CN110131845B - Air conditioner, control method thereof and computer readable storage medium - Google Patents
Air conditioner, control method thereof and computer readable storage medium Download PDFInfo
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- CN110131845B CN110131845B CN201910431447.7A CN201910431447A CN110131845B CN 110131845 B CN110131845 B CN 110131845B CN 201910431447 A CN201910431447 A CN 201910431447A CN 110131845 B CN110131845 B CN 110131845B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
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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
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Abstract
The invention provides an air conditioner, a control method thereof and a computer readable storage medium, wherein the air conditioner comprises a plurality of outdoor units, the outdoor units comprise compressors, and the air conditioner further comprises: a memory for storing a computer program; a processor for executing a computer program to implement: acquiring operation parameters of a compressor corresponding to any outdoor unit; comparing the operation parameters with the operation parameter range of the compressor, and coding the corresponding outdoor unit according to the comparison result; and controlling the coded outdoor units to perform alternate operation according to the alternate sequence. The air conditioner provided by the invention has the advantages that the outdoor units are coded according to the current running state, and the coded outdoor units are controlled to run alternately according to the alternating sequence, so that the parallel multi-split air conditioning unit is optimized in low-load alternating running, the reliability of the system is ensured to be always in the optimal state, the service life of the unit is prolonged, and the resource utilization rate is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner, a control method of the air conditioner and a computer readable storage medium.
Background
In order to prolong the service life of the parallel multi-split air conditioning unit and prevent the long-term operation loss of a single outdoor unit module, the current general technology is to make the parallel units operate intermittently, and although the mode can meet the requirements of users, the mode is not favorable for improving the energy efficiency and the reliability of the system operation.
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 invention provides an air conditioner.
A second aspect of the present invention is to provide a control method of an air conditioner.
A third aspect of the present invention is to provide a computer-readable storage medium.
In view of the above, according to one aspect of the present invention, there is provided an air conditioner including a plurality of outdoor units including a compressor, the air conditioner including: a memory for storing a computer program; a processor for executing a computer program to implement: acquiring the operating parameters of a compressor corresponding to any outdoor unit through a sensor; the processor compares the operation parameters with the operation parameter range corresponding to the compressor, and encodes the corresponding outdoor unit according to the comparison result; and controlling the coded outdoor units to perform alternate operation according to the alternate sequence.
The air conditioner provided by the invention is mainly used for a parallel multi-connected air conditioner, a parallel unit generally comprises a plurality of outdoor units with different or same configurations, when the air conditioner is in low-load operation, the running frequencies of compressors of the outdoor units with different configurations are different, parameters such as the exhaust pressure, the return pressure, the compression ratio, the exhaust temperature and the like of a system are different, real-time running parameters of each compressor in the outdoor units are obtained through a sensor, the current running state of the corresponding outdoor unit is determined after the real-time running parameters are compared with the running parameter range corresponding to the compressor, the outdoor units are coded according to the current running state, the running state of all the outdoor units is confirmed and coded, the coded outdoor units are controlled to run alternately according to the alternating sequence, and further the optimization of the parallel multi-connected air conditioner on low-load alternating operation is realized, the reliability of the system is guaranteed to be always in the optimal state, the service life of the unit is prolonged, and the resource utilization rate is improved.
In addition, according to the air conditioner in the above technical solution provided by the present invention, the following additional technical features may be further provided:
in the above technical solution, preferably, the operation parameter range corresponding to the compressor includes a limit operation range, a limited operation range and a reliable operation range; the codes corresponding to the limit operation range, the limited operation range and the reliable operation range are M1, M2 and M3 in sequence.
In the technical scheme, the operation parameter range corresponding to the compressor is divided into a limit operation range, a limited operation range and a reliable operation range according to the operation state of the compressor, wherein the limit operation range indicates that the operation state of the compressor is in the limit state and needs to be stopped; the limited operation range means that the operation state of the compressor is moderate and is in a limited condition operable state; the reliable operation range represents that the operation state of the compressor is in a stable operation state and can be continuously operated; the outdoor units corresponding to different compressors within the operation parameter range are coded to determine the range of each compressor, and then the outdoor units in the limited operation range and the reliable operation range are controlled to alternately operate, so that the small-load alternate operation of the parallel multi-connected air conditioning unit is optimized, the most efficient alternate scheme is determined, the parallel system is always in the optimal operation parameter state when in small-load operation, the energy efficiency of the system when in small-load operation is improved, the higher reliability of the system parts is ensured, the service life of the unit is prolonged, and the operation cost is reduced. Specifically, codes corresponding to the limit operation range, the limited operation range and the reliable operation range are M1, M2 and M3 in sequence.
In any of the above technical solutions, preferably, the processor is configured to execute a computer program to implement a step of controlling the encoded outdoor units to perform rotation operation according to a rotation sequence, and specifically includes: setting corresponding alternate operation time lengths for outdoor units corresponding to different codes; controlling the outdoor unit to perform alternate operation according to the alternate sequence and the alternate operation time length; the rotation running time length corresponding to the M1 is less than the rotation running time length corresponding to the M2, and the rotation running time length corresponding to the M2 is less than the rotation running time length corresponding to the M3.
In the technical scheme, the corresponding alternate operation time is set for the outdoor unit in the operation parameter range corresponding to different compressors, and the appropriate alternate operation time is determined according to the operation state of the compressors, so that the optimal design of the alternate operation of the whole system is realized, the service life of the compressors is prolonged, the operation stability of the whole system is ensured, and the whole system is in the optimal operation state. Specifically, the rotation operation duration of the outdoor unit corresponding to the code M1 is 0, and the rotation operation duration of the outdoor unit corresponding to the code M2 is smaller than the rotation operation duration of the outdoor unit corresponding to the code M3. The rotation operation time length of the outdoor unit with the code M3 in the reliable operation range may be an initial rotation time length or may be set by a user, the value of the rotation operation time length of the outdoor unit with the code M2 is 1/4 to 3/4 of the rotation operation time length corresponding to M3, and the shortening ratio may be specifically selected according to the operation state of the outdoor unit.
In any of the above technical solutions, preferably, the processor is configured to execute the computer program to further implement: acquiring the running number of the indoor units in a running state, and stopping alternate running based on the change of the running number; or acquiring the running load of the air conditioner, and stopping alternate running based on the fact that the running load exceeds a preset load value.
In the technical scheme, if the number of the indoor units is changed or the operation load exceeds a preset load value, so that the system needs to start more than two outdoor units, the alternate operation is stopped; otherwise, the alternate operation is continued all the time, so that the operation mode can be timely adjusted when the user adjusts the function mode or outputs the requirement, the use requirement of the user can be met, unnecessary power consumption is reduced, and the operation cost is reduced.
In any of the above solutions, preferably, the operation parameter includes at least one of the following: the operation frequency, the exhaust pressure, the return air pressure, the compression ratio and the exhaust temperature; the processor is configured to execute a computer program to compare the operation parameter with an operation parameter range corresponding to the compressor, and the step of encoding the corresponding outdoor unit according to the comparison result specifically includes: encoding the corresponding outdoor unit as M1 based on at least one operation parameter being in the limit operation range; encoding the corresponding outdoor unit as M2 based on at least one operation parameter being in a limited operation range; based on all the operation parameters being in the reliable operation range, the corresponding outdoor unit is encoded as M3.
In this solution, the operating parameter includes at least one of the following: the outdoor unit is controlled to stop running if any one of the running frequency, the discharge pressure, the return pressure, the compression ratio and the discharge temperature is in the limit running range, and the code of the outdoor unit is M1; if any one of all the operation parameters is in the limited operation range and none of the operation parameters is in the limited operation range, the corresponding outdoor unit code is M2; all the operation parameters are in the reliable operation range, the corresponding outdoor unit code is M3, the alternate operation time length of the outdoor unit code is kept unchanged, the alternate operation time length corresponding to the code M2 is smaller than the alternate operation time length corresponding to the code M3, the operation parameter range corresponding to the compressor where the outdoor unit is located is divided through the proper operation parameter number, the operation state of the outdoor unit is guaranteed to be optimal, the parallel system is always guaranteed to be always kept in the optimal operation parameter state when the parallel system operates under a small load, the higher reliability of the compressor is guaranteed, and the service life of the unit is prolonged.
In any of the above technical solutions, preferably, the operating parameter range corresponding to the compressor is a compressor operating range diagram; or the limit operation range in the operation parameter range corresponding to the compressor is 1% of the rated operation parameter value to 5% of the rated operation parameter value.
In the technical scheme, the operation parameter range corresponding to the compressor can be an operation range diagram corresponding to the compressor provided in factory, and the operation range diagram corresponding to the compressor is divided into a limit operation surrounding area, a limited operation range area and a reliable operation range area; or the corresponding operating parameter range of the compressor may be a rated operating parameter range given for any one operating parameter, and given for different divided regions, different specific column coefficients multiplied by the rated operating parameter, specifically, for example, the limit operating range is 1% of the rated operating parameter value to 5% of the rated operating parameter value. The real-time operation parameters of the compressor are guaranteed to meet the requirements of factory rated operation parameters of the compressor, so that the operation reliability of the whole machine is guaranteed, the whole operation system is optimized, and the service life is prolonged.
In any of the above technical solutions, preferably, the rotation sequence is sorted from large to small according to the cooling capacities of the plurality of outdoor units; or the rotation sequence is that the outdoor units are sequenced from small to large according to the refrigerating capacity of the outdoor units.
In the technical scheme, the outdoor units are sequenced according to the refrigeration capacity corresponding to the outdoor units and are used as the outdoor units after the alternate sequencing control codes are classified to alternately operate, so that the parallel system always keeps the optimal operating parameter state during low-load operation, the system energy efficiency during low-load operation is improved, the higher reliability of system parts is ensured, the service life of the unit is prolonged, and the operation cost is reduced.
According to a second aspect of the present invention, there is provided a control method of an air conditioner including a plurality of outdoor units including compressors, the control method comprising: acquiring operation parameters of a compressor corresponding to any outdoor unit; comparing the operation parameters with the operation parameter range corresponding to the compressor, and coding the corresponding outdoor unit according to the comparison result; and controlling the coded outdoor units to perform alternate operation according to the alternate sequence.
The invention provides a control method of an air conditioner, which is mainly used for a parallel multi-connected air conditioner, wherein a parallel unit generally comprises a plurality of outdoor units with different or same configurations, when the air conditioner is in low-load operation, the running frequencies of compressors of the outdoor units with different configurations are different, parameters such as the exhaust pressure, the return pressure, the compression ratio, the exhaust temperature and the like of a system are different, the current running state of the corresponding outdoor unit is determined by obtaining the real-time running parameter of each compressor in the outdoor units and comparing the real-time running parameter with the running parameter range corresponding to the compressor, the outdoor units are coded according to the current running state, the running state of all the outdoor units is confirmed and coded, the coded outdoor units are controlled to run alternately according to the alternating sequence, and further the optimization of the parallel multi-connected air conditioner in low-load alternating operation is realized, the reliability of the system is guaranteed to be always in the optimal state, the service life of the unit is prolonged, and the resource utilization rate is improved.
In addition, according to the control method of the air conditioner in the above technical solution provided by the present invention, the following additional technical features may be further provided:
in the above technical solution, preferably, the operation parameter range corresponding to the compressor includes a limit operation range, a limited operation range and a reliable operation range; the codes corresponding to the limit operation range, the limited operation range and the reliable operation range are M1, M2 and M3 in sequence.
In the technical scheme, the operation parameter range corresponding to the compressor is divided into a limit operation range, a limited operation range and a reliable operation range according to the operation state of the compressor, wherein the limit operation range indicates that the operation state of the compressor is in the limit state and needs to be stopped; the limited operation range means that the operation state of the compressor is moderate and is in a limited condition operable state; the reliable operation range represents that the operation state of the compressor is in a stable operation state and can be continuously operated; the outdoor units corresponding to different compressors within the operation parameter range are coded to determine the range of each compressor, and then the outdoor units in the limited operation range and the reliable operation range are controlled to alternately operate, so that the small-load alternate operation of the parallel multi-connected air conditioning unit is optimized, the most efficient alternate scheme is determined, the parallel system is always in the optimal operation parameter state when in small-load operation, the energy efficiency of the system when in small-load operation is improved, the higher reliability of the system parts is ensured, the service life of the unit is prolonged, and the operation cost is reduced. Specifically, codes corresponding to the limit operation range, the limited operation range and the reliable operation range are M1, M2 and M3 in sequence.
In any of the above technical solutions, preferably, the step of controlling the outdoor units classified by codes to perform rotation operation according to a rotation order specifically includes: setting corresponding alternate operation time lengths for outdoor units corresponding to different codes; controlling the outdoor unit to perform alternate operation according to the alternate operation time length; the rotation running time length corresponding to the M1 is less than the rotation running time length corresponding to the M2, and the rotation running time length corresponding to the M2 is less than the rotation running time length corresponding to the M3.
In the technical scheme, the corresponding alternate operation time is set for the outdoor unit in the operation parameter range corresponding to different compressors, and the appropriate alternate operation time is determined according to the operation state of the compressors, so that the optimal design of the alternate operation of the whole system is realized, the service life of the compressors is prolonged, the operation stability of the whole system is ensured, and the whole system is in the optimal operation state. Specifically, the rotation operation duration of the outdoor unit corresponding to the code M1 is 0, and the rotation operation duration of the outdoor unit corresponding to the code M2 is smaller than the rotation operation duration of the outdoor unit corresponding to the code M3. The rotation operation time length of the outdoor unit with the code M3 in the reliable operation range may be an initial rotation time length or may be set by a user, the value of the rotation operation time length of the outdoor unit with the code M2 is 1/4 to 3/4 of the rotation operation time length corresponding to M3, and the shortening ratio may be specifically selected according to the operation state of the outdoor unit.
In any of the above technical solutions, preferably, the method further includes: acquiring the running number of the indoor units in a running state, and stopping alternate running based on the change of the running number; or acquiring the running load of the air conditioner, and stopping alternate running based on the fact that the running load exceeds a preset load value.
In the technical scheme, if the number of the indoor units is changed or the operation load exceeds a preset load value, so that the system needs to start more than two outdoor units, the alternate operation is stopped; otherwise, the alternate operation is continued all the time, so that the operation mode can be timely adjusted when the user adjusts the function mode or outputs the requirement, the use requirement of the user can be met, unnecessary power consumption is reduced, and the operation cost is reduced.
In any of the above solutions, preferably, the operation parameter includes at least one of the following: the operation frequency, the exhaust pressure, the return air pressure, the compression ratio and the exhaust temperature; comparing the operation parameters with the operation parameter range corresponding to the compressor, and classifying the codes of the corresponding outdoor units according to the comparison result specifically comprises the following steps: encoding the corresponding outdoor unit as M1 based on at least one operation parameter being in the limit operation range; encoding the corresponding outdoor unit as M2 based on at least one operation parameter being in a limited operation range; based on all the operation parameters being in the reliable operation range, the corresponding outdoor unit is encoded as M3.
In this solution, the operating parameter includes at least one of the following: the outdoor unit is controlled to stop running if any one of the running frequency, the discharge pressure, the return pressure, the compression ratio and the discharge temperature is in the limit running range, and the code of the outdoor unit is M1; if any one of all the operation parameters is in the limited operation range and none of the operation parameters is in the limited operation range, the corresponding outdoor unit code is M2; all the operation parameters are in the reliable operation range, the corresponding outdoor unit code is M3, the alternate operation time length of the outdoor unit code is kept unchanged, the alternate operation time length corresponding to the code M2 is smaller than the alternate operation time length corresponding to the code M3, the operation parameter range corresponding to the compressor where the outdoor unit is located is divided through the proper operation parameter number, the operation state of the outdoor unit is guaranteed to be optimal, the parallel system is always guaranteed to be always kept in the optimal operation parameter state when the parallel system operates under a small load, the higher reliability of the compressor is guaranteed, and the service life of the unit is prolonged.
In any of the above technical solutions, preferably, the operating parameter range corresponding to the compressor is a compressor operating range diagram; or the limit operation range in the operation parameter range corresponding to the compressor is 1% of the rated operation parameter value to 5% of the rated operation parameter value.
In the technical scheme, the operation parameter range corresponding to the compressor can be an operation range diagram corresponding to the compressor provided in factory, and the operation range diagram corresponding to the compressor is divided into a limit operation surrounding area, a limited operation range area and a reliable operation range area; or the corresponding operating parameter range of the compressor may be a rated operating parameter range given for any one operating parameter, and given for different divided regions, different specific column coefficients multiplied by the rated operating parameter, specifically, for example, the limit operating range is 1% of the rated operating parameter value to 5% of the rated operating parameter value. The real-time operation parameters of the compressor are guaranteed to meet the requirements of factory rated operation parameters of the compressor, so that the operation reliability of the whole machine is guaranteed, the whole operation system is optimized, and the service life is prolonged.
In any of the above technical solutions, preferably, the rotation sequence is sorted from large to small according to the cooling capacities of the plurality of outdoor units; or the rotation sequence is that the outdoor units are sequenced from small to large according to the refrigerating capacity of the outdoor units.
In the technical scheme, the outdoor units are sequenced according to the refrigeration capacity corresponding to the outdoor units and are used as the outdoor units after the alternate sequencing control codes are classified to alternately operate, so that the parallel system always keeps the optimal operating parameter state during low-load operation, the system energy efficiency during low-load operation is improved, the higher reliability of system parts is ensured, the service life of the unit is prolonged, and the operation cost is reduced.
According to a third aspect of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed, implements the control method of the air conditioner as described above. Therefore, all the beneficial effects of the control method of the air conditioner with any one of the above technical solutions are not described herein again.
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 shows a schematic block diagram 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 still another embodiment of the present invention;
fig. 4 is a flowchart illustrating a control method of an air conditioner according to still another embodiment of the present invention;
fig. 5 is a flowchart illustrating a method for controlling an air conditioner according to an embodiment of the present 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.
An air conditioner, a control method of the air conditioner according to some embodiments of the present invention will be described below with reference to fig. 1 to 5.
According to an embodiment of the present invention, there is provided an air conditioner 100 including a plurality of outdoor units including a compressor, as shown in fig. 1, the air conditioner 100 including: a memory 102 for storing a computer program; a processor 104 for executing a computer program to implement: acquiring the operating parameters of a compressor corresponding to any outdoor unit through a sensor; the processor 104 compares the operation parameters with the operation parameter ranges corresponding to the compressors, and encodes the corresponding outdoor units according to the comparison result; and controlling the coded outdoor units to perform alternate operation according to the alternate sequence.
The air conditioner provided by the invention is mainly used for a parallel multi-connected air conditioner, a parallel unit generally comprises a plurality of outdoor units with different or same configurations, when the air conditioner is in low-load operation, the running frequencies of compressors of the outdoor units with different configurations are different, parameters such as the exhaust pressure, the return pressure, the compression ratio, the exhaust temperature and the like of a system are different, real-time running parameters of each compressor in the outdoor units are obtained through a sensor, the current running state of the corresponding outdoor unit is determined after the real-time running parameters are compared with the running parameter range corresponding to the compressor, the outdoor units are coded according to the current running state, the running state of all the outdoor units is confirmed and coded, the coded outdoor units are controlled to run alternately according to the alternating sequence, and further the optimization of the parallel multi-connected air conditioner on low-load alternating operation is realized, the reliability of the system is guaranteed to be always in the optimal state, the service life of the unit is prolonged, and the resource utilization rate is improved.
In one embodiment of the present invention, preferably, the corresponding operating parameter ranges of the compressor include an extreme operating range, a limited operating range and a reliable operating range; the codes corresponding to the limit operation range, the limited operation range and the reliable operation range are M1, M2 and M3 in sequence.
In the embodiment, the operation parameter range corresponding to the compressor is divided into a limit operation range, a limited operation range and a reliable operation range according to the operation state of the compressor, wherein the limit operation range indicates that the operation state of the compressor is in the limit state and needs to be stopped; the limited operation range means that the operation state of the compressor is moderate and is in a limited condition operable state; the reliable operation range represents that the operation state of the compressor is in a stable operation state and can be continuously operated; the outdoor units corresponding to different compressors within the operation parameter range are coded to determine the range of each compressor, and then the outdoor units in the limited operation range and the reliable operation range are controlled to alternately operate, so that the small-load alternate operation of the parallel multi-connected air conditioning unit is optimized, the most efficient alternate scheme is determined, the parallel system is always in the optimal operation parameter state when in small-load operation, the energy efficiency of the system when in small-load operation is improved, the higher reliability of the system parts is ensured, the service life of the unit is prolonged, and the operation cost is reduced. Specifically, codes corresponding to the limit operation range, the limited operation range and the reliable operation range are M1, M2 and M3 in sequence.
In an embodiment of the present invention, preferably, the processor is configured to execute a computer program to implement a step of controlling the encoded outdoor units to perform rotation operation according to a rotation sequence, and specifically includes: setting corresponding alternate operation time lengths for outdoor units corresponding to different codes; controlling the outdoor unit to perform alternate operation according to the alternate sequence and the alternate operation time length; the rotation running time length corresponding to the M1 is less than the rotation running time length corresponding to the M2, and the rotation running time length corresponding to the M2 is less than the rotation running time length corresponding to the M3.
In the embodiment, the corresponding alternate operation time is set for the outdoor unit in the operation parameter range corresponding to different compressors, and the appropriate alternate operation time is determined according to the operation state of the compressors, so that the optimal design of the alternate operation of the whole system is realized, the service life of the compressors is prolonged, the operation stability of the whole system is ensured, and the whole system is in the optimal operation state. Specifically, the rotation operation duration of the outdoor unit corresponding to the code M1 is 0, and the rotation operation duration of the outdoor unit corresponding to the code M2 is smaller than the rotation operation duration of the outdoor unit corresponding to the code M3. The rotation operation time length of the outdoor unit with the code M3 in the reliable operation range may be an initial rotation time length or may be set by a user, the value of the rotation operation time length of the outdoor unit with the code M2 is 1/4 to 3/4 of the rotation operation time length corresponding to M3, and the shortening ratio may be specifically selected according to the operation state of the outdoor unit.
In one embodiment of the present invention, preferably, the processor is configured to execute the computer program to further implement: acquiring the running number of the indoor units in a running state, and stopping alternate running based on the change of the running number; or acquiring the running load of the air conditioner, and stopping alternate running based on the fact that the running load exceeds a preset load value.
In this embodiment, if the number of the indoor units changes or the operation load exceeds the preset load value, so that the system needs to start more than two outdoor units, the alternate operation is stopped; otherwise, the alternate operation is continued all the time, so that the operation mode can be timely adjusted when the user adjusts the function mode or outputs the requirement, the use requirement of the user can be met, unnecessary power consumption is reduced, and the operation cost is reduced.
In one embodiment of the present invention, preferably, the operating parameters include at least one of: the operation frequency, the exhaust pressure, the return air pressure, the compression ratio and the exhaust temperature; the processor is configured to execute a computer program to compare the operation parameter with an operation parameter range corresponding to the compressor, and the step of encoding the corresponding outdoor unit according to the comparison result specifically includes: encoding the corresponding outdoor unit as M1 based on at least one operation parameter being in the limit operation range; encoding the corresponding outdoor unit as M2 based on at least one operation parameter being in a limited operation range; based on all the operation parameters being in the reliable operation range, the corresponding outdoor unit is encoded as M3.
In this embodiment, the operating parameters include at least one of: the outdoor unit is controlled to stop running if any one of the running frequency, the discharge pressure, the return pressure, the compression ratio and the discharge temperature is in the limit running range, and the code of the outdoor unit is M1; if any one of all the operation parameters is in the limited operation range and none of the operation parameters is in the limited operation range, the corresponding outdoor unit code is M2; all the operation parameters are in the reliable operation range, the corresponding outdoor unit code is M3, the alternate operation time length of the outdoor unit code is kept unchanged, the alternate operation time length corresponding to the code M2 is smaller than the alternate operation time length corresponding to the code M3, the operation parameter range corresponding to the compressor where the outdoor unit is located is divided through the proper operation parameter number, the operation state of the outdoor unit is guaranteed to be optimal, the parallel system is always guaranteed to be always kept in the optimal operation parameter state when the parallel system operates under a small load, the higher reliability of the compressor is guaranteed, and the service life of the unit is prolonged.
In an embodiment of the present invention, preferably, the corresponding operating parameter range of the compressor is a compressor operating range map; or the limit operation range in the operation parameter range corresponding to the compressor is 1 percent of the rated operation parameter value to 5 percent of the rated operation parameter value
In this embodiment, the operation parameter range corresponding to the compressor may be an operation range diagram corresponding to the compressor provided at the time of factory shipment, and the operation range diagram corresponding to the compressor is divided into an ultimate operation range area, a limited operation range area, and a reliable operation range area; or the corresponding operating parameter range of the compressor may be a rated operating parameter range given for any one operating parameter, and given for different divided regions, different specific column coefficients multiplied by the rated operating parameter, specifically, for example, the limit operating range is 1% of the rated operating parameter value to 5% of the rated operating parameter value. The real-time operation parameters of the compressor are guaranteed to meet the requirements of factory rated operation parameters of the compressor, so that the operation reliability of the whole machine is guaranteed, the whole operation system is optimized, and the service life is prolonged.
In an embodiment of the present invention, preferably, the rotation order is sorted according to the cooling capacities of the outdoor units from large to small; or the rotation sequence is that the outdoor units are sequenced from small to large according to the refrigerating capacity of the outdoor units.
In the embodiment, the outdoor units are sequenced according to the refrigeration capacity corresponding to the outdoor units and are used as the outdoor units after the alternate sequencing control codes are classified to perform alternate operation, so that the parallel system always keeps the optimal operation parameter state during low-load operation, the system energy efficiency during low-load operation is improved, the higher reliability of system parts is ensured, the service life of the unit is prolonged, and the operation cost is reduced.
According to still another embodiment of the present invention, there is provided a control method of an air conditioner including a plurality of outdoor units including compressors, as shown in fig. 2, the control method including the steps of:
step 202, obtaining the operation parameters of a compressor corresponding to any outdoor unit;
step 204, comparing the operation parameters with the operation parameter ranges corresponding to the compressors, and coding the corresponding outdoor unit according to the comparison result;
and step 206, controlling the coded outdoor units to perform alternate operation according to the alternate sequence.
The invention provides a control method of an air conditioner, which is mainly used for a parallel multi-connected air conditioner, wherein a parallel unit generally comprises a plurality of outdoor units with different or same configurations, when the air conditioner is in low-load operation, the running frequencies of compressors of the outdoor units with different configurations are different, parameters such as the exhaust pressure, the return pressure, the compression ratio, the exhaust temperature and the like of a system are different, real-time running parameters of each compressor in the outdoor units are obtained through a sensor, the current running state of the corresponding outdoor unit is determined after the real-time running parameters are compared with the running parameter range corresponding to the compressor, the outdoor units are coded according to the current running state, the running states of all the outdoor units are confirmed and coded, the coded outdoor units are controlled to run alternately according to an alternate sequence, and further the optimization of the parallel multi-connected air conditioner in low-load alternate running is realized, the reliability of the system is guaranteed to be always in the optimal state, the service life of the unit is prolonged, and the resource utilization rate is improved.
In one embodiment of the present invention, preferably, the corresponding operating parameter ranges of the compressor include an extreme operating range, a limited operating range and a reliable operating range; the codes corresponding to the limit operation range, the limited operation range and the reliable operation range are M1, M2 and M3 in sequence.
In the embodiment, the operation parameter range corresponding to the compressor is divided into a limit operation range, a limited operation range and a reliable operation range according to the operation state of the compressor, wherein the limit operation range indicates that the operation state of the compressor is in the limit state and needs to be stopped; the limited operation range means that the operation state of the compressor is moderate and is in a limited condition operable state; the reliable operation range represents that the operation state of the compressor is in a stable operation state and can be continuously operated; the outdoor units corresponding to different compressors within the operation parameter range are coded to determine the range of each compressor, and then the outdoor units in the limited operation range and the reliable operation range are controlled to alternately operate, so that the small-load alternate operation of the parallel multi-connected air conditioning unit is optimized, the most efficient alternate scheme is determined, the parallel system is always in the optimal operation parameter state when in small-load operation, the energy efficiency of the system when in small-load operation is improved, the higher reliability of the system parts is ensured, the service life of the unit is prolonged, and the operation cost is reduced. Specifically, codes corresponding to the limit operation range, the limited operation range and the reliable operation range are M1, M2 and M3 in sequence.
In one embodiment of the present invention, as shown in fig. 3, the flow of the control method is as follows:
step 302, obtaining the operation parameters of the compressor corresponding to any outdoor unit;
step 304, comparing the operation parameters with the operation parameter ranges corresponding to the compressors, and coding the corresponding outdoor unit according to the comparison result;
step 306, setting corresponding alternate running time lengths for outdoor units corresponding to different codes; the rotation operation time length corresponding to M1 is less than the rotation operation time length corresponding to M2, and the rotation operation time length corresponding to M2 is less than the rotation operation time length corresponding to M3;
and 308, controlling the coded outdoor units to perform alternate operation according to the alternate sequence.
In the embodiment, the corresponding alternate operation time is set for the outdoor unit in the operation parameter range corresponding to different compressors, and the appropriate alternate operation time is determined according to the operation state of the compressors, so that the optimal design of the alternate operation of the whole system is realized, the service life of the compressors is prolonged, the operation stability of the whole system is ensured, and the whole system is in the optimal operation state. Specifically, the rotation operation duration of the outdoor unit corresponding to the code M1 is 0, and the rotation operation duration of the outdoor unit corresponding to the code M2 is smaller than the rotation operation duration of the outdoor unit corresponding to the code M3. The rotation operation time length of the outdoor unit with the code M3 in the reliable operation range may be an initial rotation time length or may be set by a user, the value of the rotation operation time length of the outdoor unit with the code M2 is 1/4 to 3/4 of the rotation operation time length corresponding to M3, and the shortening ratio may be specifically selected according to the operation state of the outdoor unit.
In one embodiment of the present invention, as shown in fig. 4, the flow of the control method is as follows:
402, acquiring the operating parameters of a compressor corresponding to any outdoor unit;
step 404, comparing the operation parameters with the operation parameter ranges corresponding to the compressors, and coding the corresponding outdoor unit according to the comparison result;
step 406, setting corresponding alternate operation duration for the outdoor units corresponding to different codes; the rotation operation time length corresponding to M1 is less than the rotation operation time length corresponding to M2, and the rotation operation time length corresponding to M2 is less than the rotation operation time length corresponding to M3;
and 408, controlling the coded outdoor units to perform alternate operation according to the alternate sequence.
Step 410, acquiring the running number of the indoor units in the running state, and stopping alternate running based on the change of the running number; or acquiring the running load of the air conditioner, and stopping alternate running based on the fact that the running load exceeds a preset load value.
In this embodiment, if the number of the indoor units changes or the operation load exceeds the preset load value, so that the system needs to start more than two outdoor units, the alternate operation is stopped; otherwise, the alternate operation is continued all the time, so that the operation mode can be timely adjusted when the user adjusts the function mode or outputs the requirement, the use requirement of the user can be met, unnecessary power consumption is reduced, and the operation cost is reduced.
In one embodiment of the present invention, preferably, the operating parameters include at least one of: the operation frequency, the exhaust pressure, the return air pressure, the compression ratio and the exhaust temperature; comparing the operation parameters with the operation parameter range corresponding to the compressor, and classifying the codes of the corresponding outdoor units according to the comparison result specifically comprises the following steps: encoding the corresponding outdoor unit as M1 based on at least one operation parameter being in the limit operation range; encoding the corresponding outdoor unit as M2 based on at least one operation parameter being in a limited operation range; based on all the operation parameters being in the reliable operation range, the corresponding outdoor unit is encoded as M3.
In this embodiment, the operating parameters include at least one of: the outdoor unit is controlled to stop running if any one of the running frequency, the discharge pressure, the return pressure, the compression ratio and the discharge temperature is in the limit running range, and the code of the outdoor unit is M1; if any one of all the operation parameters is in the limited operation range and none of the operation parameters is in the limited operation range, the corresponding outdoor unit code is M2; all the operation parameters are in the reliable operation range, the corresponding outdoor unit code is M3, the alternate operation time length of the outdoor unit code is kept unchanged, the alternate operation time length corresponding to the code M2 is smaller than the alternate operation time length corresponding to the code M3, the operation parameter range corresponding to the compressor where the outdoor unit is located is divided through the proper operation parameter number, the operation state of the outdoor unit is guaranteed to be optimal, the parallel system is always guaranteed to be always kept in the optimal operation parameter state when the parallel system operates under a small load, the higher reliability of the compressor is guaranteed, and the service life of the unit is prolonged.
In an embodiment of the present invention, preferably, the corresponding operating parameter range of the compressor is a compressor operating range map; or the limit operation range in the operation parameter range corresponding to the compressor is 1% of the rated operation parameter value to 5% of the rated operation parameter value.
In this embodiment, the operation parameter range corresponding to the compressor may be an operation range diagram corresponding to the compressor provided at the time of factory shipment, and the operation range diagram corresponding to the compressor is divided into an ultimate operation range area, a limited operation range area, and a reliable operation range area; or the corresponding operating parameter range of the compressor may be a rated operating parameter range given for any one operating parameter, and given for different divided regions, different specific column coefficients multiplied by the rated operating parameter, specifically, for example, the limit operating range is 1% of the rated operating parameter value to 5% of the rated operating parameter value. The real-time operation parameters of the compressor are guaranteed to meet the requirements of factory rated operation parameters of the compressor, so that the operation reliability of the whole machine is guaranteed, the whole operation system is optimized, and the service life is prolonged.
In an embodiment of the present invention, preferably, the rotation order is sorted according to the cooling capacities of the outdoor units from large to small; or the rotation sequence is that the outdoor units are sequenced from small to large according to the refrigerating capacity of the outdoor units.
In the embodiment, the outdoor units are sequenced according to the refrigeration capacity corresponding to the outdoor units and are used as the outdoor units after the alternate sequencing control codes are classified to perform alternate operation, so that the parallel system always keeps the optimal operation parameter state during low-load operation, the system energy efficiency during low-load operation is improved, the higher reliability of system parts is ensured, the service life of the unit is prolonged, and the operation cost is reduced.
Fig. 5 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention. Wherein, the method comprises the following steps:
(1) the parallel unit runs under a small load, and system parameters are detected in real time;
(2) matching the operation range of the compressor;
(3) when one or more parameters are in the limited condition operation area A2, the outdoor unit module participates in the alternate operation, and the default operation time T is shortened;
(4) when one or more parameters reach the limit area A1 of the compressor operation range diagram, the outdoor unit modules stop rotating;
(5) when all the parameters are in the reliability parameter operation area a3 of the compressor operation range diagram, the outdoor unit modules participate in the rotation operation, and the default operation time T is not changed.
In a specific embodiment, the parallel unit generally comprises several outdoor unit modules with different or the same configurations, when the parallel unit is in low-load operation, the operating frequencies of the compressors of the outdoor units with different configurations are different, parameters such as the discharge pressure, the return pressure, the compression ratio, the discharge temperature and the like of the system are all different, and when the system is in operation, the system key parameters (frequency, discharge pressure, return pressure, compression ratio, discharge temperature) are compared with a compressor operation range diagram (provided by a compressor manufacturer) as follows:
1) when one or more parameters reach the limit area of the compressor operation range diagram or approach A1 (the margin of the parameters is n, n can be 1-5%), recording the coding type of the outdoor unit module as M1, and stopping the operation of the outdoor unit module;
2) when one or more parameters are in a limited condition operation area A2, recording the encoding type of the outdoor unit module as M2, and shortening the rotation operation time T of the outdoor unit;
3) when all the parameters are in a reliability parameter operation area A3 of the compressor operation range diagram, recording the code of the outdoor unit module as M3, and defaulting that the operation time T of the outdoor unit module is unchanged;
the outdoor unit rotation is performed between the outdoor unit modules with the encoding types of M2 and M3.
If the number of the indoor units is changed or the operating condition is obviously changed, so that the system needs to start more than two outdoor units, the alternate mode is stopped; otherwise this rotation continues.
According to a third aspect of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed, implements the control method of the air conditioner as described above. Therefore, all the beneficial effects of the control method of the air conditioner with any one of the above technical solutions are not described herein again.
In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. 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 herein, 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 invention. In this specification, 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 (15)
1. An air conditioner including a plurality of outdoor units including a compressor, the air conditioner comprising:
a memory for storing a computer program;
a processor for executing the computer program to implement:
acquiring the operation parameters of the compressor corresponding to each outdoor unit through a sensor;
the processor compares the operation parameters with the operation parameter range corresponding to the compressor, and encodes the corresponding outdoor unit according to the comparison result;
controlling the coded outdoor units to alternately run according to the alternate sequence;
the processor is configured to execute the computer program to implement the step of controlling the encoded outdoor unit to perform rotation operation according to a rotation sequence, and specifically includes:
setting corresponding alternate running time lengths for the outdoor units corresponding to different codes;
and controlling the outdoor unit to perform alternate operation according to the alternate sequence and the alternate operation time length.
2. The air conditioner according to claim 1,
the operation parameter range corresponding to the compressor comprises a limit operation range, a limited operation range and a reliable operation range;
and the codes corresponding to the limit operation range, the limited operation range and the reliable operation range are M1, M2 and M3 in sequence.
3. The air conditioner according to claim 2,
the rotation running time length corresponding to the M1 is less than the rotation running time length corresponding to the M2, and the rotation running time length corresponding to the M2 is less than the rotation running time length corresponding to the M3.
4. The air conditioner of any one of claims 1 to 3, wherein the processor is configured to execute the computer program to further implement:
acquiring the running number of the indoor units in a running state, and stopping the alternate running based on the change of the running number; or
And acquiring the running load of the air conditioner, and stopping the alternate running based on the fact that the running load exceeds a preset load value.
5. The air conditioner according to claim 2 or 3,
the operating parameters include at least one of: the operation frequency, the exhaust pressure, the return air pressure, the compression ratio and the exhaust temperature;
the processor is configured to execute the computer program to compare the operating parameter with an operating parameter range corresponding to the compressor, and the step of encoding the corresponding outdoor unit according to a comparison result specifically includes:
encoding the corresponding outdoor unit as the M1 based on at least one of the operation parameters being in the limit operation range;
encoding the corresponding outdoor unit as the M2 based on at least one of the operation parameters being in the limited operation range;
and encoding the corresponding outdoor unit into the M3 based on all the operation parameters being in the reliable operation range.
6. The air conditioner according to claim 2 or 3,
the operation parameter range corresponding to the compressor is a compressor operation range diagram; or
The limit operation range in the operation parameter range corresponding to the compressor is 1% of the rated operation parameter value to 5% of the rated operation parameter value.
7. The air conditioner according to claim 5,
the rotation sequence is sequenced from large to small according to the refrigerating capacity of the outdoor units; or
The rotation sequence is sequenced from small to large according to the refrigerating capacity of the outdoor units;
the rotation running time length corresponding to the M1 is 0.
8. A control method of an air conditioner including a plurality of outdoor units including compressors, the control method comprising:
acquiring operation parameters of the compressor corresponding to each outdoor unit;
comparing the operating parameters with the operating parameter range corresponding to the compressor, and coding the corresponding outdoor unit according to the comparison result;
controlling the coded outdoor units to alternately run according to the alternate sequence;
the step of controlling the outdoor unit after code classification to perform alternate operation according to the alternate sequence specifically includes:
setting corresponding alternate running time lengths for the outdoor units corresponding to different codes;
and controlling the outdoor unit to perform alternate operation according to the alternate sequence and the alternate operation time length.
9. The control method of an air conditioner according to claim 8,
the operation parameter range corresponding to the compressor comprises a limit operation range, a limited operation range and a reliable operation range;
and the codes corresponding to the limit operation range, the limited operation range and the reliable operation range are M1, M2 and M3 in sequence.
10. The control method of an air conditioner according to claim 9,
the rotation running time length corresponding to the M1 is less than the rotation running time length corresponding to the M2, and the rotation running time length corresponding to the M2 is less than the rotation running time length corresponding to the M3.
11. The control method of an air conditioner according to any one of claims 8 to 10, further comprising:
acquiring the running number of the indoor units in a running state, and stopping the alternate running based on the change of the running number; or
And acquiring the running load of the air conditioner, and stopping the alternate running based on the fact that the running load exceeds a preset load value.
12. The control method of an air conditioner according to claim 9,
the operating parameters include at least one of: the operation frequency, the exhaust pressure, the return air pressure, the compression ratio and the exhaust temperature;
the step of comparing the operating parameters with the operating parameter ranges corresponding to the compressors and classifying the codes of the corresponding outdoor units according to the comparison result specifically comprises the following steps:
encoding the corresponding outdoor unit as the M1 based on at least one of the operation parameters being in the limit operation range;
encoding the corresponding outdoor unit as the M2 based on at least one of the operation parameters being in the limited operation range;
and encoding the corresponding outdoor unit into the M3 based on all the operation parameters being in the reliable operation range.
13. The control method of an air conditioner according to claim 9,
the operation parameter range corresponding to the compressor is a compressor operation range diagram; or
The limit operation range in the operation parameter range corresponding to the compressor is 1% of the rated operation parameter value to 5% of the rated operation parameter value.
14. The control method of an air conditioner according to claim 9 or 10,
the rotation sequence is sequenced from large to small according to the refrigerating capacity of the outdoor units; or
The rotation sequence is sequenced from small to large according to the refrigerating capacity of the outdoor units;
the rotation running time length corresponding to the M1 is 0.
15. A computer-readable storage medium on which a computer program is stored, the computer program realizing the control method of the air conditioner according to any one of claims 8 to 14 when executed by a processor.
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906496B (en) * | 2019-11-04 | 2020-12-01 | 珠海格力电器股份有限公司 | Air conditioning system and control method, device and equipment thereof |
| CN111322717B (en) * | 2020-03-04 | 2021-03-30 | 珠海格力电器股份有限公司 | Power supply alternation control method of photovoltaic multi-split air conditioner and photovoltaic air conditioning system |
| CN112665145B (en) * | 2020-12-16 | 2022-03-11 | 珠海格力电器股份有限公司 | Two-stage system cooperative control method and device, controller and air handling unit |
| CN113432187B (en) * | 2021-07-08 | 2022-04-19 | 宁波奥克斯电气股份有限公司 | Control method of multi-split air conditioning system and related device |
| CN113654201B (en) * | 2021-08-10 | 2023-04-07 | 青岛海信日立空调系统有限公司 | Central air-conditioning control system |
| CN113883689B (en) * | 2021-10-22 | 2023-03-10 | 青岛海信日立空调系统有限公司 | Air conditioning system |
| CN115388527A (en) * | 2022-09-08 | 2022-11-25 | 合肥美的暖通设备有限公司 | Air conditioner rotation control method and device, air conditioner and medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353122A (en) * | 2011-09-26 | 2012-02-15 | Tcl空调器(中山)有限公司 | Modular multi-connection control method and system |
| CN102538144A (en) * | 2012-02-14 | 2012-07-04 | 美的集团有限公司 | Control method of multi-connected air conditioning unit |
| CN204063423U (en) * | 2014-10-16 | 2014-12-31 | 中国扬子集团滁州扬子空调器有限公司 | A kind of combined type refrigerant multi-gang air conditioner |
| CN108603681A (en) * | 2016-02-08 | 2018-09-28 | 夏普株式会社 | Air conditioner and air conditioner |
| CN110108002A (en) * | 2019-05-31 | 2019-08-09 | 珠海格力电器股份有限公司 | Outdoor unit operation control method and device for improving operation energy efficiency and stability |
| CN112146230A (en) * | 2020-08-24 | 2020-12-29 | 宁波奥克斯电气股份有限公司 | Compressor protection control method and device and air conditioner |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004101012A (en) * | 2002-09-06 | 2004-04-02 | Fujitsu General Ltd | Control method for multiple chamber type air conditioner |
| CN100588882C (en) * | 2005-12-22 | 2010-02-10 | 乐金电子(天津)电器有限公司 | Hydraulic compression prevention control system and its control method for composite air conditioner |
| CN103307698B (en) * | 2012-03-16 | 2016-12-14 | 珠海格力电器股份有限公司 | Air conditioning system and control method and device thereof |
| JP5910610B2 (en) * | 2013-10-31 | 2016-04-27 | ダイキン工業株式会社 | Air conditioning system |
| JP5790738B2 (en) * | 2013-10-31 | 2015-10-07 | ダイキン工業株式会社 | Air conditioning system |
| CN104833047B (en) * | 2015-04-22 | 2017-11-24 | 四川长虹电器股份有限公司 | A kind of control method and humidity control system |
| CN105605842B (en) * | 2015-12-28 | 2018-07-03 | 重庆美的通用制冷设备有限公司 | The control method of multimode unit |
| JP2017062109A (en) * | 2017-01-11 | 2017-03-30 | 株式会社Ｎｔｔファシリティーズ | Device for controlling number of air conditioners and method for controlling number of air conditioners |
| CN107990485B (en) * | 2017-11-29 | 2020-01-07 | 珠海格力电器股份有限公司 | Air conditioner fault identification method, device and system |
| CN108518798A (en) * | 2018-03-12 | 2018-09-11 | 珠海格力电器股份有限公司 | Display method and device of air conditioner, storage medium and air conditioner |
| CN108613327B (en) * | 2018-03-30 | 2019-10-08 | 珠海格力电器股份有限公司 | Combined alternate operation method and device of outdoor unit and multi-split system |
-
2019
- 2019-05-22 CN CN201910431447.7A patent/CN110131845B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353122A (en) * | 2011-09-26 | 2012-02-15 | Tcl空调器(中山)有限公司 | Modular multi-connection control method and system |
| CN102538144A (en) * | 2012-02-14 | 2012-07-04 | 美的集团有限公司 | Control method of multi-connected air conditioning unit |
| CN204063423U (en) * | 2014-10-16 | 2014-12-31 | 中国扬子集团滁州扬子空调器有限公司 | A kind of combined type refrigerant multi-gang air conditioner |
| CN108603681A (en) * | 2016-02-08 | 2018-09-28 | 夏普株式会社 | Air conditioner and air conditioner |
| CN110108002A (en) * | 2019-05-31 | 2019-08-09 | 珠海格力电器股份有限公司 | Outdoor unit operation control method and device for improving operation energy efficiency and stability |
| CN112146230A (en) * | 2020-08-24 | 2020-12-29 | 宁波奥克斯电气股份有限公司 | Compressor protection control method and device and air conditioner |
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|---|---|
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