Cigarette flameout detector
By designing a cigarette flameout detector, a visual inspection camera and an automated clamping and rotating mechanism were used to solve the problem of large errors in manual inspection and achieve high-precision automated flameout detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHENGZHOU GUARDIAN ELECTROMECHANICAL TECH CO LTD
- Filing Date
- 2025-04-26
- Publication Date
- 2026-04-21
AI Technical Summary
Existing cigarette extinguishing detection methods rely on manual operation, resulting in large measurement errors, poor accuracy and consistency, and difficulty in guaranteeing the accuracy of test results.
A cigarette flameout detector was designed, which uses a visual inspection camera to detect the combustion line in real time, and automatically judges and measures the shortest position of the combustion line from the filter tip through an automated cigarette clamping and rotating mechanism and an image capturing component.
It achieves fully automated cigarette flameout detection, reduces the influence of human factors, improves the accuracy and consistency of measurements, and ensures the precision of test results.
Smart Images
Figure CN224152436U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cigarette combustion, specifically a cigarette flameout detector. This device can detect the combustion line in real time and automatically find and measure the shortest position of the combustion line from the filter tip. Background Technology
[0002] With the development of the tobacco industry, the variety of cigarettes is becoming more and more diversified, and the tobacco industry is paying more and more attention to user evaluation. Among them, the non-human-caused extinguishing of cigarettes during combustion is an important evaluation indicator. GBT 22838.11-2009 "Determination of Physical Properties of Cigarettes and Filters - Part 11: Cigarette Extinguishing" specifies the test method and test for extinguishing. After the cigarette is lit and extinguished, the shortest length of the remaining cigarette paper is tested.
[0003] Because the burning line of a cigarette is not a straight line along the axial direction after the cigarette burns out, but rather an irregular shape such as a wave or sawtooth along the axial direction, the commonly used method is to manually light the cigarette, and after it goes out, manually rotate the cigarette to observe the burning line of the cigarette paper, select the shortest position of the burning line from the filter tip, and manually measure the shortest length using a steel ruler. The manual inspection operation is complicated, and the accuracy and consistency of the measurement are poor due to the influence of human factors, making it difficult to guarantee the test accuracy. Utility Model Content
[0004] The purpose of this invention is to design a cigarette flameout detector based on the above-mentioned existing technology. It can realize real-time detection of the combustion line by a visual inspection camera, automatically determine whether the cigarette is extinguished, and automatically find and measure the shortest position of the combustion line from the filter tip.
[0005] The objective of this utility model is achieved through the following technical solution:
[0006] A cigarette flameout detector includes a detection box, an image capturing component installed in the box, and a cigarette clamping and rotating mechanism installed on the bottom plate of the box. The cigarette clamping and rotating mechanism includes a cigarette clamp, a power unit for driving the cigarette clamp to rotate, and a clamp fixing seat. The power unit consists of a linear motor, a screw, a sliding nut, and a rack fixed together with the sliding nut and sliding synchronously. The rack is installed on a linear guide rail. There are multiple sets of cigarette clamps, which are arranged on both sides of the rack. Each cigarette clamp is supported on the fixing seat by a bearing, and the tail end of the clamp is connected to a gear adapted to the rack. An exhaust fan is installed on the top of the box.
[0007] Furthermore, the cigarette extinguishing detector also includes a computer control display electrically connected to the image capturing component, which is located on one side outside the detection box.
[0008] Furthermore, an ashtray is provided below the cigarette holder.
[0009] Furthermore, the rack is mounted on the linear guide rail via an adapter plate.
[0010] Furthermore, the image capturing component includes a vision camera and a light source. The image capturing component is mounted on the upper part of the box via a bracket plate and is located directly above the cigarette clamping and rotating mechanism.
[0011] During the test, all cigarettes were inserted into the cigarette holder one by one, and lit one by one using a manual ignition device. Image detection was then activated. During the cigarette combustion process, the rotating mechanism remained stationary, and the cigarettes burned statically. When the burning line stopped moving forward for a certain period of time, the cigarette was considered extinguished. If the burning line reached the filter rod end, it was considered that the combustion was complete but the cigarette was not extinguished. After all the cigarettes had burned, the cigarette holder rotating mechanism was used to rotate the cigarettes 360°. The vision camera measured the burning line in real time during the rotation of the extinguished cigarettes. After the rotation was completed, the shortest distance was selected as the test result.
[0012] The advantages of this invention are: it avoids the problems of complex manual testing operations, poor accuracy and consistency due to human factors affecting measurement errors, and full automation, which can guarantee testing accuracy. Attached Figure Description
[0013] Figure 1 This is a front view of the cigarette flameout detector of this utility model.
[0014] Figure 2 for Figure 1 Axonometric view,
[0015] Figure 3 for Figure 1 A partial schematic diagram (after removing the front windshield frame).
[0016] Figure 4 This is an isometric view of the cigarette clamping and rotating mechanism of this utility model.
[0017] Figure 5 This is a top view of the cigarette clamping and rotating mechanism of this utility model (with the fixing base removed).
[0018] Figure 6 for Figure 5 Axonometric drawing,
[0019] Figure 7 This is a front view of the image capturing device in this utility model.
[0020] Figure 1-7Components: 1-Detection box; 2-Computer control display; 3-Exhaust fan; 4-Cigarette clamping and rotating mechanism; 4.1-Fixed base; 4.2-Cigarette holder; 4.3-Bearing; 4.4-Gear; 4.5-Rack; 4.6-Linear guide rail; 4.7-Adapter plate; 4.8-Sliding nut; 4.9-Linear motor; 4.10-Screw; 5-Cigarette; 6-Ashtray; 7-Image capturing component; 7.1-Camera; 7.2-Light source; 7.3-Bracket plate. Detailed Implementation
[0021] The present invention will be further described below with reference to the accompanying drawings:
[0022] like Figure 1-7 The image shows a cigarette flameout detector, comprising a detection box 1, an image capturing component 7 disposed within the box, and a cigarette clamping and rotating mechanism 4 disposed on the bottom plate of the box. The cigarette clamping and rotating mechanism 4 includes a cigarette clamp 4.2, a power unit for driving the cigarette clamp to rotate, and a clamp fixing seat 4.1. The power unit consists of a linear motor 4.9, a screw 4.10, a sliding nut 4.8, and a rack 4.5 fixed together with the sliding nut and sliding synchronously. The rack 4.5 is mounted on a linear guide rail 4.6 via an adapter plate 4.7, and the linear guide rail restricts its movement to linear motion only. Multiple sets of cigarette clamps 4.2 are arranged on both sides of the rack 4.5. Each cigarette clamp is supported on the fixing seat 4.1 by a bearing 4.3, and the tail end of the clamp is connected to a gear 4.4 adapted to the rack 4.5. An exhaust fan 3 is disposed on the top of the box.
[0023] The cigarette extinguishing detector also includes a computer control display 2 electrically connected to the image capturing component 7, which is located on the outside of the detection box.
[0024] An ashtray 6 is provided below the cigarette holder 4.2.
[0025] The image capturing component 7 includes a vision camera 7.1 and a light source 7.2. The image capturing component is mounted on the upper part of the box via a bracket plate 7.3 and is located directly above the cigarette clamping and rotating mechanism 4.
[0026] Furthermore, the cigarette holder 4.2 is a cigarette clamping and fixing device, into which the cigarette can be inserted. It has a certain frictional force, making it difficult for the cigarette to rotate relative to the cigarette holder.
[0027] The linear motor 4.9 is an externally driven motor. When the motor is started, the sliding nut 4.8 can slide on the screw 4.10, thereby driving the rack 4.5, which is fixed together with the sliding nut, to move. Pushing the rack to move will drive the gear 4.4 to rotate, so that the cigarette rotates 360 degrees.
[0028] The linear motor is one type of drive; other linear motion types, such as linear modules, can also be used.
[0029] The gear and rack configuration can also be replaced by other configurations, such as a timing belt and a timing pulley.
[0030] The image capturing component 7 is fixed on the box and located directly above the cigarette clamping and rotating mechanism 4. When the cigarette is burning, the camera 7.1 captures the burning of the cigarette, monitors the burning status of the cigarette in real time, identifies when the cigarette is extinguished, and tests the shortest distance of the remaining cigarette paper.
[0031] The testing process of this utility model is further explained in conjunction with the accompanying drawings:
[0032] First, insert all cigarettes one by one into the cigarette holder 4.2, and light them one by one using the manual ignition device. Start image detection. During the cigarette combustion process, the rotating mechanism remains stationary, and the cigarette burns statically. When the burning line stops moving forward for a certain period of time, it is considered that the cigarette has been extinguished. If the burning line reaches the filter rod end, it is considered that the combustion is complete but the cigarette has not been extinguished. After all the cigarettes have burned, use the cigarette holder rotating mechanism to rotate the cigarettes 360°. The vision camera 7.1 measures the burning line in real time during the rotation of the extinguished cigarettes. After the rotation is completed, the shortest distance is selected as the test result.
Claims
1. A cigarette extinguishing detector, characterized by: The device includes a detection box, an image capturing component installed inside the box, and a cigarette clamping and rotating mechanism installed on the bottom plate of the box. The cigarette clamping and rotating mechanism includes a cigarette clamp, a power unit for driving the cigarette clamp to rotate, and a clamp fixing seat. The power unit consists of a linear motor, a screw, a sliding nut, and a rack that is fixed together with the sliding nut and slides synchronously. The rack is mounted on a linear guide rail. There are multiple sets of cigarette clamps, which are arranged on both sides of the rack. Each cigarette clamp is supported on the fixing seat by a bearing, and the tail end of the clamp is connected to a gear adapted to the rack. An exhaust fan is installed on the top of the box.
2. The cigarette extinguishing detector according to claim 1, characterized in that: The cigarette extinguishing detector also includes a computer-controlled display that is electrically connected to the image capturing unit.
3. The cigarette extinguishing detector according to claim 1, wherein: An ashtray is located below the cigarette holder.
4. The cigarette extinguishing detector according to claim 1, characterized in that: The rack is mounted on the linear guide rail via an adapter plate.
5. The cigarette extinguishing detector according to claim 2, wherein: The computer-controlled display is located on one side outside the testing box.
6. The cigarette extinguishing detector according to claim 1, wherein: The image capturing component includes a vision camera and a light source.
7. The cigarette extinguishing detector according to claim 1 or 6, characterized in that: The image capturing component is mounted on the upper part of the box via a bracket plate and is located directly above the cigarette clamping and rotating mechanism.