CN205003616U - Three voltage -multiplying DC power supply circuit for computer - Google Patents
Three voltage -multiplying DC power supply circuit for computer Download PDFInfo
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- CN205003616U CN205003616U CN201520760782.9U CN201520760782U CN205003616U CN 205003616 U CN205003616 U CN 205003616U CN 201520760782 U CN201520760782 U CN 201520760782U CN 205003616 U CN205003616 U CN 205003616U
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Abstract
The utility model discloses a three voltage -multiplying DC power supply circuit for computer, including time base chip U1, resistance R1, electric capacity C1, diode VD1 and diode VD2, the resistance R1 one end VCC that connects respectively, the time base chip U1 pin 4, time base chip U1 pin 8 is anodal with diode VD1, the resistance R1 other end is connecting resistance R2 and time base chip U1 pin 7 respectively, time base chip U1 pin 2 is connected respectively to the resistance R2 other end, time base chip U1 pin 6 and electric capacity C1, electric capacity C2 is connected to time base chip U1 pin 5, anodal and the electric capacity C3 of diode VD2 is connected respectively to diode VD1 negative pole, it is anodal that diode VD3 is connected respectively to diode VD2 negative pole, electric capacity C5, the electric capacity C3 other end, time base chip U1 pin 3 and electric capacity C4. The utility model discloses three voltage -multiplying DC power supply circuit for computer can be the 5V voltage 15V that steps up of input, supplies the inside various chips of computer to use, and circuit structure is simple, does not use the transformer component, and circuit structure is simple, and is small.
Description
Technical field
The utility model relates to a kind of DC power supply circuit, specifically a kind of computing machine three multiplication of voltage DC power supply circuit.
Background technology
There is various direct-current power supply converting circuit in computer-internal, but transformer has all been used in a lot of supply voltage conversion, and its volume is comparatively large, and energy consumption is higher, and cause the volume of computing machine comparatively large, the miniaturization for computing machine has very large obstruction.
Utility model content
The purpose of this utility model is to provide a kind of computing machine three multiplication of voltage DC power supply circuit, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of computing machine three multiplication of voltage DC power supply circuit, base chip U1 when comprising, resistance R1, electric capacity C1, diode VD1 and diode VD2, described resistance R1 one end connects power supply VCC respectively, time base chip U1 pin 4, time base chip U1 pin 8 and diode VD1 positive pole, the resistance R1 other end is base chip U1 pin 2 when contact resistance R2 and Shi Ji chip U1 pin 7, the resistance R2 other end connect respectively respectively, time base chip U1 pin 6 and electric capacity C1, time base chip U1 pin 5 connect electric capacity C2, diode VD1 negative pole connects diode VD2 positive pole and electric capacity C3 respectively, and diode VD2 negative pole connects diode VD3 positive pole respectively, electric capacity C5, the electric capacity C3 other end, time base chip U1 pin 3 and electric capacity C4, diode VD3 negative pole connect the electric capacity C5 other end and diode VD4 positive pole respectively, diode VD4 negative pole connects output end vo and electric capacity C6 respectively, and the electric capacity C6 other end connects the electric capacity C4 other end respectively, the electric capacity C2 other end, time base chip U1 the pin 1 and electric capacity C1 other end ground connection.
As further program of the utility model: time described, base chip U1 is NE555.
As the utility model further scheme: described power supply VCC voltage is 5V.
Compared with prior art, the beneficial effects of the utility model are: the utility model computing machine three multiplication of voltage DC power supply circuit can be named the 5V boost in voltage of input to 15V, for the various chip of computer-internal, circuit structure is simple, do not use transformer element, circuit structure is simple, and volume is little.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of computing machine by three multiplication of voltage DC power supply circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, a kind of computing machine three multiplication of voltage DC power supply circuit, base chip U1 when comprising, resistance R1, electric capacity C1, diode VD1 and diode VD2, resistance R1 one end connects power supply VCC respectively, time base chip U1 pin 4, time base chip U1 pin 8 and diode VD1 positive pole, the resistance R1 other end is base chip U1 pin 2 when contact resistance R2 and Shi Ji chip U1 pin 7, the resistance R2 other end connect respectively respectively, time base chip U1 pin 6 and electric capacity C1, time base chip U1 pin 5 connect electric capacity C2, diode VD1 negative pole connects diode VD2 positive pole and electric capacity C3 respectively, and diode VD2 negative pole connects diode VD3 positive pole respectively, electric capacity C5, the electric capacity C3 other end, time base chip U1 pin 3 and electric capacity C4, diode VD3 negative pole connect the electric capacity C5 other end and diode VD4 positive pole respectively, diode VD4 negative pole connects output end vo and electric capacity C6 respectively, and the electric capacity C6 other end connects the electric capacity C4 other end respectively, the electric capacity C2 other end, time base chip U1 the pin 1 and electric capacity C1 other end ground connection.
Time base chip U1 be NE555.
Power supply VCC voltage is 5V.
Principle of work of the present utility model is: refer to Fig. 1, the composition such as NE555 and R1, R2, C1 is without stable state many thanks oscillator, the frequency exporting pulse is: f=1.44/(R1+2R2) C1, oscillation frequency is about 1kHz, VD1 ~ VD4 and C3 ~ C6 forms voltage tripler rectifier, it carries out rectification to the pulse signal that 555 export, and when 3 pin output low level, power supply source charges to C3; And when 3 pin are high level, namely the output voltage V1 of 3 pin is power supply VCC voltage, make electric charge that C3 has stored therewith voltage V1 superpose, through VD2, C4 is charged again, make the terminal voltage of C4 reach 2 times of VCC, along with NE555 exports the change of pulse, in succession C5, C6 are charged, therefore output voltage Vo can be made to reach 3 times of about VCC, and can up to 15V, load current is not less than 8mA.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (3)
1. computing machine three multiplication of voltage DC power supply circuit, base chip U1 when comprising, resistance R1, electric capacity C1, diode VD1 and diode VD2, is characterized in that, described resistance R1 one end connects power supply VCC respectively, time base chip U1 pin 4, time base chip U1 pin 8 and diode VD1 positive pole, the resistance R1 other end is base chip U1 pin 2 when contact resistance R2 and Shi Ji chip U1 pin 7, the resistance R2 other end connect respectively respectively, time base chip U1 pin 6 and electric capacity C1, time base chip U1 pin 5 connect electric capacity C2, diode VD1 negative pole connects diode VD2 positive pole and electric capacity C3 respectively, and diode VD2 negative pole connects diode VD3 positive pole respectively, electric capacity C5, the electric capacity C3 other end, time base chip U1 pin 3 and electric capacity C4, diode VD3 negative pole connect the electric capacity C5 other end and diode VD4 positive pole respectively, diode VD4 negative pole connects output end vo and electric capacity C6 respectively, and the electric capacity C6 other end connects the electric capacity C4 other end respectively, the electric capacity C2 other end, time base chip U1 the pin 1 and electric capacity C1 other end ground connection.
2. computing machine according to claim 1 three multiplication of voltage DC power supply circuit, is characterized in that, time described, base chip U1 is NE555.
3. computing machine according to claim 1 three multiplication of voltage DC power supply circuit, is characterized in that, described power supply VCC voltage is 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520760782.9U CN205003616U (en) | 2015-09-29 | 2015-09-29 | Three voltage -multiplying DC power supply circuit for computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520760782.9U CN205003616U (en) | 2015-09-29 | 2015-09-29 | Three voltage -multiplying DC power supply circuit for computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205003616U true CN205003616U (en) | 2016-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520760782.9U Expired - Fee Related CN205003616U (en) | 2015-09-29 | 2015-09-29 | Three voltage -multiplying DC power supply circuit for computer |
Country Status (1)
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| CN (1) | CN205003616U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374760A (en) * | 2016-10-26 | 2017-02-01 | 重庆顺泽环保科技有限公司 | Booster circuit used for water purification device and designed by adopting three-terminal voltage stabilizer |
| CN106452062A (en) * | 2016-10-26 | 2017-02-22 | 重庆顺泽环保科技有限公司 | Boosted circuit applied to water purifying device |
| CN108631585A (en) * | 2016-07-21 | 2018-10-09 | 泉州有刺电子商务有限责任公司 | Time base circuit voltage multiplying rectifier power supply |
-
2015
- 2015-09-29 CN CN201520760782.9U patent/CN205003616U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631585A (en) * | 2016-07-21 | 2018-10-09 | 泉州有刺电子商务有限责任公司 | Time base circuit voltage multiplying rectifier power supply |
| CN106374760A (en) * | 2016-10-26 | 2017-02-01 | 重庆顺泽环保科技有限公司 | Booster circuit used for water purification device and designed by adopting three-terminal voltage stabilizer |
| CN106452062A (en) * | 2016-10-26 | 2017-02-22 | 重庆顺泽环保科技有限公司 | Boosted circuit applied to water purifying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20160929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |