CN112393395A - Circuit for identifying low-standby-power-consumption outdoor unit and air conditioner - Google Patents
Circuit for identifying low-standby-power-consumption outdoor unit and air conditioner Download PDFInfo
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- CN112393395A CN112393395A CN201910753389.XA CN201910753389A CN112393395A CN 112393395 A CN112393395 A CN 112393395A CN 201910753389 A CN201910753389 A CN 201910753389A CN 112393395 A CN112393395 A CN 112393395A
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application relates to the technical field of air conditioners and discloses a circuit for identifying an outdoor unit with low standby power consumption. The circuit for identifying the low standby power consumption outdoor unit includes: the outdoor unit comprises an outdoor unit communication circuit in the outdoor unit, an indoor unit communication circuit for communicating with the outdoor unit communication circuit in the outdoor unit through a signal wire, and a conduction direction switching circuit connected in series with a direct current power supply branch of the signal wire, wherein when the conduction direction switching circuit is in a first conduction state, the conduction direction of the conduction direction switching circuit is opposite to the current direction of the direct current power supply branch. When judging whether the outdoor unit is the low-standby-power-consumption outdoor unit, the accuracy of the judgment result can be improved by adopting the circuit for identifying the low-standby-power-consumption outdoor unit.
Description
Technical Field
The present application relates to the field of air conditioning technologies, and for example, to a circuit for identifying an outdoor unit with low standby power consumption and an air conditioner.
Background
At present, when the outdoor units with low standby power consumption are in standby, all power supplies of all the outdoor units can be cut off, and only the control circuits of the indoor units are supplied with power, so that the power consumption is reduced. The low standby power consumption outdoor unit and the non-low standby power consumption outdoor unit adopt different communication protocols and different control strategies, before the indoor unit communicates with the outdoor unit, the standby mode of the outdoor unit is judged firstly, and then the outdoor unit is controlled by selecting the correct communication protocol and the control strategy.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
when the outdoor unit is judged to be the low-standby-power-consumption outdoor unit, backflow is easy to occur in a signal line for communication between the indoor unit and the outdoor unit, so that the outdoor unit is easy to judge as the non-low-standby-power-consumption outdoor unit, and the accuracy of a judgment result is reduced.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a circuit for identifying a low-standby-power-consumption outdoor unit and an air conditioner, so as to solve the technical problem that the accuracy of a judgment result is low when whether the outdoor unit is the low-standby-power-consumption outdoor unit is judged.
In some embodiments, the circuit for identifying the low standby power outdoor unit includes:
the indoor unit communication circuit is communicated with an outdoor unit communication circuit in the outdoor unit through a signal line;
the conducting direction switching circuit is connected in series with the direct current power supply branch of the signal wire;
when the conduction direction switching circuit is in a first conduction state, the conduction direction of the conduction direction switching circuit is opposite to the current direction of the direct current power supply branch circuit.
In some embodiments, the air conditioner includes the circuit for identifying the low standby power consumption outdoor unit provided in the foregoing embodiments.
The circuit and the air conditioner for identifying the low standby power consumption outdoor unit provided by the embodiment of the disclosure can realize the following technical effects:
when the outdoor unit is the low standby power consumption outdoor unit, the conducting direction switching circuit in the first conducting state can cut off a loop of an outdoor unit communication circuit in the outdoor unit, backflow occurring in a signal line is reduced, the indoor unit communication circuit has no signal, misjudgment rate is reduced, and accuracy of judgment results can be improved when whether the outdoor unit is the low standby power consumption outdoor unit or not is judged.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated in drawings corresponding to, and not limiting to, embodiments in which elements having the same reference number designation are illustrated as similar elements and in which:
fig. 1 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure;
fig. 6 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure;
fig. 7 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power according to an embodiment of the present disclosure;
fig. 8 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power according to an embodiment of the present disclosure;
fig. 9 is a schematic diagram of an indoor control circuit and an outdoor control circuit provided in an embodiment of the present disclosure.
Reference numerals:
110. an internal machine communication circuit; 111. a signal line; 120. a conducting direction switching circuit; 130. a DC power supply branch; 131. a filter circuit; 140. a rectifying circuit; 141. a first rectifying circuit; 150. a switching power supply; 151. a first switching power supply; 160. a controller; 161. a first controller; 170. an electromagnetic interference filter; 171. a first electromagnetic interference filter; 210. an outdoor unit communication circuit; 241. a second rectifying circuit; 251. a second switching power supply; 261. a second controller; 271. a second electromagnetic interference filter; k1, a first switch; k2, a second switch; k3, a third switch; k4, fourth switch; k5, a fifth switch; d1, a first diode; d2, a second diode; d3, a third diode; c1, electrolytic capacitor; c2, non-electrolytic capacitor; r, resistance.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
In the disclosed embodiments, the term "switch" includes both "on" and "off states. The switch is a controllable switch and can be switched between an on state and an off state through an electric signal control switch. The switches include mechanical switches, semiconductor switches, and switching circuits in the form of digital circuits or analog circuits. For example, the mechanical switch may be a relay.
In some scenarios, the indoor unit is a low standby power consumption outdoor unit, and when the outdoor unit is in a power-off state, the indoor unit is powered on by a specific starting circuit.
In some scenarios, the low standby power outdoor unit and the non-low standby power outdoor unit have different circuits, and the low standby power outdoor unit and the non-low standby power outdoor unit adopt different control communication protocols and different control strategies. After the air conditioner is powered on, the indoor unit firstly identifies the standby type of the outdoor unit, and then selects a proper communication protocol and a proper control strategy according to the standby type of the outdoor unit to realize the control of the outdoor unit. After the air conditioner is powered on, if a communication circuit in the indoor unit cannot receive signals, the outdoor unit is a low standby power consumption outdoor unit; if the communication circuit in the indoor unit can receive the signal, the outdoor unit is a non-low standby power consumption outdoor unit.
Fig. 1 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure.
In this embodiment, the circuit for identifying the low standby power consumption outdoor unit includes:
an indoor unit communication circuit 110 which communicates with an outdoor unit communication circuit 210 in the outdoor unit through a signal line 111;
a conducting direction switching circuit 120 connected in series with the dc power supply branch 130 of the signal line 111;
when the conducting direction switching circuit 120 is in the first conducting state, the conducting direction of the conducting direction switching circuit 120 is opposite to the current direction of the dc power supply branch 130.
When the outdoor unit is a low standby power consumption outdoor unit, the conducting direction switching circuit 120 in the first conducting state can cut off the loop of the outdoor unit communication circuit 210 in the outdoor unit, thereby reducing the backflow occurring in the signal line 111, and the indoor unit communication circuit 110 has no signal, thereby reducing the misjudgment rate, and improving the accuracy of the judgment result when judging whether the outdoor unit is a low standby power consumption outdoor unit.
In this embodiment, the circuit for identifying the low standby power consumption outdoor unit further includes: the electromagnetic interference filter 170, the rectifying circuit 140, the switching power supply 150 and the controller 160, an input end of the electromagnetic interference filter 170 is connected with a power distribution terminal, an output end of the electromagnetic interference filter 170 is connected with an input end of the rectifying circuit 140, an output end of the rectifying circuit 140 is connected with an input end of the switching power supply 150, an output end of the switching power supply 150 is connected with a power input end of the controller 160, the switching power supply 150 supplies power to the controller 160, the controller 160 is connected with the indoor unit communication circuit 110, the controller 160 transmits a control signal to the indoor unit communication circuit 110, and the indoor unit communication circuit 110 transmits a detection signal to the controller 160. In this embodiment, the conduction direction switching circuit 120, the dc power supply branch circuit 130, and the indoor unit communication circuit 110 are sequentially connected in series, but the connection manner in which the dc power supply branch circuit 130, the conduction direction switching circuit 120, and the indoor unit communication circuit 110 are sequentially connected in series is considered to be the same as this embodiment.
In some application scenarios, after the air conditioner is powered on, the conducting direction switching circuit 120 is in the first conducting state, the indoor communication circuit is in the signal receiving state, and transmits the received signal to the controller 160, the controller 160 determines the standby type of the outdoor unit according to whether the signal can be received, then switches the conducting direction switching circuit 120 to the second conducting state, and selects a communication protocol and a control strategy corresponding to the standby type of the outdoor unit from preset communication protocols and control strategies according to the standby type of the outdoor unit, based on the selected communication protocol and control strategy, the outdoor unit is communicated with and controlled, and the air conditioner enters the normal working state.
Fig. 2 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure.
In this embodiment, the conduction direction switching circuit 120 includes:
a first diode D1;
a first switch K1 connected in parallel with the first diode D1;
when the first switch K1 is turned off, the on-direction switching circuit 120 is in the first on state.
The embodiment can realize the switching of the conducting direction of the circuit. In the conducting direction switching circuit 120, with one end of the circuit where the anode of the first diode D1 is located as a first end and one end of the circuit where the cathode of the first diode D1 is located as a second end, when the first switch K1 is turned off, the conducting direction switching circuit 120 is in a first conducting state, the conducting direction switching circuit 120 is a unidirectional conducting circuit, and the conducting direction is from the first end to the second end; when the first switch K1 is in the on state, the conduction direction switching circuit 120 is in the second on state, and the conduction direction switching circuit 120 is a bidirectional conduction circuit and may conduct from the first terminal to the second terminal or from the second terminal to the first terminal.
Fig. 3 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure.
In this embodiment, the dc supply branch 130 includes:
a second diode D2;
one end of the filter circuit 131 is connected to the cathode of the second diode D2, and the other end of the filter circuit 131 is grounded.
The dc power supply branch 130 can convert ac power into dc power to supply power to the signal line 111, so that the indoor unit and the outdoor unit can communicate successfully.
Fig. 4 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure.
In this embodiment, the filter circuit 131 includes: the electrolytic capacitor C1 is connected with the non-electrolytic capacitor C2, and the electrolytic capacitor C1 is connected with the non-electrolytic capacitor C2 in parallel.
In the filter capacitor, the electrolytic capacitor C1 can filter low harmonics, and the non-electrolytic capacitor C2 can filter higher harmonics.
Fig. 5 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure.
In this embodiment, the dc power supply branch 130 further includes: a resistor R connected in series with the cathode of the second diode D2; one end of the filter circuit 131 is directly connected to the cathode of the second diode D2, or one end of the filter circuit 131 is connected to the cathode of the second diode D2 through a resistor R.
In this embodiment, the resistor R is effective to limit the current in the signal line 111.
Fig. 6 and 7 are schematic diagrams of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure.
In this embodiment, the N-phase input terminal of the rectifying circuit 140 is connected to the power supply input terminal of the conduction direction switching circuit 120.
The rectifying circuit 140 provides electric energy to the dc power supply branch 130, and when the conducting direction switching circuit 120 is in the first conducting state, the conducting direction switching circuit 120 and the dc power supply branch 130 may intercept the current to reduce the backflow occurring in the signal line 111, and when determining whether the outdoor unit is a low standby power consumption outdoor unit, the accuracy of the determination result may be improved.
Alternatively, the cathode of the first diode D1 is connected to the N-phase input terminal of the rectifying circuit 140, and the anode of the first diode D1 is connected to the anode of the second diode D2.
The "connection" in this embodiment means that the electrical connection, i.e., the cathode of the first diode D1 and the N phase of the rectification circuit 140 are conductive.
Fig. 8 is a schematic diagram of a circuit for identifying an outdoor unit with low standby power consumption according to an embodiment of the present disclosure.
In this embodiment, the circuit for identifying the low standby power consumption outdoor unit further includes a second switch K2, and the second switch K2 is connected in series with the conduction direction switching circuit 120. The second switch K2 is turned on, and the circuit for identifying the low standby power outdoor unit is operable, and the second switch K2 is turned off, and the circuit for identifying the low standby power outdoor unit is in an open state and is inoperable.
Optionally, the circuit for identifying the low standby power outdoor unit further includes a third switch K3, wherein one end of the third switch K3 is connected to the signal line 111, and the other end of the third switch K3 is connected to the power input terminal of the dc power supply branch 130.
When one outdoor unit is a low standby power consumption outdoor unit, the third switch K3 is turned on, and a power supply loop of the outdoor unit can be connected, so that the process of starting the outdoor unit is realized.
Optionally, the circuit for identifying the low standby power outdoor unit further includes a third diode D3, and the third diode D3 is connected in series to the signal line 111.
In the above embodiment, when the air conditioner is operating normally, the current in the signal line 111 flows from the indoor unit to the outdoor unit, and based on the flow direction of the current, the above embodiment provides the arrangement manner of the diode; in the technical solution of the present application, a scenario that the current in the signal line 111 flows from the outdoor unit to the indoor unit is also included, and in the scenario, the setting manner of the diodes in the above embodiments may be changed, which is not described herein again.
Fig. 9 is a schematic diagram of an indoor control circuit and an outdoor control circuit provided in an embodiment of the present disclosure.
In this embodiment, the connection terminals L, N, C of the indoor unit circuit are connected to the connection terminals L, N, C of the outdoor unit circuit, respectively. In the indoor unit, an input end of the first electromagnetic interference filter 171 is connected to the connection terminal L, N, an output end of the first electromagnetic interference filter 171 is connected to an input end of the first rectifying circuit 141, a direct current output end of the first rectifying circuit 141 is connected to an input end of the first switching power supply 151, the first switch K1 supplies power to the first controller 161, and the first controller 161 is connected to the indoor communication circuit in a communication manner; in the outdoor unit, an input end of the second electromagnetic interference filter 271 is connected to the connection terminal L, N, an output end of the second electromagnetic interference filter 271 is connected to an input end of the second rectifying circuit 241, a dc output end of the second rectifying circuit 241 is connected to the second switching power supply 251, the second switching power supply 251 supplies power to the second controller 262, and the second controller 262 is connected to the outdoor communication circuit in communication, wherein the fourth switch K4 is disposed on the N phase between the connection terminal and the second electromagnetic interference filter 271, the fifth switch K5 is a single-pole double-throw switch, a first end of the fifth switch K5 is connected to the connection terminal C, a second end of the fourth switch K4 is connected to the outdoor unit signal line, and an end of the fourth switch K4 is connected to the second electromagnetic interference filter 271. In this embodiment, the outdoor unit is a low standby power consumption outdoor unit.
In some application scenarios, during normal operation of the air conditioner, the first switch K1 is in an on state, the second switch K2 is in an on state, the third switch K3 is in an off state, the fourth switch K4 is in an on state, and the first terminal and the third terminal of the fifth switch K5 are turned on; when the air conditioner is in a standby state, the fourth switch K4 is switched off, the first end and the second end of the fifth switch K5 are switched on, and the outdoor unit is in a power-off state; when the air conditioner is started, the first switch K1 is closed, the second switch K2 is closed, the third switch K3 is closed, the power supply loop of the outdoor unit is conducted, the second controller 262 of the outdoor unit is powered on, the fourth switch K4 can be controlled to be closed, the first end and the third end of the fifth switch K5 are conducted, at the moment, in the indoor unit, the third switch K3 is disconnected, and the air conditioner can normally work.
The embodiment of the disclosure provides an air conditioner.
In some embodiments, the air conditioner includes the circuit for identifying the low standby power consumption outdoor unit provided in the foregoing embodiments.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. The examples merely typify possible variations. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the disclosed embodiments includes the full ambit of the claims, as well as all available equivalents of the claims. As used in this application, although the terms "first," "second," etc. may be used in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, unless the meaning of the description changes, so long as all occurrences of the "first element" are renamed consistently and all occurrences of the "second element" are renamed consistently. The first and second elements are both elements, but may not be the same element.
This description describes examples of embodiments of the present application and is not intended to describe and illustrate all possible forms of the present application. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Specific structural and functional details disclosed are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present application. It will be appreciated by persons skilled in the art that a plurality of features illustrated and described with reference to any one of the figures may be combined with features illustrated in one or more other figures to form embodiments which are not explicitly illustrated or described. The described combination of features provides a representative embodiment for a typical application. However, various combinations and modifications of the features consistent with the teachings of the present application may be used as desired for particular applications or implementations.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A circuit for identifying an outdoor unit with low standby power consumption, comprising:
the indoor unit communication circuit is communicated with an outdoor unit communication circuit in the outdoor unit through a signal line;
the conducting direction switching circuit is connected in series with the direct current power supply branch of the signal wire;
when the conduction direction switching circuit is in a first conduction state, the conduction direction of the conduction direction switching circuit is opposite to the current direction of the direct current power supply branch circuit.
2. The circuit of claim 1, wherein the conduction direction switching circuit comprises:
a first diode;
a first switch connected in parallel with the first diode;
wherein when the first switch is turned off, the conduction direction switching circuit is in the first conduction state.
3. The circuit of claim 1, wherein the dc supply branch comprises:
a second diode;
and one end of the filter circuit is connected with the cathode of the second diode, and the other end of the filter circuit is grounded.
4. The circuit of claim 3, wherein the filtering circuit comprises:
an electrolytic capacitor;
and the non-electrolytic capacitor is connected with the electrolytic capacitor in parallel.
5. The circuit of claim 3, wherein the DC supply branch further comprises:
the resistor is connected in series with the cathode of the second diode;
one end of the filter circuit is directly connected with the cathode of the second diode, or one end of the filter circuit is connected with the cathode of the second diode through the resistor.
6. The circuit of any one of claims 1 to 5, further comprising:
and the N-phase input end of the rectifying circuit is connected with the power supply input end of the conduction direction switching circuit.
7. The circuit of claim 6,
the cathode of the first diode is connected with the N-phase input end of the rectifying circuit, and the anode of the first diode is connected with the anode of the second diode.
8. The circuit of any of claims 1 to 5, further comprising:
and the second switch is connected in series with the conduction direction switching circuit.
9. The circuit of any of claims 1 to 5, further comprising:
and one end of the third switch is connected with the signal wire, and the other end of the third switch is connected with the power supply input end of the direct current power supply branch.
10. An air conditioner, comprising the circuit for identifying an outdoor unit with low standby power according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753389.XA CN112393395B (en) | 2019-08-15 | 2019-08-15 | Circuit for identifying low-standby-power-consumption outdoor unit and air conditioner |
| PCT/CN2019/123962 WO2021027199A1 (en) | 2019-08-15 | 2019-12-09 | Circuit for identifying outdoor unit having low standby power consumption, and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910753389.XA CN112393395B (en) | 2019-08-15 | 2019-08-15 | Circuit for identifying low-standby-power-consumption outdoor unit and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112393395A true CN112393395A (en) | 2021-02-23 |
| CN112393395B CN112393395B (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910753389.XA Active CN112393395B (en) | 2019-08-15 | 2019-08-15 | Circuit for identifying low-standby-power-consumption outdoor unit and air conditioner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112393395B (en) |
| WO (1) | WO2021027199A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396711B (en) * | 2022-01-11 | 2023-02-28 | 珠海格力电器股份有限公司 | Standby control circuit of air conditioner outdoor unit and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906697A (en) * | 2017-10-13 | 2018-04-13 | Tcl空调器(中山)有限公司 | Air conditioner |
| CN108168048A (en) * | 2017-11-16 | 2018-06-15 | 青岛海尔空调器有限总公司 | Identify the method, apparatus and air-conditioning of air-conditioning circuit |
| CN108224707A (en) * | 2017-11-29 | 2018-06-29 | 珠海格力电器股份有限公司 | The air-conditioning internal-external machine means of communication, device and air-conditioning |
| KR20180128750A (en) * | 2017-05-24 | 2018-12-04 | 엘지전자 주식회사 | Air conditioner |
| CN109764503A (en) * | 2019-01-15 | 2019-05-17 | 海信（广东）空调有限公司 | Power-supplying circuit and air conditioner outside a kind of air conditioning chamber |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000205627A (en) * | 1999-01-07 | 2000-07-28 | Matsushita Electric Ind Co Ltd | Waiting operation controller for air conditioner |
| CN105337598A (en) * | 2014-07-29 | 2016-02-17 | 青岛海尔空调器有限总公司 | Air conditioner, and circuit having low stand-by power consumption and control method thereof |
| CN205299839U (en) * | 2015-12-31 | 2016-06-08 | 广东美的制冷设备有限公司 | Standby control circuit and air conditioning equipment |
| CN108800484B (en) * | 2018-06-20 | 2020-07-03 | 广东美的制冷设备有限公司 | Air conditioner power control circuit, controller and air conditioner |
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2019
- 2019-08-15 CN CN201910753389.XA patent/CN112393395B/en active Active
- 2019-12-09 WO PCT/CN2019/123962 patent/WO2021027199A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180128750A (en) * | 2017-05-24 | 2018-12-04 | 엘지전자 주식회사 | Air conditioner |
| CN107906697A (en) * | 2017-10-13 | 2018-04-13 | Tcl空调器(中山)有限公司 | Air conditioner |
| CN108168048A (en) * | 2017-11-16 | 2018-06-15 | 青岛海尔空调器有限总公司 | Identify the method, apparatus and air-conditioning of air-conditioning circuit |
| CN108224707A (en) * | 2017-11-29 | 2018-06-29 | 珠海格力电器股份有限公司 | The air-conditioning internal-external machine means of communication, device and air-conditioning |
| CN109764503A (en) * | 2019-01-15 | 2019-05-17 | 海信（广东）空调有限公司 | Power-supplying circuit and air conditioner outside a kind of air conditioning chamber |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021027199A1 (en) | 2021-02-18 |
| CN112393395B (en) | 2022-01-21 |
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