CN104408213B - A kind of portable data acquisition card - Google Patents
A kind of portable data acquisition card Download PDFInfo
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- CN104408213B CN104408213B CN201410710669.XA CN201410710669A CN104408213B CN 104408213 B CN104408213 B CN 104408213B CN 201410710669 A CN201410710669 A CN 201410710669A CN 104408213 B CN104408213 B CN 104408213B
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Abstract
The invention discloses a kind of portable data acquisition card, data collecting card includes casing and movement circuit, the front panel of described casing is provided with analog input interface, clock input interface, clock output interface, triggering input interface and external difference data signal input interface, and USB interface, RJ45 interfaces, power interface and power supply indicator are provided with the rear board of described casing.4 road AD sampled datas of data collecting card are cached in 4 DDR2 of capture card respectively, after data buffer storage terminates, then in the DMA cachings importeding into MCU by FPGA and MCU interface, host computer is transferred data to eventually through MCU USB3.0 interfaces.The data collecting card of the present invention can be acquired to analog signal, data signal, it would be preferable to support the data acquisition of single channel, binary channels and four-way, while supporting internal clocking and external clock input.
Description
Technical field
The present invention relates to a kind of data collecting card, particularly a kind of portable data acquisition card.
Background technology
Data acquisition, refers to the automatic data collection electricity from the analog- and digital- unit under test such as sensor and other Devices to tests
Or electric quantity signal, it is sent in host computer and is analyzed, is handled.Data collecting system is to combine based on computer or other are special
Flexible, user-defined measuring system is realized with the measurement software and hardware product of test platform.Data collecting card, that is, realize
The computer extender card of data acquisition function, can be accessed by buses such as USB, 485,232, Ethernet, various wireless networks
Personal computer.
Data collecting card is used to be acquired various types of data, with the digitlization of modern comfort direction, informationization
High speed development, data acquisition is stuck in every field and is increasingly widely applied.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of portable data acquisition card, the data are adopted
Truck can be acquired to analog signal, data signal, it would be preferable to support the data acquisition of single channel, binary channels and four-way,
Internal clocking and external clock is supported to input simultaneously, 4 DDR2 of capture card band, every capacity is 256MB, and total amount is 1GB.
The purpose of the present invention is achieved through the following technical solutions：A kind of portable data acquisition card, it includes machine
Shell and movement circuit, the front panel of described casing are provided with analog input interface, clock input interface, clock output and connect
Mouthful, triggering input interface and external difference data signal input interface, be provided with the rear board of described casing USB interface,
RJ45 interfaces, power interface and power supply indicator；
Described movement circuit includes AD converter, FPGA, Clock management chip, DDR2 and MCU, described AD converter
By the data transfer collected to FPGA, FPGA by data buffer storage into DDR2, cache 1S sampled data after, FPGA according to
The data of collection are transferred to MCU by MCU instruction, and MCU is transferred data in USB DMA, transferred data to by USB
Host computer.
Described analog input interface has four tunnels, and described AD converter has two, respectively defeated with two-way analog signal
Enter connection, described DDR2 there are four, each data for storing collection of simulant signal all the way.
Described AD converter uses AD9650-105M, and board Clock management chip selects AD9516, MCU to use
CY3014。
Described USB interface is USB3.0 interfaces, and the external difference data signal input interface is to contain 21 pairs of difference
The J30J interfaces of line, described power interface is the single CH10-5.08-4 interfaces of four cores, and described analog signal input connects
Mouth, clock input interface, clock output interface and triggering input interface use SMA interfaces.
The beneficial effects of the invention are as follows：The invention provides a kind of portable data acquisition card, the data collecting card can
Analog signal, data signal are acquired, it would be preferable to support the data acquisition of single channel, binary channels and four-way, supported simultaneously
Internal clocking and external clock input, 4 DDR2 of capture card band, every capacity is 256MB, and total amount is 1GB.
Brief description of the drawings
Fig. 1 is data collecting card structure chart；
Fig. 2 is data collecting card backplane layout figure；
Fig. 3 is data collecting card circuit diagram；
In figure, 1- casings, 2- analog input interfaces, 3- clock output interfaces, 4- clock input interfaces, 5- triggerings are defeated
Incoming interface, 6- external difference data signal input interfaces, 7- power interfaces, 8-RJ45 interfaces, 9-USB interfaces, 10- power supply instructions
Lamp.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1, Figure 2 and Figure 3, a kind of portable data acquisition card, it includes casing 1 and movement circuit, described
The front panel of casing 1 is provided with analog input interface 2, clock input interface 4, clock output interface 3, triggering input interface
5 and external difference data signal input interface 6, USB interface 9, RJ45 interfaces 8, electricity are provided with the rear board of described casing 1
Source interface 7 and power supply indicator 10；
Described movement circuit includes AD converter, FPGA, Clock management chip, DDR2 and MCU, described AD converter
By the data transfer collected to FPGA, FPGA by data buffer storage into DDR2, cache 1S sampled data after, FPGA according to
The data of collection are transferred to MCU by MCU instruction, and MCU is transferred data in USB DMA, transferred data to by USB
Host computer.
Described analog input interface has four tunnels, and described AD converter has two, respectively defeated with two-way analog signal
Enter connection, described DDR2 there are four, each data for storing collection of simulant signal all the way.
Described AD converter uses AD9650-105M, and board Clock management chip selects AD9516, MCU to use
CY3014。
Described USB interface is USB3.0 interfaces, and the external difference data signal input interface is to contain 21 pairs of difference
The J30J interfaces of line, described power interface is the single CH10-5.08-4 interfaces of four cores, and described analog signal input connects
Mouth, clock input interface, clock output interface and triggering input interface use SMA interfaces.
4 road AD sampled datas of data collecting card are cached in 4 DDR2 of capture card respectively, after data buffer storage terminates, then
In the DMA cachings being imported into MCU by FPGA and MCU interface, eventually through MCU USB3.0 interfaces by data transfer
To host computer.Clock management chip selects AD9516, supports 2 road external clocks inputs, and clock output can be by FPGA SPI
Interface is configured, and realizes 56MHz, 70MHz and 100MHz sampling clock of sampling request.Signal acquisition is in the upper of trigger signal
Rise along collection is started, sampled point aligns with trigger signal, the reserved J30J interfaces in outside connect the digital differential letter directly inputted
Number, for directly caching transmission data signal, board reserves RJ45 interfaces and realizes serial data communication, is easy to debugging.
Claims (2)
1. a kind of portable data acquisition card, it is characterised in that：It includes casing（1）And movement circuit, described casing（1）'s
Front panel is provided with analog input interface（2）, clock input interface（4）, clock output interface（3）, triggering input interface
（5）With external difference data signal input interface（6）, described casing（1）Rear board on be provided with USB interface（9）、RJ45
Interface（8）, power interface（7）And power supply indicator（10）；
Described movement circuit include AD9650-105M types AD converter, FPGA, AD9516 Clock management chip, DDR2 and
CY3014 types MCU, described AD converter starts collection in the rising edge of trigger signal, and sampled point aligns with trigger signal, will
The data transfer collected is to FPGA, and FPGA is by data buffer storage into DDR2, and after the sampled data for caching 1S, FPGA is according to MCU
Instruction the data of collection are transferred to MCU, MCU is transferred data in USB DMA, is transferred data to by USB upper
Machine；
Described USB interface is USB3.0 interfaces, and the external difference data signal input interface is containing 21 pairs of differential lines
J30J interfaces, described power interface is the single CH10-5.08-4 interfaces of four cores, described analog input interface, when
Clock input interface, clock output interface and triggering input interface use SMA interfaces.
2. a kind of portable data acquisition card according to claim 1, it is characterised in that：Described analog signal input connects
The tunnels of Kou You tetra-, described AD converter has two, is respectively connected with the input of two-way analog signal, described DDR2 has four, respectively deposits
Store up the data of collection of simulant signal all the way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710669.XA CN104408213B (en) | 2014-11-28 | 2014-11-28 | A kind of portable data acquisition card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410710669.XA CN104408213B (en) | 2014-11-28 | 2014-11-28 | A kind of portable data acquisition card |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104408213A CN104408213A (en) | 2015-03-11 |
| CN104408213B true CN104408213B (en) | 2017-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410710669.XA Active CN104408213B (en) | 2014-11-28 | 2014-11-28 | A kind of portable data acquisition card |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106886206A (en) * | 2015-12-15 | 2017-06-23 | 西安富成防务科技有限公司 | A kind of missile-borne computer product Auto-Test System |
| CN107909798A (en) * | 2017-10-27 | 2018-04-13 | 深圳航天东方红海特卫星有限公司 | A kind of portable collection of multi analogy channel signal device of microsatellite |
| CN110008172A (en) * | 2019-04-02 | 2019-07-12 | 广东高云半导体科技股份有限公司 | A kind of system on chip |
| CN110347623A (en) * | 2019-07-10 | 2019-10-18 | 合肥金新允电子技术有限公司 | A kind of portable data acquisition card structure |
| CN111444131B (en) * | 2020-03-23 | 2023-03-14 | 电子科技大学 | Data acquisition and transmission device based on USB3.0 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201188664Y (en) * | 2008-01-22 | 2009-01-28 | 太原理工天成电子信息技术有限公司 | Multi-format analysis card for acquiring video signal |
| CN104361143A (en) * | 2014-11-28 | 2015-02-18 | 成都龙腾中远信息技术有限公司 | Portable data acquisition card and method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69827528T2 (en) * | 1998-09-15 | 2005-11-10 | Acqiris | MODULAR DATA ACQUISITION SYSTEM |
-
2014
- 2014-11-28 CN CN201410710669.XA patent/CN104408213B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201188664Y (en) * | 2008-01-22 | 2009-01-28 | 太原理工天成电子信息技术有限公司 | Multi-format analysis card for acquiring video signal |
| CN104361143A (en) * | 2014-11-28 | 2015-02-18 | 成都龙腾中远信息技术有限公司 | Portable data acquisition card and method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 基于FPGA的多通道高速数据采集系统;吴越等;《雷达科学与技术》;20121231;第10卷(第6期);摘要，第672页左栏第3段-第676页左栏第2段，图1、3 * |
| 基于USB+FPGA的四通道数据采集系统设计;郑文超等;《科技资讯》;20100210(第4期);第61页第1栏第1段-第3栏第6段，图1 * |
| 基于USB2.0和DDR2的数据采集系统设计与FPGA实现;刘勇等;《电子元器件应用》;20101031;第12卷(第10期);第48页右栏第2段-50页右栏第2段 * |
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| CN104408213A (en) | 2015-03-11 |
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Effective date of registration: 20190327 Address after: Room 125, 1st Building, 6 Building, 4299 Jindu Road, Minhang District, Shanghai 201108 Patentee after: Shanghai Taiyu information technology Limited by Share Ltd Address before: 610000 No. 88 Tianchen Road, Chengdu High-tech Zone, Sichuan Province Patentee before: Chengdu Longteng Zhongyuan Information Technology Co., Ltd. |