CN104410292A - Adjustable switching power source - Google Patents
Adjustable switching power source Download PDFInfo
- Publication number
- CN104410292A CN104410292A CN201410670483.6A CN201410670483A CN104410292A CN 104410292 A CN104410292 A CN 104410292A CN 201410670483 A CN201410670483 A CN 201410670483A CN 104410292 A CN104410292 A CN 104410292A
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- China
- Prior art keywords
- module
- voltage
- chip microcomputer
- stabilizing
- power supply
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses an adjustable switching power source. The adjustable switching power source is characterized by comprising an EMI filtering module, a voltage reduction module, a rectification module, a voltage increasing module, a switching voltage stabilizing module, a current collection module, a single-chip microcomputer, a key module and a displayer. The EMI filtering module is connected with the voltage reduction module, the voltage reduction module is connected with the rectification module, the rectification module is connected with the voltage increasing module, the voltage increasing module is connected with the switching voltage stabilizing module, the single-chip microcomputer is connected with the switching voltage stabilizing module, the current collection module is connected with the switching voltage stabilizing module and the single-chip microcomputer, and the key module and the displayer are connected with the single-chip microcomputer. The adjustable switching power source can overcome the defect that options of output voltage of an existing switching power source are few.
Description
Technical field
The present invention relates to field of switch power, particularly a kind of rearrangeable switch power supply.
Background technology
Power supply converts utility network or certain electric energy and control, and provide the power supply unit of high-quality electric energy to various electric loading.Power supply is the power heart of all electronic equipments, and the quality of its performance is directly connected to the safety and reliability index of whole system.
Today of 21 century, increasing electrical equipment, electronic product are come in the life of people, mobile phone, computer, flat board, electronic toy, electric motor car etc., the increase of electrical equipment, electronic product equally also brings people one have to faced by worry, charging voltage requirement miscellaneous cannot be met.
Common Switching Power Supply, often only has a kind of fixing voltage to export, can not meet the joint demand of many electrical equipment, electronic product.
The information being disclosed in this background technology part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of rearrangeable switch power supply, thus overcome existing switch power source output voltage and select less shortcoming.
For achieving the above object, the invention provides a kind of rearrangeable switch power supply, comprising: EMI filtration module, voltage reduction module, rectification module, boost module, switch voltage-stabilizing module, current acquisition module, single-chip microcomputer, key-press module and display; Described EMI filtration module is connected with described voltage reduction module, described voltage reduction module is connected with described rectification module, described rectification module is connected with described boost module, described boost module and described switch voltage-stabilizing model calling, described single-chip microcomputer and described switch voltage-stabilizing model calling, described current acquisition module is connected with described switch voltage-stabilizing module and described single-chip microcomputer respectively, and described key-press module is connected with described single-chip microcomputer respectively with described display.
In technique scheme, the model of described switch voltage-stabilizing module is LM2576ADJ.
In technique scheme, the model of described boost module is LM2577.
In technique scheme, the model of described single-chip microcomputer is STM32.
Compared with prior art, the present invention has following beneficial effect: the rearrangeable switch power supply in the present invention, exported by the voltage of Single-chip Controlling switch voltage-stabilizing module, make this rearrangeable switch power supply can produce different voltage voltages, meet the electrical equipment requirement of multiple different voltage.
Accompanying drawing explanation
Fig. 1 is according to rearrangeable switch power supply architecture schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or part, and do not get rid of other element or other part.
As shown in Figure 1, according to a kind of rearrangeable switch power supply of the specific embodiment of the invention, comprising: EMI filtration module 10, voltage reduction module 20, rectification module 30, boost module 40, switch voltage-stabilizing module 50, current acquisition module 70, single-chip microcomputer 60, key-press module 80 and display 90; EMI filtration module 10 is connected with voltage reduction module 20, voltage reduction module 20 is connected with rectification module 30, rectification module 30 is connected with boost module 40, in this embodiment, the model of boost module 40 is LM2577, boost module 40 is connected with switch voltage-stabilizing module 50, the model of switch voltage-stabilizing module 50 is LM2576ADJ, single-chip microcomputer 60 is connected with switch voltage-stabilizing module 50, the model of single-chip microcomputer 60 is STM32, current acquisition module 70 is connected with switch voltage-stabilizing module 50 and single-chip microcomputer 60 respectively, and key-press module 80 is connected with single-chip microcomputer 60 respectively with display 90.
During use, domestic electric network inputs from EMI filtration module 10, after EMI filtration module 10 filtering, step-down is carried out by voltage reduction module 20, rectification is carried out through over commutation module 30 after step-down, voltage is made to become direct voltage, direct voltage is boosted by the boost module 40 that model is LM2577, make the maximum voltage meeting this rearrangeable switch power supply after boosting, be the switch voltage-stabilizing module 50 (this module is controlled voltage output module) of LM2576ADJ through model after boosting, key-press module 80 pairs of STM32 single-chip microcomputers 60 carry out the output voltage of by-pass cock Voltage stabilizing module 50 simultaneously, and shown by display 90, make to meet required voltage by the voltage voltage of switch voltage-stabilizing module 50, when exporting, the electric current that current acquisition module 70 gathers output voltage is delivered to STM32 single-chip microcomputer 60, judge whether this electric current meets standard by single-chip microcomputer 60, if do not meet, the voltage of adjustment switch voltage-stabilizing module 50 exports.
Rearrangeable switch power supply in the present invention, is exported by the voltage of Single-chip Controlling switch voltage-stabilizing module, makes this rearrangeable switch power supply can produce different voltage voltages, meet the electrical equipment requirement of multiple different voltage.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (4)
1. a rearrangeable switch power supply, is characterized in that, comprising: EMI filtration module, voltage reduction module, rectification module, boost module, switch voltage-stabilizing module, current acquisition module, single-chip microcomputer, key-press module and display; Described EMI filtration module is connected with described voltage reduction module, described voltage reduction module is connected with described rectification module, described rectification module is connected with described boost module, described boost module and described switch voltage-stabilizing model calling, described single-chip microcomputer and described switch voltage-stabilizing model calling, described current acquisition module is connected with described switch voltage-stabilizing module and described single-chip microcomputer respectively, and described key-press module is connected with described single-chip microcomputer respectively with described display.
2. rearrangeable switch power supply according to claim 1, is characterized in that, the model of described switch voltage-stabilizing module is LM2576ADJ.
3. rearrangeable switch power supply according to claim 1, is characterized in that, the model of described boost module is LM2577.
4. rearrangeable switch power supply according to claim 1, is characterized in that, the model of described single-chip microcomputer is STM32.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670483.6A CN104410292A (en) | 2014-11-20 | 2014-11-20 | Adjustable switching power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670483.6A CN104410292A (en) | 2014-11-20 | 2014-11-20 | Adjustable switching power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104410292A true CN104410292A (en) | 2015-03-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410670483.6A Pending CN104410292A (en) | 2014-11-20 | 2014-11-20 | Adjustable switching power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104410292A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106385184A (en) * | 2016-09-30 | 2017-02-08 | 广西大学 | Adjustable switching power supply |
| CN107070219A (en) * | 2017-05-31 | 2017-08-18 | 莆田学院 | A kind of switching power circuit of five grades of optional 3A outputs |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324778A (en) * | 2011-09-30 | 2012-01-18 | 云南电力试验研究院(集团)有限公司 | High-efficiency energy-saving charger |
| US20130336017A1 (en) * | 2012-06-14 | 2013-12-19 | Murata Manufacturing Co., Ltd. | Switching power-supply device |
-
2014
- 2014-11-20 CN CN201410670483.6A patent/CN104410292A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324778A (en) * | 2011-09-30 | 2012-01-18 | 云南电力试验研究院(集团)有限公司 | High-efficiency energy-saving charger |
| US20130336017A1 (en) * | 2012-06-14 | 2013-12-19 | Murata Manufacturing Co., Ltd. | Switching power-supply device |
Non-Patent Citations (2)
| Title |
|---|
| 周泽华等: "基于AVRmega128单片机的数控稳压电源设计", 《电源技术》 * |
| 苏成仁等: "二次可调开关直流电源的设计", 《电子技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106385184A (en) * | 2016-09-30 | 2017-02-08 | 广西大学 | Adjustable switching power supply |
| CN107070219A (en) * | 2017-05-31 | 2017-08-18 | 莆田学院 | A kind of switching power circuit of five grades of optional 3A outputs |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150311 |