CN1987244A - Stand-by power control device and its method for air conditioner - Google Patents
Stand-by power control device and its method for air conditioner Download PDFInfo
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- CN1987244A CN1987244A CN 200510122554 CN200510122554A CN1987244A CN 1987244 A CN1987244 A CN 1987244A CN 200510122554 CN200510122554 CN 200510122554 CN 200510122554 A CN200510122554 A CN 200510122554A CN 1987244 A CN1987244 A CN 1987244A
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Abstract
An electric power control device and method for the air conditioner in standby state features that when the air conditioner is in standby state, its power supply for its all units except microprocessor is cut off and only when user inputs an operation command, the electric power is supplied to the driver of fan motor, so consuming the electric power to minimum.
Description
Technical field
The present invention relates to air-conditioner, particularly relate to a kind of stand-by electric control device and method thereof of air-conditioner, when air-conditioner does not drive, can reduce the stand-by electric that is consumed.
Background technology
In general, air-conditioner is the electric household appliance that indoor air is kept optimal state according to purposes, purpose.For example, in summer, the nice and cool cold-room state of indoor maintenance will be made; In winter, then make the warm greenhouse state of indoor maintenance; Simultaneously, utilize air-conditioner also can regulate indoor humidity, and indoor air can be kept comfortable pure and fresh state.
Along with the product that above-mentioned air-conditioner etc. makes things convenient for the user to live is used widely gradually, and then make user's request have higher energy efficiency, performance and the convenient product that uses.
Below, with reference to the accompanying drawings, the stand-by electric control device of air-conditioner of the prior art is described.
Fig. 1 is the schematic diagram of the installment state of general air-conditioner; Fig. 2 is the block diagram of the stand-by electric control device of air-conditioner of the prior art; Fig. 3 is the drive circuit figure of air-conditioner of the prior art.
As shown in Figure 1, include in the general air-conditioner: indoor set 10 and off-premises station 20; Be used to connect the pipe arrangement 30 of above-mentioned indoor set 10 and off-premises station 20.That is, above-mentioned indoor set 10 is installed in indoor that the user need install, and above-mentioned off-premises station 20 is installed in outdoor particular place, by with the heat exchange operation of above-mentioned indoor set 10, can supply with required cold air or heating installation to the user.
As shown in Figure 2, the control device of the managing power of the general air-conditioner of Gou Chenging as mentioned above, it includes following several sections: power input part 11 is used for to above-mentioned indoor machine of air-conditioner 10 and off-premises station 20 supply powers; SMPS (Switch Mode Power Supply, Switching Power Supply) 12, the power supply commonly used that is used for supplying with by above-mentioned power input part 11 is converted to the required dc voltage of respective load; 12V output 13 supplies to the 12V power supply from above-mentioned SMPS 12, the line output of going forward side by side; 15V output 17 supplies to the 15V power supply from above-mentioned SMPS 12, the line output of going forward side by side; Microcomputer 14 supplies to the 12V power supply from above-mentioned 12V output 13, and exports control signal corresponding according to the request command of user's input; 311V output 15 is from exporting the high voltage of 311V by the power supply commonly used of above-mentioned power input part 11 inputs; Indoor fan motor drive circuit 16 from the motor-driven voltage input signal of above-mentioned 15V output 17 receiving chamber internal fans, and passes through the 311V power supply that above-mentioned 311V output 15 is supplied with, drive chamber's internal fan (diagram is omitted).
Promptly, as shown in Figure 3, to supply to power supply from above-mentioned power input part 11, and in above-mentioned SMPS 12, generate the voltage of 12V and 15V respectively, the 12V power supply of above-mentioned generation will supply to above-mentioned microcomputer 14 by above-mentioned 12V output 13, and above-mentioned 15V power supply then supplies to the indoor fan motor drive circuit 16 that is used to drive above-mentioned indoor fan (diagram is omitted) by 15V output 17.
Thus, after above-mentioned indoor fan motor drive circuit 16 is received the 15V power supply, to supply to the 311V power supply that is used to drive indoor fan motor from above-mentioned 311V output 15, and motor is driven, thereby make above-mentioned indoor fan (diagram is omitted) begin to drive.
But, in the stand-by electric control device of the air-conditioner of prior art, because there is the place of a lot of deficiencies in design in the logic OR circuit of management stand-by electric, therefore is difficult to manage the electric power that consumes in the air-conditioner, and increases the electric power that is consumed owing to consuming unnecessary stand-by electric.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the object of the present invention is to provide a kind of stand-by electric control device and method thereof of air-conditioner, when using air-conditioner, can reduce the stand-by electric that air-conditioner consumes.
To achieve these goals, the stand-by electric control device of the air-conditioner among the present invention, it includes power input part and the indoor fan motor drive division that is used to import power supply commonly used, the present invention is characterized in that, include following several sections: SMPS, be used for the high voltage source by above-mentioned power input part input is converted to the DC low-tension supply of setting; Key input part is used to import user's request command; Microcomputer is exported control signal corresponding according to the user's who imports by above-mentioned key input part request command; The load shearing device, according to above-mentioned control of microcomputer signal, selectivity is supplied with the load power source of exporting among above-mentioned power input part and the SMPS.
And, the present invention is characterized in that: in above-mentioned load shearing device, the set voltage that generates among high voltage that above-mentioned power input part is supplied with and the above-mentioned SMPS will be according to above-mentioned control of microcomputer signal, and selectivity supplies to above-mentioned indoor fan motor drive division.
And the present invention is characterized in that: above-mentioned load shearing device is made of relay (relay), can be according to above-mentioned control of microcomputer signal and the selectivity supply power.
And, in order to achieve the above object, the stand-by electric control method of the air-conditioner among the present invention, be provided with the air-conditioner that is used for supplying with power input part, SMPS, microcomputer and the indoor fan motor drive division of using power supply always, the present invention is characterized in that, include following several steps: when power supply being arranged by above-mentioned power input part supply, the step that above-mentioned microcomputer is driven; According to the operation on/off commands of user's input, control above-mentioned power input part and SMPS, to the step of above-mentioned indoor fan motor drive division selectivity supply power.
And the present invention is characterized in that, includes in the step that above-mentioned Selective Control power supply is supplied with: when above-mentioned microcomputer drives, judge whether the user imports the step of the operation open command of air-conditioner; When user input had the operation open command of air-conditioner, above-mentioned SMPS was to above-mentioned indoor fan motor drive division input control signal, and the step by above-mentioned power input part supply power; When the user imports the operation shutdown command of air-conditioner, control is no longer supplied with the step of control signal and power supply to above-mentioned indoor fan motor drive division.
As above described in detail, in the stand-by electric control device and method thereof of air-conditioner of the present invention, only under the situation of user's input operation order, to the load supply power, and at the state of shut-down operation or be inserted with under the state of power plug-in unit (power plug), will be only to the microcomputer supply power, and consume minimum electric power, thereby when not driving, can make the stand-by electric of consumption minimized.
Description of drawings
Fig. 1 is the schematic diagram of the installment state of general air-conditioner;
Fig. 2 is the block diagram of the stand-by electric control device of air-conditioner of the prior art;
Fig. 3 is the drive circuit figure of air-conditioner of the prior art;
Fig. 4 is the simple block diagram of the stand-by electric control device of the air-conditioner among the present invention;
Fig. 5 is the more detailed block diagram of the stand-by electric control device of the air-conditioner among the present invention;
Fig. 6 is the circuit diagram of the stand-by electric control device of the air-conditioner among the present invention;
Fig. 7 is the flow chart of the stand-by electric control method of the air-conditioner among the present invention.
The critical piece description of reference numerals
100: power input part 200: key input part
300: microcomputer 400: the load shearing device
500: indoor fan motor drive division 600: compressor
The specific embodiment
Below, with reference to the accompanying drawings, the stand-by electric control device and the method thereof of the air-conditioner among the present invention is described in more detail.
Fig. 4 is the simple block diagram of the stand-by electric control device of the air-conditioner among the present invention; Fig. 5 is the more detailed block diagram of the stand-by electric control device of the air-conditioner among the present invention; Fig. 6 is the circuit diagram of the stand-by electric control device of the air-conditioner among the present invention; Fig. 7 is the flow chart of the stand-by electric control method of the air-conditioner among the present invention.
As shown in Figure 4, the stand-by electric control device of the air-conditioner among the present invention, it includes following several sections: power input part 100 is used to import power supply commonly used; Key input part 200 is used to import user's request command; Microcomputer 300 is exported control signal corresponding according to the user's who imports by above-mentioned key input part request command; Load shearing device 400 is according to the control signal of above-mentioned microcomputer 300, to indoor fan motor drive division 500, compressor 600 even load selectivity supply powers.
Below, with reference to the accompanying drawings 5, the stand-by electric control device of the air-conditioner that constitutes as mentioned above is described in more detail.As shown in the figure, the power supply of supplying with by above-mentioned power input part 100 commonly used will be input to SMPS 101, and be required low voltage DC power supply in the internal conversion of above-mentioned SMPS 101, and the dc voltage of conversion will be divided into 12V and 15V among the above-mentioned SMPS 101.
Promptly, the 12V voltage that generates among the above-mentioned SMPS 101 will be input to 12V output 102, and supply to above-mentioned microcomputer 300, after above-mentioned microcomputer 300 supplies to above-mentioned 12V voltage, to receive the request command of user's input by above-mentioned key input part 200, and the output control signal corresponding.
And the 15V voltage that generates among the above-mentioned SMPS 101 will be input to 15V output 104, and the dc voltage of output will supply to above-mentioned indoor fan motor drive division 500 in the above-mentioned 15V output 104, and the driving of control room internal fan (diagram is omitted) whether.Simultaneously, in the power supply of supplying with by above-mentioned power input part 100, above-mentioned indoor fan motor drive division 500 will supply to the high voltage (311V) of the BLDC motor that is used to drive high pressure from 311V output 103, thereby can control corresponding motor.
But, above-mentioned indoor fan motor drive division 500 is not that the power supply supplied with of the above-mentioned 311V output 103 of unconditional reception and above-mentioned 15V output 104 drives, but according to the control signal of above-mentioned microcomputer 300, to receive the power supply of supplying with from above-mentioned 311V output 103 and above-mentioned 15V output 104 selectivity, and determine it whether to drive.
That is, as shown in Figure 6, add on above-mentioned 15V output 104 and the 311V output 103 and relay (RY-15V) is installed (RY-311V), thus can be according to the control signal of above-mentioned microcomputer 300, to above-mentioned indoor fan motor drive division 500 selectivity supply powers.
Below, will the operation of the stand-by electric control device of the air-conditioner among the present invention be described.When using power supply always by above-mentioned power input part 100 connections, supply with the high pressure DC power supply of 311V by above-mentioned 311V output 103, and the low voltage DC power supply of conversion will be exported by above-mentioned 12V output 102 and 15V output 104 in above-mentioned SMPS 101.
Promptly, in above-mentioned 311V output 103 and 15V output 104, be not loaded with any load by the relay (RY-15V) of above-mentioned microcomputer 300 controls and (RY-311V), promptly, be in the state that does not have supply power, at this moment, will only in above-mentioned microcomputer 300, connect the power supply of 12V, and the electric power of consumes least.
Thus, by supplying with above-mentioned 12V voltage above-mentioned microcomputer 300 is operated, at this moment, above-mentioned microcomputer 300 will be exported the pairing control signal of request command of user's input, and when input has the operational order of above-mentioned air-conditioner, will connect the load of 15V output 104 and above-mentioned 311V output 103, promptly, above-mentioned relay (RY-15V) will be reached (RY-311V) operate, and to above-mentioned indoor fan motor drive division 500 supply powers, thereby can control motor.
At this moment, driving along with above-mentioned indoor fan motor drive division 500, and make indoor fan (diagram is omitted) begin to drive, in the process that above-mentioned indoor fan (diagram is omitted) drives, when the user has the operation shutdown command of air-conditioner by above-mentioned key input part 200 inputs, to stop indoor fan motor, and make above-mentioned indoor fan (diagram is omitted) stop to drive.
And, in order after above-mentioned indoor fan motor shut-down operation, to remove the load of 15V and 311V, will close (off) above-mentioned relay (RY-15V) and reach (RY-311V), and wait for that the user imports its order.
Below, with reference to the accompanying drawings 7, the stand-by electric control method of the air-conditioner among the present invention is described.As shown in the figure, at first, when the user imports start (power on) when order, will supply to power supply commonly used (AC power supplies) (S101~S102) by above-mentioned power input part.
Here, the power supply commonly used of above-mentioned supply supplies to above-mentioned SMPS, and above-mentioned SMPS is used to drive the dc voltage of microcomputer with generation, and exports to above-mentioned microcomputer (S103~S104).
Thus, above-mentioned microcomputer drives (S105) with beginning.
Then, after above-mentioned microcomputer drives, the various command (S106) of user's input will be detected.
The result who detects in above-mentioned steps (S106), when input has the driving order of above-mentioned air-conditioner, above-mentioned SMPS will export the 15V power supply, and the DC power supply that will be converted to high pressure by the power supply that power input part is imported is exported (S107).
That is, above-mentioned indoor fan motor drives beginning, and judges in the process that above-mentioned indoor fan motor drives, and whether the user imports the operation shutdown command (S108~S109) of air-conditioner.
And, the result who in above-mentioned steps (S109), judges, when input in the process that above-mentioned indoor fan motor drives has the operation shutdown command of air-conditioner, to make above-mentioned indoor fan motor stop to drive, and disconnect the power supply (S110~S111) of the 15V that supplies with to above-mentioned indoor fan motor drive division and 311V.
And, the result who in above-mentioned steps (S106), judges, under the state that above-mentioned microcomputer is operated, when input have the user close (power off) order the time, with end operation (S112).
As mentioned above, in the stand-by electric control device and method thereof of air-conditioner of the present invention, in order to reduce the electric power that air-conditioner consumes, when power supply disconnects, except the driving electric power of microcomputer, to disconnect the electric power of all loads, and only when the user imports the driving order, to indoor fan motor drive division supply power.
Claims (5)
1, a kind of stand-by electric control device of air-conditioner, it includes power input part and the indoor fan motor drive division that is used to import power supply commonly used, and the present invention is characterized in that, includes following several sections:
Switching Power Supply, the high voltage source that is used for importing by above-mentioned power input part is converted to the DC low-tension supply of setting;
Key input part is used to import user's request command;
Microcomputer is exported control signal corresponding according to the user's who imports by above-mentioned key input part request command;
The load shearing device, according to above-mentioned control of microcomputer signal, selectivity is supplied with the load power source of exporting in above-mentioned power input part and the Switching Power Supply.
2, the stand-by electric control device of air-conditioner according to claim 1 is characterized in that:
In above-mentioned load shearing device, the set voltage that generates in high voltage that above-mentioned power input part is supplied with and the above-mentioned Switching Power Supply will be according to above-mentioned control of microcomputer signal, and selectivity supplies to above-mentioned indoor fan motor drive division.
3, the stand-by electric control device of air-conditioner according to claim 2 is characterized in that:
Above-mentioned load shearing device is made of relay, can be according to above-mentioned control of microcomputer signal and the selectivity supply power.
4, a kind of stand-by electric control method of air-conditioner is being provided with the air-conditioner that is used for supplying with power input part, Switching Power Supply, microcomputer and the indoor fan motor drive division of using power supply always, and the present invention is characterized in that, includes following several steps:
When power supply being arranged by above-mentioned power input part supply, the step that above-mentioned microcomputer is driven;
According to the operation on/off commands of user's input, control above-mentioned power input part and Switching Power Supply, to the step of above-mentioned indoor fan motor drive division selectivity supply power.
5, the stand-by electric control method of air-conditioner according to claim 4 is characterized in that, includes in the step that above-mentioned Selective Control power supply is supplied with:
When above-mentioned microcomputer drives, judge whether the user imports the step of the operation open command of air-conditioner;
When user input had the operation open command of air-conditioner, above-mentioned Switching Power Supply was to above-mentioned indoor fan motor drive division input control signal, and the step by above-mentioned power input part supply power;
When the user imports the operation shutdown command of air-conditioner, control is no longer supplied with the step of control signal and power supply to above-mentioned indoor fan motor drive division.
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CN 200510122554 CN1987244A (en) | 2005-12-22 | 2005-12-22 | Stand-by power control device and its method for air conditioner |
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CN 200510122554 CN1987244A (en) | 2005-12-22 | 2005-12-22 | Stand-by power control device and its method for air conditioner |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102628610A (en) * | 2012-04-13 | 2012-08-08 | 海信科龙电器股份有限公司 | Control system of variable-frequency air conditioner |
CN103375887A (en) * | 2012-04-18 | 2013-10-30 | 珠海格力电器股份有限公司 | Control circuit and control method of air conditioner and air conditioner |
CN104345659A (en) * | 2013-08-06 | 2015-02-11 | 海尔集团公司 | Power control method and circuit for household appliance function module |
CN106642545A (en) * | 2016-11-29 | 2017-05-10 | 珠海格力电器股份有限公司 | Control method and device for air conditioning unit load |
CN108448899A (en) * | 2018-03-31 | 2018-08-24 | 厦门芯阳科技股份有限公司 | A kind of drop sheet and energy saving BLDC motors isolated power supply structure |
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2005
- 2005-12-22 CN CN 200510122554 patent/CN1987244A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102628610A (en) * | 2012-04-13 | 2012-08-08 | 海信科龙电器股份有限公司 | Control system of variable-frequency air conditioner |
CN103375887A (en) * | 2012-04-18 | 2013-10-30 | 珠海格力电器股份有限公司 | Control circuit and control method of air conditioner and air conditioner |
CN103375887B (en) * | 2012-04-18 | 2015-09-16 | 珠海格力电器股份有限公司 | Control circuit and control method of air conditioner and air conditioner |
CN104345659A (en) * | 2013-08-06 | 2015-02-11 | 海尔集团公司 | Power control method and circuit for household appliance function module |
CN106642545A (en) * | 2016-11-29 | 2017-05-10 | 珠海格力电器股份有限公司 | Control method and device for air conditioning unit load |
CN106642545B (en) * | 2016-11-29 | 2019-08-06 | 珠海格力电器股份有限公司 | Control method and device for air conditioning unit load |
CN108448899A (en) * | 2018-03-31 | 2018-08-24 | 厦门芯阳科技股份有限公司 | A kind of drop sheet and energy saving BLDC motors isolated power supply structure |
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Open date: 20070627 |