CN104427092A - Automatic shutdown method and device for mobile terminal and mobile terminal - Google Patents
Automatic shutdown method and device for mobile terminal and mobile terminal Download PDFInfo
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- CN104427092A CN104427092A CN201310370362.5A CN201310370362A CN104427092A CN 104427092 A CN104427092 A CN 104427092A CN 201310370362 A CN201310370362 A CN 201310370362A CN 104427092 A CN104427092 A CN 104427092A
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- 230000001133 acceleration Effects 0.000 claims abstract description 108
- 230000005484 gravity Effects 0.000 claims abstract description 28
- 238000004364 calculation method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
- H04W52/0254—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity detecting a user operation or a tactile contact or a motion of the device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses an automatic shutdown method and device for a mobile terminal and the mobile terminal. The automatic shutdown method for the mobile terminal comprises the following steps: receiving an instantaneous acceleration value of the mobile terminal in a vertical direction detected by a gravity sensor in real time; judging whether the received instantaneous acceleration value is greater than or equal to a preset acceleration threshold or not; and if the instantaneous acceleration value is greater than or equal to the preset acceleration threshold, sending a shutdown command to a hard shutdown circuit module to cut off a power supply of the mobile terminal. According to the automatic shutdown method for the mobile terminal disclosed by the invention, the specialized hard shutdown circuit module is arranged, and the shutdown command is sent to the hard shutdown circuit module to cut off the power supply of the mobile terminal, so that the aim of instantaneously cutting off the power supply of the mobile terminal at a shutdown point is fulfilled. The hardware and software of a mobile phone are protected through cutting off of the power supply.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an automatic shutdown method and apparatus for a mobile terminal, and a mobile terminal.
Background
With the rapid development of information technology, multimedia products are becoming more and more closely connected with the lives of people, and the multimedia products have become an indispensable part of daily life. With the increasing application rate of multimedia products, the multimedia products have more and more emergencies in various environments, wherein the accidents caused by the falling of the products to cause failures are the most common.
At present, in the method for protecting the falling of the traditional multimedia products such as MP3, MP4 and the like, the existing protection scheme is mainly considered from the aspects of raw material selection, engineering mechanical structure design and the like so as to protect the products perfectly. For example, when the multimedia product falls, the outer shell of the multimedia product is disassembled to disperse the stress of the multimedia product, so that the impact damage influence of external force on the multimedia product is reduced. In addition, some of the multimedia products adopt proper soft stress buffering materials to reduce the impact force when falling for key stress parts after falling from the aspect of selecting and using hardware materials. However, these methods all have one major drawback: in the falling process of the multimedia product, if the multimedia product is in a starting operation state, software and hardware of the multimedia product are always in an operation state, and when a software program runs, access control is carried out on an I/O port of a ROM/RAM. When a multimedia product falls and is impacted and collided by serious external force, errors can be generated on the accessed input/output control equipment and programs, so that a hardware chip is damaged or software is halted, and even after the execution of a Boot solidified bootstrap program is damaged, system software cannot be recovered even after being restarted. In addition, after the electronic components are seriously dropped and collided during live operation, the electronic components can be directly damaged and cannot continue to work.
Disclosure of Invention
The invention mainly aims to provide a method and a device for automatically shutting down a mobile terminal and the mobile terminal, and aims to automatically cut off a power supply when the mobile terminal falls down by measuring gravity acceleration so as to protect the mobile terminal.
In order to achieve the above object, the present invention provides an automatic shutdown method for a mobile terminal, comprising the following steps:
receiving an instantaneous acceleration value of the mobile terminal in the vertical direction, which is detected by a gravity sensor in real time;
judging whether the received instantaneous acceleration value is greater than or equal to a preset acceleration threshold value or not;
and if the instantaneous acceleration value is greater than or equal to the preset acceleration threshold value, sending a shutdown instruction to a hard shutdown circuit module to cut off the power supply of the mobile terminal.
Preferably, the step of determining whether the received instantaneous acceleration value is greater than or equal to a preset acceleration threshold further includes:
if the instantaneous acceleration value is larger than or equal to the preset acceleration threshold value, receiving an instantaneous speed value of the mobile terminal in the vertical direction, which is detected by a speed sensor in real time;
and when the received instant speed value is greater than or equal to a preset speed threshold value, sending a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal.
Preferably, after the step of receiving the instantaneous speed value of the mobile terminal in the vertical direction detected by the speed sensor in real time, the method further includes:
calculating a falling distance parameter or a falling time parameter of the mobile terminal in the vertical direction according to the received instantaneous speed value;
and when the falling distance parameter is greater than or equal to a preset distance threshold value or the falling time parameter is greater than or equal to a preset time threshold value, sending a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal.
Preferably, after the step of sending a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal when the drop distance parameter is greater than or equal to a preset distance threshold or the drop time parameter is greater than or equal to a preset time threshold, the method further includes:
storing an instant speed value of the mobile terminal in the vertical direction at the instant of landing;
calculating and storing a falling distance parameter and a falling time parameter of the mobile terminal in the vertical direction at the moment of landing according to the instant speed value;
and respectively updating the preset speed threshold, the preset distance threshold and the preset time threshold according to the stored instantaneous speed value, the stored falling distance parameter and the stored falling time parameter at the moment of falling.
The invention also provides an automatic shutdown device of the mobile terminal, which comprises:
the receiving module is used for receiving the instantaneous acceleration value of the mobile terminal in the vertical direction, which is detected by the gravity sensor in real time;
the judging module is used for judging whether the received instantaneous acceleration value is greater than or equal to a preset acceleration threshold value or not;
and the control module is used for sending a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal when the instantaneous acceleration value is greater than or equal to the preset acceleration threshold value.
Preferably, the receiving module is further configured to receive an instantaneous speed value of the mobile terminal in the vertical direction, which is detected by a speed sensor in real time, when the instantaneous acceleration value is greater than or equal to the preset acceleration threshold;
the control module is further configured to send a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal when the received instantaneous speed value is greater than or equal to a preset speed threshold.
Preferably, the automatic shutdown apparatus of a mobile terminal further includes:
the first calculation module is used for calculating a falling distance parameter or a falling time parameter of the mobile terminal in the vertical direction according to the received instantaneous speed value;
the control module is further configured to send a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal when the falling distance parameter is greater than or equal to a preset distance threshold or the falling time parameter is greater than or equal to a preset time threshold.
Preferably, the automatic shutdown apparatus of a mobile terminal further includes:
the storage module is used for storing an instant speed value of the mobile terminal in the vertical direction at the moment of landing;
the second calculation module is used for calculating and storing a falling distance parameter and a falling time parameter of the mobile terminal in the vertical direction at the moment of landing according to the instant speed value;
and the updating module is used for respectively updating the preset speed threshold, the preset distance threshold and the preset time threshold according to the stored instantaneous speed value, the stored falling distance parameter and the stored falling time parameter at the moment of falling to the ground.
The invention further provides a mobile terminal, which comprises an automatic shutdown device of the mobile terminal, a gravity sensor, a pressure sensor and a hard shutdown circuit module, wherein the gravity sensor, the pressure sensor and the hard shutdown circuit module are all electrically connected with the automatic shutdown device of the mobile terminal; wherein,
the automatic shutdown device of the mobile terminal comprises:
the receiving module is used for receiving the instantaneous acceleration value of the mobile terminal in the vertical direction, which is detected by the gravity sensor in real time;
the judging module is used for judging whether the received instantaneous acceleration value is greater than or equal to a preset acceleration threshold value or not;
and the control module is used for sending a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal when the instantaneous acceleration value is greater than or equal to the preset acceleration threshold value.
The invention provides an automatic shutdown method of a mobile terminal, which comprises the steps of receiving an instantaneous acceleration value of the mobile terminal in the vertical direction detected by a gravity sensor in real time, judging whether the received instantaneous acceleration value is greater than or equal to a preset acceleration threshold value, and indicating that the mobile terminal is in a falling state when the instantaneous acceleration value is greater than or equal to the preset acceleration threshold value. In addition, when the mobile phone is started and operated, if the mobile phone falls into water, the starting operation accelerates the damage speed of components, and the automatic shutdown method of the mobile terminal cuts off the power supply before the mobile phone falls into water, so that the damage of the mobile phone caused by the water inflow is minimized.
Drawings
Fig. 1 is a flowchart illustrating an automatic shutdown method of a mobile terminal according to a first embodiment of the present invention;
fig. 2 is a flowchart illustrating an automatic shutdown method of a mobile terminal according to a second embodiment of the present invention;
fig. 3 is a flowchart illustrating an automatic shutdown method of a mobile terminal according to a third embodiment of the present invention;
fig. 4 is a flowchart illustrating an automatic shutdown method of a mobile terminal according to a fourth embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an automatic shutdown device of a mobile terminal according to a first embodiment of the present invention;
fig. 6 is a schematic structural diagram of an automatic shutdown device of a mobile terminal according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of an automatic shutdown device of a mobile terminal according to a third embodiment of the present invention;
fig. 8 is a schematic structural diagram of a mobile terminal according to a preferred embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides an automatic shutdown method of a mobile terminal.
Referring to fig. 1, fig. 1 is a flowchart illustrating an automatic shutdown method of a mobile terminal according to a first embodiment of the present invention.
The invention provides a first embodiment of an automatic shutdown method of a mobile terminal. In this embodiment, the method for automatically powering off the mobile terminal includes the following steps:
step S10, receiving the instantaneous acceleration value of the mobile terminal in the vertical direction detected by the gravity sensor in real time;
the mobile terminal mentioned in the present invention may be a mobile phone, an MP3, an MP4, a remote controller, a computer, etc., which is not limited in the present invention. In order to better explain the principle of the automatic power-off method of the mobile terminal, the embodiment takes a mobile phone as an example for specific description.
Step S20, judging whether the received instantaneous acceleration value is larger than or equal to a preset acceleration threshold value; if the instantaneous acceleration value is greater than or equal to the preset acceleration threshold, executing step S30; if the instantaneous acceleration value is smaller than the preset acceleration threshold, executing step S40.
Specifically, the preset acceleration threshold may be preset in advance, or may be manually input by a general user. The preset acceleration threshold theoretically prefers the local gravitational acceleration value of the mobile phone. Because the gravity acceleration values of all regions are slightly different, a built-in module can be arranged in the mobile phone, and a user inputs the region where the mobile phone is located and then inquires the gravity acceleration value corresponding to the region in a preset database. Or the mobile phone is positioned through GPRS and then the network acquires the gravity acceleration value corresponding to the area. And when the received instantaneous acceleration value is larger than or equal to the preset acceleration threshold value, the mobile phone is in a falling state.
In addition, it should be noted that, when the mobile phone is in a falling state, the measured instantaneous acceleration value of the mobile phone should be theoretically equal to the local gravitational acceleration value, but because of the measurement error or the slight difference of the gravitational acceleration values of the mobile phone in different places, the condition that whether the mobile phone falls is determined by using the instantaneous acceleration value greater than or equal to the gravitational acceleration value. After the mobile phone is measured for many times by the gravity sensor, the preset acceleration threshold value can be updated, so that the process of judging whether the mobile phone is in a falling state is more accurate.
Step S30, sending a shutdown instruction to the hard shutdown circuit module to cut off the power of the mobile terminal.
And step S40, controlling the mobile terminal to normally operate.
When the instantaneous acceleration value is smaller than the preset acceleration threshold value, the time from the moment when the mobile phone just falls to the moment when the mobile phone contacts the ground, namely the time when the mobile phone performs free-falling motion, can be displayed through a display device of the mobile phone.
The hard shutdown circuit module can realize the instant hard power-down shutdown of the mobile phone, and achieves the same effect as the removal of the mobile phone battery. In this embodiment, the hard-shutdown circuit module is electrically connected to the power module of the mobile phone, so as to directly control the power to be turned off. The hard power-down shutdown is different from the soft shutdown when a power key of the mobile phone is pressed, the soft shutdown consumes long time, and after a soft shutdown instruction is sent, the mobile phone is not completely shut down and falls to the ground, so that the purpose of protecting the mobile phone cannot be achieved.
The method for automatically shutting down the mobile terminal, provided by the embodiment, includes the steps of receiving an instantaneous acceleration value of the mobile terminal in the vertical direction, which is detected by a gravity sensor in real time, judging whether the received instantaneous acceleration value is larger than or equal to a preset acceleration threshold value, and when the instantaneous acceleration value is larger than or equal to the preset acceleration threshold value, indicating that the mobile phone is in a falling state. In addition, when the mobile phone is started and operated, if the mobile phone falls into water, the starting operation accelerates the damage speed of components, and the automatic shutdown method of the mobile terminal cuts off the power supply before the mobile phone falls into water, so that the damage of the mobile phone caused by the water inflow is minimized.
Referring to fig. 2, fig. 2 is a flowchart illustrating an automatic shutdown method of a mobile terminal according to a second embodiment of the present invention.
The invention provides a second embodiment of an automatic shutdown method of a mobile terminal. The present embodiment is different from the first embodiment described above in that after step S20, when it is determined that the instantaneous acceleration value is greater than or equal to the preset acceleration threshold value, step S50 is executed; after step S50 is executed, step S60 is continued.
Step S50, receiving the instantaneous speed value of the mobile terminal in the vertical direction detected by the speed sensor in real time;
and step S60, when the received instantaneous speed value is greater than or equal to a preset speed threshold, sending a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal.
When the instantaneous acceleration value v is judged to be larger than or equal to the preset acceleration threshold value, the mobile phone is indicated to be in a falling state, at the moment, the instantaneous speed value of the mobile terminal in the vertical direction is detected in real time, and if the instantaneous speed value is larger than or equal to the preset speed threshold value, a shutdown instruction is sent to the hard shutdown circuit module to cut off the power supply of the mobile terminal. If the situation that the mobile phone falls for a certain distance when v =4.5m/s can be set, at this time, a power-off instruction is sent to the hard power-off circuit module to cut off the power supply of the mobile terminal.
In this embodiment, the preset speed threshold may be preset in advance by the mobile phone, or may be set reasonably by the user according to the use habit of the user.
In the automatic shutdown method for the mobile terminal, by setting the preset speed threshold, only when the instantaneous speed value of the mobile terminal in the vertical direction, which is detected by the speed sensor in real time, is greater than or equal to the preset speed threshold, a shutdown instruction is sent to the hard shutdown circuit module to cut off the power supply of the mobile terminal, so that unnecessary shutdown caused by misjudgment in some scenes is avoided. If the user lightly puts the mobile phone on a table or a bed, the distance is short, so that the mobile phone cannot generate a large instantaneous speed value. Namely, the automatic shutdown method of the mobile terminal sets the preset speed threshold as a shutdown condition, and only when the shutdown condition is met, the power supply of the mobile terminal is controlled to be cut off.
Referring to fig. 3, fig. 3 is a flowchart illustrating an automatic shutdown method of a mobile terminal according to a third embodiment of the present invention.
The invention provides a third embodiment of an automatic shutdown method of a mobile terminal. The present embodiment differs from the above-described second embodiment in that, after step S50, step S70 is performed; step S80 is continuously executed after step S70 is executed.
Step S70, calculating a falling distance parameter or a falling time parameter of the mobile terminal in the vertical direction according to the received instantaneous speed value;
step S80, when the falling distance parameter is greater than or equal to a preset distance threshold, or the falling time parameter is greater than or equal to a preset time threshold, sending a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal.
And the mobile phone does free-falling motion when falling. According to the physics formula:
（2）v=gt。
wherein v is an instantaneous speed value measured in real time when the mobile phone falls, g is a gravity acceleration, t is a mobile phone falling time parameter, and h is a mobile phone distance time parameter.
The obtained instantaneous speed value is substituted into the formulas (1) and (2) to obtain a falling distance parameter and a falling time parameter, and a user can preset a preset distance threshold value and a preset time threshold value according to own habits.
The falling distance parameter and the falling time parameter are shutdown conditions for cutting off the power supply of the mobile phone. If the mobile phone falls from a position 2 meters high and the falling distance parameter set by the user is 1 meter, when the mobile phone falls to 1 meter, the speed sensor acquires a real-time instantaneous speed value, then the corresponding falling distance parameter is calculated to be 1 meter, and at the moment, shutdown is controlled. And if the mobile phone falls down from the height less than 1 meter, the mobile phone keeps a normal operation state because the preset distance threshold value is not reached.
Referring to fig. 4, fig. 4 is a flowchart illustrating an automatic shutdown method of a mobile terminal according to a fourth embodiment of the present invention.
The invention provides a fourth embodiment of an automatic shutdown method of a mobile terminal. The present embodiment differs from the above-described third embodiment in that, after step S80, step S90 is performed; step S91 and step S92 are continuously executed after step S90 is executed.
Step S90, storing the instantaneous speed value of the mobile terminal in the vertical direction at the moment of landing;
step S91, calculating and storing a falling distance parameter and a falling time parameter of the mobile terminal in the vertical direction at the moment of landing according to the instant speed value;
and step S92, respectively updating the preset speed threshold, the preset distance threshold and the preset time threshold according to the stored instantaneous speed value, the stored falling distance parameter and the stored falling time parameter at the moment of falling to the ground.
At the moment of the mobile phone falling to the ground, the instantaneous speed value in the vertical direction at the moment of the mobile terminal falling to the ground can be stored and substituted into the formulas (1) and (2), so that the falling distance parameter and the falling time parameter of the mobile phone in the vertical direction at the moment of the mobile terminal falling to the ground can be obtained. After the mobile phone falls for multiple times, the instantaneous speed values, the falling distance parameters and the falling time parameters of the mobile phone in multiple falling events can be obtained, and the preset speed threshold, the preset distance threshold and the preset time threshold can be respectively set according to the instantaneous speed values, the falling distance parameters and the falling time parameters. For example, a plurality of instantaneous speed values, falling distance parameters and falling time parameters stored in the mobile phone at the moment of landing can be respectively averaged, and then the preset speed threshold, the preset distance threshold and the preset time threshold are respectively smaller than the average value in a certain range.
According to the automatic shutdown method of the mobile terminal, the instantaneous speed value in the vertical direction at the moment of landing of the mobile terminal is stored, the falling distance parameter and the falling time parameter in the vertical direction at the moment of landing of the mobile terminal are calculated and stored according to the instantaneous speed value, and the preset speed threshold, the preset distance threshold and the preset time threshold are updated according to the stored instantaneous speed value, the falling distance parameter and the falling time parameter at the moment of landing respectively, so that the preset speed threshold, the preset distance threshold and the preset time threshold in the automatic shutdown method of the mobile terminal are set to accord with the use habits of different users and are humanized.
The invention further provides an automatic shutdown device of the mobile terminal.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an automatic shutdown device of a mobile terminal according to a first embodiment of the present invention.
The embodiment provides a first embodiment of an automatic shutdown device of a mobile terminal. In this embodiment, the automatic shutdown apparatus for a mobile terminal includes:
the receiving module 10 is configured to receive an instantaneous acceleration value of the mobile terminal in the vertical direction, which is detected in real time by the gravity sensor;
the judging module 20 is configured to judge whether the received instantaneous acceleration value is greater than or equal to a preset acceleration threshold;
and the control module 30 is configured to send a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal when the instantaneous acceleration value is greater than or equal to the preset acceleration threshold value.
The mobile terminal mentioned in the present invention may be a mobile phone, an MP3, an MP4, a remote controller, a computer, etc., which is not limited in the present invention. In order to better explain the principle of the automatic shutdown device of the mobile terminal, the embodiment specifically explains the mobile phone as an example.
Specifically, the preset acceleration threshold may be preset in advance, or may be manually input by a general user. The preset acceleration threshold is preferably the local gravitational acceleration value of the mobile phone. Because the gravity acceleration values of all regions are slightly different, a built-in module can be arranged in the mobile phone, and a user inputs the region where the mobile phone is located and then inquires the gravity acceleration value corresponding to the region in a preset database. Or the mobile phone is positioned through GPRS and then the network acquires the gravity acceleration value corresponding to the area. And when the received instantaneous acceleration value is larger than or equal to the preset acceleration threshold value, the mobile phone is in a falling state.
When the instantaneous acceleration value is smaller than the preset acceleration threshold value, the time from the moment when the mobile phone just falls to the moment when the mobile phone contacts the ground, namely the time when the mobile phone performs free-falling motion, can be displayed through a display device of the mobile phone.
The hard shutdown circuit module can realize the instant hard power-down shutdown of the mobile phone, and achieves the same effect as the removal of the mobile phone battery. In this embodiment, the hard-shutdown circuit module is electrically connected to the power module of the mobile phone, so as to directly control the power to be turned off. The hard power-down shutdown is different from the soft shutdown when a power key of the mobile phone is pressed, the soft shutdown consumes long time, and after a soft shutdown instruction is sent, the mobile phone is not completely shut down and falls to the ground, so that the purpose of protecting the mobile phone cannot be achieved.
The automatic shutdown device for the mobile terminal, which is provided by this embodiment, receives an instantaneous acceleration value of the mobile terminal in the vertical direction, which is detected by a gravity sensor in real time through a receiving module 10, a determining module 20 determines whether the received instantaneous acceleration value is greater than or equal to a preset acceleration threshold, when it is determined that the instantaneous acceleration value is greater than or equal to the preset acceleration threshold, it indicates that the mobile terminal is in a falling state, at this time, a control module 30 sends a shutdown instruction to a hard shutdown circuit module to cut off a power supply of the mobile terminal, so as to achieve the purpose of cutting off the power supply of the mobile terminal at the moment of shutdown (within millisecond/microsecond level time), and by cutting off the power supply, hardware and software of a mobile. In addition, when the mobile phone is started and operated, if the mobile phone falls into water, the starting operation accelerates the damage speed of components, and the automatic shutdown device of the mobile terminal cuts off the power supply before the mobile phone falls into water, so that the damage of the mobile phone caused by the water inflow is minimized.
Further, the receiving module 10 is further configured to receive an instantaneous speed value of the mobile terminal in the vertical direction, which is detected by a speed sensor in real time, when the instantaneous acceleration value is greater than or equal to the preset acceleration threshold;
the control module 30 is further configured to send a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal when the received instantaneous speed value is greater than or equal to a preset speed threshold.
When the instantaneous acceleration value v is greater than or equal to the preset acceleration threshold value, it indicates that the mobile phone is in a falling state, at this time, the instantaneous velocity value of the mobile terminal in the vertical direction is detected in real time through the velocity sensor, and if the instantaneous velocity value is greater than or equal to the preset velocity threshold value, the control module 30 sends a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal. If the situation that the mobile phone falls for a certain distance when v =4.5m/s can be set, at this time, a power-off instruction is sent to the hard power-off circuit module to cut off the power supply of the mobile terminal.
In this embodiment, the preset speed threshold may be preset in advance by the mobile phone, or may be set reasonably by the user according to the use habit of the user.
According to the automatic shutdown device of the mobile terminal, by setting the preset speed threshold, only when the instantaneous speed value of the mobile terminal in the vertical direction, which is detected by the speed sensor in real time, is greater than or equal to the preset speed threshold, a shutdown instruction is sent to the hard shutdown circuit module to cut off the power supply of the mobile terminal, so that unnecessary shutdown caused by misjudgment in some scenes is avoided. If the user lightly puts the mobile phone on a table or a bed, the distance is short, so that the mobile phone cannot generate a large instantaneous speed value. That is, the preset speed threshold is set as a shutdown condition, and the power of the mobile terminal is controlled to be cut off only when the shutdown condition is met.
Referring to fig. 6, fig. 6 is a schematic structural diagram of an automatic shutdown device of a mobile terminal according to a second embodiment of the present invention.
The invention provides a second embodiment of an automatic shutdown device of a mobile terminal. The difference between this embodiment and the above embodiment is that the automatic shutdown apparatus of a mobile terminal further includes:
the first calculating module 40 is configured to calculate a falling distance parameter or a falling time parameter of the mobile terminal in the vertical direction according to the received instantaneous speed value;
the control module 30 is further configured to send a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal when the drop distance parameter is greater than or equal to a preset distance threshold or the drop time parameter is greater than or equal to a preset time threshold.
And the mobile phone does free-falling motion when falling. According to the physics formula:
（2）v=gt。
v is an instantaneous speed value measured in real time when the mobile phone falls, g is the gravity acceleration, t is a mobile phone falling time parameter, and h is a mobile phone distance time parameter.
The falling distance parameter and the falling time parameter can be obtained by substituting the obtained instantaneous speed value into the formulas (1) and (2), and the user can preset a preset distance threshold value and a preset time threshold value according to own habits.
The falling distance parameter and the falling time parameter are shutdown conditions for cutting off the power supply of the mobile phone. If the mobile phone falls from a position 2 meters high and the falling distance parameter set by the user is 1 meter, when the mobile phone falls to 1 meter, the speed sensor acquires a real-time instantaneous speed value, then the corresponding falling distance parameter is calculated to be 1 meter, and at the moment, shutdown is controlled. And if the mobile phone falls down from the height less than 1 meter, the mobile phone keeps a normal operation state because the preset distance threshold value is not reached.
Referring to fig. 7, fig. 7 is a schematic structural diagram of an automatic shutdown device of a mobile terminal according to a third embodiment of the present invention.
The invention provides a third embodiment of an automatic shutdown device of a mobile terminal. The difference between this embodiment and the above embodiment is that the automatic shutdown apparatus of a mobile terminal further includes:
the storage module 50 is configured to store an instant speed value of the mobile terminal in a vertical direction at the moment of landing;
the second calculating module 60 is configured to calculate and store a falling distance parameter and a falling time parameter of the mobile terminal in the vertical direction at the moment of landing according to the instant speed value;
and the updating module 70 is configured to update the preset speed threshold, the preset distance threshold and the preset time threshold respectively according to the stored instantaneous speed value, the stored falling distance parameter and the stored falling time parameter at the moment of falling.
It should be noted that, at this time, an independent power module needs to be provided to supply power to the automatic shutdown device of the mobile terminal, the gravity sensor, and the speed sensor. The power module is independent of the power supply of the mobile phone.
When the mobile phone lands on the ground, the instantaneous speed value in the vertical direction of the mobile terminal at the moment of landing can be obtained and stored, and the instantaneous speed value is substituted into the formulas (1) and (2), so that the falling distance parameter and the falling time parameter of the mobile phone in the vertical direction at the moment of landing can be obtained. After the mobile phone falls for multiple times, the instantaneous speed values, the falling distance parameters and the falling time parameters of the mobile phone in multiple falling events can be obtained, and the preset speed threshold, the preset distance threshold and the preset time threshold can be respectively set according to the instantaneous speed values, the falling distance parameters and the falling time parameters. For example, a plurality of instantaneous speed values, falling distance parameters and falling time parameters stored in the mobile phone at the moment of landing can be respectively averaged, and then the preset speed threshold, the preset distance threshold and the preset time threshold are respectively smaller than the average value in a certain range.
The mobile terminal automatic shutdown device provided by this embodiment receives and stores the instantaneous velocity value in the vertical direction at the moment of landing of the mobile terminal through the storage module 50, the second calculation module 60 calculates and stores the falling distance parameter and the falling time parameter in the vertical direction at the moment of landing of the mobile terminal according to the instantaneous velocity value, the falling distance parameter and the falling time parameter, and the updating module 70 updates the preset velocity threshold, the preset distance threshold and the preset time threshold respectively according to the stored instantaneous velocity value, the stored falling distance parameter and the stored falling time parameter at the moment of landing, so that the setting of the preset velocity threshold, the preset distance threshold and the preset time threshold in the mobile terminal automatic shutdown device is more suitable for the use habits of different users, and is more humanized.
The invention further provides a mobile terminal.
Referring to fig. 8, fig. 8 is a schematic structural diagram of a mobile terminal according to a preferred embodiment of the present invention.
In this preferred embodiment, the mobile terminal includes an automatic shutdown device of the mobile terminal, and further includes a gravity sensor, a pressure sensor, and a hard shutdown circuit module, where the gravity sensor, the pressure sensor, and the hard shutdown circuit module are all electrically connected to the automatic shutdown device of the mobile terminal. The structure, the working principle and the beneficial effects of the automatic shutdown device of the mobile terminal refer to the above embodiments, and are not described herein again.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.
Claims (9)
1. An automatic shutdown method of a mobile terminal is characterized by comprising the following steps:
receiving an instantaneous acceleration value of the mobile terminal in the vertical direction, which is detected by a gravity sensor in real time;
judging whether the received instantaneous acceleration value is greater than or equal to a preset acceleration threshold value or not;
and if the instantaneous acceleration value is greater than or equal to the preset acceleration threshold value, sending a shutdown instruction to a hard shutdown circuit module to cut off the power supply of the mobile terminal.
2. The method for automatically powering off a mobile terminal as claimed in claim 1, wherein said step of determining whether said received instantaneous acceleration value is greater than or equal to a preset acceleration threshold further comprises, after said step of determining whether said received instantaneous acceleration value is greater than or equal to a preset acceleration threshold:
if the instantaneous acceleration value is larger than or equal to the preset acceleration threshold value, receiving an instantaneous speed value of the mobile terminal in the vertical direction, which is detected by a speed sensor in real time;
and when the received instant speed value is greater than or equal to a preset speed threshold value, sending a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal.
3. The method for automatically powering off a mobile terminal according to claim 2, wherein the step of receiving the instantaneous speed value of the mobile terminal in the vertical direction detected by the speed sensor in real time further comprises:
calculating a falling distance parameter or a falling time parameter of the mobile terminal in the vertical direction according to the received instantaneous speed value;
and when the falling distance parameter is greater than or equal to a preset distance threshold value or the falling time parameter is greater than or equal to a preset time threshold value, sending a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal.
4. The method according to claim 3, wherein the step of sending a power-off command to the hard-power-off circuit module to turn off the power supply of the mobile terminal when the falling distance parameter is greater than or equal to a preset distance threshold or the falling time parameter is greater than or equal to a preset time threshold further comprises:
storing an instant speed value of the mobile terminal in the vertical direction at the instant of landing;
calculating and storing a falling distance parameter and a falling time parameter of the mobile terminal in the vertical direction at the moment of landing according to the received instant speed value;
and respectively updating the preset speed threshold, the preset distance threshold and the preset time threshold according to the stored instantaneous speed value, the stored falling distance parameter and the stored falling time parameter at the moment of falling.
5. An automatic shutdown device of a mobile terminal, comprising:
the receiving module is used for receiving the instantaneous acceleration value of the mobile terminal in the vertical direction, which is detected by the gravity sensor in real time;
the judging module is used for judging whether the received instantaneous acceleration value is greater than or equal to a preset acceleration threshold value or not;
and the control module is used for sending a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal when the instantaneous acceleration value is greater than or equal to the preset acceleration threshold value.
6. The automatic shutdown apparatus of claim 5, wherein,
the receiving module is further used for receiving the instantaneous speed value of the mobile terminal in the vertical direction detected by the speed sensor in real time when the instantaneous acceleration value is greater than or equal to the preset acceleration threshold;
the control module is further configured to send a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal when the received instantaneous speed value is greater than or equal to a preset speed threshold.
7. The automatic shutdown apparatus for a mobile terminal according to claim 6, further comprising:
the first calculation module is used for calculating a falling distance parameter or a falling time parameter of the mobile terminal in the vertical direction according to the received instantaneous speed value;
the control module is further configured to send a shutdown instruction to the hard shutdown circuit module to cut off the power supply of the mobile terminal when the falling distance parameter is greater than or equal to a preset distance threshold or the falling time parameter is greater than or equal to a preset time threshold.
8. The automatic shutdown apparatus for a mobile terminal according to claim 7, further comprising:
the storage module is used for storing an instant speed value of the mobile terminal in the vertical direction at the moment of landing;
the second calculation module is used for calculating and storing a falling distance parameter and a falling time parameter of the mobile terminal in the vertical direction at the moment of landing according to the instant speed value;
and the updating module is used for respectively updating the preset speed threshold, the preset distance threshold and the preset time threshold according to the stored instantaneous speed value, the stored falling distance parameter and the stored falling time parameter at the moment of falling to the ground.
9. A mobile terminal, comprising the automatic shutdown device of any one of claims 5 to 8, further comprising a gravity sensor, a pressure sensor and a hard shutdown circuit module, wherein the gravity sensor, the pressure sensor and the hard shutdown circuit module are all electrically connected to the automatic shutdown device of the mobile terminal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370362.5A CN104427092A (en) | 2013-08-22 | 2013-08-22 | Automatic shutdown method and device for mobile terminal and mobile terminal |
| PCT/CN2013/088241 WO2014161337A1 (en) | 2013-08-22 | 2013-11-29 | Mobile terminal and automatic power-off method and device therefor, and computer storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310370362.5A CN104427092A (en) | 2013-08-22 | 2013-08-22 | Automatic shutdown method and device for mobile terminal and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN104427092A true CN104427092A (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310370362.5A Withdrawn CN104427092A (en) | 2013-08-22 | 2013-08-22 | Automatic shutdown method and device for mobile terminal and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104427092A (en) |
| WO (1) | WO2014161337A1 (en) |
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