The content of the invention
In view of this, the embodiment of the present invention provides a kind of mobile terminal and its falling protection method, for solving existing skill
When mobile terminal falls, short circuit may occur for circuit in art, and the technology for causing mobile terminal circuit mainboard to be damaged is asked
Topic.
In a first aspect, the embodiment of the present invention provides a kind of mobile terminal, including:Sensing unit, processing unit and switch control
Unit processed;
The sensing unit is connected with the processing unit, and the sensing unit is used to detect mobile terminal in real time in gravity
Acceleration information on direction, and the acceleration information is exported to the processing unit;
The processing unit is connected with the switch control unit, and the processing unit is used in described acceleration information etc.
When acceleration of gravity, trigger signal is exported to the switch control unit;
The switch control unit is connected between the battery and circuit main board of the mobile terminal, and the switch control is single
Member is used to cut off power supply of the battery to the circuit main board according to the trigger signal.
In such scheme, fall due to judging that mobile terminal is in the acceleration information detected by sensing unit
When falling state, power supply of the battery to circuit main board will be switched by switch control unit, so as to avoid mobile terminal because falling
Collide and cause circuit that the phenomenon of short circuit occurs, circuit main board is effectively protected.
In a kind of possible implementation, the mobile terminal also includes memory cell, the memory cell and described
Processing unit connects, and the memory cell is used for when the acceleration information is equal to acceleration of gravity, to the mobile terminal
The data of middle operation are stored.
In this programme, processing unit judge mobile terminal be in fall state when, will control memory cell to move
The data run in dynamic terminal are stored, it is possible thereby to which the personal data that user is effectively ensured are not lost, so as to carry
The experience of high user.
In a kind of possible implementation, the sensing unit includes 3-axis acceleration sensor.
In a kind of possible implementation, the processing unit includes central processing unit (Central Processing
Unit;) or microprogram control unit (Microprogrammed Control Unit CPU;MCU).
In a kind of possible implementation, the switch control unit includes transistor switching circuit.
In a kind of possible implementation, the base stage of triode connects with switch control unit, the colelctor electrode of triode
Connected with battery, the emitter stage of triode connects with circuit main board.
In a kind of possible implementation, the trigger signal is high trigger signal or low level trigger signal.
In a kind of possible implementation, the processing unit passes through universal input/output GPIO mouths and the switch
The controlled end electrical connection of control unit.
Second aspect, the embodiment of the present invention provide a kind of mobile terminal falling protection method, including:
Acceleration information of the detection mobile terminal on gravity direction in real time;
Judge whether the acceleration information is equal to acceleration of gravity;
If the acceleration information is equal to acceleration of gravity, power supply of the cut-out battery to circuit main board in mobile terminal.
In this programme, judge that it is in by the acceleration information of gravity direction due to mobile terminal and fall state
When, power supply of the battery to circuit main board in mobile terminal will be switched, so as to effectively prevent when mobile terminal falls, due to
Clash and make it that the phenomenon of short circuit occurs for circuit, it is possible thereby to which effectively protection circuit mainboard is without damage.
In a kind of possible implementation, before power supply of the cut-out battery to circuit main board in mobile terminal, institute
Stating method also includes:
The data run in the mobile terminal are stored;
After the completion of the data storage is detected, step of the cut-out battery to the power supply of circuit main board in mobile terminal is performed
Suddenly.
In this programme, when mobile terminal judges that the acceleration information of gravity direction is equal to acceleration of gravity, that is, move
Terminal will preserve in when falling state to the data run in mobile terminal, and is preserved in data and finish and then hold
Row cut-out battery is to the step of the power supply of circuit main board, can so ensure to be effectively ensured the individual of user in mobile terminal
Data are not lost, so as to improve the experience of user.
In a kind of possible implementation, acceleration information of the mobile terminal of detection in real time on gravity direction,
Including:
The acceleration information is detected by the 3-axis acceleration in the mobile terminal in real time.
Mobile terminal and its falling protection method provided in an embodiment of the present invention, including sensing unit, processing unit and open
Control unit is closed, wherein, sensing unit is connected with processing unit, and sensing unit is used to detect mobile terminal in real time in gravity direction
On acceleration information, and acceleration information is exported to processing unit, the processing unit is connected with switch control unit, processing
Unit is used for when acceleration information is equal to acceleration of gravity, and trigger signal, switch control unit are exported to switch control unit
It is connected between the battery of mobile terminal and circuit main board, the switch control unit is used to cut off battery to electricity according to trigger signal
The power supply of road mainboard, fall state due to judging that mobile terminal is in the acceleration information detected by sensing unit
When, power supply of the battery to circuit main board will be switched by switch control unit, touched so as to avoid mobile terminal because falling
Hit and cause circuit that the phenomenon of short circuit occurs, circuit main board is effectively protected.
Term " first ", " second ", " the 3rd " in description and claims of this specification and above-mentioned accompanying drawing, "
The (if present)s such as four " are for distinguishing similar object, without for describing specific order or precedence.It should manage
The data that solution so uses can exchange in the appropriate case, so as to embodiments of the invention described herein, such as can be with
Order in addition to those for illustrating or describing herein is implemented.In addition, term " comprising " and " having " and their times
What deform, it is intended that cover it is non-exclusive include, for example, contain the process of series of steps or unit, method, system,
Product or equipment are not necessarily limited to those steps clearly listed or unit, but may include not list clearly or for
The intrinsic other steps of these processes, method, product or equipment or unit.
The present embodiments relate to mobile terminal and its falling protection method, be primarily directed to mobile terminal occur
Short circuit may occur for circuit when falling, the technical problem for causing mobile terminal circuit mainboard to be damaged.In the prior art, due to
The connector such as cost reason, LCD FPC, USB or charhing unit in mobile terminal designs without gluing process, so, is moving
When dynamic terminal is fallen, it may be such that short circuit occurs for the circuit of inside.
Therefore, mobile terminal and its falling protection method provided in an embodiment of the present invention, it is intended to which solution exists in the prior art
Short circuit may occur for circuit when mobile terminal falls, the technical problem for causing mobile terminal circuit mainboard to be damaged.
Technical scheme is described in detail with specifically embodiment below.These specific implementations below
Example can be combined with each other, and may be repeated no more for same or analogous concept or process in some embodiments.
Fig. 1 is the structural representation of mobile terminal embodiment one provided in an embodiment of the present invention.It is as shown in figure 1, mobile whole
End includes sensing unit 11, processing unit 12 and switch control unit 13;Wherein, sensing unit 11 is connected with processing unit 12,
Sensing unit 11 is used to detect acceleration information of the mobile terminal on gravity direction in real time, and acceleration information is exported to place
Manage unit 12;Processing unit 12 is connected with switch control unit 13, and processing unit 12 is used to equal to gravity add in acceleration information
During speed, trigger signal is exported to switch control unit 13;Switch control unit 13 is connected to the battery 15 and electricity of mobile terminal
Between road mainboard 14, switch control unit 13 is used to cut off power supply of the battery 15 to circuit main board 14 according to trigger signal.
Specifically, when user falls mobile terminal because of improper use, the sensing unit 11 in mobile terminal can
To detect acceleration information of the mobile terminal on gravity direction, and the acceleration information detected is exported to being connected thereto
Processing unit 12 in, wherein, can be wired connection between sensing unit 11 and processing unit 12, or wirelessly connect
Connect.
After acceleration information of the processing unit 12 on gravity direction is received, it will determine that whether the acceleration information is equal to
Acceleration of gravity, if being equal to acceleration of gravity, illustrate that mobile terminal is now in falling state, then processing unit 12 will be to switch
Control unit 13 exports trigger signal.Alternatively, the acceleration information that processing unit 12 can also be on gravity direction be received
Afterwards, according to the acceleration information and the drop-out time of mobile terminal, the speed of falling of mobile terminal is calculated, and it is big falling speed
When predetermined threshold value, trigger signal is exported to switch control unit 13, for example, can when falling speed and being more than 10m/s, then to
Switch control unit 13 exports trigger signal etc..
During mobile terminal normal use, switch control unit 13 is not received by touching for the output of processing unit 12
During signalling, switch control unit 13 is in the conduction state, to ensure that supplying cell 15 can be supplied circuit main board 14
Electricity, fall state when mobile terminal is in, when switch control unit 13 receives the trigger signal of the output of processing unit 12, switch
Control unit 13 will be off, mobile whole so as to prevent to cut off power supply of the battery 15 to circuit mainboard 14
End can cause the phenomenon of short circuit when falling.
In addition, battery is such as can be lithium ion battery or Ni-MH battery.
Mobile terminal provided in an embodiment of the present invention, including sensing unit, processing unit and switch control unit, wherein,
Sensing unit is connected with processing unit, and sensing unit is used to detect acceleration information of the mobile terminal on gravity direction in real time,
And export acceleration information to processing unit, the processing unit is connected with switch control unit, and processing unit is used to accelerate
When degrees of data is equal to acceleration of gravity, trigger signal is exported to switch control unit, switch control unit is connected to mobile terminal
Battery and circuit main board between, the switch control unit is used to cut off power supply of the battery to circuit main board according to trigger signal,
Due to judge in the acceleration information detected by sensing unit mobile terminal be in fall state when, will pass through switch control
Power supply of the unit switching battery processed to circuit main board, causes circuit so as to avoid mobile terminal because falling and colliding
The phenomenon of short circuit, makes circuit main board be effectively protected.
Fig. 2 is the structural representation of mobile terminal embodiment two provided in an embodiment of the present invention.As shown in Fig. 2 in Fig. 1 institutes
On the basis of showing embodiment, mobile terminal also includes memory cell 16, and memory cell 16 and processing unit 12 connect, memory cell
16 are used for when acceleration information is equal to acceleration of gravity, and the data run in mobile terminal are stored.
Specifically, when processing unit 12 judges that acceleration information is equal to acceleration of gravity, i.e. mobile terminal is in and fallen
During state, processing unit 12 will control memory cell 16 to preserve the data run in mobile terminal, in processing unit 12
After detecting that memory cell 16 finishes data preservation, trigger signal will be exported to switch control unit 13, so that switch is controlled
Unit 13 processed cuts off power supply of the battery 15 to circuit main board 14.
In addition, memory cell 16 can be memory, such as random access memory (random access memory;
RAM), read-only storage (Read-Only Memory;) or SD card etc. ROM.
Mobile terminal provided in an embodiment of the present invention, including sensing unit, processing unit and switch control unit, wherein,
Sensing unit is connected with processing unit, and sensing unit is used to detect acceleration information of the mobile terminal on gravity direction in real time,
And export acceleration information to processing unit, the processing unit is connected with switch control unit, and processing unit is used to accelerate
When degrees of data is equal to acceleration of gravity, trigger signal is exported to switch control unit, switch control unit is connected to mobile terminal
Battery and circuit main board between, the switch control unit is used to cut off power supply of the battery to circuit main board according to trigger signal,
Due to judge in the acceleration information detected by sensing unit mobile terminal be in fall state when, will pass through switch control
Power supply of the unit switching battery processed to circuit main board, causes circuit so as to avoid mobile terminal because falling and colliding
The phenomenon of short circuit, makes circuit main board be effectively protected.In addition, judging that mobile terminal is in processing unit falls state
When, control memory cell is stored to the data run in mobile terminal, it is possible thereby to which the individual number of user is effectively ensured
According to not being lost, so as to improve the experience of user.
Alternatively, sensing unit 11 includes 3-axis acceleration sensor.
Specifically, 3-axis acceleration sensor is that the general principle based on acceleration is operated, and is not known in advance
Under the occasion of the direction of motion of mobile terminal, positive and negative 90 degree or twin shaft 0- of twin shaft can be realized by 3-axis acceleration sensor
The measurement at 360 degree of inclination angle, to obtain the acceleration information on gravity direction, i.e., the acceleration information on vertical direction, so as to
Processing unit 12 is judged whether mobile terminal is in and fall state.Due to obtaining gravity side by 3-axis acceleration sensor
Upward acceleration information, it is possible thereby to improve the accuracy of acceleration information acquisition.
Alternatively, processing unit 12 includes central processing unit (Central Processing Unit;) or microprogram CPU
Controller (Microprogrammed Control Unit;MCU).
Specifically, after acceleration information of the sensing unit 11 on gravity direction is detected, pass data to CPU or
MCU, judge whether acceleration information is equal to acceleration of gravity by CPU or MCU, and when equal to acceleration of gravity, controlled to switch
Unit 13 processed exports trigger signal, it is possible thereby to improve the efficiency of data processing.
In addition, processing unit 12 can be made up of integrated circuit (Integrated Circuit, abbreviation IC), such as can be with
It is made up of, can also be formed by connecting the encapsulation IC of more identical functions or difference in functionality the IC of single encapsulation.Citing comes
Say, processing unit 12 can only include CPU or MCU or graphics processor (Graphic Processing Unit;
GPU), digital signal processor (Digital Signal Processor;DSP) and in communication unit control chip (such as
Baseband chip) combination.In embodiments of the present invention, CPU can be single arithmetic core, can also include multioperation core.
Alternatively, switch control unit 13 includes transistor switching circuit.
Specifically, processing unit 12 to the trigger signal that switch control unit 13 exports can be high trigger signal,
And switch control unit 13 is then that can trigger its power supply of cut-out battery to circuit main board when it receives a high level signal
On-off circuit, such as transistor switching circuit.In normal state, as long as that is, transistor switching circuit does not receive high level
Trigger signal, transistor switching circuit is conducting, to ensure that battery is powered to circuit main board.When triode switch electricity
When road receives a high level signal, it will turn off, now, you can power supply of the cut-out battery to circuit main board.
Need to illustrate, trigger signal can also be low level trigger signal or other signals, and switch controls
Unit 13 can also be other circuit forms, such as can also be metal-oxide semiconductor (MOS) (Metal Oxide
Semiconductor;MOS) pipe on-off circuit etc., as long as can guarantee that when not receiving trigger signal, switch control unit 13
Conducting, ensure that battery can be powered to circuit main board, and when receiving trigger signal, switch control unit 13 turns off,
Ensure power supply of the cut-out battery to circuit main board, therefore, to trigger signal and switch control unit in the embodiment of the present invention
13 concrete form is not construed as limiting.
Alternatively, the base stage of transistor switching circuit connects with processing unit, the colelctor electrode and electricity of transistor switching circuit
Pond connects, and the emitter stage of transistor switching circuit connects with circuit main board.
Specifically, if processing unit 12 does not send trigger signal to the base stage of transistor switching circuit, triode switch
The collector and emitter of circuit is by saturation conduction, and now, battery will be powered to circuit main board, when processing unit 12 to
When the base stage of transistor switching circuit sends trigger signal, the collector and emitter of transistor switching circuit can be caused to end,
Now, battery will not be powered to circuit main board.
Alternatively, on the basis of the various embodiments described above, processing unit 12 passes through universal input/output (General
Purpose Input Output;GPIO) controlled end of mouth and switch control unit electrically connects.
Specifically, processing unit 12 can be by GPIO mouth controlling switches control unit 13, such as when processing unit 12 judges
When going out acceleration information and being equal to acceleration of gravity, trigger signal is sent to switch control unit 13 by GPIO mouths, opened with control
Close control unit 13 and cut off power supply of the battery 15 to circuit main board 14.
Mobile terminal provided in an embodiment of the present invention, including sensing unit, processing unit and switch control unit, wherein,
Sensing unit is connected with processing unit, and sensing unit is used to detect acceleration information of the mobile terminal on gravity direction in real time,
And export acceleration information to processing unit, the processing unit is connected with switch control unit, and processing unit is used to accelerate
When degrees of data is equal to acceleration of gravity, trigger signal is exported to switch control unit, switch control unit is connected to mobile terminal
Battery and circuit main board between, the switch control unit is used to cut off power supply of the battery to circuit main board according to trigger signal,
Due to judge in the acceleration information detected by sensing unit mobile terminal be in fall state when, will pass through switch control
Power supply of the unit switching battery processed to circuit main board, causes circuit so as to avoid mobile terminal because falling and colliding
The phenomenon of short circuit, makes circuit main board be effectively protected.
Fig. 3 is the schematic flow sheet of mobile terminal falling protection method embodiment one provided in an embodiment of the present invention.This hair
Bright embodiment provides a kind of mobile terminal falling protection method, and this method can be by arbitrarily performing mobile terminal fall protection side
The device of method performs, and the device can pass through software and/or hardware is realized.In the present embodiment, the device can be integrated in shifting
In dynamic terminal.As shown in figure 3, the method for the present embodiment can include:
Step 301, in real time acceleration information of the detection mobile terminal on gravity direction.
In the present embodiment, mobile terminal is such as can be mobile phone, tablet personal computer or wearable device.Mobile terminal can
To detect its acceleration information on gravity direction in real time by sensing unit, i.e., the acceleration information on vertical direction, with
Judge whether to be in and fall state.In a kind of possible implementation, mobile terminal can be examined in real time by 3-axis acceleration
Measuring acceleration data, certainly, mobile terminal can also detect acceleration information, such as acceleration of gravity by other sensors.
Step 302, judge whether acceleration information is equal to acceleration of gravity.
In the present embodiment, when mobile terminal falls, it will usually the movement of falling object occurs, therefore, judges mobile whole
Whether end, can be by determining whether acceleration of the mobile terminal on gravity direction is equal to acceleration of gravity in state is fallen
To determine.
If step 303, acceleration information are equal to acceleration of gravity, confession of the cut-out battery to circuit main board in mobile terminal
Electricity.
In the present embodiment, when the acceleration information for judging gravity direction is equal to acceleration of gravity, illustrate mobile whole
End is now in falling state, in order to ensure that short circuit will not occur for the circuit of mobile terminal, then will cut off battery to mobile terminal
The power supply of middle circuit main board, so as to prevent mobile terminal when falling, make it that short circuit occurs for circuit due to clashing,
Damage the phenomenon of circuit main board.
Mobile terminal falling protection method provided in an embodiment of the present invention, mobile terminal are existed by detecting mobile terminal in real time
Acceleration information on gravity direction, and judge whether acceleration information is equal to acceleration of gravity, if acceleration information is equal to weight
Power acceleration, then cut off power supply of the battery to circuit main board in mobile terminal.The acceleration for passing through gravity direction due to mobile terminal
Degrees of data judges that it, in when falling state, will switch power supply of the battery to circuit main board in mobile terminal, so as to have
Effect is prevented when mobile terminal falls, and make it that the phenomenon of short circuit occurs for circuit due to clashing, it is possible thereby to effectively
Protection circuit mainboard is without damage.
Alternatively, on the basis of embodiment illustrated in fig. 3, cut-out battery to mobile terminal in circuit main board power supply it
Before, this method also includes:The data run in mobile terminal are stored, after the completion of data storage is detected, execution is cut
Pond is powered off in mobile terminal the step of the power supply of circuit main board.
Specifically, when mobile terminal judges that the acceleration information of gravity direction is equal to acceleration of gravity, i.e. mobile terminal
In when falling state, the data run in mobile terminal will be preserved, and preserve to finish and then perform in data and cut
Power-off pond is not lost by the personal data that user the step of the power supply of circuit main board, can so be effectively ensured in mobile terminal
Lose, so as to improve the experience of user.
Mobile terminal falling protection method provided in an embodiment of the present invention, will be right when mobile terminal, which is in, falls state
The data run in mobile terminal are preserved, and are preserved in data and finished and then cut off power supply of the battery to circuit main board,
The personal data that user can so be effectively ensured are not lost.
Finally it should be noted that:Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations;To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that:Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution;And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.