CN2397670Y - Low power AC/DC voltage conversion module - Google Patents
Low power AC/DC voltage conversion module Download PDFInfo
- Publication number
- CN2397670Y CN2397670Y CN 99250275 CN99250275U CN2397670Y CN 2397670 Y CN2397670 Y CN 2397670Y CN 99250275 CN99250275 CN 99250275 CN 99250275 U CN99250275 U CN 99250275U CN 2397670 Y CN2397670 Y CN 2397670Y
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- Prior art keywords
- utility
- power supply
- diode
- model
- resistance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a low power AC/DC voltage conversion module which is an AC/DC power supply switching device. From the AC power supply, the utility model directly obtains a stabilized DC power supply which is separated from the AC source. The utility model is composed of a variable pressure coil, a resistor, a capacitor, a diode and connecting wires among the components. A resistor is firstly connected with the capacitor in parallel, and is then connected to the primary edge of the variable pressure coil. A secondary side is connected with a bridge rectifier circuit. The utility model has the advantages of small size, light weight, convenient operation, high safety, energy saving, etc. The device is suitable for various electromechanical devices, instruments and meters as the DC power supply.
Description
Small-power combined-voltage modular converter described in the utility model is a kind of novel power supply conversion equipment that can directly obtain a stable and DC power supply that keep apart with AC power on AC power.
At present, DC power supply in various instruments, instrument, electromechanics, the household appliances mostly is simple resistance step-down, or provide DC power supply by the bigger transformer step-down of volume, or battery-powered etc., it is not good that the resultant direct current of said method exists performance, in shortcomings such as battery easy-to-leak liquid, power shortage, the frequent replacings of palpus.
In view of above-mentioned existing in prior technology problem the purpose of this utility model is the design novel small-power combined-voltage modular converter that a kind of power source performance is good, volume is little, in light weight, easy to use.
Small-power combined-voltage modular converter described in the utility model, its structure is to be made up of transformation coil, resistance, electric capacity, diode and connection line thereof; The primary coil of transformation coil is connected with resistance 1, and electric capacity 1 is parallel to the two ends of resistance 1, and diode 1,2,3,4 constitutes electric bridge, and the input of electric bridge links to each other with the secondary coil of transformation coil; Electricity group 2 and the output that is parallel to electric bridge after diode 5 is connected, electric bridge output are also and diode 6 and electric capacity 2 arranged.
Small-power combined-voltage modular converter described in the utility model can directly obtain the DC power supply of a stable performance of isolating with AC power from the ac voltage power supply.The utlity model has advantages such as volume is little, in light weight, easy to use, economize on electricity, applied range, can be widely used in various electromechanical equipments, instrument, the instrument, and can provide than the galvanic current source for various small-power direct current operating circuits.
Accompanying drawing of the present utility model is: the circuit theory diagrams of small-power combined-voltage modular converter
Among the figure: L-transformation coil R
1-resistance 1 R
2-resistance 2 D
1, D
2, D
3, D
4-diode 1,2,3,4 D
5-diode 5 D
6-diode 6 C
1-electric capacity 1 C
2-electric capacity 2
Specific embodiment of the utility model is as shown in drawings: its structure is made up of transformation coil L, resistance, electric capacity, diode and connection line thereof; The primary coil of transformation coil L and resistance 1 R
1Series connection, electric capacity 1 C
1Be parallel to resistance 1 R
1Two ends, diode 1,2,3,4 D
1, D
2, D
3, D
4Constitute electric bridge, the input of electric bridge links to each other with the secondary coil of transformation coil L, plays rectified action; Resistance 2 R
2With diode 5 D
5Be parallel to the output of electric bridge after the series connection, the output of electric bridge also is parallel with diode 6 D
6With electric capacity 2 C
2
Claims (1)
1, a kind of small-power combined-voltage modular converter is characterized in that being made up of transformation coil (L), resistance, electric capacity, diode and connection line thereof; The primary coil of transformation coil (L) and resistance 1 (R
1) series connection, electric capacity 1 (C
1) be parallel to resistance 1 (R
1) two ends, diode 1,2,3,4 (D
1, D
2, D
3, D
4) constituting electric bridge, the input of electric bridge links to each other with the secondary coil of transformation coil (L); Electricity group 2 (R
2) and diode 5 (D
5) being parallel to the output of electric bridge after the series connection, the electric bridge output is also and diode 6 (D are arranged
6) and electric capacity 2 (C
2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99250275 CN2397670Y (en) | 1999-11-08 | 1999-11-08 | Low power AC/DC voltage conversion module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99250275 CN2397670Y (en) | 1999-11-08 | 1999-11-08 | Low power AC/DC voltage conversion module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2397670Y true CN2397670Y (en) | 2000-09-20 |
Family
ID=34035039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99250275 Expired - Fee Related CN2397670Y (en) | 1999-11-08 | 1999-11-08 | Low power AC/DC voltage conversion module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2397670Y (en) |
-
1999
- 1999-11-08 CN CN 99250275 patent/CN2397670Y/en not_active Expired - Fee Related
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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 |