CN109828665A - Human eye method of adjustment, display and storage medium at a distance from display screen interlude - Google Patents
Human eye method of adjustment, display and storage medium at a distance from display screen interlude Download PDFInfo
- Publication number
- CN109828665A CN109828665A CN201910048565.XA CN201910048565A CN109828665A CN 109828665 A CN109828665 A CN 109828665A CN 201910048565 A CN201910048565 A CN 201910048565A CN 109828665 A CN109828665 A CN 109828665A
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- distance
- circuit system
- signal
- measurement circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Method of adjustment that the invention discloses a kind of human eyes at a distance from display screen interlude, method includes the following steps: by issuing ultrasonic signal using ultrasonic distance measurement circuit system, and receive the echo-signal reflected through target face, the duration for being sent completely and finishing receiving of ultrasonic signal is recorded, the actual range between indicator screen and target face is calculated according to timing duration and the default velocity of sound, actual range and pre-determined distance range are compared, if not within the scope of the first pre-determined distance, then utilize the distance between motor-drive circuit driving indicator screen adjustment and target face.Using technical solution provided by the embodiment of the present invention, so that the distance between target face and indicator screen are more suitable, significantly alleviate the anxiety fatigue of human eye, preferably protection user's eyesight.The invention also discloses distance adjusting system, display and the storage mediums of a kind of human eye and display screen interlude, have relevant art effect.
Description
Technical field
The present invention relates to technical field of electronic products, adjust at a distance from display screen interlude more particularly to a kind of human eye
Method, apparatus, display and computer readable storage medium.
Background technique
The study of modern, life and work can not leave display, for office worker, when needing long
Between against indicator screen handle official business.Oneself improvement of many displays at present is liquid crystal display panel circuit design, and it is existing to eliminate screen flicker
As picture is always maintained at clear and smooth, mitigates eye burden.
But user, if the distance of human eye to indicator screen is improper, will equally make when using computer monitor
At the nervous fatigue of human eye, so that user's visual impairment.
In conclusion the distance for how efficiently solving human eye to indicator screen is improper, human eye will equally will cause
Nervous fatigue, so that being current those skilled in the art's urgent problem the problems such as user's visual impairment.
Summary of the invention
The object of the present invention is to provide a kind of human eyes at a distance from display screen interlude, and method of adjustment, this method make target
The distance between face and indicator screen are more suitable, and significantly alleviate the anxiety fatigue of human eye, preferably protection user view
Power；It is a further object of the present invention to provide distance adjusting system, display and the computers of a kind of human eye and display screen interlude
Readable storage medium storing program for executing.
In order to solve the above technical problems, the invention provides the following technical scheme:
A kind of human eye method of adjustment at a distance from display screen interlude, comprising:
Ultrasonic distance measurement circuit system is remembered from transmitting ultrasonic signal to the timing duration for receiving echo-signal
Record；Wherein, the echo-signal ultrasonic signal reflects to obtain through target face；
According to the timing duration and the default velocity of sound, between calculation display screen and the target face it is practical away from
From；
Judge whether the actual range exceeds the first pre-determined distance range；
If so, corresponding driving instruction is sent to motor-drive circuit, so that described in motor-drive circuit driving
The distance between indicator screen adjustment and the target face.
In a kind of specific embodiment of the invention, the ultrasonic wave letter is generated in the ultrasonic distance measurement circuit system
After number, before the ultrasonic distance measurement circuit system emits the ultrasonic signal, further includes:
Ultrasonic signal amplification instruction is sent to the ultrasonic distance measurement circuit system, so that the ultrasonic distance measurement circuit
System amplifies processing to the ultrasonic signal using ultrasonic pulse transformer.
In a kind of specific embodiment of the invention, detecting the ultrasonic distance measurement circuit system to ultrasonic wave letter
Number transmitting complete after, further includes:
Echo-signal amplification instruction is sent to the ultrasonic distance measurement circuit system.
In a kind of specific embodiment of the invention, further includes:
Before sending ultrasonic signal firing order to the ultrasonic distance measurement circuit system, detect towards the display
It whether there is user where device screen within the scope of second pre-determined distance in face；
If so, sending the ultrasonic signal firing order to the ultrasonic distance measurement circuit system.
The distance between a kind of human eye and indicator screen adjustment device, comprising:
Duration logging modle, for ultrasonic distance measurement circuit system from transmitting ultrasonic signal to receiving echo-signal
Timing duration recorded；Wherein, the echo-signal ultrasonic signal reflects to obtain through target face；
Distance calculation module is used for according to the timing duration and the default velocity of sound, calculation display screen and the target
Actual range between face；
Judgment module, for judging whether the actual range exceeds pre-determined distance range；
Driving instruction sending module, for when determining the actual range beyond pre-determined distance range, to motor driven
Circuit sends corresponding driving instruction, so that the motor-drive circuit drives the indicator screen adjustment and the target person
The distance between face.
A kind of display, comprising:
CPU main control chip, for ultrasonic distance measurement circuit system from transmitting ultrasonic signal to receiving echo-signal
Timing duration recorded；According to the timing duration and the default velocity of sound, calculation display screen and the target face it
Between actual range；Judge whether the actual range exceeds the first pre-determined distance range；If so, being sent out to motor-drive circuit
Send corresponding driving instruction；
The ultrasonic distance measurement circuit system, the ultrasonic signal transmission for being sent according to the CPU main control chip refer to
It enables and sends the ultrasonic signal；Receive the echo-signal that the ultrasonic signal is reflected through target face；
The motor-drive circuit, for driving the indicator screen adjustment and the mesh according to the driving instruction
Mark the distance between face.
In a kind of specific embodiment of the invention, the CPU main control chip is also used in the ultrasonic distance measurement electricity
After road system generates the ultrasonic signal, before the ultrasonic distance measurement circuit system emits the ultrasonic signal,
Ultrasonic signal amplification instruction is sent to the ultrasonic distance measurement circuit system；
The ultrasonic distance measurement circuit system is also used to utilize ultrasonic wave arteries and veins according to the ultrasonic signal amplification instruction
It rushes transformer and processing is amplified to the ultrasonic signal.
In a kind of specific embodiment of the invention, the CPU main control chip is also used to detecting the ultrasonic wave
After range-measuring circuit system completes ultrasonic signal transmitting, Xiang Suoshu ultrasonic distance measurement circuit system sends echo-signal amplification
Instruction；
The ultrasonic distance measurement circuit system is also used to according to the echo-signal amplification instruction, using amplifier to institute
It states echo-signal and amplifies processing.
In a kind of specific embodiment of the invention, the CPU main control chip is also used to the ultrasonic distance measurement
Before circuit system sends ultrasonic signal firing order, the second pre-determined distance towards face where the indicator screen is detected
It whether there is user in range；When determining towards there are users within the scope of second pre-determined distance in face where the indicator screen
When, Xiang Suoshu ultrasonic distance measurement circuit system sends the ultrasonic signal firing order.
A kind of computer readable storage medium is stored with computer program on the computer readable storage medium, described
The step of the distance between human eye as previously described and indicator screen method of adjustment are realized when computer program is executed by processor.
Using method provided by the embodiment of the present invention, believed by issuing ultrasonic wave using ultrasonic distance measurement circuit system
Number, and the echo-signal reflected through target face is received, to the duration for being sent completely and finishing receiving of ultrasonic signal
It is recorded, the actual range between indicator screen and target face is calculated according to timing duration and the default velocity of sound, it will be practical
Distance is compared with pre-determined distance range, if being driven using motor-drive circuit aobvious not within the scope of the first pre-determined distance
Show the distance between the adjustment of device screen and target face, so that the distance between target face and indicator screen are more suitable,
Significantly alleviate the anxiety fatigue of human eye, preferably protection user's eyesight.
Correspondingly, the embodiment of the invention also provides with the distance between above-mentioned human eye and indicator screen method of adjustment phase
The distance between corresponding human eye and indicator screen adjust device, display and computer readable storage medium, have above-mentioned
Technical effect, details are not described herein.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of implementation flow chart of human eye method of adjustment at a distance from display screen interlude in the embodiment of the present invention；
Fig. 2 is another implementing procedure of human eye method of adjustment at a distance from display screen interlude in the embodiment of the present invention
Figure；
Fig. 3 is a kind of structural block diagram of human eye and the distance adjusting system of display screen interlude in the embodiment of the present invention；
Fig. 4 is another implementing procedure of human eye method of adjustment at a distance from display screen interlude in the embodiment of the present invention
Figure；
Fig. 5 is a kind of structural block diagram of human eye and the distance adjusting system of display screen interlude in the embodiment of the present invention；
Fig. 6 is a kind of structural block diagram of display in the embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment one:
Referring to Fig. 1, Fig. 1 is a kind of implementation of human eye method of adjustment at a distance from display screen interlude in the embodiment of the present invention
Flow chart, this method may comprise steps of:
S101: to ultrasonic distance measurement circuit system from transmitting ultrasonic signal to receive the timing duration of echo-signal into
Row record.
Wherein, echo-signal is what ultrasonic signal was reflected through target face.
Ultrasonic distance measurement circuit system can be installed additional on the basis of display original circuit in advance, it such as can be by ultrasonic wave
The position with indicator screen in same level is arranged in the emitting head and reception head of range-measuring circuit system；Or it can also incite somebody to action
Emitting head and the setting of reception head are deviating from indicator screen, and the position with indicator screen a distance away, but in advance
Record has emitting head and receives the distance that head arrives indicator screen respectively, facilitates subsequent accurate calculation display screen to human eye
Distance.
As long as the CPU main control chip in terminal can be when in operating status, just in real time to ultrasonic distance measurement circuit
System sends ultrasonic signal and sends instruction so that ultrasonic distance measurement circuit system to indicator screen towards direction send it is super
Acoustic signals, can also when detecting within the scope of indicator screen certain distance there are when user, to indicator screen towards
Direction sends ultrasonic signal.When indicator screen towards direction certain distance within the scope of there are when user, such as by preparatory
The face identification device of setting recognize indicator screen towards direction certain distance within the scope of there are when target person face, ultrasound
The ultrasonic signal that wave range-measuring circuit system is launched can be reflected by target face, obtain echo-signal.Timing course can be with
It is to start Clocked operation, when detecting ultrasound when detecting that ultrasonic distance measurement circuit system is sent completely ultrasonic signal
When wave range-measuring circuit system completes echo signal reception, stops Clocked operation, obtain timing duration.CPU main control chip can be with
Ultrasonic distance measurement circuit system is recorded from transmitting ultrasonic signal to the timing duration for receiving echo-signal.
Target face can be indicator screen towards direction certain distance within the scope of any one existing face
Information.
As shown in Fig. 2, Fig. 2 is the ultrasonic signal transmitting of ultrasonic ranging system in the embodiment of the present invention and receives circuit
Structural schematic diagram.Transmit circuit is by resistance R2, triode BG1, ultrasonic pulse transformer B and ultrasonic wave emitting head T40 structure
At transmit circuit is the transmission of 40kHZ ultrasonic wave square-wave signal, ultrasonic wave by CPU main control chip output end PT.0 driving frequency
After signal is sent, start internal timer timing immediately.Circuit is received by R40, C7、D1、D2And BG3Composition, ultrasonic wave letter
Echo-signal number can be reflected to form through target face, receives the amplifying circuit that circuit uses triode to form, and ultrasonic wave receives head
After receiving echo-signal, multiple impulse waves are demodulated to multiple big pulses by signal after being demodulated by detecting circuit
Wave such as can carry out shaping to waveform using the 1N4148 detector diode in Fig. 2.The input terminal PR.0 of CPU main control chip connects
The return signal of the ultrasound signal receipt circuit output of ultrasonic ranging system is received, phaselocked loop generates lock to this semaphore lock
Determine signal, start CPU main control chip interrupt routine, internal timer stops timing, obtains ultrasonic distance measurement circuit system from hair
Ultrasonic signal is penetrated to the timing duration for receiving echo-signal.CPU main control chip can use high-precision crystal oscillator, to obtain
More stable clock frequency reduces measurement error.
S102: the actual range according to timing duration and the default velocity of sound, between calculation display screen and target face.
It can be previously stored with the velocity of sound of ultrasonic signal propagation, obtaining ultrasonic distance measurement circuit system from transmitting ultrasound
It, can be according to timing duration and the default velocity of sound, calculation display screen after wave signal to the timing duration for receiving echo-signal
Actual range between curtain and target face.Specifically, if the emitting head of ultrasonic distance measurement circuit system and reception head setting exist
With indicator screen in the position of same level, the timing duration measured can be multiplied again with the default velocity of sound divided by 2, be obtained
Actual range between indicator screen and target face.If emitting head and receive head setting deviate from indicator screen, and with
The position of indicator screen a distance away can arrive indicator screen according to being prerecorded with emitting head and receiving head respectively
Distance and timing duration and the default velocity of sound calculate the actual range between indicator screen and target face.
S103: judging whether actual range exceeds the first pre-determined distance range, if so, S104 is thened follow the steps, if it is not, then
It is not processed.
Suitable distance range between indicator screen and target face, i.e. the first pre-determined distance model can be previously provided with
It encloses, after the actual range being calculated between indicator screen and target face, actual range can be preset with first
Distance range compares, and judges whether actual range exceeds the first pre-determined distance range, if actual range is default beyond first
Distance range then illustrates that the distance between user's current eye and indicator screen are improper, and user is kept for a long time with the distance
See indicator screen, it will so that visual impairment, can continue to execute step S104；If actual range is in the first pre-determined distance model
In enclosing, then illustrate user when using display, the distance between eyes and indicator screen are appropriate, do not need to do any tune
Whole processing.
It should be noted that the first pre-determined distance range can be set and be adjusted according to the actual situation, the present invention is real
It applies example not limiting this, such as can be set to 55cm~65cm.
S104: sending corresponding driving instruction to motor-drive circuit, so that motor-drive circuit drives indicator screen
The distance between adjustment and target face.
When by comparing actual range and the first pre-determined distance range, determine actual range beyond first it is default away from
After range, corresponding driving instruction can be sent to motor-drive circuit, so that motor-drive circuit driving display passes
Motivation structure drives indicator screen adjustment the distance between with target face so that between indicator screen and target face away from
From suitable health, and the centre-height that can pre-adjust indicator screen is concordant with the height of eyes of user, can also adjust
The angle of whole indicator screen, preferably to protect the eyesight of user.As shown in figure 3, Fig. 3 is that motor drives in the embodiment of the present invention
The structural schematic diagram of dynamic circuit.U1Chip is direct current generator driving chip, and two output end of motor is respectively OUT1And OUT2。U1It is defeated
Enter to hold EN to can be used for inputting, motor is controlled.(EN connects low and high level, and high level starting, low level stops, by CPU master control
Chip output directly control), CPU main control chip is receiving echo-signal by input terminal PR.0, and obtain actual range and
It, can be with output signal level IN after the comparing result of first pre-determined distance range1And IN2, U1Input signal end IN1Connect high electricity
It is flat, input terminal IN2Low level is connect, motor rotates forward.If signal end IN1Meet low level, IN2Connect high level, motor reversal.To protect
Motor is protected, it can be in direct current generator driving chip U as shown in Figure 31Electric motor protecting electricity is set in the dotted line frame between motor M
Road can significantly reduce the probability that motor M is burnt.
Using method provided by the embodiment of the present invention, believed by issuing ultrasonic wave using ultrasonic distance measurement circuit system
Number, and the echo-signal reflected through target face is received, to the duration for being sent completely and finishing receiving of ultrasonic signal
It is recorded, the actual range between indicator screen and target face is calculated according to timing duration and the default velocity of sound, it will be practical
Distance is compared with pre-determined distance range, if being driven using motor-drive circuit aobvious not within the scope of the first pre-determined distance
Show the distance between the adjustment of device screen and target face, so that the distance between target face and indicator screen are more suitable,
Significantly alleviate the anxiety fatigue of human eye, preferably protection user's eyesight.
It should be noted that based on the above embodiment one, the embodiment of the invention also provides be correspondingly improved scheme.Rear
Involved in continuous embodiment with can mutually be referred between same steps or corresponding steps in above-described embodiment one, corresponding beneficial effect
Can also be cross-referenced, it is no longer repeated one by one in improvement embodiment below.
Embodiment two:
Referring to fig. 4, Fig. 4 is that human eye another kind of method of adjustment at a distance from display screen interlude is real in the embodiment of the present invention
Flow chart is applied, this method may comprise steps of:
S401: detecting and whether there is user within the scope of the second pre-determined distance towards face where indicator screen, if so,
Step S402 is executed, is otherwise not processed.
Can preset the device identified to user, detect second towards face where indicator screen it is default away from
From in range whether there is user.Face identification device such as can be set, user and face identification device can be set certain
In range, face identification device unlatching is carried out, when detecting face information, is likely to the presence of use before illustrating indicator screen
Family is using display, in such a case, it is possible to continue to execute step S402, otherwise, illustrates very big several before indicator screen
Rate is that no user exists, can be without any processing.
It should be noted that the second pre-determined distance range can be set and be adjusted according to the actual situation, the present invention is real
It applies example not limiting this, such as can be 10cm~100cm.And " first " and " second in " the first pre-determined distance range "
" second " in pre-determined distance range ", it to be only to distinguish two distance ranges that there is no points of sequencing.
S402: ultrasonic signal firing order is sent to ultrasonic distance measurement circuit system.
It is determining within the scope of the second pre-determined distance towards face where indicator screen there are after user, it can be to ultrasound
Wave range-measuring circuit system sends ultrasonic signal firing order.So as to which there are ability in the case where user before indicator screen
Order ultrasonic distance measurement circuit system sends ultrasonic signal, before indicator screen when no user, ultrasonic distance measurement circuit system
System does not need transmitting ultrasonic signal, avoids flogging a dead horse, and mitigates the workload of ultrasonic distance measurement circuit system.
S403: after ultrasonic distance measurement circuit system generates ultrasonic signal, ultrasonic distance measurement circuit system is to ultrasound
Before the transmitting of wave signal, ultrasonic signal amplification instruction is sent to ultrasonic distance measurement circuit system.
So that ultrasonic distance measurement circuit system amplifies processing to ultrasonic signal using ultrasonic pulse transformer.
As shown in Fig. 2, after ultrasonic distance measurement circuit system generates ultrasonic signal, ultrasonic distance measurement circuit system pair
Before ultrasonic signal transmitting, CPU main control chip can send ultrasound to ultrasonic distance measurement circuit system by PT.0 output end
Wave signal amplification instruction, ultrasonic pulse transformer B raising are loaded into ultrasonic wave emitting head T40The voltage at both ends, to improve ultrasound
The transmission power of wave, to improve measurement distance.The ultrasonic signal of generation is through triode BG1Push ultrasonic pulse transformer
B forms the vpp voltage of enough level in B grade of ultrasonic pulse transformer, is loaded on ultrasonic wave emitting head T40, and driving is super
Sound wave emitting head T40 emits ultrasonic signal.
S404: after detecting that ultrasonic distance measurement circuit system completes ultrasonic signal transmitting, to ultrasonic distance measurement
Circuit system sends echo-signal amplification instruction.
Since reflected echo-signal is relatively weak, receiving circuit can be amplified.It specifically can be as
Shown in Fig. 2, after detecting that ultrasonic distance measurement circuit system completes ultrasonic signal transmitting, to ultrasonic distance measurement circuit system
System sends echo-signal amplification instruction.The echo-signal received is loaded into BG2、BG3It is put on the dual-stage amplifier of composition
Greatly.
S405: to ultrasonic distance measurement circuit system from transmitting ultrasonic signal to receive the timing duration of echo-signal into
Row record.
Wherein, echo-signal is what ultrasonic signal was reflected through target face.
S406: the actual range according to timing duration and the default velocity of sound, between calculation display screen and target face.
S407: judging whether actual range exceeds the first pre-determined distance range, if so, thening follow the steps S104, otherwise not
It processes.
S408: sending corresponding driving instruction to motor-drive circuit, so that motor-drive circuit drives indicator screen
The distance between adjustment and target face.
Corresponding to above method embodiment, the embodiment of the invention also provides a kind of human eye and display screen interlude away from
From adjustment device, the distance adjusting system and above-described human eye and display of human eye described below and display screen interlude
Reference can be corresponded to each other apart from method of adjustment between screen.
Referring to Fig. 5, Fig. 5 is a kind of structure of human eye and the distance adjusting system of display screen interlude in the embodiment of the present invention
Block diagram, the apparatus may include:
Duration logging modle 51, for being believed from transmitting ultrasonic signal to echo is received ultrasonic distance measurement circuit system
Number timing duration recorded；Wherein, the echo-signal ultrasonic signal reflects to obtain through target face；
Distance calculation module 52 is used for according to the timing duration and the default velocity of sound, calculation display screen and the mesh
Mark the actual range between face；
Judgment module 53, for judging whether the actual range exceeds pre-determined distance range；
Driving instruction sending module 54, for being driven to motor when determining the actual range beyond pre-determined distance range
Dynamic circuit sends corresponding driving instruction, so that the motor-drive circuit drives the indicator screen adjustment and the target
The distance between face.
Using device provided by the embodiment of the present invention, believed by issuing ultrasonic wave using ultrasonic distance measurement circuit system
Number, and the echo-signal reflected through target face is received, to the duration for being sent completely and finishing receiving of ultrasonic signal
It is recorded, the actual range between indicator screen and target face is calculated according to timing duration and the default velocity of sound, it will be practical
Distance is compared with pre-determined distance range, if being driven using motor-drive circuit aobvious not within the scope of the first pre-determined distance
Show the distance between the adjustment of device screen and target face, so that the distance between target face and indicator screen are more suitable,
Significantly alleviate the anxiety fatigue of human eye, preferably protection user's eyesight.
In a kind of specific embodiment of the invention, which can also include:
First amplification instruction sending module, for the ultrasonic distance measurement circuit system generate the ultrasonic signal it
Afterwards, before the ultrasonic distance measurement circuit system is to ultrasonic signal transmitting, Xiang Suoshu ultrasonic distance measurement circuit system hair
Ultrasonic signal amplification instruction is sent, so that the ultrasonic distance measurement circuit system is using ultrasonic pulse transformer to the ultrasound
Wave signal amplifies processing.
In a kind of specific embodiment of the invention, which can also include:
Second amplification instruction sending module, for detecting the ultrasonic distance measurement circuit system to ultrasonic signal hair
It shoots away into later, Xiang Suoshu ultrasonic distance measurement circuit system sends echo-signal amplification instruction.
In a kind of specific embodiment of the invention, which can also include:
User's detection module, for the ultrasonic distance measurement circuit system send ultrasonic signal firing order it
Before, detecting within the scope of the second pre-determined distance towards indicator screen place face whether there is user；
Signal firing order sending module, the second pre-determined distance range for the face where determining the indicator screen
After inside there is user, Xiang Suoshu ultrasonic distance measurement circuit system sends the ultrasonic signal firing order.
Corresponding to above method embodiment, referring to Fig. 6, Fig. 6 is a kind of structural frames of display in the embodiment of the present invention
Figure, the display may include:
CPU main control chip 1, for being believed from transmitting ultrasonic signal to echo is received ultrasonic distance measurement circuit system 2
Number timing duration recorded；Reality according to timing duration and the default velocity of sound, between calculation display screen and target face
Border distance；Judge whether actual range exceeds the first pre-determined distance range；If so, sending corresponding drive to motor-drive circuit
Dynamic instruction；
Ultrasonic distance measurement circuit system 2, the ultrasonic signal for being sent according to CPU main control chip 1 send instruction and send
Ultrasonic signal；The echo-signal that received ultrasonic signal is reflected through target face；
Motor-drive circuit 3, for according to driving instruction, drive between indicator screen adjustment and target face away from
From.
Using display provided by the embodiment of the present invention, believed by issuing ultrasonic wave using ultrasonic distance measurement circuit system
Number, and the echo-signal reflected through target face is received, to the duration for being sent completely and finishing receiving of ultrasonic signal
It is recorded, the actual range between indicator screen and target face is calculated according to timing duration and the default velocity of sound, it will be practical
Distance is compared with pre-determined distance range, if being driven using motor-drive circuit aobvious not within the scope of the first pre-determined distance
Show the distance between the adjustment of device screen and target face, so that the distance between target face and indicator screen are more suitable,
Significantly alleviate the anxiety fatigue of human eye, preferably protection user's eyesight.
In a kind of specific embodiment of the invention, CPU main control chip 1 is also used in ultrasonic distance measurement circuit system 2
After generating ultrasonic signal, before ultrasonic distance measurement circuit system 2 emits ultrasonic signal, to ultrasonic distance measurement circuit system
System 2 sends ultrasonic signal amplification instruction；
Ultrasonic distance measurement circuit system 2 is also used to utilize ultrasonic pulse transformer according to ultrasonic signal amplification instruction
Processing is amplified to ultrasonic signal.
In a kind of specific embodiment of the invention, CPU main control chip 1 is also used to detecting ultrasonic distance measurement electricity
After road system 2 completes ultrasonic signal transmitting, echo-signal amplification instruction is sent to ultrasonic distance measurement circuit system 2；
Ultrasonic distance measurement circuit system 2, is also used to according to echo-signal amplification instruction, using amplifier to echo-signal into
Row enhanced processing.
In a kind of specific embodiment of the invention, CPU main control chip 1 is also used to ultrasonic distance measurement circuit system
Before system 2 sends ultrasonic signal firing order, detecting within the scope of the second pre-determined distance towards face where indicator screen is
It is no that there are users；When determining within the scope of the second pre-determined distance towards face where indicator screen there are when user, to ultrasonic wave
Range-measuring circuit system 2 sends ultrasonic signal firing order.
It is computer-readable the present invention also provides a kind of computer readable storage medium corresponding to above method embodiment
It is stored with computer program on storage medium, can realize following steps when computer program is executed by processor:
Ultrasonic distance measurement circuit system is remembered from transmitting ultrasonic signal to the timing duration for receiving echo-signal
Record；Wherein, echo-signal is what ultrasonic signal was reflected through target face；According to timing duration and the default velocity of sound, calculate
Actual range between indicator screen and target face；Judge whether actual range exceeds the first pre-determined distance range；If so,
Corresponding driving instruction then is sent to motor-drive circuit, so that motor-drive circuit driving indicator screen adjustment and target person
The distance between face.
The computer readable storage medium may include: USB flash disk, mobile hard disk, read-only memory (Read-Only
Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. is various to deposit
Store up the medium of program code.
Above method embodiment is please referred to for the introduction of computer readable storage medium provided by the invention, the present invention exists
This is not repeated them here.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
It sets, for display and computer readable storage medium, since it is corresponded to the methods disclosed in the examples, so the ratio of description
Relatively simple, reference may be made to the description of the method.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand technical solution of the present invention and its core concept.It should be pointed out that for the common of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for technical staff, these
Improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (10)
1. a kind of human eye method of adjustment at a distance from display screen interlude characterized by comprising
Ultrasonic distance measurement circuit system is recorded from transmitting ultrasonic signal to the timing duration for receiving echo-signal；Its
In, the echo-signal ultrasonic signal reflects to obtain through target face；
Actual range according to the timing duration and the default velocity of sound, between calculation display screen and the target face；
Judge whether the actual range exceeds the first pre-determined distance range；
If so, corresponding driving instruction is sent to motor-drive circuit, so that the motor-drive circuit drives the display
The distance between the adjustment of device screen and the target face.
2. human eye according to claim 1 method of adjustment at a distance from display screen interlude, which is characterized in that described super
After sound ranging circuit system generates the ultrasonic signal, the ultrasonic distance measurement circuit system is to the ultrasonic signal
Before transmitting, further includes:
Ultrasonic signal amplification instruction is sent to the ultrasonic distance measurement circuit system, so that the ultrasonic distance measurement circuit system
Processing is amplified to the ultrasonic signal using ultrasonic pulse transformer.
3. the distance between human eye according to claim 1 and indicator screen method of adjustment, which is characterized in that detecting
After being completed to the ultrasonic distance measurement circuit system to ultrasonic signal transmitting, further includes:
Echo-signal amplification instruction is sent to the ultrasonic distance measurement circuit system.
4. the distance between human eye according to any one of claims 1 to 3 and indicator screen method of adjustment, feature exist
In, further includes:
Before sending ultrasonic signal firing order to the ultrasonic distance measurement circuit system, detect towards the display screen
It whether there is user where curtain within the scope of second pre-determined distance in face；
If so, sending the ultrasonic signal firing order to the ultrasonic distance measurement circuit system.
5. the distance between a kind of human eye and indicator screen adjust device characterized by comprising
Duration logging modle, by ultrasonic distance measurement circuit system from transmitting ultrasonic signal to receiving based on echo-signal
Constantly length is recorded；Wherein, the echo-signal ultrasonic signal reflects to obtain through target face；
Distance calculation module is used for according to the timing duration and the default velocity of sound, calculation display screen and the target face
Between actual range；
Judgment module, for judging whether the actual range exceeds pre-determined distance range；
Driving instruction sending module, for when determining the actual range beyond pre-determined distance range, to motor-drive circuit
Send corresponding driving instruction so that the motor-drive circuit drive indicator screen adjustment and the target face it
Between distance.
6. a kind of display characterized by comprising
CPU main control chip, by ultrasonic distance measurement circuit system from transmitting ultrasonic signal to receiving based on echo-signal
Constantly length is recorded；According to the timing duration and the default velocity of sound, between calculation display screen and the target face
Actual range；Judge whether the actual range exceeds the first pre-determined distance range；If so, sending phase to motor-drive circuit
The driving instruction answered；
The ultrasonic distance measurement circuit system, the ultrasonic signal for being sent according to the CPU main control chip send instruction hair
Send the ultrasonic signal；Receive the echo-signal that the ultrasonic signal is reflected through target face；
The motor-drive circuit, for driving the indicator screen adjustment and the target person according to the driving instruction
The distance between face.
7. display according to claim 6, which is characterized in that the CPU main control chip is also used in the ultrasonic wave
After range-measuring circuit system generates the ultrasonic signal, the ultrasonic distance measurement circuit system emits the ultrasonic signal
Before, Xiang Suoshu ultrasonic distance measurement circuit system sends ultrasonic signal amplification instruction；
The ultrasonic distance measurement circuit system is also used to be become according to the ultrasonic signal amplification instruction using ultrasonic pulse
Depressor amplifies processing to the ultrasonic signal.
8. display according to claim 6, which is characterized in that the CPU main control chip, be also used to detect it is described
After ultrasonic distance measurement circuit system completes ultrasonic signal transmitting, Xiang Suoshu ultrasonic distance measurement circuit system sends echo letter
Number amplification instruction；
The ultrasonic distance measurement circuit system is also used to according to the echo-signal amplification instruction, using amplifier to described time
Wave signal amplifies processing.
9. according to the described in any item displays of claim 6 to 8, which is characterized in that the CPU main control chip is also used to
Before sending ultrasonic signal firing order to the ultrasonic distance measurement circuit system, detection is towards where the indicator screen
It whether there is user within the scope of second pre-determined distance in face；When determine second towards face where the indicator screen it is default away from
From, there are when user, Xiang Suoshu ultrasonic distance measurement circuit system sends the ultrasonic signal firing order in range.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes human eye and indicator screen as described in any one of Claims 1-4 when the computer program is executed by processor
The distance between method of adjustment the step of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048565.XA CN109828665A (en) | 2019-01-18 | 2019-01-18 | Human eye method of adjustment, display and storage medium at a distance from display screen interlude |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910048565.XA CN109828665A (en) | 2019-01-18 | 2019-01-18 | Human eye method of adjustment, display and storage medium at a distance from display screen interlude |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109828665A true CN109828665A (en) | 2019-05-31 |
Family
ID=66860950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910048565.XA Pending CN109828665A (en) | 2019-01-18 | 2019-01-18 | Human eye method of adjustment, display and storage medium at a distance from display screen interlude |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109828665A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050229200A1 (en) * | 2004-04-08 | 2005-10-13 | International Business Machines Corporation | Method and system for adjusting a display based on user distance from display device |
| CN101097257A (en) * | 2006-06-27 | 2008-01-02 | 张恩迪 | Display having sight protection function |
| CN102053629A (en) * | 2010-10-29 | 2011-05-11 | 冠捷显示科技（厦门）有限公司 | Method and method for realizing position automatic adjustment |
| CN107219889A (en) * | 2017-05-25 | 2017-09-29 | 京东方科技集团股份有限公司 | Eye-protecting display device and display screen method of adjustment |
| CN107436629A (en) * | 2017-07-31 | 2017-12-05 | 合肥上量机械科技有限公司 | Control system of adjustable display screen based on controller |
-
2019
- 2019-01-18 CN CN201910048565.XA patent/CN109828665A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050229200A1 (en) * | 2004-04-08 | 2005-10-13 | International Business Machines Corporation | Method and system for adjusting a display based on user distance from display device |
| CN101097257A (en) * | 2006-06-27 | 2008-01-02 | 张恩迪 | Display having sight protection function |
| CN102053629A (en) * | 2010-10-29 | 2011-05-11 | 冠捷显示科技（厦门）有限公司 | Method and method for realizing position automatic adjustment |
| CN107219889A (en) * | 2017-05-25 | 2017-09-29 | 京东方科技集团股份有限公司 | Eye-protecting display device and display screen method of adjustment |
| CN107436629A (en) * | 2017-07-31 | 2017-12-05 | 合肥上量机械科技有限公司 | Control system of adjustable display screen based on controller |
Non-Patent Citations (1)
| Title |
|---|
| 周中艳，党丽峰: "《传感与检测技术》", 30 September 2015, pages: 126 - 128 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4058368B2 (en) | Ultrasonic diagnostic equipment | |
| US20130172757A1 (en) | Multiple transducer automatic initiation | |
| CN105496515B (en) | Puncture enhancement method and system | |
| RU2015122311A (en) | METHODS, SYSTEM AND DEVICE FOR DETECTION, DIAGNOSTICS AND TREATMENT OF VIOLATIONS OF BIOLOGICAL RHYTHM | |
| WO2017166613A1 (en) | Method and apparatus for controlling terminal usage duration, and electronic device | |
| CN106502467B (en) | Screen awakening method and device of user terminal and user terminal | |
| CN108040203B (en) | Operation display method and device, intelligent mirror and computer readable storage medium | |
| JP6937914B2 (en) | Control method of acoustic wave diagnostic device and acoustic wave diagnostic device | |
| CN102657541B (en) | Ultrasonic imaging method and ultrasonic imaging device | |
| CN108158610A (en) | A kind of elastograph imaging method, device, equipment and ultrasound imaging probe | |
| CN108399813B (en) | Robot-based learning tutoring method and system, robot and handwriting equipment | |
| CN115236684B (en) | Laser radar scanning method, laser radar scanning device, computer equipment and storage medium | |
| CN103260536A (en) | Ultrasound treatment device and control method thereof | |
| JP2021535808A (en) | Methods and equipment for performing spectral Doppler imaging | |
| JP2016158679A (en) | Ultrasonic diagnostic equipment and control program thereof | |
| CN208002799U (en) | Sitting posture detection device | |
| CN209231947U (en) | Ultrasonic wave human face scanning identification device | |
| CN109828665A (en) | Human eye method of adjustment, display and storage medium at a distance from display screen interlude | |
| US11864592B2 (en) | Temperature control method and electronic cigarette | |
| CN107797112A (en) | Sitting posture detecting method and device | |
| CN109164456B (en) | Depth camera module, mobile terminal and camera module mutual interference processing method | |
| CN110327077A (en) | A kind of blood flow display methods, device and ultrasonic device and storage medium | |
| CN106572837B (en) | Shearing wave imaging method and system | |
| CN108852416A (en) | A kind of determination method and device for shearing velocity of wave propagation | |
| US20070167761A1 (en) | Ultrasonic diagnostic apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190531 |