CN203301390U - Direct-current power voltage regulator circuit - Google Patents
Direct-current power voltage regulator circuit Download PDFInfo
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- CN203301390U CN203301390U CN2013201863165U CN201320186316U CN203301390U CN 203301390 U CN203301390 U CN 203301390U CN 2013201863165 U CN2013201863165 U CN 2013201863165U CN 201320186316 U CN201320186316 U CN 201320186316U CN 203301390 U CN203301390 U CN 203301390U
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- capacitor
- resistor
- diode
- cathode output
- transformer
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Abstract
The utility model discloses a direct-current power voltage regulator circuit, including a transformer, a rectifier circuit, a triode, a transistor, a three-terminal adjustable shunt reference source, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first resistor, a second resistor, a third resistor and a fourth resistor. The direct-current power voltage regulator circuit of an electronic component provided by the utility model has the advantages of simple circuit structure, easyness in use, stable performance and long service life.
Description
Technical field
The utility model relates to a kind of voltage stabilizing circuit, relates in particular to a kind of DC power voltage stabilizing circuit.
Background technology
At present the power supply that uses of electronic equipment is all directly to connect the 220V DC power supply, but unstable due to voltage causes a lot of electronic devices and components all because the unstable electronic devices and components that cause of supply voltage are burned, and is unfavorable for the use of electronic devices and components.
The utility model content
The purpose of this utility model provides a kind of DC power voltage stabilizing circuit with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
the utility model comprises transformer, rectification circuit, triode, transistor, three end adjustable shunt reference sources, the first capacitor, the second capacitor, the 3rd capacitor, the 4th capacitor, the 5th capacitor, the first resistor, the second resistor, the 3rd resistor and the 4th resistor, the cathode output end of described DC power supply is connected with the first end of a winding of described transformer, the cathode output end of described DC power supply is connected with the second end of a winding of described transformer, the first end of the secondary winding of described transformer is connected with the first end of described the first capacitor with the electrode input end of described rectification circuit respectively, the second end of the secondary winding of described transformer is connected with the negative input of described rectification circuit, the cathode output end of described rectification circuit respectively with the positive pole of the first diode, the first end of described the second capacitor, the first end of described the 3rd capacitor is connected with the collector electrode of described triode, the negative pole of the first diode is connected with the positive pole of described the second diode with the second end of described the first capacitor respectively, the negative pole of described the second diode is connected with the first end of described the first resistor with the second end of described the 3rd capacitor respectively, the second end of described the first resistor respectively with the base stage of described triode, the negative pole of described three end adjustable shunt reference sources is connected with described transistorized collector electrode, the emitter of described triode is connected with the first end of described the second resistor with described transistorized base stage respectively, the second end of described the second resistor respectively with described transistorized emitter, the first end of described the 3rd resistor, the first end of described the 5th capacitor is connected with cathode output end, described three end adjustable shunt reference source control ends respectively with the first end of described the 4th capacitor, the first end of described the 4th resistor is connected with the first end of described the 3rd resistor, the cathode output end of described rectification circuit respectively with the second end of described the second capacitor, the positive pole of described three end adjustable shunt reference sources, the second end of described the 4th capacitor, the second end of described the 4th resistor, the second end of described the 5th capacitor is connected with cathode output end.
The beneficial effects of the utility model are:
The utility model provides a kind of DC power voltage stabilizing circuit of electronic devices and components, have advantages of that circuit structure is simple, easy to use, stable performance and useful life long.
The accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of DC power voltage stabilizing circuit described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
as shown in Figure 1, the utility model comprises transformer T, rectification circuit UR, triode VS, transistor VT, three end adjustable shunt reference source IC, the first capacitor C1, the second capacitor C2, the 3rd capacitor C3, the 4th capacitor C4, the 5th capacitor C5, the first resistor R1, the second resistor R2, the 3rd resistor R3 and the 4th resistor R4, the cathode output end of DC power supply is connected with the first end of the winding of transformer T, the cathode output end of DC power supply is connected with the second end of the winding of transformer T, the first end of the secondary winding of transformer T is connected with the first end of the first capacitor C1 with the electrode input end of rectification circuit UR respectively, the second end of the secondary winding of transformer T is connected with the negative input of rectification circuit UR, the cathode output end of rectification circuit UR respectively with the positive pole of the first diode VD1, the first end of the second capacitor C2, the first end of the 3rd capacitor C3 is connected with the collector electrode of triode VS, the negative pole of the first diode VD1 is connected with the positive pole of the second diode VD2 with the second end of the first capacitor C1 respectively, the negative pole of the second diode VD2 is connected with the first end of the first resistor R1 with the second end of the 3rd capacitor C3 respectively, the second end of the first resistor R1 respectively with the base stage of triode VS, the negative pole of three end adjustable shunt reference source IC is connected with the collector electrode of transistor VT, and the emitter of triode VS is connected with the first end of the second resistor R2 with the base stage of transistor VT respectively, the second end of the second resistor R2 respectively with the emitter of transistor VT, the first end of the 3rd resistor R3, the first end of the 5th capacitor C5 is connected with cathode output end, the control end of three end adjustable shunt reference source IC respectively with the first end of the 4th capacitor C4, the first end of the 4th resistor R4 is connected with the first end of the 3rd resistor R3, the cathode output end of rectification circuit UR respectively with the second end of the second capacitor C2, the positive pole of three end adjustable shunt reference source IC, the second end of the 4th capacitor C4, the second end of the 4th resistor R4, the second end of the 5th capacitor C5 is connected with cathode output end.
Claims (1)
1. a DC power voltage stabilizing circuit, is characterized in that: comprise transformer, rectification circuit, triode, the first diode, the second diode, transistor, three end adjustable shunt reference sources, the first capacitor, the second capacitor, the 3rd capacitor, the 4th capacitor, the 5th capacitor, the first resistor, the second resistor, the 3rd resistor and the 4th resistor, the cathode output end of described DC power supply is connected with the first end of a winding of described transformer, the cathode output end of described DC power supply is connected with the second end of a winding of described transformer, the first end of the secondary winding of described transformer is connected with the first end of described the first capacitor with the electrode input end of described rectification circuit respectively, the second end of the secondary winding of described transformer is connected with the negative input of described rectification circuit, the cathode output end of described rectification circuit respectively with the positive pole of described the first diode, the first end of described the second capacitor, the first end of described the 3rd capacitor is connected with the collector electrode of described triode, the negative pole of described the first diode is connected with the positive pole of described the second diode with the second end of described the first capacitor respectively, the negative pole of described the second diode is connected with the first end of described the first resistor with the second end of described the 3rd capacitor respectively, the second end of described the first resistor respectively with the base stage of described triode, the negative pole of described three end adjustable shunt reference sources is connected with described transistorized collector electrode, the emitter of described triode is connected with the first end of described the second resistor with described transistorized base stage respectively, the second end of described the second resistor respectively with described transistorized emitter, the first end of described the 3rd resistor, the first end of described the 5th capacitor is connected with cathode output end, the control end of described three end adjustable shunt reference sources respectively with the first end of described the 4th capacitor, the first end of described the 4th resistor is connected with the first end of described the 3rd resistor, the cathode output end of described rectification circuit respectively with the second end of described the second capacitor, the positive pole of described three end adjustable shunt reference sources, the second end of described the 4th capacitor, the second end of described the 4th resistor, the second end of described the 5th capacitor is connected with cathode output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201863165U CN203301390U (en) | 2013-04-15 | 2013-04-15 | Direct-current power voltage regulator circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201863165U CN203301390U (en) | 2013-04-15 | 2013-04-15 | Direct-current power voltage regulator circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301390U true CN203301390U (en) | 2013-11-20 |
Family
ID=49577370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201863165U Expired - Fee Related CN203301390U (en) | 2013-04-15 | 2013-04-15 | Direct-current power voltage regulator circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203301390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022660A (en) * | 2014-06-24 | 2014-09-03 | 苏州塔可盛电子科技有限公司 | Voltage-reducing and voltage-stabilizing circuit |
-
2013
- 2013-04-15 CN CN2013201863165U patent/CN203301390U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022660A (en) * | 2014-06-24 | 2014-09-03 | 苏州塔可盛电子科技有限公司 | Voltage-reducing and voltage-stabilizing circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20140415 |