WO2016201756A1 - 多通道数据采集与测试系统 - Google Patents

多通道数据采集与测试系统 Download PDF

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WO2016201756A1
WO2016201756A1 PCT/CN2015/084065 CN2015084065W WO2016201756A1 WO 2016201756 A1 WO2016201756 A1 WO 2016201756A1 CN 2015084065 W CN2015084065 W CN 2015084065W WO 2016201756 A1 WO2016201756 A1 WO 2016201756A1
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data
channel
collected
tested
module
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刘谋
孟真
张兴成
唐璇
阎跃鹏
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Institute of Microelectronics of CAS
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    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/40—Data acquisition and logging

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  • the present invention relates to the field of data acquisition technologies, and in particular, to a multi-channel data acquisition and test system.
  • a distributed test system with a large number of test terminals has a wide range of applications in industrial production.
  • the task of the multi-channel data acquisition and test system is to convert the analog signals output by the sensors into digital signals recognizable by the computer and send them to the computer.
  • the computer can display or transform the obtained data.
  • each channel occupies 256 Mbytes of storage space.
  • the storage size is still 256 Mbytes, and the remaining bytes cannot be occupied. It can be seen that the storage space utilization rate of the existing multi-channel data acquisition system is relatively low.
  • the invention provides a multi-channel data acquisition and test system, which improves the utilization of the system storage space by dynamically adjusting the data length of the channel to be acquired and each channel to be acquired.
  • the present invention provides a multi-channel data acquisition and test system, which includes a host computer and a multi-channel data acquisition card, wherein
  • the upper computer is configured to set a data control command, send the data control command to the multi-channel data acquisition card, and test the data to be tested received from the multi-channel data acquisition card;
  • the multi-channel data acquisition card is configured to strobe a channel to be acquired and set a data length of each channel to be acquired according to a data control command sent by the host computer, based on the gated channel to be collected and the set Data length of each channel to be collected is collected and stored, and the data to be tested is sent to the host computer;
  • the data control command includes the number of channels to be collected, the data length of each channel to be collected, the collection start indication information, the collection end indication information, and the collection reset indication information.
  • the multi-channel data acquisition and testing system comprises a host computer and a multi-channel data acquisition card, wherein the upper computer is configured to set a data control command, and send the data control command to the multi-channel data acquisition a card, and testing the data to be tested received from the multi-channel data acquisition card; the multi-channel data acquisition card is configured to strobe the channel to be acquired and set each according to the data control command sent by the upper computer
  • the data length of the channel to be collected is collected and stored according to the data length of the channel to be collected and the data length of each channel to be collected, and the data to be tested is sent to the host computer.
  • the data stream can be integrated in real time according to different selection channels, and the storage mode is adjusted, and the storage structure is dynamically adjusted without changing the overall storage capacity.
  • the data length can be relatively increased; when there are many data acquisition channels, multiple channels can be equally allocated storage space. In summary, it can improve the utilization of the storage space of the existing multi-channel data acquisition and test system.
  • FIG. 1 is a schematic structural diagram of an embodiment of a multi-channel data acquisition and test system according to the present invention
  • FIG. 2 is a schematic structural view of another embodiment of a multi-channel data acquisition and test system according to the present invention.
  • an embodiment of the present invention provides a multi-channel data acquisition and testing system, where the system includes a host computer 1 and a multi-channel data acquisition card 2, wherein
  • the upper computer 1 is configured to set a data control command, send the data control command to the multi-channel data acquisition card 2, and test the data to be tested received from the multi-channel data acquisition card;
  • the multi-channel data acquisition card 2 is configured to strobe the channel to be acquired and set the data length of each channel to be acquired according to the data control command sent by the host computer 1, based on the gated channel to be acquired and each of the settings The data length of the channel to be collected is collected and stored, and the data to be tested is sent to the host computer 1;
  • the data control command includes the number of channels to be collected, the data length of each channel to be collected, the collection start indication information, the collection end indication information, and the collection reset indication information.
  • the multi-channel data acquisition and test system includes a host computer and a multi-channel data acquisition card, wherein the upper computer is configured to set a data control command, and send the data control command to the multi-channel a data acquisition card, and testing the data to be tested received from the multi-channel data acquisition card; the multi-channel data acquisition card is configured to strobe the channel to be acquired and set according to the data control command sent by the upper computer.
  • the data length of each channel to be collected is collected and stored according to the data length of the channel to be collected and the data length of each channel to be collected, and the data to be tested is sent to the host computer.
  • the data stream can be integrated in real time according to different selection channels, and the storage mode is adjusted, and the storage structure is dynamically adjusted without changing the overall storage capacity.
  • the data channel is selected less Can increase the data collected relatively long Degrees; when there are many data acquisition channels, multiple channels can be equally allocated storage space. In summary, it can improve the utilization of the storage space of the existing multi-channel data acquisition and test system.
  • an embodiment of the present invention provides a multi-channel data acquisition and test system, where the system includes a host computer 1 and a multi-channel data acquisition card 2, and the multi-channel data acquisition card 2 includes a data command control module 21.
  • the data command control module 21 is configured to determine, according to the data control command sent by the upper computer 1, the number of channels to be acquired and the data length of each channel to be collected, and strobe the channel to be acquired and set each channel to be collected. Data length.
  • the data control command includes the number of channels to be collected, the data length of each channel to be collected, the collection start indication information, the collection end indication information, and the collection reset indication information.
  • the number of channels to be collected may be one or more.
  • the data length of each channel to be acquired may be an appropriate value according to the storage space of the memory module 24, if data acquisition is selected. The number of channels is small, and the data length of each channel to be acquired can be appropriately increased. If there are many channels for data acquisition, the data length of each channel to be acquired can be appropriately reduced.
  • the data flow module 22 is configured to perform, according to the data length of the channel to be collected that is controlled by the data command control module 21 and the channel to be collected, and the data to be tested sent by the data input module 23 to be tested. Receiving and transmitting the received data to be tested to the memory module 24.
  • the memory module 24 is configured to store the received data to be tested according to the storage control command of the storage control module 25, and upload the stored data to be tested to the upper computer.
  • the host computer 1 is configured to test the data to be tested sent by the memory module 24.
  • the multi-channel data acquisition and test system provided by the embodiment of the present invention can perform the whole data flow in real time according to different selection channels, and adjust the storage mode.
  • the storage structure is dynamically adjusted.
  • the number of data channels is small, the data length can be relatively increased.
  • multiple channels can be equally allocated storage space. Improves the utilization of storage space in existing multi-channel data acquisition and test systems.

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Abstract

一种多通道数据采集与测试系统，涉及数据采集技术领域，解决了现有多通道数据采集与测试系统存在存储空间利用率比较低的缺陷。所述系统包括上位机（1）和多通道数据采集卡（2），所述上位机（1），用于设置数据控制命令，发送所述数据控制命令给所述多通道数据采集卡（2），以及对所述多通道数据采集卡（2）接收到的待测数据进行测试；所述多通道数据采集卡（2），用于根据所述上位机（1）发送的数据控制命令选通待采集通道和设置每个待采集通道的数据长度，基于选通的待采集通道和设置的每个待采集通道的数据长度对待测数据进行采集并存储，以及向所述上位机（1）发送所述待测数据。

Description

多通道数据采集与测试系统 技术领域
本发明涉及数据采集技术领域，尤其涉及一种多通道数据采集与测试系统。
背景技术
含有大量测试终端的分布式测试系统在工业生产中具有广泛的应用，其中，多通道数据采集与测试系统的任务是采集传感器输出的模拟信号转换成计算机能够识别的数字信号，并发送到计算机，计算机可以对得到的数据进行显示或变换等操作。
在实现本发明的过程中，发明人发现现有技术中至少存在如下技术问题：
目前存在的多通道数据采集系统采集数据时，每个通道所占用的存储空间是固定的。例如：存储空间为1024M字节的4通道采集卡，每通道占用256M字节存储空间，当选用其中一个通道时，存储大小依然是256M字节，其余的剩余字节不能占用。可见，现有的多通道数据采集系统的存储空间利用率比较低。
发明内容
本发明提供一种多通道数据采集与测试系统，其通过动态调整待采集通道以及每个待采集通道的数据长度，来提高系统存储空间的利用率。
本发明提供一种多通道数据采集与测试系统，所述系统包括上位机和多通道数据采集卡，其中，
所述上位机，用于设置数据控制命令，发送所述数据控制命令给所述多通道数据采集卡，以及对从所述多通道数据采集卡接收到的待测数据进行测试；
所述多通道数据采集卡，用于根据所述上位机发送的数据控制命令选通待采集通道和设置每个待采集通道的数据长度，基于选通的待采集通道和设置的 每个待采集通道的数据长度对待测数据进行采集并存储，以及向所述上位机发送所述待测数据；
其中，所述数据控制命令包括待采集通道数、每个待采集通道的数据长度、采集开始指示信息、采集结束指示信息和采集复位指示信息。
本发明提供的多通道数据采集与测试系统，所述系统包括上位机和多通道数据采集卡，所述上位机，用于设置数据控制命令，发送所述数据控制命令给所述多通道数据采集卡，以及对从所述多通道数据采集卡接收到的待测数据进行测试；所述多通道数据采集卡，用于根据所述上位机发送的数据控制命令选通待采集通道和设置每个待采集通道的数据长度，基于选通的待采集通道和设置的每个待采集通道的数据长度对待测数据进行采集并存储，以及向所述上位机发送所述待测数据。与现有技术相比，其能够根据选择通道的不同，来实时进行数据流的整体，并对存储模式进行调整，在不改变总体存储容量的前提下，动态调整存储结构，当选择数据通道少时，能相对增加采集的数据长度；当数据采集通道较多时，可以使多个通道平均分配存储空间，综上，其能够提高现有多通道数据采集与测试系统的存储空间的利用率。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单的介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明多通道数据采集与测试系统一实施例的结构示意图；
图2为本发明多通道数据采集与测试系统另一实施例的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
如图1所示，本发明实施例提供一种多通道数据采集与测试系统，所述系统包括上位机1和多通道数据采集卡2，其中，
所述上位机1，用于设置数据控制命令，发送所述数据控制命令给所述多通道数据采集卡2，以及对从所述多通道数据采集卡接收到的待测数据进行测试；
所述多通道数据采集卡2，用于根据所述上位机1发送的数据控制命令选通待采集通道和设置每个待采集通道的数据长度，基于选通的待采集通道和设置的每个待采集通道的数据长度对待测数据进行采集与存储，以及向所述上位机1发送所述待测数据；
其中，所述数据控制命令包括待采集通道数、每个待采集通道的数据长度、采集开始指示信息、采集结束指示信息和采集复位指示信息。
本发明实施例提供的多通道数据采集与测试系统，所述系统包括上位机和多通道数据采集卡，所述上位机，用于设置数据控制命令，发送所述数据控制命令给所述多通道数据采集卡，以及对从所述多通道数据采集卡接收到的待测数据进行测试；所述多通道数据采集卡，用于根据所述上位机发送的数据控制命令选通待采集通道和设置每个待采集通道的数据长度，基于选通的待采集通道和设置的每个待采集通道的数据长度对待测数据进行采集并存储，以及向所述上位机发送所述待测数据。与现有技术相比，其能够根据选择通道的不同，来实时进行数据流的整体，并对存储模式进行调整，在不改变总体存储容量的前提下，动态调整存储结构，当选择数据通道少时，能相对增加采集的数据长 度；当数据采集通道较多时，可以使多个通道平均分配存储空间，综上，其能够提高现有多通道数据采集与测试系统的存储空间的利用率。
如图2所示，本发明实施例提供一种多通道数据采集与测试系统，所述系统包括上位机1和多通道数据采集卡2，所述多通道数据采集卡2包括数据命令控制模块21、数据流模块22、待测数据输入模块23、存储器模块24和存储器控制模块25。
所述数据命令控制模块21，用于根据所述上位机1发送的数据控制命令确定待采集通道数和每个待采集通道的数据长度，并选通待采集通道和设置每个待采集通道的数据长度。
其中，所述数据控制命令包括待采集通道数、每个待采集通道的数据长度、采集开始指示信息、采集结束指示信息和采集复位指示信息。
具体地，所述待采集通道数可以是一个或多个，相应地，每个待采集通道的数据长度可以是根据所述存储器模块24的存储空间大小来选择合适的数值，如果选择数据采集的通道少，每个待采集通道的数据长度可以适当变大，如果选择数据采集的通道多，每个待采集通道的数据长度可以适当变小。
所述数据流模块22，用于根据所述数据命令控制模块21选通的待采集通道和设置的每个待采集通道的数据长度，对所述待测数据输入模块23发送的待测数据进行接收，并将所接收到的待测数据发送给所述存储器模块24。
所述存储器模块24，用于根据所述存储控制模块25的存储控制命令对所述接收到的待测数据进行存储，以及将所存储的待测数据上传给所述上位机。
所述上位机1，用于对所述存储器模块24发送的待测数据进行测试。
本发明实施例提供的多通道数据采集与测试系统，与现有技术相比，其能够根据选择通道的不同，来实时进行数据流的整体，并对存储模式进行调整， 在不改变总体存储容量的前提下，动态调整存储结构，当选择数据通道少时，能相对增加采集的数据长度；当数据采集通道较多时，可以使多个通道平均分配存储空间，综上，其能够提高现有多通道数据采集与测试系统的存储空间的利用率。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到的变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应该以权利要求的保护范围为准。

Claims (3)

  1. 一种多通道数据采集与测试系统，其特征在于，所述系统包括上位机和多通道数据采集卡，其中，
    所述上位机，用于设置数据控制命令，发送所述数据控制命令给所述多通道数据采集卡，以及对从所述多通道数据采集卡接收到的待测数据进行测试；
    所述多通道数据采集卡，用于根据所述上位机发送的数据控制命令选通待采集通道和设置每个待采集通道的数据长度，基于选通的待采集通道和设置的每个待采集通道的数据长度对待测数据进行采集并存储，以及向所述上位机发送所述待测数据；
    其中，所述数据控制命令包括待采集通道数、每个待采集通道的数据长度、采集开始指示信息、采集结束指示信息和采集复位指示信息。
  2. 根据权利要求1所述的系统，其特征在于，所述多通道数据采集卡包括数据命令控制模块、数据流模块、待测数据输入模块、存储器模块和存储器控制模块，其中，
    所述数据命令控制模块，用于根据所述上位机发送的数据控制命令确定待采集通道数和每个待采集通道的数据长度，并选通待采集通道和设置每个待采集通道的数据长度；
    所述数据流模块，用于根据所述数据命令控制模块选通的待采集通道和设置的每个待采集通道的数据长度，对所述待测数据输入模块发送的待测数据进行接收，并将所接收到的待测数据发送给所述存储器模块；
    所述存储器模块，用于根据所述存储控制模块的存储控制命令对所述接收到的待测数据进行存储，以及将所存储的待测数据上传给所述上位机；
    所述上位机，用于对所述存储器模块发送的待测数据进行测试。
  3. 根据权利要求1或2所述的系统，其特征在于，所述上位机用于对所述接收到的测试数据进行显示或变换，所述变换包括傅里叶变换和小波变换。
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CN108319183B (zh) * 2017-12-19 2019-11-01 北京旋极信息技术股份有限公司 一种多通道模拟量采集装置及方法
CN108197068A (zh) * 2017-12-27 2018-06-22 中国科学院微电子研究所 嵌入式实时数据采集和存储系统及其方法
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