CN108119994A - The low power consumpting controling circuit and Low-power-consumptiocontrol control method of air conditioner - Google Patents
The low power consumpting controling circuit and Low-power-consumptiocontrol control method of air conditioner Download PDFInfo
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- CN108119994A CN108119994A CN201711428886.XA CN201711428886A CN108119994A CN 108119994 A CN108119994 A CN 108119994A CN 201711428886 A CN201711428886 A CN 201711428886A CN 108119994 A CN108119994 A CN 108119994A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 47
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 31
- 238000004378 air conditioning Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 6
- 230000003111 delayed effect Effects 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
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- 230000006872 improvement Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The present invention relates to the low power consumpting controling circuits and Low-power-consumptiocontrol control method of air conditioner, the low power consumpting controling circuit of air conditioner includes indoor unit circuit and outdoor unit circuit, indoor unit circuit includes indoor machine controller, the first bidirectional relay and the first communication module, and the interior machine controller is connected with indoor unit controller power source；Outdoor unit circuit includes outdoor controller, the second bidirectional relay and the second communication module.In the Low-power-consumptiocontrol control method of air conditioner, indoor unit circuit and outdoor unit circuit use independent independent powering mode, air conditioner is in the standby state, the power consumption of outdoor unit circuit is down to zero completely by cutting off the method for outdoor unit power supply, while the output voltage by reducing indoor unit controller power source, so that the power consumption of indoor unit control circuit minimizes, so as to achieve the purpose that effectively to reduce air conditioner power consumption in the standby state.
Description
Technical field
The present invention relates to air-conditioning equipment field more particularly to the low power consumpting controling circuits and low power consumption control of a kind of air conditioner
Method.
Background technology
Variable frequency air-conditioner controller is divided into indoor unit circuit and outdoor unit circuit, and indoor unit circuit and outdoor unit circuit are respectively provided with
Power supply.For response national energy-saving requirement, the linear power supply of indoor unit circuit all is changed to switch by present many Air-conditioning Enterprises
Power supply, to reduce the standby power of power module.However, this is reduction of the power standby power consumption of indoor unit circuit, frequency conversion
The power supply of the outdoor unit circuit of air-conditioning and other operational module power consumptions are very big.For the relatively large work of these power consumptions
Module, current air conditioner industry not yet propose to efficiently solve scheme.
The content of the invention
Primary technical problem to be solved by this invention is to provide a kind of low-power consumption of air conditioner for the above-mentioned prior art
Control circuit.
Another technical problem to be solved by this invention is to provide a kind of low work(of air conditioner for the above-mentioned prior art
Consume control method.
Technical solution is used by the present invention solves above-mentioned primary technical problem：The low power consumpting controling circuit of air conditioner,
Including indoor unit circuit and outdoor unit circuit, it is characterised in that：
The indoor unit circuit includes indoor machine controller, the first bidirectional relay and the first communication module, the interior
Machine controller is connected with indoor unit controller power source；First bidirectional relay has the first stationary contact, the second stationary contact, the
One movable contact and the first control coil, first movable contact can closely connect the first stationary contact and the second stationary contact；It is described
Indoor machine controller connects the first communication module, and the first communication module connects the first stationary contact；The one of first control coil
Machine controller in junction chamber is held, the other end of the first control coil is connected with the first burning voltage；The second stationary contact connection
There is the second burning voltage；
The outdoor unit circuit includes outdoor controller, the second bidirectional relay and the second communication module, the outdoor
Machine controller is connected with outdoor controller power supply；Second bidirectional relay has the 3rd stationary contact, the 4th stationary contact, connects
Connect the second movable contact and the second control coil of the first movable contact；Second movable contact can closely connect the 3rd stationary contact and
4th stationary contact；The outdoor controller connects the second communication module, and the second communication module connects the 3rd stationary contact；Described
One end connection outdoor controller of two control coils, the other end of the second control coil connect the 3rd burning voltage；The room
Outer machine controller is connected with the first external relay, and the 4th stationary contact is connected with the second external relay, outside described first
Outdoor power firewire can be closely connected with by putting relay, second external relay can closely with the first external relay
It is connected in parallel on outdoor power firewire.
Further, in the low power consumpting controling circuit of the air conditioner, first communication module and the second communication mould
Block is 485 communication modules.
Specifically, in the low power consumpting controling circuit of the air conditioner, the voltage value of first burning voltage is 12V,
The voltage value of second burning voltage is 12V, and the voltage value of the 3rd burning voltage is 12V.
With improvement, in the low power consumpting controling circuit of the air conditioner, second external relay can closely connect
There is overvoltage protection resistance, the overvoltage protection resistance is connected on the outdoor power firewire.
Preferably, in the low power consumpting controling circuit of the air conditioner, the interior machine controller and outdoor controller
It is microcontroller.
Technical solution is used by the present invention solves another above-mentioned technical problem：The low power consumption control side of air conditioner
Method, for the low power consumpting controling circuit of the air conditioner, which is characterized in that include the following steps 1 to step 7：
Step 1, under air-conditioning off-mode, the first movable contact of the first bidirectional relay is connected to the first stationary contact, the
Second movable contact of two bidirectional relays is connected to the 4th stationary contact, prepares for the startup of outdoor unit；
Step 2, indoor unit circuit after an initial power up, when machine controller does not receive starting-up signal indoors, air-conditioning into
Enter standby mode, adjusted the first burning voltage of indoor unit circuit by indoor machine controller and maintain pre-determined stability voltage value
Place so that outdoor unit circuit is in power failure state, and air conditioner enters low-power consumption standby state；
Step 3, indoor machine controller is after starting-up signal is received, and indoor machine controller reaches first in delay and default prolongs
First control coil of the low level to the first bidirectional relay is exported after duration, the first control coil receives the low level letter
The first movable contact of the first bidirectional relay is driven to be connected to the second stationary contact after number, it is then external by the first of outdoor unit circuit
Relay is linked into outdoor power firewire, outdoor controller by connect the outdoor controller power supply of outdoor power firewire into
Row charges；
Step 4, outdoor controller is after outdoor controller power source charges, outdoor controller control second it is external after
Electric appliance connects outdoor power firewire so that and outdoor controller power supply gives outdoor controller continued power, and by outdoor unit control
Device processed proceeds by delay timing；
Step 5, after indoor controller delay reaches the first default delay value, indoor controller is interrupted to the first two-way relay
The first control coil output signal of device, makes the first movable contact be connected to the first stationary contact, the first external relay dead electricity disconnects；
Step 6, when outdoor controller is delayed to the second preset time value, it is two-way that outdoor controller outputs signal to second
Second control coil of relay, makes the second movable contact in outdoor unit circuit be connected to the 3rd stationary contact, and outdoor unit circuit leads to
Cross connection outdoor power firewire the second external relay continue for powering, complete for outdoor unit starting operation, and by
Outdoor unit is operated according to default operating mode, and indoor outer controller is carried out normal by the first communication module and the second communication module
Communication；Wherein, the described second default delay value is more than the first default delay value；
Step 7, indoor machine controller is according to whether the situation for receiving off signal judges operation：
When indoor machine controller receives off signal, after the external device of air conditioner is out of service, outdoor unit control
Device processed makes the second movable contact in the second bidirectional relay be connected to the 4th stationary contact, outputs signal to the second external relay afterwards
Device makes the second external relay disconnect the connection with outdoor power firewire, and thus outdoor controller breaks with outdoor power firewire
Connection is opened, outdoor unit circuit enters standby mode, air-conditioning is transferred to the low-power consumption standby state of step 2；When indoor machine controller not
When receiving off signal, air conditioner is operated according to default operation mode.
Further, in the Low-power-consumptiocontrol control method of the air conditioner, by zener diode by room in the step 2
First burning voltage on interior electromechanics road is adjusted and maintained at pre-determined stability voltage value.
Specifically, in the Low-power-consumptiocontrol control method of the air conditioner, the pre-determined stability voltage value is 8.5V.
Compared with prior art, the advantage of the invention is that：
First, in the low power consumpting controling circuit for inventing provided air conditioner, indoor unit circuit and outdoor unit circuit are adopted
With independent independent powering mode, air conditioner in the standby state, by cutting off the method for outdoor unit power supply with by outdoor
The power consumption on electromechanical road is down to zero, while the output voltage by reducing indoor unit controller power source completely, so that indoor unit controls
The power consumption of circuit minimizes, so as to achieve the purpose that effectively to reduce air conditioner power consumption in the standby state；
In the low power consumpting controling circuit of the air conditioner of the present invention, indoor unit circuit and outdoor unit circuit, which increase, to be provided with
One bidirectional relay, and also set up in outdoor unit circuit there are one the second external relay, so as to utilize interior
The signal and the communication line of connection that machine controller is exported realize the start-up and shut-down control to the power supply of outdoor unit circuit；Air conditioner
In stand-by mode, the power supply of outdoor unit circuit is completely severed, and communicating circuit and other functional circuits do not have energy consumption；
Finally, when opening, indoor machine controller does not have to persistently output signal to be come in the outer electromechanical road of control room air conditioner
Relay it is electric, it is only necessary to indoor machine controller provides enabling signal, and the relay in outdoor unit circuit can be inhaled automatically
It closes, continued power.After start completion, terminate the multiplexing of 485 communicating circuits, indoor machine controller and outdoor controller are normal
Communication, so as to reach the technique effect of low-power consumption standby, starting up's auto-control.
Description of the drawings
Fig. 1 is the low power consumpting controling circuit schematic diagram of air conditioner in the embodiment of the present invention；
Fig. 2 is the flow diagram of the Low-power-consumptiocontrol control method of air conditioner in the embodiment of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing embodiment.
As shown in Figure 1, in the present embodiment air conditioner low power consumpting controling circuit, it is electromechanical including indoor unit circuit 1 and outdoor
Road 2, indoor unit circuit 1 include indoor machine controller 11, the first bidirectional relay 12 and the first communication module 13, indoor controller
11 in the present embodiment using microcontroller, and the first communication module 13 uses 485 communication modules；The indoor connection of machine controller 11 is had family
Interior machine controller power supply 14；First bidirectional relay 12 has the first stationary contact 121, the second stationary contact 122, the first movable contact
123 and first control coil 124, the first movable contact 123 can closely connect the first stationary contact 121 and the second stationary contact 122；
That is can both have been made electrical contact with to the first stationary contact 121 according to the first movable contact of electrical condition 123 of the first control coil 124,
First movable contact 123 can also be made electrical contact with to the second stationary contact 122；Indoor machine controller 11 connects the first communication module 12, the
One communication module 13 connects the first stationary contact 121；Machine controller 11 in one end junction chamber of first control coil 124, the first control
The other end of coil 124 processed is connected with the first burning voltage 15；Second stationary contact 122 is connected with the second burning voltage 16；At this
In embodiment, the first burning voltage 15 and the second burning voltage 16 use 12V voltages；
Outdoor unit circuit 2 includes outdoor controller 21, the second bidirectional relay 22 and the second communication module 23, outdoor unit
Controller 21 is connected with outdoor controller power supply 24；Outdoor controller 21 is logical using microcontroller, second in the present embodiment
It interrogates module 23 and uses 485 communication modules；Second bidirectional relay 22 has the 3rd stationary contact 221, the 4th stationary contact 222, connection
The second movable contact 223 and the second control coil 224 of first movable contact 123；It is quiet that second movable contact 223 can closely connect the 3rd
221 and the 4th stationary contact 222 of contact；That is, according to the electrical condition of the second control coil 224, the second movable contact 223 was both
It can make electrical contact with to the 3rd stationary contact 221, the second movable contact 223 can also be made electrical contact with to the 4th stationary contact 222；Outdoor unit controls
Device 21 connects the second communication module 23, and the second communication module 23 connects the 3rd stationary contact 221；One end of second control coil 224
Outdoor controller 21 is connected, the other end of the second control coil 224 connects the 3rd burning voltage 2, and the 3rd is steady in the present embodiment
The voltage value of constant voltage 25 is 12V；Outdoor controller 21 is connected with the first external relay 26, and the 4th stationary contact 222 connects
There is the second external relay 27, the first external relay 26 can closely be connected with outdoor power firewire, the second external relay
27 can closely be connected in parallel on the first external relay 26 on outdoor power firewire.That is, the first external relay 26 can
It is closed with being realized according to the control of outdoor controller 21, thus the corresponding outdoor controller power supply 24 that reaches connects outdoor power
Firewire or the effect disconnected with outdoor power firewire.
Wherein, in the low power consumpting controling circuit of the present embodiment air conditioner, in order to effectively protect entire low power consumption control electricity
The normal work on road, the second external relay 27 can closely be in series with overvoltage protection resistance 28, and overvoltage protection resistance 28 is connected
On outdoor power firewire.The measure of series connection overvoltage protection resistance 28 is taken for the second external relay 27, it can be effectively
The surge voltage in outdoor unit circuit is avoided to burn out outdoor controller；
Shown in Figure 2, the present embodiment also provides a kind of Low-power-consumptiocontrol control method of air conditioner, the Low-power-consumptiocontrol control method
For the low power consumpting controling circuit of air conditioner shown in Fig. 1.The Low-power-consumptiocontrol control method of the air conditioner includes the following steps 1 to step
Rapid 7：
Step 1, under air-conditioning off-mode, the first movable contact of the first bidirectional relay is connected to the first stationary contact, the
Second movable contact of two bidirectional relays is connected to the 4th stationary contact, realizes the company of indoor machine controller and outdoor controller
It connects, prepares for the startup of outdoor unit；
Step 2, indoor unit circuit after an initial power up, when machine controller does not receive starting-up signal indoors, air-conditioning into
Enter standby mode, adjusted the first burning voltage of indoor unit circuit by indoor machine controller and maintain pre-determined stability voltage value
Place, since indoor machine controller does not output signal to the first control coil of the first bidirectional relay, the first movable contact is still connected on
At first stationary contact, therefore the first external relay will be outdoor still in off-state, and at this time because being driven without enough voltage
Power supply is not accessed on electromechanical road, and the second external relay is also at off-state so that outdoor unit circuit is in power failure state, air-conditioning
Device enters low-power consumption standby state；Wherein, in the step 2, it is steady by the first of indoor unit circuit to be taken through zener diode
Constant voltage adjusts and maintains the measure at pre-determined stability voltage value；The first burning voltage in the present embodiment is 12V, is preset steady
Constant voltage is arranged to 8.5V；
Step 3, indoor machine controller is after starting-up signal is received, and indoor machine controller reaches first in delay and default prolongs
First control coil of the low level to the first bidirectional relay is exported after duration, the first control coil receives the low level signal
The first movable contact of the first bidirectional relay is driven to be connected to the second stationary contact afterwards, then by the second control line of outdoor unit circuit
Circle is linked into the 3rd burning voltage of 12V, and the first external relay is linked into outdoor power firewire, and outdoor controller passes through company
The outdoor controller power supply for connecing outdoor power firewire charges；
Step 4, outdoor controller is after outdoor controller power source charges, outdoor controller control second it is external after
Electric appliance connects outdoor power firewire so that and outdoor controller power supply gives outdoor controller continued power, and by outdoor unit control
Device processed proceeds by delay timing；
Step 5, after indoor controller delay reaches the first default delay value, indoor controller is interrupted to the first two-way relay
The first control coil output signal of device, makes the first movable contact be connected to the first stationary contact, the first external relay dead electricity disconnects；
Step 6, when outdoor controller is delayed to the second preset time value, it is two-way that outdoor controller outputs signal to second
Second control coil of relay, makes the second movable contact in outdoor unit circuit be connected to the 3rd stationary contact, and outdoor unit circuit leads to
Cross connection outdoor power firewire the second external relay continue for powering, complete for outdoor unit starting operation, and by
Outdoor unit is operated according to default operating mode, and indoor outer controller is carried out normal by the first communication module and the second communication module
Communication；Wherein, the second default delay value is more than the first default delay value；
In the present embodiment, since the first communication module and the second communication module employ 485 communication modules, then
When outdoor unit is operated according to default operating mode, indoor outer controller will be normal by the connection of two 485 communication modules
Communication.By the way that the second preset time value being delayed corresponding to outdoor controller is set to be more than delay corresponding to indoor machine controller
The first default delay value, so as to which 12V voltages is effectively avoided to get involved in the normal communication of two 485 communication modules, and then
485 communication modules in outdoor unit circuit is prevented to be burned；
Step 7, indoor machine controller is according to whether the situation for receiving off signal judges operation：
When indoor machine controller receives off signal, after the external device of air conditioner is out of service, outdoor unit control
Device processed makes the second movable contact in the second bidirectional relay be connected to the 4th stationary contact, thus for next time start prepare, rear chamber
Outer machine controller outputs signal to the second external relay, and the second external relay is made to disconnect the connection with outdoor power firewire,
Thus outdoor controller is disconnected with outdoor power firewire, and outdoor unit circuit enters standby mode, air-conditioning is transferred to step 2
Low-power consumption standby state；
When indoor machine controller does not receive off signal, air conditioner is operated according to default operation mode.
In the low power consumpting controling circuit of the air conditioner provided in the embodiment, indoor unit circuit and outdoor unit circuit use
Independent independent powering mode, air conditioner in the standby state, by cutting off the method for outdoor unit power supply with by outdoor unit
The power consumption of circuit is down to zero, while the output voltage by reducing indoor unit controller power source completely, so that indoor unit control electricity
The power consumption on road minimizes, so as to achieve the purpose that effectively to reduce air conditioner power consumption in the standby state.
Although the preferred embodiment of the present invention described in detail above, it is to be clearly understood that for this field
Technical staff for, the invention may be variously modified and varied.That is made within the spirit and principles of the invention appoints
What modification, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. the low power consumpting controling circuit of air conditioner, including indoor unit circuit (1) and outdoor unit circuit (2), it is characterised in that：
The indoor unit circuit (1) includes indoor machine controller (11), the first bidirectional relay (12) and the first communication module
(13), the indoor machine controller (11) is connected with indoor unit controller power source (14)；First bidirectional relay (12) tool
There are the first stationary contact (121), the second stationary contact (122), the first movable contact (123) and the first control coil (124), described first
Movable contact (123) can closely connect the first stationary contact (121) and the second stationary contact (122)；The interior machine controller (11)
The first communication module (12) is connected, the first communication module (13) connects the first stationary contact (121)；First control coil
(124) machine controller (11) in one end junction chamber, the other end of the first control coil (124) are connected with the first burning voltage
(15)；Second stationary contact (122) is connected with the second burning voltage (16)；
The outdoor unit circuit (2) includes outdoor controller (21), the second bidirectional relay (22) and the second communication module
(23), the outdoor controller (21) is connected with outdoor controller power supply (24)；Second bidirectional relay (22) tool
There are the 3rd stationary contact (221), the 4th stationary contact (222), the second movable contact (223) and second of the first movable contact of connection (123)
Control coil (224)；Second movable contact (223) can closely connect the 3rd stationary contact (221) and the 4th stationary contact
(222)；The outdoor controller (21) connects the second communication module (23), and the second communication module (23) connects the 3rd stationary contact
(221)；Second control coil (224) one end connection outdoor controller (21), the second control coil (224) it is another
The 3rd burning voltage (25) of end connection；The outdoor controller (21) is connected with the first external relay (26), and the described 4th
Stationary contact (222) is connected with the second external relay (27), and first external relay (26) can closely be connected with outdoor
Power firestreak, second external relay (27) closely can be connected in parallel on outdoor power firewire with the first external relay (26)
On.
2. the low power consumpting controling circuit of air conditioner according to claim 1, which is characterized in that first communication module (13)
It is 485 communication modules with the second communication module (23).
3. the low power consumpting controling circuit of air conditioner according to claim 1, which is characterized in that first burning voltage (15)
Voltage value for 12V, the voltage value of second burning voltage (16) is 12V, the voltage value of the 3rd burning voltage (25)
For 12V.
4. the low power consumpting controling circuit of air conditioner according to any one of claims 1 to 3, which is characterized in that described second
External relay (27) can closely be in series with overvoltage protection resistance (28), and the overvoltage protection resistance (28) is connected on the room
On external power firewire.
5. the low power consumpting controling circuit of air conditioner according to any one of claims 1 to 3, which is characterized in that the interior
Machine controller (11) and outdoor controller (21) are microcontroller.
6. the Low-power-consumptiocontrol control method of air conditioner, for the low power consumpting controling circuit of air conditioner described in claim 1, feature exists
In including the following steps 1 to step 7：
Step 1, under air-conditioning off-mode, the first movable contact of the first bidirectional relay is connected to the first stationary contact, second pair
The 4th stationary contact is connected to the second movable contact of relay, is prepared for the startup of outdoor unit；
Step 2, after an initial power up, when machine controller does not receive starting-up signal indoors, air-conditioning enters to be treated indoor unit circuit
First burning voltage of indoor unit circuit by indoor machine controller is adjusted and maintains pre-determined stability voltage value by machine pattern,
So that outdoor unit circuit is in power failure state, air conditioner enters low-power consumption standby state；
Step 3, for indoor machine controller after starting-up signal is received, indoor machine controller reaches the first default delay value in delay
First control coil of the low level to the first bidirectional relay is exported afterwards, after the first control coil receives the low level signal
The first movable contact of the first bidirectional relay is driven to be connected to the second stationary contact, then by the first of outdoor unit circuit the external relay
Device is linked into outdoor power firewire, and outdoor controller is filled by connecting the outdoor controller power supply of outdoor power firewire
Electricity；
Step 4, for outdoor controller after outdoor controller power source charges, outdoor controller controls the second external relay
Connect outdoor power firewire so that outdoor controller power supply gives outdoor controller continued power, and by outdoor controller
Proceed by delay timing；
Step 5, after indoor controller delay reaches the first default delay value, indoor controller is interrupted to the first bidirectional relay
First control coil exports signal, and the first movable contact is made to be connected to the first stationary contact, and the first external relay dead electricity disconnects；
Step 6, when outdoor controller is delayed to the second preset time value, outdoor controller outputs signal to the second two-way relay
Second control coil of device, makes the second movable contact in outdoor unit circuit be connected to the 3rd stationary contact, and outdoor unit circuit passes through company
The second external relay for connecing outdoor power firewire continues for powering, and completes the starting operation for outdoor unit, and by outdoor
Machine is operated according to default operating mode, and indoor outer controller carries out positive normal open by the first communication module and the second communication module
Letter；Wherein, the described second default delay value is more than the first default delay value；
Step 7, indoor machine controller is according to whether the situation for receiving off signal judges operation：
When indoor machine controller receives off signal, after the external device of air conditioner is out of service, outdoor controller
The second movable contact in the second bidirectional relay is made to be connected to the 4th stationary contact, the second external relay is outputed signal to afterwards, makes
Second external relay disconnects the connection with outdoor power firewire, and thus outdoor controller is disconnected with outdoor power firewire and connected
It connects, outdoor unit circuit enters standby mode, air-conditioning is transferred to the low-power consumption standby state of step 2；When indoor machine controller does not receive
During to off signal, air conditioner is operated according to default operation mode.
7. the Low-power-consumptiocontrol control method of air conditioner according to claim 6, which is characterized in that pass through voltage stabilizing in the step 2
First burning voltage of indoor unit circuit is adjusted and maintained at pre-determined stability voltage value by diode.
8. the Low-power-consumptiocontrol control method of air conditioner according to claim 6, which is characterized in that the pre-determined stability voltage value is
8.5V。
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| CN201711428886.XA CN108119994B (en) | 2017-12-26 | 2017-12-26 | Low-power consumption control circuit and low-power consumption control method of air conditioner |
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| CN201711428886.XA CN108119994B (en) | 2017-12-26 | 2017-12-26 | Low-power consumption control circuit and low-power consumption control method of air conditioner |
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| CN108800484A (en) * | 2018-06-20 | 2018-11-13 | 广东美的制冷设备有限公司 | Air conditioner power control circuit, controller and air conditioner |
| CN110500696A (en) * | 2019-08-14 | 2019-11-26 | 海信（山东）空调有限公司 | A kind of control circuit and air-conditioning |
| WO2020069639A1 (en) * | 2018-10-01 | 2020-04-09 | 珠海格力电器股份有限公司 | Device control method, device control apparatus and device using control apparatus |
| CN111076370A (en) * | 2019-12-09 | 2020-04-28 | 珠海格力电器股份有限公司 | Standby control device, air conditioner and standby control method of air conditioner |
| CN111679595A (en) * | 2020-07-03 | 2020-09-18 | 珠海格力电器股份有限公司 | Power control circuit, control circuit group and household appliance |
| CN111976415A (en) * | 2019-05-23 | 2020-11-24 | 广东美的制冷设备有限公司 | Outdoor unit electric control device and vehicle-mounted air conditioner |
| CN112161386A (en) * | 2020-09-25 | 2021-01-01 | 海信（山东）空调有限公司 | Indoor unit, outdoor unit, temperature controller and method for controlling communication of air conditioner |
| CN112524685A (en) * | 2020-11-30 | 2021-03-19 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN112524686A (en) * | 2020-11-30 | 2021-03-19 | 青岛海尔空调器有限总公司 | Air conditioner |
| CN112762525A (en) * | 2020-12-31 | 2021-05-07 | 佛山市顺德区美的电子科技有限公司 | Air condensing units control circuit, automatically controlled subassembly and air conditioner |
| CN115247870A (en) * | 2022-05-31 | 2022-10-28 | 浙江中广电器集团股份有限公司 | Air conditioner and energy-saving operation control method thereof |
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