CN104748239B - Multiple on-line system - Google Patents
Multiple on-line system Download PDFInfo
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- CN104748239B CN104748239B CN201510151648.3A CN201510151648A CN104748239B CN 104748239 B CN104748239 B CN 104748239B CN 201510151648 A CN201510151648 A CN 201510151648A CN 104748239 B CN104748239 B CN 104748239B
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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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
- 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
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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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
- 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
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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
- F24F11/62—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
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
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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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/54—Heating and cooling, simultaneously or alternatively
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/006—Compression machines, plants or systems with reversible cycle not otherwise provided for two pipes connecting the outdoor side to the indoor side with multiple indoor units
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/007—Compression machines, plants or systems with reversible cycle not otherwise provided for three pipes connecting the outdoor side to the indoor side with multiple indoor units
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/029—Control issues
- F25B2313/0292—Control issues related to reversing valves
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0311—Pressure sensors near the expansion valve
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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
- F25B2400/23—Separators
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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
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
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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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2509—Economiser valves
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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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
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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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2519—On-off valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of multiple on-line system, it includes outdoor unit device, part flow arrangement, multiple indoor units, wherein, each indoor unit includes indoor heat exchanger and restricting element, part flow arrangement includes multiple first control valves corresponding with each indoor unit and multiple second control valves, when any one indoor unit in multiple indoor units receives pattern switching instruction, pattern switching instruction is sent to part flow arrangement by the indoor unit；Part flow arrangement is instructed according to pattern switching judges being turned on and off for corresponding first on-off valve of the indoor unit and the second on-off valve.The multiple on-line system can effectively reduce the noise that indoor unit carries out generation during pattern switching, improve the comfort level of user.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of multiple on-line system.
Background technology
With the development of society, requirement of the people to air-conditioning technical is also accordingly improved, such as, it is desirable to which multi-connected machine product can be real
Now while cooling and warming, therefore, heat-reclamation multi-compressors system is increasingly welcome by market.
At present, there is two-pipe and three-tube type heat-reclamation multi-compressors system in multi-gang air-conditioner market.For two-pipe and three
Tubular type heat-reclamation multi-compressors system corresponds to different cooling medium switching devices respectively, is unloaded in operational mode switching front opening
Valve is carried, and closes after the completion of pattern switching feather valve.But because the pressure difference at feather valve two ends is than larger, therefore, bypass noise
It is larger, cause the noise during pattern switching of indoor set excessive, influence the comfort level of user.
The content of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technical problem.
Therefore, it is an object of the invention to propose a kind of multiple on-line system, can effectively reduce indoor unit and carry out mould
The noise that formula is produced when switching, improves the comfort level of user.
To reach above-mentioned purpose, embodiments of the invention propose a kind of multiple on-line system, including outdoor unit device, shunting
Device, multiple indoor units, wherein, each indoor unit includes indoor heat exchanger and restricting element, the shunting
Device includes and each corresponding multiple first control valves of indoor unit and multiple second control valves, the multiple interior
When any one indoor unit in machine device receives pattern switching instruction, the indoor unit refers to the pattern switching
Order is sent to the part flow arrangement；The part flow arrangement judges the indoor unit corresponding the according to pattern switching instruction
One on-off valve and the second on-off valve are turned on and off.
Multiple on-line system according to embodiments of the present invention, when any one indoor unit in multiple indoor units connects
When receiving pattern switching instruction, pattern switching instruction is sent to part flow arrangement by the indoor unit, and part flow arrangement is according to pattern
Switching command judges being turned on and off for corresponding first on-off valve of the indoor unit and the second on-off valve, to ensure indoor set
Device carry out pattern switching when on-off valve before and after pressure difference it is smaller so that effectively reduction mode handover procedure in because pressure difference compared with
The noise produced greatly, improves the comfort level of user.
According to one embodiment of present invention, when any one indoor unit in the multiple indoor unit is in
During heating operation mode, the part flow arrangement controls the second on-off valve corresponding with the indoor unit to open, and controls with being somebody's turn to do
Corresponding first on-off valve of indoor unit is closed, and controls the room by the indoor set control unit in the indoor unit
The aperture of restricting element in interior machine device, wherein, if the indoor unit receives the finger for switching to cooling operation mode
When making, the part flow arrangement controls the second on-off valve corresponding with the indoor unit to close, and passes through the indoor unit
In indoor set control unit control restricting element in the indoor unit to enter standby aperture；Until the first preset time
Afterwards, control the restricting element in the indoor unit to open maximum by the indoor set control unit in the indoor unit to open
Degree, so as to middle pressure liquid refrigerants is filled in the indoor unit, and after the second preset time, the part flow arrangement control is with being somebody's turn to do
Corresponding first on-off valve of indoor unit is opened, wherein, second preset time is more than first preset time.
According to another embodiment of the invention, at any one indoor unit in the multiple indoor unit
When cooling operation mode, the part flow arrangement controls the first on-off valve corresponding with the indoor unit to open, and control and
Corresponding second on-off valve of the indoor unit is closed, and should by the indoor set control unit control in the indoor unit
The aperture of restricting element in indoor unit, wherein, if the indoor unit, which is received, switches to heating operation mode
During instruction, the part flow arrangement controls the first on-off valve corresponding with the indoor unit to close, and is filled by the indoor set
The indoor set control unit put controls the restricting element in the indoor unit to enter maximum opening；Until the second preset time
Afterwards, the part flow arrangement controls the second on-off valve corresponding with the indoor unit to open.
In an embodiment of the present invention, multiple on-line system includes two-pipe heat-reclamation multi-compressors system and three-tube type recuperation of heat
Multiple on-line system.
In an embodiment of the present invention, when any one indoor unit in the multiple indoor unit is in refrigeration
During operational mode, it can control the indoor unit and switch to refrigeration standby mode, refrigeration shutdown mode or heating operation mode；When
When any one indoor unit in the multiple indoor unit is in refrigeration standby mode, the indoor unit can control
Switch to refrigeration shutdown mode or heating operation mode；At any one indoor unit in the multiple indoor unit
When refrigeration shutdown mode, it can control the indoor unit and switch to cooling operation mode or heating operation mode；When described many
When any one indoor unit in individual indoor unit is in heating operation mode, it can control the indoor unit and switch to
Heating standby pattern, heat shutdown mode or cooling operation mode；When any one in the multiple indoor unit is indoor
When machine device is in heating standby pattern, the controllable indoor unit, which is switched to, heats shutdown mode or cooling operation mode；
When any one indoor unit in the multiple indoor unit, which is in, heats shutdown mode, indoor set dress can control
Put and switch to cooling operation mode or heating operation mode.
Preferably, first preset time can be 20-40 seconds, and second preset time can be 50-70 seconds.
Preferably, the standby aperture can be 72P, and the maximum opening can be 480P.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is the system schematic of the two-pipe multiple on-line system according to one embodiment of the invention；
Fig. 2 is that system when running on pure heating mode according to the two-pipe multiple on-line system of one embodiment of the invention is shown
It is intended to；
Fig. 3 is that system when running on main heating mode according to the two-pipe multiple on-line system of one embodiment of the invention is shown
It is intended to；
Fig. 4 is that system when running on pure refrigeration mode according to the two-pipe multiple on-line system of one embodiment of the invention is shown
It is intended to；
Fig. 5 is signal when main refrigeration mode is run on according to the two-pipe multiple on-line system of one embodiment of the invention
Figure；
Fig. 6 is the system schematic of the three-tube type multiple on-line system according to another embodiment of the present invention；
Fig. 7 is system when pure heating mode is run on according to the three-tube type multiple on-line system of another embodiment of the present invention
Schematic diagram；
Fig. 8 is system when main heating mode is run on according to the three-tube type multiple on-line system of another embodiment of the present invention
Schematic diagram；
Fig. 9 is system when pure refrigeration mode is run on according to the three-tube type multiple on-line system of another embodiment of the present invention
Schematic diagram；
Figure 10 is showing when running on main refrigeration mode according to the three-tube type multiple on-line system of another embodiment of the present invention
It is intended to；And
Figure 11 is the communication network figure of the multiple on-line system according to one embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
The multiple on-line system proposed according to embodiments of the present invention described with reference to the accompanying drawings.
In an embodiment of the present invention, as shown in Figures 1 to 10, the multiple on-line system includes outdoor unit device 10, shunting
Such as four indoor units 21,22,23,24 of device 30, multiple indoor units.
Wherein, each indoor unit includes indoor heat exchanger and restricting element, and part flow arrangement 30 includes and each interior
Any one indoor set dress in corresponding multiple first control valves of machine device and multiple second control valves, multiple indoor units
Put receive pattern switching instruction when, the indoor unit by pattern switching instruction be sent to part flow arrangement 30, part flow arrangement 30
Instructed according to pattern switching and judge being turned on and off for corresponding first on-off valve of the indoor unit and the second on-off valve.
In an embodiment of the present invention, multiple on-line system may include that two-pipe heat-reclamation multi-compressors system and three-tube type heat are returned
Receive multiple on-line system.
In the two-pipe heat-reclamation multi-compressors system of the embodiment of the present invention, as shown in Figures 1 to 5, outdoor unit device 10
Including compressor 101, four-way valve 102, outdoor heat exchanger 103, outer machine gas-liquid separator 104, oil eliminator 105, the first electromagnetism
Valve 106, capillary 107, four check valves 108A, 108B, 108C, 108D, and first interface 109 and second interface 110.Pressure
Contracting machine 101 has exhaust outlet and a gas returning port, and four-way valve 102 has first to fourth valve port, the first valve port and the second valve port and the
One of connection in three valve ports, the 4th valve port is connected with another in the second valve port and the 3rd valve port, and the first valve port leads to
The exhaust outlet that oil eliminator 105 is crossed with compressor 101 is connected, and the 4th valve port passes through outer machine gas-liquid separator 104 and compressor 101
Gas returning port be connected, check valve 108A, the 3rd valve port and outdoor heat exchanger are in series between the second valve port and first interface 109
103 first end is connected.
Part flow arrangement 30 include gas-liquid separator 301, such as four the first control valve 302A of multiple first control valves,
302B, 302C, 302D, multiple second control valves such as four second control valves 303A, 303B, 303C, 303D, the first electronics are swollen
Swollen valve 304A, the second electric expansion valve 304B, four first check valves 305A, 305B, 305C, 305D, four the second check valves
306A, 306B, 306C, 306D, the first heat-exchanging component 307A and the second heat-exchanging component 307B.Wherein, gas-liquid separator 301 has
Entrance, gas vent and liquid outlet, entrance pass through the second of high-pressure stop valve 40, check valve 108B and outdoor heat exchanger 103
End is connected, and gas vent is connected with four second control valves 303A, 303B, 303C, 303D respectively；Four the first control valves
302A, 302B, 302C, 302D are connected by low-pressure shutoff valve 50 with first interface 109 respectively.First heat-exchanging component 307A and
Two heat-exchanging component 307B can be plate type heat exchanger or double-tube heat exchanger.
As shown in Figures 1 to 5, check valve 108A first end is connected to check valve 108B and second by check valve 108C
Between interface 110, check valve 108A the second end by check valve 108D be connected to check valve 108B and outdoor heat exchanger 103 it
Between.
First heat-exchanging component 307A and the second heat-exchanging component 307B have the first heat exchange stream and the second heat exchange stream respectively,
The liquid outlet of Gas and liquid flow diverter 301 is connected with the first heat-exchanging component 307A the first heat exchange stream, the first heat-exchanging component 307A
The first heat exchange stream be connected with the first electric expansion valve 304A, the second of the first heat-exchanging component 307A exchanges heat stream respectively with the
Two heat-exchanging component 307B the second heat exchange stream and four first control valves 302A, 302B, 302C, 302D is connected.
As shown in Figures 1 to 5, each indoor unit includes indoor heat exchanger and restricting element, wherein, indoor set dress
Putting 21 includes indoor heat exchanger 211 and restricting element 212, and indoor unit 22 includes indoor heat exchanger 221 and restricting element
222, indoor unit 23 includes indoor heat exchanger 231 and restricting element 232, and indoor unit 24 includes indoor heat exchanger 241
With restricting element 242.The first end of indoor heat exchanger in each indoor unit is connected with corresponding restricting element, each room
Second end of the indoor heat exchanger in interior machine device is connected with corresponding first control valve and the second control valve, each indoor set dress
Restricting element in putting is connected with corresponding first check valve and the second check valve, the flow direction of the first check valve and the second check valve
Conversely.Also, four first check valves 305A, 305B, 305C, 305D are connected to the first public channel, four second unidirectional
Valve 306A, 306B, 306C, 306D are connected to the second public channel, the second heat-exchanging component 307B the first heat exchange stream difference
Connected with the first public channel and the second public channel, the first electric expansion valve 304A is connected to the first public channel, the second electricity
Sub- expansion valve 304B is connected with the second heat-exchanging component 307B the second heat exchange stream and the second public channel respectively, and the first electronics is swollen
Swollen valve 304A is also parallel with the second magnetic valve 308.
As shown in Figures 1 to 5, also in the first electric expansion valve 304A and the second magnetic valve 308 in parallel two ends difference
Pressure sensor 309A and pressure sensor 309B, and the two ends of the first heat exchange stream in the second heat-exchanging component 307B are set
Temperature sensor 310A and temperature sensor 310B is also set respectively.In addition, also in the first heat-exchanging component 307A the second heat exchange
One end of stream sets pressure sensor 309C.
In the three-tube type heat-reclamation multi-compressors system of the embodiment of the present invention, as shown in Fig. 6 to Figure 10, outdoor unit device 10
Including compressor 101, two four-way valves 102,102A, outdoor heat exchanger 103, outer machine gas-liquid separator 104, oil eliminator 105,
First magnetic valve 106, three capillaries 107,107A, 107B, electric expansion valve 112, and first interface 109, second interface
110 and the 3rd interface 111.Compressor 101 has exhaust outlet and a gas returning port, and two four-way valves 102,102A are respectively provided with first to the
Four valve ports, the first valve port is connected with one of in the second valve port and the 3rd valve port, the 4th valve port and the second valve port and the 3rd
Another connection in valve port, wherein, the first valve port of four-way valve 102 passes through oil eliminator 105 and the exhaust outlet of compressor 101
It is connected, the 4th valve port is connected by outer machine gas-liquid separator 104 with the gas returning port of compressor 101, the second valve port and the 4th valve port
Between be parallel with capillary 107A, the 3rd valve port is connected with the first end of outdoor heat exchanger 103.Four-way valve 102A the first valve port
It is connected with the 3rd interface 111, the first end of the second valve port and outdoor heat exchanger 103 is joined directly together, the 3rd valve port is separated by oil
Device 105 is connected with the exhaust outlet of compressor 101, the first end phase that the 4th valve port passes through capillary 107B and outdoor heat exchanger 103
Even.
Part flow arrangement 30 includes multiple first control valves such as four first control valve 302A, 302B, 302C, 302D, many
Individual second control valve such as four second control valves 303A, 303B, 303C, 303D.Wherein, four the first control valve 302A,
302B, 302C, 302D are connected by low-pressure shutoff valve 50 with first interface 109 respectively, four the second control valve 303A, 303B,
303C, 303D are connected by stop valve 60 with the 3rd interface 111 respectively.
As shown in Fig. 6 to Figure 10, each indoor unit includes indoor heat exchanger and restricting element, wherein, indoor set
Device 21 includes indoor heat exchanger 211 and restricting element 212, and indoor unit 22 includes indoor heat exchanger 221 and restricting element
222, indoor unit 23 includes indoor heat exchanger 231 and restricting element 232, and indoor unit 24 includes indoor heat exchanger 241
With restricting element 242.The first end of indoor heat exchanger in each indoor unit is connected with corresponding restricting element, each room
Second end of the indoor heat exchanger in interior machine device is connected with corresponding first control valve and the second control valve, each indoor set dress
Restricting element in putting is connected by high-pressure stop valve 40 with second interface 110.
According to one embodiment of present invention, heated when any one indoor unit in multiple indoor units is in
During operational mode, part flow arrangement 30 controls the second on-off valve corresponding with the indoor unit to open, and controls and the indoor set
Corresponding first on-off valve of device is closed, and controls the indoor set to fill by the indoor set control unit in the indoor unit
The aperture of restricting element in putting, wherein, if the indoor unit receives the instruction for switching to cooling operation mode, point
Flowing device 30 controls the second on-off valve corresponding with the indoor unit to close, and passes through the indoor set in the indoor unit
Control unit controls the restricting element in the indoor unit to enter standby aperture；Until after the first preset time, passing through the room
Indoor set control unit in interior machine device controls the restricting element in the indoor unit to open maximum opening, so that the interior
Middle pressure liquid refrigerants is filled in machine device, and after the second preset time, the control of part flow arrangement 30 is corresponding with the indoor unit
The first on-off valve open, complete heating operation mode switch to cooling operation mode, and cause the first on-off valve before and after
Pressure difference is the switching between middle pressure and low pressure, so that pressure difference during pattern switching is small, reduction indoor unit enters row mode
Noise during switching.Wherein, the second preset time is more than the first preset time.
Preferably, the first preset time can be 20-40 seconds, and the second preset time can be 50-70 seconds.
Preferably, standby aperture can be 72P, and maximum opening can be 480P.
According to another embodiment of the invention, when any one indoor unit in multiple indoor units is in system
During cold operation pattern, part flow arrangement 30 controls the first on-off valve corresponding with the indoor unit to open, and controls and the interior
Corresponding second on-off valve of machine device is closed, and controls the indoor set by the indoor set control unit in the indoor unit
The aperture of restricting element in device, wherein, if the indoor unit receives the instruction for switching to heating operation mode,
Part flow arrangement 30 controls the first on-off valve corresponding with the indoor unit to close, and passes through the interior in the indoor unit
Machine control unit controls the restricting element in the indoor unit to enter maximum opening；Until after the second preset time, shunting dress
Put 30 controls the second on-off valve corresponding with the indoor unit to open, complete cooling operation mode and cut to heating operation mode
Change, and make it that the pressure difference before and after the second on-off valve is the switching between high pressure and middle pressure, therefore so that pressure during pattern switching
Difference is small, and reduction indoor unit carries out noise during pattern switching.
In an embodiment of the present invention, the operational mode of multiple on-line system includes pure refrigeration mode, pure heating mode and same
When cooling and warming pattern, wherein, while cooling and warming pattern include main refrigeration mode and main heating mode.
Reference picture 2 to Fig. 5 is described respectively below two-pipe multiple on-line system be operated in pure heating mode, master heat mould
Refrigerant flow direction when formula, pure refrigeration mode and main refrigeration mode.
As shown in Fig. 2 when outdoor unit device 10 judges that multiple on-line system is operated in pure heating mode, now four indoor sets
Device carries out heating work.Wherein, refrigerant flow direction is：Gases at high pressure are from the exhaust outlet of compressor 101 through oil eliminator 105 to four
Port valve 102, then arrives gas-liquid separator 301 by check valve 108C, second interface 110, high-pressure stop valve 40, gases at high pressure from
The gas vent of gas-liquid separator 301 is respectively through four second control valves 303A, 303B, 303C, 303D to corresponding four
Indoor heat exchanger, becomes highly pressurised liquid, and then four road highly pressurised liquids pass through corresponding restricting element and four the first check valves
305A, 305B, 305C, 305D become to the second heat-exchanging component 307B the first heat exchange stream by the second electric expansion valve 304B
Into low-pressure gas-liquid two-phase, low-pressure gas-liquid two-phase is by the second heat-exchanging component 307B the second heat exchange stream and the first heat-exchanging component
307A the second heat exchange stream returns to outdoor unit device 10, i.e. low-pressure gas-liquid two-phase and passes through low-pressure shutoff valve 50, first interface
109th, check valve 108D, which is returned to, becomes low-pressure gas after outdoor heat exchanger 103, low-pressure gas passes through four-way valve 102, outer machine gas-liquid
Separator 104 returns to the gas returning port of compressor 101.
As shown in figure 3, when outdoor unit device 10 judges that multiple on-line system is operated in main heating mode, now four indoor sets
There are three indoor units to carry out heating work in device, an indoor unit carries out refrigeration work.Wherein, for heating
Refrigerant is flowed to：Gases at high pressure from the exhaust outlet of compressor 101 through oil eliminator 105 to four-way valve 102, then by check valve
108C, second interface 110, high-pressure stop valve 40 arrive gas-liquid separator 301, and the gas of gases at high pressure from gas-liquid separator 301 goes out
Mouth is respectively through three second control valves 303A, 303B, 303C to the corresponding three indoor heat exchange heated in indoor unit
Device, becomes highly pressurised liquid, then three road highly pressurised liquids by corresponding restricting element and three the first check valve 305A, 305B,
305C to the second heat-exchanging component 307B the first heat exchange stream, low-pressure gas-liquid two is become by the secondth electric expansion valve 304B
Phase, low-pressure gas-liquid two-phase exchanges heat by the second heat-exchanging component 307B the second heat exchange stream and the second of the first heat-exchanging component 307A
Stream returns to outdoor unit device 10, i.e. low-pressure gas-liquid two-phase and returned by low-pressure shutoff valve 50, first interface 109, check valve 108D
Become low-pressure gas after to outdoor heat exchanger 103, low-pressure gas returns to compression by four-way valve 102, outer machine gas-liquid separator 104
The gas returning port of machine 101.Refrigerant for refrigeration, which is flowed to, is：By the high pressure liquid of the second heat-exchanging component 307B the first heat exchange stream
A part for body also flows to the restricting element 242 in indoor unit 24 by the second check valve 306D, becomes low-pressure gas-liquid two
Phase, then become low-pressure gas after the indoor heat exchanger 241 in indoor unit 24, the low-pressure gas passes through the first control valve
With the second heat exchange stream by the second heat-exchanging component 307B and the first heat-exchanging component 307A the second heat exchange stream after 302D
After low-pressure gas-liquid two-phase mixtures, outdoor unit device 10 is returned to.
As shown in figure 4, when outdoor unit device 10 judges that multiple on-line system is operated in pure refrigeration mode, now four indoor sets
Device carries out refrigeration work.Wherein, refrigerant flow direction is：Gases at high pressure are from the exhaust outlet of compressor 101 through oil eliminator 105 to four
Port valve 102, then becomes highly pressurised liquid after outdoor heat exchanger 103, and highly pressurised liquid passes through check valve 108B, second interface
110th, high-pressure stop valve 40 arrives gas-liquid separator 301, and highly pressurised liquid exchanges heat from the liquid outlet of gas-liquid separator 301 by first
Component 307A the first heat exchange stream is to the first electric expansion valve 304A and the second magnetic valve 308, then by the second heat exchange group
Part 307B the first heat exchange stream is second unidirectional by four respectively to four second check valves 306A, 306B, 306C, 306D
Valve 306A, 306B, 306C, 306D four road highly pressurised liquids are corresponded to respectively to be become after the restricting element in four indoor units
Cheng Silu low-pressure gas-liquid two-phases, four road low-pressure gas-liquid two-phases are respectively through becoming four tunnel low pressure gas after corresponding indoor heat exchanger
Body, then corresponds to that to return to outdoor unit device 10, i.e. low-pressure gas by four first control valves 302A, 302B, 302C, 302D logical
Cross the gas returning port that low-pressure shutoff valve 50, first interface 109, check valve 108A, outer machine gas-liquid separator 104 return to compressor 101.
As shown in figure 5, when outdoor unit device 10 judges that multiple on-line system is operated in main refrigeration mode, now four indoor sets
There are three indoor units to carry out refrigeration work in device, an indoor unit carries out heating work.Wherein, for refrigeration
Refrigerant is flowed to：Gases at high pressure from the exhaust outlet of compressor 101 through oil eliminator 105 to four-way valve 102, then changed by outdoor
Become high-pressure gas-liquid two-phase after hot device 103, high-pressure gas-liquid two-phase passes through check valve 108B, second interface 110, high-pressure stop valve 40
Gas-liquid separation is carried out to gas-liquid separator 301, wherein, highly pressurised liquid is changed from the liquid outlet of gas-liquid separator 301 by first
Then hot component 307A the first heat exchange stream exchanges heat to the first electric expansion valve 304A and the second magnetic valve 308 by second
Component 307B the first heat exchange stream is respectively to three second check valves 306A, 306B, 306C, by three the second check valves
306A, 306B, 306C three road highly pressurised liquids are corresponded to respectively becomes three tunnels after the restricting element in three indoor units
Low-pressure gas-liquid two-phase, three road low-pressure gas-liquid two-phases are respectively through three road low-pressure gases are become after corresponding indoor heat exchanger, then
Correspondence returns to outdoor unit device 10, i.e. low-pressure gas by three first control valves 302A, 302B, 302C and passes through low-pressure shutoff valve
50th, first interface 109, check valve 108A, outer machine gas-liquid separator 104 return to the gas returning port of compressor 101.It is cold for what is heated
Matchmaker flows to：The gases at high pressure of gas-liquid separation are carried out from the gas vent of gas-liquid separator 301 through the by gas-liquid separator 301
Two control valve 303D become highly pressurised liquid to the indoor heat exchanger 241 in indoor unit 24, and highly pressurised liquid is filled by indoor set
Put after the restricting element 242 in 24 by the first check valve 305D and the first heat exchange stream by the second heat-exchanging component 307B
Highly pressurised liquid converges.
Described respectively referring to Fig. 7 to Figure 10 three-tube type multiple on-line system be operated in pure heating mode, master heat mould
Refrigerant flow direction when formula, pure refrigeration mode and main refrigeration mode.
As shown in fig. 7, when outdoor unit device 10 judges that multiple on-line system is operated in pure heating mode, now four indoor sets
Device carries out heating work.Wherein, refrigerant flow direction is：Gases at high pressure are from the exhaust outlet of compressor 101 through oil eliminator 105 to four
Port valve 102A, then by the 3rd interface 111, stop valve 60, four second control valve 303A, 303B, 303C, 303D to correspondence
Four indoor heat exchangers, become highly pressurised liquid, then four road highly pressurised liquids pass through corresponding restricting element, high-pressure stop valve
40th, second interface 110 arrives electric expansion valve 112, and highly pressurised liquid is after electric expansion valve 112 is changed into low-pressure gas-liquid two-phase through room
Become low-pressure gas after external heat exchanger 103, low-pressure gas returns to compressor by four-way valve 102, outer machine gas-liquid separator 104
101 gas returning port.
As shown in figure 8, when outdoor unit device 10 judges that multiple on-line system is operated in main heating mode, now four indoor sets
There are three indoor units to carry out heating work in device, an indoor unit carries out refrigeration work.Wherein, for heating
Refrigerant is flowed to：Gases at high pressure from the exhaust outlet of compressor 101 through oil eliminator 105 to four-way valve 102A, then by the 3rd
Interface 111, stop valve 60, three second control valve 303A, 303B, 303C to corresponding three rooms heated in indoor unit
Interior heat exchanger, becomes highly pressurised liquid, and then three road highly pressurised liquids are after corresponding restricting element, and a part of highly pressurised liquid passes through
High-pressure stop valve 40, second interface 110 arrive electric expansion valve 112, and highly pressurised liquid is changed into low-pressure gas-liquid by electric expansion valve 112
Become low-pressure gas after two-phase after outdoor heat exchanger 103, low-pressure gas passes through four-way valve 102, outer machine gas-liquid separator 104 times
To the gas returning port of compressor 101.Refrigerant for refrigeration, which is flowed to, is：It is defeated by three restricting elements heated in indoor unit
Another part highly pressurised liquid gone out is changed into low-pressure gas-liquid two-phase after the restricting element 242 in indoor unit 24, then passes through
Become low-pressure gas after indoor heat exchanger 241, low-pressure gas is after low-pressure shutoff valve 50, first interface 109 with passing through four-way
The low-pressure gas that valve 102 is exported converges.
As shown in figure 9, when outdoor unit device 10 judges that multiple on-line system is operated in pure refrigeration mode, now four indoor sets
Device carries out refrigeration work.Wherein, refrigerant flow direction is：Gases at high pressure are from the exhaust outlet of compressor 101 through oil eliminator 105 to four
Port valve 102, then becomes highly pressurised liquid after outdoor heat exchanger 103, and highly pressurised liquid connects by electric expansion valve 112, second
Mouthfuls 110, it is changed into four road low-pressure gas-liquid two-phases, four tunnels after the restricting element after high-pressure stop valve 40 respectively in four indoor units
Low-pressure gas-liquid two-phase is respectively through being changed into four road low-pressure gases after corresponding indoor heat exchanger, four road low-pressure gases are by four the
One control valve 302A, 302B, 302C, 302D, low-pressure shutoff valve 50, first interface 109, outer machine gas-liquid separator 104 return to pressure
The gas returning port of contracting machine 101.
As shown in Figure 10, when outdoor unit device 10 judges that multiple on-line system is operated in main refrigeration mode, now four interiors
There are three indoor units to carry out refrigeration work in machine device, an indoor unit carries out heating work.Wherein, for freezing
Refrigerant flow direction be：Gases at high pressure from the exhaust outlet of compressor 101 after oil eliminator 105, a part of gases at high pressure to four-way
Valve 102, then becomes highly pressurised liquid after outdoor heat exchanger 103, and highly pressurised liquid passes through electric expansion valve 112, second interface
110th, the restricting element in 40 to three indoor units of high-pressure stop valve, highly pressurised liquid is changed into low-pressure gas-liquid two through restricting element
Phase, then it is changed into three road low-pressure gases by the indoor heat exchanger in three indoor units, three road low-pressure gas correspondences pass through three
Individual first control valve 302A, 302B, 302C and low-pressure shutoff valve 50, first interface 109, outer machine gas-liquid separator 104 are returned to
The gas returning port of compressor 101.Refrigerant for heating, which is flowed to, is：Another part gases at high pressure after oil eliminator 105 are to four
Port valve 102A, the 3rd interface 111, stop valve 60, the second control valve 303D to the indoor heat exchanger 241 in indoor unit 24,
Become highly pressurised liquid, height of the highly pressurised liquid after the restricting element 242 in indoor unit 24 with process high-pressure stop valve 40
Press liquid converges.
In an embodiment of the present invention, each indoor unit is required to send the fortune of indoor unit to part flow arrangement 30
Row parameter, wherein, the operational factor of each indoor unit includes：The operational mode of indoor unit (such as refrigeration mode, is heated
Pattern etc.), indoor unit as refrigeration in machine when the degree of superheat, indoor unit as refrigeration in machine when restricting element open
Degree etc..
According to one embodiment of present invention, as shown in figure 11, can directly it be carried out between outdoor unit device and part flow arrangement
Communication, each indoor unit is communicated by part flow arrangement with outdoor unit device.Wherein, each indoor unit is assigned
One address, the communication between the communication being easy between each indoor unit and each indoor unit and part flow arrangement,
Such as the first indoor unit is assigned the first address, and the second indoor unit is assigned the second address ..., the 7th indoor set dress
Put and be assigned the 7th address.In addition, each indoor unit also includes line control machine, each indoor unit also with respective line traffic control
Device is communicated.
Further, according to the specific example of the present invention, outdoor unit control unit and shunting in outdoor unit device
Control module in device is communicated, while the control module in part flow arrangement and the indoor set control in each indoor unit
Unit processed is communicated.Wherein, the outdoor unit control unit in outdoor unit device obtains the temperature information of outdoor unit device in real time
(such as outdoor unit device local environment temperature, delivery temperature, suction temperature, heat exchange temperature), pressure information (such as exhaust pressure
Power, back pressure etc.) and multiple indoor units operational modes of each indoor unit etc. for sending judge multi-connected machine
The operational mode (such as pure heating mode, main heating mode, pure refrigeration mode and main refrigeration mode) of system, and by multi-connected machine system
The instruction of the operational mode of system is sent to part flow arrangement.Meanwhile, the outdoor unit control unit in outdoor unit device is always according to inside
Logic output instruction signal control compressor and outdoor fan etc. part operation.
Specifically, after multiple on-line system starts, the outdoor unit control unit in outdoor unit device obtains outdoor unit device
Ambient temperature information, the operational mode of pressure information and each indoor unit, to judge the operation mould of multiple on-line system
Formula, for example, when each indoor unit runs on refrigeration mode, multiple on-line system operational mode is pure refrigeration mode；When
When each indoor unit runs on heating mode, multiple on-line system operational mode is pure heating mode；When multiple indoor sets
Existing when running on refrigeration mode and also running on heating mode in device, multiple on-line system operational mode is refrigerated medium simultaneously
Heat pattern, outdoor unit device sends corresponding modes according to the system running pattern of judgement and instructed to part flow arrangement.Meanwhile, outdoor unit
Device controls the part such as compressor and outdoor fan to run according to internal logic output instruction signal.Part flow arrangement is according to outdoor unit
The given mode instruction of device carries out the control of each state parameter.
Also, after multiple on-line system startup optimization, when user carries out pattern switching to indoor unit, it is necessary to carry out
Operational mode after switching is sent to part flow arrangement 30 by the indoor unit of pattern switching, after part flow arrangement 30 is according to switching
Operational mode judges multiple first control valves such as four first control valves 302A, 302B, 302C, 302D, multiple second controls
Valve such as four second control valves 303A, 303B, 303C, 303D opening and closing.
It is described in detail below by taking indoor unit 24 as an example.
When indoor unit 24 is in cooling operation mode, shown in such as Fig. 3 (Fig. 8), Fig. 4 (Fig. 9), part flow arrangement 30 is controlled
The first on-off valve 302D unlatchings are made, the second on-off valve 303D is closed, and indoor set control unit automatically controls restricting element 242
Aperture.When indoor unit 24 receives when switching to the instruction of heating operation mode of user's transmission, part flow arrangement 30 is first
The first on-off valve 302D is first controlled to close, indoor set control unit controls the aperture of the restricting element 242 to be opened into 480P, and
After 60 seconds, part flow arrangement 30 controls the second on-off valve 303D to open, shown in such as Fig. 2 (Fig. 7), Fig. 5 (Figure 10), so as to complete interior
Switching of the machine device 24 from cooling operation mode to heating operation mode.
When indoor unit 24 is in heating operation mode, shown in such as Fig. 2 (Fig. 7), Fig. 5 (Figure 10), part flow arrangement 30
The first on-off valve 302D is controlled to close, the second on-off valve 303D is opened, and indoor set control unit automatically controls restricting element
242 aperture.When indoor unit 24 receives when switching to the instruction of cooling operation mode of user's transmission, part flow arrangement 30
The second on-off valve 303D is controlled to close, and the aperture of indoor set control unit control restricting element 242 is opened into 72P, until
After 30 seconds, the aperture of indoor set control unit control restricting element 242 is opened into 480P, so that in being filled in indoor unit 24
Liquid refrigerants is pressed, after 60 seconds, part flow arrangement 30 controls the first on-off valve 302D to open again, shown in such as Fig. 3 (Fig. 8), Fig. 4 (Fig. 9),
So as to complete switching of the indoor unit 24 from heating operation mode to cooling operation mode.
In addition, in an embodiment of the present invention, when any one indoor unit in multiple indoor units is in system
During cold operation pattern, it can control the indoor unit and switch to refrigeration standby mode, refrigeration shutdown mode or heating operation mode；
When any one indoor unit in multiple indoor units is in refrigeration standby mode, it can control the indoor unit and cut
Shift to refrigeration shutdown mode or heating operation mode；When any one indoor unit in multiple indoor units is in refrigeration
During shutdown mode, it can control the indoor unit and switch to cooling operation mode or heating operation mode；When multiple indoor sets dress
When any one indoor unit in putting is in heating operation mode, it can control the indoor unit and switch to heating standby mould
Formula, heat shutdown mode or cooling operation mode；Heated when any one indoor unit in multiple indoor units is in
During standby mode, the controllable indoor unit, which is switched to, heats shutdown mode or cooling operation mode；When multiple indoor sets dress
Any one indoor unit in putting is in when heating shutdown mode, and the controllable indoor unit switches to refrigerating operaton mould
Formula or heating operation mode.
Specifically, when any one indoor unit in multiple indoor units runs on refrigeration mode, receiving
The refrigeration sent by line control machine to user is standby or during refrigeration shutdown mode, the first control valve and the second control in part flow arrangement 30
Valve processed is failure to actuate, and the aperture of the indoor set control unit control restricting element in the indoor unit is closed after maintaining 30 seconds.
When any one indoor unit in multiple indoor units runs on refrigeration mode, lead to receiving user
When crossing the heating mode of line control machine transmission, part flow arrangement 30 closes the indoor unit pair after receiving and heating starting-up signal
The aperture of indoor set control unit control restricting element in the first control valve answered, the indoor unit is closed after maintaining 30 seconds
Close, then after controlling the restricting element aperture for 480P and maintaining 60 seconds, 60 seconds, close restricting element aperture to pressing after initial opening
It is adjusted according to PI, in addition, part flow arrangement 30 is after receiving and heating starting-up signal 105 seconds, opens the second control valve.
Switching between the operational mode of other indoor units is no longer illustrated here.To sum up, in embodiments of the invention
In, part flow arrangement 30 is instructed according to pattern switching judges opening for corresponding first on-off valve of the indoor unit and the second on-off valve
Open or close, meanwhile, the indoor set control unit in indoor unit is instructed according to pattern switching to be carried out to restricting element aperture
Control, to reduce the noise in mode handover procedure.
Multiple on-line system according to embodiments of the present invention, when any one indoor unit in multiple indoor units connects
When receiving pattern switching instruction, pattern switching instruction is sent to part flow arrangement by the indoor unit, and part flow arrangement is according to pattern
Switching command judges being turned on and off for corresponding first on-off valve of the indoor unit and the second on-off valve, to ensure indoor set
Device carry out pattern switching when on-off valve before and after pressure difference it is smaller so that effectively reduction mode handover procedure in because pressure difference compared with
The noise produced greatly, improves the comfort level of user.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is by appended claims and its equivalent limits.
Claims (5)
1. a kind of control method of multiple on-line system, it is characterised in that the multiple on-line system includes outdoor unit device, shunting dress
Put, multiple indoor units, wherein, each indoor unit includes indoor heat exchanger and restricting element, the shunting dress
Put including with each corresponding multiple first control valves of indoor unit and multiple second control valves,
When any one indoor unit in the multiple indoor unit receives pattern switching instruction, the indoor unit
Pattern switching instruction is sent to the part flow arrangement；
The part flow arrangement judges that corresponding first on-off valve of the indoor unit and second leads to according to pattern switching instruction
Disconnected valve is turned on and off；
When any one indoor unit in the multiple indoor unit is in heating operation mode, the part flow arrangement
Control the second on-off valve corresponding with the indoor unit is opened, and controls the first on-off valve corresponding with the indoor unit to close
Close, and control by the indoor set control unit in the indoor unit aperture of the restricting element in the indoor unit,
Wherein,
If the indoor unit receives the instruction for switching to cooling operation mode, the part flow arrangement control and the interior
Corresponding second on-off valve of machine device is closed, and controls the indoor set by the indoor set control unit in the indoor unit
Restricting element in device enters standby aperture；
Until after the first preset time, being controlled by the indoor set control unit in the indoor unit in the indoor unit
Restricting element opens maximum opening, so as to middle pressure liquid refrigerants is filled in the indoor unit, and after the second preset time, institute
Stating part flow arrangement controls the first on-off valve corresponding with the indoor unit to open, wherein, second preset time is more than institute
State the first preset time；
When any one indoor unit in the multiple indoor unit is in cooling operation mode, the part flow arrangement
Control the first on-off valve corresponding with the indoor unit is opened, and controls the second on-off valve corresponding with the indoor unit to close
Close, and control by the indoor set control unit in the indoor unit aperture of the restricting element in the indoor unit,
Wherein,
If the indoor unit receives the instruction for switching to heating operation mode, the part flow arrangement control and the interior
Corresponding first on-off valve of machine device is closed, and controls the indoor set by the indoor set control unit in the indoor unit
Restricting element in device enters maximum opening；
Until after the second preset time, the part flow arrangement controls the second on-off valve corresponding with the indoor unit to open.
2. the control method of multiple on-line system as claimed in claim 1, it is characterised in that the multiple on-line system includes two pipes
Formula heat-reclamation multi-compressors system and three-tube type heat-reclamation multi-compressors system.
3. the control method of multiple on-line system as claimed in claim 1, it is characterised in that
When any one indoor unit in the multiple indoor unit is in cooling operation mode, the interior can control
Machine device switches to refrigeration standby mode, refrigeration shutdown mode or heating operation mode；
When any one indoor unit in the multiple indoor unit is in refrigeration standby mode, the interior can control
Machine device switches to refrigeration shutdown mode or heating operation mode；
When any one indoor unit in the multiple indoor unit is in refrigeration shutdown mode, the interior can control
Machine device switches to cooling operation mode or heating operation mode；
When any one indoor unit in the multiple indoor unit is in heating operation mode, the interior can control
Machine device switches to heating standby pattern, heats shutdown mode or cooling operation mode；
When any one indoor unit in the multiple indoor unit is in heating standby pattern, the interior can control
Machine device, which is switched to, heats shutdown mode or cooling operation mode；
When any one indoor unit in the multiple indoor unit, which is in, heats shutdown mode, the interior can control
Machine device switches to cooling operation mode or heating operation mode.
4. the control method of multiple on-line system as claimed in claim 1, it is characterised in that first preset time is 20-
40 seconds, second preset time was 50-70 seconds.
5. the control method of multiple on-line system as claimed in claim 1, it is characterised in that the standby aperture is 72P, described
Maximum opening is 480P.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151648.3A CN104748239B (en) | 2015-03-31 | 2015-03-31 | Multiple on-line system |
| EP15887320.8A EP3279576A4 (en) | 2015-03-31 | 2015-12-22 | Variable refrigerant flow system |
| US15/329,821 US20180340700A1 (en) | 2015-03-31 | 2015-12-22 | Variable refrigerant flow system |
| PCT/CN2015/098290 WO2016155370A1 (en) | 2015-03-31 | 2015-12-22 | Variable refrigerant flow system |
| BR112016030917A BR112016030917A2 (en) | 2015-03-31 | 2015-12-22 | MULTI-PARTY SYSTEM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510151648.3A CN104748239B (en) | 2015-03-31 | 2015-03-31 | Multiple on-line system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104748239A CN104748239A (en) | 2015-07-01 |
| CN104748239B true CN104748239B (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510151648.3A Active CN104748239B (en) | 2015-03-31 | 2015-03-31 | Multiple on-line system |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20180340700A1 (en) |
| EP (1) | EP3279576A4 (en) |
| CN (1) | CN104748239B (en) |
| BR (1) | BR112016030917A2 (en) |
| WO (1) | WO2016155370A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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- 2015-12-22 BR BR112016030917A patent/BR112016030917A2/en not_active Application Discontinuation
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3279576A4 (en) | 2018-12-05 |
| CN104748239A (en) | 2015-07-01 |
| EP3279576A1 (en) | 2018-02-07 |
| US20180340700A1 (en) | 2018-11-29 |
| BR112016030917A2 (en) | 2017-08-22 |
| WO2016155370A1 (en) | 2016-10-06 |
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