CN103760945A - Power control method and device of wearable device - Google Patents
Power control method and device of wearable device Download PDFInfo
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- CN103760945A CN103760945A CN201310750737.0A CN201310750737A CN103760945A CN 103760945 A CN103760945 A CN 103760945A CN 201310750737 A CN201310750737 A CN 201310750737A CN 103760945 A CN103760945 A CN 103760945A
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Abstract
The invention discloses a power control method and device of a wearable device. The power control method comprises performing real-time monitoring on signals output from a gyroscope which is arranged on the wearable device through an MCU (Micro Control Unit); sending a first control signal to a power supply control module through the MCU if the signals output from the gyroscope are unchanged within the first time length so as to enable the power supply control module to control a power supply to stop supplying power for a consumption module which is arranged in the wearable device, wherein the consumption module is a power consumption module arranged in the wearable device besides the MCU; sending a second control signal to the power supply control module through the MCU if the signals output from the gyroscope change within the second time length after the power supply stops supplying power for the consumption module which is arranged in the wearable device so as to enable the power supply control module to control the power supply to continue supplying power for the consumption module which is arranged in the wearable device. According to the technical scheme of the power control method and device of the wearable device, the problems that power control of the existing wearable device needs to depend on a set program and chip and the power loss is large during power control are solved.
Description
Technical field
The present invention relates to technical field of electronic products, particularly relate to a kind of Poewr control method and device of wearable device.
Background technology
Along with social progress and scientific and technological development, wearable technology (Wearable Technology) becomes an aspect that has prospect in consumer electronics field gradually.In life, the common main product based on wearable technology mainly comprises: bluetooth earphone, 3D glasses and various there is virtual reality function wear game station etc.A common ground of wearable device is small volume.This also just makes these products can not have the ability of built-in high capacity cell.Therefore, in these products of development and Design, developer is often perplexed by same problem: in the situation that battery electric quantity is limited, how to make these wearable devices have long as far as possible stand-by time.
What traditional low power consumption control method relied on is set program and chip, and whether the shortcoming of this method is to have signal input and output to judge whether make equipment to enter low-power consumption mode by detecting.When detecting input/output signal, equipment often will, in flat-out situation, be waited for considerable time.If never have during this period of time signal, equipment just enters the park mode of low-power consumption so.This has just caused huge energy dissipation.
In sum, existing wearable setting need to rely on set program and chip to carry out power control, has the problem that power attenuation is larger when carrying out power control.
Summary of the invention
The invention provides a kind of Poewr control method and device of wearable device.The present invention can solve existing wearable setting and need to rely on set program and chip to carry out power control, has the problem that power attenuation is larger when carrying out power control.
The Poewr control method that the invention discloses a kind of wearable device, the method comprises:
Miniature control module MCU detects the signal of the gyroscope output being arranged on wearable device in real time,
In very first time length, if detect that when the signal of described gyroscope output is unchanged, described MCU sends the first control signal to energy supply control module, energy supply control module control power supply is stopped to the power consumption module power supply in described wearable device; Wherein, described power consumption module is the power consumption module except MCU in described wearable device;
In the second time span after described power supply stops the power consumption module power supply in described wearable device, if detected when the signal of described gyroscope output changes, described MCU sends the second control signal to energy supply control module, and described energy supply control module control power supply continuation is powered to the power consumption module in described wearable device.
In said method, the method further comprises:
Be provided for detecting the whether human eye detection module in closed-eye state of human eye;
Described human eye detection module is detecting that human eye during in closed-eye state, sends closed-eye state signal to MCU in the 3rd time span; Described MCU sends the 3rd control signal according to described closed-eye state signal to energy supply control module, and energy supply control module control power supply is stopped to the power consumption module power supply in described wearable device;
Described human eye detection module detect human eye in the 4th time span when opening eyes state, to MCU, send the status signal of opening eyes; The status signal of opening eyes described in described MCU basis sends the 4th control signal to energy supply control module, and described energy supply control module control power supply continuation is powered to the power consumption module in described wearable device;
Wherein, described power consumption module is the power consumption module except MCU in described wearable device.
In said method, described power consumption module comprises at least one in loudspeaker, display, communications module, touch chip, camera.
In said method, the method further comprises: be provided for detecting the dormant brain wave detection module of user;
Described brain wave detection module is detecting that user during in sleeping state, sends sleeping state signal to MCU in the 5th time span; Described MCU sends the 5th control signal according to described shallow deep sleep status signal to energy supply control module, and energy supply control module control power supply is stopped to the part power consumption module power supply in described wearable device;
Described brain wave detection module is detecting that user during in deep sleep state, sends deep sleep status signal to MCU in the 6th time span; Described MCU sends the 6th control signal according to described deep sleep status signal to energy supply control module, and energy supply control module control power supply is stopped to all power consumption module power supplies in described wearable device;
Described brain wave detection module is detecting that user during in waking state, sends waking state signal to MCU in the 7th time span; Described MCU sends the 7th control signal according to described waking state signal to energy supply control module, and described energy supply control module control power supply continuation is powered to the power consumption module in described wearable device.
The invention also discloses a kind of output control device of wearable device, this device comprises:
Power supply, MCU, gyroscope, energy supply control module and power consumption module;
Described gyrostatic signal output port is connected with the input port of described MCU, and the signal input port of described energy supply control module is connected with the control signal output port of described MCU; The power input mouth of described power consumption module is connected with described power supply; Wherein,
Described MCU, for detecting in real time the signal of gyroscope output, the signal that described gyroscope output detected in very first time length is unchanged, to energy supply control module, send the first control signal, in the second time span stopping after the power supply of described power consumption module, detect when signal that described gyroscope is exported changes, to energy supply control module, send the second control signal
Described energy supply control module, stops to described power consumption module power supply for the first control signal control power supply sending according to MCU; The the second control signal control power supply continuation sending according to MCU is powered to the power consumption module in described wearable device.
In said apparatus, this device further comprises: human eye detection module, and described human eye detection module is connected with described MCU;
Described human eye detection module, for detecting that human eye sends closed-eye state signal to MCU during in closed-eye state in the 3rd time span, is detecting that human eye sends to MCU the status signal of opening eyes in the 4th time span when opening eyes state;
Described MCU, for sending the 3rd control signal according to described closed-eye state signal to energy supply control module, sends the 4th control signal according to the described status signal of opening eyes to energy supply control module;
Described energy supply control module, for stopping the power consumption module power supply to described wearable device according to the 3rd control signal control power supply; For continue the power consumption module power supply to described wearable device according to the 4th control signal control power supply.
In said apparatus, described power consumption module comprises at least one in loudspeaker, display, communications module, touch chip, camera.
In said apparatus, this device further comprises: brain wave detection module, and described brain wave detection module is connected with described MCU;
Described brain wave detection module, for detecting that user is in the 5th time span during in sleeping state, to MCU, send sleeping state signal, detecting that user is in the 6th time span during in deep sleep state, to MCU, send deep sleep status signal, detecting that user during in waking state, sends waking state signal to MCU in the 7th time span;
Described MCU, for sending the 5th control signal according to described shallow deep sleep status signal to energy supply control module, according to described deep sleep status signal, to energy supply control module, send the 6th control signal, according to described waking state signal, to energy supply control module, send the 7th control signal;
Described energy supply control module, for stopping the part power consumption module power supply to described wearable device according to the 5th control signal control power supply; For stop all power consumption module power supplies to described wearable device according to the 6th control signal control power supply; For continue all power consumption module power supplies to described wearable device according to the 7th control signal control power supply.
In said apparatus, described energy supply control module comprises: field effect transistor, triode, resistance, capacitor and filtering magnetic bead; Wherein,
The base stage of described triode is connected with the signal output part of described MCU, the grounded emitter of described triode, and the collector of described triode is connected with the grid of described field effect transistor;
One end of described resistance is connected with power output end, and the other end of described resistance is connected with the collector of described triode;
The source electrode of described field effect transistor is connected with power output end, and the drain electrode of described field effect transistor is connected with one end of described capacitor, the other end ground connection of described capacitor;
The drain electrode of described field effect transistor is connected with one end of filtering magnetic bead, and the other end of described filtering magnetic bead is connected with the power input of power consumption module.
In said apparatus, described field effect transistor is P channel MOS tube; Described triode is digital triode.
In sum, technical scheme provided by the invention, whether MCU detects the gyrostatic output signal that is arranged on wearable device inside, according to the signal of output, change and judge whether this wearable device is kept in motion.Owing to being real-time to the detection of gyrostatic signal, therefore can judge timely the whether state in dressing of wearable device, and can be at wearable device not when dressing state, controlling power supply stops powering to power consumption module, and MCU also enters low-power consumption mode, further reduce the consumption to power supply.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the Poewr control method of a kind of wearable device of the present invention;
Fig. 2 is the structural representation of the output control device of the wearable device of an embodiment in the present invention;
Fig. 3 is the structural representation of the output control device of the wearable device of another embodiment in the present invention;
Fig. 4 is the structure schematic diagram of the output control device of the wearable device of another embodiment in the present invention;
Fig. 5 is the circuit diagram of the energy supply control module in an embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Fig. 1 is the process flow diagram of the Poewr control method of a kind of wearable device of the present invention, and as shown in Figure 1, the method comprises the steps.
In the above embodiment of the present invention, by MCU, detect in real time the gyrostatic output signal on wearable device, according to the signal of gyroscope output, whether change, judge and whether be provided with this gyrostatic wearable device in wearing state.If gyrostatic signal is unchanged, judge that wearable device, not in wearing state, therefore transmits control signal to energy supply control module, make power supply stop powering to reduce to power consumption module the power attenuation of power supply.If gyrostatic signal changes, judge that wearable device is in wearing state, when power supply is while powering to power consumption module, preserve current state constant, when power supply stops powering to power consumption module, to energy supply control module, send the second control signal, make power supply continue, to power consumption module power supply, wearable device to be worked on.
In specific implementation of the present invention, work as wearable device, the wearable device that especially has video to show, such as wear-type bluetooth 3D glasses etc.These equipment are clothed to user with it time, exist the user who wears to enter sleep state, but gyrostatic data still change, and MCU can not transmit control signal to power module, and this wearable device is still in running order.But in fact, need power supply to stop, to power consuming device power supply, also should entering low-power consumption mode this time.
Therefore,, in a kind of preferred embodiment of the present invention, in wearable device, be also provided for detecting the whether human eye detection module in closed-eye state of human eye.Wherein, human eye detection module, when human eye being detected in closed-eye state, sends closed-eye state signal to MCU; Human eye detection module is detecting that human eye is when opening eyes state, to MCU, sends the status signal of opening eyes.
When user enters sleep state, eyes are in closed-eye state.MCU sends the 3rd control signal according to described closed-eye state signal to energy supply control module, and energy supply control module control power supply is stopped to the power consumption module power supply in described wearable device.When user does not enter sleep state, glasses are in the state of opening eyes, and MCU sends the 4th control signal according to the status signal of opening eyes to energy supply control module, and described energy supply control module control power supply continuation is powered to the power consumption module in described wearable device; Wherein, power consumption module is the power consumption module except MCU in wearable device.
In an embodiment of the present invention, the power consumption module of wearable device is generally can be multiple, such as loudspeaker, display, communications module (the radio communication module such as infrared, bluetooth, NFC or wire transmission etc.), touches chip, camera etc.
Further, because each user's sleep habit is not identical, thereby user's sleep state also can be different, when sleeping state (catnaping), or be only in the situation of shut my eyes rest, exist great probability to continue to use these power consumption module.When deep sleep state, exist minimum probability to continue to use these power consumption module, therefore direct powered-down substantially.Therefore in another kind of preferred embodiment of the present invention, be also provided for detecting the dormant brain wave detection module of user in wearable device, wherein said brain wave detection module is connected with MCU.
In an embodiment of the present invention, brain wave detection module is detecting that user during in sleeping state, sends sleeping state signal to MCU in the 5th time span; MCU sends the 5th control signal according to described shallow deep sleep status signal to energy supply control module, and energy supply control module control power supply is stopped to the part power consumption module power supply in described wearable device.
In an embodiment of the present invention, brain wave detection module is detecting that user during in deep sleep state, sends deep sleep status signal to MCU in the 6th time span; MCU sends the 6th control signal according to described deep sleep status signal to energy supply control module, and energy supply control module control power supply is stopped to all power consumption module power supplies in described wearable device.
In an embodiment of the present invention, brain wave detection module is detecting that user during in waking state, sends waking state signal to MCU in the 7th time span; Described MCU sends the 7th control signal according to described waking state signal to energy supply control module, and described energy supply control module control power supply continuation is powered to the power consumption module in described wearable device.
As can be seen here, technical scheme provided by the invention is with respect to the low power consumption control method on traditional wearable device, its advantage is: the gyroscope of setting can stop providing clear and definite foundation to power consumption module power supply for whether controlling power supply, the signal that is gyroscope output does not change, MCU sends the first control signal to energy supply control module, stop, to power consumption module power supply, making wearable device enter low-power consumption mode.In addition, power consumption control method provided by the invention, also by human eye detection module is set, according to the open eyes duty of control wearable device of state or closed-eye state intelligence of people's sleep state, can accomplish energy conservation to greatest extent.Further, be provided for detecting the dormant brain wave detection module of user, according to people's sleep degree, the duty of control wearable device of intelligence, can accomplish the power consumption regulation and control of hommization.
In a kind of preferred embodiment of the present invention, at MCU, after sending the first control signal to power module, enter low-power consumption mode.
In a kind of preferred embodiment of the present invention, at MCU, after power module sends the 3rd control signal, enter low-power consumption mode.
In a kind of preferred embodiment of the present invention, at MCU, after power module sends the 6th control signal, enter low-power consumption mode.
After MCU enters low-power consumption mode, can further reduce the power consumption of power supply, and then extend the working time of the power supply in wearable device.
For the output control device of the wearable device in the present invention is more clearly described, below in conjunction with concrete accompanying drawing, be elaborated.
Fig. 2 is the structural representation of the output control device of the wearable device of an embodiment in the present invention, shown in Figure 2, and this device comprises:
The signal output port of gyroscope 201 is connected with the input port of MCU202, and the signal input port of energy supply control module 204 is connected with the control signal output port of MCU202; The power input mouth of power consumption module 205 is connected with described power supply; Wherein,
MCU202, for detecting in real time the signal that gyroscope 201 is exported, because gyroscope 201 is under the state of motion, the signal of its output can change, and when gyroscope is under static state, the signal of its output can be unchanged.Therefore,, by detecting gyrostatic output signal, judgement is provided with whether this gyrostatic wearable device be kept in motion, and then judges whether user is using this wearable device.
In very first time length, if detecting the signal that gyroscope 201 is exported, MCU202 changes, to energy supply control module 204, send the first control signal, energy supply control module 204, stops powering to power consumption module 205 according to the first control signal control power supply 203.In an embodiment of the present invention, by not detecting that within lasting a period of time gyrostatic output signal changes, judge user not use this wearable device, and then control power supply 203 stop powering to power consumption module 205, with this, reduce the consumption to power supply.Wherein, very first time section can be set according to wearable device and actual situation about using.Be exemplified as, for 3D glasses, can set very first time section is 30s.
In the second time span stopping after power consumption module 205 power supplies, if MCU202 detects when signal that gyroscope 201 is exported changes, to energy supply control module 204, send the second control signal, energy supply control module 204, continues to power to the power consumption module 205 in wearable device according to the second control signal control power supply 203.In an embodiment of the present invention, by detecting that within lasting a period of time gyrostatic output signal changes, judge that user is using this wearable device, and then control power supply 203 and continue to power to power consumption module 205, wearable device can normally be used.Wherein, the second time period can be set according to wearable device and actual situation about using.Be exemplified as, for 3D glasses, can set for the second time period is 10s.Wherein MCU202 can select the NUC123SD4AN0 chip that Nuvoton company produces.
In the above embodiment of the present invention, by MCU, detect in real time the gyrostatic output signal on wearable device, according to the signal of gyroscope output, whether change, judge and whether be provided with this gyrostatic wearable device in wearing state.If gyrostatic signal is unchanged, judge that wearable device, not in wearing state, therefore transmits control signal to energy supply control module, make power supply stop powering to reduce to power consumption module the power attenuation of power supply.If gyrostatic signal changes, judge that wearable device is in wearing state, when power supply is while powering to power consumption module, preserve current state constant, when power supply stops powering to power consumption module, to energy supply control module, send the second control signal, make power supply continue, to power consumption module power supply, wearable device to be worked on.
In specific implementation of the present invention, work as wearable device, the wearable device that especially has video to show, such as wear-type bluetooth 3D glasses etc.These equipment are clothed to user with it time, exist the user who wears to enter sleep state, but gyrostatic data still change, and MCU can not transmit control signal to power module, and this wearable device is still in running order.But in fact, need power supply to stop, to power consuming device power supply, also should entering low-power consumption mode this time.
Therefore,, in a kind of preferred embodiment of the present invention, in wearable device, be also provided for detecting the whether human eye detection module in closed-eye state of human eye.Wherein, human eye detection module, when human eye being detected in closed-eye state, sends closed-eye state signal to MCU; Human eye detection module is detecting that human eye is when opening eyes state, to MCU, sends the status signal of opening eyes.
When user enters sleep state, eyes are in closed-eye state.MCU sends the 3rd control signal according to described closed-eye state signal to energy supply control module, and energy supply control module control power supply is stopped to the power consumption module power supply in described wearable device.When user does not enter sleep state, glasses are in the state of opening eyes, and MCU sends the 4th control signal according to the status signal of opening eyes to energy supply control module, and described energy supply control module control power supply continuation is powered to the power consumption module in described wearable device; Wherein, power consumption module is the power consumption module except MCU in wearable device.
In an embodiment of the present invention, the power consumption module of wearable device is generally can be multiple, such as loudspeaker, display, communications module (the radio communication module such as infrared, bluetooth, NFC or wire transmission etc.), touches chip, camera etc.
Fig. 3 is the structural representation of the output control device of the wearable device of another embodiment in the present invention.Shown in Figure 3, in an embodiment of the present invention, the output control device of the wearable device providing further comprises human eye detection module 206.
Described human eye detection module 206, for sending closed-eye state signal or the transmission status signal of opening eyes to MCU202;
Wherein, human eye detection module 206 is detecting that human eye sends to MCU the status signal of opening eyes when opening eyes state, sends closed-eye state signal to MCU when human eye being detected in closed-eye state.
MCU202, for sending the 3rd control signal according to described closed-eye state signal to energy supply control module, sends the 4th control signal according to the described status signal of opening eyes to energy supply control module.
Energy supply control module 203, for stopping the power consumption module power supply to described wearable device according to the 3rd control information control power supply; Or, according to the 4th control information control power supply continuation, to the power consumption module in described wearable device, power;
In concrete application of the present invention, when user enters sleep state, eyes are in closed-eye state.MCU202 sends the 3rd control signal according to closed-eye state signal to energy supply control module 204, and energy supply control module 204 is controlled power supply 203 and stopped powering to the power consumption module 205 in wearable device.
When user does not enter sleep state, MCU202 sends the 4th control signal according to the status signal of opening eyes to energy supply control module 204, makes energy supply control module 204 control power supply 203 and continues to power to the power consumption module 205 in wearable device; Wherein, power consumption module is the power consumption module except MCU in wearable device, and power consumption module 205 can be multiple.
Fig. 4 is the structure schematic diagram of the output control device of the wearable device of another embodiment in the present invention.
Shown in Figure 4, in an embodiment of the present invention, the output control device of the wearable device providing further comprises brain wave detection module 207.
Brain wave detection module 207, for sending sleeping state signal to MCU; Or, send deep sleep status signal; Or, send waking state signal.
In a kind of specific embodiment of the present invention, brain wave detection module 207 is detecting that user during in sleeping state, sends sleeping state signal to MCU202 in the 5th time span; Detecting that user during in deep sleep state, sends deep sleep status signal to MCU202 in the 6th time span; Detecting that user during in waking state, sends waking state signal to MCU202 in the 7th time span.
MCU202, for sending the 5th control signal according to described shallow deep sleep status signal to energy supply control module 204; According to described deep sleep status signal, to energy supply control module 204, send the 6th control signal; According to described waking state signal, to energy supply control module, send the 7th control signal.
Energy supply control module 204, for stopping the part power consumption module power supply to described wearable device according to the 5th control signal control power supply 203; For stop all power consumption module power supplies to described wearable device according to the 6th control signal control power supply 203; For continue all power consumption module power supplies to described wearable device according to the 7th control signal control power supply 203.
Further, because each user's sleep habit is not identical, thereby user's sleep state also can be different, when sleeping state (catnaping), or be only in the situation of shut my eyes rest, exist great probability to continue to use these power consumption module.When deep sleep state, exist minimum probability to continue to use these power consumption module, therefore direct powered-down substantially.Therefore in another kind of preferred embodiment of the present invention, be also provided for detecting the dormant brain wave detection module of user in wearable device, wherein said brain wave detection module is connected with MCU.
In an embodiment of the present invention, brain wave detection module 207 is detecting that user during in sleeping state, sends sleeping state signal to MCU202 in the 5th time span; MCU202 sends the 5th control signal according to described shallow deep sleep status signal to energy supply control module 204, makes energy supply control module 204 control power supply 203 and stops to the part power consumption module power supply in described wearable device.
In an embodiment of the present invention, brain wave detection module 207 is detecting that user during in deep sleep state, sends deep sleep status signal to MCU202 in the 6th time span; MCU202 sends the 6th control signal according to described deep sleep status signal to energy supply control module 204, makes energy supply control module 204 control power supply 203 and stops to all power consumption module power supplies in described wearable device.
In an embodiment of the present invention, brain wave detection module 207 is detecting that user during in waking state, sends waking state signal to MCU202 in the 7th time span; Described MCU202 sends the 7th control signal according to described waking state signal to energy supply control module 204, makes described energy supply control module 204 control power supply 203 and continues to the power consumption module power supply in described wearable device.
As can be seen here, technical scheme provided by the invention is with respect to the low power consumption control method on traditional wearable device, its advantage is: the gyroscope of setting can stop providing clear and definite foundation to power consumption module power supply for whether controlling power supply, the signal that is gyroscope output does not change, MCU sends the first control signal to energy supply control module, stop, to power consumption module power supply, making wearable device enter low-power consumption mode.In addition, power consumption control method provided by the invention, also by human eye detection module is set, according to the open eyes duty of control wearable device of state or closed-eye state intelligence of people's sleep state, can accomplish energy conservation to greatest extent.Further, be provided for detecting the dormant brain wave detection module of user, according to people's sleep degree, the duty of control wearable device of intelligence, can accomplish the power consumption regulation and control of hommization.
In an embodiment of the present invention, brain wave detection module can select ThinkGear AM chip to connect dry electrode realization.
In a kind of specific embodiment of the present invention, selected gyroscope only need to be for detecting change in location and can being integrated into the miniature gyroscope in wearable device, and precision is not limit.Can be for example the BMI055 (gyroscope) of BOSCH company.
In the concrete enforcement of one of the present invention, selected human eye detection module can select minisize pick-up head carrying image processor dsp chip to catch and judge the active state (dsp chip that for example TMS320DM642 is integrated) of human eye, or with infrared eye (SI1141-A11-GMR SILICON LABS infrared sensor), surveys the active state of human eye.Or adopt EYE ID retina scanning recognition device.Also can adopt existing eye recognition platform
In a kind of specific embodiment of the present invention, selected MCU can be any processor satisfying condition.
In specific embodiments of the invention, at MCU202, after energy supply control module 204 sends the first control signal, enter low-power consumption mode.And the MCU202 in low-power consumption mode, when the signal that gyroscope 201 detected changes, enters mode of operation, and send the second control signal to energy supply control module 204.
In an embodiment of the present invention, wearable device can comprise: gyroscope, and human eye detection module, one or more in brain wave detection module.
Referring to described in Fig. 2 to Fig. 4, in the present invention for wearable device, be arranged on more than one of power consumption module 205 in this wearable device.Be exemplified as: power consumption module 205 comprises at least one in loudspeaker, display, communications module, touch chip, camera.
In an embodiment of the present invention, the power consumption module of 3 D active eyeglasses comprises: eyeglass, and the wireless modules such as bluetooth or wifi, the wireless modules such as bluetooth or wifi are communications module, eyeglass is display.
Fig. 5 is the circuit diagram of the energy supply control module in an embodiment of the present invention, shown in Figure 4, and described energy supply control module comprises: field effect transistor Q1, triode Q2, resistance R 1, capacitor C1 and filtering magnetic bead B22; Wherein,
The base stage of triode Q2 is connected with the signal output part P2 of described MCU, the grounded emitter of triode Q2, and the collector of triode Q2 is connected with the grid of field effect transistor Q1;
One end of resistance R 1 is connected with power output end P1, and the other end of resistance R 1 is connected with the collector of triode Q2;
The source electrode of field effect transistor Q1 is connected with power output end P1, and the drain electrode of field effect transistor Q1 is connected with one end of capacitor C1, the other end ground connection of capacitor C1;
The drain electrode of field effect transistor Q1 is connected with one end of filtering magnetic bead B22, and the other end of filtering magnetic bead B22 is connected with the power input P3 of power consumption module.
As shown in Figure 5, P1 port connects the Voltage-output of power supply, and P3 port connects power consumption module, and P2 port connects the control pin of MCU.When P2 port pinout is high level, triode Q2 conducting, is dragged down the grid level of field effect transistor Q1, field effect transistor Q1 conducting so, and P3 port has Voltage-output, and now power consumption module 205 is powered.When P2 port pinout level is when being low, triode Q2 cut-off, the grid voltage of field effect transistor Q1 be high so, field effect transistor Q1 ends so, P3 port Non voltage output.Now power consumption mode 205 is not powered.
Shown in Figure 5, capacitor C 1 is filter capacitor, and filtering magnetic bead B22 strobes.The concrete equal no requirement (NR) of model.Wherein, capacitor C 1 and the coefficient result of filtering magnetic bead B22, be to make the voltage of P3 output more stable.
In an embodiment of the present invention, field effect transistor Q1 is P channel MOS tube.
In an embodiment of the present invention, triode Q2 is digital triode.
In sum, technical scheme provided by the invention, whether MCU detects the gyrostatic output signal that is arranged on wearable device inside, according to the signal of output, change and judge whether this wearable device is kept in motion.Owing to being real-time to the detection of gyrostatic signal, therefore can judge timely the whether state in dressing of wearable device, and can be at wearable device not when dressing state, controlling power supply stops powering to power consumption module, and MCU also enters low-power consumption mode, further reduce the consumption to power supply.In addition,, also by human eye detection module is set, according to the open eyes duty of control wearable device of state or closed-eye state intelligence of people's sleep state, can accomplish energy conservation to greatest extent.Further, be provided for detecting the dormant brain wave detection module of user, according to people's sleep degree, the duty of control wearable device of intelligence, can accomplish the power consumption regulation and control of hommization.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.All any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a Poewr control method for wearable device, is characterized in that, the method comprises:
Miniature control module MCU detects the signal of the gyroscope output being arranged on wearable device in real time,
In very first time length, if detect that when the signal of described gyroscope output is unchanged, described MCU sends the first control signal to energy supply control module, energy supply control module control power supply is stopped to the power consumption module power supply in described wearable device; Wherein, described power consumption module is the power consumption module except MCU in described wearable device;
In the second time span after described power supply stops the power consumption module power supply in described wearable device, if detected when the signal of described gyroscope output changes, described MCU sends the second control signal to energy supply control module, and described energy supply control module control power supply continuation is powered to the power consumption module in described wearable device.
2. method according to claim 1, is characterized in that, the method further comprises:
Be provided for detecting the whether human eye detection module in closed-eye state of human eye;
Described human eye detection module is detecting that human eye during in closed-eye state, sends closed-eye state signal to MCU in the 3rd time span; Described MCU sends the 3rd control signal according to described closed-eye state signal to energy supply control module, and energy supply control module control power supply is stopped to the power consumption module power supply in described wearable device;
Described human eye detection module detect human eye in the 4th time span when opening eyes state, to MCU, send the status signal of opening eyes; The status signal of opening eyes described in described MCU basis sends the 4th control signal to energy supply control module, and described energy supply control module control power supply continuation is powered to the power consumption module in described wearable device;
Wherein, described power consumption module is the power consumption module except MCU in described wearable device.
3. method according to claim 1 and 2, is characterized in that, described power consumption module comprises at least one in loudspeaker, display, communications module, touch chip, camera.
4. method according to claim 3, is characterized in that, the method further comprises:
Be provided for detecting the dormant brain wave detection module of user;
Described brain wave detection module is detecting that user during in sleeping state, sends sleeping state signal to MCU in the 5th time span; Described MCU sends the 5th control signal according to described shallow deep sleep status signal to energy supply control module, and energy supply control module control power supply is stopped to the part power consumption module power supply in described wearable device;
Described brain wave detection module is detecting that user during in deep sleep state, sends deep sleep status signal to MCU in the 6th time span; Described MCU sends the 6th control signal according to described deep sleep status signal to energy supply control module, and energy supply control module control power supply is stopped to all power consumption module power supplies in described wearable device;
Described brain wave detection module is detecting that user during in waking state, sends waking state signal to MCU in the 7th time span; Described MCU sends the 7th control signal according to described waking state signal to energy supply control module, and described energy supply control module control power supply continuation is powered to the power consumption module in described wearable device.
5. an output control device for wearable device, is characterized in that, this device comprises:
Power supply, MCU, gyroscope, energy supply control module and power consumption module;
Described gyrostatic signal output port is connected with the input port of described MCU, and the signal input port of described energy supply control module is connected with the control signal output port of described MCU; The power input mouth of described power consumption module is connected with described power supply; Wherein,
Described MCU, for detecting in real time the signal of gyroscope output, the signal that described gyroscope output detected in very first time length is unchanged, to energy supply control module, send the first control signal, in the second time span stopping after the power supply of described power consumption module, detect when signal that described gyroscope is exported changes, to energy supply control module, send the second control signal
Energy supply control module, stops to described power consumption module power supply for the first control signal control power supply sending according to MCU; The the second control signal control power supply continuation sending according to MCU is powered to the power consumption module in described wearable device.
6. device according to claim 5, is characterized in that, this device further comprises: human eye detection module, and described human eye detection module is connected with described MCU;
Described human eye detection module, for detecting that human eye sends closed-eye state signal to MCU during in closed-eye state in the 3rd time span, is detecting that human eye sends to MCU the status signal of opening eyes in the 4th time span when opening eyes state;
Described MCU, for sending the 3rd control signal according to described closed-eye state signal to energy supply control module, sends the 4th control signal according to the described status signal of opening eyes to energy supply control module;
Described energy supply control module, for stopping the power consumption module power supply to described wearable device according to the 3rd control signal control power supply; For continue the power consumption module power supply to described wearable device according to the 4th control signal control power supply.
7. according to the device described in claim 5 or 6, it is characterized in that, described power consumption module comprises at least one in loudspeaker, display, communications module, touch chip, camera.
8. device according to claim 7, is characterized in that, this device further comprises: brain wave detection module, and described brain wave detection module is connected with described MCU;
Described brain wave detection module, for detecting that user is in the 5th time span during in sleeping state, to MCU, send sleeping state signal, detecting that user is in the 6th time span during in deep sleep state, to MCU, send deep sleep status signal, detecting that user during in waking state, sends waking state signal to MCU in the 7th time span;
Described MCU, for sending the 5th control signal according to described shallow deep sleep status signal to energy supply control module, according to described deep sleep status signal, to energy supply control module, send the 6th control signal, according to described waking state signal, to energy supply control module, send the 7th control signal;
Described energy supply control module, for stopping the part power consumption module power supply to described wearable device according to the 5th control signal control power supply; For stop all power consumption module power supplies to described wearable device according to the 6th control signal control power supply; For continue all power consumption module power supplies to described wearable device according to the 7th control signal control power supply.
9. device according to claim 5, is characterized in that, described energy supply control module comprises: field effect transistor, triode, resistance, capacitor and filtering magnetic bead; Wherein,
The base stage of described triode is connected with the signal output part of described MCU, the grounded emitter of described triode, and the collector of described triode is connected with the grid of described field effect transistor;
One end of described resistance is connected with power output end, and the other end of described resistance is connected with the collector of described triode;
The source electrode of described field effect transistor is connected with power output end, and the drain electrode of described field effect transistor is connected with one end of described capacitor, the other end ground connection of described capacitor;
The drain electrode of described field effect transistor is connected with one end of filtering magnetic bead, and the other end of described filtering magnetic bead is connected with the power input of power consumption module.
10. device according to claim 7, is characterized in that, described field effect transistor is P channel MOS tube; Described triode is digital triode.
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