CN105571059B - Combined air conditioners indoor unit leaving air temp Detection of Stability method and multi-gang air conditioner - Google Patents
Combined air conditioners indoor unit leaving air temp Detection of Stability method and multi-gang air conditioner Download PDFInfo
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- CN105571059B CN105571059B CN201510992959.2A CN201510992959A CN105571059B CN 105571059 B CN105571059 B CN 105571059B CN 201510992959 A CN201510992959 A CN 201510992959A CN 105571059 B CN105571059 B CN 105571059B
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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 discloses a kind of combined air conditioners indoor unit leaving air temp Detection of Stability methods, including：When multi-gang air conditioner is run, the initial leaving air temp of target indoor unit is recorded；After detecting that the corresponding refrigerant total amount of all non-targeted indoor units in operating status changes, at least one leaving air temp of the target indoor unit is recorded；When the maximum value of absolute difference between initial leaving air temp and the leaving air temp of record is less than or equal to preset temperature threshold, judge that the leaving air temp Detection of Stability of combined air conditioners indoor unit is qualified.The invention also discloses a kind of multi-gang air conditioners.The present invention is by controlling non-targeted indoor unit, so that its corresponding refrigerant total amount changes, and under conditions of changing observed object indoor unit leaving air temp, and the detection to the leaving air temp stability of combined air conditioners indoor unit is realized according to the amplitude of variation of leaving air temp.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to combined air conditioners indoor unit leaving air temp Detection of Stability method and
Multi-gang air conditioner.
Background technology
Multi-gang air conditioner generally comprises an outdoor unit and Duo Tai indoor units, indoor when multi-gang air conditioner is run
The quantity of machine unlatching is not known simultaneously, is generally configured according to the actual needs of user.For example, being in currently running indoor unit
At two, the refrigerant circulation of multi-gang air conditioner matches with two indoor units at this time, and user may at a time suddenly
Open remaining one or more indoor unit, when detecting that new indoor unit is opened, refrigerant circulation needs adjust to
Match with currently running all indoor units, and the adjusting stage needs to continue for some time, due to cold within the period
Matchmaker's internal circulating load is insufficient, and the leaving air temp of have been switched on before two indoor units may be caused unstable；Alternatively, being run currently
Indoor unit be more when, refrigerant circulation matches with currently running all indoor units, and user may be suddenly a certain
Moment closes one or more indoor unit therein, when having detected that indoor organ closes, refrigerant circulation need to adjust to
Currently running all indoor units match, and the adjusting stage needs to continue for some time, due to refrigerant within the period
Internal circulating load is excessive, and the leaving air temp of each indoor unit still in operating status may be caused unstable.In the prior art, not yet
In the presence of the detection method to combined air conditioners indoor unit leaving air temp stability.
Invention content
The main purpose of the present invention is to provide a kind of combined air conditioners indoor unit leaving air temp Detection of Stability methods and more
Gang air conditioner, it is intended to realize the detection to the leaving air temp stability of combined air conditioners indoor unit.
Combined air conditioners indoor unit leaving air temp Detection of Stability method provided by the invention is applied to multi-gang air conditioner
In, the multi-gang air conditioner includes multiple indoor units and an at least outdoor unit, in each indoor unit, including target chamber
Interior machine and non-targeted indoor unit, when multi-gang air conditioner is run, the target indoor unit is continuously in operating status, described more
Connection air conditioner indoor unit leaving air temp Detection of Stability method includes the following steps：
When multi-gang air conditioner is run, the initial leaving air temp of the target indoor unit is recorded；
After detecting that the corresponding refrigerant total amount of all non-targeted indoor units in operating status changes, note
Record at least one leaving air temp of the target indoor unit；
The maximum value of absolute difference between the initial leaving air temp and the leaving air temp of record be less than or
When equal to preset temperature threshold, judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.
Preferably, before the step of initial leaving air temp for recording the target indoor unit, the combined air conditioners room
Interior machine leaving air temp Detection of Stability method further includes：When the multi-gang air conditioner is opened, control is all described non-targeted
Indoor unit is in operating status；
After the step of initial leaving air temp for recording the target indoor unit, the combined air conditioners indoor unit outlet air
Temperature stability detection method further includes：All non-targeted indoor units are controlled to close.
Preferably, before the step of initial leaving air temp for recording the target indoor unit, the combined air conditioners room
Interior machine leaving air temp Detection of Stability method further includes：When the multi-gang air conditioner is opened, control is all described non-targeted
Indoor unit is closed；
After the step of initial leaving air temp for recording the target indoor unit, the combined air conditioners indoor unit outlet air
Temperature stability detection method further includes：All non-targeted indoor units are controlled to open.
Preferably, the multi-gang air conditioner is run with heating mode in a chiller mode respectively, and in the refrigeration model
When with being determined as leaving air temp Detection of Stability qualification under heating mode, then judge the combined air conditioners indoor unit goes out wind-warm syndrome
It is qualified to spend Detection of Stability.
Preferably, corresponding in all non-targeted indoor units for detecting in operating status under each pattern
Under conditions of refrigerant total amount increases or decreases, when corresponding testing result is qualified, then judge that the combined air conditioners indoor unit exists
Leaving air temp Detection of Stability under the pattern is qualified.
Preferably, detect the corresponding refrigerant total amount of all non-targeted indoor units in operating status increase or
Under conditions of reduction, when corresponding testing result is qualified, then the leaving air temp stability of the combined air conditioners indoor unit is judged
Detection is qualified.
In addition, multi-gang air conditioner provided by the invention includes multiple indoor units, at least an outdoor unit and controller, each
In a indoor unit, including target indoor unit and non-targeted indoor unit, when the multi-gang air conditioner is run, the target
Indoor unit is continuously in operating status, and the controller includes：
Logging modle, for when multi-gang air conditioner is run, recording the initial leaving air temp of the target indoor unit；
The logging modle is additionally operable to detecting that all non-targeted indoor units in operating status are corresponding cold
After matchmaker's total amount changes, at least one leaving air temp of the target indoor unit is recorded；
Determination module, for the absolute difference between the initial leaving air temp and the leaving air temp of record
When maximum value is less than or equal to preset temperature threshold, judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is closed
Lattice.
Preferably, the controller further includes control module, and the control module in the multi-gang air conditioner for opening
It is in operating status to control all non-targeted indoor units by Qi Shi；The control module is additionally operable to recording the target chamber
After the initial leaving air temp of interior machine, all non-targeted indoor units of control are closed.
Preferably, the controller further includes control module, and the control module in the multi-gang air conditioner for opening
Qi Shi controls all non-targeted indoor units and is closed；The control module is additionally operable to recording the target chamber
After the initial leaving air temp of interior machine, all non-targeted indoor units of control are opened.
Preferably, the multi-gang air conditioner is run with heating mode in a chiller mode respectively, and the determination module is also
When for being determined as leaving air temp Detection of Stability qualification under the refrigeration model and heating mode, then judge described multi-joint
The leaving air temp Detection of Stability of air conditioner indoor unit is qualified.
Preferably, the determination module is additionally operable to, in operating status all described detecting under each pattern
Under conditions of the corresponding refrigerant total amount of non-targeted indoor unit increases or decreases, when corresponding testing result is qualified, then institute is judged
It is qualified to state the leaving air temp Detection of Stability of combined air conditioners indoor unit in this mode.
Preferably, detect the corresponding refrigerant total amount of all non-targeted indoor units in operating status increase or
Under conditions of reduction, when corresponding testing result is qualified, then the leaving air temp stability of the combined air conditioners indoor unit is judged
Detection is qualified.
Combined air conditioners indoor unit leaving air temp Detection of Stability method provided by the invention and multi-gang air conditioner, by
When multi-gang air conditioner is run, the initial leaving air temp of the target indoor unit is recorded, and in operating status detecting
After the corresponding refrigerant total amount of all non-targeted indoor units changes, at least one outlet air of the target indoor unit is recorded
Temperature, and the maximum value of the absolute difference between the initial leaving air temp and the leaving air temp of record is less than or waits
When preset temperature threshold, judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified, to by non-
Target indoor unit is controlled so that its corresponding refrigerant total amount changes, and observed object under conditions of changing
The leaving air temp of indoor unit, and the leaving air temp stability to combined air conditioners indoor unit is realized according to the amplitude of variation of leaving air temp
Detection.
Description of the drawings
Fig. 1 is that the flow of combined air conditioners indoor unit leaving air temp Detection of Stability method first embodiment of the present invention is illustrated
Figure；
Fig. 2 is that the flow of combined air conditioners indoor unit leaving air temp Detection of Stability method second embodiment of the present invention is illustrated
Figure；
Fig. 3 is that the flow of combined air conditioners indoor unit leaving air temp Detection of Stability method 3rd embodiment of the present invention is illustrated
Figure；
Fig. 4 is that the flow of combined air conditioners indoor unit leaving air temp Detection of Stability method fourth embodiment of the present invention is illustrated
Figure；
Fig. 5 is that the flow of the 5th embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention is illustrated
Figure；
Fig. 6 is the high-level schematic functional block diagram of multi-gang air conditioner of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of combined air conditioners indoor unit leaving air temp Detection of Stability method, is applied to multi-gang air conditioner
In, the multi-gang air conditioner includes indoor unit and outdoor unit, in each indoor unit, including target indoor unit and non-mesh
Indoor unit is marked, when multi-gang air conditioner is run, the target indoor unit is continuously in operating status.
In the present invention, the quantity of target indoor unit and non-targeted indoor unit can be configured according to actual needs, example
Such as, target indoor unit can be one, it is two or more, non-targeted indoor unit can be one, it is two or more.Optionally,
In each embodiment of the present invention, target indoor unit is one, and non-targeted indoor unit is multiple.
Optionally, during the present invention carries out combined air conditioners indoor unit leaving air temp Detection of Stability, each target chamber
Interior machine is in operating status always, and the operational mode of each target indoor unit remains unchanged.According to opening for non-targeted indoor unit
The variation of the refrigerant circulation of multi-gang air conditioner caused by opening or closing, to detect the leaving air temp to combined air conditioners indoor unit
The influence of stability.
Referring to Fig.1, Fig. 1 is the stream of combined air conditioners indoor unit leaving air temp Detection of Stability method first embodiment of the present invention
Journey schematic diagram, combined air conditioners indoor unit leaving air temp Detection of Stability method proposed by the present invention include the following steps：
Step S10 records the initial leaving air temp of the target indoor unit when multi-gang air conditioner is run；
It in the present embodiment, can be in segment record target chamber when the leaving air temp of target indoor unit is in more stable
The initial leaving air temp of machine.And after recording the initial leaving air temp of target indoor unit, the operation of the target indoor unit should be controlled
Pattern remains unchanged, to keep the leaving air temp of target indoor unit continual and steady.
Step S20 is detecting that the corresponding refrigerant total amount of all non-targeted indoor units in operating status occurs
After variation, at least one leaving air temp of the target indoor unit is recorded；
It when recording leaving air temp, can be recorded, or can also be carried out according to predetermined time according to preset times
Record, the i.e. a certain moment after refrigerant total amount changes or preset several moment records, for example, can be in refrigerant total amount
It is recorded within the 3rd minute, the 4th minute, the 5th minute etc. after changing, or the 3rd after refrigerant total amount changes point
It is recorded in 10 minutes sections of Zhong Zhi, and can be recorded several times in the period.
Optionally, the leaving air temp of the target indoor unit in the first preset duration after variation takes place in record.
Above-mentioned first preset duration can be configured according to actual needs, can be 3 to 10 minutes.In the present embodiment, first is default
Duration is set as 5 minutes.
In the present embodiment, the corresponding refrigerant total amount of all non-targeted indoor units is that each non-targeted indoor unit exists
The coolant quantity summation that required outdoor unit provides when normal operation under current operational mode.
In the present embodiment, the unlatching, closing, the change of operational mode etc. of each non-targeted indoor unit, may all cause
Its corresponding refrigerant total amount changes.Corresponding non-targeted indoor unit can be opened by user, close or change it
Operational mode, so that the corresponding refrigerant total amount of all non-targeted indoor units changes；Or it can also be by multi-joint sky
Its operational mode is opened, closed or changed to the controller of adjusting system to corresponding non-targeted indoor unit, so that all institutes
The corresponding refrigerant total amount of non-targeted indoor unit is stated to change.
When the corresponding refrigerant total amount of all non-targeted indoor units changes, controller will adjust combined air conditioners
The refrigerant circulation of system so that the refrigerant circulation after adjusting matches with currently running all indoor units.
Optionally, can several temperature measuring points be set in the air outlet of target indoor unit, for example, can be in air outlet
Three T-type thermocouples are set, and each measurement point is individually tactful, individually records, and calculates, and judge.
Step S30, the maximum of the absolute difference between the initial leaving air temp and the leaving air temp of record
When value is less than or equal to preset temperature threshold, judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.
Above-mentioned preset temperature threshold can be configured according to actual needs, can be 1 DEG C to 6 DEG C.In the present embodiment, in advance
If temperature threshold is set as 3 DEG C.
When the leaving air temp of record is multiple, then respectively according to each leaving air temp meter of initial leaving air temp and record
Its absolute difference is calculated, then chooses maximum value in each absolute difference of calculating.It it is one in the leaving air temp of record
When, then by the absolute difference between initial leaving air temp and the leaving air temp of record directly as maximum value.
Optionally, it when recording the leaving air temp in first preset duration, can be recorded in the first preset duration
Leaving air temp maximum value and leaving air temp minimum value, the difference between initial leaving air temp and leaving air temp maximum value it is absolute
Value less than or equal to preset temperature threshold and initial absolute difference between leaving air temp and leaving air temp minimum value again smaller than
Or it is equal to preset temperature threshold, then it is assumed that the leaving air temp in first preset duration of the initial leaving air temp and record
Between absolute difference maximum value be less than or equal to preset temperature threshold.
It should be noted that leaving air temp in first preset duration of the initial leaving air temp and record it
Between absolute difference maximum value be more than preset temperature threshold when, judge the combined air conditioners indoor unit leaving air temp stablize
Property detection it is unqualified.The control model of the multi-gang air conditioner can be then adjusted or to the hardware of multi-gang air conditioner
It is correspondingly improved, so that the combined air conditioners indoor unit leaving air temp Detection of Stability is qualified.
The present embodiment is by controlling non-targeted indoor unit so that and its corresponding refrigerant total amount changes, and
The leaving air temp of observed object indoor unit under conditions of changing, and according to the amplitude of variation of leaving air temp to combined air conditioners room
The leaving air temp stability of interior machine is detected.
Combined air conditioners indoor unit leaving air temp Detection of Stability method provided by the invention, by being transported in multi-gang air conditioner
When row, the initial leaving air temp of the target indoor unit is recorded, and in operating status all described non-targeted detecting
After the corresponding refrigerant total amount of indoor unit changes, at least one leaving air temp of the target indoor unit is recorded, and described
Initially the maximum value of the absolute difference between leaving air temp and the leaving air temp of record is less than or equal to preset temperature threshold
When value, judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified, to by non-targeted indoor unit into
Row control so that its corresponding refrigerant total amount changes, and under conditions of changing observed object indoor unit outlet air
Temperature, and the detection to the leaving air temp stability of combined air conditioners indoor unit is realized according to the amplitude of variation of leaving air temp.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
Based on the first embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention, the invention also provides multi-joint
The second embodiment of air conditioner indoor unit leaving air temp Detection of Stability method is in combined air conditioners room of the present invention with reference to Fig. 2, Fig. 2
The flow diagram of machine leaving air temp Detection of Stability method second embodiment, before step S10, the combined air conditioners indoor unit
Leaving air temp Detection of Stability method further includes：
Step S40, judge the multi-gang air conditioner refrigerant circulation whether with the interior that is currently at operating status
Machine matches；
When the refrigerant circulation is matched with the indoor unit for being currently at operating status, the step S10 is executed.Institute
When stating refrigerant circulation and being currently at the indoor unit mismatch of operating status, then the step S40 is continued to execute.
In the present embodiment, for example, when combined air conditioners indoor unit is just switched on, current refrigerant circulation may also not
Stablize, and refrigerant circulation may not be matched with the indoor unit for being currently at operating status, even if the operation mould of target indoor unit
Formula is constant, and leaving air temp may also be unstable.Therefore, the present embodiment is by refrigerant circulation and being currently at operating status
Indoor unit matching when record target indoor unit initial leaving air temp, can effectively further improve to combined air conditioners room
The accuracy of the leaving air temp Detection of Stability of interior machine.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
Based on the second embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention, the invention also provides multi-joint
The 3rd embodiment of air conditioner indoor unit leaving air temp Detection of Stability method is in combined air conditioners room of the present invention with reference to Fig. 3, Fig. 3
The flow diagram of machine leaving air temp Detection of Stability method 3rd embodiment, before step S10, the combined air conditioners indoor unit
Leaving air temp Detection of Stability method further includes step S50.
When the refrigerant circulation is matched with the indoor unit for being currently at operating status, step S50 is executed；
Whether step S50 judges the multi-gang air conditioner in the second preset duration of matching status continuous service；
When in the second preset duration of matching status continuous service, the step S10 is executed.In matching status
It when non-the second preset duration of continuous service, then continues waiting for, or is further continued for executing step S50 after the preset time of interval.
Second preset duration can be configured according to actual needs, for example, can be 10 minutes to 20 minutes.This implementation
Example setting 15 minutes.After the second preset duration of matching status continuous service, the refrigerant circulation of the multi-gang air conditioner is more
Add stabilization, more stablizes to the leaving air temp of target indoor unit, can effectively further improve to combined air conditioners indoor unit
Leaving air temp Detection of Stability accuracy.
Alternatively, it is based on above-described embodiment, it in other embodiments, can also be pre- in multi-gang air conditioner booting operation third
If after duration, directly executing step S10.Third preset duration can be configured according to actual needs.In multi-gang air conditioner
After booting, and after continuous service third preset duration, theoretically it is considered that the leaving air temp of current target indoor unit compares
Stablize, can be used for carrying out Detection of Stability to the leaving air temp of combined air conditioners indoor unit.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
And automation is further realized, first based on combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention to third
Any embodiment, the invention also provides the fourth embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method, ginsengs
According to Fig. 4, Fig. 4 is the flow diagram of combined air conditioners indoor unit leaving air temp Detection of Stability method fourth embodiment of the present invention,
Before step S10, the combined air conditioners indoor unit leaving air temp Detection of Stability method further includes：
Step S60 controls all non-targeted indoor units and is in operation shape when the multi-gang air conditioner is opened
State；
In the present embodiment, when multi-gang air conditioner is opened, all indoor units is controlled and are in operating status.It is optional
, can operating status be in by controller control targe indoor unit and all non-targeted indoor units.
After step slo, the combined air conditioners indoor unit leaving air temp Detection of Stability method further includes：
Step S70, all non-targeted indoor units of control are closed.
All non-targeted indoor units can be controlled by controller to be turned off.Optionally, all non-targeted indoor units are as far as possible
It is closed in synchronization.Alternatively, between the time closed from the non-targeted indoor unit of First to last non-targeted indoor unit
Every controlling as possible within 30 seconds.
Alternatively, being based on above-described embodiment, in other embodiments, step S60 can also be executed before step S40, and
When the leaving air temp of target indoor unit is more stable, step S10 is executed, and after step slo, executes step S70.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
And automation is further realized, first based on combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention to third
Any embodiment, the invention also provides the 5th embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method, ginsengs
According to Fig. 5, Fig. 5 is the flow diagram of the 5th embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention,
Before step S10, the combined air conditioners indoor unit leaving air temp Detection of Stability method further includes：
Step S80 controls all non-targeted indoor units and is in closing shape when the multi-gang air conditioner is opened
State；
In the present embodiment, when multi-gang air conditioner is opened, all non-targeted indoor units is controlled and are in closed state,
And only control targe indoor unit is in operating status.It optionally, can be by controller control targe indoor unit and all non-targeted
The working condition of indoor unit.
After step slo, the combined air conditioners indoor unit leaving air temp Detection of Stability method further includes：
Step S90, all non-targeted indoor units of control are opened.
All non-targeted indoor units can be controlled by controller to open.Optionally, all non-targeted indoor units are as far as possible
It is opened in synchronization.Alternatively, between the time opened from the non-targeted indoor unit of First to last non-targeted indoor unit
Every controlling as possible within 30 seconds.
Alternatively, being based on above-described embodiment, in other embodiments, step S80 can also be executed before step S40, and
When the leaving air temp of target indoor unit is more stable, step S10 is executed, and after step slo, executes step S90.
It should be noted that the fourth embodiment of above-mentioned combined air conditioners indoor unit leaving air temp Detection of Stability method and the
Five embodiments can be used in combination, and when fourth embodiment and the 5th embodiment detect qualification simultaneously, then judge the combined air conditioners
Indoor unit leaving air temp Detection of Stability is qualified.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
Based on the first to the 5th any embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention, the present invention is also
Propose the sixth embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method, the multi-gang air conditioner respectively with
Refrigeration mode and heating mode operation, and it is determined as leaving air temp Detection of Stability under the refrigeration model and heating mode
When qualified, then judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
Based on the sixth embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention, the invention also provides multi-joint
7th embodiment of air conditioner indoor unit leaving air temp Detection of Stability method is detecting under each pattern in operation shape
Under conditions of the corresponding refrigerant total amount of all non-targeted indoor units of state increases or decreases, corresponding testing result is qualified
When, then judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit in this mode is qualified.That is, in each pattern
Under, it is corresponding under the conditions of detecting that the corresponding refrigerant total amount of all non-targeted indoor units in operating status is increased
The initial leaving air temp and record first preset duration in leaving air temp between absolute difference maximum
Value is less than or equal to preset temperature threshold, and is detecting that all non-targeted indoor units in operating status are corresponding cold
Under conditions of matchmaker's total amount is reduced, the leaving air temp in first preset duration of the corresponding initial leaving air temp and record
Between absolute difference maximum value be less than or equal to preset temperature threshold when, then judge the combined air conditioners indoor unit at this
Leaving air temp Detection of Stability under pattern is qualified.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
Based on the first to the 5th any embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention, the present invention is also
The 8th embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method is proposed, it is in operating status detecting
Under conditions of the corresponding refrigerant total amount of all non-targeted indoor units increases or decreases, when corresponding testing result is qualified,
Then judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.That is, detecting institute in operating status
Have the corresponding refrigerant total amount of the non-targeted indoor unit it is increased under the conditions of, the institute of the corresponding initial leaving air temp and record
The maximum value of the absolute difference between the leaving air temp in the first preset duration is stated less than or equal to preset temperature threshold, and
It is corresponding described under conditions of detecting that the corresponding refrigerant total amount of all non-targeted indoor units in operating status is reduced
The maximum value of the absolute difference between leaving air temp in first preset duration of initial leaving air temp and record is less than
Or when equal to preset temperature threshold, then judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.
The present invention further provides a kind of multi-gang air conditioners.
It is the high-level schematic functional block diagram of multi-gang air conditioner of the present invention, combined air conditioners provided by the invention with reference to Fig. 6, Fig. 6
System includes multiple indoor units 10, at least an outdoor unit 20 and controller 30, in each indoor unit 10, including target chamber
Interior machine 11 and non-targeted indoor unit 12, when the multi-gang air conditioner is run, the target indoor unit 11 is continuously in operation
State, the controller 30 include logging modle 31 and determination module 32.
Logging modle 31 is used for when multi-gang air conditioner is run, and record the target indoor unit 11 initially goes out wind-warm syndrome
Degree；
In the present embodiment, more stable when segment record target chamber can be in the leaving air temp of target indoor unit 11
The initial leaving air temp of interior machine 11.And after recording the initial leaving air temp of target indoor unit 11, the target indoor unit should be controlled
11 operational mode remains unchanged, to keep the leaving air temp of target indoor unit 11 continual and steady.
The logging modle 31 is additionally operable to detecting all correspondences of non-targeted indoor units 12 in operating status
Refrigerant total amount change after, record at least one leaving air temp of the target indoor unit；
It when recording leaving air temp, can be recorded, or can also be carried out according to predetermined time according to preset times
Record, the i.e. a certain moment after refrigerant total amount changes or preset several moment records, for example, can be in refrigerant total amount
It is recorded within the 3rd minute, the 4th minute, the 5th minute etc. after changing, or the 3rd after refrigerant total amount changes point
It is recorded in 10 minutes sections of Zhong Zhi, and can be recorded several times in the period.
Optionally, record the target indoor unit 11 in the first preset duration after variation takes place goes out wind-warm syndrome
Degree.Above-mentioned first preset duration can be configured according to actual needs, can be 3 to 10 minutes.In the present embodiment, first is pre-
If duration is set as 5 minutes.
In the present embodiment, 12 corresponding refrigerant total amount of all non-targeted indoor units is each non-targeted indoor unit
The 12 coolant quantity summations that required outdoor unit 20 provides when normal operation under current operational mode.
In the present embodiment, the unlatching, closing, the change of operational mode etc. of each non-targeted indoor unit 12, may all make
It changes at its corresponding refrigerant total amount.Corresponding non-targeted indoor unit 12 can be opened, closed or be changed by user
Become its operational mode, so that 12 corresponding refrigerant total amount of all non-targeted indoor units changes；Or it can also be by
Its operational mode is opened, closed or changed to the controller 30 of multi-gang air conditioner to corresponding non-targeted indoor unit 12, with
So that 12 corresponding refrigerant total amount of all non-targeted indoor units changes.
When 12 corresponding refrigerant total amount of all non-targeted indoor units changes, controller 30 will adjust multi-joint
The refrigerant circulation of air-conditioning system so that the refrigerant circulation after adjusting matches with currently running all indoor units 10.
Optionally, can several temperature measuring points be set in the air outlet of target indoor unit 11, for example, can be in outlet air
Mouth three T-type thermocouples of setting, each measurement point is individually tactful, individually records, and calculates, and judge.
Determination module 32, for the absolute difference between the initial leaving air temp and the leaving air temp of record
Maximum value be less than or equal to preset temperature threshold when, judge the combined air conditioners indoor unit leaving air temp Detection of Stability close
Lattice.
Above-mentioned preset temperature threshold can be configured according to actual needs, can be 1 DEG C to 6 DEG C.In the present embodiment, in advance
If temperature threshold is set as 3 DEG C.
When the leaving air temp of record is multiple, then respectively according to each leaving air temp meter of initial leaving air temp and record
Its absolute difference is calculated, then chooses maximum value in each absolute difference of calculating.It it is one in the leaving air temp of record
When, then by the absolute difference between initial leaving air temp and the leaving air temp of record directly as maximum value.
Optionally, it when recording the leaving air temp in first preset duration, can be recorded in the first preset duration
Leaving air temp maximum value and leaving air temp minimum value, the difference between initial leaving air temp and leaving air temp maximum value it is absolute
Value less than or equal to preset temperature threshold and initial absolute difference between leaving air temp and leaving air temp minimum value again smaller than
Or it is equal to preset temperature threshold, then it is assumed that the leaving air temp in first preset duration of the initial leaving air temp and record
Between absolute difference maximum value be less than or equal to preset temperature threshold.
It should be noted that leaving air temp in first preset duration of the initial leaving air temp and record it
Between absolute difference maximum value be more than preset temperature threshold when, judge the combined air conditioners indoor unit leaving air temp stablize
Property detection it is unqualified.The control model of the multi-gang air conditioner can be then adjusted or to the hardware of multi-gang air conditioner
It is correspondingly improved, so that the combined air conditioners indoor unit leaving air temp Detection of Stability is qualified.
The present embodiment is by controlling non-targeted indoor unit 12 so that and its corresponding refrigerant total amount changes, and
The leaving air temp of observed object indoor unit 11 under conditions of changing, and according to the amplitude of variation of leaving air temp to multi-joint sky
The leaving air temp stability of indoor unit is adjusted to be detected.
Multi-gang air conditioner provided by the invention, by when multi-gang air conditioner is run, recording the target indoor unit
11 initial leaving air temp, and detecting 12 corresponding refrigerant total amount of all non-targeted indoor units in operating status
After changing, at least one leaving air temp of the target indoor unit 11 is recorded, and in the initial leaving air temp and record
The leaving air temp between the maximum value of absolute difference when being less than or equal to preset temperature threshold, judge the multi-joint sky
Adjust the leaving air temp Detection of Stability of indoor unit qualified, to by controlling non-targeted indoor unit 12 so that it is corresponded to
Refrigerant total amount change, and under conditions of changing observed object indoor unit 11 leaving air temp, and according to outlet air
The amplitude of variation of temperature realizes the detection to the leaving air temp stability of combined air conditioners indoor unit.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
Based on the first embodiment of multi-gang air conditioner of the present invention, the invention also provides the second embodiment of multi-gang air conditioner, institutes
State determination module 32 be additionally operable to judge the multi-gang air conditioner refrigerant circulation whether with the room that is currently at operating status
Interior machine 10 matches；
The logging modle 31 is additionally operable to match with the indoor unit 10 for being currently at operating status in the refrigerant circulation
When, record the initial leaving air temp of the target indoor unit 11.
In the present embodiment, for example, when combined air conditioners indoor unit is just switched on, current refrigerant circulation may also not
Stablize, and refrigerant circulation may not be matched with the indoor unit 10 for being currently at operating status, even if the fortune of target indoor unit 11
Row pattern is constant, and leaving air temp may also be unstable.Therefore, the present embodiment is by refrigerant circulation and being currently at operation
In the initial leaving air temp of record target indoor unit 11 when the indoor unit 10 of state matches, can effectively further improve to more
Join the accuracy of the leaving air temp Detection of Stability of air conditioner indoor unit.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
Based on the second embodiment of multi-gang air conditioner of the present invention, the invention also provides the 3rd embodiment of multi-gang air conditioner, institutes
It states determination module 32 to be additionally operable to when the refrigerant circulation is matched with the indoor unit 10 for being currently at operating status, described in judgement
Whether multi-gang air conditioner is in the second preset duration of matching status continuous service；
The logging modle 31 is additionally operable to when in the second preset duration of matching status continuous service, record the mesh
Mark the initial leaving air temp of indoor unit 11.
Second preset duration can be configured according to actual needs, for example, can be 10 minutes to 20 minutes.This implementation
Example setting 15 minutes.After the second preset duration of matching status continuous service, the refrigerant circulation of the multi-gang air conditioner is more
Add stabilization, more stablizes to the leaving air temp of target indoor unit 11, can effectively further improve in combined air conditioners room
The accuracy of the leaving air temp Detection of Stability of machine.
Alternatively, it is based on above-described embodiment, it in other embodiments, can also be pre- in multi-gang air conditioner booting operation third
If after duration, directly recording the initial leaving air temp of the target indoor unit 11.Third preset duration can be according to actual needs
It is configured.After multi-gang air conditioner booting, and after continuous service third preset duration, theoretically it is considered that current mesh
The leaving air temp for marking indoor unit 11 is more stable, can be used for carrying out stability inspection to the leaving air temp of combined air conditioners indoor unit
It surveys.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
And automation is further realized, first based on multi-gang air conditioner of the present invention to third any embodiment, the present invention also proposes
The fourth embodiment of multi-gang air conditioner, the controller 30 further include control module 33, and the control module 33 is used for
When the multi-gang air conditioner is opened, it is in operating status to control all non-targeted indoor units 12；
In the present embodiment, when multi-gang air conditioner is opened, all indoor units 10 is controlled and are in operating status.It is optional
, can operating status be in by 30 control targe indoor unit 11 of controller and all non-targeted indoor units 12.
The control module 33 is additionally operable to after the initial leaving air temp for recording the target indoor unit 11, and control is all
The non-targeted indoor unit 12 is closed.
All non-targeted indoor units 12 can be controlled by controller 30 to be turned off.Optionally, all non-targeted indoor units 12
It is closed as far as possible in synchronization.Alternatively, being closed from the non-targeted indoor unit 12 of First to last non-targeted indoor unit 12
The time interval closed was controlled as possible within 30 seconds.
Alternatively, in other embodiments can also be in the refrigerant for judging the multi-gang air conditioner based on above-described embodiment
Before whether internal circulating load matches with the indoor unit for being currently at operating status, controls all non-targeted indoor units 12 and be in fortune
Row state, and when the leaving air temp of target indoor unit 11 is more stable, record the target indoor unit 11 initially goes out wind-warm syndrome
Degree, and after the initial leaving air temp for recording the target indoor unit 11, all non-targeted indoor units 12 of control are closed.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
And automation is further realized, first based on multi-gang air conditioner of the present invention to third any embodiment, the present invention also proposes
5th embodiment of multi-gang air conditioner, the controller 30 further include control module 33, and the control module 33 is used for
When the multi-gang air conditioner is opened, controls all non-targeted indoor units 12 and be closed；
In the present embodiment, when multi-gang air conditioner is opened, all non-targeted indoor units 12 is controlled and are in closing shape
State, and only control targe indoor unit 11 is in operating status.It optionally, can be by 30 control targe indoor unit 11 of controller and institute
There is the working condition of non-targeted indoor unit 12.
The control module 33 is additionally operable to after the initial leaving air temp for recording the target indoor unit 11, and control is all
The non-targeted indoor unit 12 is opened.
All non-targeted indoor units 12 can be controlled by controller 30 to open.Optionally, all non-targeted indoor units 12
It is opened as far as possible in synchronization.Alternatively, being opened from the non-targeted indoor unit 12 of First to last non-targeted indoor unit 12
The time interval opened was controlled as possible within 30 seconds.
Alternatively, in other embodiments can also be in the refrigerant for judging the multi-gang air conditioner based on above-described embodiment
Before whether internal circulating load matches with the indoor unit for being currently at operating status, and when multi-gang air conditioner is run, control is all
The non-targeted indoor unit 12 is closed, and when the leaving air temp of target indoor unit 11 is more stable, described in record
The initial leaving air temp of target indoor unit 11, and after the initial leaving air temp for recording the target indoor unit 11, control institute
There is the non-targeted indoor unit 12 to open.
It should be noted that the fourth embodiment of above-mentioned multi-gang air conditioner and the 5th embodiment can be used in combination,
When fourth embodiment and the 5th embodiment detect qualification simultaneously, then the combined air conditioners indoor unit leaving air temp Detection of Stability is judged
It is qualified.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
Based on the first to the 5th any embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention, the present invention is also
Propose the sixth embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method, the multi-gang air conditioner respectively with
Refrigeration mode and heating mode operation, and the determination module 32 is additionally operable to judge under the refrigeration model and heating mode
For leaving air temp Detection of Stability qualification when, then judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
Based on the sixth embodiment of combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention, the invention also provides multi-joint
7th embodiment of air conditioner indoor unit leaving air temp Detection of Stability method is detecting under each pattern in operation shape
Under conditions of the 12 corresponding refrigerant total amount of all non-targeted indoor units of state increases or decreases, corresponding testing result is closed
When lattice, then judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit in this mode is qualified.That is, in each pattern
Under, it is right under the conditions of detecting that 12 corresponding refrigerant total amount of all non-targeted indoor units in operating status is increased
The absolute difference between leaving air temp in first preset duration of the initial leaving air temp answered and record is most
Big value is less than or equal to preset temperature threshold, and is detecting all correspondences of non-targeted indoor units 12 in operating status
Refrigerant total amount reduce under conditions of, the outlet air in first preset duration of the corresponding initial leaving air temp and record
When the maximum value of absolute difference between temperature is less than or equal to preset temperature threshold, then the combined air conditioners indoor unit is judged
Leaving air temp Detection of Stability in this mode is qualified.
Further, in order to further increase the accuracy to the leaving air temp Detection of Stability of combined air conditioners indoor unit,
The first to the 5th any embodiment based on multi-gang air conditioner of the present invention, the invention also provides the 8th of multi-gang air conditioner the
Embodiment is detecting what 12 corresponding refrigerant total amount of all non-targeted indoor units in operating status increased or decreased
Under the conditions of, when corresponding testing result is qualified, then judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is closed
Lattice.That is, under the conditions of detecting that 12 corresponding refrigerant total amount of all non-targeted indoor units in operating status is increased,
The absolute difference between leaving air temp in first preset duration of the corresponding initial leaving air temp and record
Maximum value is less than or equal to preset temperature threshold, and is detecting all non-targeted indoor units correspondences in operating status
Refrigerant total amount reduce under conditions of, the outlet air in first preset duration of the corresponding initial leaving air temp and record
When the maximum value of absolute difference between temperature is less than or equal to preset temperature threshold, then the combined air conditioners indoor unit is judged
Leaving air temp Detection of Stability it is qualified.
The one of combined air conditioners indoor unit leaving air temp Detection of Stability method of the present invention set forth below and multi-gang air conditioner
Preferred application scene needs to carry out four detection experiments altogether, and when detecting qualified at this four times, then assert the combined air conditioners
The leaving air temp Detection of Stability of indoor unit is qualified.
Experiment one, under heating mode, simulated environment laboratory experiment, 7 ± 1 DEG C/6 ± 0.5 DEG C of outdoor operating mode, indoor operating mode
20 ± 1 DEG C, room door and window is closed after stable conditions.Open all indoor units 10, wait for the operation of outdoor unit 20 to currently open
After 10 matched output capacity of indoor unit and continuous operation 15min, non-targeted indoor unit 12, each non-targeted indoor unit are closed
12 synchronizations as far as possible are closed (interval time is within 30S), and record is from the 1st non-targeted indoor unit 12 is shut down to shutting down
Last 1 non-targeted indoor unit 12 and the later wind pushing temperature of the target indoor unit 11 in 5min.
The initial wind pushing temperature that record shuts down the 1st 12 eve target indoor unit 11 of non-targeted indoor unit is T10, record
From the 1st non-targeted indoor unit 12 is shut down to shutting down last 1 non-targeted indoor unit 12 and later the target indoor unit in 5min
11 wind pushing temperature maximum of T1maxAnd wind pushing temperature minimum value T1min。
And calculate Δ T according to following formula1With Δ T2：
ΔT1=| T10-T1max|, Δ T2=| T10-T1min|；
In Δ T1With Δ T2When respectively less than or equal to 3 DEG C of preset temperature threshold, then going out for the combined air conditioners indoor unit is judged
It is qualified that air temperature stability detects under the testing conditions of experiment one.
Experiment two, under heating mode, simulated environment laboratory experiment, 7 ± 1 DEG C/6 ± 0.5 DEG C of outdoor operating mode, indoor operating mode
20 ± 1 DEG C, room door and window is closed after stable conditions.Individually open target indoor unit 11, wait for the operation of outdoor unit 20 to currently open
After the 10 matched output capacity of indoor unit and continuous operation 15min that open, all non-targeted indoor units 12, each non-mesh are opened
The synchronization as far as possible of indoor unit 12 is marked by unlatching (interval time is within 30S), is recorded from the 1st non-targeted indoor unit of unlatching
12 to opening last 1 non-targeted indoor unit 12 and the later wind pushing temperature of the target indoor unit 11 in 5min.
The initial wind pushing temperature that record opens the 1st 12 eve target indoor unit 11 of non-targeted indoor unit is T20, record
From the 1st non-targeted indoor unit 12 is opened to opening last 1 non-targeted indoor unit 12 and later the target indoor unit in 5min
11 wind pushing temperature maximum of T2maxAnd wind pushing temperature minimum value T2min。
And calculate Δ T according to following formula3With Δ T4：
ΔT3=| T20-T2max|, Δ T4=| T20-T2min|；
In Δ T3With Δ T4When respectively less than or equal to 3 DEG C of preset temperature threshold, then going out for the combined air conditioners indoor unit is judged
It is qualified that air temperature stability detects under the testing conditions of experiment two.
Experiment three, under refrigeration mode, simulated environment laboratory experiment, 35 ± 1 DEG C of outdoor operating mode/- DEG C, indoor operating mode 27 ±
1 DEG C/19 ± 0.5 DEG C, room door and window is closed after stable conditions.Open all indoor units 10, wait for outdoor unit 20 operation to it is current
After the 10 matched output capacity of indoor unit and continuous operation 15min of unlatching, non-targeted indoor unit 12 is closed, it is each non-targeted
The synchronization as far as possible of indoor unit 12 is closed (interval time is within 30S), and record is from shutting down the 1st non-targeted indoor unit 12
To shutting down last 1 non-targeted indoor unit 12 and the later wind pushing temperature of the target indoor unit 11 in 5min.
The initial wind pushing temperature that record shuts down the 1st 12 eve target indoor unit 11 of non-targeted indoor unit is T30, record
From the 1st non-targeted indoor unit 12 is shut down to shutting down last 1 non-targeted indoor unit 12 and later the target indoor unit in 5min
11 wind pushing temperature maximum of T3maxAnd wind pushing temperature minimum value T3min。
And calculate Δ T according to following formula5With Δ T6：
ΔT5=| T30-T3max|, Δ T6=| T30-T3min|；
In Δ T5With Δ T6When respectively less than or equal to 3 DEG C of preset temperature threshold, then going out for the combined air conditioners indoor unit is judged
It is qualified that air temperature stability detects under the testing conditions of experiment three.
Experiment four, under refrigeration mode, simulated environment laboratory experiment, 35 ± 1 DEG C of outdoor operating mode/- DEG C, indoor operating mode 27 ±
1 DEG C/19 ± 0.5 DEG C, room door and window is closed after stable conditions.Individually open target indoor unit 11, wait for the operation of outdoor unit 20 to
After the 10 matched output capacity of indoor unit and continuous operation 15min currently opened, all non-targeted indoor units 12 are opened, respectively
For the synchronization as far as possible of a non-targeted indoor unit 12 by unlatching (interval time is within 30S), record is non-targeted from opening the 1st
The wind pushing temperature of the target indoor unit 11 in 5min to the last 1 non-targeted indoor unit 12 of unlatching and later of indoor unit 12.
The initial wind pushing temperature that record opens the 1st 12 eve target indoor unit 11 of non-targeted indoor unit is T40, record
From the 1st non-targeted indoor unit 12 is opened to opening last 1 non-targeted indoor unit 12 and later the target indoor unit in 5min
11 wind pushing temperature maximum of T4maxAnd wind pushing temperature minimum value T4min。
And calculate Δ T according to following formula7With Δ T8：
ΔT7=| T40-T4max|, Δ T8=| T40-T4min|；
In Δ T7With Δ T8When respectively less than or equal to 3 DEG C of preset temperature threshold, then going out for the combined air conditioners indoor unit is judged
It is qualified that air temperature stability detects under the testing conditions of experiment four.
In summary one to four is tested, one to four is being tested in the leaving air temp stability of the combined air conditioners indoor unit
When detection is qualified under testing conditions, then judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or device including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or device.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, computer, clothes
Be engaged in device, air conditioner or the network equipment etc.) execute method described in each embodiment of the present invention.
In addition, the description in " first ", " second " etc. involved in invention is used for description purposes only, and should not be understood as indicating
Or it implies its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result,
Feature can explicitly or implicitly include at least one of the features.In addition, technical solution between each embodiment can be with
It is combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when phase occurs in the combination of technical solution
Mutual contradiction or when cannot achieve should people think that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (12)
1. a kind of combined air conditioners indoor unit leaving air temp Detection of Stability method is applied in multi-gang air conditioner, described multi-joint
Air-conditioning system includes multiple indoor units and an at least outdoor unit, which is characterized in that in each indoor unit, including target chamber
Interior machine and non-targeted indoor unit, when multi-gang air conditioner is run, the target indoor unit is continuously in operating status, described more
Connection air conditioner indoor unit leaving air temp Detection of Stability method includes the following steps：
When multi-gang air conditioner is run, the initial leaving air temp of the target indoor unit is recorded；
After detecting that the corresponding refrigerant total amount of all non-targeted indoor units in operating status changes, institute is recorded
At least one leaving air temp for stating target indoor unit, specifically includes：
By being opened, being closed or being changed its operational mode to non-targeted indoor unit, so that all non-targeted interiors
The corresponding refrigerant total amount of machine changes；
The maximum value of absolute difference between the initial leaving air temp and the leaving air temp of record is less than or equal to
When preset temperature threshold, judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.
2. combined air conditioners indoor unit leaving air temp Detection of Stability method as described in claim 1, which is characterized in that the note
Before the step of recording the initial leaving air temp of the target indoor unit, the combined air conditioners indoor unit leaving air temp Detection of Stability
Method further includes：When the multi-gang air conditioner is opened, it is in operating status to control all non-targeted indoor units；
After the step of initial leaving air temp for recording the target indoor unit, the combined air conditioners indoor unit leaving air temp
Detection of Stability method further includes：All non-targeted indoor units are controlled to close.
3. combined air conditioners indoor unit leaving air temp Detection of Stability method as described in claim 1, which is characterized in that the note
Before the step of recording the initial leaving air temp of the target indoor unit, the combined air conditioners indoor unit leaving air temp Detection of Stability
Method further includes：When the multi-gang air conditioner is opened, controls all non-targeted indoor units and be closed；
After the step of initial leaving air temp for recording the target indoor unit, the combined air conditioners indoor unit leaving air temp
Detection of Stability method further includes：All non-targeted indoor units are controlled to open.
4. combined air conditioners indoor unit leaving air temp Detection of Stability method as described in any one of claims 1 to 3, feature exist
In the multi-gang air conditioner is run with heating mode in a chiller mode respectively, and under the refrigeration model and heating mode
When being determined as leaving air temp Detection of Stability qualification, then the leaving air temp Detection of Stability of the combined air conditioners indoor unit is judged
It is qualified.
5. combined air conditioners indoor unit leaving air temp Detection of Stability method as claimed in claim 4, which is characterized in that each
Under pattern, in the item for detecting that the corresponding refrigerant total amount of all non-targeted indoor units in operating status increases or decreases
Under part, when corresponding testing result is qualified, then judge that the leaving air temp of the combined air conditioners indoor unit in this mode is stablized
Property detection it is qualified.
6. combined air conditioners indoor unit leaving air temp Detection of Stability method as described in any one of claims 1 to 3, feature exist
In in the condition for detecting that the corresponding refrigerant total amount of all non-targeted indoor units in operating status increases or decreases
Under, when corresponding testing result is qualified, then judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.
7. a kind of multi-gang air conditioner, the multi-gang air conditioner includes multiple indoor units, at least an outdoor unit and controller,
It is characterized in that, in each indoor unit, including target indoor unit and non-targeted indoor unit, it is transported in the multi-gang air conditioner
When row, the target indoor unit is continuously in operating status, and the controller includes：
Logging modle, for when multi-gang air conditioner is run, recording the initial leaving air temp of the target indoor unit；
The logging modle is additionally operable to detecting that the corresponding refrigerant of all non-targeted indoor units in operating status is total
After amount changes, at least one leaving air temp of the target indoor unit is recorded, is specifically included：
By being opened, being closed or being changed its operational mode to non-targeted indoor unit, so that all non-targeted interiors
The corresponding refrigerant total amount of machine changes；
Determination module, the maximum for the absolute difference between the initial leaving air temp and the leaving air temp of record
When value is less than or equal to preset temperature threshold, judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.
8. multi-gang air conditioner as claimed in claim 7, which is characterized in that the controller further includes control module, described
Control module is used for when the multi-gang air conditioner is opened, and it is in operating status to control all non-targeted indoor units；Institute
It states control module to be additionally operable to after the initial leaving air temp for recording the target indoor unit, controls all non-targeted interiors
Organ closes.
9. multi-gang air conditioner as claimed in claim 7, which is characterized in that the controller further includes control module, described
Control module is used for when the multi-gang air conditioner is opened, and is controlled all non-targeted indoor units and is closed；Institute
It states control module to be additionally operable to after the initial leaving air temp for recording the target indoor unit, controls all non-targeted interiors
Machine is opened.
10. such as claim 7 to 9 any one of them multi-gang air conditioner, which is characterized in that the multi-gang air conditioner difference
It is run in a chiller mode with heating mode, and the determination module is additionally operable to judge under the refrigeration model and heating mode
For leaving air temp Detection of Stability qualification when, then judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.
11. multi-gang air conditioner as claimed in claim 10, which is characterized in that the determination module is additionally operable to, in each mould
Under formula, in the condition for detecting that the corresponding refrigerant total amount of all non-targeted indoor units in operating status increases or decreases
Under, when corresponding testing result is qualified, then judge the leaving air temp stability of the combined air conditioners indoor unit in this mode
Detection is qualified.
12. such as claim 7 to 9 any one of them multi-gang air conditioner, which is characterized in that in operating status detecting
The corresponding refrigerant total amount of all non-targeted indoor units increase or decrease under conditions of, corresponding testing result is qualified
When, then judge that the leaving air temp Detection of Stability of the combined air conditioners indoor unit is qualified.
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| CN109341002A (en) * | 2017-07-31 | 2019-02-15 | 广东美的制冷设备有限公司 | The detection method of temperature of outlet air of air conditioner |
| CN111102750A (en) * | 2019-12-24 | 2020-05-05 | 追觅科技(上海)有限公司 | Blower control method, blower control device and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2968392B2 (en) * | 1992-05-29 | 1999-10-25 | 株式会社日立製作所 | Air conditioner |
| CN101865579A (en) * | 2010-06-13 | 2010-10-20 | 青岛澳柯玛股份有限公司 | Multi-temperature zone refrigerating system PD energy-saving control method |
| CN103206750A (en) * | 2013-04-12 | 2013-07-17 | 浙江大学 | Multi-split air conditioning system and status switching control method therefor |
| CN104101054A (en) * | 2014-07-07 | 2014-10-15 | 广东美的暖通设备有限公司 | Control method and system of variable refrigerant flow (VRF) air conditioner |
| CN104390283A (en) * | 2014-10-21 | 2015-03-04 | 广东美的暖通设备有限公司 | Multi-indoor-unit air conditioner and outdoor unit system thereof |
-
2015
- 2015-12-23 CN CN201510992959.2A patent/CN105571059B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2968392B2 (en) * | 1992-05-29 | 1999-10-25 | 株式会社日立製作所 | Air conditioner |
| CN101865579A (en) * | 2010-06-13 | 2010-10-20 | 青岛澳柯玛股份有限公司 | Multi-temperature zone refrigerating system PD energy-saving control method |
| CN103206750A (en) * | 2013-04-12 | 2013-07-17 | 浙江大学 | Multi-split air conditioning system and status switching control method therefor |
| CN104101054A (en) * | 2014-07-07 | 2014-10-15 | 广东美的暖通设备有限公司 | Control method and system of variable refrigerant flow (VRF) air conditioner |
| CN104390283A (en) * | 2014-10-21 | 2015-03-04 | 广东美的暖通设备有限公司 | Multi-indoor-unit air conditioner and outdoor unit system thereof |
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