CN101424739A - Radar system interface card based on FPGA - Google Patents
Radar system interface card based on FPGA Download PDFInfo
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- CN101424739A CN101424739A CNA2008102357910A CN200810235791A CN101424739A CN 101424739 A CN101424739 A CN 101424739A CN A2008102357910 A CNA2008102357910 A CN A2008102357910A CN 200810235791 A CN200810235791 A CN 200810235791A CN 101424739 A CN101424739 A CN 101424739A
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- fpga
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- radar system
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- interface card
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
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Abstract
The invention relates to a radar system interface card based on FPGA, comprising a mainboard and an interface driving program which supplies a driving PCI bus, wherein the main board comprises an FPGA on-line programmable device, an A/D conversion chip, a D/A conversion chip, an interface difference driving chip and an interface bus driver. The radar system interface card also comprises an option board which mainly comprises a relay and a photoelectric coupler, the option board is connected with the mainboard by universal double-row contact pins of a 104 core, the option board at least comprises two relays and eight optical couplers, and two relays are additionally backed up; a control circuit of an interface board adopts a large scale integrated circuit FPGA, 26C31/32 and 26LV31/32 difference driving chips and a 74FC 16245 bus driving chip of optimizing devices which are widely used are adopted as the interface drive, the stability of the devices is good, and the service life is long.
Description
Technical field
The present invention relates to a kind of system interface card, relate in particular to a kind of radar system interface card based on FPGA.
Background technology
Weather radar of a great variety, the interface shape of each subsystem is varied.Present interface circuit is is independently researched and developed at each product, kind is more, two kinds of embedded and plate card types are arranged on the structural shape, but it is similar on particular content, and also do not have one to overlap complete interface standard at present, therefore need formulate one for weather radar and overlap the interface module standard that is fit to each band radar, each system radar, reach the target of perfect frame and interface, standardization interface, standardization software.
Summary of the invention
1, technical matters to be solved:
At above-described problem, a kind of a kind of radar system interface card that is fit to each subsystem interface of all kinds of weather radars (survey wind, survey rain) provided by the present invention based on FPGA.
2, technical scheme:
The present invention includes mainboard and the interface drive program that drives pci bus is provided; Mainboard comprises FPGA online programmable device, A/D conversion chip, D/A conversion chip, interface differential driving chip, interface bus driver.What FPGA adopted is XC2V1000 online programmable device, that the D/A conversion is adopted is 12 D/A conversion chip AD5320 of serial input, what the A/D conversion was adopted is and 12 A/D conversion chips of line output MAX1310ECM, that differential received adopts is 5V voltage differential received chip AM26C31ID, what difference sent employing is that low-voltage (3.3V) difference sends chip AM26LV32CD, and bus driver adopts 74LVTH162244DL and 74FCT6245TPV.The present invention also comprises the option plate, mainly comprises relay and photoelectrical coupler on the option plate; The option plate is connected with mainboard through the general double contact pin of 104 cores.The option plate comprises No. 2 relays and 8 road optocouplers at least, and other backs up No. 2 relays.
3, beneficial effect:
Use of the present invention has significantly reduced the workload of cabling and debugging, and makes the interface of all weather radars unified.
Description of drawings
Fig. 1 is a structured flowchart of the present invention;
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done explanation in further detail.
Interface board of the present invention is the Universal interface board for series of meteorological Radar Products development, and it makes form, quantity, the electrical specification of the interface signal between each subsystem in the various weather radars obtain unification.The major function of interface board is to set up signalling channel between data processing subsystem and other subsystems, the control signal that data processing is produced is sent to each subsystem, the duty of each subsystem sampled send data processing sampled result, each subsystem is carried out fault detect or monitoring, send data processing with test result, further process or show by data processing.The interface module of development is made up of two printed boards: mainboard and option plate, mainboard comprise and emission, reception, feeder line, T/R assembly, ripple control, signal Processing, data processing, servo etc. hardware interface; The relay that comprises feeder line subsystem control waveguide switch on the option plate.The option plate adds bat when needed on mainboard, and mainboard can work independently under the situation of no option plate.Mainboard and option plate all are inserted in the cabinet of industrial computer or PC, and the same computing machine of working environment is 0～40 ℃.
Interface board is divided into two of mainboard and option plates from structure, and the interface drive program that drives pci bus is provided; Mainly comprise the gauge tap machine on the option plate and the relay and the photoelectrical coupler of the usefulness that adds high pressure.
Mainboard is made up of FPGA online programmable device, A/D conversion chip, D/A conversion chip, interface differential driving chip, interface bus driver etc.Wherein, what FPGA adopted is the XC2V1000 online programmable device of being produced by XILINX company, that the D/A conversion is adopted is 12 the D/A conversion chip AD5320 of serial input that produced by AD company, that the A/D conversion is adopted is also 12 A/D conversion chips of the line output MAX1310ECM that is produced by MAXIM company, that differential received adopts is the 5V voltage differential received chip AM26C31ID that is produced by AMD, what the difference transmission was adopted is to send chip AM26LV32CD by low-voltage (3.3V) difference that AMD produces, and bus driver adopts the 74FCT6245TPV that is produced by the 74LVTH162244DL of TI company production and IDT company.Mainboard+5V and ± the 12V power supply provides by computer power supply, required other kind power supplys of mainboard as+3.3V ,+the 1.5V power supply changes generation by voltage transformation module from+5V by mainboard.
The function of option plate is the control of finishing relay or optocoupler.Relay is mainly used in to the conducting of high-tension closed and disconnected or big current signal with by controlling, and optocoupler then is used for the signal that electric insulation request is arranged is transmitted or controls.The option plate is connected with mainboard through the general double contact pin of 104 cores, and provides required+5V power supply by mainboard.As required, the option plate comprises No. 2 relays and 8 road optocouplers at least, and other backs up No. 2 relays.Control to No. 2 relays is separate.The option plate is required+and the 5V power supply provides by mainboard.
The control circuit of interface board adopts large scale integrated circuit FPGA, and interface drives and adopts my the widely used preferred device 26C31/32 of institute and 26LV31/32 differential driving chip and 74FCT16245 bus driver chip, the good stability of device, long service life.The interface board drive software is fit under Windows NT, Windows2000, the Windows XP environment.
Claims (5)
1, a kind of radar system interface card based on FPGA is characterized in that: comprise mainboard and the interface drive program that drives pci bus is provided.
2, the radar system interface card based on FPGA according to claim 1 is characterized in that: mainboard comprises FPGA online programmable device, A/D conversion chip, D/A conversion chip, interface differential driving chip, interface bus driver.
3, the radar system interface card based on FPGA according to claim 2, it is characterized in that: what FPGA adopted is XC2V1000 online programmable device, that the D/A conversion is adopted is 12 D/A conversion chip AD5320 of serial input, what the A/D conversion was adopted is and 12 A/D conversion chips of line output MAX1310ECM, that differential received adopts is 5V voltage differential received chip AM26C31ID, what difference sent employing is that low-voltage (3.3V) difference sends chip AM26LV32CD, and bus driver adopts 74LVTH162244DL and 74FCT6245TPV.
4, the radar system interface card based on FPGA according to claim 1 is characterized in that: also comprise the option plate, mainly comprise relay and photoelectrical coupler on the option plate; The option plate is connected with mainboard through the general double contact pin of 104 cores.
5, the radar system interface card based on FPGA according to claim 4 is characterized in that: the option plate comprises No. 2 relays and 8 road optocouplers at least, and other backs up No. 2 relays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102357910A CN101424739A (en) | 2008-12-05 | 2008-12-05 | Radar system interface card based on FPGA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102357910A CN101424739A (en) | 2008-12-05 | 2008-12-05 | Radar system interface card based on FPGA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101424739A true CN101424739A (en) | 2009-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNA2008102357910A Pending CN101424739A (en) | 2008-12-05 | 2008-12-05 | Radar system interface card based on FPGA |
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| CN (1) | CN101424739A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176165A (en) * | 2010-12-31 | 2011-09-07 | 中国电子科技集团公司第十四研究所 | Comprehensive and intelligent radar servo system positioning card and method thereof |
| CN102684773A (en) * | 2012-04-20 | 2012-09-19 | 上海卫星工程研究所 | Method for designing high-speed data transmission interfaces of polar-orbit meteorological satellites |
| CN104199618A (en) * | 2014-07-25 | 2014-12-10 | 广东长天思源环保科技股份有限公司 | Universal data collecting interface board |
| CN105158752A (en) * | 2015-06-23 | 2015-12-16 | 中国船舶重工集团公司第七二六研究所 | Photovoltaic conversion device, system and method for signal transmission of towed line array sonar |
| CN105896480A (en) * | 2016-06-14 | 2016-08-24 | 中国船舶重工集团公司第七二三研究所 | Servo control protection circuit |
| CN108923405A (en) * | 2018-08-14 | 2018-11-30 | 中国电子科技集团公司第三十八研究所 | A kind of captive balloon key valve safety control |
-
2008
- 2008-12-05 CN CNA2008102357910A patent/CN101424739A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176165A (en) * | 2010-12-31 | 2011-09-07 | 中国电子科技集团公司第十四研究所 | Comprehensive and intelligent radar servo system positioning card and method thereof |
| CN102176165B (en) * | 2010-12-31 | 2014-05-21 | 中国电子科技集团公司第十四研究所 | Comprehensive and intelligent radar servo system positioning card and method thereof |
| CN102684773A (en) * | 2012-04-20 | 2012-09-19 | 上海卫星工程研究所 | Method for designing high-speed data transmission interfaces of polar-orbit meteorological satellites |
| CN104199618A (en) * | 2014-07-25 | 2014-12-10 | 广东长天思源环保科技股份有限公司 | Universal data collecting interface board |
| CN105158752A (en) * | 2015-06-23 | 2015-12-16 | 中国船舶重工集团公司第七二六研究所 | Photovoltaic conversion device, system and method for signal transmission of towed line array sonar |
| CN105158752B (en) * | 2015-06-23 | 2017-10-24 | 中国船舶重工集团公司第七二六研究所 | Photoelectric conversion device, the system and method for towed linear-array sonar signal transmission |
| CN105896480A (en) * | 2016-06-14 | 2016-08-24 | 中国船舶重工集团公司第七二三研究所 | Servo control protection circuit |
| CN108923405A (en) * | 2018-08-14 | 2018-11-30 | 中国电子科技集团公司第三十八研究所 | A kind of captive balloon key valve safety control |
| CN108923405B (en) * | 2018-08-14 | 2019-12-06 | 中国电子科技集团公司第三十八研究所 | captive balloon key valve safety control device |
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Open date: 20090506 |