CN103744324B - Indoor environment quality monitoring-based data acquisition method - Google Patents
Indoor environment quality monitoring-based data acquisition method Download PDFInfo
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- CN103744324B CN103744324B CN201310716119.4A CN201310716119A CN103744324B CN 103744324 B CN103744324 B CN 103744324B CN 201310716119 A CN201310716119 A CN 201310716119A CN 103744324 B CN103744324 B CN 103744324B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012544 monitoring process Methods 0.000 title claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 7
- 230000003111 delayed effect Effects 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims abstract description 4
- 238000013500 data storage Methods 0.000 claims abstract description 3
- 230000007613 environmental effect Effects 0.000 claims description 6
- 238000013480 data collection Methods 0.000 abstract description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
本发明公布了一种基于室内环境品质监控的数据采集方法，首先检查数据采集子任务的任务挂起时间是否到时间，如果到时间就进入就绪状态，当其他更高优先级的任务执行完毕后，就获得CPU的控制权，并开启数据采集工作；然后接着对微处理器中的相关寄存器进行初始化和设置，依次完成通道0到通道4的数据采集工作；最后把这个数据传递给数据存储子任务，并把数据存储在NandFlash中，以便数据处理子任务并进行进一步处理，所有工作结束后，该任务延时挂起。本发明的数据采集方法效率高，可以直接得到数字信号输出，并被微处理器读取，这样就不用对微处理器内置的A/D转换器的相关寄存器进行设置和初始化。节省了数据采集的时间。
The invention discloses a data acquisition method based on indoor environment quality monitoring. First, check whether the task suspension time of the data acquisition subtask is up. If the time is up, it will enter the ready state. , to obtain the control right of the CPU, and start the data acquisition work; then initialize and set the relevant registers in the microprocessor, and complete the data acquisition work from channel 0 to channel 4 in turn; finally pass this data to the data storage sub task, and store the data in NandFlash for data processing subtasks and further processing, after all the work is completed, the task is delayed and suspended. The data acquisition method of the present invention has high efficiency, and can directly obtain digital signal output and be read by the microprocessor, so that it is unnecessary to set and initialize the relevant registers of the A/D converter built in the microprocessor. Save time for data collection.
Description
技术领域 technical field
本发明涉及一种基于室内环境品质监控的数据采集方法。 The invention relates to a data collection method based on indoor environmental quality monitoring.
背景技术 Background technique
目前，室内环境品质监控系统的数据采集都是采用传感器进行数据采集的，一般所采用的各个传感器模块中，包括温湿度传感器模块、甲醛传感器模块、氨气传感器模块和一氧化碳传感器模块，这些传感器的内部都包含一个更高精度的A/D转换器，现有技术中的数据采集方式难以直接得到数字信号，需要对微处理器内置的A/D转换器的相关寄存器进行设置和初始化，使得数据采集的效率非常低。 At present, the data collection of the indoor environmental quality monitoring system is carried out by sensors. Generally, the various sensor modules used include the temperature and humidity sensor module, the formaldehyde sensor module, the ammonia sensor module and the carbon monoxide sensor module. It contains a higher-precision A/D converter inside. It is difficult to directly obtain digital signals in the data acquisition method in the prior art. It is necessary to set and initialize the relevant registers of the A/D converter built in the microprocessor, so that the data The collection efficiency is very low.
发明内容 Contents of the invention
本发明目的是针对现有技术存在的缺陷提供一种基于室内环境品质监控的数据采集方法。 The purpose of the present invention is to provide a data collection method based on indoor environmental quality monitoring to address the defects in the prior art.
本发明为实现上述目的，采用如下技术方案：一种基于室内环境品质监控的数据采集方法，首先检查数据采集子任务的任务挂起时间是否到时间，如果到时间就进入就绪状态，当其他更高优先级的任务执行完毕后，就获得CPU的控制权，并开启数据采集工作；然后接着对微处理器中的相关寄存器进行初始化和设置，依次完成通道0到通道4的数据采集工作；最后把这个数据传递给数据存储子任务，并把数据存储在NandFlash中，以便数据处理子任务并进行进一步处理，所有工作结束后，该任务延时挂起。 In order to achieve the above object, the present invention adopts the following technical scheme: a data collection method based on indoor environmental quality monitoring, first checks whether the task suspension time of the data collection subtask is up, if the time is up, it enters the ready state, when other more After the high-priority task is executed, the control right of the CPU is obtained, and the data acquisition work is started; then, the related registers in the microprocessor are initialized and set, and the data acquisition work of channel 0 to channel 4 is completed in turn; finally Pass this data to the data storage subtask, and store the data in NandFlash, so that the data processing subtask can be further processed. After all the work is finished, the task will be delayed and suspended.
本发明的有益效果：本发明的数据采集方法效率高，可以直接得到数字信号输出，并被微处理器读取，这样就不用对微处理器内置的A/D转换器的相关寄存器进行设置和初始化。节省了数据采集的时间。 Beneficial effects of the present invention: the data acquisition method of the present invention has high efficiency, can directly obtain the digital signal output, and is read by the microprocessor, so just needn't the related register of the built-in A/D converter of the microprocessor be set and initialization. Save time for data collection.
附图说明 Description of drawings
图 1 本发明的数据采集流程图。 Fig. 1 is the flow chart of data collection in the present invention.
具体实施方式 detailed description
图1所示，为一种基于室内环境品质监控的数据采集方法，首先检查数据采集子任务的任务挂起时间是否到时间，如果到时间就进入就绪状态，当其他更高优先级的任务执行完毕后，就获得CPU的控制权，并开启数据采集工作；然后接着对微处理器中的相关寄存器进行初始化和设置，依次完成通道0到通道4的数据采集工作；最后把这个数据传递给数据存储子任务，并把数据存储在NandFlash中，以便数据处理子任务并进行进一步处理，所有工作结束后，该任务延时挂起。 As shown in Figure 1, it is a data collection method based on indoor environmental quality monitoring. First, check whether the task suspension time of the data collection subtask is up. If the time is up, it will enter the ready state. When other higher priority tasks are executed After the completion, the control right of the CPU is obtained, and the data acquisition work is started; then the relevant registers in the microprocessor are initialized and set, and the data acquisition work from channel 0 to channel 4 is completed in turn; finally, the data is passed to the data Store subtasks and store data in NandFlash for data processing subtasks and further processing. After all work is completed, the task is delayed and suspended.
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。 The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.
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| CN101419278A (en) * | 2008-12-05 | 2009-04-29 | 航天恒星科技有限公司 | Multichannel high speed remote sensing data acquiring and processing device |
| CN101446818A (en) * | 2008-12-12 | 2009-06-03 | 齐齐哈尔华工机床制造有限公司 | Automatic control system of metal impact specimen automatic processing device |
| CN202119824U (en) * | 2011-07-08 | 2012-01-18 | 吉林省电力有限公司长春供电公司 | Data acquisition apparatus for monitoring urban network cable circulation current |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5892974A (en) * | 1994-10-12 | 1999-04-06 | Sega Enterprises Ltd. | System for sub-data processor identifies the peripheral from supplied identification data and supplies data indicative of the kind of peripheral to main data processor |
| CN1924846A (en) * | 2006-07-19 | 2007-03-07 | 中国科学院等离子体物理研究所 | Direct hardware accessing data sampling system and method for PCI bus structure |
| CN101419278A (en) * | 2008-12-05 | 2009-04-29 | 航天恒星科技有限公司 | Multichannel high speed remote sensing data acquiring and processing device |
| CN101446818A (en) * | 2008-12-12 | 2009-06-03 | 齐齐哈尔华工机床制造有限公司 | Automatic control system of metal impact specimen automatic processing device |
| CN202119824U (en) * | 2011-07-08 | 2012-01-18 | 吉林省电力有限公司长春供电公司 | Data acquisition apparatus for monitoring urban network cable circulation current |
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