CN204258949U - A kind of IMAQ playback board - Google Patents
A kind of IMAQ playback board Download PDFInfo
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- CN204258949U CN204258949U CN201420718490.4U CN201420718490U CN204258949U CN 204258949 U CN204258949 U CN 204258949U CN 201420718490 U CN201420718490 U CN 201420718490U CN 204258949 U CN204258949 U CN 204258949U
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Abstract
The utility model relates to a kind of IMAQ playback board.The described IMAQ playback board provided, comprises base plate, it is characterized in that, also comprise: be configured in the pci interface on base plate, pci bridge chip, fpga chip, first dsp chip, the second dsp chip, at least one road IMAQ input unit and at least one road image reproducing output unit; IMAQ input unit connects the first dsp chip, image reproducing output unit connects the second dsp chip, fpga chip connects the first dsp chip and the second dsp chip respectively by EMIF bus, pci bridge chip connects the first dsp chip and the second dsp chip respectively by pci bus, and pci bridge chip connects pci interface.Described IMAQ playback board provides multiplex image acquisition module and multiway images playback module, not only can gather image but also playback can be carried out to the digitized video image information after collection, there is the dual-use function of collection and playback, the effect that all right detected image gathers while IMAQ, the image acquisition parameter that timely configuration is suitable, improves collecting efficiency.
Description
Technical field
The utility model relates to image pick-up card field, particularly, relates to a kind of IMAQ playback board.
Background technology
Image pick-up card, also known as picture catching card, is that one can obtain digitlization video image information, and stores hardware device out.The structure of image pick-up card mainly comprises Gather and input module, analog-to-digital conversion (A/D) module, image processing module and bus interface module, wherein Gather and input module, analog-to-digital conversion (A/D) module and image processing module complete the process sampling, quantize and be converted to digitized video image information to the carrying out of image/video, image processing module and bus interface module are used for digitized video image information to be delivered in external hard disc of computer, to store or subsequent treatment.
But in actual application, in order to the effect that real-time detected image gathers, the digitized video image information to gathering also is needed to carry out playback, therefore need to design a kind of IMAQ playback board, not only there is the function of IMAQ but also there is the function of image reproducing, can the effect that gathers of detected image while IMAQ, the image acquisition parameter that in time configuration is suitable, improves collecting efficiency.
Utility model content
For the above-mentioned functional requirement at present to image pick-up card, the utility model provides a kind of IMAQ playback card, namely multiplex image acquisition can be realized, multiway images playback can be realized again, while IMAQ can detected image gather effect, the image acquisition parameter that timely configuration is suitable, improves collection effect.
The technical solution adopted in the utility model, provide a kind of IMAQ playback board, comprise base plate, it is characterized in that, also comprise: be configured in the pci interface on base plate, pci bridge chip, fpga chip, first dsp chip, the second dsp chip, at least one road IMAQ input unit and at least one road image reproducing output unit; IMAQ input unit connects the first dsp chip, image reproducing output unit connects the second dsp chip, fpga chip connects the first dsp chip and the second dsp chip respectively by EMIF bus, pci bridge chip connects the first dsp chip and the second dsp chip respectively by pci bus, and pci bridge chip connects pci interface.In described IMAQ playback board structure, IMAQ input unit and the first dsp chip are to directly showing the analog signal sampling of image/video, quantification be converted into digitized video image information, deliver in external hard disc of computer finally by pci bridge chip and pci interface, to store or subsequent treatment; Image reproducing output unit and the second dsp chip are resolved digitlization video image information and are converted into the analog signal that directly can show image/video, so that external-connection displayer is shown; Fpga chip as master devices, manages each functional module in IMAQ playback board.Described IMAQ playback board, not only has the function of IMAQ but also has the function of image reproducing, can the effect that gathers of detected image while IMAQ, and the image acquisition parameter that in time configuration is suitable, improves collecting efficiency.
Concrete, described IMAQ input unit comprises PAL image capture module and SMA interface, and SMA interface connects PAL image capture module, and PAL image capture module connects the first dsp chip; Described PAL image capture module adopts video coding chip ADV7181.Described image reproducing output unit comprises PAL image output module and SMA interface, and SMA interface connects PAL image reproducing output module, and PAL image reproducing output unit connects the second dsp chip; Described PAL image reproducing module adopts video decoding chip ADV7177.
Concrete, described fpga chip is EP2C35F484C8, and the first dsp chip is TMS320DM642, and the second dsp chip is TMS320DM642, and pci bridge chip is PCI6152.
Concrete, described IMAQ playback board also comprises: be configured in the CAMERALINK output unit on base plate; Described CAMERALINK output unit comprises CAMERALINK image output module and SDR-CAMERALINK interface, and SDR-CAMERALINK interface connects CAMERALINK image output module, and CAMERALINK image output module connects fpga chip; Described CAMERALINK image output module adopts chip DS90CR287.
To sum up, the IMAQ playback board provided described in the utility model is provided, provide multiplex image acquisition module and multiway images playback module, not only can gather image but also playback can be carried out to the digitized video image information after collection, there is the dual-use function of collection and playback, the effect that all right detected image gathers while IMAQ, the image acquisition parameter that configuration is suitable in time, improves collecting efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the IMAQ playback board structure schematic diagram that the utility model embodiment provides.
Embodiment
Hereinafter with reference to accompanying drawing, describe by way of example a kind of IMAQ playback board that the utility model provides in detail.It should be noted that at this, the explanation for these way of example understands the utility model for helping, but does not form restriction of the present utility model.
Various technology described herein may be used for but is not limited to image pick-up card field, can also be used for other similar field.
Term "and/or" herein, it is only a kind of incidence relation describing affiliated partner, three kinds of relations can be there are in expression, such as, A and/or B, can represent: individualism A, individualism B, there are A and B tri-kinds of situations simultaneously, herein term " or/and " be describe another kind of affiliated partner relation, can there are two kinds of relations in expression, such as, A is or/and B, can represent: individualism A, individualism A and B two kinds of situations, in addition, character "/" herein, general expression forward-backward correlation is to liking a kind of "or" relation.
Embodiment one, Fig. 1 shows the IMAQ playback board structure schematic diagram that the present embodiment provides.Described IMAQ playback board, comprise base plate, it is characterized in that, also comprise: be configured in the PCI(Peripheral Component Interconnect on base plate, Peripheral Component Interconnect standard) interface, pci bridge chip, FPGA(Field-Programmable Gate Array, i.e. field programmable gate array) chip, one DSP(Digital Signal Process, Digital Signal Processing) chip, the second dsp chip, three road IMAQ input units and three road image reproducing output units; IMAQ input unit connects the first dsp chip, image reproducing output unit connects the second dsp chip, fpga chip is by EMIF(External Memory Interface, external memory interface) bus connects the first dsp chip and the second dsp chip respectively, pci bridge chip connects the first dsp chip and the second dsp chip respectively by pci bus, and pci bridge chip connects pci interface.In described IMAQ playback board structure, three road IMAQ input units can gather three tunnel image/video signals and quantize simultaneously, generate through coding the formatted file comprising digitized video image information again after analog-to-digital conversion (A/D), and through the first dsp chip, format conversion is carried out to described formatted file and generate other format files (such as AVI form or MP4 form etc.), finally by pci bridge chip and pci interface, the format file comprising digitized video image information is delivered in external hard disc of computer, to store or subsequent treatment, second dsp chip obtains by pci bridge chip and pci interface the formatted file comprising digitized video image information from external hard disc of computer, or from the first dsp chip, obtain by EMIF bus and fpga chip the formatted file comprising digitized video image information, formatted file to be decoded is generated through format conversion, then through image reproducing output unit, formatted file to be decoded is decoded and digital-to-analogue conversion (D/A), revert to the analog signal that directly can show image/video, so that external-connection displayer is shown, fpga chip at IMAQ playback plate as master devices, each functional module is managed, such as by fpga chip, software reset is carried out to each functional module, or control the second dsp chip, realize the output of the playback signal of three road image/videos simultaneously.The base plate of described IMAQ board is also configured with corresponding power subsystem and clock unit, is respectively each functional module and operating voltage and clock sequence number are provided.Described IMAQ playback board, not only has the function of IMAQ but also has the function of image reproducing, can the effect that gathers of detected image while IMAQ, and the image acquisition parameter that in time configuration is suitable, improves collecting efficiency.
Concrete, described IMAQ input unit comprises PAL image capture module and SMA interface, and SMA interface connects PAL image capture module, and PAL image capture module connects the first dsp chip; Described PAL image capture module adopts video coding chip ADV7181.Described sub-miniature A connector input directly can show the analog signal of image/video, after PAL image capture module analog-to-digital conversion (A/D) and PAL coding, generate the PAL formatted file comprising digitized video image information, then deliver to the first dsp chip to change other form.The operating frequency of described PAL image capture module is 27Mhz, can realize 25 frames, and resolution is the IMAQ of 720*576.
Concrete, described image reproducing output unit comprises PAL(Phase Alternation Line, phase place is alternation line by line) image output module and SMA interface, SMA interface connects PAL image reproducing output module, and PAL image reproducing output unit connects the second dsp chip; Described PAL image reproducing module adopts video decoding chip ADV7177.Described PAL image reproducing output module is used for decoding to the PAL formatted file comprising digitized video image information, and the analog signal that directly can show image/video is generated after digital-to-analogue conversion (D/A) conversion, export described analog signal finally by sub-miniature A connector.The operating frequency of described PAL image reproducing module is 27MHz, can realize 25 frames, and resolution is the image reproducing of 720*576.
As what optimize, in the present embodiment, described fpga chip is EP2C35F484C8, and the first dsp chip is TMS320DM642, and the second dsp chip is TMS320DM642, and pci bridge chip is PCI6152.
Optimize, the IMAQ playback board shown in the present embodiment, also comprises: be configured in the CAMERALINK(Camera Link standard on base plate, a kind of communication transport protocols) output unit; Described CAMERALINK output unit comprises CAMERALINK image output module and SDR-CAMERALINK interface, and SDR-CAMERALINK interface connects CAMERALINK image output module, and CAMERALINK image output module connects fpga chip; Described CAMERALINK image output module adopts chip DS90CR287.Fpga chip comprises the file of digitized video image information by EMIF bus Real-time Obtaining from the first dsp chip, and described file is delivered to CAMERALINK image output module, be converted to the signal that can transmit in CAMERALINK bus through CAMERALINK image output module, export described signal finally by CAMERALINK interface.Coordinated by the logic of fpga chip, described CAMERALINK image output module can realize 25 frames, and the adaptive signal of resolution exports.
Optimize, the first dsp chip and the second dsp chip are outer respectively on base plate hangs with FLASH memory and SDRAM(Synchronous DRAM, synchronous DRAM) memory.Described SDRAM memory is used for the data that buffer memory treats dsp chip process, described FLASH memory is used for the working status parameter of real-time storage dsp chip, the data power down of SDRAM memory and FLASH memory is not lost, after a power failure, powering on can automatic Recovery image collection and/or image reproducing function for described IMAQ playback board.
The IMAQ playback board that the present embodiment provides, provide three road image capture modules and three road image reproducing modules, not only can gather image but also playback can be carried out to the digitized video image information after collection, there is the dual-use function of collection and playback, the effect that all right detected image gathers while IMAQ, the image acquisition parameter that timely configuration is suitable, improves collecting efficiency.
With reference to aforesaid embodiment, IMAQ playback board of the present utility model can also expand out other embodiment, the difference of these embodiments and previous embodiment is, comprising: be configured at least one road IMAQ input unit on base plate and at least one road image reproducing output unit.
The technique effect of above-mentioned expansion embodiment, can, with reference to the technique effect of embodiment one, not needed can be obtained by performing creative labour.
As mentioned above, the utility model can be realized preferably.For a person skilled in the art, according to instruction of the present utility model, designing multi-form IMAQ playback board does not need performing creative labour.When not departing from principle of the present utility model and spirit, these embodiments being changed, revising, replace, integrate and modification still falls in protection range of the present utility model.
Claims (7)
1. an IMAQ playback board, comprises base plate, it is characterized in that, also comprise: be configured in the pci interface on base plate, pci bridge chip, fpga chip, first dsp chip, the second dsp chip, at least one road IMAQ input unit and at least one road image reproducing output unit;
IMAQ input unit connects the first dsp chip, image reproducing output unit connects the second dsp chip, fpga chip connects the first dsp chip and the second dsp chip respectively by EMIF bus, pci bridge chip connects the first dsp chip and the second dsp chip respectively by pci bus, and pci bridge chip connects pci interface.
2. a kind of IMAQ playback board as claimed in claim 1, is characterized in that:
Described IMAQ input unit comprises PAL image capture module and SMA interface, and SMA interface connects PAL image capture module, and PAL image capture module connects the first dsp chip;
Described PAL image capture module adopts video coding chip ADV7181.
3. a kind of IMAQ playback board as claimed in claim 1, is characterized in that:
Described image reproducing output unit comprises PAL image output module and SMA interface, and SMA interface connects PAL image reproducing output module, and PAL image reproducing output unit connects the second dsp chip;
Described PAL image reproducing module adopts video decoding chip ADV7177.
4. a kind of IMAQ playback board as claimed in claim 1, is characterized in that:
Described base plate is configured with three road IMAQ input units and three road image reproducing output units.
5. a kind of IMAQ playback board as claimed in claim 1, is characterized in that:
Described fpga chip is EP2C35F484C8, and the first dsp chip is TMS320DM642, and the second dsp chip is TMS320DM642, and pci bridge chip is PCI6152.
6. a kind of IMAQ playback board as claimed in claim 1, is characterized in that, described IMAQ playback board also comprises: be configured in the CAMERALINK output unit on base plate;
Described CAMERALINK output unit comprises CAMERALINK image output module and SDR-CAMERALINK interface, and SDR-CAMERALINK interface connects CAMERALINK image output module, and CAMERALINK image output module connects fpga chip;
Described CAMERALINK image output module adopts chip DS90CR287.
7. a kind of IMAQ playback board as claimed in claim 1, is characterized in that, also comprise:
First dsp chip and the second dsp chip are outer respectively on base plate hangs with FLASH memory and SDRAM memory.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420718490.4U CN204258949U (en) | 2014-11-26 | 2014-11-26 | A kind of IMAQ playback board |
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| CN201420718490.4U CN204258949U (en) | 2014-11-26 | 2014-11-26 | A kind of IMAQ playback board |
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| CN204258949U true CN204258949U (en) | 2015-04-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104519280A (en) * | 2014-11-26 | 2015-04-15 | 成都盛军电子设备有限公司 | Image capture board card with playback function |
| CN107277373A (en) * | 2017-07-28 | 2017-10-20 | 北京计算机技术及应用研究所 | A kind of hardware circuit of high speed real time image processing system |
| CN109299030A (en) * | 2018-09-10 | 2019-02-01 | 南京莱斯电子设备有限公司 | The method that cameralink based on ZYNQ turns PAL system |
-
2014
- 2014-11-26 CN CN201420718490.4U patent/CN204258949U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104519280A (en) * | 2014-11-26 | 2015-04-15 | 成都盛军电子设备有限公司 | Image capture board card with playback function |
| CN107277373A (en) * | 2017-07-28 | 2017-10-20 | 北京计算机技术及应用研究所 | A kind of hardware circuit of high speed real time image processing system |
| CN107277373B (en) * | 2017-07-28 | 2020-02-07 | 北京计算机技术及应用研究所 | Hardware circuit of high-speed real-time image processing system |
| CN109299030A (en) * | 2018-09-10 | 2019-02-01 | 南京莱斯电子设备有限公司 | The method that cameralink based on ZYNQ turns PAL system |
| CN109299030B (en) * | 2018-09-10 | 2019-06-11 | 南京莱斯电子设备有限公司 | The method that cameralink based on ZYNQ turns PAL system |
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Effective date of registration: 20170714 Address after: The new West Road 610000 in Sichuan Province, Chengdu city high tech Development Zone No. 2 Patentee after: Sichuan Di Information Technology Co., Ltd. Address before: 610000 Chengdu province high tech Zone, West core road, No. 5, No. Patentee before: CHENGDU SHENGJUN ELECTRONIC EQUIPMENT CO., LTD. |
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| TR01 | Transfer of patent right |