CN109634044A - A kind of device of elevator projector auto-focusing - Google Patents
A kind of device of elevator projector auto-focusing Download PDFInfo
- Publication number
- CN109634044A CN109634044A CN201710926834.9A CN201710926834A CN109634044A CN 109634044 A CN109634044 A CN 109634044A CN 201710926834 A CN201710926834 A CN 201710926834A CN 109634044 A CN109634044 A CN 109634044A
- Authority
- CN
- China
- Prior art keywords
- focusing
- laser assisted
- laser
- focusing device
- mounting base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a kind of devices of elevator projector auto-focusing, its structure includes automatic focusing mechanism power connection, automatic focusing mechanism mounting base, laser assisted focusing device, circuit control panel, ambient light sensor, projector focusing mechanism, the present invention is by being equipped with laser assisted focusing device, laser assisted focusing device is set in the focus point of projector focusing mechanism by operator, when projector focusing mechanism is focused, the light signal that sensitive chip inside projector focusing mechanism can automatically issue laser assisted focusing device incudes, motor operations are controlled by driving chip again, the laser light source for being issued alignment lens laser assisted focusing device by motor, it at work being capable of auto-focusing to realize the device of equipment elevator projector auto-focusing, and focusing speed is fast, it is easy to use, it is practical.
Description
Technical field
The present invention is a kind of device of elevator projector auto-focusing, belongs to projector Autofocus Technology field.
Background technique
Auto-focusing is to be received the light of reflection by the sensor CCD on camera using the principle of object light reflection, pass through
Computer disposal, the mode for driving electromotive focusing device to focus is auto-focusing.It is divided into two classes more: first is that it is active,
Another is then passive type.
Prior art discloses regard in a kind of elevator based on pressure sensor application No. is CN201621078157.7
Frequency playing device, comprising: pressure sensor is arranged in the band of position that can be reached when elevator door moves in carriage；Pressure
Sensor is for detecting the pressure generated in elevator door opening process and exporting detection signal；Master controller, for connecing
Detection signal is received, and monitors whether elevator door is in fully closed condition；Master controller is also used to be in elevator door and close completely
Output plays control electric signal when conjunction state；Projection arrangement, for receiving broadcasting control electric signal and controlling electric signal playing
Control under play out, will be on image projecting to the elevator inner wall or elevator door of side where projection arrangement；And shell, it uses
In receiving master controller and projection arrangement；Shell is for being fixed in elevator.Video in the above-mentioned elevator based on pressure sensor
Lightweight may be implemented in playing device, large scale plays and will not influence user and takes, and is able to maintain performance and stablizes, but is existing
Drop shadow effect of the technology based on the projector when in use of video play device in the elevator of pressure sensor is poor, projects clarity
It is low, it cannot achieve equipment and focus automatically when in use, inconvenient to use, the practicability is poor.
Summary of the invention
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of device of elevator projector auto-focusing,
With solution.
To achieve the goals above, the present invention is to realize by the following technical solutions: a kind of elevator projector is automatic
The device of focusing, structure include automatic focusing mechanism power connection, automatic focusing mechanism mounting base, laser assisted focusing device,
Circuit control panel, ambient light sensor, projector focusing mechanism, the automatic focusing mechanism power connection is by being electrically connected to
It is installed equipped with automatic focusing mechanism at the center on the upper left side surface of circuit control front edge of board, the circuit control panel front-end surface
Seat, the laser assisted focusing device are set to the upper surface of automatic focusing mechanism mounting base front end, and the projector, which is focused, to be filled
It is arranged in the lower left surface of automatic focusing mechanism mounting base front end, the lower right of the automatic focusing mechanism mounting base front end
Surface is equipped with ambient light sensor, and the laser assisted focusing device is by the first mounting base of laser assisted focusing device, laser assisted
Focusing device mounting hole, laser assisted focusing device main body, the second mounting base of laser assisted focusing device, laser assisted focusing device power supply connect
Wiring, laser bench, laser lamp, fixing seat composition, first mounting base of laser assisted focusing device are connected to laser assisted pair
The right end face on the left end surface of burnt device main body, the laser assisted focusing device main body is connected with laser assisted focusing device second
Mounting base, the laser assisted focusing device mounting hole are respectively arranged on the first mounting base of laser assisted focusing device, laser assisted pair
In the front-end surface of burnt the second mounting base of device, the front-end surface of the laser assisted focusing device main body is equipped with fixing seat, institute
The laser bench stated is connected to the front-end surface of fixing seat, and the laser lamp is set to the inner surface of laser bench front end, and described swashs
Light auxiliary focusing device electric power connection line is connected to the bottom right end surfaces of laser assisted focusing device main body, the laser assisted focusing
Device main body is set to the upper surface of automatic focusing mechanism mounting base front end.
Further, the projector focusing mechanism is by camera lens, motor, base support, sensitive chip, driving chip group
At the camera lens is embedded in the upper end face of motor, and the rear surface of the motor is connected with base support, described
Sensitive chip is embedded in the inner surface of base support, and the lower section of the sensitive chip is equipped with driving chip, the base support
Set on the lower left surface of automatic focusing mechanism mounting base front end.
Further, the automatic focusing mechanism mounting base shape is rectangle, the automatic focusing mechanism mounting base
A length of 5-10cm.
Further, the circuit control panel is the rectangular configuration of a length of 10-20cm.
Further, laser assisted focusing device installation hole shape is circle, the laser assisted focusing device peace
Dress pore radius is 5-10mm, and the laser assisted focusing device mounting hole has 2.
Further, the laser assisted focusing device body shape is rectangle, the laser assisted focusing device main body
A length of 3-5cm.
Further, the laser bench is hollow cylindrical structure.
Further, the ambient light sensor is by ambient light sensor outer housing, environment photoinduction lamp, first environment
Photoinduction light trough, second environment photoinduction light trough form, solid in the right lateral surface of the ambient light sensor outer housing front end
Surely it is equipped with first environment photoinduction light trough, before the second environment photoinduction light trough is fixed at ambient light sensor outer housing
In the left-hand face at end, the environment photoinduction lamp is respectively arranged on first environment photoinduction light trough, second environment photoinduction lamp
The inner surface of slot.
Beneficial effect
A kind of device of elevator projector auto-focusing of the invention is carrying out in use, whether first checking for each section
It is bonded, after confirming Plant in good condition, powers on, the device of equipment elevator projector auto-focusing is started to work, and is passed through
Equipped with laser assisted focusing device, laser assisted focusing device is set in the focus point of projector focusing mechanism by operator, works as throwing
When shadow instrument focusing mechanism is focused, the sensitive chip inside projector focusing mechanism can be automatically to laser assisted focusing device
The light signal of sending is incuded, then controls motor operations by driving chip, and alignment lens laser assisted is focused by motor
The laser light source that device issues, thus realize the device of equipment elevator projector auto-focusing at work can auto-focusing,
And focusing speed is fast, and it is easy to use, it is practical.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the device of elevator projector auto-focusing of the present invention.
Fig. 2 is a kind of working state schematic representation of the device of elevator projector auto-focusing of the present invention.
Fig. 3 is the structural schematic diagram of laser assisted focusing device of the present invention.
Fig. 4 is the working principle diagram of laser assisted focusing device of the present invention.
Fig. 5 is the structural schematic diagram of projector focusing mechanism of the present invention.
Fig. 6 is the structural schematic diagram of ambient light sensor of the present invention.
Fig. 7 is the working principle diagram of ambient light sensor of the present invention.
In figure: automatic focusing mechanism power connection -1, automatic focusing mechanism mounting base -2, laser assisted focusing device -3, electricity
Road control panel -4, ambient light sensor -5, projector focusing mechanism -6, the first mounting base -301 of laser assisted focusing device, laser
Auxiliary focusing device mounting hole -302, laser assisted focusing device main body -303, the second mounting base -304 of laser assisted focusing device, laser
Auxiliary focusing device electric power connection line -305, laser bench -306, laser lamp -307, fixing seat -308, camera lens -601, motor -602,
Base support -603, sensitive chip -604, driving chip -605, ambient light sensor outer housing -501, environment photoinduction lamp -
502, first environment photoinduction light trough -503, second environment photoinduction light trough -504.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
Embodiment one
Fig. 1-Fig. 7 is please referred to, the present invention provides a kind of a kind of device technique scheme of elevator projector auto-focusing: elevator
The device of projector auto-focusing, structure include automatic focusing mechanism power connection 1, automatic focusing mechanism mounting base 2, laser
Auxiliary focusing device 3, circuit control panel 4, ambient light sensor 5, projector focusing mechanism 6, the automatic focusing mechanism power supply
Connector 1 is by being electrically connected to the upper left side surface of 4 front end of circuit control panel, the center of 4 front-end surface of circuit control panel
Equipped with automatic focusing mechanism mounting base 2, the laser assisted focusing device 3 is set to the upper of 2 front end of automatic focusing mechanism mounting base
Surface, the projector focusing mechanism 6 are set to the lower left surface of 2 front end of automatic focusing mechanism mounting base, and described is automatic
The lower right surface of 2 front end of focusing mechanism mounting base is equipped with ambient light sensor 5, and the laser assisted focusing device 3 is by laser
The first mounting base of auxiliary focusing device 301, laser assisted focusing device mounting hole 302, laser assisted focusing device main body 303, laser are auxiliary
Help the second mounting base of focusing device 304, laser assisted focusing device electric power connection line 305, laser bench 306, laser lamp 307, fixing seat
308 compositions, first mounting base of laser assisted focusing device 301 are connected to the left end table of laser assisted focusing device main body 303
The right end face in face, the laser assisted focusing device main body 303 is connected with the second mounting base of laser assisted focusing device 304, institute
The laser assisted focusing device mounting hole 302 stated is respectively arranged on the first mounting base of laser assisted focusing device 301, laser assisted focusing device
In the front-end surface of second mounting base 304, the front-end surface of the laser assisted focusing device main body 303 is equipped with fixing seat
308, the laser bench 306 is connected to the front-end surface of fixing seat 308, and the laser lamp 307 is set to 306 front end of laser bench
Inner surface, the laser assisted focusing device electric power connection line 305 is connected to the bottom righthand side of laser assisted focusing device main body 303
Surface, the laser assisted focusing device main body 303 are set to the upper surface of 2 front end of automatic focusing mechanism mounting base, the throwing
Shadow instrument focusing mechanism 6 is made of camera lens 601, motor 602, base support 603, sensitive chip 604, driving chip 605, described
Camera lens 601 is embedded in the upper end face of motor 602, and the rear surface of the motor 602 is connected with base support 603, institute
The sensitive chip 604 stated is embedded in the inner surface of base support 603, and the lower section of the sensitive chip 604 is equipped with driving chip
605, the base support 603 is set to the lower left surface of 2 front end of automatic focusing mechanism mounting base, the auto-focusing dress
Setting 2 shape of mounting base is rectangle, and a length of 5-10cm of automatic focusing mechanism mounting base 2, the circuit control panel 4 is long
For the rectangular configuration of 10-20cm, 302 shape of laser assisted focusing device mounting hole is circle, the laser assisted pair
Burnt 302 radius of device mounting hole is 5-10mm, and the laser assisted focusing device mounting hole 302 has 2, the laser assisted pair
Burnt 303 shape of device main body is rectangle, and a length of 3-5cm of laser assisted focusing device main body 303, the laser bench 306 is
Hollow cylindrical structure.
Laser assisted focusing device described in this patent is to possess to help the realization of elevator projector focusing mechanism fast automatic right
Burnt auxiliary tool.
In progress in use, first checking for whether each section is bonded, after confirming Plant in good condition, power on, if
The device of standby elevator projector auto-focusing is started to work, and by being equipped with laser assisted focusing device, operator is by laser assisted pair
Burnt device is set in the focus point of projector focusing mechanism, when projector focusing mechanism is focused, projector focusing
The light signal that sensitive chip inside device can automatically issue laser assisted focusing device incudes, then by driving chip control
Motor operations processed, the laser light source for being issued alignment lens laser assisted focusing device by motor, to realize the throwing of equipment elevator
The device of shadow instrument auto-focusing at work can auto-focusing, and focusing speed is fast, easy to use, practical.
Problems solved by the invention be the prior art based on video play device in the elevator of pressure sensor when in use
The drop shadow effect of projector is poor, and projection clarity is low, cannot achieve equipment and focuses automatically when in use, inconvenient to use,
The practicability is poor, and laser assisted focusing device is set in projector and focused by the present invention by being equipped with laser assisted focusing device, operator
Sensitive chip meeting in the focus point of device, when projector focusing mechanism is focused, inside projector focusing mechanism
Automatically the light signal issued to laser assisted focusing device incudes, then controls motor operations by driving chip, will by motor
The laser light source that alignment lens laser assisted focusing device issues, so that the device for realizing equipment elevator projector auto-focusing exists
When work can auto-focusing, and focusing speed is fast, easy to use, practical, described in detail below:
The projector focusing mechanism 6 is by camera lens 601, motor 602, base support 603, sensitive chip 604, driving core
Piece 605 forms, and the camera lens 601 is embedded in the upper end face of motor 602, and the rear surface of the motor 602 is flexibly connected
There is a base support 603, the sensitive chip 604 is embedded in the inner surface of base support 603, under the sensitive chip 604
Side is equipped with driving chip 605, and the base support 603 is set to the lower left surface of 2 front end of automatic focusing mechanism mounting base, institute
2 shape of automatic focusing mechanism mounting base stated is rectangle, the described a length of 5-10cm of automatic focusing mechanism mounting base 2, described
Circuit control panel 4 is the rectangular configuration of a length of 10-20cm, and 302 shape of laser assisted focusing device mounting hole is circle, institute
302 radius of laser assisted focusing device mounting hole stated is 5-10mm, and the laser assisted focusing device mounting hole 302 has 2, institute
303 shape of laser assisted focusing device main body stated is rectangle, the described a length of 3-5cm of laser assisted focusing device main body 303, described
Laser bench 306 be hollow cylindrical structure.
Embodiment two
Fig. 1-Fig. 7 is please referred to, the ambient light sensor 5 is by ambient light sensor outer housing 501, environment photoinduction lamp
502, first environment photoinduction light trough 503, second environment photoinduction light trough 504 form, the ambient light sensor outer housing
First environment photoinduction light trough 503, the second environment photoinduction light trough 504 are fixed in the right lateral surface of 501 front ends
It is fixed in the left-hand face of 501 front end of ambient light sensor outer housing, the environment photoinduction lamp 502 is respectively arranged on
The inner surface of one environment photoinduction light trough 503, second environment photoinduction light trough 504.
In progress in use, first checking for whether each section is bonded, after confirming Plant in good condition, power on, if
The device of standby elevator projector auto-focusing is started to work, by being equipped with ambient light sensor, ambient light sensor when in use
Ambient light situation can be incuded, and ambient light sensing signal is sent to circuit control panel, by circuit control panel
Single-chip microcontroller according to ambient light situation variation projector display brightness is adjusted, thus reach reduce projector power consumption
While can effectively prevent because of the too strong eyes to user of projection ray's brightness caused by adverse effect, it is easy to use, it is real
It is strong with property.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or
In the case where essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of device of elevator projector auto-focusing, structure includes automatic focusing mechanism power connection (1), auto-focusing
Device mounting seat (2), laser assisted focusing device (3), circuit control panel (4), ambient light sensor (5), projector focusing mechanism
(6), it is characterised in that:
The automatic focusing mechanism power connection (1) is by being electrically connected to the upper left side surface of circuit control panel (4) front end, institute
The center of circuit control panel (4) front-end surface stated is equipped with automatic focusing mechanism mounting base (2), the laser assisted focusing device
(3) it is set to the upper surface of automatic focusing mechanism mounting base (2) front end, the projector focusing mechanism (6) is set to auto-focusing
The lower right surface on the lower left surface of device mounting seat (2) front end, described automatic focusing mechanism mounting base (2) front end is equipped with
Ambient light sensor (5)；
The laser assisted focusing device (3) is installed by the first mounting base of laser assisted focusing device (301), laser assisted focusing device
Hole (302), laser assisted focusing device main body (303), the second mounting base of laser assisted focusing device (304), laser assisted focusing device
Electric power connection line (305), laser bench (306), laser lamp (307), fixing seat (308) composition, the laser assisted focusing device
First mounting base (301) is connected to the left end surface of laser assisted focusing device main body (303), the laser assisted focusing device master
The right end face of body (303) is connected with the second mounting base of laser assisted focusing device (304), the laser assisted focusing device installation
Hole (302) is respectively arranged on the first mounting base of laser assisted focusing device (301), the second mounting base of laser assisted focusing device (304)
In front-end surface, the front-end surface of the laser assisted focusing device main body (303) is equipped with fixing seat (308), and described swashs
Light seat (306) is connected to the front-end surface of fixing seat (308), and the laser lamp (307) is set to the interior of laser bench (306) front end
Surface, the laser assisted focusing device electric power connection line (305) are connected to the bottom righthand side of laser assisted focusing device main body (303)
Surface, the laser assisted focusing device main body (303) are set to the upper surface of automatic focusing mechanism mounting base (2) front end.
2. a kind of device of elevator projector auto-focusing according to claim 1, it is characterised in that: the projector
Focusing mechanism (6) is by camera lens (601), motor (602), base support (603), sensitive chip (604), driving chip (605) group
At the camera lens (601) is embedded in the upper end face of motor (602), and the rear surface of the motor (602) is connected with
Base support (603), the sensitive chip (604) are embedded in the inner surface of base support (603), the sensitive chip
(604) lower section is equipped with driving chip (605), and the base support (603) is set to automatic focusing mechanism mounting base (2) front end
Lower left surface.
3. a kind of device of elevator projector auto-focusing according to claim 1, it is characterised in that: described is automatic right
Coke installation mounting base (2) shape is rectangle, described automatic focusing mechanism mounting base (2) a length of 5-10cm.
4. a kind of device of elevator projector auto-focusing according to claim 1, it is characterised in that: the circuit control
Making sheet (4) is the rectangular configuration of a length of 10-20cm.
5. a kind of device of elevator projector auto-focusing according to claim 1, it is characterised in that: the laser is auxiliary
Help focusing device mounting hole (302) shape for circle, laser assisted focusing device mounting hole (302) radius is 5-10mm, institute
The laser assisted focusing device mounting hole (302) stated has 2.
6. a kind of device of elevator projector auto-focusing according to claim 1, it is characterised in that: the laser is auxiliary
Helping focusing device main body (303) shape is rectangle, described laser assisted focusing device main body (303) a length of 3-5cm.
7. a kind of device of elevator projector auto-focusing according to claim 1, it is characterised in that: the laser bench
It (306) is hollow cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926834.9A CN109634044A (en) | 2017-10-08 | 2017-10-08 | A kind of device of elevator projector auto-focusing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710926834.9A CN109634044A (en) | 2017-10-08 | 2017-10-08 | A kind of device of elevator projector auto-focusing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109634044A true CN109634044A (en) | 2019-04-16 |
Family
ID=66050846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710926834.9A Pending CN109634044A (en) | 2017-10-08 | 2017-10-08 | A kind of device of elevator projector auto-focusing |
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| CN (1) | CN109634044A (en) |
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| JPH07119882B2 (en) * | 1990-04-19 | 1995-12-20 | シャープ株式会社 | Focus detection device for liquid crystal projector |
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Application publication date: 20190416 |
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| WD01 | Invention patent application deemed withdrawn after publication |