CN2882081Y - High power energency power supply for input circuit equipment with rectifier filter power supply - Google Patents
High power energency power supply for input circuit equipment with rectifier filter power supply Download PDFInfo
- Publication number
- CN2882081Y CN2882081Y CNU2006200814320U CN200620081432U CN2882081Y CN 2882081 Y CN2882081 Y CN 2882081Y CN U2006200814320 U CNU2006200814320 U CN U2006200814320U CN 200620081432 U CN200620081432 U CN 200620081432U CN 2882081 Y CN2882081 Y CN 2882081Y
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- circuit
- storage battery
- power supply
- power
- rectification
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The utility model relates to a big-power backup power supply applicable for equipment with a rectifying and filtering power inputting circuit, which is characterized in that the utility model comprises a rectifying circuit, a battery detecting and charging circuit, a battery and a filtering capacitor. The input end of the rectifying circuit is connected with the input end of local power supply, the output end of the rectifying circuit is connected with the input end of the battery detecting and charging circuit, and is connected to the two ends of the filtering capacitor. The output end of the battery detecting and charging circuit is connected with the positive and negative pole of the battery. The positive pole of the battery is connected with the positive pole of an isolating diode, the negative pole of the isolating diode and the negative pole of the battery constitute the output end of the backup power supply.
Description
Technical field
The utility model relates to high-power back-up source, specifically is meant to be applicable to the high-power back-up source with rectification filtering power input circuit equipment.
Background technology
In the prior art, high-power back-up source all converts the direct voltage of storage battery to sinusoidal voltage by inverter without any exception, in transfer process owing to painstakingly require the quality of the alternating voltage exported, used extremely complicated circuit, the cost of circuit is high, the conversion efficiency of storage battery energy also has only more than 80% at the most, is difficult to surpass 90%.Yet in most of occasions, needing the power supply input circuit version of the equipment of high-power back-up source power supply mostly is the rectifying and wave-filtering form, even thereby high-quality again alternating current enter power consumption equipment and also will be rectified into direct current.
As seen, in this case, from electrical network to direct power consumption equipment, experienced the grid alternating current rectifying and wave-filtering has been become direct current, be charge in batteries, be that alternating current is a power devices with the accumulator DC inversion during power failure, the power supply circuits of equipment are filtered into AC rectification the process that direct current utilizes again.Not only the use cost of back-up source is high, circuit is extremely complicated for this supply power mode, energy conversion efficiency is low, and this complicated transfer process really belongs to and there is no need.
The utility model content
The utility model provides a kind of high-power back-up source with rectification filtering power input circuit equipment that is applicable to, its main purpose is to overcome shortcomings such as existing high-power back-up source use cost is high, circuit is extremely complicated, energy conversion efficiency is low.
The utility model adopts following technical scheme: be applicable to the high-power back-up source with rectification filtering power input circuit equipment, comprise rectification circuit, battery pack detects and charging circuit, storage battery and filter capacitor, the input termination mains electricity input end of rectification circuit, the output termination battery pack detection of rectification circuit and the input of charging circuit, and be connected to the two ends of filter capacitor, the both positive and negative polarity of the output termination storage battery of battery pack detection and charging circuit, the positive pole of storage battery connects the positive pole of an isolating diode, and the negative pole of this isolating diode and the negative pole of storage battery form the output of this back-up source.
When the electrical network normal power supply, rectification circuit becomes unsettled direct current to power devices the civil power AC rectification, and storage battery is charged by battery charging circuit, because the voltage of accumulator output end is less than the output voltage of rectification circuit, under the effect of diode, accumulator output end is in off state, and storage battery is externally power supply not; When grid cut-off, the terminal voltage that is powered the device interior energy storage capacitor drops to when being lower than accumulator voltage 1V and rises, diode current flow, and storage battery carries out direct current supply to this equipment.This shows, this uninterrupted power supply is directly powered to equipment with direct current, reduced in the past uninterrupted power supply and uprised to press by low-voltage direct and exchange, become these two transform parts of low-voltage direct by the device power supply (DPS) circuit by high-voltage alternating again, thereby significantly reduced the loss of electric energy; And by civil power directly power supply do not cause of short duration outage in being converted to by battery-driven process, thereby can guarantee the Electrical Safety of equipment.
The aforementioned high-power back-up source with rectification filtering power input circuit equipment that is applicable to, described rectification circuit are a single-phase rectification bridge of being made up of four diodes.This kind circuit structure is applicable to the situation of single-phase alternating current power supply.
The aforementioned high-power back-up source with rectification filtering power input circuit equipment that is applicable to, described rectification circuit are a three-phase commutation bridge of being made up of six diodes.This kind circuit structure is applicable to the situation of three-phase alternating current power supply.
The aforementioned high-power back-up source that is applicable to rectification filtering power input circuit equipment, described storage battery is in series by more piece 1AH storage battery, terminal voltage was as the criterion with the power demands that can satisfy equipment and less than the output voltage of rectification circuit when this storage battery was full of electricity, thus the purpose of automatic switch-over circuit can under the effect of diode, play outage the time.And the output current of storage battery is little, and the electric energy that is consumed in internal resistance during work is few, can prolong the useful life of storage battery; Because discharging current is little, thereby storage battery its electric energy conversion when power supply is more thorough, thereby the power-on time of storage battery after outage is longer.
By above-mentioned description to the utility model structure as can be known, compare, the utlity model has following advantage with prior art: one, circuit structure is simple, and cost is low, energy conversion efficiency height, saves energy more; Two, there is not of short duration outage in the power supply handoff procedure, guaranteed the continuity of power supply, make the operation of the equipment of being powered more safe and reliable; Three, owing to adopt the series connection of more piece storage battery, output current is little, thereby the longer service life of storage battery, and the power-on time after the outage also prolongs greatly.
Description of drawings
Fig. 1 is the electrical block diagram of the utility model embodiment one;
Fig. 2 is the electrical block diagram of the utility model embodiment two.
Specific embodiment
Specific embodiment of the utility model one with reference to Fig. 1, the figure illustrates the circuit structure of present embodiment.This circuit comprises that rectification circuit 1, filter capacitor 2, battery pack detect and charging circuit 3, storage battery 4 and and isolating diode 5.The input of rectification circuit 1 is connected to the electrical network input, the input of its output termination battery pack detection and charging circuit 3, the both positive and negative polarity of the output termination storage battery 4 of battery pack detection and charging circuit 3, the positive pole of storage battery 4 connects the positive pole of isolating diode 5, the negative pole of the negative pole of this isolating diode 5 and storage battery 4 forms the output of this high-power back-up source, and filter capacitor 2 is connected between the output of rectification circuit 1.
Rectification circuit 1 is a bridge rectifier of being made up of four diodes, and its output voltage is the unstable direct voltage of 300V, and this is existing common technique.And storage battery 4 is in series by more piece 1AH storage battery, the output voltage of storage battery 4 is about 270 volts, can satisfy the power demands of equipment, and less than the output voltage 300V of rectification circuit 1, thereby the purpose of automatic switch-over circuit can under the effect of isolating diode 5, play outage the time.
When the electrical network normal power supply, rectification circuit 1 becomes the unstable direct current of 300V directly to be power devices the civil power AC rectification, and detect and 3 pairs of storage batterys 4 of charging circuit charge by battery pack, because the voltage of storage battery 4 outputs is less than the output voltage of rectification circuit 1, isolating diode 5 blocking-up, storage battery 4 outputs are not powered to equipment; When grid cut-off, the terminal voltage of device interior energy storage capacitor drops to when being lower than storage battery 4 terminal voltage 1V and rises, isolating diode 5 conductings, and storage battery 4 begins equipment is directly carried out direct current supply.The device interior power circuit carries out rectifying and wave-filtering to the 270V direct voltage of its output again, forms the required direct voltage of its internal circuit.
This shows, this back-up source is directly powered to equipment with direct current, reduced in the past back-up source and uprised to press by low-voltage direct and exchange, become these two transform parts of low-voltage direct by the device interior power circuit by high-voltage alternating again, thereby significantly reduced the loss of electric energy; And, by civil power directly power supply be converted in the process by storage battery 4 power supplies and do not cause of short duration outage, just the 270V direct current output of storage battery 4 is reduced in the power supply of back-up source by the unstable direct voltage of original 300V, can satisfy the power demands of equipment, guarantee the continuity of powering in the handoff procedure, thereby can guarantee the safe and reliable operation of equipment.And the output current of storage battery 4 is little, and the electric energy that is consumed in internal resistance during work is few, can prolong the useful life of storage battery 4; Because discharging current is little, thereby storage battery 4 its electric energy conversion when power supply is more thorough, thereby the power-on time of storage battery 4 after outage is longer.
Specific embodiment of the utility model two, with reference to Fig. 2, the principle of its basic structure and embodiment one are similar, and the main distinction is that its rectification circuit 1 is a rectified three-phase circuit of being made up of six diode groups, is applicable to the occasion of three-phase alternating current power supply.
Above-mentioned only is specific embodiment of the utility model, but design concept of the present utility model is not limited thereto, and allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection range.
Claims (4)
1, be applicable to high-power back-up source with rectification filtering power input circuit equipment, it is characterized in that: comprise rectification circuit, battery pack detects and charging circuit, storage battery and filter capacitor, the input termination mains electricity input end of rectification circuit, the output termination battery pack detection of rectification circuit and the input of charging circuit, and be connected to the two ends of filter capacitor, the both positive and negative polarity of the output termination storage battery of battery pack detection and charging circuit, the positive pole of storage battery connects the positive pole of an isolating diode, and the negative pole of this isolating diode and the negative pole of storage battery form the output of this back-up source.
2, the high-power back-up source with rectification filtering power input circuit equipment that is applicable to as claimed in claim 1 is characterized in that: described rectification circuit is a single-phase rectification bridge of being made up of four diodes.
3, the high-power back-up source with rectification filtering power input circuit equipment that is applicable to as claimed in claim 1 is characterized in that: described rectification circuit is a three-phase commutation bridge of being made up of six diodes.
4, the high-power back-up source with rectification filtering power input circuit equipment that is applicable to as claimed in claim 1, it is characterized in that: described storage battery is in series by more piece 1AH storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200814320U CN2882081Y (en) | 2006-02-27 | 2006-02-27 | High power energency power supply for input circuit equipment with rectifier filter power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200814320U CN2882081Y (en) | 2006-02-27 | 2006-02-27 | High power energency power supply for input circuit equipment with rectifier filter power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2882081Y true CN2882081Y (en) | 2007-03-21 |
Family
ID=37881923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200814320U Expired - Fee Related CN2882081Y (en) | 2006-02-27 | 2006-02-27 | High power energency power supply for input circuit equipment with rectifier filter power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2882081Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403774A (en) * | 2010-09-15 | 2012-04-04 | 三星电机株式会社 | Power source applied in thermoelectric element |
| CN102403773A (en) * | 2010-09-15 | 2012-04-04 | 三星电机株式会社 | Power Supply For Thermoelectric Element |
-
2006
- 2006-02-27 CN CNU2006200814320U patent/CN2882081Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403774A (en) * | 2010-09-15 | 2012-04-04 | 三星电机株式会社 | Power source applied in thermoelectric element |
| CN102403773A (en) * | 2010-09-15 | 2012-04-04 | 三星电机株式会社 | Power Supply For Thermoelectric Element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |