CN204704926U - Aircondition - Google Patents
Aircondition Download PDFInfo
- Publication number
- CN204704926U CN204704926U CN201520118453.4U CN201520118453U CN204704926U CN 204704926 U CN204704926 U CN 204704926U CN 201520118453 U CN201520118453 U CN 201520118453U CN 204704926 U CN204704926 U CN 204704926U
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- Prior art keywords
- running
- premises station
- indoor set
- indoor
- outdoor
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/59—Remote control for presetting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
Abstract
A kind of aircondition, possesses: off-premises station (1), with indoor set (11), it is connected with off-premises station (1) via refrigerant piping, and carry out indoor air conditioning together with off-premises station (1) based on the operation to remote controller (16), be provided with at off-premises station (1): shutdown switch (4a) and recovery switch (4b), with microcomputer (3), when carrying out indoor air conditioning, when carrying out making operation to shutdown switch (4a), this microcomputer (3) makes the running of indoor set (11) and the running of off-premises station (1) stop and stopping indoor air conditioning, when being made indoor air conditioning be in halted state by the making operation to shutdown switch (4a), when carrying out making operation to recovery switch (4b), this microcomputer (3) makes the running of indoor set (11) restart, indoor set (11) is utilized to carry out indoor air conditioning together with off-premises station (1).
Description
Technical field
The utility model relates to a kind of aircondition, and it possesses the function being made the running of indoor set stop when carrying out the maintenance of off-premises station by off-premises station.
Background technology
As existing aircondition, there is following structure, it is provided with running operation switch at off-premises station, and with the beginning of the beginning carrying out refrigerant-recovery turn-on time accordingly of this running operation switch, test running, operate any action (such as with reference to patent document 1) stopped.
In addition, as existing aircondition, there is following structure, it is provided with test running switch and shutdown switch at off-premises station, when by test running switch connection, starts test running, when being connected by shutdown switch, stop test running (such as with reference to patent document 2).
Further, as existing aircondition, there is following structure, it is provided with test running switch at off-premises station, is made multiple indoor set operate (such as with reference to patent document 3) successively individually by this test running switch.
Aforesaid aircondition all to make the running of aircondition be in premised on the situation of halted state, once, after shutting down, being operated by off-premises station being positioned at indoor remote controller operation.
Patent document 1: Japanese Unexamined Patent Publication 2011-202924 publication (3rd ~ 4 pages, 1st ~ 3 figure)
Patent document 2: Japanese Unexamined Patent Publication 2009-144990 publication (3rd ~ 4 pages, the 1st figure)
Patent document 3: Japanese Unexamined Patent Publication 2001-324197 publication (2nd ~ 3 pages, the 1st figure, the 4th figure)
Existing aircondition as described above, when making running stop because maintenance waits, needs to utilize the remote controller being arranged at indoor to carry out shut-down operation.Therefore, when carrying out the maintenance of outdoor pusher side, need again turn back to indoor and operate remote controller.According to the difference of the setting model of aircondition, sometimes needing the plenty of time to make running recover, in addition, when the indoor being provided with indoor set cannot be entered into, there is the problem that cannot make the running stopping of indoor set etc.
Utility model content
The utility model produces to solve problem as described above, and its first object is to obtain a kind of aircondition, when carrying out the maintenance of off-premises station, the running of indoor set can be made by off-premises station to stop, and running can be made to restart.
In addition, its second object is to obtain a kind of aircondition, after the running stopping making indoor set due to the maintenance to off-premises station, cannot be operated by remote controller.
Aircondition of the present utility model possesses: off-premises station; And indoor set, it is connected with described off-premises station via refrigerant piping, and carry out indoor air conditioning together with described off-premises station based on the operation to remote controller, described off-premises station possesses outdoor control substrate, compressor, cross valve, outdoor heat converter, expansion valve and outdoor draft fan, described outdoor heat converter plays a role as condenser when cooling operation, playing a role as evaporimeter when heating running, being provided with at described outdoor control substrate: the microcomputer that off-premises station controls; Shutdown switch, it stops for making the running of aircondition; Recover switch, it recovers for making the running of aircondition; And outdoor communication circuit, described microcomputer possesses outdoor control part, running for carrying out described compressor controls, control with cooling operation or the Vavle switching that heats the corresponding described cross valve that operates, the aperture of described expansion valve controls and the running of described outdoor draft fan controls, and the stop signal that the running of described indoor set is stopped or running restoring signal that the running of described indoor set is recovered are sent to described indoor set via described outdoor communication circuit by described microcomputer.
According to the utility model, when carrying out indoor air conditioning, when carrying out making operation to shutdown switch, the running of indoor set and the running of off-premises station is made to stop and stopping indoor air conditioning, when being made indoor air conditioning be in halted state by the making operation to shutdown switch, when carrying out making operation to recovery switch, the running of indoor set being restarted, utilizing indoor set to carry out indoor air conditioning together with off-premises station.By this structure, the remote controller of indoor set is not operated and the running of indoor set just can be made to stop, recovering.Thus, when carrying out the maintenance of off-premises station, without the need to by operating and the pusher side labour that makes running stop indoor, therefore, it is possible to shortening maintenance time being arranged at indoor remote controller.In addition, even if when the indoor being provided with indoor set cannot be entered into, also can safeguard.
Preferably, described indoor set is provided with room control unit, when stopped running by the making operation to described shutdown switch, it is invalid that this room control unit makes the operation of described remote controller.
Preferably, make invalid to the operation of described remote controller after, described room control unit makes the display part of this remote controller show the invalid situation of operation.
Preferably, when being stopped indoor air conditioning by the making operation to described shutdown switch, described room control unit keeps the operation information before stopping, when being restarted running by the making operation to described recovery switch, described room control unit makes described indoor set carry out indoor air conditioning together with described off-premises station, to return to the operating condition before stopping based on described operation information.
Preferably, when making running be in halted state by the making operation to described shutdown switch, longer than the first setting-up time and when turn-on time of described recovery switch than the second setting-up time more in short-term, described outdoor control part makes test running start, when carrying out test running, when the turn-on time of described recovery switch is longer than described second setting-up time, described outdoor control part makes test running stop, wherein, described second setting-up time is longer than described first setting-up time.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the brief configuration that off-premises station in the aircondition involved by embodiment 1 and indoor set are shown.
Fig. 2 illustrates operation based on the maintenance operating portion to the off-premises station shown in Fig. 1 and the flow chart of the action of the aircondition realized.
Fig. 3 is the figure of the relation between the turn-on time of the recovery switch illustrated in the aircondition involved by embodiment 2 and operation mode.
Fig. 4 is the circuit block diagram of the brief configuration of the off-premises station that the variation representing embodiment 2 is shown.
Description of reference numerals:
1 ... off-premises station; 2 ... outdoor control substrate; 3 ... microcomputer; 4 ... maintenance operating portion; 4a ... shutdown switch; 4b ... recover switch; 5 ... outdoor communication circuit; 11 ... indoor set; 12 ... indoor control substrate; 13 ... microcomputer; 14 ... indoor communications circuit; 15 ... memory; 16 ... remote controller; 16a ... operating knob; 16b ... liquid crystal display part; 17 ... order wire; 18 ... dual-in-line switch; 19 ... microcomputer; 100 ... aircondition.
Detailed description of the invention
Embodiment 1.
Fig. 1 is the circuit block diagram of the brief configuration that off-premises station in the aircondition involved by embodiment 1 and indoor set are shown.
Aircondition 100 possesses: off-premises station 1; And indoor set 11, it is connected with off-premises station 1 via refrigerant piping.Off-premises station 1 is arranged at outside room, possesses outdoor control substrate 2, compressor, cross valve, outdoor heat converter, expansion valve and outdoor draft fan etc.The outdoor heat converter of off-premises station 1 plays a role as condenser when cooling operation, plays a role as evaporimeter when heating running.Indoor set 11 is arranged at indoor wall or ceiling, possesses indoor control substrate 12, indoor heat converter and indoor blower etc.The indoor heat converter of indoor set 11 plays a role as evaporimeter when cooling operation, plays a role as condenser when heating running.
Be provided with at outdoor control substrate 2: the microcomputer 3 that off-premises station controls; Safeguard that, with operating portion 4, it has the shutdown switch 4a that the running of aircondition 100 is stopped and the recovery switch 4b that running is recovered; And outdoor communication circuit 5 etc.Microcomputer 3 possesses outdoor control part, and the running carrying out compressor controls, control with cooling operation or the Vavle switching that heats the corresponding cross valve that operates, the aperture of expansion valve controls and the running of outdoor draft fan controls.
When carrying out making operation to shutdown switch 4a, the stop signal that the running of indoor set 11 is stopped is sent to indoor set 11 via outdoor communication circuit 5 by aforesaid microcomputer 3.And, microcomputer 3 is after the running stopping being made indoor set 11 by the making operation to shutdown switch 4a, namely, after the running stopping making aircondition 100, when carrying out making operation to recovery switch 4b, via outdoor communication circuit 5, the running restoring signal that the running of indoor set 11 is recovered is sent to indoor set 11.
At indoor control substrate 12, the microcomputer 13, indoor communications circuit 14 and memory 15 etc. that indoor set controls is installed.In addition, remote controller 16 is connected with indoor control substrate 12 via order wire 17, and this remote controller 16 has the operating knob 16a and liquid crystal display part 16b that set the air conditioning of indoor.This order wire 17 is connected with microcomputer 13 via indoor control substrate 12.
In addition, although remote controller 16 is set to wire remote control devices, also instead Digiplex can be used.When remote controller 16 is set to Digiplex, be provided with light accepting part at indoor control substrate 12, this light accepting part receives the infrared ray from remote controller 16, and this infrared ray is converted to the signal of telecommunication and inputs to microcomputer 13.
Microcomputer 13 possesses room control unit, controls the running of indoor blower according to the air quantity set by remote controller 16.This microcomputer 13 is when receiving the stop signal from outdoor communication circuit 5 via indoor communications circuit 14, to freeze or the arbitrary operation mode heated, indoor design temperature etc. are stored in memory 15 as operation information, and the running of indoor set 11 is stopped using current operating condition, such as.
In addition, microcomputer 13 is when receiving the restoring signal from outdoor communication circuit 5 via indoor communications circuit 14, indoor set 11 is made to restart running, and this operation information is sent to outdoor communication circuit 5 via indoor communications circuit 14, the running of off-premises station 1 is restarted, to return to the operating condition before stopping based on the operation information being stored in memory 15.
Utilize Fig. 2 in the aircondition 100 formed as described above, the off-premises station 1 realized based on the operation to maintenance operating portion 4 and the action of indoor set 11 are described.
Fig. 2 illustrates operation based on the maintenance operating portion to the off-premises station shown in Fig. 1 and the flow chart of the action of the aircondition realized.In addition, the flow chart in the left side in figure illustrates that the action of off-premises station 1, the flow chart on right side illustrate the action of indoor set 11.
When continuing the running carrying out realizing based on the operation to remote controller 16 (S1), if carry out making operation (S2) to the shutdown switch 4a of maintenance operating portion 4, then stop signal is sent to the indoor communications circuit 14 (S3) of indoor set 11 by the microcomputer 3 of off-premises station 1 via outdoor communication circuit 5.
Then, microcomputer 3 makes the running of off-premises station 1 stop (S4).When the running of off-premises station 1 stops, the running of compressor is stopped, expansion valve cuts out, after the running of indoor set 11 described later stops, the running of outdoor draft fan is stopped.Here, the maintenance of off-premises station 1 can be carried out.Microcomputer 3 determines whether the recovery switch 4b (S5) having connected maintenance operating portion 4, when access failure recovers switch 4b, waits until till being connected by recovery switch 4b.
On the other hand, during the running realized in the operation continuing to carry out based on remote controller 16 (S11), if the stop signal (S12) received from outdoor communication circuit 5 via indoor communications circuit 14, then the microcomputer 13 of indoor set 11 makes the liquid crystal display part 16b of remote controller 16 show the situation invalid to the operation of remote controller 16, and makes the operation of the operating knob 16a of remote controller 16 invalid (S13, S14).This is to not make aircondition 100 carry out action due to the operation to remote controller in the maintenance to off-premises station 1.
Further, microcomputer 13 makes the operation information before the running of indoor set 11 stopping be stored in memory 15 (S15) by being about to, and makes the running of indoor set 11 stop (S16).When the running of indoor set 11 stops, the running of indoor blower is stopped, shutter board is closed.Then, microcomputer 13 determines whether the restoring signal (S17) that have received from outdoor communication circuit 5 via indoor communications circuit 14, when not receiving restoring signal, waits until till receiving restoring signal.
The microcomputer 3 of off-premises station 1 is bide one's time S5 is medium, when recovering switch 4b and connect, restoring signal is sent to the indoor communications circuit 14 (S6) of indoor set 11 via outdoor communication circuit 5.Further, microcomputer 3 determines whether to have received via outdoor communication circuit 5 operation information (S7) before being about to stop, and when not receiving this operation information, waits until till receiving operation information.
On the other hand, the microcomputer 13 of indoor set 11 is bide one's time S17 is medium, when receiving restoring signal via indoor communications circuit 14, the display making the operation shown by liquid crystal display part 16b invalid disappears (S18), makes the operation effective (S19) to the operating knob 16a of remote controller 16.Then, microcomputer 13 reads the operation information be about to before stopping being stored in memory 15, and this operation information is sent to the outdoor communication circuit 5 (S20) of off-premises station 1 via indoor communications circuit 14.Further, microcomputer 13 makes the running of indoor set 11 restart, to return to the operating condition (S21) before stopping based on operation information.In this case, the variable control of shutter board, the running etc. of indoor blower is implemented based on aforesaid operation information.
The microcomputer 3 of off-premises station 1 is bide one's time S7 is medium, when receiving operation information via outdoor communication circuit 5, based on this operation information, the running of off-premises station 1 is restarted (S8), utilize off-premises station 1 to implement the air conditioning before stopping together with indoor set 11.
According to embodiment 1 such above, when carrying out making operation to the shutdown switch 4a of off-premises station 1, the running of indoor set 11 is stopped together with the running of off-premises station 1, in addition, after made air conditioning stopping by the making operation to shutdown switch 4a, when carrying out making operation to recovery switch 4b, the running of indoor set 11 is restarted together with the running of off-premises station 1.By this structure, the remote controller 16 of indoor set 11 is not operated and the running of indoor set 11 just can be made to stop, restarting.Thus, when carrying out the maintenance of off-premises station 1, without the need to by operating and the machine 11 side labour that makes running stop indoor, therefore, it is possible to shortening maintenance time being arranged at indoor remote controller 16.In addition, even if when the indoor being provided with indoor set 11 cannot be entered into, also can safeguard.
When indoor set 11 restarts running, indoor set 11 is utilized to carry out air conditioning together with off-premises station 1, to be stored in the operation information of memory 15 and the operating condition before returning to stopping based on before being about to stop.By this structure, air conditioning can be carried out with the operating condition before safeguarding, therefore, it is possible to save the labour that user resets, thus better maintenance service can be provided.
Further, in the maintenance of off-premises station 1, show the invalid situation of operation at the liquid crystal display part 16b of the remote controller 16 of indoor set 11, and make the operation of remote controller 16 invalid.By this structure, the maintenance of off-premises station 1 can be implemented safely.
Embodiment 2.
In embodiment 2, when making the running of indoor set 11 stop together with the running of off-premises station 1 by the making operation to shutdown switch 4a, by to the operation recovering switch 4b, off-premises station 1 and indoor set 11 can be made to carry out test running or test running is stopped.
Fig. 3 is the figure of the relation between the turn-on time of the recovery switch illustrated in the aircondition involved by embodiment 2 and operation mode.In addition, the structure of embodiment 2 is identical with the embodiment 1 shown in Fig. 1.
In embodiment 2, the microcomputer 3 of off-premises station 1 possesses outdoor control part, t turn-on time recovering switch 4b to grow than the first setting-up time t1 and shorter than the second setting-up time t2 (t1 < t≤t2) time, start to carry out test running, when carrying out test running, when the turn-on time of recovering switch 4b, t was than the second setting-up time t2 long (t2 < t), test running is stopped.When making off-premises station 1 and indoor set 11 stop by the making operation to shutdown switch 4a, carry out test running.
This microcomputer 3 according to recover switch 4b turn-on time t and be judged as test running time, send the test running commencing signal carrying out test running to the microcomputer 13 of indoor set 11 via outdoor communication circuit 5 and indoor communications circuit 14.And, when carrying out test running, when according to recover switch 4b turn-on time t and be judged as that test running stops, microcomputer 3 sends the test running stop signal stopping test running to the microcomputer 13 of indoor set 11 via outdoor communication circuit 5 and indoor communications circuit 14.
In addition, when recovering t turn-on time shorter than the first setting-up time t1 (the 0 < t≤t1) of switch 4b, same with embodiment 1, microcomputer 3 makes the running of the indoor set 11 stopped by the making operation to shutdown switch 4a restart together with the running of off-premises station 1.When restarting running, off-premises station 1 and indoor set 11 based on be stored in by indoor set 11 memory 15 be about to stop before operation information carry out action.
According to embodiment 2 such above, can stop making in off-premises station 1 side running and make the state that the operation of remote controller 16 is invalid, implement test running, therefore, even if under the situation that cannot enter into the indoor being provided with remote controller 16, also can smooth and easy and putting maintenance into practice safely.
In addition, in embodiment 2, although to grow than the first setting-up time t1 at t turn-on time recovering switch 4b and to start test running in short-term than the second setting-up time t2, also can being formed as, at random can selecting the arbitrary operation mode freezing or heat when implementing test running.
Fig. 4 is the circuit block diagram of the brief configuration of the off-premises station that the variation representing embodiment 2 is shown.As shown in FIG., the outdoor control substrate 2 of off-premises station 1 is provided with the dual-in-line switch 18 switched operation mode, before utilization recovers switch 4b enforcement test running, utilizes arbitrary operation mode that this dual-in-line switch 18 is selected refrigeration or heated.
Except the function of the microcomputer 3 shown in embodiment 2, microcomputer 19 also based on dual-in-line switch 18 handover operation and select to freeze or arbitrary operation mode of heating.When being judged as test running according to t turn-on time (t1 < t≤t2) recovering switch 4b, this microcomputer 19 performs the operation mode (freeze or heat) selected.
Claims (1)
1. an aircondition, is characterized in that, possesses:
Off-premises station; And
Indoor set, it is connected with described off-premises station via refrigerant piping, and carries out indoor air conditioning together with described off-premises station based on the operation to remote controller,
Described off-premises station possesses outdoor control substrate, compressor, cross valve, outdoor heat converter, expansion valve and outdoor draft fan,
Described outdoor heat converter plays a role as condenser when cooling operation, plays a role as evaporimeter when heating running,
Be provided with at described outdoor control substrate: the microcomputer that off-premises station controls; Shutdown switch, it stops for making the running of aircondition; Recover switch, it recovers for making the running of aircondition; And outdoor communication circuit,
Described microcomputer possesses outdoor control part, running for carrying out described compressor controls, control with cooling operation or the Vavle switching that heats the corresponding described cross valve that operates, the aperture of described expansion valve controls and the running of described outdoor draft fan controls
The stop signal that the running of described indoor set is stopped or running restoring signal that the running of described indoor set is recovered are sent to described indoor set via described outdoor communication circuit by described microcomputer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014045107A JP2015169386A (en) | 2014-03-07 | 2014-03-07 | Air conditioner |
| JP2014-045107 | 2014-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204704926U true CN204704926U (en) | 2015-10-14 |
Family
ID=52446268
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510089240.8A Active CN104896580B (en) | 2014-03-07 | 2015-02-27 | Air-conditioning device |
| CN201520118453.4U Active CN204704926U (en) | 2014-03-07 | 2015-02-27 | Aircondition |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510089240.8A Active CN104896580B (en) | 2014-03-07 | 2015-02-27 | Air-conditioning device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20150253031A1 (en) |
| EP (1) | EP2916080B1 (en) |
| JP (1) | JP2015169386A (en) |
| CN (2) | CN104896580B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412636A (en) * | 2020-04-07 | 2020-07-14 | 珠海格力电器股份有限公司 | Air conditioner without communication circuit between indoor unit and outdoor unit and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018016039A1 (en) * | 2016-07-20 | 2018-01-25 | 三菱電機株式会社 | Air-conditioning system |
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-
2015
- 2015-02-04 EP EP15153761.0A patent/EP2916080B1/en active Active
- 2015-02-05 US US14/614,639 patent/US20150253031A1/en not_active Abandoned
- 2015-02-27 CN CN201510089240.8A patent/CN104896580B/en active Active
- 2015-02-27 CN CN201520118453.4U patent/CN204704926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111412636A (en) * | 2020-04-07 | 2020-07-14 | 珠海格力电器股份有限公司 | Air conditioner without communication circuit between indoor unit and outdoor unit and control method thereof |
| CN111412636B (en) * | 2020-04-07 | 2021-05-25 | 珠海格力电器股份有限公司 | Air conditioner without communication circuit between indoor unit and outdoor unit and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2916080B1 (en) | 2022-10-19 |
| JP2015169386A (en) | 2015-09-28 |
| EP2916080A1 (en) | 2015-09-09 |
| CN104896580A (en) | 2015-09-09 |
| US20150253031A1 (en) | 2015-09-10 |
| CN104896580B (en) | 2018-05-25 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |