CN105635473A - Mobile terminal and falling protection method of mobile terminal - Google Patents
Mobile terminal and falling protection method of mobile terminal Download PDFInfo
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- CN105635473A CN105635473A CN201610013259.9A CN201610013259A CN105635473A CN 105635473 A CN105635473 A CN 105635473A CN 201610013259 A CN201610013259 A CN 201610013259A CN 105635473 A CN105635473 A CN 105635473A
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- mobile terminal
- acceleration
- falling
- judge
- fall
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3888—Arrangements for carrying or protecting transceivers
Abstract
The invention relates to the technical field of manufacturing of electronic equipment, and discloses a mobile terminal and a falling protection method of the mobile terminal. In the invention, the accelerated speed of the mobile terminal is detected in real time; whether the mobile terminal is in a falling state or not is judged according to the accelerated speed; if the mobile terminal is in the falling state, a falling protection component in the mobile terminal is adjusted to a first position; whether the mobile terminal is collided or not in the falling direction is judged according to the accelerated speed; and, if the mobile terminal is collided in the falling direction, the falling protection component is controlled to perform accelerated movement from the first position to a second position, wherein the falling direction is the direction from the first position to the second position. According to the invention, the impact force born by the mobile terminal when falling and being collided is reduced; therefore, the mobile terminal can be protected; and the screen breaking risk can be reduced.
Description
Technical field
The present invention relates to electronic equipment manufacturing technical field, particularly to a kind of mobile terminal and falling protection method thereof.
Background technology
Along with the development of science and technology, the use of mobile terminal product is more and more extensive. At present, these series products great majority adopt touch-screen, and touch-screen is easy to operate. But, owing to touch-screen is glass material, and glass material has fragility, and the impulsive force that therefore mobile terminal bears when falling frequently results in the damage of screen, cause the user greater loss.
It is protected by when traditional scheme is in order to fall mobile terminal, be usually the additional protection set of mobile terminal. The aspects such as heat dissipation of terminal, except affecting the mobile terminal experience when operation, are also affected by this kind of scheme simultaneously.
Summary of the invention
It is an object of the invention to provide a kind of mobile terminal and falling protection method thereof so that the impulsive force born during mobile terminal drop impact reduces, such that it is able to protect mobile terminal, reduce broken screen danger.
For solving above-mentioned technical problem, embodiments of the present invention provide the falling protection method of a kind of mobile terminal, comprise the steps of the acceleration detecting described mobile terminal in real time; Judge whether described mobile terminal is according to described acceleration and fall state; If described mobile terminal is in falls state, then the fall protection element in described mobile terminal is adjusted to primary importance; Judge described mobile terminal is whether described falling collides on direction according to described acceleration; If described mobile terminal collides on direction described falling, then control described fall protection element and done accelerated motion by described primary importance to the second position; Wherein, falling direction described in is the described primary importance direction towards the described second position.
Embodiments of the present invention additionally provide a kind of mobile terminal, comprise: acceleration detecting unit, condition adjudgement unit, fall protection control unit and fall protection element; Described acceleration detecting unit is for detecting the acceleration of described mobile terminal in real time; Described condition adjudgement unit falls state for judging whether described mobile terminal is according to described acceleration; Described condition adjudgement unit is additionally operable to judge described mobile terminal is whether described falling collides on direction according to described acceleration; Described fall protection control unit is for adjusting described fall protection element to primary importance; Described fall protection control unit is additionally operable to control described fall protection element and is done accelerated motion by described primary importance to the second position.
Embodiment of the present invention is in terms of existing technologies; acceleration according to the mobile terminal real-time monitored judges whether mobile terminal is in and falls state; if mobile terminal is in falls state; then the fall protection element in mobile terminal is adjusted to primary importance; simultaneously judge whether mobile terminal collides on direction falling according to acceleration; if mobile terminal collides on direction falling, then control fall protection element and done accelerated motion by primary importance to the second position. Present embodiment applies the active force consistent with falling direction by mobile terminal to fall protection element; based on counteracting force principle; mobile terminal is subject to and falls opposition in opposite direction; namely the part of impact force that this opposition is subject to when can offset collision, thus reducing broken screen danger when mobile terminal falls.
Preferably, it is judged that whether described mobile terminal is in the step falling state, including at least following sub-step: judge whether described acceleration meets pre-conditioned; If meeting pre-conditioned, then judge that described mobile terminal is in and fall state; Wherein, described pre-conditioned comprise: the numerical value of described acceleration belongs to that predetermined acceleration is interval and the duration of described acceleration is more than the first preset duration. By judging whether whether the numerical value of acceleration belong to the duration of predetermined acceleration interval and acceleration more than the first preset duration such that it is able to quickly judge whether mobile terminal is in and fall state.
Preferably, before judging whether described acceleration meets pre-conditioned step, the acceleration direction identifying described acceleration is also comprised the steps of; According to the corresponding relation that acceleration direction is interval with predetermined acceleration, obtain the described predetermined acceleration interval that the acceleration direction of described acceleration is corresponding. That is, due to object towards different directions fall time, its acceleration is also different, and therefore, it is interval that present embodiment can obtain corresponding predetermined acceleration according to the acceleration direction of acceleration so that the judgement falling state more conforms to practical situation.
Preferably, judge that described mobile terminal is in the described step fallen and whether collide on direction according to described acceleration, including at least following sub-step: judge whether described acceleration diminishes; If described acceleration diminishes, then judge that described mobile terminal collides on direction described falling. Such that it is able to quickly judge that mobile terminal falls the state be obstructed or be collided.
Preferably, if described acceleration diminishes, then judging that described mobile terminal is before the described sub-step fallen and collide on direction, also comprises following sub-step: judge that whether described acceleration variable quantity in the second preset duration is more than default variable quantity; If so, then enter and judge that described mobile terminal collides on direction described falling. It is thus possible to be accurately judged to the moment of mobile terminal collision.
Preferably, described fall protection element is the eccentric block of motor. Utilize the motor eccentric block that mobile terminal itself comprises as fall protection element, from without increasing extra hardware burden, preferably protected effect can be produced simultaneously.
Accompanying drawing explanation
Fig. 1 is the flow chart of the falling protection method according to first embodiment of the invention mobile terminal;
Fig. 2 a, 2b, 2c be before the falling protection method terminal according to first embodiment of the invention mobile terminal is landed, movement velocity when landing and after landing and stress schematic diagram;
Fig. 3 is the structured flowchart according to third embodiment of the invention mobile terminal.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the embodiments of the present invention are explained in detail. But, it will be understood by those skilled in the art that in each embodiment of the present invention, propose many ins and outs in order to make reader be more fully understood that the application. But, even without these ins and outs with based on the many variations of following embodiment and amendment, it is also possible to realize the application each claim technical scheme required for protection.
The acceleration of the present invention terminal by detecting in real time; judge falling state and whether colliding of mobile terminal; and when collision; fall direction by control fall protection element along terminal and do accelerated motion; so that terminal is subject to the opposition of fall protection element; in the face of the impulsive force of terminal, terminal being played a protective role thus reducing ground, reducing the risk of breakage of touch screen, reduce user's loss.
First embodiment of the present invention relates to the falling protection method of a kind of mobile terminal. Idiographic flow is as it is shown in figure 1, the method includes the steps of 10 to step 14:
Step 10: detect the acceleration of mobile terminal in real time.
Acceleration comprises acceleration direction and acceleration magnitude, and namely the acceleration detecting mobile terminal in real time detects acceleration direction and the size of mobile terminal in real time.
The interiors of products such as mobile terminal are typically arranged with gravity sensor, and it can detect the terminal acceleration in different motion state in real time. Such as, when mobile phone is static, utilizing the acceleration magnitude that gravity sensor can obtain mobile phone is 0, when mobile phone falls, it is possible to obtain the acceleration direction of mobile phone for straight down, acceleration be sized to acceleration of gravity.
Step 11: judge whether mobile terminal is according to acceleration and fall state.
Specifically, judge whether mobile terminal is in the step falling state and comprises following sub-step 110 to sub-step 113 according to acceleration:
Sub-step 110: identify the acceleration direction of acceleration.
Such as, when terminal is fallen, neglect the effect of windage etc., only consider the situation of gravity suffered by terminal, then the acceleration direction identified is for straight down; Certainly, terminal is likely to along inclined-plane landing, and now, the acceleration direction of terminal is be certain angle with vertically downward direction. Specifically, it is possible to judge the direction of acceleration in conjunction with the gravity sensor in terminal, magnetometric sensor, gyroscope etc.
Sub-step: 111: according to the corresponding relation that acceleration direction is interval with predetermined acceleration, obtain the predetermined acceleration interval that the acceleration direction of acceleration is corresponding.
It is possible, firstly, to prestore the corresponding relation that acceleration direction is interval with predetermined acceleration in terminal. Namely, such as, storage has acceleration direction straight down and predetermined acceleration interval, this predetermined acceleration interval is with tellurian acceleration of gravity for according to setting, such as acceleration of gravity is 9.8 meters every square second, then span is [9.6��10 meters every square second], namely considers some External Force Actings (such as air drag) in actual environment, it is allowed to fluctuate 0.2 on the basis of 9.8. Such as, when acceleration direction and the angle between straight down are 30 degree, gravity acceleration g component in the direction is multiplied by cos30 �� equal to g, takes the approximation of product as the predetermined acceleration interval corresponding with this acceleration direction. Similarly, the different acceleration direction of storage is interval with predetermined acceleration respectively.
The predetermined acceleration finding correspondence according to the acceleration direction recognized in step 110 is interval.
Sub-step 112: judge whether acceleration meets pre-conditioned. If meeting pre-conditioned, then performing sub-step 113, if being unsatisfactory for pre-conditioned, then returning step 10.
That is, it is judged that whether whether the numerical value of the acceleration detected in real time belong to the duration of predetermined acceleration interval and acceleration more than the first preset duration.
Such as, when terminal is fallen straight down, judge that whether acceleration value is predetermined acceleration interval (the predetermined acceleration interval fallen straight down is such as 9.6 to 10 meters every square second), if acceleration value is interval at predetermined acceleration, and the duration of acceleration is more than the first preset duration (the first preset duration is such as 0.05 second), then judge that acceleration meets pre-conditioned. Should be appreciated that present embodiment is not limited as the concrete numerical range in predetermined acceleration interval and the concrete duration of the first preset duration.
Sub-step 113: judge that mobile terminal is in and fall state.
When detect terminal be in fall state time, then can start terminal fall protection mechanism immediately, namely perform step 12 to step 14:
Step 12: the fall protection element in mobile terminal is adjusted to primary importance.
The eccentric block that fall protection element is the motor that mobile terminal comprises in present embodiment, is commonly called as motor vibrator. At present, being configured with linear motor in many mobile terminals, the oscillator of linear motor has certain quality, and its quality is generally the 20% of mobile terminal gross mass. Adopt motor vibrator as fall protection element; will not additionally increase hardware burden on the one hand, and owing to the quality of motor vibrator own is relatively big, during motor vibrator accelerated motion; terminal can be produced bigger reverse momentum, and then mobile phone is fallen play preferably protective effect. Generally, motor vibrator can only vibrate between the two positions back and forth, say, that when by terminal built-in battery operated motor oscillator accelerated motion, motor vibrator is comparatively fixing to the direction of the counteracting force that terminal produces. Therefore, substantially, in order to can in any direction on realize fall protection; all right otherwise designed fall protection element; make to control it and do accelerated motion in any direction, thus so that terminal can be produced the active force of any direction by fall protection element.
By detection directions, place, ground such as gravity sensitive, magnetometric sensor, gyroscopes. It is prior art owing to detecting direction, place, ground by terminal, so not repeating them here. By the position adjustment of motor vibrator to the primary importance away from ground. Due in subsequent step, can perform to control motor vibrator and be done accelerated motion by primary importance to the second position near ground, as long as so step 12 is controlling motor vibrator by primary importance to before doing accelerated motion near the second position on ground, present embodiment is not limited as the concrete execution sequence of this step.
Step 13: judge whether mobile terminal collides on direction falling according to acceleration.
Specifically, judge that mobile terminal comprises following sub-step 130 to sub-step 131 falling the step whether collided on direction according to acceleration:
Sub-step 130: judge whether acceleration diminishes. If acceleration diminishes, perform sub-step 131. If acceleration does not diminish, then return sub-step 130.
Landing in a flash, terminal is subject to the support force contrary with gravity direction from ground etc., and therefore, the size of the stress that terminal is total under (gravity is made a concerted effort with support force) effect of making a concerted effort can diminish, correspondingly, the numerical value of the acceleration that gravity sensor detects can change. When judging that acceleration diminishes, perform sub-step 131, if acceleration does not diminish, then show that terminal is still in the process dropped down, and not yet lands, then return sub-step 130.
Sub-step 131: judge that mobile terminal collides on direction falling.
When judge mobile terminal fall direction collides time, then immediately enter step 14.
Step 14: control fall protection element and done accelerated motion by primary importance to the second position.
Judge terminal fall direction collides time, control motor vibrator done accelerated motion by primary importance to the second position. Specifically, namely by end cell to motor power supplying, motor vibrator is driven to be done accelerated motion by the position away from ground to the position near ground with peak acceleration.
As shown in Fig. 2 a, 2b, 2c, Fig. 2 a illustrates and lands the falling speed V0 of front terminal, Fig. 2 b illustrates directed force F 1 and F0 ' suffered by terminal when landing, and wherein F1 is terminal when landing, and ground is in the face of the support force of terminal, F1 is more big, then terminal impact is more big, and the destruction that terminal is produced is more big, when F0 ' does accelerated motion for motor vibrator, to terminal produce opposition, Fig. 2 c illustrate terminal land after movement velocity V1.
In conjunction with Fig. 2 a, Fig. 2 b and Fig. 2 c, what simplify that whole collision process can obtain that terminal bears when landing makes a concerted effort:
(F1+F0 ')/M=(V1-V0)/t ()
Wherein, M is the gross mass of mobile terminal, the action time of t substantially support force F1.
From formula (one); work as F0 ' more big; then F1 is more little; and the size of F0 ' is equal to the quality m of motor vibrator and the product of the acceleration a of motor vibrator; therefore; when quality at motor vibrator can not obtain increasing, it is possible to improve the size of acceleration a, thus terminal being played protective effect more preferably as far as possible.
Present embodiment is in terms of existing technologies, by detecting the acceleration of mobile terminal in real time, and judge whether mobile terminal is according to acceleration and fall state, when mobile terminal is in and falls state, determine whether that whether mobile terminal collides on direction falling, when judge mobile terminal fall direction collides time, then pass through to motor vibrator force F0, make motor vibrator edge fall direction and do accelerated motion, so that terminal is subject to the opposition F0 ' of F0, the part of impact force being subject to when terminal is landed can be offset by this opposition, terminal is protected, reduce broken screen danger.
Second embodiment of the present invention relates to the falling protection method of a kind of mobile terminal. Second embodiment makes further improvement on the basis of the first embodiment, mainly the improvement is that: in this second embodiment, if acceleration diminishes, then whether direction collides falling according to acceleration change velocity estimated mobile terminal further. Such that it is able to accurately judge the moment that mobile terminal will collide.
Specifically, judging that according to acceleration mobile terminal is in falling the step whether collided on direction, if judging, acceleration diminishes, then determine whether that whether acceleration variable quantity in the second preset duration is more than default variable quantity. If so, then judge that mobile terminal collides on direction falling. If it is not, then continue to judge whether mobile terminal collides on direction falling according to acceleration.
In on the one hand, when terminal is in falling process, when being subject to slight obstruction power, it is possible to detect that acceleration diminishes, and inhibition this kind slight much smaller than when landing in the face of the active force of terminal, the knots modification at the second preset duration acceleration can be less; Therefore, present embodiment can avoid this non-collision on the ground factor to be likely to the erroneous judgement caused.
In on the other hand, when terminal is landed, ground is extremely short in the face of the momentary action time of terminal, and this second preset duration than ground in the face of momentary action time of terminal is more shorter, diminish thus being possible not only to the acceleration excluded when terminal is not landed, and forfeiture will not process the time when terminal is really landed.
In sum, present embodiment excludes, by acceleration change speed, the acceleration that non-collision on the ground factor causes and diminishes, and then can more precisely judge that terminal is about to the moment landed, such that it is able to protect terminal on correctly opportunity.
The step of various methods divides above, is intended merely to description clear, it is achieved time can be merged into a step or some step is split, and is decomposed into multiple step, as long as comprising identical logical relation, all in the protection domain of this patent; To adding inessential amendment in algorithm or in flow process or introducing inessential design, but do not change the core design of its algorithm and flow process all in the protection domain of this patent.
Third embodiment of the invention relates to a kind of mobile terminal, and this mobile terminal is applied to the falling protection method of the mobile terminal as described in the first or second embodiment. As it is shown on figure 3, this mobile terminal comprises: acceleration detecting unit, condition adjudgement unit, fall protection control unit and fall protection element.
Specifically, acceleration detecting unit is for detecting the acceleration of mobile terminal in real time, and acceleration detecting unit can adopt the gravity sensor that terminal is self-purchased.
Condition adjudgement unit falls state for judging whether mobile terminal is according to acceleration, and condition adjudgement unit is judged whether terminal is in fallen state by the change of accekeration and the accekeration duration after changing. Condition adjudgement unit is additionally operable to judge whether mobile terminal collides on direction falling according to acceleration, according to the instantaneous variation of accekeration, condition adjudgement unit judges whether terminal collides.
Fall protection control unit is for adjusting fall protection element to primary importance, and fall protection control unit is additionally operable to control fall protection element and is done accelerated motion by primary importance to the second position. Fall protection control unit condition adjudgement unit judges go out terminal be in fall state time; fall protection element is adjusted to primary importance; and condition adjudgement unit judges go out terminal collide time, control fall protection element done accelerated motion by primary importance to the second position. Wherein, primary importance is the position before terminal is landed away from ground, and second position terminal is the position on close ground before landing.
Present embodiment is compared with prior art; the acceleration of the mobile terminal that condition adjudgement unit detects in real time according to acceleration detecting unit; judge that terminal is in and fall state; and when terminal is landed; judge that terminal collides; and fall protection control unit controls to do accelerated motion away from the position on ground to the position near ground when fall protection element is landed by terminal; so that terminal is subject to the opposition of fall protection element; and reduce the impulsive force of terminal faced by ground; so that terminal is protected, reduce broken screen danger.
It is seen that, present embodiment is the system embodiment corresponding with the first embodiment, and present embodiment can be worked in coordination enforcement with the first embodiment. The relevant technical details mentioned in first embodiment is still effective in the present embodiment, in order to reduce repetition, repeats no more here. Correspondingly, the relevant technical details mentioned in present embodiment is also applicable in the first embodiment.
It is noted that each module involved in present embodiment is logic module, in actual applications, a logical block can be a physical location, it is also possible to be a part for a physical location, it is also possible to realize with the combination of multiple physical locations. Additionally, for the innovative part highlighting the present invention, do not introduced by the unit less close with solving technical problem relation proposed by the invention in present embodiment, but this is not intended that in present embodiment to be absent from other unit.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the invention, and in actual applications, it is possible in the form and details it is done various change, without departing from the spirit and scope of the present invention.
Claims (9)
1. the falling protection method of a mobile terminal, it is characterised in that comprise the steps of
Detect the acceleration of described mobile terminal in real time;
Judge whether described mobile terminal is according to described acceleration and fall state;
If described mobile terminal is in falls state, then the fall protection element in described mobile terminal is adjusted to primary importance;
Judge described mobile terminal is whether described falling collides on direction according to described acceleration;
If described mobile terminal collides on direction described falling, then control described fall protection element and done accelerated motion by described primary importance to the second position;
Wherein, falling direction described in is the described primary importance direction towards the described second position.
2. the falling protection method of mobile terminal according to claim 1, it is characterised in that
Judge whether described mobile terminal is in the step falling state, including at least following sub-step:
Judge whether described acceleration meets pre-conditioned;
If meeting pre-conditioned, then judge that described mobile terminal is in and fall state;
Wherein, described pre-conditioned comprise: the numerical value of described acceleration belongs to that predetermined acceleration is interval and the duration of described acceleration is more than the first preset duration.
3. the falling protection method of mobile terminal according to claim 2, it is characterised in that before judging whether described acceleration meets pre-conditioned step, also comprise the steps of
Identify the acceleration direction of described acceleration;
According to the corresponding relation that acceleration direction is interval with predetermined acceleration, obtain the described predetermined acceleration interval that the acceleration direction of described acceleration is corresponding.
4. the falling protection method of mobile terminal according to claim 1, it is characterised in that
Judge that described mobile terminal is in the described step fallen and whether collide on direction according to described acceleration, including at least following sub-step:
Judge whether described acceleration diminishes;
If described acceleration diminishes, then judge that described mobile terminal collides on direction described falling.
5. the falling protection method of mobile terminal according to claim 4, it is characterised in that if described acceleration diminishes, then judging that described mobile terminal is before the described sub-step fallen and collide on direction, also comprises following sub-step:
Judge that whether described acceleration variable quantity in the second preset duration is more than default variable quantity;
If so, then enter and judge that described mobile terminal collides on direction described falling.
6. the falling protection method of mobile terminal according to claim 1, it is characterised in that described in fall state be freely falling body, described in fall direction for straight down.
7. the falling protection method of mobile terminal according to claim 6, it is characterised in that described fall protection element is the eccentric block of motor.
8. a mobile terminal, it is characterized in that, being applied to the falling protection method of mobile terminal according to any one of claim 1 to 7, described mobile terminal comprises: acceleration detecting unit, condition adjudgement unit, fall protection control unit and fall protection element;
Described acceleration detecting unit is for detecting the acceleration of described mobile terminal in real time;
Described condition adjudgement unit falls state for judging whether described mobile terminal is according to described acceleration; Described condition adjudgement unit is additionally operable to judge described mobile terminal is whether described falling collides on direction according to described acceleration;
Described fall protection control unit is for adjusting described fall protection element to primary importance; Described fall protection control unit is additionally operable to control described fall protection element and is done accelerated motion by described primary importance to the second position.
9. mobile terminal according to claim 8, it is characterised in that described mobile terminal is mobile phone.
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| CN201610013259.9A CN105635473B (en) | 2016-01-10 | 2016-01-10 | A kind of mobile terminal and its falling protection method |
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| CN201610013259.9A CN105635473B (en) | 2016-01-10 | 2016-01-10 | A kind of mobile terminal and its falling protection method |
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