CN108226082B - A Calibration Method for Damping Response Time of Moisture Meter - Google Patents
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- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
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Abstract
本发明提供一种水分仪阻尼响应时间的校准方法，明确生产现场在线红外水分仪阻尼(响应)时间设定区间，验证生产现场在线红外水分仪阻尼(响应)时间设定是否合理，使在线红外水分仪在生产过程中采集的数据更加接近物料的真实值。本发明提供一种水分仪阻尼响应时间的校准方法的技术方案包括：步骤一，初步确定在线红外水分仪的响应时间，时间范围为[8，25s)；步骤二，在所述时间范围内，所述在线水分仪测量校准样品并显示含水率标准偏差和第一在线水分仪显示值，同时获取第一烘箱测量值；步骤三，判断所述含水率标准偏差是否小于等于预设值，若否，则重新选取所述在线红外水分仪的响应时间。
The invention provides a method for calibrating the damping response time of a moisture meter, which can clarify the setting interval of the damping (response) time of the online infrared moisture meter at the production site, verify whether the damping (response) time setting of the online infrared moisture meter at the production site is reasonable, and make the online infrared moisture meter set reasonable. The data collected by the moisture meter during the production process is closer to the true value of the material. The present invention provides a technical solution for a method for calibrating damping response time of a moisture meter. The online moisture meter measures the calibration sample and displays the standard deviation of moisture content and the displayed value of the first online moisture meter, and simultaneously obtains the measured value of the first oven; step 3, judge whether the standard deviation of moisture content is less than or equal to the preset value, if not , then reselect the response time of the online infrared moisture meter.
Description
技术领域technical field
本发明涉及烟草技术领域，具体涉及一种水分仪阻尼响应时间的校准方法。The invention relates to the technical field of tobacco, in particular to a method for calibrating damping response time of a moisture meter.
背景技术Background technique
在卷烟厂的生产工艺流程中对含水率的检测和控制是一项重要的内容。在烟草行业的不断发展过程中，不论是建设新的制丝车间还是对旧产品的取代，都会越来越多的涉及到含水率测试仪的使用。The detection and control of moisture content is an important content in the production process of cigarette factory. In the continuous development of the tobacco industry, whether it is the construction of new silk workshops or the replacement of old products, the use of moisture content testers will be more and more involved.
在线红外水分仪在卷烟厂含水率的测试中具有重要的作用和意义，其本身的具有稳定性好、精密度高、测试范围广、非接触测试等优点。目前广泛使用的是TM710水分仪，它测量烟草制品的基础理论是比尔定律，水分对特定波长的红外辐射有强烈的吸收带，根据通过被测样品后光强的变化可得被测物品的水分含量。The online infrared moisture meter plays an important role and significance in the test of moisture content in cigarette factories. It has the advantages of good stability, high precision, wide test range and non-contact test. At present, the TM710 moisture meter is widely used. The basic theory for measuring tobacco products is Beer's law. Moisture has a strong absorption band for infrared radiation of a specific wavelength. content.
虽然在线红外水分仪的数据采集处理规则直接影响含水率的准确度，但目前生产现场还没有对在线红外水分仪阻尼(响应)时间的设定进行验证。Although the data acquisition and processing rules of the online infrared moisture meter directly affect the accuracy of the moisture content, the damping (response) time setting of the online infrared moisture meter has not been verified in the current production site.
发明内容SUMMARY OF THE INVENTION
本发明提供一种水分仪阻尼响应时间的校准方法，明确生产现场在线红外水分仪阻尼(响应)时间设定区间，验证生产现场在线红外水分仪阻尼(响应)时间设定是否合理，使在线红外水分仪在生产过程中采集的数据更加接近物料的真实值。The invention provides a method for calibrating the damping response time of a moisture meter, which can clarify the setting interval of the damping (response) time of the online infrared moisture meter at the production site, verify whether the damping (response) time setting of the online infrared moisture meter at the production site is reasonable, and make the online infrared moisture meter set reasonable. The data collected by the moisture meter during the production process is closer to the true value of the material.
本发明提供一种水分仪阻尼响应时间的校准方法的技术方案包括：The present invention provides a technical solution for a calibration method for damping response time of a moisture meter, including:
步骤一，初步确定在线红外水分仪的响应时间，时间范围为[8，25s)；Step 1, initially determine the response time of the online infrared moisture meter, and the time range is [8, 25s);
步骤二，在所述时间范围内，所述在线水分仪测量校准样品并显示含水率标准偏差和第一在线水分仪显示值，同时获取第一烘箱测量值；Step 2, within the time range, the online moisture meter measures the calibration sample and displays the standard deviation of the moisture content and the displayed value of the first online moisture meter, and simultaneously obtains the first oven measurement value;
步骤三，判断所述含水率标准偏差是否小于等于预设值，若否，则重新选取所述在线红外水分仪的响应时间。Step 3: Determine whether the standard deviation of the moisture content is less than or equal to a preset value, and if not, reselect the response time of the online infrared moisture meter.
优选的，在上述技术方案中，Preferably, in the above technical solution,
所述预设值为0.2％。The preset value is 0.2%.
优选的，在上述技术方案中，Preferably, in the above technical solution,
所述步骤三还包括：若是，则根据所述第一在线水分仪显示值和所述第一烘箱测量值计算水分仪斜率，并判断所述水分仪斜率是否在预设区间内，若是，则最终确定在线红外水分仪的响应时间，若否，则重新选取所述在线红外水分仪的响应时间。The step 3 also includes: if so, calculating the slope of the moisture meter according to the displayed value of the first online moisture meter and the measured value of the first oven, and judging whether the slope of the moisture meter is within a preset interval, and if so, then The response time of the online infrared moisture meter is finally determined, and if not, the response time of the online infrared moisture meter is reselected.
优选的，在上述技术方案中，Preferably, in the above technical solution,
所述预设区间为0.97＜k＜1.03，k为所述水分仪斜率。The preset interval is 0.97<k<1.03, where k is the slope of the moisture meter.
优选的，在上述技术方案中，Preferably, in the above technical solution,
所述步骤一具体包括：获取若干时间节点下实验样品的第二在线水分仪显示值和第二烘箱测量值，将所述第二在线水分仪显示值和所述第二烘箱测量值对比分析，初步确定时间范围[8，25s)为在线红外水分仪的响应时间。The step 1 specifically includes: acquiring the second online moisture meter display value and the second oven measurement value of the experimental sample under several time nodes, and comparing and analyzing the second online moisture meter display value and the second oven measurement value, The time range [8, 25s) is initially determined as the response time of the online infrared moisture meter.
优选的，在上述技术方案中，Preferably, in the above technical solution,
若干所述时间节点包括所述时间节点包括8s、10s、15s、20s、25s，8s为在线红外水分仪的最低响应时间。Several of the time nodes include that the time nodes include 8s, 10s, 15s, 20s, and 25s, and 8s is the minimum response time of the online infrared moisture meter.
优选的，在上述技术方案中，Preferably, in the above technical solution,
所述步骤一具体包括：获取8s、10s、15s、20s、25s下实验样品的第二在线水分仪显示值和第二烘箱测量值，当时间范围为[8，25s)时，误差不大于0.3％，将时间范围[8，25s)初步确定为在线红外水分仪的响应时间。The step 1 specifically includes: obtaining the second online moisture meter display value and the second oven measurement value of the experimental sample at 8s, 10s, 15s, 20s, and 25s. When the time range is [8, 25s), the error is not greater than 0.3 %, the time range [8, 25s) was initially determined as the response time of the online infrared moisture meter.
优选的，在上述技术方案中，Preferably, in the above technical solution,
所述校准方法还包括：设定在线红外水分仪的显示极限值，当达到所述显示极限值时，启动报警系统。The calibration method further includes: setting a display limit value of the online infrared moisture meter, and when the display limit value is reached, an alarm system is activated.
附图说明Description of drawings
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地介绍，显而易见地，下面描述中的附图仅仅是本发明的实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据提供的附图获得其他的附图。In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only It is an embodiment of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative efforts.
图1为本发明实施例一种水分仪阻尼响应时间的校准方法的流程图。FIG. 1 is a flowchart of a method for calibrating damping response time of a moisture meter according to an embodiment of the present invention.
具体实施方式Detailed ways
本发明提供一种水分仪阻尼响应时间的校准方法，明确生产现场在线红外水分仪阻尼(响应)时间设定区间，验证生产现场在线红外水分仪阻尼(响应)时间设定是否合理，使在线红外水分仪在生产过程中采集的数据更加接近物料的真实值。The invention provides a method for calibrating the damping response time of a moisture meter, which can clarify the setting interval of the damping (response) time of the online infrared moisture meter at the production site, verify whether the damping (response) time setting of the online infrared moisture meter at the production site is reasonable, and make the online infrared moisture meter set reasonable. The data collected by the moisture meter during the production process is closer to the true value of the material.
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他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
请参阅图1，本发明一种水分仪阻尼响应时间的校准方法的技术方案包括：Please refer to Fig. 1, the technical scheme of the calibration method of damping response time of a moisture meter of the present invention includes:
101、初步确定在线红外水分仪的响应时间，时间范围为[8，25s)；101. Preliminarily determine the response time of the online infrared moisture meter, and the time range is [8, 25s);
在本实施例中，101具体包括：获取若干时间节点下实验样品的第二在线水分仪显示值和第二烘箱测量值，将第二在线水分仪显示值和第二烘箱测量值对比分析，初步确定时间范围[8，25s)为在线红外水分仪的响应时间。进一步，若干所述时间节点包括所述时间节点包括8s、10s、15s、20s、25s，8s为在线红外水分仪的最低响应时间，当时间范围为[8，25s)时，误差不大于0.3％，将时间范围[8，25s)初步确定为在线红外水分仪的响应时间。In this embodiment, 101 specifically includes: acquiring the displayed value of the second online moisture meter and the measurement value of the second oven of the experimental sample under several time nodes, comparing and analyzing the displayed value of the second online moisture meter and the measurement value of the second oven, preliminary Determine the time range [8, 25s) as the response time of the online infrared moisture meter. Further, several of the time nodes include the time nodes including 8s, 10s, 15s, 20s, 25s, 8s is the minimum response time of the online infrared moisture meter, and when the time range is [8, 25s), the error is not greater than 0.3% , the time range [8, 25s) is initially determined as the response time of the online infrared moisture meter.
上述校准方法还包括：设定在线红外水分仪的显示极限值，当达到显示极限值时，启动报警系统。The above calibration method also includes: setting the display limit value of the online infrared moisture meter, and when the display limit value is reached, the alarm system is activated.
根据上述说明可以得知的是，步骤101包括以下几步：It can be known from the above description that
A、设置在线红外水分仪的各参数：斜率为1、报警上限设置为16％、报警下限设置为2％、修正值固定、探头名称和测量成分名称。A. Set the parameters of the online infrared moisture meter: the slope is 1, the upper alarm limit is set to 16%, the lower alarm limit is set to 2%, the correction value is fixed, the name of the probe and the name of the measuring component.
B、将响应时间的最低值设为8S，进行用操作界面或采样遥读表或手持式操作界面的采样功能采集实验样品，记录实验样品的测量平均值。需要说明的是，在实验室测定样品数据，样品数量不少于10个。B. Set the minimum value of the response time to 8S, use the operation interface or the sampling function of the sampling remote reading meter or the hand-held operation interface to collect the experimental samples, and record the measurement average value of the experimental samples. It should be noted that the sample data is measured in the laboratory, and the number of samples is not less than 10.
C、同理在响应时间分别为10s、15s、20s、25s时进行取样试验。C. Similarly, the sampling test is carried out when the response time is 10s, 15s, 20s, and 25s.
D、在每个响应时间下得到的结果采用一个类似下面的表格记录和计算数据：D. The results obtained at each response time are recorded and calculated using a table similar to the following:
E、根据表格记录和数据得到在8S时误差均值最小，25S时误差均值最大且超过0.3％，因此，确定在线红外水分仪响应时间设置范围为[8，25)。E. According to the table records and data, the error mean is the smallest at 8S, and the error mean is the largest at 25S and exceeds 0.3%. Therefore, the response time setting range of the online infrared moisture meter is determined to be [8, 25).
102、在时间范围内，在线红外水分仪测量校准样品并显示含水率标准偏差和第一在线水分仪显示值，同时获取第一烘箱测量值；102. Within the time range, the online infrared moisture meter measures the calibration sample and displays the standard deviation of moisture content and the displayed value of the first online moisture meter, and simultaneously obtains the measurement value of the first oven;
103、判断含水率标准偏差是否小于等于预设值，若否，则重新选取在线红外水分仪的响应时间。103. Determine whether the standard deviation of the moisture content is less than or equal to a preset value, and if not, reselect the response time of the online infrared moisture meter.
本实施例中，判断在线红外水分仪显示含水率标准偏差是否小于等于0.2％，若大于0.2％则执行步骤104，步骤104为重新选取在线红外水分仪的响应时间。进一步的，若小于等于0.2％，则根据第一在线水分仪显示值和第一烘箱测量值计算水分仪斜率，并判断水分仪斜率是否在预设区间内，预设区间为0.97＜k＜1.03(k为所述水分仪斜率)，若是，则最终确定在线红外水分仪的响应时间，若否，则重新选取在线红外水分仪的响应时间。In this embodiment, it is determined whether the standard deviation of the moisture content displayed by the online infrared moisture meter is less than or equal to 0.2%. Further, if it is less than or equal to 0.2%, calculate the slope of the moisture meter according to the displayed value of the first online moisture meter and the measured value of the first oven, and determine whether the slope of the moisture meter is within a preset interval, and the preset interval is 0.97<k<1.03 (k is the slope of the moisture meter), if yes, the response time of the online infrared moisture meter is finally determined, if not, the response time of the online infrared moisture meter is reselected.
以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The recorded technical solutions are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
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