Disclosure of Invention
The invention solves the problem of how to improve the efficiency, accuracy and automation degree of the detection of the temperature of the vacuum moisture regaining core. The invention provides a method and a device for online monitoring of the temperature of a vacuum moisture regaining core, which can improve the efficiency, accuracy and automation degree of the temperature detection of the vacuum moisture regaining core.
In order to solve the problems, the embodiment of the invention discloses an online monitoring method for the temperature of a vacuum moisture regaining core, which comprises the following steps: measuring the thickness of the cigarette packet in the case body by laser to obtain the central position of the cigarette packet; measuring the temperature of the cigarette packet according to the central position of the cigarette packet to obtain the temperature data of the cigarette packet; and judging whether the temperature data is within the effective temperature range or not, wherein when the temperature data exceeds the effective temperature range, the system gives an alarm.
By adopting the technical scheme, the detection process of controlling the temperature of the vacuum moisture regain core by the PLC program is realized, and the detection efficiency, accuracy and automation degree are improved.
According to another specific embodiment of the present invention, the method for online monitoring of the temperature of the vacuum moisture regain core disclosed in the embodiment of the present invention comprises, before the step of measuring the thickness of the cigarette packet in the case by laser and obtaining the center position of the cigarette packet: and after the box body is detected at the designated position, the system sends out a temperature measurement instruction.
By adopting the technical scheme, after the box body is detected at the designated position, the system sends out a temperature measurement instruction, so that misoperation is avoided, and the reliability of the system is improved.
According to another specific embodiment of the present invention, the method for monitoring the temperature of the vacuum moisture regain core on line according to the embodiment of the present invention includes the steps of measuring the temperature of the tobacco bale and acquiring the temperature data of the tobacco bale according to the central position of the tobacco bale: and measuring the temperature of the cigarette packet by adopting a five-point diamond temperature measuring point according to the central position of the cigarette packet.
By adopting the technical scheme, the five-point rhombus temperature layout is selected, a larger and more effective temperature measurement range is ensured, and the obtained temperature data is more real.
According to another specific embodiment of the present invention, the method for monitoring the temperature of the vacuum moisture regain core on line disclosed in the embodiment of the present invention, in the step of measuring the temperature of the cigarette packet by using a five-point diamond temperature measuring point according to the center position of the cigarette packet, comprises: and adjusting the position of the five-point diamond temperature measuring point.
By adopting the technical scheme, the position of the five-point rhombic temperature measuring point is adjusted according to the central position of the cigarette packet, a larger and more effective temperature measuring range is ensured, and the obtained temperature data is more real.
According to another specific embodiment of the present invention, the online monitoring method for the temperature of the vacuum moisture regain core disclosed in the embodiment of the present invention includes the following steps: and judging the authenticity of the multiple groups of temperature data.
By adopting the technical scheme, the false values of the temperature are removed, so that misleading field operators due to false data of the temperature is avoided.
According to another specific embodiment of the present invention, the method for online monitoring of the temperature of the vacuum moisture regaining core disclosed in the embodiment of the present invention comprises the following steps: when the temperature data is that the group number of the real data is less than 3, the system gives an alarm; and when the group number of the real temperature is more than or equal to 3, judging whether the real temperature is in the effective temperature range.
By adopting the technical scheme, when the group number of the real data of the temperature data is less than 3, the system gives an alarm prompt, suspends the subsequent operation and reminds people to attend the field for processing in time; and when the group number of the real temperature is more than or equal to 3, performing subsequent operation, namely judging whether the real temperature is in the effective temperature range.
According to another specific embodiment of the present invention, the online monitoring method for the temperature of the vacuum moisture regain core disclosed in the embodiment of the present invention includes the following steps: and carrying out average calculation on the at least three groups of real temperatures to obtain an average real temperature, and judging whether the average real temperature is in the effective temperature range.
By adopting the technical scheme, more than three groups of real temperatures are selected for average calculation to obtain the average real temperature, and the obtained average real temperature has high reliability, so that whether the average real temperature is in the effective temperature range can be accurately judged, and misleading field operators is avoided.
The embodiment of the invention also discloses an online monitoring device for the temperature of the vacuum moisture regaining core, which comprises: a main body frame; the position sensor is arranged on a track for the box body to move and used for detecting the box body at a specified position; the laser range finders are arranged on the main body frame and correspond to four corners of the box body at the appointed position; a servo motor arranged on the side surface of the main body frame; the air cylinder is arranged on the main body frame and positioned above the box body, and the servo motor controls the movement of the air cylinder through the lifting structure; the temperature sensor is arranged on the temperature sensor seat, and the temperature sensor seat is connected with the air cylinder; the control unit is used for controlling the operation of the monitoring device; and the alarm instrument is connected with the control unit and used for giving an alarm prompt when the temperature of the cigarette packet exceeds the effective temperature range.
By adopting the technical scheme, the detection process of controlling the temperature of the vacuum moisture regain core by the PLC program is realized, and the detection efficiency, accuracy and automation degree are improved.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The effective temperature range refers to the preset temperature range of the cigarette packet after the vacuum moisture regain processing procedure according to the process requirements, the tobacco types and the like, and when the temperature of the cigarette packet is within the effective temperature range, the cigarette packet is considered to meet the production requirements.
An on-line monitoring method for the temperature of a vacuum moisture regain core according to an embodiment of the present invention is described below with reference to fig. 1. FIG. 1 is a flow chart of a method for online monitoring of vacuum moisture regain core temperature in accordance with an embodiment of the present invention. According to the embodiment of the invention, the method for monitoring the temperature of the vacuum moisture regaining core on line comprises the following steps:
s1: measuring the thickness of the cigarette packet in the case body by laser to obtain the central position of the cigarette packet;
s2: measuring the temperature of the cigarette packet according to the central position of the cigarette packet to obtain the temperature data of the cigarette packet;
s3: judging whether the temperature data is within the effective temperature range;
s4: when the temperature data exceeds the effective temperature range, the system gives an alarm.
Specifically, a tobacco bale which is just subjected to a vacuum moisture regain treatment process is placed in the box body, the thickness of the tobacco bale in the box body is measured through laser, and the center position of the tobacco bale in the box body is obtained; measuring the temperature of the cigarette packet according to the central position of the cigarette packet in the box body to obtain the temperature data of the cigarette packet; judging whether the temperature data is within the effective temperature range; when the temperature data exceeds the effective temperature range, the system gives an alarm. The online monitoring method for the temperature of the vacuum moisture regain core realizes the detection process of controlling the temperature of the vacuum moisture regain core by a PLC program, and improves the detection efficiency, accuracy and automation degree.
Further, at S1: the thickness of tobacco bale in the box is measured to the laser, before obtaining the central point of tobacco bale, includes: and after the box body is detected at the designated position, the system sends out a temperature measurement instruction. Avoiding misoperation and increasing the reliability of the system.
Further, at S2: according to the central point of tobacco bale in the box, carry out the temperature measurement to the tobacco bale, in obtaining the temperature data step of tobacco bale, include: and measuring the temperature of the cigarette packet by adopting a five-point diamond temperature measuring point according to the central position of the cigarette packet. And a five-point rhombus temperature layout is selected, so that a larger and more effective temperature measurement range is ensured, and the obtained temperature data is more real.
Specifically, fig. 2 is a schematic diagram of five-point diamond temperature measuring points according to an embodiment of the present invention, where a is located at the center of a tobacco bale, and B, C, D, E is set as four corners of the diamond, and B, C, D, E is connected to form the diamond with a as the center, and the diamond is used as the five-point diamond temperature measuring point of the tobacco bale.
Further, in the step of measuring the temperature of the cigarette packet by adopting a five-point diamond temperature measuring point according to the central position of the cigarette packet, the method comprises the following steps: and adjusting the position of the five-point diamond temperature measuring point. According to the central position of the cigarette packet, the position of the five-point rhombus temperature measuring point is adjusted, a larger and more effective temperature measuring range is ensured, and the obtained temperature data is more real.
Specifically, fig. 2 is a schematic diagram of a five-point diamond temperature measurement point according to an embodiment of the present invention, where the positions of four corners B, C, D, E of a diamond are adjusted according to a center position a of a cigarette packet, a diamond with a center a can still be formed by connecting B, C, D, E, the shape and size of the diamond are not limited, and the position of A, B, C, D, E is used as the five-point diamond temperature measurement point of the cigarette packet.
Further, at S3: judging whether the temperature data is in the effective temperature range, comprising the following steps: judging the authenticity of the multiple groups of temperature data, wherein when the temperature data is the group number of the real temperature which is less than 3, the system gives an alarm; and when the group number of the real temperature is more than or equal to 3, judging whether the real temperature is in the effective temperature range. And the false value of the temperature is removed, so that misleading field operators due to false data of the temperature is avoided.
Specifically, when the temperature of a cigarette packet in a certain factory production requirement vacuum moisture regain processing procedure is 70 ℃, the effective range of the corresponding set temperature can be 65-75 ℃: when the acquired cigarette packet temperature data obviously deviate from 65-75 ℃, if the room temperature is 28 ℃, the group of temperature data can be judged to be not the real temperature, the group of temperature data is eliminated, the reason of the phenomenon is that the temperature sensor is invalid, if the group number of the real data of the temperature data is less than 3, the system gives an alarm to prompt, the follow-up operation is suspended, personnel are reminded to go to the field for processing in time, and if the group number of the real temperature of the temperature data is more than or equal to 3, the follow-up operation is carried out, namely whether the real temperature is in the effective temperature range is judged. According to the technical scheme, the false values of the temperature are removed in time, so that misleading field operators due to false data of the temperature is avoided.
Further, in the step of judging whether the real temperature is within the effective range, the method comprises the following steps: and carrying out average calculation on the at least three groups of real temperatures to obtain an average real temperature, and judging whether the average real temperature is in the effective temperature range. More than three groups of real temperatures are selected for average calculation to obtain the average real temperature, and the obtained average real temperature is high in reliability, so that whether the average real temperature is within the effective temperature range can be accurately judged, and misleading of field operators is avoided.
An on-line monitoring device for the temperature of the vacuum moisture regain core according to the embodiment of the invention is described below with reference to fig. 3. Fig. 3 is a schematic structural diagram of an online monitoring device for vacuum moisture regain core temperature in an embodiment of the invention. According to the embodiment of the invention, the on-line monitoring device for the temperature of the vacuum moisture regaining core comprises: a main body frame 9; the control unit is used for controlling the operation of the monitoring device; a position sensor (not shown in the figure) arranged on a track for moving the box body 8 (made of metal) and used for detecting the box body 8 at a specified position, wherein the position sensor is used for positioning the box body and is controlled by a proximity switch, and the proximity switch is positioned at a fixed position on a production line (chain conveyor) and is positioned below the box body; the laser range finders 5 are arranged on the main body frame 9, correspond to four corners of the box body 8 at the appointed position, and are used for measuring the thickness of the cigarette packet in the box body by laser to obtain the central position of the cigarette packet; the cylinder 4 is arranged on the main body frame 9 and is positioned above the box body 8; and the temperature sensor 3 is arranged below the cylinder 4, and the temperature sensor 3 moves along with the movement of the cylinder 4 and is used for measuring the temperature of the cigarette packet. The vacuum moisture regain core temperature on-line monitoring device realizes the detection process of controlling the vacuum moisture regain core temperature by a PLC program, and improves the detection efficiency, accuracy and automation degree.
As shown in fig. 3, one side of the monitoring device is provided with a ladder stand 1, so that an operator can check the field condition in time. In addition, the PLC and the branch plant main monitoring system introduce data into the operation station in a communication mode, an operator can remotely view on-site parameters of each point in a control room, and an on-site display panel is additionally arranged on the site, so that on-site personnel can conveniently view on-site parameters of each sensor and system operation in real time.
Furthermore, the temperature sensor 3 is arranged on the temperature sensor seat 2, a five-point diamond temperature measuring point is adopted, the temperature sensor seat 2 is connected with the cylinder 4, and the temperature sensor 3 moves along with the movement of the cylinder 4. Specifically, the vacuum moisture regain core temperature online monitoring device provided by the embodiment of the invention comprises 5 temperature sensors, wherein the 5 temperature sensors are arranged in a five-point rhombus manner, as shown in fig. 2, a five-point rhombus temperature measuring point is adopted to measure the temperature of the cigarette packet, the five-point rhombus temperature arrangement is adopted, a larger and more effective temperature measuring range is ensured, and the obtained temperature data is more real.
Further, the vacuum moisture regain core temperature on-line monitoring device further comprises: and the alarm instrument is connected with the control unit and used for giving an alarm prompt when the temperature of the cigarette packet exceeds the effective temperature range. The setting mode of the control unit and the alarm instrument is not limited.
Further, the vacuum moisture regain core temperature on-line monitoring device further comprises: the servo motor 13 is arranged on the side face of the main body frame 9, the servo motor 13 controls the movement of the air cylinder 4 through the lifting mechanism, the lifting mechanism comprises a lifting adjusting part 6 and a lifting screw rod 7, and the lifting screw rod 7 can be adjusted through the lifting adjusting part 6.
Furthermore, the temperature sensor 3 is a stainless steel armored resistor, the precision is A level, the output signal is a Danfoss temperature transmitter, the output signal is 4-20 mA, cables are saved, and the anti-interference capability is high.
Fig. 3 is a schematic structural diagram of an online monitoring device for vacuum moisture regain core temperature in an embodiment of the invention. Specifically, after the box 8 on the assembly line 10 reaches a designated position, the position sensor detects the box 8 at the designated position, the system (PLC program) sends a temperature measurement instruction, the laser range finder 5 measures the thickness of the cigarette packet in the box to obtain the central position of the cigarette packet, the PLC program adjusts the position of the five-point rhombus temperature measurement point according to the central position of the cigarette packet, the servo motor 13 controls the movement of the cylinder 4 through the lifting mechanism, thereby driving the 5 temperature sensors to move to the five-point rhombus temperature measurement point to obtain five groups of temperature measurement data, and the PLC program judges the authenticity of the five groups of temperature measurement data, as described above, for example, when the temperature of the cigarette packet in a certain factory production requirement vacuum moisture regain processing procedure is 70 ℃, the effective temperature range can be correspondingly set to be 65-75 ℃: when the acquired cigarette packet temperature data obviously deviate from 65-75 ℃, if the room temperature is 28 ℃, the group of temperature data can be judged to be not the real temperature, the group of temperature data is eliminated, the reason of the phenomenon is that the temperature sensor is invalid, if the group number of the real data of the temperature data is less than 3, the system gives an alarm to prompt, the follow-up operation is suspended, personnel are reminded to go to the field for processing in time, and if the group number of the real temperature of the temperature data is more than or equal to 3, the follow-up operation is carried out, namely whether the real temperature is in the effective temperature range is judged. According to the technical scheme, the false values of the temperature are removed in time, so that misleading field operators due to false data of the temperature is avoided.
Furthermore, more than three groups of real temperatures are selected for average calculation to obtain the average real temperature, and the obtained average real temperature is high in reliability, so that whether the average real temperature is within the effective temperature range can be accurately judged, and misleading of field operators is avoided.
In conclusion, the online monitoring method and device for the temperature of the vacuum moisture regaining core provided by the invention realize the detection process of controlling the temperature of the vacuum moisture regaining core by a PLC program, and improve the detection efficiency, accuracy and automation degree. Through vacuum conditioning package core temperature on-line measuring, can collect a large amount of temperature data, for come the effect of penetrating back and the vacuum setting of reflecting vacuum conditioning equipment through outlet temperature in the future as important basis, can establish mathematical model through data analysis, bring the vacuum of equipment, the steam pressure of moisturizing and the time of moisturizing into feedback control to realize comprehensive automatic adjustment.
The invention may include a combination of the various embodiments described below.
According to the invention, the method for monitoring the temperature of the vacuum moisture regaining core on line comprises the following steps: measuring the thickness of the cigarette packet in the case body by laser to obtain the central position of the cigarette packet; measuring the temperature of the cigarette packet according to the central position of the cigarette packet to obtain the temperature data of the cigarette packet; and judging whether the temperature data is within the effective temperature range or not, wherein when the temperature data exceeds the effective temperature range, the system gives an alarm.
According to the method for monitoring the temperature of the vacuum moisture regain core on line, which is provided by the example 2 of the invention, before the step of measuring the thickness of the tobacco bale in the box body by laser and acquiring the central position of the tobacco bale, the method comprises the following steps of: and after the box body is detected at the designated position, the system sends out a temperature measurement instruction.
According to the method for monitoring the temperature of the vacuum moisture regain core on line, provided by the invention in the example 3, in the step of measuring the temperature of the cigarette packet and acquiring the temperature data of the cigarette packet according to the central position of the cigarette packet, the method comprises the following steps: and measuring the temperature of the cigarette packet by adopting a five-point diamond temperature measuring point according to the central position of the cigarette packet.
According to the method for monitoring the temperature of the vacuum moisture regain core on line, which is provided by the example 4 of the invention, in the step of measuring the temperature of the cigarette packet by adopting a five-point diamond temperature measurement point according to the central position of the cigarette packet, the method comprises the following steps: and adjusting the position of the five-point diamond temperature measuring point.
According to the method for monitoring the temperature of the vacuum moisture regain core on line provided by the example 5 of the invention, in the step of judging whether the temperature data is within the effective temperature range, the method comprises the following steps: and judging the authenticity of the multiple groups of temperature data.
According to the vacuum moisture regain core temperature online monitoring method provided by the embodiment 6 of the invention, in the step of judging the authenticity of the multiple groups of temperature data, the method comprises the following steps: when the temperature data is that the group number of the real data is less than 3, the system gives an alarm; and when the group number of the real temperature is more than or equal to 3, judging whether the real temperature is in the effective temperature range.
According to the vacuum moisture regain core temperature online monitoring method provided by the embodiment 7 of the invention, in the step of judging whether the real temperature is within the effective temperature range, the method comprises the following steps: and carrying out average calculation on the at least three groups of real temperatures to obtain an average real temperature, and judging whether the average real temperature is in the effective temperature range.
According to the invention, the on-line monitoring device for the temperature of the vacuum moisture regaining core comprises: a main body frame; the control unit is used for controlling the operation of the monitoring device; the position sensor is arranged on a track for the box body to move and used for detecting the box body at a specified position; the laser range finders are arranged on the main body frame and correspond to four corners of the box body at the appointed position; the cylinder is arranged on the main body frame and is positioned above the box body; and the temperature sensor is arranged below the cylinder and moves along with the movement of the cylinder.
According to the vacuum moisture regain core temperature online monitoring device provided by the invention in the example 9, the temperature sensor is arranged on the temperature sensor seat, a five-point rhombic temperature measuring point is adopted, and the temperature sensor seat is connected with the cylinder.
According to example 10 of the present invention, there is provided an online temperature monitoring device for vacuum moisture regain core, further comprising: and the alarm instrument is connected with the control unit and used for giving an alarm prompt when the temperature of the cigarette packet exceeds the effective temperature range.
According to example 11 of the present invention, there is provided an online temperature monitoring device for vacuum moisture regain core, further comprising: and the servo motor is arranged on the side surface of the main body frame and controls the movement of the cylinder through the lifting mechanism.
According to the vacuum moisture regain core temperature on-line monitoring device provided by the example 12 of the invention, the lifting mechanism comprises a lifting adjusting part and a lifting screw rod, wherein the lifting screw rod can be adjusted by the lifting adjusting part.
According to example 13 of the present invention, there is provided an on-line vacuum moisture regain core temperature monitoring device, wherein the temperature sensor is a stainless steel armored resistor.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, taken in conjunction with the specific embodiments thereof, and that no limitation of the invention is intended thereby. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.