CN210243707U

CN210243707U - Data acquisition and processing device

Info

Publication number: CN210243707U
Application number: CN201920464629.XU
Authority: CN
Inventors: Fengjun Yan; 闫冯军; Ang Li; 李昂; Xiaodi Song; 宋小弟; Xiaojun Cheng; 程小军
Original assignee: Anhui Falcon Wave Technology Co Ltd
Current assignee: Anhui Falcon Wave Technology Co Ltd
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2020-04-03
Anticipated expiration: 2029-04-08

Abstract

The utility model discloses a data acquisition and processing apparatus, include: the shielding isolation box comprises a box body main body and a plurality of groups of installation positioning parts which are uniformly installed on the inner wall of the box body main body, wherein two groups of heat conduction bosses are installed between the plurality of groups of installation positioning parts, a data acquisition and processing board is installed in the space of the shielding isolation box, radiating fins are also installed on the surface of the shielding isolation box and are of a tooth-shaped structure, and the data acquisition and processing board comprises a data acquisition interface module, a clock module, a power supply module, a communication interface module, an FPGA module, a DSP module and a CPLD module. The utility model realizes the telecommunication integration of data acquisition and signal processing based on the high-performance chip and multi-interface design; in addition, the shielding isolation box and the radiating fins of the embodiment are integrally designed, the structure is simple, the electromagnetic compatibility is good, and the structure integrated design of the shielding isolation box and the data acquisition and processing board is further realized.

Description

Data acquisition and processing device

Technical Field

The utility model relates to a data acquisition and signal processing technology field specifically are a data acquisition and processing apparatus.

Background

Intermediate frequency signals (including zero intermediate frequency) are input into a terminal digital system, processing such as anti-interference design, frequency conversion and filtering is required to be carried out, the intermediate frequency signals can be collected in a chip and collected by external equipment, data preprocessing and signal processing are carried out on collected data in the chip or the external equipment, and processed results are sent to other digital systems through a communication interface.

However, the existing data acquisition and processing device has the following problems in the use process: (1) the existing data acquisition and processing device does not adopt an integrated design concept, and a data acquisition subsystem and a signal processing subsystem are relatively independent; (2) the existing data acquisition and processing device is often based on a fixed physical interface, and cannot flexibly perform custom design, so that the application field is greatly limited; (3) the existing data acquisition and processing device has limited data transmission capability and software and hardware processing capability, and cannot meet the requirements of high speed, large bandwidth and large operation; (4) the existing data acquisition and processing device has insufficient testability design, inflexible test and poor real-time performance. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a data acquisition and processing apparatus has solved the problem that proposes in the background art, satisfies the in-service use demand.

In order to achieve the above object, the utility model provides a following technical scheme: a data acquisition and processing apparatus comprising: the shielding isolation box comprises a box body main body and a plurality of groups of installation positioning pieces uniformly installed on the inner wall of the box body main body, two groups of heat conduction bosses are installed between the installation positioning pieces, a data acquisition and processing board is installed in the space of the shielding isolation box, and cooling fins are also installed on the surface of the shielding isolation box and are of a tooth-shaped structure;

the data acquisition and processing board comprises a data acquisition interface module, a clock module, a power supply module, a communication interface module, an FPGA module, a DSP module and a CPLD module.

As a preferred embodiment of the present invention, the shielding isolation box is shielded and isolated from the external space.

As a preferred embodiment of the present invention, the data acquisition and processing board employs a differential LVDS interface and an optical fiber interface.

As a preferred embodiment of the present invention, the clock module adopts differential driving, and the power module adopts a modular circuit.

As an optimized implementation mode of the utility model, the communication interface module adopts the network communication based on the soft core of FPGA and the serial port communication based on IP.

As a preferred embodiment of the present invention, the FPGA module employs an EP4SGX230 chip.

As a preferred embodiment of the present invention, the DSP module employs an ADSP-TS201 chip.

As a preferred embodiment of the present invention, the CPLD module employs an EPM240T100 chip.

As a preferred embodiment of the present invention, the shielding isolation box and the heat sink are integrally designed.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the data acquisition and processing device provided by the embodiment of the utility model is based on a high-performance chip and a multi-interface design, and realizes telecommunication integration of data acquisition and signal processing; in addition, the shielding isolation box and the radiating fins of the embodiment are integrally designed, the structure is simple, the electromagnetic compatibility is good, and the structure integrated design of the shielding isolation box and the data acquisition and processing board is further realized.

2. This data acquisition and processing apparatus can realize collection, signal processing and digital communication to data in a flexible way, high-speed, real time, can be applied to fields such as radar, antagonism and communication to can constitute test system with the host computer, simultaneously, the utility model discloses a shielding box body structural design and heat dissipation design integration have realized data acquisition and signal processing integration, have realized functional design and system test integration

Drawings

Fig. 1 is a schematic diagram showing a three-dimensional structure of a shielding and isolating box according to an embodiment of the present invention;

fig. 2 is a schematic view of an external structure of a shielding isolation box according to an embodiment of the present invention;

FIG. 3 is a schematic plan view of a data acquisition and processing board according to an embodiment of the present invention;

fig. 4 is a schematic diagram of the test according to the embodiment of the present invention.

In the figure, 1-a shielding isolation box, 2-a box body, 3-a mounting positioning piece, 4-a heat conduction boss, 5-a data acquisition and processing board, 6-a heat radiating fin, 7-EP4SGX230 chips, 8-ADSP-TS201 chips and 9-EPM240T100 chips.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the data acquisition and processing device can flexibly, quickly and real-timely realize data acquisition, signal processing and digital communication, can be applied to the fields of radar, countermeasure, communication and the like, and can form a test system with an upper computer.

A data acquisition and processing apparatus comprising: the shielding isolation box 1 comprises a box body main body 2 and a plurality of groups of mounting positioning parts 3 uniformly arranged on the inner wall of the box body main body 2, two groups of heat conduction bosses 4 are arranged between the plurality of groups of mounting positioning parts 3, a data acquisition and processing board 5 is arranged in the space of the shielding isolation box 1, heat radiating fins 6 are also arranged on the surface of the shielding isolation box 1, the heat radiating fins 6 are of a tooth-shaped structure, the box body main body 2 is used for shielding the data acquisition and processing board 5 and plays roles of physical isolation and protection from the outside, the mounting positioning parts 3 are used for fixing the data acquisition and processing board 5 and other external devices and providing the physical space for external connection of the data acquisition and processing board 5, the heat conduction bosses are positioned right above main heat conduction chips FPGA and DSP of the data acquisition and processing board 5 and are used for transmitting heat to the integrated heat radiating to free space, the shielding isolation box 1 is used for shielding various interferences and playing roles of isolating and protecting from external physics, the data acquisition and processing board 5 is used for realizing data acquisition, signal processing and interface communication, and the radiating fin 6 is used for realizing the heat radiation of key heating devices on the data acquisition and processing board 5;

the data acquisition and processing board 5 comprises a data acquisition interface module, a clock module, a power module, a communication interface module, an FPGA module, a DSP module and a CPLD module, wherein the data acquisition interface module is used for acquiring input signals at high speed and with high reliability, the clock module is used for synchronizing internal and external data and providing processing reference time sequence, the power module is used for realizing DC-DC and providing supply of a whole board multi-type power supply, the communication interface module is used for realizing digital communication with an upper computer and other digital terminals, the FPGA module is used for acquiring, preprocessing and processing signals, the DSP module is used for processing the data of the signals, and the CPLD module is used for time sequence management.

Supplementary note 1: the FPGA and DSP module are positioned in the center of the data acquisition and processing board 5 and are superposed with the heat conduction boss 4 of the shielding isolation box 1, and the data acquisition interface module and the communication interface module are positioned at the peripheral edge of the data acquisition and processing board 5.

Further, as shown in fig. 1, the shield isolation box 1 is shielded from the external space.

Further, as shown in fig. 3, the data acquisition and processing board 5 employs a differential LVDS interface and an optical fiber interface.

Further, as shown in fig. 3, the clock module employs differential driving, and the power module employs a modular circuit.

Further, as shown in fig. 3, the communication interface module adopts network communication based on the FPGA soft core and serial communication based on IP.

Further, as shown in fig. 3, the FPGA module employs an EP4SGX230 chip 7.

Further, as shown in fig. 3, the DSP module employs the ADSP-TS201 chip 8.

Further, as shown in fig. 3, the CPLD module employs an EPM240T100 chip 9.

Specifically, as shown in fig. 1, the shielding isolation box 1 and the heat sink 6 are integrally designed.

When in use: the utility model discloses fig. 4 shows that the utility model discloses the test schematic diagram of the embodiment, as shown in fig. 4, signal generator produces required intermediate frequency test signal, through external extension daughter board, inputs to the data acquisition and processing apparatus of the embodiment of the utility model, receives data based on the FPGA of Altera company, and through the embedded instrument SignalTap of host computer development environment Quartus, based on logic design self-defined arbitrary data node, carries out data acquisition and test; network communication is realized through a Nios soft core computer embedded in the FPGA, the Matlab software of the upper computer calls a UDP interface, real-time data of the data acquisition and processing device is read into the Matlab, and online data analysis and test verification are carried out. Meanwhile, the auxiliary test can be further carried out by externally connecting equipment such as a spectrum analyzer, an oscilloscope and the like based on the externally connected extension daughter board. The data acquisition and processing device is powered by a special power supply, and the external expansion daughter board is powered by the data acquisition and processing device.

The product protected by the scheme is put into practical production and application at present, and particularly, the application in the technical field of data acquisition and signal processing is successful to a certain extent, so that the technical scheme of the product is obviously proved to be beneficial, meets social requirements, and is suitable for batch production and popularization and use.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A data acquisition and processing apparatus, comprising: the shielding isolation box (1) comprises a box body main body (2) and a plurality of groups of installation positioning pieces (3) which are uniformly installed on the inner wall of the box body main body (2), two groups of heat conduction bosses (4) are installed between the installation positioning pieces (3), a data acquisition and processing plate (5) is installed in the space of the shielding isolation box (1), radiating fins (6) are further installed on the surface of the shielding isolation box (1), and the radiating fins (6) are of a tooth-shaped structure;

the data acquisition and processing board (5) comprises a data acquisition interface module, a clock module, a power supply module, a communication interface module, an FPGA module, a DSP module and a CPLD module.

2. A data acquisition and processing device according to claim 1, characterized in that: the shielding isolation box (1) is shielded and isolated from the external space.

3. A data acquisition and processing device according to claim 1, characterized in that: the data acquisition and processing board (5) adopts a differential LVDS interface and an optical fiber interface.

4. A data acquisition and processing device according to claim 1, characterized in that: the clock module adopts differential drive, and the power module adopts a modular circuit.

5. A data acquisition and processing device according to claim 1, characterized in that: the communication interface module adopts network communication based on an FPGA soft core and serial port communication based on IP.

6. A data acquisition and processing device according to claim 1, characterized in that: the FPGA module adopts an EP4SGX230 chip (7).

7. A data acquisition and processing device according to claim 1, characterized in that: the DSP module adopts an ADSP-TS201 chip (8).

8. A data acquisition and processing device according to claim 1, characterized in that: the CPLD module adopts an EPM240T100 chip (9).

9. A data acquisition and processing device according to claim 1, characterized in that: the shielding isolation box (1) and the radiating fins (6) are designed into an integrated structure.