CN103062841A - Air-conditioning system, control system and air-conditioning control method - Google Patents

Air-conditioning system, control system and air-conditioning control method Download PDF

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Publication number
CN103062841A
CN103062841A CN2013100185751A CN201310018575A CN103062841A CN 103062841 A CN103062841 A CN 103062841A CN 2013100185751 A CN2013100185751 A CN 2013100185751A CN 201310018575 A CN201310018575 A CN 201310018575A CN 103062841 A CN103062841 A CN 103062841A
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China
Prior art keywords
premises station
control instruction
oil mass
valve
premises
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Granted
Application number
CN2013100185751A
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Chinese (zh)
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CN103062841B (en
Inventor
钟明
张少龙
徐强
高向军
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Sichuan Changhong Electric Co Ltd
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Sichuan Changhong Electric Co Ltd
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Priority to CN201310018575.1A priority Critical patent/CN103062841B/en
Publication of CN103062841A publication Critical patent/CN103062841A/en
Priority to PCT/CN2014/070814 priority patent/WO2014111044A1/en
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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
    • 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
    • F25B31/00—Compressor arrangements
    • F25B31/002—Lubrication
    • F25B31/004—Lubrication oil recirculating arrangements
    • 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
    • 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
    • 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
    • F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
    • F25B2313/0253—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units in parallel arrangements
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/03—Oil level
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006—Accumulators

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses an air-conditioning system. The convenience in control operation for the air-conditioning system is improved. The air-conditioning system comprises M outdoor units, N indoor units and a control system; the M outdoor units are used for providing heat sources or cold sources, and the M is a positive integer; the N indoor units are used for receiving at least one heat source or cold source which is provided by one or more outdoor units, and the N is a positive integer; and the control system comprises a lubricating oil distribution subsystem, a refrigerant distribution subsystem and a control subsystem, the lubricating oil distribution subsystem is connected with the M outdoor units, the refrigerant distribution subsystem is connected with the M outdoor units, and the control subsystem is connected with the N indoor units, the M outdoor units, the lubricating oil distribution subsystem and the refrigerant distribution subsystem. The invention further discloses the control system and an air-conditioning control method.

Description

A kind of air-conditioning system, control system and air conditioning control method
Technical field
The present invention relates to air-conditioning technical field, particularly a kind of air-conditioning system, control system and air conditioning control method.
Background technology
Air-conditioning is air regulator (room air conditioner), is a kind of for the unit of processing air temperature variations is provided to area of space (being generally airtight).Its function is that the parameters such as temperature, humidity, cleanliness factor and air velocity of the interior air in this room (or enclosure space, zone) are regulated, to satisfy the requirement of the comfortable or technical process of human body.Traditionally, be known as the air-conditioner of refrigeration plant, wherein indoor set links to each other with off-premises station by refrigerant tubing.
Air-conditioning is divided into single cold air-conditioning and air conditioner for both cooling and heating, and operation principle is the same, and the cold-producing medium of air-conditioning normal operation is freon.The characteristic of freon is: when becoming liquid state by gaseous state, discharge a large amount of heats.And when changing gaseous state into by liquid state, can absorb a large amount of heats.Air-conditioning be exactly accordingly principle design.
Compressor is the gaseous refrigerant of HTHP with the refrigerant compression of gaseous state, then delivers to the liquid refrigerant that becomes normal temperature high voltage after condenser (off-premises station) heat radiation, is hot blast so off-premises station produces by boasting.
Then arrive capillary, enter evaporimeter (indoor set), because arriving the evaporimeter rear space from capillary, cold-producing medium increases suddenly, pressure reduces, and liquid cold-producing medium will be vaporized, and becomes the cold-producing medium of gaseous state low temperature, thereby absorb a large amount of heats, evaporimeter will turn cold, and the fan of indoor set is blown over indoor air from evaporimeter, is exactly cold wind so indoor set produces by boasting; Airborne water vapour will condense into water droplet after running into cold evaporimeter, spills out along water pipe, the reason of air-conditioning meeting water outlet that Here it is.
Parts that are cross valve are arranged when heating, make cold-producing medium opposite during with refrigeration at the flow direction of condenser and evaporimeter, so outdoor when heating what blow is cold wind, what indoor set blew is hot blast.
In the prior art, for the domestic consumer, usually without central air-conditioning, but use split-type air conditioner, that is: in the cover air-conditioning, have an off-premises station and with an indoor set of this off-premises station cooperating, when using split-type air conditioner, just need to arrange different air-conditionings in different places, as: settle one in the parlor, settle one in the bedroom, settle one in the dining room.Each air-conditioning has a remote controller, and by remote controller, the user just can control each air-conditioning, as: start, temperature etc. is regulated in shutdown.
In the process of technical scheme, the present application people finds to exist in the prior art following technical problem at least in realizing the embodiment of the present application:
Central air-conditioning of the prior art all has gas-liquid separator and oil eliminator, between them, need to connect more pipeline, the system connection of making is comparatively complicated, the parts that need to control when control are more, so, exist system reliability lower, manufacturing cost is higher technical problem also.
Central air-conditioning of the prior art, although can realize by a plurality of off-premises stations that fit together a plurality of indoor sets being carried out heat supply or cooling, but, between many group central air-conditioning, do not carry out networking and control because organizing central air-conditioning by a concentrated control platform more yet, so, also exist and can not realize effectively carrying out centralized Control, the technical problem that the low-temperature receiver between each group central air-conditioning or thermal source are distributed on demand.
Central air-conditioning of the prior art, a plurality of compressors are arranged in the off-premises station, this just need to carry out all oil control to the lubricating oil in the compressor, but since prior art in equal oily implementation, all need the structure do modification more or less to compressor, or need to connect be used at compressor chamber the pipeline of equal oily usefulness, so, there is the technical problem of implementation complexity.
Can't centralized Control to each split-type air conditioner that carries out separately installation and operation in the prior art, need to control separately, every air-conditioning may all need control device separately like this, and required hardware or software resource are more, comparatively waste resource, and control is got up also comparatively complicated.
And each split-type air conditioner of the prior art can not networking operation, and an off-premises station carry out cooling or heat supply can only for the indoor set of fixing correspondence, can not distribute low-temperature receiver or thermal source according to whole needs, easily causes the wasting of resources.
And, because split-type air conditioner of the prior art can't networking operation, if the off-premises station fault in split-type air conditioner, although its corresponding indoor set is in normal condition, because the off-premises station corresponding with it has fault, so, also can't use, be unfavorable for the utilization of resources.
Summary of the invention
The embodiment of the invention provides a kind of air-conditioning system, control system and air conditioning control method, be used for solving central air-conditioning of the prior art and all have gas-liquid separator and oil eliminator, between them, need to connect more pipeline, the system connection of making is comparatively complicated, the parts that need to control when control are more, so, exist system reliability lower, manufacturing cost is higher technical problem also, has realized minimizing separator quantity, thereby reduced connecting pipe, simplify system architecture, reduced the control complexity, increased the convenience of control operation, also reduced the technique effect of cost, Effective Raise user's Experience Degree.
A kind of air-conditioning system comprises:
M off-premises station is used for providing thermal source or low-temperature receiver, and wherein, M is positive integer;
N indoor set is used for receiving thermal source or the low-temperature receiver that is provided by a described M off-premises station; N is positive integer;
Control system comprises:
The distribution of lubrication oil subsystem is connected with each off-premises station in the described M off-premises station, wherein, comprises a separator in the described distribution of lubrication oil subsystem, and described separator is used for oil is separated with refrigerant;
The refrigerant assignment subsystem is connected with each off-premises station in the described M off-premises station;
RACS is connected with each off-premises station in each indoor set in the described N indoor set, the described M off-premises station, described distribution of lubrication oil subsystem and described refrigerant assignment subsystem;
Wherein, when described RACS receives the first control instruction for one or more indoor sets of controlling a described N indoor set, described RACS is carried out described the first control instruction, described refrigerant assignment subsystem is controlled, thermal source or low-temperature receiver to described one or more indoor set outputs first value corresponding with described the first control instruction, and described distribution of lubrication oil subsystem is controlled, make in one or more off-premises stations in described M the off-premises station corresponding with described one or more indoor sets the oil mass in each off-premises station in default oil mass scope by described separator.
Better, described separator comprises inlet tube, outlet and baffle plate;
Offer the first perforate, the second perforate on the sidewall of described outlet, be used for making the refrigerant of described air-conditioning system reach balance; The bottom of described outlet offers the 3rd perforate, is used for making outflow of lubrication oil;
Described baffle plate center offers the 4th perforate, is used for making the lubricating oil that flows out via described the 3rd perforate to flow into described separator bottom;
Offer the 5th perforate on the described separator sidewall, be used for making unnecessary lubricating oil discharge described separator.
Better, the connected mode of a described M off-premises station, a described N indoor set and described control system is branch pipe connected mode, direct connected mode or mixes connected mode.
Better, described distribution of lubrication oil subsystem also comprises the first valve unit;
Described the first valve unit is used for controlling the transmission of carrying out thermal source or low-temperature receiver between described control system and described at least one off-premises station.
Better, described the first valve unit comprises M the first valve, M the second valve, the 3rd valve, the 6th valve, the 7th valve, the 8th valve, the 9th valve, the tenth valve and the 11 valve; Wherein,
One end of each described the first valve links to each other with a described off-premises station, and the other end of each described the first valve links to each other with an end of described second valve;
The other end of each described the second valve links to each other with an end and the described separator of described the 6th valve;
One end of described the 3rd valve links to each other with each indoor set in the described N indoor set, and the other end of described the 3rd valve links to each other with an end and the described separator of described the 11 valve respectively;
The other end of described the 6th valve links to each other with an end and the described separator of described the 7th valve respectively;
The other end of described the 7th valve links to each other with the other end of described the 8th valve;
The other end of described the 9th valve links to each other with described separator;
The other end of described the tenth valve links to each other with the other end of described the 11 valve.
Better, described refrigerant assignment subsystem comprises: the second valve gate cell is used for controlling the transmission of carrying out refrigerant between described control system and described at least one off-premises station.
Better, described second valve gate cell comprises M the 4th valve and the 5th valve;
An end of each described the 4th valve links to each other with a described off-premises station in individual the 4th valve of described M, and the other end of each described the 4th valve links to each other with an end of described distribution of lubrication oil subsystem and described the 5th valve respectively;
The other end of described the 5th valve links to each other with each indoor set in the described N indoor set.
Better, described the first control instruction is used for controlling one or more indoor set starts, the shutdown of a described N indoor set, or described the first control instruction is for wind direction, rotation speed of the fan, temperature or the setting available machine time of one or more indoor sets of controlling a described N indoor set.
Better, described system also comprises:
Detection module is for detection of the one or more oil mass values in one or more off-premises stations in the described M off-premises station;
When described RACS also is used for receiving described the first control instruction, carry out described the first control instruction, to start described detection module, and obtain the one or more oil mass values in one or more off-premises stations in described M the off-premises station that described detection module detects, the oil mass value of P off-premises station in determining a described M off-premises station is during greater than the higher limit of described default oil mass scope, generate the second control instruction, and described the second control instruction sent to described P corresponding off-premises station, to indicate described P off-premises station to reduce operating frequency, export with the unnecessary oil mass that makes a described P off-premises station will exceed described default oil mass scope, thereby make the oil mass of storing in the described M off-premises station reach balanced; Wherein P is not less than 0 and less than the integer of M.
Better, described detection module also is used for after described P off-premises station of indication reduces operating frequency a described P off-premises station being detected, and obtains the first testing result;
Described RACS also is used for receiving described the first testing result, judge according to described the first testing result whether the oil mass in each off-premises station reaches the first default oil mass value in the described P off-premises station, when the oil mass in the one or more off-premises stations in determining a described P off-premises station reaches the described first default oil mass value, generate the 3rd control instruction, and described the 3rd control instruction sent to corresponding off-premises station, to indicate corresponding off-premises station to improve operating frequency, the described first default oil mass value is not more than the higher limit of described default oil mass scope, and is not less than the lower limit of described default oil mass scope.
Better, described system also comprises detection module, for detection of the one or more oil mass values in one or more off-premises stations in the described M off-premises station;
When described RACS also is used for receiving described the first control instruction, start described detection module according to carrying out described the first control instruction, obtain the one or more oil mass values in one or more off-premises stations in described M the off-premises station that described detection module detects, the oil mass value of P off-premises station in determining a described M off-premises station is during less than the lower limit of described default oil mass scope, generate the 4th control instruction, and described the 4th control instruction sent to described P corresponding off-premises station, to indicate described P off-premises station to improve operating frequency, obtain lubricating oil to make in the corresponding off-premises station of a described P off-premises station from M-P off-premises station, thereby make the oil mass of storing in the described M off-premises station reach balanced; Wherein P is not less than 0 and less than the integer of M.
Better, described detection module also is used for after described P off-premises station of indication improves operating frequency a described P off-premises station being detected, and obtains the first testing result;
Described RACS also is used for receiving described the first testing result, judge according to described the first testing result whether the oil mass in each off-premises station reaches the second default oil mass value in the described P off-premises station, when the oil mass in one or more off-premises stations of determining to state in P the off-premises station reaches the described second default oil mass value, generate the 5th control instruction, and described the 5th control instruction sent to corresponding off-premises station, to indicate corresponding off-premises station to reduce operating frequency, the described second default oil mass value is not more than the higher limit of described default oil mass scope, and is not less than the lower limit of described default oil mass scope.
Better, described system also comprises detection module, for detection of the one or more refrigerant content value in one or more off-premises stations in the described M off-premises station;
When described RACS also is used for receiving described the first control instruction, start described detection module according to carrying out described the first control instruction, obtain refrigerant content value in described the first off-premises station in described M the off-premises station that described detection module detects and the refrigerant content value in described the second off-premises station, refrigerant content value in determining described the first off-premises station is during less than the refrigerant content value in described the second off-premises station, generate and carry out the 6th control instruction, to input the refrigerant of the second value to described the first off-premises station by controlling described refrigerant assignment subsystem, reach refrigerant from the 3rd value to described the second off-premises station that input, wherein said the second value is greater than described the 3rd value.
Better, described air-conditioning system also comprises:
Detection module;
Described RACS comprises: receiver module, processing module and sending module;
Wherein, described receiver module is used for receiving described the first control instruction;
Described processing module is used for carrying out described the first control instruction, so that described distribution of lubrication oil subsystem and/or described refrigerant assignment subsystem are controlled; Receive the detection information that described detection module sends by described receiver module, and according to the corresponding control instruction of described detection Information generation;
Described sending module is used for corresponding control instruction is sent to the off-premises station of the correspondence of a described M off-premises station.
Better, described RACS also comprises input module, is connected with described processing module, is used for inputting described the first control instruction according to the operation of user's input.
A kind of control system, described control system comprises:
Casing;
One circuit board is arranged in the described casing;
The distribution of lubrication oil subsystem is arranged on the described circuit board, is connected with M off-premises station; Wherein, comprise a separator in the described distribution of lubrication oil subsystem, described separator is used for gas is separated with liquid;
The refrigerant assignment subsystem is arranged on the described circuit board, is connected with M off-premises station;
RACS is arranged on the described circuit board, is connected with a described N indoor set, a described M off-premises station, described distribution of lubrication oil subsystem and described refrigerant assignment subsystem;
Electric supply installation is arranged in the described casing, is used for to described distribution of lubrication oil subsystem, described refrigerant assignment subsystem and the power supply of described RACS.
Better, described separator comprises inlet tube, outlet and baffle plate;
Offer the first perforate, the second perforate on the sidewall of described outlet, be used for making the refrigerant of described air-conditioning system reach balance; The bottom of described outlet offers the 3rd perforate, is used for making outflow of lubrication oil;
Described baffle plate center offers the 4th perforate, is used for making the lubricating oil that flows out via described the 3rd perforate to flow into described separator bottom;
Offer the 5th perforate on the described separator sidewall, be used for making unnecessary lubricating oil discharge described separator.
Better, the connected mode of a described M off-premises station, a described N indoor set and described control system is branch pipe connected mode, direct connected mode or mixes connected mode.
Better, described distribution of lubrication oil subsystem also comprises the first valve unit;
Described the first valve unit is used for controlling the transmission of carrying out thermal source or low-temperature receiver between described control system and described at least one off-premises station.
Better, described refrigerant assignment subsystem comprises: the second valve gate cell is used for controlling the transmission of carrying out refrigerant between described control system and described at least one off-premises station.
Better, described control system also comprises detection module;
Described RACS comprises: receiver module, processing module and sending module;
Wherein, described receiver module is used for receiving described the first control instruction;
Described processing module is used for carrying out described the first control instruction, so that described distribution of lubrication oil subsystem and/or described refrigerant assignment subsystem are controlled; Receive the detection information that described detection module sends by described receiver module, and according to the corresponding control instruction of described detection Information generation;
Described sending module is used for corresponding control instruction is sent to the off-premises station of the correspondence of a described M off-premises station.
A kind of air conditioning control method, described method is applied to air-conditioning system, described air-conditioning system comprises M off-premises station, a N indoor set and control system, described control system comprises distribution of lubrication oil subsystem, refrigerant assignment subsystem and RACS, wherein, comprise a separator in the described distribution of lubrication oil subsystem, described separator is used for oil is separated with refrigerant; Said method comprising the steps of:
Receive the first control instruction;
Carry out described the first control instruction, described refrigerant assignment subsystem is controlled, thermal source or low-temperature receiver to described one or more indoor set outputs first value corresponding with described the first control instruction, and described distribution of lubrication oil subsystem is controlled, make in the one or more off-premises stations in described M the off-premises station corresponding with described one or more indoor sets the oil mass in each off-premises station in default oil mass scope.
Better, described the first control instruction is used for controlling one or more indoor set starts, the shutdown of a described N indoor set, or described the first control instruction is for wind direction, rotation speed of the fan, temperature or the setting available machine time of one or more indoor sets of controlling a described N indoor set.
Better, carry out described the first control instruction, described refrigerant assignment subsystem is controlled, comprise to the thermal source of described one or more indoor set outputs first value corresponding with described the first control instruction or the step of low-temperature receiver:
Carry out described the first control instruction, start the detection module in the described air-conditioning system, and obtain the one or more oil mass values in one or more off-premises stations in described M the off-premises station that described detection module detects;
The oil mass value of P off-premises station in determining a described M off-premises station generates the second control instruction during greater than the higher limit of described default oil mass scope;
Described the second control instruction is sent to described P corresponding off-premises station, to indicate described P off-premises station to reduce operating frequency, export with the unnecessary oil mass that makes a described P off-premises station will exceed described default oil mass scope, thereby make the oil mass of storing in the described M off-premises station reach balanced; Wherein P is not less than 0 and less than the integer of M.
Better, described the second control instruction is being sent to described P corresponding off-premises station, also comprise step afterwards to indicate described P off-premises station to reduce operating frequency:
A described P off-premises station is detected, obtain the first testing result;
Judge according to described the first testing result whether the oil mass in each off-premises station reaches the first default oil mass value in the described P off-premises station;
When the oil mass in the one or more off-premises stations in determining a described P off-premises station reaches the described first default oil mass value, generate the 3rd control instruction, and described the 3rd control instruction sent to corresponding off-premises station, improve operating frequency to indicate corresponding off-premises station.
Better, carry out described the first control instruction, described refrigerant assignment subsystem is controlled, comprise to the thermal source of described one or more indoor set outputs first value corresponding with described the first control instruction or the step of low-temperature receiver:
Carry out described the first control instruction, start the detection module in the described air-conditioning system, to obtain the one or more oil mass values in one or more off-premises stations in described M the off-premises station that described detection module detects;
The oil mass value of P off-premises station in determining a described M off-premises station generates the 4th control instruction during less than the lower limit of described default oil mass scope;
Described the 4th control instruction is sent to described P corresponding off-premises station, to indicate described P off-premises station to improve operating frequency, obtain lubricating oil to make in the corresponding off-premises station of a described P off-premises station from M-P off-premises station, thereby make the oil mass of storing in the described M off-premises station reach balanced; Wherein P is not less than 0 and less than the integer of M.
Better, described the 4th control instruction is being sent to described P corresponding off-premises station, also comprise step afterwards to indicate described P off-premises station to improve operating frequency:
A described P off-premises station is detected, obtain the first testing result;
Judge according to described the first testing result whether the oil mass in each off-premises station reaches the second default oil mass value in the described P off-premises station;
When the oil mass in the one or more off-premises stations in determining a described P off-premises station reaches the described first default oil mass value, generate the 5th control instruction, and described the 5th control instruction sent to corresponding off-premises station, reduce operating frequency to indicate corresponding off-premises station.
Better, after receiving the first control instruction, also comprise step:
Carry out described the first control instruction, start the detection module in the described air-conditioning system, and obtain refrigerant content value in described the first off-premises station in described M the off-premises station that described detection module detects and the refrigerant content value in described the second off-premises station;
Refrigerant content value in determining described the first off-premises station generates the 6th control instruction during less than the refrigerant content value in described the second off-premises station;
Carry out described the 6th control instruction, to input the refrigerant of the second value to described the first off-premises station by controlling described refrigerant assignment subsystem, reach refrigerant from the 3rd value to described the second off-premises station that input, wherein said the second value is greater than described the 3rd value.
By the one or more technical schemes in the embodiment of the present application, the technique effect that can be achieved as follows at least:
1, central air-conditioning of the prior art, all have gas-liquid separator and oil eliminator, between them, need to connect more pipeline, the system connection of making is comparatively complicated, the parts that need to control when control are more, so, exist system reliability lower, manufacturing cost is higher technical problem also.Gas-liquid separator and oil eliminator have been substituted with a separator in the embodiment of the invention, saved the connecting pipe between gas-liquid separator and the oil eliminator, simplified the structure of system, solved in the prior art system's connection comparatively complicated, the parts that need to control when control are more, so, exist system reliability lower, manufacturing cost is higher technical problem also, the parts that need to control during control significantly reduce, improve system reliability, and because reduced hardware component, also reduced manufacturing cost.
2, central air-conditioning of the prior art, although can realize by a plurality of off-premises stations that fit together a plurality of indoor sets being carried out heat supply or cooling, but, between many group central air-conditioning, yet will not organize central air-conditioning more and carry out networking and control by a concentrated control platform, therefore can't centralized Control.In the embodiment of the invention, many off-premises stations and many indoor sets are networked, for it is equipped with unified control module, by described control module unification each off-premises station or indoor set in the network are controlled, thereby can for each off-premises station unified distribution according to need low-temperature receiver or thermal source, improve operating efficiency by centralized and unified control.
3, central air-conditioning of the prior art, a plurality of compressors are arranged in the off-premises station, this just need to carry out all oil control to the lubricating oil in the compressor, but since prior art in equal oily implementation, all need the structure do modification more or less to compressor, or need to connect the pipeline that is used for equal oily usefulness at compressor chamber, so implementation is comparatively complicated.And the technical scheme in the embodiment of the invention, when realizing equal oil, realize by control module, for it goes without doing any change of off-premises station and indoor set, compressor in the off-premises station also be need not to carry out any adjustment, so the technical scheme among the present invention can be applied in arbitrarily in the air conditioner, range of application is very extensive, and it is convenient to realize, has simplified operating process.
4, can't centralized Control to each split-type air conditioner that carries out separately installation and operation in the prior art, need separately every air-conditioning to be controlled, every air-conditioning may all need control device separately like this, and required hardware or software resource are more, comparatively waste resource.And in the embodiment of the invention, for many indoor sets and/or the off-premises station of networking has been equipped with unified control module, only need can control each machine in the network with a control module, need not more control appliance, saving resource.Simultaneously, adopt a control module to carry out overall control, also be convenient to distribute resource unitedly according to whole needs, make resource obtain rationalizing and use.
5, each split-type air conditioner can not networking operation in the prior art, and an off-premises station carry out cooling or heat supply can only for the indoor set of fixing correspondence, can not distribute low-temperature receiver or thermal source according to whole needs.And in the embodiment of the invention, many off-premises stations and many indoor sets are networked, for it is equipped with unified control module, by described control module unification each off-premises station or indoor set in the network are controlled, thereby the off-premises station that can be complementary with it for respective chambers machine corresponding selection, can distribute low-temperature receiver or thermal source according to whole needs, and can come to select suitable off-premises station for it according to the concrete parameters such as power of respective chambers machine, thereby at utmost reach power match, to save the energy.
6, in the prior art, because each split-type air conditioner can't networking operation, if the off-premises station fault in split-type air conditioner, although its corresponding indoor set would be in normal condition, because the off-premises station corresponding with it has fault, so also can't use.And in the embodiment of the invention, because the off-premises station in many split-type air conditioners and many indoor sets can be networked, make many machine networking operations, if so wherein there is an off-premises station to damage, when then needing to move indoor set, can also select other off-premises station, be unlikely to because off-premises station damages corresponding indoor set to be moved, can at utmost utilize resource, avoid causing the wasting of resources.
7, in the embodiment of the invention, carry out overall control because be with a control module, therefore this control module can be by detecting to judge the oil mass in each off-premises station to each off-premises station, when the oil mass between each off-premises station is unbalanced, this control module can be controlled at carries out equal oil between each off-premises station, avoided off-premises station to damage because of heavy wool or few oil.
In a word, in the embodiment of the invention, gas-liquid separator and oil eliminator have been substituted with a separator, saved the connecting pipe between gas-liquid separator and the oil eliminator, simplified the structure of system, solved in the prior art system's connection comparatively complicated, the parts that need to control when control are more, so, exist system reliability lower, manufacturing cost is higher technical problem also, the parts that need to control during control significantly reduce, improve system reliability, and because reduced hardware component, also reduced manufacturing cost.
Description of drawings
Fig. 1 is the primary structure figure of air-conditioning system in the embodiment of the invention;
Fig. 2 is the simple structure schematic diagram of air-conditioning system in the embodiment of the invention;
Fig. 3 A is the primary structure figure of air-conditioning system in the embodiment of the invention;
Fig. 3 B is the detailed structure view of separator in the embodiment of the invention;
Fig. 4 is the detailed structure view of air-conditioning system in the embodiment of the invention;
Fig. 5 is the main flow chart of air conditioning control method in the embodiment of the invention.
The specific embodiment
A kind of air-conditioning system is provided in the embodiment of the invention, be used for solves prior art in the family expenses air-conditioning owing to can only individually every air-conditioning be controlled and operate, so, exist simple operation poor, the technical problem that the required time is long.
In order to solve the problems of the technologies described above, the general thought of the technical scheme in the embodiment of the present application is as follows:
A kind of air-conditioning system is provided, comprises: M off-premises station, be used for providing thermal source or low-temperature receiver, wherein, M is positive integer; N indoor set is used for receiving thermal source or the low-temperature receiver that is provided by a described M off-premises station; N is positive integer; Control system comprises: the distribution of lubrication oil subsystem, be connected with each off-premises station in the described M off-premises station, and wherein, comprise a separator in the described distribution of lubrication oil subsystem, described separator is used for gas is separated with liquid; The refrigerant assignment subsystem is connected with each off-premises station in the described M off-premises station; RACS is connected with each off-premises station in each indoor set in the described N indoor set, the described M off-premises station, described distribution of lubrication oil subsystem and described refrigerant assignment subsystem; Wherein, when described RACS receives the first control instruction for one or more indoor sets of controlling a described N indoor set, described RACS is carried out described the first control instruction, described refrigerant assignment subsystem is controlled, thermal source or low-temperature receiver to described one or more indoor set outputs first value corresponding with described the first control instruction, and described distribution of lubrication oil subsystem is controlled, make in one or more the off-premises stations in described M the off-premises station corresponding with described one or more indoor sets the oil mass in each off-premises station in default oil mass scope by described separator.
Namely in embodiments of the present invention the technical scheme, gas-liquid separator and oil eliminator have been substituted with a separator, saved the connecting pipe between gas-liquid separator and the oil eliminator, simplified the structure of system, solved in the prior art system's connection comparatively complicated, the parts that need to control when control are more, so, exist system reliability lower, manufacturing cost is higher technical problem also, and the parts that need to control during control significantly reduce, and have improved system reliability, and because reduced hardware component, also reduced manufacturing cost.
In order to allow the application person of ordinary skill in the field can clearer understanding and implement the present invention, below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present application be described in detail.
Referring to Fig. 1, the air-conditioning system in the embodiment of the invention can comprise off-premises station 101, indoor set 102 and control system 103.Wherein, can comprise M off-premises station 101 and N indoor set 102 in the described air-conditioning system, wherein M and N are positive integer.
In the embodiment of the invention, the connected mode of M off-premises station 101, a N indoor set 102 and control system 103 can be branch pipe connected mode, direct connected mode, mix connected mode, can be the connected mode of other types perhaps, the present invention limit this yet.
Wherein, control system 103 in the embodiment of the invention can be between off-premises station 101 and indoor set 102, link to each other respectively with indoor set 102 with off-premises station 101, perhaps control system 103 also can be arranged in any one off-premises station 101, perhaps control system also can be arranged in any one indoor set 102, perhaps control system 103 also can be positioned at other positions, and the present invention does not limit this.To describe between off-premises station 101 and indoor set 102 with control system 103 among Fig. 1.
And in the embodiment of the invention, off-premises station 101, indoor set 102 can be off-premises station 101 and the indoor sets 102 in the split-type air conditioner, perhaps also can be off-premises station 101 and the indoor sets 102 in the central air-conditioning.A compressor can be included only in the off-premises station 101 in the embodiment of the invention, perhaps also a plurality of compressors can be comprised.
Off-premises station 101 can be used for providing thermal source or low-temperature receiver.
Indoor set 102 can be used for receive thermal source or the low-temperature receiver that the one or more off-premises stations by described at least one off-premises station provide.
Control system 103 can comprise distribution of lubrication oil subsystem 1031, refrigerant assignment subsystem 1032 and RACS 1033.
Distribution of lubrication oil subsystem 1031 can link to each other with M off-premises station 101, wherein, can comprise a separator F1 in the distribution of lubrication oil subsystem 1031, and separator F1 can be used for oil is separated with refrigerant.
Refrigerant assignment subsystem 1032 can link to each other with each off-premises station 101 in M the off-premises station 101, and RACS 1033 can all link to each other with each off-premises station 101 of M off-premises station 101, each indoor set 102, distribution of lubrication oil subsystem 1031 and the refrigerant assignment subsystem 1032 of a N indoor set 102.
Wherein, when RACS 1033 receives the first control instruction of one or more indoor sets 102 for N indoor set 102 of control, RACS 1033 can be carried out described the first control instruction, refrigerant assignment subsystem 1032 is controlled, thermal source or low-temperature receiver to described one or more indoor set 102 outputs first value corresponding with described the first control instruction, and distribution of lubrication oil subsystem 1031 is controlled, make in the one or more off-premises stations 101 in M the off-premises station 101 corresponding with one or more indoor set 102 oil mass in each off-premises station 101 in default oil mass scope.
As shown in Figure 2, be the simple structure schematic diagram of control system in the embodiment of the invention 103.Distribution of lubrication oil subsystem 1031 can comprise separator unit 10311 and the first valve unit 10312 in the embodiment of the invention.
Separator unit 10311 can be used for oil is separated with refrigerant, and separator unit 10311 namely can comprise separator F1.
The first valve unit 10312 can be used for controlling the transmission of carrying out thermal source or low-temperature receiver between described control system 103 and described at least one off-premises station 101.
Refrigerant assignment subsystem 1032 can comprise second valve gate cell 10321, and second valve gate cell 10321 can be used for controlling the transmission of carrying out refrigerant between described control system 103 and at least one off-premises station 101.
As shown in Figure 3A, the first valve unit 10312 in the embodiment of the invention can comprise M the first valve R1, M the second valve R2, the 3rd valve R3, the 6th valve R6, the 7th valve R7, the 8th valve R8, the 9th valve R9, the tenth valve R10 and the 11 valve R11.To comprise that take described air-conditioning system two off-premises stations 101 and four indoor sets 102 describe as example among Fig. 3 A.Wherein,
The end of each the first valve R1 links to each other with an off-premises station 101, and the other end of each the first valve R1 links to each other with the end of second a valve R2.
The other end of each the second valve R2 links to each other with an end and the separator F1 of the 6th valve R6.
The end of the 3rd valve R3 links to each other with each indoor set 102 in the described N indoor set 102, and the other end of the 3rd valve R3 links to each other with an end and the separator F1 of the 11 valve R11 respectively.
The other end of the 6th valve R6 links to each other with an end and the separator F1 of the 7th valve R7 respectively.
The other end of the 7th valve R7 links to each other with the other end of the 8th valve R8.
The other end of the 9th valve R9 links to each other with separator F1.
The other end of the tenth valve R10 links to each other with the other end of the 11 valve R11.
Better, in the embodiment of the invention, also can not comprise described M the second valve R2 in the first valve unit 10312, can further reduce valve quantity, simplied system structure like this.
But because the effect of the second valve R2 is the unlatching of control off-premises station 101 or closes.For example, first the 3rd valve can be used for the unlatching of first off-premises station 101 of control or close, and when described first off-premises station 101 was not worked, described first second valve R2 can close, to cut off being connected of described first off-premises station 101 and system.If then do not comprise M the second valve R2 in the first valve unit 10312, the compressor outlet place of each off-premises station 101 that may be in M off-premises station 101 arranges a check valve, is used for replacing the second valve R2 to control the unlatching of corresponding off-premises station 101 or closes.
Wherein, the first valve R1 can be stop valve in the embodiment of the invention, the second valve R2 can be two-port valve (magnetic valve), the 3rd valve R3 can be the difference valve, and the 6th valve R6 can be two-port valve, and the 7th valve R7 can be two-port valve, the 8th valve R8 can be check valve, the 9th valve R9 can be check valve, and the tenth valve R10 can be two-port valve, and the 11 valve R11 can be check valve.
Among Fig. 3 A, second valve gate cell 10321 can comprise M the 4th valve R4 and the 5th a valve R5.
Wherein, the end of each the 4th valve R4 links to each other with a described off-premises station 101 among individual the 4th valve R4 of M, and the other end of each the 4th valve R4 links to each other with the end of distribution of lubrication oil subsystem 1031 and the 5th valve R5 respectively.
The other end of the 5th valve R5 links to each other with each indoor set 102 in N the indoor set 102
Wherein, not shown control system 103 among Fig. 3 A, and be to comprise that with described air-conditioning system four indoor sets 102 and two off-premises stations 101 describe among Fig. 3 A.If the quantity of off-premises station 101 changes and/or the quantity of indoor set 102 changes, then those skilled in the art know naturally how thought according to the present invention is out of shape.
The process of refrigerastion of described air-conditioning system is described below:
One or more indoor sets 102 transfer to separator F1 with the refrigerant of gaseous state through the 3rd valve R3, through separator F1 the gas in the refrigerant is separated with liquid, isolated gaseous coolant enters corresponding one or more off-premises station 101 through one or more the first valve R1 among one or more the second valve R2 among M the second valve R2 and individual the first valve R1 of M, and isolated lubricating oil can be via the 6th valve R6, one or more the first valve R1 among one or more the second valve R2 among individual the second valve R2 of M and individual the first valve R1 of M enter corresponding one or more off-premises station 101.In one or more off-premises stations 101, compressor in one or more off-premises stations 101 can be with the liquid refrigerants of the refrigerant boil down to HTHP of gaseous state, and the refrigerant after can will being compressed by one or more off-premises stations 101 enters indoor set 102 in corresponding one or more work via one among M the 4th valve R4 or the 4th valve R4 and the 5th valve R5.Liquid refrigerant enters indoor set 102, the space increases suddenly, pressure reduces, liquid refrigerant will be vaporized, and is a process of heat absorption from the liquid state to the gaseous state, the heat that the vaporization absorption of refrigerant is a large amount of, indoor set 102 will turn cold, the fan of indoor set 102 is blown over indoor air from indoor set 102, be exactly cold wind so indoor set 102 produces by boasting, thereby make air-conditioning system reach the effect of refrigeration.Then the refrigerant of gaseous state continues in the same way circulation.
Wherein, in the embodiment of the invention, (namely between the 9th valve R9 and the 11 valve R11) is provided with a capillary between oil eliminator F2 and the 11 valve R11.
Described air-conditioning system to heat process prescription as follows:
One or more off-premises stations 101 are with the gaseous coolant of the refrigerant boil down to HTHP of gaseous state, the refrigerant of the HTHP after will being compressed by one or more off-premises stations 101 that refrigerant is compressed again enters separator F1 via one or more the second valve R2 among one or more the first valve R1 among M the first valve R1 and individual the second valve R2 of M, in separator F1, gas is separated with liquid, isolated gaseous coolant enters corresponding one or more indoor set 102 via the 3rd valve R3, separator F1 inside has a height boundary, and the lubricating oil that surpasses this height boundary can enter corresponding one or more off-premises station 101 via one or more the 4th valve R4 among the 9th valve R9 and individual the 4th valve R4 of M.The refrigerant of gaseous state enters indoor set 102, the refrigerant of gaseous state will liquefy, it is a process of heat radiation from the gaseous state to the liquid state, the liquefaction of refrigerant discharges a large amount of heats, indoor set 102 will heating, the fan of indoor set 102 is blown over indoor air from indoor set 102, be exactly hot blast so indoor set 102 produces by boasting, thereby make air-conditioning system reach the effect that heats.Then liquid refrigerant continues in the same way circulation.
Wherein, when needs are all oily, can open the 7th valve R7, make the lubricating oil among the separator F1 enter corresponding one or more off-premises station 101 via one or more the 4th valve R4 among the 7th valve R7, the 8th valve R8 and individual the 4th valve R4 of M.
Wherein, between the 7th valve R7 and separator F1, can be provided with a capillary.
Wherein, between the 11 valve R11 and the 3rd valve R3, or can be provided with a temperature sensor between the tenth valve R10 and the 11 valve R11, it can determine whether oil starvation of system by detected temperatures, and this temperature sensor is not shown in Fig. 3 A.
Referring to Fig. 3 B, be the detailed structure view of separator F1 in the embodiment of the invention.
Have inlet tube 1a and outlet 1b for the transmission gaseous coolant among this separator F1, this outlet 1b can have three perforates, is respectively the first perforate 1f, the second perforate 1e and the 3rd perforate 1c as shown in Fig. 3 B.Wherein, the inlet tube 1a of separator F1 enters the inner backward edgewise bend of separator F1, does not directly link to each other with outlet 1b.The position that separator F1 inside is positioned at outlet 1b bottom is provided with a baffle plate 1d, offers an aperture in the middle of the baffle plate 1d, and namely the 4th perforate 1h can flow to separator F1 bottom via this 1h through the isolated lubricating oil of separator F1.
When air-conditioning system is freezed, refrigerant enters separator F1 from inlet tube 1a, after separator F1 carries out gas and fluid separation applications, gaseous coolant can flow out from outlet 1b, isolated lubricating oil can flow to separator F1 bottom from the middle 1h of baffle plate 1d, can flow out by the oil outlet 1i that the separator bottom has subsequently, enter corresponding one or more off-premises station 101.
When air-conditioning system heated, refrigerant entered separator F1 from outlet 1b, and after separator F1 carried out gas and fluid separation applications, gaseous coolant can flow out from inlet tube 1a, and isolated lubricating oil can flow to separator F1 bottom from the middle 1h of baffle plate 1d.Simultaneously, also have perforate on the separator F1 sidewall, i.e. the 5th perforate 1g, when fuel head surpassed the height of 1g, lubricating oil can flow out from 1g.
Simultaneously, if system needs all oil, then can lubricating oil be discharged from separator F1 by the oil outlet 1i of separator F1 bottom.
Simultaneously, in the embodiment of the invention, 1c can be provided with screen pack, if fuel head has surpassed 1c, then lubricating oil can enter outlet 1b by 1c.
In the embodiment of the invention, be provided with 1f and 1e on the outlet 1b, after system was out of service, air-conditioning system more easily reached balance, avoided refrigerant to move in the compressor of off-premises station 101, reliability that can the Effective Raise system.
In the embodiment of the invention, control system 103 can receive described the first control instruction, described the first control instruction can be used for controlling 102 starts of one or more indoor sets, the shutdown of a described N indoor set 102, or described the first control instruction can be used for controlling wind direction, rotation speed of the fan, temperature, setting available machine time or the setting unused time of one or more indoor sets 102 of a described N indoor set 102, etc.
Referring to Fig. 4, described air-conditioning system can also comprise detection module 401, and detection module 401 can be for detection of the one or more oil mass values in one or more off-premises stations 101 in the described M off-premises station 101.
When RACS 1033 can also be used for receiving described the first control instruction, carry out described the first control instruction, to start described detection module 401, and can obtain the one or more oil mass values in one or more off-premises stations 101 in described M the off-premises station 101 that described detection module 401 detects, judge whether the oil mass value of P off-premises station 101 is arranged greater than the higher limit of described default oil mass scope in the described M off-premises station 101 according to the one or more oil mass values in one or more off-premises stations 101 in described M the off-premises station 101 that obtains, the oil mass value of P off-premises station 101 in judge determining a described M off-premises station 101 is during greater than the higher limit of described default oil mass scope, can generate the second control instruction, and described the second control instruction sent to described P corresponding off-premises station 101, to indicate a described P off-premises station 101 to reduce operating frequency, export with the unnecessary oil mass that makes a described P off-premises station 101 will exceed described default oil mass scope, thereby make the oil mass of storage in the described M off-premises station 101 reach balanced; Wherein P is not less than 0 and less than the integer of M.
Detection module 401 can also be used for after the described P of RACS 1033 an indications off-premises station 101 reduces operating frequency a described P off-premises station 101 being detected, and obtains the first testing result.
Optionally, RACS 1033 can also be used for receiving described the first testing result, judge according to described the first testing result whether the oil mass in each off-premises station 101 in the described P off-premises station 101 reaches the higher limit of described default oil mass scope, when the oil mass in the one or more off-premises stations 101 in determining a described P off-premises station 101 reaches the higher limit of described default oil mass scope, generate the 3rd control instruction, and described the 3rd control instruction sent to corresponding off-premises station 101, improve operating frequencies to indicate corresponding off-premises station 101.
Optionally, RACS 1033 can also be used for receiving described the first testing result, judge according to described the first testing result whether the oil mass in each off-premises station 101 reaches the first default oil mass value in the described P off-premises station 101, oil mass in one or more off-premises stations 101 in determining a described P off-premises station 101 generates described the 3rd control instruction when reaching the described first default oil mass value, and described the 3rd control instruction sent to corresponding off-premises station 101, improve operating frequencies to indicate corresponding off-premises station 101.
The default oil mass value of in the embodiment of the invention described first can be the oil mass value that can make corresponding off-premises station 101 normal operations, for example, the described first default oil mass value scope can be the higher limit that is not more than described default oil mass scope, and is not less than the lower limit of described default oil mass scope.
When RACS 1033 can also be used for receiving described the first control instruction, start described detection module 401 according to carrying out described the first control instruction, obtain the one or more oil mass values in one or more off-premises stations 101 in described M the off-premises station 101 that described detection module 401 detects, the oil mass value of P off-premises station 101 in determining a described M off-premises station 101 is during less than the lower limit of described default oil mass scope, generate the 4th control instruction, and described the 4th control instruction sent to described P corresponding off-premises station 101, to indicate a described P off-premises station 101 to improve operating frequency, obtain lubricating oil to make in the corresponding off-premises station 101 of a described P off-premises station 101 from M-P off-premises station 101, thereby make the oil mass of storage in the described M off-premises station 101 reach balanced; Wherein P is not less than 0 and less than the integer of M.
Detection module 401 can also be used for after the described P of RACS 1033 an indications off-premises station 101 improves operating frequency a described P off-premises station 101 being detected, and obtains the first testing result.
Optionally, RACS 1033 can also be used for receiving described the first testing result, judge according to described the first testing result whether the oil mass in each off-premises station 101 in the described P off-premises station 101 reaches the lower limit of described default oil mass scope, when the oil mass in the one or more off-premises stations 101 in determining a described P off-premises station 101 reaches the lower limit of described default oil mass scope, generate the 5th control instruction, and described the 5th control instruction sent to corresponding off-premises station 101, reduce operating frequencies to indicate corresponding off-premises station 101.
Optionally, RACS 1033 can also be used for receiving described the first testing result, judge according to described the first testing result whether the oil mass in each off-premises station 101 reaches the second default oil mass value in the described P off-premises station 101, oil mass in one or more off-premises stations 101 in determining a described P off-premises station 101 generates described the 5th control instruction when reaching the described second default oil mass value, and described the 5th control instruction sent to corresponding off-premises station 101, reduce operating frequencies to indicate corresponding off-premises station 101.
The default oil mass value of in the embodiment of the invention described second can be the oil mass value that can make corresponding off-premises station 101 normal operations, for example, the described second default oil mass value scope can be the higher limit that is not more than described default oil mass scope, and is not less than the lower limit of described default oil mass scope.
In the embodiment of the invention, the described first default oil mass value and described second presets that the oil mass value can equate also can be unequal.
Detection module 401 can also be for detection of the one or more refrigerant content value in one or more off-premises stations in the described M off-premises station.
When RACS 1033 can also be used for receiving described the first control instruction, according to carrying out described the first control instruction start detection module 401, refrigerant content value in described the first off-premises station in described M the off-premises station that acquisition detection module 401 detects and the refrigerant content value in described the second off-premises station, refrigerant content value in determining described the first off-premises station is during less than the refrigerant content value in described the second off-premises station, generate and carry out the 6th control instruction, to input the refrigerant of the second value to described the first off-premises station by controlling described refrigerant assignment subsystem, reach refrigerant from the 3rd value to described the second off-premises station that input, wherein said the second value is greater than described the 3rd value.
In the embodiment of the invention, RACS 1033 specifically can comprise receiver module, processing module and sending module.
Described receiver module can be used for receiving described the first control instruction.
Described processing module is used for carrying out described the first control instruction, so that distribution of lubrication oil subsystem 1031 and/or refrigerant assignment subsystem 1032 are controlled; Receive the detection information that detection module 401 sends by described receiver module, and according to the corresponding control instruction of described detection Information generation.
Described sending module is used for corresponding control instruction is sent to the off-premises station 101 of the correspondence of a described M off-premises station 101.
In the embodiment of the invention, described RACS 1033 can also comprise an input module, and described input module can send described the first control instruction to described receiver module according to user's operation.
The embodiment of the invention also provides a kind of control system, and described control system can comprise casing; One circuit board, this circuit board can be arranged in the described casing; Distribution of lubrication oil subsystem 1031, distribution of lubrication oil subsystem 1031 can be arranged on the described circuit board, is connected with M off-premises station 101, wherein, can comprise a separator F1 in the distribution of lubrication oil subsystem 1031, separator F1 can be used for oil is separated with refrigerant; Refrigerant assignment subsystem 1032, refrigerant assignment subsystem 1032 can be arranged on the described circuit board, are connected with M off-premises station 101; RACS 1033 can be arranged on the described circuit board, is connected with a described M off-premises station 101, a described N indoor set 102, distribution of lubrication oil subsystem 1031 and refrigerant assignment subsystem 1032; Electric supply installation can be arranged in the described casing, is used for to distribution of lubrication oil subsystem 1031, refrigerant assignment subsystem 1032 and RACS 1033 power supplies.That is, the described control system in the embodiment of the invention can comprise described air-conditioning system.
Referring to Fig. 5, the present invention also provides a kind of air conditioning control method, described method can be applied in the described air-conditioning system, described air-conditioning system can comprise M off-premises station 101, a N indoor set 102 and control system 103, control system 103 can comprise distribution of lubrication oil subsystem 1031, refrigerant assignment subsystem 1032 and RACS 1033, wherein, can comprise a separator F1 in the distribution of lubrication oil subsystem 1031, separator F1 can be used for gas is separated with liquid, and the main flow process of described method is as follows:
Step 501: receive the first control instruction.
RACS 1033 can receive described the first control instruction, and described the first control instruction can be that the user directly sends, and perhaps can be that described input module is according to user's operation generation.
For example, the user can carry out the first operation by a handheld device that links to each other with RACS 1033, and RACS 1033 was equivalent to receive described the first control instruction when then the user carried out described the first operation.Perhaps, the user can carry out the first operation by an electronic equipment that links to each other with RACS 1033, the input module that then comprises in the RACS 1033 can generate described the first control instruction according to described the first operation, also is equivalent to RACS 1033 and has received described the first control instruction.
In the embodiment of the invention, described the first control instruction can be used for controlling 102 starts of one or more indoor sets, the shutdown of a described N indoor set 102, or described the first control instruction can be used for controlling wind direction, rotation speed of the fan, temperature, setting available machine time, the setting unused time of one or more indoor sets 102 of a described N indoor set 102, etc.
Step 502: carry out described the first control instruction, refrigerant assignment subsystem 1032 is controlled, thermal source or low-temperature receiver to described one or more indoor set 102 outputs first value corresponding with described the first control instruction, and described distribution of lubrication oil subsystem 1031 is controlled, make in the one or more off-premises stations 101 in described M the off-premises station 101 corresponding with described one or more indoor set 102 oil mass in each off-premises station 101 in default oil mass scope.
One, RACS 1033 can be carried out described the first control instruction, start detection module 401, make the one or more oil mass values in the one or more off-premises stations 101 in 401 pairs of described M off-premises stations 101 of detection module detect, and obtain the one or more oil mass values in one or more off-premises stations in described M the off-premises station 101 that detection module 401 detects.
If the oil mass value of determining P off-premises station 101 in the described M off-premises station 101 during greater than the higher limit of described default oil mass scope, can generate the second control instruction.
Described the second control instruction can be sent to described P corresponding off-premises station 101, to indicate a described P off-premises station 101 to reduce operating frequency, export with the unnecessary oil mass that makes a described P off-premises station 101 will exceed described default oil mass scope, it is balanced that thereby the oil mass that makes in the described M off-premises station 101 storage reaches, and wherein P is not less than 0 and less than the integer of M.
In the embodiment of the invention, described the second control instruction is being sent to described P corresponding off-premises station 101, to indicate a described P off-premises station 101 to reduce after the operating frequencies, detection module 401 can also detect a described P off-premises station 101, obtains the first testing result.
Optionally, RACS 1033 can judge whether the oil mass in each off-premises station 101 in the described P off-premises station 101 reaches the higher limit of described default oil mass scope according to described the first testing result.
When the oil mass in the one or more off-premises stations 101 in determining a described P off-premises station 101 reaches the higher limit of described default oil mass scope, RACS 1033 can generate the 3rd control instruction, and described the 3rd control instruction sent to corresponding off-premises station 101, improve operating frequencies to indicate corresponding off-premises station 101.
Optionally, RACS 1033 can judge whether the oil mass in each off-premises station 101 reaches the described first default oil mass value in the described P off-premises station 101 according to described the first testing result.
Oil mass in one or more off-premises stations 101 in determining a described P off-premises station 101 generates described the 3rd control instruction when reaching the described first default oil mass value, and described the 3rd control instruction sent to corresponding off-premises station 101, improve operating frequencies to indicate corresponding off-premises station 101.
The default oil mass value of in the embodiment of the invention described first can be the oil mass value that can make corresponding off-premises station 101 normal operations, for example, the described first default oil mass value scope can be the higher limit that is not more than described default oil mass scope, and is not less than the lower limit of described default oil mass scope.
Namely, if detect oil mass in the off-premises station 101 when more, the operating frequency of can corresponding reduction oil mass more off-premises station 101, so that these off-premises stations 101 can be discharged unnecessary oil mass, the oil of discharging can directly enter the higher off-premises station of other operating frequency 101, circulates after perhaps can entering respective chambers machine 102.Thereby avoid causing because off-premises station 101 oil content are more easy damage.
Two, RACS 1033 can be carried out described the first control instruction, start detection module 401, make the one or more oil mass values in the one or more off-premises stations 101 in 401 pairs of described M off-premises stations 101 of detection module detect, and obtain the one or more oil mass values in one or more off-premises stations in described M the off-premises station 101 that detection module 401 detects.
The oil mass value of P off-premises station 101 in determining a described M off-premises station 101 is during less than the lower limit of described default oil mass scope, and RACS 1033 can generate the 4th control instruction.
Described the 4th control instruction can be sent to described P corresponding off-premises station 101, to indicate a described P off-premises station 101 to improve operating frequency, obtain lubricating oil to make in the corresponding off-premises station 101 of a described P off-premises station 101 from M-P off-premises station 101, it is balanced that thereby the oil mass that makes in the described M off-premises station 101 storage reaches, and wherein P is not less than 0 and less than the integer of M.
In the embodiment of the invention, described the 3rd control instruction is being sent to described P corresponding off-premises station, to indicate after described P the off-premises station raising operating frequency, detection module 401 can also detect a described P off-premises station 101, obtains the first testing result.
Optionally, RACS 1033 can judge whether the oil mass in each off-premises station 101 in the described P off-premises station 101 reaches the lower limit of described default oil mass scope according to described the first testing result.
When the oil mass in the one or more off-premises stations 101 in determining a described P off-premises station reaches the lower limit of described default oil mass scope, RACS 1033 can generate the 5th control instruction, and described the 5th control instruction can be sent to corresponding off-premises station 101, reduce operating frequency to indicate corresponding off-premises station 101.
Optionally, RACS 1033 can judge whether the oil mass in each off-premises station 101 reaches the described second default oil mass value in the described P off-premises station 101 according to described the first testing result.
The oil mass of RACS 1033 in can the one or more off-premises stations 101 in determining a described P off-premises station 101 reaches second and generates described the 5th control instruction when presetting the oil mass value, and described the 5th control instruction can be sent to corresponding off-premises station 101, reduce operating frequency to indicate corresponding off-premises station 101.
The default oil mass value of in the embodiment of the invention described second can be the oil mass value that can make corresponding off-premises station 101 normal operations, for example, the described second default oil mass value scope can be the higher limit that is not more than described default oil mass scope, and is not less than the lower limit of described default oil mass scope.
In the embodiment of the invention, the described first default oil mass value and described second presets that the oil mass value can equate also can be unequal.
Namely, if detect oil mass in the off-premises station 101 when less, the operating frequency of can corresponding raising oil mass more off-premises station 101, so that the oil mass that these off-premises stations 101 can suck other off-premises station 101 or transmit, thereby avoid causing because off-premises station 101 oil content are less easy damage from indoor set 102.
Three, RACS 1033 can be carried out described the first control instruction, start detection module 401, make the refrigerant content in the one or more off-premises stations 101 in 401 pairs of described M off-premises stations 101 of detection module detect, and can obtain refrigerant content value in described the first off-premises station in described M the off-premises station that detection module 401 detects and the refrigerant content value in described the second off-premises station.
Refrigerant content value in determining described the first off-premises station is during less than the refrigerant content value in described the second off-premises station, and RACS 1033 can generate the 6th control instruction.
RACS 1033 can be carried out described the 6th control instruction, to input the refrigerant of the second value to described the first off-premises station by controlling described refrigerant assignment subsystem, reach refrigerant from the 3rd value to described the second off-premises station that input, wherein said the second value is greater than described the 3rd value.
Namely, if detect refrigerant content in two or more off-premises stations 101 when unbalanced, can between two or more off-premises stations 101, carry out the equilibrium of refrigerant, make the refrigerant content in each off-premises station 101 identical as far as possible, thereby avoid the refrigerant content in each off-premises station 101 unbalanced.
In the embodiment of the invention, can control by off-premises station 101 and indoor set 102 in 103 pairs of consolidated networks of control system.
For example, if two indoor sets 102 are arranged in the network, every indoor set 102 is 1.5P, and two off-premises stations 101 are arranged, and wherein an off-premises station 101 is 1.5P, and another off-premises station 101 is 3P.If user selection is opened an indoor set 102, then control system 103 may select to open the off-premises station 101 of 1.5P, and the off-premises station 101 of another 3P can not opened; And if user selection is opened two indoor sets 102, then control system may select to open the off-premises station 101 of 3P, and the off-premises station 101 of another 1.5P also can not opened, and so can reach energy-conservation effect as far as possible.
Perhaps for example, if three indoor sets 102 are arranged in the network, these three indoor sets are 1.5P, and two off-premises stations 101 are arranged, and wherein an off-premises station 101 is 1.5P, and another off-premises station 101 is 3P.If user selection is opened an indoor set 102, then control system 103 may select to open the off-premises station 101 of 1.5P, and the off-premises station 101 of another 3P can not opened; And if user selection is opened two indoor sets 102, then control system 103 may select to open the off-premises station 101 of 3P, and the off-premises station 101 of another 1.5P can not opened; If user selection is opened three indoor sets 102, then control system 103 may all be opened two off-premises stations 101.
Better, when many indoor sets 102 and/or many off-premises stations 101 are arranged in the network, indoor set 102 for the user selection unlatching, the concrete indoor set 102 of selecting which platform or which platform off-premises station 101 to open for need provides thermal source or low-temperature receiver, control system 103 can be determined by respective algorithms, for example can to determine to open which off-premises station 101 more energy-conservation for control system, then can control and open these off-premises stations 101.
Concrete, control system 103 can be come corresponding off-premises station 101 and/or indoor set 102 are controlled by controlling corresponding valve.For example, control system 103 needs the refrigerant of control inflow indoor set A more, the refrigerant that flows into indoor set B is less, then control system 103 can be controlled corresponding to the 13 valve R13 unlatching amplitude of indoor set A larger, and control is less corresponding to the 13 valve R13 unlatching amplitude of indoor set B, so that more via the refrigerant of the 13 valve R13 inflow indoor set A, and the refrigerant of inflow indoor set B is less.
Air-conditioning system in the embodiment of the invention comprises: M off-premises station 101, be used for providing thermal source or low-temperature receiver, and wherein, M is positive integer; N indoor set 102 is used for receiving thermal source or the low-temperature receiver that is provided by a described M off-premises station 101; N is positive integer; Control system 103, comprise: distribution of lubrication oil subsystem 1031 is connected with each off-premises station 101 in the described M off-premises station 101, wherein, comprise a separator F1 in the described distribution of lubrication oil subsystem 1031, described separator F1 is used for oil is separated with refrigerant; Refrigerant assignment subsystem 1032 is connected with each off-premises station 101 in the described M off-premises station 101; RACS 1033 is connected with each off-premises station 101 in each indoor set 102 in the described N indoor set 102, the described M off-premises station 101, described distribution of lubrication oil subsystem 1031 and described refrigerant assignment subsystem 1032; Wherein, when described RACS 1033 receives the first control instruction for one or more indoor sets 102 of controlling a described N indoor set 102, described RACS 1033 is carried out described the first control instruction, described refrigerant assignment subsystem 1032 is controlled, thermal source or low-temperature receiver to described one or more indoor set 102 outputs first value corresponding with described the first control instruction, and described distribution of lubrication oil subsystem 1031 is controlled, make in one or more off-premises stations 101 in described M the off-premises station 101 corresponding with described one or more indoor set 102 oil mass in each off-premises station 101 in default oil mass scope by described separator F1.
One or more technical schemes by in the embodiment of the present application can be achieved as follows technique effect at least:
1, central air-conditioning of the prior art, all have gas-liquid separator and oil eliminator, between them, need to connect more pipeline, the system connection of making is comparatively complicated, the parts that need to control when control are more, so, exist system reliability lower, manufacturing cost is higher technical problem also.Gas-liquid separator and oil eliminator have been substituted with a separator in the embodiment of the invention, saved the connecting pipe between gas-liquid separator and the oil eliminator, simplified the structure of system, solved in the prior art system's connection comparatively complicated, the parts that need to control when control are more, so, exist system reliability lower, manufacturing cost is higher technical problem also, the parts that need to control during control significantly reduce, improve system reliability, and because reduced hardware component, also reduced manufacturing cost.
2, central air-conditioning of the prior art, although can realize by a plurality of off-premises stations that fit together a plurality of indoor sets being carried out heat supply or cooling, but, between many group central air-conditioning, yet will not organize central air-conditioning more and carry out networking and control by a concentrated control platform, therefore can't centralized Control.In the embodiment of the invention, many off-premises stations and many indoor sets are networked, for it is equipped with unified control module, by described control module unification each off-premises station or indoor set in the network are controlled, thereby can for each off-premises station unified distribution according to need low-temperature receiver or thermal source, improve operating efficiency by centralized and unified control.
3, central air-conditioning of the prior art, a plurality of compressors are arranged in the off-premises station, this just need to carry out all oil control to the lubricating oil in the compressor, but since prior art in equal oily implementation, all need the structure do modification more or less to compressor, or need to connect the pipeline that is used for equal oily usefulness at compressor chamber, so implementation is comparatively complicated.And the technical scheme in the embodiment of the invention, when realizing equal oil, realize by control module, for it goes without doing any change of off-premises station and indoor set, compressor in the off-premises station also be need not to carry out any adjustment, so the technical scheme among the present invention can be applied in arbitrarily in the air conditioner, range of application is very extensive, and it is convenient to realize, has simplified operating process.
4, can't centralized Control to each split-type air conditioner that carries out separately installation and operation in the prior art, need separately every air-conditioning to be controlled, every air-conditioning may all need control device separately like this, and required hardware or software resource are more, comparatively waste resource.And in the embodiment of the invention, for many indoor sets and/or the off-premises station of networking has been equipped with unified control module, only need can control each machine in the network with a control module, need not more control appliance, saving resource.Simultaneously, adopt a control module to carry out overall control, also be convenient to distribute resource unitedly according to whole needs, make resource obtain rationalizing and use.
5, each split-type air conditioner can not networking operation in the prior art, and an off-premises station carry out cooling or heat supply can only for the indoor set of fixing correspondence, can not distribute low-temperature receiver or thermal source according to whole needs.And in the embodiment of the invention, many off-premises stations and many indoor sets are networked, for it is equipped with unified control module, by described control module unification each off-premises station or indoor set in the network are controlled, thereby the off-premises station that can be complementary with it for respective chambers machine corresponding selection, can distribute low-temperature receiver or thermal source according to whole needs, and can come to select suitable off-premises station for it according to the concrete parameters such as power of respective chambers machine, thereby at utmost reach power match, to save the energy.
6, in the prior art, because each split-type air conditioner can't networking operation, if the off-premises station fault in split-type air conditioner, although its corresponding indoor set would be in normal condition, because the off-premises station corresponding with it has fault, so also can't use.And in the embodiment of the invention, because the off-premises station in many split-type air conditioners and many indoor sets can be networked, make many machine networking operations, if so wherein there is an off-premises station to damage, when then needing to move indoor set, can also select other off-premises station, be unlikely to because off-premises station damages corresponding indoor set to be moved, can at utmost utilize resource, avoid causing the wasting of resources.
7, in the embodiment of the invention, carry out overall control because be with a control module, therefore this control module can be by detecting to judge the oil mass in each off-premises station to each off-premises station, when the oil mass between each off-premises station is unbalanced, this control module can be controlled at carries out equal oil between each off-premises station, avoided off-premises station to damage because of heavy wool or few oil.
In a word, in the embodiment of the invention, gas-liquid separator and oil eliminator have been substituted with a separator, saved the connecting pipe between gas-liquid separator and the oil eliminator, simplified the structure of system, solved in the prior art system's connection comparatively complicated, the parts that need to control when control are more, so, exist system reliability lower, manufacturing cost is higher technical problem also, the parts that need to control during control significantly reduce, improve system reliability, and because reduced hardware component, also reduced manufacturing cost.
And, a plurality of off-premises stations and a plurality of indoor set are linked to each other with described control system, be about to a plurality of off-premises stations and a plurality of indoor set carries out networking, thereby can unify control to it by described control system, described control system can be controlled thermal source content in the off-premises station according to the corresponding control instruction that receives, low-temperature receiver content or refrigerant content, thereby parameter that can corresponding control indoor set, for example can control the wind direction of indoor set, wind speed, temperature, switching on and shutting down etc., thereby can realize each off-premises station in the network or the control of off-premises station by a control system, easy and simple to handle, operating efficiency is higher, simultaneously the described control system energy-conservation mode of can under equal conditions selecting to try one's best makes corresponding off-premises station or indoor set work, can reach energy-conservation effect, concerning the user, also simplify operating process.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (28)

1. an air-conditioning system is characterized in that, comprising:
M off-premises station is used for providing thermal source or low-temperature receiver, and wherein, M is positive integer;
N indoor set is used for receiving thermal source or the low-temperature receiver that is provided by a described M off-premises station; N is positive integer;
Control system comprises:
The distribution of lubrication oil subsystem is connected with each off-premises station in the described M off-premises station, wherein, comprises a separator in the described distribution of lubrication oil subsystem, and described separator is used for oil is separated with refrigerant;
The refrigerant assignment subsystem is connected with each off-premises station in the described M off-premises station;
RACS is connected with each off-premises station in each indoor set in the described N indoor set, the described M off-premises station, described distribution of lubrication oil subsystem and described refrigerant assignment subsystem;
Wherein, when described RACS receives the first control instruction for one or more indoor sets of controlling a described N indoor set, described RACS is carried out described the first control instruction, described refrigerant assignment subsystem is controlled, thermal source or low-temperature receiver to described one or more indoor set outputs first value corresponding with described the first control instruction, and described distribution of lubrication oil subsystem is controlled, make in one or more off-premises stations in described M the off-premises station corresponding with described one or more indoor sets the oil mass in each off-premises station in default oil mass scope by described separator.
2. the system as claimed in claim 1 is characterized in that, described separator comprises inlet tube, outlet and baffle plate;
Offer the first perforate, the second perforate on the sidewall of described outlet, be used for making the refrigerant of described air-conditioning system reach balance; The bottom of described outlet offers the 3rd perforate, is used for making outflow of lubrication oil;
Described baffle plate center offers the 4th perforate, is used for making the lubricating oil that flows out via described the 3rd perforate to flow into described separator bottom;
Offer the 5th perforate on the described separator sidewall, be used for making unnecessary lubricating oil discharge described separator.
3. the system as claimed in claim 1 is characterized in that, the connected mode of a described M off-premises station, a described N indoor set and described control system is branch pipe connected mode, direct connected mode or mixes connected mode.
4. the system as claimed in claim 1 is characterized in that, described distribution of lubrication oil subsystem also comprises the first valve unit;
Described the first valve unit is used for controlling the transmission of carrying out thermal source or low-temperature receiver between described control system and described at least one off-premises station.
5. system as claimed in claim 4 is characterized in that, described the first valve unit comprises M the first valve, M the second valve, the 3rd valve, the 6th valve, the 7th valve, the 8th valve, the 9th valve, the tenth valve and the 11 valve; Wherein,
One end of each described the first valve links to each other with a described off-premises station, and the other end of each described the first valve links to each other with an end of described second valve;
The other end of each described the second valve links to each other with an end and the described separator of described the 6th valve;
One end of described the 3rd valve links to each other with each indoor set in the described N indoor set, and the other end of described the 3rd valve links to each other with an end and the described separator of described the 11 valve respectively;
The other end of described the 6th valve links to each other with an end and the described separator of described the 7th valve respectively;
The other end of described the 7th valve links to each other with the other end of described the 8th valve;
The other end of described the 9th valve links to each other with described separator;
The other end of described the tenth valve links to each other with the other end of described the 11 valve.
6. the system as claimed in claim 1 is characterized in that, described refrigerant assignment subsystem comprises: the second valve gate cell is used for controlling the transmission of carrying out refrigerant between described control system and described at least one off-premises station.
7. system as claimed in claim 6 is characterized in that, described second valve gate cell comprises M the 4th valve and the 5th valve;
An end of each described the 4th valve links to each other with a described off-premises station in individual the 4th valve of described M, and the other end of each described the 4th valve links to each other with an end of described distribution of lubrication oil subsystem and described the 5th valve respectively;
The other end of described the 5th valve links to each other with each indoor set in the described N indoor set.
8. the system as claimed in claim 1, it is characterized in that, described the first control instruction is used for controlling one or more indoor set starts, the shutdown of a described N indoor set, or described the first control instruction is for wind direction, rotation speed of the fan, temperature or the setting available machine time of one or more indoor sets of controlling a described N indoor set.
9. the system as claimed in claim 1 is characterized in that, described system also comprises:
Detection module is for detection of the one or more oil mass values in one or more off-premises stations in the described M off-premises station;
When described RACS also is used for receiving described the first control instruction, carry out described the first control instruction, to start described detection module, and obtain the one or more oil mass values in one or more off-premises stations in described M the off-premises station that described detection module detects, the oil mass value of P off-premises station in determining a described M off-premises station is during greater than the higher limit of described default oil mass scope, generate the second control instruction, and described the second control instruction sent to described P corresponding off-premises station, to indicate described P off-premises station to reduce operating frequency, export with the unnecessary oil mass that makes a described P off-premises station will exceed described default oil mass scope, thereby make the oil mass of storing in the described M off-premises station reach balanced; Wherein P is not less than 0 and less than the integer of M.
10. system as claimed in claim 9 is characterized in that, described detection module also is used for after described P off-premises station of indication reduces operating frequency a described P off-premises station being detected, and obtains the first testing result;
Described RACS also is used for receiving described the first testing result, judge according to described the first testing result whether the oil mass in each off-premises station reaches the first default oil mass value in the described P off-premises station, when the oil mass in the one or more off-premises stations in determining a described P off-premises station reaches the described first default oil mass value, generate the 3rd control instruction, and described the 3rd control instruction sent to corresponding off-premises station, to indicate corresponding off-premises station to improve operating frequency, the described first default oil mass value is not more than the higher limit of described default oil mass scope, and is not less than the lower limit of described default oil mass scope.
11. the system as claimed in claim 1 is characterized in that, described system also comprises detection module, for detection of the one or more oil mass values in one or more off-premises stations in the described M off-premises station;
When described RACS also is used for receiving described the first control instruction, start described detection module according to carrying out described the first control instruction, obtain the one or more oil mass values in one or more off-premises stations in described M the off-premises station that described detection module detects, the oil mass value of P off-premises station in determining a described M off-premises station is during less than the lower limit of described default oil mass scope, generate the 4th control instruction, and described the 4th control instruction sent to described P corresponding off-premises station, to indicate described P off-premises station to improve operating frequency, obtain lubricating oil to make in the corresponding off-premises station of a described P off-premises station from M-P off-premises station, thereby make the oil mass of storing in the described M off-premises station reach balanced; Wherein P is not less than 0 and less than the integer of M.
12. system as claimed in claim 11 is characterized in that, described detection module also is used for after described P off-premises station of indication improves operating frequency a described P off-premises station being detected, and obtains the first testing result;
Described RACS also is used for receiving described the first testing result, judge according to described the first testing result whether the oil mass in each off-premises station reaches the second default oil mass value in the described P off-premises station, when the oil mass in one or more off-premises stations of determining to state in P the off-premises station reaches the described second default oil mass value, generate the 5th control instruction, and described the 5th control instruction sent to corresponding off-premises station, to indicate corresponding off-premises station to reduce operating frequency, the described second default oil mass value is not more than the higher limit of described default oil mass scope, and is not less than the lower limit of described default oil mass scope.
13. the system as claimed in claim 1 is characterized in that, described system also comprises detection module, for detection of the one or more refrigerant content value in one or more off-premises stations in the described M off-premises station;
When described RACS also is used for receiving described the first control instruction, start described detection module according to carrying out described the first control instruction, obtain refrigerant content value in described the first off-premises station in described M the off-premises station that described detection module detects and the refrigerant content value in described the second off-premises station, refrigerant content value in determining described the first off-premises station is during less than the refrigerant content value in described the second off-premises station, generate and carry out the 6th control instruction, to input the refrigerant of the second value to described the first off-premises station by controlling described refrigerant assignment subsystem, reach refrigerant from the 3rd value to described the second off-premises station that input, wherein said the second value is greater than described the 3rd value.
14. the system as claimed in claim 1 is characterized in that, described air-conditioning system also comprises:
Detection module;
Described RACS comprises: receiver module, processing module and sending module;
Wherein, described receiver module is used for receiving described the first control instruction;
Described processing module is used for carrying out described the first control instruction, so that described distribution of lubrication oil subsystem and/or described refrigerant assignment subsystem are controlled; Receive the detection information that described detection module sends by described receiver module, and according to the corresponding control instruction of described detection Information generation;
Described sending module is used for corresponding control instruction is sent to the off-premises station of the correspondence of a described M off-premises station.
15. system as claimed in claim 14 is characterized in that, described RACS also comprises input module, is connected with described processing module, is used for inputting described the first control instruction according to the operation of user's input.
16. a control system is characterized in that, described control system comprises:
Casing;
One circuit board is arranged in the described casing;
The distribution of lubrication oil subsystem is arranged on the described circuit board, is connected with M off-premises station; Wherein, comprise a separator in the described distribution of lubrication oil subsystem, described separator is used for gas is separated with liquid;
The refrigerant assignment subsystem is arranged on the described circuit board, is connected with M off-premises station;
RACS is arranged on the described circuit board, is connected with a described N indoor set, a described M off-premises station, described distribution of lubrication oil subsystem and described refrigerant assignment subsystem;
Electric supply installation is arranged in the described casing, is used for to described distribution of lubrication oil subsystem, described refrigerant assignment subsystem and the power supply of described RACS.
17. control system as claimed in claim 16 is characterized in that, described separator comprises inlet tube, outlet and baffle plate;
Offer the first perforate, the second perforate on the sidewall of described outlet, be used for making the refrigerant of described air-conditioning system reach balance; The bottom of described outlet offers the 3rd perforate, is used for making outflow of lubrication oil;
Described baffle plate center offers the 4th perforate, is used for making the lubricating oil that flows out via described the 3rd perforate to flow into described separator bottom;
Offer the 5th perforate on the described separator sidewall, be used for making unnecessary lubricating oil discharge described separator.
18. control system as claimed in claim 16 is characterized in that, the connected mode of a described M off-premises station, a described N indoor set and described control system is branch pipe connected mode, direct connected mode or mixes connected mode.
19. control system as claimed in claim 16 is characterized in that, described distribution of lubrication oil subsystem also comprises the first valve unit;
Described the first valve unit is used for controlling the transmission of carrying out thermal source or low-temperature receiver between described control system and described at least one off-premises station.
20. control system as claimed in claim 16 is characterized in that, described refrigerant assignment subsystem comprises: the second valve gate cell is used for controlling the transmission of carrying out refrigerant between described control system and described at least one off-premises station.
21. control system as claimed in claim 16 is characterized in that, described control system also comprises detection module;
Described RACS comprises: receiver module, processing module and sending module;
Wherein, described receiver module is used for receiving described the first control instruction;
Described processing module is used for carrying out described the first control instruction, so that described distribution of lubrication oil subsystem and/or described refrigerant assignment subsystem are controlled; Receive the detection information that described detection module sends by described receiver module, and according to the corresponding control instruction of described detection Information generation;
Described sending module is used for corresponding control instruction is sent to the off-premises station of the correspondence of a described M off-premises station.
22. air conditioning control method, described method is applied to air-conditioning system, it is characterized in that, described air-conditioning system comprises M off-premises station, a N indoor set and control system, described control system comprises distribution of lubrication oil subsystem, refrigerant assignment subsystem and RACS, wherein, comprise a separator in the described distribution of lubrication oil subsystem, described separator is used for oil is separated with refrigerant; Said method comprising the steps of:
Receive the first control instruction;
Carry out described the first control instruction, described refrigerant assignment subsystem is controlled, thermal source or low-temperature receiver to described one or more indoor set outputs first value corresponding with described the first control instruction, and described distribution of lubrication oil subsystem is controlled, make in the one or more off-premises stations in described M the off-premises station corresponding with described one or more indoor sets the oil mass in each off-premises station in default oil mass scope.
23. method as claimed in claim 22, it is characterized in that, described the first control instruction is used for controlling one or more indoor set starts, the shutdown of a described N indoor set, or described the first control instruction is for wind direction, rotation speed of the fan, temperature or the setting available machine time of one or more indoor sets of controlling a described N indoor set.
24. method as claimed in claim 22, it is characterized in that, carry out described the first control instruction, described refrigerant assignment subsystem controlled, comprise to the thermal source of described one or more indoor set outputs first value corresponding with described the first control instruction or the step of low-temperature receiver:
Carry out described the first control instruction, start the detection module in the described air-conditioning system, and obtain the one or more oil mass values in one or more off-premises stations in described M the off-premises station that described detection module detects;
The oil mass value of P off-premises station in determining a described M off-premises station generates the second control instruction during greater than the higher limit of described default oil mass scope;
Described the second control instruction is sent to described P corresponding off-premises station, to indicate described P off-premises station to reduce operating frequency, export with the unnecessary oil mass that makes a described P off-premises station will exceed described default oil mass scope, thereby make the oil mass of storing in the described M off-premises station reach balanced; Wherein P is not less than 0 and less than the integer of M.
25. method as claimed in claim 24 is characterized in that, described the second control instruction is being sent to described P corresponding off-premises station, also comprises step afterwards to indicate described P off-premises station to reduce operating frequency:
A described P off-premises station is detected, obtain the first testing result;
Judge according to described the first testing result whether the oil mass in each off-premises station reaches the first default oil mass value in the described P off-premises station;
When the oil mass in the one or more off-premises stations in determining a described P off-premises station reaches the described first default oil mass value, generate the 3rd control instruction, and described the 3rd control instruction sent to corresponding off-premises station, improve operating frequency to indicate corresponding off-premises station.
26. method as claimed in claim 22, it is characterized in that, carry out described the first control instruction, described refrigerant assignment subsystem controlled, comprise to the thermal source of described one or more indoor set outputs first value corresponding with described the first control instruction or the step of low-temperature receiver:
Carry out described the first control instruction, start the detection module in the described air-conditioning system, to obtain the one or more oil mass values in one or more off-premises stations in described M the off-premises station that described detection module detects;
The oil mass value of P off-premises station in determining a described M off-premises station generates the 4th control instruction during less than the lower limit of described default oil mass scope;
Described the 4th control instruction is sent to described P corresponding off-premises station, to indicate described P off-premises station to improve operating frequency, obtain lubricating oil to make in the corresponding off-premises station of a described P off-premises station from M-P off-premises station, thereby make the oil mass of storing in the described M off-premises station reach balanced; Wherein P is not less than 0 and less than the integer of M.
27. method as claimed in claim 26 is characterized in that, described the 4th control instruction is being sent to described P corresponding off-premises station, also comprises step afterwards to indicate described P off-premises station to improve operating frequency:
A described P off-premises station is detected, obtain the first testing result;
Judge according to described the first testing result whether the oil mass in each off-premises station reaches the second default oil mass value in the described P off-premises station;
When the oil mass in the one or more off-premises stations in determining a described P off-premises station reaches the described first default oil mass value, generate the 5th control instruction, and described the 5th control instruction sent to corresponding off-premises station, reduce operating frequency to indicate corresponding off-premises station.
28. method as claimed in claim 22 is characterized in that, also comprises step after receiving the first control instruction:
Carry out described the first control instruction, start the detection module in the described air-conditioning system, and obtain refrigerant content value in described the first off-premises station in described M the off-premises station that described detection module detects and the refrigerant content value in described the second off-premises station;
Refrigerant content value in determining described the first off-premises station generates the 6th control instruction during less than the refrigerant content value in described the second off-premises station;
Carry out described the 6th control instruction, to input the refrigerant of the second value to described the first off-premises station by controlling described refrigerant assignment subsystem, reach refrigerant from the 3rd value to described the second off-premises station that input, wherein said the second value is greater than described the 3rd value.
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