CN203215919U - Low-power-consumption standby circuit device and air conditioner - Google Patents
Low-power-consumption standby circuit device and air conditioner Download PDFInfo
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- CN203215919U CN203215919U CN 201320232729 CN201320232729U CN203215919U CN 203215919 U CN203215919 U CN 203215919U CN 201320232729 CN201320232729 CN 201320232729 CN 201320232729 U CN201320232729 U CN 201320232729U CN 203215919 U CN203215919 U CN 203215919U
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Abstract
The utility model discloses a low-power-consumption standby circuit device comprising a main power supply, an auxiliary power supply, a first control switch and a control circuit module, wherein the input end of the main power supply is connected to an external power supply through the first control switch, and the output end of the main power supply is connected to an external load for supplying power to the external load; the input end of the auxiliary power supply is directly connected to the external power supply, and the output end of the auxiliary power supply is connected with the control circuit module; the control circuit module comprises an MCU (Microprogrammed Control Unit) module and a signal receiving circuit, and the MCU module controls the on/off of the first control switch. The utility model further relates to an air conditioner utilizing the low-power-consumption standby circuit device. Since power supply is reasonably distributed to the low-power-consumption standby circuit device, the air conditioner achieves a standard 0W standby target, thereby not only reducing the power consumption at a standby state, but also enhancing the anti-interference ability of a main chip.
Description
Technical field
The utility model relates to electric and refrigerating field, particularly relates to a kind of low power consumption standby circuit device and air-conditioner.
Background technology
Present household electrical appliance controller, usually all be to adopt a kind of power source design power supply, for example, controller of air conditioner is namely swept the dynamo-electric road of wind-powered electricity generation, indoor set display board, mainboard, display board under holding state master chip all gets, power consumption is up to more than the 3W under the holding state, so both waste electric energy, increased potential safety hazard again.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of low power consumption standby circuit device and air-conditioner, and by rational power distribution, it realizes low-power consumption under holding state, and the utility model realizes that the technical scheme that above-mentioned purpose adopts is:
A kind of low power consumption standby circuit device comprises main power source, auxiliary power, first gauge tap and control circuit module;
The input of described main power source is connected to the peripheral hardware power supply by described first gauge tap, and output then is connected to the peripheral hardware load, is used for powering to the peripheral hardware load;
The input of described auxiliary power is connected directly to the peripheral hardware power supply, and output connects described control circuit module;
Described control circuit module comprises MCU module and signal receiving circuit, the break-make of described first gauge tap of described MCU module controls.
More preferably, described low power consumption standby circuit device also comprises second gauge tap;
Described MCU module comprises a MCU and the 2nd MCU; A described MCU described second gauge tap of connecting connects described auxiliary power; Described the 2nd MCU is connected to described auxiliary power; A described MCU and the 2nd MCU power by described auxiliary power;
A described MCU controls the break-make of described first gauge tap, and described the 2nd MCU controls the break-make of described second gauge tap.
More preferably, described low power consumption standby circuit device also comprises Voltage stabilizing module;
The output of the described auxiliary power described Voltage stabilizing module of connecting connects described control circuit module.
More preferably, described Voltage stabilizing module is 7805 chips or DC-DC module.
More preferably, described main power source is multichannel output;
Described auxiliary power is single channel output or multichannel output.
More preferably, described main power source and auxiliary power are Switching Power Supply.
More preferably, described control circuit module also comprises reset circuit and display module; Described reset circuit and display module all are connected the output of described auxiliary power.
Also relate to a kind of air-conditioner, comprise indoor set and off-premises station, it is characterized in that:
Described air-conditioner also comprises above-mentioned low power consumption standby circuit device;
It is described indoor machine of air-conditioner and off-premises station power supply that described low power consumption standby circuit device connects the peripheral hardware power supply;
Described indoor set and off-premises station are in series be used to controlling the 3rd gauge tap that power supply between the two is connected break-make, and described MCU module connects described the 3rd gauge tap, is used for the break-make of described the 3rd gauge tap of control.
Also relate to a kind of air-conditioner, comprise indoor set and off-premises station, described air-conditioner also comprises above-mentioned low power consumption standby circuit device;
It is described indoor machine of air-conditioner and off-premises station power supply that described low power consumption standby circuit device connects the peripheral hardware power supply;
Described indoor set and off-premises station are in series be used to controlling the 3rd gauge tap that power supply between the two is connected break-make, and a described MCU connects described the 3rd gauge tap, is used for the break-make of described the 3rd gauge tap of control.
The beneficial effects of the utility model are:
Low power consumption standby circuit device of the present utility model and air-conditioner, the power supply of low power consumption standby circuit device adopts the power supply of double switch power supply, be applied on the air-conditioner, adopt the air-conditioner of low power consumption standby circuit device of the present utility model, disconnect off-premises station external power and main power source under the air-conditioner holding state, when adopting two MCU, also disconnect the power supply of mainboard VCC at last, mainboard must not, have only display board master chip and signal receiving circuit to be powered by auxiliary power, adopt two master chips to control load on the mainboard and the load on the display board respectively, compare the load of master chip control two parts, reduced the communication interface of chip, can save line between the plate of display board and mainboard load control, reduce cost, enhance productivity; The display board master chip enters low-power consumption mode under the air-conditioner holding state, when namely receiving standby signal, the display board master chip reduces its frequency.By rational power distribution, realized that accurate 0W(is namely less than 50 milliwatts) target of standby.Both reduce the power consumption under the air-conditioner holding state, strengthened the antijamming capability of master chip again.
Description of drawings
Fig. 1 is the circuit connection diagram of air-conditioner one embodiment of the present utility model;
Fig. 2 is the standby step control flow chart of circuit one embodiment shown in Figure 1;
Fig. 3 is the start step control flow chart of circuit one embodiment shown in Figure 1.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples low power consumption standby circuit device of the present utility model and air-conditioner are further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1, air-conditioner of the present utility model comprises indoor set and off-premises station, and indoor set and off-premises station are in series be used to controlling the 3rd gauge tap that power supply between the two is connected break-make; Also be provided with low power consumption standby circuit device on the air-conditioner;
Low power consumption standby circuit device comprises main power source 13, auxiliary power 11, first gauge tap 12 and control circuit module;
The input of main power source 13 is connected to the peripheral hardware power supply by first gauge tap 12, and output then is connected to the peripheral hardware load, is used for powering to the peripheral hardware load; It is described indoor machine of air-conditioner and off-premises station power supply that described low power consumption standby circuit device connects the peripheral hardware power supply;
Described peripheral hardware load comprises first load 3, second load 4, the 6th load 14 and direct current generator (not shown), and wherein, first load 3 is the 14V load, for example electrical heating wire or other additional function load; Second load 4 comprises stepper motor driving circuit and the buzzer circuit for the 12V of (also can be located on the mainboard) on the display board; The 6th load 14 comprises stepper motor.
The input of auxiliary power 11 is connected directly to described peripheral hardware power supply, and output connects the control circuit module; Described control circuit module comprises MCU module and signal receiving circuit, the break-make of MCU module controls first gauge tap 12.The MCU module can comprise a MCU, also can comprise two MCU; That is the MCU module can comprise a master chip, also can comprise two master chips.Signal receiving circuit is used for to the operation signal of MCU module transmission air-conditioner.
More preferably, as a kind of embodiment, low power consumption standby circuit device also comprises second gauge tap 8, described MCU module comprises the 3rd load 6, the 4th load 7, the 5th load 10, also display module 5 can be set in the low power consumption standby circuit device, the output of display module 5 auxiliary connection power supplys 11, display module 5 is display screen or charactron.
Wherein, the 3rd load 6 comprises the 2nd MCU(display board master chip) and reset circuit, the 2nd MCU is used for the load running of control display board 2, and the 4th load 7 is idle other 5V circuit during standby on the display board; The 5th load 10 comprises a MCU(mainboard master chip) and mainboard 1 on idle other circuit during standby, a MCU is used for the load running of control mainboard 1.Signal receiving circuit connects the 2nd MCU, is used for to the operation signal of the 2nd MCU transmission air-conditioner, and signal receiving circuit is that remote control receives a circuit or/and key circuit also can be arranged in the 3rd load 6.
The one MCU connects, and second gauge tap, 8 auxiliary connection power supplys, 11, the two MCU also are connected to auxiliary power 11, the one MCU and the 2nd MCU powers by auxiliary power 11; The one MCU controls the break-make of first gauge tap 12, and the 2nd MCU controls the break-make of second gauge tap 8.The one MCU connects described the 3rd gauge tap, is used for the break-make of described the 3rd gauge tap of control.
Wherein, main power source 13, auxiliary power 11, a MCU, first gauge tap 12 and the 3rd gauge tap are arranged on the mainboard 1; The 2nd MCU, second gauge tap 8 are arranged on the display board 2;
Preferably, first gauge tap 12 and the 3rd gauge tap are relay, and second gauge tap 8 is triode or relay.
More preferably, as a kind of embodiment, the output of auxiliary power 11 series connection Voltage stabilizing module 9 is connected to a MCU and the 2nd MCU; Voltage stabilizing module 9 is 7805 chips or DC-DC module.
When air-conditioner normally moves, main power source 13 and auxiliary power 11 are all worked, in three tunnel outputs of main power source 13, wherein, 15V powers to direct current generator, and 14V is to other functional circuit power supply, for example electrical heating wire or other additional function circuit etc., the buzzer circuit that 12V (also can be located on the mainboard 1) on display board 2 and be used for about sweep wind stepper motor driving circuit power supply, also power to stepper motor.
The one MCU and the 2nd MCU communicate to connect, and wherein, TXD is the serial ports transmission signal I0 port that the 2nd MCU sends data, and RXD is the serial ports transmission signal IO port that the 2nd MCU accepts data;
The ground connection GND of first load 3, second load 4, the 6th load 14 connects the ground connection (negative pole) of main power source 13; The ground connection (negative pole) of the ground connection GND auxiliary connection power supply 11 of display module 5, Voltage stabilizing module 9, the 3rd load 6, the 4th load 7 and the 5th load 10.
The one MCU connects second load 4, display module 5, reset circuit and a reception circuit, controls the duty of second load 4, display module 5, reset circuit and a reception circuit.
When the MCU module comprised a MCU, mainboard 1 and display board 2 comprised the start step by this MCU control in the air-conditioner course of work, and described start step comprises the steps:
When the MCU module of the control circuit module of the low power consumption standby circuit device of air-conditioner receive starting-up signal or again when electric, described MCU module is 12 conductings of described first gauge tap of control earlier, control the 3rd gauge tap conducting of air-conditioner again, the main power source 13 of described low power consumption standby circuit device, off-premises station and indoor set load circuit get electric, and air-conditioner enters normal operating condition.
When the MCU module comprises a MCU, comprise the standby step in the air-conditioner course of work, described standby step comprises the steps:
After described air-conditioner entered standby mode, described MCU module described the 3rd gauge tap of control earlier disconnected, and controlled described first gauge tap 12 again and disconnected, and disconnected being connected between indoor set and the off-premises station, cut off being connected of main power source 13 and peripheral hardware power supply;
Described MCU module enters low-power consumption mode.It is the clock frequency of MCU on the described MCU module setpoint frequency when being lower than its operate as normal.During the air-conditioner shutdown, the off-premises station of air-conditioner and indoor set load circuit dead electricity, air-conditioner enters standby mode.When the MCU module receives starting-up signal, namely withdraw from low-power consumption mode.
More preferably, as a kind of embodiment, described standby step comprises the steps:
When described MCU module was received off signal, then described the 3rd gauge tap disconnection of described MCU module control earlier made the off-premises station outage, controlled 12 disconnections of first gauge tap again and made main power source 13 outages;
Judge in first Preset Time of MCU module after first gauge tap 12 disconnects and whether receive operation signal; If then be prohibited from entering low-power consumption mode; Otherwise described MCU module enters low-power consumption mode.Preferably, first Preset Time is 1 minute.
When the MCU module comprises two MCU, when namely the MCU module comprises a MCU and the 2nd MCU, comprise the start step in the air-conditioner course of work, the start step as shown in Figure 3;
The start step is: when the 2nd MCU receive starting-up signal or the 2nd MCU again when electric, second gauge tap 8 conducting under the control of the 2nd MCU, the one MCU gets, the one MCU successively controls first gauge tap 12 and the 3rd gauge tap conducting, main power source 13, off-premises station and indoor set load circuit get electric, and air-conditioner enters normal operating condition;
When the MCU module comprises two MCU, comprise standby machine step in the air-conditioner course of work, the standby step as shown in Figure 2;
The standby step is: after air-conditioner entered standby mode, a MCU earlier control the 3rd gauge tap disconnected, and controlled first gauge tap 12 again and disconnected, and disconnect indoor set and is connected with power supply between the off-premises station, and being connected of cut-out main power source 12 and peripheral hardware power supply;
The 2nd MCU controls second gauge tap 8 and disconnects, and cuts off being connected of a MCU and the 2nd MCU, and the 2nd MCU enters low-power consumption mode.
Setpoint frequency when the 2nd MCU enters low-power consumption mode and refers to that the clock frequency of the 2nd MCU is lower than its operate as normal;
More preferably, as a kind of embodiment, described standby step may further comprise the steps:
S1; When a MCU receives the off signal that the 2nd MCU sends, and when in second Preset Time, not receiving the signal of the 2nd MCU transmission again, then MCU control the 3rd gauge tap disconnection earlier makes the off-premises station outage, controls 12 disconnections of first gauge tap again and makes main power source 13 outages;
S2; Judge in the 3rd Preset Time of the 2nd MCU after first gauge tap 8 disconnects whether receive operation signal, if forbid that then the 2nd MCU enters low-power consumption mode; Otherwise the 2nd MCU controls second gauge tap 8 and disconnects, and the 2nd MCU enters low-power consumption mode.
Described operation signal is remote signal or button operation signal or button touch signal.Preferably, described second Preset Time is 5 minutes; Described the 3rd Preset Time is 1 minute.
In above-described embodiment, the 2nd MCU can adopt 2 frequency divisions, namely the 2nd MCU enter low-power consumption mode frequency during for its operate as normal setpoint frequency 1/2.When the 2nd MCU received starting-up signal, the 2nd MCU withdrawed from low-power consumption mode.
During the air-conditioner standby, low power consumption standby circuit device only provides power supply by auxiliary power 11, and VCC_ON control VCC and 5V disconnection make VCC=0V, mainboard must not be in the electricity state, only the 2nd MCU (display board master chip), reset circuit and a reception circuit get in the low power consumption standby circuit device.
When the 2nd MCU receives remote control useful signal or touch key-press signal or power down when re-powering, then the 2nd MCU control 5V control circuit is connected, the one MCU gets, the one MCU gets electric back control first gauge tap 12 and the 3rd gauge tap closure, automatically controlled plate on main power source 13, the off-premises station gets electric, and air-conditioner normally moves.
Low power consumption standby circuit device in above-described embodiment is arranged on the air-conditioner, in the control of air-conditioner, by rational power distribution, drive circuit is powered by main power source, display board is powered by auxiliary power, when entering standby, dynamo-electric source outside the disconnection chamber of elder generation, disconnect main power source again, also disconnect the power supply of mainboard VCC when adopting two MCU at last, only making auxiliary power is the display board power supply, and for example only making auxiliary power is that display board master chip and remote controller receive a circuit (signal receiving device) power supply, realizes the target (being that standby power is less than 50 milliwatts) of accurate 0W low-power consumption standby; Solved existing air-conditioner (particularly transducer air conditioning) technical problem that standby power is big; When adopting two master chips, two master chips are controlled load on the mainboard and the load on the display board respectively, compare the load of master chip control two parts, reduced the communication interface of chip, can save display board and mainboard load control plate between line, reduce cost, enhance productivity; Increased the antijamming capability of master chip simultaneously.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. low power consumption standby circuit device is characterized in that:
Comprise main power source, auxiliary power, first gauge tap and control circuit module;
The input of described main power source is connected to the peripheral hardware power supply by described first gauge tap, and output then is connected to the peripheral hardware load, is used for powering to the peripheral hardware load;
The input of described auxiliary power is connected directly to the peripheral hardware power supply, and output connects described control circuit module;
Described control circuit module comprises MCU module and signal receiving circuit, the break-make of described first gauge tap of described MCU module controls.
2. low power consumption standby circuit device according to claim 1 is characterized in that:
Described low power consumption standby circuit device also comprises second gauge tap;
Described MCU module comprises a MCU and the 2nd MCU; A described MCU described second gauge tap of connecting connects described auxiliary power; Described the 2nd MCU is connected to described auxiliary power; A described MCU and the 2nd MCU power by described auxiliary power;
A described MCU controls the break-make of described first gauge tap, and described the 2nd MCU controls the break-make of described second gauge tap.
3. low power consumption standby circuit device according to claim 1 is characterized in that:
Also comprise Voltage stabilizing module;
The output of the described auxiliary power described Voltage stabilizing module of connecting connects described control circuit module.
4. low power consumption standby circuit device according to claim 3 is characterized in that:
Described Voltage stabilizing module is 7805 chips or DC-DC module.
5. low power consumption standby circuit device according to claim 1 is characterized in that:
Described main power source is multichannel output;
Described auxiliary power is single channel output or multichannel output.
6. low power consumption standby circuit device according to claim 5 is characterized in that:
Described main power source and auxiliary power are Switching Power Supply.
7. according to each described low power consumption standby circuit device of claim 1-6, it is characterized in that:
Described control circuit module also comprises reset circuit and display module; Described reset circuit and display module all are connected the output of described auxiliary power.
8. an air-conditioner comprises indoor set and off-premises station, it is characterized in that:
Described air-conditioner also comprises claim 1 or 3 or 4 or 5 or 6 described low power consumption standby circuit devices;
It is described indoor machine of air-conditioner and off-premises station power supply that described low power consumption standby circuit device connects the peripheral hardware power supply;
Described indoor set and off-premises station are in series be used to controlling the 3rd gauge tap that power supply between the two is connected break-make, and described MCU module connects described the 3rd gauge tap, is used for the break-make of described the 3rd gauge tap of control.
9. an air-conditioner comprises indoor set and off-premises station, it is characterized in that:
Described air-conditioner also comprises the described low power consumption standby circuit device of claim 2;
It is described indoor machine of air-conditioner and off-premises station power supply that described low power consumption standby circuit device connects the peripheral hardware power supply;
Described indoor set and off-premises station are in series be used to controlling the 3rd gauge tap that power supply between the two is connected break-make, and a described MCU connects described the 3rd gauge tap, is used for the break-make of described the 3rd gauge tap of control.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320232729 CN203215919U (en) | 2013-05-02 | 2013-05-02 | Low-power-consumption standby circuit device and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320232729 CN203215919U (en) | 2013-05-02 | 2013-05-02 | Low-power-consumption standby circuit device and air conditioner |
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| CN 201320232729 Expired - Lifetime CN203215919U (en) | 2013-05-02 | 2013-05-02 | Low-power-consumption standby circuit device and air conditioner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644629A (en) * | 2013-12-26 | 2014-03-19 | 珠海格力电器股份有限公司 | Operational control method and system of air-tube-type air conditioner |
| CN104132420A (en) * | 2013-05-02 | 2014-11-05 | 珠海格力电器股份有限公司 | Low-power consumption standby circuit device, air conditioner and control method of air conditioner |
| CN104110785B (en) * | 2013-12-23 | 2017-01-18 | 广东美的制冷设备有限公司 | Air conditioner and awakening control method thereof |
| CN108488948A (en) * | 2018-06-05 | 2018-09-04 | 珠海格力电器股份有限公司 | Air-conditioning, air-conditioner control system and outdoor unit switching circuit |
| CN109539481A (en) * | 2018-10-31 | 2019-03-29 | 珠海格力电器股份有限公司 | A kind of air conditioner energy saving control method, air-conditioning system, computer and storage medium |
-
2013
- 2013-05-02 CN CN 201320232729 patent/CN203215919U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132420A (en) * | 2013-05-02 | 2014-11-05 | 珠海格力电器股份有限公司 | Low-power consumption standby circuit device, air conditioner and control method of air conditioner |
| WO2014177056A1 (en) * | 2013-05-02 | 2014-11-06 | 珠海格力电器股份有限公司 | Low-power consumption standby circuit device, air conditioner and control method for air conditioner |
| CN104132420B (en) * | 2013-05-02 | 2017-04-12 | 珠海格力电器股份有限公司 | Low-power consumption standby circuit device, air conditioner and control method of air conditioner |
| US9939166B2 (en) | 2013-05-02 | 2018-04-10 | Gree Electric Appliances Inc. | Low-power consumption standby circuit device, air conditioner and control method for air conditioner |
| CN104110785B (en) * | 2013-12-23 | 2017-01-18 | 广东美的制冷设备有限公司 | Air conditioner and awakening control method thereof |
| CN103644629A (en) * | 2013-12-26 | 2014-03-19 | 珠海格力电器股份有限公司 | Operational control method and system of air-tube-type air conditioner |
| CN103644629B (en) * | 2013-12-26 | 2016-08-17 | 珠海格力电器股份有限公司 | The progress control method of a kind of air-cooled ducted air conditioner and system |
| CN108488948A (en) * | 2018-06-05 | 2018-09-04 | 珠海格力电器股份有限公司 | Air-conditioning, air-conditioner control system and outdoor unit switching circuit |
| CN108488948B (en) * | 2018-06-05 | 2023-11-14 | 珠海格力电器股份有限公司 | Air conditioner, air conditioner control system and outdoor unit switch circuit |
| CN109539481A (en) * | 2018-10-31 | 2019-03-29 | 珠海格力电器股份有限公司 | A kind of air conditioner energy saving control method, air-conditioning system, computer and storage medium |
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Assignee: GREE ELECTRIC APPLIANCE (WUHU) Co.,Ltd. Assignor: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Contract record no.: 2014440000103 Denomination of utility model: Low-power consumption standby circuit device, air conditioner and control method of air conditioner Granted publication date: 20130925 License type: Exclusive License Record date: 20140314 |
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Assignee: GREE ELECTRIC APPLIANCE (WUHU) Co.,Ltd. Assignor: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Contract record no.: 2014340000081 Denomination of utility model: Low-power consumption standby circuit device, air conditioner and control method of air conditioner Granted publication date: 20130925 License type: Exclusive License Record date: 20140417 |
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