CN105823182A - Standby control circuit and air conditioner - Google Patents
Standby control circuit and air conditioner Download PDFInfo
- Publication number
- CN105823182A CN105823182A CN201610239841.7A CN201610239841A CN105823182A CN 105823182 A CN105823182 A CN 105823182A CN 201610239841 A CN201610239841 A CN 201610239841A CN 105823182 A CN105823182 A CN 105823182A
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- Prior art keywords
- standby
- mcu
- control circuit
- control
- circuit
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
Abstract
The invention discloses a standby control circuit and an air conditioner and relates to the field of household appliances. The standby control circuit and the air conditioner are used for solving the problem that the low-consumption standby mode is hard to achieve in household appliances in the prior art. The standby control circuit comprises a standby power supply, a main power supply, a master control MCU, a standby MCU and an alternating current power control circuit. The standby control circuit in the embodiment is used for the air conditioner.
Description
Technical field
The present invention relates to household appliance technical field, particularly relate to a kind of readiness control circuit and air-conditioner.
Background technology
The household electrical appliance such as air-conditioner are that power supply can not be disconnected by start demand completely that meet user in the standby state, need MCU (English name: microcontrollerunit, Chinese: micro-control unit) in running order, can start according to the operation of user at any time, therefore controller must normally work, but expectation reduces the consumption of electric energy in the standby state, reaches energy-conservation purpose as far as possible.
Prior art is that two MCU power by a power supply, one of them MCU works in normal operation, normally work for Control peripheral circuit, another MCU is operated in holding state, receive for only carrying out basic signal, and other peripheral circuits do not work, reduce stand-by power consumption, but limited by power specification, when single power supply meets and enough energy can be provided in normal operation to export, himself power consumption is the biggest, the most still can consume relatively multi-energy, it is impossible to realize low-power consumption standby.
Summary of the invention
Embodiments of the invention provide a kind of readiness control circuit and air-conditioner, for solving the problem that household electrical appliance in prior art are difficult to low-power consumption standby.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
First aspect, it is provided that a kind of readiness control circuit, including:
Standby power, is used for accessing civil power and powering for alternating-current power control circuit and standby MCU in the standby state；
Main electricity, powers for main control MCU and peripheral circuit for accessing described civil power in normal operation；
Described main control MCU, sends the first control signal to described standby MCU in time meeting certain condition under described normal operating conditions, and wherein, described first control signal is used for indicating described standby MCU to enter described holding state；
Described standby MCU, described holding state is entered after receiving described first control signal under described normal operating conditions, and control described alternating-current power control circuit and enter described holding state, be additionally operable to when meeting certain condition in the said standby state control described alternating-current power control circuit and described main control MCU enters described normal operating conditions；
Described alternating-current power control circuit, for disconnecting according to the instruction of described standby MCU or connecting the connection of described civil power and described main electricity.
Second aspect, it is provided that a kind of air-conditioner, including the readiness control circuit described in first aspect.
The readiness control circuit of present invention offer and air-conditioner, wherein, standby power, it is used for accessing civil power and powering for alternating-current power control circuit and standby MCU in the standby state；Main electricity, powers for main control MCU and peripheral circuit for accessing civil power in normal operation；Main control MCU, sends the first control signal to standby MCU during for meeting certain condition in normal operation, and wherein, the first control signal is used for indicating standby MCU to enter holding state；Standby MCU, holding state is entered after receiving the first control signal in normal operation, and control alternating-current power control circuit and enter holding state, control alternating-current power control circuit when being additionally operable to meet in the standby state certain condition and main control MCU enters normal operating conditions；Alternating-current power control circuit, for disconnecting according to the instruction of standby MCU or connecting the connection of civil power and main electricity.By being main control MCU by main electricity in normal state and peripheral circuit is powered, in the standby state, the standby power relatively low by stand-by power consumption is powered for standby MCU, run standby program by standby MCU to be ready at all times to wake up up, solve the problem that household electrical appliance in prior art are difficult to low-power consumption standby.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the air-conditioner that Fig. 1 provides for embodiments of the invention；
The structural representation of a kind of readiness control circuit that Fig. 2 provides for embodiments of the invention；
The structural representation of the another kind of readiness control circuit that Fig. 3 provides for embodiments of the invention；
The schematic diagram of the conditional code persistent period of the second control signal that the power-up period that Fig. 4 provides for embodiments of the invention wakes up up less than instruction.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
The invention provides a kind of air-conditioner, with reference in Fig. 1, including off-premises station 1 and indoor set 2, wherein, indoor set 2 includes the readiness control circuit 21 that the present invention provides.
Embodiment 1,
With reference to shown in Fig. 2, the invention provides a kind of readiness control circuit, be applied to the air-conditioner described in Fig. 1, including: standby power 211, main electricity 212, main control MCU 213, standby MCU214 and alternating-current power control circuit 215.Wherein:
Standby power 211, is used for accessing civil power and powering for alternating-current power control circuit 215 and standby MCU214 in the standby state.
Wherein, standby power 211 is low power power supply, it is not suitable for the peripheral circuit driving compressor etc. to consume relatively high power, but its powerful power supply of power dissipation ratio in the standby state is lower, is more suitable for driving in the standby state the most standby MCU214 of circuit of low-power consumption.Although standby power 211 is powered for alternating-current power control circuit 215 in the standby state, but alternating-current power control circuit 215 does not consume electric energy, only controls just to consume electric energy when alternating-current power control circuit 215 carries out switch motion as standby MCU214.
Main electricity 212, powers for main control MCU 213 and peripheral circuit 216 for accessing civil power in normal operation.
Wherein, main electricity 212 is high-power power supply, meets the power output requirement under normal operating conditions.
Main control MCU 213, sends the first control signal to standby MCU214 during for meeting certain condition in normal operation, and wherein, the first control signal is used for indicating standby MCU214 to enter holding state.
Wherein, main control MCU 213 is properly functioning for controlling equipment in normal state, and the stand-by power consumption not requirement to main control MCU 213 in the present invention, because main control MCU 213 is fully powered-off in the standby state.Main control MCU 213 indicate when meeting certain condition in normal state standby MCU214 enter holding state, described meet certain condition may include that long time no operations, timed task to the time, receive shutdown command etc..
Standby MCU214, holding state is entered after receiving the first control signal in normal operation, and control alternating-current power control circuit 215 and enter holding state, control alternating-current power control circuit 215 when being additionally operable to meet in the standby state certain condition and main control MCU 213 enters normal operating conditions.
Wherein, standby MCU214 needs to have park mode and have interruption arousal function, in normal operation, only it is responsible for monitoring whether main control MCU 213 is sent to the first control signal, receiving the first control signal hence into holding state, now run with lower frequency, and only operation standby program wakes up up to monitor interruption, therefore consume electric energy less.And when meeting certain condition, control alternating-current power control circuit 215 and main control MCU 213 and enter normal operating conditions, described meet certain condition may include that timed task to the time, receive start-up command etc..
Alternating-current power control circuit 215, for disconnecting according to the instruction of standby MCU214 or connecting the connection of civil power and main electricity 212.
Concrete, if standby MCU214 instruction alternating-current power control circuit 215 enters holding state, then control civil power to disconnect with main electricity 212, now main electricity 212 is no longer powered for main control MCU 213 and peripheral circuit 216, consume electric energy when preventing main electricity 212 unloaded, reach the purpose of stand-by energy-saving.If standby MCU214 instruction alternating-current power control circuit 215 enters normal operating conditions, then controlling civil power and turn on main electricity 212, now main electricity 212 starts to power for main control MCU 213 and peripheral circuit 216.
Preferably, the actuator of alternating-current power control circuit 215 includes relay.
The readiness control circuit that the present invention provides, including: standby power, it is used for accessing civil power and powering for alternating-current power control circuit and standby MCU in the standby state；Main electricity, powers for main control MCU and peripheral circuit for accessing civil power in normal operation；Main control MCU, sends the first control signal to standby MCU during for meeting certain condition in normal operation, and wherein, the first control signal is used for indicating standby MCU to enter holding state；Standby MCU, holding state is entered after receiving the first control signal in normal operation, and control alternating-current power control circuit and enter holding state, control alternating-current power control circuit when being additionally operable to meet in the standby state certain condition and main control MCU enters normal operating conditions；Alternating-current power control circuit, for disconnecting according to the instruction of standby MCU or connecting the connection of civil power and main electricity.By being main control MCU by main electricity in normal state and peripheral circuit is powered, in the standby state, the standby power relatively low by stand-by power consumption is powered for standby MCU, run standby program by standby MCU to be ready at all times to wake up up, solve the problem that household electrical appliance in prior art are difficult to low-power consumption standby.
Embodiment 2,
The invention provides another kind of readiness control circuit, it is applied to the air-conditioner described in Fig. 1, with reference to shown in Fig. 3, in addition to each circuit described in Fig. 2, optionally, also include: signal receiving circuit 217, for receiving the second control signal that user sends, and in the standby state the conditional code of the second control signal is sent to standby MCU214, or in normal operation the conditional code of the second control signal is sent to main control MCU 215.Preferably, signal receiving circuit 217 is remote control reception head circuit and/or key circuit, and when signal receiving circuit 217 is remote control reception head circuit, the second control signal is remote signal, when signal receiving circuit 217 is key circuit, the second control signal is push button signalling.
Now standby power 211, access civil power and power for signal receiving circuit 217, alternating-current power control circuit 215 and standby MCU214.
Now main control MCU 213 is used for receiving in normal operation the conditional code of the second control signal, and sends the first control signal according to the conditional code of the second control signal to standby MCU214.
The most standby MCU214 enters holding state after receiving the first control signal in normal operation, and control alternating-current power control circuit 215 and signal receiving circuit 217 enters holding state, and for entering normal operating conditions according to the conditional code of the second control signal in the standby state, and control alternating-current power control circuit 215, signal receiving circuit 217 and main control MCU 213 and enter normal operating conditions.
Concrete, the duty conversion to the readiness control circuit that embodiment 2 provides below is described:
Holding state is proceeded to from normal operating conditions
In normal operation, signal receiving circuit 217 is drawn after receiving the second control signal that user sends, the conditional code of the second control signal is sent to main control MCU 213, when main control MCU 213 identify this conditional code instruction shutdown or standby time, preserve related data, perform shutdown action, and when not receiving the conditional code of other kinds of second control signal within a period of time, the first control signal is sent, to indicate standby MCU214 to enter holding state to standby MCU214.
Standby MCU214 enters holding state after receiving the first control signal in normal operation, and the cycle that starts powers to signal receiving circuit 217 and enters holding state with control signal reception circuit 217, in the standby state, control signal is only just received when receiving circuit 217 and powering on, remaining time does not consume electric energy, to reduce standby energy consumption further.Wherein, with reference to shown in Fig. 4, the persistent period of the conditional code of the second control signal that the power-up period that standby MCU214 powers to signal receiving circuit 217 wakes up up less than instruction, to ensure to miss to wake up up.
Standby MCU214 also controls alternating-current power control circuit 215 and enters holding state, wherein, selecting the actuator in alternating-current power control circuit 215 is open type switch, when the most standby MCU214 is to open type switch circuit breaking, naturally the connection of civil power and main electricity 212 is disconnected, then main control MCU 213 and the same dead electricity of peripheral circuit 216, will not consume electric energy, reduces standby energy consumption.Now, standby power 211 keeps power supply to be easy to power on when being only used for waking up up for alternating-current power control circuit 215, and now alternating-current power control circuit 215 does not consume electric energy, to reach to reduce further the purpose of standby energy consumption.
Standby power 211 no-load power consumption in the standby state is less than or equal to 4mW, signal receiving circuit 217, alternating-current power control circuit 215 and standby MCU214 power consumption in the standby state are less than or equal to 1mW, sum of the two is less than or equal to 5mW, meets 5mW standby power requirements standby to zero watt in IEC62301-2011 standard.
Normal operating conditions is proceeded to from holding state
In the standby state, signal receiving circuit 217 receives the second control signal of user's transmission and the conditional code of the second control signal is sent to standby MCU214, normal operating conditions is entered when the conditional code instruction that standby MCU214 identifies the second control signal wakes up up, receive start-up command and the configuration information of user, control alternating-current power control circuit 215, signal receiving circuit 217 and main control MCU 213 and enter normal operating conditions.
Concrete, standby MCU214 switchs to the open type of alternating-current power control circuit 215 and powers on, civil power is turned on main electricity 212, now main electricity 212 starts to power for main control MCU 213 and peripheral circuit 216, communicate with standby MCU214 immediately after main control MCU 213 normally works, the conditional code that receive second controls information is issued main control MCU 213 by the most standby MCU214, the reception authority of the conditional code of the second control signal is also handed to main control MCU 213 by the most standby MCU214, and main control MCU i.e. enters normal operating conditions.
The most standby MCU214 receives circuit 217 to signal receiving circuit 217 continued power with control signal and enters normal operating conditions, persistent signal receives circuit 217 can normally receive the second control signal that user sends, and the conditional code of the second control signal is sent to main control MCU 213.
The readiness control circuit that embodiments of the invention provide, also include in addition to each circuit that Fig. 2 includes: signal receiving circuit, for receiving the second control signal that user sends, and in the standby state the conditional code of the second control signal is sent to standby MCU, or in normal operation the conditional code of the second control signal is sent to main control MCU.After standby MCU holding state, and the cycle that starts powers to signal receiving circuit and receives circuit entrance holding state with control signal, in the standby state, control signal is only just received when receiving circuit and powering on, remaining time does not consume electric energy, to reduce standby energy consumption further, standby power 211 no-load power consumption in the standby state is less than or equal to 4mW, signal receiving circuit 217, alternating-current power control circuit 215 and standby MCU214 power consumption in the standby state are less than or equal to 1mW, sum of the two is less than or equal to 5mW, meet 5mW standby power requirements standby to zero watt in IEC62301-2011 standard.Solve the problem that household electrical appliance in prior art are difficult to low-power consumption standby.
In several embodiments provided herein, it should be understood that disclosed system, equipment and method, can realize by another way.Such as, apparatus embodiments described above is only schematically, such as, the division of described unit, be only a kind of logic function to divide, actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or be desirably integrated into another system, or some features can ignore, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, equipment or unit or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, and the parts shown as unit can be or may not be physical location, i.e. may be located at a place, or can also be distributed on multiple NE.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.
The above; being only the detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (10)
1. a readiness control circuit, it is characterised in that including:
Standby power, is used for accessing civil power and powering for alternating-current power control circuit and standby MCU in the standby state；
Main electricity, powers for main control MCU and peripheral circuit for accessing described civil power in normal operation；
Described main control MCU, sends the first control signal to described standby MCU in time meeting certain condition under described normal operating conditions, and wherein, described first control signal is used for indicating described standby MCU to enter described holding state；
Described standby MCU, described holding state is entered after receiving described first control signal under described normal operating conditions, and control described alternating-current power control circuit and enter described holding state, be additionally operable to when meeting certain condition in the said standby state control described alternating-current power control circuit and described main control MCU enters described normal operating conditions；
Described alternating-current power control circuit, for disconnecting according to the instruction of described standby MCU or connecting the connection of described civil power and described main electricity.
Readiness control circuit the most according to claim 1, it is characterized in that, described readiness control circuit also includes: signal receiving circuit, for receiving the second control signal that user sends, and the conditional code of the most described second control signal is sent to described standby MCU, or in normal operation the conditional code of described second control signal is sent to described main control MCU；
Described standby power, specifically for accessing civil power and powering for described signal receiving circuit, described alternating-current power control circuit and standby MCU.
Readiness control circuit the most according to claim 2, it is characterized in that, described standby power no-load power consumption in the standby state is less than or equal to 4mW, and described signal receiving circuit, described alternating-current power control circuit and described standby MCU power consumption in the said standby state are less than or equal to 1mW.
Readiness control circuit the most according to claim 2, it is characterised in that:
Described main control MCU, specifically for receiving the conditional code of described second control signal under described normal operating conditions, and sends the first control signal according to the conditional code of described second control signal to described standby MCU；
Described standby MCU, specifically for entering holding state after receiving described first control signal under described normal operating conditions, and control described alternating-current power control circuit and described signal receiving circuit enters described holding state, and specifically for entering described normal operating conditions according to the conditional code of described second control signal in the said standby state, and control described alternating-current power control circuit, described signal receiving circuit and the described main control MCU described normal operating conditions of entrance.
Readiness control circuit the most according to claim 4, it is characterised in that described main control MCU, specifically for:
Under described normal operating conditions when the conditional code of the second control signal received indicates and shuts down or be standby, and when not receiving the conditional code of other kinds of second control signal within a period of time, send described first control signal to described standby MCU.
Readiness control circuit the most according to claim 4, it is characterised in that described standby MCU, specifically for:
Described holding state is entered after receiving described first control signal under described normal operating conditions, and the cycle powers to control described signal receiving circuit to described signal receiving circuit and enters described holding state, wherein, the persistent period of the conditional code of the second control signal that power-up period wakes up up less than described instruction.
Readiness control circuit the most according to claim 4, it is characterised in that described standby MCU, specifically for:
Described normal operating conditions is entered in the said standby state when the conditional code of the second control signal received indicates and wakes up up.
Readiness control circuit the most according to claim 1, it is characterised in that described alternating-current power control circuit, specifically for:
If described standby MCU instruction enters described holding state, then control described civil power and disconnect with described main electricity.
Readiness control circuit the most according to claim 1, it is characterised in that described alternating-current power control circuit, specifically for:
If described standby MCU instruction enters described normal operating conditions, then control described civil power and turn on described main electricity.
10. an air-conditioner, including readiness control circuit as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239841.7A CN105823182A (en) | 2016-04-18 | 2016-04-18 | Standby control circuit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239841.7A CN105823182A (en) | 2016-04-18 | 2016-04-18 | Standby control circuit and air conditioner |
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| Publication Number | Publication Date |
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| CN105823182A true CN105823182A (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610239841.7A Pending CN105823182A (en) | 2016-04-18 | 2016-04-18 | Standby control circuit and air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006915A (en) * | 2018-01-11 | 2018-05-08 | 广东美的制冷设备有限公司 | Air conditioning control method and air conditioner |
| CN109489214A (en) * | 2018-11-16 | 2019-03-19 | 广东美的制冷设备有限公司 | Control method, air regulator and the storage medium of air regulator |
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| CN201556159U (en) * | 2009-06-30 | 2010-08-18 | 青岛海信电器股份有限公司 | Low-power consumption standby circuit and liquid crystal display device with same |
| CN201957155U (en) * | 2010-12-31 | 2011-08-31 | 康佳集团股份有限公司 | Energy saving television set |
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2016
- 2016-04-18 CN CN201610239841.7A patent/CN105823182A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201556159U (en) * | 2009-06-30 | 2010-08-18 | 青岛海信电器股份有限公司 | Low-power consumption standby circuit and liquid crystal display device with same |
| CN201957155U (en) * | 2010-12-31 | 2011-08-31 | 康佳集团股份有限公司 | Energy saving television set |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108006915A (en) * | 2018-01-11 | 2018-05-08 | 广东美的制冷设备有限公司 | Air conditioning control method and air conditioner |
| CN109489214A (en) * | 2018-11-16 | 2019-03-19 | 广东美的制冷设备有限公司 | Control method, air regulator and the storage medium of air regulator |
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