CN109564044A - Air-conditioning device - Google Patents

Air-conditioning device Download PDF

Info

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
Authority
CN
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.)
Granted
Application number
CN201680087606.0A
Other languages
Chinese (zh)
Other versions
CN109564044B (en
Inventor
木幡真乃介
富田雅史
福井孝史
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN109564044A publication Critical patent/CN109564044A/en
Application granted granted Critical
Publication of CN109564044B publication Critical patent/CN109564044B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031Sensor arrangements
    • F25B2313/0315Temperature sensors near the outdoor heat exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General 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
    • F25B2400/01Heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/14Problems to be solved the presence of moisture in a refrigeration component or cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00Problems to be solved
    • F25B2500/28Means for preventing liquid refrigerant entering into the compressor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21Temperatures
    • F25B2700/2103Temperatures near a heat exchanger

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

Air-conditioning device
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.
CN201680087606.0A 2016-08-16 2016-08-16 Air conditioner Active CN109564044B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/073870 WO2018033955A1 (en) 2016-08-16 2016-08-16 Air conditioning device

Publications (2)

Publication Number Publication Date
CN109564044A true CN109564044A (en) 2019-04-02
CN109564044B CN109564044B (en) 2020-08-21

Family

ID=61196491

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680087606.0A Active CN109564044B (en) 2016-08-16 2016-08-16 Air conditioner

Country Status (6)

Country Link
EP (1) EP3321603B1 (en)
JP (1) JP6576566B2 (en)
CN (1) CN109564044B (en)
AU (1) AU2016420272B2 (en)
SG (1) SG11201810217QA (en)
WO (1) WO2018033955A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108548281B (en) * 2018-06-12 2020-06-26 海信(山东)空调有限公司 Control method of air conditioner
JP7112037B2 (en) * 2019-06-24 2022-08-03 三菱電機株式会社 Air conditioners and air conditioning systems
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008064447A (en) * 2006-08-11 2008-03-21 Daikin Ind Ltd Refrigeration device
CN101331366A (en) * 2005-12-16 2008-12-24 大金工业株式会社 Air conditioner
JP2014145535A (en) * 2013-01-29 2014-08-14 Mitsubishi Electric Corp Refrigeration cycle device
CN104350338A (en) * 2012-04-27 2015-02-11 三菱电机株式会社 Air conditioning device
CN204574296U (en) * 2014-02-26 2015-08-19 三菱电机株式会社 Off-premises station and use the aircondition of this off-premises station
CN105466095A (en) * 2016-01-25 2016-04-06 珠海格力电器股份有限公司 Electrical heating control method, device and system for low-temperature refrigerating air conditioning unit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000193325A (en) * 1998-12-25 2000-07-14 Matsushita Electric Ind Co Ltd Air conditioner equipment
WO2008018381A1 (en) * 2006-08-11 2008-02-14 Daikin Industries, Ltd. Refrigeration device
JP2008286419A (en) * 2007-05-15 2008-11-27 Panasonic Corp Air conditioning device
JP2012241916A (en) * 2011-05-16 2012-12-10 Fujitsu General Ltd Air conditioner
JP2013204979A (en) 2012-03-29 2013-10-07 Fujitsu General Ltd Air conditioner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101331366A (en) * 2005-12-16 2008-12-24 大金工业株式会社 Air conditioner
JP2008064447A (en) * 2006-08-11 2008-03-21 Daikin Ind Ltd Refrigeration device
CN104350338A (en) * 2012-04-27 2015-02-11 三菱电机株式会社 Air conditioning device
JP2014145535A (en) * 2013-01-29 2014-08-14 Mitsubishi Electric Corp Refrigeration cycle device
CN204574296U (en) * 2014-02-26 2015-08-19 三菱电机株式会社 Off-premises station and use the aircondition of this off-premises station
CN105466095A (en) * 2016-01-25 2016-04-06 珠海格力电器股份有限公司 Electrical heating control method, device and system for low-temperature refrigerating air conditioning unit

Also Published As

Publication number Publication date
EP3321603A1 (en) 2018-05-16
WO2018033955A1 (en) 2018-02-22
JP6576566B2 (en) 2019-09-18
CN109564044B (en) 2020-08-21
AU2016420272B2 (en) 2019-07-04
SG11201810217QA (en) 2019-03-28
AU2016420272A1 (en) 2018-12-13
EP3321603B1 (en) 2019-05-22
EP3321603A4 (en) 2018-05-30
JPWO2018033955A1 (en) 2018-11-22

Similar Documents

Publication Publication Date Title
EP2320168B1 (en) Heat pump device
AU2010222517B2 (en) Air conditioning device
EP2102570B1 (en) Methods and systems for controlling air conditioning systems having a cooling mode and a free-cooling mode
US20100070082A1 (en) Methods and systems for controlling an air conditioning system operating in free cooling mode
US20110167852A1 (en) Air-conditioning refrigerating system
CN105091251B (en) The control method and control device of transducer air conditioning
US20170198945A1 (en) Air-conditioning apparatus
CN108603709A (en) A method of the fan for controlling steam compression system according to variable temperature set point
CN109564044A (en) Air-conditioning device
JPWO2018185923A1 (en) Outdoor unit of air conditioner
CN112032941A (en) Control method of air conditioner
AU2013275605B2 (en) Refrigerating Device
CN108885022B (en) Air conditioner outlet air temperature estimation device and computer readable recording medium
JP2015021628A (en) Air conditioner
EP2885588B1 (en) A system and method for improving efficiency of a refrigerant based system
JP6716024B2 (en) Air conditioner
US11774151B1 (en) Heat pump reversing valve fault detection system
JP2006170505A (en) Air conditioner
JP2004205163A (en) Refrigerating plant
JPWO2021044507A1 (en) Refrigeration cycle device
JP2002106474A (en) Compressor
KR20100112945A (en) Air conditioner and the controlling method
KR20100003583A (en) Control method of air-conditioner

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant