CN105737334B - 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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- CN105737334B CN105737334B CN201610097432.8A CN201610097432A CN105737334B CN 105737334 B CN105737334 B CN 105737334B CN 201610097432 A CN201610097432 A CN 201610097432A CN 105737334 B CN105737334 B CN 105737334B
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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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of multi-line system and its mode switch control methods, the described method comprises the following steps：When any one indoor unit in multiple indoor units receives pattern switching instruction, which, which instructs pattern switching and receive at the time of pattern switching instructs, is sent to part flow arrangement；The N number of indoor unit for receiving pattern switching instruction is ranked up at the time of part flow arrangement is instructed according to pattern switching, and obtains the pattern switching duration of each indoor unit in N number of indoor unit；Part flow arrangement controls corresponding heating control valve and refrigeration control valve so that N number of indoor unit successively carries out pattern switching according to the instruction of the pattern switching of each indoor unit in ranking results, pattern switching duration and N number of indoor unit.Indoor unit is ranked up at the time of this method is instructed according to pattern switching, and pattern switching is carried out to indoor unit sequence according to ranking results on the basis of pattern switching duration, avoids the problem of indoor unit operational mode concentrates switching in a short time.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to the mode switch control method and one of a kind of multi-line system
Kind multi-line system.
Background technique
For multi-line system, its operation characteristic is also to can satisfy user while meeting user's refrigeration demand
Heating needs, therefore in its operational process, indoor unit operational mode will be present by refrigeration mode and be switched to heating mode, or
The case where refrigeration mode is switched to by heating mode.
In general, different indoor units can refer to according to the pattern switching received when the switching of multiple indoor unit emergence patterns
It is responded at the time of order, inevitably just will appear multiple indoor units in this way in very short time interval while carrying out mould
The case where formula switches, so as to cause system fluctuation of service.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of mode switch control method of multi-line system, at the time of this method is instructed according to pattern switching
Indoor unit is ranked up, and mode is carried out to indoor unit sequence according to ranking results on the basis of pattern switching duration and is cut
It changes, avoids the problem of indoor unit operational mode concentrates switching in a short time.
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, multiple indoor units and part flow arrangement, and the part flow arrangement includes and the multiple room
The corresponding heating control valve of each indoor unit and refrigeration control valve, the described method comprises the following steps in interior machine：The multiple room
When any one indoor unit in interior machine receives pattern switching instruction, which instructs the pattern switching and receives
The pattern switching is sent to the part flow arrangement at the time of instruction；At the time of the part flow arrangement is instructed according to pattern switching pair
The N number of indoor unit for receiving pattern switching instruction is ranked up, and obtains each indoor unit in N number of indoor unit
Pattern switching duration, wherein N is positive integer；And the part flow arrangement is according to ranking results, the pattern switching duration and institute
The pattern switching instruction for stating each indoor unit in N number of indoor unit controls corresponding heating control valve and refrigeration control valve so that institute
It states N number of indoor unit and successively carries out pattern switching.
The mode switch control method of multi-line system according to an embodiment of the present invention, when any one in multiple indoor units
When a indoor unit receives pattern switching instruction, at the time of which instructs and receives pattern switching instruction for pattern switching
It is sent to part flow arrangement, to the N number of indoor unit for receiving pattern switching instruction at the time of part flow arrangement is instructed according to pattern switching
It is ranked up, and obtains the pattern switching duration of each indoor unit in N number of indoor unit, and cut according to ranking results, mode
The pattern switching instruction for changing each indoor unit in duration and N number of indoor unit controls corresponding heating control valve and refrigeration control valve
So that N number of indoor unit successively carries out pattern switching, to increase the order of pattern switching, indoor unit operation is effectively prevented
Mode concentrates the problem of switching in a short time, ensure that the stability of system, and quality and the user for improving system are satisfied
Degree.
According to one embodiment of present invention, the pattern switching duration of each indoor unit in N number of indoor unit is identical.
According to one embodiment of present invention, when the mode that any one indoor unit in the multiple indoor unit receives
When the corresponding switching type of switching command is that refrigeration mode switches to heating mode, the part flow arrangement first controls the indoor unit pair
The refrigeration control valve answered is closed, then is controlled the corresponding heating control valve of the indoor unit and opened.
According to another embodiment of the invention, when the mould that any one indoor unit in the multiple indoor unit receives
When the corresponding switching type of formula switching command is that heating mode switches to refrigeration mode, the part flow arrangement first controls the indoor unit
Corresponding heating control valve is closed, then is controlled the corresponding refrigeration control valve of the indoor unit and opened.
To achieve the above object, another aspect of the present invention embodiment proposes a kind of multi-line system, including：Outdoor unit；
Multiple indoor units；Part flow arrangement, the part flow arrangement include heating control corresponding with indoor unit each in the multiple indoor unit
Valve and refrigeration control valve processed, wherein, should when any one indoor unit in the multiple indoor unit receives pattern switching instruction
Indoor unit is sent to the part flow arrangement at the time of instructing and receive pattern switching instruction for the pattern switching；It is described
Part flow arrangement further includes：Control module, the control module at the time of instruction according to pattern switching to receiving the mould
N number of indoor unit of formula switching command is ranked up, and when obtaining the pattern switching of each indoor unit in N number of indoor unit
It is long, and referred to according to the pattern switching of each indoor unit in ranking results, the pattern switching duration and N number of indoor unit
It enables and controls corresponding heating control valve and refrigeration control valve so that N number of indoor unit successively carries out pattern switching, wherein N is
Positive integer.
Multi-line system according to an embodiment of the present invention, when any one indoor unit in multiple indoor units receives mode
When switching command, which, which instructs pattern switching and receive at the time of pattern switching instructs, is sent to part flow arrangement, point
The N number of indoor unit for receiving pattern switching instruction is arranged at the time of the control module of stream device is instructed according to pattern switching
Sequence, and the pattern switching duration of each indoor unit in N number of indoor unit is obtained, and according to ranking results, pattern switching duration
Pattern switching instruction with each indoor unit in N number of indoor unit controls corresponding heating control valve and refrigeration control valve so that N
A indoor unit successively carries out pattern switching, to increase the order of pattern switching, effectively prevents indoor unit operational mode
The problem of concentrating switching in a short time, ensure that the stability of system, improves the quality and user satisfaction of system.
According to one embodiment of present invention, the pattern switching duration of each indoor unit in N number of indoor unit is identical.
According to one embodiment of present invention, when the mode that any one indoor unit in the multiple indoor unit receives
When the corresponding switching type of switching command is that refrigeration mode switches to heating mode, the control module first controls the indoor unit pair
The refrigeration control valve answered is closed, then is controlled the corresponding heating control valve of the indoor unit and opened.
According to another embodiment of the invention, when the mould that any one indoor unit in the multiple indoor unit receives
When the corresponding switching type of formula switching command is that heating mode switches to refrigeration mode, the control module first controls the indoor unit
Corresponding heating control valve is closed, then is controlled the corresponding refrigeration control valve of the indoor unit and opened.
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 structural schematic diagram of multi-line system according to an embodiment of the invention.
Fig. 3 is the flow chart of the mode switch control method of multi-line system according to an embodiment of the invention.
Appended drawing reference：First indoor unit 11, the second indoor unit 12, third indoor unit 13, machine 14, refrigeration control in fourth ventricle
Valve SV1, SV2, SV3 and SV4, heating control valve SV1B, SV2B, SV3B and SV4B.
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.
Below with reference to the accompanying drawings the mode switch control method of the multi-line system proposed according to embodiments of the present invention described
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 an embodiment of the present invention, multi-line system includes outdoor unit, multiple indoor units and part flow arrangement, part flow arrangement
Including heating control valve corresponding with indoor unit each in multiple indoor units and refrigeration control valve.
Specifically, as shown in Fig. 2, multiple indoor units may include the first indoor unit, the second indoor unit ....First is indoor
The corresponding refrigeration control valve of machine is SV1 and heating control valve is SV1B, and the corresponding refrigeration control valve of the second indoor unit is SV2 and system
Heat control valve (HCV) is SV2B ....
As shown in Figure 1, the mode switch control method of the multi-line system includes the following steps：
S1, when any one indoor unit in multiple indoor units receives pattern switching instruction, which cuts mode
It changes instruction and is sent to part flow arrangement at the time of receiving pattern switching instruction.
In an embodiment of the present invention, it may include system that the pattern switching that indoor unit receives, which instructs corresponding switching type,
Cold mode switches to heating mode switching and heating mode to refrigeration mode.
S2 carries out the N number of indoor unit for receiving pattern switching instruction at the time of part flow arrangement is instructed according to pattern switching
Sequence, and obtain the pattern switching duration of each indoor unit in N number of indoor unit, wherein N is positive integer.
S3, part flow arrangement are cut according to the mode of each indoor unit in ranking results, pattern switching duration and N number of indoor unit
It changes instruction and controls corresponding heating control valve and refrigeration control valve so that N number of indoor unit successively carries out pattern switching.
Specifically, when thering is N number of indoor unit to need to carry out pattern switching in multiple indoor units, for example, there is N in preset time
A indoor unit needs to carry out pattern switching, part flow arrangement record each indoor unit in N number of indoor unit pattern switching instruction and
Receive pattern switching instruction at the time of t1, t2 ... tN.T1 at the time of then, part flow arrangement is instructed according to pattern switching,
T2 ... the size of tN is ranked up N number of indoor unit, and sets the pattern switching duration of each indoor unit in N number of indoor unit, example
Such as, the pattern switching duration that can set each indoor unit is S.Finally, part flow arrangement is on the basis of pattern switching duration S
On, pattern switching is carried out to N number of indoor unit sequence according to ranking results and is effectively kept away to increase the order of pattern switching
Exempt to get too close at the time of indoor unit receives pattern switching instruction, and indoor unit operational mode has occurred and concentrate in a short time
The problem of switching, improves the stability of system.
Further, a specific example according to the present invention, as shown in figure 3, the pattern switching of multi-line system controls
Method may comprise steps of：
At the time of S101, indoor unit (1#, 2# ... N#) receive pattern switching instruction (t1, t2 ..., tN).
S102, at the time of the 1st indoor unit to n-th indoor unit of traversal receives pattern switching instruction.
S103 is ranked up N number of indoor unit at the time of instruction according to pattern switching.
S104 carries out pattern switching to N number of indoor unit sequence at regular intervals according to ranking results.
It should be noted that in an embodiment of the present invention, when any one indoor unit in multiple indoor units receives
Pattern switching when to instruct corresponding switching type be that refrigeration mode switches to heating mode, part flow arrangement first controls the indoor unit
Corresponding refrigeration control valve is closed, then is controlled the corresponding heating control valve of the indoor unit and opened；When any in multiple indoor units
It is heating mode to when refrigeration mode switching that the pattern switching that one indoor unit receives, which instructs corresponding switching type, shunts dress
It sets and first controls the corresponding heating control valve closing of the indoor unit, then control the corresponding refrigeration control valve of the indoor unit and open.
In conclusion the mode switch control method of multi-line system according to an embodiment of the present invention, when multiple indoor units
In any one indoor unit when receiving pattern switching instruction, which instructs pattern switching and receives pattern switching
Part flow arrangement is sent at the time of instruction, at the time of part flow arrangement is instructed according to pattern switching to receive pattern switching instruction
N number of indoor unit is ranked up, and obtains the pattern switching duration of each indoor unit in N number of indoor unit, and is tied according to sequence
The pattern switching instruction of each indoor unit in fruit, pattern switching duration and N number of indoor unit control corresponding heating control valve and
Refrigeration control valve to increase the order of pattern switching, effectively prevents so that N number of indoor unit successively carries out pattern switching
Indoor unit operational mode concentrate in a short time switching the problem of, ensure that the stability of system, improve the quality of system with
And user satisfaction.
Fig. 2 is the structural schematic diagram of multi-line system according to an embodiment of the invention.
As shown in Fig. 2, the multi-line system includes outdoor unit (not specifically illustrated in figure), multiple indoor units and shunting dress
It sets, wherein part flow arrangement includes multiple heating control valves corresponding with indoor unit each in multiple indoor units and the control of multiple refrigeration
Valve processed.Specifically, as shown in Fig. 2, multiple indoor units may include the first indoor unit 11, the second indoor unit 12 ....First Room
The corresponding refrigeration control valve of interior machine 11 is SV1 and heating control valve is SV1B, and the corresponding refrigeration control valve of the second indoor unit 12 is
SV2 and heating control valve are SV2B ....
When any one indoor unit in multiple indoor units receives pattern switching instruction, the indoor unit is by pattern switching
Part flow arrangement is sent at the time of instructing and receive pattern switching instruction.Part flow arrangement further includes that control module (does not have in figure
Body is shown), the N number of indoor unit for receiving pattern switching instruction is carried out at the time of control module is used to be instructed according to pattern switching
Sequence, and obtains the pattern switching duration of each indoor unit in N number of indoor unit, and when according to ranking results, pattern switching
The pattern switching instruction of each indoor unit in long and N number of indoor unit control corresponding heating control valve and refrigeration control valve so that
N number of indoor unit successively carries out pattern switching, wherein N is positive integer.
Specifically, when thering is N number of indoor unit to need to carry out pattern switching in multiple indoor units, for example, there is N in preset time
A indoor unit needs to carry out pattern switching, control module record each indoor unit in N number of indoor unit pattern switching instruction and
Receive pattern switching instruction at the time of t1, t2 ... tN.T1 at the time of then, control module is instructed according to pattern switching,
T2 ... the size of tN is ranked up N number of indoor unit, and sets the pattern switching duration of each indoor unit in N number of indoor unit, example
Such as, the pattern switching duration that can set each indoor unit is S.Finally, control module is on the basis of pattern switching duration S
On, pattern switching is carried out to N number of indoor unit sequence according to ranking results and is effectively kept away to increase the order of pattern switching
Exempt to get too close at the time of indoor unit receives pattern switching instruction, and indoor unit operational mode has occurred and concentrate in a short time
The problem of switching, improves the stability of system.
In an embodiment of the present invention, when the pattern switching instruction that any one indoor unit in multiple indoor units receives
When corresponding switching type is that refrigeration mode switches to heating mode, control module first controls the corresponding refrigeration control of the indoor unit
Valve is closed, then is controlled the corresponding heating control valve of the indoor unit and opened；When any one indoor unit in multiple indoor units receives
It is heating mode to when refrigeration mode switching that the pattern switching arrived, which instructs corresponding switching type, and control module first controls the interior
The corresponding heating control valve of machine is closed, then is controlled the corresponding refrigeration control valve of the indoor unit and opened.
Multi-line system according to an embodiment of the present invention, when any one indoor unit in multiple indoor units receives mode
When switching command, which, which instructs pattern switching and receive at the time of pattern switching instructs, is sent to part flow arrangement, point
The N number of indoor unit for receiving pattern switching instruction is arranged at the time of the control module of stream device is instructed according to pattern switching
Sequence, and the pattern switching duration of each indoor unit in N number of indoor unit is obtained, and according to ranking results, pattern switching duration
Pattern switching instruction with each indoor unit in N number of indoor unit controls corresponding heating control valve and refrigeration control valve so that N
A indoor unit successively carries out pattern switching, to increase the order of pattern switching, effectively prevents indoor unit operational mode
The problem of concentrating switching in a short time, ensure that the stability of system, improves the quality and user satisfaction of system.
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, more
A indoor unit and part flow arrangement, the part flow arrangement include heating control corresponding with indoor unit each in the multiple indoor unit
Valve and refrigeration control valve, the described method comprises the following steps：
When any one indoor unit in the multiple indoor unit receives pattern switching instruction, which cuts the mode
It changes instruction and is sent to the part flow arrangement at the time of receiving pattern switching instruction；
The N number of indoor unit for receiving the pattern switching instruction is carried out at the time of the part flow arrangement is instructed according to pattern switching
Sequence, and obtain the pattern switching duration of each indoor unit in N number of indoor unit, wherein N is positive integer；And
The part flow arrangement is according to each indoor unit in ranking results, the pattern switching duration and N number of indoor unit
Pattern switching instruction controls corresponding heating control valve and refrigeration control valve so that N number of indoor unit successively carries out mode and cuts
It changes.
2. the mode switch control method of multi-line system according to claim 1, which is characterized in that N number of interior
The pattern switching duration of each indoor unit in machine is identical.
3. the mode switch control method of multi-line system according to claim 1 or 2, which is characterized in that when described more
It is refrigeration mode to heating that pattern switching that any one indoor unit in a indoor unit receives, which instructs corresponding switching type,
When pattern switching, the part flow arrangement first controls the corresponding refrigeration control valve of the indoor unit and closes, then controls the indoor unit and correspond to
Heating control valve open.
4. the mode switch control method of multi-line system according to claim 1 or 2, which is characterized in that when described more
It is heating mode to refrigeration that pattern switching that any one indoor unit in a indoor unit receives, which instructs corresponding switching type,
When pattern switching, the part flow arrangement first controls the corresponding heating control valve of the indoor unit and closes, then controls the indoor unit and correspond to
Refrigeration control valve open.
5. a kind of multi-line system, which is characterized in that including：
Outdoor unit；
Multiple indoor units；
Part flow arrangement, the part flow arrangement include heating control valve corresponding with indoor unit each in the multiple indoor unit and system
Subcooling control valve, wherein when any one indoor unit in the multiple indoor unit receives pattern switching instruction, which will
The pattern switching is sent to the part flow arrangement at the time of instructing and receive pattern switching instruction；
The part flow arrangement further includes：
Control module, the control module are used at the time of instructed according to pattern switching to receiving the pattern switching instruction
N number of indoor unit is ranked up, and obtains the pattern switching duration of each indoor unit in N number of indoor unit, and according to row
The pattern switching instruction control of sequence result, the pattern switching duration and each indoor unit in N number of indoor unit is corresponding
Control valve and refrigeration control valve are heated so that N number of indoor unit successively carries out pattern switching, wherein N is positive integer.
6. multi-line system according to claim 5, which is characterized in that each indoor unit in N number of indoor unit
Pattern switching duration is identical.
7. multi-line system according to claim 5 or 6, which is characterized in that when any one in the multiple indoor unit
When the pattern switching that a indoor unit receives instructs corresponding switching type to switch for refrigeration mode to heating mode, the control
Module first controls the corresponding refrigeration control valve of the indoor unit and closes, then controls the corresponding heating control valve of the indoor unit and open.
8. multi-line system according to claim 5 or 6, which is characterized in that when any one in the multiple indoor unit
When the pattern switching that a indoor unit receives instructs corresponding switching type to switch for heating mode to refrigeration mode, the control
Module first controls the corresponding heating control valve of the indoor unit and closes, then controls the corresponding refrigeration control valve of the indoor unit and open.
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| CN201610097432.8A CN105737334B (en) | 2016-02-22 | 2016-02-22 | Multi-line system and its mode switch control method |
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| CN201610097432.8A CN105737334B (en) | 2016-02-22 | 2016-02-22 | Multi-line system and its mode switch control method |
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| CN106440455B (en) * | 2016-09-19 | 2019-04-30 | 广东美的暖通设备有限公司 | The method for handover control of multi-line system and its indoor unit operational mode |
| CN109916044B (en) * | 2019-02-02 | 2020-10-13 | 广东美的暖通设备有限公司 | Mode switching control method and air conditioning system |
| CN113091237B (en) * | 2020-08-28 | 2021-12-28 | 广州松下空调器有限公司 | Air conditioner control method and device and air conditioner |
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|---|---|---|---|---|
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| US5237833A (en) * | 1991-01-10 | 1993-08-24 | Mitsubishi Denki Kabushiki Kaisha | Air-conditioning system |
| CN2220609Y (en) * | 1995-01-06 | 1996-02-21 | 丁小江 | Switching controllor for air conditioner |
| JP2016008788A (en) * | 2014-06-25 | 2016-01-18 | ダイキン工業株式会社 | Air conditioning system |
| CN104748239A (en) * | 2015-03-31 | 2015-07-01 | 广东美的暖通设备有限公司 | Multi-split system |
| CN104990304A (en) * | 2015-06-25 | 2015-10-21 | 珠海格力电器股份有限公司 | Multi-split system |
| CN105202692A (en) * | 2015-08-26 | 2015-12-30 | 珠海格力电器股份有限公司 | Control method, device and system for multi-split air conditioner working mode |
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