CN203387162U - Power supply system - Google Patents
Power supply system Download PDFInfo
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- CN203387162U CN203387162U CN201320439352.8U CN201320439352U CN203387162U CN 203387162 U CN203387162 U CN 203387162U CN 201320439352 U CN201320439352 U CN 201320439352U CN 203387162 U CN203387162 U CN 203387162U
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Abstract
The utility model discloses a power supply system. The power supply system can be operated so as to provide power for a load circuit. The power supply system comprises a power supplying source, an overload protection unit, a noise reduction unit, a rectifying and filtering unit, a voltage transformation unit and an output unit, wherein the power supplying source can be operated so as to provide power for a plurality of power supply ends, the overload protection unit can cut off the power input of the power supplying source when overload, overheating and overvoltage states appear, the noise reduction unit can eliminate interference signals, the rectifying and filtering unit converts alternating current provided by the power supplying source into direct current, the voltage transformation unit can stabilize voltage and at the same time, can automatically adjust the voltage through feedback processing, and can transform voltage provided by the power supplying source and provide the transformed voltage to the output unit, and the output unit provides power to the load circuit and feeds back output signals to the voltage transformation unit, and therefore, closed-loop control can be realized. The power supply system of the utility model can effectively isolate and eliminate signal interference, ensure stable voltage transformation and improve operational reliability.
Description
Technical field
The utility model relates to the power technology field, particularly a kind of power-supply system.
Background technology
The input voltage range of existing power-supply system is less, can't meet the needs of the working condition that voltage adjusting range is larger.When the high input voltage situation, whole system will be born larger load, easily causes overvoltage, overheated situation, and the safety and stability that can't be protected to power-supply system exerts an influence.Simultaneously, the interference due to outside input, make the transformation process be affected, and makes that the transformation process unstablely causes that the power-supply system cost is high, efficiency is low, poor work stability, reliability guarantee be inadequate.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of power-supply system, its objective is, can provide a kind of erasure signal that can effectively completely cut off to disturb, and guarantees the transformation working stability, improves the power-supply system of power-supply system functional reliability.
For achieving the above object, the technical solution of the utility model is as follows;
A kind of power-supply system, can operate provides electric power to load circuit, and 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 a plurality of power ends, described power supply source can operate to provide electric power by a plurality of power ends;
Overload protection unit can cut off the power supply source input electric power when overload, overheated, overvoltage;
Noise reduction unit, can eliminate interference signal that power supply source produces and import voltage transformation unit into and eliminate the interference signal that voltage transformation unit produces simultaneously and import power supply source into;
Rectification filtering unit, the alternating current that power supply source can be provided becomes direct current;
Voltage transformation unit, can burning voltage, pass through the automatic regulation voltage of feedback processing, and the voltage transformation that power supply source is provided offers output unit simultaneously; And
Output unit, described output unit offers load circuit by electric power, 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, realize that transformation offers output unit;
Chipset, realize the control to transformer;
The 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, and relay unit can be controlled the UNICOM of power-supply system and load circuit or close; Signal processor, the output signal that output unit can be produced feeds back to chipset.
Preferably, described noise reduction unit comprises an inductance component, two differential mode capacitors and a common mode capacitance, and in parallel with inductance component and access the earth after the series connection of described differential mode capacitor, 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 that the utility model provides, can be in overvoltage by overload protection unit protection power source system is set, automatic tripping protection power-supply system security of operation under overheat condition, be provided with chipset in voltage transformation unit, chipset is connected with the protection feedback unit, the protection feedback unit can feed back to chipset by the ruuning situation in voltage transformation unit in real time, can realize the operation of brownout operation protection power source system when overtension or when overheated, because the feedback effect of chipset can be adjusted safe operation and the efficient operation that transformation power ascension operating efficiency guarantees this power-supply system, further beneficial effect of the present utility model is, be provided with noise reduction unit in the utility model, noise reduction unit can be eliminated the interference signal of power supply source to voltage transformation unit, prevent the interference of outside input to voltage transformation unit work, can eliminate the interference signal of voltage transformation unit to power supply source simultaneously, prevent from the work of power supply source is disturbed, promote the job stability of this power-supply system.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described.
The figure block diagram that Fig. 1 is the utility model power-supply system.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
The present embodiment as described in Figure 1, a kind of power-supply system, can operate provides electric 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 a plurality of power ends, described power supply source can operate to provide electric power by a plurality of power ends;
Overload protection unit can cut off the power supply source input electric power when overload, overheated, overvoltage;
Noise reduction unit, can eliminate interference signal that power supply source produces and import voltage transformation unit into and eliminate the interference signal that voltage transformation unit produces simultaneously and import power supply source into;
Rectification filtering unit, the alternating current that power supply source can be provided becomes direct current;
Voltage transformation unit, can burning voltage, pass through the automatic regulation voltage of feedback processing, and the voltage transformation that power supply source is provided offers output unit simultaneously; And
Output unit, described output unit offers load circuit by electric power, 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, realize that transformation offers output unit;
Chipset, realize the control to transformer;
The 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 the UNICOM of power-supply system and load circuit or close;
Signal processor, the output signal that output unit can be produced feeds back to chipset.
Described noise reduction unit comprises an inductance component, two differential mode capacitors and a common mode capacitance, and in parallel with inductance component and access the earth after the series connection of described differential mode capacitor, 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 be under the overvoltage overheat condition tripping protection power-supply system security of operation automatically, be provided with chipset in voltage transformation unit, chipset is connected with the protection feedback unit, the protection feedback unit can feed back to chipset by the ruuning situation in voltage transformation unit in real time, can realize the operation of brownout operation protection power source system when overtension or when overheated, because the feedback effect of chipset can be adjusted safe operation and the efficient operation that transformation power ascension operating efficiency guarantees this power-supply system; Further beneficial effect of the present utility model is, be provided with noise reduction unit in the utility model, noise reduction unit can be eliminated the interference signal of power supply source to voltage transformation unit, prevent the interference of outside input to voltage transformation unit work, can eliminate the interference signal of voltage transformation unit to power supply source simultaneously, prevent from the work of power supply source is disturbed, promote the job stability of this power-supply system.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment 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 provides electric power to load circuit, and 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 a plurality of power ends, described power supply source can operate to provide electric power by a plurality of power ends;
Overload protection unit can cut off the power supply source input electric power when overload, overheated, overvoltage;
Noise reduction unit, can eliminate interference signal that power supply source produces and import voltage transformation unit into and eliminate the interference signal that voltage transformation unit produces simultaneously and import power supply source into;
Rectification filtering unit, the alternating current that power supply source can be provided becomes direct current;
Voltage transformation unit, can burning voltage, pass through the automatic regulation voltage of feedback processing, and the voltage transformation that power supply source is provided offers output unit simultaneously; And
Output unit, described output unit offers load circuit by electric power, 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, it is characterized in that: described voltage transformation unit comprises chipset, feedback protection unit, transformer and voltage regulation unit,
Transformer, realize that transformation offers output unit;
Chipset, realize the control to transformer;
The 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, it is characterized in that: described output unit comprises relay unit and signal processor,
Relay unit, can control the UNICOM of power-supply system and load circuit or close;
Signal processor, the output signal that output unit can be produced feeds back to chipset.
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, in parallel with inductance component and access the earth after the series connection of described differential mode capacitor, common mode capacitance is in parallel with inductance component.
5. a kind of power-supply system according to claim 1, it 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 |
|---|---|---|---|
| CN201320439352.8U CN203387162U (en) | 2013-07-23 | 2013-07-23 | Power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439352.8U CN203387162U (en) | 2013-07-23 | 2013-07-23 | Power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387162U true CN203387162U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320439352.8U Expired - Fee Related CN203387162U (en) | 2013-07-23 | 2013-07-23 | Power supply system |
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| Country | Link |
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| CN (1) | CN203387162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348138A (en) * | 2013-07-23 | 2015-02-11 | 江阴高雷德电力自动化设备有限公司 | Power supply system |
-
2013
- 2013-07-23 CN CN201320439352.8U patent/CN203387162U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348138A (en) * | 2013-07-23 | 2015-02-11 | 江阴高雷德电力自动化设备有限公司 | Power supply system |
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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: 20140108 Termination date: 20150723 |
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| EXPY | Termination of patent right or utility model |