CN210470062U - Data acquisition card based on FPGA vision chip - Google Patents

Abstract

The utility model discloses a data acquisition card based on FPGA vision chip, it includes a fixed frame and sets up the first PCB board in fixed frame, second PCB board and third PCB board, first PCB board, second PCB board and third PCB board equidistance setting on vertical direction, be equipped with peripheral circuit and peripheral interface on the first PCB board, be equipped with vice FPGA vision chip and CPU control chip on the second PCB board, be equipped with main FPGA vision chip on the third PCB board, data compression chip and polylith pass through the configuration chip that public bus and main FPGA vision chip are connected, main FPGA vision chip is connected with wireless data transmission module. The utility model discloses a data acquisition card can reduce data acquisition card's face area widely, connects through terminal socket, can make the terminal line more regular, is convenient for maintain, applicable visual identification in the picture that high definition digtal camera shot can dispose out nimble processing operational capability, when practicing thrift the hardware cost, adaptable different in-service use demands.

Description

Data acquisition card based on FPGA vision chip

Technical Field

The utility model relates to a visual identification data acquisition card's hardware structure field, concretely relates to data acquisition card based on FPGA visual chip.

Background

The FPGA vision chip is commonly used in the field of computer vision, and the CNN-based vision processing algorithm is effectively integrated with FPGA chip hardware equipment, so that the aim of high-efficiency and low-power-consumption vision calculation can be fulfilled, and a more intelligent vision calculation solution is provided for the field of intelligent safety. With the increasingly wide application field of machine intelligent identification, the existing visual identification data acquisition card is increasingly applied to the civil field, such as automobiles, unmanned aerial vehicles and the like, and when the visual identification data acquisition card is applied to equipment with larger mechanical vibration or with requirements on the area size of the data acquisition board, the hardware structure design of the visual identification data acquisition card needs to be correspondingly improved. In addition, with the improvement of the hardware quality of the camera, the definition of the shot image is higher and higher during the identification, correspondingly, the data volume is larger and larger, and higher requirements are provided for the comprehensive processing and computing capability of the visual identification data acquisition card.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect that above-mentioned technique exists, the utility model provides an integrated level is high, and the PCB area is little, based on FPGA vision chip's data acquisition card.

The utility model discloses realize that the technical scheme that above-mentioned technological effect adopted is:

the utility model provides a data acquisition card based on FPGA vision chip, is in including a fixed frame and setting first PCB board, second PCB board and third PCB board in the fixed frame, first PCB board the second PCB board with third PCB board equidistant setting in vertical direction, be equipped with peripheral circuit and peripheral interface on the first PCB board, be equipped with vice FPGA vision chip and CPU control chip on the second PCB board, be equipped with on the third PCB board main FPGA vision chip, data compression chip and polylith pass through public bus with the configuration chip that main FPGA vision chip is connected, main FPGA vision chip is connected with wireless data transmission module.

Preferably, in the data acquisition card based on the FPGA vision chip, the number of the configuration chips is three, the number of the main FPGA vision chips is three, the three main FPGA vision chips are integrated on the third PCB through a tower-type support, and the three configuration chips are connected with the three main FPGA vision chips in a one-to-one correspondence manner.

Preferably, in the data acquisition card based on the FPGA vision chip, terminal sockets are disposed on side edges of the first PCB, the second PCB and the third PCB, and the first PCB, the second PCB and the third PCB are plugged into the terminal sockets through terminal wires for data communication.

Preferably, in the data acquisition card based on the FPGA vision chip, four corners of the first PCB, the second PCB and the third PCB are fixedly connected through connecting columns, and a shock-absorbing sleeve gasket is sleeved at a joint.

Preferably, in foretell data acquisition card based on FPGA vision chip, fixed frame includes the bottom plate frame, is located the side frame of the bottom plate frame left and right sides, and connect bottom plate frame and two the rear side frame of side frame, the bottom plate frame the side frame with the rear side frame is the plastic plate frame of fretwork.

Preferably, in the data acquisition card based on the FPGA vision chip, a horizontally bent step portion is disposed along an upper plate of the side frame, and a sunken-type placement groove is disposed on an upper surface of the step portion.

Preferably, in the data acquisition card based on the FPGA vision chip, the third PCB is further provided with an expansion seat for configuring an expansion chip.

Preferably, in the above data acquisition card based on the FPGA vision chip, the lower surface of the bottom plate frame is provided with an elastic glue column, and the outer side surfaces of the bottom plate frame, the side frames and the rear side frame are provided with screw holes.

The utility model has the advantages that: the utility model discloses a data acquisition card is through setting up three layer construction's PCB board, establishes peripheral circuit and peripheral interface on first PCB board respectively, establishes vice FPGA vision chip and CPU control chip on the second PCB board, establishes main FPGA vision chip, data compression chip and polylith and the configuration chip that main FPGA vision chip is connected on the third PCB board, can reduce widely when using single PCB board, data acquisition card's face area. Through establishing the terminal socket on the side edge of first PCB board, second PCB board and third PCB board, can carry out data communication with each PCB board, connect through terminal socket, can make the terminal line more regular, be convenient for maintain. The utility model discloses a data acquisition card can be applicable to the visual identification of the picture that high definition digtal camera shot, can dispose out nimble processing operational capability, when practicing thrift the hardware cost, adaptable different in-service use demands.

Drawings

FIG. 1 is a perspective view of the present invention

Fig. 2 is a perspective view of the present invention at a viewing angle;

fig. 3 is a perspective view of the present invention from another viewing angle.

Detailed Description

For a further understanding of the invention, reference is made to the following description taken in conjunction with the accompanying drawings and specific examples, in which:

in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to fig. 3, the embodiment of the present invention provides a data acquisition card based on FPGA vision chip, which includes a fixed frame 1, and a first PCB 2, a second PCB 3 and a third PCB 4 disposed in the fixed frame 1. The first PCB 2, the second PCB 3 and the third PCB 4 are arranged at equal intervals in the vertical direction. The first PCB 2 is provided with a peripheral circuit and a peripheral interface, the peripheral circuit is a peripheral circuit in the prior art and includes a power circuit, an interface circuit, and the like, and the peripheral interface at least includes a USB interface 21 and a charging interface 22. And the second PCB 3 is provided with an auxiliary FPGA visual chip 31 and a CPU control chip, and the auxiliary FPGA visual chip 31 is in redundant arrangement and is connected with the CPU control chip. The third PCB 4 is provided with a main FPGA vision chip, a data compression chip 41 and a plurality of configuration chips 42 connected with the main FPGA vision chip through a common bus 44, and the main FPGA vision chip is connected with a wireless data transmission module 43. The configuration chip 42 can write the configuration data stored in the memory period into the main FPGA vision chip, and the rapid and accurate dynamic configuration is completed. The CPU control chip is connected with the three main FPGA visual chips and is used for outputting and receiving control instructions and command requests. The data compression chip 41 is used for compressing the data for identifying the transportation process and then transmitting the data to the background server through the wireless data transmission module 43. In the preferred embodiment of the present invention, the data compression chip 41 is a compression chip with a model of 1000 pci express.

Further, in the preferred embodiment of the present invention, the configuration chip 42 is three, the main FPGA vision chip is three, three main FPGA vision chips are integrated on the third PCB 4 through the tower, and three configuration chips 42 are connected with three main FPGA vision chips in a one-to-one correspondence. First PCB board 2 second PCB board 3 with the side of third PCB board 4 is followed and all is equipped with terminal socket 6, and first PCB board 2, second PCB board 3 and third PCB board 4 are pegged graft through the terminal line and are carried out data communication on terminal socket 6 each other. Through establishing the terminal socket 6 on the side edge of first PCB board 2, second PCB board 3 and third PCB board 4, can carry out data communication with each PCB board, connect through terminal socket 6, can make the terminal line more regular, be convenient for maintain.

Further, in the preferred embodiment of the present invention, the four corners of the first PCB 2, the second PCB 3 and the third PCB 4 are fixedly connected to each other by the connecting post 5, and the connecting portion is covered with a shock-absorbing pad. The fixed frame 1 includes a bottom frame 11, side frames 12 positioned at left and right sides of the bottom frame 11, and a rear side frame 13 connecting the bottom frame 11 and the two side frames 12. The bottom plate frame 11, the side frame 12 and the rear side frame 13 are all hollow plastic plate frames. The upper plate edge of the side frame 12 is provided with a horizontally bent step part 121, the upper surface of the step part 121 is provided with a sunken type placing groove 1211, and the fixing frame 1 can be conveniently, quickly and stably connected in an expanding way or fixed externally through the fixing frame 1 and the placing groove 1211 on the upper plate edge of the side frame 12. In order to further reduce the influence of the vibration of the device on the electronic component, the lower surface of the bottom plate frame 11 is provided with the elastic glue columns 7, the outer side surfaces of the bottom plate frame 11, the side frames 12 and the rear side frame 13 are provided with screw holes 8, and the whole fixed frame 1 can be firmly fixed on the application device through the screw holes 8 on the outer peripheral side surface. In order to flexibly meet different operation processing requirements, the third PCB 4 is further provided with an extension socket 45 for configuring an extension chip, and other FPGA vision chips can be extended through the extension socket 45.

To sum up, the utility model discloses a data acquisition card is through setting up three layer construction's PCB board, establishes peripheral circuit and peripheral interface on first PCB board respectively, establishes vice FPGA vision chip and CPU control chip on the second PCB board, establishes main FPGA vision chip, data compression chip and polylith and the configuration chip that main FPGA vision chip is connected on the third PCB board, can reduce widely when using single PCB board, data acquisition card's face area. Through establishing the terminal socket on the side edge of first PCB board, second PCB board and third PCB board, can carry out data communication with each PCB board, connect through terminal socket, can make the terminal line more regular, be convenient for maintain. The utility model discloses a data acquisition card can be applicable to the visual identification of the picture that high definition digtal camera shot, can dispose out nimble processing operational capability, when practicing thrift the hardware cost, adaptable different in-service use demands.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the foregoing embodiments and the description with reference to the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended that all such changes and modifications fall within the scope of the invention as claimed, which is defined by the claims appended hereto and their equivalents.

Claims (8)

1. The utility model provides a data acquisition card based on FPGA vision chip, its characterized in that includes a fixed frame (1) and sets up first PCB board (2), second PCB board (3) and third PCB board (4) in fixed frame (1), first PCB board (2) second PCB board (3) with third PCB board (4) equidistant setting in vertical direction, be equipped with peripheral circuit and peripheral interface on first PCB board (2), be equipped with vice FPGA vision chip (31) and CPU control chip on second PCB board (3), be equipped with on third PCB board (4) main FPGA vision chip, data compression chip (41) and polylith through common bus (44) with configuration chip (42) that main FPGA vision chip is connected, main FPGA vision chip is connected with wireless data transmission module (43).

2. The FPGA visual chip-based data acquisition card according to claim 1, wherein the configuration chip (42) comprises three main FPGA visual chips, the three main FPGA visual chips are integrated on the third PCB (4) through a tower support, and the three configuration chips (42) are correspondingly connected with the three main FPGA visual chips.

3. The FPGA visual chip-based data acquisition card according to claim 1, wherein the first PCB (2), the second PCB (3) and the third PCB (4) are respectively provided with a terminal socket (6) at the side edges thereof, and the first PCB (2), the second PCB (3) and the third PCB (4) are plugged into the terminal sockets (6) through terminal wires for data communication.

4. The FPGA vision chip-based data acquisition card of claim 1, wherein four corners of the first PCB (2), the second PCB (3) and the third PCB (4) are fixedly connected through a connecting column (5), and a shock absorption sleeve gasket is sleeved at the connecting position.

5. The FPGA vision chip-based data acquisition card according to claim 1, wherein the fixed frame (1) comprises a bottom plate frame (11), side frame members (12) located at the left and right sides of the bottom plate frame (11), and a rear side frame (13) connecting the bottom plate frame (11) and the two side frame members (12), wherein the bottom plate frame (11), the side frame members (12) and the rear side frame members (13) are hollow plastic plate frames.

6. The FPGA visual chip-based data acquisition card according to claim 5, wherein the upper plate edge of the side frame (12) is provided with a horizontally bent step part (121), and the upper surface of the step part (121) is provided with a sunken placement groove (1211).

7. The FPGA-based visual chip data acquisition card according to claim 1, wherein the third PCB board (4) is further provided with an expansion seat (45) for configuring an expansion chip.

8. The FPGA visual chip-based data acquisition card according to claim 5, wherein the lower surface of the base frame (11) is provided with elastic glue columns (7), and the outer side surfaces of the base frame (11), the side frames (12) and the rear side frame (13) are provided with screw holes (8).

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