CN104348138A - Power supply system - Google Patents
Power supply system Download PDFInfo
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- CN104348138A CN104348138A CN201310312731.5A CN201310312731A CN104348138A CN 104348138 A CN104348138 A CN 104348138A CN 201310312731 A CN201310312731 A CN 201310312731A CN 104348138 A CN104348138 A CN 104348138A
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Abstract
The invention discloses a power supply system which can be operated to supply electric power to a load circuit. The power supply system comprises a power supply source, an overload protective unit, a noise reduction unit, a rectification filtering unit, a transformation unit and an output unit, wherein the power supply source can be operated so as to supply the electric power through multiple power supply ends; the overload protective unit can cut off input electric power of the power supply source in case of overload, overheating and overvoltage; the noise reduction unit can eliminate interference signals; the rectification filtering unit can converts AC power supplied by the power supply source into DC power; the transformation unit can stabilize voltage, automatically adjust the voltage through feedback processing and supplies the voltage provided by the power supply source to the output unit; and the output unit supplies the electric power to the load circuit and feeds output signals back to the transformation unit so as to realize closed loop control. According to the invention, the power supply system can effectively isolate and eliminate signal interference, ensures stable transformation operation, and improves the work reliability of the power supply system.
Description
Technical field
The present invention relates to technical field of electric power, particularly a kind of power-supply system.
Background technology
The input voltage range of existing power-supply system is less, cannot meet the needs of the working condition that voltage adjusting range is larger.When high input voltage situation, whole system will bear larger load, easily causes overvoltage, overheated situation, cannot obtain protection and have an impact to the safety and stability of power-supply system.Meanwhile, due to the interference of outside input, transformation process is affected, transformation process instability is caused, and power-supply system cost is high, efficiency is low, poor work stability, guaranteed reliability are inadequate.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of power-supply system, its objective is, one can be provided effectively can to completely cut off erasure signal interference, ensure transformation working stability, improve the power-supply system of power-supply system functional reliability.
For achieving the above object, technical scheme of the present invention is as follows;
A kind of power-supply system, can operate to supply electrical power to load circuit, it is characterized in that: it comprises power supply source, overload protection unit, noise reduction unit, rectification filtering unit, voltage transformation unit and output unit,
Power supply source, it comprises multiple power end, and described power supply source can operate to provide electric power by multiple power end;
Overload protection unit, can transshipping, overheated, overvoltage time cut off power supply source input electric power;
Noise reduction unit, can eliminate power supply source produce interference signal import into voltage transformation unit eliminate simultaneously voltage transformation unit produce interference signal import power supply source into;
Rectification filtering unit, can become the alternating current that power supply source provides into direct current;
Voltage transformation unit, can burning voltage, and simultaneously through the automatic regulation voltage of feedback processing, and the voltage transformation provided by power supply source is supplied to output unit; And
Output unit, electric power is supplied to load circuit by described output unit, and output signal is fed back to voltage transformation unit realizes closed-loop control.
Preferably, described voltage transformation unit comprises chipset, feedback protection unit, transformer and voltage regulation unit,
Transformer, realizes transformation and is supplied to output unit;
Chipset, realizes the control to transformer;
Feedback protection unit, the information of Real-time Feedback transformer, to chipset, reduces input voltage when overvoltage;
Voltage regulation unit, the output voltage of stabilizing transformer.
Preferably, described output unit comprises relay unit and signal processor, relay unit, can control UNICOM or the closedown of power-supply system and load circuit; Signal processor, can feed back to chipset by the output signal that output unit produces.
Preferably, described noise reduction unit comprises an inductance component, two differential mode capacitors and a common mode capacitance, and described differential mode capacitor is connected in parallel with inductance component afterwards and accessed the earth, and common mode capacitance is in parallel with inductance component.
Preferably, described overload protection unit is in series by thermistor and piezo-resistance.
Pass through technique scheme, a kind of power-supply system provided by the invention, can in overvoltage by arranging overload protection unit protection power source system, automatic tripping protection power-supply system security of operation under overheat condition, chipset is provided with in voltage transformation unit, chipset is connected with protection feedback unit, ruuning situation in voltage transformation unit can be fed back to chipset by protection feedback unit in real time, when overtension or overheated time can realize the operation of brownout operation protection power source system, feedback effect due to chipset can adjust transformation power ascension operating efficiency and ensure the safe operation of this power-supply system and efficient work, further beneficial effect of the present invention is, be provided with noise reduction unit in the present invention, noise reduction unit can eliminate the interference signal of power supply source to voltage transformation unit, prevent the interference of outside input to voltage transformation unit work, the interference signal of voltage transformation unit to power supply source can be eliminated simultaneously, prevent from disturbing the work of power supply source, promote the job stability of this power-supply system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.
Fig. 1 is the figure block diagram of power-supply system of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
As described in Figure 1, a kind of power-supply system, can operate to supply electrical power to load circuit, it is characterized in that: it comprises power supply source, overload protection unit, noise reduction unit, rectification filtering unit, voltage transformation unit and output unit the present embodiment,
Power supply source, it comprises multiple power end, and described power supply source can operate to provide electric power by multiple power end;
Overload protection unit, can transshipping, overheated, overvoltage time cut off power supply source input electric power;
Noise reduction unit, can eliminate power supply source produce interference signal import into voltage transformation unit eliminate simultaneously voltage transformation unit produce interference signal import power supply source into;
Rectification filtering unit, can become the alternating current that power supply source provides into direct current;
Voltage transformation unit, can burning voltage, and simultaneously through the automatic regulation voltage of feedback processing, and the voltage transformation provided by power supply source is supplied to output unit; And
Output unit, electric power is supplied to load circuit by described output unit, and output signal is fed back to voltage transformation unit realizes closed-loop control.
Described voltage transformation unit comprises chipset, feedback protection unit, transformer and voltage regulation unit,
Transformer, realizes transformation and is supplied to output unit;
Chipset, realizes the control to transformer;
Feedback protection unit, the information of Real-time Feedback transformer, to chipset, reduces input voltage when overvoltage;
Voltage regulation unit, the output voltage of stabilizing transformer.
Described output unit comprises relay unit and signal processor,
Relay unit, can control UNICOM or the closedown of power-supply system and load circuit;
Signal processor, can feed back to chipset by the output signal that output unit produces.
Described noise reduction unit comprises an inductance component, two differential mode capacitors and a common mode capacitance, and described differential mode capacitor is connected in parallel with inductance component afterwards and accessed the earth, and common mode capacitance is in parallel with inductance component.
Described overload protection unit is in series by thermistor and piezo-resistance.
The present embodiment by arrange overload protection unit protection power source system can under overvoltage overheat condition automatic tripping protection power-supply system security of operation, chipset is provided with in voltage transformation unit, chipset is connected with protection feedback unit, ruuning situation in voltage transformation unit can be fed back to chipset by protection feedback unit in real time, when overtension or overheated time can realize the operation of brownout operation protection power source system, the feedback effect due to chipset can adjust transformation power ascension operating efficiency and ensure the safe operation of this power-supply system and efficient work; Further beneficial effect of the present invention is, be provided with noise reduction unit in the present invention, noise reduction unit can eliminate the interference signal of power supply source to voltage transformation unit, prevent the interference of outside input to voltage transformation unit work, the interference signal of voltage transformation unit to power supply source can be eliminated simultaneously, prevent from disturbing the work of power supply source, promote the job stability of this power-supply system.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a power-supply system, can operate to supply electrical power to load circuit, it is characterized in that: it comprises power supply source, overload protection unit, noise reduction unit, rectification filtering unit, voltage transformation unit and output unit,
Power supply source, it comprises multiple power end, and described power supply source can operate to provide electric power by multiple power end;
Overload protection unit, can transshipping, overheated, overvoltage time cut off power supply source input electric power;
Noise reduction unit, can eliminate power supply source produce interference signal import into voltage transformation unit eliminate simultaneously voltage transformation unit produce interference signal import power supply source into;
Rectification filtering unit, can become the alternating current that power supply source provides into direct current;
Voltage transformation unit, can burning voltage, and simultaneously through the automatic regulation voltage of feedback processing, and the voltage transformation provided by power supply source is supplied to output unit; And
Output unit, electric power is supplied to load circuit by described output unit, and output signal is fed back to voltage transformation unit realizes closed-loop control.
2. a kind of power-supply system according to claim 1, is characterized in that: described voltage transformation unit comprises chipset, feedback protection unit, transformer and voltage regulation unit,
Transformer, realizes transformation and is supplied to output unit;
Chipset, realizes the control to transformer;
Feedback protection unit, the information of Real-time Feedback transformer, to chipset, reduces input voltage when overvoltage;
Voltage regulation unit, the output voltage of stabilizing transformer.
3. a kind of power-supply system according to claim 1 and 2, is characterized in that: described output unit comprises relay unit and signal processor,
Relay unit, can control UNICOM or the closedown of power-supply system and load circuit;
Signal processor, can feed back to chipset by the output signal that output unit produces.
4. a kind of power-supply system according to claim 1 and 2, it is characterized in that: described noise reduction unit comprises an inductance component, two differential mode capacitors and a common mode capacitance, described differential mode capacitor is connected in parallel with inductance component afterwards and is accessed the earth, and common mode capacitance is in parallel with inductance component.
5. a kind of power-supply system according to claim 1, is characterized in that: described overload protection unit is in series by thermistor and piezo-resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310312731.5A CN104348138A (en) | 2013-07-23 | 2013-07-23 | Power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310312731.5A CN104348138A (en) | 2013-07-23 | 2013-07-23 | Power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104348138A true CN104348138A (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310312731.5A Pending CN104348138A (en) | 2013-07-23 | 2013-07-23 | Power supply system |
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Citations (7)
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|---|---|---|---|---|
| CN201422183Y (en) * | 2009-05-26 | 2010-03-10 | 郑州光华灯具有限公司 | High-power LED lamp drive device |
| CN201499093U (en) * | 2009-04-28 | 2010-06-02 | 北京华浩森科技发展有限责任公司 | High-frequency switch power supply |
| CN202395666U (en) * | 2011-08-09 | 2012-08-22 | 赵宽彬 | AC switch power source |
| CN202396031U (en) * | 2011-10-31 | 2012-08-22 | 中国科学院自动化研究所 | Lighting LED driver |
| US20130021713A1 (en) * | 2011-07-20 | 2013-01-24 | Lsis Co., Ltd. | Electronic magnetic contactor |
| TWI396353B (en) * | 2009-05-22 | 2013-05-11 | Hon Hai Prec Ind Co Ltd | Power supply module |
| CN203387162U (en) * | 2013-07-23 | 2014-01-08 | 江阴高雷德电力自动化设备有限公司 | Power supply system |
-
2013
- 2013-07-23 CN CN201310312731.5A patent/CN104348138A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201499093U (en) * | 2009-04-28 | 2010-06-02 | 北京华浩森科技发展有限责任公司 | High-frequency switch power supply |
| TWI396353B (en) * | 2009-05-22 | 2013-05-11 | Hon Hai Prec Ind Co Ltd | Power supply module |
| CN201422183Y (en) * | 2009-05-26 | 2010-03-10 | 郑州光华灯具有限公司 | High-power LED lamp drive device |
| US20130021713A1 (en) * | 2011-07-20 | 2013-01-24 | Lsis Co., Ltd. | Electronic magnetic contactor |
| CN202395666U (en) * | 2011-08-09 | 2012-08-22 | 赵宽彬 | AC switch power source |
| CN202396031U (en) * | 2011-10-31 | 2012-08-22 | 中国科学院自动化研究所 | Lighting LED driver |
| CN203387162U (en) * | 2013-07-23 | 2014-01-08 | 江阴高雷德电力自动化设备有限公司 | Power supply system |
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Application publication date: 20150211 |