CN107015428B

CN107015428B - Multimedia interactive projection system

Info

Publication number: CN107015428B
Application number: CN201710237628.7A
Authority: CN
Inventors: 钟俊岭
Original assignee: Sopo Integrated Media Ltd
Current assignee: Sopo Integrated Media Ltd
Priority date: 2017-04-12
Filing date: 2017-04-12
Publication date: 2020-05-22
Anticipated expiration: 2037-04-12
Also published as: CN107015428A

Abstract

The utility model provides an interactive projection system of multi-media, includes imaging module, signalling module, signal acquisition module and signal processing module, pass through signal connection between imaging module, signal acquisition module and the signal processing module, the signalling module includes infra-red transmitter, the signalling module still includes the slide rail and removes the seat, the slide rail includes towards interactive participant's front and towards the reverse side of plane of projection, openly be equipped with the track that slides, the back is equipped with the adsorption apparatus who adsorbs the plane of projection, infra-red transmitter with remove the linkage cooperation of seat, should remove the seat and locate in the track that slides and do sliding fit with it.

Description

Multimedia interactive projection system

Technical Field

The invention relates to a multimedia interactive projection system, in particular to a signal transmitting device of the multimedia interactive projection system.

Background

The multimedia interactive projection system is a multimedia technology for interactively feeding back the actions of the interactive participants and the projected images based on an action tracking technology. The existing multimedia interactive projection system generally comprises an imaging module, a signal transmitting module, a signal acquisition module and a signal processing module.

An imaging module, which generally utilizes a projector or other image display devices to project an image on a specific location, such as a wall surface, a curtain surface, a glass panel, etc., the image display devices except the projector, and a plasma display, a liquid crystal display, and an LED screen can be used as carriers of interactive images;

the signal emission module generally utilizes an infrared emitter to cover and shoot an infrared ray surface (invisible light) at the image presenting position, when the body part of an interactive participant is close to the image to act, the infrared ray can be blocked and interrupted, and when the body part is blocked, the infrared ray can generate a light spot;

the signal acquisition module is used for capturing and shooting according to interaction requirements, and usually an infrared camera is used for capturing light spots generated by the action of an interaction participant, generating coordinate data and feeding the coordinate data back to the signal processing module;

the signal processing module processes the image according to the coordinate data of the light spot by using a computer and computer software, and then feeds the processed image back to the imaging module to project a corresponding image, thereby completing the interaction process.

The problem that it exists is, current multimedia interactive projection system is at the during operation, usually with infrared emitter fixed setting, therefore infrared ray is distributed by a fixed point, when interactive participant's health position was close to the image and is operated, should produce the light spot (for example finger position) at specific operation position, but other positions of health probably are in between finger and the infrared emitter, earlier contact, block infrared ray, the wrong light spot coordinate data produces as a result, multimedia interactive projection system's accurate nature has been influenced, and the plane of projection often belongs to different materials, simple fixed mode causes the condition that infrared emitter drops easily, if the plane of projection has unevenness's the condition, the plane of projection just can't be covered completely in the case that simple fixed infrared emitter who sets up is in the depressed part.

Disclosure of Invention

In order to overcome the technical defects, the invention provides a multimedia interactive projection system capable of adjusting the relative position of a signal emission module and a projection surface in the multimedia interactive projection system.

The technical scheme of the invention is as follows: the utility model provides an interactive projection system of multi-media, includes imaging module, signalling module, signal acquisition module and signal processing module, pass through signal connection between imaging module, signal acquisition module and the signal processing module, the signalling module includes infra-red transmitter, the signalling module still includes the slide rail and removes the seat, the slide rail includes towards interactive participant's front and towards the reverse side of plane of projection, the front is equipped with the track that slides, the reverse side is equipped with the adsorption apparatus who adsorbs the plane of projection, infra-red transmitter with remove the linkage cooperation of seat, should remove the seat and locate in the track that slides and do sliding fit with it.

Adopt above-mentioned technical scheme, adopt the projecting apparatus as imaging module, adopt infrared camera as signal acquisition module, adopt the computer as signal processing module, through the imaging surface department at the projection, for example, the wall, the curtain cover, glass panels etc. position is gone up and is utilized the fixed slide rail of adsorption apparatus, then set up the track that slides on the slide rail, make infrared emitter and removal seat linkage cooperation, along with removing the seat and remove in the track that slides, interactive participant can be according to own posture, the position, through adjusting infrared emitter and removing the position of seat in the track that slides, the position of irrelevant operation is avoided to the infrared ray that makes infrared emitter launch, preferentially shine at specific operation position, make the light spot that specific operation position produced is caught to whole multimedia interactive projection system more accurate.

The invention further comprises the following steps: the signal emission module still includes rack, gear, motor and programmable logic controller, the rack is fixed to be set up in the track that slides, the gear is rotatory to be set up on removing the seat and with rack toothing, the motor sets up drive gear rotation on removing the seat, programmable logic controller includes central processing unit, output and input, the output is connected with the motor, the input is connected with signal processing module, central processing unit control motor is rotatory.

By adopting the technical scheme, the rack is fixedly arranged in the sliding track, the gear is rotatably arranged on the moving seat and meshed with the rack, the motor for driving the gear to rotate and the programmable logic controller for controlling the motor to rotate are arranged on the moving seat, the programmable logic controller comprises a central processing unit, an output end and an input end, the output end is connected with the motor, the input end is connected with the signal processing module, and the central processing unit controls the motor to rotate.

A programmable logic controller is a programmable memory used for storing program, executing logic operation, sequence control, timing, counting and arithmetic operation, and controlling various mechanical or production processes by digital or analog input/output.

A Central Processing Unit (CPU) is the control hub of a programmable logic controller. It receives and stores the user program and data input from the programmer according to the function assigned by the programmable logic controller system program; the states of the power supply, memory, I/O, and watch dog timer are checked, and syntax errors in the user program can be diagnosed. When the programmable logic controller is put into operation, it firstly receives the state and data of each input device in the field in the scanning mode, and stores them in I/O mapping area, then reads user program from user program memory one by one, and after command interpretation, the result of executing logic or arithmetic operation according to the instruction is sent to I/O mapping area or data register. And after all the user programs are executed, finally transmitting each output state of the I/O mapping area or the data in the output register to a corresponding output device, and circularly operating until stopping operation.

The invention further comprises the following steps: the adsorption mechanism comprises a vacuum chuck and a double-sided adhesive tape, the vacuum chuck is arranged on the back of the mounting seat and faces the projection surface of the opening of the vacuum chuck, and the double-sided adhesive tape is attached to the inside of the vacuum chuck.

Adopt above-mentioned technical scheme, through setting up vacuum chuck and setting up the two-sided adhesive tape in the sucking disc, at vacuum chuck laminating projection face, behind the air in the discharge sucking disc, the projection face is hugged closely to the sucking disc, and the two-sided adhesive tape in the sucking disc can contact the projection face simultaneously, further does the bonding connection for adsorption mechanism can adsorb under the dual mode simultaneous action through vacuum adsorption and bonding, firm absorption projection face.

The invention further comprises the following steps: the sliding rail and the rack are arranged in a circular ring shape around the image projection surface.

Adopt above-mentioned technical scheme, do the ring shape setting through centering on the plane of projection with slide rail and rack, the plane of projection is in the central authorities of ring for remove seat and infra-red transmitter and can use the plane of projection as the central point, along fixed radius removal on the slide rail, after setting up like this, even interactive participant need adjust to remove the seat, also can let the distance that removes between seat and infra-red transmitter and the plane of projection central point remain unchanged, when letting the system establish the coordinate system, it is more convenient to set up starting point data.

The invention further comprises the following steps: the signal emission module further comprises a connecting rod and a mounting seat, the connecting rod is arranged on the front face of the movable seat, two ends of the connecting rod are respectively in hinged fit with the movable seat and the mounting seat, and the infrared emitter is in linkage fit with the mounting seat.

Adopt above-mentioned technical scheme, it is fixed in on the plane of projection to remove the seat back through adsorption apparatus, then openly set up the mount pad and with mount pad coordinated infrared emitter moving the seat, both ends through the connecting rod articulate respectively and remove seat and mount pad, make and form the connecting rod motion between mount pad and the removal seat, when interactive participant adsorbs fixing device on unevenness's plane of projection, can be through the articulated motion of connecting rod, the relative position between adjustment removal seat and the mount pad, just can be close to relatively or keep away from the plane of projection with mount pad coordinated infrared emitter, guarantee that the infrared ray of shooing can not blockked by unevenness's projection surface, produce wrong light spot.

The invention further comprises the following steps: the mounting base is provided with a rotating shaft, the infrared transmitter is correspondingly provided with a rotating hole, and the infrared transmitter is sleeved on the rotating shaft through the rotating hole to be in rotating fit.

By adopting the technical scheme, the rotating shaft on the mounting seat and the rotating hole on the infrared transmitter are used, so that the infrared transmitter can be operated in a turnover mode relative to the mounting seat, and the interactive participants can adjust the infrared transmitting angle as required.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an exploded view of an embodiment of the present invention 1;

FIG. 3 is an exploded view of an embodiment of the present invention, FIG. 2;

FIG. 4 is a schematic structural diagram of an adsorption mechanism according to an embodiment of the present invention.

Detailed Description

The embodiment of the invention is a multimedia interactive projection system as shown in fig. 1-4, which includes an imaging module 11, a signal transmitting module, a signal collecting module 12 and a signal processing module 13, wherein the imaging module 11, the signal collecting module 12 and the signal processing module 13 are connected by signals, the signal transmitting module includes an infrared transmitter 14, the signal transmitting module further includes a slide rail 15 and a moving seat 16, the slide rail 15 includes a front surface facing an interactive participant and a back surface facing a projection surface, the front surface is provided with a sliding rail 151, the back surface is provided with an adsorption mechanism 2 adsorbing the projection surface, the infrared transmitter 14 is in linkage fit with the moving seat 16, and the moving seat 16 is arranged in the sliding rail 151 and in sliding fit with the sliding rail.

The projector is adopted as an imaging module 11, the infrared camera is adopted as a signal acquisition module 12, the computer is adopted as a signal processing module 13, the slide rail 15 is fixed by the adsorption mechanism 2 at the projected imaging surface, such as the wall surface, the curtain surface, the glass panel and the like, then the slide rail 151 is arranged on the slide rail 15, the infrared emitter 14 is in linkage fit with the movable seat 16 and moves in the slide rail 151 along with the movable seat 16, and the interactive participants can avoid the position of irrelevant operation according to the posture and the position of the interactive participants by adjusting the positions of the infrared emitter 14 and the movable seat 16 in the slide rail 151, so that the infrared rays emitted by the infrared emitter 14 are preferentially irradiated at the specific operation position, and the whole multimedia interactive projection system can more accurately capture the light spot generated by the specific operation position.

The signal emission module still includes rack 17, gear 18, motor 19 and programmable logic controller 20, rack 17 is fixed to be set up in the track 151 that slides, gear 18 is rotatory to be set up on removing seat 16 and with the meshing of rack 17, motor 19 sets up and drives gear 18 rotation on removing seat 16, programmable logic controller 20 includes central processing unit, output and input, the output is connected with motor 19, the input is connected with signal processing module 13, central processing unit control motor 19 is rotatory.

The rack 17 is fixedly arranged in the sliding track 151, the gear 18 is rotatably arranged on the moving seat 16 and meshed with the rack 17, the motor 19 for driving the gear 18 to rotate and the programmable logic controller 20 for controlling the motor 19 to rotate are arranged on the moving seat 16, the programmable logic controller 20 comprises a central processing unit, an output end and an input end, the output end is connected with the motor 19, the input end is connected with the signal processing module 13, and the central processing unit controls the motor 19 to rotate.

The programmable logic controller 20 controls the motor 19 to operate according to the set direction, speed, angle and response time through the active operation of the integrated circuit. The motor 19 has the advantages of wider application range, higher output efficiency, lower noise and the like, and can be widely applied to the automation field of various controls.

Adsorption device 2 includes vacuum chuck 21 and two-sided adhesive tape 22, vacuum chuck 21 sets up in the 24 backs of mount pad and vacuum chuck 21 dish mouth orientation projection face, two-sided adhesive tape 22 pastes and locates in vacuum chuck 21.

Through setting up vacuum chuck 21 and setting up the two-sided adhesive tape 22 in the sucking disc, at the vacuum chuck 21 projection face of laminating, behind the air in the discharge sucking disc, the projection face is hugged closely to the sucking disc, and two-sided adhesive tape 22 in the sucking disc can contact the projection face simultaneously, further does the bonding connection for adsorption mechanism 2 can adsorb under the dual mode simultaneous action through vacuum adsorption and bonding, firm absorption projection face.

The slide rail 15 and the rack 17 are arranged in a circular shape around the image projection plane.

The sliding rail 15 and the rack 17 are arranged in a circular ring shape around the projection plane, the projection plane is projected at the center of the circular ring, so that the movable seat 16 and the infrared emitter 14 can move along a fixed radius on the sliding rail 15 by taking the projection plane as a central point, and after the arrangement, even if an interactive participant needs to adjust the movable seat 16, the distance between the movable seat 16 and the infrared emitter 14 and the central point of the projection plane can be kept unchanged, and when a system establishes a coordinate system, the data of a set point is more convenient.

The signal emission module further comprises a connecting rod 23 and a mounting seat 24, the connecting rod 23 is arranged on the front face of the movable seat 16, two ends of the connecting rod 23 are respectively hinged and matched with the movable seat 16 and the mounting seat 24, and the infrared emitter 14 is in linkage and matching with the mounting seat 24.

The back of the movable seat 16 is fixed on the projection surface through the adsorption mechanism 2, then the movable seat 16 is provided with the mounting seat 24 in the front and is linked with the mounting seat 24 to form the connecting rod 23 between the mounting seat 24 and the movable seat 16, the movable seat 16 and the mounting seat 24 are respectively hinged through two ends of the connecting rod 23, when the interactive participant adsorbs the fixing device on the uneven projection surface, the relative position between the movable seat 16 and the mounting seat 24 can be adjusted through the hinged movement of the connecting rod 23, the infrared emitter 14 linked and matched with the mounting seat 24 can be relatively close to or far away from the projection surface, the emitted infrared rays can not be blocked by the uneven projection surface, and wrong light spots are generated.

The mounting base 24 is provided with a rotating shaft 241, the infrared emitter 14 is correspondingly provided with a rotating hole 141, and the infrared emitter 14 is sleeved on the rotating shaft 241 through the rotating hole 141 for rotating fit.

Through the rotation axis 241 on the mount pad 24 and the rotation hole 141 on the infrared emitter 14, the infrared emitter 14 can be operated in a turnover manner relative to the mount pad 24, and the interactive participants can conveniently adjust the infrared emission angle as required.

Claims

1. The utility model provides an interactive projection system of multi-media, includes imaging module, signal emission module, signal acquisition module and signal processing module, pass through signal connection between imaging module, signal acquisition module and the signal processing module, signal emission module includes infrared transmitter, its characterized in that: the signal emission module further comprises a slide rail and a moving seat, the slide rail comprises a front surface facing the interactive participants and a back surface facing the projection surface, the front surface is provided with a sliding rail, the back surface is provided with an adsorption mechanism adsorbing the projection surface, the infrared emitter is in linkage fit with the moving seat, and the moving seat is arranged in the sliding rail and is in sliding fit with the sliding rail;

the signal emission module still includes rack, gear, motor and programmable logic controller, the rack is fixed to be set up in the track that slides, the gear is rotatory to be set up on removing the seat and with rack toothing, the motor sets up drive gear rotation on removing the seat, programmable logic controller includes central processing unit, output and input, the output is connected with the motor, the input is connected with signal processing module, central processing unit control motor is rotatory.

2. The system of claim 1, wherein: the adsorption mechanism comprises a vacuum chuck and a double-sided adhesive tape, the vacuum chuck is arranged on the back of the mounting seat and faces the projection surface of the opening of the vacuum chuck, and the double-sided adhesive tape is attached to the inside of the vacuum chuck.

3. The system of claim 2, wherein the track and rack are disposed in a circular configuration around the image projection plane.

4. The system of claim 3, wherein the signal transmitter module further comprises a connecting rod and a mounting base, the connecting rod is disposed on the front surface of the movable base, two ends of the connecting rod are respectively hinged to the movable base and the mounting base, and the infrared emitter is in linkage fit with the mounting base.

5. The system of claim 4, wherein the mounting base has a rotating shaft, the IR emitter has a corresponding rotating hole, and the IR emitter is rotatably coupled to the rotating shaft through the rotating hole.