CN203491897U - Electric transformer for computer - Google Patents
Electric transformer for computer Download PDFInfo
- Publication number
- CN203491897U CN203491897U CN201320586433.0U CN201320586433U CN203491897U CN 203491897 U CN203491897 U CN 203491897U CN 201320586433 U CN201320586433 U CN 201320586433U CN 203491897 U CN203491897 U CN 203491897U
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- CN
- China
- Prior art keywords
- diode
- triode
- transformer
- electric capacity
- resistance
- Prior art date
- 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 discloses an electric transformer for a computer. The electric transformer is characterized by comprising a bidirectional voltage-stabilizing diode, a transformer body, a first triode, a second triode, first to third capacitor, first to fourth diode, a first resistor, and a second resistor. The two terminals of a primary winding of the transformer body are respectively connected to first and second output terminals of voltage. The first terminal of a secondary winding of the transformer body is connected with the base electrode of the first triode. The second terminal of the secondary winding of the transformer body is connected with the first terminal of the second capacitor and the first terminal of the third capacitor. The second terminal of the second capacitor is connected with the collector electrode of the first triode, the first terminal of the second resistor, the negative electrode of the first diode, and the negative electrode of the second diode. The electric transformer of the utility model is simple in circuit structure and high in transformation accuracy, and has popularization and utilization values.
Description
Technical field
The utility model relates to a kind of electronic transformer, relates in particular to a kind of electronic transformer for computer.
Background technology
In computer, the needed voltage of various piece is different, if there is the excessive or too small situation of voltage, can cause computer normally to work or to be burnt, the electronic transformer for computer that used on the market at present exists the not high problem of accuracy of complex structure and transformation.
Utility model content
The purpose of this utility model provides a kind of electronic transformer for computer with regard to being in order to address the above problem.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of electronic transformer for computer, comprise bi-directional voltage stabilizing diode, transformer, the first triode, the second triode, the first electric capacity to the three electric capacity, the first diode to the four diodes, the first resistance and the second resistance, the two ends of a winding of described transformer connect respectively voltage the first output and the second output, the first end of the secondary winding of described transformer is connected with the base stage of described the first triode, the second end of the secondary winding of described transformer is connected with the first end of described the 3rd electric capacity with the first end of described the second electric capacity respectively, the second end of described the second electric capacity respectively with the collector electrode of described the first triode, the first end of described the second resistance, the negative pole of described the first diode is connected with the negative pole of described the second diode, the second end of described the 3rd electric capacity respectively with the emitter of described the second triode, the first end of described the first electric capacity, the positive pole of described the 3rd diode is connected with the positive pole of described the 4th diode, the emitter of described the first triode is connected with the collector electrode of described the second triode, the base stage of described the second triode is connected with the first end of described bi-directional voltage stabilizing diode, the second end of described bi-directional voltage stabilizing diode is connected with the second end of described the second resistance and the second end of described the first electric capacity respectively, the positive pole of described the second diode is connected with the first voltage input end with the negative pole of described the 4th diode respectively, the positive pole of described the first diode is connected with the negative pole of described the 3rd diode with the first end of described the first resistance respectively, the second end of described the first resistance is connected with second voltage input.
The beneficial effects of the utility model are:
A kind of electronic transformer for computer of the utility model, its circuit structure is simple, and the accuracy of transformation is high, has the value of promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of electronic transformer for computer of the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of electronic transformer for computer of the utility model, comprise bi-directional voltage stabilizing diode ZD, transformer T, the first triode VT1, the second triode VT2, the first capacitor C 1 is to the 3rd capacitor C 3, the first diode D1 to the four diode D4, the first resistance R 1 and the second resistance R 2, the two ends of a winding of transformer T connect respectively voltage the first output and the second output, the first end of the secondary winding of transformer T is connected with the base stage of the first triode VT1, the second end of the secondary winding of transformer T is connected with the first end of the 3rd capacitor C 3 with the first end of the second capacitor C 2 respectively, the second end of the second capacitor C 2 respectively with the collector electrode of the first triode VT1, the first end of the second resistance R 2, the negative pole of the first diode D1 is connected with the negative pole of the second diode D2, the second end of the 3rd capacitor C 3 respectively with the emitter of the second triode VT2, the first end of the first capacitor C 1, the positive pole of the 3rd diode D3 is connected with the positive pole of the 4th diode D4, the emitter of the first triode VT1 is connected with the collector electrode of the second triode VT2, the base stage of the second triode VT2 is connected with the first end of bi-directional voltage stabilizing diode ZD, the second end of bi-directional voltage stabilizing diode ZD is connected with the second end of the first capacitor C 1 with the second end of the second resistance R 2 respectively, the positive pole of the second diode D2 is connected with the first voltage input end with the negative pole of the 4th diode D4 respectively, the positive pole of the first diode D1 is connected with the negative pole of the 3rd diode D3 with the first end of the first resistance R 1 respectively, the second end of the first resistance R 1 is connected with second voltage input.
Claims (1)
1. the electronic transformer for computer, it is characterized in that: comprise bi-directional voltage stabilizing diode, transformer, the first triode, the second triode, the first electric capacity to the three electric capacity, the first diode to the four diodes, the first resistance and the second resistance, the two ends of a winding of described transformer connect respectively voltage the first output and the second output, the first end of the secondary winding of described transformer is connected with the base stage of described the first triode, the second end of the secondary winding of described transformer is connected with the first end of described the 3rd electric capacity with the first end of described the second electric capacity respectively, the second end of described the second electric capacity respectively with the collector electrode of described the first triode, the first end of described the second resistance, the negative pole of described the first diode is connected with the negative pole of described the second diode, the second end of described the 3rd electric capacity respectively with the emitter of described the second triode, the first end of described the first electric capacity, the positive pole of described the 3rd diode is connected with the positive pole of described the 4th diode, the emitter of described the first triode is connected with the collector electrode of described the second triode, the base stage of described the second triode is connected with the first end of described bi-directional voltage stabilizing diode, the second end of described bi-directional voltage stabilizing diode is connected with the second end of described the second resistance and the second end of described the first electric capacity respectively, the positive pole of described the second diode is connected with the first voltage input end with the negative pole of described the 4th diode respectively, the positive pole of described the first diode is connected with the negative pole of described the 3rd diode with the first end of described the first resistance respectively, the second end of described the first resistance is connected with second voltage input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320586433.0U CN203491897U (en) | 2013-09-23 | 2013-09-23 | Electric transformer for computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320586433.0U CN203491897U (en) | 2013-09-23 | 2013-09-23 | Electric transformer for computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491897U true CN203491897U (en) | 2014-03-19 |
Family
ID=50262697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320586433.0U Expired - Fee Related CN203491897U (en) | 2013-09-23 | 2013-09-23 | Electric transformer for computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491897U (en) |
-
2013
- 2013-09-23 CN CN201320586433.0U patent/CN203491897U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YUNNAN HENGGUANG SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHENGDU SIFEIKESI INFORMATION TECHNOLOGY CO., LTD. Effective date: 20140519 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610000 CHENGDU, SICHUAN PROVINCE TO: 650228 KUNMING, YUNNAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140519 Address after: 650228 No. 1395, Dianchi Road, Xishan District, Yunnan, Nagoya, No. 23, 1, Dianchi, Kunming Patentee after: YUNNAN HENGGUANG SCIENCE&TECHNOLOGY CO., LTD. Address before: 610000 No. 1480, north section of Tianfu Road, Chengdu high tech Zone, Sichuan Patentee before: SFX INFO INTERNATIONAL PTE LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20150923 |
|
| EXPY | Termination of patent right or utility model |