CN201238268Y - Standby power supply system with low-power consumption - Google Patents
Standby power supply system with low-power consumption Download PDFInfo
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- CN201238268Y CN201238268Y CNU2008200996510U CN200820099651U CN201238268Y CN 201238268 Y CN201238268 Y CN 201238268Y CN U2008200996510 U CNU2008200996510 U CN U2008200996510U CN 200820099651 U CN200820099651 U CN 200820099651U CN 201238268 Y CN201238268 Y CN 201238268Y
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model relates to a low power consumption standby power supply system, which comprises a power supply circuit, a voltage detection circuit, a voltage stabilizing circuit and a voltage feedback circuit, and is characterized in that the power supply circuit converts the alternative-current power to the direct-current power so as to supply power directly to different circuit units; the input end of the voltage stabilizing circuit is connected with the output end of the power supply circuit, and a first output end of the voltage stabilizing circuit is connected with a comparison voltage input end of the voltage detection circuit, and a second output end of the voltage stabilizing circuit is connected with the power supply input end of the voltage detection circuit and a power supply positive end of a remote control receiver of a household electric appliance system, and a third output end of the voltage stabilizing circuit is connected with a first control end of the voltage feedback circuit. The remote control receiver of the original household appliance system is changed to be power supplied directly by the power supply system, so that the remote control receiver can be ensured to work normally at the standby status or the opening status, and average power consumption of the power supply system can reduce 0.3 W at the standby status, thereby being simple, convenient and reliable to use, and having low cost and favorable application prospect.
Description
Technical field
The utility model relates to the household electrical appliances power supply, is specifically related to a kind of low power consumption standby power supply system.
Background technology
Mostly there is the high problem of power consumption in existing household electrical appliances power supply, can not low-power consumption standby, standby power is greater than 0.3W, reduce power consumption or must increase by one group of standby power, perhaps increase battery and remote signal receiver MCU, just can make stand-by power consumption less than 1W, perhaps software and the hardware that must revise in a large number on the original system solves the high problem of stand-by power consumption, waste time and energy and expensive, and the problem that system has a compatibility produces.
The utility model content
At the high defective of household electrical appliances power supply power consumption that prior art exists, technical problem to be solved in the utility model is to provide a kind of cost low a kind of low power consumption standby power supply system.
In order to solve the problems of the technologies described above, according to a technical scheme of the present utility model, provide a kind of low power consumption standby power supply system, comprise power circuit, voltage detecting circuit, voltage stabilizing circuit, voltage feedback circuit, wherein:
Described power circuit converts alternating current to direct current each circuit unit is directly powered;
The input of described voltage stabilizing circuit connects the output of power circuit, first output of voltage stabilizing circuit connects the comparative voltage input of voltage detecting circuit, the power positive end of the power input of second output connection voltage detecting circuit of voltage stabilizing circuit and the receiver of remote-control sytem of home appliance system, the 3rd output of voltage stabilizing circuit connects first control end of voltage feedback circuit;
Described voltage detecting circuit signal input part connects the signal output part of receiver of remote-control sytem, receive the remote signal of receiver of remote-control sytem output, described voltage detecting circuit comparative voltage input connects first output of voltage stabilizing circuit, the output of voltage detecting circuit connects second control end of voltage feedback circuit, and the power input of described voltage detecting circuit connects second output of voltage stabilizing circuit;
The input of described voltage feedback circuit connects the output of power circuit, the output of voltage feedback circuit connects the control end of power circuit, first control end of voltage feedback circuit connects the 3rd output of voltage stabilizing circuit, and second control end of voltage feedback circuit connects the output of voltage detecting circuit.
A preferred version according to a kind of low power consumption standby power supply described in the utility model system, described voltage detecting circuit is by integrated circuit U101, diode D104, D105, D106, resistance R 102～R107, capacitor C 105 constitutes, wherein, the remote signal input of integrated circuit U101 connects the signal output part of receiver of remote-control sytem by resistance R 103, receive the remote signal of receiver of remote-control sytem output, the power input of integrated circuit U101 connects second output of voltage stabilizing circuit and the negative pole of diode D105, the positive pole of diode D105 connects first output of voltage stabilizing circuit by resistance R 106, and resistance R 104 by being connected in series, R105 ground connection, the comparison signal input of integrated circuit U101 is connected to resistance R 104, the connected node of R105, the signal output part of integrated circuit U101 connects the negative pole of diode D104, the positive pole of diode D104 connects second control end of voltage feedback circuit by resistance R 107, the start reset terminal of integrated circuit U101 connects the positive pole of diode D106 simultaneously, resistance R 102, capacitor C 105, the other end ground connection of capacitor C 105, the negative pole of diode D106 are connected the power input of integrated circuit U101 with the connected node of resistance R 102.
A preferred version according to a kind of low power consumption standby power supply described in the utility model system, described voltage stabilizing circuit is by diode D101, D102, D103, triode Q101, voltage stabilizing didoe ZD101, resistance R 101, R109, capacitor C 101, C102, C49 constitutes, wherein, the positive pole of diode D101 connects second output of power circuit, one end of capacitor C 101 connects first output of power circuit, the negative pole of diode D101 and the other end of capacitor C 101 are connected the positive pole of diode D102 simultaneously, the negative pole of diode D102 is by capacitor C 49 ground connection, the negative pole of diode D102 also connects the collector electrode of triode Q101 simultaneously, the comparative voltage input of resistance R 101 and voltage detecting circuit, the other end of resistance R 101 connects the ground level of triode Q101 and the negative pole of voltage stabilizing didoe ZD101, the plus earth of voltage stabilizing didoe ZD101, the emitter of triode Q101 is by capacitor C 102 ground connection, the emitter of triode Q101 connects the positive pole of diode D103 and the power input of voltage detecting circuit simultaneously, and the negative pole of diode D103 connects first control end of voltage feedback circuit by resistance R 109.
The beneficial effect of a kind of low power consumption standby power supply described in the utility model system is: the utility model changes the receiver of remote-control sytem on the former appliance system by power-supply system directly powers, so that guarantee can both operate as normal at receiver of remote-control sytem under the holding state or under the open state, and guarantee that the holding state average power consumption is less than 0.3W, Min. is revised hardware, the sign indicating number that receiver of remote-control sytem is received is delivered to power-supply system and appliance system simultaneously, a shared receiver of remote-control sytem escapable cost and complete compatible original system software, easy to use, reliably, cost is low, has a good application prospect.
Description of drawings
Fig. 1 is the theory diagram of a kind of low power consumption standby power supply described in the utility model system.
Fig. 2 is the voltage stabilizing circuit 16 of a kind of low power consumption standby power supply described in the utility model system and the circuit theory diagrams of voltage detecting circuit 15.
Fig. 3 is the power circuit 8 of a kind of low power consumption standby power supply described in the utility model system and the circuit theory diagrams of voltage feedback circuit 6.
Fig. 4 is the program flow chart of the integrated circuit U101 of a kind of low power consumption standby power supply described in the utility model system.
Fig. 5 is a kind of low power consumption standby power supply system applies winding diagram described in the utility model.
Embodiment
Referring to Fig. 1, a kind of low power consumption standby power supply described in the utility model system has power circuit 8, voltage detecting circuit 15, voltage stabilizing circuit 16, voltage feedback circuit 6 to constitute, wherein:
Described power circuit 8 converts alternating current to direct current each circuit unit is directly powered; The input of described voltage stabilizing circuit 16 connects the output of power circuit 8, first output of voltage stabilizing circuit 16 connects the comparative voltage input of voltage detecting circuit 15, the power positive end of the power input of second output connection voltage detecting circuit 15 of voltage stabilizing circuit 16 and the receiver of remote-control sytem 4 of home appliance system, the 3rd output of voltage stabilizing circuit 16 connects first control end of voltage feedback circuit 6; Described voltage detecting circuit 15 signal input parts connect the signal output part of receiver of remote-control sytem 4, receive the remote signal of receiver of remote-control sytem 4 outputs, described voltage detecting circuit 15 comparative voltage inputs connect first output of voltage stabilizing circuit 16, the output of voltage detecting circuit 15 connects second control end of voltage feedback circuit 6, and the power input of described voltage detecting circuit 15 connects second output of voltage stabilizing circuit 16; The input of described voltage feedback circuit 6 connects the output of power circuit 8, the output of voltage feedback circuit 6 connects the control end of power circuit 8, first control end of voltage feedback circuit 6 connects the 3rd output of voltage stabilizing circuit 16, and second control end of voltage feedback circuit 6 connects the output of voltage detecting circuit 15.
Referring to Fig. 2 and Fig. 3, described voltage detecting circuit 15 is by integrated circuit U101, diode D104, D105, D106, resistance R 102～R107, capacitor C 105 constitutes, wherein, the remote signal input RC of integrated circuit U101 connects the signal output part of receiver of remote-control sytem 4 by resistance R 103, receive the remote signal of receiver of remote-control sytem 4 outputs, the power input VCC of integrated circuit U101 connects second output of voltage stabilizing circuit 16 and the negative pole of diode D105, the positive pole of diode D105 connects first output of voltage stabilizing circuit 16 by resistance R 106, and resistance R 104 by being connected in series, R105 ground connection, the comparison signal input FB1 of integrated circuit U101 is connected to resistance R 104, the connected node of R105, the signal output part OUTPUT of integrated circuit U101 connects the negative pole of diode D104, the positive pole of diode D104 connects second control end of voltage feedback circuit 6 by resistance R 107, the start reset terminal SS of integrated circuit U101 connects the positive pole of diode D106 simultaneously, resistance R 102, capacitor C 105, the other end ground connection of capacitor C 105, the connected node of the negative pole of diode D106 and resistance R 102 is connected the power input VCC of integrated circuit U101.The program flow chart of integrated circuit U101 is referring to Fig. 4.
Wherein, described voltage stabilizing circuit 16 is by diode D101, D102, D103, triode Q101, voltage stabilizing didoe ZD101, resistance R 101, R109, capacitor C 101, C102, C49 constitutes, wherein, the positive pole of diode D101 connects the second output Vb of power circuit 8, one end of capacitor C 101 connects the first output Va of power circuit 8, the negative pole of diode D101 and the other end of capacitor C 101 are connected the positive pole of diode D102 simultaneously, the negative pole of diode D102 is by capacitor C 49 ground connection, the negative pole of diode D102 also connects the collector electrode of triode Q101 simultaneously, one end of the resistance R 106 in resistance R 101 and the voltage detecting circuit 15, the other end of resistance R 101 connects the ground level of triode Q101 and the negative pole of voltage stabilizing didoe ZD101, the plus earth of voltage stabilizing didoe ZD101, the emitter of triode Q101 is by capacitor C 102 ground connection, the emitter of triode Q101 connects the positive pole of diode D103 and the power input of voltage detecting circuit 15 simultaneously, and the negative pole of diode D103 is by the power supply of the photoelectrical coupler U2 in 109 pairs of voltage feedback circuits 6 of resistance R.And the emitter of triode Q101 connects resistance R 108, and the other end of resistance R 108 connects the power positive end of receiver of remote-control sytem 4, and capacitor C 103, C104 ground connection by being connected in parallel.
Referring to Fig. 3, for reducing stand-by power consumption, power circuit 8 is operated under the discontinuous operation pattern during standby, make voltage stabilizing and voltage detecting circuit 15 energy operate as normal under standby mode for obtaining enough electric energy, therefore taking out electric energy for voltage stabilizing under the standby mode and voltage detecting circuit 15 work in mode forward between 12V and 3.3V winding, see that specifically Va among Fig. 2, Fig. 3, Vb point-to-point transmission take out enough electric energy.
Fig. 5 is the utility model low power consumption standby power supply system applies winding diagram, the signal output part that the signal input part of the integrated circuit U101 of low power consumption standby power supply system 1 is connected receiver of remote-control sytem 4 by winding displacement 10 with remote signal output line 14, low power consumption standby power supply system 1 is by 4 power supplies of 10 pairs of receivers of remote-control sytem of winding displacement simultaneously, the signal output part of receiver of remote-control sytem 4 connects home appliance system MCU7 by front panel winding displacement 9, low power consumption standby power supply system 1 is by the control main board 2 of power supply winding displacement 5 connection home appliance systems, and receiver of remote-control sytem 4 is installed on the front panel 3 of home appliance system.
A kind of low power consumption standby power supply system work process described in the utility model is as follows:
After system powers on, open the main power switch of home appliance system, power supply enters mode of operation, and home appliance system is in normal operating conditions;
After receiving that standby/starting-up signal that receiver of remote-control sytem 4 sends is identical signal code, low power consumption standby power supply system 1 enters standby mode, and home appliance system is not worked at holding state;
After low power consumption standby power supply system 1 receives standby/starting-up signal that receiver of remote-control sytem 4 sends once more, enter mode of operation, appliance system enters normal operating conditions;
Conversion is once again for pattern after low power consumption standby power supply system 1 receives standby/starting-up signal that receiver of remote-control sytem 4 sends once more ... so circulation repeats.
When entering standby mode, the comparative voltage input FB1 of integrated circuit U101 detects external voltage, when external voltage is lower than 1.5V, the signal output part OUTPUT of integrated circuit U101 is become high level by low level, make power circuit 8 enter operating state by not working.This moment, the comparison signal input FB1 of integrated circuit U101 continued to detect external voltage, and when voltage was higher than 1.5V, the output OUTPUT of integrated circuit U101 became low level by high level, made power circuit 8 enter off position by work.So under the discontinuous operation, both kept voltage stabilizing and voltage detecting circuit 15 has enough electric energy, and made system's low standby power loss again less than 0.3W.
When low power consumption standby power supply system 1 is operated in normal mode of operation following time, change the operating state after receiving standby/starting-up signal that remote controller 4 sends except that waiting for, do not do anything.
When low power consumption standby power supply system 1 is operated in standby mode following time, after waiting for standby/starting-up signal that reception remote controller 4 sends, change the operating state, also to control voltage feedback circuit 6, power circuit 8 is operated under the intermittent mode keeps low-power consumption, and produce enough electric energy and offer voltage stabilizing circuit 16.
Claims (3)
1, a kind of low power consumption standby power supply system comprises power circuit (8), voltage detecting circuit (15), voltage stabilizing circuit (16), voltage feedback circuit (6), it is characterized in that:
Described power circuit (8) converts alternating current to direct current each circuit unit is directly powered;
The input of described voltage stabilizing circuit (16) connects the output of power circuit (8), first output of voltage stabilizing circuit (16) connects the comparative voltage input of voltage detecting circuit (15), the power positive end of the power input of second output connection voltage detecting circuit (15) of voltage stabilizing circuit (16) and the receiver of remote-control sytem (4) of home appliance system, the 3rd output of voltage stabilizing circuit (16) connects first control end of voltage feedback circuit (6);
Described voltage detecting circuit (15) signal input part connects the signal output part of receiver of remote-control sytem (4), receive the remote signal of receiver of remote-control sytem (4) output, described voltage detecting circuit (15) comparative voltage input connects first output of voltage stabilizing circuit (16), the output of voltage detecting circuit (15) connects second control end of voltage feedback circuit (6), and the power input of described voltage detecting circuit (15) connects second output of voltage stabilizing circuit (16);
The input of described voltage feedback circuit (6) connects the output of power circuit (8), the output of voltage feedback circuit (6) connects the control end of power circuit (8), first control end of voltage feedback circuit (6) connects the 3rd output of voltage stabilizing circuit (16), and second control end of voltage feedback circuit (6) connects the output of voltage detecting circuit (15).
2, a kind of low power consumption standby power supply according to claim 1 system, it is characterized in that: described voltage detecting circuit (15) is by integrated circuit U101, diode D104, D105, D106, resistance R 102～R107, capacitor C 105 constitutes, wherein, the remote signal input (RC) of integrated circuit U101 connects the signal output part of receiver of remote-control sytem (4) by resistance R 103, receive the remote signal of receiver of remote-control sytem (4) output, the power input of integrated circuit U101 (VCC) connects second output of voltage stabilizing circuit (16) and the negative pole of diode D105, the positive pole of diode D105 connects first output of voltage stabilizing circuit (16) by resistance R 106, and resistance R 104 by being connected in series, R105 ground connection, the comparison signal input (FB1) of integrated circuit U101 is connected to resistance R 104, the connected node of R105, the signal output part of integrated circuit U101 (OUTPUT) connects the negative pole of diode D104, the positive pole of diode D104 connects second control end of voltage feedback circuit (6) by resistance R 107, the start reset terminal (SS) of integrated circuit U101 connects the positive pole of diode D106 simultaneously, resistance R 102, capacitor C 105, the other end ground connection of capacitor C 105, the negative pole of diode D106 are connected the power input (VCC) of integrated circuit U101 with the connected node of resistance R 102.
3, a kind of low power consumption standby power supply according to claim 2 system, it is characterized in that: described voltage stabilizing circuit (16) is by diode D101, D102, D103, triode Q101, voltage stabilizing didoe ZD101, resistance R 101, R109, capacitor C 101, C102, C49 constitutes, wherein, the positive pole of diode D101 connects second output of power circuit (8), one end of capacitor C 101 connects first output of power circuit (8), the negative pole of diode D101 and the other end of capacitor C 101 are connected the positive pole of diode D102 simultaneously, the negative pole of diode D102 is by capacitor C 49 ground connection, the negative pole of diode D102 also connects the collector electrode of triode Q101 simultaneously, the comparative voltage input of resistance R 101 and voltage detecting circuit (15), the other end of resistance R 101 connects the ground level of triode Q101 and the negative pole of voltage stabilizing didoe ZD101, the plus earth of voltage stabilizing didoe ZD101, the emitter of triode Q101 is by capacitor C 102 ground connection, the emitter of triode Q101 connects the positive pole of diode D103 and the power input of voltage detecting circuit (15) simultaneously, and the negative pole of diode D103 connects first control end of voltage feedback circuit (6) by resistance R 109.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200996510U CN201238268Y (en) | 2008-08-06 | 2008-08-06 | Standby power supply system with low-power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200996510U CN201238268Y (en) | 2008-08-06 | 2008-08-06 | Standby power supply system with low-power consumption |
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| Publication Number | Publication Date |
|---|---|
| CN201238268Y true CN201238268Y (en) | 2009-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200996510U Expired - Lifetime CN201238268Y (en) | 2008-08-06 | 2008-08-06 | Standby power supply system with low-power consumption |
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| CN (1) | CN201238268Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564972A (en) * | 2020-05-15 | 2020-08-21 | 广州金升阳科技有限公司 | DC-DC circuit |
-
2008
- 2008-08-06 CN CNU2008200996510U patent/CN201238268Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564972A (en) * | 2020-05-15 | 2020-08-21 | 广州金升阳科技有限公司 | DC-DC circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Giantsun Power Co., Ltd. Assignor: GiantSun Power Contract record no.: 2012440000048 Denomination of utility model: Standby power supply system with low-power consumption Granted publication date: 20090513 License type: Exclusive License Record date: 20120213 |
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| CX01 | Expiry of patent term |
Granted publication date: 20090513 |
|
| CX01 | Expiry of patent term |