CN107437322A - Mobile terminal, mobile terminal hazards monitoring device and method - Google Patents
Mobile terminal, mobile terminal hazards monitoring device and method Download PDFInfo
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- CN107437322A CN107437322A CN201610353846.2A CN201610353846A CN107437322A CN 107437322 A CN107437322 A CN 107437322A CN 201610353846 A CN201610353846 A CN 201610353846A CN 107437322 A CN107437322 A CN 107437322A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Alarm Systems (AREA)
Abstract
The disclosure is directed to a kind of mobile terminal, mobile terminal hazards monitoring method and device.The mobile terminal hazards monitoring device includes：Signal transmitting and receiving module, for launching the detection signal of first frequency and receiving the echo-signal for the second frequency that the detection signal monitored target is reflected back；Distance analysis module, for obtaining the distance between the monitoring object and the mobile terminal according to the time difference launched between the detection signal and the reception echo-signal；Velocity analysis module, for obtaining the relative velocity between the monitoring object and the mobile terminal relative to the frequency displacement of the first frequency according to the second frequency；Hydropac module, for judging whether to need to carry out hydropac according to the distance between the monitoring object and the mobile terminal and relative velocity.The disclosure can preferably realize danger early warning.
Description
Technical field
This disclosure relates to technical field of mobile terminals, dangerous in particular to a kind of mobile terminal
Monitoring device, mobile terminal hazards monitoring method and the application mobile terminal hazards monitoring device
Mobile terminal.
Background technology
With developing rapidly for computer technology and development of Mobile Internet technology, with smart mobile phone, flat
Plate computer etc. is become increasingly popular for the mobile terminal of representative.These mobile terminals with it is simple to operate,
It is easy to carry and gives people's great convenience in life, but people simultaneously the features such as feature-rich
Also gradually stepped up for the degree of dependence of mobile terminal.
Due to the dependence for mobile terminal, cause many people that notice is all placed on into mobile terminal
On, therefore also brought many troubles.For example, groups of people are even in process on foot
In also by mobile terminal see video, send short messages, take pictures and play game etc., so as to due to diverting one's attention
And ignore potential hazards in surrounding enviroment, and potential safety hazard is produced, is gently then fallen, it is heavy then send out
Raw traffic accident.
A kind of technical scheme is to obtain environment map by the rear camera of mobile terminal in the prior art
As and realize.For example, in the QQ applications of Tencent, the background of chat conversations frame can be set
It is set to the ambient image that rear camera is captured.So, then it can prevent user from attentively beating
Ignore front road conditions during word.
But in above-mentioned technical proposal, on the one hand, need always on rearmounted during hazard detection
Camera, very power consumption；On the other hand, be safe from danger automatic decision reminding effect, may send out
When raw dangerous can not the very first time general family；Another further aspect, for mobile terminal towards direction with
And external light source brightness has higher requirements.
It should be noted that information is only used for strengthening to this public affairs disclosed in above-mentioned background section
The understanding for the background opened, therefore can include not forming to known to persons of ordinary skill in the art existing
There is the information of technology.
The content of the invention
The purpose of the disclosure is to provide a kind of mobile terminal hazards monitoring device, mobile terminal danger
The mobile terminal of monitoring method and application the mobile terminal hazards monitoring device, at least one
Determine to overcome in degree one or more problems caused by the limitation of correlation technique and defect.
Other characteristics and advantage of the disclosure will be apparent from by following detailed description, or part
Ground is by the practice of the disclosure and acquistion.
According to the first aspect of the embodiment of the present disclosure, there is provided a kind of mobile terminal hazards monitoring device,
Including：
Signal transmitting and receiving module, for launching the detection signal of first frequency and receiving the detecting
The echo-signal for the second frequency that signal monitored target is reflected back；
Distance analysis module, for according to launch the detection signal with receive the echo-signal it
Between time difference obtain the distance between the monitoring object and the mobile terminal；
Velocity analysis module, for the frequency displacement according to the second frequency relative to the first frequency
Obtain the relative velocity between the monitoring object and the mobile terminal；
Hydropac module, for according to the distance between the monitoring object and the mobile terminal
And relative velocity judges whether to need to carry out hydropac.
In a kind of exemplary embodiment of the disclosure, the signal transmitting and receiving module includes：
Signal transmitter unit, for providing the detection signal to transmitting antenna and providing coupled signal；
Signal receiving unit, for receiving the echo-signal and from the signal from reception antenna
Transmitter unit receive the coupled signal and with reference to the coupled signal to the echo-signal at
Reason.
It is described that processing bag is carried out to the echo-signal in a kind of exemplary embodiment of the disclosure
Include：
It is mixed to obtain intermediate-freuqncy signal by local oscillation signal and the echo-signal of the coupled signal；
The intermediate-freuqncy signal is filtered by bandpass filter；
The echo-signal after being handled is amplified to the filtered intermediate-freuqncy signal.
In a kind of exemplary embodiment of the disclosure, wherein：
The signal transmitter unit includes monopole oscillatory type signal projector or the main amplifying type signal that shakes
Transmitter；
The signal receiving unit includes superhet signal receiver or High frequency amplification signal receiver.
In a kind of exemplary embodiment of the disclosure, the distance analysis module includes：
First metrics calculation unit, for being believed according to the transmitting detection signal with receiving the echo
Time difference and the spread speed of the detection signal and echo-signal between number calculate the first distance；
Angle acquiring unit, for obtaining the shifting by the gyro sensor of the mobile terminal
The angle of dynamic terminal relative level；
Second distance computing unit, for relative according to the described first distance and the mobile terminal
The distance between monitoring object described in the angle calculation of horizontal plane and the mobile terminal.
In a kind of exemplary embodiment of the disclosure, the hydropac module includes：
Motion determination unit, for according to relative between the monitoring object and the mobile terminal
Whether monitoring object described in velocity estimated is close to the mobile terminal；
First alarm unit, in the monitoring object close to the mobile terminal, and institute
State when the distance between monitoring object and the mobile terminal is less than pre-determined distance and carry out hydropac；
Second alarm unit, in the monitoring object close to the mobile terminal, and institute
State when the relative velocity between monitoring object and the mobile terminal is more than pre-set velocity and carry out hydropac.
In a kind of exemplary embodiment of the disclosure, the hydropac module also includes：
Parameter setting unit, for receiving the parameter of input and judging the parameter whether in default
In the range of, and the parameter preset according to the parameter setting when being in the preset range away from
From and/or pre-set velocity.
In a kind of exemplary embodiment of the disclosure, the mobile terminal hazards monitoring device also wraps
Include：
Voltage compensating circuit, it is connected with the power supply of the mobile terminal, for the mobile terminal
The boost in voltage that provides of power supply after provide to the signal transmitting and receiving module.
In a kind of exemplary embodiment of the disclosure, the mobile terminal hazards monitoring device also wraps
Include：
State monitoring module, for monitoring the screen state and motion state of the mobile terminal, and
When the mobile terminal is in bright screen state and mobile status simultaneously, the mobile terminal danger is run
Dangerous monitoring device.
According to the second aspect of the embodiment of the present disclosure, there is provided a kind of mobile terminal hazards monitoring method,
Including：
Launch the detection signal of first frequency and receive the detection signal monitored target reflection
The echo-signal of the second frequency returned；
According to the time difference acquisition launched between the detection signal and the reception echo-signal
The distance between monitoring object and the mobile terminal；
According to the second frequency relative to the frequency displacement of the first frequency obtain the monitoring object with
Relative velocity between the mobile terminal；
Judged according to the distance between the monitoring object and described mobile terminal and relative velocity be
It is no to need to carry out hydropac.
In a kind of exemplary embodiment of the disclosure, the detection signal for launching first frequency
And receive the echo-signal of the second frequency that the detection signal monitored target is reflected back and include：
The detection signal is provided to transmitting antenna and coupled signal is provided；
The echo-signal and the reception coupled signal are received from reception antenna and with reference to the coupling
Signal is closed to handle the echo-signal.
It is described that processing bag is carried out to the echo-signal in a kind of exemplary embodiment of the disclosure
Include：
It is mixed to obtain intermediate-freuqncy signal by local oscillation signal and the echo-signal of the coupled signal；
The intermediate-freuqncy signal is filtered by bandpass filter；
The echo-signal after being handled is amplified to the filtered intermediate-freuqncy signal.
It is described to obtain the monitoring object and the shifting in a kind of exemplary embodiment of the disclosure
The distance between dynamic terminal includes：
According to launching the detection signal and receive time difference between the echo-signal and described detect
The spread speed for surveying signal and echo-signal calculates the first distance；
The mobile terminal relative level is obtained by the gyro sensor of the mobile terminal
Angle；
The prison according to the angle calculation of the described first distance and the mobile terminal relative level
Survey the distance between object and the mobile terminal.
It is described to judge whether to need to carry out hydropac in a kind of exemplary embodiment of the disclosure
Including：
The monitoring pair is judged according to the relative velocity between the monitoring object and the mobile terminal
It is as if no close to the mobile terminal；
In the monitoring object close to the mobile terminal, and the monitoring object and the shifting
The distance of dynamic terminal room carries out hydropac when being less than pre-determined distance；
In the monitoring object close to the mobile terminal, and the monitoring object and the shifting
The relative velocity of dynamic terminal room carries out hydropac when being more than pre-set velocity.
In a kind of exemplary embodiment of the disclosure, the hydropac module also includes：
Receive the parameter of input and judge the parameter whether in preset range, and the parameter
During in the preset range according to the parameter setting pre-determined distance and/or pre-set velocity.
In a kind of exemplary embodiment of the disclosure, the mobile terminal hazards monitoring method is also wrapped
Include：
There is provided after the boost in voltage provided the power supply of the mobile terminal to the signal transmitting and receiving module.
In a kind of exemplary embodiment of the disclosure, the mobile terminal hazards monitoring method is also wrapped
Include：
The screen state and motion state of the mobile terminal are monitored, and in the mobile terminal simultaneously
During in bright screen state and mobile status, the mobile terminal hazards monitoring method is run.
According to the third aspect of the embodiment of the present disclosure, there is provided a kind of mobile terminal, including it is above-mentioned any
A kind of mobile terminal hazards monitoring device.
Technical scheme in disclosure example embodiment, by launching detection signal and being received back to
Ripple signal, and obtained according to detection signal and echo-signal between monitoring object and mobile terminal
Distance and relative velocity, so as to according to the distance between monitoring object and mobile terminal and phase
Whether velocity estimated is needed to carry out hydropac, is reduced because using mobile terminal process notice
Concentrations and ignore the unexpected injury that surrounding environment is brought to human body.Compared to prior art, sheet
Mobile terminal hazards monitoring method and device in a kind of disclosed embodiment, on the one hand, without making
With the rear camera of extremely power consumption, thus can more power saving, mobile terminal continuation of the journey is influenceed compared with
It is small；On the other hand, hydropac can be carried out automatically according to distance and two kinds of factors of relative velocity,
Not only danger judgement is more accurate, and can before it may cause danger the very first time notify user；
Another further aspect, require relatively low towards direction and external environment for mobile terminal, it is easy to accomplish.
It should be appreciated that the general description and following detailed description of the above are only exemplary reconciliation
The property released, the disclosure can not be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and forms the part of this specification, shows and meets
Embodiment of the disclosure, and be used to together with specification to explain the principle of the disclosure.It should be evident that
Drawings in the following description are only some embodiments of the present disclosure, for ordinary skill people
For member, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 schematically shows a kind of mobile terminal hazards monitoring device in disclosure exemplary embodiment
Block diagram.
Fig. 2 schematically shows a kind of structure chart of signal transmitting and receiving module in disclosure exemplary embodiment.
Fig. 3 schematically shows a kind of block diagram of distance analysis module in disclosure exemplary embodiment.
Fig. 4 schematically shows a kind of distance analysis schematic diagram in disclosure exemplary embodiment.
Fig. 5 schematically shows a kind of block diagram of danger warning module in disclosure exemplary embodiment.
Fig. 6 schematically shows a kind of mobile terminal hazards monitoring method in disclosure exemplary embodiment
Flow chart.
Fig. 7 schematically shows a kind of block diagram of mobile terminal in disclosure exemplary embodiment.
Embodiment
Example embodiment is described more fully with referring now to accompanying drawing.However, example embodiment
It can in a variety of forms implement, and be not understood as limited to example set forth herein；On the contrary, carry
Cause the disclosure will more fully and completely, and by the structure of example embodiment for these embodiments
Think of is comprehensively communicated to those skilled in the art.Described feature, structure or characteristic can be with
Any suitable mode is incorporated in one or more embodiments.In the following description, there is provided
Many details fully understand so as to provide to embodiment of the present disclosure.However, this area
Technical staff will realize the technical scheme that can put into practice the disclosure and omit in the specific detail
It is one or more, or other methods, constituent element, device, step etc. can be used.At it
In the case of it, being not shown in detail or describe known solution, a presumptuous guest usurps the role of the host and causes this public affairs to avoid
The each side opened thickens.
In addition, accompanying drawing is only the schematic illustrations of the disclosure, it is not necessarily drawn to scale.Figure
Middle identical reference represents same or similar part, thus the repetition omitted to them is retouched
State.Some block diagrams shown in accompanying drawing are functional entitys, not necessarily must with physically or logically
Independent entity is corresponding.These functional entitys can be realized using software form, or at one
Or these functional entitys are realized in multiple hardware modules or integrated circuit, or in heterogeneous networks and/or
These functional entitys are realized in processor device and/or microcontroller device.
A kind of mobile terminal hazards monitoring device, the movement are provide firstly in this example embodiment
Terminal hazards monitoring method can apply to mobile phone, tablet personal computer, notebook computer, game machine,
The various mobile terminals such as PDA.It is mobile whole described in this example embodiment with reference to shown in figure 1
Hazards monitoring device is held to include signal transmitting and receiving module 10, distance analysis module 20, velocity analysis
Module 30 and hydropac module 40；Certainly power module, envelope can also in addition be included
The other parts such as die-filling piece, particular determination is not done to this in the present exemplary embodiment.Wherein：
The signal transmitting and receiving module 10 can be used for the detection signal for launching first frequency and connect
Receive the echo-signal for the second frequency that the detection signal monitored target is reflected back.
The distance analysis module 20 can be used for according to launching the detection signal and receive
Time difference between echo-signal obtains the distance between the monitoring object and the mobile terminal.
The velocity analysis module 30 can be used for according to the second frequency relative to described first
The frequency displacement of frequency obtains the relative velocity between the monitoring object and the mobile terminal.
The hydropac module 40 can be used for according to the monitoring object and the mobile terminal
The distance between and relative velocity judge whether to need to carry out hydropac.
The mobile terminal hazards monitoring device in this example embodiment, by launching detecting letter
Number and receives echo-signal, and monitoring object is obtained with moving according to detection signal and echo-signal
The distance between dynamic terminal and relative velocity, so as to according between monitoring object and mobile terminal
Distance and relative velocity judge whether to need to carry out hydropac, reduce because using it is mobile eventually
End process notice concentrations and ignore the unexpected injury that surrounding environment is brought to human body.
Compared to prior art, on the one hand, without using the rear camera of extremely power consumption, therefore
Can more power saving, on mobile terminal continuation of the journey influence it is smaller；On the other hand, can according to distance with
And two kinds of factors of relative velocity carry out hydropac automatically, not only danger judgement is more accurate, and
Can before it may cause danger the very first time notify user；Another further aspect, for mobile terminal
Require relatively low towards direction and external environment, it is easy to accomplish.
Below, the various pieces of above-mentioned each mobile terminal hazards monitoring device are carried out in more detail
Explanation.
With reference to shown in figure 2, in this example embodiment, the signal transmitting and receiving module 10 can wrap
Include signal transmitter unit 11 and signal receiving unit 12.Wherein：
The signal transmitter unit 11 may be used to provide the detection signal to transmitting antenna 14 with
And provide coupled signal.
With reference to described in figure 2, signal transmitter unit 11 can provide a carrier wave by control and place
The high-power RF energy that unit 13 is modulated is managed, by power amplification unit and feeder system and receipts
RF energy, (i.e. described detection signal) is transferred to coupling list to hair switch etc. in the form of an electromagnetic wave
Member is simultaneously radiated in space by transmitting antenna 14.In addition, in this example embodiment, the coupling
Coupled signal can also be provided to the signal receiving unit 12 by closing unit, on the coupled signal
It is described below.
In this example embodiment, the signal transmitter unit 11 can for example include monopole oscillatory type
Signal projector or the main signal projectors such as amplifying type signal projector that shake.Wherein：
Monopole oscillatory type signal projector is simple in construction, cost is relatively low, while makes in the terminal
Reduced with monopole oscillatory type signal projector for the endurance of mobile terminal less.Monopole vibrates
Formula signal projector directly produces high-power RF signal by one-level high-yield generator, and is controlled
System and the control of processing unit 13, therefore can export one is by control and processing unit 13
The high-power RF signal of modulation.But if precision needs higher, monopole oscillatory type signal hair
Emitter can not often meet to require, then can use and lead the amplifying type signal projector that shake, it form frame
Frame is formed on the basis of the composition framework of monopole oscillatory type signal projector.
For signal transmitter unit 11, generally the final amplifier of signal projector (or is shaken
Swinging device) radio-frequency power of delivering to feeder system is referred to as the power output of transmitter, the direct shadow of its size
Ring the accuracy to monitoring.The difference of signal form, it is also different to the regulation of power output, to even
Continuous electromagnetic wave, transmitter power output are continuous wave powers, and for impulse type transmitter, it is defeated
Go out power and be divided into peak power and mean power again.Those skilled in the art can be according to actual accurate
Degree needs the power output of selection signal transmitter, and special limit is not done to this in the present exemplary embodiment
It is fixed.
The signal receiving unit 12 can be used for from reception antenna 15 receive the echo-signal with
And receive the coupled signal and with reference to the coupled signal to institute from the signal transmitter unit 11
Echo-signal is stated to be handled.
In this example embodiment, signal receiving unit 12 can by frequency mixer, bandpass filter and
Amplifier etc. forms, and the echo-signal that frequency mixer can receive reception antenna 15 from signal with sending out
The coupled signal being coupled out in emitter is mixed to obtain intermediate-freuqncy signal；In this example embodiment,
In optical mixing process, the coupled signal that is coupled out is as local oscillation signal, and echo-signal is as penetrating
Frequency signal.Then the high-frequency noise in the intermediate-freuqncy signal can be removed by bandpass filter, directly
One-level ground return up to coupled wave is disturbed, and puts filtered intermediate-freuqncy signal finally by amplifier
The big amplitude range that can be gathered to AD (analog quantity is converted into digital quantity), after being handled
The echo-signal.
In this example embodiment, the signal receiving unit 12 can connect including superhet signal
Receive device.Wherein：
Superhet signal receiver can utilize the locally generated wave of oscillation to be mixed with input signal,
Frequency input signal is transformed to some predetermined frequency.The work of superhet signal receiver
Working frequency scope is very wide, when receiving the input signal of different frequency, can use and change local frequency
Method the intermediate frequency after mixing is remained fixed numerical value.But in other exemplary realities of the disclosure
Apply in example, the signal receiving unit 12 can also include other classes such as High frequency amplification signal receiver
The signal receiver of type, particular determination is not done to this in the present exemplary embodiment.
For signal receiving unit 12, its leading indicator includes the noise system of signal receiver
Number, sensitivity, dynamic range, working band width, the frequency stability etc. of frequency source.Ability
Field technique personnel can be according to the above-mentioned parameter for being actually needed selection signal receiver, this exemplary reality
Apply and do not do particular determination in example to this.
With reference to shown in figure 3, in this example embodiment, the signal transmitting and receiving module 10 can wrap
Include the first metrics calculation unit 21, angle acquiring unit 22 and second distance computing unit 23.
Wherein：
First metrics calculation unit 21 can be used for according to the transmitting detection signal with receiving
Time difference and the spread speed of the detection signal and echo-signal between the echo-signal calculate
First distance.For example, between the transmitting detection signal and the reception echo-signal
Time difference be T, the detection signal and the echo-signal spread speed V in atmosphere, then
The first distance S1=1/2VT can be calculated.
The angle acquiring unit 22 can be used for the gyro sensor by the mobile terminal
Obtain the angle of the mobile terminal relative level.When mobile terminal relative level deflects
When, the actuating arm of the gyro sensor in the mobile terminal can be in the presence of Coriolis force
Shake, and then gyro sensor can obtain the mobile terminal relative level accordingly
Angle and transmitting into the system of mobile terminal is called for the angle acquiring unit 22.
The second distance computing unit 23 can be used for according to the described first distance and the shifting
The distance between monitoring object and the mobile terminal described in the angle calculation of dynamic terminal relative level.
With reference to shown in figure 4, the first distance that the first metrics calculation unit 21 is calculated is the monitoring
Actual range between object and the mobile terminal, but typically, user is it is desirable that described
Horizontal range between monitoring object and the mobile terminal, the horizontal range can for example pass through three
Angle function is calculated.
But it should be recognized that in other exemplary embodiments of the disclosure, if for distance
Judge that required precision is relatively low, then the monitoring object and institute directly can be used as using the described first distance
The distance between mobile terminal is stated, is not limited thereto in the present exemplary embodiment.
The velocity analysis module 30 can be used for according to the second frequency relative to described first
The frequency displacement of frequency obtains the relative velocity between the monitoring object and the mobile terminal.
According to the principle of Doppler effect, if the monitoring object that the detection signal runs into is to fix not
Dynamic, then the frequency for the echo-signal returned that rebounds is identical with the frequency of detection signal.However,
If monitoring object be towards close to the direction of the transmitting position of detection signal advance when, now institute's echo
The frequency of signal will increase；Conversely, if monitoring object is towards the transmitting position away from detection signal
Direction advance, now the frequency of institute's echo-signal will reduce, therefore, based on the second frequency
Relative to the frequency displacement of the first frequency, it can be determined that monitoring object is relative to the mobile terminal
Relative velocity.
For example, the frequency of the detection signal is f, and the frequency of the echo-signal is f ', institute
Detection signal and the echo-signal spread speed V in atmosphere are stated, monitoring object is relative to described
The relative velocity of mobile terminal is v, then v=V (f '-f)/f.When result of calculation is 0, then illustrate
Monitoring object is 0 relative to the relative velocity of the mobile terminal, when result of calculation is positive number,
Then illustrate monitoring object relatively close to the mobile terminal, when result of calculation is negative,
Then illustrate monitoring object away from the mobile terminal.
With reference to shown in figure 5, in this example embodiment, the hydropac module 40 can wrap
Include motion determination unit 41, the first alarm unit 42 and the second alarm unit 43.Wherein：
The motion determination unit 41 can be used for according to the monitoring object and the mobile terminal
Between relative velocity judge the monitoring object whether close to the mobile terminal.As above institute
State, according to doppler principle be calculated relative velocity between monitoring object and mobile terminal it
Afterwards, it can determine whether the monitoring object whether close to described according to the positive and negative of the relative velocity
Mobile terminal.
First alarm unit 42 can be used in the monitoring object close to the movement
Terminal, and endangered when the distance between the monitoring object and the mobile terminal is less than pre-determined distance
Dangerous alarm.When judging that the distance between the monitoring object and the mobile terminal is less than pre-determined distance,
Then illustrate that the distance between monitoring object and the mobile terminal may be excessively near, user may bump against prison
Survey object, it is therefore desirable to carry out hydropac.The mode for carrying out hydropac can be voice reminder,
It can also be the other modes such as word prompting or vibrations, spy is not to this in this example embodiment
It is different to limit.
Second alarm unit 43 can be used in the monitoring object close to the movement
Terminal, and enter when the relative velocity between the monitoring object and the mobile terminal is more than pre-set velocity
Row hydropac.Relative velocity between the monitoring object and the mobile terminal is more than default speed
When spending, then it may be high-speed moving object to illustrate monitoring object, potential safety hazard be present, it is therefore desirable to
Carry out hydropac.The mode for carrying out hydropac can be that voice reminder or word carry
Wake up or the other modes such as vibrations, particular determination is not done to this in this example embodiment.
Shown in Fig. 5, in this example embodiment, the hydropac module 40 is also
Parameter setting unit 44 can be included.Wherein：
The parameter setting unit 44 can be used for receiving the parameter of input and judge that the parameter is
It is no in the preset range, and the parameter when being in the preset range according to the parameter setting
The pre-determined distance and/or pre-set velocity.When user by the pre-determined distance set it is smaller when, institute
The power for launching the detection signal can suitably be reduced by stating signal transmitting and receiving module 10, and then save electricity
Energy.But in order to avoid false judgment caused by the improper setting of user, a default model can be pre-set
Enclose, and whether the parameter verified after change is in the preset range；When the parameter exceeds
During the preset range, then user's setup failed is prompted.The preset range can by manufacturer according to
Be actually needed setting, the size of the pre-set velocity and pre-determined distance can by user's sets itself,
Particular determination is not done in the present exemplary embodiment to this.
In a kind of exemplary embodiment of the disclosure, the mobile terminal hazards monitoring device may be used also
With including voltage compensating circuit.Wherein：
The voltage compensating circuit is connected with the power supply of the mobile terminal, can be used for the shifting
There is provided after the boost in voltage that the power supply of dynamic terminal provides to the signal transmitting and receiving module 10.
By setting voltage compensating circuit, the power source loads ability of the mobile terminal can be improved,
And then the signal transmitting and receiving module 10 can be supported with detection signal described in more power emissions；By
In the power decision early warning range of the mobile terminal hazards monitoring device of the detection signal,
Therefore by setting the voltage compensating circuit to lift the mobile terminal hazards monitoring device
Reliability and accuracy.In addition, can also be without using high power consumption by using compensation circuit
In the case of mobile terminal can be saved, and then reduce for mobile terminal continuation of the journey influence.
In this example embodiment, the voltage compensating circuit can include inverter circuit, boosting
Transformer, rectification circuit and filter circuit etc.；For example, can be by the inverter circuit to institute
Boosted after stating the output progress inversion of the power supply of mobile terminal using step-up transformer, by whole
Output of the current circuit to step-up transformer carries out rectification, and by filter circuit to the defeated of rectification circuit
Go out after being filtered and powered for mobile terminal hazards monitoring device.In other exemplary realities of the disclosure
Apply in example, the voltage compensating circuit can also be include inverter circuit, step-up transformer and by
Rectification multiple pressuring circuit of diode and electric capacity composition etc..In other exemplary embodiments of the disclosure,
The voltage compensating circuit can also be to be realized by existing IC chip.In the disclosure
In more exemplary embodiments, those skilled in the art also can realize the voltage using more multimode
Compensation circuit, particular determination is not done to this in the present exemplary embodiment.
Further, in this example embodiment, the mobile terminal hazards monitoring device can be with
Including state monitoring module.Wherein：
The state monitoring module can be used for the screen state for monitoring the mobile terminal and motion shape
State, and when the mobile terminal is in bright screen state and mobile status simultaneously, run the movement
Terminal hazards monitoring device.
In this example embodiment, display control that the state monitoring module passes through the mobile terminal
Molding block can obtain whether the mobile terminal is in bright screen state, pass through the mobile terminal
Velocity sensor can obtain the motion state of the mobile terminal.When simultaneously the mobile terminal is located
When bright screen state and mobile status, it can be determined that user uses mobile phone during moving,
Potential safety hazard is there may be, therefore can be carried out with mobile terminal hazards monitoring device described in automatic running
Danger early warning.In user's not actively process corresponding to turning-off mobile terminal hazards monitoring device, institute
Mobile terminal hazards monitoring device is stated by continuous service, but user can also active termination mobile terminal
Process corresponding to hazards monitoring device reduces the purpose of energy consumption to reach, right in the present exemplary embodiment
This does not do particular determination.
Further, a kind of mobile terminal hazards monitoring method is additionally provided in this example embodiment.
With reference to shown in figure 6, the mobile terminal hazards monitoring method can include：
S10. launch the detection signal of first frequency and receive monitored pair of the detection signal
As the echo-signal of second frequency being reflected back；
S20. obtained according to the time difference launched between the detection signal and the reception echo-signal
Take the distance between the monitoring object and the mobile terminal；
S30. the monitoring is obtained relative to the frequency displacement of the first frequency according to the second frequency
Relative velocity between object and the mobile terminal；
S40. according to the distance between the monitoring object and the mobile terminal and relative velocity
Judge whether to need to carry out hydropac.
In this example embodiment, described in the detection signal for launching first frequency and reception
The echo-signal for the second frequency that detection signal monitored target is reflected back can include：
The detection signal is provided to transmitting antenna 14 and coupled signal is provided；
The echo-signal is received from reception antenna 15 and is received the coupled signal and is combined institute
Coupled signal is stated to handle the echo-signal.
It is described processing is carried out to the echo-signal to include in this example embodiment：
It is mixed to obtain intermediate-freuqncy signal by local oscillation signal and the echo-signal of the coupled signal；
The intermediate-freuqncy signal is filtered by bandpass filter；
The echo-signal after being handled is amplified to the filtered intermediate-freuqncy signal.
In this example embodiment, between the acquisition monitoring object and the mobile terminal
Distance can include：
According to launching the detection signal and receive time difference between the echo-signal and described detect
The spread speed for surveying signal and echo-signal calculates the first distance；
The mobile terminal relative level is obtained by the gyro sensor of the mobile terminal
Angle；
The prison according to the angle calculation of the described first distance and the mobile terminal relative level
Survey the distance between object and the mobile terminal.
It is described to judge whether to need progress hydropac to include in this example embodiment：
The monitoring pair is judged according to the relative velocity between the monitoring object and the mobile terminal
It is as if no close to the mobile terminal；
In the monitoring object close to the mobile terminal, and the monitoring object and the shifting
The distance of dynamic terminal room carries out hydropac when being less than pre-determined distance；
In the monitoring object close to the mobile terminal, and the monitoring object and the shifting
The relative velocity of dynamic terminal room carries out hydropac when being more than pre-set velocity.
In this example embodiment, the hydropac module 40 can also include：
Receive the parameter of input and judge the parameter whether in preset range, and the parameter
During in the preset range according to the parameter setting pre-determined distance and/or pre-set velocity.
In this example embodiment, the mobile terminal hazards monitoring method can also include：
There is provided after the boost in voltage provided the power supply of the mobile terminal to the signal transmitting and receiving module
10。
In this example embodiment, the mobile terminal hazards monitoring method can also include：
The screen state and motion state of the mobile terminal are monitored, and in the mobile terminal simultaneously
During in bright screen state and mobile status, the mobile terminal hazards monitoring method is run.
The detail of each step is in corresponding movement in above-mentioned mobile terminal hazards monitoring method
It is described in detail in terminal hazards monitoring device, therefore here is omitted.
If it should be noted that although the equipment for action executing is referred in above-detailed
Dry module or unit, but this division is not enforceable.In fact, according to the disclosure
The feature and function of embodiment, two or more above-described modules or unit can be one
Embodied in individual module or unit.Conversely, an above-described module or the feature of unit
It can be further divided into being embodied by multiple modules or unit with function.
In addition, although describing each step of method in the disclosure with particular order in the accompanying drawings,
But this does not require that or implied and must perform these steps according to the particular order, or
Desired result could be realized by having to carry out the step shown in whole.It is additional or alternative, can be with
Some steps are omitted, multiple steps are merged into a step is performed, and/or one is walked
Suddenly execution of multiple steps etc. are decomposed into.
Further, a kind of mobile terminal, including above-mentioned are additionally provided in this example embodiment
The mobile terminal hazards monitoring device for anticipating a kind of.Fig. 7 is shown according in disclosure example embodiment
A kind of schematic diagram of mobile terminal 300.For example, mobile terminal 300 can be mobile phone, meter
Calculation machine, digital broadcast terminal, messaging devices, intelligent sound box, intelligent television, game control
Platform, tablet device, Medical Devices, body-building equipment, personal digital assistant etc..
Reference picture 7, mobile terminal 300 can include following one or more assemblies：Processing component
302, memory 304, power supply module 306, multimedia groupware 308, audio-frequency assembly 310 is defeated
Enter/export the interface 312 of (I/O), sensor cluster 314, and communication component 316.
Processing component 302 generally controls the integrated operation of mobile terminal 300, electric such as with display
Words calling, data communication, the camera operation operation associated with record operation.Processing component 302
Execute instruction can be carried out including one or more processors 320, to complete the whole of above-mentioned method
Or part steps.In addition, processing component 302 can include one or more modules, it is easy to handle
Interaction between component 302 and other assemblies.For example, processing component 302 can include multimedia
Module, to facilitate the interaction between multimedia groupware 304 and processing component 302.
Memory 304 is configured as storing various types of data to support the operation in equipment 300.
The example of these data includes being used for any application program or method operated on mobile terminal 300
Instruction, contact data, telephone book data, message, picture, video etc..Memory 304
It can be realized by any kind of volatibility or non-volatile memory device or combinations thereof, such as
Static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM),
Erasable Programmable Read Only Memory EPROM (EPROM), programmable read only memory (PROM),
Read-only storage (ROM), magnetic memory, flash memory, disk or CD.
Power supply module 306 provides power supply for the various assemblies of mobile terminal 300.Power supply module 306
It can include power-supply management system, one or more power supplys, and other are for mobile terminal 300 with giving birth to
The component associated into, management and distribution power supply.
The offer one that multimedia groupware 308 is included between the mobile terminal 300 and user is defeated
The screen of outgoing interface.In certain embodiments, screen can include liquid crystal display (LCD) and
Touch panel (TP).If screen includes touch panel, screen may be implemented as touch-screen,
To receive the input signal from user.Touch panel includes one or more touch sensors to feel
The gesture surveyed on touch, slip and touch panel.The touch sensor can not only sensing touch
Or the border of sliding action, but also detect the duration related to the touch or slide
And pressure.In certain embodiments, multimedia groupware 308 include a front camera and/or after
Put camera.It is preposition during such as screening-mode or video mode when equipment 300 is in operator scheme
Camera and/or rear camera can receive the multi-medium data of outside.Each front camera
It can be a fixed optical lens system with rear camera or there is focal length and optical zoom energy
Power.
Audio-frequency assembly 310 is configured as output and/or input audio signal.For example, audio-frequency assembly
310 include a microphone (MIC), when mobile terminal 300 is in operator scheme, such as call mould
When formula, logging mode and speech recognition mode, microphone is configured as receiving external audio signal.
The audio signal received can be further stored in memory 304 or via communication component 316
Send.In certain embodiments, audio-frequency assembly 310 also includes a loudspeaker, for exporting sound
Frequency signal.
I/O interfaces 312 provide interface between processing component 302 and peripheral interface module, above-mentioned
Peripheral interface module can be keyboard, click wheel, button etc..These buttons may include but be not limited to：
Home button, volume button, start button and locking press button.
Sensor cluster 314 includes one or more sensors, for being provided for mobile terminal 300
The state estimation of various aspects.For example, sensor cluster 314 can detect beating for equipment 300
Opening/closing state, the relative positioning of component, such as the component are the display of mobile terminal 300
And keypad, sensor cluster 314 can also detect mobile terminal 300 or mobile terminal 300 1
The position of individual component changes, the existence or non-existence that user contacts with mobile terminal 300, mobile whole
Hold 300 orientation or acceleration/deceleration and the temperature change of mobile terminal 300.Sensor cluster 314 can
Including proximity transducer, to be configured to detect object nearby in no any physical contact
Presence.Sensor cluster 314 can also include optical sensor, such as CMOS or ccd image
Sensor, for being used in imaging applications.In certain embodiments, the sensor cluster 314
Acceleration transducer, gyro sensor, Magnetic Sensor, pressure sensor or temperature can also be included
Spend sensor.
Communication component 316 is configured to facilitate wired between mobile terminal 300 and other equipment or nothing
The communication of line mode.Mobile terminal 300 can access the wireless network based on communication standard, such as
WiFi, 2G or 3G, or combinations thereof.In one exemplary embodiment, communication component
316 receive broadcast singal or the related letter of broadcast from external broadcasting management system via broadcast channel
Breath.In one exemplary embodiment, the communication component 316 also includes near-field communication (NFC)
Module, to promote junction service.For example, radio frequency identification (RFID) can be based in NFC module
Technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology, bluetooth (BT)
Technology and other technologies are realized.
In the exemplary embodiment, mobile terminal 300 can be integrated by one or more application specifics
Circuit (ASIC), digital signal processor (DSP), digital signal processing appts (DSPD),
PLD (PLD), field programmable gate array (FPGA), controller, micro-control
Device, microprocessor or other electronic components processed are realized, for performing the above method.
Those skilled in the art will easily think after considering specification and putting into practice invention disclosed herein
To other embodiments of the disclosure.The application be intended to any modification of the disclosure, purposes or
Person's adaptations, the generality that these modifications, purposes or adaptations follow the disclosure are former
Manage and including the undocumented common knowledge or conventional techniques in the art of the disclosure.Say
Bright book and embodiment are considered only as exemplary, and the true scope of the disclosure and spirit are by appended power
Profit requires to point out.
Claims (14)
- A kind of 1. mobile terminal hazards monitoring device, it is characterised in that including：Signal transmitting and receiving module, for launching the detection signal of first frequency and receiving the detecting The echo-signal for the second frequency that signal monitored target is reflected back；Distance analysis module, for according to launch the detection signal with receive the echo-signal it Between time difference obtain the distance between the monitoring object and the mobile terminal；Velocity analysis module, for the frequency displacement according to the second frequency relative to the first frequency Obtain the relative velocity between the monitoring object and the mobile terminal；Hydropac module, for according to the distance between the monitoring object and the mobile terminal And relative velocity judges whether to need to carry out hydropac.
- 2. mobile terminal hazards monitoring device according to claim 1, it is characterised in that institute Stating signal transmitting and receiving module includes：Signal transmitter unit, for providing the detection signal to transmitting antenna and providing coupled signal；Signal receiving unit, for receiving the echo-signal and from the signal from reception antenna Transmitter unit receive the coupled signal and with reference to the coupled signal to the echo-signal at Reason；Wherein, it is described processing is carried out to the echo-signal to include：It is mixed to obtain intermediate-freuqncy signal by local oscillation signal and the echo-signal of the coupled signal；The intermediate-freuqncy signal is filtered by bandpass filter；The echo-signal after being handled is amplified to the filtered intermediate-freuqncy signal.
- 3. mobile terminal hazards monitoring device according to claim 2, it is characterised in that its In：The signal transmitter unit includes monopole oscillatory type signal projector or the main amplifying type signal that shakes Transmitter；The signal receiving unit includes superhet signal receiver or High frequency amplification signal receiver.
- 4. mobile terminal hazards monitoring device according to claim 1, it is characterised in that institute Stating distance analysis module includes：First metrics calculation unit, for being believed according to the transmitting detection signal with receiving the echo Time difference and the spread speed of the detection signal and echo-signal between number calculate the first distance；Angle acquiring unit, for obtaining the shifting by the gyro sensor of the mobile terminal The angle of dynamic terminal relative level；Second distance computing unit, for relative according to the described first distance and the mobile terminal The distance between monitoring object described in the angle calculation of horizontal plane and the mobile terminal.
- 5. mobile terminal hazards monitoring device according to claim 1, it is characterised in that institute Stating hydropac module includes：Motion determination unit, for according to relative between the monitoring object and the mobile terminal Whether monitoring object described in velocity estimated is close to the mobile terminal；First alarm unit, in the monitoring object close to the mobile terminal, and institute State when the distance between monitoring object and the mobile terminal is less than pre-determined distance and carry out hydropac；Second alarm unit, in the monitoring object close to the mobile terminal, and institute State when the relative velocity between monitoring object and the mobile terminal is more than pre-set velocity and carry out hydropac；Parameter setting unit, for receiving the parameter of input and judging the parameter whether in default In the range of, and the parameter preset according to the parameter setting when being in the preset range away from From and/or pre-set velocity.
- 6. mobile terminal hazards monitoring device according to claim 1, it is characterised in that institute Stating mobile terminal hazards monitoring device also includes：Voltage compensating circuit, it is connected with the power supply of the mobile terminal, for the mobile terminal The boost in voltage that provides of power supply after provide to the signal transmitting and receiving module.
- 7. the mobile terminal hazards monitoring device according to claim 1~6 any one, it is special Sign is that the mobile terminal hazards monitoring device also includes：State monitoring module, for monitoring the screen state and motion state of the mobile terminal, and When the mobile terminal is in bright screen state and mobile status simultaneously, the mobile terminal danger is run Dangerous monitoring device.
- A kind of 8. mobile terminal hazards monitoring method, it is characterised in that including：Launch the detection signal of first frequency and receive the detection signal monitored target reflection The echo-signal of the second frequency returned；According to the time difference acquisition launched between the detection signal and the reception echo-signal The distance between monitoring object and the mobile terminal；According to the second frequency relative to the frequency displacement of the first frequency obtain the monitoring object with Relative velocity between the mobile terminal；Judged according to the distance between the monitoring object and described mobile terminal and relative velocity be It is no to need to carry out hydropac.
- 9. mobile terminal hazards monitoring method according to claim 8, it is characterised in that institute State the detection signal for launching first frequency and receive the detection signal monitored target and be reflected back The echo-signal of second frequency include：The detection signal is provided to transmitting antenna and coupled signal is provided；The echo-signal and the reception coupled signal are received from reception antenna and with reference to the coupling Signal is closed to handle the echo-signal；Wherein, it is described that the echo-signal is handled Including：It is mixed to obtain intermediate-freuqncy signal by local oscillation signal and the echo-signal of the coupled signal；The intermediate-freuqncy signal is filtered by bandpass filter；The echo-signal after being handled is amplified to the filtered intermediate-freuqncy signal.
- 10. mobile terminal hazards monitoring method according to claim 8, it is characterised in that institute State and obtain the distance between the monitoring object and described mobile terminal and include：According to launching the detection signal and receive time difference between the echo-signal and described detect The spread speed for surveying signal and echo-signal calculates the first distance；The mobile terminal relative level is obtained by the gyro sensor of the mobile terminal Angle；The prison according to the angle calculation of the described first distance and the mobile terminal relative level Survey the distance between object and the mobile terminal.
- 11. mobile terminal hazards monitoring method according to claim 10, it is characterised in that It is described to judge whether to need progress hydropac to include：The monitoring pair is judged according to the relative velocity between the monitoring object and the mobile terminal It is as if no close to the mobile terminal；In the monitoring object close to the mobile terminal, and the monitoring object and the shifting The distance of dynamic terminal room carries out hydropac when being less than pre-determined distance；In the monitoring object close to the mobile terminal, and the monitoring object and the shifting The relative velocity of dynamic terminal room carries out hydropac when being more than pre-set velocity；AndReceive the parameter of input and judge the parameter whether in preset range, and the parameter During in the preset range according to the parameter setting pre-determined distance and/or pre-set velocity.
- 12. mobile terminal hazards monitoring method according to claim 8, it is characterised in that institute Stating mobile terminal hazards monitoring method also includes：There is provided after the boost in voltage provided the power supply of the mobile terminal to signal transmitting and receiving module.
- 13. the mobile terminal hazards monitoring method according to claim 8~12 any one, its It is characterised by, the mobile terminal hazards monitoring method also includes：The screen state and motion state of the mobile terminal are monitored, and in the mobile terminal simultaneously During in bright screen state and mobile status, the mobile terminal hazards monitoring method is run.
- 14. a kind of mobile terminal, it is characterised in that including according to claim 1~7 any one institute The mobile terminal hazards monitoring device stated.
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| CN201610353846.2A CN107437322A (en) | 2016-05-25 | 2016-05-25 | Mobile terminal, mobile terminal hazards monitoring device and method |
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| CN201610353846.2A CN107437322A (en) | 2016-05-25 | 2016-05-25 | Mobile terminal, mobile terminal hazards monitoring device and method |
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| CN113138380A (en) * | 2020-01-17 | 2021-07-20 | 北京小米移动软件有限公司 | Control method and device of function module, mobile terminal and storage medium |
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Application publication date: 20171205 |