CN201781519U - Mobile terminal and shutdown device thereof - Google Patents
Mobile terminal and shutdown device thereof Download PDFInfo
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- CN201781519U CN201781519U CN2010205029696U CN201020502969U CN201781519U CN 201781519 U CN201781519 U CN 201781519U CN 2010205029696 U CN2010205029696 U CN 2010205029696U CN 201020502969 U CN201020502969 U CN 201020502969U CN 201781519 U CN201781519 U CN 201781519U
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- control chip
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Abstract
The utility model belongs to the technical field of mobile terminals and discloses a mobile terminal and a shutdown device thereof. The shutdown device comprises an on/off key, a delay circuit used for regulating parameters of elements and setting a delay time, a first inductance and a first MOS (Metal Oxide Semiconductor) pipe that is connected with a main control chip, wherein the first inductance is connected with the first MOS pipe, the first MOS pipe is connected with the main control chip, and the delay circuit is connected with the first inductance which is used for controlling the connection between the off of the first MOS pipe and the off of the main control ship when the time of pressing down the on/off key exceeds the delay time. In the utility model, when the mobile terminal is halted, the key is pressed down for a long time, the mobile terminal can be shut down without dismantling a battery.
Description
Technical field
The utility model belongs to technical field of mobile terminals, is specifically related to a kind of portable terminal and shutdown unit thereof.
Background technology
Along with the continuous development of portable terminal technology, the user is also more and more higher to the requirement of mobile terminal function.
In the prior art, the starting-up method of portable equipment hardware designs such as mobile phone generally is:
After pressing switch switch startup power supply chip (PMU), PMU gives main control chip BB power supply, notifies BB to start simultaneously.After BB finishes normal start-up operation, can export a HOLD signal and give PMU, notice PMU system starts, and whole system starts to be finished.In the equipment normal course of operation, this HOLD signal can keep always.During system start-up, do not start, just can not export the HOLD signal if BB is normal.After starting, PMU,, can close automatically if do not receive the HOLD signal through the regular hour; In equipment running process, if the HOLD signal is cut off, PMU also can close automatically.The power supply of whole system is also just turned off, system closedown.
Mobile portable equipment such as mobile phone system in case of system halt can occur in some cases, even the situation of switch switch inefficacy, and normal switch switch can't cycle power equipment.After this situation occurring because the switch switch lost efficacy, often need to open device housings pull out battery realize the shutdown, load onto battery more again and could start shooting again.Some mobile phone or portable equipment, because of the housing designs reason, the shell dismounting bothers very much.
How to provide a kind of when unusual condition appears in portable terminal, method that still can normal shutdown is one of direction of technical field of mobile terminals research.
The utility model content
The purpose of this utility model is to provide a kind of shutdown unit of portable terminal, when being intended to portable terminal and unusual condition occurring, and still can normal shutdown.
The utility model embodiment realizes like this, a kind of shutdown unit of portable terminal, comprise the switching on and shutting down button, comprise that one is used to adjust the delay circuit that device parameters is provided with a delay time, described device also comprises first inductance and first metal-oxide-semiconductor that is connected with described main control chip;
Described first inductance connects described first metal-oxide-semiconductor, and first metal-oxide-semiconductor connects main control chip;
Wherein, described delay circuit connection is used for controlling first metal-oxide-semiconductor and disconnecting first inductance that is connected with the disconnection of main control chip when the time that described switching on and shutting down button is pressed surpasses delay time.
Another purpose of the utility model embodiment is to provide a kind of portable terminal, described portable terminal comprises a shutdown unit, described device comprises the switching on and shutting down button, comprise that one is used to adjust the delay circuit that device parameters is provided with a delay time, described device also comprises first inductance and first metal-oxide-semiconductor that is connected with described main control chip;
Described first inductance connects described first metal-oxide-semiconductor, and first metal-oxide-semiconductor connects main control chip;
Wherein, described delay circuit connection is used for controlling first metal-oxide-semiconductor and disconnecting first inductance that is connected with the disconnection of main control chip when the time that described switching on and shutting down button is pressed surpasses delay time.
The utility model embodiment is by being provided with a delay circuit, by this delay circuit one delay time is set, when the time that button is pressed surpasses between described time-delay, disconnect the connection of main control chip BB, and then cut off the output of HOLD signal, thereby close PMU, when the user is crashed at portable terminal, only need push button for a long time, need not to dismantle battery, the efficient height, greatly convenient for users to use.
Description of drawings
The structure chart of the shutdown unit of the portable terminal that Fig. 1 provides for the utility model embodiment;
The flow chart of the closedown method of the portable terminal that Fig. 2 provides for the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the structure of the shutdown unit of the portable terminal that the utility model embodiment provides.
Described device comprises switching on and shutting down button Power On_Key, comprises a delay circuit, and described device also comprises the first metal-oxide-semiconductor Q1 that the first inductance U1 and is connected with main control chip BB;
Wherein, described delay circuit is used to adjust device parameters one delay time is set, if described switching on and shutting down button Power On_Key time of pressing surpasses this delay time, the described first inductance U1 controls described MOS Q1 pipe and disconnects and being connected of described main control chip BB, and then realizes shutting down.
Described delay circuit comprises first resistance R 1 and first capacitor C 1, and described first resistance R 1 is connected the described first inductance U1 respectively with described first capacitor C 1.
Wherein, described delay time is pressed the time greater than the button of described terminal normal switch machine.R1, C1 form delay circuit, and can adjust device parameters and change delay time, be 3.0 seconds if normally pin the unused time of PowerOn_Key, then the delay time of the utility model embodiment setting is time-delay 4.7 seconds.Switch switch Power On_Key pinned switch switch Power On_Key4.7 after second after losing efficacy, and 1 input of first capacitor C is dragged down, and turn-offed the first metal-oxide-semiconductor Q1 by U1, thereby the HOLD signal cut of BB to PMU.
The utility model embodiment makes full use of the effect of HOLD signal, when switch switch PowerOn_Key lost efficacy, pin switch switch Power On_Key for a long time, pass through delay circuit, disconnect the connection of described main control chip BB, cut off the HOLD signal that main control chip BB sends, and then allow PMU close, cut off power supply, realize shutdown.Complicated or tear the equipment of machine inconvenience open for housing designs, need not tear shell during system in case of system halt open and just can realize shutting down recovery system.
The utility model embodiment also provides a kind of portable terminal, and described portable terminal comprises the shutdown unit that the utility model embodiment provides, and in view of this installs in above existing detailed description, repeats no more herein.
Fig. 2 shows the flow process of the closedown method of the portable terminal that the utility model embodiment provides.
In step S201, described delay circuit (R1 and C1) is adjusted device parameters one delay time is set;
In step S202, if the time that described switching on and shutting down button is pressed surpasses described delay time, the first inductance U1 of described terminal controls first metal-oxide-semiconductor disconnection of described terminal and being connected of described main control chip, and then realizes shutdown, wherein, described main control chip connects the described first metal-oxide-semiconductor Q1.
Wherein, described delay circuit comprises first resistance and first electric capacity, and described first resistance is connected described first inductance respectively with described first electric capacity.
Preferably, described delay time is pressed the time greater than the button of described terminal normal switch machine.
The utility model embodiment is by being provided with a delay circuit, by this delay circuit one delay time is set, when the time that button is pressed surpasses between described time-delay, disconnect the connection of main control chip BB, and then cut off the output of HOLD signal, thereby close PMU, when the user is crashed at portable terminal, only need push button for a long time, need not to dismantle battery, the efficient height, greatly convenient for users to use.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and these improvement and conversion all should belong to the protection range of the utility model claims.
Claims (4)
1. the shutdown unit of a portable terminal comprises the switching on and shutting down button, it is characterized in that, comprises that also one is used to adjust the delay circuit that device parameters is provided with a delay time, and described device also comprises first inductance and first metal-oxide-semiconductor that is connected with described main control chip;
Described first inductance connects described first metal-oxide-semiconductor, and described first metal-oxide-semiconductor connects described main control chip;
Wherein, described delay circuit connection is used for controlling first metal-oxide-semiconductor and disconnecting first inductance that is connected with the disconnection of main control chip when the time that described switching on and shutting down button is pressed surpasses delay time.
2. the shutdown unit of portable terminal as claimed in claim 1 is characterized in that, described delay circuit comprises first resistance and first electric capacity, and described first resistance is connected described first inductance respectively with described first electric capacity.
3. portable terminal, it is characterized in that, described portable terminal comprises a shutdown unit, described device comprises the switching on and shutting down button, comprise that also one is used to adjust the delay circuit that device parameters is provided with a delay time, described device also comprises first inductance and first metal-oxide-semiconductor that is connected with described main control chip;
Described first inductance connects described first metal-oxide-semiconductor, and first metal-oxide-semiconductor connects main control chip;
Wherein, described delay circuit connection is used for controlling first metal-oxide-semiconductor and disconnecting first inductance that is connected with the disconnection of main control chip when the time that described switching on and shutting down button is pressed surpasses delay time.
4. portable terminal as claimed in claim 3 is characterized in that, described delay circuit comprises first resistance and first electric capacity, and described first resistance is connected described first inductance respectively with described first electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205029696U CN201781519U (en) | 2010-08-18 | 2010-08-18 | Mobile terminal and shutdown device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205029696U CN201781519U (en) | 2010-08-18 | 2010-08-18 | Mobile terminal and shutdown device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201781519U true CN201781519U (en) | 2011-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205029696U Expired - Fee Related CN201781519U (en) | 2010-08-18 | 2010-08-18 | Mobile terminal and shutdown device thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982960A (en) * | 2010-08-18 | 2011-03-02 | 惠州Tcl移动通信有限公司 | Mobile terminal as well as shutdown device and shutdown method thereof |
| CN103561167A (en) * | 2013-10-22 | 2014-02-05 | 小米科技有限责任公司 | Device, method and terminal equipment for restarting after dead halt |
| CN104298568A (en) * | 2013-07-19 | 2015-01-21 | 中兴通讯股份有限公司 | User terminal outage control method and system |
| CN105785802A (en) * | 2014-12-24 | 2016-07-20 | 联芯科技有限公司 | Power supply management apparatus |
| CN110418230A (en) * | 2018-04-28 | 2019-11-05 | 深圳市三诺数字科技有限公司 | A kind of earphone shutdown circuit |
-
2010
- 2010-08-18 CN CN2010205029696U patent/CN201781519U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982960A (en) * | 2010-08-18 | 2011-03-02 | 惠州Tcl移动通信有限公司 | Mobile terminal as well as shutdown device and shutdown method thereof |
| WO2012022177A1 (en) * | 2010-08-18 | 2012-02-23 | 惠州Tcl移动通信有限公司 | Mobile terminal, shutdown device and method thereof |
| US9008733B2 (en) | 2010-08-18 | 2015-04-14 | Huizhou Tcl Mobile Communication Co., Ltd. | Mobile terminal and shutdown device and method thereof |
| CN104298568A (en) * | 2013-07-19 | 2015-01-21 | 中兴通讯股份有限公司 | User terminal outage control method and system |
| CN103561167A (en) * | 2013-10-22 | 2014-02-05 | 小米科技有限责任公司 | Device, method and terminal equipment for restarting after dead halt |
| CN105785802A (en) * | 2014-12-24 | 2016-07-20 | 联芯科技有限公司 | Power supply management apparatus |
| CN110418230A (en) * | 2018-04-28 | 2019-11-05 | 深圳市三诺数字科技有限公司 | A kind of earphone shutdown circuit |
| CN110418230B (en) * | 2018-04-28 | 2024-03-29 | 深圳市三诺数字科技有限公司 | Earphone shutdown circuit |
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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: 20110330 Termination date: 20140818 |
|
| EXPY | Termination of patent right or utility model |