CN107062529B - Multi-line system and its mode switch control method - Google Patents
Multi-line system and its mode switch control method Download PDFInfo
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- CN107062529B CN107062529B CN201710128302.0A CN201710128302A CN107062529B CN 107062529 B CN107062529 B CN 107062529B CN 201710128302 A CN201710128302 A CN 201710128302A CN 107062529 B CN107062529 B CN 107062529B
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- indoor unit
- open state
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- line system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
Abstract
The invention discloses a kind of multi-line system and its mode switch control method, the multi-line system includes outdoor unit and N number of indoor unit, it the described method comprises the following steps: when outdoor unit, which receives in heating mode operating instruction and N number of indoor unit, has i indoor unit to receive heating power-on instruction, judging whether outdoor unit runs in a chiller mode in the continuous preset time before this booting operation；If outdoor unit is run in a chiller mode in the continuous preset time before this booting operation, it then controls and is not in the indoor unit of open state in N number of indoor unit and opens, and the wind deflector for controlling the indoor unit for being not in open state opens the first predetermined angle, so that the vapor discharge being not in the indoor unit of open state.When being switched to heating mode by refrigeration mode to efficiently solving outdoor unit, the problem of ponding condenses dropping liquid after being evaporated again in the indoor unit that is not keyed up, user experience is substantially increased.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to the mode switch control method and one kind of a kind of multi-line system
Multi-line system.
Background technique
Since multi-line system has the advantages that indoor unit independent control, using flexible, occupancy installation space are small, answer extensively
For the middle-size and small-size region such as office, villa.
More than ten or even tens indoor units are usually mounted under an outdoor unit, multiple rooms by existing installation environment
It is communicated between interior machine and outdoor unit by connection.In some areas, summer and winter transition are very fast, such as South China,
After cooling in summer, the inside of indoor unit has condensed water of the part from heat exchanger and accumulates in drip tray machine indoors,
Since the water level in drip tray is very low, can not be discharged from the drip tray of indoor unit.And to winter, by winter cold day
Gas influences, and when the booting heating for the first time of part indoor unit, deposits refrigerant, the interior not usually being switched in heat exchanger in order to prevent
The electric expansion valve of machine opens lesser aperture, so that the gaseous coolant in heat exchanger keeps flowing.
But since the drip tray of indoor unit is located at the lower section of heat exchanger, when the higher gaseous coolant of temperature flows through heat exchanger
When, the water accumulated in drip tray can be heated, the water in drip tray is made gradually to flash to vapor.At this point, the indoor unit being not keyed up
Vapor in enclosure space is encountered by extraneous sub-cooled and the metal plate at the top of the lower fan blade of temperature and interior machine, can condense into
Water droplet, and be attached on fan blade and top metal plate.And the condensed water being attached on the fan blade and metal plate of the indoor unit that do not open can be swept away
The dust on its surface is gradually pooled to fan blade center, drops on the desktop of office, in turn result under gravity
Desktop is polluted by dirty water.If the water accumulated in the drip tray of indoor unit is discharged, reach 250ml or so sometimes.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, can be incited somebody to action an object of the present invention is to provide a kind of mode switch control method of multi-line system
The vapor being not in the indoor unit of open state excludes, and efficiently solves outdoor unit by refrigeration mode and is switched to heating mode
When, the problem of ponding condenses dropping liquid after being evaporated again in the indoor unit that is not keyed up, substantially increase user experience.
It is another object of the present invention to propose a kind of multi-line system.
To achieve the above object, one aspect of the present invention embodiment proposes a kind of pattern switching controlling party of multi-line system
Method, the multi-line system include outdoor unit and N number of indoor unit, wherein N is the integer greater than 1, and the method includes following steps
It is rapid: to there is i indoor unit to receive heating when the outdoor unit receives in heating mode operating instruction and N number of indoor unit
When power-on instruction, judge whether the outdoor unit is transported in a chiller mode in the continuous preset time before this booting operation
Row, wherein i is the integer greater than 1 and less than N；If the outdoor unit is in the continuous preset time before this booting operation
With refrigeration mode operation, then controls and be not in the indoor unit of open state in N number of indoor unit and open, and control
The wind deflector of the indoor unit for being not in open state opens the first predetermined angle, so that the open state that is not in
Vapor discharge in indoor unit.
The mode switch control method of multi-line system according to an embodiment of the present invention, when outdoor unit receives heating mode
When thering is i indoor unit to receive heating power-on instruction in operating instruction and N number of indoor unit, if outdoor unit is in this booting fortune
It is run in a chiller mode in continuous preset time before row, then controls the indoor unit for being not in open state in N number of indoor unit
It opens, and the wind deflector for controlling the indoor unit for being not in open state opens the first predetermined angle, so as to be not in booting
Vapor discharge in the indoor unit of state.When being switched to heating mode by refrigeration mode to efficiently solve outdoor unit, not
The problem of condensing dropping liquid after ponding is evaporated in the indoor unit of booting again, substantially increases user experience.
According to one embodiment of present invention, the wind deflector for the indoor unit for being not in open state described in the control is opened
When first predetermined angle, the blower of the indoor unit of open state is also not in described in control with the first default wind speed fortune
Row.
According to one embodiment of present invention, the described first default wind speed is the minimum permission wind speed of the blower.
According to one embodiment of present invention, be not in described in the control open state indoor unit open first it is default when
Between after, whether the indoor unit that open state is not in described in judgement receives heating power-on instruction, wherein if described be not in
The indoor unit of open state receives the heating power-on instruction, then controls the indoor unit and switch to normal heating mode；If
The indoor unit for being not in open state does not receive the heating power-on instruction, then controls indoor unit shutdown.
To achieve the above object, a kind of multi-line system that another aspect of the present invention embodiment proposes, comprising: outdoor unit；N
A indoor unit, wherein N is the integer greater than 1；Control module, the control module are used to receive heating when the outdoor unit
When thering is i indoor unit to receive heating power-on instruction in mode operation instruction and N number of indoor unit, the outdoor unit is judged
Whether run in a chiller mode in the continuous preset time before this booting operation, wherein if the outdoor unit is at this
With refrigeration mode operation in continuous preset time before secondary booting operation, the control module then controls N number of room
The indoor unit that open state is not in interior machine is opened, and the wind deflector for the indoor unit for being not in open state described in control is equal
Open the first predetermined angle so that it is described be not in the indoor unit of open state vapor discharge, wherein i be greater than 1 and
Integer less than N.
Multi-line system according to an embodiment of the present invention, when outdoor unit receives heating mode operating instruction and N number of interior
When having i indoor unit to receive heating power-on instruction in machine, control module judges that outdoor unit is continuous before this booting operation
Whether run in a chiller mode in preset time.If so, control module, which then controls in N number of indoor unit, is not in open state
Indoor unit open, and control the wind deflector of indoor unit for being not in open state and open the first predetermined angle, so that not
Vapor discharge in indoor unit in open state.Heating mould is switched to by refrigeration mode to efficiently solve outdoor unit
When formula, the problem of ponding condenses dropping liquid after being evaporated again in the indoor unit that is not keyed up, user experience is substantially increased.
According to one embodiment of present invention, the control module is not in the indoor unit of open state described in the control
When wind deflector opens first predetermined angle, the blower of the indoor unit of open state is also not in described in control with first
Default wind speed operation.
According to one embodiment of present invention, the described first default wind speed is the minimum permission wind speed of the blower.
According to one embodiment of present invention, the indoor unit that the control module is not in open state described in the control is opened
After opening the first preset time, whether the indoor unit that open state is also not in described in judgement receives heating power-on instruction, wherein
If the indoor unit for being not in open state receives the heating power-on instruction, control module if, controls the interior
Machine-cut shifts to normal heating mode；If the indoor unit for being not in open state does not receive the heating power-on instruction,
The control module then controls indoor unit shutdown.
Detailed description of the invention
Fig. 1 is the flow chart of the mode switch control method of multi-line system according to an embodiment of the present invention；
Fig. 2 is the flow chart of the mode switch control method of multi-line system according to an embodiment of the invention；And
Fig. 3 is the block diagram of multi-line system according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The mode switch control method of the multi-line system proposed according to embodiments of the present invention described with reference to the accompanying drawings
And multi-line system.
Fig. 1 is the flow chart of the mode switch control method of multi-line system according to an embodiment of the present invention.In the present invention
Embodiment in, multi-line system may include outdoor unit and N number of indoor unit, wherein N is integer greater than 1.
As shown in Figure 1, the mode switch control method of the multi-line system can comprise the following steps that
S1 has i indoor unit to receive heating when outdoor unit receives in heating mode operating instruction and N number of indoor unit
When power-on instruction, judge whether outdoor unit runs in a chiller mode in the continuous preset time before this booting operation.Its
In, i is the integer greater than 1 and less than N, and preset time can be demarcated according to the actual situation.
S2 controls N if outdoor unit is run in a chiller mode in the continuous preset time before this booting operation
The indoor unit that open state is not in a indoor unit is opened, and the wind deflector for controlling the indoor unit for being not in open state is equal
The first predetermined angle is opened, so that the vapor discharge being not in the indoor unit of open state.Wherein, the first predetermined angle can
It is demarcated according to the actual situation.
Specifically, after multi-line system works on power, when outdoor unit receives heating mode operating instruction, and it is N number of
It is outdoor in continuous a period of time before obtaining this booting operation when part indoor unit receives heating power-on instruction in indoor unit
The operational mode of machine.If outdoor unit is run in a chiller mode in continuous a period of time before this booting operation, and not with system
Heat pattern was run, then opened dehumidifying movement.
For example, outdoor unit will be switched to heating mode by refrigeration mode when summer being transitioned into winter quickly, for the first time with
When heating mode is run, if only having part indoor unit to receive heating power-on instruction at this time, it is not in the room of open state
Water in the drip tray of interior machine will be flowed through the high temperature refrigerant heating evaporation of heat exchanger, and finally water droplet is formed in condensation, and then is gone out
The phenomenon that being dripped outside existing water droplet.And occur dripping phenomenon outside water droplet in order to prevent, outdoor unit will be opened dehumidifying and be acted, that is, enforced opening
It is not in the indoor unit (not receiving the indoor unit of heating power-on instruction) of open state, and the room that open state will be not in
The wind deflector of interior machine opens certain angle (such as the first predetermined angle), so that the vapor being evaporated in indoor unit passes through wind-guiding
Plate is expelled directly out, when efficiently solving outdoor unit and being switched to heating mode by refrigeration mode, ponding quilt in the indoor unit that is not keyed up
The problem of condensing dropping liquid after evaporation again, substantially increases user experience.
Further, according to one embodiment of present invention, the wind deflector of the indoor unit of open state is not in control
When opening the first predetermined angle, also control is not in the blower of the indoor unit of open state with the first default wind speed operation.
Wherein, the first default wind speed is the minimum permission wind speed of blower.
Specifically, being not in the indoor unit of open state in control in order to which the vapor in indoor unit is discharged as early as possible
Wind deflector while open certain angle, the blower of also control respective chambers machine is opened, to be dried by blower by vapor
Quickly discharge effectively shortens and does not receive the runing time that heating power-on instruction is but forced the indoor unit being switched on.
It should be noted that blower opens after-blow to people in order to prevent, bad experience is brought to user, can control blower
With the operation of lower wind speed, for example, control blower is run with minimum permission wind speed, and wind deflector is opened into lesser angle, this
Sample can not only achieve the purpose that rapid moisture removal, and smaller to customer impact.In addition, when only opening wind deflector, due to not having
There is blower blowing, so will not be impacted to user, and in order to guarantee that vapor can be quickly discharged, wind deflector at this time
Angle can open larger.
Therefore, the mode switch control method of multi-line system according to an embodiment of the present invention, in outdoor unit for the first time with system
Heat pattern operation, and only part indoor unit open when, the indoor unit of open state is not in by enforced opening, and control phase
Wind deflector is answered to open smaller angle, and the corresponding blower of control is run with lower wind speed, so as to be not in the interior of open state
Vapor rapid evaporation in machine, prevent vapor be condensed in machine indoors dropping liquid the problem of, substantially increase user
Experience.
Further, according to one embodiment of present invention, first is opened in the indoor unit that control is not in open state
After preset time, whether the indoor unit that judgement is not in open state receives heating power-on instruction, wherein if be not in out
The indoor unit of machine state receives heating power-on instruction, then controls the indoor unit and switch to normal heating mode；If be not in
The indoor unit of open state does not receive heating power-on instruction, then controls indoor unit shutdown.Wherein, the first preset time can root
It is demarcated according to actual conditions.
Specifically, since the water accumulated in the drip tray of indoor unit is limited (generally below 250ml), in order to
It avoids the occurrence of and is not in the indoor unit of open state and is constantly in open state, user is impacted, is not located in enforced opening
After the indoor unit of open state, be delayed the first preset time, judges whether each indoor unit for being forced booting receives system
Hot power-on instruction.If received, controls respective chambers machine-cut and shift to normal heating mode；If do not received, control
Respective chambers machine restores off-mode.But it is forced the indoor unit one opened to effectively avoid not receiving heating power-on instruction
It is straight in the open state, it results in waste of resources and user is impacted.
To make those skilled in the art better understand the present invention.Fig. 2 is according to an embodiment of the invention multi-joint
The flow chart of the mode switch control method of machine system.As shown in Fig. 2, the mode switch control method of the multi-line system can wrap
Include following steps:
S101, multi-line system work on power.
S102, outdoor unit receives heating mode operating instruction and only part indoor unit receives heating power-on instruction.
S103, whether outdoor unit runs in a chiller mode in continuous a period of time before judging this booting operation, and
Not running crosses heating mode.If so, executing step S104；If not, executing step S108.
S104 executes dehumidifying movement.
S105, the indoor unit that enforced opening is not keyed up, blower are run with low wind speed, and turn the aperture of wind deflector down.
S106 was delayed after a period of time, and whether the indoor unit that judgement is forced to open receives heating power-on instruction.If
It is to execute step S107；If not, executing step S108.
S107, the indoor unit for controlling and receiving heating power-on instruction switch to normal heating mode.
S108, control do not receive the indoor unit shutdown of heating power-on instruction.
In conclusion the mode switch control method of multi-line system according to an embodiment of the present invention, when outdoor unit receives
When thering is i indoor unit to receive heating power-on instruction into heating mode operating instruction and N number of indoor unit, if outdoor unit exists
It is run in a chiller mode in continuous preset time before this booting operation, then controls and be not in booting shape in N number of indoor unit
The indoor unit of state is opened, and the wind deflector for controlling the indoor unit for being not in open state opens the first predetermined angle, so that
The vapor discharge being not in the indoor unit of open state.Heating is switched to by refrigeration mode to efficiently solve outdoor unit
When mode, the problem of ponding condenses dropping liquid after being evaporated again in the indoor unit that is not keyed up, user experience is substantially increased.
Fig. 3 is the block diagram of multi-line system according to an embodiment of the present invention.As shown in figure 3, the multi-line system
Can include: outdoor unit 10, N number of indoor unit 20 and control module (not specifically illustrated in figure).
Wherein, N is the integer greater than 1.Control module is used to receive heating mode operating instruction and N when outdoor unit 10
When thering is i indoor unit to receive heating power-on instruction in a indoor unit 20, company of the outdoor unit 10 before this booting operation is judged
Whether run in a chiller mode in continuous preset time, wherein i is the integer greater than 1 and less than N, if outdoor unit 10 is at this
It is run in a chiller mode in continuous preset time before secondary booting operation, control module then controls not to be located in N number of indoor unit 20
It is opened in the indoor unit of open state, and the wind deflector for controlling the indoor unit for being not in open state opens the first preset angle
Degree, so that the vapor discharge being not in the indoor unit of open state.
According to one embodiment of present invention, control module is equal in the wind deflector for controlling the indoor unit for being not in open state
When opening the first predetermined angle, also control is not in the blower of the indoor unit of open state with the first default wind speed operation.
According to one embodiment of present invention, the first default wind speed is the minimum permission wind speed of blower.
According to one embodiment of present invention, control module opens first in advance in the indoor unit that control is not in open state
If after the time, whether the indoor unit that also judgement is not in open state receives heating power-on instruction, wherein if be not in out
The indoor unit of machine state receives heating power-on instruction, and control module then controls the indoor unit and switches to normal heating mode；Such as
The indoor unit that fruit is not in open state does not receive heating power-on instruction, and control module then controls indoor unit shutdown.
It should be noted that undisclosed details in the multi-line system of the embodiment of the present invention, please refers to implementation of the present invention
Details disclosed in the mode switch control method of the multi-line system of example, specific which is not described herein again.
Multi-line system according to an embodiment of the present invention, when outdoor unit receives heating mode operating instruction and N number of interior
When having i indoor unit to receive heating power-on instruction in machine, control module judges that outdoor unit is continuous before this booting operation
Whether run in a chiller mode in preset time.If so, control module, which then controls in N number of indoor unit, is not in open state
Indoor unit open, and control the wind deflector of indoor unit for being not in open state and open the first predetermined angle, so that not
Vapor discharge in indoor unit in open state.Heating mould is switched to by refrigeration mode to efficiently solve outdoor unit
When formula, the problem of ponding condenses dropping liquid after being evaporated again in the indoor unit that is not keyed up, user experience is substantially increased.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (8)
1. a kind of mode switch control method of multi-line system, which is characterized in that the multi-line system includes outdoor unit and N
A indoor unit, wherein N is the integer greater than 1, be the described method comprises the following steps:
There is i indoor unit to receive heating when the outdoor unit receives in heating mode operating instruction and N number of indoor unit
When power-on instruction, judge whether the outdoor unit is transported in a chiller mode in the continuous preset time before this booting operation
Row, wherein i is the integer greater than 1 and less than N；
If the outdoor unit, with refrigeration mode operation, controls in the continuous preset time before this booting operation
The indoor unit that open state is not in N number of indoor unit is opened, and the indoor unit of open state is not in described in control
Wind deflector open the first predetermined angle so that it is described be not in the indoor unit of open state vapor discharge.
2. the mode switch control method of multi-line system as described in claim 1, which is characterized in that do not locate control is described
When the wind deflector of the indoor unit of open state opens first predetermined angle, open state also is not in described in control
The blower of indoor unit is with the first default wind speed operation.
3. the mode switch control method of multi-line system as claimed in claim 2, which is characterized in that the first default wind
Speed is the minimum permission wind speed of the blower.
4. the mode switch control method of multi-line system as claimed in any one of claims 1-3, which is characterized in that controlling
After being not in indoor unit the first preset time of unlatching of open state described in system, the indoor unit of open state is not in described in judgement
Whether heating power-on instruction is received, wherein
If the indoor unit for being not in open state receives the heating power-on instruction, controls the indoor unit and switch to
Normal heating mode；
If the indoor unit for being not in open state does not receive the heating power-on instruction, the interior organ is controlled
Machine.
5. a kind of multi-line system characterized by comprising
Outdoor unit；
N number of indoor unit, wherein N is the integer greater than 1；
Control module, the control module are used to receive heating mode operating instruction and N number of interior when the outdoor unit
When thering is i indoor unit to receive heating power-on instruction in machine, judge that the outdoor unit is continuous default before this booting operation
Whether run in a chiller mode in time, wherein if continuous preset time of the outdoor unit before this booting operation
Inside with refrigeration mode operation, the control module then controls the interior that open state is not in N number of indoor unit
Machine is opened, and the wind deflector for the indoor unit for being not in open state described in control opens the first predetermined angle, so that described
The vapor discharge being not in the indoor unit of open state, wherein i is the integer greater than 1 and less than N.
6. multi-line system as claimed in claim 5, which is characterized in that the control module is not in booting described in the control
When the wind deflector of the indoor unit of state opens first predetermined angle, the indoor unit of open state is also not in described in control
Blower with the first default wind speed operation.
7. multi-line system as claimed in claim 6, which is characterized in that the first default wind speed is the minimum of the blower
Allow wind speed.
8. the multi-line system as described in any one of claim 5-7, which is characterized in that the control module is described in the control
Be not in open state indoor unit open the first preset time after, also judgement described in be not in open state indoor unit whether
Receive heating power-on instruction, wherein
If the indoor unit for being not in open state receives the heating power-on instruction, control should if the control module
Indoor unit switches to normal heating mode；
If the indoor unit for being not in open state does not receive the heating power-on instruction, control module if, is controlled
Indoor unit shutdown.
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| CN110762740A (en) * | 2019-10-12 | 2020-02-07 | 青岛海信日立空调系统有限公司 | Multi-connected air conditioner control method and device and multi-connected air conditioner control system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1376877A (en) * | 2001-03-23 | 2002-10-30 | 东芝开利株式会社 | Air conditioner |
| CN101021346A (en) * | 2007-03-21 | 2007-08-22 | 劳特斯空调(江苏)有限公司 | Air source heat pump air conditioner heat recovery total-fresh air processing method and the air conditioner system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5637437A (en) * | 1979-08-31 | 1981-04-11 | Toshiba Corp | Room air conditioner |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1376877A (en) * | 2001-03-23 | 2002-10-30 | 东芝开利株式会社 | Air conditioner |
| CN101021346A (en) * | 2007-03-21 | 2007-08-22 | 劳特斯空调(江苏)有限公司 | Air source heat pump air conditioner heat recovery total-fresh air processing method and the air conditioner system |
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