CN205407605U - Linear DC power supply control system - Google Patents
Linear DC power supply control system Download PDFInfo
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- CN205407605U CN205407605U CN201620141029.6U CN201620141029U CN205407605U CN 205407605 U CN205407605 U CN 205407605U CN 201620141029 U CN201620141029 U CN 201620141029U CN 205407605 U CN205407605 U CN 205407605U
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Abstract
The utility model discloses a linear DC power supply control system, including isolation transformer, rectifier module, the steady voltage unit, and a power amplification circuit, a controller, PWM drive circuit, voltage sampling circuit and current detection unit, isolation transformer connects the 220V electric main respectively, ACDC converter and rectifier module, rectifier module still connects the steady voltage unit, power amplification circuit and filter circuit are still connected respectively to the steady voltage unit, filter circuit still connects linear adjusting element, junction current detecting element and PWM drive circuit are still distinguished to the linearity control component, filter circuit and controller are still connected respectively to the current detection unit, filter circuit still connects output vo and voltage sampling circuit. The utility model discloses linear DC power supply control system adopts TMS320f2812 as the controller, and convert the 220V electric main into galvanic current and export, system simple structure, stability is high, and application scope is wide.
Description
Technical field
This utility model relates to a kind of control system, specifically a kind of linear DC power control system.
Background technology
Along with popularizing of present electrical equipment, bringing revolutionary change to industrial and agricultural production, Defence business, science and technology, accelerate the development of society, people have stepped into Electrification Age, also the quality of life making people obtains and is greatly improved, and also increasingly be unable to do without these electric equipments.Along with the development of science and technology, the precision of electric equipment also gradually steps up, and there occurs earth-shaking change, but how to protect the not interfered by outside of these electric equipments, has become the subject matter that current development in science and technology is paid close attention to.The electrical network of current China is popularized, and huge network system gives us many convenience.But the user being as accessing electrical network increases, and the variation of consumer electronics, also result in the instability of line voltage, voltage fluctuated, also become the principal element damaging electric equipment.
Utility model content
The purpose of this utility model is in that to provide a kind of linear DC power control system, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, this utility model provides following technical scheme:
A kind of linear DC power control system, including isolating transformer, rectification module, voltage regulation unit, power amplification circuit, controller, PWM drive circuit, voltage sample circuit and current detecting unit, institute's isolating transformer connects 220V electric main respectively, AC/DC transducer and rectification module, rectification module is also connected with voltage regulation unit, voltage regulation unit is also respectively connected with power amplification circuit and filter circuit, filter circuit is also connected with Serial regulation element, Serial regulation element is also respectively connected with current detecting unit and PWM drive circuit, current detecting unit is also respectively connected with filter circuit and controller, filter circuit is also connected with output end vo and voltage sampling circuit, voltage sampling circuit is also connected with controller, controller is also respectively connected with power amplification circuit, PWM drive circuit and AC/DC transducer.
As this utility model further scheme: described controller adopts TMS320f2812.
Compared with prior art, the beneficial effects of the utility model are: this utility model linear DC power control system adopts TMS320f2812 as controller, 220V electric main is converted to galvanic current and exports, and system structure is simple, stability is high, applied widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of linear DC power control system.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of linear DC power control system，Including isolating transformer、Rectification module、Voltage regulation unit、Power amplification circuit、Controller、PWM drive circuit、Voltage sample circuit and current detecting unit，Institute's isolating transformer connects 220V electric main respectively、AC/DC transducer and rectification module，Rectification module is also connected with voltage regulation unit，Voltage regulation unit is also respectively connected with power amplification circuit and filter circuit，Filter circuit is also connected with Serial regulation element，Serial regulation element is also respectively connected with current detecting unit and PWM drive circuit，Current detecting unit is also respectively connected with filter circuit and controller，Filter circuit is also connected with output end vo and voltage sampling circuit，Voltage sampling circuit is also connected with controller，Controller is also respectively connected with power amplification circuit、PWM drive circuit and AC/DC transducer；Described controller adopts TMS320f2812.
Operation principle of the present utility model is: refer to Fig. 1, isolating transformer and rectification module, 220V electric main is transformed into required unidirectional current, isolating transformer output voltage is carried out pre-adjustment and preliminary voltage stabilizing by voltage regulation unit, thus reducing the power consumption of Serial regulation element, improve work efficiency, and guarantee output voltage source high accuracy and high stable；Filtered DC voltage is carried out intense adjustment by Serial regulation element, makes output voltage reach required value and required precision；The pulsating wave of DC source is disturbed by filter circuit, noise carries out stoping to greatest extent and absorbing, thus ensureing the output voltage low ripple of DC source, low noise, low interference；After the various signals of detection are compared, judge, calculate by controller, analysis etc. processes, then send corresponding control instruction, make reliable, the coordination working properly of D.C. regulated power supply entirety voltage-stabilizing system；AC/DC transducer provides the power supply required for high-precision reference voltage source and work for controller；When output end vo voltage causes variation owing to supply voltage or load current change, the signal then changed through voltage sample circuit compared with reference voltage, Serial regulation element is finely regulated by its errors signal through PWM drive circuit, so as to export high-precision direct voltage source.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and when without departing substantially from spirit of the present utility model or basic feature, it is possible to realize this utility model in other specific forms.Therefore, no matter from which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes in the implication of the equivalency dropping on claim and scope included in this utility model.Any accompanying drawing labelling in claim should be considered as the claim that restriction is involved.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (2)
- null1. a linear DC power control system，Including isolating transformer、Rectification module、Voltage regulation unit、Power amplification circuit、Controller、PWM drive circuit、Voltage sample circuit and current detecting unit，It is characterized in that，Institute's isolating transformer connects 220V electric main respectively、AC/DC transducer and rectification module，Rectification module is also connected with voltage regulation unit，Voltage regulation unit is also respectively connected with power amplification circuit and filter circuit，Filter circuit is also connected with Serial regulation element，Serial regulation element is also respectively connected with current detecting unit and PWM drive circuit，Current detecting unit is also respectively connected with filter circuit and controller，Filter circuit is also connected with output end vo and voltage sampling circuit，Voltage sampling circuit is also connected with controller，Controller is also respectively connected with power amplification circuit、PWM drive circuit and AC/DC transducer.
- 2. linear DC power control system according to claim 1, it is characterised in that described controller adopts TMS320f2812.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620141029.6U CN205407605U (en) | 2016-02-25 | 2016-02-25 | Linear DC power supply control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620141029.6U CN205407605U (en) | 2016-02-25 | 2016-02-25 | Linear DC power supply control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205407605U true CN205407605U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201620141029.6U Expired - Fee Related CN205407605U (en) | 2016-02-25 | 2016-02-25 | Linear DC power supply control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN205407605U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282928A (en) * | 2017-03-13 | 2018-07-13 | 刘胜泉 | A kind of tri-state frequency conversion LED power output power controlling circuit powered using AC power |
| CN111464060A (en) * | 2020-05-07 | 2020-07-28 | 北京聚能合源科技有限公司 | Linear alternating current power supply conversion device and control method thereof |
-
2016
- 2016-02-25 CN CN201620141029.6U patent/CN205407605U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282928A (en) * | 2017-03-13 | 2018-07-13 | 刘胜泉 | A kind of tri-state frequency conversion LED power output power controlling circuit powered using AC power |
| CN108282928B (en) * | 2017-03-13 | 2019-08-06 | 刘胜泉 | A kind of tri-state frequency conversion LED power output power controlling circuit powered using AC power source |
| CN111464060A (en) * | 2020-05-07 | 2020-07-28 | 北京聚能合源科技有限公司 | Linear alternating current power supply conversion device and control method thereof |
| CN111464060B (en) * | 2020-05-07 | 2021-04-06 | 北京聚能合源科技有限公司 | Linear alternating current power supply conversion device and control method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20170225 |