CN207304755U - A kind of Cameralink videos change into the device of express network data - Google Patents
A kind of Cameralink videos change into the device of express network data Download PDFInfo
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- CN207304755U CN207304755U CN201720806095.5U CN201720806095U CN207304755U CN 207304755 U CN207304755 U CN 207304755U CN 201720806095 U CN201720806095 U CN 201720806095U CN 207304755 U CN207304755 U CN 207304755U
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Abstract
A kind of Cameralink videos provided by the utility model change into the device of express network data, including：Interface driver chip, fpga chip, network chip, RJ45 interfaces；The output interface of the interface driver chip connection infrared detector, for receiving the Cameralink data of infrared detector output；The fpga chip connects the interface driver chip；The network chip connects the fpga chip；The network chip connects the RJ45 interfaces, for exporting express network data by the RJ45 interfaces.The Cameralink data that infrared detector is exported are switched to parallel data by interface driver chip, fpga chip, network chip and are acquired by the utility model embodiment, it is then converted into network data and packs, exported finally by RJ45 interfaces to host computer, solving existing data transfer needs host computer to be equipped with special Cameralink data acquisition modules to receive the technical problem of infrared detector data.
Description
Technical field
Signal processing technology field is the utility model is related to, more particularly to a kind of Cameralink videos change into express network
The device of data.
Background technology
Infrared detector is in fields such as power-line patrolling, forest fire protections using more and more extensive, and infrared detector is by the visual field
The temperature information of scenery be converted to video information output, the video information that host computer export using infrared detector carry out processing with
Display.
The video data format of currently used infrared detector output is Cameralink standards, and each point uses 14
Bit data represent；The data and temperature are subjected to calibration correspondence, so it is known that target every bit in detector field of view
Temperature value, so as to complete the detection to dbjective state.This requires host computer to receive the video data that infrared detector exports,
Since the data of infrared detector output are Cameralink interface forms, it is desirable to which host computer is equipped with special Cameralink numbers
According to acquisition module, the complexity and cost of master system are so added.
Utility model content
The utility model embodiment discloses the device that a kind of Cameralink videos change into express network data, will be infrared
The video data of the Cameralink forms of detector output is converted into network data, and host computer is defeated by by high speed network oral instructions,
Solving existing data transfer needs host computer to be equipped with special Cameralink data acquisition modules to receive infrared acquisition
The technical problem of device data.
A kind of Cameralink videos provided by the utility model change into the device of express network data, including：Interface drives
Dynamic chip, fpga chip, network chip, RJ45 interfaces；
The output interface of the interface driver chip connection infrared detector, for receiving infrared detector output
Cameralink data；
The fpga chip connects the interface driver chip；
The network chip connects the fpga chip；
The network chip connects the RJ45 interfaces, supreme for exporting express network data by the RJ45 interfaces
Position machine.
Preferably, the interface driver chip is specially DS90CR266 interface driver chips；
The DS90CR266 interface drivers chip specifically connects the output of the DS90CR285 chips of the infrared detector
Interface.
Preferably, the fpga chip is specially ARTIX-7 family chips.
Preferably, the network chip is specially PHY88E1111 network chips.
Preferably, the output interface that the fpga chip connects the network chip is gigabit network interface.
Preferably, the transmission mode that the network chip is connected with the RJ45 interfaces is udp protocol transmission mode.
Preferably, the utility model further includes power management chip；
The power management chip connects the interface driver chip, the fpga chip, the network chip, institute respectively
RJ45 interfaces, the infrared detector are stated, for providing 5V power supplys.
Preferably, it is preferable that the infrared detector is specially the refrigeration type infrared detector of 640 × 512 resolution ratio.
Preferably, the data transfer between the output interface of the interface driver chip and infrared detector is 4 pairs of difference
Data-signal and 1 pair of clock signal.
Preferably, the data transfer between the fpga chip and the interface driver chip is parallel data signal；
Data transfer between the network chip and the fpga chip is network data signals.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages：
A kind of Cameralink videos provided by the utility model change into the device of express network data, including：Interface drives
Dynamic chip, fpga chip, network chip, RJ45 interfaces；The output interface of the interface driver chip connection infrared detector, is used
In the Cameralink data for receiving infrared detector output；The fpga chip connects the interface driver chip；The net
Network chip connects the fpga chip；The network chip connects the RJ45 interfaces, for being exported by the RJ45 interfaces
Express network data.The utility model embodiment will be by infrared detector by interface driver chip, fpga chip, network chip
The Cameralink data of output switch to parallel data and are acquired, and are then converted into network data and pack, finally lead to
Cross RJ45 interfaces to export to host computer, solving existing data transfer needs host computer to be equipped with special Cameralink data
Acquisition module receives the technical problem of infrared detector data.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is that a kind of Cameralink videos provided by the utility model provided in the utility model embodiment change into height
The structure diagram of the device of fast network data；
Fig. 2 is that a kind of Cameralink videos provided by the utility model provided in the utility model embodiment change into height
The annexation figure of the output interface of the interface driver chip connection infrared detector of the device of fast network data；
Fig. 3 is that a kind of Cameralink videos provided by the utility model provided in the utility model embodiment change into height
The video data that the fpga chip of the device of fast network data transmits interface driving chip be converted to network data when
Order relation figure.
Embodiment
The utility model embodiment discloses the device that a kind of Cameralink videos change into express network data, will be infrared
The video data of the Cameralink forms of detector output is converted into network data, and host computer is defeated by by high speed network oral instructions,
Solving existing data transfer needs host computer to be equipped with special Cameralink data acquisition modules to receive infrared acquisition
The technical problem of device data.
Referring to Fig. 1, a kind of Cameralink videos provided by the utility model change into the device of express network data, bag
Include：Interface driver chip, fpga chip, network chip, RJ45 interfaces；
Interface driver chip connects the output interface of infrared detector, for receiving infrared detector output
Cameralink data, and to switch to parallel data (defeated by infrared detector for the Cameralink data that infrared detector is exported
The video data gone out is converted into parallel data)；
Fpga chip connecting interface driving chip, for converting parallel data into the network data of 8 and packing；
Network chip connects fpga chip, and network chip is specially PHY chip, equivalent to network interface card.
Network chip connects RJ45 interfaces, for exporting express network data to host computer by RJ45 interfaces.
A kind of Cameralink videos provided by the utility model change into the device of express network data, including：Interface drives
Dynamic chip, fpga chip, network chip, RJ45 interfaces；The output interface of the interface driver chip connection infrared detector, is used
In the Cameralink data for receiving infrared detector output；The fpga chip connects the interface driver chip；The net
Network chip connects the fpga chip；The network chip connects the RJ45 interfaces, for being exported by the RJ45 interfaces
Express network data.The utility model embodiment will be by infrared detector by interface driver chip, fpga chip, network chip
The Cameralink data of output switch to parallel data and are acquired, and are then converted into network data and pack, finally lead to
Cross RJ45 interfaces to export to host computer, solving existing data transfer needs host computer to be equipped with special Cameralink data
Acquisition module receives the technical problem of infrared detector data.
The present apparatus is realized is converted to 8 network datas by the Cameralink video datas of the output of infrared detector,
Host computer is transferred to by kilomega network, data format issues are transmitted between infrared detector and host computer so as to solve.
Further, interface driver chip is specially DS90CR266 interface driver chips；
DS90CR266 interface drivers chip specifically connects the output interface of the DS90CR285 chips of infrared detector, is used for
The video data that infrared detector exports is converted into parallel data.
Infrared detector is exported data conversion using DS90CR285 chips, and apparatus of the present invention are using corresponding
The 4 pairs of differential data signals and 1 pair of clock signal that DS90CR286 chips export infrared detector are converted to parallel data letter
Number, connection relation is as shown in Figure 2.
Further, fpga chip is specially ARTIX-7 family chips.
Fpga chip obtains parallel data and simultaneously organizes bag, i.e., the present apparatus use the ARTIX-7 Series FPGAs of XILINX companies for
Processing core, receives parallel data, and carries out data sending using its gigabit networking interface.The data of infrared detector output are every
Frame is a width picture, and content is often 640 data of row, and totally 512 row, each data have 14 valid data positions.According to
Cameralink data time sequences, as shown in figure 3, after finding frame head, start to receive data, 14 valid data positions are used 28
Bit byte represents, while the data buffer storage that will be received.
Further, network chip is specially PHY88E1111 network chips.
Further, the output interface of fpga chip connection network chip is gigabit network interface.
Further, the transmission mode that network chip is connected with RJ45 interfaces is udp protocol transmission mode.
The ARTIX-7 Series FPGAs that the present apparatus uses have 1 tunnel gigabit network interface, for the network data transmission after packing.
The data transfer rate of infrared detector is frame × 10=163840000 of × 2 bytes of the row of 640 rows × 512 × 25, about 160Mbps, hundred
Million nets can not be met the requirements, so being transmitted using kilomega network.The side of udp protocol is used during transmission for raising efficiency of transmission
Formula, each row of data carry out data transmission for 1 bag, increase packet header bag tail before wrapping.
Further, the utility model further includes power management chip；
Power management chip difference connecting interface driving chip, fpga chip, network chip, RJ45 interfaces, infrared acquisition
Device, for providing 5V power supplys.
Further, further, infrared detector is specially the refrigeration type infrared detector of 640 × 512 resolution ratio.
Further, the data transfer between interface driver chip and the output interface of infrared detector is 4 pairs of difference numbers
It is believed that number and 1 pair of clock signal.
Further, the data transfer between fpga chip and interface driver chip is parallel data signal；
Data transfer between network chip and fpga chip is network data signals.
Referring to Fig. 1, Fig. 1 is the principle frame of infrared detector Cameralink video data switching network data sets
Figure, the block diagram depicts the major architectural of the device.
Referring to Fig. 2, Fig. 2 is the data source of infrared detector Cameralink video data switching network data sets
The annexation figure of the output interface of annexation figure, i.e. interface driver chip connection infrared detector, left-hand component are infrared
The interface of detector output, right-hand component receive data-interface (i.e. interface driver chip) for the present apparatus.
Referring to Fig. 3, Fig. 3 is the timing diagram of infrared detector Cameralink video data switching network data,
The video data that i.e. fpga chip transmits interface driving chip is converted to the timing diagram of network data, FVAL signals
For frame useful signal, high level is effective, and DVAL is infrared data useful signal, and high level is effective, each high level represents one
Row, transmit infrared data, the sampling of Cameralink interface driver chips between DVAL high periods on data cable D0-D7
Point is the rising edge of pixel Dot Clock.
The present apparatus is powered using 5V, using the ARTIX-7 Series FPGAs of XILINX companies as core, is connect by DS90CR266
The Cameralink data that infrared detector exports are switched to parallel data and are acquired by mouth driving chip, are then converted into 8
Network data and pack, coordinate PHY 88E1111 network chips, finally by RJ45 interfaces export.
The device for changing into express network data to a kind of Cameralink videos provided by the utility model above carries out
It is discussed in detail, for those of ordinary skill in the art, based on the idea of the embodiment of the present invention, in embodiment
And there will be changes in application range, in conclusion this specification content should not be construed as the limitation to the utility model.
Claims (10)
1. a kind of Cameralink videos change into the device of express network data, it is characterised in that including：Interface driver chip,
Fpga chip, network chip, RJ45 interfaces；
The output interface of the interface driver chip connection infrared detector, for receiving infrared detector output
Cameralink data；
The fpga chip connects the interface driver chip；
The network chip connects the fpga chip；
The network chip connects the RJ45 interfaces, for exporting express network data to upper by the RJ45 interfaces
Machine.
2. a kind of Cameralink videos according to claim 1 change into the device of express network data, it is characterised in that
The interface driver chip is specially DS90CR266 interface driver chips；
The DS90CR266 interface drivers chip specifically connects the output interface of the DS90CR285 chips of the infrared detector.
3. a kind of Cameralink videos according to claim 1 change into the device of express network data, it is characterised in that
The fpga chip is specially ARTIX-7 family chips.
4. a kind of Cameralink videos according to claim 1 change into the device of express network data, it is characterised in that
The network chip is specially PHY88E1111 network chips.
5. a kind of Cameralink videos according to claim 1 change into the device of express network data, it is characterised in that
The output interface that the fpga chip connects the network chip is gigabit network interface.
6. a kind of Cameralink videos according to claim 1 change into the device of express network data, it is characterised in that
The transmission mode that the network chip is connected with the RJ45 interfaces is udp protocol transmission mode.
7. a kind of Cameralink videos according to claim 1 change into the device of express network data, it is characterised in that
Further include power management chip；
The power management chip connects the interface driver chip, fpga chip, the network chip, described respectively
RJ45 interfaces, the infrared detector, for providing 5V power supplys.
8. a kind of Cameralink videos according to claim 1 change into the device of express network data, it is characterised in that
The infrared detector is specially the refrigeration type infrared detector of 640 × 512 resolution ratio.
9. a kind of Cameralink videos according to claim 1 change into the device of express network data, it is characterised in that
When data transfer between the output interface of the interface driver chip and infrared detector is 4 pairs of differential data signals and 1 pair
Clock signal.
10. a kind of Cameralink videos according to claim 1 change into the device of express network data, its feature exists
In the data transfer between the fpga chip and the interface driver chip is parallel data signal；
Data transfer between the network chip and the fpga chip is network data signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720806095.5U CN207304755U (en) | 2017-07-05 | 2017-07-05 | A kind of Cameralink videos change into the device of express network data |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720806095.5U CN207304755U (en) | 2017-07-05 | 2017-07-05 | A kind of Cameralink videos change into the device of express network data |
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| CN207304755U true CN207304755U (en) | 2018-05-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109413354A (en) * | 2018-11-19 | 2019-03-01 | 天津津航技术物理研究所 | A kind of infrared detector interface adaption device |
-
2017
- 2017-07-05 CN CN201720806095.5U patent/CN207304755U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109413354A (en) * | 2018-11-19 | 2019-03-01 | 天津津航技术物理研究所 | A kind of infrared detector interface adaption device |
| CN109413354B (en) * | 2018-11-19 | 2021-08-06 | 天津津航技术物理研究所 | Infrared detector interface switching device |
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