CN203102150U - Power supply device enabling computer to go on operating after power failure - Google Patents
Power supply device enabling computer to go on operating after power failure Download PDFInfo
- Publication number
- CN203102150U CN203102150U CN 201320068485 CN201320068485U CN203102150U CN 203102150 U CN203102150 U CN 203102150U CN 201320068485 CN201320068485 CN 201320068485 CN 201320068485 U CN201320068485 U CN 201320068485U CN 203102150 U CN203102150 U CN 203102150U
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- circuit
- computer
- input end
- power supply
- operating
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Abstract
The utility model discloses a power supply device enabling a computer to go on operating after power failure. The power supply device enabling the computer to go on operating after the power failure comprises a rectifying circuit, a charging circuit, a storage battery, a DC-DC circuit, an adaptive circuit and a control circuit, wherein the input end of an alternating current Ac is connected to the input end of the rectifying circuit, and the output end of the rectifying circuit is connected to the input end of the charging circuit. The output end of the charging circuit is provided with branches, wherein one branch is respectively connected with the storage battery and the input end of the DC-DC circuit through wires, and the other branch is connected with the input end of the adaptive circuit. The output end of the DC-DC circuit is connected with an electricity-usage circuit of a main board arranged in the computer, and the output end of the adaptive circuit is connected with the power supply input end of external equipment of the computer. According to the power supply device enabling the computer to go on operating after the power failure, the storage battery is used for supplying power to internal circuits of the computer directly through the DC-DC circuit. Therefore, the power supply device enabling the computer to go on operating after the power failure guarantees that the computer can go on operating after the alternating current is interrupted and solves the problem that an uninterruptable power supply used in an existing computer system is high in price, complicated in circuit, high in failure rate and the like.
Description
Technical field
The utility model belongs to computer power supply device technique field, relates to a kind of electric supply installation that can guarantee computing machine continuation operate as normal when alternating current breaks down, is specifically related to the electric supply installation that a kind of back computing machine that cuts off the power supply can work on.
Background technology
The high-quality computer power supply device of prior art is adjunction between alternating current and computing machine " uninterrupted power source ".Its entire work process is sent alternating current earlier in " uninterrupted power source " exactly, through the rectification circuit rectification, charges a battery through charging circuit, becomes accurate alternating current to send the dc inverter of accumulator through inverter circuit again, gives computer power supply.When alternating current interrupts for some reason, provide inverter circuit required electric energy by the accumulator in " uninterrupted power source ", continue the accurate alternating current of output, to keep the operate as normal of computing machine.But in fact, what the computer-internal circuit used is low-voltage DC, " Switching Power Supply " in the computing machine must be transformed into the accurate alternating current of alternating current or " uninterrupted power source " low-voltage DC and supply with the interlock circuit use, therefore, computer system and do not require that extraneous power supply must be an alternating current.At last need from computing machine, dc inverter with accumulator in comprising the whole power supply exchange process of " uninterrupted power source " is that this step of alternating current is optional, and this a part of technical requirement is the highest just, circuit is the most complicated, cost is the highest, failure rate is the highest.But, " uninterrupted power source " is common apparatus, not only is used for computing machine, and its technical requirement is very extensive, very strict, except voltage, frequency, waveform will also require the phase place of output AC electricity to want strict synchronous with civil power in strict conformity with ac voltage standard.This common apparatus is exclusively used in computer power supply, from the angle of computing machine electricity consumption, requires too much, how high, link is too much, and the cost height is unreasonable.
Summary of the invention
The purpose of this utility model is to use " uninterrupted power source " to have problems such as price height, circuit complexity, failure rate height in order to solve the prior art computer system, the electric supply installation that provides a kind of back computing machine that cuts off the power supply to work on.
The scheme that its technical matters that solves the utility model adopts is: it comprises rectification circuit, charging circuit, accumulator, DC-DC circuit, adapter circuit and control circuit; Its main points are: alternating current Ac input end is connected to rectification circuit input end, the output terminal of rectification circuit is connected to the input end of charging circuit, the output terminal of charging circuit is provided with branch road, article one, branch road is connected with the input end of accumulator with the DC-DC circuit respectively by lead, and another branch road is connected with the input end of adapter circuit; The output terminal of DC-DC circuit is connected with motherboard power circuit in the computing machine; The output terminal of adapter circuit links to each other with the computer peripheral power input.
Adapter circuit output standby power supply is in order to also not possessing the computer peripheral that uses the low-voltage DC condition, as uses such as display, printers.When alternating current interrupted, accumulator transferred power supply state to by charged state at once, continued operate as normal to guarantee computing machine.
The beneficial effects of the utility model are: because cancelled inversion part, be the computer-internal circuit supply directly with accumulator through the DC-DC circuit, therefore except guarantee computing machine in alternating current, have no progeny can work on, also have following advantage:
1, the output voltage stabilization of accumulator, pure is the direct supply of high-quality; Directly to the DC-DC circuit supply, the P/C of its power supply quality is than being better than having " uninterrupted power source " of turning traitor the device circuit by it;
2, avoided the loss of " uninterrupted power source " inverter circuit, made the accumulator of same capacity when the same load of carrying, can have the longer support time than " uninterrupted power source ";
3, eliminate the audio noise that " uninterrupted power source " inversion partly produces, improved computer user's working environment;
4, fundamentally eliminated the fault that partly produces by the complicated inversion of uninterrupted power source, reduced because of power issue to the harmful effect that computer system causes, help improving the reliability of computer working;
The utility model has solved the prior art computer system and has used " uninterrupted power source " to have price height, circuit complexity, failure rate high-technology problem.
Description of drawings
Accompanying drawing is the utility model circuit theory diagrams.
A is the outer part of machine among the figure; B is a part in the machine.
Among the figure 1, rectification circuit; 2, accumulator; 3, charging circuit; 4, control circuit; 5, adapter circuit; 6, DC-DC circuit.
Symbol implication among the figure:
Ac: alternating current; Vc: one group of direct current supplying with the computer-internal interlock circuit; Vp: standby alternating current, give temporarily also not possess the computer peripheral use of using the direct current condition, for example display, printer etc.;
In the process of the utility model from Ac to Vc, inversion part of the prior art and secondary rectification, step-down part have been eliminated in rectification for once, step-down.
Embodiment
With reference to accompanying drawing, whole circuit of the present utility model include outside the computing machine machine and among the part A, export one group of direct current Vc part B in cable is sent into machine at last; Part is supplied with motherboard and the use of each circuit only as deconcentrator with direct current Vc in the machine; The outer part of machine also export standby power supply Vp supply and demand will the time use.The utility model comprises rectification circuit 1, charging circuit 3, accumulator 2, DC-DC circuit 6, adapter circuit 5 and control circuit 4; Alternating current Ac input end is connected to rectification circuit 1 input end, the output terminal of rectification circuit 1 is connected to the input end of charging circuit 3, the output terminal of charging circuit 3 is provided with branch road, article one, branch road is connected with the input end of accumulator 2 with DC-DC circuit 6 respectively by lead, and another branch road is connected with the input end of adapter circuit 5; The output terminal of DC-DC circuit 6 is connected with motherboard power circuit in the computing machine; The output terminal of adapter circuit 5 links to each other with the computer peripheral power input.
The DC-DC circuit is the physical representation symbol of DC/DC conversion circuit.
Claims (1)
1. back computing machine electric supply installation that can work on that cuts off the power supply, it comprises rectification circuit, charging circuit, accumulator, DC-DC circuit, adapter circuit and control circuit; It is characterized in that: alternating current Ac input end is connected to rectification circuit input end, the output terminal of rectification circuit is connected to the input end of charging circuit, the output terminal of charging circuit is provided with branch road, article one, branch road is connected with the input end of accumulator with the DC-DC circuit respectively by lead, and another branch road is connected with the input end of adapter circuit; The output terminal of DC-DC circuit is connected with motherboard power circuit in the computing machine; The output terminal of adapter circuit links to each other with the computer peripheral power input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068485 CN203102150U (en) | 2013-01-29 | 2013-01-29 | Power supply device enabling computer to go on operating after power failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320068485 CN203102150U (en) | 2013-01-29 | 2013-01-29 | Power supply device enabling computer to go on operating after power failure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203102150U true CN203102150U (en) | 2013-07-31 |
Family
ID=48853534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320068485 Expired - Fee Related CN203102150U (en) | 2013-01-29 | 2013-01-29 | Power supply device enabling computer to go on operating after power failure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203102150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839578A (en) * | 2018-05-07 | 2019-06-04 | 广东电网有限责任公司 | A kind of portable insulating rod insulation performance test instrument |
-
2013
- 2013-01-29 CN CN 201320068485 patent/CN203102150U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839578A (en) * | 2018-05-07 | 2019-06-04 | 广东电网有限责任公司 | A kind of portable insulating rod insulation performance test instrument |
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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: 20130731 Termination date: 20160129 |
|
| EXPY | Termination of patent right or utility model |