CN104896687B - Air conditioner, outdoor unit and its powered communication control system - Google Patents
Air conditioner, outdoor unit and its powered communication control system Download PDFInfo
- Publication number
- CN104896687B CN104896687B CN201510243154.8A CN201510243154A CN104896687B CN 104896687 B CN104896687 B CN 104896687B CN 201510243154 A CN201510243154 A CN 201510243154A CN 104896687 B CN104896687 B CN 104896687B
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- Prior art keywords
- module
- outdoor unit
- switch
- communication
- air conditioner
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Classifications
-
- 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
-
- 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
-
- 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
Abstract
The invention belongs to field of air conditioning, more particularly to a kind of air conditioner, outdoor unit and its powered communication control system.In normal work, the communication signal current detected is converted into corresponding low and high level and exported to integration module by the communication check module in outdoor unit powered communication control system, output voltage carrys out the break-make of controlling switch module after integration module is handled, switch module conducting, then switch power module normal work, and the current loop communication circuit normal work of whole air conditioner；Into after holding state, due to no communication signal current, then communication check module exports low level always, the voltage of integration module output is less than the conducting voltage of switch module, switch module is operated in cut-off state, then controlling switch power module does not also work, and whole air conditioner is in low-power consumption standby state, and the existing air conditioner powered by outdoor unit is solved well, and power consumption is too high, can not meet the technical problem of low energy consumption requirement when standby.
Description
Technical field
The invention belongs to field of air conditioning, more particularly to a kind of air conditioner, outdoor unit and its powered communication control system.
Background technology
At present, because countries in the world are progressively paid attention to environmental issue, the standby energy consumption requirement of higher standard is constantly released, because
This each household electrical appliances producer all is being directed to reducing the standby energy consumption of household appliances.
For the transducer air conditioning of in the market, there are the most times in holding state, and stand-by power consumption
It is higher.Air conditioner generally comprises indoor set and outdoor unit, and is typically to supply electricity to outdoor unit by indoor set, if entered to air conditioner
Row low-power consumption standby is designed, it will usually by the way of indoor set carries out dump to outdoor unit, so that outdoor unit falls completely
Electricity, so as to reduce the stand-by power consumption of outdoor unit.
But, if air conditioner is that the load (such as indoor fan, stepper motor) in power supply, indoor set is provided by outdoor unit
There is provided power supply by outdoor unit, then indoor set and outdoor unit are set up by live wire, zero line, ground wire and signal wire and connected, indoor set and
Outdoor unit is kept in communication by existing current loop communication circuit, and the master controller of indoor set is the main control part of air conditioner,
The load of indoor set and outdoor unit is all controlled by the master controller of indoor set, and the control signal of indoor set load is by indoor set
Master controller directly send, and the control letter of outdoor unit load (such as outdoor electric-controlled plate, compressor, four-way valve, outdoor fan)
Number then sent by the master controller of indoor set by current-loop communication circuit to the master controller of outdoor unit, then by the master of outdoor unit
Controller controls the operation that outdoor unit is loaded according to control signal.If it follows that the complete machine power supply of air conditioner is carried by outdoor unit
For, then when complete machine is in holding state, the load in outdoor unit can cause air conditioner still in live line work state
Because standby power is high, and low energy consumption requirement can not be met.
The content of the invention
In view of this, the purpose of the present invention is to be to provide a kind of air conditioner, outdoor unit and its powered communication control system,
Aim to solve the problem that the existing air conditioner powered by outdoor unit power consumption is too high, can not meet the technology of low energy consumption requirement when standby and ask
Topic.
In a first aspect, the powered communication control system for the air-conditioner outdoor unit that the present invention is provided, respectively with the master of outdoor unit
Controller and IPM modules connect, and are communicated by live wire, zero line and signal conversion module with indoor set, including：
First rectifier bridge, the second rectifier bridge, communication check module, integration module, switch module and switch power module；Institute
State the first rectifier bridge to be connected between AC power and the IPM modules, the input termination AC power of second rectifier bridge,
The positive output end of second rectifier bridge simultaneously connects the input and the switch power module of the communication check module
Positive pole is inputted, the first output end of the communication check module is connected by the signal conversion module with indoor set, it is described logical
Second output end of letter detection module is connected with the input of the integration module, is opened described in the output termination of the integration module
The control end of module is closed, the high potential of the switch module terminates the input negative pole of the switch power module, the switch electricity
Two output ends of source module connect the master controller and the IPM modules respectively；
During normal work, the communication signal current detected is converted into corresponding low and high level by the communication check module
Export to the integration module, output voltage controls the break-make of the switch module, institute after the integration module is handled
State switch module conducting, the then switch power module normal work, and the normal work of current loop communication circuit of whole air conditioner
Make；Into after holding state, due to no communication signal current, then the communication check module exports low level always, described
The voltage of integration module output is less than the conducting voltage of switch module, and the switch module is operated in cut-off state, the switch
Power module does not also work, and whole air conditioner is in low-power consumption standby state.
Second aspect, the outdoor unit for the air conditioner that the present invention is provided, it is entered by live wire, zero line and signal wire and indoor set
Row communication, except including signal conversion module, master controller, IPM modules and in addition to the load that the IPM modules are connected,
As an improvement, further comprises powered communication control system as described above.
The third aspect, the present invention also provides a kind of air conditioner.The air conditioner includes indoor set and outdoor unit, and outdoor unit passes through
Live wire, zero line and signal conversion module are communicated with indoor set.The outdoor unit except including master controller, IPM modules and
The load being connected with the IPM modules, further comprises the powered communication control system described in as above first aspect.
Air conditioner, outdoor unit and its powered communication control system that the present invention is provided, in normal work, outdoor unit is powered
Communication check module in communication control system by the communication signal current detected be converted into corresponding low and high level export to
Integration module, output voltage comes the break-make of controlling switch module, then switch module conducting, switch electricity after integration module is handled
Source module normal work, and the current loop communication circuit normal work of whole air conditioner；Into after holding state, due to not leading to
Believe signal code, then communication check module exports low level always, the voltage of integration module output is less than the conducting of switch module
Voltage, switch module is operated in cut-off state, then controlling switch power module does not also work, and whole air conditioner is treated in low-power consumption
Machine state, the existing air conditioner powered by outdoor unit is solved well power consumption is too high when standby, low energy consumption can not be met will
The technical problem asked.
Brief description of the drawings
Fig. 1 is the structured flowchart of the powered communication control system of air-conditioner outdoor unit provided in an embodiment of the present invention；
Fig. 2 is the structural representation of the powered communication control system for the air-conditioner outdoor unit that one embodiment of the present invention is provided
Figure；
Fig. 3 is the structural representation of the outdoor unit of air conditioner provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the structured flowchart of the powered communication control system of air-conditioner outdoor unit provided in an embodiment of the present invention；In order to
It is easy to explanation, illustrate only part related to the present embodiment, as shown in the figure：
The powered communication control system of air-conditioner outdoor unit, respectively with master controller MCU and IPM the module phase of outdoor unit
Connect, and communicated by live wire L, zero line N and signal conversion module with indoor set.Dashed lines shown in inframe, outdoor unit
Powered communication control system include：First rectifier bridge 10, the second rectifier bridge 20, communication check module 30, integration module 40, open
Close module 50 and switch power module 60.First rectifier bridge 10 is connected between AC power AC and IPM module, the second rectifier bridge
20 input termination AC power, the positive output end of the second rectifier bridge 20 is also turned on the input of letter detection module 30 and opened
The input positive pole P ends of powered-down source module 60, the first output end of communication check module 30 passes through signal conversion module and indoor set
Connect, the second output end of communication check module 30 is connected with the input of integration module 40, the output termination of integration module 40
The control end of switch module 50, the high potential of switch module 50 terminates the input negative pole N-terminal of switch power module 60, Switching Power Supply
Two output ends of module 60 connect master controller MCU and IPM module respectively.
The powered communication control system of air-conditioner outdoor unit according to Fig. 1, air conditioner is in normal work, communication inspection
The communication signal current detected is converted into corresponding low and high level and exported to integration module 40, integration module 40 by survey module 30
Output voltage carrys out the break-make of controlling switch module 50 after being handled.When the voltage that integration module 40 is exported is more than or equal to switch
During the conducting voltage of module 50, switch module 50 turns on, the then normal work of switch power module 60, and whole air conditioner room unit
With the current loop communication circuit of outdoor unit also normal work.Air conditioner enters after holding state, due to no communication signal current,
Then communication check module 30 exports low level always, and the voltage that integration module 40 is exported is less than the conducting voltage of switch module 50,
Switch module 50 is just operated in cut-off state, and switch power module 60 does not also work, and whole air conditioner is in low-power consumption standby shape
State.
Fig. 2 shows the structural representation of the powered communication control system for the air-conditioner outdoor unit that a preferred embodiment is provided
Figure, likewise, for convenience of description, illustrate only part related to the present embodiment.
As a preferred embodiment, the first rectifier bridge 10 and the second rectifier bridge 20 can be that full-bridge rectification or half-wave are whole
Stream.Specifically, the first rectifier bridge 10 is connected between AC power and IPM modules, the input termination exchange of the second rectifier bridge 20
Power supply, the positive output end V+ of the second rectifier bridge be also turned on letter detection module 30 input and switch power module 60 it is defeated
Enter positive pole P ends.The internal structure of switch power module 60 is not showed that in the present embodiment, actually any one Switching Power Supply
Circuit module is all desirable, is connect as long as it inputs the positive output end V+ of positive pole P the second rectifier bridges of termination, input negative pole N-terminal
The hot end of switch module 50.
Further, as a preferred embodiment, communication check module 30 includes the first optocoupler IC1 and its peripheral circuit.
Specifically, the anode of the first optocoupler IC1 transmitting terminal diodes meets the zero line N of AC power, the first optocoupler IC1 transmitting terminal diodes
Negative electrode connect the input of signal conversion module, the colelctor electrode of the first optocoupler IC1 receiving terminal triodes connects the second rectifier bridge 20
Positive output end V+, transmitting extremely the second output end of communication check module 30 and product of the first optocoupler IC1 receiving terminal triodes
The input of sub-module 40 is connected.When implementing, the colelctor electrode and the second rectifier bridge of the first optocoupler IC1 receiving terminal triodes
A dropping resistor can be concatenated between 20 positive output end V+, to reduce impact of the high direct voltage to the first optocoupler IC1.
As a preferred embodiment, integration module 40 includes resistance R1 and electric capacity C1 in parallel；Resistance R1 and electric capacity C1 is total to
The first end connect is also turned on the second output end of letter detection module 30 and the control end of switch module 50, resistance R1 and electric capacity C1
The the second end ground connection connect altogether.
Further, when implementing, as illustrated, integration module 40 can also include resistance R2；Resistance R2 is concatenated
Between the second output end and resistance R1 of communication check module 30.
As a preferred embodiment, switch module 50 includes NPN type triode Q1 and its peripheral circuit；Specifically, NPN type
Triode Q1 base stage is the control end of switch module 50, and the output end of integration module 40, the pole of NPN type three are connect by a resistance R4
The hot end of pipe Q1 current collection extremely switch module 50, the low potential of NPN type triode Q1 transmitting extremely switch module 50
End.In the illustrated embodiment, NPN type triode Q1 colelctor electrode connects the input negative pole N-terminal of the chips of switch power module 60,
NPN type triode Q1 grounded emitter.
In fact, in specific implementation process, switch module 50 can also be made up of NMOS tube and its peripheral circuit.Specifically
For, the grid of NMOS tube as switch module 50 control end, it is furthermore preferred that the grid of NMOS tube can also pass through a resistance
Connect the output end of integration module 40.The drain electrode of NMOS tube is the hot end of switch module 50, and the source electrode of NMOS tube is switching molding
The cold end of block 50.When implementing, the drain electrode of NMOS tube connects the input negative pole N-terminal of the chips of switch power module 60,
The source electrode of NMOS tube is then grounded.
On the other hand, the embodiment of the present invention also provides a kind of outdoor unit of air conditioner.Fig. 3 is that the embodiment of the present invention is provided
Air-conditioner outdoor unit structured flowchart.
Referring to Fig. 3, the outdoor unit of the air conditioner is communicated by live wire L, zero line N and signal wire S with indoor set, including
Signal conversion module 410, master controller 420, IPM modules 430 and load 440 for being connected with IPM modules etc., as an improvement,
The outdoor unit also includes a powered communication control system 300.The powered communication control system 300 includes the first rectifier bridge 310, the
Two rectifier bridges 320, communication check module 330, integration module 340, switch module 350 and switch power module 360；Also, the
One rectifier bridge 310 is connected between AC power and IPM modules 430, the input termination AC power of the second rectifier bridge 320, the
The positive output end of two rectifier bridges 330 is being also turned on the input of the input and switch power module 360 of letter detection module 330 just
Pole P ends, the first output end of communication check module 330 is connected by signal conversion module 410 with indoor set, communication check module
330 the second output end is connected with the input of integration module 340, the control of the output termination switch module 350 of integration module 340
End processed, the high potential of switch module 350 terminates the input negative pole N-terminal of switch power module 360, the two of switch power module 360
Individual output end connects master controller 420 and IPM modules 430 respectively.
As a preferred embodiment, outdoor unit can also be connected to the first rectifier bridge 310 and IPM modules 430 including one
Between filtration module 450.As shown in figure 3, filtration module 450 includes two electric capacity C2 and electric capacity C3 in parallel.
Finally, the embodiment of the present invention also provides a kind of air conditioner.The air conditioner includes indoor set and outdoor unit, also, makees
To improve, the outdoor unit of the air conditioner is outdoor unit as shown in Figure 3, to include powered communication control system 300.
In summary, air conditioner provided in an embodiment of the present invention, outdoor unit and its powered communication control system, in normal work
When making, the communication signal current detected is converted into accordingly by the communication check module in outdoor unit powered communication control system
Low and high level is exported to integration module, and output voltage comes the break-make of controlling switch module, switching molding after integration module is handled
Block conducting, then switch power module normal work, and the current loop communication circuit normal work of whole air conditioner；Into standby shape
After state, due to no communication signal current, then communication check module exports low level always, and the voltage of integration module output is less than
The conducting voltage of switch module, switch module is operated in cut-off state, then controlling switch power module does not also work, whole air-conditioning
Device is in low-power consumption standby state, solves that existing power consumption is too high, nothing when standby by air conditioner that outdoor unit is powered well
Method meets the technical problem of low energy consumption requirement.
It is worth noting that, in above-described embodiment, included unit is simply divided according to function logic,
But above-mentioned division is not limited to, as long as corresponding function can be realized；In addition, the specific name of each functional unit
Only to facilitate mutually distinguishing, the protection domain being not intended to limit the invention.
In addition, one of ordinary skill in the art will appreciate that realizing all or part of step in the various embodiments described above method
It can be by program to instruct the hardware of correlation to complete, corresponding program can be stored in embodied on computer readable storage Jie
In matter, described storage medium, such as ROM/RAM, disk or CD.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention has been carried out relatively to be described in detail, for those skilled in the art, it still can be to foregoing each reality
The technical scheme described in example is applied to modify or carry out equivalent substitution to which part technical characteristic.It is all the present invention
Any modifications, equivalent substitutions and improvements made within spirit and principle etc., should be included in the scope of the protection.
Claims (9)
1. a kind of powered communication control system of air-conditioner outdoor unit, connects with the master controller and IPM modules of outdoor unit respectively,
And communicated by live wire, zero line and signal conversion module with indoor set, it is characterised in that the powered communication of the outdoor unit
Control system includes：
First rectifier bridge, the second rectifier bridge, communication check module, integration module, switch module and switch power module；Described
One rectifier bridge is connected between AC power and the IPM modules, the input termination AC power of second rectifier bridge, described
The positive output end of second rectifier bridge connects the input of the input and the switch power module of the communication check module simultaneously
Positive pole, the first output end of the communication check module is connected by the signal conversion module with indoor set, the communication inspection
The second output end for surveying module is connected with the input of the integration module, and the output of the integration module terminates the switching molding
The control end of block, the high potential of the switch module terminates the input negative pole of the switch power module, the Switching Power Supply mould
Two output ends of block connect the master controller and the IPM modules respectively；
During normal work, the communication signal current detected is converted into corresponding low and high level and exported by the communication check module
To the integration module, output voltage controls the break-make of the switch module after the integration module is handled, described to open
Pass module conducting, then the switch power module normal work, and the current loop communication circuit normal work of whole air conditioner；Enter
Enter after holding state, due to no communication signal current, then the communication check module exports low level, the integration mould always
The voltage of block output is less than the conducting voltage of switch module, and the switch module is operated in cut-off state, the Switching Power Supply mould
Block does not also work, and whole air conditioner is in low-power consumption standby state；
The communication check module includes the first optocoupler and its peripheral circuit；
The anode of the first optocoupler transmitting terminal diode connects the zero line of AC power, the first optocoupler transmitting terminal diode
Negative electrode connects the input of the signal conversion module, and the colelctor electrode of the first optocoupler receiving terminal triode connects second rectification
The positive output end of bridge, the second output of the extremely described communication check module of transmitting of the first optocoupler receiving terminal triode
Hold, be connected with the input of the integration module.
2. the powered communication control system of air-conditioner outdoor unit as claimed in claim 1, it is characterised in that the integration module
Including resistance R1 and electric capacity C1 in parallel；
The first end that the resistance R1 and the electric capacity C1 connect altogether is while meet the second output end and the institute of the communication check module
The control end of switch module is stated, the second end ground connection that the resistance R1 and the electric capacity C1 connect altogether.
3. the powered communication control system of air-conditioner outdoor unit as claimed in claim 2, it is characterised in that the integration module
Also include resistance R2；
The resistance R2 is serially connected between the second output end of the communication check module and the resistance R1 ungrounded end.
4. the powered communication control system of air-conditioner outdoor unit as claimed in claim 1, it is characterised in that the switch module
Including NPN type triode and its peripheral circuit；
The base stage of the NPN type triode is the control end of the switch module, and the current collection of the NPN type triode is extremely described
The hot end of switch module, the cold end of the extremely described switch module of transmitting of the NPN type triode.
5. the powered communication control system of air-conditioner outdoor unit as claimed in claim 1, it is characterised in that the switch module
Including NMOS tube and its peripheral circuit；
The grid of the NMOS tube is the control end of the switch module, and the drain electrode of the NMOS tube is the height of the switch module
Potential end, the source electrode of the NMOS tube is the cold end of the switch module.
6. the powered communication control system of air-conditioner outdoor unit as claimed in claim 1, it is characterised in that first rectification
Bridge and the second rectifier bridge are full-bridge rectification or halfwave rectifier.
7. a kind of outdoor unit of air conditioner, is communicated by live wire, zero line and signal wire with indoor set, including signal modulus of conversion
Block, master controller, IPM modules and the load being connected with the IPM modules, it is characterised in that the outdoor unit is also included such as
Powered communication control system described in claim any one of 1-6.
8. the outdoor unit of air conditioner as claimed in claim 7, it is characterised in that the outdoor unit also includes being connected to described first
Filtration module between rectifier bridge and the IPM modules；
The filtration module includes electric capacity C2 and electric capacity C3 in parallel.
9. a kind of air conditioner, including indoor set and outdoor unit, it is characterised in that the outdoor unit is as described in claim 7 or 8
Outdoor unit.
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| CN201510243154.8A CN104896687B (en) | 2015-05-13 | 2015-05-13 | Air conditioner, outdoor unit and its powered communication control system |
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| CN201510243154.8A CN104896687B (en) | 2015-05-13 | 2015-05-13 | Air conditioner, outdoor unit and its powered communication control system |
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| CN104896687B true CN104896687B (en) | 2017-07-28 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270862A (en) * | 2018-10-01 | 2019-01-25 | 珠海格力电器股份有限公司 | Apparatus control method, control device and the equipment using the control device |
| CN111609481A (en) * | 2019-02-26 | 2020-09-01 | 珠海格力电器股份有限公司 | Air conditioner power supply system, air conditioner power supply method and device and air conditioner |
| CN110173871B (en) * | 2019-05-10 | 2022-04-15 | 广东美的制冷设备有限公司 | Communication control method and device of air conditioner and air conditioner |
| CN110173804A (en) * | 2019-05-10 | 2019-08-27 | 广东美的制冷设备有限公司 | Air conditioner and its communication control method, device |
| CN111976415B (en) * | 2019-05-23 | 2022-02-11 | 广东美的制冷设备有限公司 | Outdoor unit electric control device and vehicle-mounted air conditioner |
| CN112524686B (en) * | 2020-11-30 | 2023-01-13 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN112762525B (en) * | 2020-12-31 | 2023-09-08 | 佛山市顺德区美的电子科技有限公司 | Air conditioner outdoor unit control circuit, electric control assembly and air conditioner |
| CN113568354B (en) * | 2021-07-31 | 2023-02-21 | 佛山市顺德区美的电子科技有限公司 | Standby control circuit, control method, system and device and air conditioner |
| CN114001439B (en) * | 2021-11-30 | 2023-04-25 | 海信（广东）空调有限公司 | Air conditioner and control device and method thereof |
| CN114963477A (en) * | 2022-06-07 | 2022-08-30 | 海信空调有限公司 | Outdoor unit, communication control method thereof and air conditioner |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1271067A4 (en) * | 2000-04-03 | 2009-11-11 | Daikin Ind Ltd | Air conditioner |
| CN203571958U (en) * | 2012-12-20 | 2014-04-30 | 三菱电机株式会社 | Air conditioner |
| CN104024754A (en) * | 2011-12-28 | 2014-09-03 | 大金工业株式会社 | Air Conditioning Device |
| CN203823998U (en) * | 2014-01-02 | 2014-09-10 | 海尔集团公司 | Air conditioner and low power consumption control circuit thereof |
-
2015
- 2015-05-13 CN CN201510243154.8A patent/CN104896687B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1271067A4 (en) * | 2000-04-03 | 2009-11-11 | Daikin Ind Ltd | Air conditioner |
| CN104024754A (en) * | 2011-12-28 | 2014-09-03 | 大金工业株式会社 | Air Conditioning Device |
| CN203571958U (en) * | 2012-12-20 | 2014-04-30 | 三菱电机株式会社 | Air conditioner |
| CN203823998U (en) * | 2014-01-02 | 2014-09-10 | 海尔集团公司 | Air conditioner and low power consumption control circuit thereof |
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