CN105226967B - Alternating current 220V ultra-low power standby power supply - Google Patents
Alternating current 220V ultra-low power standby power supply Download PDFInfo
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- CN105226967B CN105226967B CN201510614817.2A CN201510614817A CN105226967B CN 105226967 B CN105226967 B CN 105226967B CN 201510614817 A CN201510614817 A CN 201510614817A CN 105226967 B CN105226967 B CN 105226967B
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- capacitor
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- power supply
- power source
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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 invention discloses a kind of alternating current 220V ultra-low power standby power supplys, including 220V AC power source, capacitor voltage-dropping power supply, synchronous transfer device, bridge rectifier, controller: 220V AC voltage is generated low power DC power supply by the capacitor voltage-dropping power supply in a manner of low-power consumption, low EMI；The bridge rectifier forms main power source driving load after 220V AC voltage is rectified；The voltage that capacitor voltage-dropping power supply generates is transplanted on bridge rectifier output end as standby power in a synchronous manner and carrys out drive control device by the synchronous transfer device.The present invention has the small-power standby power drive control device for constituting low-power consumption, low EMI, to substantially reduce controller it is standby for a long time when and the power consumption that generates, electric energy can be saved, and can realize " ground " of capacitance decompression mode power supply advantage public with " ground " of main power source.
Description
Technical field
The present invention relates to power supplys, more particularly to will generate low-power consumption, low EMI voltage shift using capacitance decompression mode
It is sent to main power source end and low-power consumption, low power alternating current 220V ultra-low power standby power supply is provided.
Background technique
In daily life, when people use various intelligent home electrical appliances and equipment, for convenience usually by electric appliance or
Equipment is in standby, and can complete to work accordingly immediately after taking orders so as to controller.Therefore equipment internal electric source point
For main power source and standby power, main power source driving is loaded, standby power drive control device, in the state of working long hours, usually
Standby power is generated by Switching Power Supply or resistance decompression mode.Therefore stand-by power consumption larger (about 0.5W ~ 2W) wastes electric energy.
In this regard, people are usually solved with capacitance decompression mode, the small, electromagnetic radiation with power loss of capacitance decompression mode
Small advantage, but " ground " of " ground " of capacitance decompression mode power supply and main power source can not be public, therefore can only use photoelectricity coupling
Clutch isolation, circuit are extremely complex.
Summary of the invention
The purpose of the present invention is overcoming the deficiencies in the prior art, and provides a kind of can be used and synchronize transfer device
The voltage that capacitor voltage-dropping power supply generates is transplanted on main power source end, the small function that voltage is 3 ~ 12V, electric current is the mA of 1mA ~ 20 is provided
Rate power supply, drive control device, and can realize " ground " of capacitance decompression mode power supply and " ground " common alternating current 220V of main power source
With ultra-low power standby power supply.
The object of the present invention is achieved like this: it include 220V AC power source, capacitor voltage-dropping power supply, synchronous transfer device,
Bridge rectifier, controller, the capacitor voltage-dropping power supply link together with 220V AC power source, synchronous transfer device, described same
Step transfer device links together with capacitor voltage-dropping power supply, bridge rectifier；The synchronous transfer device links together with controller.
The capacitor voltage-dropping power supply, including first capacitor C1, voltage-stabiliser tube DW1, diode D1, the second capacitor C2, the first electricity
One end of one end and 220V AC power source for holding C1 links together, the other end and voltage-stabiliser tube DW1, diode of first capacitor C1
The anode of D1 links together, and an output end of the negative terminal of diode D1 and the second capacitor C2, field-effect tube Q1 are connected to one
It rises.
The synchronous transfer device, including field-effect tube Q1, first resistor R1, second resistance R2, third capacitor C3, field-effect
The input terminal of pipe Q1 and one end of first resistor R1 and second resistance R2 link together, and the first resistor R1 other end and 220V are handed over
The one end in galvanic electricity source links together, the other end of second resistance R2 and another output, the third capacitor of field-effect tube Q1
One end of C3 links together, the other end ground connection of third capacitor C3.
An input terminal and first capacitor C1, first resistor R1 for the bridge rectifier is commonly connected to 220V alternating current
The one end in source, another input terminal of bridge rectifier and the second capacitor C2, voltage-stabiliser tube DW1 are commonly connected to 220V AC power source
The other end, bridge rectifier an output end ground connection.
The power end of the controller and one end of third capacitor C3 link together.
The invention has the advantages that 1, the voltage that capacitor voltage-dropping power supply generates is transplanted on using synchronous transfer device by main electricity
Source provides the small-power power that voltage is 3 ~ 12V, electric current is the mA of 1mA ~ 20, drive control device, due to capacitor voltage-dropping power supply
Have the characteristics that low-power consumption, low electromagnetic, therefore stand-by power consumption is less than 0.03W ~ 0.5W, realizes super-low standby power consumption, it can
Greatly save electric energy；2, " ground " that " ground " and main power source of capacitance decompression mode power supply can be achieved is public.
Detailed description of the invention
Fig. 1 is circuit diagram of the invention；
Fig. 2 is application circuit of the invention.
Specific embodiment
The contents of the present invention are further described below in conjunction with attached drawing.
As shown in Figure 1, alternating current 220V ultra-low power standby power supply provided by the invention includes 220V AC power source 1, electricity
Appearance voltage dropping power supply 2, synchronous transfer device 3, bridge rectifier 4, controller 5, the capacitor voltage-dropping power supply 2 and 220V AC power source 1,
Synchronous transfer device 3 links together, and the synchronous transfer device 3 links together with capacitor voltage-dropping power supply 2, bridge rectifier 4；Institute
Synchronous transfer device 3 is stated to link together with controller 5.The capacitor voltage-dropping power supply 2, including first capacitor C1, voltage-stabiliser tube DW1,
Diode D1, the second capacitor C2, one end of first capacitor C1 and one end of 220V AC power source 1 link together, first capacitor
The other end of C1 and the anode of voltage-stabiliser tube DW1, diode D1 link together, the negative terminal of diode D1 and the second capacitor C2, field
An output end of effect pipe Q1 links together.The synchronous transfer device 3, including field-effect tube Q1, first resistor R1, second
One end of the input terminal and first resistor R1 and second resistance R2 of resistance R2, third capacitor C3, field-effect tube Q1 links together,
The first resistor R1 other end and one end of 220V AC power source 1 link together, the other end and field-effect tube of second resistance R2
The another output of Q1, one end of third capacitor C3 link together, the other end ground connection of third capacitor C3.The bridge-type is whole
The input terminal and first capacitor C1, first resistor R1 that flow device 4 are commonly connected to one end of 220V AC power source 1, and bridge-type is whole
Another input terminal and the second capacitor C2, voltage-stabiliser tube DW1 for flowing device 4 are commonly connected to the other end of 220V AC power source 1, bridge-type
One output end of rectifier 4 is grounded.The power end of the controller 5 and one end of third capacitor C3 link together.
As shown in Fig. 2, application circuit of the alternating current 220V with ultra-low power standby power supply, including including 220V AC power source 1,
Capacitor voltage-dropping power supply 2, synchronous transfer device 3, bridge rectifier 4, controller 5, controlled switch 6, load 7.The capacitance decompression electricity
One end first capacitor C1 in source 2 links together with 220V AC power source 1, the other end and voltage-stabiliser tube DW1 of first capacitor C1
It links together, generates the half-wave voltage of sine wave, the anode and voltage-stabiliser tube DW1 negative terminal of diode D1 at the both ends voltage-stabiliser tube DW1
Link together, the negative terminal of diode D1 links together with the second capacitor C2, to after the filtering of the half-wave voltage of sine wave the
The both ends of two capacitor C2 generate DC voltage；First resistor R1 and second resistance R2 in the synchronous transfer device 3 are connected to one
It rises, driving FET Q1 is connected after dividing to AC power source positive half cycle voltage, and the voltage of the second capacitor C2 is transplanted on
Third capacitor C3 drive control device, the value range of first resistor R1 is 1M Ω ~ 5M Ω in order to reduce power consumption；The bridge-type is whole
Two input terminals of stream device 4 both rectifier bridge BR1 link together with 220V AC power source 1, carry out rectification rear-guard to alternating voltage
Dynamic load 7；The power end of the controller 5 links together with third capacitor C3 and is in standby, once it is logical to take orders
The CON output end control controlled switch 6 for crossing controller 5 works；The input terminal IN of the controlled switch 6 is carried out after receiving signal
7 work of open and close action control load；One end of the load 7 and the cathode output end of rectifier bridge BR1 link together, load 7
The T2 of the other end and controlled switch 6 link together, the T1 ground connection of controlled switch 6, the input terminal IN of controlled switch 6 receives
7 work of open and close action control load is carried out after signal.
The above is only preferred embodiments of the invention, it is noted that for the ordinary skill people of the art
Member for, under the premise of not departing from the invention patent technical principle, several improvement and replacement can also be made, these improve and
Replacement also should be regarded as protection scope of the present invention.
Claims (1)
1. a kind of alternating current 220V ultra-low power standby power supply, it is characterised in that including 220V AC power source, capacitor voltage-dropping power supply,
Synchronous transfer device, bridge rectifier, controller, the capacitor voltage-dropping power supply are connected to 220V AC power source, synchronous transfer device
Together, the synchronous transfer device links together with capacitor voltage-dropping power supply, bridge rectifier；The synchronous transfer device and controller
It links together；
The capacitor voltage-dropping power supply includes: first capacitor C1, voltage-stabiliser tube DW1, diode D1, the second capacitor C2, first capacitor C1
One end and one end of 220V AC power source link together, the other end and voltage-stabiliser tube DW1 of first capacitor C1, diode D1
Anode links together, and the negative terminal of diode D1 and the drain electrode of the second capacitor C2, field-effect tube Q1 link together；
The synchronous transfer device includes: field-effect tube Q1, first resistor R1, second resistance R2, third capacitor C3, field-effect tube Q1
One end of grid and first resistor R1 and second resistance R2 link together, the first resistor R1 other end and 220V AC power source
One end link together, the other end and the source electrode of field-effect tube Q1, one end of third capacitor C3 of second resistance R2 is connected to
Together, the other end ground connection of third capacitor C3；
An input terminal and first capacitor C1, first resistor R1 for the bridge rectifier is commonly connected to 220V AC power source
One end, another input terminal of bridge rectifier are commonly connected to the another of 220V AC power source with the second capacitor C2, voltage-stabiliser tube DW1
One end, the output end ground connection of bridge rectifier；
The power end of the controller and one end of third capacitor C3 link together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510614817.2A CN105226967B (en) | 2015-09-24 | 2015-09-24 | Alternating current 220V ultra-low power standby power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510614817.2A CN105226967B (en) | 2015-09-24 | 2015-09-24 | Alternating current 220V ultra-low power standby power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105226967A CN105226967A (en) | 2016-01-06 |
| CN105226967B true CN105226967B (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510614817.2A Expired - Fee Related CN105226967B (en) | 2015-09-24 | 2015-09-24 | Alternating current 220V ultra-low power standby power supply |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113746354B (en) * | 2021-11-04 | 2022-09-06 | 南京美斯玛微电子技术有限公司 | Micro-power-consumption bridge-type rectification auxiliary power supply, power circuit and electric equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798173Y (en) * | 2005-06-08 | 2006-07-19 | 黄剑忠 | Electrical source for computer |
| CN101013859A (en) * | 2006-02-05 | 2007-08-08 | 王海 | Switching power supply with function of micropower standby |
| CN101419434A (en) * | 2007-10-26 | 2009-04-29 | 王海 | Capacitive switch power supply with low power consumption standby function |
| CN201910611U (en) * | 2011-01-11 | 2011-07-27 | 朱望江 | Accidental power failure protection circuit |
| CN102480235A (en) * | 2010-11-26 | 2012-05-30 | 株式会社田村制作所 | Switching power supply |
-
2015
- 2015-09-24 CN CN201510614817.2A patent/CN105226967B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2798173Y (en) * | 2005-06-08 | 2006-07-19 | 黄剑忠 | Electrical source for computer |
| CN101013859A (en) * | 2006-02-05 | 2007-08-08 | 王海 | Switching power supply with function of micropower standby |
| CN101419434A (en) * | 2007-10-26 | 2009-04-29 | 王海 | Capacitive switch power supply with low power consumption standby function |
| CN102480235A (en) * | 2010-11-26 | 2012-05-30 | 株式会社田村制作所 | Switching power supply |
| CN201910611U (en) * | 2011-01-11 | 2011-07-27 | 朱望江 | Accidental power failure protection circuit |
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| Publication number | Publication date |
|---|---|
| CN105226967A (en) | 2016-01-06 |
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Granted publication date: 20190305 Termination date: 20190924 |