Cigarette circumference online detection and correction device

By scanning the cigarette circumference data with a laser light source and a CCD camera, combined with an online detection and correction device for encoders and controllers, the problem of low efficiency in existing cigarette circumference detection is solved, and real-time adjustment and quality control of the cigarette circumference are realized.

CN223896778UActive Publication Date: 2026-02-10CHINA TOBACCO HENAN IND CO LTD
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Patent Information

Application Number
CN202520522666.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-02-10
Estimated Expiration
2035-03-24

AI Technical Summary

Technical Problem

Current methods for detecting the circumference of cigarettes mainly rely on manual measurement, which suffers from low efficiency and timeliness. Furthermore, the measurement results are easily affected by external factors and cannot be adjusted in real time.

Method used

It uses a laser light source to form a 360-degree diffraction wave, combined with a CCD camera to scan the circumference data of the cigarette, and obtains the speed of the packaging machine through an encoder. The controller calculates the circumference value of the cigarette and adjusts the circumference size of the cigarette in real time. It is equipped with a touch screen display, alarm device and rejection mechanism to realize online detection and correction.

Benefits of technology

It improves the convenience and efficiency of cigarette circumference detection, reduces losses caused by improper quality control, and enables real-time correction and quality control of cigarette circumference.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an online detection and correction device for the circumference of a cigarette. The online detection and correction device comprises a laser light source, a CCD (Charge Coupled Device) camera, an encoder and a controller, the multiple sets of laser light sources are arranged at a cigarette output port of the cigarette packaging machine so that 360-degree diffraction waves can be formed for produced cigarettes. And the CCD camera scans the produced cigarette to acquire corresponding cigarette circumference data. The encoder is arranged on a motor rotating shaft of the cigarette packaging machine and used for collecting the production rotating speed of the packaging machine in real time. The controller is in signal connection with the CCD camera, the encoder and the cigarette circumference adjusting mechanism. And the controller calculates the collected cigarette circumference data according to the detection signal of the encoder to obtain a cigarette circumference value, and controls the cigarette circumference adjusting mechanism to correct the cigarette circumference size according to the cigarette circumference value and a preset circumference limit value. According to the utility model, the convenience and efficiency of cigarette circumference detection can be improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of cigarette circumference detection, and more specifically, to an online detection and correction device for cigarette circumference. Background Technology

[0002] Cigarette circumference is a physical indicator of cigarette quality, and the stability of its dimensions plays a fundamental role in controlling cigarette quality, draw resistance, and other indicators. Current cigarette circumference detection processes primarily rely on manual measurement or offline instruments, which suffer from high detection frequency, long adjustment feedback wait times, and susceptibility to external factors such as measurement methods and environment. This results in low timeliness of measurement results and the inability to quantify the cigarette circumference, thus failing to support adjustments to the cigarette's circumference. Therefore, finding a convenient and accurate method for detecting and correcting cigarette circumference is of great significance. Utility Model Content

[0003] This invention provides an online detection and correction device for the circumference of cigarettes, which solves the problems of low efficiency and timeliness caused by the manual measurement of cigarette circumference in existing methods. It can improve the convenience and efficiency of cigarette circumference detection and reduce losses caused by improper quality control.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] An online detection and correction device for the circumference of a cigarette includes: a laser light source, a CCD camera, an encoder, and a controller;

[0006] Multiple sets of the aforementioned laser light sources are set at the cigarette output port of the cigarette packaging machine to form a 360-degree diffraction wave on the produced cigarettes;

[0007] The CCD camera scans the produced cigarettes to collect the corresponding cigarette circumference data.

[0008] The encoder is installed on the motor shaft of the cigarette packaging machine to collect the production speed of the packaging machine in real time;

[0009] The controller is connected to the CCD camera, the encoder, and the cigarette circumference adjustment mechanism via signals respectively.

[0010] The controller calculates the cigarette circumference value based on the detection signal from the encoder and the collected cigarette circumference data. Then, it controls the cigarette circumference adjustment mechanism to correct the cigarette circumference size based on the cigarette circumference value and the preset circumference limit.

[0011] Preferably, it also includes: a touch screen;

[0012] The touch screen is connected to the controller via a signal. The touch screen has a human-machine interface and displays the circumference value of the cigarette corresponding to the produced cigarette in real time.

[0013] Preferably, it also includes: an alarm device;

[0014] The controller is signal-connected to the alarm device, and the controller controls the alarm device to sound an alarm when the circumference value of the cigarette exceeds the preset circumference limit.

[0015] Preferably, the alarm device includes at least one of the following: an indicator light, a buzzer, and an audible and visual alarm.

[0016] Preferably, it also includes: a rejection mechanism;

[0017] The controller is signal-connected to the rejection mechanism, and the controller controls the rejection mechanism to reject the corresponding cigarette when the circumference value of the cigarette exceeds the preset circumference limit.

[0018] Preferably, it also includes: a self-cleaning system;

[0019] The controller is connected to the self-cleaning system and controls the self-cleaning system to clean the CCD camera and laser light source within a set time.

[0020] Preferably, the self-cleaning system includes: a purging device and a solenoid valve;

[0021] The purging device is connected to an external compressed air source via an air pipe. The solenoid valve is installed on the air pipe. The controller is signal-connected to the solenoid valve and controls the solenoid valve to open when the circumference value of the cigarette exceeds the preset circumference limit, so that the purging device can perform self-cleaning purging.

[0022] Preferably, it also includes: a speed sensor;

[0023] The speed sensor is connected to the controller via a signal, and the speed sensor is used to collect the cigarette conveying speed.

[0024] The controller calculates the average number of cigarette circumference data within at least one cycle based on the cigarette conveying speed and the collected cigarette circumference data.

[0025] Preferably, it also includes: a remote terminal;

[0026] The remote terminal is connected to the controller via an Ethernet network signal, allowing the user to query the circumferential data of the produced cigarettes in real time through the remote terminal. Preferably, the controller is a PLC programmable controller.

[0027] This invention provides an online detection and correction device for the circumference of cigarettes. It employs multiple laser light sources to generate 360-degree diffraction waves around the produced cigarettes, and then uses a CCD camera to scan and synthesize the circumference data of the entire cigarette. The controller calculates the cigarette circumference value based on the encoder's detection signal and the collected circumference data, and then controls the correction of the cigarette circumference size according to a preset circumference limit. This invention solves the problems of low efficiency and timeliness in existing manual cigarette circumference detection methods, improving the convenience and efficiency of cigarette circumference detection and reducing losses caused by improper quality control. Attached Figure Description

[0028] To more clearly illustrate the specific embodiments of this utility model, the accompanying drawings used in the embodiments will be briefly described below.

[0029] Figure 1 This is a schematic diagram of an online detection and correction device for the circumference of a cigarette provided by this utility model. Detailed Implementation

[0030] To enable those skilled in the art to better understand the embodiments of this utility model, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and implementation methods.

[0031] To address the issues of low efficiency and timeliness in the current manual measurement of cigarette circumference, this invention provides an online detection and correction device for cigarette circumference. This device solves the problems of low efficiency and timeliness in the current manual measurement of cigarette circumference, improves the convenience and efficiency of cigarette circumference detection, and reduces losses caused by improper quality control.

[0032] like Figure 1 As shown, an online detection and correction device for cigarette circumference includes: a laser light source, a CCD camera, an encoder, and a controller. Multiple sets of the laser light sources are positioned at the cigarette output port of a cigarette packaging machine to generate 360-degree diffraction waves on the produced cigarettes. The CCD camera scans the produced cigarettes to acquire corresponding cigarette circumference data. The encoder is mounted on the motor shaft of the cigarette packaging machine to collect the machine's production speed in real time. The controller is connected to the CCD camera, the encoder, and the cigarette circumference adjustment mechanism. The controller calculates the cigarette circumference value based on the encoder's detection signal and the acquired cigarette circumference data, and controls the cigarette circumference adjustment mechanism to correct the cigarette circumference size based on the cigarette circumference value and a preset circumference limit.

[0033] Specifically, the CCD camera employs a laser CCD scanning diameter sensor, a high-speed DSP image processing module, and specialized image processing software to acquire circumferential data of the produced cigarettes. The controller calculates the time it takes for a single cigarette to pass through based on the production speed of the packaging machine collected by the encoder, and then combines this data with the cigarette's circumference data to calculate the cigarette's circumference value. Simultaneously, the controller controls the circumferential adjustment mechanism to correct the cigarette's circumferential dimensions according to preset circumferential limits. This device improves the convenience and efficiency of cigarette circumference detection and reduces losses caused by improper quality control.

[0034] The device also includes a touch screen; the touch screen is signal-connected to the controller, the touch screen has a human-machine interface, and displays the circumference value of the cigarette corresponding to the produced cigarette in real time.

[0035] The device also includes: an alarm device; the controller is signal-connected to the alarm device, and the controller controls the alarm device to sound an alarm when the circumference value of the cigarette exceeds the preset circumference limit.

[0036] Furthermore, the alarm device includes at least one of the following: an indicator light, a buzzer, and an audible and visual alarm.

[0037] The device further includes: a rejection mechanism; the controller is signal-connected to the rejection mechanism, and the controller controls the rejection mechanism to reject the corresponding cigarette when the circumference value of the cigarette exceeds the preset circumference limit.

[0038] The device also includes a self-cleaning system; the controller is signal-connected to the self-cleaning system and controls the self-cleaning system to clean the CCD camera and laser light source within a set time.

[0039] Furthermore, the self-cleaning system includes a purging device and a solenoid valve; the purging device is connected to an external compressed air source via an air pipe, the solenoid valve is mounted on the air pipe, the controller is signal-connected to the solenoid valve, and controls the solenoid valve to open when the circumference value of the cigarette exceeds the preset circumference limit, so that the purging device performs self-cleaning purging.

[0040] The device further includes: a speed sensor; the speed sensor is signal-connected to the controller, and the speed sensor is used to collect the cigarette conveying speed; the controller calculates the average number of cigarette circumference data within at least one cycle based on the cigarette conveying speed and the collected cigarette circumference data.

[0041] In practical applications, the cigarette production cycle is calculated based on the conveying speed, and the circumference data within a cycle is calculated based on the cigarette circumference data. The average of a set of circumference data is used as the current measured cigarette circumference value to guide the circumference adjustment device to make real-time adjustments to the circumference.

[0042] The device also includes a remote terminal; the remote terminal is connected to the controller via an Ethernet signal, and the user can query the circumferential data of the produced cigarettes in real time through the remote terminal.

[0043] Furthermore, the controller is a PLC programmable controller.

[0044] As can be seen, this utility model provides an online detection and correction device for the circumference of cigarettes. It employs multiple laser light sources to generate 360-degree diffraction waves on the produced cigarettes, and then uses a CCD camera to scan and synthesize the circumference data of the entire cigarette. The controller calculates the cigarette circumference value based on the encoder's detection signal and the collected cigarette circumference data, and then controls the correction of the cigarette circumference size according to a preset circumference limit. This solves the problems of low efficiency and timeliness in existing cigarette circumference detection methods that rely on manual measurement, improving the convenience and efficiency of cigarette circumference detection and reducing losses caused by improper quality control.

[0045] The structure, features and effects of this utility model have been described in detail above with reference to the embodiments shown in the figures. The above description is only a preferred embodiment of this utility model, but the scope of implementation of this utility model is not limited to what is shown in the figures. Any changes made in accordance with the concept of this utility model, or modifications to equivalent embodiments, that do not exceed the spirit covered by the specification and figures, shall be within the protection scope of this utility model.

Claims

1. An online detection and correction device for the circumference of a cigarette, characterized in that, include: Laser light source, CCD camera, encoder and controller; Multiple sets of the aforementioned laser light sources are set at the cigarette output port of the cigarette packaging machine to form a 360-degree diffraction wave on the produced cigarettes; The CCD camera scans the produced cigarettes to collect the corresponding cigarette circumference data. The encoder is installed on the motor shaft of the cigarette packaging machine to collect the production speed of the packaging machine in real time; The controller is connected to the CCD camera, the encoder, and the cigarette circumference adjustment mechanism via signals respectively. The controller calculates the cigarette circumference value based on the detection signal from the encoder and the collected cigarette circumference data. Then, it controls the cigarette circumference adjustment mechanism to correct the cigarette circumference size based on the cigarette circumference value and the preset circumference limit.

2. The online detection and correction device for the circumference of a cigarette according to claim 1, characterized in that, Also includes: touchscreen; The touch screen is connected to the controller via a signal. The touch screen has a human-machine interface and displays the circumference value of the cigarette corresponding to the produced cigarette in real time.

3. The online detection and correction device for the circumference of a cigarette according to claim 2, characterized in that, Also includes: Alarm device; The controller is signal-connected to the alarm device, and the controller controls the alarm device to sound an alarm when the circumference value of the cigarette exceeds the preset circumference limit.

4. The online detection and correction device for the circumference of a cigarette according to claim 3, characterized in that, The alarm device includes at least one of the following: indicator light, buzzer, and audible and visual alarm.

5. The online detection and correction device for the circumference of a cigarette according to claim 4, characterized in that, Also includes: Elimination institutions; The controller is signal-connected to the rejection mechanism, and the controller controls the rejection mechanism to reject the corresponding cigarette when the circumference value of the cigarette exceeds the preset circumference limit.

6. The online detection and correction device for the circumference of a cigarette according to claim 5, characterized in that, Also includes: Self-cleaning system; The controller is connected to the self-cleaning system and controls the self-cleaning system to clean the CCD camera and laser light source within a set time.

7. The online detection and correction device for the circumference of a cigarette according to claim 6, characterized in that, The self-cleaning system includes: a purging device and a solenoid valve; The purging device is connected to an external compressed air source via an air pipe. The solenoid valve is installed on the air pipe. The controller is signal-connected to the solenoid valve and controls the solenoid valve to open when the circumference value of the cigarette exceeds the preset circumference limit, so that the purging device can perform self-cleaning purging.

8. The online detection and correction device for the circumference of a cigarette according to claim 7, characterized in that, Also includes: Speed ​​sensor; The speed sensor is connected to the controller via a signal, and the speed sensor is used to collect the cigarette conveying speed. The controller calculates the average number of cigarette circumference data within at least one cycle based on the cigarette conveying speed and the collected cigarette circumference data.

9. The online detection and correction device for the circumference of a cigarette according to claim 8, characterized in that, Also includes: remote terminals; The remote terminal is connected to the controller via an Ethernet network signal, and the user can query the circumferential data of the produced cigarettes in real time through the remote terminal.

10. The online detection and correction device for the circumference of a cigarette according to claim 9, characterized in that, The controller is a PLC programmable controller.