlling the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to display the maintenance code information.
In this embodiment, when the dc fan fails, the indoor unit and/or the outdoor unit corresponding to the failed dc fan is controlled to display the maintenance code information, so that the user can know that the air conditioner fails and maintain the air conditioner in time.
Preferably, when the direct current fan fails, the indoor unit and the outdoor unit simultaneously display the maintenance code information, and the maintenance code information can display the position of the direct current fan to be specifically maintained. For example, the direct current fan at a certain position of the indoor unit is displayed to wait for maintenance or the direct current fan at a certain position of the outdoor unit is displayed to wait for maintenance, thereby providing convenience for maintenance personnel.
As shown in fig. 3, there is shown a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention, the control method including:
s302, acquiring the fault number of the direct current fans with faults in each indoor unit and/or each outdoor unit;
s304, when the number of the faults is less than the total number of the direct current fans in each indoor unit and/or each outdoor unit, controlling the indoor unit and/or the outdoor unit corresponding to the direct current fan with the faults to enter a maintenance waiting mode, and operating in the maintenance waiting mode;
s306, controlling the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to display maintenance code information;
and S308, controlling the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to operate for a preset time length in a maintenance waiting mode and then stopping operation.
In this embodiment, when the dc fan of the indoor unit or the outdoor unit fails, the indoor unit and the outdoor unit can still operate in the maintenance waiting mode, but the cooling and heating functions of the indoor unit or the outdoor unit are affected by the long-time operation in this mode, so the indoor unit or the outdoor unit is controlled to operate for a period of time in the maintenance waiting mode and then stop operating, so as to prolong the service life of the whole air conditioning system.
Further, when the direct current fan corresponding to the outdoor unit fails, the outdoor unit stops operating after a preset time period in the maintenance waiting mode, and the indoor unit can operate normally.
As shown in fig. 4, a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention includes:
s402, acquiring the number of faults of the direct current fans with faults in each outdoor unit;
s404, when the number of the faults is smaller than the total number of the direct current fans in each outdoor unit, controlling the outdoor unit corresponding to the direct current fan with the fault to enter a maintenance waiting mode, and operating in the maintenance waiting mode;
s406, controlling a compressor of an outdoor unit corresponding to the failed direct current fan to operate according to a preset frequency, wherein the preset frequency is smaller than the regulated rated frequency;
s408, controlling the outdoor unit corresponding to the failed direct current fan to display maintenance code information;
and S410, controlling the outdoor unit corresponding to the failed direct current fan to operate for a preset time length in a maintenance waiting mode and then stopping operation.
In this embodiment, when the number of the direct current fans in each outdoor unit that have a fault is less than the total number of the direct current fans in each outdoor unit, the outdoor unit corresponding to the direct current fan that has the fault operates in the maintenance waiting mode, and at this time, because a direct current fan has a fault, the output frequency of the compressor needs to be controlled to adapt to the power of the direct current fan that has not a fault, further, the compressor of the outdoor unit corresponding to the direct current fan that has the fault is controlled to operate according to the preset frequency, and the preset frequency is less than the adjusted rated frequency.
In any of the above embodiments, preferably, the adjusted rated frequency is equal to the product of the rated frequency of the normal operation of the compressor and the ratio of the number of the direct current fans which are not in failure to the total number.
In this embodiment, the adjusted rated frequency needs to be controlled within a certain range, and further, the adjusted rated frequency of the compressor is equal to the product of the rated frequency of the normal operation of the compressor multiplied by the ratio of the number of the direct current fans without faults to the total number of the direct current fans. Specifically, when the total number of the direct current fans in the outdoor unit is N (N is more than or equal to 2), the number of the failed direct current fans is M, the rated frequency of the normal operation of the compressor is P, and the adjusted rated frequency is P' and is equal to P
In a specific embodiment, the air conditioning system may include an outdoor unit and a plurality of indoor units, or a plurality of indoor units correspond to a plurality of outdoor units, wherein each indoor unit and each outdoor unit may have a plurality of dc fan systems, hereinafter, an example is given where an outdoor unit corresponds to a plurality of indoor units, and an indoor unit has a system of N (N ≧ 2) dc fans, when M (M < N) fans fail, the outdoor unit enters a maintenance waiting mode in which the outdoor unit can operate and the indoor unit operates normally, but the operating frequency of the compressor is lower than the adjusted rated frequency, the adjusted rated frequency is equal to the product of the normal operating rated frequency and (N-M)/N, and the indoor unit and/or the outdoor unit displays a code to be maintained, and after the maintenance waiting mode operates for a preset duration, the outdoor unit corresponding to the failed dc fan stops operating, wherein the preset time is preferably 3 days; each indoor unit is provided with a system with N (N is more than or equal to 2) direct current fans, when M (M is less than N) fans have faults, the outdoor indoor unit enters a maintenance waiting mode, the indoor unit can operate in the mode, the outdoor unit normally operates, the indoor unit displays a code to be maintained, and after the mode operates for a preset time, the indoor unit corresponding to the fault direct current fan reports the fault and stops operating, wherein the preset time is preferably 3 days.
In a second aspect, the present invention provides a control system 5 for an air conditioner, the air conditioner includes at least one indoor unit and at least one outdoor unit, each indoor unit includes at least two dc fans and/or each outdoor unit includes at least two dc fans, the control system includes: an obtaining unit 50, configured to obtain the number of faults of the dc fans having faults in each indoor unit and/or each outdoor unit; and the control unit 52 is configured to, when the number of faults is smaller than the total number of the dc fans in each indoor unit and/or each outdoor unit, control the indoor unit and/or the outdoor unit corresponding to the dc fan with the fault to enter a maintenance waiting mode, and operate in the maintenance waiting mode.
As shown in fig. 5, in this embodiment, the air conditioner includes at least one indoor unit and at least one outdoor unit, each indoor unit includes at least two direct current fans and/or each outdoor unit includes at least two direct current fans, wherein the control system includes an obtaining unit 50 and a control unit 52, when a direct current fan fails, the obtaining unit 50 is configured to obtain the number of failed direct current fans in each indoor unit and/or each outdoor unit, compare the number of failed direct current fans with the total number of direct current fans, if the number of failed direct current fans is less than the total number of direct current fans, that is, if all direct current fans fail, the control unit 52 is configured to control the outdoor unit or the indoor unit corresponding to the failed direct current fan to enter a standby maintenance mode, and because there are still non-failed direct current fans, the indoor unit or the outdoor unit is controlled to operate in the maintenance waiting mode at this time, during which the user can still use the air conditioner and can wait for maintenance during this period.
In the above embodiment, preferably, the control system further includes: and the display unit 54 is used for controlling the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to display the maintenance code information.
In this embodiment, the control system further includes a display unit 54, and when the dc fan fails, the display unit 54 is configured to control the indoor unit and/or the outdoor unit corresponding to the failed dc fan to display the maintenance code information, so that the user can know that the air conditioner fails and maintain the air conditioner in time.
Preferably, when the direct current fan fails, the indoor unit and the outdoor unit simultaneously display the maintenance code information, and the maintenance code information can display the position of the direct current fan to be specifically maintained. For example, the direct current fan at a certain position of the indoor unit is displayed to wait for maintenance or the direct current fan at a certain position of the outdoor unit is displayed to wait for maintenance, thereby providing convenience for maintenance personnel.
In any of the above embodiments, preferably, the control unit 52 is further configured to control the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to stop operating after operating for a preset time period in the maintenance waiting mode.
In this embodiment, when the dc fan of the indoor unit or the outdoor unit fails, the indoor unit and the outdoor unit can still operate in the maintenance waiting mode, but the cooling and heating functions of the indoor unit or the outdoor unit are affected by the operation in this mode for a long time, so the control unit 52 is further configured to control the operation of the indoor unit or the outdoor unit to stop after the operation in the maintenance waiting mode for a certain period of time, so as to prolong the service life of the whole air conditioning system.
Further, when the dc fan corresponding to the outdoor unit fails, the control unit 52 controls the outdoor unit to operate for a preset time period in the maintenance waiting mode and then stop operating, and the indoor unit can operate normally, and similarly, when the dc fan corresponding to the indoor unit fails, the control unit 52 controls the indoor unit to operate for a preset time period in the maintenance waiting mode and then stop operating, and the outdoor unit can operate normally.
In any of the above embodiments, preferably, when the number of the failed direct current fans in each outdoor unit is less than the total number of the direct current fans in each outdoor unit, the control unit 52 is further configured to control the compressors of the outdoor units corresponding to the failed direct current fans to operate according to a preset frequency, where the preset frequency is less than the adjusted rated frequency.
In this embodiment, when the number of the failed direct current fans in each outdoor unit is less than the total number of the direct current fans in each outdoor unit, the outdoor unit corresponding to the failed direct current fan operates in the maintenance waiting mode, and at this time, because the direct current fan fails, the output frequency of the compressor needs to be controlled to adapt to the power of the direct current fan that does not fail, further, the control unit 52 is further configured to control the compressor of the outdoor unit corresponding to the failed direct current fan to operate according to the preset frequency, where the preset frequency is less than the adjusted rated frequency.
In any of the above embodiments, preferably, the adjusted rated frequency is equal to the product of the rated frequency of the normal operation of the compressor and the ratio of the number of the direct current fans which are not in failure to the total number.
In this embodiment, the adjusted rated frequency needs to be controlled within a certain range, and further, the adjusted rated frequency of the compressor is equal to the product of the rated frequency of the normal operation of the compressor multiplied by the ratio of the number of the direct current fans without faults to the total number of the direct current fans. Specifically, when the total number of the direct current fans in the outdoor unit is N (N is more than or equal to 2), the number of the failed direct current fans is M, the rated frequency of the normal operation of the compressor is P, and the adjusted rated frequency is P' and is equal to P
A third aspect of the invention provides an air conditioner comprising a control system 5 of the air conditioner according to any one of the second aspects of the invention.
The air conditioner (not shown in the figures) provided by the third aspect of the present invention has all the advantages of the control system 5 of the air conditioner, because the control system 5 of the air conditioner according to any embodiment of the second aspect is included.
A fourth aspect of the present invention provides a computer device 6 comprising a memory 60, a processor 62 and a computer program stored on the memory 60 and executable on the processor 62, the processor 62 implementing the steps of the method for controlling an air conditioner according to any one of the first aspect when executing the computer program.
As shown in fig. 6, the computer device 6 according to the fourth aspect of the present invention includes the method for controlling an air conditioner according to any one of the embodiments of the first aspect, and therefore has all the advantages of the method for controlling an air conditioner.
A fifth aspect of the present invention provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor 62, implements the steps of the control method of an air conditioner according to any one of the first aspects.
The computer-readable storage medium according to a fifth aspect of the present invention includes the method for controlling an air conditioner according to any of the embodiments of the first aspect, and therefore has all the advantages of the method for controlling an air conditioner.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A control method of an air conditioner is characterized in that the air conditioner comprises at least one indoor unit and at least one outdoor unit, each indoor unit comprises at least two direct current fans and/or each outdoor unit comprises at least two direct current fans, and the control method comprises the following steps:
acquiring the fault number of the direct current fan with faults in each indoor unit and/or each outdoor unit;
when the number of the faults is smaller than the total number of the direct current fans in each indoor unit and/or each outdoor unit, controlling the indoor unit and/or the outdoor unit corresponding to the direct current fan with the fault to enter a maintenance waiting mode, and operating in the maintenance waiting mode;
controlling the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to operate for a preset time in the maintenance waiting mode and then stop operating;
when the fault number of the direct current fans in each outdoor unit is smaller than the total number of the direct current fans in each outdoor unit, controlling the compressors of the outdoor units corresponding to the direct current fans with faults to operate according to a preset frequency, wherein the preset frequency is smaller than the regulated rated frequency;
wherein the adjusted rated frequency is equal to the product of the rated frequency of the normal operation of the compressor and the ratio of the number of the direct current fans which are not in failure to the total number.
2. The control method of an air conditioner according to claim 1, further comprising:
and controlling the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to display maintenance code information.
3. A control system of an air conditioner, the air conditioner includes at least one indoor unit and at least one outdoor unit, each indoor unit includes at least two direct current fans and/or each outdoor unit includes at least two direct current fans, the control system includes:
an obtaining unit, configured to obtain a number of failures of the dc fans having a failure in each indoor unit and/or each outdoor unit;
the control unit is used for controlling the indoor units and/or the outdoor units corresponding to the direct current fans with faults to enter a maintenance waiting mode and operate in the maintenance waiting mode when the number of the faults is smaller than the total number of the direct current fans in each indoor unit and/or each outdoor unit;
the control unit is further used for controlling the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to stop running after running for a preset time length in the maintenance waiting mode;
when the fault number of the direct current fans in each outdoor unit is smaller than the total number of the direct current fans in each outdoor unit, the control unit is further configured to control compressors of the outdoor units corresponding to the direct current fans with faults to operate according to a preset frequency, and the preset frequency is smaller than the adjusted rated frequency;
wherein the adjusted rated frequency is equal to the product of the rated frequency of the normal operation of the compressor and the ratio of the number of the direct current fans which are not in failure to the total number.
4. The control system of an air conditioner according to claim 3, further comprising:
and the display unit is used for controlling the indoor unit and/or the outdoor unit corresponding to the failed direct current fan to display the maintenance code information.
5. An air conditioner characterized by comprising the control system of the air conditioner as claimed in claim 3 or 4.
6. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the control method of the air conditioner according to claim 1 or 2 when executing the computer program.
7. A computer-readable storage medium on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the control method of an air conditioner according to claim 1 or 2.
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| CN109737565A (en) * | 2018-12-26 | 2019-05-10 | 青岛海尔空调电子有限公司 | Operation control method for indoor unit of air conditioner |
| CN111121176B (en) * | 2020-01-19 | 2022-03-18 | 青岛海信日立空调系统有限公司 | Air condensing units and air conditioner |
| CN113587212A (en) * | 2021-07-26 | 2021-11-02 | 珠海格力电器股份有限公司 | One-driving-two air conditioner outdoor unit structure, air conditioner and control method thereof |
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| CN107975924A (en) * | 2017-11-07 | 2018-05-01 | 珠海格力电器股份有限公司 | Fan starting control method of multi-fan air conditioning system and air conditioning system |
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| CN203907814U (en) * | 2014-05-30 | 2014-10-29 | 美的集团武汉制冷设备有限公司 | Air-conditioner |
| CN104197466B (en) * | 2014-08-08 | 2017-01-18 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN104314796A (en) * | 2014-10-21 | 2015-01-28 | 芜湖美智空调设备有限公司 | Compressor frequency controlling method, compressor frequency controlling device and air conditioner |
| CN105823126A (en) * | 2016-03-25 | 2016-08-03 | 广东欧科空调制冷有限公司 | Air conditioner |
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| CN107975924A (en) * | 2017-11-07 | 2018-05-01 | 珠海格力电器股份有限公司 | Fan starting control method of multi-fan air conditioning system and air conditioning system |
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