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Data transmission method, acquisition card and system based on USB3.0 wire rod

A data transmission method and acquisition card technology, applied in the direction of electrical digital data processing, instruments, etc., can solve the problems of difficult implementation of common equipment, high cost of transmission equipment, etc., and achieve the effect of reducing construction costs, simple structure, and low cost

Pending Publication Date: 2021-03-19
深圳市度申科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This application provides a data transmission method, sensing device, acquisition card and system based on USB3.0 wires, which are used to overcome the high cost of applicable transmission equipment in the prior art USB3.1 Gen2 communication technology, which is difficult to use in common equipment. Based on the existing USB3.0 cable, the data transmission speed between the host and the sensor device can be increased to 10Gb / s, and the cost of the transmission device can be reduced to improve the applicability of the common device.

Method used

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  • Data transmission method, acquisition card and system based on USB3.0 wire rod
  • Data transmission method, acquisition card and system based on USB3.0 wire rod
  • Data transmission method, acquisition card and system based on USB3.0 wire rod

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Embodiment 1

[0088] like figure 1 As shown, the present application discloses an acquisition card based on USB3.0 wires for data transmission, including a PCIE interface, a system controller, a multi-channel buffer, at least one data receiving unit, and multiple USB3.0 interfaces; each data receiving The input end of the unit is connected with a receiver, and the output end is connected with a driver; each data receiving unit includes a command buffer, a command converter, a data controller, at least two parallel data receiving buffers and respectively connected to each data receiving The data receiving converter at the buffer input. The acquisition card here can be a single-chip microcomputer, FPGA, microprocessor and other chips. The PCIE interface can communicate with the host computer through the PCIE bus. Each USB3.0 interface integrates a receiver and a driver inside, and is connected through a USB3.0 wire. A sensing device.

Embodiment 2

[0090] like figure 2As shown, this application discloses a sensing device based on USB3.0 wires for data transmission. The sensing device here includes a sensor and a controller connected to the sensor. The controller can use a chip with data transmission and processing functions such as an MCU. , specifically including a receiver, a command receiver, a command buffer, a system controller, a data receiver, a data buffer, a data controller, at least two parallel data sending channels, and a data sending channel connected to the output of each data sending channel converter. The control terminal of the sensor is connected with the system sensor for receiving control commands, and the data output terminal of the sensor is connected with the data receiver and transmits the collected data under the function of the system controller. Each sensing device includes a USB3.0 interface, and a receiver and a driver are integrated in the USB3.0 interface.

Embodiment 3

[0092] like image 3 As shown, the present application discloses a system for realizing data transmission based on USB3.0 wires, including a host (not shown in the figure), an acquisition card connected through USB3.0 wires, and at least one sensing device (sensing device 1 and Sensing device X), the acquisition card is the sensing device for data transmission based on USB3.0 wire described in any embodiment 1, and the sensing device is the acquisition of data transmission based on USB3.0 wire in any embodiment 2 Card equipment; the driver of the acquisition card is connected to the receiver of one of the sensing devices through the high-speed signal line pair of USB3. Connection; the power interface of the acquisition card is connected with the power interface of the sensor device through the USB3.0 power line.

[0093] The USB3.0 wire in this solution adopts the USB3.1 Gen1 communication wire commonly used in the market. For the wire structure, see Figure 4 , including ul...

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Abstract

The invention discloses a data transmission method, acquisition card and data transmission system based on a USB3.0 wire, and the method comprises the steps: carrying out the communication with a hostthrough a PCIE bus, receiving an acquisition instruction, and transmitting the acquisition instruction to specified sensing equipment through a USB3.0 high-speed signal line pair; two groups of overspeed signal line pairs of the USB3.0 wire communicating with specified sensing equipment and receiving data acquired by the sensor; and converting and analyzing the received data and transmitting thedata to the host through the PCIE bus. The USB 3.0 wire rod is used for overcoming the defects that in the prior art, main equipment is high in cost and difficult to popularize, the data transmissionspeed between a host and sensing equipment is increased to 10 Gb / s on the basis of an existing USB 3.0 wire rod, the cost of transmission equipment is reduced, and the applicability of the USB 3.0 wire rod to common equipment is improved.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a data transmission method, an acquisition card and a system realized based on USB3.0 wires. Background technique [0002] At present, the technologies that can realize 10G communication mainly include wired communication technology based on optical fiber and flash memory communication technology based on USB3.1 Gen2; among them, optical fiber communication is suitable for long-distance transmission, and has the following defects: [0003] The cost of 10G optical fiber itself is high; the fiber is brittle and has poor mechanical strength. The cutting and splicing of optical fibers require certain tools, equipment and technology. The construction is more complicated; and the power line needs to be laid separately. [0004] Flash memory communication is suitable for short-distance transmission; USB3.1 Gen2 communication, the data transmission speed can be increased to a spee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40G06F13/42
CPCG06F13/4072G06F13/4282G06F2213/0026G06F2213/0042
Inventor 聂忠强邹欢腾
Owner 深圳市度申科技有限公司
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