日光温室卷帘机荷载实时测量系统设计与试验
依据日光温室卷帘机的工作环境和特点，基于虚拟仪器技术，在 LabVIEW2010平台上设计开发了一套卷帘机荷载实时测量系统，据此进行了常用类型卷帘机的工作荷载在线实测，分别测量了卷绳式卷帘机和卷轴式卷帘机的实时工作荷载变化情况，测量总体数据误差不超过±6 N·m。结果表明，侧置卷轴上推式卷帘机最大工作负荷出现在温室顶部，后置卷绳上拉式卷帘机最大工作负荷具有位置不确定性；卷绳式卷帘机的工作负荷远小于卷轴式卷帘机；目前生产中实际使用的卷绳式卷帘机的最大输出荷载过大。该研究成果为卷帘机的设计、选用提供依据。...
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| Published in | 农业工程学报 Vol. 30; no. 1; pp. 138 - 145 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国农业大学水利与土木工程学院,北京,100083%中农金旺 北京 农业工程技术有限公司,北京,100083
2014
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1002-6819 |
| DOI | 10.3969/j.issn.1002-6819.2014.01.018 |
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| Abstract | 依据日光温室卷帘机的工作环境和特点，基于虚拟仪器技术，在 LabVIEW2010平台上设计开发了一套卷帘机荷载实时测量系统，据此进行了常用类型卷帘机的工作荷载在线实测，分别测量了卷绳式卷帘机和卷轴式卷帘机的实时工作荷载变化情况，测量总体数据误差不超过±6 N·m。结果表明，侧置卷轴上推式卷帘机最大工作负荷出现在温室顶部，后置卷绳上拉式卷帘机最大工作负荷具有位置不确定性；卷绳式卷帘机的工作负荷远小于卷轴式卷帘机；目前生产中实际使用的卷绳式卷帘机的最大输出荷载过大。该研究成果为卷帘机的设计、选用提供依据。 |
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| AbstractList | 依据日光温室卷帘机的工作环境和特点，基于虚拟仪器技术，在 LabVIEW2010平台上设计开发了一套卷帘机荷载实时测量系统，据此进行了常用类型卷帘机的工作荷载在线实测，分别测量了卷绳式卷帘机和卷轴式卷帘机的实时工作荷载变化情况，测量总体数据误差不超过±6 N·m。结果表明，侧置卷轴上推式卷帘机最大工作负荷出现在温室顶部，后置卷绳上拉式卷帘机最大工作负荷具有位置不确定性；卷绳式卷帘机的工作负荷远小于卷轴式卷帘机；目前生产中实际使用的卷绳式卷帘机的最大输出荷载过大。该研究成果为卷帘机的设计、选用提供依据。 S233.74; 依据日光温室卷帘机的工作环境和特点，基于虚拟仪器技术，在 LabVIEW2010平台上设计开发了一套卷帘机荷载实时测量系统，据此进行了常用类型卷帘机的工作荷载在线实测，分别测量了卷绳式卷帘机和卷轴式卷帘机的实时工作荷载变化情况，测量总体数据误差不超过±6 N·m。结果表明，侧置卷轴上推式卷帘机最大工作负荷出现在温室顶部，后置卷绳上拉式卷帘机最大工作负荷具有位置不确定性；卷绳式卷帘机的工作负荷远小于卷轴式卷帘机；目前生产中实际使用的卷绳式卷帘机的最大输出荷载过大。该研究成果为卷帘机的设计、选用提供依据。 |
| Abstract_FL | In the paper, a study was conducted on the workload change of a mat rolling machine, which belongs to the agricultural machinery research of a sunlight greenhouse. The specific content is the on-line measurement for the mat roller workload on the foundation of the summarization of current related research. To be exact, first, the paper analyzes the working conditions and operating feature of the mat roller. Then, choosing a dynamic torque sensor of the strain gauge type, the real-time load measurement system was designed and developed on the LabVIEW platform, with the application of VI (virtual instrument) technology. Finally, the on-line test system for mat roller workload was launched and completed, whose main hardware was composed of the sensor and the signal amplifier, the data acquisition card, the electrical control system for mat roller, the stroke limiter, and the accessory device for sensor installation, etc. Additionally, its staple software function consisted of acquiring data, processing data, saving data, and automatically controlling the mat roller. Generally, the rollers can be divided into the reel-type and the rope-type in light of its working principle. We choose the side mat roller with a reel pushing up covering and the rear mat roller with a rope pulling up covering as subjects. Therefore, for one thing, aiming at the reel-type, load change was measured out when employing heat-insulating coverings of two materials and three lengths. For another, aiming at the rope-type, load change was measured out when utilizing heat-insulating coverings of three materials and two conditions (dryness and wetness).Specifically, in the beginning, prior to have the workload test, the sensor was calibrated, together with systematically testing the system. Next, during the test, according to the different rolling machines, diverse sunlight greenhouses were selected while with the same type of roller was utilized. Secondly, regarding test data collection, after configuring a collected sample of 1,000 and a sampling frequency of 10,000 S/s, the mean value was acquired as the instant load at the moment by means of using the LabVIEW statistical module to count and analyze the sample. Thirdly, the roller ran continuously, thereby gathering the data that represented the load variation. Eventually, when the test was complete, the acquired data was disposed and analyzed with Excellspreadsheet software. The test, measuring the instant loads of a reel-type roller and a rope-type roller respectively, is the initial study on the real-time measurement for roller workload, whose entire data error does not exceed ±6N.m. The results of the test showed that first, the mat roller with a reel pushing up acquires the maximum working load at the top of the sunlight greenhouse while the rear mat roller with a rope pulling up receives the maximum working load in an uncertain position. Secondly, the working load of the rope-type, whose change curve is more modest, is far less than that of the reel-type. Additionally, the rope-type mat roller, currently used in the production, has an overlarge maximum load. Finally, the study was initially focused on actually measuring the workload of the mat roller, thereby having some deficiencies. And there are three suggestions that can be carried out on deepening the research, including increasing the length of heat-insulating coverings, analyzing the relationship between the front roof slope of the sunlight greenhouse and the workload of the mat roller, and actually measuring the workload variation curves of the front mat roller with a reel pushing up covering. |
| Author | 孙昊 滕光辉 张晓飞 何贵荣 |
| AuthorAffiliation | 中国农业大学水利与土木工程学院,北京100083 中农金旺北京农业工程技术有限公司,北京,100083 |
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| Author_FL | Teng Guanghui Sun Hao Zhang Xiaofei He Guirong |
| Author_FL_xml | – sequence: 1 fullname: Sun Hao – sequence: 2 fullname: Teng Guanghui – sequence: 3 fullname: Zhang Xiaofei – sequence: 4 fullname: He Guirong |
| Author_xml | – sequence: 1 fullname: 孙昊 滕光辉 张晓飞 何贵荣 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | Design and test on real-time measurement system of mat roller workload for sunlight greenhouse |
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| Keywords | agricultural machinery greenhouses 温室 荷载 mat rolling machine real time measurement loads sunlight greenhouses 卷帘机 实时测量 农业机械 日光温室 |
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| Notes | 11-2047/S greenhouses;loads;agricultural machinery;mat rolling machine;real time measurement;sunlight greenhouses In the paper, a study was conducted on the workload change of a mat rolling machine, which belongs to the agricultural machinery research of a sunlight greenhouse. The specific content is the on-line measurement for the mat roller workload on the foundation of the summarization of current related research. To be exact, first, the paper analyzes the working conditions and operating feature of the mat roller. Then, choosing a dynamic torque sensor of the strain gauge type, the real-time load measurement system was designed and developed on the LabVIEW platform, with the application of VI （virtual instrument） technology. Finally, the on-line test system for mat roller workload was launched and completed, whose main hardware was composed of the sensor and the signal amplifier, the data acquisition card, the electrical control system for mat roller, the stroke limiter, and the accessory device for sensor |
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| PublicationTitleAlternate | Transactions of the Chinese Society of Agricultural Engineering |
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| PublicationYear | 2014 |
| Publisher | 中国农业大学水利与土木工程学院,北京,100083%中农金旺 北京 农业工程技术有限公司,北京,100083 |
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| Snippet | 依据日光温室卷帘机的工作环境和特点，基于虚拟仪器技术，在 LabVIEW2010平台上设计开发了一套卷帘机荷载实时测量系统，据此进行了常用类型卷帘机的工作荷载在线实测，分... S233.74; 依据日光温室卷帘机的工作环境和特点，基于虚拟仪器技术，在 LabVIEW2010平台上设计开发了一套卷帘机荷载实时测量系统，据此进行了常用类型卷帘机的工作荷载在线... |
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| SubjectTerms | 农业机械 卷帘机 实时测量 日光温室 温室 荷载 |
| Title | 日光温室卷帘机荷载实时测量系统设计与试验 |
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