CN106412471B - Integrated demonstration device capable of wireless projection and method thereof - Google Patents
Integrated demonstration device capable of wireless projection and method thereof Download PDFInfo
- Publication number
- CN106412471B CN106412471B CN201610849799.0A CN201610849799A CN106412471B CN 106412471 B CN106412471 B CN 106412471B CN 201610849799 A CN201610849799 A CN 201610849799A CN 106412471 B CN106412471 B CN 106412471B
- Authority
- CN
- China
- Prior art keywords
- signal
- receiving
- cover
- transmitting
- intelligent terminal
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
-
- 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]
- H04N9/3179—Video signal processing therefor
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses integrated demonstration equipment capable of realizing wireless projection and a method thereof, wherein the equipment comprises a demonstration podium, a play display, a transmitter for transmitting wireless HDMI signals, a receiver for receiving the wireless HDMI signals and a fixed seat; the demonstration podium includes shooting pole, microphone and intelligent terminal, and the signal output part of shooting pole and microphone all is connected with intelligent terminal's signal input part electricity, and the transmitter is fixed on the demonstration podium, and the signal input part of transmitter is connected with intelligent terminal's signal output part electricity, and the signal output part of transmitter and the signal input part wireless connection of receiver, and the receiver is fixed on the fixing base, inserts in the corresponding female head on the broadcast display lateral wall after the public head of HDMI and USB that stretches out on the receiver pass the fixing base. The invention combines multimedia presentation with wireless HDMI signal transmission technology, reduces occupied area, and achieves the effects of complete functions and simple operation.
Description
Technical Field
The invention relates to the technical field of multimedia presentation, in particular to integrated presentation equipment capable of performing wireless projection.
Background
Traditional podium, simple structure can't realize multimedia teaching. Most of the existing multimedia podium has complex structure, large volume, incomplete space utilization and attractive appearance.
The patent document with the publication number of CN201120022178.8 discloses a multimedia intelligent platform, which comprises a box-type platform body and a computer host arranged in the platform body, wherein a liquid crystal display connected with the computer host, a central controller and a plane for placing a keyboard are arranged on the working table surface of the platform body, a drawing type exhibition stand is arranged on the side surface of the platform body, a top sealing plate is arranged above the working table surface of the platform body, and the top sealing plate is movably connected with the platform body through a slide way and can slide to open and close along the slide way. However, the platform of the invention has limited functions, and the display process needs to be connected in a wired mode, so that the platform cannot be widely popularized in the actual use process.
Disclosure of Invention
Aiming at the defects in the technology, the invention provides the integrated demonstration device capable of wireless projection, which has simple function and convenient application.
In order to achieve the above purpose, the integrated demonstration device capable of wireless projection comprises a demonstration platform, a play display, a transmitter for transmitting wireless HDMI signals, a receiver for receiving wireless HDMI signals and a fixed seat; the demonstration platform comprises a shooting rod, a microphone and an intelligent terminal, wherein a signal output end of the shooting rod and a signal output end of the microphone are electrically connected with a signal input end of the intelligent terminal, a transmitter is fixed on the demonstration platform, the signal input end of the transmitter is electrically connected with a signal output end of the intelligent terminal, the signal output end of the transmitter is wirelessly connected with a signal input end of a receiver, the receiver is fixed on a fixed seat, an HDMI male head and a USB male head extend out of the receiver, and the HDMI male head and the USB male head penetrate through the fixed seat and then are inserted into corresponding female heads on the side wall of a play display;
the transmitter comprises a front cover, a rear cover, a transmitting PCB and a transmitting pairing key, wherein a signal transmitting antenna is arranged on the transmitting PCB, the transmitting PCB is accommodated in a cavity formed by enclosing the front cover and the rear cover, and the transmitting pairing key extends out of the front cover; the receiver comprises a receiving upper cover, a receiving lower cover, a fixing seat, a receiving PCB and a receiving pairing key, wherein a signal receiving antenna is arranged on the receiving PCB, the receiving PCB is accommodated in a cavity formed by encircling the receiving upper cover and the receiving lower cover, the receiving pairing key extends out of the top of the receiving upper cover, the fixing seat is arranged on the outer surface of the receiving lower cover, and the fixing seat is fixedly connected with the signal receiving device through a screw; the signal output end of the signal transmitting antenna is in wireless connection with the signal receiving end of the signal receiving antenna;
after the transmitting pairing key on the transmitter and the receiving pairing key on the receiver are opened and mutual pairing is achieved, the intelligent terminal on the demonstration platform transmits the video information stored by the intelligent terminal and the video information shot by the shooting rod to the transmitting PCB of the transmitter, the signal transmitting antenna transmits the received signal to the signal receiving antenna board of the receiver in a wireless mode, the signal receiving antenna transmits the received signal to the receiving PCB, and the receiving PCB transmits the signal to the playing display for displaying through the HDMI male connector and the USB male connector.
The emitter further comprises a metal hose, a hose sleeve and a bottom cover, wherein an upper arc panel and a lower arc panel are respectively arranged at the upper end and the lower end of the front cover, the rear cover is in a groove shape with radian extending from the left side and the right side, one end of the metal hose is fixed in a cavity formed by encircling the front cover and the rear cover, the other end of the metal hose is led out from the lower arc panel and is fixed on the bottom cover, the hose sleeve is sleeved on the outer surface of the metal hose, one end of the hose sleeve is propped against the lower surface of the lower arc panel, and the other end of the hose sleeve is propped against the upper surface of the bottom cover; under the support of the metal hose, the plane direction of the front cover of the transmitter is changed, the transmitting direction of the signal transmitting antenna in the transmitter is changed, and the direction of the metal hose is continuously changed so as to change the butt joint angle between the signal transmitting antenna and the signal receiving antenna.
The receiver also comprises a rotating shaft, an upper cover at the rotating shaft end and a lower cover at the rotating shaft end, wherein the upper cover is in a groove shape with radians extending from the front side and the rear side, and the lower cover is in a ship shape with radians extending from the left end and the right end; the rotating shaft end upper cover and the rotating shaft end lower cover are both in a ship shape matched with the receiving lower cover, the rotating shaft end upper cover is fixedly connected with the rotating shaft end lower cover, through holes matched with the rotating shaft are formed in the two end faces of the rotating shaft end upper cover, screw holes matched with the fixing seat are formed in the bottom of the rotating shaft end lower cover, the rotating shaft penetrates through a cavity formed by enclosing the receiving upper cover and the receiving lower cover, and two ends of the rotating shaft are fixed in the through holes of the rotating shaft end upper cover; under the support of the rotating shaft, the receiving upper cover and the receiving lower cover are rotated, the receiving direction of the signal receiving antenna in the receiver is changed, and the direction of the signal receiving antenna is continuously adjusted so as to change the butt joint angle between the signal transmitting antenna and the signal receiving antenna.
The fixing seat comprises a long clamping plate, a short clamping plate, a nut cap, a threaded rod, a threaded sleeve and an inner sleeve, wherein an internal thread through hole matched with the threaded rod is formed in the long clamping plate, one end of the threaded rod is connected with the nut cap, the other end of the threaded rod penetrates through the internal thread through hole and the threaded sleeve and then is sleeved into the inner sleeve, the nut cap is in contact with the outer surface of the long clamping plate, and the outer surface of the inner sleeve and the inner surface of the short clamping plate are respectively propped against two sides of a play display.
The transmitter further comprises a first lampshade, the receiver further comprises a second lampshade, the first lampshade is clamped between the connecting positions of the front cover and the rear cover, and a plurality of first radiating holes are formed in the surface of the front cover; the second lampshade is fixed on the surface of the upper receiving cover, a plurality of second radiating holes are formed in the surface of the upper receiving cover, and a plurality of third radiating holes are formed in the surface of the lower receiving cover.
The demonstration podium still includes workstation, support frame and base, shoot pole and microphone and all stretch out from the workstation, intelligent terminal integration is in the workstation, the pen groove of holding marker pen and the charging groove that adaptation external mobile intelligent terminal charged have been seted up on the workstation, pen groove sets up in intelligent terminal one side, charge the inslot and seted up the public head that charges, just the charging groove sets up at workstation surface edge position, wireless microphone's holding groove, a plurality of HDMI socket, a plurality of USB socket, power socket and telescopic notebook bracket have still been seted up to the side of workstation, still be provided with power supply in the workstation, be fixed with a plurality of universal sliding wheels on the base.
The support frame comprises a lifting rod, a lifting control handle, a first lifting rod outer sleeve and a second lifting rod outer sleeve, wherein the first lifting rod outer sleeve is connected with the workbench, the second lifting rod outer sleeve is connected with the base, the lifting rod is arranged on the inner surfaces of the first lifting rod outer sleeve and the second lifting rod outer sleeve, and the lifting control handle is fixed on the first lifting rod outer sleeve.
The intelligent terminal is a touch screen type intelligent terminal or a keyboard type intelligent terminal; the touch screen type intelligent terminal comprises a control main board and a touch display screen, wherein the control main board is accommodated in the workbench, and the touch display screen is fixed on a display window on the surface of the workbench; the keyboard type intelligent terminal comprises a control main board, a liquid crystal display screen, a keyboard and a supporting clamping position, wherein the control main board is accommodated in the workbench, the supporting clamping position and the keyboard are fixed on the surface of the workbench, and the liquid crystal display screen is detachably connected with the supporting clamping position.
The transmitting PCB comprises a video signal input module, a transmitting signal encoding and decoding module, a transmitting modulation demodulation module and a signal transmitting antenna; the receiving PCB comprises a signal receiving antenna, a receiving modulation and demodulation module, a receiving signal encoding and decoding module and a video signal output module; the input end of the video signal input module is connected with the intelligent terminal on the demonstration platform, the output end of the video signal input module is connected with the input end of the transmitting signal coding and decoding module, the input end of the transmitting modulation and demodulation module is connected with the output end of the transmitting signal coding and decoding module, and the output end of the transmitting modulation and demodulation module is connected with the signal transmitting antenna; the output end of the signal receiving antenna is connected with the input end of the receiving modem module, the input end of the receiving signal encoding and decoding module is connected with the output end of the receiving modem module, the output end of the receiving signal encoding and decoding module is connected with the input end of the video signal output module, and the output end of the video signal output module is connected with the playing display; after the video signal is transmitted to the video signal input module from the intelligent terminal on the demonstration platform, the video signal is transmitted to the signal receiving antenna in a wireless connection mode from the signal transmitting antenna through the coding and decoding and modulation process, and after the signal on the signal receiving antenna is subjected to the modulation and demodulation and coding and decoding process, the signal is transmitted to the playing display screen for display through the video signal output module.
The invention also discloses a method for integrated demonstration of wireless projection, which comprises the following steps:
s1, wireless pairing: the transmitting pairing key on the transmitter and the receiving pairing key on the receiver are opened and mutual pairing of the transmitter and the receiver is realized;
s2, transmitting video signals: the intelligent terminal on the demonstration platform transmits the video information stored by the intelligent terminal and the video information shot by the shooting rod to the transmitting PCB of the transmitter;
s3, editing in a transmitting PCB: after the video signal is transmitted to the video signal input module, the video signal is transmitted to the signal receiving antenna from the signal transmitting antenna in a wireless connection mode through encoding and decoding and modulation and demodulation processes;
s4, transmitting and receiving wireless signals: the signal transmitting antenna transmits the received signal to a signal receiving antenna board of the receiver in a wireless mode;
s5, receiving editing in the PCB: after the signals on the signal receiving antenna are subjected to modulation and demodulation and encoding and decoding processes, the signals are transmitted to a video signal output module;
s6, displaying video signals: the received video signal output module transmits signals to the playing display for display through the HDMI male head and the USB male head.
The beneficial effects of the invention are as follows:
compared with the prior art, the integrated demonstration equipment capable of wireless projection records the demonstration process through the shooting rod and transmits the demonstration process to the intelligent terminal, the intelligent terminal transmits recorded video information and video information of the intelligent terminal to the transmitter, the transmitter transmits the information to the receiver in a wireless transmission mode, and the receiver transmits the information to the playing display for display through the USB male head and the HDMI male head. The invention combines the multimedia demonstration with the wireless HDMI signal transmission technology, demonstrates the demonstration information of the demonstrator in a simple way, reduces the occupied area, and achieves the effects of complete functions and simple operation. The transmitter and the receiver are independent, the transmitter collects HDMI signals in HDMI information recording equipment and transmits the HDMI signals through a signal transmitting antenna on a transmitting PCB, and the receiver receives the HDMI signals through a signal receiving antenna on the PCB and then transmits the HDMI signals to a playing display for displaying. The signal transmitting antenna is in wireless connection with the signal receiving antenna. The transmitter and the receiver are independent of other devices, so that the transmitter and the receiver are convenient to use in a wider range. Meanwhile, wireless transmission is carried out through butt joint of the signal transmitting antenna and the signal receiving antenna, so that HDMI signal transmission is more efficient.
Drawings
FIG. 1 is a schematic diagram of a wireless projection integrated demonstration device;
FIG. 2 is an exploded view of a transmitter of the wireless projectable integrated presentation device of the present invention;
FIG. 3 is an exploded view of a receiver of an integrated presentation device of the present invention capable of wireless projection
FIG. 4 is a block diagram of a keyboard-type demonstration platform in the integrated demonstration device capable of wireless projection;
FIG. 5 is a block diagram of a touch screen type presentation podium in the wireless projection integrated presentation device of the present invention;
FIG. 6 is an exploded view of a holder in a wireless projectable integrated presentation device of the present invention;
FIG. 7 is a schematic diagram of the signal transmission of the transmitter of the wireless projectable integrated presentation device of the present invention;
FIG. 8 is a schematic diagram of signal reception by a receiver of the wireless projectable integrated presentation device of the present invention;
fig. 9 is a flow chart of an integrated demonstration method capable of wireless projection.
The main reference numerals are as follows:
1. demonstration platform 2 and emitter
3. Receiver 4 and play display
5. Fixed seat 6 and HDMI male
7. USB male connector
11. Shooting rod 12, microphone
13. Intelligent terminal 14, workbench
15. Support 16, base
17. Notebook bracket 18 and accommodating groove
19. Power socket 21, front cover
22. Rear cover 23 and transmitting PCB
24. First lampshade 25, transmitting pairing key
26. Metal hose 27, hose cover
28. Bottom cover 211, first heat dissipation hole
231. Signal transmitting antenna 31, receiving upper cover
32. Receiving lower cover 33 and receiving PCB
34. Second lamp shade 35, receiving mating key
36. Shaft end upper cover 37 and shaft end lower cover
38. Rotating shaft 311 and second radiating hole
321. Third radiating hole 331 and signal receiving antenna
51. Long holding plate 52, short holding plate
53. Nut cap 54, threaded rod
55. Screw sleeve 56, inner sleeve
131A, touch display screen 13B and keyboard type intelligent terminal
131B, a liquid crystal display 132B and a keyboard
133B, supporting the clamping position.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-3, the integrated presentation device capable of wireless projection of the present invention comprises a presentation platform 1, a play display 4, a transmitter 2 for transmitting wireless HDMI signals, a receiver 3 for receiving wireless HDMI signals, and a fixing base 5; the demonstration platform 1 comprises a shooting rod 11, a microphone 12 and an intelligent terminal 13, wherein a signal output end of the shooting rod 11 and a signal output end of the microphone 12 are electrically connected with a signal input end of the intelligent terminal 13, the transmitter 2 is fixed on the demonstration platform 1, a signal input end of the transmitter 2 is electrically connected with a signal output end of the intelligent terminal 13, a signal output end of the transmitter 2 is wirelessly connected with a signal input end of the receiver 3, the receiver 3 is fixed on the fixed seat 5, the receiver 3 extends out of the HDMI male head 6 and the USB male head 7, and the HDMI male head 6 and the USB male head 7 penetrate through the fixed seat 5 and then are inserted into corresponding female heads on the side wall of the play display 4;
the emitter 2 comprises a front cover 21, a rear cover 22, an emitting PCB 23 and an emitting pairing key 25, a signal emitting antenna 231 is arranged on the emitting PCB 23, the emitting PCB 23 is accommodated in a cavity formed by enclosing the front cover 21 and the rear cover 22, and the emitting pairing key 25 extends out of the front cover 21; the receiver 3 comprises a receiving upper cover 31, a receiving lower cover 32, a fixing seat 5, a receiving PCB 33 and a receiving pairing key 35, wherein a signal receiving antenna 331 is arranged on the receiving PCB 33, the receiving PCB 33 is accommodated in a cavity formed by enclosing the receiving upper cover 31 and the receiving lower cover 32, the receiving pairing key 35 extends out of the top of the receiving upper cover 31, the fixing seat 5 is arranged on the outer surface of the receiving lower cover 32, and the fixing seat 5 is fixedly connected with the signal receiving device through a screw; the signal output end of the signal transmitting antenna 231 is in wireless connection with the signal receiving end of the signal receiving antenna 331;
after the transmitting pairing key 25 on the transmitter 2 and the receiving pairing key 35 on the receiver 3 are both opened and pairing is achieved, the intelligent terminal 13 on the demonstration platform 1 transmits the video information stored by itself and the video information shot by the shooting rod 11 to the transmitting PCB 23 of the transmitter 2, the signal transmitting antenna 231 transmits the received signal to the signal receiving antenna 331 of the receiver 3 in a wireless mode, the signal receiving antenna 331 receives the signal and then transmits the signal to the receiving PCB 33, and the receiving PCB 33 transmits the signal to the playing display 4 for displaying through the HDMI male 6 and the USB male 7.
Compared with the prior art, the integrated demonstration device capable of wireless projection records the demonstration process through the shooting rod 11 and transmits the demonstration process to the intelligent terminal 13, the intelligent terminal 13 transmits the recorded video information and the video information of the intelligent terminal to the transmitter 2, the transmitter 2 transmits the information to the receiver 3 in a wireless transmission mode, and the receiver 3 transmits the information to the display 4 for display through the USB male head 6 and the HDMI male head 7. The invention combines the multimedia demonstration with the wireless HDMI signal transmission technology, demonstrates the demonstration information of the demonstrator in a simple way, reduces the occupied area, and achieves the effects of complete functions and simple operation. By separating the transmitter 2 from the receiver 3, the transmitter 2 collects HDMI signals in the HDMI information recording device and transmits the HDMI signals out through the signal transmitting antenna 231 on the transmitting PCB board 23, and the signal receiving antenna 331 on the receiver receiving PCB board 33 receives the HDMI signals and then transmits the HDMI signals to the play display 4 for display. The signal transmitting antenna 2 is wirelessly connected to the signal receiving antenna 3. The transmitter 2 and the receiver 3 are independent from other devices, so that the use range of the transmitter 2 and the receiver 3 is wider. Meanwhile, the signal transmitting antenna 231 and the signal receiving antenna 331 are in butt joint for wireless transmission, so that HDMI signal transmission is more efficient.
In this embodiment, the emitter 2 further includes a metal hose 26, a hose cover 27 and a bottom cover 28, the upper and lower ends of the front cover 21 are respectively provided with an upper arc panel and a lower arc panel, the rear cover 22 is in a shape of a groove extending from the radian of the left and right sides, one end of the metal hose 26 is fixed in a cavity formed by enclosing the front cover 21 and the rear cover 22, the other end of the metal hose 26 is led out from the lower arc panel and fixed on the bottom cover 28, the hose cover 27 is sleeved on the outer surface of the metal hose 26, one end of the hose cover 27 is propped against the lower surface of the lower arc panel, and the other end of the hose cover 27 is propped against the upper surface of the bottom cover 28; under the support of the metal hose 26, the plane direction of the front cover 21 of the emitter 2 is changed, the emitting direction of the signal emitting antenna 231 in the emitter 2 is changed, and the direction of the metal hose 26 is changed continuously, so that the abutting angle between the signal emitting antenna 231 and the signal receiving antenna 331 is changed.
In this embodiment, the receiver 3 further includes a rotating shaft 38, an upper cover 36 at the rotating shaft end, and a lower cover 37 at the rotating shaft end, the upper receiving cover 31 has a groove shape extending in the front-rear two-edge radian, and the lower receiving cover 32 has a hull shape extending in the left-right two-edge radian; the upper cover 36 of the rotating shaft end and the lower cover 37 of the rotating shaft end are respectively in a ship shape matched with the lower cover 32, the upper cover 36 of the rotating shaft end is fixedly connected with the lower cover 37 of the rotating shaft end, through holes matched with the rotating shaft 38 are formed in the two end faces of the upper cover 36 of the rotating shaft end, screw holes matched with the fixing seat 5 are formed in the bottom of the lower cover 37 of the rotating shaft end, the rotating shaft 38 penetrates through a cavity formed by the upper cover 31 and the lower cover 32, and the two ends of the rotating shaft 38 are fixed in the through holes of the upper cover 36 of the rotating shaft end; the receiving upper cover 31 and the receiving lower cover 32 are rotated under the support of the rotating shaft 38, so that the receiving direction of the signal receiving antenna 331 in the receiver 3 is changed, and the direction of the signal receiving antenna 331 is continuously adjusted to change the abutting angle between the signal transmitting antenna 231 and the signal receiving antenna 331.
Referring to fig. 6, the fixing base 5 includes a long clamping plate 51, a short clamping plate 52, a nut cap 53, a threaded rod 54, a threaded sleeve 55 and an inner sleeve 56, wherein an internal threaded through hole matched with the threaded rod 54 is formed in the long clamping plate 51, one end of the threaded rod 54 is connected with the nut cap 53, the other end of the threaded rod 54 passes through the internal threaded through hole and the threaded sleeve 55 and then is sleeved into the inner sleeve 56, the nut cap 53 is contacted with the outer surface of the long clamping plate 51, and the outer surface of the inner sleeve 56 and the inner surface of the short clamping plate 52 are respectively abutted against two sides of the play display 4.
In this embodiment, the transmitter 2 further includes a first lampshade 24, the receiver 3 further includes a second lampshade 34, the first lampshade 24 is clamped between the connection positions of the front cover 21 and the rear cover 22, and a plurality of first heat dissipation holes 211 are formed in the surface of the front cover 21; the second lampshade 34 is fixed on the surface of the upper receiving cover 31, a plurality of second heat dissipation holes 311 are formed in the surface of the upper receiving cover 31, and a plurality of third heat dissipation holes 321 are formed in the surface of the lower receiving cover 32.
Referring further to fig. 4-5, the demonstration platform 1 further includes a workbench 14, a support 15 and a base 16, the shooting rod 11 and the microphone 12 extend from the workbench 14, the intelligent terminal 13 is integrated in the workbench 14, a pen slot for accommodating a marker pen and a charging slot for adapting to charging of the external mobile intelligent terminal 13 are formed in the workbench 14, the pen slot is formed in one side of the intelligent terminal 13, a charging male head is formed in the charging slot, the charging slot is formed in the edge position of the surface of the workbench 14, a containing slot 18 for the wireless microphone 12, a plurality of HDMI sockets, a plurality of USB sockets, a power socket 19 and a telescopic notebook bracket 17 are further formed in the workbench 14, and a power supply is further arranged in the workbench 14, and a plurality of universal sliding wheels are fixed on the base 16.
Referring further to fig. 7-8, the transmitting PCB 23 includes a video signal input module, a transmitting signal codec module, a transmitting modem module, and a signal transmitting antenna 231; the receiving PCB 33 includes a signal receiving antenna 331, a receiving modem module, a receiving signal encoding and decoding module, and a video signal output module; the input end of the video signal input module is connected with the intelligent terminal 13 on the demonstration platform 1, the output end of the video signal input module is connected with the input end of the transmitting signal coding and decoding module, the input end of the transmitting modulation and demodulation module is connected with the output end of the transmitting signal coding and decoding module, and the output end of the transmitting modulation and demodulation module is connected with the signal transmitting antenna 231; the output end of the signal receiving antenna 331 is connected with the input end of the receiving modem module, the input end of the receiving signal encoding and decoding module is connected with the output end of the receiving modem module, the output end of the receiving signal encoding and decoding module is connected with the input end of the video signal output module, and the output end of the video signal output module is connected with the playing display 4; after being transmitted to the video signal input module from the intelligent terminal 13 on the demonstration platform 1, the video signal is transmitted to the signal receiving antenna 331 in a wireless connection mode from the signal transmitting antenna 231 through the coding and decoding and modulation and adjustment processes, and after the signal on the signal receiving antenna 331 is subjected to the modulation and demodulation and coding and decoding processes, the signal is transmitted to the playing display screen for displaying through the video signal output module.
With further reference to fig. 9, the invention also discloses a method for integrated demonstration capable of wireless projection, which comprises the following steps:
s1, wireless pairing: the transmit pairing key 25 on the transmitter 2 and the receive pairing key 35 on the receiver 3 are both open and enable mutual pairing of the transmitter 2 and the receiver 3;
s2, transmitting video signals: the intelligent terminal 13 on the demonstration platform 1 transmits the video information stored by the intelligent terminal and the video information shot by the shooting rod 11 to the transmitting PCB 23 of the transmitter 2;
s3, editing in the transmitting PCB 23: after the video signal is transmitted to the video signal input module, the video signal is transmitted from the signal transmitting antenna 231 to the signal receiving antenna 331 in a wireless connection manner through the processes of encoding and decoding and modulation and demodulation;
s4, transmitting and receiving wireless signals: the signal transmitting antenna 231 wirelessly transmits the reception signal to the signal receiving antenna 331 of the receiver 3;
s5, receiving editing in the PCB 33: after the signal on the signal receiving antenna 331 is subjected to a modulation and demodulation process and a coding and decoding process, the signal is transmitted to a video signal output module;
s6, displaying video signals: the received video signal output module transmits signals to the playing display 4 for display through the HDMI male 6 and the USB male 7.
Fig. 4 is a keyboard-type intelligent terminal 13B, where the keyboard-type intelligent terminal 13B includes a control main board, a liquid crystal display 131B, a keyboard 132B, and a supporting clamp 133B, the control main board is accommodated in the workbench 14, the supporting clamp 133B and the keyboard 132B are fixed on the surface of the workbench 14, and the liquid crystal display 131B is detachably connected with the fixing base 5.
Fig. 5 is a touch screen type intelligent terminal 13, where the touch screen type intelligent terminal 13 includes a control main board and a touch display screen 131A, the control main board is accommodated in the workbench 14, and the touch display screen is fixed on a display window on the surface of the workbench 14.
The above disclosure is only a few specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be thought by those skilled in the art should fall within the protection scope of the present invention.
Claims (9)
1. The integrated demonstration device capable of wireless projection is characterized by comprising a demonstration podium, a play display, a transmitter for transmitting wireless HDMI signals, a receiver for receiving wireless HDMI signals and a fixed seat; the demonstration platform comprises a shooting rod, a microphone and an intelligent terminal, wherein a signal output end of the shooting rod and a signal output end of the microphone are electrically connected with a signal input end of the intelligent terminal, a transmitter is fixed on the demonstration platform, the signal input end of the transmitter is electrically connected with a signal output end of the intelligent terminal, the signal output end of the transmitter is wirelessly connected with a signal input end of a receiver, the receiver is fixed on a fixed seat, an HDMI male head and a USB male head extend out of the receiver, and the HDMI male head and the USB male head penetrate through the fixed seat and then are inserted into corresponding female heads on the side wall of a play display;
the transmitter comprises a front cover, a rear cover, a transmitting PCB and a transmitting pairing key, wherein a signal transmitting antenna is arranged on the transmitting PCB, the transmitting PCB is accommodated in a cavity formed by enclosing the front cover and the rear cover, and the transmitting pairing key extends out of the front cover; the receiver comprises a receiving upper cover, a receiving lower cover, a receiving PCB and a receiving pairing key, wherein a signal receiving antenna is arranged on the receiving PCB, the receiving PCB is accommodated in a cavity formed by enclosing the receiving upper cover and the receiving lower cover, the receiving pairing key extends out of the top of the receiving upper cover, the fixing seat is arranged on the outer surface of the receiving lower cover, and the fixing seat is fixedly connected with the signal receiving device through a screw; the signal output end of the signal transmitting antenna is in wireless connection with the signal receiving end of the signal receiving antenna;
after the transmitting pairing key on the transmitter and the receiving pairing key on the receiver are opened and mutual pairing is achieved, the intelligent terminal on the demonstration platform transmits the video information stored by the intelligent terminal and the video information shot by the shooting rod to the transmitting PCB of the transmitter, the signal transmitting antenna transmits the received signal to the signal receiving antenna of the receiver in a wireless mode, the signal receiving antenna transmits the received signal to the receiving PCB, and the receiving PCB transmits the signal to the playing display for displaying through the HDMI male connector and the USB male connector.
2. The integrated demonstration device capable of wirelessly projecting according to claim 1, wherein the transmitter further comprises a metal hose, a hose sleeve and a bottom cover, an upper arc panel and a lower arc panel are respectively arranged at the upper end and the lower end of the front cover, the rear cover is in a groove shape with radian extending from the left side and the right side, one end of the metal hose is fixed in a cavity formed by enclosing the front cover and the rear cover, the other end of the metal hose is led out from the lower arc panel and is fixed on the bottom cover, the hose sleeve is sleeved on the outer surface of the metal hose, one end of the hose sleeve is propped against the lower surface of the lower arc panel, and the other end of the hose sleeve is propped against the upper surface of the bottom cover; under the support of the metal hose, the plane direction of the front cover of the transmitter is changed, the transmitting direction of the signal transmitting antenna in the transmitter is changed, and the direction of the metal hose is continuously changed so as to change the butt joint angle between the signal transmitting antenna and the signal receiving antenna.
3. The integrated presentation device of claim 1, wherein the receiver further comprises a rotating shaft, an upper cover at the end of the rotating shaft, and a lower cover at the end of the rotating shaft, the upper cover is in a shape of a groove extending in radian directions from the front and the rear, and the lower cover is in a shape of a ship body extending in radian directions from the left and the right; the rotating shaft end upper cover and the rotating shaft end lower cover are both in a ship shape matched with the receiving lower cover, the rotating shaft end upper cover is fixedly connected with the rotating shaft end lower cover, through holes matched with the rotating shaft are formed in the two end faces of the rotating shaft end upper cover, screw holes matched with the fixing seat are formed in the bottom of the rotating shaft end lower cover, the rotating shaft penetrates through a cavity formed by enclosing the receiving upper cover and the receiving lower cover, and two ends of the rotating shaft are fixed in the through holes of the rotating shaft end upper cover; under the support of the rotating shaft, the receiving upper cover and the receiving lower cover are rotated, the receiving direction of the signal receiving antenna in the receiver is changed, and the direction of the signal receiving antenna is continuously adjusted so as to change the butt joint angle between the signal transmitting antenna and the signal receiving antenna.
4. The integrated demonstration device capable of wireless projection according to claim 1, wherein the fixing base comprises a long clamping plate, a short clamping plate, a nut cap, a threaded rod, a threaded sleeve and an inner sleeve, an internal threaded through hole matched with the threaded rod is formed in the long clamping plate, one end of the threaded rod is connected with the nut cap, the other end of the threaded rod penetrates through the internal threaded through hole and the threaded sleeve and then is sleeved into the inner sleeve, the nut cap is in contact with the outer surface of the long clamping plate, and the outer surface of the inner sleeve and the inner surface of the short clamping plate are respectively propped against two sides of the play display.
5. The integrated presentation device of claim 1, wherein the transmitter further comprises a first lamp cover, the receiver further comprises a second lamp cover, the first lamp cover is clamped between the connection parts of the front cover and the rear cover, and a plurality of first heat dissipation holes are formed in the surface of the front cover; the second lampshade is fixed on the surface of the upper receiving cover, a plurality of second radiating holes are formed in the surface of the upper receiving cover, and a plurality of third radiating holes are formed in the surface of the lower receiving cover.
6. The integrated demonstration device capable of wireless projection according to claim 1, wherein the demonstration platform further comprises a workbench, a support frame and a base, the shooting rod and the microphone extend out of the workbench, the intelligent terminal is integrated in the workbench, a pen slot for accommodating a marker pen and a charging slot for adapting to charging of an external mobile intelligent terminal are formed in the workbench, the pen slot is formed in one side of the intelligent terminal, a charging male head is formed in the charging slot, the charging slot is formed in the edge position of the surface of the workbench, a containing slot for a wireless microphone, a plurality of HDMI (high-definition multimedia interface) sockets, a plurality of USB sockets, a power socket and a telescopic notebook bracket are further formed in the side face of the workbench, a power supply is further arranged in the workbench, and a plurality of universal sliding wheels are fixed on the base.
7. The integrated presentation device of claim 6, wherein the support frame comprises a lifter, a lift control handle, a first lifter sleeve and a second lifter sleeve, the first lifter sleeve is connected to the table, the second lifter sleeve is connected to the base, the lifter is disposed on an inner surface of the first lifter sleeve and an inner surface of the second lifter sleeve, and the lift control handle is fixed to the first lifter sleeve.
8. The integrated presentation device of claim 1, wherein the intelligent terminal is a touch screen type intelligent terminal or a keyboard type intelligent terminal; the touch screen type intelligent terminal comprises a control main board and a touch display screen, wherein the control main board is accommodated in the workbench, and the touch display screen is fixed on a display window on the surface of the workbench; the keyboard type intelligent terminal comprises a control main board, a liquid crystal display screen, a keyboard and a supporting clamping position, wherein the control main board is accommodated in the workbench, the supporting clamping position and the keyboard are fixed on the surface of the workbench, and the liquid crystal display screen is detachably connected with the supporting clamping position.
9. The integrated presentation device of claim 1, wherein the transmitting PCB includes a video signal input module, a transmitting signal codec module, a transmitting modem module, and a signal transmitting antenna; the receiving PCB comprises a signal receiving antenna, a receiving modulation and demodulation module, a receiving signal encoding and decoding module and a video signal output module; the input end of the video signal input module is connected with the intelligent terminal on the demonstration platform, the output end of the video signal input module is connected with the input end of the transmitting signal coding and decoding module, the input end of the transmitting modulation and demodulation module is connected with the output end of the transmitting signal coding and decoding module, and the output end of the transmitting modulation and demodulation module is connected with the signal transmitting antenna; the output end of the signal receiving antenna is connected with the input end of the receiving modem module, the input end of the receiving signal encoding and decoding module is connected with the output end of the receiving modem module, the output end of the receiving signal encoding and decoding module is connected with the input end of the video signal output module, and the output end of the video signal output module is connected with the playing display; after the video signal is transmitted to the video signal input module from the intelligent terminal on the demonstration platform, the video signal is transmitted to the signal receiving antenna in a wireless connection mode from the signal transmitting antenna through the coding and decoding and modulation process, and after the signal on the signal receiving antenna is subjected to the modulation and demodulation and coding and decoding process, the signal is transmitted to the playing display screen for display through the video signal output module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610849799.0A CN106412471B (en) | 2016-09-26 | 2016-09-26 | Integrated demonstration device capable of wireless projection and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610849799.0A CN106412471B (en) | 2016-09-26 | 2016-09-26 | Integrated demonstration device capable of wireless projection and method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106412471A CN106412471A (en) | 2017-02-15 |
| CN106412471B true CN106412471B (en) | 2023-09-22 |
Family
ID=57996641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610849799.0A Active CN106412471B (en) | 2016-09-26 | 2016-09-26 | Integrated demonstration device capable of wireless projection and method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106412471B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109510635A (en) * | 2017-09-15 | 2019-03-22 | 深圳科润视讯技术有限公司 | A kind of wireless receiver |
| CN107945478A (en) * | 2017-11-17 | 2018-04-20 | 国网山东省电力公司烟台供电公司 | A kind of wireless transmitter for being used for transmission table code information |
| CN110233634B (en) * | 2019-07-12 | 2024-03-22 | 深圳科润视讯技术有限公司 | HDMI wireless receiver |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799997A (en) * | 2009-11-05 | 2010-08-11 | 刘仁俊 | Wireless teaching seehear and application thereof |
| CN203759899U (en) * | 2013-12-31 | 2014-08-06 | 广州城市职业学院 | Wireless teaching system |
| CN204480501U (en) * | 2015-02-13 | 2015-07-15 | 河北大学 | The micro-class producing device of a kind of portable College English |
| CN205564065U (en) * | 2016-01-12 | 2016-09-07 | 湖北民族学院 | Chinese teaching system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013073210A (en) * | 2011-09-29 | 2013-04-22 | Elmo Co Ltd | Material presentation system |
| US20130266923A1 (en) * | 2012-04-10 | 2013-10-10 | Kuo-Yuan Lee | Interactive Multimedia Instructional System and Device |
-
2016
- 2016-09-26 CN CN201610849799.0A patent/CN106412471B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101799997A (en) * | 2009-11-05 | 2010-08-11 | 刘仁俊 | Wireless teaching seehear and application thereof |
| CN203759899U (en) * | 2013-12-31 | 2014-08-06 | 广州城市职业学院 | Wireless teaching system |
| CN204480501U (en) * | 2015-02-13 | 2015-07-15 | 河北大学 | The micro-class producing device of a kind of portable College English |
| CN205564065U (en) * | 2016-01-12 | 2016-09-07 | 湖北民族学院 | Chinese teaching system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106412471A (en) | 2017-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106412471B (en) | Integrated demonstration device capable of wireless projection and method thereof | |
| US9888598B2 (en) | Connector apparatus and display apparatus having the same | |
| CN106233546A (en) | Docking station with revolvable multi-plug connector | |
| CN107016903A (en) | It is a kind of that there is USB flash disk, recording pen, the wireless device of Pen for turning page function | |
| US10390119B2 (en) | Portable speaker device and method for using same | |
| CN204272250U (en) | A kind of camera carrying plug and socket | |
| CN206055478U (en) | A kind of intelligent desk lamp | |
| CN203931225U (en) | A kind of exhibition booth | |
| CN206908691U (en) | Camera device | |
| CN214955984U (en) | Outdoor portable removal song requesting machine | |
| CN206060321U (en) | A kind of magnetic-type wireless charging lazyboot support | |
| CN204946384U (en) | The projector apparatus that a kind of ideological and politics teaching uses | |
| CN208655994U (en) | A kind of support posture cellular phone data line | |
| US20120298826A1 (en) | Smartphone holder | |
| CN206907270U (en) | It is a kind of that there is USB flash disk, recording pen, the wireless device of Pen for turning page function | |
| CN205155671U (en) | Intelligent desk lamp that can make a video recording | |
| CN206021653U (en) | A kind of scalable wireless laser pen | |
| CN103677139A (en) | Energy-saving folding display screen | |
| CN210266909U (en) | Light supplement lamp | |
| CN203012637U (en) | Tablet personal computer base | |
| CN217835198U (en) | Intelligent blackboard capable of automatically adjusting brightness for intelligent classroom | |
| CN203800976U (en) | Mobile terminal | |
| KR102682121B1 (en) | Led lighting device for shooting | |
| CN217428222U (en) | Indent formula camera and wisdom blackboard | |
| CN215679206U (en) | Tablet computer book clip with double cameras |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |