CN203133742U - Power relaying device for computer in emergency - Google Patents
Power relaying device for computer in emergency Download PDFInfo
- Publication number
- CN203133742U CN203133742U CN 201320161913 CN201320161913U CN203133742U CN 203133742 U CN203133742 U CN 203133742U CN 201320161913 CN201320161913 CN 201320161913 CN 201320161913 U CN201320161913 U CN 201320161913U CN 203133742 U CN203133742 U CN 203133742U
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Abstract
The utility model relates to a power relaying device for a computer in an emergency and belongs to the computer field. The device aims to solve the problem that files prior desktop computers in case of de-energization and comprises a 220-V alternating-current power supply, a transformer, a filter circuit, a rectifying circuit and a direct-current output circuit and further comprises a charging circuit, a storage battery and a monitoring switching circuit. An output end of the 220-V alternating-current power supply is connected with a primary side of the transformer, a secondary side of the transformer is connected with an input end of the filter circuit, an output end of the filter circuit is connected with an alternating-current input end of the rectifying circuit, a direct-current output end of the rectifying circuit is connected with an input end of the direct-current output circuit, and the direct-current output circuit provides a working power supply for the computer. The 220-V alternating-current power supply charges the storage battery through the charging circuit, an alternating-current power supply monitoring signal output end of the 220-V alternating-current power supply is connected with an alternating-current power supply monitoring signal input end of the monitoring switching circuit, and a storage battery starting instruction output end of the monitoring switching circuit is connected with an enable end of the storage battery.
Description
Technical field
The utility model relates to the emergency circumstance with the continuous electric installation of computing machine, belongs to computer realm.
Background technology
As everyone knows, the computing machine computer represents at present in two ways to people, for user's operation.It is respectively: desk-top and notebook type.Its relative merits are: it is easy that desktop computer is installed the replacing accessory, good operability, but poor mobility, carrying trouble; Notebook type interior fittings integrated level height, small and exquisite, movability good, but performance is not good.
Desk-top and notebook type also exists a great difference and is: notebook type generally all is equipped with accumulator.This accumulator has two effects usually: one: when outdoor application, power, its two: when indoor use, cut off the power supply suddenly, because backup battery is arranged, so the file of work is not lost because of outage.
Summary of the invention
The utility model purpose is in order to solve the problem that existing desktop computer outage file is easily lost, to provide a kind of emergency circumstance to continue electric installation with computing machine.
The emergency circumstance described in the utility model continues electric installation with computing machine, it comprises 220V AC power, transformer, filtering circuit, rectification circuit and dc output circuit, the output terminal of 220V AC power links to each other with the former limit of transformer, the secondary of transformer links to each other with the input end of filtering circuit, the output terminal of filtering circuit links to each other with the ac input end of rectification circuit, the dc output end of rectification circuit links to each other with the input end of dc output circuit, and dc output circuit provides working power for computing machine;
The emergency circumstance also comprises charging circuit, battery pack and monitoring commutation circuit with the continuous electric installation of computing machine, and the 220V AC power is battery charging by charging circuit; The AC power monitor signal output terminal of 220V AC power links to each other with the AC power monitor signal input end of monitoring commutation circuit, and the accumulator enabled instruction output terminal of monitoring commutation circuit links to each other with the Enable Pin of battery pack.
Can further include the shunt capacitance group, the charge-discharge end of shunt capacitance group links to each other with the capacitor charge and discharge end of dc output circuit, and the shunt capacitance group is composed in parallel by a plurality of electric capacity.
Advantage of the present utility model: the utility model is simple in structure, at desktop computer the battery pack of low capacity is housed, and can't increase too many cost, and under situation about having a power failure, people can preserve file if having time, do not lose file and significant data.
Further be provided with the shunt capacitance group, when normal alternating current is given computer power supply, alternating current charges to the shunt capacitance group simultaneously, when power-off condition takes place, the shunt capacitance group takes the lead in to computer power supply, what be swift in motion provides uninterrupted power source to computing machine, and it is to be connected AC power and two kinds of power supply modes of accumulator, can be because of the impact that causes in the mistiming of switching the battery pack generation computing machine.
Description of drawings
Fig. 1 is the emergency circumstance described in the utility model continues electric installation with computing machine theory diagram.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, the described emergency circumstance of present embodiment continues electric installation with computing machine, it comprises 220V AC power 1, transformer 2, filtering circuit 3, rectification circuit 4 and dc output circuit 5, the output terminal of 220V AC power 1 links to each other with the former limit of transformer 2, the secondary of transformer 2 links to each other with the input end of filtering circuit 3, the output terminal of filtering circuit 3 links to each other with the ac input end of rectification circuit 4, the dc output end of rectification circuit 4 links to each other with the input end of dc output circuit 5, and dc output circuit 5 provides working power for computing machine;
The emergency circumstance also comprises charging circuit 6, battery pack 7 and monitoring commutation circuit 8 with the continuous electric installation of computing machine, and 220V AC power 1 is battery pack 7 chargings by charging circuit 6; The AC power monitor signal output terminal of 220V AC power 1 links to each other with the AC power monitor signal input end of monitoring commutation circuit 8, and the accumulator enabled instruction output terminal of monitoring commutation circuit 8 links to each other with the Enable Pin of battery pack 7.
The supply line of normal power supply is 220V AC power 1, transformer 2, filtering circuit 3, rectification circuit 4 and dc output circuit 5, this is conventional power supply, for computing machine under the situation that makes power failure also has power supply, therefore, be provided with charging circuit 6, battery pack 7 and monitoring commutation circuit 8, when monitoring commutation circuit 8 monitors when not having ac signal, output enable signal accumulators group 7 allows it give computer power supply.
Embodiment two: present embodiment is described further embodiment one, and it also comprises shunt capacitance group 9, and the charge-discharge end of shunt capacitance group 9 links to each other with the capacitor charge and discharge end of dc output circuit 5, and shunt capacitance group 9 is composed in parallel by a plurality of electric capacity.
Further be provided with shunt capacitance group 9, when normal alternating current is given computer power supply, alternating current is simultaneously to 9 chargings of shunt capacitance group, when power-off condition takes place, shunt capacitance group 9 takes the lead in to computer power supply, what be swift in motion provides uninterrupted power source to computing machine, and it is to be connected two kinds of power supply modes of AC and DC, can be because of the impact that causes in the mistiming of switching battery pack 7 generations computing machine.
Claims (2)
1. the emergency circumstance continues electric installation with computing machine, it comprises 220V AC power (1), transformer (2), filtering circuit (3), rectification circuit (4) and dc output circuit (5), the output terminal of 220V AC power (1) links to each other with the former limit of transformer (2), the secondary of transformer (2) links to each other with the input end of filtering circuit (3), the output terminal of filtering circuit (3) links to each other with the ac input end of rectification circuit (4), the dc output end of rectification circuit (4) links to each other with the input end of dc output circuit (5), and dc output circuit (5) provides working power for computing machine;
It is characterized in that the emergency circumstance also comprises charging circuit (6), battery pack (7) and monitoring commutation circuit (8) with the continuous electric installation of computing machine, 220V AC power (1) is battery pack (7) charging by charging circuit (6); The AC power monitor signal output terminal of 220V AC power (1) links to each other with the AC power monitor signal input end of monitoring commutation circuit (8), and the accumulator enabled instruction output terminal of monitoring commutation circuit (8) links to each other with the Enable Pin of battery pack (7).
2. continue electric installation according to the described emergency circumstance of claim 1 with computing machine, it is characterized in that, it also comprises shunt capacitance group (9), and the charge-discharge end of shunt capacitance group (9) links to each other with the capacitor charge and discharge end of dc output circuit (5), and shunt capacitance group (9) is composed in parallel by a plurality of electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161913 CN203133742U (en) | 2013-04-03 | 2013-04-03 | Power relaying device for computer in emergency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320161913 CN203133742U (en) | 2013-04-03 | 2013-04-03 | Power relaying device for computer in emergency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203133742U true CN203133742U (en) | 2013-08-14 |
Family
ID=48941709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320161913 Expired - Fee Related CN203133742U (en) | 2013-04-03 | 2013-04-03 | Power relaying device for computer in emergency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203133742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867573A (en) * | 2016-03-31 | 2016-08-17 | 华为技术有限公司 | Backup power circuit and electric equipment |
-
2013
- 2013-04-03 CN CN 201320161913 patent/CN203133742U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105867573A (en) * | 2016-03-31 | 2016-08-17 | 华为技术有限公司 | Backup power circuit and electric equipment |
| US10706942B2 (en) | 2016-03-31 | 2020-07-07 | Huawei Technologies Co., Ltd. | Backup power circuit and electrical device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140403 |