CN203104308U - 5W high-efficiency energy-saving power source adapter - Google Patents
5W high-efficiency energy-saving power source adapter Download PDFInfo
- Publication number
- CN203104308U CN203104308U CN2013200161432U CN201320016143U CN203104308U CN 203104308 U CN203104308 U CN 203104308U CN 2013200161432 U CN2013200161432 U CN 2013200161432U CN 201320016143 U CN201320016143 U CN 201320016143U CN 203104308 U CN203104308 U CN 203104308U
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- energy
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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 discloses a 5W high-efficiency energy-saving power source adapter. The 5W high-efficiency energy-saving power source adapter comprises an alternating current input end, and a rectifying/smoothing circuit used for rectifying signals inputted by the alternating current input end. The output end of the rectifying/smoothing circuit is connected with a PWM pulse width modulation controller; the output end of the PWM pulse width modulation controller is connected with a transformer; the output end of the transformer is connected with a rectifying and filtering circuit; the output end of the rectifying and filtering circuit is connected with a 5W voltage converter; and the output end of the 5W voltage converter is connected with a direct current output end. The PWM pulse width modulation controller of the 5W high-efficiency energy-saving power source adapter of the utility model can effectively control the standby power consumption of a product under 0.3W, such that energy efficiency is more than 75%; and the 5W high-efficiency energy-saving power source adapter has the advantages of simple structure, low cost and high performance.
Description
Technical field
The utility model relates to a kind of electric and electronic technical field, particularly the energy-efficient power supply adaptor of a kind of 5W.
Background technology
Various power supply adaptor of the prior art all is that civil power is changed into required voltage of a kind of specific electronic equipment set or electric current, exists the efficiency of not enough power supply adaptor low, and cost is higher, poor stability.
The utility model content
In order to overcome above shortcomings part in the prior art, the purpose of this utility model is to provide the energy-efficient power supply adaptor of a kind of 5W.
In order to reach above-mentioned purpose, the utility model adopts following concrete technical scheme: the energy-efficient power supply adaptor of a kind of 5W, comprise ac input end, and the rectification flat wave circuit that the signal that this ac input end is imported is carried out rectification, the output of described rectification flat wave circuit is connected with the PWM PDM keyer, the output of described PWM PDM keyer is connected with transformer, the output of described transformer is connected with current rectifying and wave filtering circuit, the output of described current rectifying and wave filtering circuit is connected with the 5W electric pressure converter, and the output of described 5W electric pressure converter connects dc output end.
Described ac input end comprises resistance R 1, and resistance R 1 outputs to described current rectifying and wave filtering circuit through diode connected in parallel D5 with signal.
The rectification flat wave circuit that constitutes by flat ripple inductance L 1, flat ripple resistance R 2, flat wave capacitor C1, C2, C3 that described rectification flat wave circuit comprises that rectifier bridge and input be connected with described rectification bridge output end, be used for will input alternating voltage export to the PWM PDM keyer after converting direct voltage to;
Described PWM PDM keyer is used for described direct voltage is carried out pulse-width modulation, output ripple direct voltage to the rectification flat wave circuit.
The current rectifying and wave filtering circuit that is made of filter resistance R13, R14, filter capacitor C6, C7, C8 that described current rectifying and wave filtering circuit comprises that transformer T1, half-wave rectifying circuit and input and the output of described half-wave rectifying circuit is connected is used for described pulsating dc voltage is carried out exporting to the 5W electric pressure converter behind transformation and the rectifying and wave-filtering.
Described 5W electric pressure converter comprise input and with the change-over circuit that constitutes that input is connected in parallel by resistance R 15, R16, R17, R18, be used for the direct voltage after the conversion is exported from dc output end.
Compared with prior art, the utlity model has following outstanding advantage and effect:
1, adopt the PWM PDM keyer, controlling the product stand-by power consumption effectively is below the 0.3W, and efficiency is more than 75%;
2, adopt the PCB typesetting technology, reduce the quantity of artificial plug-in unit components and parts, thereby reduced cost of labor;
3, adopt switching power circuit simple in structure, accurately dispose component parameters, the technology advantages of simple, through experimental verification, properties of product are reliable, safety, stable.
Description of drawings
Fig. 1 is a theory diagram of the present utility model;
Fig. 2 is a circuit diagram of the present utility model;
The utility model is described in further detail below in conjunction with accompanying drawing.
Embodiment
In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.
As shown in Figure 1 and Figure 2, the energy-efficient power supply adaptor of a kind of 5W, comprise ac input end, and the rectification flat wave circuit that the signal that this ac input end is imported is carried out rectification, the output of described rectification flat wave circuit is connected with the PWM PDM keyer, the output of described PWM PDM keyer is connected with transformer, the output of described transformer is connected with current rectifying and wave filtering circuit, the output of described current rectifying and wave filtering circuit is connected with the 5W electric pressure converter, and the output of described 5W electric pressure converter connects dc output end.
Described ac input end comprises resistance R 1, and resistance R 1 outputs to described current rectifying and wave filtering circuit through diode connected in parallel D5 with signal.
The rectification flat wave circuit that constitutes by flat ripple inductance L 1, flat ripple resistance R 2, flat wave capacitor C1, C2, C3 that described rectification flat wave circuit comprises that rectifier bridge and input be connected with described rectification bridge output end, be used for will input alternating voltage export to the PWM PDM keyer after converting direct voltage to;
Described PWM PDM keyer is used for described direct voltage is carried out pulse-width modulation, output ripple direct voltage to the rectification flat wave circuit.
The current rectifying and wave filtering circuit that is made of filter resistance R13, R14, filter capacitor C6, C7, C8 that described current rectifying and wave filtering circuit comprises that transformer T1, half-wave rectifying circuit and input and the output of described half-wave rectifying circuit is connected is used for described pulsating dc voltage is carried out exporting to the 5W electric pressure converter behind transformation and the rectifying and wave-filtering.
Described 5W electric pressure converter comprises input and the change-over circuit that constitutes by resistance R 15, R16, R17, R18 that is connected in parallel with input, be used for the direct voltage after the conversion is exported from dc output end, use for equipment charges such as XW digital electric, mobile phones 5W direct voltage output back.
It should be noted that at last: above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. the energy-efficient power supply adaptor of a 5W, comprise ac input end, and the rectification flat wave circuit that the signal that this ac input end is imported is carried out rectification, it is characterized in that: the output of described rectification flat wave circuit is connected with the PWM PDM keyer, the output of described PWM PDM keyer is connected with transformer, the output of described transformer is connected with current rectifying and wave filtering circuit, the output of described current rectifying and wave filtering circuit is connected with the 5W electric pressure converter, and the output of described 5W electric pressure converter connects dc output end.
2. according to the energy-efficient power supply adaptor of the described a kind of 5W of claim 1, it is characterized in that: described ac input end comprises resistance R 1, and resistance R 1 outputs to described current rectifying and wave filtering circuit through diode connected in parallel D5 with signal.
3. according to the energy-efficient power supply adaptor of the described a kind of 5W of claim 1, it is characterized in that: the rectification flat wave circuit that constitutes by flat ripple inductance L 1, flat ripple resistance R 2, flat wave capacitor C1, C2, C3 that described rectification flat wave circuit comprises that rectifier bridge and input be connected with described rectification bridge output end, be used for will input alternating voltage export to the PWM PDM keyer after converting direct voltage to;
Energy-efficient power supply adaptor according to the described a kind of 5W of claim 1 is characterized in that: described PWM PDM keyer is used for described direct voltage is carried out pulse-width modulation, output ripple direct voltage to the rectification flat wave circuit.
4. according to the energy-efficient power supply adaptor of the described a kind of 5W of claim 1, it is characterized in that: the current rectifying and wave filtering circuit that is made of filter resistance R13, R14, filter capacitor C6, C7, C8 that described current rectifying and wave filtering circuit comprises that transformer T1, half-wave rectifying circuit and input and the output of described half-wave rectifying circuit is connected is used for described pulsating dc voltage is carried out exporting to the 5W electric pressure converter behind transformation and the rectifying and wave-filtering.
5. according to the energy-efficient power supply adaptor of the described a kind of 5W of claim 1, it is characterized in that: described 5W electric pressure converter comprise input and with the change-over circuit that constitutes that input is connected in parallel by resistance R 15, R16, R17, R18, be used for the direct voltage after the conversion is exported from dc output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200161432U CN203104308U (en) | 2013-01-14 | 2013-01-14 | 5W high-efficiency energy-saving power source adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200161432U CN203104308U (en) | 2013-01-14 | 2013-01-14 | 5W high-efficiency energy-saving power source adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203104308U true CN203104308U (en) | 2013-07-31 |
Family
ID=48855682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200161432U Expired - Fee Related CN203104308U (en) | 2013-01-14 | 2013-01-14 | 5W high-efficiency energy-saving power source adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203104308U (en) |
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2013
- 2013-01-14 CN CN2013200161432U patent/CN203104308U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20150114 |
|
| EXPY | Termination of patent right or utility model |