CN105588284A - Method and device for controlling distribution of refrigerants of indoor units of air conditioning system - Google Patents
Method and device for controlling distribution of refrigerants of indoor units of air conditioning system Download PDFInfo
- Publication number
- CN105588284A CN105588284A CN201610009115.6A CN201610009115A CN105588284A CN 105588284 A CN105588284 A CN 105588284A CN 201610009115 A CN201610009115 A CN 201610009115A CN 105588284 A CN105588284 A CN 105588284A
- Authority
- CN
- China
- Prior art keywords
- indoor
- temperature
- conditioning system
- indoor set
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a method for controlling distribution of refrigerants of indoor units of an air conditioning system. The process of the method is as follows: when multiple indoor units of the air conditioning system run in the heating mode, refrigerant temperatures at heat exchanger inlets of the indoor units running in the heating mode are acquired at the preset time interval; the average temperature value of the acquired refrigerant temperatures of the multiple indoor units is calculated; when differences between the refrigerant temperatures of certain indoor units and the average temperature value are larger than a preset temperature difference, current distribution of the refrigerants of the indoor units is judged to be uneven. The invention further provides a device for controlling distribution of the refrigerants of the indoor units of the air conditioning system. The method and the device solve the problem of uneven distribution of the refrigerants due to erroneous judgement of the flow of the refrigerants of the indoor units of the multi-split air conditioning system.
Description
Technical field
The present invention relates to air-conditioner technical field, relate in particular to a kind of air-conditioning system indoor-unit cooling-medium point Flow ControlMethod processed and device.
Background technology
For the multi-online air-conditioning system with many indoor sets, multi-online air-conditioning system is heating mouldUnder formula, there will be because piping length differs and cause the coolant distribution inequality of indoor set. In prior art,Generally judge by the middle part temperature of indoor set heat exchanger whether the refrigerant in multiple indoor sets is shunted notAll, still, under identical operating mode, though the indoor set that piping length differs greatly, under heating mode,Their heat exchanger middle part temperature also differs very little, now can think that system refrigerant divides balancing, but realOn border, from the heating effect of off-premises station indoor set far away than from off-premises station, the indoor set close to heats effectFruit is poor, need to regulate the aperture of electric expansion valve of indoor set to improve coolant distribution situation. Therefore thisThe mode of the middle part temperature by indoor set heat exchanger judges whether not coolant distribution in multiple indoor setsAll be easy to occur erroneous judgement, and then it is unbalanced to cause refrigerant to distribute.
Summary of the invention
The invention provides a kind of air-conditioning system indoor-unit cooling-medium flow-dividing control method and device, its main purposeBe to solve in multi-online air-conditioning system, cause refrigerant to distribute not because erroneous judgement appears in indoor-unit cooling-medium flowBalanced problem.
For achieving the above object, the invention provides a kind of air-conditioning system indoor-unit cooling-medium flow-dividing control method,Described air-conditioning system comprises many indoor sets in parallel, this air-conditioning system indoor-unit cooling-medium flow-dividing control methodComprise:
When described air-conditioning system has multiple indoor sets in the time that heating mode moves, every Preset Time interval,Obtain the refrigerant temperature at the heat exchanger entrance place of the described indoor set in heating mode operation;
The average temperature value of the described refrigerant temperature of multiple described indoor sets that calculating gets;
Difference between the described refrigerant temperature and the described average temperature value that have described indoor set is greater than defaultWhen temperature difference, judge the coolant distribution inequality that described indoor set is current.
Preferably, after the step of the current coolant distribution inequality of the described indoor set of described judgement, described skyAdjusting system indoor-unit cooling-medium flow-dividing control method also comprises:
Judge whether described refrigerant temperature is greater than described average temperature value;
If described refrigerant temperature is greater than described average temperature value, reduce the electric expansion valve of described indoor setAperture;
If described refrigerant temperature is less than described average temperature value, increase the electric expansion valve of described indoor setAperture.
Preferably, the step that reduces the aperture of the electric expansion valve of described indoor set described in comprises:
According to corresponding the opening of difference between the described refrigerant temperature of described indoor set and described average temperature valueDegree value reduces the aperture of the electric expansion valve of described indoor set;
The step of the aperture of the electric expansion valve of the described indoor set of described increase comprises:
According to corresponding the opening of difference between the described refrigerant temperature of described indoor set and described average temperature valueDegree value increases the aperture of the electric expansion valve of described indoor set.
Preferably, described have multiple indoor sets in the time that heating mode moves when described air-conditioning system, often pre-If in the time interval, obtain the refrigerant temperature at the heat exchanger entrance place of the described indoor set in heating mode operationThe step of degree comprises:
In the time that described air-conditioning system has multiple indoor sets in heating mode and stable operation, every described pre-If in the time interval, obtain the heat exchanger entrance place of the described indoor set in heating mode and stable operationRefrigerant temperature, wherein, the continuous running time that enters heating mode when described indoor set is greater than default durationTime, judge described indoor set stable operation.
Preferably, described every Preset Time interval, obtain the described indoor set in heating mode operationThe step of refrigerant temperature at heat exchanger entrance place comprise:
In each described Preset Time interval, in air-conditioning system, transport in heating mode described in timing acquiringThe temperature at the heat exchanger entrance place of the indoor set of row;
The described temperature that calculating collects mean value within a preset time interval, using described mean value asThe refrigerant temperature at described Preset Time interval.
In addition, for achieving the above object, the present invention also provides a kind of air-conditioning system indoor-unit cooling-medium point Flow ControlDevice processed, described air-conditioning system comprises many indoor sets in parallel, this air-conditioning system indoor-unit cooling-medium shuntingControl device comprises:
Temperature acquisition module, for having multiple indoor sets in the time that heating mode moves when described air-conditioning system,Every Preset Time interval, obtain the heat exchanger entrance place of the described indoor set in heating mode operationRefrigerant temperature;
Mean value calculation module, for calculating the described refrigerant temperature of multiple described indoor sets of gettingAverage temperature value;
Refrigerant judge module, for working as the described refrigerant temperature and the described average temperature value that there are described indoor setBetween difference be greater than preset temperature when poor, judge the coolant distribution inequality that described indoor set is current.
Preferably, described air-conditioning system indoor-unit cooling-medium flow division control device also comprises:
Temperature judge module, for judging whether described refrigerant temperature is greater than described average temperature value;
Valve opening adjustment module, if be greater than described average temperature value for described refrigerant temperature, reducesThe aperture of the electric expansion valve of described indoor set; And if described refrigerant temperature is less than described average temperature value,Increase the aperture of the electric expansion valve of described indoor set.
Preferably, described valve opening adjustment module, also for according to the described refrigerant temperature of described indoor setDegree and opening value corresponding to difference between described average temperature value reduce the electric expansion valve of described indoor setAperture; And according to the difference between the described refrigerant temperature of described indoor set and described average temperature valueCorresponding opening value increases the aperture of the electric expansion valve of described indoor set.
Preferably, described temperature acquisition module, also for when described air-conditioning system have multiple indoor sets inWhen heating mode and stable operation, every described Preset Time interval, obtain in heating mode and stableThe refrigerant temperature at the heat exchanger entrance place of the described indoor set of operation, wherein, when described indoor set enters systemWhen the continuous running time of heat pattern is greater than default duration, judge described indoor set stable operation.
Preferably, described temperature acquisition module, also for when described air-conditioning system have multiple indoor sets inWhen heating mode and stable operation, every described Preset Time interval, obtain in heating mode and stableThe refrigerant temperature at the heat exchanger entrance place of the described indoor set of operation, wherein, when described indoor set enters systemWhen the continuous running time of heat pattern is greater than default duration, judge described indoor set stable operation.
Air-conditioning system indoor-unit cooling-medium flow-dividing control method and device that the present invention proposes, obtain in heatingThe refrigerant temperature at the heat exchanger entrance place of multiple indoor sets of mode operation, and calculate multiple refrigerant temperaturesAverage temperature value, and according to the refrigerant temperature of each indoor set heat exchanger porch and average temperature value itBetween difference judge whether the current refrigerant of indoor set shunts inequality, refrigerant arrives each through identical pathThe heat exchanger entrance of individual indoor set, also without the effect of heat exchanger, has avoided because heat exchanger dutyThe impact of equal factor on refrigerant temperature, therefore, detection temperature is herein with respect to detecting in heat exchangerPortion's temperature more can embody the sendout of refrigerant, has improved the accuracy that judges that whether coolant distribution is balanced,Solve in multi-online air-conditioning system, caused refrigerant to distribute inequality because erroneous judgement appears in indoor-unit cooling-medium flowThe problem of weighing apparatus.
Brief description of the drawings
Fig. 1 is the flow chart of air-conditioning system indoor-unit cooling-medium flow-dividing control method of the present invention the first embodiment;
Fig. 2 is the air-conditioning system of air-conditioning system indoor-unit cooling-medium flow-dividing control method of the present invention the first embodimentStructural representation;
Fig. 3 is the flow chart of air-conditioning system indoor-unit cooling-medium flow-dividing control method of the present invention the second embodiment;
Fig. 4 is the functional module of air-conditioning system indoor-unit cooling-medium flow division control device of the present invention the first embodimentSchematic diagram;
Fig. 5 is the functional module of air-conditioning system indoor-unit cooling-medium flow division control device of the present invention the second embodimentSchematic diagram.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are done further with reference to accompanying drawingExplanation.
Detailed description of the invention
Should be appreciated that specific embodiment described herein is only in order to explain the present invention, and be not used in limitDetermine the present invention.
The invention provides a kind of air-conditioning system indoor-unit cooling-medium flow-dividing control method.
Shown in Fig. 1, be air-conditioning system indoor-unit cooling-medium flow-dividing control method of the present invention the first embodimentFlow chart.
In the first embodiment, this air-conditioning system indoor-unit cooling-medium flow-dividing control method comprises:
Step S10, when described air-conditioning system has multiple indoor sets in the time that heating mode moves, every defaultIn the time interval, obtain the refrigerant temperature at the heat exchanger entrance place of the described indoor set in heating mode operation.
Air-conditioning system in the present embodiment is multi-online air-conditioning system, at least comprises many indoor sets in parallel,Off-premises station can have one or many, at the air pipe inlet place set temperature of the heat exchanger of many indoor setsSensor, for detection of the refrigerant temperature at air pipe inlet place, shown in Fig. 2, this air-conditioning system everyAn indoor set is provided with temperature sensor 01 in the tracheae of the porch of heat exchanger.
When having more than two or two off-premises station in the time that heating mode moves, open refrigerant flow-dividing control.Be understandable that, in the running of air-conditioning system, according to the unlatching quantity of indoor set and operation shapeState judges whether to carry out the adjusting control of coolant distribution, and for example, current only have an indoor set with systemIn heat pattern when operation, does not need to obtain refrigerant temperature and judges point stream mode of refrigerant, new when detectingWhen indoor set is opened and enters heating mode operation or switches to heating mode operation, open coolant distributionAdjusting control, start to obtain the temperature that said temperature sensor detects.
The temperature at the heat exchanger entrance place of the indoor set every Preset Time interval acquiring in heating mode operationThe temperature that degree sensor detects, for example, can be at interval of current detection of Preset Time interval acquiringThe refrigerant temperature arriving, or the temperature value that Real-time Collection temperature sensor detects within this time interval is alsoCalculate its mean value, set it as refrigerant temperature, wherein, the time interval can be arranged in advance by user.
Step S20, the average temperature value of the described refrigerant temperature of multiple described indoor sets that calculating gets.
Step S30, the difference between the described refrigerant temperature and the described average temperature value that have described indoor setBe greater than preset temperature when poor, judge the coolant distribution inequality that described indoor set is current.
The average temperature value of multiple refrigerant temperatures that calculating gets, and then calculate get each indoorDifference between refrigerant temperature and the average temperature value of machine, compares with preset temperature is poor, needs explanation, in the present embodiment, the difference between described refrigerant temperature and described average temperature value refers to refrigerant temperatureDegree deducts the absolute value of the numerical value that average temperature value obtains, and is positive number. The poor 1-3 DEG C that is preferably of preset temperature,In other embodiments, this preset temperature is poor can arrange according to the actual requirements.
If there is difference between refrigerant temperature and the average temperature value of indoor set to be greater than the poor and refrigerant of preset temperatureTemperature is less than average temperature value, thinks that the coolant quantity of this indoor set heat exchanger porch of arrival is less, meetingHave influence on the heating effect of indoor set, meanwhile, if having between the refrigerant temperature and average temperature value of indoor setDifference be greater than the poor and refrigerant temperature of preset temperature and be greater than average temperature value, think that arriving this indoor set changesThe coolant quantity of hot device porch is too much, and the coolant quantity that causes entering other indoor sets is very few, in a word, and refrigerantDifference between temperature and described average temperature value is greater than preset temperature when poor, judges and transports in heating modeCoolant distribution inequality between multiple indoor sets of row, need to regulate, relatively, if refrigerant temperatureAnd it is poor that the difference between described average temperature value is less than or equal to preset temperature, judge in heating mouldCoolant distribution equilibrium between multiple indoor sets of formula operation, without adjusting.
The air-conditioning system indoor-unit cooling-medium flow-dividing control method that the present embodiment proposes, obtains in heating modeThe refrigerant temperature at the heat exchanger entrance place of multiple indoor sets of operation, and calculate the average of multiple refrigerant temperaturesTemperature value, and according between the refrigerant temperature of each indoor set heat exchanger porch and average temperature valueDifference judges whether the current refrigerant of indoor set shunts inequality, and refrigerant arrives each chamber through identical pathThe heat exchanger entrance of interior machine, also without the effect of heat exchanger, has avoided because heat exchanger duty differenceImpact etc. factor on refrigerant temperature, therefore, detection temperature is herein with respect to detecting heat exchanger middle part temperatureDegree more can embody the sendout of refrigerant, has improved the accuracy that judges that whether coolant distribution is balanced, solvesIn multi-online air-conditioning system, because of indoor-unit cooling-medium flow occur erroneous judgement cause refrigerant distribute unbalancedProblem.
Shown in Fig. 3, based on the first reality of air-conditioning system indoor-unit cooling-medium flow-dividing control method of the present inventionExecute the second embodiment that example proposes air-conditioning system indoor-unit cooling-medium flow-dividing control method of the present invention. In this enforcementIn example, the difference of described method and the first embodiment is, after step S30, and this air-conditioning system chamberInterior machine coolant distribution control method also comprises:
Step S40, judges whether described refrigerant temperature is greater than described average temperature value;
Step S50, if described refrigerant temperature is greater than described average temperature value, reduces the electricity of described indoor setThe aperture of sub-expansion valve;
Step S60, if described refrigerant temperature is less than described average temperature value, increases the electricity of described indoor setThe aperture of sub-expansion valve.
Judging after many indoor-unit cooling-medium shunting inequalities of moving under heating mode, cold according to what getMagnitude relationship between matchmaker's temperature and average temperature value, comes by the electronic expansion valve opening that regulates indoor setAdjusting enters the coolant quantity of indoor set, and shown in Fig. 2, each indoor set is provided with electronic expansionValve 02, can have various ways about the regulative mode of electronic expansion valve opening, below enumerates two kinds of modesDescribe, in one embodiment, if described refrigerant temperature is less than described average temperature value, this is indoorThe electronic expansion valve opening of machine was once increasing on the basis of current aperture, if described refrigerant temperature is greater than instituteState average temperature value, the electronic expansion valve opening of indoor set is once reduced on the basis of current aperture.
In another embodiment, regulate in such a way:
The step of the aperture of the described electric expansion valve that reduces described indoor set comprises: according to described indoor setThe described refrigerant temperature opening value corresponding with difference between described average temperature value reduce described indoor setThe aperture of electric expansion valve;
The step of the aperture of the electric expansion valve of the described indoor set of described increase comprises: according to described indoor setThe described refrigerant temperature opening value corresponding with difference between described average temperature value increase described indoor setThe aperture of electric expansion valve.
For example,, need to reduce electric expansion valve time, if difference is 1-1.5 DEG C, by swollen the electronics of indoor setSwollen valve opening reduces an aperture on the basis of current aperture, and described aperture difference is 1, if difference is1.5-3 DEG C reduces the electronic expansion valve opening of indoor set two apertures on the basis of current aperture,Be that described aperture difference is 2, the concrete aperture difference regulating can set in advance according to demand, needs to increaseWhen electronic expansion valve opening, regulate according to same principle, do not repeat them here.
Be understandable that, default if the difference between refrigerant temperature and average temperature value is less than or equal toTemperature difference, thinks and current coolant distribution equilibrium maintains the current aperture of electric expansion valve, without adjusting.
The air-conditioning system indoor-unit cooling-medium flow-dividing control method that the present embodiment proposes, is judging indoor-unit cooling-mediumAfter shunting inequality, by the aperture that regulates electric expansion valve, the distribution of refrigerant is regulated, with currentRefrigerant distributes unbalanced problem, ensures that each indoor set in heating mode operation all has goodHeating effect.
The first embodiment based on air-conditioning system indoor-unit cooling-medium flow-dividing control method of the present invention proposes the present inventionThe 3rd embodiment of air-conditioning system indoor-unit cooling-medium flow-dividing control method. In the present embodiment, described methodBe with the difference of the first embodiment, step S10 comprises:
In the time that described air-conditioning system has multiple indoor sets in heating mode and stable operation, every described pre-If in the time interval, obtain the heat exchanger entrance place of the described indoor set in heating mode and stable operationRefrigerant temperature, wherein, the continuous running time that enters heating mode when described indoor set is greater than default durationTime, judge described indoor set stable operation.
Be understandable that, user, in the time using multi-connected machine, is not multiple indoor sets all to be opened simultaneouslyOpen, there will be in the process of multiple indoor set heating operations, open again other indoor sets and heat fortuneThe situation of row, owing to just entering the indoor set of heating mode, the variations in temperature at its heat exchanger entrance place is larger,At short notice, it is stable that the temperature that its temperature sensor detects can't reach, in order to strengthen judgementAccuracy, in the time that this indoor set operation duration is greater than default duration, judges that this indoor set reaches stable operation,Obtain temperature again and judge, wherein, default duration can be arranged in advance by user.
Further, obtain the refrigerant at the heat exchanger entrance place of the described indoor set in heating mode operationThe step of temperature can comprise following refinement step:
In each described Preset Time interval, in air-conditioning system, transport in heating mode described in timing acquiringThe temperature at the heat exchanger entrance place of the indoor set of row;
The described temperature that calculating collects mean value within a preset time interval, using described mean value asThe refrigerant temperature at described Preset Time interval.
Cause heat exchanger entrance place for fear of be subject to the impact of other factors in air-conditioner runningThe fluctuation of refrigerant temperature, in the time carrying out the judgement of coolant distribution, the temperature at the heat exchanger entrance place obtainingMean value within a preset time interval judges as described refrigerant temperature, particularly, and when defaultBetween in interval, the temperature that the temperature sensor of timing acquiring indoor set heat exchanger porch detects, in fortuneWhen row duration reaches Preset Time interval, calculate the mean value of the multiple temperature that collect, set it as coldMatchmaker's temperature, for example, in 3 minutes, temperature note that temperature sensor of collection in every 20 seconds detectsRecord, when once judgement finishes 3 minutes in distance, calculates the mean value of 9 temperature that collect, willThis mean value is as the refrigerant temperature getting in this time interval of 3 minutes.
The air-conditioning system indoor-unit cooling-medium flow-dividing control method that the present embodiment proposes, indoor for new unlatchingMachine, in its operation certain time length, heat exchanger entrance place temperature reaches after comparatively stable state, thenCarry out obtaining of temperature, judge according to the average temperature value in Preset Time interval, further carryHigh judge the whether accuracy of equilibrium of coolant distribution.
The present invention also proposes a kind of air-conditioning system indoor-unit cooling-medium flow division control device.
Shown in Fig. 4, be air-conditioning system indoor-unit cooling-medium flow division control device of the present invention the first embodimentHigh-level schematic functional block diagram.
In this embodiment, this air-conditioning system indoor-unit cooling-medium flow division control device comprises:
Temperature acquisition module 10, for having multiple indoor sets to move in heating mode when described air-conditioning systemTime, every Preset Time interval, obtain the heat exchanger entrance of the described indoor set in heating mode operationThe refrigerant temperature at place.
Air-conditioning system in the present embodiment is multi-online air-conditioning system, at least comprises many indoor sets in parallel,Off-premises station can have one or many, at the air pipe inlet place set temperature of the heat exchanger of many indoor setsSensor, for detection of the refrigerant temperature at air pipe inlet place, shown in Fig. 2, this air-conditioning system everyAn indoor set is provided with temperature sensor 01 in the tracheae of the porch of heat exchanger.
When having more than two or two off-premises station in the time that heating mode moves, open refrigerant flow-dividing control.Be understandable that, in the running of air-conditioning system, according to the unlatching quantity of indoor set and operation shapeState judges whether to carry out the adjusting control of coolant distribution, and for example, current only have an indoor set with systemIn heat pattern when operation, does not need to obtain refrigerant temperature and judges point stream mode of refrigerant, new when detectingWhen indoor set is opened and enters heating mode operation or switches to heating mode operation, open coolant distributionAdjusting control, temperature acquisition module 10 obtains the temperature that said temperature sensor detects.
Changing of temperature acquisition module 10 indoor set in heating mode operation every Preset Time interval acquiringThe temperature that the temperature sensor of hot device porch detects, for example, can obtain at interval of Preset Time intervalGet the refrigerant temperature that current detection arrives, or Real-time Collection temperature sensor inspection within this time intervalThe temperature value measuring also calculates its mean value, sets it as refrigerant temperature, and wherein, the time interval can be byUser arranges in advance.
Mean value calculation module 20, for calculating the described refrigerant temperature of the multiple described indoor sets that getAverage temperature value.
Refrigerant judge module 30, for working as the described refrigerant temperature and the described mean temperature that there are described indoor setDifference between value is greater than preset temperature when poor, judges the coolant distribution inequality that described indoor set is current.
Mean value calculation module 20 is calculated the average temperature value of the multiple refrigerant temperatures that get, and then calculatesDifference between refrigerant temperature and the average temperature value of the each indoor set getting, with preset temperature poor enterRow relatively, it should be noted that, in the present embodiment, between described refrigerant temperature and described average temperature valueDifference refer to that refrigerant temperature deducts the absolute value of the numerical value that average temperature value obtains, be positive number. Default temperatureDegree is poor is preferably 1-3 DEG C, and in other embodiments, this preset temperature is poor can be arranged according to the actual requirements.
If there is difference between refrigerant temperature and the average temperature value of indoor set to be greater than the poor and refrigerant of preset temperatureTemperature is less than average temperature value, thinks that the coolant quantity of this indoor set heat exchanger porch of arrival is less, meetingHave influence on the heating effect of indoor set, meanwhile, if having between the refrigerant temperature and average temperature value of indoor setDifference be greater than the poor and refrigerant temperature of preset temperature and be greater than average temperature value, think that arriving this indoor set changesThe coolant quantity of hot device porch is too much, and the coolant quantity that causes entering other indoor sets is very few, in a word, and refrigerantDifference between temperature and described average temperature value is greater than preset temperature when poor, and refrigerant judge module 30 is judgedCoolant distribution inequality between multiple indoor sets in heating mode operation, need to regulate, relativelyGround, poor if the difference between refrigerant temperature and described average temperature value is less than or equal to preset temperature,Refrigerant judge module 30 is judged the coolant distribution equilibrium between the multiple indoor sets in heating mode operation,Without adjusting.
The air-conditioning system indoor-unit cooling-medium flow division control device that the present embodiment proposes, obtains in heating modeThe refrigerant temperature at the heat exchanger entrance place of multiple indoor sets of operation, and calculate the average of multiple refrigerant temperaturesTemperature value, and according between the refrigerant temperature of each indoor set heat exchanger porch and average temperature valueDifference judges whether the current refrigerant of indoor set shunts inequality, and refrigerant arrives each chamber through identical pathThe heat exchanger entrance of interior machine, also without the effect of heat exchanger, has avoided because heat exchanger duty differenceImpact etc. factor on refrigerant temperature, therefore, detection temperature is herein with respect to detecting heat exchanger middle part temperatureDegree more can embody the sendout of refrigerant, has improved the accuracy that judges that whether coolant distribution is balanced, solvesIn multi-online air-conditioning system, because of indoor-unit cooling-medium flow occur erroneous judgement cause refrigerant distribute unbalancedProblem.
Shown in Fig. 5, based on the first reality of air-conditioning system indoor-unit cooling-medium flow division control device of the present inventionExecute the second embodiment that example proposes air-conditioning system indoor-unit cooling-medium flow division control device of the present invention. In this enforcementIn example, the difference of described device and the first embodiment is, this air-conditioning system indoor-unit cooling-medium flow-dividing controlDevice also comprises:
Temperature judge module 40, for judging whether described refrigerant temperature is greater than described average temperature value;
Valve opening adjustment module 50, if be greater than described average temperature value for described refrigerant temperature, subtractsThe aperture of the electric expansion valve of little described indoor set; And if described refrigerant temperature is less than described mean temperatureBe worth, increase the aperture of the electric expansion valve of described indoor set.
Judging after many indoor-unit cooling-medium shunting inequalities of moving under heating mode temperature judge module 40According to the magnitude relationship between the refrigerant temperature getting and average temperature value, valve opening adjustment module 40Regulate by the electronic expansion valve opening that regulates indoor set the coolant quantity that enters indoor set, with reference to Fig. 2 instituteShow, each indoor set is provided with electric expansion valve 02, about the regulative mode of electronic expansion valve openingCan there is various ways, below enumerate two kinds of modes and describe, in one embodiment, if described refrigerantTemperature is less than described average temperature value, and valve opening adjustment module 40 is opened the electric expansion valve of this indoor setDegree was once increasing on the basis of current aperture, if described refrigerant temperature is greater than described average temperature value, valveDoor regulation module 40 reduces large one by the electronic expansion valve opening of indoor set on the basis of current apertureDegree.
In another embodiment, valve opening adjustment module 40, also for according to described in described indoor setThe opening value that refrigerant temperature is corresponding with difference between described average temperature value reduces the electronics of described indoor setThe aperture of expansion valve; And according between the described refrigerant temperature of described indoor set and described average temperature valueOpening value corresponding to difference increase the aperture of the electric expansion valve of described indoor set.
For example, need to reduce electric expansion valve time, if difference is 1-1.5 DEG C, valve opening adjustment module 40The electronic expansion valve opening of indoor set is reduced on the basis of current aperture to an aperture, i.e. described apertureDifference is 1, if difference is 1.5-3 DEG C, valve opening adjustment module 40 is opened the electric expansion valve of indoor setDegree reduces two apertures on the basis of current aperture, and described aperture difference is 2, the concrete aperture regulatingDifference can set in advance according to demand, and need to increase electronic expansion valve opening time, valve opening regulates mouldPiece 40 regulates according to same principle, does not repeat them here.
Be understandable that, default if the difference between refrigerant temperature and average temperature value is less than or equal toTemperature difference, thinks and current coolant distribution equilibrium maintains the current aperture of electric expansion valve, without adjusting.
The air-conditioning system indoor-unit cooling-medium flow division control device that the present embodiment proposes, is judging indoor-unit cooling-mediumAfter shunting inequality, by the aperture that regulates electric expansion valve, the distribution of refrigerant is regulated, with currentRefrigerant distributes unbalanced problem, ensures that each indoor set in heating mode operation all has goodHeating effect.
The first embodiment based on air-conditioning system indoor-unit cooling-medium flow division control device of the present invention proposes the present inventionThe 3rd embodiment of air-conditioning system indoor-unit cooling-medium flow division control device. In the present embodiment, described deviceBe with the difference of the first embodiment, this device also comprises:
Temperature acquisition module 10, also for having multiple indoor sets in heating mode when described air-conditioning system andWhen stable operation, every described Preset Time interval, obtain in described in heating mode and stable operationThe refrigerant temperature at the heat exchanger entrance place of indoor set, wherein, when described indoor set enters the company of heating modeWhen reforwarding row duration is greater than default duration, judge described indoor set stable operation.
Be understandable that, user, in the time using multi-connected machine, is not multiple indoor sets all to be opened simultaneouslyOpen, there will be in the process of multiple indoor set heating operations, open again other indoor sets and heat fortuneThe situation of row, owing to just entering the indoor set of heating mode, the variations in temperature at its heat exchanger entrance place is larger,At short notice, it is stable that the temperature that its temperature sensor detects can't reach, in order to strengthen judgementAccuracy, in the time that this indoor set operation duration is greater than default duration, judges that this indoor set reaches stable operation,Obtain temperature again and judge, wherein, default duration can be arranged in advance by user.
Further, temperature acquisition module 10, also in each described Preset Time interval, regularlyGather the temperature at the heat exchanger entrance place of the indoor set in heating mode operation in described air-conditioning system; WithAnd calculate the described temperature that collects mean value within a preset time interval, using described mean value as instituteState the refrigerant temperature at Preset Time interval.
Cause heat exchanger entrance place for fear of be subject to the impact of other factors in air-conditioner runningThe fluctuation of refrigerant temperature, in the time carrying out the judgement of coolant distribution, the temperature at the heat exchanger entrance place obtainingMean value within a preset time interval judges as described refrigerant temperature, particularly, and when defaultBetween in interval, the temperature sensor of temperature acquisition module 10 timing acquiring indoor set heat exchanger porch detectsThe temperature arriving, at operation duration while reaching Preset Time interval, calculates the average of multiple temperature of collectingValue, sets it as refrigerant temperature, for example, in 3 minutes, within every 20 seconds, gathers a temperature sensor inspectionThe temperature measuring record, when once judgement finishes 3 minutes in distance, calculate 9 temperature that collectThe mean value of degree, the refrigerant temperature that this mean value is got within this time interval of 3 minutes.
The air-conditioning system indoor-unit cooling-medium flow division control device that the present embodiment proposes, indoor for new unlatchingMachine, in its operation certain time length, heat exchanger entrance place temperature reaches after comparatively stable state, thenCarry out obtaining of temperature, judge according to the average temperature value in Preset Time interval, further carryHigh judge the whether accuracy of equilibrium of coolant distribution.
These are only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, everyUtilize equivalent structure or the conversion of equivalent flow process that description of the present invention and accompanying drawing content do, or directly orConnect and be used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an air-conditioning system indoor-unit cooling-medium flow-dividing control method, is characterized in that, described air-conditioning systemComprise many indoor sets in parallel, described air-conditioning system indoor-unit cooling-medium flow-dividing control method comprises:
When described air-conditioning system has multiple indoor sets in the time that heating mode moves, every Preset Time interval,Obtain the refrigerant temperature at the heat exchanger entrance place of the described indoor set in heating mode operation;
The average temperature value of the described refrigerant temperature of multiple described indoor sets that calculating gets;
Difference between the described refrigerant temperature and the described average temperature value that have described indoor set is greater than defaultWhen temperature difference, judge the coolant distribution inequality that described indoor set is current.
2. air-conditioning system indoor-unit cooling-medium flow-dividing control method according to claim 1, its feature existsAfter the step of the current coolant distribution inequality of, the described indoor set of described judgement, described air-conditioning system chamberInterior machine coolant distribution control method also comprises:
Judge whether described refrigerant temperature is greater than described average temperature value;
If described refrigerant temperature is greater than described average temperature value, reduce the electric expansion valve of described indoor setAperture;
If described refrigerant temperature is less than described average temperature value, increase the electric expansion valve of described indoor setAperture.
3. air-conditioning system indoor-unit cooling-medium flow-dividing control method according to claim 2, its featureBe, described in reduce the aperture of the electric expansion valve of described indoor set step comprise:
According to corresponding the opening of difference between the described refrigerant temperature of described indoor set and described average temperature valueDegree value reduces the aperture of the electric expansion valve of described indoor set;
The step of the aperture of the electric expansion valve of the described indoor set of described increase comprises:
According to corresponding the opening of difference between the described refrigerant temperature of described indoor set and described average temperature valueDegree value increases the aperture of the electric expansion valve of described indoor set.
4. air-conditioning system indoor-unit cooling-medium flow-dividing control method according to claim 1, its feature existsIn, described have multiple indoor sets in the time that heating mode moves when described air-conditioning system, between every Preset TimeEvery, obtain the step of the refrigerant temperature at the heat exchanger entrance place of the described indoor set in heating mode operationComprise:
In the time that described air-conditioning system has multiple indoor sets in heating mode and stable operation, every described pre-If in the time interval, obtain the heat exchanger entrance place of the described indoor set in heating mode and stable operationRefrigerant temperature, wherein, the continuous running time that enters heating mode when described indoor set is greater than default durationTime, judge described indoor set stable operation.
5. air-conditioning system indoor-unit cooling-medium flow-dividing control method according to claim 1, its feature existsIn, described every Preset Time interval, obtain the heat exchanger of the described indoor set in heating mode operationThe step of the refrigerant temperature of porch comprises:
In each described Preset Time interval, in air-conditioning system, transport in heating mode described in timing acquiringThe temperature at the heat exchanger entrance place of the indoor set of row;
The described temperature that calculating collects mean value within a preset time interval, using described mean value asThe refrigerant temperature at described Preset Time interval.
6. an air-conditioning system indoor-unit cooling-medium flow division control device, is characterized in that, described air-conditioning systemComprise many indoor sets in parallel, described air-conditioning system indoor-unit cooling-medium flow division control device comprises:
Temperature acquisition module, for having multiple indoor sets in the time that heating mode moves when described air-conditioning system,Every Preset Time interval, obtain the heat exchanger entrance place of the described indoor set in heating mode operationRefrigerant temperature;
Mean value calculation module, for calculating the described refrigerant temperature of multiple described indoor sets of gettingAverage temperature value;
Refrigerant judge module, for working as the described refrigerant temperature and the described average temperature value that there are described indoor setBetween difference be greater than preset temperature when poor, judge the coolant distribution inequality that described indoor set is current.
7. air-conditioning system indoor-unit cooling-medium flow division control device according to claim 6, its feature existsIn, described air-conditioning system indoor-unit cooling-medium flow division control device also comprises:
Temperature judge module, for judging whether described refrigerant temperature is greater than described average temperature value;
Valve opening adjustment module, if be greater than described average temperature value for described refrigerant temperature, reducesThe aperture of the electric expansion valve of described indoor set; And if described refrigerant temperature is less than described average temperature value,Increase the aperture of the electric expansion valve of described indoor set.
8. air-conditioning system indoor-unit cooling-medium flow division control device according to claim 7, its feature existsIn, described valve opening adjustment module, also for according to the described refrigerant temperature of described indoor set with described inOpening value corresponding to difference between average temperature value reduces the aperture of the electric expansion valve of described indoor set;And according to corresponding the opening of difference between the described refrigerant temperature of described indoor set and described average temperature valueDegree value increases the aperture of the electric expansion valve of described indoor set.
9. air-conditioning system indoor-unit cooling-medium flow division control device according to claim 6, its feature existsIn, described temperature acquisition module, also for having multiple indoor sets in heating mode when described air-conditioning systemAnd when stable operation, every described Preset Time interval, obtain the institute in heating mode and stable operationState the refrigerant temperature at the heat exchanger entrance place of indoor set, wherein, when described indoor set enters heating modeWhen continuous running time is greater than default duration, judge described indoor set stable operation.
10. air-conditioning system indoor-unit cooling-medium flow division control device according to claim 6, its featureBe, described temperature acquisition module, also in each described Preset Time interval, timing acquiring instituteState the temperature at the heat exchanger entrance place of the indoor set in heating mode operation in air-conditioning system; Calculate and gatherThe described temperature arriving mean value within a preset time interval, using described mean value as described Preset TimeThe refrigerant temperature at interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610009115.6A CN105588284A (en) | 2016-01-04 | 2016-01-04 | Method and device for controlling distribution of refrigerants of indoor units of air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610009115.6A CN105588284A (en) | 2016-01-04 | 2016-01-04 | Method and device for controlling distribution of refrigerants of indoor units of air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105588284A true CN105588284A (en) | 2016-05-18 |
Family
ID=55928055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610009115.6A Pending CN105588284A (en) | 2016-01-04 | 2016-01-04 | Method and device for controlling distribution of refrigerants of indoor units of air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105588284A (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931604A (en) * | 2017-03-30 | 2017-07-07 | 四川长虹电器股份有限公司 | The anti-refrigerant of VRF air conditioning piles up processing method |
| CN107477798A (en) * | 2017-09-04 | 2017-12-15 | 广东美的暖通设备有限公司 | Method and apparatus, air-conditioning for the refrigerant that controls air-conditioning |
| CN107560089A (en) * | 2017-09-20 | 2018-01-09 | 合肥美的暖通设备有限公司 | The diagnostic method and diagnostic device of multiple on-line system and its coolant quantity |
| CN108006909A (en) * | 2017-11-21 | 2018-05-08 | 广东美的暖通设备有限公司 | Control method for electronic expansion valve under multi-line system and its heating mode |
| CN108019892A (en) * | 2017-11-23 | 2018-05-11 | 青岛海尔空调电子有限公司 | The control method of multi-connected air conditioning system |
| CN108613336A (en) * | 2018-05-15 | 2018-10-02 | 青岛海尔空调电子有限公司 | It is a kind of for controlling the method and apparatus of air conditioner, air conditioner, computer readable storage medium |
| CN108759008A (en) * | 2018-06-12 | 2018-11-06 | 广东美的暖通设备有限公司 | Control method, device and the air-conditioning with it of air-conditioning |
| CN109708272A (en) * | 2018-12-29 | 2019-05-03 | 广东美的暖通设备有限公司 | The control method of the electric expansion valve of outer machine in parallel |
| CN110186145A (en) * | 2019-06-14 | 2019-08-30 | 宁波奥克斯电气股份有限公司 | A kind of modified control method of the high drop of multi-connected machine, device and air conditioner |
| CN110425781A (en) * | 2019-08-09 | 2019-11-08 | 宁波奥克斯电气股份有限公司 | A kind of evaporator flowing path outlet temperature control method, device and air conditioner |
| CN110470030A (en) * | 2019-07-30 | 2019-11-19 | 青岛海尔空调器有限总公司 | The control method for electronic expansion valve and multi-split air conditioner of multi-split air conditioner |
| CN110579038A (en) * | 2019-09-12 | 2019-12-17 | 青岛海信日立空调***有限公司 | control method of multi-split system |
| CN110594991A (en) * | 2019-08-30 | 2019-12-20 | 青岛海尔空调器有限总公司 | Heating bias flow control method and system for multi-split air conditioner and multi-split air conditioner system |
| CN110686375A (en) * | 2019-09-10 | 2020-01-14 | 珠海格力电器股份有限公司 | Air conditioner heat exchange medium control method and device, medium, computer equipment and air conditioner |
| CN112013472A (en) * | 2019-05-30 | 2020-12-01 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN112066520A (en) * | 2020-09-17 | 2020-12-11 | 无锡职业技术学院 | Intelligent building air conditioner charging and intelligent management and control system |
| CN112229043A (en) * | 2020-10-19 | 2021-01-15 | 珠海格力电器股份有限公司 | Air conditioner operation method and device, electronic equipment and computer readable medium |
| CN112856714A (en) * | 2021-02-19 | 2021-05-28 | 青岛海尔空调器有限总公司 | Refrigerant flow control method and device, electronic equipment and air conditioner |
| CN113175739A (en) * | 2021-04-29 | 2021-07-27 | 四川虹美智能科技有限公司 | Heating control method and device of multi-connected air conditioning unit and electronic equipment |
| CN113339969A (en) * | 2021-05-26 | 2021-09-03 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner refrigerant diversion and air conditioner |
| WO2021212966A1 (en) * | 2020-04-22 | 2021-10-28 | 青岛海尔空调电子有限公司 | Multi-split air conditioning system, and refrigerant flow control method therefor |
| CN114322269A (en) * | 2022-01-13 | 2022-04-12 | 宁波奥克斯电气股份有限公司 | Refrigerant balance control method and device, multi-split air conditioner and computer readable storage medium |
| CN115200312A (en) * | 2022-07-13 | 2022-10-18 | 珠海格力电器股份有限公司 | Control method of heat exchange system, heat exchange system and computer readable storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005291553A (en) * | 2004-03-31 | 2005-10-20 | Mitsubishi Heavy Ind Ltd | Multiple air conditioner |
| CN1789845A (en) * | 2004-12-14 | 2006-06-21 | Lg电子株式会社 | Method for operating an air conditioner |
| CN101329093A (en) * | 2007-06-22 | 2008-12-24 | 三星电子株式会社 | Multi air-conditioner for simultaneously cooling/heating and method for controlling the same |
| CN103982987A (en) * | 2014-05-07 | 2014-08-13 | 广东美的暖通设备有限公司 | Method and system for preventing bias flowing of refrigerant in multi-split air conditioner and multi-split air conditioner |
| JP2015087049A (en) * | 2013-10-30 | 2015-05-07 | 株式会社富士通ゼネラル | Air conditioning system |
| CN105115199A (en) * | 2015-07-06 | 2015-12-02 | 广东美的暖通设备有限公司 | VFRVV VRF air conditioning system refrigerant diversion control method and device |
-
2016
- 2016-01-04 CN CN201610009115.6A patent/CN105588284A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005291553A (en) * | 2004-03-31 | 2005-10-20 | Mitsubishi Heavy Ind Ltd | Multiple air conditioner |
| CN1789845A (en) * | 2004-12-14 | 2006-06-21 | Lg电子株式会社 | Method for operating an air conditioner |
| CN101329093A (en) * | 2007-06-22 | 2008-12-24 | 三星电子株式会社 | Multi air-conditioner for simultaneously cooling/heating and method for controlling the same |
| JP2015087049A (en) * | 2013-10-30 | 2015-05-07 | 株式会社富士通ゼネラル | Air conditioning system |
| CN103982987A (en) * | 2014-05-07 | 2014-08-13 | 广东美的暖通设备有限公司 | Method and system for preventing bias flowing of refrigerant in multi-split air conditioner and multi-split air conditioner |
| CN105115199A (en) * | 2015-07-06 | 2015-12-02 | 广东美的暖通设备有限公司 | VFRVV VRF air conditioning system refrigerant diversion control method and device |
Cited By (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931604B (en) * | 2017-03-30 | 2019-07-30 | 四川长虹电器股份有限公司 | The anti-refrigerant of VRF air conditioning accumulates processing method |
| CN106931604A (en) * | 2017-03-30 | 2017-07-07 | 四川长虹电器股份有限公司 | The anti-refrigerant of VRF air conditioning piles up processing method |
| CN107477798A (en) * | 2017-09-04 | 2017-12-15 | 广东美的暖通设备有限公司 | Method and apparatus, air-conditioning for the refrigerant that controls air-conditioning |
| CN107477798B (en) * | 2017-09-04 | 2019-12-17 | 广东美的暖通设备有限公司 | method and device for controlling refrigerant of air conditioner and air conditioner |
| CN107560089A (en) * | 2017-09-20 | 2018-01-09 | 合肥美的暖通设备有限公司 | The diagnostic method and diagnostic device of multiple on-line system and its coolant quantity |
| CN107560089B (en) * | 2017-09-20 | 2020-09-04 | 合肥美的暖通设备有限公司 | Multi-split air conditioning system and method and device for diagnosing refrigerant quantity of multi-split air conditioning system |
| CN108006909A (en) * | 2017-11-21 | 2018-05-08 | 广东美的暖通设备有限公司 | Control method for electronic expansion valve under multi-line system and its heating mode |
| CN108006909B (en) * | 2017-11-21 | 2020-05-08 | 广东美的暖通设备有限公司 | Multi-split air conditioning system and control method of electronic expansion valve in heating mode of multi-split air conditioning system |
| CN108019892A (en) * | 2017-11-23 | 2018-05-11 | 青岛海尔空调电子有限公司 | The control method of multi-connected air conditioning system |
| CN108019892B (en) * | 2017-11-23 | 2020-11-20 | 青岛海尔空调电子有限公司 | Control method of multi-connected air conditioning system |
| CN108613336A (en) * | 2018-05-15 | 2018-10-02 | 青岛海尔空调电子有限公司 | It is a kind of for controlling the method and apparatus of air conditioner, air conditioner, computer readable storage medium |
| CN108759008A (en) * | 2018-06-12 | 2018-11-06 | 广东美的暖通设备有限公司 | Control method, device and the air-conditioning with it of air-conditioning |
| US11333379B2 (en) | 2018-06-12 | 2022-05-17 | Hefei Midea Heating & Ventilating Equipment Co., Ltd. | Air conditioner controlling method and apparatus and air conditioner having the same |
| CN109708272A (en) * | 2018-12-29 | 2019-05-03 | 广东美的暖通设备有限公司 | The control method of the electric expansion valve of outer machine in parallel |
| CN112013472A (en) * | 2019-05-30 | 2020-12-01 | 广东美的制冷设备有限公司 | Air conditioner and control method thereof |
| CN110186145A (en) * | 2019-06-14 | 2019-08-30 | 宁波奥克斯电气股份有限公司 | A kind of modified control method of the high drop of multi-connected machine, device and air conditioner |
| CN110470030B (en) * | 2019-07-30 | 2021-08-24 | 青岛海尔空调器有限总公司 | Control method of electronic expansion valve of multi-split air conditioner and multi-split air conditioner |
| CN110470030A (en) * | 2019-07-30 | 2019-11-19 | 青岛海尔空调器有限总公司 | The control method for electronic expansion valve and multi-split air conditioner of multi-split air conditioner |
| CN110425781A (en) * | 2019-08-09 | 2019-11-08 | 宁波奥克斯电气股份有限公司 | A kind of evaporator flowing path outlet temperature control method, device and air conditioner |
| CN110425781B (en) * | 2019-08-09 | 2021-10-26 | 宁波奥克斯电气股份有限公司 | Evaporator flow path outlet temperature adjusting method and device and air conditioner |
| CN110594991A (en) * | 2019-08-30 | 2019-12-20 | 青岛海尔空调器有限总公司 | Heating bias flow control method and system for multi-split air conditioner and multi-split air conditioner system |
| CN110686375B (en) * | 2019-09-10 | 2021-01-15 | 珠海格力电器股份有限公司 | Air conditioner heat exchange medium control method and device, medium, computer equipment and air conditioner |
| CN110686375A (en) * | 2019-09-10 | 2020-01-14 | 珠海格力电器股份有限公司 | Air conditioner heat exchange medium control method and device, medium, computer equipment and air conditioner |
| CN110579038A (en) * | 2019-09-12 | 2019-12-17 | 青岛海信日立空调***有限公司 | control method of multi-split system |
| WO2021212966A1 (en) * | 2020-04-22 | 2021-10-28 | 青岛海尔空调电子有限公司 | Multi-split air conditioning system, and refrigerant flow control method therefor |
| CN112066520A (en) * | 2020-09-17 | 2020-12-11 | 无锡职业技术学院 | Intelligent building air conditioner charging and intelligent management and control system |
| CN112066520B (en) * | 2020-09-17 | 2022-02-22 | 无锡职业技术学院 | Intelligent building air conditioner charging and intelligent management and control system |
| CN112229043A (en) * | 2020-10-19 | 2021-01-15 | 珠海格力电器股份有限公司 | Air conditioner operation method and device, electronic equipment and computer readable medium |
| CN112856714A (en) * | 2021-02-19 | 2021-05-28 | 青岛海尔空调器有限总公司 | Refrigerant flow control method and device, electronic equipment and air conditioner |
| CN113175739B (en) * | 2021-04-29 | 2022-05-10 | 四川虹美智能科技有限公司 | Heating control method and device of multi-connected air conditioning unit and electronic equipment |
| CN113175739A (en) * | 2021-04-29 | 2021-07-27 | 四川虹美智能科技有限公司 | Heating control method and device of multi-connected air conditioning unit and electronic equipment |
| CN113339969A (en) * | 2021-05-26 | 2021-09-03 | 青岛海尔空调器有限总公司 | Control method and device for air conditioner refrigerant diversion and air conditioner |
| WO2022247329A1 (en) * | 2021-05-26 | 2022-12-01 | 青岛海尔空调器有限总公司 | Control method and device for air-conditioning refrigerant shunting, and air conditioner |
| CN114322269A (en) * | 2022-01-13 | 2022-04-12 | 宁波奥克斯电气股份有限公司 | Refrigerant balance control method and device, multi-split air conditioner and computer readable storage medium |
| CN115200312A (en) * | 2022-07-13 | 2022-10-18 | 珠海格力电器股份有限公司 | Control method of heat exchange system, heat exchange system and computer readable storage medium |
| CN115200312B (en) * | 2022-07-13 | 2024-01-30 | 珠海格力电器股份有限公司 | Control method of heat exchange system, heat exchange system and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105588284A (en) | Method and device for controlling distribution of refrigerants of indoor units of air conditioning system | |
| CN105674496B (en) | A kind of air-conditioner defrosting method | |
| CN105091204B (en) | The control method of multi-line system | |
| CN104006498B (en) | The control method and device of air-conditioner automatic running | |
| CN105674495A (en) | Adjustment method and device for operating state of air conditioner | |
| CN105157172A (en) | Method and device for controlling air conditioner | |
| CN104748318A (en) | Air conditioner constant temperature dehumidification control method and device, air conditioner | |
| CN108759029B (en) | Air conditioning system, control method of air conditioning system and air conditioner | |
| CN105091251B (en) | The control method and control device of transducer air conditioning | |
| CN105650813B (en) | The defrosting control method and device of air-conditioning | |
| US20180095483A1 (en) | Air conditioner | |
| CN107917510A (en) | A kind of control method and device of outdoor fan of air-conditioner rotating speed | |
| CN103162385A (en) | Device and method of adjusting electronic expansion valve of refrigeration equipment | |
| CN106352635A (en) | Operation control method and device for compressor of air conditioning system | |
| CN105546766A (en) | Method and device for determining comfortable temperature of human body | |
| CN107726554A (en) | A kind of multi-connected machine comfort level balance control method and system | |
| CN102278804A (en) | Control method for preventing bias flow of refrigerants during heating of multi-connected air conditioning unit | |
| CN106568174A (en) | Control system and method for temperatures of computer room | |
| CN106918117A (en) | Air conditioner coolant leakage detection method and device | |
| CN109163416A (en) | Defrosting control method and device for equipment and equipment | |
| CN104833022B (en) | A kind of low control method for cooling down inflow temperature and starting of air-conditioner set | |
| CN106871332A (en) | One drag two detachable air conditioner control method and one drag two detachable air conditioner | |
| CN107957117A (en) | A kind of control method and device of outdoor fan of air-conditioner rotating speed | |
| CN107631424A (en) | Automatic temperature-control air-conditioner control method and air conditioner | |
| CN105042799A (en) | Air conditioner control method and device and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160518 |
|
| RJ01 | Rejection of invention patent application after publication |