CN202957920U - Video conference terminal - Google Patents
Video conference terminal Download PDFInfo
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- CN202957920U CN202957920U CN 201220735539 CN201220735539U CN202957920U CN 202957920 U CN202957920 U CN 202957920U CN 201220735539 CN201220735539 CN 201220735539 CN 201220735539 U CN201220735539 U CN 201220735539U CN 202957920 U CN202957920 U CN 202957920U
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- conference terminal
- video conference
- plastic fiber
- video
- audio
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Abstract
The utility model discloses a video conference terminal, which comprises a control circuit and a video-audio acquiring and playing circuit. The video-audio acquiring and playing circuit is electrically connected with the control circuit. In order to realize the interconnection of the above video conference terminal with network equipment with built-in plastic optical fiber interfaces by means of plastic optical fibers conveniently and directly, the video conference terminal also comprises a plastic optical fiber transceiver module in connection with network equipment through plastic optical fibers. The plastic optical fiber transceiver module is arranged inside the video conference terminal and is electrically connected with the control circuit. According to the technical scheme of the utility model, when the video conference terminal is in use, the data transmission is carried out by means of plastic optical fibers. In this way, not only the attenuation degree of data signals is relieved, but also the resistance to both the electromagnetic interference and the high-voltage interference are enabled. Even under the condition of the power failure or the lightning strike, no spark is produced by the video conference terminal, so that the video conference terminal is good in safety property.
Description
Technical field
The utility model relates to a kind of video conference terminal of accessible plastic fiber.
Background technology
At present, in most fields such as Industry Control, the communication interface of most equipment adopts the serial ports that meets the RS232 communication standard.The transfer of data radius of this communication mode is very limited, can not meet the demand of remote transmission, and can not access Internet.There are two kinds of methods these serial equipments effectively can be improved, make it be linked into Internet.A kind of method is to upgrade original system, and employing can access the new product of Internet, or the whole or part of original system is redesigned.This mode fundamentally resolution system is linked into the Internet problem, but its cost is higher, the cycle is longer.Another method is to use the protocol converter of RS232 to Internet on original equipment, realizes the access of Internet.No matter from complexity or above cost, this method obviously is better than the first.
Ethernet technology has experienced the development of more than 30 year, and its transmission rate rises to 10Gbps from 10Mbps, and presents optimistic prospect, and this mainly gives the credit to its superiority.The plurality of advantages such as that Ethernet has is simple in structure, with low cost, bandwidth is easy to expansion and compatible good.In new control network configuration, Ethernet is substituting traditional control bus gradually.And the RJ-45 interface is modal twisted-pair Ethernet interface, owing to also mainly adopting twisted-pair feeder as transmission medium in Fast Ethernet, so the video conference terminal of the employing Ethernet TCP/IP communication modes that existing market exists, be all to be connected with network by the RJ-45 interface.
Plastic fiber, as novel data transmission media, is compared with silica fiber, and it has thicker core diameter, advantages such as pliability that acceptance angle is large and good, so easy to connect, coupling efficiency is high; There is high bandwidth, vibration resistance, radioresistance, low price, easy construction simultaneously.And plastic fiber is compared with twisted-pair feeder, have lightweight, without electromagnetic interference and be with roomy grade a little.Therefore, plastic fiber is best short-range data transmission medium.
The video conference terminal (as shown in Figure 1) of current employing Ethernet TCP/IP communication modes, Ethernet interface and audio-video collection and playing circuit that its structure mainly comprises control circuit, is electrical connected with described control circuit, wherein, audio-video collection and playing circuit comprise microphone, high-definition camera, audio/video encoding/decoding plate, stereo set and display device; And control circuit comprises central processing unit and memory; Described microphone, high-definition camera, stereo set and display device are electrically connected described audio/video encoding/decoding plate; Described Ethernet interface, memory and audio/video encoding/decoding plate are electrically connected described central processing unit; And described Ethernet interface is generally the RJ-45 interface, for passing through the netting twine connection data network equipment.But, adopt the network cable transmission data not only easily to cause signal attenuation serious, but also easily be subject to the interference of electromagnetic noise and forceful electric power.Simultaneously, because the wire stylet of netting twine is copper cash, easy conduction, in the situation that outage or thunderbolt easily produce spark, not only safety index is low, and useful life is shorter.
The utility model content
The technical problem that the utility model solves is to provide a kind of video conference terminal, it can come and the network equipment transmission of data signals that is built-in with plastic fiber interface with plastic fiber easily, and not only signal attenuation is few in this data transmission procedure, and be highly resistant to the interference of electromagnetic noise and forceful electric power, even in the situation that outage or thunderbolt can not produce spark yet, high safety, long service life.
In order to solve the problems of the technologies described above, the technical scheme content that the utility model adopts is specific as follows:
A kind of video conference terminal, it is provided with control circuit, audio-video collection and playing circuit; Described audio-video collection and playing circuit are electrically connected described control circuit, for can be easily directly with plastic fiber, complete and the network equipment of built-in plastic fiber interface between interconnection, video conference terminal of the present utility model also comprises that one by the plastic fiber transceiver module of plastic fiber interconnection network equipment; Described plastic fiber transceiver module is located at described video conference terminal inside, and described plastic fiber transceiver module also is electrically connected described control circuit.
Preferably, described audio-video collection and playing circuit comprise microphone, high-definition camera, audio/video encoding/decoding plate, stereo set and display device; Described microphone, high-definition camera, stereo set and display device are electrically connected described audio/video encoding/decoding plate; Described audio/video encoding/decoding plate also is electrically connected described control circuit.
Preferably, described control circuit comprises central processing unit and memory; Described memory, audio/video encoding/decoding plate and plastic fiber transceiver module are electrically connected described central processing unit.
Preferably, described plastic fiber is that SI(is Setup-Index, and the Chinese meaning is step) plastic optical fiber or GI(be Gradual-Index, the Chinese meaning is gradual change) plastic optical fiber.
Preferably, described plastic fiber transceiver module is one to be provided with the plastic fiber transceiver of plastic fiber interface.
Preferably, described plastic fiber transceiver is is Resonant Cavity LED based on RCLED(, the Chinese meaning is the resonant cavity light-emitting diode) technology or VCSEL(be Vertical Cavity Surface Emitting Laser, the Chinese meaning is vertical cavity surface emitting laser) the plastic fiber transceiver of technology or Distributed Feedback Laser technology or FP laser technique.
Preferably, described plastic fiber transceiver can be used the plastic fiber transceiver of FIRECOMMS company.
Preferably, described plastic fiber interface be OptoLock connectorless system or with any one interface matched in the plastic fiber connector of SMI type, SC type, SC-RJ type.
Compared with prior art, the utility model has produced following beneficial effect:
Video conference terminal of the present utility model, by built-in plastic fiber transceiver module, can carry out the network equipment of transmission of data signals to built-in plastic fiber interface with plastic fiber easily, has advantages of easy to connect; Simultaneously, use the plastic fiber transmission of data signals, not only can make the data-signal decay very few, can also effectively resist the interference to data-signal of electromagnetic noise and forceful electric power.And because the material of optical fiber is glass, be not easy conduction, the reason because of outage or thunderbolt produces spark, so high safety, and optical fiber can use 10 years even more of a specified duration, useful life is longer.
Below in conjunction with the drawings and specific embodiments, the utility model will be further described.
The accompanying drawing explanation
The structural representation of the video conference terminal that Fig. 1 is prior art;
The structural representation that Fig. 2 is video conference terminal of the present utility model;
The connection diagram of the network equipment that Fig. 3 is video conference terminal of the present utility model and built-in plastic fiber interface.
Embodiment
The video conference terminal of the present embodiment is built-in plastic fiber transceiver module on the basis of video conference terminal well known in the art, as shown in Figure 3, therefore can be easily directly with plastic fiber, complete and the network equipment of built-in plastic fiber interface between interconnection, realize the data-transformation facility between video conference terminal and the network equipment.
Video conference terminal structure of the present utility model is referring to Fig. 2, and it is provided with control circuit, audio-video collection and playing circuit; Described audio-video collection and playing circuit are electrically connected described control circuit, for can be easily directly with plastic fiber, complete and the network equipment of built-in plastic fiber interface between interconnection, video conference terminal of the present utility model also comprises that one by the plastic fiber transceiver module of plastic fiber interconnection network equipment; Described plastic fiber transceiver module is located at described video conference terminal inside, and described plastic fiber transceiver module also is electrically connected described control circuit.
Particularly, described audio-video collection and playing circuit comprise microphone, high-definition camera, audio/video encoding/decoding plate, stereo set and display device; Described microphone, high-definition camera, stereo set and display device are electrically connected described audio/video encoding/decoding plate; Described audio/video encoding/decoding plate also is electrically connected described control circuit.
Particularly, described control circuit comprises central processing unit and memory; Described memory, audio/video encoding/decoding plate and plastic fiber transceiver module are electrically connected described central processing unit.
Particularly, described plastic fiber is that SI(is Setup-Index, and the Chinese meaning is step) plastic optical fiber or GI(be Gradual-Index, the Chinese meaning is gradual change) plastic optical fiber.
Particularly, described plastic fiber transceiver module is one to be provided with the plastic fiber transceiver of plastic fiber interface.
Particularly, described plastic fiber transceiver is is Resonant Cavity LED based on RCLED(, the Chinese meaning is the resonant cavity light-emitting diode) technology or VCSEL(be Vertical Cavity Surface Emitting Laser, the Chinese meaning is vertical cavity surface emitting laser) the plastic fiber transceiver of technology or Distributed Feedback Laser technology or FP laser technique.
Particularly, described plastic fiber transceiver can be used the plastic fiber transceiver of FIRECOMMS company.
Particularly, described plastic fiber interface be OptoLock connectorless system or with any one interface matched in the plastic fiber connector of SMI type, SC type, SC-RJ type.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (7)
1. a video conference terminal, it is provided with control circuit, audio-video collection and playing circuit; Described audio-video collection and playing circuit are electrically connected described control circuit, it is characterized in that: also comprise that one by the plastic fiber transceiver module of plastic fiber interconnection network equipment; Described plastic fiber transceiver module is located at described video conference terminal inside, and described plastic fiber transceiver module also is electrically connected described control circuit.
2. video conference terminal as claimed in claim 1, it is characterized in that: described audio-video collection and playing circuit comprise microphone, high-definition camera, audio/video encoding/decoding plate, stereo set and display device; Described microphone, high-definition camera, stereo set and display device are electrically connected described audio/video encoding/decoding plate; Described audio/video encoding/decoding plate also is electrically connected described control circuit.
3. video conference terminal as claimed in claim 2, it is characterized in that: described control circuit comprises central processing unit and memory; Described memory, audio/video encoding/decoding plate and plastic fiber transceiver module are electrically connected described central processing unit.
4. as any one described video conference terminal of claim 1-3, it is characterized in that: described plastic fiber is SI plastic optical fiber or GI plastic optical fiber.
5. as any one described video conference terminal of claim 1-3, it is characterized in that: described plastic fiber transceiver module is one to be provided with the plastic fiber transceiver of plastic fiber interface.
6. video conference terminal as claimed in claim 5 is characterized in that: described plastic fiber transceiver is the plastic fiber transceiver based on RCLED technology or VCSEL technology or Distributed Feedback Laser technology or FP laser technique.
7. video conference terminal as claimed in claim 5 is characterized in that: described plastic fiber interface be OptoLock connectorless system or with any one interface matched in the plastic fiber connector of SMI type, SC type, SC-RJ type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735539 CN202957920U (en) | 2012-12-27 | 2012-12-27 | Video conference terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220735539 CN202957920U (en) | 2012-12-27 | 2012-12-27 | Video conference terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202957920U true CN202957920U (en) | 2013-05-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220735539 Expired - Fee Related CN202957920U (en) | 2012-12-27 | 2012-12-27 | Video conference terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202957920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846568A (en) * | 2017-11-17 | 2018-03-27 | 国网河南省电力公司信息通信公司 | A kind of Video Conference System and its a kind of video conference terminal subsystem |
-
2012
- 2012-12-27 CN CN 201220735539 patent/CN202957920U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107846568A (en) * | 2017-11-17 | 2018-03-27 | 国网河南省电力公司信息通信公司 | A kind of Video Conference System and its a kind of video conference terminal subsystem |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20161227 |