CN105094269A - System and method for controlling automatic power-off of electronic device - Google Patents
System and method for controlling automatic power-off of electronic device Download PDFInfo
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- CN105094269A CN105094269A CN201410156641.6A CN201410156641A CN105094269A CN 105094269 A CN105094269 A CN 105094269A CN 201410156641 A CN201410156641 A CN 201410156641A CN 105094269 A CN105094269 A CN 105094269A
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Abstract
Provided is a system for controlling automatic power-off of an electronic device. The system comprises an embedded control chip and a startup and shutdown control unit. The startup and shutdown control unit is connected with the embedded control chip. The system for controlling automatic power-off of an electronic device also comprises an eyelid detection system. The eyelid detection system measures distance between an upper eyelid and a lower eyelid of a user, and the measured distance is compared with a preset distance. The embedded control chip receives the comparison result, and when the measured distance is smaller than the preset distance, the embedded control chip sends a shutdown signal to the startup and shutdown control unit. The invention also provides a method for controlling automatic power-off of an electronic device.
Description
Technical field
The invention relates to the system and method for a kind of automatic control electric subset shutdown.
Background technology
Along with the development of electronic technology, the various hand-held electronic product with display screen is used more and more widely, such as panel computer, smart mobile phone etc.; Current, panel computer reading electronic book or viewing film is used in bed before increasing user likes sleeping, sometimes also easily look at and just fall asleep, such panel computer will be in open state always and run always, so not only waste electric energy, and the radiation produced when panel computer runs can impact to the health of the user in sleep.
Summary of the invention
In view of above content, be necessary the system and method that a kind of automatic shutdown after user falls asleep is provided.
A kind of electronic equipment automatic power-off control system, comprise an embedded control chip and a switching on and shutting down control module, described switching on and shutting down control module is connected to described embedded control chip, described electronic equipment automatic power-off control system also comprises an eyelid detection system, described eyelid detection system measures the distance between the upper palpebra inferior of user, surveyed distance and a predeterminable range are compared, described embedded control chip receives described comparative result, and sends an off signal when surveyed distance is less than described predeterminable range to described switching on and shutting down control module.
A kind of electronic equipment automatic shutdown control method, comprises the following steps:
One eyelid detection system detects the distance between the upper palpebra inferior of user, surveyed distance and a predeterminable range is compared;
One embedded control chip receives described comparative result, and sends an off signal when surveyed distance is less than described predeterminable range to a switching on and shutting down control module; And
Described switching on and shutting down control module closes electronic equipment.
Compared to prior art, by detecting the distance of the upper palpebra inferior of user, above-mentioned electronic equipment automatic power-off control system and method judge whether user enters sleep state, after user enters sleep state, close electronic equipment.
Accompanying drawing explanation
Fig. 1 is a composition diagram of electronic equipment automatic power-off control system one of the present invention preferred embodiment.
Fig. 2 is a schematic diagram of electronic equipment automatic power-off control system in Fig. 1.
Fig. 3 is a process flow diagram of electronic equipment automatic shutdown control method one of the present invention preferred embodiment.
Main element symbol description
| Eyelid detection system | 10 |
| Left eye eyelid detecting unit | 11 |
| Right eye eyelid detecting unit | 12 |
| Measure module | 15 |
| Coding module | 16 |
| Embedded control chip | 20 |
| Decoding module | 21 |
| Timing module | 22 |
| Switching on and shutting down control module | 30 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, in a preferred embodiment of the present invention, an electronic equipment automatic power-off control system comprises eyelid detection system 10, embedded control chip 20 and a switching on and shutting down control module 30.
Refer to Fig. 2, this eyelid detection system 10 comprises left eye eyelid detecting unit 11 and a right eye eyelid detecting unit 12, this left eye eyelid detecting unit 11 comprises measures module 15 and a coding module 16 with one, this right eye eyelid detecting unit 12 also comprises measurement module 15 and a coding module 16, in one embodiment, this measurement module 15 is a microwave measurement unit, its launched microwave is to the left eye of user or right eye, distance between the upper palpebra inferior of measurement left eye or right eye, when distance between upper palpebra inferior is more than or equal to a setpoint distance (such as 0.2cm), can judge that left eye or right eye are in the state of opening, module 16 of now encoding produces one first coding, such as " 1 ", when distance between upper palpebra inferior is less than a setpoint distance (such as 0.2cm), can judge that left eye or right eye are in closure state, module 16 of now encoding produces one second coding, such as " 0 ", so only have when two coding modules 16 of left eye eyelid detecting unit 11 and right eye eyelid detecting unit 12 produce coding " 0 " simultaneously, could judge that the eyes of user close and fall asleep.
This embedded control chip 20 is connected to this eyelid detection system 10, this embedded control chip 20 comprises decoding module 21 and a timing module 22, this decoding module 21 is connected to two coding modules 16 of this left eye eyelid detecting unit 11 and right eye eyelid detecting unit 12, and receives the coding of two coding modules 16 generations; In one embodiment, this decoding module 21 is one or door; When the coding that two coding modules 16 produce is " 0 ", this decoding module 21 exports one first signal, such as low level signal " 0 "; When two coding modules 16 wherein arbitrary generation be encoded to " 1 " time, this decoding module 21 inputs a secondary signal, such as high level signal " 1 "; This timing module 22 is connected to this decoding module 21, when this decoding module 21 output low level signal, this timing module 22 starts timing, if in setting duration (such as 10 minutes), decoding module 21 continues output low level signal, this timing module 22 exports an off signal to switching on and shutting down control module 30, thus allows switching on and shutting down control module 30 close electronic equipment; If when in this setting duration, decoding module 21 outputs a high level signal, then timing module 22 interrupts timing and resets, and only has when after decoding module 21 again output low level signal, timing module 22 just restarts timing, thus avoids electronic equipment and closed by mistake.
Refer to Fig. 3, an electronic equipment automatic shutdown method comprises the following steps:
Step 301, the measurement module 15 of left eye eyelid detecting unit 11 measures the distance between the upper palpebra inferior of user's left eye, and the distance recorded and a setpoint distance are compared, the coding module 16 of left eye eyelid detecting unit 11 produces corresponding coding according to comparative result; The measurement module 15 of right eye eyelid detecting unit 12 measures the distance between the upper palpebra inferior of user's right eye, and the distance recorded and a setpoint distance is compared, and the coding module 16 of right eye eyelid detecting unit 12 produces corresponding coding according to comparative result.
Step 302, the decoding module 21 of embedded control chip 20 receives the coding of two coding modules 16 of left eye eyelid detecting unit 11 and right eye eyelid detecting unit 12, and carries out decoding and exporting, and checks whether the output of decoding module 21 is low level signal, if low level signal, to step 303; If not low level signal, rest on step 302.
Step 303, timing module 22 starts timing.
Step 304, checks whether the output of decoding module 21 is low level signal, if so, then arrives step 305; If not then arrive step 307.
Step 305, checks whether the timing duration of timing module reaches a setting duration, if then arrive step 306, if not then arrive step 304.
Step 306, timing module 22 exports an off signal to switching on and shutting down control module 30, and switching on and shutting down control module 30 closes electronic equipment.
Step 307, timing module 22 interrupts timing and resets, and to step 301.
By detecting the distance of the upper palpebra inferior of user, above-mentioned electronic equipment automatic power-off control system and method judge whether user enters sleep state, after user enters sleep state, close electronic equipment.
Claims (10)
1. an electronic equipment automatic power-off control system, comprise an embedded control chip and a switching on and shutting down control module, described switching on and shutting down control module is connected to described embedded control chip, it is characterized in that: described electronic equipment automatic power-off control system also comprises an eyelid detection system, described eyelid detection system measures the distance between the upper palpebra inferior of user, surveyed distance and a predeterminable range are compared, described embedded control chip receives described comparative result, and send an off signal when surveyed distance is less than described predeterminable range to described switching on and shutting down control module.
2. electronic equipment automatic power-off control system as claimed in claim 1, it is characterized in that: described eyelid detection system comprises a left eye eyelid detecting unit and a right eye eyelid detecting unit, described left eye eyelid detecting unit and described right eye eyelid detecting unit comprise a measurement module respectively, the measurement module of described left eye eyelid detecting unit measures the distance of the upper palpebra inferior of user's left eye, and the measurement module of described right eye eyelid detecting unit measures the distance of the upper palpebra inferior of user's right eye.
3. electronic equipment automatic power-off control system as claimed in claim 2, it is characterized in that: described left eye eyelid detecting unit and described right eye eyelid detecting unit comprise a coding module respectively, when surveyed distance is more than or equal to described predeterminable range, described coding module produces one first coding; When surveyed distance is less than described predeterminable range, described coding module produces one second coding.
4. electronic equipment automatic power-off control system as claimed in claim 3, it is characterized in that: described embedded control chip comprises the decoding module that is connected to above-mentioned two coding modules, when the coding that two coding modules produce is the second coding, described decoding module exports one first signal; When there being the first coding in the coding that two coding modules produce, described decoding module exports a secondary signal.
5. electronic equipment automatic power-off control system as claimed in claim 4, it is characterized in that: described embedded control chip also comprises the timing module that is connected to described decoding module, described timing module starts timing when described decoding module exports the first signal, when described decoding module continues to export described first signal in a setting duration, described timing module exports described off signal to described switching on and shutting down control module.
6. electronic equipment automatic power-off control system as claimed in claim 4, it is characterized in that: described first is encoded to " 1 ", described second is encoded to " 0 ", and described decoding module is one or door, described first signal is a low level signal, and described secondary signal is a high level signal.
7. an electronic equipment automatic shutdown control method, comprises the following steps:
One eyelid detection system detects the distance between the upper palpebra inferior of user, surveyed distance and a predeterminable range is compared;
One embedded control chip receives described comparative result, and sends an off signal when surveyed distance is less than described predeterminable range to a switching on and shutting down control module; And
Described switching on and shutting down control module closes electronic equipment.
8. electronic equipment automatic shutdown control method as claimed in claim 7, it is characterized in that: described eyelid detection system comprises a left eye eyelid detecting unit and a right eye eyelid detecting unit, described left eye eyelid detecting unit and described right eye eyelid detecting unit comprise a measurement module and a coding module respectively, the measurement module of described left eye eyelid detecting unit measures the distance of the upper palpebra inferior of user's left eye, the measurement module of described right eye eyelid detecting unit measures the distance of the upper palpebra inferior of user's right eye, when surveyed distance is more than or equal to described predeterminable range, described coding module produces one first coding, when surveyed distance is less than described predeterminable range, described coding module produces one second coding.
9. electronic equipment automatic shutdown control method as claimed in claim 8, it is characterized in that: described embedded control chip comprises the decoding module that is connected to above-mentioned two coding modules, when the coding that two coding modules produce is the second coding, described decoding module exports one first signal; When there being the first coding in the coding that two coding modules produce, described decoding module exports a secondary signal.
10. electronic equipment automatic shutdown control method as claimed in claim 9, it is characterized in that: described embedded control chip also comprises the timing module that is connected to described decoding module, described timing module starts timing when described decoding module exports the first signal, when described decoding module continues output the first signal in a setting duration, described timing module exports described off signal to described switching on and shutting down control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410156641.6A CN105094269A (en) | 2014-04-18 | 2014-04-18 | System and method for controlling automatic power-off of electronic device |
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| CN201410156641.6A CN105094269A (en) | 2014-04-18 | 2014-04-18 | System and method for controlling automatic power-off of electronic device |
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| CN105929950A (en) * | 2016-04-15 | 2016-09-07 | 惠州Tcl移动通信有限公司 | Mobile terminal and time-limited use method and apparatus for VR glasses |
| CN105929926A (en) * | 2016-04-08 | 2016-09-07 | 惠州Tcl移动通信有限公司 | VR (Virtual Reality) glasses and power saving method thereof |
| CN106569612A (en) * | 2016-11-09 | 2017-04-19 | 宇龙计算机通信科技(深圳)有限公司 | Method for protecting eyes, display device for protecting eyes and terminal |
| CN107315469A (en) * | 2016-04-26 | 2017-11-03 | 富泰华工业（深圳）有限公司 | Can auto sleep electronic installation and its dormancy method |
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Application publication date: 20151125 |