CN201749324U - Energy-saving circuit of household appliances and display device comprising same - Google Patents
Energy-saving circuit of household appliances and display device comprising same Download PDFInfo
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- CN201749324U CN201749324U CN2009202620681U CN200920262068U CN201749324U CN 201749324 U CN201749324 U CN 201749324U CN 2009202620681 U CN2009202620681 U CN 2009202620681U CN 200920262068 U CN200920262068 U CN 200920262068U CN 201749324 U CN201749324 U CN 201749324U
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Abstract
The utility model provides an energy-saving circuit of household appliances and display device comprising the same, which is suitable for the field of electronic energy conservation; and the energy-saving circuit of household appliances comprises a voltage conversion unit, an energy-saving signal interface unit, a main control unit, and a mode control unit. In the utility model, when the household appliances are in the standby state or the shutdown state, the voltage conversion unit is in the clearance working state under the control of the main control unit, so that the conversion efficiency of the voltage conversion unit is improved, and the energy consumption of the household appliances in the standby state or the shutdown state is reduced.
Description
Technical field
The utility model belongs to the electric energy-saving field, relates in particular to a kind of domestic electric appliances energy-saving circuit and display device.
Background technology
At present, along with the consumption of earth energy, various countries all quite pay attention to energy-conserving and environment-protective, and how reducing energy resource consumption is the emphasis problem of present scientific research.
Find that according to the study present household electrical appliance are being in holding state or are being under the off-mode, still can consumed power.Country has also put into effect and has been used for energy-conservation household electrical appliance efficiency standard at present, and still, the standby energy consumption of household electrical appliance and shutdown energy consumption are still higher.
The utility model content
The purpose of the utility model embodiment is to provide a kind of domestic electric appliances energy-saving circuit, is intended to solve existing household electrical appliance and has standby energy consumption and shutdown energy consumption problem of higher.
The utility model embodiment is achieved in that a kind of domestic electric appliances energy-saving circuit, and described circuit comprises:
Output is used to control the status unit that household electrical appliance are in the control signal of holding state or off-mode;
Input end is connected with the output terminal of described status unit, according to described control signal, and the main control unit of the output stand-by energy-saving signal or the energy-conservation signal that shuts down;
Input end is connected with described main control unit output terminal, and described stand-by energy-saving signal or the energy-conservation signal that shuts down are carried out the energy-conservation signal interface unit that impedance matching and shaping are handled; And
Control end is connected, imports termination power with described energy-conservation signal interface unit output terminal, exports the power end of the described main control unit of termination, according to the described stand-by energy-saving signal or the energy-conservation signal that shuts down, is in the voltage conversion unit of gap duty.
In the said structure, described energy-conservation signal interface unit comprises first resistance, second resistance and the 3rd resistance, wherein, the input end of the described voltage conversion unit of first termination of described first resistance, second end of described first resistance is by second resistance eutral grounding, the link first via of described first resistance and second resistance connects the output terminal of main control unit by the 3rd resistance, and the link the second tunnel of described first resistance and second resistance connects the control end of described voltage conversion unit.
In the said structure, described voltage conversion unit comprises switch module and Voltage stabilizing module, the input termination power of described switch module, the link of described first resistance of the control termination of described switch module and second resistance, the input end of the described Voltage stabilizing module of output termination of described switch module, the power end of the described main control unit of output termination of Voltage stabilizing module.
Another purpose of the utility model embodiment is to provide a kind of display device that comprises above-mentioned domestic electric appliances energy-saving circuit.
In the said structure, described display device comprises display and televisor.
In the utility model embodiment, when household electrical appliance are in holding state or off-mode, main control unit control voltage conversion unit is in the gap duty, so just improved the conversion efficiency of voltage conversion unit, be in energy consumption under holding state or the off-mode thereby reduced household electrical appliance.
Description of drawings
Fig. 1 is the module map of the domestic electric appliances energy-saving circuit that provides of the utility model embodiment;
Fig. 2 is the examples of circuits figure of the domestic electric appliances energy-saving circuit that provides of the utility model embodiment;
Fig. 3 is the process flow diagram of the energy-saving control method of the domestic electric appliances energy-saving circuit that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the structure of the domestic electric appliances energy-saving circuit that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant with the utility model embodiment.
The domestic electric appliances energy-saving circuit comprises voltage conversion unit 100, energy-conservation signal interface unit 200, main control unit 300 and status unit 400.
The input end of main control unit 300 is connected with the output terminal of status unit 400, control signal according to status unit 400 outputs, the main control unit 300 output stand-by energy-saving signal or the energy-conservation signals that shut down, as the utility model one embodiment, the stand-by energy-saving signal or the energy-conservation signal that shuts down are pulse width modulating signal, the stand-by energy-saving signal is 10-50Hz, and the energy-conservation signal that shuts down is 0.1-1Hz.
The input end of energy-conservation signal interface unit 200 is connected with the output terminal of main control unit 300, and the stand-by energy-saving signal or the energy-conservation signal that shuts down are carried out impedance matching and shaping processing;
The control end of voltage conversion unit 100 is connected, imports termination power with energy-conservation signal interface unit 200 output terminals, exports the power end of termination main control unit 300, voltage conversion unit 100 is according to the stand-by energy-saving signal or the energy-conservation signal that shuts down, be in the gap duty, supply voltage is converted to the main control unit supply voltage.
Fig. 2 shows the example structure of the domestic electric appliances energy-saving circuit that the utility model embodiment provides, and for convenience of explanation, only shows the part relevant with the utility model embodiment.
As the utility model one embodiment, energy-conservation signal interface unit 200 comprises first resistance R 1, second resistance R 2 and the 3rd resistance R 3, wherein, the input end of the first termination voltage converting unit 100 of first resistance R 1, second end of first resistance R 1 is by second resistance R, 2 ground connection, the link first via of first resistance R 1 and second resistance R 2 connects the output terminal of main control unit 300 by the 3rd resistance R 3, and the link the second tunnel of first resistance R 1 and second resistance R 2 connects the control end of voltage conversion unit 100.
As the utility model one embodiment, voltage conversion unit 100 comprises switch module 101 and Voltage stabilizing module 102, the input termination power of switch module 101, control termination first resistance R 1 of switch module 101 and the link of second resistance R 2, the input end of the output termination Voltage stabilizing module 102 of switch module 101, the power end of the output termination main control unit 300 of Voltage stabilizing module 102.
Wherein, switch module 101 adopts switch chip U1, switch chip U1 comprises input end IN, output terminal SW, control end EN and ground end GND, Voltage stabilizing module 102 adopts voltage stabilizing chip U2, voltage stabilizing chip U2 comprises input end VIN, output terminal VOUT and ground end GND, the input end IN of switch chip U1 connects power supply, the ground end GND ground connection of switch chip U1, the control end EN of switch chip U1 connects the link of first resistance R 1 and second resistance R 2, the output terminal SW of switch chip U1 meets the input end VIN of voltage stabilizing chip U2, the ground end GND ground connection of voltage stabilizing chip U2, the output terminal VOUT of voltage stabilizing chip U2 connects the power end of main control unit 300.
Fig. 3 shows the step of the energy-saving control method of the domestic electric appliances energy-saving circuit that the utility model embodiment provides.
In step S301, the control household electrical appliance that the accepting state control module sends are in the control signal of holding state or off-mode;
In step S302, according to control signal, the output stand-by energy-saving signal or the energy-conservation signal that shuts down, after energy-conservation signal interface unit impedance matching and shaping processing, the control voltage conversion unit is in the gap duty.
A kind of display device that comprises above-mentioned domestic electric appliances energy-saving circuit that the utility model embodiment also provides, display device comprises display and televisor.
In the utility model embodiment, when household electrical appliance are in holding state or off-mode, main control unit control voltage conversion unit is in the gap duty, so just improved the conversion efficiency of voltage conversion unit, be in energy consumption under holding state or the off-mode thereby reduced household electrical appliance.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. a domestic electric appliances energy-saving circuit is characterized in that, described circuit comprises:
Output is used to control the status unit that household electrical appliance are in the control signal of holding state or off-mode;
Input end is connected with the output terminal of described status unit, according to described control signal, and the main control unit of the output stand-by energy-saving signal or the energy-conservation signal that shuts down;
Input end is connected with described main control unit output terminal, and described stand-by energy-saving signal or the energy-conservation signal that shuts down are carried out the energy-conservation signal interface unit that impedance matching and shaping are handled; And
Control end is connected, imports termination power with described energy-conservation signal interface unit output terminal, exports the power end of the described main control unit of termination, according to the described stand-by energy-saving signal or the energy-conservation signal that shuts down, is in the voltage conversion unit of gap duty.
2. circuit as claimed in claim 1, it is characterized in that, described energy-conservation signal interface unit comprises first resistance, second resistance and the 3rd resistance, wherein, the input end of the described voltage conversion unit of first termination of described first resistance, second end of described first resistance is by second resistance eutral grounding, the link first via of described first resistance and second resistance connects the output terminal of main control unit by the 3rd resistance, and the link the second tunnel of described first resistance and second resistance connects the control end of described voltage conversion unit.
3. circuit as claimed in claim 2, it is characterized in that, described voltage conversion unit comprises switch module and Voltage stabilizing module, the input termination power of described switch module, the link of described first resistance of the control termination of described switch module and second resistance, the input end of the described Voltage stabilizing module of output termination of described switch module, the power end of the described main control unit of output termination of Voltage stabilizing module.
4. a display device is characterized in that, described display device comprises each described domestic electric appliances energy-saving circuit as claim 1-3.
5. display device as claimed in claim 4 is characterized in that described display device comprises display and televisor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202620681U CN201749324U (en) | 2009-12-25 | 2009-12-25 | Energy-saving circuit of household appliances and display device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202620681U CN201749324U (en) | 2009-12-25 | 2009-12-25 | Energy-saving circuit of household appliances and display device comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201749324U true CN201749324U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202620681U Expired - Lifetime CN201749324U (en) | 2009-12-25 | 2009-12-25 | Energy-saving circuit of household appliances and display device comprising same |
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| Country | Link |
|---|---|
| CN (1) | CN201749324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109867B (en) * | 2009-12-25 | 2013-05-08 | 中国长城计算机深圳股份有限公司 | Household appliance energy-saving circuit, control method and display device |
-
2009
- 2009-12-25 CN CN2009202620681U patent/CN201749324U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109867B (en) * | 2009-12-25 | 2013-05-08 | 中国长城计算机深圳股份有限公司 | Household appliance energy-saving circuit, control method and display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110216 Effective date of abandoning: 20091225 |
|
| RGAV | Abandon patent right to avoid regrant |