CN101403940A - Intelligent computer uninterruptable power supply system - Google Patents
Intelligent computer uninterruptable power supply system Download PDFInfo
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- CN101403940A CN101403940A CNA2008102189050A CN200810218905A CN101403940A CN 101403940 A CN101403940 A CN 101403940A CN A2008102189050 A CNA2008102189050 A CN A2008102189050A CN 200810218905 A CN200810218905 A CN 200810218905A CN 101403940 A CN101403940 A CN 101403940A
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Abstract
The invention relates to an uninterrupted power supply system for a power source of an intelligentized computer. The system comprises a high-low voltage conversion filter circuit, a power-down signal observation circuit, a 12V storage battery, a battery switching circuit and a DC/DC converting circuit; wherein, when the commercial power is suddenly cut off, the battery switching circuit is started after the power-down signal observation circuit observes the power-down signal of the commercial power, so as to cause the 12V storage battery to directly output 12V direct voltage for the computer, meanwhile, the 12V direct voltage is still converted into the direct voltage which is needed by other groups of the computer by the DC/DC converting circuit; therefore, in the invention, when the commercial power is abnormal, the 12V storage battery can supply power without using an inversion circuit but in a way that only the 12V storage battery is directly switched to the low voltage DC output terminal of the power source of the computer; the efficient DC/DC converting circuit technology is adopted, therefore, the converting efficiency can be over 90%, the circuit structure is effectively simplified, the consumption in the inversion process is reduced, meanwhile, the overall working efficiency of the power source of the computer is improved and the cost is lower.
Description
Technical field
The present invention relates to the computer power supply field, refer in particular to a kind of intelligent computer uninterruptable power supply system.
Background technology
Along with computing machine science and technology is advanced by leaps and bounds, the development of computer power supply uninterrupted power supply is imperative, otherwise when the civil power sudden power, tend to cause the computer data that is moving to lose, user's positive service data after tense working in the twinkling of an eye is thrown into the eastward flowing stream, annoyance very much, sometimes even cause computer system paralysis, hard disk storage devices is damaged, so, make the computer user worry constantly also that in work, amusement process the outage situation takes place, and brings puzzlement to use.
Computer power supply uninterrupted power supply pattern can be with reference to disclosed " ATX power supply that contains the UPS function " of Chinese CN 2572644Y patent documentation and Chinese CN 101114188A disclosed " computer intelligence power-supply system and computer circuit breaking intelligent processing method " at present, wherein under civil power outage situation, all be to provide electric energy for computing machine by increasing accumulator, yet common practices is the direct current that adopts inversion transformation technique that the electric energy of the accumulator of low pressure is converted to the alternating current of high pressure or high pressure is connected to the input end of power circuit, provides electric energy with the direct current that the electric energy of high pressure is converted to low pressure again for computer by power circuit; As shown in Figure 1, when at the civil power normal power supply, go out+12V by high-low pressure translation circuit (organizing conversion) Direct Transform more, + 5V, + 5VSB, + 3.3V and-12V voltage offers the needed DC voltage of respectively organizing of computing machine, when when civil power cuts off the power supply, accumulator handles for high-low pressure translation circuit (organizing conversion) after by the inverter circuit inversion more again, change the circuit conversion through the high-low pressure power transformation then and go out the needed DC voltage of respectively organizing of computing machine, can there be loss in this kind method in the inversion process, make conversion efficiency low, the defective of complex structure and cost of development height is unfavorable for marketing.
Summary of the invention
The present invention is directed to the existing disappearance of prior art, fundamental purpose is to provide a kind of simple in structure, efficient is high and cost is low intelligent computer uninterruptable power supply system.
For realizing above-mentioned purpose, the present invention takes following technical scheme:
A kind of intelligent computer uninterruptable power supply system is characterized in that: comprise
One high-low pressure conversion filtering circuit is to organize the 12V DC voltage with civil power conversion output list;
One power-off signal observation circuit, whether be used to monitor civil power normal;
One 12V accumulator is used for output 12V DC voltage when civil power disconnects suddenly;
One battery switching circuit, it is electrically connected with power-off signal observation circuit and 12V accumulator, and this battery switching circuit is connected with the computer power supply output terminal;
One DC/DC translation circuit is used for becoming required other of computing machine respectively to organize DC voltage the 12V dc voltage conversion that high-low pressure conversion filtering circuit or 12 accumulators are exported;
Wherein, when the civil power normal power supply, the single group of output 12V DC voltage is for the computing machine electricity consumption after high-low pressure conversion filtering circuit is handled for civil power, and this 12V DC voltage also is transformed into required other of computing machine through the DC/DC translation circuit and respectively organizes DC voltage simultaneously; When civil power disconnects suddenly, by the power-off signal monitoring circuit monitors behind the civil power power-off signal, start battery switching circuit, make the 12V accumulator directly export the 12V DC voltage for the computing machine electricity consumption, this 12V DC voltage still is transformed into required other of computing machine through the DC/DC translation circuit and respectively organizes DC voltage simultaneously.
The present invention's advantage is when civil power cuts off the power supply, the 12V storage battery power supply does not need to pass through inverter circuit, only need the 12V accumulator is directly switch to the low-voltage direct output terminal of computer power supply, the 12V DC voltage of output this moment is given computer power supply on the one hand, the 12V DC voltage goes out+5V through the DC/DC conversion on the other hand, + 3.3V, other voltage such as+5VSB is given computer power supply, so adopted DC/DC translation circuit technology efficiently, conversion efficiency is reached more than 90%, so the present invention has simplified circuit structure, reduced the loss in the inversion process, whole efficiency is improved in the time of can allowing simultaneously computer power supply work, and cost is lower.
Description of drawings
Fig. 1 is an available circuit synoptic diagram block diagram;
Fig. 2 is a schematic block circuit diagram of the present invention;
Fig. 3 is an implementation method process flow diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
See also Fig. 2, shown in Figure 3, a kind of intelligent computer uninterruptable power supply system comprises high-low pressure conversion filtering circuit 1, power-off signal observation circuit 2, battery switching circuit 3,12V accumulator 4 and DC/DC translation circuit 5, wherein:
Described high-low pressure conversion filtering circuit 1 is organized the 12V DC voltage with conversion output list after connecting civil power; So during the civil power operate as normal, supplying with 12V accumulator 4 by civil power on the one hand charges, after civil power is handled through this high-low pressure conversion filtering circuit 1 on the other hand, output 12V DC voltage directly supplies the computing machine electricity consumption, this 12V DC voltage also is transformed into required other of computing machine through the DC/DC translation circuit and respectively organizes DC voltage simultaneously, as+5V ,+3.3V ,+5VSB ,-12V etc.
Described power-off signal observation circuit 2, whether be used for monitoring described power circuit normal, this power-off signal observation circuit 2 is connected with battery switching circuit 3, this battery switching circuit 3 is to be connected with 12V accumulator 4, wherein monitor under the civil power sudden power situation at power-off signal observation circuit 2, this power-off signal observation circuit 2 starts battery switching circuit 3, directly output 12V DC voltage is for the computing machine electricity consumption to make 12V accumulator 4, and this 12V DC voltage still is transformed into required other of computing machine through DC/DC translation circuit 5 and respectively organizes DC voltage simultaneously.
Described DC/DC translation circuit 5, its technology maturation does not add at this and to give restriction.Use DC/DC translation circuit 5 among the present invention and be the 12V dc voltage conversion that is used for high-low pressure conversion filtering circuit or 12 accumulators are exported and become required other of computing machine respectively to organize DC voltage, as+5V ,+3.3V ,+5VSB ,-12V etc.
Therefore, emphasis of the present invention is when civil power cuts off the power supply, the 12V storage battery power supply does not need to pass through inverter circuit, only need the 12V accumulator is directly switch to the low-voltage direct output terminal of computer power supply, the 12V DC voltage of output this moment is given computer power supply on the one hand, go out+5V through the DC/DC conversion on the other hand, + 3.3V,-12V, other voltage such as+5VSB is given computer power supply, so adopted DC/DC translation circuit technology efficiently, conversion efficiency is reached more than 90%, so the present invention has simplified circuit structure, reduced the loss in the inversion process, whole efficiency is improved in the time of can allowing computer power supply work simultaneously, and cost is lower.
The above, it only is structure preferred embodiment of the present invention, be not that technical scope of the present invention is imposed any restrictions, so every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any trickle modification, equivalent variations and modification that above embodiment did.
Claims (1)
1, a kind of intelligent computer uninterruptable power supply system is characterized in that: comprise
One high-low pressure conversion filtering circuit is used for the DC voltage with the single group of civil power conversion output 12V;
One power-off signal observation circuit, whether be used to monitor civil power normal;
One 12V accumulator is used for output 12V DC voltage when civil power disconnects suddenly;
One battery switching circuit, it is electrically connected with power-off signal observation circuit and 12V accumulator;
One DC/DC translation circuit is used for becoming required other of computing machine respectively to organize DC voltage the 12V dc voltage conversion of high-low pressure conversion filtering circuit or the output of 12 accumulators;
Wherein, when the civil power normal power supply, the single group of output 12V DC voltage is for the computing machine electricity consumption after high-low pressure conversion filtering circuit is handled for civil power, and this 12V DC voltage also is transformed into required other of computing machine through the DC/DC translation circuit and respectively organizes DC voltage simultaneously; When civil power disconnects suddenly, by the power-off signal monitoring circuit monitors behind the civil power power-off signal, start battery switching circuit, make the 12V accumulator directly export the 12V DC voltage for the computing machine electricity consumption, this 12V DC voltage still is transformed into required other of computing machine through the DC/DC translation circuit and respectively organizes DC voltage simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102189050A CN101403940A (en) | 2008-11-05 | 2008-11-05 | Intelligent computer uninterruptable power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102189050A CN101403940A (en) | 2008-11-05 | 2008-11-05 | Intelligent computer uninterruptable power supply system |
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| CN101403940A true CN101403940A (en) | 2009-04-08 |
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| CNA2008102189050A Pending CN101403940A (en) | 2008-11-05 | 2008-11-05 | Intelligent computer uninterruptable power supply system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680556A (en) * | 2016-03-17 | 2016-06-15 | 苏州太阳都信息科技有限公司 | Dual-power-source power supply circuit for outputting multi-voltage direct current |
-
2008
- 2008-11-05 CN CNA2008102189050A patent/CN101403940A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680556A (en) * | 2016-03-17 | 2016-06-15 | 苏州太阳都信息科技有限公司 | Dual-power-source power supply circuit for outputting multi-voltage direct current |
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Open date: 20090408 |