CN109564044A - Air-conditioning device - Google Patents
Air-conditioning device Download PDFInfo
- Publication number
- CN109564044A CN109564044A CN201680087606.0A CN201680087606A CN109564044A CN 109564044 A CN109564044 A CN 109564044A CN 201680087606 A CN201680087606 A CN 201680087606A CN 109564044 A CN109564044 A CN 109564044A
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- China
- Prior art keywords
- air temperature
- external air
- control device
- outdoor
- compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0315—Temperature sensors near the outdoor heat exchanger
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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
- F25B2400/01—Heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/14—Problems to be solved the presence of moisture in a refrigeration component or 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
- F25B2500/00—Problems to be solved
- F25B2500/28—Means for preventing liquid refrigerant entering into the compressor
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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
- F25B2700/2103—Temperatures near a heat exchanger
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Air-conditioning device has: outdoor unit, the external air temperature detector with compressor and detection external air temperature;Outdoor control device carries out constraint energization according to external air temperature;And Indoor Control Device, it sends to the outdoor control device for electrically connecting signal, when the operating of the compressor stops, the outdoor control device has storage unit, the external air temperature that the storage unit at regular intervals detects the external air temperature detector stores, it receives from the Indoor Control Device for after electrically connecting signal, the confession of the outdoor unit will be electrically connected, according to current external air temperature be stored in the external air temperature of storage unit and be made to determine whether to need to heat the compressor whether heating determines, in the case where being judged to needing to heat the compressor, carry out constraint energization, in the case where being judged to not needing to heat the compressor, stop the power supply to the outdoor unit.
Description
Technical field
The present invention relates to the air-conditioning devices that can reduce power consumption when compressor operation stops.
Background technique
In the past, the compressor that the outdoor unit of air-conditioning device had has the following problems: being freezing point in external air temperature
When inferior low temperature, it is trapped in the refrigerant inside compressor and condenses and liquefy, and liquefied refrigerant largely dissolves in compressor
Lubricating oil in, generate so-called refrigerant and be detained.
In addition, compressor starts immediately and starts the compression of refrigerant if starting heating operation using air-conditioning device, but
It carves at the start, the temperature of compressor becomes the temperature close to external air temperature, before the temperature of compressor sufficiently rises,
The temperature for the refrigerant being discharged from compressor will not rise.If the temperature of refrigerant, which rises, spends the time, indoor heat exchanger
Temperature rising also spend the time, therefore there are room temperature rise to as defined in the time can be spent without can be carried out until temperature
Heating such problems rapidly.
As solution to the problems described above, that is, realizes heating rapidly and refrigerant when outside air low temperature is inhibited to exist
The method being detained inside compressor considers that heater is arranged in compressor, right always during the operating of compressor stops
Heater is powered to heat compressor.But as this method, if during the operating of compressor stops always
It is powered to heater to heat compressor, then the power consumption that there is heater increases, power consumption, institute when compressor operation stops
The problem of stand-by electric of meaning increases.
It is therefore proposed that it is a kind of by preventing refrigerant to be detained inside compressor and reducing control device power consumption, thus
The air-conditioning device of stand-by electric can be reduced (for example, referring to patent document 1).
In patent document 1, in detection pattern, the temperature of compressor is obtained, uses the temperature of acquired compressor
Made fewer than detection pattern according to power consumption to calculate the change rate of the temperature of compressor when compressor stops according to the calculated result
Suspend mode acted during it is different.Then it according to the temperature of the compressor acquired in detection pattern, carries out pair
The energization of heating unit.Therefore, by suitably carrying out heating of the heating unit to compressor, so as to inhibit refrigerant to exist
Delay inside compressor, and reduce the power consumption of control device.
Patent document 1: Japanese Unexamined Patent Publication 2013-204979 bulletin
In patent document 1, the change rate of the temperature of compressor when being stopped according to compressor, and extend power consumption than detection mould
The time of the few suspend mode of formula, to reduce power consumption.But it powers in the hibernation mode to outdoor unit, therefore exist
Consume the project of this some electrical power.
Summary of the invention
The present invention is that above such project is made, and it is an object of the present invention to provide the sky for improving energy-efficient performance in order to solve
Adjust device.
Air-conditioning device of the invention has: outdoor unit, the outside air with compressor and detection external air temperature
Temperature detector;Outdoor control device carries out constraint energization according to external air temperature;And Indoor Control Device, it is right
The outdoor control device is sent for electrically connecting signal, when the operating of the compressor stops, the outdoor control device tool
There is storage unit, which at regular intervals carries out the external air temperature that the external air temperature detector detects
Storage is received from the Indoor Control Device for will electrically connect to the confession of the outdoor unit, and root after electrically connecting signal
It is made to determine whether to need to heat the pressure with the external air temperature of storage unit is stored according to current external air temperature
Contracting machine whether heating determine, in the case where being judged to needing to heat the compressor, carry out constraint energization, be determined as not
In the case where needing to heat the compressor, stop the power supply to the outdoor unit.
Air-conditioning device according to the present invention, outdoor control device outdoor unit for it is electrically disconnected when, from Indoor Control Device
It receives for connecting the power supply to outdoor unit, judging whether to need to heat compressor, be determined as in the case where electrically connecting signal
Do not need heating compressor in the case where, by outdoor unit for electrically disconnected.Therefore it can be supplied being received from Indoor Control Device
Electrically connecting for electrically disconnected, will can be improved energy-efficient performance to outdoor unit before signal.
Detailed description of the invention
Fig. 1 is the refrigerant loop figure of the air-conditioning device of embodiments of the present invention.
Fig. 2 is the functional block diagram of the air-conditioning device of embodiments of the present invention.
Fig. 3 is the constraint energization and outdoor when the compressor operation for the air-conditioning device for showing embodiments of the present invention stops
First figure on the opportunity of machine power supply.
Fig. 4 is the constraint energization and outdoor when the compressor operation for the air-conditioning device for showing embodiments of the present invention stops
Second figure on the opportunity of machine power supply.
Fig. 5 is the outdoor control device when operating of the compressor for the air-conditioning device for showing embodiments of the present invention stops
The flow chart of the process flow of the compressor computer heating control of side.
Fig. 6 is the Indoor Control Device when operating of the compressor for the air-conditioning device for showing embodiments of the present invention stops
The flow chart of the process flow of the compressor computer heating control of side.
Specific embodiment
Hereinafter, based on attached drawing, embodiments of the present invention will be described.In addition, the present invention is not by implementation described below
Mode limits.In addition, the relationship of the size of each structure member is different from actual conditions sometimes in the following figures.
Embodiment
Fig. 1 is the refrigerant loop figure of the air-conditioning device 100 of embodiments of the present invention.
As shown in Figure 1, the air-conditioning device 100 of present embodiment has indoor unit 1 and outdoor unit 2.
Indoor unit 1 has indoor heat exchanger 5, has by thermal energy or the cold energy supplied from outdoor unit 2 and to interior
The function that equal air-conditionings object space is freezed or heated.
Indoor heat exchanger 5 is functioned in refrigeration operation as evaporator, in heating operation as condenser or
Person's radiator functions, and heat exchange is carried out between refrigerant and air.
Outdoor unit 2 has compressor 3, flow channel switching valve 4, throttling set 6, outdoor heat exchanger 7 and outside air temperature
Detector 8 is spent, there is the function to 1 heat supply of indoor unit or cold energy.
The refrigerant of 3 pairs of compressor suckings is compressed and is become the state of high temperature, high pressure.Flow channel switching valve 4 is freezing
Switch the flowing of refrigerant when operating and when heating operation.In addition, flow path switching valve 4 has carried out example the case where being four-way valve
Show, but can also be constituted and combining two-port valve or triple valve etc..
Throttling set 6 is functioned as pressure reducing valve or expansion valve, and refrigerant is made to depressurize and expand.Outdoor heat exchanger
7 function in refrigeration operation as condenser or radiator, function in heating operation as evaporator, from
Heat exchange is carried out between the air and refrigerant of pressure fan supply (not shown).External air temperature detector 8 is, for example, temperature-sensitive
Resistance, infrared temperature sensor etc. detect external air temperature.
Compressor 3, flow channel switching valve 4, Indoor Thermal are handed over piping in addition, the air-conditioning device 100 of present embodiment has
Parallel operation 5, throttling set 6 and outdoor heat exchanger 7 are sequentially connected and for the refrigerant circuits of refrigerant circulation.Air-conditioning device
100 by recycling refrigerant in the refrigerant circuit, and thus, it is possible to carry out refrigeration operation or heating operation.
In addition, indoor unit 1 has Indoor Control Device 10, outdoor unit 2 has outdoor control device 20.
Indoor Control Device 10 and outdoor control device 20 are for example stored in memory by dedicated hardware or execution
CPU (the Central Processing Unit: central processing unit, also referred to as processing unit, arithmetic unit, micro process of program
Device, microcomputer, processor) it constitutes.
Fig. 2 is the functional block diagram of the air-conditioning device 100 of embodiments of the present invention.
As shown in Fig. 2, Indoor Control Device 10 has: the indoor communications portion 11 that is communicated with outdoor control device 20,
With the indoor measurement unit 12 of measurement time.
Outdoor control device 20 has: the outdoor communication portion 21 that is communicated with Indoor Control Device 10, will be to outdoor unit 2
The power management portion 22 that connects or disconnects of power supply and obtain the outside air that external air temperature detector 8 detects
The determination part 23 of the signal of temperature.And have: storage unit 24, the external air temperature that storage determination part 23 obtains;Operation
Portion 25, the current external air temperature obtained according to determination part 23 and the past outside air temperature for being stored in storage unit 24
Degree carries out operation by external air temperature (hereinafter referred to as prediction external air temperature) after a certain period of time to prediction.Also
Have: determination unit 26 determines whether the prediction external air temperature that operational part 25 calculates is greater than working as the acquirement of determination part 23
Preceding external air temperature;Driving portion 27 is judged to predicting external air temperature than current outside air in determination unit 26
In the case that temperature is big, constraint energization is carried out;And outdoor measurement unit 28, measure the time.Refer in addition, constraint is powered to pressure
Contracting machine 3 is powered and is electrically heated to compressor 3.
Outdoor control device 20 has the power-supply system different from the other structures of outdoor unit 2, even if by the confession of outdoor unit 2
It is electrically disconnected also to be communicated with Indoor Control Device 10.
In addition, in the present embodiment, have the structure of outdoor control device 20 using outdoor unit 2, however, not limited to this,
Can also use makes outdoor control device 20 and the independent structure of outdoor unit 2.
Next, being illustrated using Fig. 1 to the movement of the air-conditioning device 100 of present embodiment.
In refrigeration operation, switch flow channel switching valve 4, so that will compression i.e. as the solid line of Fig. 1 in refrigeration operation side
The discharge side of machine 3 is connect with outdoor heat exchanger 7.
The gas refrigerant for the high temperature and pressure being discharged from compressor 3 is by flow channel switching valve 4, in outdoor heat exchanger 7
The outdoor air blowed with pressure fan (not shown) carries out heat exchange and condensation liquefaction.Refrigerant after condensation liquefaction is being throttled
Device 6 is depressurized to after low pressure, is carried out heat exchange with room air in heat exchanger 5 indoors and is evaporated gasification.Then become
The refrigerant of gaseous state is inhaled into compressor 3 by flow channel switching valve 4.
In heating operation, switch flow channel switching valve 4, so that will compression i.e. as the dotted line of Fig. 1 in heating operation side
The suction side of machine 3 is connect with outdoor heat exchanger 7.
The gas refrigerant for the high temperature and pressure being discharged from compressor 3 is by flow channel switching valve 4, indoors in heat exchanger 5
Heat exchange and condensation liquefaction are carried out with room air.Refrigerant after condensation liquefaction is throttled device 6 and is depressurized to low pressure.After decompression
The outdoor air that is blowed in outdoor heat exchanger 7 with pressure fan (not shown) of refrigerant carry out heat exchange and evaporate gasification.
Then compressor 3 is inhaled by flow channel switching valve 4 as the refrigerant of gaseous state.
Fig. 3 be the air-conditioning device 100 for showing embodiments of the present invention compressor 3 operating stop when constraint be powered and
First figure on the opportunity of outdoor unit power supply, Fig. 4 are that the compressor 3 for the air-conditioning device 100 for showing embodiments of the present invention operates
Constraint when stopping is powered and second figure on the opportunity of outdoor unit power supply.
The air-conditioning device 100 of present embodiment inhibits refrigerant stagnant in 3 inside of compressor when compressor 3 operates stopping
It stays, therefore constraint energization is carried out according to external air temperature.Specifically, being in ascendant trend in external air temperature and predicting
In the case that external air temperature rises, constraint energization is carried out, is powered in the case where in addition to this without constraint.
Whether to heat judgement logical to determine whether to carry out constraint by described below for the air-conditioning device 100 of present embodiment
Electricity.
As shown in figure 3, air-conditioning device 100 at regular intervals (in the present embodiment be N point) and obtain outside air
Temperature is stored in storage unit 24 every time.Then according to current external air temperature and past external air temperature, for example
External air temperature before N points and before 2N points, the external air temperature after calculating N points by approximate expression are external empty as prediction
Temperature degree.Then if the calculated prediction external air temperature is greater than current external air temperature, it is predicted as outside
Air themperature is in ascendant trend, and constraint is powered and is connected.On the other hand, if calculated prediction external air temperature not
It greater than current external air temperature, is then predicted as external air temperature and is not at ascendant trend, be powered without constraint.
In addition, as shown in figure 4, air-conditioning device 100 breaks the power supply of outdoor unit 2 in the case where being powered without constraint
It opens.Then, indoor unit 1 measures outdoor unit 2 and disconnects time after power supply, every time on the opportunity, i.e. for being made whether that heating determines
It is sent to outdoor unit 2 for electrically connecting signal every N points, the confession of outdoor unit 2 is electrically connected.Moreover, every time by the power supply of outdoor unit 2
When connection, outdoor unit 2 is made whether that heating determines.That is, outdoor unit 2 is repeated whether heat judgement every N points.
In this way, the air-conditioning device 100 of present embodiment can be during being powered, by the power supply of outdoor unit 2 without constraint
It disconnects, therefore can be improved energy-efficient performance.
Dress is controlled outside room when Fig. 5 is the operating stopping for showing the compressor 3 of air-conditioning device 100 of embodiments of the present invention
The flow chart of the process of the compressor computer heating control processing of 20 sides is set, Fig. 6 is the air-conditioning device for showing embodiments of the present invention
100 compressor 3 operates the flow chart of the process flow of the compressor computer heating control of 10 side of Indoor Control Device when stopping.
Next, operating compressor when stopping using compressor 3 of the Fig. 5 and Fig. 6 to the air-conditioning device 100 of present embodiment
The processing of computer heating control is illustrated.
As shown in figure 5, the determination part 23 of outdoor control device 20 obtains the outside that external air temperature detector 8 detects
The signal (step S101) of air themperature.In addition, the external air temperature that determination part 23 obtains is stored in storage unit 24.And
The processing that determination part 23 obtains the signal of external air temperature carries out at regular intervals, every time by the outside air temperature of acquirement
Degree is stored in storage unit 24.
After step slol, the current external air temperature and be stored in that operational part 25 is obtained according to determination part 23
The past external air temperature in storage portion 24 calculates external air temperature after a certain period of time by approximate expression and calculates, as
It predicts external air temperature (step S102).
After step s 102, determination unit 26 is made whether that heating determines (step S103), it may be assumed that determines that operational part 25 calculates
Whether prediction external air temperature out is greater than current external air temperature.
In the case where determination unit 26 is judged to predicting that external air temperature is greater than current external air temperature, i.e. prediction
In the case where being in ascendant trend for external air temperature ("Yes" of step S103), outdoor 28 time started of measurement unit measurement
Constraint is powered and connects (step S109) by (step S108), driving portion 27.
After step S109, in the case where the measurement time of outdoor measurement unit 28 passing through certain time, that is, constrains and lead to
The time is electrically connected by ("Yes" of step S110) in the case where certain time, return step S101, determination part 23 obtains again
The signal (step S101) for the external air temperature that external air temperature detector 8 detects.
On the other hand, it is judged to predicting that external air temperature is not more than the feelings of current external air temperature in determination unit 26
Under condition, it is predicted as ("No" of step S103) in the case that external air temperature is not at ascendant trend, outdoor communication portion 21
Power supply cut-off signal (step S104) is sent to the indoor communications portion 11 of Indoor Control Device 10, power management portion 22 will be to outdoor
Machine 2 for electrically disconnected (step S105).At this point, driving portion 27 disconnects after it will constrain energization and connect.
As shown in fig. 6, (the step in the case where receiving power supply cut-off signal from outdoor communication portion 21 of indoor communications portion 11
The "Yes" of S201), the measurement (step S202) of indoor 12 time started of measurement unit.
After step S202, the measurement time of measurement unit 12 is by the case where certain time, i.e. will be right indoors
Outdoor unit 2 for by ("Yes" of step S203) in the case where certain time, indoor communications portion 11 is to outdoor after electrically disconnected
The outdoor communication portion 21 of control device 20 is sent for electrically connecting signal (step S204), and return step S201.
As shown in figure 5, being received from indoor communications portion 11 for electrically connecting letter after step S105 in outdoor communication portion 21
In the case where number ("Yes" of step S106), power management portion 22 will electrically connect (step S107) confession of outdoor unit 2, and return
Step S101, determination part 23 obtain the signal (step for the external air temperature that external air temperature detector 8 detects again
S101)。
More than, air-conditioning device 100 according to the present embodiment, when the operating of compressor 3 stops, outdoor control device 20
Current external air temperature is obtained, and according to current external air temperature and is stored in the past external empty of storage unit 24
Temperature degree calculates following external air temperature that is, prediction external air temperature.Moreover, being greater than in prediction external air temperature
Current external air temperature is predicted as in the case that external air temperature is in ascendant trend, and outdoor control device 20 is opened
Constraint is powered and connects by the measurement of time beginning.On the other hand, it is not more than current outside air temperature in prediction external air temperature
Degree is predicted as in the case that external air temperature is not at ascendant trend, and outdoor control device 20 is to Indoor Control Device 10
Send power supply cut-off signal, by outdoor unit 2 for electrically disconnected.Indoor Control Device 10 is received from outdoor control device 20
In the case where power supply cut-off signal, the measurement of time started, in the case where measuring the time by certain time, to outdoor control
Device 20 is sent for electrically connecting signal.Outdoor control device 20 is receiving the feelings for electrically connecting signal from outdoor control device 20
Under condition, the confession of outdoor unit 2 will be electrically connected, obtain current external air temperature again.
In this way, outdoor control device 20 without compressor 3 heat during, by outdoor unit 2 for electrically disconnected,
Outdoor unit 2 be in for it is electrically disconnected when, from Indoor Control Device 10 receive for electrically connect signal in the case where, will be to outdoor unit
2 confession electrically connects, and judges whether compressor 3 needs to heat, will be right in the case where being judged to not needing heating compressor 3
Outdoor unit 2 for electrically disconnected.Therefore can be before supplying to electrically connect signal from the reception of Indoor Control Device 10, it will be to outdoor unit
For electrically disconnected, energy-efficient performance can be improved.
Description of symbols: 1 ... indoor unit;2 ... outdoor units;3 ... compressors;4 ... flow channel switching valves;5 ... Indoor Thermals are handed over
Parallel operation;6 ... throttling sets;7 ... outdoor heat exchangers;8 ... external air temperature detectors;10 ... Indoor Control Devices;11…
Indoor communications portion;12 ... indoor measurement units;20 ... outdoor control devices;21 ... outdoor communication portions;22 ... power management portions;23…
Determination part;24 ... storage units;25 ... operational parts;26 ... determination units;27 ... driving portions;28 ... outdoor measurement units;100 ... air-conditionings dress
It sets.
Claims (4)
1. a kind of air-conditioning device, wherein have:
Outdoor unit, the external air temperature detector with compressor and detection external air temperature;
Outdoor control device carries out constraint energization according to external air temperature;And
Indoor Control Device sends for electrically connecting signal the outdoor control device,
When the operating of the compressor stops,
The outdoor control device has storage unit, which at regular intervals examines the external air temperature detector
The external air temperature measured is stored,
It receives from the Indoor Control Device for will be electrically connected to the confession of the outdoor unit, and root after electrically connecting signal
It is made to determine whether to need to heat the pressure with the external air temperature of storage unit is stored according to current external air temperature
Contracting machine whether heating determine,
In the case where being judged to needing to heat the compressor, constraint energization is carried out, is being judged to not needing heating the pressure
In the case where contracting machine, stop the power supply to the outdoor unit.
2. air-conditioning device according to claim 1, wherein
The Indoor Control Device is after receiving power supply cut-off signal, the measurement of time started, and passes through in the measurement time
The outdoor control device is sent for electrically connecting signal after certain time, the power supply cut-off signal is the outdoor control
Device by the outdoor unit for it is electrically disconnected when the signal that sends.
3. air-conditioning device according to claim 1 or 2, wherein
The outdoor control device has:
Communication unit is received from the Indoor Control Device for electrically connecting signal;
Power management portion is received in the communication unit for connecting the power supply to the outdoor unit after electrically connecting signal;
Determination part obtains the signal for the external air temperature that the external air temperature detector detects;
The storage unit stores the external air temperature that the determination part obtains;
Operational part, the external air temperature obtained according to the determination part and the past external sky for being stored in the storage unit
Temperature degree carries out operation to by prediction external air temperature after a certain period of time;And
Determination unit carries out determining whether the prediction external air temperature is greater than the external air temperature that the determination part obtains
Described whether heat judgement;And
Driving portion is determined as that the prediction external air temperature is greater than the external sky that the determination part obtains in the determination unit
In the case where temperature degree, connects constraint and is powered,
The power management portion is determined as that the prediction external air temperature is the outer of determination part acquirement in the determination unit
In portion's air themperature situation below, the power supply to the outdoor unit is disconnected.
4. air-conditioning device according to any one of claims 1 to 3, wherein
The outdoor control device connect constraint be powered when the time started measurement, measurement the time by certain time it
Afterwards, judgement whether is heated described in carrying out.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2016/073870 WO2018033955A1 (en) | 2016-08-16 | 2016-08-16 | Air conditioning device |
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CN109564044A true CN109564044A (en) | 2019-04-02 |
CN109564044B CN109564044B (en) | 2020-08-21 |
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CN201680087606.0A Active CN109564044B (en) | 2016-08-16 | 2016-08-16 | Air conditioner |
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EP (1) | EP3321603B1 (en) |
JP (1) | JP6576566B2 (en) |
CN (1) | CN109564044B (en) |
AU (1) | AU2016420272B2 (en) |
SG (1) | SG11201810217QA (en) |
WO (1) | WO2018033955A1 (en) |
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CN108548281B (en) * | 2018-06-12 | 2020-06-26 | 海信(山东)空调有限公司 | Control method of air conditioner |
US20220214068A1 (en) * | 2019-06-24 | 2022-07-07 | Mitsubishi Electric Corporation | Air-conditioning device and air-conditioning system |
CN112984881B (en) * | 2021-03-05 | 2023-03-24 | 四川长虹空调有限公司 | Liquid return judgment method and system for compressor of refrigeration system |
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- 2016-08-16 WO PCT/JP2016/073870 patent/WO2018033955A1/en active Application Filing
- 2016-08-16 EP EP16908357.3A patent/EP3321603B1/en active Active
- 2016-08-16 SG SG11201810217QA patent/SG11201810217QA/en unknown
- 2016-08-16 JP JP2018534219A patent/JP6576566B2/en active Active
- 2016-08-16 AU AU2016420272A patent/AU2016420272B2/en active Active
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CN101331366A (en) * | 2005-12-16 | 2008-12-24 | 大金工业株式会社 | Air conditioner |
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Also Published As
Publication number | Publication date |
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JP6576566B2 (en) | 2019-09-18 |
AU2016420272B2 (en) | 2019-07-04 |
WO2018033955A1 (en) | 2018-02-22 |
EP3321603B1 (en) | 2019-05-22 |
EP3321603A1 (en) | 2018-05-16 |
EP3321603A4 (en) | 2018-05-30 |
CN109564044B (en) | 2020-08-21 |
JPWO2018033955A1 (en) | 2018-11-22 |
SG11201810217QA (en) | 2019-03-28 |
AU2016420272A1 (en) | 2018-12-13 |
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