CN205608657U - Computer emergency power supply circuit - Google Patents
Computer emergency power supply circuit Download PDFInfo
- Publication number
- CN205608657U CN205608657U CN201620392197.2U CN201620392197U CN205608657U CN 205608657 U CN205608657 U CN 205608657U CN 201620392197 U CN201620392197 U CN 201620392197U CN 205608657 U CN205608657 U CN 205608657U
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- audion
- resistance
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- colelctor electrode
- connecting triode
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Abstract
The utility model discloses a computer emergency power supply circuit, including resistance R1, potentiometre RP1, triode T1 and switch S1, switch S1's one end connecting resistance R2, resistance R9, potentiometre RP1's a stiff end, potentiometre RP2's a stiff end, triode T5's projecting pole, triode T6's projecting pole, triode T9's projecting pole, transformer W's winding N1 and transformer W's winding N2, electric capacity C1, resistance R4 and triode T1's collecting electrode is connected to resistance R1's the other end. The utility model discloses computer emergency power supply circuit simple structure, components and parts are few, use the storage battery power supply, combine a plurality of triodes to constitute inverter circuit, and nos chip control can export stable 220V alternating voltage, and the circuit still has the function of holding battery under voltage and reporting to the police, have consequently that the cost of manufacture is hanged down, convenient to use and a manifold advantage of function.
Description
Technical field
This utility model relates to a kind of computer power supply, specifically a kind of computer emergency power supply circuit.
Background technology
Along with socioeconomic development, the living standard of people improves constantly, computer has been instrument in people's life & amusement and office requisite, especially desk computer, compared to for notebook it the speed of service very fast, good heat dissipation, stable performance, therefore suffer from liking of office personage, most desk computer is directly connected to line voltage, inside does not has energy-storage travelling wave tube, cannot work on when therefore running into civil power power-off, owing to it uses 220V alternating voltage to power, the most common accumulator also cannot be for it, it is complicated that minority realizes the most structure of battery-driven equipment by inverter, cost is high, popularity rate is the lowest, and internal battery easily produces overdischarge phenomenon.
Utility model content
The purpose of this utility model is to provide a kind of computer emergency power supply circuit, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
nullA kind of computer emergency power supply circuit，Including resistance R1、Potentiometer RP1、Audion T1 and switch S1，One end of described switch S1 connects resistance R2、Resistance R9、The fixing end of of potentiometer RP1、The fixing end of of potentiometer RP2、The emitter stage of audion T5，The emitter stage of audion T6、The emitter stage of audion T9、The winding N2 of the winding N1 and transformator W of transformator W，The other end of resistance R1 connects electric capacity C1、Resistance R4 and the colelctor electrode of audion T1，The other end of switch S1 connects the positive pole of accumulator E，The negative pole of accumulator E connects the negative electrode of diode D2、The emitter stage of audion T1、The emitter stage of audion T2、The emitter stage of audion T7 and audion and the emitter stage of audion T8 ground connection，The other end of resistance R9 connects the negative electrode of diode D1，The base stage of the anode connecting triode T9 of diode D1，The colelctor electrode of audion T9 connects resistance R10，The other end of resistance R10 connects the anode of diode D2，The other end of electric capacity C1 connects the sliding end of potentiometer RP2、Another fixing end and base stage of audion T2 of potentiometer RP2，The base stage of audion T1 connects electric capacity C2、The sliding end of potentiometer RP1 and another fixing end of potentiometer RP1，The other end of electric capacity C2 connects the other end of resistance R2、Resistance R3 and the colelctor electrode of audion T2，The base stage of the other end connecting triode T3 of resistance R3，The base stage of the emitter stage connecting triode T5 of audion T3，The colelctor electrode of the colelctor electrode connecting triode T3 of audion T5 and resistance R7，The base stage of the other end connecting triode T7 of resistance R7，The other end of the winding N1 of the colelctor electrode connection transformer W of audion T7，The base stage of the other end connecting triode T4 of resistance R4，The base stage of the emitter stage connecting triode T6 of audion T4，The colelctor electrode of the colelctor electrode connecting triode T4 of audion T6 and resistance R8，The base stage of the other end connecting triode T8 of resistance R8，The other end of the winding N2 of the colelctor electrode connection transformer W of audion T8，The two ends output 220V alternating current of the winding N3 of transformator W.
As preferred version of the present utility model: described diode D2 is red light-emitting diode.
As preferred version of the present utility model: the rated voltage of described accumulator E is 12V.
Compared with prior art, the beneficial effects of the utility model are: this utility model computer emergency power supply circuit structure is simple, components and parts are few, use storage battery power supply, inverter circuit is formed in conjunction with multiple audions, chipless controls, can export stable 220V alternating voltage, and circuit also has the function that storage battery under-voltage is reported to the police, therefore have that cost of manufacture is low, easy to use and the advantage of diverse in function.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of computer emergency power supply circuit.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
nullRefer to Fig. 1，In this utility model embodiment，A kind of computer emergency power supply circuit，Including resistance R1、Potentiometer RP1、Audion T1 and switch S1，One end of described switch S1 connects resistance R2、Resistance R9、The fixing end of of potentiometer RP1、The fixing end of of potentiometer RP2、The emitter stage of audion T5，The emitter stage of audion T6、The emitter stage of audion T9、The winding N2 of the winding N1 and transformator W of transformator W，The other end of resistance R1 connects electric capacity C1、Resistance R4 and the colelctor electrode of audion T1，The other end of switch S1 connects the positive pole of accumulator E，The negative pole of accumulator E connects the negative electrode of diode D2、The emitter stage of audion T1、The emitter stage of audion T2、The emitter stage of audion T7 and audion and the emitter stage of audion T8 ground connection，The other end of resistance R9 connects the negative electrode of diode D1，The base stage of the anode connecting triode T9 of diode D1，The colelctor electrode of audion T9 connects resistance R10，The other end of resistance R10 connects the anode of diode D2，The other end of electric capacity C1 connects the sliding end of potentiometer RP2、Another fixing end and base stage of audion T2 of potentiometer RP2，The base stage of audion T1 connects electric capacity C2、The sliding end of potentiometer RP1 and another fixing end of potentiometer RP1，The other end of electric capacity C2 connects the other end of resistance R2、Resistance R3 and the colelctor electrode of audion T2，The base stage of the other end connecting triode T3 of resistance R3，The base stage of the emitter stage connecting triode T5 of audion T3，The colelctor electrode of the colelctor electrode connecting triode T3 of audion T5 and resistance R7，The base stage of the other end connecting triode T7 of resistance R7，The other end of the winding N1 of the colelctor electrode connection transformer W of audion T7，The base stage of the other end connecting triode T4 of resistance R4，The base stage of the emitter stage connecting triode T6 of audion T4，The colelctor electrode of the colelctor electrode connecting triode T4 of audion T6 and resistance R8，The base stage of the other end connecting triode T8 of resistance R8，The other end of the winding N2 of the colelctor electrode connection transformer W of audion T8，The two ends output 220V alternating current of the winding N3 of transformator W.
Diode D2 is red light-emitting diode.The rated voltage of accumulator E is 12V.
Operation principle of the present utility model is: audion T1 and T2 in circuit constitutes square wave multivibrator, exports 50Hz signal.The PNP Darlington driving stage being made up of T3, T5 and T4, T6 is delivered in this complementary output by the colelctor electrode of audion T1, T2, and the amplifier stage of recommending being connected to output be made up of T7, T8 is amplified.Transformator W secondary windings N1 and N2 connects the colelctor electrode of push-pull amplifier T7, T8 through 12V 0 12V terminal, and armature winding N3 then sends 220v alternating current for small-power resistive load.During use, only need to close a switch S1, transformator W1 will send 220v alternating voltage at its primary side, computer can be supplied normally use, undervoltage warning function: in accumulator during voltage abundance, voltage is by can breakdown diode D1 after resistance R9, audion T9 base stage is made to obtain electric, therefore audion T9 is not turned on, red light-emitting diode D2 is not turned on, carrying out along with electric discharge, in accumulator, voltage declines, when dropping to under-voltage marginal value, its output voltage is not enough to breakdown diode D1, therefore audion T9 conducting, red light-emitting diode D2 turns on, people are reminded to change battery, prevent storage battery under-voltage from damaging.
Claims (3)
- null1. a computer emergency power supply circuit，Including resistance R1、Potentiometer RP1、Audion T1 and switch S1，It is characterized in that，One end of described switch S1 connects resistance R2、Resistance R9、The fixing end of of potentiometer RP1、The fixing end of of potentiometer RP2、The emitter stage of audion T5，The emitter stage of audion T6、The emitter stage of audion T9、The winding N2 of the winding N1 and transformator W of transformator W，The other end of resistance R1 connects electric capacity C1、Resistance R4 and the colelctor electrode of audion T1，The other end of switch S1 connects the positive pole of accumulator E，The negative pole of accumulator E connects the negative electrode of diode D2、The emitter stage of audion T1、The emitter stage of audion T2、The emitter stage of audion T7 and audion and the emitter stage of audion T8 ground connection，The other end of resistance R9 connects the negative electrode of diode D1，The base stage of the anode connecting triode T9 of diode D1，The colelctor electrode of audion T9 connects resistance R10，The other end of resistance R10 connects the anode of diode D2，The other end of electric capacity C1 connects the sliding end of potentiometer RP2、Another fixing end and base stage of audion T2 of potentiometer RP2，The base stage of audion T1 connects electric capacity C2、The sliding end of potentiometer RP1 and another fixing end of potentiometer RP1，The other end of electric capacity C2 connects the other end of resistance R2、Resistance R3 and the colelctor electrode of audion T2，The base stage of the other end connecting triode T3 of resistance R3，The base stage of the emitter stage connecting triode T5 of audion T3，The colelctor electrode of the colelctor electrode connecting triode T3 of audion T5 and resistance R7，The base stage of the other end connecting triode T7 of resistance R7，The other end of the winding N1 of the colelctor electrode connection transformer W of audion T7，The base stage of the other end connecting triode T4 of resistance R4，The base stage of the emitter stage connecting triode T6 of audion T4，The colelctor electrode of the colelctor electrode connecting triode T4 of audion T6 and resistance R8，The base stage of the other end connecting triode T8 of resistance R8，The other end of the winding N2 of the colelctor electrode connection transformer W of audion T8，The two ends output 220V alternating current of the winding N3 of transformator W.
- Computer emergency power supply circuit the most according to claim 1, it is characterised in that described diode D2 is red light-emitting diode.
- Computer emergency power supply circuit the most according to claim 1, it is characterised in that the rated voltage of described accumulator E is 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620392197.2U CN205608657U (en) | 2016-05-04 | 2016-05-04 | Computer emergency power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620392197.2U CN205608657U (en) | 2016-05-04 | 2016-05-04 | Computer emergency power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205608657U true CN205608657U (en) | 2016-09-28 |
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ID=56967973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620392197.2U Expired - Fee Related CN205608657U (en) | 2016-05-04 | 2016-05-04 | Computer emergency power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205608657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193940A (en) * | 2018-10-09 | 2019-01-11 | 六安腾达信息科技有限公司 | Power management information system |
-
2016
- 2016-05-04 CN CN201620392197.2U patent/CN205608657U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193940A (en) * | 2018-10-09 | 2019-01-11 | 六安腾达信息科技有限公司 | Power management information system |
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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: 20160928 Termination date: 20170504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |