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Pulse signal data acquiring system

A technology of signal data and acquisition system, which is applied in the field of pulse signal data acquisition system, can solve the problems of limited number of host slots, inconvenient plugging and unplugging, and low transmission speed, and achieve the effects of good real-time performance, high cost performance and fast data transmission

Inactive Publication Date: 2015-05-27
姜韫英
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] Although the PCI bus and the ISA bus support high-speed transmission, they are inconvenient to plug and unplug, and are also limited by the number of host slots and interrupt resources
RS-232 serial bus connection is simple, but the transmission speed is low, which cannot meet the needs of high-speed data acquisition and transmission

Method used

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Embodiment Construction

[0013] As shown in the figure, the present invention includes a signal conditioning circuit, A / D conversion part, a microcontroller, a USB communication interface, and a PC. The main points of its structure are signal conditioning circuit, A / D conversion part, microcontroller, USB communication interface, PCs are connected in sequence; the analog signal collected by the signal conditioning circuit is sent to the A / D conversion circuit through the signal conditioning circuit and then converted into a digital signal, and then sent to the microcontroller for buffering. When the buffer capacity reaches a prescribed level, the data is packaged and sent Give the USB bus, and then send it to the PC for processing.

[0014] As a preferred solution, the microcontroller of the present invention uses CY7C68013.

[0015] As another preferred solution, the A / D conversion part of the present invention selects the MAX1421 chip.

[0016] CY7C68013 chip has two interface modes: Slave FIFO and pr...

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Abstract

The invention provides a pulse signal data acquiring system, and belongs to the technical field of data acquiring. The pulse signal data acquiring system is high in real-time performance and fast to transmit data. The pulse signal data acquiring system comprises a signal conditioning circuit, an A / D conversion part, a microcontroller, a USB communication interface and a PC. The pulse signal data acquiring system is characterized in that the signal conditioning circuit, the A / D conversion part, the microcontroller, the USB communication interface and the PC are sequentially connected; analogue signals acquired by the signal conditioning circuit are fed into the A / D conversion circuit through the signal conditioning circuit to be converted into digital signals, the digital signals are cached through the microcontroller and packed and transmitted to a USB bus after the caching capacity reaches the specified level, and finally, the packed signals are transmitted to the PC to be processed.

Description

technical field [0001] The invention belongs to the technical field of data acquisition, in particular to a pulse condition signal data acquisition system. Background technique [0002] With the development of science and technology, various data acquisition systems that use microcomputers to collect data have been widely used in industrial production and scientific research, such as the collection of signals such as temperature, pressure, and frequency, so as to facilitate production development and technological progress . The more common data acquisition system communicates with the host computer through PCI bus, ISA bus or RS-232 serial bus. [0003] Although the PCI bus and the ISA bus support high-speed transmission, they are inconvenient to plug and unplug, and are also limited by the number of host slots and interrupt resources. RS-232 serial bus connection is simple, but the transmission speed is low, which cannot meet the needs of high-speed data acquisition and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/02G05B19/042
CPCA61B5/02A61B5/4854A61B5/7225
Inventor 姜韫英
Owner 姜韫英
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