CN1955597A - Method and device for dissolving partial overload in air conditioner - Google Patents
Method and device for dissolving partial overload in air conditioner Download PDFInfo
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- CN1955597A CN1955597A CNA2006101425678A CN200610142567A CN1955597A CN 1955597 A CN1955597 A CN 1955597A CN A2006101425678 A CNA2006101425678 A CN A2006101425678A CN 200610142567 A CN200610142567 A CN 200610142567A CN 1955597 A CN1955597 A CN 1955597A
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- indoor set
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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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- 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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
- F25B2400/0751—Details of compressors or related parts with parallel compressors the compressors having different capacities
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2104—Temperatures of an indoor room or compartment
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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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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- 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)
- Human Computer Interaction (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A method and device for removing a partial overload in an air conditioner, includes determining whether a plurality of indoor units provided in the air conditioner includes at least one indoor unit operating in an overload state; and performing a partial overload operation to increase the amount of a refrigerant introduced into a corresponding evaporator of the at least one indoor unit when the at least one indoor unit is operating in the overload state.
Description
Technical field
The present invention relates to a kind of method and apparatus that is used for eliminating the part overload of air-conditioning.
Background technology
Usually, air-conditioning carries out heat exchange from room suction hot-air and at evaporimeter in its cooling cycle system.Then, air-conditioning enters the room with the cold air that heat exchange produced.Air-conditioning repeats the above-mentioned processing room that freezes.
Typically, described cooling cycle system comprises the closed-loop path, and it has compressor, condenser, expansion gear (expansion device) and evaporimeter.
The gaseous refrigerant of compressor compresses low-temp low-pressure, and be converted into the gaseous refrigerant of HTHP.To be converted to the liquid refrigerant of HTHP then by gaseous refrigerant condensation in condenser of the HTHP after the compressor conversion.
The liquid refrigerant of condensed HTHP expands in expansion gear in condenser, is converted to the liquid refrigerant of low-temp low-pressure then.The liquid refrigerant of the low-temp low-pressure after will expanding in expansion gear carries out heat exchange with room air in evaporimeter, evaporate and be converted to the gaseous refrigerant of low-temp low-pressure then.
To in compressor, be converted to the gaseous refrigerant of HTHP by the gaseous refrigerant of the low-temp low-pressure that heat exchange produced in the evaporimeter once more.
In other words, comprise that the cooling cycle system of the closed-loop path of being made up of compressor, condenser, expansion gear and evaporimeter repeatedly carries out compression, condensation, expansion and the evaporation of cold-producing medium.Cooling cycle system is realized the heat exchange of the cold-producing medium in room air and the evaporimeter with the generation cold air, thereby then the cold air that is produced is entered this room that freezes, room.
In the air-conditioning of the above-mentioned cooling cycle system of operation, the parts (for example compressor and condenser) that produce more noise and heat are arranged in the off-premises station usually.
On the contrary, expansion gear and the evaporimeter that produces noise hardly and produce cold air is arranged in the indoor set.Indoor set and off-premises station are connected to each other by pipeline.
In recent years, in order to increase the refrigeration capacity of air-conditioning, compound air conditioner becomes more and more popular, and off-premises station comprises two or more compressors in this compound air conditioner, and a plurality of indoor set is connected to an off-premises station with a plurality of rooms that freeze.
In having the compound air conditioner of a plurality of indoor sets, the cooling load that can occur being equipped with in the room of specific indoor set is increased to the situation of overload, and the cooling load that is equipped with in other room of other indoor set do not increase, and promptly only keeps constant level.
In this case, if operation of air conditioner is under the room temperature that each indoor set detected, then be installed in the refrigeration capacity decline of the indoor set in the room that cooling load increases, and thereby the refrigeration capacity increase that is installed in the indoor set in the constant room of cooling load causes this room excessively to freeze, and makes the user may feel cold.
Therefore, in having the air-conditioning of a plurality of indoor sets, need correct the detection causing being in the indoor set that moves under the overload, and only be increased in the refrigeration capacity of the indoor set of operation under the overload owing to the cooling load increase, thus can the corresponding room of fast-refrigerating.
Summary of the invention
The purpose of this invention is to provide a kind of method that is used for eliminating the part overload of air-conditioning, the correct detection from a plurality of indoor sets wherein because the cooling load increase causes first indoor set that moves under overload, and increase the refrigeration capacity of the indoor set detected, thereby the indoor set of winning can be moved in short time interval under the normal duty state.
In the present invention who is used for realizing above-mentioned purpose, utilize the indoor air temperature in the room that each indoor set is installed to change first indoor set that moves under overload because cooling load increases in a plurality of indoor sets that detect in being arranged at compound air conditioner.
For this reason, in the present invention, in each indoor set in described a plurality of indoor sets temperature sensor is set, with air temperature variations in the sensing chamber.Change based on the indoor air temperature that is detected, detect first indoor set that under overload, moves.
In some cases, although first indoor set has the cooling load of increase and therefore is in overload, this overload does not continue and only is temporary transient maintenance.
Thereby, the present invention includes the overload of determining first indoor set and whether continue to surpass scheduled time slot.If the overload of first indoor set continues to surpass scheduled time slot, determine finally that then this indoor set is under the overload.
If final definite only first indoor set is under the overload and a plurality of second indoor set is not under the overload, then increase the refrigerant amount that imports in first indoor set that is under the overload, to increase the refrigeration capacity of first indoor set.
Herein, thus the flow velocity control that the present invention adopts expansion gear such as linear expansion valve to control cold-producing medium imports the refrigerant amount in the specific indoor set.
When importing was in the refrigerant amount increase of first indoor set under the overload, the refrigerant amount that imports in each indoor set in a plurality of second indoor sets with constant cooling load reduced.Therefore, the situation that has the refrigeration capacity reduction of described a plurality of second indoor sets.
Therefore, be provided with under the situation of a plurality of compressors, the present invention determines the current running status of described a plurality of compressors.If determining described a plurality of compressors not with the operation of maximum compression capacity, then controls with the refrigerant amount in increase importing first indoor set and the compression volume of described a plurality of compressors.
Therefore, according to the present invention, under the situation of the refrigeration capacity that does not reduce a plurality of second indoor sets with constant cooling load, only increase the refrigerant amount that imports in first indoor set that is under the overload, increasing the refrigeration capacity of first indoor set, thereby the room of first indoor set can fast-refrigerating be installed.
Description of drawings
Below in the mode of the limiting examples of the preferred embodiment of the present invention, with reference to shown in a plurality of accompanying drawings at length further specify the present invention, in the accompanying drawings with the similar similar unit of label representative, in the accompanying drawing:
Fig. 1 illustrates employing to eliminate the local configuration diagram of crossing the compound air conditioner of support method according to the present invention;
Fig. 2 illustrates employing to eliminate the local control block diagram of crossing the air-conditioning of support method according to the present invention; And
Fig. 3 illustrates the flow chart that is used to eliminate local method of transshipping according to of the present invention.
The specific embodiment
Here the instantiation that illustrates is the mode with example, and purpose only is the explanation that the embodiment of the invention is shown, and is for the explanation that is considered to the most useful and helps to understand in principle of the present invention and the notion aspect is provided.Therefore, only illustrate for the necessary description of the understanding of basic principle of the present invention, and do not attempt to illustrate CONSTRUCTED SPECIFICATION of the present invention in more detailed mode, and those skilled in the art just can know with reference to the following explanation of accompanying drawing research how the present invention can realize in practice in many ways.
Fig. 1 illustrates employing to eliminate the local configuration diagram of crossing the compound air conditioner of support method according to the present invention.Here, label " 100 " expression is used to supply the gatherer of the gaseous refrigerant of low-temp low-pressure, and label " 110 " and " 120 " represent to be used for being converted to by the low-temp low-pressure gaseous refrigerant that gatherer 100 is supplied first and second compressors of high temperature and high pressure gaseous refrigerant respectively.
For example, what the compression volume of first compressor 110 can be for system's total compression capacity is about 60%, and the compression volume of second compressor 120 can be about 40% of this total compression capacity.
Label " 112 " and " 122 " represent to be used to the back-flow preventer that prevents that high temperature and high pressure gaseous refrigerant from flowing backward respectively, and wherein said high temperature and high pressure gaseous refrigerant can be by being obtained by first compressor 110 and second compressor, 120 compression low-temp low-pressure gaseous refrigerants.
For example, check-valves can be used as back-flow preventer 112,122, flows backward to prevent cold-producing medium.
Label " 130 " expression condenser.Condenser 130 can be condensed into the liquid cold-producing medium of HTHP by the high temperature and high pressure gaseous refrigerant that is obtained by first compressor 110 and 120 compressions of second compressor.
Label " 140a ", " 140b " ... represent a plurality of expansion gears.Described a plurality of expansion gear 140a, 140b ... in each make that the liquid cold-producing medium of the HTHP of condensation expands in condenser 130, thereby be converted into the low-temp low-pressure liquid refrigerant.Preferably, described a plurality of expansion gear can be linear expansion valve.
In above-mentioned air-conditioning, under the situation of first compressor 110 or 120 operations of second compressor, the low-temp low-pressure gaseous refrigerant that can be stored in the gatherer 100 imports first compressor 110 or second compressor 120, and therein with this cold-producing medium boil down to high temperature and high pressure gaseous refrigerant.
Here, gatherer 100 plays the effect to the infringement of first compressor 110 and second compressor 120 that causes in the compressor owing to the low-temp low-pressure liquid refrigerant is imported of preventing.
High temperature and high pressure gaseous refrigerant by first compressor 110 and 120 compressions of second compressor can import condenser 130 by back-flow preventer 112,122.
Described low-temp low-pressure liquid refrigerant can be at each evaporimeter 150a, 150b ... in carry out heat exchange with room air, be converted to the low-temp low-pressure gaseous refrigerant then, thereby and will enter this room that can freeze in the room by the cold air that described heat exchange produces.
At each evaporimeter 150a, 150b ... the low-temp low-pressure gaseous refrigerant of middle evaporation can be collected in the gatherer 100, and collected low-temp low-pressure gaseous refrigerant is compressed once more by first compressor 110 and second compressor 120, becomes high temperature and high pressure gaseous refrigerant.The circulation of this cold-producing medium can repeat.
Fig. 2 illustrates employing to eliminate the local control block diagram of crossing the air-conditioning of support method according to the present invention.Among Fig. 2, label " 200 " expression user input unit is operated inputting user command by described user input unit according to the user, for example to the action command or the control command of air-conditioning.Label 210 expression temperature detecting units.
Temperature sensor (not shown) such as thermostat is set in can each indoor set in a plurality of indoor sets, and temperature detecting unit 210 utilizes the detection signal of this temperature sensor to detect the temperature in the room that each indoor set is installed.In addition, the temperature under the overload for the treatment of to be detected by this temperature sensor can be preset temperature.Therefore, when temperature was higher than preset temperature, this temperature sensor can detect overload.
In addition, control module 220 determines based on the detection signal of temperature detecting unit 210 whether corresponding indoor set is in overload, and controls the operation of air-conditioning according to the definite result who whether this indoor set is in overload.
In addition, detection signal based on temperature detecting unit 210, control module 220 detects first indoor set (for example, at least one in a plurality of indoor sets) that cooling load is in overload, and the operation of controlling air-conditioning then is to eliminate the overload of described first indoor set effectively.
In having the air-conditioning of said structure, if be used to move the order of air-conditioning through user input unit 200 (by user's operation) input, then control module 220 is used to move the order control driven compressor unit 230 of air-conditioning to drive first compressor 110 or second compressor 120 according to described, and control expansion gear driver element 240 is adjusted expansion gear 140a, 140b ... the opening/closing amount, thereby carry out the refrigerating operaton of air-conditioning.
In addition, based on the detection signal of temperature detecting unit 210, control module 220 determines whether to exist in the indoor set (that is first indoor set) that moves under the overload in a plurality of indoor sets.
For example, suppose that first indoor set that evaporimeter 150a wherein is installed moves under overload.
If determining first indoor set that evaporimeter 150a wherein is installed moves under overload, then control module 220 determines whether the overload of described first indoor sets continues to surpass scheduled time slot (that is, whether at least one indoor set period of being in overload is longer than predetermined (or default) period).Move under overload above scheduled time slot if determine described first indoor set, then control module determines whether a plurality of second indoor sets (for example, another indoor set at least in described a plurality of indoor set) also move under overload.
If determine that first indoor set, first indoor set that do not move moves but this overload continues to surpass scheduled time slot or a plurality of second indoor sets except that first indoor set also move (be control module 220 identify a plurality of indoor sets move) under overload under overload under overload under overload, control module 220 is according to the operation of the temperature that the room of each indoor set is installed (this temperature is detected by temperature detecting unit 210) control air-conditioning, so that air-conditioning can move under normal condition.
If moving under overload above scheduled time slot and a plurality of second indoor set, definite first indoor set under overload, do not move, then control module 220 only identifies that first indoor set moves under overload, determines the current running status of first compressor 110 and second compressor 120 then.
Under promptly complete (100%) running status of all first and second compressors, 110,120 current all operations, control module 220 control expansion gear driver elements 240 import refrigerant amount among the evaporimeter 150a that is in first indoor set under the overload to increase through expansion gear 140a.
If only part first and second compressors 110,120 operations, then control module 220 control driven compressor unit 230 are to increase refrigerant compression capacity.In other words, if only its refrigerant compression capacity is about 40% second compressor, 120 current operations of the total refrigerant compression capacity of system, then control module 220 stop the operation of this second compressor 120 and drive its refrigerant compression capacity for about 60% first compressor 110 of this total refrigerant compression capacity to increase refrigerant compression capacity.If only its refrigerant compression capacity is about 60% first compressor, 110 current operations of the total refrigerant compression capacity of system, then control module 220 makes all first and second compressors, 110,120 operations so that refrigerant compression capacity is increased to 100%.
After increasing refrigerant compression capacity by the operation of controlling first and second compressors 110,120, control module 220 control expansion gear driver elements 240 are to increase the refrigerant amount that imports the evaporimeter 150a of first indoor set through expansion gear 140a.
In this state, control module 220 determines according to the temperature that the room of first indoor set wherein is installed (this temperature is detected by temperature detecting unit 210) whether the overload of first indoor set is eliminated.Also do not eliminate if determine the overload of first indoor set, then control module 220 increases the refrigerant amount that imports the first evaporimeter 150a in the processing whether overload of repeatedly determining first indoor set has been eliminated.
If determining the overload of first indoor set eliminates, then control module 220 stops to be in the operation of the air-conditioning under the local overload, control the operation of air-conditioning then according to the temperature that each room of indoor set wherein is installed (this temperature is detected by temperature detecting unit 210), so that air-conditioning can move under normal condition.
Fig. 3 illustrates the flow chart that is used to eliminate local method of transshipping according to of the present invention.With reference to Fig. 3, when at step S300, for example when user input unit 200 (it can be operated by the user) input is used to move the order of air-conditioning, at step S302, control module 220 air-conditioning that brings into operation.In other words, control module 220 moves the order control driven compressor unit 230 of air-conditioning to drive first compressor 110 or second compressor 120 according to being used to, and control expansion gear driver element 240 is to adjust expansion gear 140a, 140b ... the opening/closing amount, thereby carry out the refrigerating operaton of air-conditioning.
And then, at step S304, according to the output signal of temperature detecting unit 210, control module 220 identifies the temperature in the room that each indoor set is installed, and, determine whether to exist in first indoor set of operation under the overload according to the room temperature of being discerned at step S306.
If determine that first indoor set moves under overload, then at step S308, control module 220 determines whether described first indoor set moves above scheduled time slot under overload.
If determine that this overload continues to surpass scheduled time slot, then at step S310, control module 220 determines whether that a plurality of second indoor sets also transship.In other words, control module 220 determines whether that other indoor set except that first indoor set also transships.
If determining first indoor set that moves under overload, the overload of first indoor set continues also to move (promptly under overload above scheduled time slot or a plurality of second indoor sets except that first indoor set, control module 220 identifies air-conditioning integral body and moves under overload), at step S324, control module 220 is according to the operation of the temperature that the room of each indoor set is installed (this temperature is detected by temperature detecting unit 210) control air-conditioning, so that air-conditioning can move under normal condition.
If definite first indoor set moves under overload above scheduled time slot and a plurality of second indoor set do not move under overload, then at step S312, control module 220 determines that air-conditionings move under local overload.
Then, at step S314, control module 220 determines whether air-conditioning moves under for the national games capable state that all first and second compressors 110,120 all move.In other words, control module 220 determines whether that refrigerant compression capacity is 60% first compressor 110 of the total refrigerant compression capacity of system and refrigerant compression capacity and all moves for 40% second compressor 120 of this total refrigerant compression capacity of system under the controlled state in driven compressor unit 230.
Move under promptly complete (100%) running status of all first and second compressors, 110,120 current operations if determine air-conditioning, then at step S316, control module 220 increases the refrigerant amount of the evaporimeter 150a of first indoor set to be imported.In other words, control module 220 is controlled expansion gear driver elements 240 and is imported the refrigerant amount of evaporimeter 150a with increase through expansion gear 140a, thereby improves the refrigeration capacity of first indoor set.
If determine only part first and second compressors 110,120 operations, then at step S318, control module 220 control driven compressor unit 230 are to increase refrigerant compression capacity.
In other words, if only refrigerant compression capacity for example is about 40% second compressor, 120 current operations of the total refrigerant compression capacity of system, then control module 220 stop the operation of second compressor 120 and drive refrigerant compression capacity for 60% first compressor 110 of this total refrigerant compression capacity to increase refrigerant compression capacity.On the contrary, if only refrigerant compression capacity for example is about about 60% first compressor, 110 current operations of the total refrigerant compression capacity of system, then control module 220 makes all first and second compressors, 110,120 operations so that refrigerant compression capacity is increased to 100%.
After increasing refrigerant compression capacity by the operation of controlling first and second compressors 110,120, at step S320, control module 220 control expansion gear driver elements 240 are to increase the refrigerant amount that imports the evaporimeter 150a of first indoor set through expansion gear 140a.
In this state, at step S322, control module 220 determines according to the detection signal of temperature detecting unit 210 whether the overload of first indoor set is eliminated.
Also eliminate if determine the overload of first indoor set, then control module 220 returns step S314 repeatedly increases the processing of the refrigerant amount that imports the first evaporimeter 150a and determines the processing whether overload of first indoor set has been eliminated.
If determine the overload of first indoor set eliminates at step S322, then control module 220 stops to be in the operation of the air-conditioning under the local overload, then at step S324, according to temperature (this temperature is detected by temperature detecting unit 210) the control air-conditioning in the room that each indoor set is installed, so that air-conditioning moves under normal condition.
According to the present invention, the temperature of room air can be detected by the temperature sensor that for example is installed in each indoor set, and can detect because the cooling load increase causes first indoor set that moves under overload based on the indoor air temperature that is detected.Then, can increase the refrigeration capacity of the first detected indoor set, thereby eliminate the overload of first indoor set by increasing the refrigerant amount in the evaporimeter that imports first indoor set.
If a plurality of compressors are set, then can increase the refrigerant amount in the evaporimeter that imports first indoor set, thereby for example increase the refrigerant compression capacity of each compressor simultaneously.Thereby, under the situation of the refrigeration capacity that does not reduce by the second constant indoor set of cooling load maintenance, by only increasing the refrigerant amount of first indoor set that imports the cooling load increase, just can the room of first indoor set be installed fast-refrigerating, thereby can eliminate overload.
What draw attention to once more is that the previous examples that is provided is the purpose for explaining only, and must not be interpreted as limitation of the present invention.Although the present invention has been described with reference to preferred embodiment, should be appreciated that used vocabulary is the glossary of explanation and example here, and unrestricted vocabulary.In the scope of the described claim of current statement and modification, under situation about not departing from the scope of the present invention with spirit, can carry out multiple change.Although the present invention has been described with reference to specific device, material and embodiment, but can not think that the present invention only limits to certain content disclosed herein, on the contrary, the present invention extends to equivalent configurations on all functions, method and purposes, and these all fall in the scope of claims.
Claims (20)
1. method that is used for eliminating the part overload of air-conditioning may further comprise the steps:
Whether a plurality of indoor sets of determining to be arranged in the air-conditioning are included at least one indoor set that moves under the overload; And
If determine that at least one indoor set moves under overload, then carry out the part overload and eliminate operation, in order to increase the refrigerant amount of the corresponding evaporator that imports described at least one indoor set.
2. the method for claim 1, further comprising the steps of:
Utilization is arranged on the detection signal of the temperature sensor in each indoor set in a plurality of indoor sets, detects at least one indoor set that moves under overload.
3. the method for claim 1, wherein said local overload is eliminated operation and be may further comprise the steps:
Whether the overload of determining described at least one indoor set continues to surpass scheduled time slot;
Determine whether described a plurality of indoor set is included in another indoor set at least of operation under the normal duty state; And
If determine that the overload of described at least one indoor set continues to surpass scheduled time slot and described another indoor set at least moves under the normal duty state, then increase the refrigerant amount of the corresponding evaporator that imports described at least one indoor set.
4. method as claimed in claim 3, further comprising the steps of:
Do not continue to surpass scheduled time slot if determine the overload of described at least one indoor set, perhaps described at least one indoor set and described another indoor set at least all move under overload, then control the operation of air-conditioning based on the indoor air temperature that is detected by described at least one indoor set and described another indoor set at least.
5. method as claimed in claim 3, wherein said another indoor set at least is a plurality of indoor sets.
6. the method for claim 1, the increase that wherein imports the refrigerant amount in the evaporimeter of described at least one indoor set also relates to the increase of the refrigerant compression capacity of compressor.
7. method as claimed in claim 6, a plurality of compressors wherein are set, by determining refrigerant compression capacity according to the operation of at least one compressor of working as front wheel driving in a plurality of compressors, and according to the described compressor of determined selective operation as a result, thereby increase described refrigerant compression capacity.
8. the method for claim 1 wherein is arranged at the expansion gear of refrigerant inlet side of the evaporimeter of described at least one indoor set by control, increase the refrigerant amount in the evaporimeter that imports described at least one indoor set.
9. method as claimed in claim 8, wherein said expansion gear are linear expansion valve.
10. the method for claim 1, further comprising the steps of:
If described a plurality of indoor set moves under normal condition, then based on the operation of controlling described air-conditioning by the indoor air temperature that each indoor set detected in described a plurality of indoor sets.
11. an equipment that is used for eliminating the part overload of air-conditioning comprises:
Controller, whether its a plurality of indoor sets of determining to be arranged in the air-conditioning are included at least one indoor set that moves under the overload,
Wherein when at least one indoor set moved under overload, described controller carried out the part overload and eliminates operation, in order to increase the refrigerant amount of the corresponding evaporator that imports described at least one indoor set.
12. equipment as claimed in claim 11 also comprises:
Temperature sensor, it is arranged in each indoor set in described a plurality of indoor set, and described temperature sensor detects the overload of at least one indoor set that moves under overload.
13. equipment as claimed in claim 11, wherein said controller determine whether the period that described at least one indoor set is in overload be longer than scheduled time slot, and
Wherein said controller determines whether described a plurality of indoor set is included in another indoor set at least of operation under the normal duty state; And
Wherein when the period that described at least one indoor set is in overload is longer than scheduled time slot and described another indoor set at least and moves under the normal duty state, described controller carries out described local overload and eliminates operation, in order to increase the refrigerant amount of the corresponding evaporator that imports described at least one indoor set.
14. equipment as claimed in claim 13, wherein when the sustained periods of time of the overload of described at least one indoor set was all moved under overload less than scheduled time slot or described at least one indoor set and described another indoor set at least, described controller was based on the operation of the indoor air temperature control air-conditioning that is detected by described at least one indoor set and described another indoor set at least.
15. equipment as claimed in claim 11 wherein stops at least one compressor in a plurality of compressors, the compressor that stops to have the compression volume less than at least one compressor in all the other compressors; And
Wherein drive at least one compressor in all the other compressors, to increase the refrigerant amount that imports corresponding evaporator, institute's compressor driven has the compression volume greater than the described compressor that stops.
16. equipment as claimed in claim 11 wherein starts a plurality of compressors so that the compression volume of increase to be provided.
17. equipment as claimed in claim 11, wherein the refrigerant inlet side at described evaporimeter is provided with expansion gear, to increase the refrigerant amount that imports described evaporimeter.
18. equipment as claimed in claim 17, wherein said expansion gear are linear expansion valve.
19. equipment as claimed in claim 11, wherein said another indoor set at least is a plurality of indoor sets.
20. equipment as claimed in claim 11, wherein when described a plurality of indoor sets moved under normal condition, described controller was based on the operation by the control of the indoor air temperature that each indoor set detected in described a plurality of indoor sets air-conditioning.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050102165A KR100705223B1 (en) | 2005-10-28 | 2005-10-28 | Method for dissolving partial overload in air conditioner |
| KR1020050102165 | 2005-10-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1955597A true CN1955597A (en) | 2007-05-02 |
| CN100549546C CN100549546C (en) | 2009-10-14 |
Family
ID=37965242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101425678A Expired - Fee Related CN100549546C (en) | 2005-10-28 | 2006-10-30 | Be used for eliminating the method and apparatus of the part overload of air-conditioning |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20070095083A1 (en) |
| JP (1) | JP2007120938A (en) |
| KR (1) | KR100705223B1 (en) |
| CN (1) | CN100549546C (en) |
| CA (1) | CA2565856A1 (en) |
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| CN111692699A (en) * | 2020-06-28 | 2020-09-22 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
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| JP5780280B2 (en) * | 2013-09-30 | 2015-09-16 | ダイキン工業株式会社 | Air conditioning system and control method thereof |
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-
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- 2006-10-27 JP JP2006292552A patent/JP2007120938A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111692699A (en) * | 2020-06-28 | 2020-09-22 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007120938A (en) | 2007-05-17 |
| US20070095083A1 (en) | 2007-05-03 |
| KR100705223B1 (en) | 2007-04-06 |
| CN100549546C (en) | 2009-10-14 |
| CA2565856A1 (en) | 2007-04-28 |
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