CN105744350A - Conference room Internet-of-Things terminal and conference room Internet-of-Things system - Google Patents
Conference room Internet-of-Things terminal and conference room Internet-of-Things system Download PDFInfo
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- CN105744350A CN105744350A CN201510662623.XA CN201510662623A CN105744350A CN 105744350 A CN105744350 A CN 105744350A CN 201510662623 A CN201510662623 A CN 201510662623A CN 105744350 A CN105744350 A CN 105744350A
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- 230000005236 sound signal Effects 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 4
- 230000006870 function Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 11
- 230000006872 improvement Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a conference room Internet-of-Things terminal. The conference room Internet-of-Things terminal includes a processor, a first memory used for caching data, a USB-HUB extension interface module used for providing external interfaces, a first wireless signal module used for wirelessly connecting external terminal equipment, a second wireless signal module used for connecting an external wireless network, a single-chip microcomputer, a second memory and a clock oscillator which are connected with the single-chip microcomputer, an HDMI interface used for connecting an external display device, and a power source module connected with the processor, single-chip microcomputer, the first wireless signal module and the second wireless signal module. The conference room Internet-of-Things terminal of the invention can receive Wi-Fi signals of computers or handheld terminals, and can be connected to a remote large-sized display or a projector, and can realize a mirror image function from a source display screen to a destination display screen. A conference room Internet-of-Things system provided by the invention has functions such as playing predetermined multimedia information and transmitting information such as advertisements.
Description
Technical field
The present invention relates to a kind of receive server information and the most also can be realized the equipment of local image mirrors function by transmission of wireless signals to be shown to locally displayed equipment simultaneously, particularly relate to a kind of meeting room internet-of-things terminal, further relate to a kind of meeting room Internet of things system.
Background technology
In the work of reality and life, the real-time Transmission of video flowing is a difficult problem.As in meeting room, if it is desired to the picture on mobile phone or video are sent to projector, generally require and the content on mobile phone is first copied on computer, then computer is connected to projector by VGA line, then realize sharing of picture, video and sound；And for example sharing the picture on mobile phone together with household, the most individuals gather together, stare at mobile phone screen and see, and cannot Real-Time Sharing on TV or other display device together.
To this end, applicant designs a kind of equipment, this equipment is for receiving the WIFI signal of computer or handheld terminal, and is connected to far-end large-sized monitor or projector, it is achieved from source display screen to the image feature of destination display screen.This functional realiey can be by computer or the picture of handheld terminal, video and sound Real-Time Sharing to far-end large-sized monitor or projector by shirtsleeve operation, similarly being that picture has been flown to far-end large-sized monitor or projector by computer or handheld terminal, we are named to it and are meeting room internet-of-things terminal.
Meanwhile, the meeting room of enterprise is the place of a meeting, is the distribution centre of a communication for information.Here, flow of personnel is frequent, and frequently, crowd has decision-making capability in information exchange, so being a good information transmission place.
Summary of the invention
The present invention provides a kind of meeting room internet-of-things terminal, for receiving the WIFI signal of computer or handheld terminal, and is connected to far-end large-sized monitor or projector, it is achieved from source display screen to the image feature of destination display screen；The most also it is provided that the predetermined multimedia messages of broadcasting, the function of the information such as transmission advertisement.
Meeting room internet-of-things terminal of the present invention, including:
Processor；
It is connected with described processor, for data cached first memory；
It is connected with described processor, for providing the USB-HUB expansion connection module of external interface；
It is connected with described processor, for the first wireless signal module of wireless connections exterior terminal equipment；
It is connected with described USB-HUB expansion connection module, for connecting the second wireless signal module of external wireless network；
The single-chip microcomputer being connected with described processor；
The second memory being connected with described single-chip microcomputer and clock crystal oscillator；
It is connected with described processor, for connecting the HDMI of exterior display device；
The power module being connected with described processor, single-chip microcomputer, the first wireless signal module and the second wireless signal module.
As the improvement of such scheme, described meeting room internet-of-things terminal also includes being connected with described processor, for transmitting the Audio interface of audio signal.
As the improvement of such scheme, described meeting room internet-of-things terminal also includes the VGA input interface being connected with described processor.
As the improvement of such scheme, described meeting room internet-of-things terminal also includes the LAN interface being connected with described processor.
As the improvement of such scheme, described meeting room internet-of-things terminal also includes being connected with described processor, for sending the bluetooth module of audio signal.
The present invention also provides for a kind of meeting room Internet of things system, including:
At least one meeting room Internet of Things server；
The as above many group meeting room internet-of-things terminals being connected by Internet network with described meeting room Internet of Things server；
Described meeting room internet-of-things terminal connects the local multimedia equipment of its place meeting room.
Compared with prior art, meeting room internet-of-things terminal disclosed by the invention can receive the WIFI signal of computer or handheld terminal, and is connected to far-end large-sized monitor or projector, it is achieved from source display screen to the image feature of destination display screen.Meeting room Internet of things system disclosed in this invention can be provided that the predetermined multimedia messages of broadcasting, the function of the information such as transmission advertisement.
Accompanying drawing explanation
Fig. 1 is that the structural diagrams of one specific embodiment of meeting room internet-of-things terminal of the present invention is intended to；
Fig. 2 is the structural representation of meeting room Internet of things system of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1, meeting room internet-of-things terminal of the present invention, including:
Processor 1；
It is connected with described processor 1, for data cached first memory 2；
It is connected with described processor 1, for providing the USB-HUB expansion connection module 3 of external interface；
It is connected with described processor 1, for the first wireless signal module 4 of wireless connections exterior terminal equipment；
It is connected with described USB-HUB expansion connection module 3, for connecting the second wireless signal module 5 of external wireless network；
With described processor 1 single-chip microcomputer 8 even mutually；
The second memory 12 being connected with described single-chip microcomputer 8 and clock crystal oscillator 13；
It is connected with described processor 1, for connecting the HDMI 6 of exterior display device；
The power module 7 being connected with described processor 1, single-chip microcomputer the 8, first wireless signal module 4 and the second wireless signal module 5.
As one embodiment of the present of invention, described terminal also includes being connected with described processor 1, for transmitting the Audio interface 9 of audio signal.Audio interface 9 is for being connected to the audio interface of outer audio equipment or display device, to realize the transmission of audio signal.
As one embodiment of the present of invention, described meeting room internet-of-things terminal also includes the VGA input interface 10 being connected with described processor 1.VGA input interface 10 is for external VGA input signal, and the VGA signal format of input is converted to HDMI form, is then exported by HDMI 6, thus realizes the VGA conversion to HDMI.
As one embodiment of the present of invention, described meeting room internet-of-things terminal also includes the LAN interface 11 being connected with described processor 1.Described LAN interface 11 is for wired Internet network that is connected to, and connects described first wireless signal module 4 and the second wireless signal module 5 by a bridging functionality module, thus realizes data interaction.Described first wireless signal module 4 is used for connecting the terminal unit such as computer, mobile phone；Second wireless signal 5 is used for connecting external wireless network.Wherein said first wireless signal module 4 is for being operated in AP/P2P pattern, and when there being android system to attempt to be connected with terminal by Miracast agreement, the first wireless signal module 4 is operated in P2P pattern；When outside Windows/IOS equipment is connected with terminal, the first wireless signal module 4 is operated in ap mode to transmit data.
As one embodiment of the present of invention, described meeting room internet-of-things terminal also includes being connected with described processor, for sending the bluetooth module of audio signal.Bluetooth module may be connected to external subwoofer or other audio frequency apparatus.
When being connected with terminal when there being terminal unit to attempt, terminal first determines whether to connect the type of terminal.Terminal supports the connection terminal of three types at present.One be operating system be the terminal of Windows system, mainly notebook and desktop computer；Two is the handheld terminal being provided with android system, including mobile phone and Pad；Three is the handheld terminal installing iOS, including iPhone and iPad.
When terminal is Windows system, the data type received is judged by Internet of Things conference room terminal.The data type received has four kinds, respectively mouse message, static images and audio-frequency information, dynamic video stream, player status.For the mouse message obtained, after directly carrying out Transmission Control Protocol parsing, according to mouse code, reduction mouse shape, and put into video memory；For the static images obtained and voice data, it is also desirable to directly carry out Transmission Control Protocol parsing, then carry out audio frequency and video separation.Video signal sends into video memory, and audio signal sends into audio driver；For the dynamic video stream obtained, after carrying out protocol analysis, it is directly placed into video file buffer.And after another road obtains the broadcast state of dynamic video streaming player, video file can be read in video file buffer according to broadcast state, and send into separation audio/video flow module.The video signal separated enters video memory, and audio signal enters audio driver.Video memory signal out gives HDMI 6, and the signal that audio driver is out is divided into two-way, one tunnel is to again send out to audio amplifier by bluetooth module or the second wireless signal module 5, and another road is that the video signal with HDMI 6 converges, and is sent to display device by HDMI 6.It addition, audio signal externally exports also by Audio interface 9.
Version after android system 4.2, itself carries Miracast mirror image and sends agreement, so we avoid the need for installing router at Android device end, uses the Miracast agreement that it carries.At expected end receiver, after having Miracast protocol connection request, first having to network interface card to be set to GO&STA state, being held consultation with Android device end by P2P pattern is connected.After in connection, owing to the Streaming Media of Miracast agreement is RTSP pattern, so needing the data stream received is carried out RTSP Streaming Media parsing, thus obtain audio, video data.The audio, video data obtained is sent into and is separated audio frequency and video functional module, separates.Flow chart of data processing below is the most the same with the flow process of Windows system terminal, carries out audio frequency and video transmission process.
As follows for connecting the reception flow process that terminal is iOS system: when there being iOS terminal near terminal, mDNS protocol discovery terminal to be passed through, after finding terminal, terminal can be connected by the AirPlay agreement that iOS terminal carries.Connection completes, and the data stream that end-on receives carries out Transmission Control Protocol parsing, and is decrypted, the data after resolving this is because iOS has carried out once encrypting for its mirror image data sent.I.e. obtaining complete audio, video data after deciphering, these data are sent into audio frequency and video separation module, processing below is the most identical with the handling process of Windows system.
Seeing Fig. 2, the present invention also provides for a kind of meeting room Internet of things system, including:
At least one meeting room Internet of Things server；
The as above many group meeting room internet-of-things terminals being connected by Internet network with described meeting room Internet of Things server；
Described meeting room internet-of-things terminal connects the local multimedia equipment of its place meeting room.
Meeting room Internet of things system is made up of the most several parts: meeting room internet-of-things terminal, Internet network and meeting room Internet of Things server.First meeting room internet-of-things terminal is arranged into each meeting room, meeting room internet-of-things terminal connects meeting room Internet of Things server by Internet network, meeting room internet-of-things terminal is grouped by meeting room Internet of Things server further according to certain rule, a number of terminal is divided into one group, as 1001 to 100n in figure organizes and 2001 to 200n group, so, meeting room Internet of things system is just built complete.When normally working, meeting room Internet of Things server is in units of group, and the meeting room corresponding to designated groups meeting room internet-of-things terminal provides services such as playing the renewal of content, the change of play rules, meeting room internet-of-things terminal edition upgrading, initiative information delivery.Meanwhile, the meeting room corresponding to meeting room internet-of-things terminal, it is also possible to by meeting room internet-of-things terminal Web page, sends their information to server, then is sent to other meeting room internet-of-things terminals by meeting room Internet of Things server.Thus achieve the bi-directional of information.
When meeting room internet-of-things terminal is not used, its processor 1 quits work, but single-chip microcomputer 8 also continues to work, to keep the continuous timing of clock.When single-chip microcomputer detects that renewal time that the machine sets is with the time consistency of the clock crystal oscillator 13 of the machine, then pass through I2C bus, wakes up processor 1 up, by Internet network, is attached with outside meeting room Internet of Things server, downloads the file needing to update, carry out system update.
The Core Feature of meeting room Internet of things system, it is the waiting time before utilizing meeting to start to play video information, so just the playing flow of video file being explained below: first meeting room internet-of-things terminal one powers on, system will read the advertisement number that should play at once, then play sequence number reading according to advertisement and be built in the video file within meeting room internet-of-things terminal, and play built in video file；In playing process, system can check continually on an interrupt identification of inside.If this interrupt identification requires to interrupt effectively, then explanation has external video to input, and user is desirable for this terminal, needs to interrupt the broadcasting of built in video at once；If interrupt identification is invalid, then continue to play；It follows that can judge whether a built in video file finishes.Without finishing, then may proceed to read video file, continue to play, and circulate interruption detection just now；If a video file finishes, then it is incremented by and plays sequence number variable, to read next video file, and play, then repeat operation above.
It practice, after meeting room internet-of-things terminal electrifying startup, another process can constantly detect whether the second wireless signal module 5 has signal to input.If there being signal to input, then interrupt identification can be forced to be set to effective status, play process detection in have no progeny, broadcasting built in video can be exited at once, then play the video signal received by the second wireless signal module 5.Equally, when the second wireless signal module 5 does not has video signal, then interrupt identification can be resetted, built in video may proceed to play.
In an idle state, first its single-chip microcomputer 8 can obtain the renewal time from internal time registers to meeting room internet-of-things terminal, it is judged that whether the renewal time expires.If it has not, then timer works on；If the renewal time expires, then can generate renewal demand file, and send renewal request to meeting room Internet of Things server.Meeting room Internet of Things server obtain more newly requested after, first have to resolve and update request data, to obtain more newly requested group number, and inquire about server internal data base, it is thus achieved that all meeting room internet-of-things terminals ID of this group, thus judge that this request is the most effective.If invalid, then ignore；If request is effectively, then packing needs video file and the relevant information updated, and generates and updates file, and is sent to meeting room internet-of-things terminal.After meeting room internet-of-things terminal results update file, renewal file to be resolved, it is thus achieved that group number and meeting room internet-of-things terminal ID, if checking is correct, then store built in video, and the write time time depositor of next update；If authentication error, then continue transmission more newly requested.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (6)
1. meeting room internet-of-things terminal, it is characterised in that including:
Processor；
It is connected with described processor, for data cached first memory；
It is connected with described processor, for providing the USB-HUB expansion connection module of external interface；
It is connected with described processor, for the first wireless signal module of wireless connections exterior terminal equipment；
It is connected with described USB-HUB expansion connection module, for connecting the second wireless signal module of external wireless network；
The single-chip microcomputer being connected with described processor；
The second memory being connected with described single-chip microcomputer and clock crystal oscillator；
It is connected with described processor, for connecting the HDMI of exterior display device；
The power module being connected with described processor, single-chip microcomputer, the first wireless signal module and the second wireless signal module.
Meeting room internet-of-things terminal the most according to claim 1, it is characterised in that also include being connected with described processor, for transmitting the Audio interface of audio signal.
Meeting room internet-of-things terminal the most according to claim 1, it is characterised in that also include the VGA input interface being connected with described processor.
Meeting room internet-of-things terminal the most according to claim 1, it is characterised in that also include the LAN interface being connected with described processor.
Meeting room internet-of-things terminal the most according to claim 1, it is characterised in that also include being connected with described processor, for sending the bluetooth module of audio signal.
6. a meeting room Internet of things system, it is characterised in that including:
At least one meeting room Internet of Things server；
The meeting room internet-of-things terminal of the many groups as described in claim 1-5 being connected by Internet network with described meeting room Internet of Things server；
Described meeting room internet-of-things terminal connects the local multimedia equipment of its place meeting room.
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| CN201510662623.XA CN105744350A (en) | 2015-10-14 | 2015-10-14 | Conference room Internet-of-Things terminal and conference room Internet-of-Things system |
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Application publication date: 20160706 |