Multichannel data acquisition system

A technology of data acquisition system and data acquisition module, which is applied in the field of electronic information communication, can solve the problems of easy crosstalk of signals and low efficiency of data acquisition, and achieve the effect of improving accuracy

Active Publication Date: 2018-06-01
苏州感闻环境科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] A further object of the present invention is to solve the technical problem of low efficiency of data acquisition by a single data acquisition module in the pri

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Embodiment Construction

[0038] figure 1 A schematic schematic diagram of a multi-channel data acquisition system according to an embodiment of the present invention is shown. like figure 1 As shown, the multi-channel data acquisition system may include a power supply, M groups of sensor chips and a data acquisition module. Each group of sensor chips is composed of N sensor units. The data acquisition module includes at least N channels, at least M input ports and at least N output ports. N channels correspond to N sensor units respectively, each input port is connected to at least N channels, M input ports correspond to M groups of sensor chips respectively, and each of the M input ports can be The corresponding set of sensor chips are connected on and off. The N output ports correspond to the N sensor units respectively, and each output port is connected to at least one of the N channels, and can be connected to the ground wire in an on-off manner. The power supply is configured to supply power...

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Abstract

The invention provides a multichannel data acquisition system, which comprises a power supply, M groups of sensor chips and a data acquisition module, wherein each group of sensor chips is composed ofN sensor units; the data acquisition module comprises at least N channels, at least M input ports and at least N output ports; each input port can be connected with one corresponding group of sensorchips in a connection or disconnection mode; each output port is connected with one channel in the at least N channels and can be connected with a ground wire in a connection or disconnection mode; the at least N output ports are configured to be allowed to be connected with the ground wire at the same time, and thus, when one input port is connected with one corresponding group of sensor chips, data of the N sensor units on the group of sensor chips can be acquired at the same time; or, the at least N output ports are configured to select one or multiple output ports to be connected with theground wire, and thus, when one input port is connected with one corresponding group of sensor chips, data of one or multiple corresponding sensor units on the group of sensor chips can be acquired.

Description

technical field [0001] The invention relates to the technical field of electronic information communication, in particular to a multi-channel data acquisition system. Background technique [0002] Distributed test systems with a large number of test terminals are widely used in industrial production. Among them, the task of the multi-channel data acquisition and test system is to collect the analog signals output by the sensors and convert them into digital signals that can be recognized by the computer, and send them to the computer. The computer can perform operations such as display or transformation on the obtained data. [0003] At present, the number of channels of the data acquisition card is limited. When it is necessary to collect data from a large number of sensors, it is usually after the data of a batch of sensors is collected, and then another batch of sensors is used for data collection, and so on, until the collection data from all sensors. Obviously, this m...

Claims

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Application Information

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IPC IPC(8): G05B19/042
CPCG05B19/0425G05B2219/2612
Inventor 孙旭辉鲁一江张永超张书敏顾元斌徐瑞熊金龙蔡晓娟
Owner 苏州感闻环境科技有限公司
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