CN110023695A - The control program of the control device of conditioner, conditioner, the control method of conditioner and conditioner - Google Patents
The control program of the control device of conditioner, conditioner, the control method of conditioner and conditioner Download PDFInfo
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- CN110023695A CN110023695A CN201880004633.6A CN201880004633A CN110023695A CN 110023695 A CN110023695 A CN 110023695A CN 201880004633 A CN201880004633 A CN 201880004633A CN 110023695 A CN110023695 A CN 110023695A
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- outdoor unit
- defrost
- parameter
- target flow
- conditioner
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Classifications
-
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/60—Arrangement or mounting of the outdoor unit
- F24F1/68—Arrangement of multiple separate outdoor units
-
- 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
- F24F11/41—Defrosting; Preventing freezing
-
- 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
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
-
- 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
-
- 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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- 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
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
- F25B6/02—Compression machines, plants or systems, with several condenser circuits arranged in parallel
-
- 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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/047—Water-cooled condensers
-
- 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
- F25B2700/15—Power, e.g. by voltage or current
-
- 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
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1933—Suction pressures
-
- 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
- F25B2700/2117—Temperatures of an evaporator
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)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air Conditioning Control Device (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
A kind of control device of conditioner (50), wherein, the conditioner has: multiple outdoor units, comprising: carries out the water heat exchanger that cooling makes the air heat exchanger of its condensation liquefaction and carries out heat exchange with refrigerant and water to by the refrigerant after compressor compresses by air；And multiple pumps, it is arranged in correspondence with the outdoor unit, water is sent to each outdoor unit with respective target flow, the control device (50) of the conditioner has: defrost sensing component (51), and whether sensing outdoor unit becomes defrost operating；Defrost frequency measures component (52), measures the defrost operating frequency of each outdoor unit；And target flow allocation component (53) when heating, in heating operating, the defrost operating frequency based on each outdoor unit distributes respective target flow to each outdoor unit.
Description
Technical field
The present invention relates to the controls of a kind of control device of conditioner, conditioner, conditioner
The control program of method and conditioner.
Background technique
In the case where having more outdoor units in conditioner, carried out generally according to operational situation outdoor single
The unit number control of member.The unit number control of outdoor unit is for example according to the set water temperature of external load and the return water to outdoor unit
Ability needed for the difference and flowmeter of water temperature calculate, and controlled by the ratio between ability with outdoor unit.
In the case where such unit number control, it can be operated with each outdoor unit with same capabilities and same efficiency
Premised on, in the case where becoming sub-load, the flow (ability) to each outdoor unit is instructed equably to be distributed, in addition,
In the case where stopping outdoor unit, arbitrary outdoor unit is selected and unrelated with setting position etc..
Therefore, implementation to the operating in view of setting position etc. setting environment, the efficiency in view of each outdoor unit
The implementation of operating is studied.For example, in patent document 1, disclosing: based on wind informations, outdoor such as wind direction and wind speed
Mount message of unit etc. determines the sequence of operation of outdoor unit.In addition, in patent document 2, disclosing: being needed receiving
The recurrent state of more each refrigeration cycle when (demand) being asked to instruct, makes that power consumption is maximum, refrigeration cycle stopping of recurrent state difference.
Existing technical literature
Patent document
Patent document 1: No. 5972018 bulletins of Japanese Patent No.
Patent document 2: Japanese Unexamined Patent Publication 2003-185218 bulletin
Summary of the invention
Problems to be solved by the invention
However, in an invention disclosed in the above Patent Document 1, there are the following problems: in order to obtain wind information, it is necessary to new
Aerovane is set.Aerovane can correspondingly spend cost, and the data volume swapped with control device increases.
Additionally, there are following problems: the installation environment of outdoor unit may be due tos establishing new building etc. from installation
It changed originally, but such case can not be coped with.It is changed such as wind direction, wind speed, snowfall, sunshine condition as a result,
Mount message originally becomes not utilizing.Moreover, needing to set the position etc. of each outdoor unit, operator in test running
Operating burden be required.
In addition, in an invention disclosed in the above Patent Document 2, there are the following problems: due to keeping recurrent state worst
Refrigeration cycle stops, and therefore, the refrigeration cycle of the frequency for that can increase and decrease compressor by frequency converter does not become and operating
The fine control that situation is consistent.In addition, inventor etc. obtains following opinion: for compressor can be increased and decreased by frequency converter
For the refrigeration cycle of frequency, compared with stopping it, reduces the frequency of compressor and the efficiency to remain in operation is more preferable.
The present invention has been made in view of such circumstances, a kind of carries out examining for each outdoor unit it is intended that providing
Consider control device, the air conditioning dress of conditioner of the unit number control of operational situation etc. without new equipment is arranged
It sets, the control program of the control method of conditioner and conditioner.
Technical solution
To solve the above-mentioned problems, the control device of conditioner of the invention, conditioner, air conditioning
The control method of device and the control program of conditioner use following scheme.
The control device of first scheme of the invention is a kind of control device of conditioner, wherein the air
Regulating device has: multiple outdoor units, comprising: by air to by the refrigerant after compressor compresses carry out cooling make it
The air heat exchanger of condensation liquefaction and the water heat exchanger that heat exchange is carried out with the refrigerant and water；And multiple pumps,
It is arranged in correspondence with the outdoor unit, the water is sent to each outdoor unit, the sky with respective target flow
The control device of gas control device has: defrost sensing component, senses whether the outdoor unit becomes defrost operating；Defrost
Frequency measures component, measures the defrost operating frequency of each outdoor unit；And target flow allocation component when heating, adding
In heat run, the defrost operating frequency based on each outdoor unit distributes respective institute to each outdoor unit
State target flow.
According to this programme, in heating operating, whether sensing outdoor unit becomes defrost operating, measurement defrost operating
Frequency, and the target flow of the water of each outdoor unit is distributed based on the defrost operating frequency of each outdoor unit, it is controlled based on this
Make each pump corresponding with outdoor unit.Reduce the outdoor unit that defrost operating is for example easily accessible because environment is arranged as a result,
Load, therefore the aggravation of the frosting of outdoor unit can be delayed and inhibit the unevenness of defrost operating frequency.Defrost can be made to operate as a result,
Frequency averaging, the total degree of defrost reduces, and is able to achieve the operating of excellent in efficiency, COP (coefficient of refrigerating performance) is promoted, and can improve energy conservation
Property.
Since the ability of outdoor unit is asked according to (density) of the water of circulation × (flow) × (specific heat) × (temperature difference)
Out, therefore ability can be changed by change flow.
It in above-mentioned first scheme, can be set to, target flow allocation component reduces the defrost operating when heating
The target flow of the high outdoor unit of frequency.
According to this programme, the target flow of the high outdoor unit of defrost operating frequency is reduced, therefore can reduce and be easily accessible
The load of the outdoor unit of defrost operating.The aggravation of the frosting for the outdoor unit that defrost operating frequency can be delayed high as a result,.
It in above-mentioned first scheme, can be set to, target flow allocation component makes the defrost operating frequency when heating
The target flow of other low outdoor units of rate increases the institute of the high outdoor unit of the defrost operating frequency
State the reduction amount of target flow.
According to this programme, it is high that the target flow for other outdoor units for keeping defrost operating frequency low increases defrost operating frequency
Outdoor unit target flow reduction amount.The target flow for not having to change outdoor unit entirety as a result, can suppress defrost
The unevenness of operating frequency can inhibit the water temperature of cold and hot water supply system to change.Since the total degree of defrost is reduced, and defrost operating frequency
Rate is low, that is, increases the flow of the outdoor unit of COP high, therefore, is able to achieve the operating of excellent in efficiency, can improve energy saving.
In above-mentioned first scheme, can be set to, have: the first parameter sensing component senses the of the outdoor unit
One parameter, when the heating target flow allocation component based on after the operation start of the conditioner, in an institute
Each outdoor unit that first parameter sensing component described in stating when initially having started defrost operating in outdoor unit is sensed
First parameter value, distribute the target flow to each outdoor unit.
According to this programme, based on initially starting after the operation start of conditioner, in an outdoor unit
The value of first parameter of each outdoor unit that the first parameter sensing component is sensed when defrost operates, to each outdoor unit point
With target flow.Do not have to become defrost operating until all outdoor units as a result, it can be initial in each outdoor unit
The time point that outdoor unit has started defrost operating distributes target flow using the first parameter.It can carry out earlier as a result, pair
The reply of actual operational situation reduces the frequency of defrost operating, and the frequency averaging for operating defrost is able to achieve excellent in efficiency
Operating.In addition, COP (coefficient of refrigerating performance) is promoted, energy saving can be improved.
It in above-mentioned first scheme, can be set to, first parameter is revolution electric current, fan input current, evaporation temperature
Any one of degree or compressor inlet pressure.
According to this programme, as the first parameter, service firing electric current, fan input current, evaporating temperature or compressor
Any one of inlet pressure.Due to being the value that can be obtained by the sensor being set, there is no need to new equipment just
It can be carried out the equalization of the frequency of defrost operating.
It in above-mentioned first scheme, can be set to, in the heating in target flow allocation component, in first ginseng
In the case that number is the revolution electric current or the fan input current, value is bigger, more reduces the distribution of the target flow,
In the case where first parameter is the evaporating temperature or the compressor inlet pressure, value is smaller, more described in reduction
The distribution of target flow.
It in above-mentioned first scheme, can be set to, the control device of conditioner has: the second parameter sensing group
Part senses the second parameter of the outdoor unit；And target flow allocation component when cooling is based on institute in cooling operating
The value for stating second parameter for each outdoor unit that the second parameter sensing component is sensed, to each described outdoor single
Member distributes the respective target flow.
According to this programme, in cooling operating, the value of the second parameter based on each outdoor unit, to each outdoor unit point
With respective target flow, pump corresponding with outdoor unit is controlled based on this.For example make the second parameter because environment is arranged
Value produce unevenness in the case where reduce the load of inefficient outdoor unit, therefore the energy conservation of outdoor unit entirety can be improved
Property.
It in above-mentioned first scheme, can be set to, target flow allocation component reduces second parameter when described cooling
The big outdoor unit of value the target flow.
According to this programme, the target flow of the big outdoor unit of the value of the second parameter of reduction, therefore can reduce inefficient
The load of outdoor unit.The running rate of inefficient outdoor unit can be reduced as a result, improve energy saving.
It in above-mentioned first scheme, can be set to, target flow allocation component makes second parameter when described cooling
The target flow for being worth other small outdoor units increases the institute of the outdoor unit of the value of second parameter greatly
State the reduction amount of target flow.
According to this programme, the value that the target flow for other outdoor units for keeping the value of the second parameter small increases by the second parameter is big
Outdoor unit target flow reduction amount.The target flow for not having to change outdoor unit entirety as a result, can suppress efficiency
Unevenness.As a result, due to increasing the flow of the outdoor unit of COP high, it is able to achieve the operating of excellent in efficiency, section can be improved
It can property.
It in above-mentioned first scheme, can be set to, the control device of conditioner has: watering assignment of traffic group
Part, in cooling operating, second ginseng based on each outdoor unit that the second parameter sensing component is sensed
Several value, to distribute the watering flow for each water sprinkler for being set to each outdoor unit.
According to this programme, in cooling operating, the value of the second parameter based on each outdoor unit is set to each room to distribute
The watering flow of the water sprinkler of outer unit.Increase in the case where for example making the value of the second parameter produce unevenness because environment is arranged
Add the watering flow of inefficient outdoor unit, therefore the energy saving of outdoor unit entirety can be improved.
It in above-mentioned first scheme, can be set to, the watering assignment of traffic component keeps the value of second parameter big
The watering flow of the water sprinkler of the outdoor unit increases.
According to this programme, the watering flow for the outdoor unit for keeping the value of the second parameter big increases, therefore can increase inefficient
Outdoor unit watering flow.It can promote the cooling of inefficient outdoor unit as a result, improve energy saving.
It in above-mentioned first scheme, can be set to, the watering assignment of traffic component keeps the value of second parameter small
The watering flow of the water sprinkler of other outdoor units reduces the outdoor list of the value of second parameter greatly
The incrementss of the watering flow of the water sprinkler of member.
According to this programme, the value that the watering flow for other outdoor units for keeping the value of the second parameter small reduces by the second parameter is big
Outdoor unit watering flow incrementss.The watering flow for not having to change outdoor unit entirety as a result, can suppress each room
The unevenness of the cooling degree of outer unit.It is able to achieve the operating of excellent in efficiency as a result, energy saving can be improved.
It in above-mentioned first scheme, can be set to, second parameter is to the water sprinkler for being set to the outdoor unit
The opening frequency of the open and close valve that is controlled of watering flow, compressor discharge pressure, external air temperature, revolution electric current or
Any one of condensation temperature.
It is controlled as the second parameter using the watering flow to the water sprinkler for being set to outdoor unit according to this programme
Any in the opening frequency of the open and close valve of system, compressor discharge pressure, external air temperature, revolution electric current or condensation temperature
Kind.Since they are the value that can pass through the acquisitions such as the sensor being set, there is no need to new equipment can improve energy conservation
Property.
The conditioner of alternative plan of the invention has the control of described in any item conditioners above-mentioned
Device processed.
The control method of third program of the invention is a kind of control method of conditioner, wherein the air
Regulating device has: multiple outdoor units, comprising: by air to by the refrigerant after compressor compresses carry out cooling make it
The air heat exchanger of condensation liquefaction and the water heat exchanger that heat exchange is carried out with the refrigerant and water；And multiple pumps,
It is arranged in correspondence with the outdoor unit, the water is sent to each outdoor unit, the sky with respective target flow
The control method of gas control device has: defrost senses process, senses whether the outdoor unit becomes defrost operating；Defrost
Frequency measures process, measures the defrost operating frequency of each outdoor unit；And target flow distributes process when heating, is adding
In heat run, the defrost operating frequency based on each outdoor unit distributes respective institute to each outdoor unit
State target flow.
The control program of fourth program of the invention is a kind of control program of conditioner, wherein the air
Regulating device has: multiple outdoor units, comprising: by air to by the refrigerant after compressor compresses carry out cooling make it
The air heat exchanger of condensation liquefaction and the water heat exchanger that heat exchange is carried out with the refrigerant and water；And multiple pumps,
It is arranged in correspondence with the outdoor unit, the water is sent to each outdoor unit, the sky with respective target flow
The control program of gas control device has: defrost senses step, senses whether the outdoor unit becomes defrost operating；Defrost
Frequency measures step, measures the defrost operating frequency of each outdoor unit；And target flow allocation step when heating, adding
In heat run, the defrost operating frequency based on each outdoor unit distributes respective institute to each outdoor unit
State target flow.
Beneficial effect
According to the present invention, due to distributing respective target flow according to the operational situation of each indoor unit, it can be real
The operating of existing excellent in efficiency, COP are promoted, and can improve energy saving.
Detailed description of the invention
[Fig. 1] is the schematic configuration diagram for indicating the refrigerant system of conditioner of one embodiment of the present invention.
[Fig. 2] is the schematic configuration diagram for indicating the cooling water system of conditioner of one embodiment of the present invention.
[Fig. 3] is the block diagram for indicating the control device of conditioner of one embodiment of the present invention.
Mesh when [Fig. 4] is the heating operating for indicating the control device of the conditioner of one embodiment of the present invention
Mark the flow chart of flow control.
Make when [Fig. 5] is the heating operating for indicating the control device of the conditioner of one embodiment of the present invention
The flow chart controlled with the target flow of the first parameter.
[Fig. 6] is mesh when indicating the cooling operating of the control device of the conditioner of one embodiment of the present invention
Mark the flow chart of flow control.
[Fig. 7] is spilling when indicating the cooling operating of the control device of the conditioner of one embodiment of the present invention
The flow chart of water flow control.
[Fig. 8] is the target stream for indicating the control device of the conditioner of variation of one embodiment of the present invention
Measure the flow chart of control.
Specific embodiment
Hereinafter, being filled referring to control device, conditioner, air conditioning of the attached drawing to conditioner of the invention
One embodiment of the control program of the control method and conditioner set is illustrated.
Hereinafter, being illustrated using Fig. 1 to Fig. 8 to one embodiment of the present invention.
The schematic configuration of the refrigerant system of the conditioner of present embodiment is shown in FIG. 1.
The conditioner 1 of present embodiment is by more outdoor units 10 and the water piping 90 for being connected to outdoor unit 10
Deng composition.Outdoor unit 10 is, for example, air-cooled cooling unit (air cooling chilling unit), can be by matching in water
Flowing water carries out heat exchange to generate cold water or hot water in pipe 90.Cold water or hot water generated are for example by external load benefit
With.In the set temperature of external load setting water, conditioner 1 carries out hot friendship to the return water returned from external load
It changes, external load is sent to set temperature.
For the conditioner 1 of present embodiment, the example for being set side by side with four outdoor units 10 is listed, but
If being able to achieve as system, there is no limit for the connection method of number of units and each outdoor unit 10 for outdoor unit 10.
Outdoor unit 10 is by compressor 30, four-way valve 5, water heat exchanger 35, inflated with low pressure valve 37, liquid storage device 38, high pressure
Expansion valve 39 and air heat exchanger 20 etc. are constituted.Compressor 30, four-way valve 5, water heat exchanger 35, inflated with low pressure valve 37,
Liquid storage device 38, high-pressure expansion valve 39 and air heat exchanger 20 are linked by refrigerant piping, constitute refrigerant circuit.
The external air temperature sensor (not shown) of measurement external air temperature is equipped in outdoor unit 10.
Compressor 30 is by rotating driving by the motor 31 of carry out Frequency Converter Control.
Be equipped in compressor 30: current sensor 33 measures the revolution electric current of compressor 30；Compressor inlet pressure sensing
Device 32, measurement are sucked into the pressure i.e. compressor inlet pressure of the refrigerant of compressor 30；And compressor discharge pressure sensing
Device 34 measures the pressure, that is, compressor discharge pressure for the refrigerant being discharged from compressor 30.
It is cold and hot come cold by what is obtained in water heat exchanger 35 as a result, in water heat exchanger 35 inserted with water piping 90
But the flowing water in water piping 90, thus to obtain cold water, in addition, being heated by the thermal energy obtained in water heat exchanger 35
The flowing water in water piping 90, thus to obtain hot water.
In water piping 90, water heat exchanger 35 upstream side is provided with the pump for water to be sent to outdoor unit 10
80.Pump 80 is controlled in such a way that the target flow set by each indoor unit sends out water by aftermentioned control device 50.
In the present embodiment, pump 80 is set to outside outdoor unit 10, but also can be set in outdoor unit 10
Portion.
Air heat exchanger 20 is configured at the upper space of outdoor unit 10.Air heat exchanger 20 in cooling operating
Carry out cooling to high-temperature high-pressure refrigerant between outside air and make its condensation, when heating operating from outside air heat absorption and
Evaporate liquid refrigerant.In the present embodiment, air heat exchanger 20, which uses, has air heat exchanger 20a and 20b
Composition, but may be one, three or more can also be arranged.
The temperature sensor 25 of the temperature of measurement air heat exchanger 20 is equipped near air heat exchanger 20.
Outdoor fan 27 is equipped in the top of a pair of of air heat exchanger 20a and 20b.Outdoor fan 27 is by by air
It is sent to top and induces air to the air heat exchanger 20a and 20b for being set to lower section from outside.Outdoor fan 27 by
Electric motor 28 rotates.Electric motor 28 drive/stop by control device 50.It should be noted that can also will be electronic
Motor 28 is set as Frequency Converter Control, and revolving speed can be changeably controlled.Alternatively, revolving speed control can also be carried out using d.c. motor.
The fan input that measurement is input to the fan input current (current value) of outdoor fan 27 is equipped in outdoor fan 27
Current sensor 29.
Control device 50 obtains above-mentioned current sensor 33, compressor inlet pressure sensor 32, compressor discharge pressure
Each measured value that force snesor 34, temperature sensor 25 and fan input current sensor 29 are measured.In addition, control dress
Set the control etc. that each pump 80 of 50 carry out sends out water with target flow.
Control device 50 is for example by CPU (Central Processing Unit: central processing unit), RAM (Random
Access Memory: random access memory), ROM (Read Only Memory: read-only memory) and computer-readable
Storage medium etc. is taken to constitute.Then, for a succession of processing for realizing various functions, as an example, with program
Form be stored in storage medium etc., which is read out to RAM etc., and processing/calculation process of execution information by CPU, by
This realizes various functions.It should be noted that program can also using in advance installation to ROM, other storage mediums mode, with
It is stored in the mode that the state of computer-readable storage medium provides, the mode transmitted via wired or wireless communication unit
Deng.Computer-readable storage medium is disk, photomagneto disk, CD-ROM, DVD-ROM, semiconductor memory etc..
The schematic configuration of the cooling water system of the conditioner of present embodiment is shown in FIG. 2.
As shown in Fig. 2, being equipped with water sprinkler 73 in the side of air heat exchanger 20.Water sprinkler 73 is by air conditioning
The air heat exchanger 20 for being used as condenser when the cooling operating of device 1 sprays cooling water, to reduce the condensation pressure of refrigerant
Power and improve performance.
It is formed in each water sprinkler 73 there are many hole portion, cooling water flows out to side from each hole portion.Each hole portion is arranged in cooling
Water is equably throughout each cooling fin for arriving air heat exchanger 20.
Each water sprinkler 73 set on air heat exchanger 20 is connected by water supply piping 71.Water supply piping 71 for example with tap water
Pipe connection.In each outdoor unit 10, opening as solenoid valve is equipped on the water supply piping 71 of the upstream side of each water sprinkler 73
Valve closing 70, open and close valve 70 are controlled by control device 50.For example, open and close valve 70 is opened, cooling water when external air temperature rises
It is sprayed to the surface of air heat exchanger 20.
The recycling for recycling the cooling water for being sprayed to air heat exchanger 20 is equipped in the lower section of air heat exchanger 20
Disk 75.The water recycled by each recovering tray 75 is expelled to outside via reflux piping 77.It can be set to: being recycled by each recovering tray 75
Cooling water is for example stored in hopper and by sprinkling water with pumping out, and thus recycles in outdoor unit 10.
Here, heating operating and cooling (or defrosting) run through such as under type and switch: switching in outdoor unit 10
Four-way valve 5 shown in FIG. 1 and so that the flow direction of refrigerant is changed.When heating operating, from the system of the discharge of compressor 30
Cryogen presses the sequential flow of water heat exchanger 35, inflated with low pressure valve 37, liquid storage device 38, high-pressure expansion valve 39, air heat exchanger 20
It is dynamic.Water heat exchanger 35 plays a role as condenser, and air heat exchanger 20 plays a role as evaporator.Then, by water
Hot water after heat exchanger 35 heats is supplied via water piping 90 to next outdoor unit 10 or outside.
In cooling (defrosting) operating, the refrigerant being discharged from compressor 30 presses air heat exchanger 20, high-pressure expansion valve
39, the sequential flowing of liquid storage device 38, inflated with low pressure valve 37, water heat exchanger 35.Air heat exchanger 20 is played as condenser
Effect, water heat exchanger 35 play a role as evaporator.Then, it is piped by the cold water after cooling of water heat exchanger 35 via water
90 supply to next outdoor unit 10 or outside.
When carrying out heating operating as entire conditioner 1, when outdoor unit 10 carries out heating operating, sometimes
Frosting can occur on the surface of air heat exchanger 20.When frosting occurs, play air heat exchanger 20 as condenser
Effect carries out the defrosting operating (defrost operation: defrost operating) of defrosting.But the heat flowed in water piping 90
Water is cooled down by the water heat exchanger 35 for carrying out the outdoor unit 10 of defrosting operating, therefore, can probably be made to be piped in 90 in water and be flowed
The temperature of dynamic water reduces.
In the present embodiment, it carries out control as follows: measuring the frequency of the defrost operating of multiple outdoor units 10, and according to
Defrost operating frequency distributes the respective target flow of each outdoor unit 10.
The conditioner 1 of present embodiment has the control device 50 for the control for carrying out multiple outdoor units 10 etc..
Control device 50 and each outdoor unit 10 are for example by the connection (not shown) of control cable, transmitting-receiving control signal.
In Fig. 3, the control device of the conditioner of present embodiment is shown in block diagram form.
Control device 50 has: defrost detecting part (defrost sensing component) 51, (the defrost frequency measurement of defrost frequency measurement unit
Component) 52, heating when target flow dispenser (target flow allocation component when heating) 53, it is cooling when target flow dispenser
(target flow allocation component when cooling) 54, watering assignment of traffic portion (watering assignment of traffic component) 55, first parameter sensing portion
(the first parameter sensing component) 56 and the second parameter sensing portion (the second parameter sensing component) 57.Control device 50 both can be with
Each 10 split settings of outdoor unit can also be set to any outdoor unit 10.
Whether the sensing of defrost detecting part 51 has started defrost operating in each outdoor unit 10.Defrost runs through switching four
Port valve 5 and so that the flow direction of refrigerant is changed to start, therefore, can by sense four-way valve 5 switching come sensing
The beginning of frost operating.
In addition, frosting, therefore air heat exchanger 20 occurs in air heat exchanger 20 when continuing heating operating
Temperature reduce.Therefore, whether outdoor unit 10 can be based on each outdoor unit 10 in state of the defrost operation start before tight
The temperature of air heat exchanger 20 judges.
The measurement of defrost frequency measurement unit 52 is operated carried out number by the defrost in the stipulated time of each outdoor unit 10,
And it calculates defrost and operates carried out frequency.
For example, the outdoor unit 10 of the windward side during winter makes snow be attached to air heat exchanger 20 because of snowfall, send out
It is raw to block, it is easy frosting, in addition, being easy because being in windward will snow sucking inside.In contrast, the outdoor unit 10 of leeward side
Due to windward side outdoor unit 10 accept wind and snow and frosting is few.Thus, it is believed that: the defrost operating of the outdoor unit 10 of windward side
Frequency is high, and the defrost operating frequency of the outdoor unit 10 of leeward side is low.
Target flow dispenser 53 is in heating operating based on each room measured by defrost frequency measurement unit 52 when heating
The defrost operating frequency of outer unit 10, to distribute respective target flow to each outdoor unit 10.
Target flow can all phases in the case where each outdoor unit 10 is operated with same capabilities, same efficiency
Same flow.In the case where running efficiency as described above presses each 10 difference of outdoor unit because environment etc. is arranged, it is being set as phase
With target flow when, defrost operating frequency generates uneven.
Therefore, in the present embodiment, it is set as: the defrost operating frequency based on each outdoor unit 10, to reduce defrost fortune
Turn the target flow of the high outdoor unit 10 of frequency, increases the target flow of other low outdoor units 10 of defrost operating frequency.
At this point, so that the reduction amount of the target flow increase target flow of other outdoor units 10, reaches the whole mesh of outdoor unit 10
The mode of mark flow is controlled.In this way, carrying out feedback control based on actual defrost operating frequency.This control is based on real
The control of the defrost operating frequency on border, therefore the probability for carrying out error control can be reduced.
The target flow for reducing the high outdoor unit 10 of defrost operating frequency refers to that the load by the outdoor unit 10 is set as
Underload.By being set as underload, the evaporating temperature of Lai Tigao air heat exchanger 20 reduces the heat sucked from air, by
This delays the aggravation of frosting, reduces frosting degree.
In addition, the target flow for the outdoor unit 10 for keeping defrost operating frequency low increases the outdoor high in defrost operating frequency
The amount of the flow of the water of reduction refers to the load for increasing the outdoor unit 10 in unit 10.Low defrost operating frequency is fingering row
The operating of excellent in efficiency.Apply load by the outdoor unit 10 to excellent in efficiency equalize defrost operating frequency, is able to achieve steady
Fixed operating.In addition, whole improved efficiency, energy saving is improved.
The value of second parameter based on each outdoor unit 10 in cooling operating of target flow dispenser 54 when cooling, next pair
Each outdoor unit 10 distributes respective target flow.Here, the second parameter refers to the water sprinkler 73 in each outdoor unit 10
The opening frequency for the open and close valve 70 that watering flow is controlled is arranged by the compressor that compressor discharge pressure sensor 34 measures
Out pressure, measured by external air temperature sensor (not shown) external air temperature, measured by current sensor 33
The revolution electric current of compressor 30 or the condensation temperature of the air heat exchanger 20 measured by temperature sensor 25 in appoint
One value.
In the present embodiment, it is set as: the value of the second parameter based on each outdoor unit 10, to reduce the value of the second parameter
The target flow of big outdoor unit 10, the target flow of other small outdoor units 10 of the value of the second parameter of increase.At this point, with
Increase the target flow of other outdoor units 10 by the reduction amount of target flow, reaches the whole target flow of outdoor unit 10
Mode is controlled.
For example, the outdoor unit 10 for being set to central portion is easy in the case where set is provided with multiple outdoor unit 10
The air that sucking is discharged from itself unit or other units, rather than external new air, therefore heat is easily accumulated in
It is internal.Therefore, temperature rises, deterioration of efficiency.
In contrast, be set to end outdoor unit 10 can suck outside new air, and be easy heat dissipation.By
This, is able to achieve the operating of excellent in efficiency, can embody output capacity.
Therefore, opening frequency, compressor discharge pressure, outside air temperature based on the open and close valve 70 for being set as the second parameter
Any value in degree, revolution electric current or condensation temperature, the big outdoor unit 10 of the value of inefficient second parameter is set as
Underload, the outdoor unit 10 small to the value of the second parameter of excellent in efficiency apply load.
Control in this way reduces the running rate of inefficient outdoor unit 10, and temperature is inhibited to rise.
The value for second parameter based on each outdoor unit 10 in cooling operating of assignment of traffic portion 55 of sprinkling water, to each outdoor
Unit 10 distributes each watering flow.
In the present embodiment, it is set as: the value of the second parameter based on each outdoor unit 10, the value of the second parameter of Lai Zengjia
The watering flow of big outdoor unit 10, the watering flow of other small outdoor units 10 of the value of the second parameter of reduction.At this point, with
So that the watering flow of other outdoor units 10 is reduced the incrementss of watering flow, reaches the whole watering flow of outdoor unit 10
Mode is controlled.
Control in this way inhibits the temperature of inefficient outdoor unit 10 to rise.
First parameter sensing portion 56 senses the first parameter of each outdoor unit 10.It is passed here, the first parameter refers to by electric current
The revolution electric current for the compressor 30 that sensor 33 measures, the fan input current measured by fan input current sensor 29,
It the evaporating temperature of the air heat exchanger 20 measured by temperature sensor 25 or is counted by compressor inlet pressure sensor 32
Any value in compressor inlet pressure measured.
Second parameter sensing portion 57 senses the second parameter of above-mentioned each outdoor unit 10.
[using defrost operating frequency in heating operating]
Then, the mesh referring to Fig. 4, when being operated to the heating of the control device 50 of the conditioner 1 of present embodiment
Mark flow control is illustrated.
When heating operation start, whether the judgement of defrost detecting part 51 has started defrost operating in outdoor unit 10
(S401)。
In the case where being judged to having started defrost operating, S402 is entered step.On the other hand, it is being determined as beginning
In the case where frost operating, it is made whether to have started the judgement of defrost operating, therefore return step S401 again.
In step S402, defrost frequency measurement unit 52 obtains the defrost operating frequency of each outdoor unit 10, enters step
S403。
In step S403, defrost frequency measurement unit 52 determines whether that all outdoor units 10 have started defrost operating.
In the case where being determined as that all outdoor units 10 have started defrost operating, S404 is entered step.On the other hand, it is being determined as
In the case that more than one outdoor unit 10 does not start defrost operating, return step S402 is repeated the above until all
Outdoor unit 10 starts defrost operating.
In step s 404, when heating defrost operating frequency of the target flow dispenser 53 based on each outdoor unit 10 come point
With respective target flow.
Processing in this way is distributed the respective target flow of each outdoor unit 10 based on defrost operating frequency, made
Defrost operating frequency equalization.
[using the first parameter in heating operating]
Here, as determined in step S403, before all outdoor units 10 start defrost operating not
Respective target flow can be distributed.
Therefore, to each the first of each outdoor unit 10 at the time point for having started defrost operating based on any outdoor unit 10
The value of parameter is studied come the method for distributing respective target flow.As described above, the first parameter is that revolution electric current, fan are defeated
Enter any value in electric current, evaporating temperature or compressor inlet pressure.
In heating operating, when deterioration of efficiency, the revolving speed of compressor 30 is promoted, and the revolving speed of outdoor fan 27 is promoted.This
Outside, due to inefficient, the evaporating temperature decline of air heat exchanger 20, compressor inlet pressure decline.
For revolution electric current or fan input current, it may be said that be that the bigger efficiency of its value is poorer, for steaming
For hair temperature or compressor inlet pressure, it may be said that be that the smaller efficiency of its value is poorer.Defrost can be supplemented using these values
Operating frequency is predicted based on these values and distributes respective target flow.
In Fig. 5, the heating of the control device of the conditioner of present embodiment is shown in a flowchart
The target flow control for having used the first parameter when operating.
When heating operation start, whether the judgement of defrost detecting part 51 has started defrost operating in outdoor unit 10
(S501)。
In the case where being judged to having started defrost operating, S502 is entered step.On the other hand, it is being determined as beginning
In the case where frost operating, the judgement for whether having started defrost operating in any outdoor unit 10 is carried out again, therefore return to step
Rapid S501.
In step S502, the first parameter sensing portion 56 obtains the first parameter of each outdoor unit 10, enters step S503.
In step S503, when heating the value of 53 the first parameter based on each outdoor unit 10 of target flow dispenser come point
With respective target flow.For revolution electric current or fan input current, it may be said that be the bigger effect of its value
Rate is poorer, for evaporating temperature or compressor inlet pressure, it may be said that is that the smaller efficiency of its value is poorer.In the first parameter
In the case where revolution electric current or fan input current, value is bigger, more reduces the distribution of target flow, is to steam in the first parameter
In the case where sending out temperature or compressor inlet pressure, it is worth smaller, the more distribution of reduction target flow.
Processing in this way makes any outdoor unit 10 enter defrost to operate, the value as a result, based on the first parameter come
The respective target flow for distributing each outdoor unit 10 equalizes defrost operating frequency.[target stream is distributed in cooling operating
Amount]
Then, the mesh referring to Fig. 6, when being operated to the cooling of the control device 50 of the conditioner 1 of present embodiment
Mark flow control is illustrated.
Firstly, in step s 601, carrying out the judgement for whether having carried out cooling operating in conditioner 1.Sentencing
It is set in the case where carried out cooling operating in conditioner 1, enters step S602.It is being judged to not carrying out cooling fortune
In the case where turning, operated as heating, into the step S401 of Fig. 4.
In step S602, the second parameter sensing portion 57 obtains the second parameter of each outdoor unit 10, enters step S603.
As it was noted above, the second parameter is opening frequency, compressor discharge pressure, external air temperature, the revolution electric current of open and close valve 70
Or any value in condensation temperature.
In step S603, when cooling the value of 54 the second parameter based on each outdoor unit 10 of target flow dispenser come point
With respective target flow.As it was noted above, being set as: the target flow of the big outdoor unit 10 of the value of the second parameter of reduction increases
The target flow for other outdoor units 10 for adding the value of the second parameter small.
Processing in this way distributes the respective target flow of each outdoor unit 10 based on the value of the second parameter, drop
The running rate of the outdoor unit 10 of inefficient difference.
[the distribution watering flow in cooling operating]
Then, referring to Fig. 7, spilling when being operated to the cooling of the control device 50 of the conditioner 1 of present embodiment
Water flow control is illustrated.
Firstly, in step s 701, carrying out the judgement for whether having carried out cooling operating in conditioner 1.Sentencing
It is set in the case where carried out cooling operating in conditioner 1, enters step S702.It is being judged to not carrying out cooling fortune
In the case where turning, operated as heating, into the step S401 of Fig. 4.
In step S702, the second parameter sensing portion 57 obtains the second parameter of each outdoor unit 10, enters step S703.
In step S703, watering assignment of traffic portion 55 is respectively spilt based on the value of the second parameter of each outdoor unit 10 to distribute
Water flow.As described above, being set as: the watering flow of the big outdoor unit 10 of the value of the second parameter of increase reduces by the second parameter
It is worth the watering flow of other small outdoor units 10.
Processing in this way distributes each watering flow of each outdoor unit 10 based on the value of the second parameter, inhibits effect
The temperature of the outdoor unit 10 of rate difference rises.
[variation]
It is set as in above-mentioned target flow control perhaps watering flow control: based on the first parameter or the second parameter
Value come control respective target flow or watering flow.
In this variation, it is set as: being above or below according to the first parameter of each outdoor unit or the second parameter
Target flow or watering flow are changed specified amount by its average value.In this variation, it is specified that amount is set as target flow
2%, but the value can also be changed.
In fig. 8, the control dress of the conditioner of modified embodiment of the present embodiment is shown in a flowchart
The target flow control set.Hereinafter, being illustrated to the example for carrying out that the target flow of the second parameter has been used to control.
Firstly, obtaining the second parameter (S801) of each outdoor unit 10.
Then, the average value (S802) of each second parameter is calculated.
Whether it is greater than it is determined that having subtracted to be worth obtained by its average value from the value of the second parameter of the outdoor unit 10
0(S803).In the case where being determined as that value is greater than 0, S804 is entered step, in the case where being determined as that value is 0 situation below, into step
Rapid S805.
In the case where being determined as that value is greater than 0 in step S803, it is inefficient to be judged as that the outdoor unit 10 has carried out
Operating, therefore the target flow of the outdoor unit 10 is reduced by 2% (S804).
Then, it is made whether not carry out the outdoor unit 10 of the judgement of step S803 there are next outdoor unit 10, i.e.
Judgement (S806).In the case where being determined to have next outdoor unit 10, S803 is entered step.On the other hand, not
There are in the case where next outdoor unit 10, end processing.
It is determined as that value is that can be judged as that the outdoor unit 10 has carried out excellent in efficiency in 0 situation below in step S803
Operating, therefore by the target flow of the outdoor unit 10 increase by 2% (S805).
Here, when using evaporating temperature or compressor inlet pressure using the first parameter, step S803
In the sign of inequality of judgement be opposite.
In addition, the target flow of Fig. 8 is set as watering flow in the case where flow is sprinkled water in control.
As discussed above, the control device of conditioner according to the present embodiment, air conditioning dress
It sets, the control program of the control method of conditioner and conditioner, plays function and effect below.
According to the present embodiment, in heating operating, whether sensing outdoor unit 10 becomes defrost operating, measures defrost
The frequency of operating, and the target flow of the water of each outdoor unit 10 is distributed based on the defrost operating frequency of each outdoor unit 10,
Each pump 80 corresponding with outdoor unit 10 is controlled based on this.Reduce the room that defrost operating is for example easily accessible because environment is arranged
The load of outer unit 10, therefore the aggravation of the frosting of outdoor unit 10 can be delayed and inhibit the unevenness of defrost operating frequency.As a result,
The total degree of the frequency averaging that defrost can be made to operate, defrost is reduced, and is able to achieve the operating of excellent in efficiency, COP (coefficient of refrigerating performance) is mentioned
It rises, energy saving can be improved.
Due to outdoor unit 10 ability according to (density) × (flow) × (specific heat) × (temperature difference) of the water of circulation come
It finds out, therefore ability can be changed by change flow.
In addition, according to the present embodiment, reducing the target flow of the high outdoor unit 10 of defrost operating frequency, therefore can subtract
The load of the small outdoor unit 10 for being easily accessible defrost operating.The outdoor unit 10 that can delay defrost operating frequency high as a result,
The aggravation of frosting.
In addition, according to the present embodiment, the target flow increaseization for other outdoor units 10 for keeping defrost operating frequency low
The reduction amount of the target flow of the high outdoor unit 10 of white operating frequency.The whole target of change outdoor unit 10 is not had to as a result,
Flow can suppress the unevenness of defrost operating frequency, and the water temperature of cold and hot water supply system can be inhibited to change.Since the total degree of defrost subtracts
It is few, and defrost operating frequency is low, that is, increase the flow of the outdoor unit 10 of COP high, therefore, is able to achieve the fortune of excellent in efficiency
Turn, energy saving can be improved.
In addition, according to the present embodiment, based on after the operation start of conditioner 1, in an outdoor unit 10
In the first parameter sensing portion 56 is sensed when initially having started defrost operating the first parameter of each outdoor unit 10 value, come
Target flow is distributed to each outdoor unit 10.It, can be in each outdoor without becoming defrost operating until all outdoor units 10
The time point that initial outdoor unit 10 in unit 10 has started defrost operating distributes target flow using the first parameter.By
This, can carry out the reply to actual operational situation earlier, can be reduced the frequency of defrost operating.In addition, operating defrost
Frequency averaging is able to achieve the operating of excellent in efficiency, and COP (coefficient of refrigerating performance) is promoted, and can improve energy saving.
In addition, according to the present embodiment, as the first parameter, service firing electric current, fan input current, evaporating temperature or
Any one of person's compressor inlet pressure.Since these values are the value that can be obtained by the sensor being set,
It just can be carried out the equalization of the frequency of defrost operating without new equipment.
In addition, according to the present embodiment, in cooling operating, the value of the second parameter based on each outdoor unit 10, next pair
Each outdoor unit 10 distributes respective target flow, and pump 80 corresponding with outdoor unit 10 is controlled based on this.For example because setting
In the case where setting environment and the value of the second parameter being made to produce unevenness, reduce the load of inefficient outdoor unit 10, therefore energy
Improve the whole energy saving of outdoor unit 10.
In addition, according to the present embodiment, the target flow of the big outdoor unit 10 of the value of the second parameter of reduction, therefore can subtract
The load of small inefficient outdoor unit 10.The running rate of inefficient outdoor unit 10 can be reduced as a result, improve energy saving.
In addition, according to the present embodiment, the target flow for other outdoor units 10 for keeping the value of the second parameter small increases by the
The reduction amount of the target flow of the big outdoor unit 10 of the value of two parameters.In the present embodiment, change outdoor unit 10 is not had to
Whole target flow, can suppress the unevenness of efficiency.As a result, due to increasing the flow of the outdoor unit 10 of COP high, because
This, is able to achieve the operating of excellent in efficiency, can improve energy saving.
For example, in the case where set is provided with multiple outdoor unit 10, being set to the room of central portion in cooling operating
The air that the easy sucking of outer unit 10 is discharged from itself unit or other units, rather than external new air, therefore heat
Amount is easily accumulated in inside.Therefore, temperature rises, deterioration of efficiency.
In contrast, be set to end outdoor unit 10 can suck outside new air, and be easy heat dissipation.By
This, is able to achieve the operating of excellent in efficiency, can embody output capacity.
Think: the temperature rising of outdoor unit 10 may will affect equipment life, when the outdoor unit for being set to central portion
When 10 temperature rises, compared with other outdoor units 10, deterioration can aggravate.In the present embodiment, efficiency can be inhibited not
, temperature rise can be inhibited, therefore can also inhibit influence of the high temperature to equipment life.
In addition, according to the present embodiment, in cooling operating, the value of the second parameter based on each outdoor unit 10, to divide
Watering flow with the water sprinkler 73 for being set to each outdoor unit 10.For example generate the value of the second parameter because environment is arranged
In the case where uneven, increase the watering flow of inefficient outdoor unit 10, therefore the whole section of outdoor unit 10 can be improved
It can property.
In addition, according to the present embodiment, the watering flow for the outdoor unit 10 for keeping the value of the second parameter big increases, therefore energy
Increase the watering flow of inefficient outdoor unit 10.It can promote the cooling of inefficient outdoor unit 10 as a result, improve energy conservation
Property.
In addition, according to the present embodiment, the watering flow for other outdoor units 10 for keeping the value of the second parameter small reduces the
The incrementss of the watering flow of the big outdoor unit 10 of the value of two parameters.In the present embodiment, change outdoor unit 10 is not had to
Whole watering flow, can suppress the unevenness of the cooling degree of each outdoor unit 10.It is able to achieve the operating of excellent in efficiency as a result,
Energy saving can be improved.
In addition, according to the present embodiment, as the second parameter, using spilling to the water sprinkler 73 for being set to outdoor unit 10
Opening frequency, compressor discharge pressure, external air temperature, the revolution electric current or cold for the open and close valve 70 that water flow is controlled
Any one of solidifying temperature.Since these values are that can pass through the value of the acquisitions such as the sensor being set, there is no need to new
Equipment can improve energy saving.
More than, one embodiment of the present invention is explained in detail with reference to the accompanying drawings, but specific constitute is not limited to the reality
Mode is applied, also includes the design alteration etc. not departed from the range of purport of the invention.
For example, in the above-described embodiment, be set as carrying out target flow control or watering flow control every time, but
Target flow or watering flow by each outdoor unit 10 can also be stored after being controlled and use its value.
In the case where heating operating, meteorological condition (snowfall, wind direction, wind speed, weather etc.) Yin and it is different, it is thus outdoor
The defrost operating frequency of unit 10 also can be different.As a result, in the case where meteorological condition and proxima luce (prox. luc) differ widely, it can also make
With the target flow of the defrost operating frequency based on proxima luce (prox. luc).
In the case where cooling operating, predominantly summer, big difference will not be generated because of day.Thus, it is possible to using with
The identical target flow of proxima luce (prox. luc), identical flow can be used in (period can be set by the user) during summer.
In addition, in the above-described embodiment, being set as carrying out the control of target flow or flow of sprinkling water, but can also set
To carry out the revolving speed of compressor 30, the revolution electric current of compressor 30, the setting temperature of the revolving speed of outdoor fan 27 or external load
The control of degree.Control object is not limited to above-mentioned, is relevant index.
Symbol description
1 conditioner
10 outdoor units
20 air heat exchangers
30 compressors
35 water heat exchangers
50 control devices
The piping of 90 water
Claims (16)
1. a kind of control device of conditioner, wherein
The conditioner has:
Multiple outdoor units, comprising: by air to by the refrigerant after compressor compresses carry out cooling make its condensation liquefaction
Air heat exchanger and the water heat exchanger of heat exchange is carried out with the refrigerant and water；And
Multiple pumps are arranged in correspondence with the outdoor unit, and the water is sent to each outdoor with respective target flow
Unit,
The control device of the conditioner has:
Defrost sensing component, senses whether the outdoor unit becomes defrost operating；
Defrost frequency measures component, measures the defrost operating frequency of each outdoor unit；And
Target flow allocation component when heating, in heating operating, the defrost operating frequency based on each outdoor unit,
To distribute the respective target flow to each outdoor unit.
2. the control device of conditioner according to claim 1, wherein
Target flow allocation component reduces the target of the high outdoor unit of the defrost operating frequency when heating
Flow.
3. the control device of conditioner according to claim 2, wherein
The mesh for other outdoor units that target flow allocation component keeps the defrost operating frequency low when the heating
Mark flow increases the reduction amount of the target flow of the high outdoor unit of the defrost operating frequency.
4. the control device of conditioner according to any one of claim 1 to 3, wherein
Have: the first parameter sensing component senses the first parameter of the outdoor unit,
When the heating target flow allocation component based on after the operation start of the conditioner, a room
The institute for each outdoor unit that first parameter sensing component described in when initially having started defrost operating in outer unit is sensed
The value for stating the first parameter distributes the target flow to each outdoor unit.
5. the control device of conditioner according to claim 4, wherein
First parameter is any one of revolution electric current, fan input current, evaporating temperature or compressor inlet pressure.
6. the control device of conditioner according to claim 5, wherein
It is that the revolution electric current or the fan are defeated in first parameter in the heating in target flow allocation component
In the case where entering electric current, be worth it is bigger, more reduce the distribution of the target flow, first parameter be the evaporating temperature or
In the case where compressor inlet pressure described in person, value is smaller, more reduces the distribution of the target flow.
7. the control device of conditioner according to any one of claim 1 to 6, wherein
Have:
Second parameter sensing component senses the second parameter of the outdoor unit；And
Target flow allocation component when cooling is sensed each in cooling operating based on the second parameter sensing component
The value of second parameter of the outdoor unit distributes the respective target flow to each outdoor unit.
8. the control device of conditioner according to claim 7, wherein
Target flow allocation component reduces the target of the outdoor unit of the value of second parameter greatly when described cooling
Flow.
9. the control device of conditioner according to claim 8, wherein
The mesh for other outdoor units that target flow allocation component keeps the value of second parameter small when described cooling
Mark flow increases the reduction amount of the target flow of the outdoor unit of the value of second parameter greatly.
10. the control device of conditioner according to any one of claims 7 to 9, wherein
Have: watering assignment of traffic component, in cooling operating, each institute for being sensed based on the second parameter sensing component
The value of second parameter of outdoor unit is stated, to distribute the watering flow for each water sprinkler for being set to each outdoor unit.
11. the control device of conditioner according to claim 10, wherein
The watering assignment of traffic component makes the described of the water sprinkler of the outdoor unit of the value of second parameter greatly
Flow of sprinkling water increases.
12. the control device of conditioner according to claim 11, wherein
The water sprinkler for other outdoor units that the watering assignment of traffic component keeps the value of second parameter small
The watering flow of the water sprinkler of the big outdoor unit of the value that the watering flow reduces second parameter
Incrementss.
13. the control device of conditioner according to any one of claims 7 to 12, wherein
Second parameter is beating for the open and close valve that the watering flow to the water sprinkler for being set to the outdoor unit is controlled
Open any one of frequency, compressor discharge pressure, external air temperature, revolution electric current or condensation temperature.
14. a kind of conditioner has the control dress of conditioner described in any one of claims 1 to 13
It sets.
15. a kind of control method of conditioner, wherein
The conditioner has:
Multiple outdoor units, comprising: by air to by the refrigerant after compressor compresses carry out cooling make its condensation liquefaction
Air heat exchanger and the water heat exchanger of heat exchange is carried out with the refrigerant and water；And
Multiple pumps are arranged in correspondence with the outdoor unit, and the water is sent to each outdoor with respective target flow
Unit,
The control method of the conditioner has:
Defrost senses process, senses whether the outdoor unit becomes defrost operating；
Defrost frequency measures process, measures the defrost operating frequency of each outdoor unit；And
Target flow distributes process when heating, in heating operating, the defrost operating frequency based on each outdoor unit,
To distribute the respective target flow to each outdoor unit.
16. a kind of control program of conditioner, wherein
The conditioner has:
Multiple outdoor units, comprising: by air to by the refrigerant after compressor compresses carry out cooling make its condensation liquefaction
Air heat exchanger and the water heat exchanger of heat exchange is carried out with the refrigerant and water；And
Multiple pumps are arranged in correspondence with the outdoor unit, and the water is sent to each outdoor with respective target flow
Unit,
The control program of the conditioner has:
Defrost senses step, senses whether the outdoor unit becomes defrost operating；
Defrost frequency measures step, measures the defrost operating frequency of each outdoor unit；And
Target flow allocation step when heating, in heating operating, the defrost operating frequency based on each outdoor unit,
To distribute the respective target flow to each outdoor unit.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017107630A JP2018204813A (en) | 2017-05-31 | 2017-05-31 | Control apparatus for air conditioning device, air conditioning device, control method for air conditioning device, and control program for air conditioning device |
| JP2017-107630 | 2017-05-31 | ||
| PCT/JP2018/017968 WO2018221144A1 (en) | 2017-05-31 | 2018-05-09 | Device for controlling air conditioner device, air conditioner device, method for controlling air conditioner device, and program for controlling air conditioner device |
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| Publication Number | Publication Date |
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| CN110023695A true CN110023695A (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201880004633.6A Pending CN110023695A (en) | 2017-05-31 | 2018-05-09 | The control program of the control device of conditioner, conditioner, the control method of conditioner and conditioner |
Country Status (4)
| Country | Link |
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| JP (1) | JP2018204813A (en) |
| KR (1) | KR20190075104A (en) |
| CN (1) | CN110023695A (en) |
| WO (1) | WO2018221144A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2020193763A (en) * | 2019-05-28 | 2020-12-03 | ダイセン・メンブレン・システムズ株式会社 | Cooling apparatus and cooling system |
| CN112524746B (en) * | 2019-09-17 | 2021-11-26 | 青岛海尔空调电子有限公司 | Control method for outdoor unit balanced frosting in multi-split air conditioning system |
| CN114061108B (en) * | 2020-08-03 | 2023-04-14 | 广东美的制冷设备有限公司 | Air conditioner, method of controlling the same, and computer-readable storage medium |
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| JP5972018B2 (en) * | 2012-04-12 | 2016-08-17 | 三菱電機株式会社 | Air conditioner |
| JP6001375B2 (en) * | 2012-08-09 | 2016-10-05 | 株式会社Ｎｔｔファシリティーズ | Air conditioning system |
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- 2017-05-31 JP JP2017107630A patent/JP2018204813A/en active Pending
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- 2018-05-09 WO PCT/JP2018/017968 patent/WO2018221144A1/en active Application Filing
- 2018-05-09 KR KR1020197014930A patent/KR20190075104A/en not_active Application Discontinuation
- 2018-05-09 CN CN201880004633.6A patent/CN110023695A/en active Pending
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| JPH0674531A (en) * | 1992-04-10 | 1994-03-15 | Sanyo Electric Co Ltd | Air-conditioner |
| JP2005049022A (en) * | 2003-07-29 | 2005-02-24 | Hitachi Ltd | Air conditioner |
| CN1967065A (en) * | 2005-11-18 | 2007-05-23 | 三星电子株式会社 | Air conditioner and method of controlling the same |
| CN102997525A (en) * | 2011-09-09 | 2013-03-27 | 珠海格力电器股份有限公司 | Air conditioner and defrosting method and device thereof |
| CN102878737A (en) * | 2012-10-10 | 2013-01-16 | 南京天加空调设备有限公司 | Method for implementing normal heating of indoor units of modular multi-unit device during defrosting |
| CN204593748U (en) * | 2015-03-03 | 2015-08-26 | 江苏维美达空调技术有限公司 | A kind of Central air-conditioning unit defrosting system |
| CN105402967A (en) * | 2015-11-18 | 2016-03-16 | 珠海格力电器股份有限公司 | Unit defrosting control method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20190075104A (en) | 2019-06-28 |
| JP2018204813A (en) | 2018-12-27 |
| WO2018221144A1 (en) | 2018-12-06 |
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