CN203502906U - Computer power circuit - Google Patents
Computer power circuit Download PDFInfo
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- CN203502906U CN203502906U CN201320657560.5U CN201320657560U CN203502906U CN 203502906 U CN203502906 U CN 203502906U CN 201320657560 U CN201320657560 U CN 201320657560U CN 203502906 U CN203502906 U CN 203502906U
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- Prior art keywords
- diode
- resistance
- triode
- electric capacity
- transformer
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Abstract
The utility model discloses a computer power circuit which comprises a fuse, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first diode, a second diode, a third diode, a fourth diode, a fifth diode, a first triode, a second triode, a light-emitting diode and a transformer. A first voltage input end is connected with the first end of the fuse, and the second end of the fuse is respectively connected with the first end of the first resistor and the first end of the third capacitor. The second end of the first resistor is respectively connected with the first end of the first capacitor, the transmitting set of the first triode, the first end of the fourth resistor and the first end of a first coil of a first winding of the transformer. The computer power circuit is simple in structure, low in cost, low in power consumption, and high in efficiency and has promotional and use value.
Description
Technical field
The utility model relates to a kind of power circuit, relates in particular to a kind of power circuit for computer.
Background technology
Power supply is that various electronic equipments must obligato ingredient, can performance quality be directly connected to the technical indicator of electronic equipment and work safely and reliably, the Switching Power Supply of computing machine is in operational process, because of supply voltage abnormal, can cause power supply to start, or even burn, incoming power overvoltage and the under-voltage harm that switch is caused, be mainly manifested in device and damage because the voltage that bears and electric current exceed normal operating range, because electricity function index is destroyed, can not meet the demands simultaneously.Traditional switching power circuit, exists circuit structure more complicated, the problem such as power consumption is large, cost is high and efficiency is low mostly.
Utility model content
The purpose of this utility model provides a kind of power circuit for computer with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of power circuit for computer, comprise fuse, the first resistance to the six resistance, the first electric capacity to the five electric capacity, the first diode to the five diodes, the first triode, the second triode, light emitting diode and transformer, voltage input first end is connected with the first end of described fuse, the second end of described fuse is connected with the first end of described the 3rd electric capacity with the first end of described the first resistance respectively, the second end of described the first resistance respectively with the first end of described the first electric capacity, the transmitting collection of described the first triode, the first end of the first windings of the first end of described the 4th resistance and described transformer is connected, the second end of described the first electric capacity is connected with the positive pole of described the second diode with the positive pole of described the first diode respectively, the negative pole of described the first diode is connected with the second end of the first windings of the first end of described the second electric capacity and described transformer respectively, the negative pole of described the second diode respectively with the first end of described the second resistance, the first end of described the 3rd resistance, the collector of described the first triode is connected with the base stage of described the second triode, the second end of described the second electric capacity is connected with the second end of described the second resistance, the base stage of described the first triode is connected with the negative pole of described the 4th diode, the positive pole of described the 4th diode is connected with the emitter of described the second triode with the second end of described the 4th resistance respectively, the collector of described the second triode respectively with the first end of described the 4th electric capacity, the second winding first ends of the first end of described the 5th resistance and described transformer are connected, the second end of the second windings of described transformer respectively with the second end of described the 5th resistance, the second end of described the 4th electric capacity, the second end of described the 3rd resistance, the second end of described the 3rd electric capacity is connected with the negative pole of described the 3rd diode, the positive pole of described the 3rd diode is inputted the second end with voltage and is connected, the first end of described transformer secondary winding respectively with the first end of described the 5th electric capacity, the negative pole of described light emitting diode is connected with Voltage-output first end, the second end of described transformer secondary winding is connected with the positive pole of described the 5th diode, the negative pole of described the 5th diode respectively with the second end of described the 5th electric capacity, the first end of described the 6th resistance is connected with Voltage-output the second end, the second end of described the 6th resistance is connected with the positive pole of described light emitting diode.
The beneficial effects of the utility model are:
The utility model is a kind of power circuit for computer, and its circuit structure is simple, and cost is little, low in energy consumption, and efficiency is high, has the value of promoting the use of.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of power circuit 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 power circuit for computer of the utility model, comprise fuse FU, the first resistance R 1 is to the 6th resistance R 6, the first capacitor C 1 is to the 5th capacitor C 5, the first diode D1 to the five diode D5, the first triode VT1, the second triode VT2, LED and transformer T, voltage input first end is connected with the first end of fuse FU, the second end of fuse FU is connected with the first end of the 3rd capacitor C 3 with the first end of the first resistance R 1 respectively, the second end of the first resistance R 1 respectively with the first end of the first capacitor C 1, the transmitting collection of the first triode VT1, the first end of the first windings of the first end of the 4th resistance R 4 and transformer T is connected, the second end of the first capacitor C 1 is connected with the positive pole of the second diode D2 with the positive pole of the first diode D1 respectively, the negative pole of the first diode D1 is connected with the second end of the first windings of the first end of the second capacitor C 2 and transformer T respectively, the negative pole of the second diode D2 respectively with the first end of the second resistance R 2, the first end of the 3rd resistance R 3, the collector of the first triode VT1 is connected with the base stage of the second triode VT2, the second end of the second capacitor C 2 is connected with the second end of the second resistance R 2, the base stage of the first triode VT1 is connected with the negative pole of the 4th diode D4, the positive pole of the 4th diode D4 is connected with the emitter of the second triode VT2 with the second end of the 4th resistance R 4 respectively, the collector of the second triode VT2 respectively with the first end of the 4th capacitor C 4, the first end of the second windings of the first end of the 5th resistance R 5 and transformer T is connected, the second end of the second windings of transformer T respectively with the second end of the 5th resistance R 5, the second end of the 4th capacitor C 4, the second end of the 3rd resistance R 3, the second end of the 3rd capacitor C 3 is connected with the negative pole of the 3rd diode D3, the positive pole of the 3rd diode D3 is inputted the second end with voltage and is connected, the first end of transformer T the second winding respectively with the first end of the 5th capacitor C 5, the negative pole of LED is connected with Voltage-output first end, the second end of transformer T the second winding is connected with the positive pole of the 5th diode D5, the negative pole of the 5th diode D5 respectively with the second end of the 5th capacitor C 5, the first end of the 6th resistance R 6 is connected with Voltage-output the second end, the second end of the 6th resistance R 6 is connected with the positive pole of LED.
Claims (1)
1. a power circuit for computer, it is characterized in that: comprise fuse, the first resistance to the six resistance, the first electric capacity to the five electric capacity, the first diode to the five diodes, the first triode, the second triode, light emitting diode and transformer, voltage input first end is connected with the first end of described fuse, the second end of described fuse is connected with the first end of described the 3rd electric capacity with the first end of described the first resistance respectively, the second end of described the first resistance respectively with the first end of described the first electric capacity, the transmitting collection of described the first triode, the first end of the first windings of the first end of described the 4th resistance and described transformer is connected, the second end of described the first electric capacity is connected with the positive pole of described the second diode with the positive pole of described the first diode respectively, the negative pole of described the first diode is connected with the second end of the first windings of the first end of described the second electric capacity and described transformer respectively, the negative pole of described the second diode respectively with the first end of described the second resistance, the first end of described the 3rd resistance, the collector of described the first triode is connected with the base stage of described the second triode, the second end of described the second electric capacity is connected with the second end of described the second resistance, the base stage of described the first triode is connected with the negative pole of described the 4th diode, the positive pole of described the 4th diode is connected with the emitter of described the second triode with the second end of described the 4th resistance respectively, the collector of described the second triode respectively with the first end of described the 4th electric capacity, the second winding first ends of the first end of described the 5th resistance and described transformer are connected, the second end of the second windings of described transformer respectively with the second end of described the 5th resistance, the second end of described the 4th electric capacity, the second end of described the 3rd resistance, the second end of described the 3rd electric capacity is connected with the negative pole of described the 3rd diode, the positive pole of described the 3rd diode is inputted the second end with voltage and is connected, the first end of described transformer secondary winding respectively with the first end of described the 5th electric capacity, the negative pole of described light emitting diode is connected with Voltage-output first end, the second end of described transformer secondary winding is connected with the positive pole of described the 5th diode, the negative pole of described the 5th diode respectively with the second end of described the 5th electric capacity, the first end of described the 6th resistance is connected with Voltage-output the second end, the second end of described the 6th resistance is connected with the positive pole of described light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657560.5U CN203502906U (en) | 2013-10-24 | 2013-10-24 | Computer power circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320657560.5U CN203502906U (en) | 2013-10-24 | 2013-10-24 | Computer power circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203502906U true CN203502906U (en) | 2014-03-26 |
Family
ID=50333869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320657560.5U Expired - Fee Related CN203502906U (en) | 2013-10-24 | 2013-10-24 | Computer power circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203502906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110956794A (en) * | 2019-11-11 | 2020-04-03 | 广州华清环境监测有限公司 | Noise detection processing system |
-
2013
- 2013-10-24 CN CN201320657560.5U patent/CN203502906U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110956794A (en) * | 2019-11-11 | 2020-04-03 | 广州华清环境监测有限公司 | Noise detection processing system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141024 |
|
| EXPY | Termination of patent right or utility model |