CN112985556A - Cigarette weight detection method, detection controller and detection system - Google Patents
Cigarette weight detection method, detection controller and detection system Download PDFInfo
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- CN112985556A CN112985556A CN202110183519.8A CN202110183519A CN112985556A CN 112985556 A CN112985556 A CN 112985556A CN 202110183519 A CN202110183519 A CN 202110183519A CN 112985556 A CN112985556 A CN 112985556A
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- G01—MEASURING; TESTING
- G01G—WEIGHING
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Abstract
The invention discloses a cigarette weight detection method, a detection controller and a detection system, which comprise the following steps: s1010: receiving the current standard deviation mean value of the cigarette weight control system and the actual measurement weight standard deviation of the finished product cigarette detected by the test board for the physical index of the finished product cigarette; s1020: updating the calibration slope by using the current standard deviation mean value, the actually measured weight standard deviation and the current calibration slope; s1030: sending the updated calibration slope to a cigarette weight control system; s1040: receiving an updated standard deviation mean value of the cigarette weight control system; s1050: calculating the difference between the updated standard deviation mean and the actually measured weight standard deviation; s1060: judging whether the difference value is larger than a difference value threshold value; if the difference is greater than the difference threshold, executing S1070 and returning to S1020; s1070: the current calibration slope is updated with the updated calibration slope. The application ensures the accuracy of detection.
Description
Technical Field
The invention relates to the technical field of cigarette manufacturing, in particular to a cigarette weight detection method, a detection controller and a detection system.
Background
Unqualified cigarettes exist in the cigarette manufacturing process, and the typical reason of the unqualified cigarettes is that the cigarette weight does not reach the process standard. Therefore, the cigarette weight control system of the cigarette making machine is an important device for rejecting unqualified cigarettes. A cigarette weight control system of cigarette machine detects the cigarette density of no filter tip naked cigarette through the microwave, converts the cigarette density that detects into a cigarette weight and feeds back to the standard dish of cigarette machine and carry out a cigarette weight control through inside processing back, and wherein the calibration slope is the slope of the linear function of the cigarette weight of the naked cigarette after the conversion and the cigarette weight of the naked cigarette of actual measurement in certain interval.
On the premise that the target weight is consistent with the actual weight, the rejecting precision of the unqualified cigarettes is mainly determined by the accuracy of the calibration slope of the cigarette weight control system. Therefore, the correct calculation of the calibration slope is a key factor for improving the cigarette weight control precision.
At present, two methods for calculating the calibration slope are mainly used, and one method is to adjust according to a cigarette weight deviation distribution diagram and by combining manual experience. The other method is to calculate a calibration slope through sampling of the cigarette making machine and the standard deviation of the cigarette weight of the actually measured naked cigarette, and the method is a standard method for calculating the calibration slope.
However, the first method relies on manual experience, and it is difficult to ensure the accuracy of detection; the second method needs to execute a random sampling function for many times, weighs the taken samples, is inconvenient in practical operation, and in addition, because the samples are bare cigarettes, certain tobacco shred amount can fall off in the sampling and removing process, so that the accuracy of a calculation result is influenced, the whole calculation process is more complicated, and the consumed time is long.
In addition, because both methods are manually involved, automation of control cannot be realized.
Disclosure of Invention
The invention aims to provide a cigarette weight detection method, a detection controller and a detection system, which can quickly, conveniently and accurately calculate the calibration slope of a cigarette weight control system of a cigarette making machine.
According to a first aspect of the invention, a method for detecting cigarette weight is provided, which comprises the following steps: s1010: receiving the current standard deviation mean value of the cigarette weight control system and the actual measurement weight standard deviation of the finished product cigarette detected by the test board for the physical index of the finished product cigarette; s1020: updating the calibration slope by using the current standard deviation mean value, the actually measured weight standard deviation and the current calibration slope; s1030: sending the updated calibration slope to a cigarette weight control system; s1040: receiving an updated standard deviation mean value of the cigarette weight control system; s1050: calculating the difference between the updated standard deviation mean and the actually measured weight standard deviation; s1060: judging whether the difference value is larger than a difference value threshold value; if the difference is greater than the difference threshold, executing S1070 and returning to S1020; s1070: the current calibration slope is updated with the updated calibration slope.
Preferably, if the difference is smaller than the difference threshold, then S1080: receiving the weight of a single cigarette of a cigarette weight control system; s1090: judging whether the weight of a single cigarette is larger than an overweight cigarette threshold or whether the weight of the single cigarette is smaller than an ultralight cigarette threshold; if the weight of a single cigarette is larger than the cigarette overweight threshold or the weight of the single cigarette is smaller than the cigarette ultralight threshold, determining that the weight of the single cigarette is unqualified, and executing S1100: outputting the removing instruction of the single cigarette.
Preferably, the calibration slope is updated using the following formula
Wherein S is1Showing the updated calibration slope, D showing the standard deviation of the measured weight of the finished cigarette, A0Represents the current standard deviation mean, S0Representing the current calibration slope.
Preferably, the standard deviation mean is the mean of the standard deviations of the weights of the cigarettes detected by the cigarette weight control system in a plurality of groups within a predetermined time period.
The application also provides a detection controller of the cigarette weight, and the detection controller is used for executing the detection method of the cigarette weight.
The application also provides a detection system of the cigarette weight, which comprises a cigarette weight control system, a test board for physical indexes of finished cigarettes, a rejection device and the detection controller; the cigarette weight control system detects the weight of the cigarette, calculates a standard deviation mean value, sends the standard deviation mean value to the detection controller, receives the updated calibration slope sent by the detection controller and adjusts the calibration slope according to the updated calibration slope; the physical index test table of the finished cigarette measures the finished cigarette, calculates the standard deviation of the measured weight and sends the standard deviation to the detection controller; and the rejecting device receives a rejecting instruction of the detection controller and executes rejecting operation on unqualified cigarettes.
Preferably, the cigarette weight control system includes a first display that displays the mean standard deviation.
Preferably, the finished product cigarette physical index test bench includes a second display, and the second display shows the measured weight standard deviation.
According to one embodiment of the present disclosure, the present application achieves the following advantageous effects:
1. the method and the device realize the quick, convenient and accurate calculation of the calibration slope of the cigarette weight control system, and ensure the accuracy of detection. Specifically, the standard deviation mean value obtained by the cigarette weight control system is directly utilized to update the calibration slope, so that the time required for multiple random sampling and weighing to obtain the standard deviation is saved; the main fluctuation of finished product cigarette weight is derived from the fluctuation of tobacco shred amount, the fluctuation of naked cigarette without filter tip is almost unanimous with the fluctuation of finished product cigarette, finished product cigarette has a large amount of weight detection data, conveniently calculate actual measurement weight standard deviation, consequently this application directly utilizes the actual measurement weight standard deviation update calibration slope of finished product cigarette that finished product cigarette physical index testboard calculation obtained, avoid dropping the precision error that brings to the tobacco shred amount that takes place among the naked cigarette sampling process, the precision of detection has been improved.
2. This application has avoided artifical the participation, can realize automated control.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a flowchart of a method for detecting cigarette weight according to the present application.
FIG. 2 is a block diagram of a cigarette weight detection system provided by the present application.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
Example one
The application provides a cigarette weight detection method, as shown in figure 1, the detection method comprises the following steps:
s1010: receiving the current standard deviation mean value A of the cigarette weight control system0And the actually measured weight standard deviation D of the finished cigarette.
The standard deviation mean value is the mean value of the standard deviation of the weights of a plurality of groups of cigarettes detected by the cigarette weight control system in a preset time period. The standard deviation of the weight of each group of cigarettes is the standard deviation of the weight of the group of cigarettes. With the current standard deviation mean A0For example, as an example, the predetermined period of time is 24 hours, N groups of naked cigarettes are detected in the predetermined period of time, each group including a plurality of naked cigarettes, and the standard deviation mean a0Is shown as
Wherein S isiIs the standard deviation of the ith cigarette group.
S1020: using the current standard deviation mean A0Measured weight standard deviation D and current calibration slope S0Updating the calibration slope to obtain an updated calibration slope S1。
Specifically, the updated calibration slope S is calculated using the following formula1
S1030: the updated calibration slope S1Sending the cigarette weight to a cigarette weight control system.
S1040: receiving an updated standard deviation mean A of a cigarette weight control system1。
S1050: calculating an updated standard deviation meanA1Difference B between standard deviation D and measured weight
S1060: judging whether the difference value B is larger than the difference value threshold value B0. If yes, go to S1070 and return to S120. Otherwise, S1080 is performed.
Preferably, B04 to 6 percent. More preferably, B0The content was 5%.
S1070: using updated calibration slope S1Updating the current calibration slope S0。
S1080: receiving the individual cigarette weights of the cigarette weight control system.
S1090: and judging whether the weight of a single cigarette is greater than an overweight cigarette threshold or whether the weight of the single cigarette is less than an ultralight cigarette threshold.
If the weight of a single cigarette is larger than the cigarette overweight threshold or the weight of the single cigarette is smaller than the cigarette ultralight threshold, determining that the weight of the single cigarette is unqualified, executing S1100, otherwise, executing S1110.
S1100: outputting the removing instruction of the single cigarette.
S1110: outputting the qualified detection result of the single cigarette.
Example two
The application also provides a detection controller of the cigarette weight, and the detection controller is used for executing the detection method of the cigarette weight.
EXAMPLE III
The application also provides a cigarette weight detection system, which comprises a cigarette weight control system 210, a finished product cigarette physical index test bench 220, a rejection device 240 and the detection controller 230.
The cigarette weight control system 210 performs weight detection on the cigarettes, calculates a standard deviation mean value, sends the standard deviation mean value to the detection controller 230, receives the updated calibration slope sent by the detection controller 230, and performs adjustment of the calibration slope according to the updated calibration slope. Preferably, the cigarette weight control system 210 includes a display that displays the mean standard deviation. It will be appreciated that the cigarette weight control system also includes a display for displaying the weight of individual cigarettes. The display for displaying the standard deviation mean and the weight of a single cigarette can be the same display or different displays.
The test bench 220 measures the finished cigarettes, calculates the standard deviation of the measured weight, and sends the standard deviation to the detection controller 230. Preferably, the physical index test bench for the finished cigarettes comprises a display, and the display displays the standard deviation of the measured weight. It can be understood that the test bench for physical indexes of finished cigarettes further comprises a display for displaying the weight of each cigarette. The display for displaying the standard deviation of the measured weight and the weight of a single cigarette can be the same display or different displays.
The rejecting device 240 receives the rejecting command from the detection controller and performs rejecting operation on the unqualified cigarettes.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (8)
1. A method for detecting the cigarette weight is characterized by comprising the following steps:
s1010: receiving the current standard deviation mean value of the cigarette weight control system and the actual measurement weight standard deviation of the finished product cigarette detected by the test board for the physical index of the finished product cigarette;
s1020: updating the calibration slope by using the current standard deviation mean, the measured weight standard deviation and the current calibration slope;
s1030: sending the updated calibration slope to the cigarette weight control system;
s1040: receiving an updated standard deviation mean value of the cigarette weight control system;
s1050: calculating a difference between the updated standard deviation mean and the measured weight standard deviation;
s1060: judging whether the difference value is larger than a difference value threshold value;
if the difference is greater than the difference threshold, executing S1070 and returning to S1020;
s1070: the current calibration slope is updated with the updated calibration slope.
2. The method for detecting cigarette weight according to claim 1, wherein if the difference is smaller than the difference threshold, S1080 is executed: receiving the weight of a single cigarette of a cigarette weight control system;
s1090: judging whether the weight of the single cigarette is larger than an overweight cigarette threshold or whether the weight of the single cigarette is smaller than an ultralight cigarette threshold;
if the weight of the single cigarette is larger than the cigarette overweight threshold or the weight of the single cigarette is smaller than the cigarette ultralight threshold, determining that the weight of the single cigarette is unqualified, and executing S1100: outputting the removing instruction of the single cigarette.
3. The cigarette weight detecting method according to claim 1, wherein the calibration slope is updated by using the following formula
Wherein S is1Showing the updated calibration slope, D showing the standard deviation of the measured weight of the finished cigarette, A0Represents the current standard deviation mean, S0Representing the current calibration slope.
4. The method for detecting the cigarette weight according to claim 1, wherein the standard deviation mean value is the mean value of the standard deviation of the weights of a plurality of groups of cigarettes detected by a cigarette weight control system in a preset time period.
5. A detection controller for cigarette weight, which is characterized in that the detection controller is used for executing the cigarette weight detection method of claims 1-4.
6. A cigarette weight detection system is characterized by comprising a cigarette weight control system, a finished product cigarette physical index test bench, a rejection device and a detection controller according to claim 5;
the cigarette weight control system is used for detecting the weight of the cigarette, calculating a standard deviation mean value, sending the standard deviation mean value to the detection controller, receiving the updated calibration slope sent by the detection controller and adjusting the calibration slope according to the updated calibration slope;
the physical index test table of the finished product cigarettes measures the finished product cigarettes, calculates the standard deviation of the measured weight and sends the standard deviation to the detection controller;
and the removing equipment receives the removing instruction of the detection controller and executes removing operation on unqualified cigarettes.
7. The cigarette weight detecting system according to claim 6, wherein the cigarette weight control system includes a first display, and the first display displays the standard deviation mean value.
8. The cigarette weight detecting system according to claim 6, wherein the finished cigarette physical index testing platform comprises a second display, and the second display displays the measured weight standard deviation.
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Application publication date: 20210618 |