CN108737803A - A kind of laser television and its focusing method with focusing mechanism - Google Patents
A kind of laser television and its focusing method with focusing mechanism Download PDFInfo
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- CN108737803A CN108737803A CN201810411127.0A CN201810411127A CN108737803A CN 108737803 A CN108737803 A CN 108737803A CN 201810411127 A CN201810411127 A CN 201810411127A CN 108737803 A CN108737803 A CN 108737803A
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- 238000009434 installation Methods 0.000 claims abstract description 12
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Classifications
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- 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]
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- 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]
- H04N9/3141—Constructional details thereof
-
- 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]
- H04N9/3141—Constructional details thereof
- H04N9/317—Convergence or focusing systems
Abstract
The present invention relates to a kind of laser television with focusing mechanism and its focusing methods, including laser light source projection and projection screen, the projection screen is removably connected with four axis location structures, the four axis location structure includes four positioning units, four positioning elastic ropes and four detecting elements, four positioning units are respectively upper left positioning unit, upper right positioning unit, lower-left positioning unit and bottom right positioning unit, and four positioning units are removably connected to four angle points of the projection screen respectively；Four positioning elastic ropes include upper positioning elastic rope, lower positioning elastic rope, left positioning elastic rope and right positioning elastic rope；User's directly voluntarily installation and adjustment, relatively simple facility can be allow to substantially increase safe and convenient, meanwhile, ensure installation accuracy, improves installation effect.
Description
Technical field
The present invention relates to smart home device, more specifically to a kind of laser television with focusing mechanism and its
Focusing method.
Background technology
Laser television is laser light source projection and the projection screen composition using reflective ultrashort out-of-focus projection's technology, bright
Good picture can also be showed by spending under higher environment.
Outer laser television is generally all configured with intelligence system, and the hardware of the inside is exactly the hardware that smart television uses substantially,
Android system coordinates the chip of some Mstar, realizes the functions such as online broadcasting sheet, can also play game, download application etc..
Laser television（LASERTV）It is to utilize All-Solid working-laser material, generates the continuous of three kinds of wavelength of red, green, blue
Light source of the laser as color laser TV passes through television signal control tricolor laser scan image.Its color domain coverage ratio is managed
By can above be up to 90% or more of human eye gamut range.This 62% color domain coverage ratio more highest than current LED television improves again
One class.The raising of color domain coverage ratio can not only make entire television image seem more true, have a sense of hierarchy, is penetrating
Feeling, while the clarity of picture also can have promotion by a relatively large margin with the raising of color saturation.Due to using laser
As the backlight of TV, laser television can be done thinner, be suitable for home use.Laser television also overcomes human eye for a long time
The sense of discomfort caused by the iridescent that fluorescent powder generates is watched, and human eye is not radiated.
And existing laser television calibration focusing mechanism is extremely complex, due to laser television be project obliquely upward, so
Installation personnel is debugged after installing projection screen, could be completed to projection screen by modes such as trapezoidal correction, alignings
The projection of cloth so that image is incident upon on the curtain of projection completely, but is had a problem that in this way, due to the complexity of projection
Property, under household situations, if necessary to be adjusted to the position of projection screen or moved to laser light source projection, it can make
The case where at project migration, and user is in the case of no technical support, it is extremely difficult to restore projection, so currently on the market
Laser television generally there are irremovable restrictive condition, use is very inconvenient, so one kind is needed to be conveniently operated and can be accurate
The laser television really focused.
Invention content
In view of this, an object of the present disclosure is to provide a kind of laser television with focusing mechanism；
Second purpose is to provide a kind of focusing method of laser television.
In order to solve the above-mentioned technical problem, the technical scheme is that：The first object of the present invention is to provide one kind
Laser television with focusing mechanism, including laser light source projection and projection screen, the projection screen are detachably connected
It includes four positioning units, four positioning elastic ropes and four detection members to have four axis location structures, the four axis location structure
Part, four positioning units are respectively that upper left positioning unit, upper right positioning unit, lower-left positioning unit and bottom right positioning are single
Member, four positioning units are removably connected to four angle points of the projection screen respectively；
Four positioning elastic ropes include upper positioning elastic rope, lower positioning elastic rope, left positioning elastic rope and right positioning bullet
Property rope；
Positioning elastic rope, the upper positioning elastic rope are connected between the upper left positioning unit and the upper right positioning unit
On be provided with horizontal detecting element, the upper horizontal detecting element exports the first water according to the tilt quantity of its own horizontal direction
Flat deviant；
Lower positioning elastic rope, the lower positioning elastic rope are connected between the lower-left positioning unit and the bottom right positioning unit
On be provided with lower horizontal detecting element, the lower horizontal detecting element exports the second water according to the tilt quantity of its own horizontal direction
Flat deviant；
Left positioning elastic rope, the left positioning elastic rope are connected between the upper left positioning unit and the lower-left positioning unit
On be provided with left vertical detection element, the left vertical detection element is vertical according to the tilt quantity of itself vertical direction output first
Deviant；
Right positioning elastic rope, the right positioning elastic rope are connected between the upper right positioning unit and the bottom right positioning unit
On be provided with right vertical detection element, the right vertical detection element is vertical according to the tilt quantity of itself vertical direction output second
Deviant；
The laser light source projection includes projection module, locating module, curtain calibration module and projector's calibration module,
The locating module is connected with certain bit scan device, and the positioning scanner is set on the laser projection, the positioning
Scanner obtains the position relationship between positioning scanner and four positioning units to obtain respectively by way of scanning
Top-left position relation value, upper-right position relation value, lower left position relation value and bottom-right location relation value；
The curtain calibration module calibrates plan configured with curtain calibration strategy, projector's calibration module configured with projector
Slightly；
The curtain calibration strategy includes obtaining the first level deviant, the second horizontal offset values, first in real time vertically partially
Shifting value and the second vertical offset value and according to the first level deviant, the second horizontal offset values, the first vertical offset value
And second vertical offset value output curtain calibration information calculated by preset first correction algorithm, pass through the laser light
Source projector projects the curtain calibration information to projection screen until the curtain calibration information meets the first preset condition
Afterwards, projector's calibration strategy is executed；Projector's calibration strategy includes obtaining upper left position in real time by positioning scanner
It sets relation value, upper-right position relation value, lower left position relation value and bottom-right location relation value and is closed according to the top-left position
Set occurrence, upper-right position relation value, lower left position relation value and bottom-right location relation value pass through preset second correction algorithm
Output projector calibration information is calculated, is projected projector's calibration information to projection screen by the laser light source projection
Cloth is after projector's calibration information meets the second preset condition, according to top-left position relation value, upper-right position at this time
Relation value, lower left position relation value and bottom-right location relation value generate projected position relation value, by the projected position relationship
Value is input to projection module, and the projected position relation value reflects the opposite of the laser light source projection and the projection screen
Position relationship；
When the projection module receives projected position relation value, corresponding projection is generated according to the projected position relation value and is joined
Number configures the laser light source projection according to the projective parameter.
Further：The four axis location structure further includes tightening structure, and the tightening structure is for tightening or loosening institute
State positioning elastic rope.
Further：The tightening structure is set as four, and four tightening structures are respectively the first tightening structure,
Two tightening structures, third tightening structure and the 4th tightening structure；
First tightening structure is set to inside the upper left positioning unit, and described upper positioning elastic rope one end is fixed on described
Upper right positioning unit, the other end are set around first tightening structure, and institute can be tightened or loosen by rotating first tightening structure
State positioning elastic rope；
Second tightening structure is set to inside the upper right positioning unit, and described right positioning elastic rope one end is fixed on described
Bottom right positioning unit, the other end are set around second tightening structure, and institute can be tightened or loosen by rotating second tightening structure
State right positioning elastic rope；
The third tightening structure is set to inside the lower-left positioning unit, and institute is fixed in one end of the left positioning elastic rope
Upper left positioning unit is stated, the other end is set around the third tightening structure, and rotating the third tightening structure can tighten or put
The pine left positioning elastic rope；
4th tightening structure is set to inside the bottom right positioning unit, and institute is fixed in one end of the lower positioning elastic rope
Lower-left positioning unit is stated, the other end is set around the 4th tightening structure, and rotating the 4th tightening structure can tighten or loosen
The lower positioning elastic rope.
Further：The curtain calibration information includes horizontal parallel calibration information and vertical collimation information, institute
Horizontal parallel calibration information is stated for calibrating the first level deviant and the second horizontal offset values are equal；It is described vertical parallel
Calibration information is used to calibrate first vertical offset value and the second vertical offset value is equal.
Further：First preset condition includes that first level deviant and the second horizontal offset values and second are horizontal
The difference of deviant is less than a preset horizontal error value；First preset condition further includes the first vertical offset value and second
Vertical offset value is less than a preset vertical error value.
Further：First preset condition further includes the first level deviant, the second horizontal offset values, first
The sum of vertical offset value and the second vertical offset value are less than a preset heeling error value.
Further：The projection calibration information includes depth offset information and height tolerance information, and the depth is inclined
Laser light source projection described in poor message reflection and relative distance of the projection screen in depth；The height tolerance information
Reflect the laser light source projection and the relative distance of the projection screen in height.
Further：Second preset condition includes that the depth offset information is made to meet a preset depth distance model
It encloses；Second preset condition further includes that the depth offset information is made to meet a preset height distance range.
In order to realize that the second object of the present invention provides a kind of focusing method of laser television, laser light source projection is provided
And projection screen, the projection screen are removably connected with four axis location structures, the four axis location structure includes four fixed
Bit location, four positioning elastic ropes and four detecting elements, four positioning units are respectively upper left positioning unit, upper right
Positioning unit, lower-left positioning unit and bottom right positioning unit, four positioning units are removably connected to the throwing respectively
Four angle points of shadow curtain；
Four positioning elastic ropes include upper positioning elastic rope, lower positioning elastic rope, left positioning elastic rope and right positioning bullet
Property rope；
Positioning elastic rope, the upper positioning elastic rope are connected between the upper left positioning unit and the upper right positioning unit
On be provided with horizontal detecting element, the upper horizontal detecting element exports the first water according to the tilt quantity of its own horizontal direction
Flat deviant；
Lower positioning elastic rope, the lower positioning elastic rope are connected between the lower-left positioning unit and the bottom right positioning unit
On be provided with lower horizontal detecting element, the lower horizontal detecting element exports the second water according to the tilt quantity of its own horizontal direction
Flat deviant；
Left positioning elastic rope, the left positioning elastic rope are connected between the upper left positioning unit and the lower-left positioning unit
On be provided with left vertical detection element, the left vertical detection element is vertical according to the tilt quantity of itself vertical direction output first
Deviant；
Right positioning elastic rope, the right positioning elastic rope are connected between the upper right positioning unit and the bottom right positioning unit
On be provided with right vertical detection element, the right vertical detection element is vertical according to the tilt quantity of itself vertical direction output second
Deviant；
The laser light source projection includes projection module, locating module, curtain calibration module and projector's calibration module,
The locating module is connected with certain bit scan device, and the positioning scanner is set on the laser projection, the positioning
Scanner obtains the position relationship between positioning scanner and four positioning units to obtain respectively by way of scanning
Top-left position relation value, upper-right position relation value, lower left position relation value and bottom-right location relation value；
It is as follows：
Step 1, the four axis location structure is installed on the projection screen；
Step 2, laser light source projection is opened；
Step 3, in real time obtain obtain in real time the first level deviant, the second horizontal offset values, the first vertical offset value with
And second vertical offset value and according to the first level deviant, the second horizontal offset values, the first vertical offset value and
Two vertical offset values calculate output curtain calibration information by preset first correction algorithm, are projected by the laser light source
The curtain calibration information is projected to machine the position for adjusting the projection screen manually to projection screen until the curtain is calibrated
Information meets the first preset condition；
Step 4, top-left position relation value, upper-right position relation value, lower left position pass are obtained in real time by positioning scanner in real time
Set occurrence and bottom-right location relation value and according to the top-left position relation value, upper-right position relation value, lower left position relation value
And bottom-right location relation value calculates output projector calibration information by preset second correction algorithm, passes through the laser
Light sources project machine projects projector's calibration information to projection screen, adjusts the position of the laser light source projection manually
Until projector's calibration information meets the second preset condition；
Step 5, according to top-left position relation value, upper-right position relation value, lower left position relation value and bottom-right location at this time
Relation value generates projected position relation value, and the projected position relation value is input to projection module, the projected position relationship
Value reflects the relative position relation of the laser light source projection and the projection screen；
Step 6, it when the projection module receives projected position relation value, is generated according to the projected position relation value corresponding
Projective parameter configures the laser light source projection according to the projective parameter.
Further：Several wall telltale marks and projector's telltale mark are provided, further include step 7, by the wall
Body telltale mark is marked on the wall of the projection screen installation with the position of the determination projection screen, by the projector
Telltale mark is marked in the plane that the laser light source projection is placed to determine the position of laser light source projection.
The technology of the present invention effect major embodiment is in the following areas：It is arranged in this way, so that it may so that user can be directly from
Row installation and adjustment, relatively simple facility substantially increase safe and convenient, meanwhile, ensure installation accuracy, improves installation effect.
Description of the drawings
Fig. 1：A kind of projection screen installation diagram of the laser television with focusing mechanism of the present invention；
Fig. 2：A kind of laser light source projection module connection diagram of the laser television with focusing mechanism of the present invention.
Reference numeral：100, projection screen；210, upper left positioning unit；211, the first tightening structure；301, upper positioning bullet
Property rope；401, upper horizontal detecting element；220, upper right positioning unit；221, the second tightening structure；302, lower positioning elastic rope；
402, lower horizontal detecting element；230, lower-left positioning unit；231, third tightening structure；303, left positioning elastic rope；403, left
Vertical detection element；240, bottom right positioning unit；241, the 4th tightening structure；304, right positioning elastic rope；404, right vertical inspection
Survey element；11, locating module；12, curtain calibration module；13, projector's calibration module；14, projection module.
Specific implementation mode
Below in conjunction with attached drawing, the specific implementation mode of the present invention is described in further detail, so that technical solution of the present invention is more
It should be readily appreciated that and grasp.
The first object of the present invention is to provide a kind of laser television with focusing mechanism, including laser light source projection
And projection screen 100, the projection screen 100 are removably connected with four axis location structures, the four axis location structure includes
Four positioning units, four positioning elastic ropes and four detecting elements, four positioning units are respectively that upper left positioning is single
Member 210, upper right positioning unit 220, lower-left positioning unit 230 and bottom right positioning unit 240, four positioning unit difference
It is removably connected to four angle points of the projection screen 100；Positioning unit can be the fixed structure of small volume first, only
With being fixed on projection screen 100, shape and structure, which is not done, to be limited to, and fixed form can be velcro, magnetite, card
Button connection etc., is only detachably connected with realization, is not repeated equally, shown referring to Fig.1, and positioning unit is pressed following institute
Show installation,
Four positioning elastic ropes include upper positioning elastic rope 301, lower positioning elastic rope 302, left 303 and of positioning elastic rope
Right positioning elastic rope 304；The four axis location structure further includes tightening structure, and the tightening structure is described for tightening or loosening
Positioning elastic rope.The tightening structure is set as four, and four tightening structures are respectively the first tightening structure 211, second
Tightening structure 221, third tightening structure 231 and the 4th tightening structure 241；First tightening structure 211 is set to described
Inside upper left positioning unit 210, the upper right positioning unit 220 is fixed in described upper 301 one end of positioning elastic rope, the other end around
Set on first tightening structure 211, the upper positioning elastic rope can be tightened or loosen by rotating first tightening structure 211
301；Second tightening structure 221 is set to inside the upper right positioning unit 220, described right 304 one end of positioning elastic rope
It is fixed on the bottom right positioning unit 240, the other end is set around second tightening structure 221, rotation the second tightening knot
The right positioning elastic rope 304 can be tightened or be loosened to structure 221；It is single that the third tightening structure 231 is set to the lower-left positioning
Inside member 230, the upper left positioning unit 210 is fixed in one end of the left positioning elastic rope 303, and the other end is set around described
Third tightening structure 231, the left positioning elastic rope 303 can be tightened or loosen by rotating the third tightening structure 231；It is described
4th tightening structure 241 is set to inside the bottom right positioning unit 240, and one end of the lower positioning elastic rope 302 is fixed on
The lower-left positioning unit 230, the other end are set around the 4th tightening structure 241, and rotating the 4th tightening structure 241 can
Tighten or loosen the lower positioning elastic rope 302.Mounting means is as follows first, and positioning unit is first fixed to projection screen first
100 corresponding position, each positioning elastic rope should there are allowances at this time, then by tightening structure respectively to each positioning bullet
Property rope tightened, can thus complete vertical, facilitate detection.And tightening structure does not do and limits to, and is received by way of rotation
Tightly or loosen elastic string, can be realized by existing rotational structure.
Positioning elastic rope 301, institute are connected between the upper left positioning unit 210 and the upper right positioning unit 220
It states and is provided with horizontal detecting element 401 on positioning elastic rope 301, the upper horizontal detecting element 401 is according to its own water
Square to tilt quantity export first level deviant；Between the lower-left positioning unit 230 and the bottom right positioning unit 240
It is connected with lower positioning elastic rope 302, lower horizontal detecting element 402, the lower level are provided on the lower positioning elastic rope 302
Detecting element 402 exports the second horizontal offset values according to the tilt quantity of its own horizontal direction；210 He of upper left positioning unit
It is connected with left positioning elastic rope 303 between the lower-left positioning unit 230, left hang down is provided on the left positioning elastic rope 303
Straight detecting element 403, the left vertical detection element 403 export the first vertical shift according to the tilt quantity of itself vertical direction
Value；Right positioning elastic rope 304 is connected between the upper right positioning unit 220 and the bottom right positioning unit 240, it is described right fixed
It is provided with right vertical detection element 404 in the elastic string 304 of position, the right vertical detection element 404 is according to itself vertical direction
Tilt quantity exports the second vertical offset value；Detecting element could be provided as obliquity sensor, relatively simple facility.
With reference to shown in Fig. 2, the laser light source projection includes projection module 14, locating module 11, curtain calibrating die
Block 12 and projector's calibration module 13, the locating module 11 are connected with certain bit scan device, the positioning scanner setting
In on the laser projection, the positioning scanner obtains positioning scanner respectively by way of scanning and four described fixed
Position relationship between bit location is to obtain top-left position relation value, upper-right position relation value, lower left position relation value and the right side
Lower position relation value；First positioning scanner could be provided as infrared locator, by detecting distance and with target location institute
At angle it may determine that actual relative position relation, and positioning unit is internally provided with responsor, can also pass through sound
Wave positions, and principle is identical, does not do limit to herein, and has got positioning unit and positioned the relative position of scanner, so that it may with
The position for knowing perspective plane can be carried out projecting after the completion of adjustment according to relative position relation.
It is the calibration to curtain first, in order to the relative position relation of projection screen 100 and metope is adjusted, it is described
Curtain calibration module 12 is configured with curtain calibration strategy, and projector's calibration module 13 is configured with projector's calibration strategy；Institute
State curtain calibration strategy include obtain in real time the first level deviant, the second horizontal offset values, the first vertical offset value with
And second vertical offset value and according to the first level deviant, the second horizontal offset values, the first vertical offset value and
Two vertical offset values calculate output curtain calibration information by preset first correction algorithm, are projected by the laser light source
Machine projects the curtain calibration information to projection screen 100 after the curtain calibration information meets the first preset condition,
Execute projector's calibration strategy；The curtain calibration information includes horizontal parallel calibration information and vertical collimation letter
Breath, the horizontal parallel calibration information is used to calibrate the first level deviant and the second horizontal offset values are equal；It is described perpendicular
Straight collimation information is used to calibrate first vertical offset value and the second vertical offset value is equal.First preset condition
It is less than a preset horizontal error including first level deviant and the difference of the second horizontal offset values and the second horizontal offset values
Value；First preset condition further includes that the first vertical offset value and the second vertical offset value are less than a preset vertical error
Value.First preset condition further includes the first level deviant, the second horizontal offset values, the first vertical offset value and
The sum of two vertical offset values are less than a preset heeling error value.Curtain calibration realization is four angles of curtain to be adjusted, so that
Positioning unit is a parallel four side structure, then adjusts the level of curtain and the upright position of curtain again so that curtain at
Rectangle is arranged and is parallel to metope setting, and lower edges are parallel to ground setting simultaneously, and left and right side edge is set perpendicular to ground
It sets.
Projector's calibration strategy includes that scanner obtains top-left position relation value in real time, upper-right position is closed by positioning
Set occurrence, lower left position relation value and bottom-right location relation value and according to the top-left position relation value, upper-right position relation value,
Lower left position relation value and bottom-right location relation value calculate output projector calibration letter by preset second correction algorithm
Breath is projected projector's calibration information to projection screen 100 until the projector by the laser light source projection
After calibration information meets the second preset condition, closed according to top-left position relation value at this time, upper-right position relation value, lower left position
Set occurrence and bottom-right location relation value generate projected position relation value, and the projected position relation value is input to projection module
14, the projected position relation value reflects the relative position relation of the laser light source projection and the projection screen 100；Institute
It includes depth offset information and height tolerance information to state projection calibration information, laser light described in the depth offset message reflection
Source projector and relative distance of the projection screen 100 in depth；Laser light source described in the height tolerance message reflection
Projector and the relative distance of the projection screen 100 in height.Second preset condition includes making the depth offset
Information meets a preset depth distance range；Second preset condition further includes that the depth offset information is made to meet one in advance
If height distance range.This purpose is in order to adjust opposite depth relationship, if hypotelorism and too far all can not be complete
At projection, so only can be just adjusted when distance meets depth adjustment relationship.And height is same, needs to meet one
Preset altitude range can be just configured.
When the projection module 14 receives projected position relation value, generated according to the projected position relation value corresponding
Projective parameter configures the laser light source projection according to the projective parameter.And according to after adjusting as a result, for having
Curtain position be to determine, so can projection be done directly this parameter configuration to laser light source projection, this
Technology is more mature, can complete to project using projection angle, scaling inside projector is adjusted.
In order to realize that the second object of the present invention provides a kind of focusing method of laser television, laser light source projection is provided
And projection screen 100, the projection screen 100 are removably connected with four axis location structures, the four axis location structure includes
Four positioning units, four positioning elastic ropes and four detecting elements, four positioning units are respectively that upper left positioning is single
Member 210, upper right positioning unit 220, lower-left positioning unit 230 and bottom right positioning unit 240, four positioning unit difference
It is removably connected to four angle points of the projection screen 100；
Four positioning elastic ropes include upper positioning elastic rope 301, lower positioning elastic rope 302, left 303 and of positioning elastic rope
Right positioning elastic rope 304；
Be connected with positioning elastic rope 301 between the upper left positioning unit 210 and the upper right positioning unit 220, it is described on
Horizontal detecting element 401 is provided on positioning elastic rope 301, the upper horizontal detecting element 401 is according to its own level side
To tilt quantity export first level deviant；
Lower positioning elastic rope 302 is connected between the lower-left positioning unit 230 and the bottom right positioning unit 240, under described
Lower horizontal detecting element 402 is provided on positioning elastic rope 302, the lower horizontal detecting element 402 is according to its own level side
To tilt quantity export the second horizontal offset values；
Left positioning elastic rope 303, the left side are connected between the upper left positioning unit 210 and the lower-left positioning unit 230
Left vertical detection element 403 is provided on positioning elastic rope 303, the left vertical detection element 403 is according to itself vertical direction
Tilt quantity export the first vertical offset value；
Right positioning elastic rope 304, the right side are connected between the upper right positioning unit 220 and the bottom right positioning unit 240
Right vertical detection element 404 is provided on positioning elastic rope 304, the right vertical detection element 404 is according to itself vertical direction
Tilt quantity export the second vertical offset value；
The laser light source projection includes projection module 14, locating module 11, curtain calibration module 12 and projector school
Quasi-mode block 13, the locating module 11 are connected with certain bit scan device, and the positioning scanner is set to the laser projection
On, the positioning scanner obtains the position between positioning scanner and four positioning units respectively by way of scanning
Relationship is to obtain top-left position relation value, upper-right position relation value, lower left position relation value and bottom-right location relation value；
It is as follows：
Step 1, the four axis location structure is installed on the projection screen 100；
Step 2, laser light source projection is opened；
Step 3, in real time obtain obtain in real time the first level deviant, the second horizontal offset values, the first vertical offset value with
And second vertical offset value and according to the first level deviant, the second horizontal offset values, the first vertical offset value and
Two vertical offset values calculate output curtain calibration information by preset first correction algorithm, are projected by the laser light source
The curtain calibration information is projected to machine the position for adjusting the projection screen 100 manually to projection screen 100 until the curtain
Cloth calibration information meets the first preset condition；
Step 4, top-left position relation value, upper-right position relation value, lower left position pass are obtained in real time by positioning scanner in real time
Set occurrence and bottom-right location relation value and according to the top-left position relation value, upper-right position relation value, lower left position relation value
And bottom-right location relation value calculates output projector calibration information by preset second correction algorithm, passes through the laser
Light sources project machine projects projector's calibration information to projection screen 100, adjusts the laser light source projection manually
Position is until projector's calibration information meets the second preset condition；
Step 5, according to top-left position relation value, upper-right position relation value, lower left position relation value and bottom-right location at this time
Relation value generates projected position relation value, the projected position relation value is input to projection module 14, the projected position closes
Set occurrence reflects the relative position relation of the laser light source projection and the projection screen 100；
Step 6, it when the projection module 14 receives projected position relation value, is generated and is corresponded to according to the projected position relation value
Projective parameter, the laser light source projection is configured according to the projective parameter.
Several wall telltale marks and projector's telltale mark are provided, further include step 7, by the wall telltale mark
It is marked on the wall of the installation of the projection screen 100 with the position of the determination projection screen 100, the projector is positioned
It is marked in the plane that the laser light source projection is placed to determine the position of laser light source projection.The wall is fixed
Position label could be provided as paster, fixed block, positioning rubber, the bond smaller object with positioning function in equal volume, corresponding
Projector's telltale mark it is also possible that setting, specific position can be so determined by telltale mark,
Next time after being moved easily is fixed.
Certainly, the representative instance of the above only present invention, in addition to this, the present invention can also have other a variety of specific implementations
Mode, all technical solutions formed using equivalent substitution or equivalent transformation, is all fallen within the scope of protection of present invention.
Claims (10)
1. a kind of laser television with focusing mechanism, including laser light source projection and projection screen, it is characterised in that：Institute
It states projection screen and is removably connected with four axis location structures, the four axis location structure includes four positioning units, four positioning
Elastic string and four detecting elements, four positioning units are respectively that upper left positioning unit, upper right positioning unit, lower-left are fixed
Bit location and bottom right positioning unit, four positioning units are removably connected to four angles of the projection screen respectively
Point；
Four positioning elastic ropes include upper positioning elastic rope, lower positioning elastic rope, left positioning elastic rope and right positioning bullet
Property rope；
Positioning elastic rope, the upper positioning elastic rope are connected between the upper left positioning unit and the upper right positioning unit
On be provided with horizontal detecting element, the upper horizontal detecting element exports the first water according to the tilt quantity of its own horizontal direction
Flat deviant；
Lower positioning elastic rope, the lower positioning elastic rope are connected between the lower-left positioning unit and the bottom right positioning unit
On be provided with lower horizontal detecting element, the lower horizontal detecting element exports the second water according to the tilt quantity of its own horizontal direction
Flat deviant；
Left positioning elastic rope, the left positioning elastic rope are connected between the upper left positioning unit and the lower-left positioning unit
On be provided with left vertical detection element, the left vertical detection element is vertical according to the tilt quantity of itself vertical direction output first
Deviant；
Right positioning elastic rope, the right positioning elastic rope are connected between the upper right positioning unit and the bottom right positioning unit
On be provided with right vertical detection element, the right vertical detection element is vertical according to the tilt quantity of itself vertical direction output second
Deviant；
The laser light source projection includes projection module, locating module, curtain calibration module and projector's calibration module,
The locating module is connected with certain bit scan device, and the positioning scanner is set on the laser projection, the positioning
Scanner obtains the position relationship between positioning scanner and four positioning units to obtain respectively by way of scanning
Top-left position relation value, upper-right position relation value, lower left position relation value and bottom-right location relation value；
The curtain calibration module calibrates plan configured with curtain calibration strategy, projector's calibration module configured with projector
Slightly；
The curtain calibration strategy includes obtaining the first level deviant, the second horizontal offset values, first in real time vertically partially
Shifting value and the second vertical offset value and according to the first level deviant, the second horizontal offset values, the first vertical offset value
And second vertical offset value output curtain calibration information calculated by preset first correction algorithm, pass through the laser light
Source projector projects the curtain calibration information to projection screen until the curtain calibration information meets the first preset condition
Afterwards, projector's calibration strategy is executed；Projector's calibration strategy includes obtaining upper left position in real time by positioning scanner
It sets relation value, upper-right position relation value, lower left position relation value and bottom-right location relation value and is closed according to the top-left position
Set occurrence, upper-right position relation value, lower left position relation value and bottom-right location relation value pass through preset second correction algorithm
Output projector calibration information is calculated, is projected projector's calibration information to projection screen by the laser light source projection
Cloth is after projector's calibration information meets the second preset condition, according to top-left position relation value, upper-right position at this time
Relation value, lower left position relation value and bottom-right location relation value generate projected position relation value, by the projected position relationship
Value is input to projection module, and the projected position relation value reflects the opposite of the laser light source projection and the projection screen
Position relationship；
When the projection module receives projected position relation value, corresponding projection is generated according to the projected position relation value and is joined
Number configures the laser light source projection according to the projective parameter.
2. a kind of laser television with focusing mechanism as described in claim 1, it is characterised in that：The four axis location structure
Further include tightening structure, the tightening structure is for tightening or loosening the positioning elastic rope.
3. a kind of laser television with focusing mechanism as described in claim 1, it is characterised in that：The tightening structure setting
It it is four, four tightening structures are respectively the first tightening structure, the second tightening structure, third tightening structure and the 4th receipts
Locking structure；
First tightening structure is set to inside the upper left positioning unit, and described upper positioning elastic rope one end is fixed on described
Upper right positioning unit, the other end are set around first tightening structure, and institute can be tightened or loosen by rotating first tightening structure
State positioning elastic rope；
Second tightening structure is set to inside the upper right positioning unit, and described right positioning elastic rope one end is fixed on described
Bottom right positioning unit, the other end are set around second tightening structure, and institute can be tightened or loosen by rotating second tightening structure
State right positioning elastic rope；
The third tightening structure is set to inside the lower-left positioning unit, and institute is fixed in one end of the left positioning elastic rope
Upper left positioning unit is stated, the other end is set around the third tightening structure, and rotating the third tightening structure can tighten or put
The pine left positioning elastic rope；
4th tightening structure is set to inside the bottom right positioning unit, and institute is fixed in one end of the lower positioning elastic rope
Lower-left positioning unit is stated, the other end is set around the 4th tightening structure, and rotating the 4th tightening structure can tighten or loosen
The lower positioning elastic rope.
4. a kind of laser television with focusing mechanism as described in claim 1, it is characterised in that：The curtain calibration information
Including horizontal parallel calibration information and vertical collimation information, the horizontal parallel calibration information is for calibrating described first
Horizontal offset values and the second horizontal offset values are equal；The vertical collimation information is for calibrating first vertical offset value
It is equal with the second vertical offset value.
5. a kind of laser television with focusing mechanism as claimed in claim 4, it is characterised in that：First preset condition
It is less than a preset horizontal error including first level deviant and the difference of the second horizontal offset values and the second horizontal offset values
Value；First preset condition further includes that the first vertical offset value and the second vertical offset value are less than a preset vertical error
Value.
6. a kind of laser television with focusing mechanism as claimed in claim 4, it is characterised in that：First preset condition
Further include that the sum of the first level deviant, the second horizontal offset values, the first vertical offset value and second vertical offset value are small
In a preset heeling error value.
7. a kind of laser television with focusing mechanism as described in claim 1, it is characterised in that：The projection calibration information
Including depth offset information and height tolerance information, laser light source projection described in the depth offset message reflection with it is described
Relative distance of the projection screen in depth；Laser light source projection described in the height tolerance message reflection and the projection screen
The relative distance of cloth in height.
8. a kind of laser television with focusing mechanism as claimed in claim 7, it is characterised in that：Second preset condition
Including making the depth offset information meet a preset depth distance range；Second preset condition further includes making the depth
It spends deviation information and meets a preset height distance range.
9. a kind of focusing method of laser television, it is characterised in that：Laser light source projection and projection screen, the throwing are provided
Shadow curtain is removably connected with four axis location structures, and the four axis location structure includes four positioning units, four positioning elastics
Rope and four detecting elements, four positioning units are respectively upper left positioning unit, upper right positioning unit, lower-left positioning list
Member and bottom right positioning unit, four positioning units are removably connected to four angle points of the projection screen respectively；
Four positioning elastic ropes include upper positioning elastic rope, lower positioning elastic rope, left positioning elastic rope and right positioning bullet
Property rope；
Positioning elastic rope, the upper positioning elastic rope are connected between the upper left positioning unit and the upper right positioning unit
On be provided with horizontal detecting element, the upper horizontal detecting element exports the first water according to the tilt quantity of its own horizontal direction
Flat deviant；
Lower positioning elastic rope, the lower positioning elastic rope are connected between the lower-left positioning unit and the bottom right positioning unit
On be provided with lower horizontal detecting element, the lower horizontal detecting element exports the second water according to the tilt quantity of its own horizontal direction
Flat deviant；
Left positioning elastic rope, the left positioning elastic rope are connected between the upper left positioning unit and the lower-left positioning unit
On be provided with left vertical detection element, the left vertical detection element is vertical according to the tilt quantity of itself vertical direction output first
Deviant；
Right positioning elastic rope, the right positioning elastic rope are connected between the upper right positioning unit and the bottom right positioning unit
On be provided with right vertical detection element, the right vertical detection element is vertical according to the tilt quantity of itself vertical direction output second
Deviant；
The laser light source projection includes projection module, locating module, curtain calibration module and projector's calibration module,
The locating module is connected with certain bit scan device, and the positioning scanner is set on the laser projection, the positioning
Scanner obtains the position relationship between positioning scanner and four positioning units to obtain respectively by way of scanning
Top-left position relation value, upper-right position relation value, lower left position relation value and bottom-right location relation value；
It is as follows：
Step 1, the four axis location structure is installed on the projection screen；
Step 2, laser light source projection is opened；
Step 3, in real time obtain obtain in real time the first level deviant, the second horizontal offset values, the first vertical offset value with
And second vertical offset value and according to the first level deviant, the second horizontal offset values, the first vertical offset value and
Two vertical offset values calculate output curtain calibration information by preset first correction algorithm, are projected by the laser light source
The curtain calibration information is projected to machine the position for adjusting the projection screen manually to projection screen until the curtain is calibrated
Information meets the first preset condition；
Step 4, top-left position relation value, upper-right position relation value, lower left position pass are obtained in real time by positioning scanner in real time
Set occurrence and bottom-right location relation value and according to the top-left position relation value, upper-right position relation value, lower left position relation value
And bottom-right location relation value calculates output projector calibration information by preset second correction algorithm, passes through the laser
Light sources project machine projects projector's calibration information to projection screen, adjusts the position of the laser light source projection manually
Until projector's calibration information meets the second preset condition；
Step 5, according to top-left position relation value, upper-right position relation value, lower left position relation value and bottom-right location at this time
Relation value generates projected position relation value, and the projected position relation value is input to projection module, the projected position relationship
Value reflects the relative position relation of the laser light source projection and the projection screen；
Step 6, it when the projection module receives projected position relation value, is generated according to the projected position relation value corresponding
Projective parameter configures the laser light source projection according to the projective parameter.
10. a kind of focusing method of laser television as claimed in claim 9, it is characterised in that：Several wall positioning marks are provided
Note and projector's telltale mark, further include step 7, and the wall telltale mark is marked on to the wall of the projection screen installation
With the position of the determination projection screen on body, projector's telltale mark is marked on the laser light source projection and is placed
Plane on to determine the position of laser light source projection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810411127.0A CN108737803A (en) | 2018-05-02 | 2018-05-02 | A kind of laser television and its focusing method with focusing mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810411127.0A CN108737803A (en) | 2018-05-02 | 2018-05-02 | A kind of laser television and its focusing method with focusing mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743519A (en) * | 2019-02-28 | 2019-05-10 | 四川长虹网络科技有限责任公司 | The laser television and laser television installation position detection method of installation position can be detected |
| CN110807805A (en) * | 2019-11-11 | 2020-02-18 | 成都极米科技股份有限公司 | Curtain area positioning method and device, projection equipment and medium |
| CN111064940A (en) * | 2019-12-20 | 2020-04-24 | 青岛海信激光显示股份有限公司 | Laser projection television |
| WO2021174989A1 (en) * | 2020-03-04 | 2021-09-10 | 深圳光峰科技股份有限公司 | Projection system and method for adjusting projection screen |
-
2018
- 2018-05-02 CN CN201810411127.0A patent/CN108737803A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109743519A (en) * | 2019-02-28 | 2019-05-10 | 四川长虹网络科技有限责任公司 | The laser television and laser television installation position detection method of installation position can be detected |
| CN110807805A (en) * | 2019-11-11 | 2020-02-18 | 成都极米科技股份有限公司 | Curtain area positioning method and device, projection equipment and medium |
| CN111064940A (en) * | 2019-12-20 | 2020-04-24 | 青岛海信激光显示股份有限公司 | Laser projection television |
| CN111064940B (en) * | 2019-12-20 | 2023-09-26 | 青岛海信激光显示股份有限公司 | Laser projection television |
| WO2021174989A1 (en) * | 2020-03-04 | 2021-09-10 | 深圳光峰科技股份有限公司 | Projection system and method for adjusting projection screen |
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