CN206441113U - A kind of direct on/off circuit of direct current supply computer - Google Patents
A kind of direct on/off circuit of direct current supply computer Download PDFInfo
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- CN206441113U CN206441113U CN201621143506.9U CN201621143506U CN206441113U CN 206441113 U CN206441113 U CN 206441113U CN 201621143506 U CN201621143506 U CN 201621143506U CN 206441113 U CN206441113 U CN 206441113U
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Abstract
The utility model discloses a kind of direct on/off circuit of direct current supply computer, including CPU main control units, rechargeable battery, for detect external power source whether normal power supply and external power source and rechargeable battery are powered switching power supply supply control unit, for be connected with computer power input socket power output plug, control booting computer when DC power source adapter power supply is normal and the computer switch control unit of computer shutdown controlled in DC power source adapter dump and for the booting computer detection unit for the open and close machine state for detecting computer；When user directly cuts off computer direct current supply, it is powered by the circuit control rechargeable battery short time, and drives computer to carry out normal shutdown, causes to damage so as to avoid computer from occurring abnormal shutdown.Connect external power source in power supply adaptor, when computer direct current supply is normal, driving computer carries out normal boot-strap, so as to need to only plug and unplug power supply adaptor, computer can auto-open-close machine, be user-friendly.
Description
Technical field
The utility model is related to computer on-off control field, more particularly to a kind of by plugging and unplugging power supply adaptor come straight
Connect the direct on/off circuit of direct current supply computer of control computer on-off.
Background technology
With social development, computer applications are increasingly popularized, and with industrial large-scale application is all obtained civilian, but industry should
With because of employee quality problem, often next when, computer power supply is directly closed；Or civilian HTPC (Home
Theater Personal Computer, the PC that parlor is used), old man, child directly close or pulled out power supply and insert
Head, these abnormal shutdown behaviors all easily cause computer the phenomenons such as hard disk corruptions, loss of data occur.
Utility model content
Main purpose of the present utility model is to provide one kind and directly controls computer on-off by plugging and unplugging power supply adaptor
The direct on/off circuit of direct current supply computer, realize when user directly cuts off computer direct current supply, by circuit control electricity
The pond short time is powered, and drives computer to carry out normal shutdown, causes to damage so as to avoid computer from occurring abnormal shutdown.
The utility model proposes a kind of direct on/off circuit of direct current supply computer, it is characterised in that including CPU master control lists
Member, rechargeable battery, for detecting whether external power source normal power supply and is powered switching to external power source and rechargeable battery
Power supply supply control unit, for be connected with computer power input socket power output plug, DC power source adapter electricity
Computer normal boot-strap is controlled when source is normal and controls the computer of computer normal shutdown to open in DC power source adapter dump
Close control unit and for the booting computer detection unit for the open and close machine state for detecting computer；The booting computer detection is single
Member is connected with a USB port of computer by wire, for judging the voltage of the USB port, so as to judge that computer is to be in
Off-mode or open state；The computer switch control unit and the switching on and shutting down push-to of computer cross conductor in parallel, for
The switch switch output start or shutdown pulse of computer so that the switch switch of analogue computer is pressed, make computer Auto Power On or
Shutdown；
The power supply supply control unit is electric with the rechargeable battery and for the DC power source adapter for connecing external power source
Property connection, the power output plug and the power supply supply control unit be electrically connected with, the CPU main control units and the electricity
Source supply control unit, booting computer detection unit and computer switch control unit are electrically connected with；The power supply power supply control list
Member detects the voltage of rechargeable battery to judge whether rechargeable battery needs charging, when charged battery voltage is not enough, the CPU master
Control unit controls the rechargeable battery to be charged by external power source；It is straight described in the power supply supply control unit cycle detection
Flow power supply adaptor voltage come judge external power source whether normal power supply, in external power source normal power supply, the CPU master controls
Unit detects the on-off state of computer by the booting computer detection unit, if shutdown, the CPU main control units pass through institute
State the computer switch control unit control computer Auto Power On；In external power source power failure, the CPU main control units lead to
Cross the power supply supply control unit and switch to rechargeable battery powered, and pass through the booting computer detection unit and detect computer
On-off state, if start, the CPU main control units control computer automatic shutdown by the computer switch control unit, and
Computer is detected after off-mode in the booting computer detection unit, and the CPU main control units are opened by the computer
Close control unit control power supply and stop output to computer.
Preferably, in addition to mu balanced circuit, the mu balanced circuit is electrically connected with the power supply supply control unit, is used for
Powered after power supply voltage stabilizing to itself and computer.
The direct on/off circuit of direct current supply computer of the present utility model has the beneficial effect that：
The utility model is designed with short-duration power rechargeable battery, when user directly cuts off computer direct current supply, by
The circuit control rechargeable battery short time is powered, and drives computer to carry out normal shutdown by computer switch control unit, from
And avoid computer from occurring abnormal shutdown and cause to damage.External power source is connect in power supply adaptor, when computer direct current supply is normal, is led to
Cross computer switch control unit driving computer and carry out normal boot-strap, so that the adapter that need to only plug in, computer can be opened automatically
Machine, pulls up power supply adaptor, computer will automatic shutdown, computer as common electrical equipment equally can directly be connect electric, disconnected
Electricity is switched, and is user-friendly.
Brief description of the drawings
Fig. 1 is main control software flow chart of the present utility model.
Fig. 2 is the circuit block diagram of the direct on/off circuit of direct current supply computer of the present utility model.
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that specific embodiment described herein is not used to limit this only to explain the utility model
Utility model.
Referring to figs. 1 to Fig. 2, a kind of implementation of the direct on/off circuit of direct current supply computer of the present utility model is proposed
Example：
A kind of direct on/off circuit of direct current supply computer, including CPU main control units, rechargeable battery, for detecting outside
Power supply whether normal power supply and external power source and rechargeable battery are powered switching power supply supply control unit, for electricity
The power output plug of brain power input socket connection, mu balanced circuit, when DC power source adapter power supply is normal control computer
Normal boot-strap and the computer switch control unit and use that computer normal shutdown is controlled in DC power source adapter dump
In the booting computer detection unit of the open and close machine state of detection computer.
Power supply supply control unit is electrically connected with rechargeable battery and for the DC power source adapter for connecing external power source.Surely
Volt circuit is electrically connected with power supply supply control unit, for being powered after power supply voltage stabilizing to itself and computer.CPU main control units with
Power supply supply control unit, booting computer detection unit and computer switch control unit are electrically connected with.Booting computer detection unit
It is connected with a USB port of computer by wire, for judging the voltage of the USB port, so as to judge that computer is in pass
Machine state or open state, computer USB port under open state have 5V or so direct current electricity output, off-mode USB ends
Mouth is without voltage output.
Computer switch control unit and the switching on and shutting down push-to of computer cross conductor in parallel, for the switch switch output to computer
Start or shutdown pulse, so that the switch switch of analogue computer is pressed, make computer Auto Power On or shutdown.
Power output plug is electrically connected with power supply supply control unit.CPU main control units use single-chip microcomputer, include software
Program, coordinates unit work.Power supply supply control unit detects the voltage of rechargeable battery to judge whether rechargeable battery needs
Charge, when charged battery voltage is not enough, CPU main control units control rechargeable battery is charged by external power source, and
Full of when stop charging.
During work, whether the voltage of power supply supply control unit cycle detection DC power source adapter judges external power source
Normal power supply, in the voltage ＞ 10V of DC power source adapter, voltage is normal, judges that external power source is normally powered for computer；
During the voltage ＜ 10V of DC power source adapter, judge that external power source disconnects.
As shown in figure 1, the flow chart to set software in CPU main control units.In external power source normal power supply, CPU master controls
Unit detects the on-off state of computer by booting computer detection unit, and whether the computer USB port of detection connection has 5V electricity
Press (＞ 4.5V), if there is no 5V voltages (＞ 4.5V), judge that computer is in off-mode, CPU main control units are opened by computer
Close control unit control computer Auto Power On：Computer switch control unit exports 0.5S power-on pulse, analogue computer electricity
Source switch is pressed, and makes booting computer.So as to which when ensureing that DC power source adapter power supply is normal, computer can be in open state.One
Secondary power-on pulse exports a 0.5S power-on pulse again without that can start computer, delay after 1 second, until computer normally starts
Untill afterwards.
In external power source power failure, CPU main control units switch to rechargeable battery to supply by power supply supply control unit
Electricity, and pass through the on-off state of booting computer detection unit detection computer：Whether detection computer USB port 5V voltages disappear
(＜ 4.5V), if not disappearing, judges that computer is in open state.Now, CPU main control units pass through computer switch control unit
Control computer automatic shutdown：Computer switch control unit exports 0.5S shutdown pulse, and analogue computer power switch is pressed,
Computer is shut down, after output shutdown pulse, continue to detect whether USB port 5V power supplys disappear (＜ 4.5V) in 30S, if not disappearing
Lose, export a 0.5S shutdown pulse after 60S again, continue to detect whether USB port 5V power supplys disappear (＜ 4.5V), if not having still
Disappear, export a 0.5S shutdown pulse ... again after 90S until USB port 5V power supplys disappearance (＜ 4.5V), represents electricity
Brain is in off-mode.After computer is in off-mode, CPU main control units control power supply control by computer switch control unit
Power output plug processed closes power supply output, completely cuts through the power supply of computer, to reduce rechargeable battery current drain, extends standby
Time.
The utility model connects external power source in power supply adaptor, when computer direct current supply is normal, passes through computer switch control
Unit driving computer carries out normal boot-strap, so that the adapter that need to only plug in, computer can Auto Power On, pull up power adaptation
Device, computer will automatic shutdown, computer equally can directly be connect as common electrical equipment to electricity, power-off and switched, it is convenient
User uses.
Preferred embodiment of the present utility model is these are only, the scope of the claims of the present utility model is not thereby limited, it is every
The equivalent structure transformation made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other correlations
Technical field, is similarly included in scope of patent protection of the present utility model.
Claims (2)
1. a kind of direct on/off circuit of direct current supply computer, it is characterised in that including CPU main control units, rechargeable battery, be used for
Detection external power source whether normal power supply and external power source and rechargeable battery are powered switching power supply supply control unit,
For be connected with computer power input socket power output plug, when DC power source adapter power supply is normal control computer just
Normally opened machine simultaneously controls the computer switch control unit of computer normal shutdown in DC power source adapter dump and is used for
Detect the booting computer detection unit of the open and close machine state of computer；One USB end of the booting computer detection unit and computer
Mouth is connected by wire, for judging the voltage of the USB port, so as to judge that computer is in off-mode or start shape
State；The computer switch control unit and the switching on and shutting down push-to of computer cross conductor in parallel, for the switch switch output to computer
Start or shutdown pulse, so that the switch switch of analogue computer is pressed, make computer Auto Power On or shutdown；
The power supply supply control unit electrically connects with the rechargeable battery and for the DC power source adapter for connecing external power source
Connect, the power output plug is electrically connected with the power supply supply control unit, the CPU main control units are supplied with the power supply
Electric control unit, booting computer detection unit and computer switch control unit are electrically connected with.
2. a kind of direct on/off circuit of direct current supply computer, it is characterised in that also including mu balanced circuit, the mu balanced circuit with
The power supply supply control unit is electrically connected with, for being powered after power supply voltage stabilizing to itself and computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143506.9U CN206441113U (en) | 2016-10-20 | 2016-10-20 | A kind of direct on/off circuit of direct current supply computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621143506.9U CN206441113U (en) | 2016-10-20 | 2016-10-20 | A kind of direct on/off circuit of direct current supply computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206441113U true CN206441113U (en) | 2017-08-25 |
Family
ID=59644543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621143506.9U Active CN206441113U (en) | 2016-10-20 | 2016-10-20 | A kind of direct on/off circuit of direct current supply computer |
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| CN (1) | CN206441113U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383565A (en) * | 2016-10-20 | 2017-02-08 | 中山领创网络科技有限公司 | Direct turn-on and turn-off circuit for direct-current power supply computer |
| CN108932139A (en) * | 2018-06-21 | 2018-12-04 | Tcl通力电子（惠州）有限公司 | Automatic boot circuit and electronic equipment |
| CN109814931A (en) * | 2018-12-28 | 2019-05-28 | 北京轩宇信息技术有限公司 | A kind of one key boot system of multiple computers and method based on Universal USB interface |
-
2016
- 2016-10-20 CN CN201621143506.9U patent/CN206441113U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106383565A (en) * | 2016-10-20 | 2017-02-08 | 中山领创网络科技有限公司 | Direct turn-on and turn-off circuit for direct-current power supply computer |
| CN108932139A (en) * | 2018-06-21 | 2018-12-04 | Tcl通力电子（惠州）有限公司 | Automatic boot circuit and electronic equipment |
| CN109814931A (en) * | 2018-12-28 | 2019-05-28 | 北京轩宇信息技术有限公司 | A kind of one key boot system of multiple computers and method based on Universal USB interface |
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