CN203301490U - Vehicle optical transmitter - Google Patents
Vehicle optical transmitter Download PDFInfo
- Publication number
- CN203301490U CN203301490U CN2013203801252U CN201320380125U CN203301490U CN 203301490 U CN203301490 U CN 203301490U CN 2013203801252 U CN2013203801252 U CN 2013203801252U CN 201320380125 U CN201320380125 U CN 201320380125U CN 203301490 U CN203301490 U CN 203301490U
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- CN
- China
- Prior art keywords
- fpga chip
- optical
- vehicle
- optical sender
- electrical converter
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- 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.)
- Expired - Fee Related
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- Optical Communication System (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The utility model discloses a vehicle optical transmitter including an optical transmitter. The optical transmitter includes an audio video transmitting module, an FPGA chip and a photoelectric converter. The FPGA chip is connected with the photoelectric converter. The audio video transmitting module is connected with the FPGA chip. A front-end information collection device performs high-resolution digitalization of multi-channel video, audio and data through the audio video transmitting module, so that high-speed digital streams are formed. Then the multi-channel digital streams are multiplexed under the effect of the FPGA chip and the electric signals are converted to optical signals quickly through the photoelectric converter. And the optical signals are transmitted to a receiving device on another end through optical fibers. By adopting the audio video transmitting module and the FPGA chip arranged in the photoelectric converting module, an optical transmitter and receiver can connected with more external devices and the speed and stability of data transmission are increased.
Description
Technical field
The utility model relates to the computer network transmission technology, specifically refers to a kind of vehicle-mounted optical sender.
Background technology
Optical transceiver is an optical fiber communication equipment that extends transfer of data, it be mainly by signal modulate, the technology such as photoelectric conversion, utilize light-transfer characteristic to reach the purpose of remote transmission.The general paired use of optical transceiver, be divided into optical sender and optical receiver, and optical sender is completed electricity/light conversion, and light signal is launched for Optical Fiber Transmission; Optical receiver is mainly that the light signal that receives from optical fiber is restored as the signal of telecommunication, completes light/electricity conversion, and the optical transceiver effect is exactly to be used for the remote transmission data.
In military field, the transmission of information is particularly important, because relate to the transmission of a large amount of national defence data and safe and secret data.In general transmission system, the modes such as coaxial cable, twisted-pair feeder are adopted in long short-range transmission more, but use the degree of decay of coaxial cable and Double-strand transmission signal large, and the distance that makes it to transmit is short, poor anti jamming capability.
The utility model content
The utility model, by a kind of vehicle-mounted optical sender is set, solves the problems such as the interior easy distortion of transfer of data of military field, reaches the purpose that improves the transmission equipment antijamming capability.
The purpose of this utility model reaches by the following technical programs:
The utility model comprises optical sender, and described optical sender comprises audio frequency and video transmitter module, fpga chip and optical-electrical converter, and described fpga chip is connected with optical-electrical converter, and the audio frequency and video transmitter module is connected with fpga chip.The information collecting device of front end carries out high-resolution digital with the video of multichannel, audio frequency and data by the audio frequency and video transmitter module, formation high-speed figure stream, then under the effect of fpga chip, carry out multi-path digital stream multiplexing, pass through rapidly optical-electrical converter, convert the electrical signal to light signal, be transmitted through the fiber to the receiving equipment of the other end.The fpga chip that arranges in audio frequency and video transmitter module and photoelectric conversion module, make optical transceiver to be connected with more external equipment, and transfer of data has higher speed and stability.
Further, described audio frequency and video transmitter module comprises camera, Mike, two A/D converters and at a high speed and the string data transducer, camera, Mike are connected with an end of two A/D converters respectively, the other end of two A/D converters is connected with fpga chip respectively, and also the string data transducer is connected with optical-electrical converter with fpga chip at a high speed.The audio/video information that multichannel camera or Mike are collected or data are carried out the signal conversion by A/D converter, then transfer to fpga chip; When fpga chip multi-path digital is flowed multiplexing after, then at a high speed and under the effect of string data transducer, the multi-path digital flow transmission is to optical-electrical converter, optical-electrical converter convert electrical signals to light signal so that Optical Fiber Transmission to the receiving equipment of the other end.
Further, described optical sender also comprises 7 way switch amount input interfaces and 7 way switch amount output interfaces.Remove the forward and reverse video of multichannel, multichannel bi-directional data, also support the synchronous transmission of 7 road forward switching values and No. 7 reverser amounts.
Further, be provided with third level lightning protection device on the interfaces for external devices of described optical sender.During normal operation, the access of third level lightning protection device does not affect the normal transmission of signal, and earth impedance should be large, and the impedance that is connected in circuit is little; When thunder and lightning attacked communication bus, third level lightning protection device can be brought into play good voltage clamping effect; In suppressing to be no more than the thunder and lightning attack process of the maximum through-current capacity of lightning protection device, third level lightning protection device attacks and has enough fast response speed thunder and lightning, guarantees the safe handling of electronic equipment in many thunderstorms area, western part.
Further, as preferably, described optical-electrical converter is sea, FTS1219(Beijing Hua Lian mechanical ﹠ electrical technology Co., Ltd).
Further, as preferably, described high speed and string data transducer are HDMP1032(Shenzhen Electronics Co., Ltd. of harmonious family).
The utility model compared with prior art, have following advantage and a beneficial effect:
1 the utility model comprises optical sender, and described optical sender comprises audio frequency and video transmitter module, fpga chip and optical-electrical converter, and described fpga chip is connected with optical-electrical converter, and the audio frequency and video transmitter module is connected with fpga chip.The setting of fpga chip, make optical transceiver to be connected with more external equipment, and transfer of data has higher speed and stability.
Be provided with third level lightning protection device on 2 interfaces for external devices of the present utility model, while normally moving, the access of third level lightning protection device does not affect the normal transmission of signal, and earth impedance should be large, and the impedance that is connected in circuit is little; When thunder and lightning attacked communication bus, third level lightning protection device can be brought into play good voltage clamping effect; In suppressing to be no more than the thunder and lightning attack process of the maximum through-current capacity of lightning protection device, third level lightning protection device attacks and has enough fast response speed thunder and lightning, guarantees the safe handling of electronic equipment in many thunderstorms area, western part.
Description of drawings
Fig. 1 is circuit block diagram of the present utility model.
Embodiment
Embodiment 1
As shown in Figure 1, the present embodiment comprises optical sender, and described optical sender comprises audio frequency and video transmitter module, fpga chip and optical-electrical converter, and described fpga chip is connected with optical-electrical converter, and the audio frequency and video transmitter module is connected with fpga chip.The information collecting device of front end carries out high-resolution digital with the video of multichannel, audio frequency and data by the audio frequency and video transmitter module, formation high-speed figure stream, then under the effect of fpga chip, carry out multi-path digital stream multiplexing, pass through rapidly optical-electrical converter, convert the electrical signal to light signal, be transmitted through the fiber to the receiving equipment of the other end.The fpga chip that arranges in audio frequency and video transmitter module and photoelectric conversion module, make optical transceiver to be connected with more external equipment, and transfer of data has higher speed and stability.
Embodiment 2
As shown in Figure 1, the present embodiment is on the basis of embodiment 1, described audio frequency and video transmitter module comprises camera, Mike, two A/D converters and at a high speed and the string data transducer, camera, Mike are connected with an end of two A/D converters respectively, the other end of two A/D converters is connected with fpga chip respectively, and also the string data transducer is connected with optical-electrical converter with fpga chip at a high speed.The audio/video information that multichannel camera or Mike are collected or data are carried out the signal conversion by A/D converter, then transfer to fpga chip; When fpga chip multi-path digital is flowed multiplexing after, then at a high speed and under the effect of string data transducer, the multi-path digital flow transmission is to optical-electrical converter, optical-electrical converter convert electrical signals to light signal so that Optical Fiber Transmission to the receiving equipment of the other end.
Embodiment 3
As shown in Figure 1, the present embodiment is on the basis of embodiment 1, and described optical sender also comprises 7 way switch amount input interfaces and 7 way switch amount output interfaces.Remove the forward and reverse video of multichannel, multichannel bi-directional data, also support the synchronous transmission of 7 road forward switching values and No. 7 reverser amounts.
Embodiment 3
As shown in Figure 1, the present embodiment on the basis of embodiment 1, is provided with third level lightning protection device on the interfaces for external devices of described optical sender.During normal operation, the access of third level lightning protection device does not affect the normal transmission of signal, and earth impedance should be large, and the impedance that is connected in circuit is little; When thunder and lightning attacked communication bus, third level lightning protection device can be brought into play good voltage clamping effect; In suppressing to be no more than the thunder and lightning attack process of the maximum through-current capacity of lightning protection device, third level lightning protection device attacks and has enough fast response speed thunder and lightning, guarantees the safe handling of electronic equipment in many thunderstorms area, western part.
As preferably, described optical-electrical converter is sea, FTS1219(Beijing Hua Lian mechanical ﹠ electrical technology Co., Ltd).
As preferably, described high speed and string data transducer are HDMP1032(Shenzhen Electronics Co., Ltd. of harmonious family).
Claims (6)
1. a vehicle-mounted optical sender, comprise optical sender, it is characterized in that: described optical sender comprises audio frequency and video transmitter module, fpga chip and optical-electrical converter, and described fpga chip is connected with optical-electrical converter, and the audio frequency and video transmitter module is connected with fpga chip.
2. a kind of vehicle-mounted optical sender according to claim 1, it is characterized in that: described audio frequency and video transmitter module comprises camera, Mike, two A/D converters and at a high speed and the string data transducer, camera, Mike are connected with an end of two A/D converters respectively, the other end of two A/D converters is connected with fpga chip respectively, and also the string data transducer is connected with optical-electrical converter with fpga chip at a high speed.
3. a kind of vehicle-mounted optical sender according to claim 1, it is characterized in that: described optical sender also comprises 7 way switch amount input interfaces and the 7 way switch amount output interfaces that are connected with fpga chip.
4. according to claim 1～3 described a kind of vehicle-mounted optical senders of any one, is characterized in that: be provided with third level lightning protection device on the interfaces for external devices of described optical sender.
5. a kind of vehicle-mounted optical sender according to claim 1, it is characterized in that: described optical-electrical converter is FTS1219.
6. a kind of vehicle-mounted optical sender according to claim 2, it is characterized in that: described high speed and string data transducer are HDMP1032.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203801252U CN203301490U (en) | 2013-06-28 | 2013-06-28 | Vehicle optical transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203801252U CN203301490U (en) | 2013-06-28 | 2013-06-28 | Vehicle optical transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203301490U true CN203301490U (en) | 2013-11-20 |
Family
ID=49577469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203801252U Expired - Fee Related CN203301490U (en) | 2013-06-28 | 2013-06-28 | Vehicle optical transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203301490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326787A (en) * | 2013-06-28 | 2013-09-25 | 成都思迈科技发展有限责任公司 | Vehicle-mounted optical transmitter |
-
2013
- 2013-06-28 CN CN2013203801252U patent/CN203301490U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326787A (en) * | 2013-06-28 | 2013-09-25 | 成都思迈科技发展有限责任公司 | Vehicle-mounted optical transmitter |
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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 |
Granted publication date: 20131120 Termination date: 20140628 |
|
| EXPY | Termination of patent right or utility model |