CN202565410U - Plastic optical fiber type video transceiver - Google Patents
Plastic optical fiber type video transceiver Download PDFInfo
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- CN202565410U CN202565410U CN2012202229647U CN201220222964U CN202565410U CN 202565410 U CN202565410 U CN 202565410U CN 2012202229647 U CN2012202229647 U CN 2012202229647U CN 201220222964 U CN201220222964 U CN 201220222964U CN 202565410 U CN202565410 U CN 202565410U
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- plastic fiber
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Abstract
The utility model discloses a plastic optical fiber type video transceiver, comprising a video acquisition end, a video receiving end and plastic optical fibers, wherein the video acquisition end comprises an analog-to-digital conversion module connected with an image sensor, a first programmable device connected with the analog-to-digital conversion module, a parallel-to-series conversion chip and a first level conversion chip which are connected with the first programmable device, and also comprises a photoelectric module connected with the parallel-to-series conversion chip and the first level conversion chip; and the video receiving end comprises a photoelectric transceiver, a series-to-parallel conversion chip and a second level conversion chip which are connected with the photoelectric transceiver, and a second programmable device connected with the series-to-parallel conversion chip and the second level conversion chip, as well as comprises a digital-to-analogue conversion module connected with the second programmable device. The plastic optical fiber type video transceiver transfers signals to the video receiving end via the plastic optical fibers through the photoelectric module, so that the problems such as electromagnetic interference, geographical environment interference and thunder damage on a transmission path can be effectively solved; and therefore, the reliability, the safety and the confidentiality of data communication are improved.
Description
Technical field
The utility model relates to a kind of video equipment, a kind of video optical multiplexer that vision signal is transmitted through plastic fiber of more specifically saying so.
Background technology
Monitoring is the physical basis that every profession and trade key sector or important place are monitored in real time; Administrative department can obtain valid data, image or acoustic information through it; The process of paroxysmal abnormality incident is kept watch on timely and is remembered, in order to provide efficiently, in time commander and height, arrange police strength, settle a case etc.Develop rapidly and promote along with what current computer was used, the whole world has started one powerful wave of digitalization, and the various device digitlization has become the primary goal of security protection.Video monitoring system has developed short twenties years, from simulation monitoring the earliest to burning hot digital supervision Network Video Surveillance in the ascendant till now more a few years ago, earth-shaking variation has taken place.The transmission medium of current video signal is mainly coaxial cable, but coaxial cable can not resist electromagnetic interference, encircle interference, distance and decay are directly proportional, simultaneously can not lightning protection.
Therefore, be necessary to take new technological means solve anti-electromagnetic interference in the video signal transmission process, encircle and disturb and the problem of lightning protection.
The utility model content
The purpose of the utility model is to overcome the defective of prior art, and a kind of video optical multiplexer that vision signal is transmitted through plastic fiber is provided.
For realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of plastic fiber type video optical multiplexer comprises the video acquisition end and the video receiver that are provided with imageing sensor, and is used to connect the plastic fiber of video acquisition end and video receiver; Described video acquisition end comprises the analog-to-digital conversion module that is connected with imageing sensor, first programming device that is connected with analog-to-digital conversion module; And be connected with first programming device and go here and there conversion chip, first level transferring chip, also comprise with and go here and there the optical-electric module that conversion chip, first level transferring chip be connected; Described video receiver comprises optoelectronic transceivers, the string that is connected with optoelectronic transceivers and conversion chip and second level transferring chip; And with string second programming device that is connected of conversion chip, second level transferring chip also, also comprise the D/A converter module that is connected with second programming device; Described plastic fiber is connected between optical-electric module and the optoelectronic transceivers.
Its further technical scheme is: described video acquisition end also comprises the RS485 input port that first programming device connects; Described video receiver also comprises the RS485 output port that is connected with second programming device.
Its further technical scheme is: described first programming device, second programming device are the CPLD device.
Its further technical scheme is: described and string conversion chip is the LV1023 chip; Described string and conversion chip are the LV1224A chip.
Its further technical scheme is: described optical-electric module and optoelectronic transceivers are the IDL300T cake core.
Its further technical scheme is: the analog-to-digital conversion module of said video acquisition end comprises sgm9110 cake core and AD9580 cake core; The D/A converter module of said video receiver comprises DAC908E cake core and sgm9110 cake core.
Its further technical scheme is: said imageing sensor is CMOS type transducer or CCD type transducer.
The utility model beneficial effect compared with prior art is: the utility model carries out data transaction after utilizing programming device that vision signal is handled again; Through optical-electric module signal is reached video receiver through plastic fiber; Can solve effectively electromagnetic interference on transmission path, encircle and disturb and problem that thunder and lightning destroys, improved reliability of data communication, fail safe and confidentiality.
Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model plastic fiber type video optical multiplexer specific embodiment;
Fig. 2 A is the circuit theory diagrams first of the video acquisition end of the utility model plastic fiber type video optical multiplexer specific embodiment;
Fig. 2 B is the circuit theory diagrams second portion of the video acquisition end of the utility model plastic fiber type video optical multiplexer specific embodiment;
Fig. 2 C is the circuit theory diagrams third part of the video acquisition end of the utility model plastic fiber type video optical multiplexer specific embodiment.
Description of reference numerals
1 video acquisition end, 11 imageing sensors
12 analog-to-digital conversion modules, 13 first programming devices
14 and go here and there conversion chip 15 first level transferring chip
16 optical-electric modules, 17 RS485 input ports
2 video receivers, 21 optoelectronic transceivers
22 string and conversion chip 23 second level transferring chip
24 second programming devices, 25 D/A converter modules
26 image delivery outlets, 27 RS485 output ports
3 plastic fibers
Embodiment
In order more to make much of the technology contents of the utility model, below in conjunction with specific embodiment the technical scheme of the utility model is further introduced and explanation, but be not limited to this.
Shown in Fig. 1 to Fig. 2 C, a kind of plastic fiber type of the utility model video optical multiplexer comprises the video acquisition end 1 and video receiver 2 that are provided with imageing sensor 11, and is used to connect the plastic fiber 3 of video acquisition end 1 and video receiver 2; Video acquisition end 1 comprises the analog-to-digital conversion module 12 that is connected with imageing sensor 11, first programming device 13 that is connected with analog-to-digital conversion module 12; And that be connected with first programming device 13 and go here and there conversion chip 14, first level transferring chip 15, also comprise with and go here and there the optical-electric module 16 that conversion chip 14, first level transferring chip 15 be connected; Video receiver 2 comprises optoelectronic transceivers 21, the string that is connected with optoelectronic transceivers 21 and conversion chip 22 and second level transferring chip 23; And with string second programming device 24 that is connected of conversion chip 22, second level transferring chip 23 also; Also comprise the D/A converter module 25 that is connected with second programming device 24, D/A converter module 25 is connected with vision facilities through image delivery outlet 26; Plastic fiber 3 is connected between optical-electric module 16 and the optoelectronic transceivers 21.Video acquisition end 1 also comprises the RS485 input port 17 that first programming device 13 connects; Video receiver 2 also comprises the RS485 output port 27 that is connected with second programming device 24.
Wherein, in the present embodiment, first programming device 13, second programming device 24 are the CPLD device; And the string conversion chip is the LV1023 chip; String and conversion chip are the LV1224A chip.Optical-electric module 16 is the IDL300T cake core with optoelectronic transceivers 21.The analog-to-digital conversion module 12 of video acquisition end 1 comprises sgm9110 cake core (video amplifier) and AD9580 cake core (AD conversion chip); The D/A converter module 25 of video receiver 2 comprises DAC908E cake core (DA conversion chip) and sgm9110 cake core (video amplifier); 11 of imageing sensors can adopt CMOS type transducer or CCD type transducer.
Fig. 2 A to Fig. 2 C is the circuit theory diagrams of the video acquisition end in the present embodiment; Comprised power supply stabilization circuit among the figure, U5 is the AD module, and U9 is the LV1023 chip, and U8 is the CPLD chip, and J2 is a download port, and P1 is the RS485 communication interface, and J3 is a power interface.
In sum; The utility model carries out data transaction after utilizing programming device that vision signal is handled again; Through optical-electric module signal is reached video receiver through plastic fiber; Can solve effectively electromagnetic interference on transmission path, encircle and disturb and problem that thunder and lightning destroys, improved reliability of data communication, fail safe and confidentiality.
The above-mentioned technology contents that only further specifies the utility model with embodiment; So that the reader is more readily understood; But do not represent the execution mode of the utility model to only limit to this, any technology of doing according to the utility model is extended or recreation, all receives the protection of the utility model.The protection range of the utility model is as the criterion with claims.
Claims (7)
1. a plastic fiber type video optical multiplexer is characterized in that comprising the video acquisition end and the video receiver that are provided with imageing sensor, and is used to connect the plastic fiber of video acquisition end and video receiver; Described video acquisition end comprises the analog-to-digital conversion module that is connected with imageing sensor, first programming device that is connected with analog-to-digital conversion module; And be connected with first programming device and go here and there conversion chip, first level transferring chip, also comprise with and go here and there the optical-electric module that conversion chip, first level transferring chip be connected; Described video receiver comprises optoelectronic transceivers, the string that is connected with optoelectronic transceivers and conversion chip and second level transferring chip; And with string second programming device that is connected of conversion chip, second level transferring chip also, also comprise the D/A converter module that is connected with second programming device; Described plastic fiber is connected between optical-electric module and the optoelectronic transceivers.
2. plastic fiber type video optical multiplexer according to claim 1 is characterized in that described video acquisition end also comprises the RS485 input port that first programming device connects; Described video receiver also comprises the RS485 output port that is connected with second programming device.
3. plastic fiber type video optical multiplexer according to claim 1 is characterized in that described first programming device, second programming device are the CPLD device.
4. plastic fiber type video optical multiplexer according to claim 1 is characterized in that described and the string conversion chip is the LV1023 chip; Described string and conversion chip are the LV1224A chip.
5. plastic fiber type video optical multiplexer according to claim 1 is characterized in that described optical-electric module and optoelectronic transceivers are the IDL300T cake core.
6. plastic fiber type video optical multiplexer according to claim 1 is characterized in that the analog-to-digital conversion module of said video acquisition end comprises sgm9110 cake core and AD9580 cake core; The D/A converter module of said video receiver comprises DAC908E cake core and sgm9110 cake core.
7. plastic fiber type video optical multiplexer according to claim 1 is characterized in that said imageing sensor is CMOS type transducer or CCD type transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202229647U CN202565410U (en) | 2012-05-17 | 2012-05-17 | Plastic optical fiber type video transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202229647U CN202565410U (en) | 2012-05-17 | 2012-05-17 | Plastic optical fiber type video transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202565410U true CN202565410U (en) | 2012-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202229647U Expired - Fee Related CN202565410U (en) | 2012-05-17 | 2012-05-17 | Plastic optical fiber type video transceiver |
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| CN (1) | CN202565410U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410453A (en) * | 2013-11-27 | 2015-03-11 | 南京世都科技有限公司 | Optical fiber communication method and optical fiber communication device based on LED (light emitting diode) pulses |
| CN106973270A (en) * | 2017-04-19 | 2017-07-21 | 成都市宏山科技有限公司 | Optical signal transmission receiving terminal based on field programmable gate array |
| CN106973269A (en) * | 2017-04-19 | 2017-07-21 | 成都市宏山科技有限公司 | Optical signal transmission launch terminal based on FPGA |
| CN112398536A (en) * | 2020-10-10 | 2021-02-23 | 武汉佳德沃博格风动技术有限公司 | Method for preventing RS485 communication module from electromagnetic interference |
-
2012
- 2012-05-17 CN CN2012202229647U patent/CN202565410U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410453A (en) * | 2013-11-27 | 2015-03-11 | 南京世都科技有限公司 | Optical fiber communication method and optical fiber communication device based on LED (light emitting diode) pulses |
| CN106973270A (en) * | 2017-04-19 | 2017-07-21 | 成都市宏山科技有限公司 | Optical signal transmission receiving terminal based on field programmable gate array |
| CN106973269A (en) * | 2017-04-19 | 2017-07-21 | 成都市宏山科技有限公司 | Optical signal transmission launch terminal based on FPGA |
| CN112398536A (en) * | 2020-10-10 | 2021-02-23 | 武汉佳德沃博格风动技术有限公司 | Method for preventing RS485 communication module from electromagnetic interference |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Huaying Century Photoelectric Technology Co., Ltd. Assignor: Wu Qi Contract record no.: 2012440020386 Denomination of utility model: Plastic optical fiber type video transceiver Granted publication date: 20121128 License type: Exclusive License Record date: 20121219 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| 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: 20121128 Termination date: 20180517 |