CN106993170A - A kind of control method of projecting apparatus, device and projecting apparatus - Google Patents
A kind of control method of projecting apparatus, device and projecting apparatus Download PDFInfo
- Publication number
- CN106993170A CN106993170A CN201610038886.8A CN201610038886A CN106993170A CN 106993170 A CN106993170 A CN 106993170A CN 201610038886 A CN201610038886 A CN 201610038886A CN 106993170 A CN106993170 A CN 106993170A
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- projecting apparatus
- environment
- value
- sound
- light intensity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3191—Testing thereof
- H04N9/3194—Testing thereof including sensor feedback
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Projection Apparatus (AREA)
- Television Receiver Circuits (AREA)
Abstract
The present invention provides a kind of control method of projecting apparatus, device and projecting apparatus, is related to projecting apparatus control technology field.Methods described includes：The ambient parameter of environment where obtaining projecting apparatus, the ambient parameter includes：The sound decibel value of environment and the light intensity value of environment；Start projecting apparatus when the sound decibel value of the environment is less than or equal to default volume limit value；Or, the light intensity value of the environment starts projecting apparatus when within the scope of default light intensity value；Or it is less than or equal to default volume limit value in the sound decibel value of the environment, and the light intensity value of the environment starts projecting apparatus when within the scope of default light intensity value.The solution of the present invention can adjust the broadcasting sound of projecting apparatus by the sound decibel value of environment, and the projected light intensity of projecting apparatus can also be adjusted by the light intensity of environment, the hearing and eyesight of children is effectively protected.
Description
Technical field
The present invention relates to projecting apparatus control technology field, a kind of control method of projecting apparatus, device are particularly related to
And projecting apparatus.
Background technology
Projecting apparatus is widely used in family, school and public place of entertainment as relatively common video playback apparatus,
Child getting in contact also compares many, because the sound size in each file of video or music may be different, and
The power amplifier ratio of the amplifirer of projecting apparatus is fixed.So cause sound in different size, but projecting apparatus
A position may be fixed on, it is impossible to which the very first time is adjusted, easily injury children's hearing.
When projecting apparatus is projected, if light is too strong, when projector or curtain have reflective, child can be damaged
The eyesight of son；If light is too weak, it is difficult to see, the projector of low-light level can influence the eyesight of child,
Projected resolution is unintelligible also to influence the eyesight of child, and screen has flicker, can equally influence the eyesight of child.
Ambient light is stronger, and the brightness for the image that human eye is perceived is relatively dimer.Projection plays decisive
Effect or ambient light power, ambient light should not be too strong.
Wherein, the light intensity value of environment is just dark environment in 200-600 luxs scope, is to compare
Preferably project the 50% of environment, about maximum brightness；The light intensity value of environment is strangled in 600-1200
Gram this scope is the 70% of brighter environment, about maximum brightness.It is civilian in projection bulb to be generally
1000-4000 lumens.But for the eye protection of children, project light intensity can not it is too high dazzling or
It is too low not see.
Existing market also has the projector apparatus of some eyeshield earflaps, but can not be intelligently big according to the acousto-optic of content
It is small to automatically adjust.
Some current patents, which also have, refers to adjustment acousto-optic, is all that projecting apparatus is set in advance under child mode
The operating function of permission, and shielding operating function strategy；When the contextual model of projecting apparatus switches to institute
When stating under child mode, projecting apparatus operations function is entered according to the function of allowing under child mode
Row operation, and the strategy of shielding associative operation function are adjusted correspondingly；When the operation under child mode
During projecting apparatus operations function, the operating function of permission is handled accordingly according to the strategy, it is right
The operating function of shielding can not then be operated.Other have plenty of in the prior art carries out audio in itself to file content
Analysis, automatic gain directly plays back the volume after gain.
Prior art also is to adjust sound size apart from the distance of equipment according to people, can not be by outer
The sound decibel value on boundary adjusts sound, or passes through the projected light that extraneous light intensity adjusts projecting apparatus
Line strength.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of control method of projecting apparatus, device and projecting apparatus,
The broadcasting sound of projecting apparatus can be adjusted by the sound decibel value of environment, can also be by the light of environment
The projected light intensity of intensity adjustment projecting apparatus, is effectively protected the hearing and eyesight of children.
In order to solve the above technical problems, the technical scheme that the present invention is provided is as follows：
The control method of projecting apparatus, methods described includes：
The ambient parameter of environment where obtaining projecting apparatus, the ambient parameter includes：The sound decibel value of environment
With the light intensity value of environment；
Start projecting apparatus when the sound decibel value of the environment is less than or equal to default volume limit value；Or
Person, the light intensity value of the environment starts projecting apparatus when within the scope of default light intensity value；Or
It is less than or equal to default volume limit value in the sound decibel value of the environment, and the light of the environment is strong
Angle value starts projecting apparatus when within the scope of default light intensity value.
Wherein, methods described also includes：
When the sound decibel value of the environment is more than default volume limit value, by the currently playing sound of projecting apparatus
Sound decibel value is adjusted to below the default volume limit value.
Wherein, when the sound decibel value of the environment is more than default volume limit value, by the current of projecting apparatus
The step that broadcasting sound decibel value is adjusted to below the default volume limit value includes：
Obtain current system and play sound percentage；
When current system plays sound percentage and is more than the volume threshold of system, by the current system of projecting apparatus
Sound percentage is played to be adjusted to below the volume threshold of the system.
Wherein, also include after starting projecting apparatus：
Projecting apparatus sound was played after a period of time, obtained the sound decibel value of environment；
It is more than the default volume limit value, and the current system of projecting apparatus in the sound decibel value of the environment
When playing sound percentage and being more than the volume threshold of system, current system broadcasting sound percentage is adjusted to be
Below the volume threshold of system；
It is more than the default volume limit value in the sound decibel value of the environment, and current system plays sound
When percentage is less than or equal to the volume threshold of system, current system broadcasting sound percentage is adjusted to one
Interim volume percentage so that the currently playing sound decibel value of projecting apparatus is below default volume limit value.
Wherein, the sound decibel value of the environment is obtained in the following manner：
Multiple repairing weld is carried out to the sound decibel value of environment by sound transducer within the period of setting, will
The sound decibel value of multiple environment of sampling is weighted average computation, obtains multiple within the period of setting
The average value of the sound decibel value of environment, using the average value as environment sound decibel value.
Wherein, the currently playing sound decibel value of the projecting apparatus is the current system broadcasting sound according to projecting apparatus
Sound percentage, and acquisition is detected by sound transducer.
The calculation formula of the volume threshold of the system is：
DafaultMaxVolume=(X/Y) * MaxDB
Wherein, the X is that current system plays sound percentage, and Y is the sound decibel value of environment,
DafaultMaxVolume is the volume threshold of system, and MaxDB is default volume limit value.
The calculation formula of the interim volume percentage is：
U=(Y-MaxDB)/MaxDB
NewVolume=dafaultVolume* (100%-U%)
Wherein, the Y is the sound decibel value of environment, and MaxDB is default sound limit value, and U is sound
Difference percentage is measured, NewVolume is interim volume percentage, and dafaultMaxVolume is system
Volume threshold.
Wherein, the light intensity value of the environment starts projecting apparatus when within the scope of default light intensity value
The step of include：
The environment light intensity value when within the scope of default light intensity value, according to the environment
Light intensity value set the light intensity value of projecting apparatus, and start projecting apparatus.
Wherein, the control method of projecting apparatus, in addition to：
In projection process, the luminous intensity of projecting apparatus is entered according to the light intensity value of the current environment detected
Row luminance compensation.
The present invention also provides a kind of control device of projecting apparatus,
The control device of the projecting apparatus includes：
Acquisition module, the ambient parameter of environment where for obtaining projecting apparatus, the ambient parameter includes：Ring
The sound decibel value in border and the light intensity value of environment；
Control module, for when the sound decibel value of the environment is less than or equal to default volume limit value
Start projecting apparatus；Or, the light intensity value of the environment is opened when within the scope of default light intensity value
Dynamic projecting apparatus；Or it is less than or equal to default volume limit value, and institute in the sound decibel value of the environment
The light intensity value for stating environment starts projecting apparatus when within the scope of default light intensity value.
Wherein, described device also includes：
Adjusting module, for when the sound decibel value of the environment is more than default volume limit value, will project
The currently playing sound decibel value of instrument is adjusted to below the default volume limit value.
The present invention also provides a kind of projecting apparatus, includes the control device of above-described projecting apparatus.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
In such scheme, by obtaining the light intensity value of environment and the sound decibel value of environment, in the ring
The sound decibel value in border starts projecting apparatus when being less than or equal to default volume limit value；Or, the environment
Light intensity value start projecting apparatus when within the scope of default light intensity value；Or in the environment
Sound decibel value be less than or equal to default volume limit value, and the environment light intensity value default
Start projecting apparatus when within the scope of light intensity value.And the sound after projecting apparatus plays a period of time to environment
Decibel value re-starts detection, judges whether the sound decibel value of environment is more than default volume limit value, to throwing
The current system of shadow instrument is played sound percentage and is adjusted again.By to the broadcasting sound of projecting apparatus and broadcasting
Light intensity value is timely adjusted, and is effectively protected the hearing and eyesight of children.
Brief description of the drawings
Fig. 1 is the method flow diagram that projecting apparatus of the present invention is automatically controlled；
Fig. 2 is the method flow diagram before projecting apparatus of the present invention is opened；
Fig. 3 is the method flow diagram that projecting apparatus of the present invention automatically controls sound；
Fig. 4 is the method flow diagram that projecting apparatus of the present invention automatically controls light intensity；
Fig. 5 is the control device schematic diagram of projecting apparatus of the present invention；
Fig. 6 is the specific schematic diagram of control device of projecting apparatus of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with attached
Figure and specific embodiment are described in detail.
The present invention can not be according to external sound decibel value to playing sound in projection for existing projecting apparatus
Automatically adjust, and projection brightness can not be automatically adjusted according to ambient intensity level, carried
The size that projecting apparatus plays sound can have both been automatically adjusted for a kind of, can have been thrown again with automatic dynamic regulation projecting apparatus
Control method, device and the projecting apparatus of the projecting apparatus of shadow light intensity.
As shown in figure 1, being the control method flow chart of projecting apparatus of the present invention, comprise the following steps that：
Step 01：The ambient parameter of environment where obtaining projecting apparatus, the ambient parameter includes：Environment
The light intensity value of sound decibel value and environment；
Step 02：Start when the sound decibel value of the environment is less than or equal to default volume limit value
Projecting apparatus；Or, the light intensity value of the environment starts throwing when within the scope of default light intensity value
Shadow instrument；Or it is less than or equal to default volume limit value, and the ring in the sound decibel value of the environment
The light intensity value in border starts projecting apparatus when within the scope of default light intensity value.
Further, the sound decibel value of environment described in step 01 is obtained in the following manner：
Multiple repairing weld is carried out to the sound decibel value of environment by sound transducer within the period of setting, will
The sound decibel value of multiple environment of sampling is weighted average computation, obtains multiple within the period of setting
The average value of the sound decibel value of environment, using the average value as environment sound decibel value.
Further, the light intensity value of the environment described in step 01 is obtained in the following manner：
By light sensor, light intensity is detected to external world, obtains the light intensity value of environment.It is described
Ambient intensity is primarily referred to as entrance light intensity.
Further, the default volume limit value described in the step 02, under being sound protected mode
Max volume, this value is the customized value of manufacturer.
Default light intensity value described in step 02 is that system is customized, and described projecting apparatus is automatic
Its default light intensity value in the method for light intensity is controlled to have a customized scene：
The light intensity value of the environment of scene 1. is customized for compared with dark situation in 200-600 luxs scope,
It is more satisfactory projection environment, default value suggestion is the 50% of maximum brightness；
The light intensity value of the environment of scene 2. is customized for compared with bright ring border in 600-1200 luxs scope,
Default value suggestion is the 70% of maximum brightness；
Further, the luminance parameter of these projections is that default setting is good, and supports to adjust again.
Due to civilian generally 1000-4000 lumens in projection bulb, but come for the eye protection of children
Say, the intensity for projecting light too high dazzling too low can not can not seen.So what the present invention was preferably set
Acquiescence high-high brightness is 3000 lumens, generally plays brightness and is no more than 2000 lumens.
Further, methods described also includes：
When the sound decibel value of the environment is more than default volume limit value, by the currently playing sound of projecting apparatus
Sound decibel value is adjusted to below the default volume limit value.
The currently playing sound decibel value of described projecting apparatus, is to play sound according to the current system of projecting apparatus
Percentage, and detect what is obtained by sound transducer.
The condition that the present invention is opened to projecting apparatus has carried out preliminary judgement, meets one of following three kinds of modes i.e.
Projecting apparatus can be started：
Mode one：Start when the sound decibel value of the environment is less than or equal to default volume limit value and throw
Shadow instrument；
Mode two：Start throwing when within the scope of default light intensity value in the light intensity value of the environment
Shadow instrument；
Mode three：It is less than or equal to default volume limit value in the sound decibel value of the environment, and it is described
The light intensity value of environment starts projecting apparatus when within the scope of default light intensity value.
Employing mode one opens the Rule of judgment of projecting apparatus：
When the broadcasting sound decibel value of projecting apparatus is not below default volume limit value, the broadcasting of projecting apparatus is adjusted
Sound decibel value, and judged again, until the broadcasting sound decibel value of projecting apparatus is limited in default volume
Value is following, starts projecting apparatus；
Further, the mode of the broadcasting sound decibel value of adjustment projecting apparatus is not limited.
Employing mode two opens the Rule of judgment of projecting apparatus：
When the light intensity value of environment is not when within the scope of default light intensity value, the light of environment is adjusted
Intensity level, and being judged again, until environment light intensity value default light intensity value scope it
It is interior, start projecting apparatus；
Further, the mode of the light intensity value of adjustment environment is not limited.
Employing mode three starts the Rule of judgment of projecting apparatus：
As shown in Fig. 2 opening the method flow diagram of projecting apparatus for employing mode three of the present invention, specific steps are such as
Under：
Step 11：Before projecting apparatus is opened；
Step 12：Judge the currently playing sound decibel value of projecting apparatus whether below default volume limit value；
Step 13：When the currently playing sound decibel value of projecting apparatus is not below default volume limit value, adjust
The currently playing sound decibel value of projecting apparatus, and judged again, until the currently playing sound of projecting apparatus
Decibel value is below default volume limit value；
Further, the mode of the currently playing sound decibel value of adjustment projecting apparatus is not limited；
Step 14：When the currently playing sound decibel value of projecting apparatus is below default volume limit value, judge
Whether the light intensity value of environment is within the scope of default light intensity value；
Step 15：When the currently playing sound decibel value of projecting apparatus is below default volume limit value, and ring
The light intensity value in border adjusts the light intensity value of environment not when within the scope of default light intensity value,
And judged again, until the light intensity value of environment is within the scope of default light intensity value；
Further, the mode of the light intensity value of adjustment environment is not limited；Step 16：It is current when projecting apparatus
Play sound decibel value below default volume limit value when, and environment light intensity value in default light
When within intensity value range, start projecting apparatus.
The present invention is controlled after projecting apparatus starts and projecting apparatus plays sound to the broadcasting sound of projecting apparatus
And adjust, as shown in figure 3, automatically controlling the method flow diagram of sound, specific steps for projecting apparatus of the present invention
It is as follows：
Step 21：Projecting apparatus sound is opened to play；
Step 22：Obtain current system and play sound percentage；
Further, the current system, which plays sound percentage, includes sound and the external world that system plays come out
The sound mix of environment, herein without special differentiation；
Step 23：Judge that current system plays the volume threshold whether sound percentage is more than system；
Further, the volume threshold of the system is in corresponding operating system under sound protected mode
The percentage of the max volume of software support.
The calculation formula of the volume threshold of the system is：
DafaultMaxVolume=(X/Y) * MaxDB
Wherein, the X is that current system plays sound percentage, and Y is the sound decibel value of environment,
DafaultMaxVolume is the volume threshold of system, and MaxDB is default volume limit value.
The computational methods of the volume threshold of the system are：
Device is placed under dead room environment when dispatching from the factory, X, the measurement of Y value are carried out, according to above-mentioned formula
Calculate dafaultMaxVolume value.
The acquisition methods of the volume threshold of the system are not limited, one kind of the above-mentioned volume threshold for acquisition system
Method.
Step 24：When the current system, which plays sound percentage, is more than the volume threshold of system, by institute
The current system broadcasting sound percentage for stating projecting apparatus is adjusted to below the volume threshold of the system, until adjusting
Whole current system plays sound percentage within the scope of a default sound percentage, described default
The scope of sound percentage is the receptible wave volume scope of human ear；
Step 25：When volume threshold of the current system broadcasting sound percentage less than or equal to system,
Then without any processing；After the projecting apparatus sound plays a period of time；
Step 26：Periodically to the sound decibel value for detecting the external world again, the sound decibel of environment is obtained
Value；
Step 27：Judge whether the sound decibel value of the environment is more than described default sound limit value；
When the sound decibel value of the environment is less than or equal to described default sound limit value, step is gone to
25；
Step 28：When the sound decibel value of the environment is more than default sound limit value, described throw is judged
The current system of shadow instrument plays the volume threshold whether sound percentage is more than the system；
Step 29：When the sound decibel value of the environment is more than default sound limit value, and the projecting apparatus
Current system when playing sound percentage and being more than the volume threshold of the system, current system is played into sound
Percentage is adjusted to below the volume threshold of the system, until the current system of adjustment plays sound percentage
Within the scope of a default sound percentage, the scope of the default sound percentage is human ear institute energy
The wave volume scope of receiving；
Step 30：When the sound decibel value of the environment is more than default sound limit value, and the projecting apparatus
Current system when playing sound percentage and being less than or equal to the volume threshold of the system, by current system
Play sound percentage and be adjusted to an interim volume percentage so that the currently playing sound decibel value of projecting apparatus
Below default volume limit value；
Wherein, the sound decibel value of the environment is more than default sound limit value, and the projecting apparatus is current
System plays sound percentage is less than or equal to the volume threshold of the system, because external sound is prominent
So caused by increase, current system will be played sound by automaton within factory setting period
Percentage temporary decrease volume is to an interim volume percentage.After treating that the period arrived, then by interim volume
The current system that percentage returns to the foregoing description plays sound percentage.
Further, the calculation formula of the interim volume percentage is：
U=(Y-MaxDB)/MaxDB；
Then dafaultVolume is also reduced into U percentage on year-on-year basis；
NewVolume=dafaultVolume* (100%-U%) after adjustment；
Wherein, the Y is the sound decibel value of environment, and MaxDB is default sound limit value, and U is sound
Difference percentage is measured, NewVolume is interim volume percentage, and dafaultMaxVolume is system
Volume threshold.
Further, the fine setting of volume control is process of the linear reduction to the specified volume calculated, method
It is to carry out multiple volume adjustment in a short time, allows user can not perceive the mutation of volume；
, it is necessary to calculate needs by above-mentioned steps again when each projecting apparatus newly plays audio or video file
The volume value of adjustment.
It is illustrated in figure 4 employing mode two of the present invention or employing mode three starts projecting apparatus and automatically controlled
The method flow diagram of light intensity, preceding and either type is opened after projecting apparatus unlatching to environment in projecting apparatus
Light intensity value be controlled and adjust comprise the following steps that：
Step 31：Before projection bulb opens；
Step 32：Detect the light intensity value of current environment；Step 33：Judge that the light of current environment is strong
Whether angle value is within the scope of default light intensity value；The default light intensity value scope be system from
Definition setting；
Step 34：If the light intensity value of the current environment is not in described default light intensity value
Within the scope of when, voice message user adjustment ambient intensity, do not start projecting apparatus now, until user
Background light intensity is reduced or lightened within the scope of default light intensity；And enter at interval of fixed number of seconds
Once automatic detection again judges row；
Further, if more than the max-thresholds of default light intensity value range, then voice reminder is used
Family reduces background light intensity；If entrance light is less than default light intensity value range minimum threshold,
Voice message user lightens background light intensity.
Step 35：If the light intensity value of the current environment is in described default light intensity value model
Within enclosing, and projecting apparatus currently playing sound decibel value below default volume limit value, then according to described
The light intensity value of the light intensity value setting projecting apparatus of current environment simultaneously starts projecting apparatus.
Further, brightness is reached after acceptable scope, and the light of system meeting automatic decision current environment is strong
Which scene scope is angle value belong to, and is then projected by the brightness of agreement.
Step 36：In projection process；
Step 37：The luminous intensity of projecting apparatus is carried out according to the light intensity value of the current environment detected bright
Degree compensation；
Further, when the light intensity value of current environment is not enough or excessively bright, i.e., less than described in above-mentioned from
The minimum of the relatively dark situation of definition or during higher than peak compared with bright ring border, just starts in projection process
Dynamic brightness indemnifying measure.
Further, the method for the luminance compensation measure is：Modification from currently follow-up N number of frame it is bright
Degree, the brightness value by electronically changing picture prevents suddenly dimmed or mistake to fixed safe brightness value
It is bright；Light intensity value periodically to current environment is detected again.
The autocontrol method of the projecting apparatus also includes the control to projection time, by setting in projecting apparatus
Timer, can voice reminder user between at the moment, it is to avoid user watches because of long-time, causes excessive eye
Fatigue, the adverse consequences such as hypopsia, so as to reach the purpose of effective protect eyes.
Further, the maximum duration projected every time is preset；
In the case that user opens projection, timing is carried out to the time of projection；
In the case of the maximum duration projected every time being preset described in being reached when the time that user watches, system
The voice message for stopping projection being carried out to user；
To the buffer time of user's clock in a measure, timer is zeroed if user's manual-lock is projected, otherwise
When timer reaches a maximum eyeshield duration, meeting voice message user will close projecting apparatus, and close
Close projection.
The control method of the projecting apparatus also includes：
Projection interface is pinned, long-press icon can be unlocked；
Wifi is supported on the resources such as automatic foradownloaded video, projector equipment, net can be connected to by wifi modes
Network, carries out automatic download learning materials, saves artificial download；
Automatically the method downloaded is the server address by preset value, downloads and learns from server automatically
Then resource updates to local in education resource homepage；
The prefabricated frequency range for promoting brain development is the music of α ripples.
A kind of control device of projecting apparatus is also provided in embodiments of the invention；
As shown in figure 5, the control device for the projecting apparatus of the present invention includes：
Acquisition module 41, the ambient parameter of environment where for obtaining projecting apparatus, the ambient parameter includes：
The sound decibel value of environment and the light intensity value of environment；
Control module 42, is limited for the sound decibel value in the environment less than or equal to default volume
Start projecting apparatus during value；Or, the light intensity value of the environment is within the scope of default light intensity value
Shi Qidong projecting apparatus；Or it is less than or equal to default volume limit value in the sound decibel value of the environment,
And the light intensity value of the environment starts projecting apparatus when within the scope of default light intensity value.
As shown in fig. 6, being the specific schematic diagram of control device of projecting apparatus of the present invention, the acquisition module 41
Including：
First acquisition submodule 411, for passing through sound of the sound transducer to environment within the period of setting
Sound decibel value carries out multiple repairing weld, and the sound decibel value of multiple environment of sampling is weighted into average computation,
The average value of the sound decibel value of multiple environment within the period of setting is obtained, the average value is regard as ring
The sound decibel value in border；
Second acquisition submodule 412, for by light sensor, light intensity to be detected to external world, is obtained
Take the light intensity value of environment.
The control device also includes：
First adjusting module 43, during for the sound decibel value in the environment more than default volume limit value,
The currently playing sound decibel value of projecting apparatus is adjusted to below the default volume limit value.
First adjusting module 43 plays sound percentage specifically for obtaining current system, is currently
When system broadcasting sound percentage is more than the volume threshold of system, the current system of projecting apparatus is played into sound percentage
Than being adjusted to below the volume threshold of the system.Wherein, the currently playing sound decibel value of the projecting apparatus
It is that sound percentage is played according to the current system of projecting apparatus, and acquisition is detected by sound transducer.
Above-mentioned control device also includes：
Second adjusting module 44, for after projecting apparatus sound plays a period of time, obtaining the sound of environment
Decibel value；It is more than the default sound limit value in the sound decibel value of the environment, and projecting apparatus is current
When system plays sound percentage is more than the volume threshold of system, current system is played into sound percentage and adjusted
To below the volume threshold of system；
It is more than the default sound limit value in the sound decibel value of the environment, and current system plays sound
When percentage is not more than the volume threshold of system, current system broadcasting sound percentage is adjusted to an interim sound
Measure percentage so that the currently playing sound decibel value of projecting apparatus is below default volume limit value.Wherein,
The currently playing sound decibel value of the projecting apparatus is to play sound percentage according to the current system of projecting apparatus,
And acquisition is detected by sound transducer.The control module environment light intensity value in default light
When within intensity value range, the light intensity value of projecting apparatus is set according to the light intensity value of the environment, and
Start projecting apparatus.
, can also be according to the light intensity of current environment detected in projection process in above-described embodiment
It is worth and luminance compensation is carried out to the luminous intensity of projecting apparatus.
In above-described embodiment, the calculation formula of the volume threshold of system is：
DafaultMaxVolume=(X/Y) * MaxDB
Wherein, the X is that current system plays sound percentage, and Y is the sound decibel value of environment,
DafaultMaxVolume is the volume threshold of system, and MaxDB is default sound limit value.
In above-described embodiment, interim volume percentage is obtained in the following manner：
U=(Y-MaxDB)/MaxDB
NewVolume=dafaultVolume* (100%-U%)
Wherein, the Y is the sound decibel value of environment, and MaxDB is default sound limit value, and U is sound
Difference percentage is measured, NewVolume is interim volume percentage, and dafaultMaxVolume is system
Volume threshold.
The control device of the projecting apparatus also includes:
Time control module, by setting the timer in projecting apparatus, can voice reminder user between at the moment,
Avoid user from being watched because of long-time, cause eye strain, the adverse consequences such as hypopsia, so as to reach
The purpose of effective protect eyes.
Further, the maximum duration projected every time is preset；
In the case that user opens projection, timing is carried out to the time of projection；
In the case of the maximum duration projected every time being preset described in being reached when the time that user watches, system
The voice message for stopping projection being carried out to user；
To the buffer time of user's clock in a measure, timer is zeroed if user's manual-lock is projected, otherwise
When timer reaches a maximum eyeshield duration, meeting voice message user will close projecting apparatus, and close
Close projection.
The control device of the projecting apparatus can further include：Screen lock module, for interface locking will to be projected
Firmly, long-press icon can be unlocked；
Download module, for resources such as automatic foradownloaded videos, wifi is supported on projector equipment, can be passed through
Wifi modes are connected to network, carry out automatic download learning materials, save artificial download；
Automatically the method downloaded is the server address by preset value, downloads and learns from server automatically
Then resource updates to local in education resource homepage.
In such scheme, the ambient parameter of environment where by obtaining projecting apparatus：The sound decibel value of environment and
The light intensity value of environment；Projecting apparatus currently playing sound decibel value below default volume limit value,
And the light intensity value of the environment works as front ring when within the scope of default light intensity value according to described
The light intensity value of the light intensity value setting projecting apparatus in border simultaneously starts projecting apparatus.In the sound point of the environment
When shellfish value is more than default volume limit value, the currently playing sound decibel value of projecting apparatus is adjusted to described default
Volume limit value below.
Judge whether broadcasting sound is excessive according to the external sound decibel value of measurement, sound is played in then adjustment
Intensity.
Before projector, ambient light intensity is detected by light sensor, according to entering luminosity
Size, come the luminous intensity that projection to be launched is set automatically；In projector, automatically according to detection
The ambient light situation arrived carries out luminance compensation, it is to avoid flicker.And reminded by intelligent sound, keep eyeshield
Pattern.
By adjusting the time span of projection, dormancy and start by set date projection, eyeshield is reminded, and screen locking is downloaded
Resource function, is avoided that user watches because of long-time, causes eye strain, hypopsia it is bad after
Really, so as to reach the purpose of effective protect eyes.
According to the big minor adjustment volume of the sound of video/audio and light, the eyesight hearing of children is protected；
By controlling reproduction time, the default value etc. of switch, some volumes and light intensity is set.
When user, which closes, to be projected, all module pauses, projecting apparatus is in park mode, treats next time
Started when starting projection.
A kind of projecting apparatus is also provided in embodiments of the invention, includes the control device of projecting apparatus as described above.
Described above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (13)
1. a kind of control method of projecting apparatus, it is characterised in that methods described includes：
The ambient parameter of environment where obtaining projecting apparatus, the ambient parameter includes：The sound decibel value of environment
With the light intensity value of environment；
Start projecting apparatus when the sound decibel value of the environment is less than or equal to default volume limit value；Or
Person, the light intensity value of the environment starts projecting apparatus when within the scope of default light intensity value；Or
It is less than or equal to default volume limit value in the sound decibel value of the environment, and the light of the environment is strong
Angle value starts projecting apparatus when within the scope of default light intensity value.
2. the control method of projecting apparatus according to claim 1, it is characterised in that methods described is also
Including：
When the sound decibel value of the environment is more than default volume limit value, by the currently playing sound of projecting apparatus
Sound decibel value is adjusted to below the default volume limit value.
3. the control method of projecting apparatus according to claim 2, it is characterised in that in the environment
Sound decibel value be more than default volume limit value when, the currently playing sound decibel value of projecting apparatus is adjusted to
Step below the default volume limit value includes：
Obtain current system and play sound percentage；
When current system plays sound percentage and is more than the volume threshold of system, by the current system of projecting apparatus
Sound percentage is played to be adjusted to below the volume threshold of the system.
4. the control method of projecting apparatus according to claim 1, it is characterised in that start projecting apparatus
Also include afterwards：
Projecting apparatus sound was played after a period of time, obtained the sound decibel value of environment；
It is more than the default volume limit value, and the current system of projecting apparatus in the sound decibel value of the environment
When playing sound percentage and being more than the volume threshold of system, current system broadcasting sound percentage is adjusted to be
Below the volume threshold of system；
It is more than the default volume limit value in the sound decibel value of the environment, and current system plays sound
When percentage is less than or equal to the volume threshold of system, current system broadcasting sound percentage is adjusted to one
Interim volume percentage so that the currently playing sound decibel value of projecting apparatus is below default volume limit value.
5. the control method of projecting apparatus according to claim 1, it is characterised in that the environment
Sound decibel value is obtained in the following manner：
Multiple repairing weld is carried out to the sound decibel value of environment by sound transducer within the period of setting, will
The sound decibel value of multiple environment of sampling is weighted average computation, obtains multiple within the period of setting
The average value of the sound decibel value of environment, using the average value as environment sound decibel value.
6. the control method of the projecting apparatus according to claim 3 or 4, it is characterised in that the throwing
The currently playing sound decibel value of shadow instrument is to play sound percentage according to the current system of projecting apparatus, and is passed through
Sound transducer detection is obtained.
7. the control method of the projecting apparatus according to claim 3 or 4, it is characterised in that the system
The calculation formula of the volume threshold of system is：
DafaultMaxVolume=(X/Y) * MaxDB
Wherein, the X is that current system plays sound percentage, and Y is the sound decibel value of environment,
DafaultMaxVolume is the volume threshold of system, and MaxDB is default volume limit value.
8. the control method of projecting apparatus according to claim 4, it is characterised in that the interim sound
Amount percentage calculation formula be：
U=(Y-MaxDB)/MaxDB
NewVolume=dafaultVolume* (100%-U%)
Wherein, the Y is the sound decibel value of environment, and MaxDB is default sound limit value, and U is sound
Difference percentage is measured, NewVolume is interim volume percentage, and dafaultMaxVolume is system
Volume threshold.
9. the control method of projecting apparatus according to claim 1, it is characterised in that the environment
The step of light intensity value starts projecting apparatus when within the scope of default light intensity value includes：
The environment light intensity value when within the scope of default light intensity value, according to the environment
Light intensity value set the light intensity value of projecting apparatus, and start projecting apparatus.
10. the control method of projecting apparatus according to claim 1, it is characterised in that also include：
In projection process, the luminous intensity of projecting apparatus is entered according to the light intensity value of the current environment detected
Row luminance compensation.
11. a kind of control device of projecting apparatus, it is characterised in that including：
Acquisition module, the ambient parameter of environment where for obtaining projecting apparatus, the ambient parameter includes：Ring
The sound decibel value in border and the light intensity value of environment；
Control module, for when the sound decibel value of the environment is less than or equal to default volume limit value
Start projecting apparatus；Or, the light intensity value of the environment is opened when within the scope of default light intensity value
Dynamic projecting apparatus；Or it is less than or equal to default volume limit value, and institute in the sound decibel value of the environment
The light intensity value for stating environment starts projecting apparatus when within the scope of default light intensity value.
12. the control device of projecting apparatus according to claim 11, it is characterised in that described device
Also include：
Adjusting module, for when the sound decibel value of the environment is more than default volume limit value, will project
The currently playing sound decibel value of instrument is adjusted to below the default volume limit value.
13. a kind of projecting apparatus, it is characterised in that including the projecting apparatus as described in claim 11 or 12
Control device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610038886.8A CN106993170B (en) | 2016-01-20 | 2016-01-20 | Projector control method and device and projector |
| PCT/CN2016/077382 WO2016197665A1 (en) | 2016-01-20 | 2016-03-25 | Projection implementation method, projection control device, and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610038886.8A CN106993170B (en) | 2016-01-20 | 2016-01-20 | Projector control method and device and projector |
Publications (2)
| Publication Number | Publication Date |
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| CN106993170A true CN106993170A (en) | 2017-07-28 |
| CN106993170B CN106993170B (en) | 2021-08-17 |
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ID=57502823
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610038886.8A Active CN106993170B (en) | 2016-01-20 | 2016-01-20 | Projector control method and device and projector |
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| Country | Link |
|---|---|
| CN (1) | CN106993170B (en) |
| WO (1) | WO2016197665A1 (en) |
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| CN109996050A (en) * | 2017-12-29 | 2019-07-09 | 深圳市优必选科技有限公司 | Project the control method and control device of robot |
| CN110072090A (en) * | 2018-01-20 | 2019-07-30 | 深圳光峰科技股份有限公司 | A kind of control method and projector based on projector |
| CN111698489A (en) * | 2020-06-22 | 2020-09-22 | 深圳市亿兆创新科技有限公司 | Projection method and projection equipment based on Linux system |
| CN112601061A (en) * | 2020-12-15 | 2021-04-02 | 上海迪东实业有限公司 | Projection lamp control system, control method thereof, intelligent projector and storage medium |
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Also Published As
| Publication number | Publication date |
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| WO2016197665A1 (en) | 2016-12-15 |
| CN106993170B (en) | 2021-08-17 |
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