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USB (Universal Serial Bus) interactive interface data acquisition circuit

A technology of data acquisition circuit and interactive interface, applied in the direction of electrical digital data processing, instruments, etc., can solve the problems of system design difficulties and system transplantation difficulties, and achieve the effect of acquisition frequency and acquisition accuracy.

Inactive Publication Date: 2012-02-29
SUZHOU R&D CENT OF NO 214 RES INST OF CHINA NORTH IND GRP
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  • Abstract
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Problems solved by technology

Depending on the manufacturer, the sensor type is different, the measurement range is different, and the interface type is also different: some use voltage output, some use serial port output, some use current output, some use SPI interface output, and some use 4-20mA Interface output... This brings a lot of difficulties to the system design, and also brings a lot of difficulties to the system transplantation

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  • USB (Universal Serial Bus) interactive interface data acquisition circuit
  • USB (Universal Serial Bus) interactive interface data acquisition circuit
  • USB (Universal Serial Bus) interactive interface data acquisition circuit

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Embodiment Construction

[0013] Attached below Figure 1-3 One is to describe the preferred embodiments of the present invention in detail, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0014] In the embodiment of the present invention:

[0015] as attached figure 1 As shown, a USB interactive interface data acquisition circuit, which includes a USB interactive interface, the USB interactive interface has a first input and output port and a second input and output port, and the first input and output port is used to connect with the host to realize data interaction , the second input and output port is connected to the ARM Cortex processor to realize data interaction, and the ARM Cortex processor collects multi-channel sensor signals and converts the multi-channel sensor signals into data and transmits them to the second input and output port o...

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Abstract

The invention discloses a USB (Universal Serial Bus) interactive interface data acquisition circuit which comprises a USB interactive interface, wherein the USB interactive interface is provided with a first input and output port and a second input and output port; the first input and output port and a host computer are connected for realizing data interaction; the second input and output port and an ARM (Advanced Risc Machines) Cortex processor are connected for realizing data interaction; and the ARM Cortex processor acquires multiple paths of sensor signals and converts multiple paths of sensor signals into data for transmitting to the USB interactive interface. Compared with the prior art, the USB interactive interface data acquisition circuit has the advantages of realizing the aim of receiving and processing signals acquired by various interface sensors by using a single processor, not only realizes the acquisition of data but also realizes control on data source acquisition frequency, acquisition precision, and the like by using a USB HID (Human Interface Device) interface.

Description

technical field [0001] The invention relates to a data acquisition circuit, more particularly to a USB interactive interface data acquisition circuit. Background technique [0002] With the rapid development of industries such as Internet of Things, Internet of Vehicles, and Military Internet of Things, the usage of various types of data acquisition systems has increased dramatically, especially sensor data acquisition systems. Depending on the manufacturer, the sensor type is different, the measurement range is different, and the interface type is also different: some use voltage output, some use serial port output, some use current output, some use SPI interface output, and some use 4-20mA Interface output... This brings a lot of difficulties to the system design, and also brings a lot of difficulties to the system transplantation. Based on the above status quo, the present invention utilizes a general interface to realize data collection, processing and transmission. C...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40
Inventor 张勇徐姗姗
Owner SUZHOU R&D CENT OF NO 214 RES INST OF CHINA NORTH IND GRP
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