CN106152414B - Air conditioner with surplus indoor unit control method and device - Google Patents
Air conditioner with surplus indoor unit control method and device Download PDFInfo
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- CN106152414B CN106152414B CN201610601118.9A CN201610601118A CN106152414B CN 106152414 B CN106152414 B CN 106152414B CN 201610601118 A CN201610601118 A CN 201610601118A CN 106152414 B CN106152414 B CN 106152414B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/074—Details of compressors or related parts with multiple cylinders
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air conditioner with surplus indoor unit control methods, including：When detecting startup operating instruction, obtains and start indoor environment temperature and set temperature that operating instruction corresponds to indoor unit；The temperature difference for calculating indoor environment temperature and set temperature is the first temperature difference；When the startup operating instruction is one indoor unit of startup, and the value of the first temperature difference is more than predetermined threshold value, control double-cylinder variable-capacity compressor single cylinder operation；When the startup operating instruction is two indoor units of startup, and at least an indoor unit corresponds to the value of the first temperature difference calculated more than predetermined threshold value, control double-cylinder variable-capacity compressor twin-tub is run.The invention also discloses a kind of air conditioner with surplus indoor unit control devices.The present invention avoids repeatedly starting and stopping and switching compressor, improves compressor reliability, reduces the influence to power grid.
Description
Technical field
The present invention relates to air conditioner technical field more particularly to a kind of air conditioner with surplus indoor unit control method and device.
Background technology
Air conditioner with surplus indoor unit is a kind of type to drive two indoor units to operate using an outdoor unit.Currently on the market
The air conditioner with surplus indoor unit of appearance includes single compressor system and double compressor system；The air conditioner with surplus indoor unit of single compressor system,
It is divided into the compressor of one standard power of configuration and the compressor two types that one power of configuration is larger, with a standard power
An indoor unit liquid-supplying type (being commonly called as false one drag two), this air-conditioning are maximum the disadvantage is that two indoor units thereto respectively for compressor
It cannot work at the same time；Another kind is with the larger compressor of a power simultaneously to two indoor unit liquid-supplying types, two indoor units
It can be used alone, since compressor horsepower is bigger than normal when only with an indoor unit, refrigerating speed is very fast, can be quickly by room temperature
Set temperature is dropped to, and when two indoor units open simultaneously, length of pipe and the difference of pressure drop when may be due to installation, or
The influence of the factors such as feed flow distributing valve quality keeps the liquid supply rate of two indoor units uneven, causes a room cooling fast, another
Room cooling is slow.Double compressor system, which belongs to, is equipped with two compressors, respectively to two indoor unit liquid-supplying types (be commonly called as two and drag two),
This air conditioner with surplus indoor unit is equal to two air conditioners, because two compressors occupy larger outdoor unit space, and pipeline is complicated, whole
A outdoor unit volume is larger, cost is higher, and when two compressors operate simultaneously, and noise is larger.
Existing one drag two twin-tub variable capacitance air conditioner starts fortune after detecting power-on instruction in a manner of single cylinder or twin-tub
Row carries out the switching of single twin-tub operation, increases double-cylinder variable-capacity compressor further according to number of units and environment temperature that indoor unit is opened
Switching times, and double-cylinder variable-capacity compressor is during single twin-tub switches, and first close compressor is needed then to restart again,
The frequent start-stop of compressor, impacts compressor reliability and power grid.
The above is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that the above is existing skill
Art.
Invention content
The main purpose of the present invention is to provide a kind of air conditioner with surplus indoor unit control method and device, it is intended to solve existing
The number of units and environment temperature that one drag two twin-tub variable capacitance air conditioner is opened after compressor start operation further according to indoor unit carry out single
The switching of twin-tub operation, increases the switching times of double-cylinder variable-capacity compressor, is impacted to compressor reliability and power grid
Problem.
To achieve the above object, a kind of air conditioner with surplus indoor unit control method provided by the invention, includes the following steps：
When detecting startup operating instruction, obtains and start indoor environment temperature and setting that operating instruction corresponds to indoor unit
Temperature；
The temperature difference for calculating indoor environment temperature and set temperature is the first temperature difference；
When the startup operating instruction is one indoor unit of startup, and the value of the first temperature difference is more than predetermined threshold value, control
Double-cylinder variable-capacity compressor single cylinder operation processed；
When the startup operating instruction is to start two indoor units, and an at least indoor unit corresponds to the first temperature calculated
When the value of degree difference is more than predetermined threshold value, control double-cylinder variable-capacity compressor twin-tub operation.
Preferably, after the step of control double-cylinder variable-capacity compressor single cylinder operation, further include：
Detecting another indoor unit startup operating instruction, and at least an indoor unit corresponds to the first temperature calculated
When the value of difference is more than predetermined threshold value, control double-cylinder variable-capacity compressor is switched to twin-tub operation from single cylinder operation.
Preferably, the method further includes：
It it is two in the indoor unit of operation, and when detecting a shutdown command, control double-cylinder variable-capacity compressor is from twin-tub
Operation is switched to single cylinder operation.
Preferably, the method further includes：
When the indoor unit of operation is two, the temperature of the first indoor unit corresponding indoor environment temperature and set temperature is calculated
Degree difference is that second temperature is poor, and the temperature difference of the corresponding indoor environment temperature of the second indoor unit and set temperature is third temperature difference；
When the value of second temperature difference is more than the value of the third temperature difference, the solenoid valve for increasing the first indoor unit is opened
Degree and/or the electromagnetism valve opening for reducing the second indoor unit；
When the value of second temperature difference is less than the value of the third temperature difference, the solenoid valve for reducing the first indoor unit is opened
Degree and/or the electromagnetism valve opening for increasing the second indoor unit.
Preferably, the method further includes：
It is run in the first indoor unit, and the value of second temperature difference is less than the value of preset 4th temperature difference, or the
Two indoor units are run, and when the value of the third temperature difference is less than the value of preset 4th temperature difference, control double-cylinder variable-capacity compressor
And outdoor fan is closed；
It is run in the first indoor unit and the second indoor unit, and the value of second temperature difference is less than preset 4th temperature difference
Value and the value of third temperature difference when being less than the value of preset 4th temperature difference, control double-cylinder variable-capacity compressor and outdoor wind
Organ closes.
In addition, to achieve the above object, the present invention also provides a kind of air conditioner with surplus indoor unit control devices, including：
Acquisition module, for when detecting startup operating instruction, obtaining and starting the interior that operating instruction corresponds to indoor unit
Environment temperature and set temperature；
Computing module, the temperature difference for calculating indoor environment temperature and set temperature are the first temperature difference；
Control module, for being to start an indoor unit, and the value of the first temperature difference is more than when the startup operating instruction
When predetermined threshold value, control double-cylinder variable-capacity compressor single cylinder operation；And
When the startup operating instruction is to start two indoor units, and an at least indoor unit corresponds to the first temperature calculated
When the value of degree difference is more than predetermined threshold value, control double-cylinder variable-capacity compressor twin-tub operation.
Preferably, the control module is additionally operable to detecting another indoor unit startup operating instruction, and at least one
When the value that platform indoor unit corresponds to the first temperature difference calculated is more than predetermined threshold value, control double-cylinder variable-capacity compressor is cut from single cylinder operation
Change to twin-tub operation.
Preferably, the control module is additionally operable in the indoor unit of operation be two, and detects a shutdown command
When, control double-cylinder variable-capacity compressor is switched to single cylinder operation from twin-tub operation.
Preferably, the computing module is additionally operable to, when the indoor unit of operation is two, it is corresponding to calculate the first indoor unit
The temperature difference of indoor environment temperature and set temperature is that second temperature is poor, the corresponding indoor environment temperature of the second indoor unit and setting
The temperature difference of temperature is third temperature difference；
The control module is additionally operable to, when the value of second temperature difference is more than the value of the third temperature difference, increase
The electromagnetism valve opening of first indoor unit and/or the electromagnetism valve opening for reducing the second indoor unit；And
When the value of second temperature difference is less than the value of the third temperature difference, the solenoid valve for reducing the first indoor unit is opened
Degree and/or the electromagnetism valve opening for increasing the second indoor unit.
Preferably, the control module is additionally operable to run in the first indoor unit, and the value of second temperature difference is less than in advance
If the 4th temperature difference value, or run in the second indoor unit, the value of the third temperature difference is less than preset 4th temperature difference
Value when, control double-cylinder variable-capacity compressor and outdoor fan and close；And
It is run in the first indoor unit and the second indoor unit, and the value of second temperature difference is less than preset 4th temperature difference
Value and the value of third temperature difference when being less than the value of preset 4th temperature difference, control double-cylinder variable-capacity compressor and outdoor wind
Organ closes.
The present invention obtains when detecting startup operating instruction and starts the indoor environment temperature that operating instruction corresponds to indoor unit
And set temperature；The temperature difference for calculating indoor environment temperature and set temperature is the first temperature difference；When the startup operating instruction
For start an indoor unit, and the value of the first temperature difference be more than predetermined threshold value when, control double-cylinder variable-capacity compressor single cylinder operation；When
The startup operating instruction is to start two indoor units, and the value that at least an indoor unit corresponds to the first temperature difference calculated is big
When predetermined threshold value, control double-cylinder variable-capacity compressor twin-tub operation.According to the operation number of units and indoor environment temperature of indoor unit with
The temperature difference of set temperature and the relationship of predetermined threshold value, the operation of control double-cylinder variable-capacity compressor single cylinder or twin-tub operation, avoid anti-
Multiple start and stop and switching compressor, improve compressor reliability, reduce the influence to power grid.
Description of the drawings
Fig. 1 is the flow diagram of the first embodiment of air conditioner with surplus indoor unit control method of the present invention；
Fig. 2 is the flow diagram of the second embodiment of air conditioner with surplus indoor unit control method of the present invention；
Fig. 3 is the flow diagram of the 3rd embodiment of air conditioner with surplus indoor unit control method of the present invention；
Fig. 4 is the flow diagram of the fourth embodiment of air conditioner with surplus indoor unit control method of the present invention；
Fig. 5 is the flow diagram of the 5th embodiment of air conditioner with surplus indoor unit control method of the present invention；
Fig. 6 is the structural schematic diagram of the preferred embodiment of air conditioner with surplus indoor unit of the present invention；
Fig. 7 is the high-level schematic functional block diagram of the preferred embodiment of air conditioner with surplus indoor unit control device of the present invention；
Fig. 8 is the high-level schematic functional block diagram of the preferred embodiment of air conditioner with surplus indoor unit 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 primary solutions of the embodiment of the present invention are：When detecting startup operating instruction, obtains and start operating instruction
The indoor environment temperature and set temperature of corresponding indoor unit；The temperature difference for calculating indoor environment temperature and set temperature is the first temperature
Degree is poor；When the startup operating instruction is one indoor unit of startup, and the value of the first temperature difference is more than predetermined threshold value, control is double
Cylinder positive displacement compressor single cylinder is run；When the startup operating instruction is to start two indoor units, an and at least indoor unit pair
When the value for the first temperature difference that should be calculated is more than predetermined threshold value, control double-cylinder variable-capacity compressor twin-tub operation.According to indoor unit
The relationship of the temperature difference and predetermined threshold value of number of units and indoor environment temperature and set temperature is run, double-cylinder variable-capacity compressor list is controlled
Cylinder is run or twin-tub operation, avoids repeatedly starting and stopping and switching compressor, improves compressor reliability, reduce the shadow to power grid
It rings.
The platform opened further according to indoor unit after compressor start operation due to existing one drag two twin-tub variable capacitance air conditioner
Number and environment temperature carry out the switching of single twin-tub operation, increase the switching times of double-cylinder variable-capacity compressor, reliable to compressor
The problem of property and power grid impact.
Based on the above issues, the present invention provides a kind of air conditioner with surplus indoor unit control method.
Referring to Fig.1, Fig. 1 is the flow diagram of the first embodiment of air conditioner with surplus indoor unit control method of the present invention.
In one embodiment, the air conditioner with surplus indoor unit control method includes：
Step S10 is obtained when detecting startup operating instruction and is started the indoor environment temperature that operating instruction corresponds to indoor unit
Degree and set temperature；
In the present embodiment, the one drag two air-conditioning is the variable capacitance air conditioner for being configured with double-cylinder variable-capacity compressor, described double
There is cylinder positive displacement compressor the first cylinder and the second cylinder, the capacity of the first cylinder and the second cylinder to configure by a certain percentage,
For example, the capacity of the first cylinder and the second cylinder presses 1：1 proportional arrangement realizes 1P limits of power fortune when then single cylinder is run
Row realizes the operation of 2P limits of power when twin-tub is run.When two indoor units are run, the first cylinder of double-cylinder variable-capacity compressor with
Second cylinder is run simultaneously, that is, is pressed 2P limits of power and run, and when an indoor unit is run, double-cylinder variable-capacity compressor only controls one
A cylinder (for example, first cylinder) is run by 1P limits of power.When detecting starting of air conditioner instruction, indoor environment temperature is obtained
Deng the indoor environment temperature can be obtained by temperature sensor, be also based on the temperature monitor being connect with air conditioner
Or other electronic equipments detect to obtain.
Step S20, the temperature difference for calculating indoor environment temperature and set temperature is the first temperature difference；
Step S30, when the startup operating instruction is to start an indoor unit, and the value of the first temperature difference is more than default threshold
When value, control double-cylinder variable-capacity compressor single cylinder operation；
Step S40, when the startup operating instruction is to start two indoor units, and an at least indoor unit is corresponded to and calculated
The first temperature difference value be more than predetermined threshold value when, control double-cylinder variable-capacity compressor twin-tub operation.
When getting indoor environment temperature with set temperature, the temperature difference for calculating indoor environment temperature and set temperature is
First temperature difference, in the present embodiment, first temperature difference are the difference that the indoor environment temperature subtracts the set temperature
Value；Predetermined threshold value is pre-set threshold value when air conditioner dispatches from the factory, and user can also be arranged by Air Conditioner Remote equipment presets threshold
Value updates predetermined threshold value according to user instruction or indoor environment situation, for example, be 2 or 3 when refrigeration, when heating is -3 or -5；
Since the air conditioner is configured with two indoor units, in actual use, a wherein indoor unit may be only opened, also may be used
Two indoor units can be opened；When detecting that starts an operating instruction, a wherein indoor unit is only opened in expression, in the first temperature
When the value of degree difference is more than predetermined threshold value, control double-cylinder variable-capacity compressor single cylinder operation；Since two indoor units are by two remote controlers
It controls respectively, when opening two indoor units, two start operating instruction and not necessarily received simultaneously by air conditioner, therefore, are examining
The value for measuring the time difference of two startup operating instructions is less than the value of difference of preset object time, and starting operation by described two refers to
Be indicated by enabling while opening two indoor units, then it is big in the value that at least an indoor unit corresponds to the first temperature difference calculated
When predetermined threshold value, control double-cylinder variable-capacity compressor twin-tub operation；The value of preset object time difference is that air conditioner is pre- when dispatching from the factory
The value of object time difference can also be arranged by Air Conditioner Remote equipment or according to user by the value for the object time difference being first arranged, user
The value of instruction or indoor environment situation update object time difference, for example, 5 seconds or 10 seconds.
The present embodiment is one or two according to operating instruction is started, and determines that double-cylinder variable-capacity compressor is opened with single cylinder or twin-tub
Dynamic operation can be effectively prevented from the case where double-cylinder variable-capacity compressor frequent start-stop carries out single twin-tub switching, make twin-tub transfiguration pressure
Contracting machine is reliable for operation, smaller to the influence of fluctuations of power grid.
It is the flow diagram of the second embodiment of air conditioner with surplus indoor unit control method of the present invention with reference to Fig. 2, Fig. 2.It is based on
The first embodiment of above-mentioned air conditioner with surplus indoor unit control method after the step S30, further includes：
Step S50 is detecting another indoor unit startup operating instruction, and at least an indoor unit corresponds to calculating
When the value of first temperature difference is more than predetermined threshold value, control double-cylinder variable-capacity compressor is switched to twin-tub operation from single cylinder operation.
In actual use, it may be then turned on another indoor unit after opening wherein an indoor unit, therefore,
After air conditioner receives a startup operating instruction and controls the operation of double-cylinder variable-capacity compressor single cylinder, then detect an interior
When machine starts operating instruction, calculates startup operating instruction and correspond to indoor unit and be currently running the corresponding indoor environment of indoor unit
The temperature difference of temperature and set temperature updates the value of the first temperature difference, and the first temperature calculated is corresponded in an at least indoor unit
When the value of degree difference is more than predetermined threshold value, since two indoor units work at the same time, in order to make indoor environment temperature reach setting as early as possible
Temperature, the refrigerating capacity/heating capacity needed is more, then controls double-cylinder variable-capacity compressor and be switched to twin-tub operation from single cylinder operation.
The present embodiment is during an indoor unit is run, when being then turned on another indoor unit, according to indoor environment temperature
Degree situation controls double-cylinder variable-capacity compressor and is switched to twin-tub operation from single cylinder operation, increases refrigerating capacity/heating capacity, meets two rooms
Interior machine operation demand.
It is the flow diagram of the 3rd embodiment of air conditioner with surplus indoor unit control method of the present invention with reference to Fig. 3, Fig. 3.It is based on
The second embodiment of above-mentioned air conditioner with surplus indoor unit control method, the method further include：
Step S60 is two in the indoor unit of operation, and when detecting a shutdown command, control twin-tub transfiguration compression
Machine is switched to single cylinder operation from twin-tub operation.
In actual use, in fact it could happen that after opening two indoor units, close the feelings of wherein one indoor unit again
Condition detects a shutdown command, that is, indicates a certain indoor unit in two indoor units when the indoor unit of operation is two
Out of service, the demand of the refrigerating capacity/heating capacity generated accordingly to double-cylinder variable-capacity compressor can also be reduced, then control twin-tub change
Positive displacement compressor is switched to single cylinder operation from twin-tub operation, and to reduce the refrigerating capacity/heating capacity generated, the control that can stablize also is located
In the corresponding indoor environment temperature state of the indoor unit of operating status, at the same it is energy saving.Further, user may also wish
Two indoor units are simultaneously closed off, since two indoor units are controlled respectively by two remote controlers, when closing two indoor units, two passes
Machine instruction is not necessarily received by air conditioner simultaneously, therefore, is less than in the value for detecting the time difference of two shutdown commands default
Object time difference value, will be to simultaneously close off two indoor units indicated by two shutdown commands, then directly by twin-tub
Positive displacement compressor is switched to closed state from twin-tub operation, can be switched to list from twin-tub operation to avoid by double-cylinder variable-capacity compressor
The case where cylinder operation turns off, it is possible to reduce the switching times of double-cylinder variable-capacity compressor keep double-cylinder variable-capacity compressor reliable for operation,
It is smaller to the influence of fluctuations of power grid.
The present embodiment indoors machine by two operation become one operation when, control double-cylinder variable-capacity compressor from twin-tub run
Be switched to single cylinder operation, the control that can stablize also in operating status the corresponding indoor environment temperature state of indoor unit, together
When it is energy saving.
It is the flow diagram of the fourth embodiment of air conditioner with surplus indoor unit control method of the present invention with reference to Fig. 4, Fig. 4.It is based on
The 3rd embodiment of above-mentioned air conditioner with surplus indoor unit control method, the method further include：
Step S70 calculates the corresponding indoor environment temperature of the first indoor unit and setting when the indoor unit of operation is two
The temperature difference of temperature is that second temperature is poor, and the temperature difference of the corresponding indoor environment temperature of the second indoor unit and set temperature is third
Temperature difference；
In general, two indoor units are mounted on different rooms, due to the area, heat insulation effect and service condition in two rooms
Etc. differences, so that indoor environment temperature is reached set temperature and/or refrigerating capacity/heating capacity needed for the set temperature kept also
Different, therefore, in actual moving process, the temperature change in two rooms also can be different, in fact it could happen that room
Indoor environment temperature already close to set temperature, the indoor environment temperature in another room and the gap of set temperature also compared with
Greatly, it is therefore desirable to which refrigerating capacity/system is discharged to indoor unit according to the temperature difference of the indoor environment temperature in two rooms and set temperature
Heat is adjusted, in one embodiment, in real time or fixed when two indoor units (the first indoor unit and the second indoor unit) is run
When obtain the first indoor unit and the corresponding indoor environment temperature of the second indoor unit and set temperature, and calculate the first indoor unit and correspond to
Indoor environment temperature and set temperature temperature difference be second temperature it is poor, the corresponding indoor environment temperature of the second indoor unit with set
The temperature difference of constant temperature degree is third temperature difference；So as to the fortune according to the value of the value of second temperature difference and third temperature difference to air conditioner
Row state is adjusted.
Step S80 increases the first indoor unit when the value of second temperature difference is more than the value of the third temperature difference
Electromagnetism valve opening and/or the electromagnetism valve opening for reducing the second indoor unit；
Step S90 reduces the first indoor unit when the value of second temperature difference is less than the value of the third temperature difference
Electromagnetism valve opening and/or the electromagnetism valve opening for increasing the second indoor unit.
The value of second temperature difference is more than the value of the third temperature difference, indicates the corresponding indoor environment temperature of the first indoor unit
Reach refrigerating capacity/heating capacity needed for set temperature and reaches set temperature institute more than the corresponding indoor environment temperature of the second indoor unit
Therefore refrigerating capacity/the heating capacity needed is adjusted the operating status of air conditioner, for example, increasing the solenoid valve of the first indoor unit
Aperture and/or the electromagnetism valve opening for reducing the second indoor unit, and/or increase wind deflector angle and/or the reduction of the first indoor unit
The wind deflector angle of second indoor unit, and/or increase the wind speed of the first indoor unit and/or reduce the wind speed of the second indoor unit；When
So may also the corresponding indoor environment temperature of the first indoor unit reach refrigerating capacity/heating capacity needed for set temperature be less than second Room
The corresponding indoor environment temperature of interior machine reaches refrigerating capacity/heating capacity needed for set temperature, i.e., the value of second temperature difference is less than the
The value of three temperature differences includes then reducing electromagnetism valve opening and/or the increasing of the first indoor unit to the adjusting of the operating status of air conditioner
The electromagnetism valve opening of big second indoor unit, and/or reduce the wind deflector angle of the first indoor unit and/or increase the second indoor unit
Wind deflector angle, and/or reduce the wind speed of the first indoor unit and/or increase the wind speed of the second indoor unit.Above-mentioned regulative mode is
It is adjusted by the operating status of the hardware to air conditioner, to change refrigerating capacity/heating capacity of two indoor units output, two
In the case of the external conditions such as a room area are comparable, the interior in two rooms can be effectively adjusted by above-mentioned control mode
Environment temperature achievees the purpose that set temperature；But when the area or apparent use condition gap in two rooms, it can also lead to
It crosses and the specification etc. of hardware is transformed, to adapt to the actual use demand in two rooms, for example, a large amount of refrigeration will be usually required
The evaporator of the corresponding indoor unit in room of amount/heating capacity is changed to the evaporator of bigger specification.
Demand of the present embodiment according to two rooms to refrigerating capacity/heating capacity adjusts the electromagnetism valve opening of two indoor units,
Make the indoor environment temperature in two rooms that can reach as early as possible and be maintained within the scope of set temperature.
It is the flow diagram of the 5th embodiment of air conditioner with surplus indoor unit control method of the present invention with reference to Fig. 5, Fig. 5.It is based on
The fourth embodiment of above-mentioned air conditioner with surplus indoor unit control method, the method further include：
Step S100 is run in the first indoor unit, and the value of second temperature difference is less than preset 4th temperature difference
Value, or when the second indoor unit is run, and the value of the third temperature difference is less than the value of preset 4th temperature difference, control twin-tub becomes
Positive displacement compressor and outdoor fan are closed；
It is run in the first indoor unit and the second indoor unit, and the value of second temperature difference is less than preset 4th temperature difference
Value and the value of third temperature difference when being less than the value of preset 4th temperature difference, control double-cylinder variable-capacity compressor and outdoor wind
Organ closes.
When an only indoor unit operation, for example, being run for the first indoor unit, the value of second temperature difference is less than preset
When the value of the 4th temperature difference, or when the second indoor unit is run, and the value of third temperature difference is less than the value of preset 4th temperature difference,
I.e. under refrigeration mode, under indoor environment temperature is less than set temperature is more or heating mode, indoor environment temperature is higher than setting temperature
It spends more, indicates that refrigerating capacity/heating capacity for generating is more when double-cylinder variable-capacity compressor is run at this time, be more than the heat damage in room
Consumption, will cause the difference of indoor environment temperature and set temperature further increase or double-cylinder variable-capacity compressor run when generate
Refrigerating capacity/heating capacity close to room thermal losses, double-cylinder variable-capacity compressor continue to run with will cause indoor environment temperature need
Long period can be only achieved set temperature, angularly considers from energy saving and raising users'comfort, controls twin-tub transfiguration pressure
Contracting machine and outdoor fan are closed；When two indoor units are run simultaneously, the value of second temperature difference is less than preset 4th temperature difference
Value and the value of third temperature difference when being less than the value of preset 4th temperature difference, that is, the corresponding indoor environment temperature of indoor unit that runs
Degree, i.e., under refrigeration mode, under indoor environment temperature is less than set temperature is more or heating mode, indoor environment temperature is higher than setting
Constant temperature degree is more, indicates that the refrigerating capacity/heating capacity generated when double-cylinder variable-capacity compressor is run at this time is more, has been more than the heat in room
Amount loss, will cause the difference of indoor environment temperature and set temperature further increase or double-cylinder variable-capacity compressor run when
For refrigerating capacity/heating capacity of generation close to the thermal losses in room, double-cylinder variable-capacity compressor, which continues to run with, will lead to indoor environment temperature
Degree needs the long period to can be only achieved set temperature, angularly considers that control twin-tub becomes from energy saving and raising users'comfort
Positive displacement compressor and outdoor fan are closed.The value of preset 4th temperature difference is pre-set 4th temperature when air conditioner dispatches from the factory
Difference is spent, the 4th temperature gap can also be arranged by Air Conditioner Remote equipment or according to user instruction or indoor environment situation by user
The 4th temperature gap is updated, or according to the rate of change of indoor environment temperature and set temperature difference, and/or combines room
The factors such as thermal losses automatically adjust the 4th temperature gap.
The present embodiment is respectively less than the 4th temperature in the corresponding indoor environment temperature of indoor unit of operation and the difference of set temperature
When spending difference, control double-cylinder variable-capacity compressor and outdoor fan and close, avoid the difference of indoor environment temperature and set temperature into
One step increases.
In order to which above-mentioned air conditioner control program is better described, specific explanations will be carried out by an example below.
Example：
Air conditioner includes double-cylinder variable-capacity compressor 1, four-way valve pipeline 2, condenser 3, throttle part 4a and 4b, indoor heat exchange
Device 5a and 5b, two-way electromagnetic valve 6a and 6b, fluid reservoir 7 and small cylinder start-stop control piper 8, the small cylinder start-stop control piper of compressor 8
It is made of with the pipeline that is connected triple valve, the start-stop of the small cylinder of compressor is controlled using three-way magnetic valve, reaches change compressor displacement
Purpose；Wherein, the capacity of the first cylinder of double-cylinder variable-capacity compressor and the second cylinder presses 1：1 proportional arrangement.
Refrigeration mode operation logic：As shown in fig. 6,
1, when only indoor heat exchanger 5a has refrigeration demand, the three-way magnetic valve in small cylinder start-stop control piper 8 is in
Off-position；Double-cylinder variable-capacity compressor 1 receives low-voltage signal at this time, and double-cylinder variable-capacity compressor 1 is run with single cylinder state, refrigerant stream
Enter throttle part 4a through four-way valve pipeline 2, condenser 3, gets in after reducing pressure by regulating flow after heat exchanger 5a exchanged heat, two-way
Solenoid valve 6a is in channel status, finally enters compressor by fluid reservoir 7 again；6b is in off state at this time.
2, when only indoor heat exchanger 5b has refrigeration demand, the three-way magnetic valve in small cylinder start-stop control piper 8 is in
Off-position；Double-cylinder variable-capacity compressor 1 receives low-voltage signal at this time, and double-cylinder variable-capacity compressor 1 is run with single cylinder state, refrigerant stream
Enter throttle part 4b through four-way valve member 2, condenser 3, gets in after reducing pressure by regulating flow after heat exchanger 5b exchanged heat, two-way
Solenoid valve 6b is in channel status, finally enters compressor by fluid reservoir 7 again；6a is in off state at this time.
3, when indoor heat exchanger 5a and 5b has refrigeration demand simultaneously, the three-way magnetic valve in small cylinder start-stop control piper 8
In energized state；Double-cylinder variable-capacity compressor 1 receives high-voltage signal at this time, and 1 small cylinder of double-cylinder variable-capacity compressor is opened, with twin-tub shape
State is run, and refrigerant flows through four-way valve member 2, condenser 3 enters throttle part 4a and 4b, and heat exchanger is got in after reducing pressure by regulating flow
After 5a and 5b is exchanged heat, two-way electromagnetic valve 6a and 6b are in channel status, finally enter compressor by fluid reservoir 7 again.
Specifically control mode is：Start air conditioner to freeze, when detecting that starts an operating instruction, detects fortune
The corresponding indoor environment temperature of row indoor unit is 35 DEG C, and set temperature is 26 DEG C, and predetermined threshold value 3 then controls twin-tub transfiguration pressure
Contracting machine single cylinder starts operation；When subsequently detecting that starts an operating instruction again, detect that the indoor unit being currently running corresponds to
Indoor environment temperature be 33 DEG C, set temperature be 26 DEG C, predetermined threshold value 3, the corresponding indoor environment of indoor unit newly opened
Temperature is 35 DEG C, and set temperature is 26 DEG C, predetermined threshold value 3, then control double-cylinder variable-capacity compressor be switched to from single cylinder operation it is double
Cylinder is run；When being detected simultaneously by two startup operating instructions, detect that the corresponding indoor environment temperature of an indoor unit is 35
DEG C, set temperature is 26 DEG C, and predetermined threshold value 3, the corresponding indoor environment temperature of another indoor unit is 35 DEG C, and set temperature is
24 DEG C, predetermined threshold value 5 then controls double-cylinder variable-capacity compressor twin-tub and starts operation；It is two in the indoor unit of operation, and detects
When to a shutdown command, control double-cylinder variable-capacity compressor is switched to single cylinder operation from twin-tub operation.
Heating mode operation logic：As shown in fig. 6,
4, when only indoor heat exchanger 5a has heating needs, the three-way magnetic valve in small cylinder start-stop control piper 8 is in
Off-position；Double-cylinder variable-capacity compressor 1 receives low-voltage signal at this time, and double-cylinder variable-capacity compressor 1 is run with single cylinder state, refrigerant stream
Enter throttle part 4a through four-way valve member 2, indoor heat exchanger 5a, after being exchanged heat into 3 after reducing pressure by regulating flow, 6a is in access
State finally enters compressor by fluid reservoir 7 again；6b is in off state at this time.
5, when only indoor heat exchanger 5b has heating needs, the three-way magnetic valve in small cylinder start-stop control piper 8 is in
Off-position；Double-cylinder variable-capacity compressor 1 receives low-voltage signal at this time, and double-cylinder variable-capacity compressor 1 is run with single cylinder state, refrigerant stream
Enter throttle part 4b through four-way valve member 2, indoor heat exchanger 5b, after being exchanged heat into 3 after reducing pressure by regulating flow, 6b is in access
State finally enters compressor by fluid reservoir 7 again；6a is in off state at this time.
6, when indoor heat exchanger 5a and 5b has heating needs simultaneously, the three-way magnetic valve in small cylinder start-stop control piper 8
In energized state；Double-cylinder variable-capacity compressor 1 receives high-voltage signal at this time, and 1 small cylinder of double-cylinder variable-capacity compressor is opened, with twin-tub shape
State is run, and refrigerant flows through four-way valve member 2, indoor heat exchanger 5a and 5b, throttle part 4a and 4b, enters condensation after reducing pressure by regulating flow
After device 3 is exchanged heat, two-way electromagnetic valve 6a and 6b are in channel status, finally enter compressor by fluid reservoir 7 again.
Specifically control mode is：Start air conditioner to be heated, when detecting that starts an operating instruction, detects fortune
The corresponding indoor environment temperature of row indoor unit is 5 DEG C, and set temperature is 20 DEG C, and predetermined threshold value is -3, then controls twin-tub transfiguration pressure
Contracting machine single cylinder starts operation；When subsequently detecting that starts an operating instruction again, detect that the indoor unit being currently running corresponds to
Indoor environment temperature be 10 DEG C, set temperature be 20 DEG C, predetermined threshold value be -3, the corresponding indoor environment of indoor unit newly opened
Temperature is 5 DEG C, and set temperature is 18 DEG C, and predetermined threshold value is -3, then control double-cylinder variable-capacity compressor be switched to from single cylinder operation it is double
Cylinder is run；When being detected simultaneously by two startup operating instructions, detect that the corresponding indoor environment temperature of an indoor unit is 5
DEG C, set temperature is 20 DEG C, and predetermined threshold value is -3, and the corresponding indoor environment temperature of another indoor unit is 5 DEG C, and set temperature is
24 DEG C, predetermined threshold value is -5, then controls double-cylinder variable-capacity compressor twin-tub and start operation；It is two in the indoor unit of operation, and examines
When measuring a shutdown command, control double-cylinder variable-capacity compressor is switched to single cylinder operation from twin-tub operation.
1 explanation of double-cylinder variable-capacity compressor：The double-cylinder variable-capacity compressor 1 has exhaust outlet, gas returning port, blow vent, main gas
Cylinder (the first cylinder) and assistant cylinder (the second cylinder), the blow vent are connected to the slide plate chamber of the assistant cylinder；Work as installation
When the room area of two indoor units is suitable, the capacity of the first cylinder and the second cylinder can refer to about 1:1 proportional arrangement,
Meet the needs of the suitable refrigerating capacity in two rooms；When the room area for installing two indoor units is variant, to the need of refrigerating capacity
Ask different, suitable refrigerating capacity can be matched by other means, for example change evaporator specifications, air quantity etc.；The present invention is not
It is only applicable to a case where outdoor unit drives two indoor unit operatings, an outdoor unit is also applied for and drives more indoor unit fortune
The case where turning.
The executive agent of the air conditioner with surplus indoor unit control method of above-mentioned first to the 5th embodiment all can be air-conditioning or with
The electronic equipment of AIR COND SIG Air Conditioner Singnal connection.Further, the control method of the one drag two air-conditioning can be by being mounted on air-conditioning or electricity
Client air-conditioning control program in sub- equipment is realized, wherein the electronic equipment includes but not limited to mobile phone, pad, notebook
Computer etc..
The present invention further provides a kind of air conditioner with surplus indoor unit control devices.
With reference to the function module signal that Fig. 7, Fig. 7 are the preferred embodiment of air conditioner with surplus indoor unit control device 100 of the present invention
Figure.
In one embodiment, the air conditioner with surplus indoor unit control device 100 includes：Acquisition module 10, computing module 20 and
Control module 30.
The acquisition module 10 corresponds to indoor unit for when detecting startup operating instruction, obtaining startup operating instruction
Indoor environment temperature and set temperature；
In the present embodiment, the one drag two air-conditioning is the variable capacitance air conditioner for being configured with double-cylinder variable-capacity compressor, described double
There is cylinder positive displacement compressor the first cylinder and the second cylinder, the capacity of the first cylinder and the second cylinder to configure by a certain percentage,
For example, the capacity of the first cylinder and the second cylinder presses 1：1 proportional arrangement realizes 1P limits of power fortune when then single cylinder is run
Row realizes the operation of 2P limits of power when twin-tub is run.When two indoor units are run, the first cylinder of double-cylinder variable-capacity compressor with
Second cylinder is run simultaneously, that is, is pressed 2P limits of power and run, and when an indoor unit is run, double-cylinder variable-capacity compressor only controls one
A cylinder (for example, first cylinder) is run by 1P limits of power.When detecting starting of air conditioner instruction, indoor environment temperature is obtained
Deng the indoor environment temperature can be obtained by temperature sensor, be also based on the temperature monitor being connect with air conditioner
Or other electronic equipments detect to obtain.
The computing module 20, the temperature difference for calculating indoor environment temperature and set temperature are the first temperature difference；
The control module 30, when the startup operating instruction is to start an indoor unit, and the value of the first temperature difference is big
When predetermined threshold value, control double-cylinder variable-capacity compressor single cylinder operation；And
When the startup operating instruction is to start two indoor units, and an at least indoor unit corresponds to the first temperature calculated
When the value of degree difference is more than predetermined threshold value, control double-cylinder variable-capacity compressor twin-tub operation.
When getting indoor environment temperature with set temperature, the temperature difference for calculating indoor environment temperature and set temperature is
First temperature difference, in the present embodiment, first temperature difference are the difference that the indoor environment temperature subtracts the set temperature
Value；Predetermined threshold value is pre-set threshold value when air conditioner dispatches from the factory, and user can also be arranged by Air Conditioner Remote equipment presets threshold
Value updates predetermined threshold value according to user instruction or indoor environment situation, for example, be 2 or 3 when refrigeration, when heating is -3 or -5；
Since the air conditioner is configured with two indoor units, in actual use, a wherein indoor unit may be only opened, also may be used
Two indoor units can be opened；When detecting that starts an operating instruction, a wherein indoor unit is only opened in expression, in the first temperature
When the value of degree difference is more than predetermined threshold value, control double-cylinder variable-capacity compressor single cylinder operation；Since two indoor units are by two remote controlers
It controls respectively, when opening two indoor units, two start operating instruction and not necessarily received simultaneously by air conditioner, therefore, are examining
The value for measuring the time difference of two startup operating instructions is less than the value of difference of preset object time, and starting operation by described two refers to
Be indicated by enabling while opening two indoor units, then it is big in the value that at least an indoor unit corresponds to the first temperature difference calculated
When predetermined threshold value, control double-cylinder variable-capacity compressor twin-tub operation；The value of preset object time difference is that air conditioner is pre- when dispatching from the factory
The value of object time difference can also be arranged by Air Conditioner Remote equipment or according to user by the value for the object time difference being first arranged, user
The value of instruction or indoor environment situation update object time difference, for example, 5 seconds or 10 seconds.
The present embodiment is one or two according to operating instruction is started, and determines that double-cylinder variable-capacity compressor is opened with single cylinder or twin-tub
Dynamic operation can be effectively prevented from the case where double-cylinder variable-capacity compressor frequent start-stop carries out single twin-tub switching, make twin-tub transfiguration pressure
Contracting machine is reliable for operation, smaller to the influence of fluctuations of power grid.
Further, the control module 30 is additionally operable to detecting another indoor unit startup operating instruction, and at least
When having an indoor unit to correspond to the value of the first temperature difference calculated more than predetermined threshold value, control double-cylinder variable-capacity compressor is transported from single cylinder
Row is switched to twin-tub operation.
In actual use, it may be then turned on another indoor unit after opening wherein an indoor unit, therefore,
After air conditioner receives a startup operating instruction and controls the operation of double-cylinder variable-capacity compressor single cylinder, then detect an interior
When machine starts operating instruction, calculates startup operating instruction and correspond to indoor unit and be currently running the corresponding indoor environment of indoor unit
The temperature difference of temperature and set temperature updates the value of the first temperature difference, and the first temperature calculated is corresponded in an at least indoor unit
When the value of degree difference is more than predetermined threshold value, since two indoor units work at the same time, in order to make indoor environment temperature reach setting as early as possible
Temperature, the refrigerating capacity/heating capacity needed is more, then controls double-cylinder variable-capacity compressor and be switched to twin-tub operation from single cylinder operation.
The present embodiment is during an indoor unit is run, when being then turned on another indoor unit, according to indoor environment temperature
Degree situation controls double-cylinder variable-capacity compressor and is switched to twin-tub operation from single cylinder operation, increases refrigerating capacity/heating capacity, meets two rooms
Interior machine operation demand.
Further, the control module 30 is additionally operable in the indoor unit of operation be two, and detects that a shutdown refers to
When enabling, control double-cylinder variable-capacity compressor is switched to single cylinder operation from twin-tub operation.
In actual use, in fact it could happen that after opening two indoor units, close the feelings of wherein one indoor unit again
Condition detects a shutdown command, that is, indicates a certain indoor unit in two indoor units when the indoor unit of operation is two
Out of service, the demand of the refrigerating capacity/heating capacity generated accordingly to double-cylinder variable-capacity compressor can also be reduced, then control twin-tub change
Positive displacement compressor is switched to single cylinder operation from twin-tub operation, and to reduce the refrigerating capacity/heating capacity generated, the control that can stablize also is located
In the corresponding indoor environment temperature state of the indoor unit of operating status, at the same it is energy saving.Further, user may also wish
Two indoor units are simultaneously closed off, since two indoor units are controlled respectively by two remote controlers, when closing two indoor units, two passes
Machine instruction is not necessarily received by air conditioner simultaneously, therefore, is less than in the value for detecting the time difference of two shutdown commands default
Object time difference value, will be to simultaneously close off two indoor units indicated by two shutdown commands, then directly by twin-tub
Positive displacement compressor is switched to closed state from twin-tub operation, can be switched to list from twin-tub operation to avoid by double-cylinder variable-capacity compressor
The case where cylinder operation turns off, it is possible to reduce the switching times of double-cylinder variable-capacity compressor keep double-cylinder variable-capacity compressor reliable for operation,
It is smaller to the influence of fluctuations of power grid.
The present embodiment indoors machine by two operation become one operation when, control double-cylinder variable-capacity compressor from twin-tub run
Be switched to single cylinder operation, the control that can stablize also in operating status the corresponding indoor environment temperature state of indoor unit, together
When it is energy saving.
Further, the computing module 20 is additionally operable to, when the indoor unit of operation is two, calculate the first indoor unit pair
The temperature difference of the indoor environment temperature and set temperature answered be second temperature it is poor, the corresponding indoor environment temperature of the second indoor unit with
The temperature difference of set temperature is third temperature difference；
In general, two indoor units are mounted on different rooms, due to the area, heat insulation effect and service condition in two rooms
Etc. differences, so that indoor environment temperature is reached set temperature and/or refrigerating capacity/heating capacity needed for the set temperature kept also
Different, therefore, in actual moving process, the temperature change in two rooms also can be different, in fact it could happen that room
Indoor environment temperature already close to set temperature, the indoor environment temperature in another room and the gap of set temperature also compared with
Greatly, it is therefore desirable to which refrigerating capacity/system is discharged to indoor unit according to the temperature difference of the indoor environment temperature in two rooms and set temperature
Heat is adjusted, in one embodiment, in real time or fixed when two indoor units (the first indoor unit and the second indoor unit) is run
When obtain the first indoor unit and the corresponding indoor environment temperature of the second indoor unit and set temperature, and calculate the first indoor unit and correspond to
Indoor environment temperature and set temperature temperature difference be second temperature it is poor, the corresponding indoor environment temperature of the second indoor unit with set
The temperature difference of constant temperature degree is third temperature difference；So as to the fortune according to the value of the value of second temperature difference and third temperature difference to air conditioner
Row state is adjusted.
The control module 30 is additionally operable to, when the value of second temperature difference is more than the value of the third temperature difference, increase
The electromagnetism valve opening of big first indoor unit and/or the electromagnetism valve opening for reducing the second indoor unit；And
When the value of second temperature difference is less than the value of the third temperature difference, the solenoid valve for reducing the first indoor unit is opened
Degree and/or the electromagnetism valve opening for increasing the second indoor unit.
The value of second temperature difference is more than the value of the third temperature difference, indicates the corresponding indoor environment temperature of the first indoor unit
Reach refrigerating capacity/heating capacity needed for set temperature and reaches set temperature institute more than the corresponding indoor environment temperature of the second indoor unit
Therefore refrigerating capacity/the heating capacity needed is adjusted the operating status of air conditioner, for example, increasing the solenoid valve of the first indoor unit
Aperture and/or the electromagnetism valve opening for reducing the second indoor unit, and/or increase wind deflector angle and/or the reduction of the first indoor unit
The wind deflector angle of second indoor unit, and/or increase the wind speed of the first indoor unit and/or reduce the wind speed of the second indoor unit；When
So may also the corresponding indoor environment temperature of the first indoor unit reach refrigerating capacity/heating capacity needed for set temperature be less than second Room
The corresponding indoor environment temperature of interior machine reaches refrigerating capacity/heating capacity needed for set temperature, i.e., the value of second temperature difference is less than the
The value of three temperature differences includes then reducing electromagnetism valve opening and/or the increasing of the first indoor unit to the adjusting of the operating status of air conditioner
The electromagnetism valve opening of big second indoor unit, and/or reduce the wind deflector angle of the first indoor unit and/or increase the second indoor unit
Wind deflector angle, and/or reduce the wind speed of the first indoor unit and/or increase the wind speed of the second indoor unit.Above-mentioned regulative mode is
It is adjusted by the operating status of the hardware to air conditioner, to change refrigerating capacity/heating capacity of two indoor units output, two
In the case of the external conditions such as a room area are comparable, the interior in two rooms can be effectively adjusted by above-mentioned control mode
Environment temperature achievees the purpose that set temperature；But when the area or apparent use condition gap in two rooms, it can also lead to
It crosses and the specification etc. of hardware is transformed, to adapt to the actual use demand in two rooms, for example, a large amount of refrigeration will be usually required
The evaporator of the corresponding indoor unit in room of amount/heating capacity is changed to the evaporator of bigger specification.
Demand of the present embodiment according to two rooms to refrigerating capacity/heating capacity adjusts the electromagnetism valve opening of two indoor units,
Make the indoor environment temperature in two rooms that can reach as early as possible and be maintained within the scope of set temperature.
Further, the control module 30 is additionally operable to run in the first indoor unit, and the value of second temperature difference is small
It is run in the value of preset 4th temperature difference, or in the second indoor unit, the value of the third temperature difference is less than preset 4th temperature
When spending the value of difference, controls double-cylinder variable-capacity compressor and outdoor fan is closed；And
It is run in the first indoor unit and the second indoor unit, and the value of second temperature difference is less than preset 4th temperature difference
Value and the value of third temperature difference when being less than the value of preset 4th temperature difference, control double-cylinder variable-capacity compressor and outdoor wind
Organ closes.
When an only indoor unit operation, for example, being run for the first indoor unit, the value of second temperature difference is less than preset
When the value of the 4th temperature difference, or when the second indoor unit is run, and the value of third temperature difference is less than the value of preset 4th temperature difference,
I.e. under refrigeration mode, under indoor environment temperature is less than set temperature is more or heating mode, indoor environment temperature is higher than setting temperature
It spends more, indicates that refrigerating capacity/heating capacity for generating is more when double-cylinder variable-capacity compressor is run at this time, be more than the heat damage in room
Consumption, will cause the difference of indoor environment temperature and set temperature further increase or double-cylinder variable-capacity compressor run when generate
Refrigerating capacity/heating capacity close to room thermal losses, double-cylinder variable-capacity compressor continue to run with will cause indoor environment temperature need
Long period can be only achieved set temperature, angularly considers from energy saving and raising users'comfort, controls twin-tub transfiguration pressure
Contracting machine and outdoor fan are closed；When two indoor units are run simultaneously, the value of second temperature difference is less than preset 4th temperature difference
Value and the value of third temperature difference when being less than the value of preset 4th temperature difference, that is, the corresponding indoor environment temperature of indoor unit that runs
Degree, i.e., under refrigeration mode, under indoor environment temperature is less than set temperature is more or heating mode, indoor environment temperature is higher than setting
Constant temperature degree is more, indicates that the refrigerating capacity/heating capacity generated when double-cylinder variable-capacity compressor is run at this time is more, has been more than the heat in room
Amount loss, will cause the difference of indoor environment temperature and set temperature further increase or double-cylinder variable-capacity compressor run when
For refrigerating capacity/heating capacity of generation close to the thermal losses in room, double-cylinder variable-capacity compressor, which continues to run with, will lead to indoor environment temperature
Degree needs the long period to can be only achieved set temperature, angularly considers that control twin-tub becomes from energy saving and raising users'comfort
Positive displacement compressor and outdoor fan are closed.The value of preset 4th temperature difference is pre-set 4th temperature when air conditioner dispatches from the factory
Difference is spent, the 4th temperature gap can also be arranged by Air Conditioner Remote equipment or according to user instruction or indoor environment situation by user
The 4th temperature gap is updated, or according to the rate of change of indoor environment temperature and set temperature difference, and/or combines room
The factors such as thermal losses automatically adjust the 4th temperature gap.
The present embodiment is respectively less than the 4th temperature in the corresponding indoor environment temperature of indoor unit of operation and the difference of set temperature
When spending difference, control double-cylinder variable-capacity compressor and outdoor fan and close, avoid the difference of indoor environment temperature and set temperature into
One step increases.
Air conditioner with surplus indoor unit control device 100 based on above-described embodiment description, it is also proposed that a kind of air conditioner with surplus indoor unit, ginseng
Fig. 8 is examined, the air conditioner with surplus indoor unit includes above-mentioned air conditioner with surplus indoor unit control device 100, further includes：With the control module 10
The outdoor unit 200 of connection and the first indoor unit 300 and the second indoor unit 400 being connect with acquisition module 10.
When acquisition module 10 detects startup operating instruction, controlled according to being exported the case where indoor environment temperature and set temperature
System instruction, control module receive the operation conditions of the double-cylinder variable-capacity compressor of control instruction control outdoor unit 200, outdoor unit 200
Refrigerating capacity/heating capacity for generating of double-cylinder variable-capacity compressor operation be transmitted to the through 300/ second indoor unit 400 of the first indoor unit
The room of one room/second adjusts the humiture in the room of the first room/second.
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 (10)
1. a kind of air conditioner with surplus indoor unit control method, which is characterized in that include the following steps：
When detecting startup operating instruction, obtains startup operating instruction and correspond to the indoor environment temperature of indoor unit and set warm
Degree；
The temperature difference for calculating indoor environment temperature and set temperature is the first temperature difference；
When the startup operating instruction is one indoor unit of startup, and the value of the first temperature difference is more than predetermined threshold value, control is double
Cylinder positive displacement compressor single cylinder is run；
When the startup operating instruction is to start two indoor units, and at least an indoor unit corresponds to the first temperature difference calculated
Value be more than predetermined threshold value when, control double-cylinder variable-capacity compressor twin-tub operation.
2. air conditioner with surplus indoor unit control method as described in claim 1, which is characterized in that control double-cylinder variable-capacity compressor single cylinder
After the step of operation, further include：
Detecting another indoor unit startup operating instruction, and at least an indoor unit corresponds to the first temperature difference calculated
When value is more than predetermined threshold value, control double-cylinder variable-capacity compressor is switched to twin-tub operation from single cylinder operation.
3. air conditioner with surplus indoor unit control method as claimed in claim 1 or 2, which is characterized in that the method further includes：
It it is two in the indoor unit of operation, and when detecting a shutdown command, control double-cylinder variable-capacity compressor is run from twin-tub
It is switched to single cylinder operation.
4. air conditioner with surplus indoor unit control method as claimed in claim 3, which is characterized in that the method further includes：
When the indoor unit of operation is two, the temperature difference of the first indoor unit corresponding indoor environment temperature and set temperature is calculated
Poor for second temperature, the temperature difference of the corresponding indoor environment temperature of the second indoor unit and set temperature is third temperature difference；
When the value of second temperature difference is more than the value of the third temperature difference, increase the electromagnetism valve opening of the first indoor unit
And/or reduce the electromagnetism valve opening of the second indoor unit；
When the value of second temperature difference is less than the value of the third temperature difference, the electromagnetism valve opening of the first indoor unit is reduced
And/or increase the electromagnetism valve opening of the second indoor unit.
5. air conditioner with surplus indoor unit control method as claimed in claim 4, which is characterized in that the method further includes：
It is run in the first indoor unit, and the value of second temperature difference is less than the value of preset 4th temperature difference, or in second Room
Interior machine operation, when the value of the third temperature difference is less than the value of preset 4th temperature difference, controls double-cylinder variable-capacity compressor and room
Exogenous wind organ closes；
It is run in the first indoor unit and the second indoor unit, and the value of second temperature difference is less than the value of preset 4th temperature difference
And the value of the third temperature difference controls double-cylinder variable-capacity compressor and outdoor fan and closes when being less than the value of preset 4th temperature difference
It closes.
6. a kind of air conditioner with surplus indoor unit control device, which is characterized in that including：
Acquisition module, for when detecting startup operating instruction, obtaining and starting the indoor environment that operating instruction corresponds to indoor unit
Temperature and set temperature；
Computing module, the temperature difference for calculating indoor environment temperature and set temperature are the first temperature difference；
Control module, for being to start an indoor unit, and the value of the first temperature difference is more than default when the startup operating instruction
When threshold value, control double-cylinder variable-capacity compressor single cylinder operation；And
When the startup operating instruction is to start two indoor units, and at least an indoor unit corresponds to the first temperature difference calculated
Value be more than predetermined threshold value when, control double-cylinder variable-capacity compressor twin-tub operation.
7. air conditioner with surplus indoor unit control device as claimed in claim 6, which is characterized in that the control module is additionally operable to
Detect that another indoor unit starts operating instruction, and the value that at least an indoor unit corresponds to the first temperature difference calculated is more than
When predetermined threshold value, control double-cylinder variable-capacity compressor is switched to twin-tub operation from single cylinder operation.
8. air conditioner with surplus indoor unit control device as claimed in claims 6 or 7, which is characterized in that the control module is additionally operable to
It it is two in the indoor unit of operation, and when detecting a shutdown command, control double-cylinder variable-capacity compressor is run from twin-tub to be switched
It is run to single cylinder.
9. air conditioner with surplus indoor unit control device as claimed in claim 8, which is characterized in that the computing module is additionally operable to
When the indoor unit of operation is two, the temperature difference for calculating the corresponding indoor environment temperature of the first indoor unit and set temperature is second
The temperature difference of temperature difference, the corresponding indoor environment temperature of the second indoor unit and set temperature is third temperature difference；
The control module is additionally operable to, when the value of second temperature difference is more than the value of the third temperature difference, increase first
The electromagnetism valve opening of indoor unit and/or the electromagnetism valve opening for reducing the second indoor unit；And
When the value of second temperature difference is less than the value of the third temperature difference, the electromagnetism valve opening of the first indoor unit is reduced
And/or increase the electromagnetism valve opening of the second indoor unit.
10. air conditioner with surplus indoor unit control device as claimed in claim 9, which is characterized in that the control module is additionally operable to
First indoor unit is run, and the value of second temperature difference is less than the value of preset 4th temperature difference, or is transported in the second indoor unit
Row when the value of the third temperature difference is less than the value of preset 4th temperature difference, controls double-cylinder variable-capacity compressor and outdoor fan
It closes；And
It is run in the first indoor unit and the second indoor unit, and the value of second temperature difference is less than the value of preset 4th temperature difference
And the value of the third temperature difference controls double-cylinder variable-capacity compressor and outdoor fan and closes when being less than the value of preset 4th temperature difference
It closes.
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| CN201610601118.9A CN106152414B (en) | 2016-07-26 | 2016-07-26 | Air conditioner with surplus indoor unit control method and device |
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| CN201610601118.9A CN106152414B (en) | 2016-07-26 | 2016-07-26 | Air conditioner with surplus indoor unit control method and device |
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| CN106871513B (en) * | 2017-04-13 | 2021-05-25 | 青岛海尔空调器有限总公司 | Radiation type wall-mounted air conditioner and control method |
| CN109269052B (en) * | 2018-09-20 | 2019-06-25 | 珠海格力电器股份有限公司 | Air-conditioning system and its control method |
| CN109186042B (en) * | 2018-09-20 | 2020-02-21 | 珠海格力电器股份有限公司 | Defrosting method for air conditioner |
| CN111174395A (en) * | 2020-01-03 | 2020-05-19 | 珠海格力电器股份有限公司 | Air supply control method and device, storage medium and multi-split system |
| TWI735378B (en) * | 2020-11-11 | 2021-08-01 | 東元電機股份有限公司 | Intelligent air conditioning system and method |
| CN114576829A (en) * | 2020-11-30 | 2022-06-03 | 广东美的制冷设备有限公司 | Multi-connected air conditioner, control method thereof and computer readable storage medium |
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| CN106152414A (en) | 2016-11-23 |
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