CN103062872B - Household air conditioner integrated control system and starting method thereof - Google Patents
Household air conditioner integrated control system and starting method thereof Download PDFInfo
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- CN103062872B CN103062872B CN201310011472.2A CN201310011472A CN103062872B CN 103062872 B CN103062872 B CN 103062872B CN 201310011472 A CN201310011472 A CN 201310011472A CN 103062872 B CN103062872 B CN 103062872B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000002826 coolant Substances 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000003921 oil Substances 0.000 claims description 116
- 239000003507 refrigerant Substances 0.000 claims description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 11
- 239000010687 lubricating oil Substances 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 abstract description 43
- 230000006872 improvement Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 235000003642 hunger Nutrition 0.000 description 5
- 230000037351 starvation Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000010725 compressor oil Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010729 system oil Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010726 refrigerant oil Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
- F25B31/004—Lubrication oil recirculating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a household air conditioner integrated control system and a starting method thereof which are used for flexibly matching independent air conditioning systems. The household air conditioner integrated control system comprises at least two groups of parallelly connected ports for connecting outdoor units and at least two groups of parallelly connected ports for connecting indoor units, the outdoor units and the indoor units are connected via the ports and pipelines to form a coolant circulating pipeline, a coolant distributor provided with a liquid reservoir, an oil separator and a valve is arranged in the coolant circulating pipeline, an integrated controller is utilized to control and adjust distribution of the outdoor units, the indoor units and the coolant distributor and to control flowing direction of refrigerating and heating coolant, and accordingly a user can optionally combine the outdoor units with the indoor units. The household air conditioner integrated control system can be an independent product, can also be manufactured into a household air conditioner platform with a large expand space, can be widely used in improvement of existing household air conditioners and manufacturing of new products, and has wide application prospect.
Description
Technical field
The present invention relates to domestic air conditioner, particularly a kind of integrated control system of domestic air conditioner and starting method thereof.
Background technology
Air-conditioning, as a kind of matured product, becomes a part for people's life already, meets people to the needs freezed or heat, improves the comfortableness of people's life.But, existing domestic air conditioning is because needing complete purchase, therefore the cost of disposable input is higher.
The air-conditioning of the complete sale of existing family expenses is made up of indoor set, off-premises station and connecting line etc., producer has designed specification before dispatching from the factory, do not allow used in combination, the indoor set as the off-premises station of 1 and 1 supports the use, and can not support the use with the indoor set of 1 and the off-premises station of 3.Independently space can as required and the size in space, configure different existing air-conditioning equipments, such as in bedroom, parlor, dining room can configure independently dissimilar a set of air-conditioning, namely according to the size of the area of refrigeration, buys the air-conditioning equipment of the rated power of different size.
In addition, when environment temperature is higher, consumer wishes can fast-refrigerating, and existing domestic air conditioning but seems due to the restriction of rated power scarce capacity, but air-conditioning operation now still needs to expend more electric energy; When the temperature of the surroundings is low, consumer wishes to heat fast, the scarce capacity and existing domestic air conditioning still seems due to the restriction of rated power, can the operation of air-conditioning but still need to expend more electric energy.Especially work as the dead of night, when the people in parlor enter the rooms such as the bedroom of oneself, study, the air-conditioning that parlor is put also starts normal rest, because not needing to allow it enter duty, otherwise has both wasted the energy, can not arrive due effect.Now, if allow the air-conditioning in parlor play due usefulness, and can being freezed and the ability that heats is transported to bedroom, wouldn't be the waste solving the idle of resource and cause, meeting again the needs of bedroom consumer, can existing domestic air conditioning be do not have this function.
In prior art, although there is dissimilar central air-conditioning, as Large Central Air Conditioning System and small-sized VRV (Varied Refrigerant Volume) central air-conditioning, they are also by arranging off-premises station and the indoor set of varying number, meet the needs having separate space refrigeration and heat.But the capacity of its off-premises station is larger, easily just have tens P, and normal operation generally needs 3 phase power supplys, because its cost is too high, ordinary consumer cannot use at all, and it is mainly used in the large contingents such as large-scale market, hotel, supermarket or heats or the king-sized place of refrigerating capacity demand.In addition, existing VRV technology, although also solve the supporting use of the varying number of many off-premises stations and many indoor sets, but its cost is high, and its capacity is larger, generally have the ability of more than 10P, need 3 phase power supplys during work equally, ordinary consumer (the 220V power supply based on two-phase) makes not use at all.Even if there is the VRV equipment of low capacity, generally only need an off-premises station just passable, it neither product required for ordinary consumer.These central air-conditioning are disposable inputs, after installation is complete, because of the cause by the restriction of its inherent technology, the combination of its indoor set and off-premises station just secures, the combination of indoor set and off-premises station just can not arbitrarily change, even if when the separate space of actual needs increases, it cannot be appended in system by an independent purchase indoor set and use.These central air conditioner systems i.e., once installation, it is not just by again increasing indoor set or off-premises station, and expand its usage space or increase its ability to work, that is: existing central air-conditioning does not inherently have the function of any combination, after air-conditioning equipment installation, just not there is the function of any combination.
Existing domestic air conditioning and existing central air-conditioning have many differences, the capacity of domestic air conditioning is general less, use single phase poaer supply, complete sale, market also has 1 to drag 2 or 1 to drag 3 etc. 1 to drag many air conditioners, use the air-conditioning system that the off-premises station that is made up of a compressor and multiple indoor set form, but the combination of its off-premises station and indoor set is fixing, also be complete sale, but they still can not according to the needs of user, this one drags many air-conditionings can not add arbitrarily indoor set or off-premises station, not there is the function that use in parallel with other off-premises stations equally.Once this one drags many off-premises stations to damage, whole air-conditioning can not use.
Patent No. CN200620147905.2, name are called the utility model patent description of " refrigerator water-heating air conditioner integrated machine ", disclose a kind of refrigerator water-heating air conditioner integrated machine, combined formed by box system, electric-control system, heat-exchange system, be divided into indoor set, off-premises station two large divisions.Wherein, heat-exchange system comprises compressor, reservoir, automatically controlled combination valve, outdoor heat converter, heat exchanger of water heater, heat exchanger of air condition, heat exchanger for refrigerator, solar water heater, circulating pump.This all-in-one only needs a compressor, eliminates freezer compressor and the indoor condenser of refrigerator, reduces room noise.This machine, by refrigerator, water heater, air-conditioner being integrated, reaches energy-conservation and cost-saving and object that is price.But this all-in-one remains a kind of complete autonomous system, when environmental change or user's request change, this all-in-one still can not carry out combination to play its efficiency with other air-conditioning systems.
Patent No. CN94190081.9, name are called the utility model patent description of " chilling unit ", disclose a kind of refrigeration plant, liquid line and gas line are connected respectively to main liquid line and main gas line, obtain to make main outdoor unit and subordinate outdoor unit the setting be connected in parallel to each other.On the gas line extended from subordinate outdoor unit, be provided with a gas throttling valve be fully closed when subordinate outdoor unit is stopped operation during heating operation.On the liquid line extended from subordinate outdoor unit, be provided with a liquid choke valve of being closed completely when being stopped operation from subordinate outdoor unit during cooling down operation and heating operation.Like this, the compression of liquid refrigerant and the deficiency of refrigerant circulation quantity is prevented.But this chilling unit remains a kind of complete autonomous system, when environmental change or user's request change, this all-in-one still can not carry out combination to play its efficiency with other air-conditioning systems.
In addition, existing domestic air conditioning due to capacity relative less, for ensureing its compact conformation, its overall design size space is relatively little, therefore the compressor of its corresponding configuration is also relatively little, such compressor can not store more lubricating oil, when using such compressor to carry out parallel running, there will be a series of problem, namely the Compressor Technology of existing low capacity and air-conditioning technical can not solve the problem of domestic air conditioning parallel running, when compressor parallel because of family expenses low capacity runs, due to pressure divergence, the compressor oil starvation that the existing compressor not arranging oil-balancing system can cause pressure high and damaging, therefore can not it be made normally to run by parallel connection existing domestic air conditioning simply.
The present invention, for solving the problem and producing, both solves resources idle and the waste caused, meets again the reality need of ordinary consumer; Meanwhile, also can save disposable input cost, follow-up all right arbitrarily additional investment.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of can by each independently air-conditioning system carry out the integrated control system of domestic air conditioner supporting flexibly.
The technical solution adopted for the present invention to solve the technical problems is: the integrated control system of domestic air conditioner, comprise at least two groups of at least two in parallel groups for the interface and parallel connection that connect off-premises station for being connected the interface of indoor unit, by interface and pipeline, off-premises station and indoor unit are connected to form medium circulation pipeline, it is characterized in that: comprise Centralized Controller and be arranged on the coolant distributor on refrigerant loop, coolant distributor comprises reservoir, oil eliminator and valve, the bottom of oil eliminator is provided with oil pipe and is connected with reservoir, oil pipe is provided with valve, wherein:
Described coolant distributor is for distributing and control the flow direction and the flow of refrigerant and oil; Wherein, reservoir for separating of with storage refrigerant and oil, oil eliminator is for separating of refrigerant and oil;
Described Centralized Controller is used for controlling indoor unit, off-premises station and coolant distributor and distributing adjustment;
When heating, the flow direction of refrigerant is: off-premises station-oil eliminator-triple valve-indoor unit-off-premises station;
During refrigeration, the flow direction of refrigerant is: off-premises station-indoor unit-triple valve-reservoir-off-premises station.
Above-mentioned triple valve mainly plays commutation, by Centralized Controller indoor unit, off-premises station and coolant distributor controlled and distribute adjustment, refrigerant in medium circulation pipeline and oil are reasonably distributed, and unnecessary refrigerant and oil are stored in reservoir.When the compressor in medium circulation pipeline or in off-premises station lacks refrigerant or oil, Centralized Controller is by adjusting its coolant adding or oil in good time.
As the further improvement to technique scheme, the bottom position of oil eliminator, higher than the top of reservoir, makes the oil be separated in its oil eliminator like this, controls it and the effect of gravity can be relied on when needing to flow in medium circulation pipeline.
As the further improvement to technique scheme, be provided with two fuel level sensors laying respectively at high and low position in oil eliminator, for detecting the height of oil level; Centralized Controller, according to the testing result of fuel level sensor, determines whether input oil in medium circulation pipeline.
As the further improvement to technique scheme, be provided with two liquid level sensors laying respectively at high and low position in reservoir, for detecting the height of oil level or refrigerant liquid level; Centralized Controller, according to the testing result of liquid level sensor, determines whether input oil or refrigerant in medium circulation pipeline.
As the further improvement to technique scheme, described oil pipe is provided with pump, Centralized Controller, according to the height of the oil level of the detection of liquid level sensor in reservoir or refrigerant liquid level, determines whether transferring oil or refrigerant in oil eliminator.
As the further improvement to technique scheme, described oil pipe is provided with two capillaries, each capillary is provided with temperature sensor, Centralized Controller is according to the variations in temperature of temperature sensor measurement, what judge flow in capillary tube is oil or refrigerant, thus the state of valve on control oil pipe.
For technique scheme, indoor unit is any combination of one or more in indoor apparatus of air conditioner, refrigerator, refrigerator-freezer, water heater.
For starting up's method of the integrated control system of above-mentioned domestic air conditioner, it is characterized in that: comprise the following steps:
The first step, user is as required to the indoor unit output order needing running;
Second step, Centralized Controller is according to the payload actuating section of indoor unit or whole off-premises station;
3rd step, opens the inlet end magnetic valve of off-premises station and oil eliminator and keeps the regular hour, to whole off-premises station conveying lubricating oil;
4th step, closes the inlet end magnetic valve of non-start up off-premises station, starts whole off-premises station, keep the off-premises station of unplanned startup to run a period of time;
5th step, closes unplanned startup off-premises station, closes the magnetic valve of giving vent to anger of non-start up off-premises station over time.
The invention has the beneficial effects as follows: the present invention is by arranging the coolant distributor comprising reservoir, oil eliminator and valve in medium circulation pipeline, and by Centralized Controller indoor unit, off-premises station and coolant distributor controlled and distribute adjustment, control the refrigerant flow direction freezing and heat circulation simultaneously, thus make user's independent assortment indoor set and off-premises station become possibility.
The present invention is further designing and developing of carrying out existing air conditioner, and the appearance of the integrated control system of this domestic air conditioner changes existing air-conditioning marketing model and the mode of production up hill and dale, and having broken domestic air conditioning must the limitation of complete sale and production.Even if in the immovable situation of compressor arrangement, the parallel connection of existing domestic air conditioning also can be made to use.
The integrated control system of domestic air conditioner of the present invention have employed a kind of technological means unlike the prior art, change the present situation of the complete sale of existing air-conditioning, consumer can according to oneself reality need, oneself actual purchase ability and the conception of oneself or design, buy different off-premises stations and indoor set type or number of units, fit together after going home and just can meet instructions for use.Meanwhile, consumer also according to additional demand afterwards, can buy different off-premises stations or indoor set again, after going home, again fits together and just can meet instructions for use.If have multiple stage off-premises station, when a certain off-premises station wherein breaks down, by the measure being carried out isolating by the off-premises station of this fault, this faulty equipment temporarily isolates by the technical measures namely turning off its air inlet and air outlet passage, allows other trouble-free off-premises station normally to run; Certainly, other trouble-free off-premises stations also can not run, and after the fault of the off-premises station broken down in system solves, then start to run well.
The integrated control system of domestic air conditioner of the present invention revolutionizes now air-conditioned control method, cashing has the decentralised control of indoor apparatus of air conditioner and off-premises station to be centralized Control, user can select existing indoor set to be connected easily with the integrated control system of off-premises station with domestic air conditioner of the present invention, and manufacturer can also carry out simplified design widely to existing indoor set and off-premises station.The integrated control system of domestic air conditioner of the present invention, not only expand consumer's selectable free degree when buying air-conditioning, and consumer has had oneself to select and the experience of assembling, the thinking set that the whole series also having broken conventional domestic air-conditioning are sold, has expanded the range of application of domestic air conditioning widely.The integrated control system of this domestic air conditioner of the present invention, it can be a kind of independent product, separately for selling, for connecting indoor set and off-premises station, independent assortment indoor set and off-premises station, also can manufacture the domestic air conditioning platform having and expand space more greatly, transformation and the new product manufacture of existing domestic air conditioning can be widely used in, be with a wide range of applications.
Accompanying drawing explanation
Fig. 1 is the structural principle block diagram of the integrated control system of domestic air conditioner of the present invention;
Fig. 2 is the startup controlling party block diagram of the integrated control system of domestic air conditioner of the present invention;
Fig. 3 is the pipeline catenation principle figure of the integrated control system of domestic air conditioner of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in FIG. 1 to 3, the integrated control system of domestic air conditioner of the present invention, comprising at least two groups of at least two in parallel groups for the interface with parallel connection that connect off-premises station 51,52 for being connected the interface of indoor unit 41,42, by interface and pipeline, off-premises station and indoor unit being connected to form medium circulation pipeline.Interface is undertaken turning off by manually-operated gate, plug, magnetic valve etc. or open-minded, is beneficial to the increase and decrease that user carries out off-premises station 51,52 and indoor unit 41,42 as required and connects and come into operation.This integrated control system also comprises Centralized Controller and is arranged on the coolant distributor on refrigerant loop, coolant distributor comprises reservoir 13, oil eliminator 14 and valve, make the oil be separated in its oil eliminator 14, control it to flow into when needs in medium circulation pipeline, such as, realized by the mode of pumping.The bottom of oil eliminator 14 is provided with oil pipe and is connected with reservoir 13, and oil pipe is provided with valve, wherein:
The effect of above-mentioned coolant distributor is the flow direction and flow for distributing and control refrigerant and oil; Wherein, reservoir 13 for separating of with storage refrigerant and oil, oil eliminator 14 is for separating of refrigerant and oil;
Above-mentioned Centralized Controller is used for controlling indoor unit 41,42 and off-premises station 51,52 and coolant distributor and distributing adjustment, by distributing the reasonable distribution and use that regulate and realize refrigerant and oil.Centralized Controller is to refrigerant in coolant distributor and oily control and distribution, can by detecting the air inlet of compressor, the mode of pressure at expulsion, judge whether to lack refrigerant or oil, also can according to indoor unit 41,42, off-premises station 51,52 number of units of opening, carry out comprehensive descision the need of to coolant adding in medium circulation pipeline or to compressor makeup oil in conjunction with the height of liquid level in reservoir 13, oil eliminator 14, other mode can also be adopted to carry out judging and controlling.Whether lacking refrigerant or the whether detection of oil starvation and judgement, is the common practise of this area.
The integrated control system of above-mentioned domestic air conditioner operationally, the effect of collecting and storing unnecessary refrigerant and oil is reached by controlling its refrigerant flow direction, also can coolant adding or oil in time when lacking refrigerant or compressor oil starvation in medium circulation pipeline, thus its each indoor unit 41,42 and off-premises station 51,52 are normally worked, give full play to its usefulness.Its refrigerant flow direction is as follows:
When heating, the flow direction of refrigerant is: off-premises station 51,52-oil eliminator 14-triple valve-indoor unit 41,42-off-premises station 51,52;
During refrigeration, the flow direction of refrigerant is: off-premises station 51,52-indoor unit 41,42-triple valve-reservoir 13-off-premises station 51,52.
Above-mentioned valve is arranged according to the needs of function, as long as meet above function.Valve can adopt check valve, magnetic valve and electric expansion valve, or the combination of above-mentioned three, selecting and combination of its valve, and can arrange based on needs and cost consideration, these are all the common practise of this area.
In such scheme, the bottom position of oil eliminator 14, higher than the top of reservoir 13, makes the oil be separated in its oil eliminator 14, controls it and the effect of gravity can be relied on when needing to flow in medium circulation pipeline.
In order to provide the using state of refrigerant or oil more accurately, foundation is provided for Centralized Controller carries out control to refrigerant with oily flow and the flow direction, two fuel level sensors laying respectively at high and low position are provided with, for detecting the height of oil level in oil eliminator 14; Centralized Controller, according to the testing result of fuel level sensor, determines whether input oil in medium circulation pipeline.
Same reason, in order to provide the using state of refrigerant or oil more accurately, is provided with two liquid level sensors laying respectively at high and low position, for detecting the height of oil level or refrigerant liquid level in reservoir 13; Centralized Controller, according to the testing result of liquid level sensor, determines whether input oil or refrigerant in medium circulation pipeline.
In technique scheme, can arrange pump on described oil pipe, Centralized Controller, according to the height of the oil level of the detection of liquid level sensor in reservoir 13 or refrigerant liquid level, determines whether transferring oil or refrigerant in oil eliminator 14.When the oil level detected in reservoir 13 or liquid level (refrigerant storage capacity) higher time, Centralized Controller control pump open and control corresponding magnetic valve open or close, to oil eliminator 14 transferring oil or refrigerant.
Described oil pipe is provided with two capillaries, each capillary is provided with temperature sensor, the temperature of the capillary that Centralized Controller detects according to temperature sensor and variations in temperature thereof, what judge flow in capillary tube is oil or refrigerant, thus on control oil pipe, valve needs to turn off or open.
In technique scheme, indoor unit 41,42 can be indoor apparatus of air conditioner, and can be also refrigerator, refrigerator-freezer, water heater etc., also can be any combination of one or more in above-mentioned indoor unit.
In technique scheme, the effect of triple valve is commutation, is provided with valve with between the interface being connected indoor unit 41,42.
Above-mentioned triple valve be connected the valve arranged between the interface of indoor unit 41,42 and can adopt electric expansion valve or magnetic valve.
For Fig. 3,10 is casing, Centralized Controller can be placed on wherein.
Indoor unit 41,42, can arrive N.
Off-premises station 51,52, can arrive N.
Coolant distributor comprises magnetic valve, reservoir device 13, oil eliminator 14.
Centralized Controller, according to the order-driven air-conditioning system of consumer, controls indoor unit and off-premises station running according to the calculating of Centralized Controller and controlling functions.
Reservoir 13, for storing refrigerant and unnecessary lubricating oil, is provided with fuel level sensor YW3 and YW4, and this sensor is for judging the height of oil level.
Pump can extract refrigerant and oil respectively, and its operation principle is the height of the oil level according to fuel level sensor YW3 and YW4 detection, and wherein fuel level sensor YW3 and YW4 also can detect the height of refrigerant, transports oil or refrigerant.
Oil eliminator 14 is provided with fuel level sensor YW1 and YW2, its oil pipe connected arranges magnetic valve DC2 and DC3, single-phase valve D1 and D3.
Oil pipe is provided with two capillaries, and which is provided with corresponding temperature sensor W1 and W2.W1 and W2 measures the temperature of capillary.According to inside variations in temperature auxiliary judgment capillary flowing be oil or refrigerant.
Check valve comprises D5, D6, D7, D1, D2, D3, D4, can arrive n as required.
Solenoid valve module comprises DC1, DC2, DC3, DC4, DC5, DC6, can arrive n as required.
Electric expansion valve is P1, P2, P3 or P4, also can replace with magnetic valve.
Pipe joint comprises GX1/GX2/GX3/GX4/GX5/GX6, can arrive n, GC1/GC2/GC3/GC4/GC5/GC6, can arrive n; Wherein these pipe joints can be arranged to magnetic valve as required.
Triple valve flows for the commutation of refrigerant.
When heating, the refrigerant of HTHP is by pipe joint GC1 or GC2, and enter pipeline, now magnetic valve DC1 opens, and check valve D7 stops refrigerant to flow into reservoir 13; Magnetic valve DC5 closes and prevents refrigerant from entering pump.Enter triple valve by check valve D2 and D4 after the refrigerant of HTHP enters oil eliminator 14 separation lubrication oil, wherein check valve D4 can omit as required.Entering indoor unit through expansion valve P1, P2, P3 or P4, entering magnetic valve DC4 after gaseous coolant is condensed and get back to off-premises station.Now, if system oil starvation, just open magnetic valve DC2 to system oil extraction.
During refrigeration, liquid refrigerant enters pipe joint GX1 or GX2, directly by magnetic valve DC4, by after one or more in pipe joint GX3/GX4GX5/GX6, enter indoor unit 41 or 42, carry out evaporating the gaseous state or liquid state mixture that become low-temp low-pressure, enter triple valve in turn, enter reservoir 13 by check valve D5, this reservoir 13 has the ability of separating oil and refrigerant, and refrigerant and oil can be stored, then enter off-premises station by check valve D7.Now, when compressor oil starvation, open magnetic valve DC5 by the testing result of fuel level sensor YW3 or YW4, in pipe-line system, export lubricating oil.
In above-mentioned system, by pump, lubricating oil unnecessary for reservoir 13 is transported to oil eliminator 14, its delivery line is that check valve D6, capillary, magnetic valve DC2 and check valve D1 flow into oil eliminator 14.Certainly, when the lubricating oil of oil eliminator 14 is more, can utilize the effect of gravity, lubricating oil is flowed in system pipeline by magnetic valve DC3, capillary, check valve D3, magnetic valve DC5.
Due to the existence of Centralized Controller, multiple off-premises station and indoor unit can use by independent assortment, do not need to reequip existing off-premises station and indoor set.
The integrated control system of domestic air conditioner of the present invention, when starting up, can be operated by following steps:
The first step, user is as required to the indoor unit output order needing running;
Second step, Centralized Controller is according to the payload actuating section of indoor unit or whole off-premises station 51,52;
3rd step, opens the inlet end magnetic valve of off-premises station 51,52 and oil eliminator 14 and keeps the regular hour, carries lubricating oil to whole off-premises station 51,52;
4th step, closes the inlet end magnetic valve of non-start up off-premises station 51,52, starts whole off-premises station 51,52, keep the off-premises station of unplanned startup to run a period of time;
5th step, closes unplanned startup off-premises station 51,52, closes the magnetic valve of giving vent to anger of non-start up off-premises station 51,52 over time.
By above-mentioned setting up procedure, effective Collection and use refrigerant and oil can being ensured, according to being conducive to equal oil, making its whole system play sufficient usefulness.
Claims (33)
1. the integrated control system of domestic air conditioner, comprise at least two groups in parallel for connecting off-premises station (51, 52) interface and at least two groups in parallel are for being connected indoor unit (41, 42) interface, by interface and pipeline, off-premises station and indoor unit are connected to form medium circulation pipeline, it is characterized in that: comprise Centralized Controller and be arranged on the coolant distributor on refrigerant loop, coolant distributor comprises reservoir (13), oil eliminator (14) and valve, the bottom of oil eliminator (14) is provided with oil pipe and is connected with reservoir (13), oil pipe is provided with valve, wherein:
Described coolant distributor is for distributing and control the flow direction and the flow of refrigerant and oil; Wherein, reservoir (13) for separating of with storage refrigerant and oil, oil eliminator (14) is for separating of refrigerant and oil;
Described Centralized Controller is used for controlling indoor unit (41,42), off-premises station (51,52) and coolant distributor and distributing adjustment;
When heating, the flow direction of refrigerant is: off-premises station (51,52)-oil eliminator (14)-triple valve-indoor unit (41,42)-off-premises station (51,52);
During refrigeration, the flow direction of refrigerant is: off-premises station (51,52)-indoor unit (41,42)-triple valve-reservoir (13)-off-premises station (51,52).
2. the integrated control system of domestic air conditioner as claimed in claim 1, is characterized in that: the bottom position of oil eliminator (14) is higher than the top of reservoir (13).
3. the integrated control system of domestic air conditioner as claimed in claim 1 or 2, is characterized in that: be provided with two fuel level sensors laying respectively at high and low position in oil eliminator (14), for detecting the height of oil level; Centralized Controller, according to the testing result of fuel level sensor, determines whether input oil in medium circulation pipeline.
4. the integrated control system of domestic air conditioner as claimed in claim 3, is characterized in that: be provided with two liquid level sensors laying respectively at high and low position in reservoir (13), for detecting the height of oil level or refrigerant liquid level; Centralized Controller, according to the testing result of liquid level sensor, determines whether input oil or refrigerant in medium circulation pipeline.
5. the integrated control system of domestic air conditioner as claimed in claim 4, it is characterized in that: described oil pipe is provided with pump, the oil level of Centralized Controller according to the detection of reservoir (13) interior liquid level sensor or the height of refrigerant liquid level, determine whether to oil eliminator (14) interior transferring oil or refrigerant.
6. the integrated control system of domestic air conditioner as claimed in claim 1 or 2, is characterized in that: be provided with two liquid level sensors laying respectively at high and low position in reservoir (13), for detecting the height of oil level or refrigerant liquid level; Centralized Controller, according to the testing result of liquid level sensor, determines whether input oil or refrigerant in medium circulation pipeline.
7. the integrated control system of domestic air conditioner as claimed in claim 6, it is characterized in that: described oil pipe is provided with pump, the oil level of Centralized Controller according to the detection of reservoir (13) interior liquid level sensor or the height of refrigerant liquid level, determine whether to oil eliminator (14) interior transferring oil or refrigerant.
8. the integrated control system of domestic air conditioner as claimed in claim 7, it is characterized in that: described oil pipe is provided with two capillaries, each capillary is provided with temperature sensor, Centralized Controller is according to the variations in temperature of temperature sensor measurement, what judge flow in capillary tube is oil or refrigerant, thus the state of valve on control oil pipe.
9. the integrated control system of domestic air conditioner as claimed in claim 1 or 2, is characterized in that: any combination that indoor unit (41,42) is one or more in indoor apparatus of air conditioner, refrigerator, refrigerator-freezer, water heater.
10. the integrated control system of domestic air conditioner as claimed in claim 3, is characterized in that: any combination that indoor unit (41,42) is one or more in indoor apparatus of air conditioner, refrigerator, refrigerator-freezer, water heater.
The integrated control system of 11. domestic air conditioners as claimed in claim 4, is characterized in that: any combination that indoor unit (41,42) is one or more in indoor apparatus of air conditioner, refrigerator, refrigerator-freezer, water heater.
The integrated control system of 12. domestic air conditioners as claimed in claim 5, is characterized in that: any combination that indoor unit (41,42) is one or more in indoor apparatus of air conditioner, refrigerator, refrigerator-freezer, water heater.
The integrated control system of 13. domestic air conditioners as claimed in claim 6, is characterized in that: any combination that indoor unit (41,42) is one or more in indoor apparatus of air conditioner, refrigerator, refrigerator-freezer, water heater.
The integrated control system of 14. domestic air conditioners as claimed in claim 7, is characterized in that: any combination that indoor unit (41,42) is one or more in indoor apparatus of air conditioner, refrigerator, refrigerator-freezer, water heater.
The integrated control system of 15. domestic air conditioners as claimed in claim 8, is characterized in that: any combination that indoor unit (41,42) is one or more in indoor apparatus of air conditioner, refrigerator, refrigerator-freezer, water heater.
16., according to the integrated control system of the domestic air conditioner in claim 1 or 2 described in any one claim, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 17. domestic air conditioners according to claim 3, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 18. domestic air conditioners according to claim 4, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 19. domestic air conditioners according to claim 5, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 20. domestic air conditioners according to claim 6, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 21. domestic air conditioners according to claim 7, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 22. domestic air conditioners according to claim 8, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 23. domestic air conditioners according to claim 9, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 24. domestic air conditioners according to claim 10, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 25. domestic air conditioners according to claim 11, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 26. domestic air conditioners according to claim 12, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 27. domestic air conditioners according to claim 13, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 28. domestic air conditioners according to claim 14, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 29. domestic air conditioners according to claim 15, is characterized in that: described valve comprises check valve and magnetic valve.
The integrated control system of 30. domestic air conditioners as claimed in claim 1, is characterized in that: triple valve is provided with valve with between the interface being connected indoor unit (41,42).
The integrated control system of 31. domestic air conditioners as claimed in claim 30, is characterized in that: described triple valve is electric expansion valve with being connected the valve arranged between the interface of indoor unit (41,42).
The integrated control system of 32. domestic air conditioners as claimed in claim 30, is characterized in that: described triple valve is magnetic valve with being connected the valve arranged between the interface of indoor unit (41,42).
33., for starting up's method of the integrated control system of the domestic air conditioner described in the claims 1 to 32 any one, is characterized in that: comprise the following steps:
The first step, user is as required to the indoor unit output order needing running;
Second step, Centralized Controller is according to the payload actuating section of indoor unit or whole off-premises station (51,52);
3rd step, opens the inlet end magnetic valve of off-premises station (51,52) and oil eliminator (14) and keeps the regular hour, to whole off-premises station (51,52) conveying lubricating oil;
4th step, closes the inlet end magnetic valve of non-start up off-premises station (51,52), starts whole off-premises station (51,52), keep the off-premises station of unplanned startup to run a period of time;
5th step, closes unplanned startup off-premises station (51,52), closes the magnetic valve of giving vent to anger of non-start up off-premises station (51,52) over time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310011472.2A CN103062872B (en) | 2013-01-11 | 2013-01-11 | Household air conditioner integrated control system and starting method thereof |
| PCT/CN2014/070430 WO2014108089A1 (en) | 2013-01-11 | 2014-01-10 | Integrated control system for domestic air conditioner and startup method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310011472.2A CN103062872B (en) | 2013-01-11 | 2013-01-11 | Household air conditioner integrated control system and starting method thereof |
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| Publication Number | Publication Date |
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| CN103062872A CN103062872A (en) | 2013-04-24 |
| CN103062872B true CN103062872B (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310011472.2A Active CN103062872B (en) | 2013-01-11 | 2013-01-11 | Household air conditioner integrated control system and starting method thereof |
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| Country | Link |
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| CN (1) | CN103062872B (en) |
| WO (1) | WO2014108089A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103062872B (en) * | 2013-01-11 | 2015-06-17 | 四川长虹电器股份有限公司 | Household air conditioner integrated control system and starting method thereof |
| CN106642450B (en) * | 2016-11-10 | 2019-01-04 | 珠海格力电器股份有限公司 | Multi-split refrigerant balance system and multi-split air conditioner |
| CN107036186A (en) * | 2017-04-18 | 2017-08-11 | 海信（山东）空调有限公司 | A kind of domestic air conditioner system |
| CN109253523A (en) * | 2018-09-27 | 2019-01-22 | 四川长虹电器股份有限公司 | A kind of domestic air conditioning integrated system, intelligence control system and control method |
| CN111274634B (en) * | 2020-01-19 | 2023-06-13 | 杭州群核信息技术有限公司 | Self-adaptive air conditioner pipeline generation and adjustment system and method |
| CN114659305B (en) * | 2022-03-25 | 2024-03-19 | 青岛海尔空调器有限总公司 | Control methods, control systems, electronic equipment and media for air conditioning refrigerant circulation |
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| CN101907371B (en) * | 2010-07-01 | 2011-12-14 | 大连三洋压缩机有限公司 | Air-condition freezing and refrigeration system device |
| CN103062872B (en) * | 2013-01-11 | 2015-06-17 | 四川长虹电器股份有限公司 | Household air conditioner integrated control system and starting method thereof |
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2013
- 2013-01-11 CN CN201310011472.2A patent/CN103062872B/en active Active
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| JP2001324235A (en) * | 2000-05-19 | 2001-11-22 | Fujitsu General Ltd | Air conditioner |
| KR100550527B1 (en) * | 2003-01-24 | 2006-02-10 | 엘지전자 주식회사 | Air conditioner and its driving control method |
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|---|---|
| WO2014108089A1 (en) | 2014-07-17 |
| CN103062872A (en) | 2013-04-24 |
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