CN114035399A - Projection terminal and method for realizing multi-terminal same-screen projection - Google Patents
Projection terminal and method for realizing multi-terminal same-screen projection Download PDFInfo
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- CN114035399A CN114035399A CN202111332354.2A CN202111332354A CN114035399A CN 114035399 A CN114035399 A CN 114035399A CN 202111332354 A CN202111332354 A CN 202111332354A CN 114035399 A CN114035399 A CN 114035399A
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- 239000011521 glass Substances 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000005012 migration Effects 0.000 claims description 4
- 238000013508 migration Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012163 sequencing technique Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005286 illumination Methods 0.000 abstract description 5
- 230000001502 supplementing effect Effects 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 description 9
- CJDNEKOMKXLSBN-UHFFFAOYSA-N 1-chloro-3-(4-chlorophenyl)benzene Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC(Cl)=C1 CJDNEKOMKXLSBN-UHFFFAOYSA-N 0.000 description 4
- 210000005069 ears Anatomy 0.000 description 4
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- 238000001514 detection method Methods 0.000 description 2
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- 230000005389 magnetism Effects 0.000 description 2
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
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- 125000003003 spiro group Chemical group 0.000 description 1
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- 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
- G03B21/54—Accessories
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
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- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a projection terminal and a method for realizing multi-terminal same-screen projection, which comprises a support frame and a frame arranged at the upper end of the support frame, wherein an electronic whiteboard body and a projector are respectively arranged on the frame, a light filling lamp is annularly arranged on the inner wall of the frame, an ambient light intensity sensor is symmetrically arranged on the outer side wall of the frame, a controller is arranged on the back side surface of the frame, slots are respectively arranged on two sides of the working surface of the frame, two lug plates are inserted in the slots, a horizontal moving assembly is arranged between each slot and each lug plate, a plurality of sliding grooves are respectively arranged at two ends of the inner wall of each lug plate, sliding blocks are connected in the sliding grooves in a sliding manner, and a low-light transparent plate is arranged between the sliding blocks at two ends. The illumination intensity of the two sides is detected through the ambient light intensity sensor, and the movable rod, the connecting plate, the electric push rod and the laser range finder in the light supplementing lamp, the weak light transparent plate and the horizontal moving assembly are matched, so that the definition of the electronic whiteboard body in the using process is improved, the interference of ambient strong light is avoided, and the user can watch the whiteboard conveniently.
Description
Technical Field
The invention belongs to the technical field of projection, and particularly relates to a projection terminal and a method for realizing multi-terminal same-screen projection.
Background
Projection refers to the projection of the shape of an object onto a plane with a set of light rays, called projection, and the resulting image on the plane is also called projection, which can be divided into orthographic projection, i.e. the projection of a plane with the center line of the projection line perpendicular to the projection plane, called oblique projection, and oblique projection, i.e. the projection of a plane with the center line of the projection line not perpendicular to the projection plane.
In the office field, the interactive electronic whiteboard can communicate information with a computer, connect the electronic whiteboard to a PC, and project the content on the PC to the screen of the electronic whiteboard by using a projector, under the support of a special application program, a large-screen, interactive collaborative meeting or teaching environment can be constructed, a specific positioning pen is used to replace a mouse to operate on the whiteboard, any application program can be run, any operation which can be realized on the computer by using a keyboard and the mouse, such as editing, annotating, saving files, and the like, can be performed, and the defects exist: interactive whiteboard projection terminal uses indoor usually, the data on the projector with the computer are projected on whiteboard with the image form, the image on whiteboard receives the interference of external highlight easily, lead to the unclear problem of projected image, current solution is only to close indoor (window) curtain, avoid penetrating into of external highlight, nevertheless make indoor comparatively dark simultaneously, the observer watches whiteboard under dim environment for a long time and produces eye fatigue easily, and current projection terminal can only support single terminal equipment projection, can not carry out the projection of multi-terminal with the screen as required.
Therefore, a projection terminal and a method for implementing multi-terminal same-screen projection are proposed to solve the problems mentioned in the background art.
Disclosure of Invention
The invention aims to provide a projection terminal and a method for realizing multi-terminal same-screen projection, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a projection terminal, includes the support frame, sets up the frame of support frame upper end, be provided with electron white plate body and projector on the frame respectively, the hoop is provided with the light filling lamp on the frame inner wall, and frame lateral wall symmetry is provided with ambient light intensity sensor, and frame dorsal plane side is provided with the controller, frame working face both sides all are equipped with the slot, and the slot interpolation is equipped with the ears board, be provided with the horizontal migration subassembly between slot and the ears board, ears board inner wall both ends all are equipped with a plurality of spout, and the sliding connection has the slider in the spout, both ends be provided with the low light transparent plate between the slider.
Preferably, frame inner wall four sides all are provided with the PCB board, on the frame inner wall four sides the corresponding setting of light filling lamp is in corresponding the position on the PCB board, and the light filling lamp is through PCB board and controller electric connection, ambient light intensity sensor sets up the preceding both sides of frame, and ambient light intensity sensor output and controller electric connection.
Can carry out unitized control to the light filling lamp through the PCB board, the light filling lamp can improve the definition of the white plate body of electron to judge whether the external world has the highlight to disturb through environment light intensity sensor.
Preferably, the horizontal migration subassembly sets up including the symmetry the movable rod on the two otic placode lateral walls, it is equipped with the activity hole to correspond on the slot inner wall, and the movable rod runs through in the activity hole, and the movable rod outer end is provided with the linkage plate, frame dorsal plane is provided with electric putter, and the flexible end setting of electric putter is in on the linkage plate, and electric putter control end and controller electric connection.
Through movable rod, joint board and electric putter in the horizontal component, can carry out adaptability to the position of two otic placodes in the slot and adjust.
Preferably, the frame dorsal surface is provided with a laser range finder, the inner surface of the connecting plate is provided with a reference block, the detection end of the laser range finder and the center of the reference block are positioned on the same horizontal line, and the output end of the laser range finder is electrically connected with the controller.
The movement amount of the connection plate can be controlled through the laser range finder, so that the movement amount of the double-ear plate is indirectly and accurately controlled.
Preferably, be located the low light transparent plate outside between the slider and be provided with the connection and hold the board, and the slider inserts the end and is provided with the magnet piece, magnet piece magnetism adsorb connect in on the spout inner wall.
The slider can be fixed in the chute through the magnet block.
Preferably, the low-light transparent plate is made of one of electrically controlled dimming glass, gray glass and a shading transparent PVC plate.
The weak light transparent plate can weaken external strong light, and the influence of the strong light on the electronic white board body is reduced.
The invention also provides a method for realizing multi-terminal same-screen projection by the projection terminal, which specifically comprises the following steps:
s1, local area network installation: deploying a data transmission end in the projector to a local area network, distributing an encrypted IP, placing the encrypted IP on a cabinet, and connecting a network cable and a power line;
s2, PC end connection: installing computers, mobile phones and panels which need to be on the same screen, connecting the computers, the mobile phones and the panels with a projector, and constructing a software client required by a local area network;
s3, identifying connection: simultaneously logging a computer, a mobile phone and a flat board into a projection mechanism local area network through an encrypted IP in S1 and a software client in S2, entering a same-screen projection state, numbering and sequencing the computer, the mobile phone and the flat board which are added into the local area network through a classification unit by the projector local area network, and controlling projection of equipment entering the local area network through a computer operation end;
s4, multi-terminal same-screen projection: when the electronic whiteboard body is used, the same screen is started only through the software client, the connecting equipment needing the same screen is selected through the computer operation end, the multiple terminals and the same screen are carried out on the electronic whiteboard body through the projector, and the multiple terminal display area amount of the same screen is adjusted through the electronic whiteboard body screen ratio distribution unit.
Compared with the prior art, the invention has the beneficial effects that: the illumination intensity of the two sides of the working face of the electronic whiteboard body is detected through the ambient light intensity sensor, and the two ear plates, the movable rod, the connecting plate, the electric push rod and the laser range finder in the light supplementing lamp, the weak light transparent plate and the horizontal moving assembly are matched, so that the definition of the electronic whiteboard body in the using process is improved, the interference of ambient strong light is avoided, and the electronic whiteboard body is convenient to use and watch.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic sectional front view taken along line A-A of FIG. 1;
FIG. 3 is a schematic front sectional view taken at B-B of FIG. 1;
FIG. 4 is a schematic structural view of a double-ear plate, a low-light transparent plate, a sliding block, a movable rod, a connecting holding plate and a magnet block according to the present invention;
FIG. 5 is an enlarged view of a portion a of FIG. 1;
FIG. 6 is an enlarged view of the point b in FIG. 3;
FIG. 7 is an enlarged view of FIG. 2 at c;
FIG. 8 is an enlarged view of FIG. 2 at d;
fig. 9 is an enlarged schematic view of fig. 4 at e.
In the figure: 1. a support frame; 2. a frame; 3. an electronic whiteboard body; 4. a projector; 5. a light supplement lamp; 6. an ambient light intensity sensor; 7. a controller; 8. a slot; 9. a double ear plate; 10. a chute; 11. a slider; 12. a low-light transparent plate; 13. a PCB board; 14. a movable rod; 15. a movable hole; 16. a connector tile; 17. an electric push rod; 18. a laser range finder; 19. a reference block; 20. connecting the holding plate; 21. and a magnet block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a projection terminal, including a supporting frame 1, a frame 2 disposed at an upper end of the supporting frame 1, the frame 2 is respectively provided with an electronic whiteboard body 3 and a projector 4, the inner wall of the frame 2 is annularly provided with a light supplement lamp 5, the light supplement lamp 5 can improve the imaging effect of the projector 4 on the electronic whiteboard body 3, and the outer side wall of the frame 2 is symmetrically provided with an ambient light intensity sensor 6, the model of the ambient light intensity sensor 6 is RS-GZV05-2, the ambient light intensity sensor 6 can measure the illumination quantity of the external environment on the installation position, the back side surface of the frame 2 is screwed with a controller 7, the four edges of the inner wall of the frame 4 are respectively provided with a PCB (printed circuit board) 13, the light supplement lamps 5 on the four edges of the inner wall of the frame 4 are correspondingly arranged on the PCB 13 at the corresponding positions, and the light supplement lamps 5 are electrically connected with the controller 7 through the PCB 13;
the setting of ambient light intensity sensor 6 is in 2 preceding both sides of frame, and 6 output of ambient light intensity sensor and 7 electric connection of controller, through 7 and the cooperation of ambient light intensity sensor 6 of controller, can carry out switching control to 5 switchs of light filling lamp on highlight position PCB board 13, if unilateral ambient light intensity sensor 6 detects when external environment light brightness is higher, can correspond light filling lamp 5 on the position PCB board 13 through the drive of controller 7 and close, otherwise then open.
the two ends of the inner wall of the double-lug plate 9 are respectively provided with three sliding grooves 10, sliding blocks 11 are connected in the sliding grooves 10 in a sliding mode, a weak light transparent plate 12 is arranged between the sliding blocks 11 at the two ends, the weak light transparent plate 12 is formed by one of electric control dimming glass, gray glass and shading transparent PVC plates, irradiated strong light can be weakened through the weak light transparent plate 12, the dimming glass can realize the switching between the transparent state and the non-transparent state of the glass in various modes of electric control, temperature control, light control and voltage control according to the difference of control means and principles, when the power supply of the dimming glass is turned off, liquid crystal molecules in the electric control dimming glass can be in an irregular scattering state, and at the moment, the electric control glass is in a transparent and non-transparent appearance state; when the dimming glass is electrified, the liquid crystal molecules in the dimming glass are arranged in order, light can penetrate through the dimming glass freely, and the dimming glass is in a transparent state instantly.
The horizontal moving component comprises movable rods 14 which are symmetrically welded on the side walls of the two lug plates 9 or are in threaded connection with the side walls of the two lug plates 9, movable holes 15 are correspondingly arranged on the inner walls of the slots 8, the movable rods 14 penetrate through the movable holes 15, the outer ends of the movable rods 14 are provided with connecting plates 16, the back side surfaces of the frames 2 are in threaded connection with electric push rods 17, the telescopic ends of the electric push rods 17 are in threaded connection with the connecting plates 16, the control ends of the electric push rods 17 are electrically connected with a controller 7, when the single-side ambient light intensity sensor 6 detects that the ambient light intensity exceeds a set value, the controller 7 drives the telescopic ends of the electric push rods 17 to retract through an intermediate relay, then the connecting plates 16 and the movable rods 14 are driven to move towards the right side, the two lug plates 9 are moved out of the slots 8 at the same time, the weak light transparent plate 12 arranged on the two lug plates 9 performs effective shading treatment on the ambient light, and the influence of strong light on the electronic whiteboard body 3 is reduced, and three chutes 10 on the double-lug plate 9 are arranged, so that the corresponding number of weak-light transparent plates 12 can be installed according to the actual use field, and the application range of the double-lug plate is improved.
The frame 2 is screwed with laser range finder 18 on the dorsal surface, 16 internal surfaces of connection board are provided with reference block 19, laser range finder 18 sense terminal and reference block 19 central point put and are located same water flat line, detect its and reference block 19's distance through laser range finder 18, be convenient for carry out accurate control to the horizontal displacement volume of connection board 16, thereby can adjust control to the ears board 9 volume of stretching out, and laser range finder 18 output and controller 7 electric connection, controller 7 receives the distance data that laser range finder 18 transmitted, carry out accurate regulation and control to electric putter 17's flexible volume.
Lie in the outside spiro union of low light transparent plate 12 between the slider 11 and perhaps bond and have connection grip 20 again, connect grip 20 and live the parcel of low light transparent plate 12 lateral wall and protect, and be provided with the handle on connecting grip 20 lateral wall, be convenient for ann tears open low light transparent plate 12 in spout 10, and slider 11 inserts the end and is provided with magnet piece 21, magnet piece 21 magnetism adsorb connect in on the 10 inner walls of spout, magnet piece 21 and the magnet setting of 10 inner walls of spout are convenient for carry out interim fixing to low light transparent plate 12.
The invention also provides a method for realizing multi-terminal same-screen projection by the projection terminal, which specifically comprises the following steps:
s1, local area network installation: deploying a data transmission end in the projector 4 to a local area network, distributing an encrypted IP, placing the encrypted IP on a cabinet, and connecting a network cable and a power line;
s2, PC end connection: installing computers, mobile phones and panels which need to be on the same screen, connecting the computers, the mobile phones and the panels with a projector 4, and constructing a software client required by a local area network;
s3, identifying connection: simultaneously logging in a computer, a mobile phone and a panel to a projector 4 to construct a local area network through an encrypted IP in S1 and a software client in S2, entering a same-screen projection state, numbering and sequencing the computer, the mobile phone and the panel added into the local area network through a classification unit by the projector 4 local area network, and controlling projection of equipment entering the local area network through a computer operation end;
s4, multi-terminal same-screen projection: when the electronic white board body 3 is used, the same screen is started only through the software client, the connecting equipment needing the same screen is selected through the computer operation end, the multi-terminal same screen is carried out on the electronic white board body 3 through the projector 4, and the multi-terminal display area amount of the same screen is adjusted through the screen proportion distribution unit of the electronic white board body 3.
In summary, compared with the prior art, when the projector terminal is used, an operator selects a proper number of weak light transparent plates 12 according to the illumination conditions of a use place, inserts the weak light transparent plates into the sliding groove 10 through the sliding block 11, the sliding block 11 is magnetically attached to the inner wall of the sliding groove 10 through the magnet block 21, electrically connects the control end of the light supplement lamp 5 with the controller 7 through the PCB 13, electrically connects the output ends of the ambient light intensity sensor 6 and the laser range finder 18 with the controller 7, electrically connects the control end of the electric push rod 17 with the controller 7, sets the upper limit value of the detection value of the ambient light intensity sensor 6, records and stores the initial data measured by the laser range finder 18, connects the electric elements to the external power socket, and when the ambient light intensity sensor 6 detects that the single-side illumination intensity exceeds the set value in the daily use process, the controller 7 firstly controls the light supplement lamp 5 at the corresponding position to be turned off, and simultaneously, the telescopic end of the electric push rod 17 is reset through an intermediate relay, the electric push rod 17 pushes the connecting plate 16 and the double lug plates 9 to move towards the right side, so that the weak light transparent plate 12 is moved out of the slot 8, the movement amount of the weak light transparent plate 12 is accurately controlled through data detected by the laser range finder 18, the weak light transparent plate 12 weakens strong light at one side, the light supplement lamp 5 at the corresponding position is driven to be turned on through the PCB 13 after the ambient light intensity sensor 6 detects a normal value, and when the influence of the external strong light on the electronic whiteboard body 2 is avoided, the user can conveniently watch the electronic whiteboard body 3 under the assistance of the light supplement lamp 5 and the weak light transparent plate 12;
in the multi-terminal same-screen process, the projection content is protected through the encrypted IP, the multi-terminal display area amount of the same screen is adjusted through the screen proportion distribution unit of the electronic white board body 3, and the application range of the electronic white board body 3 in the multi-terminal same screen is expanded.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a projection terminal, includes support frame (1), sets up frame (2) of support frame (1) upper end, be provided with electron whiteboard body (3) and projector (4) on frame (2) respectively, its characterized in that: the utility model discloses a frame, including frame (2), frame (2) inner wall, the internal ring of frame is to being provided with light filling lamp (5), and frame (2) lateral wall symmetry is provided with ambient light intensity sensor (6), and frame (2) dorsal surface is provided with controller (7), frame (2) working face both sides all are equipped with slot (8), and slot (8) interpolation is equipped with binaural board (9), be provided with the horizontal migration subassembly between slot (8) and binaural board (9), binaural board (9) inner wall both ends all are equipped with a plurality of spout (10), and spout (10) internal slip has slider (11), both ends be provided with dim light transparent plate (12) between slider (11).
2. A projection terminal according to claim 1, characterized in that: frame (4) inner wall four sides all are provided with PCB board (13), on frame (4) inner wall four sides light filling lamp (5) are corresponding to be set up corresponding the position on PCB board (13), and light filling lamp (5) through PCB board (13) and controller (7) electric connection, ambient light intensity sensor (6) set up the preceding both sides of frame (2), and ambient light intensity sensor (6) output and controller (7) electric connection.
3. A projection terminal according to claim 1, characterized in that: horizontal migration subassembly sets up including the symmetry movable rod (14) on two otic placodes (9) lateral walls, it is equipped with activity hole (15) to correspond on slot (8) inner wall, and movable rod (14) run through in activity hole (15), and movable rod (14) outer end is provided with linking up fishplate bar (16), frame (2) dorsal surface is provided with electric putter (17), and electric putter (17) flexible end sets up link up fishplate bar (16) are last, and electric putter (17) control end and controller (7) electric connection.
4. A projection terminal according to claim 3, characterized in that: be provided with laser range finder (18) on frame (2) dorsal surface, linkage plate (16) internal surface is provided with benchmark piece (19), and laser range finder (18) sense terminal and benchmark piece (19) central point put and are located same water flat line, and laser range finder (18) output and controller (7) electric connection.
5. A projection terminal according to claim 1, characterized in that: the connecting holding plate (20) is arranged outside the low-light transparent plate (12) between the sliding blocks (11), the inserting ends of the sliding blocks (11) are provided with magnet blocks (21), and the magnet blocks (21) are magnetically adsorbed and connected on the inner wall of the sliding chute (10).
6. A projection terminal according to claim 1, characterized in that: the low-light transparent plate (12) is formed by one of electric control dimming glass, gray glass and shading transparent PVC plates.
7. A method for realizing multi-terminal same-screen projection by using the projection terminal as claimed in any one of claims 1-6, wherein: the method specifically comprises the following steps:
s1, local area network installation: deploying a data transmission end in the projector (4) to a local area network, distributing an encrypted IP, placing the encrypted IP on a cabinet, and connecting a network cable and a power line;
s2, PC end connection: installing computers, mobile phones and panels which need to be on the same screen, connecting the computers, the mobile phones and the panels with a projector (4) and constructing a software client required by a local area network;
s3, identifying connection: simultaneously logging the computer, the mobile phone and the tablet into the projector (4) to construct a local area network through the encrypted IP in the step S1 and the software client in the step S2, entering a same-screen projection state, numbering and sequencing the computer, the mobile phone and the tablet which are added into the local area network through a classification unit by the local area network of the projector (4), and controlling the projection of equipment entering the local area network through a computer operation end;
s4, multi-terminal same-screen projection: when the electronic white board body (3) is used, the same screen is started only through the software client, the connecting equipment needing the same screen is selected through the computer operation end, the multi-terminal same screen is carried out on the electronic white board body (3) through the projector (4), and the multi-terminal display area amount of the same screen is adjusted through the screen occupation ratio distribution unit of the electronic white board body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111332354.2A CN114035399A (en) | 2021-12-17 | 2021-12-17 | Projection terminal and method for realizing multi-terminal same-screen projection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111332354.2A CN114035399A (en) | 2021-12-17 | 2021-12-17 | Projection terminal and method for realizing multi-terminal same-screen projection |
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| Publication Number | Publication Date |
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| CN114035399A true CN114035399A (en) | 2022-02-11 |
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| CN202111332354.2A Pending CN114035399A (en) | 2021-12-17 | 2021-12-17 | Projection terminal and method for realizing multi-terminal same-screen projection |
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| US20080192017A1 (en) * | 2005-04-11 | 2008-08-14 | Polyvision Corporation | Automatic Projection Calibration |
| CN201745417U (en) * | 2010-06-29 | 2011-02-16 | 吴开远 | Electrical control dimming automobile shading plate |
| CN202854476U (en) * | 2012-09-25 | 2013-04-03 | 江阴东恒新材料科技有限公司 | Shading mobile phone projection screen |
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| CN105557344A (en) * | 2016-02-26 | 2016-05-11 | 湖州明日照明科技有限公司 | Intelligent light supplementing lamp |
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| CN109799929A (en) * | 2019-01-09 | 2019-05-24 | 中山佳时光电科技有限公司 | A kind of anti-light touch-control electronic blank |
| CN109979259A (en) * | 2019-03-25 | 2019-07-05 | 甘肃蒲公英信息技术有限公司 | A kind of online education terminal of wall-mounted artificial intelligence |
| CN209297520U (en) * | 2018-11-21 | 2019-08-23 | 营口市农业工程学校 | A kind of computer-assisted instruction device |
| CN110413240A (en) * | 2018-12-29 | 2019-11-05 | 漳州万利达科技有限公司 | It is a kind of interactive mode conference system and multi-terminal equipment Display on the same screen method |
| CN210723032U (en) * | 2019-10-28 | 2020-06-09 | 昆山国显光电有限公司 | Transparent display panel, display device and display panel thereof |
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| CN211905968U (en) * | 2020-04-21 | 2020-11-10 | 深圳焦点伟业科技有限公司 | Ultra-high gain anti-environment light screen coating device |
| CN112677665A (en) * | 2020-06-12 | 2021-04-20 | 珠海艾派克微电子有限公司 | Consumable chip, printing consumable, packaging material, equipment and communication method |
| CN214312097U (en) * | 2020-12-12 | 2021-09-28 | 上海越菱信息技术有限公司 | Electronic blackboard with front maintenance structure |
| CN214671143U (en) * | 2021-05-17 | 2021-11-09 | 长春光华学院 | Projection curtain structure for electronic commerce teaching |
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| CN105557344A (en) * | 2016-02-26 | 2016-05-11 | 湖州明日照明科技有限公司 | Intelligent light supplementing lamp |
| CN207441041U (en) * | 2017-06-14 | 2018-06-01 | 陕西科技大学镐京学院 | A kind of intelligent tutoring parses showing stand with applied mathematics problem |
| CN209297520U (en) * | 2018-11-21 | 2019-08-23 | 营口市农业工程学校 | A kind of computer-assisted instruction device |
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| CN211780336U (en) * | 2020-03-31 | 2020-10-27 | 郑州鑫众天电子科技有限公司 | LED light filling lamp based on environment light brightness is adjusted independently |
| CN211905968U (en) * | 2020-04-21 | 2020-11-10 | 深圳焦点伟业科技有限公司 | Ultra-high gain anti-environment light screen coating device |
| CN112677665A (en) * | 2020-06-12 | 2021-04-20 | 珠海艾派克微电子有限公司 | Consumable chip, printing consumable, packaging material, equipment and communication method |
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