CN105337598A - Air conditioner, and circuit having low stand-by power consumption and control method thereof - Google Patents
Air conditioner, and circuit having low stand-by power consumption and control method thereof Download PDFInfo
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- CN105337598A CN105337598A CN201410365483.5A CN201410365483A CN105337598A CN 105337598 A CN105337598 A CN 105337598A CN 201410365483 A CN201410365483 A CN 201410365483A CN 105337598 A CN105337598 A CN 105337598A
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Abstract
The invention relates to an air conditioner, and a circuit having low stand-by power consumption and a control method thereof. The circuit having low stand-by power consumption comprises an indoor machine circuit, an outdoor machine circuit, power wires L and N and a signal wire C, wherein the power wires L and N are positioned between the indoor machine circuit and the outdoor machine circuit and used for transferring alternating current; the signal wire C is used for transmitting a signal; an on-off switch K1 connected with the signal wire C is additionally arranged in an indoor machine; the on-off switch K1 is connected with a rectifier module; an induction part of an on-off switch K3 and a normally closed on-off switch K2 are connected between the signal wire C of an outdoor machine and the power wire N; and the power wire L supplies power to the outdoor machine through an on-off switch K4 and the on-off switch K3 connected in parallel. When the on-off switch K1 is closed, direct-current voltage output by the rectifier module is applied onto the outdoor machine through the signal wire C; the induction part of the on-off switch K3 is electrified; the on-off switch K3 is closed; the power wires L and N supply power to the outdoor machine; therefore, the air conditioner disclosed by the invention is high in security; and the circuit structure is simplified.
Description
Technical field
The invention belongs to the technical field of air conditioner, specifically, relate to a kind of circuit of air conditioner low standby power loss and adopt air conditioner and the control method of described circuit.
Background technology
Along with air-conditioning Energy Efficiency Standard is more and more higher, the stand-by power consumption of air-conditioning also more and more receives the concern of people.As shown in Figure 1, when air conditioner is standby, indoor apparatus of air conditioner circuit and off-premises station circuit are all in power-up state to the circuit of existing common air-conditioning device, and energy consumption is larger.In order to reduce the stand-by power consumption of air conditioner, propose a kind of economical air conditioner, as shown in Figure 2, its indoor set and off-premises station are by power line L, the holding wire S of signal transmission and for transmit alternating current and signal transmission the bridging line N that shares couple together, stop to the circuit supply in off-premises station when air conditioner is standby, and start time through holding wire indoor machine start the circuit in off-premises station after powering to off-premises station, and when starting, through holding wire indoor machine provide AC power to off-premises station, cause fail safe low, circuit structure is complicated.
Summary of the invention
The object of the present invention is to provide a kind of circuit of air conditioner low standby power loss, solve existing air conditioner circuit standby power consumption large, fail safe is low, the technical problem of circuit structure complexity.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of air conditioner low standby power loss circuit, comprise indoor set circuit and off-premises station circuit, the holding wire C for power wiring L, N and signal transmission of transmitting alternating current between indoor set circuit and off-premises station circuit, in described indoor set circuit, power wiring L is by connecting with holding wire C after rectification module and on-off switch K1; In described off-premises station circuit, power wiring L is that off-premises station is powered by on-off switch K4, on-off switch K3 in parallel, described holding wire C is connected with power wiring N by the induction part of on-off switch K3, on-off switch K2, described on-off switch K1, K3, K4 are open type switch, and described on-off switch K2 is closed type switch.
Air conditioner low standby power loss circuit as above, described indoor set circuit comprises communication module, described rectification module is powered to communication module, between described power wiring L and rectification module or be provided with open type on-off switch K1 ＇ between rectification module and communication module.
Air conditioner low standby power loss circuit as above, described on-off switch K1 is single-pole double-throw switch (SPDT), and the communication module of described indoor set circuit, the connection between rectification module and holding wire C and disconnecting is switched by on-off switch K1.
Air conditioner low standby power loss circuit as above, described on-off switch K2 is single-pole double-throw switch (SPDT), and the communication module of described off-premises station circuit, the connection between power wiring N and holding wire C and disconnection are switched by on-off switch K2.
Air conditioner low standby power loss circuit as above, described rectification module is full-wave rectification block or half-wave rectification block.
Based on the design of above-mentioned air conditioner low standby power loss circuit, the invention allows for a kind of air conditioner, air conditioner described in it comprises low standby power loss circuit, low standby power loss circuit comprises indoor set circuit and off-premises station circuit, the holding wire C for power wiring L, N and signal transmission of transmitting alternating current between indoor set circuit and off-premises station circuit, in described indoor set circuit, power wiring L is by connecting with holding wire C after rectification module and on-off switch K1; In described off-premises station circuit, power wiring L is that off-premises station is powered by on-off switch K4, on-off switch K3 in parallel, described holding wire C is connected with power wiring N by the induction part of on-off switch K3, on-off switch K2, described on-off switch K1, K3, K4 are open type switch, and described on-off switch K2 is closed type switch.
Based on the design of above-mentioned air conditioner, the invention allows for a kind of air conditioner low standby power loss control method, as follows:
Indoor set receives starting-up signal, control on-off switch K1 to close, rectification module and holding wire C connect, and it is electric that the direct current that rectification module exports makes the induction part of on-off switch K3 obtain by holding wire C, on-off switch K3 closes, power wiring L, N are to off-premises station circuit supply, and off-premises station controls on-off switch K4 and closes, and K2 disconnects, the induction part dead electricity of K3, K3 disconnects, and indoor set control K1 disconnects, and indoor set and off-premises station start communication;
Indoor set receives off signal, and indoor set sends off signal to off-premises station, and off-premises station controls on-off switch K4 and disconnects, and on-off switch K2 closes, and indoor set and off-premises station stop communication.
Compared with prior art, advantage of the present invention and good effect are: air conditioner of the present invention increases the on-off switch K1 connected with holding wire C at indoor set, on-off switch K1 connects with rectification module; Between off-premises station holding wire C and power wiring N, be connected with the induction part of on-off switch K3, normally closed on-off switch K2, power wiring L is that off-premises station is powered by on-off switch K4, on-off switch K3 in parallel.Thus, when on-off switch K1 closes, the direct voltage that rectification module exports is applied on off-premises station by holding wire C, and the induction part of on-off switch K3 obtains electric, and on-off switch K3 closes, and power wiring L, N power to off-premises station.Thus, the high and circuit structure of fail safe of the present invention is simplified.
After reading the detailed description of embodiment of the present invention by reference to the accompanying drawings, the other features and advantages of the invention will become clearly.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of prior art common air-conditioning device.
Fig. 2 is the circuit diagram of prior art economical air conditioner.
Fig. 3 is the circuit diagram of the specific embodiment of the invention 1 air conditioner.
Fig. 4 is the circuit diagram of the specific embodiment of the invention 1 air conditioner.
Fig. 5 is the circuit diagram of the specific embodiment of the invention 2 air conditioner.
Fig. 6 is the circuit diagram of the specific embodiment of the invention 3 air conditioner.
Embodiment
Be described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing, the present invention program is applicable to indoor set and powers and off-premises station is powered two kinds of modes.
Specific embodiment 1:
As shown in Figure 3, the present embodiment proposes a kind of circuit of air conditioner low standby power loss, comprising indoor set circuit and off-premises station circuit, being connected by the holding wire C of power wiring L, N and signal transmission for transmitting alternating current between indoor set circuit and off-premises station circuit.When air conditioner normally works, AC power is by power wiring L, N to off-premises station circuit and indoor set circuit supply, and the communication module of off-premises station circuit and indoor set circuit carries out transmission and the reception of signal by holding wire C.When air conditioner is standby, cut off off-premises station completely and power, and when air conditioner room unit receives enabled instruction, power to off-premises station, make it enter normal operating conditions, circuit structure is simple, and fail safe is high.
Below the circuit of the low standby power loss of the present embodiment is specifically described:
The indoor set circuit of the present embodiment comprises:
Binding post, connects with power wiring L, n-signal line C and ground wire GND.
Filtration module, carries out electromagnetic interference suppression to the alternating current of power wiring L, N input.
First rectification module, the alternating voltage that filtration module exports is converted to direct voltage, is indoor set circuit supply.
Second rectification module, for half-wave rectification block, comprise diode D and resistance R, the alternating voltage that filtration module exports is converted to direct voltage, export on-off switch K1 on the one hand, when closing for on-off switch K1, be the induction part energising of the on-off switch K3 of off-premises station by holding wire C, closed on-off switch K3; On the other hand for communication module is powered.
Or the present embodiment only arranges the first rectification module, the alternating voltage that filtration module exports is converted to direct voltage, exports on-off switch K1 to, when closing for on-off switch K1 on the one hand, be the induction part energising of the on-off switch K3 of off-premises station by holding wire C, closed on-off switch K3; On the other hand for communication module is powered.Above two kinds of modes are all within protection scope of the present invention.
Switching Power Supply, the direct voltage exported by rectification module, current conversion are voltage, the electric current of control module chip demand, for control module and other relevant electricity consumption devices are powered.
Control module, for receiving remote signal, controlling the on off state of on-off switch K1, and remote signal is sent to communication module.
Communication module, connects with the second rectification module, and for communication module provides power supply, holding wire C is connected with the second rectification module by on-off switch K1.
On-off switch K1 is open type on-off switch, switches the connection of the second rectification module and holding wire C and disconnection;
Off-premises station circuit comprises:
Binding post, connects with power wiring L, N, holding wire C and ground wire GND.
Filtration module, carries out electromagnetic interference suppression to the alternating current of power wiring L, N input.
Rectification module, is converted to direct voltage, for Switching Power Supply is powered by the alternating voltage that filtration module or the second power wiring L2 and bridging line N transmit;
Switching Power Supply, the direct voltage exported by rectification module, current conversion are voltage, the electric current of control module chip demand, for control module and other relevant electricity consumption devices are powered.
Control module, for the control signal that received communication module sends, controls the on off state of on-off switch K2, on-off switch K4.
Communication module, carries out transmission and the reception of signal by described holding wire C and indoor set communication module;
On-off switch K2 is closed type on-off switch, it switches the connection between holding wire C and power wiring N and disconnection, coordinate with the on-off switch K1 of indoor set circuit, what control on-off switch K3 induction part obtains electric and dead electricity, thus controls whether power wiring L, N are off-premises station circuit supply.
The induction part of on-off switch K3 between holding wire C and power wiring N, operating member between power wiring L and off-premises station filtration module, when the induction part of K3 obtain electric after, the conducting of control action portion.On-off switch can adopt existing relay, and the induction part of K3 is induction coil, as shown in Figure 3.Certainly, on-off switch K3 also can adopt other components and parts, such as, and photoelectrical coupler, as shown in Figure 4.Certainly, the present invention is not limited to above-mentioned two kinds of modes, and every technical scheme that can realize above-mentioned purpose is all within protection scope of the present invention.
On-off switch K4 is used for switching the connection of power wiring L and off-premises station filtration module and disconnection.
When air conditioner is standby, on-off switch K1 is in off-state, and on-off switch K2 is in closure state, and on-off switch K3 is in off-state, and on-off switch K4 is in off-state.Now, off-premises station is cut off the electricity supply completely, reduces complete machine stand-by power consumption.
In indoor set circuit, alternating current L communicated after filtration module filtering, the first rectification module rectification and exported direct current to Switching Power Supply, and Switching Power Supply is powered to control module and other direct-flow current consumer parts.
After indoor set remote control reception probe receives the signal of turning on the aircondition that remote controller sends, control module controls on-off switch K1 and closes, alternating current L phase generates direct current by the second rectification module rectification and exports on-off switch K1 to, direct current is sent to off-premises station through closed on-off switch K1, holding wire C, and form loop with on-off switch K2, the power wiring N of off-premises station, then the induction part of on-off switch K3 obtains electric, controls on-off switch K3 and closes.Alternating current L phase is powered to Switching Power Supply by the filtration module of off-premises station, rectification module, and Switching Power Supply is powered to control module and other direct-flow current consumer parts, and control module controls on-off switch K2 and disconnects, and controls on-off switch K4 and closes.Because K2 disconnects, the induction part dead electricity of K3, K3 disconnects, and indoor set control K1 disconnects, and now, indoor set and off-premises station start normal work, and communication starts.
After indoor set remote control reception probe receives the signal of the pass air-conditioning that remote controller sends; indoor set communication module sends stopping signal to off-premises station communication module; off-premises station control module controls on-off switch K4 and disconnects; indoor set, off-premises station stop communication; on-off switch K2 switches to closure state, and off-premises station power supply all cuts off.Unnecessary operating circuit disconnects by indoor set control module, and only remaining indoor set has stand-by electric, reduces by the power consumption of more than 80% than existing air conditioner.
Based on the design of the circuit of above-mentioned air conditioner low standby power loss, the present embodiment also proposed a kind of air conditioner, and air conditioner comprises indoor set circuit and off-premises station circuit, and physical circuit is described above, is not described in detail herein.
Based on the design of above-mentioned air conditioner, the present embodiment also proposed air conditioner low standby power loss control method, is specially:
Indoor set receives starting-up signal, control on-off switch K1 to close, the second rectification module and holding wire C connect, and it is electric that the direct current that the second rectification module exports makes the induction part of on-off switch K3 obtain by holding wire C, on-off switch K3 closes, power wiring L, N are to off-premises station circuit supply, and off-premises station controls on-off switch K4 and closes, and K2 disconnects, the induction part dead electricity of K3, K3 disconnects, and indoor set control K1 disconnects, and indoor set and off-premises station start communication;
Indoor set receives off signal, and indoor set sends off signal to off-premises station, and off-premises station controls on-off switch K4 and disconnects, and on-off switch K2 closes, and indoor set and off-premises station stop communication.
Specific embodiment 2:
As shown in Figure 4, the present embodiment proposes a kind of circuit of air conditioner low standby power loss, be with the difference of embodiment 1, the indoor set circuit of the present embodiment comprises on-off switch K1 ＇, switch the connection between communication module and the second rectification module and disconnection, indoor control module controls the on off state of on-off switch K1 ＇.When air conditioner is standby, disconnects on-off switch K1 ＇, cut off the power supply of communication module, the stand-by power consumption of air conditioner can be reduced further.
In indoor set circuit, alternating current L communicated after filtration module filtering, the first rectification module rectification and exported direct current to Switching Power Supply, and Switching Power Supply is powered to control module and other direct-flow current consumer parts.
After indoor set remote control reception probe receives the signal of turning on the aircondition that remote controller sends, control module controls on-off switch K1, K1 ＇ and closes, alternating current L phase generates direct current by the second rectification module rectification, export communication module on the one hand to power, for communication module is powered, export on-off switch K1 on the other hand, direct current is sent to off-premises station through closed on-off switch K1, holding wire C, and form loop with on-off switch K2, the power wiring N of off-premises station, then the induction part of on-off switch K3 obtains electric, controls on-off switch K3 and closes.Alternating current L phase is powered to Switching Power Supply by the filtration module of off-premises station, rectification module, and Switching Power Supply is powered to control module and other direct-flow current consumer parts, and control module controls on-off switch K2 and disconnects, and controls on-off switch K4 and closes.Because K2 disconnects, the induction part dead electricity of K3, K3 disconnects, and the control of indoor set control module K1, K1 ＇ disconnects, and now, indoor set and off-premises station start normal work, and communication starts.
After indoor set remote control reception probe receives the signal of the pass air-conditioning that remote controller sends; indoor set communication module sends stopping signal to off-premises station communication module; off-premises station control module controls on-off switch K4 and disconnects; indoor set, off-premises station stop communication; on-off switch K2 switches to closure state, and off-premises station power supply all cuts off.Unnecessary operating circuit disconnects by indoor set control module, and only remaining indoor set has stand-by electric, reduces by the power consumption of more than 80% than existing air conditioner.
Based on the design of the circuit of above-mentioned air conditioner low standby power loss, the present embodiment also proposed a kind of air conditioner, and air conditioner comprises indoor set circuit and off-premises station circuit, and physical circuit is described above, is not described in detail herein.
Based on the design of above-mentioned air conditioner, the present embodiment also proposed air conditioner low standby power loss control method, is specially:
Indoor set receives starting-up signal, control on-off switch K1, K1 ＇ to close, the second rectification module and holding wire C connect, and it is electric that the direct current that the second rectification module exports makes the induction part of on-off switch K3 obtain by holding wire C, on-off switch K3 closes, power wiring L, N are to off-premises station circuit supply, and off-premises station controls on-off switch K4 and closes, and K2 disconnects, the induction part dead electricity of K3, K3 disconnects, and indoor set control K1, K1 ＇ disconnects, and indoor set and off-premises station start communication;
Indoor set receives off signal, and indoor set sends off signal to off-premises station, and off-premises station controls on-off switch K4 and disconnects, and on-off switch K2 closes, and indoor set and off-premises station stop communication.
Specific embodiment 3:
As shown in Figure 5, the present embodiment proposes a kind of circuit of air conditioner low standby power loss, be with the difference of embodiment 1, the on-off switch K1 of the indoor set of the present embodiment is single-pole double-throw switch (SPDT), and the communication module of indoor set circuit, the connection between rectification module and holding wire C and disconnecting is switched by on-off switch K1.On-off switch K2 is single-pole double-throw switch (SPDT), and the communication module of off-premises station circuit, the connection between power wiring N and holding wire C and disconnection are switched by on-off switch K2.
When air conditioner is standby, on-off switch K1 is in OFF state, and on-off switch K2 is in OFF state, and on-off switch K3, K4 are in off-state.Now, off-premises station is cut off the electricity supply completely, and operating circuit unnecessary for part disconnects by indoor set, reduces complete machine stand-by power consumption.
In indoor set circuit, alternating current L communicated after filtration module filtering, the first rectification module rectification and exported direct current to Switching Power Supply, and Switching Power Supply is powered to control module and other direct-flow current consumer parts.Alternating current L phase generates direct current by the second rectification module rectification, exports communication module on the one hand and powers, for communication module is powered.
After indoor set remote control reception probe receives the signal of turning on the aircondition that remote controller sends, control module controls on-off switch K1 and switches to ON state, alternating current L phase generates direct current by the second rectification module rectification, export communication module on the one hand to power, for communication module is powered, export on-off switch K1 on the other hand, direct current is sent to off-premises station through closed on-off switch K1, holding wire C, and form loop with on-off switch K2, the power wiring N of off-premises station, then the induction part of on-off switch K3 obtains electric, controls on-off switch K3 and closes.Alternating current L phase is powered to Switching Power Supply by the filtration module of off-premises station, rectification module, and Switching Power Supply is powered to control module and other direct-flow current consumer parts, and control module controls on-off switch K2 and switches to ON state, controls on-off switch K4 and closes.Because K2 switches to ON state, the induction part dead electricity of K3, K3 disconnects, and indoor set control module control K1 switches to OFF state, and now, indoor set and off-premises station start normal work, and communication starts.
After indoor set remote control reception probe receives the signal of the pass air-conditioning that remote controller sends; indoor set communication module sends stopping signal to off-premises station communication module; off-premises station control module controls on-off switch K4 and disconnects; on-off switch K2 switches to OFF state; indoor set, off-premises station stop communication, and off-premises station power supply all cuts off.Unnecessary operating circuit disconnects by indoor set control module, and only remaining indoor set has stand-by electric, reduces by the power consumption of more than 80% than existing air conditioner.
Based on the design of the circuit of above-mentioned air conditioner low standby power loss, the present embodiment also proposed a kind of air conditioner, and air conditioner comprises indoor set circuit and off-premises station circuit, and physical circuit is described above, is not described in detail herein.
Based on the design of above-mentioned air conditioner, the present embodiment also proposed air conditioner low standby power loss control method, is specially:
Indoor set receives starting-up signal, control break-make is opened K1 pass and is switched to ON state, and the second rectification module and holding wire C connect, and it is electric that the direct current that the second rectification module exports makes the induction part of on-off switch K3 obtain by holding wire C, on-off switch K3 closes, power wiring L, N are to off-premises station circuit supply, and off-premises station controls on-off switch K4 and closes, and K2 switches to ON state, the induction part dead electricity of K3, K3 disconnects, and indoor set control K1 switches to OFF state, and indoor set and off-premises station start communication;
Indoor set receives off signal, and indoor set sends off signal to off-premises station, and off-premises station controls on-off switch K4 and disconnects, and on-off switch K2 switches to OFF state, and indoor set and off-premises station stop communication.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. an air conditioner low standby power loss circuit, comprise indoor set circuit and off-premises station circuit, the holding wire C for power wiring L, N and signal transmission of transmitting alternating current between indoor set circuit and off-premises station circuit, is characterized in that: in described indoor set circuit, power wiring L is by connecting with holding wire C after rectification module and on-off switch K1; In described off-premises station circuit, power wiring L is that off-premises station is powered by on-off switch K4, on-off switch K3 in parallel, described holding wire C is connected with power wiring N by the induction part of on-off switch K3, on-off switch K2, described on-off switch K1, K3, K4 are open type switch, and described on-off switch K2 is closed type switch.
2. air conditioner low standby power loss circuit according to claim 1, it is characterized in that: described indoor set circuit comprises communication module, described rectification module is powered to communication module, between described power wiring L and rectification module or be provided with open type on-off switch K1 ＇ between rectification module and communication module.
3. air conditioner low standby power loss circuit according to claim 1, it is characterized in that: described on-off switch K1 is single-pole double-throw switch (SPDT), the communication module of described indoor set circuit, the connection between rectification module and holding wire C and disconnecting is switched by on-off switch K1.
4. the air conditioner low standby power loss circuit according to claim 1 or 2 or 3, it is characterized in that: described on-off switch K2 is single-pole double-throw switch (SPDT), the communication module of described off-premises station circuit, the connection between power wiring N and holding wire C and disconnection are switched by on-off switch K2.
5. the air conditioner low standby power loss circuit according to claim 1 or 2 or 3, is characterized in that: described rectification module is full-wave rectification block or half-wave rectification block.
6. an air conditioner, is characterized in that: described air conditioner comprises the low standby power loss circuit described in claim 1-5 any one.
7. air conditioner low standby power loss control method according to claim 6, is characterized in that: described method is:
Indoor set receives starting-up signal, control on-off switch K1 to close, rectification module and holding wire C connect, and it is electric that the direct current that rectification module exports makes the induction part of on-off switch K3 obtain by holding wire C, on-off switch K3 closes, power wiring L, N are to off-premises station circuit supply, and off-premises station controls on-off switch K4 and closes, and K2 disconnects, the induction part dead electricity of K3, K3 disconnects, and indoor set control K1 disconnects, and indoor set and off-premises station start communication;
Indoor set receives off signal, and indoor set sends off signal to off-premises station, and off-premises station controls on-off switch K4 and disconnects, and on-off switch K2 closes, and indoor set and off-premises station stop communication.
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Cited By (7)
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| CN107143964A (en) * | 2016-03-01 | 2017-09-08 | 珠海格力电器股份有限公司 | Start-up circuit and air conditioner for starting air-conditioning |
| CN107270476A (en) * | 2017-06-14 | 2017-10-20 | 青岛海尔空调电子有限公司 | The autonomous dormancy control circuit of air-conditioner outdoor unit and air conditioner |
| CN108119994A (en) * | 2017-12-26 | 2018-06-05 | 奥克斯空调股份有限公司 | The low power consumpting controling circuit and Low-power-consumptiocontrol control method of air conditioner |
| CN108488948A (en) * | 2018-06-05 | 2018-09-04 | 珠海格力电器股份有限公司 | Air-conditioning, air-conditioner control system and outdoor unit switching circuit |
| EP3712535A4 (en) * | 2017-11-16 | 2020-12-16 | Qingdao Haier Air Conditioner General Corp., Ltd. | Method and apparatus for identifying air-conditioning circuit, and air conditioner |
| WO2021027199A1 (en) * | 2019-08-15 | 2021-02-18 | 青岛海尔空调器有限总公司 | Circuit for identifying outdoor unit having low standby power consumption, and air conditioner |
| CN112460748A (en) * | 2020-11-23 | 2021-03-09 | 珠海格力电器股份有限公司 | Communication device and method for internal and external machines and direct-current power supply variable frequency air conditioner |
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| CN107143964A (en) * | 2016-03-01 | 2017-09-08 | 珠海格力电器股份有限公司 | Start-up circuit and air conditioner for starting air-conditioning |
| CN107270476A (en) * | 2017-06-14 | 2017-10-20 | 青岛海尔空调电子有限公司 | The autonomous dormancy control circuit of air-conditioner outdoor unit and air conditioner |
| EP3712535A4 (en) * | 2017-11-16 | 2020-12-16 | Qingdao Haier Air Conditioner General Corp., Ltd. | Method and apparatus for identifying air-conditioning circuit, and air conditioner |
| CN108119994A (en) * | 2017-12-26 | 2018-06-05 | 奥克斯空调股份有限公司 | The low power consumpting controling circuit and Low-power-consumptiocontrol control method of air conditioner |
| CN108119994B (en) * | 2017-12-26 | 2023-11-17 | 奥克斯空调股份有限公司 | Low-power consumption control circuit and low-power consumption control method of air conditioner |
| CN108488948A (en) * | 2018-06-05 | 2018-09-04 | 珠海格力电器股份有限公司 | Air-conditioning, air-conditioner control system and outdoor unit switching circuit |
| CN108488948B (en) * | 2018-06-05 | 2023-11-14 | 珠海格力电器股份有限公司 | Air conditioner, air conditioner control system and outdoor unit switch circuit |
| WO2021027199A1 (en) * | 2019-08-15 | 2021-02-18 | 青岛海尔空调器有限总公司 | Circuit for identifying outdoor unit having low standby power consumption, and air conditioner |
| CN112460748A (en) * | 2020-11-23 | 2021-03-09 | 珠海格力电器股份有限公司 | Communication device and method for internal and external machines and direct-current power supply variable frequency air conditioner |
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Application publication date: 20160217 |