CN113551621B - Heating cigarette duty cycle detection device - Google Patents
Heating cigarette duty cycle detection device Download PDFInfo
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- CN113551621B CN113551621B CN202110813019.8A CN202110813019A CN113551621B CN 113551621 B CN113551621 B CN 113551621B CN 202110813019 A CN202110813019 A CN 202110813019A CN 113551621 B CN113551621 B CN 113551621B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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Abstract
The invention belongs to the field of heating cigarette detection equipment, and particularly relates to a heating cigarette duty ratio detection device; comprises a flip feed inlet arranged on a shell, and a blanking mechanism, a material cleaning mechanism, a material pushing mechanism and a visual detection mechanism which are arranged inside the shell; a blanking mechanism; the automatic feeding device is used for acquiring products falling from a discharge hole of the storage bin one by one, and the acquired products are automatically fed to a material cleaning mechanism below the automatic feeding device for visual detection; the material cleaning mechanism is used for cleaning the detected product to a recovery box; a pushing mechanism; the device is used for pushing the product on the material cleaning mechanism to one end of the visual detection mechanism for detection; a visual detection mechanism; for illuminating a light source to an end face of the product, imaging using a camera. According to the invention, the end face of the smoke generating section is photographed by adopting a visual method, and the duty ratio of the sheet of the smoke generating section is calculated by adopting a visual system and a computer algorithm, so that a strong technical support is provided for detecting the filling amount of the heated cigarette sheet.
Description
Technical Field
The invention belongs to the field of heating cigarette detection equipment, and particularly relates to a heating cigarette duty ratio detection device.
Background
With the acceleration of related research work in the aspect of heating cigarettes in the tobacco industry, the detection of various product parameters of the heating cigarettes is rapidly developed. The quality of cigarettes is gradually paid attention to in the current tobacco industry, the detection of the sheet filling quantity of a heating cigarette smoke section of the cigarettes is used as an important index for measuring the quality of the cigarettes, the filling value is low, the complete heating of sheet tobacco shreds is not facilitated, the release of smoke aerosol is low, and the smoking taste of consumers is poor; the filling value is high, the insertion and the extraction of a heating needle or a heating sheet of the smoking set are not facilitated, and the sucked sheet tobacco shreds are easy to remain in the smoking set and are difficult to clean. The existing detection instrument which is not specially used for detecting the filling capacity of the sheet of the smoke generating section of the heating cigarette generally adopts the detection indexes of the hardness and the smoke resistance of the cigarette to indirectly reflect the filling condition of the smoke generating section of the cigarette, but the indirect test is not intuitive, and the indirect test is easily interfered by other factors to influence judgment, so that a detection device is needed to directly detect the filling capacity of the sheet of the smoke generating section of the heating cigarette.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a heating cigarette duty ratio detection device, irradiates the end face of a heating cigarette smoke section according to a visual detection technology, can accurately distinguish tobacco shred arrangement according to image resolution, converts images into numbers through a professional software algorithm, calculates the duty ratio of heating cigarette slices, and judges whether the filling of the heating cigarette tobacco shreds is full or not according to the ratio of the area of the end face slices of the heating cigarette smoke section to the total area of the end face, thereby solving the problem of extrusion deformation technology in the prior art.
The application is realized by the following technical scheme:
a device for detecting the duty ratio of a heated cigarette comprises
A flip feed inlet arranged on the shell, and a blanking mechanism, a material cleaning mechanism, a material pushing mechanism and a visual detection mechanism which are arranged in the shell;
a blanking mechanism; the automatic feeding device is used for acquiring products falling from a discharge hole of the storage bin one by one, and the acquired products are automatically fed to a material cleaning mechanism below the automatic feeding device for visual detection;
the material cleaning mechanism is used for cleaning the detected product to a recovery box;
a pushing mechanism; the device is used for pushing the product on the material cleaning mechanism to one end of the visual detection mechanism for detection;
a visual detection mechanism; for illuminating a light source to an end face of the product, imaging using a camera.
Further scheme, blanking mechanism still includes drive assembly, and drive assembly includes eccentric wheel and blanking gyro wheel, and the blanking gyro wheel is located the below of feed bin discharge gate, has a material groove on the blanking gyro wheel, and one side of blanking gyro wheel and discharge gate is equipped with the eccentric wheel, and drive assembly's first drive arrangement is used for driving eccentric wheel and blanking gyro wheel through the belt, and the space size that the eccentric wheel rotated the change discharge gate carries out the blanking.
In a further scheme, the length direction of the material cleaning mechanism and the length direction of the product are the first direction, and the second direction and the first direction are arranged vertically along a horizontal plane; the bottom of the material cleaning mechanism is provided with a material receiving plate, the upper part of the material receiving plate is provided with material cleaning plates along the two sides of the material receiving plate in the second direction.
Further scheme, clear flitch links to each other with clear flitch guide rail, and clear flitch guide rail locates the one side of clear flitch along the second direction, makes clear flitch can follow the guide rail and slide, and the guide rail setting is on the guide rail seat, and the guide rail seat is fixed continuous with the receiving flitch.
Further scheme, one side of receiving the flitch still is equipped with electro-magnet and clear material sensor along the second direction, and the one end of receiving the flitch still is equipped with pushing away material sensor along first direction, and the electro-magnet promotes clear flitch and is reciprocating motion along first direction.
Further, the pushing mechanism is arranged on one side of the material cleaning mechanism along the second direction, and a pushing rod which can extend into the material cleaning mechanism is arranged on the pushing mechanism.
According to a further scheme, the pushing mechanism is connected with the single-shaft driver through the third driving device and the coupler, and drives the pushing rod to move along the shaft so as to push the cigarettes to the photographing position of the vision system.
Further, the visual detection mechanism is arranged at one end of the material cleaning mechanism along the first direction, and a unidirectional displacement table and a bidirectional displacement table are sequentially arranged from the position close to the material cleaning mechanism to the position far away from the material cleaning mechanism.
Further, the unidirectional displacement platform is provided with a movable light source, and the movable light source is far away from or near to the material cleaning mechanism along with the unidirectional displacement platform.
Further, the bidirectional displacement platform can be far away from or close to the material cleaning mechanism along the first direction and can also move along the second direction, a camera is arranged on the bidirectional displacement platform, and a lens of the camera and the light source are on a unified horizontal line.
The beneficial effects of the above technical scheme are:
1. the transmission device in the blanking mechanism drives the blanking roller and the eccentric wheel through the belt, adopts the eccentric wheel structure to change the discharge hole space, allows the raw material rod to fall into the material taking groove of the blanking roller, and the blanking roller is provided with a material taking groove, the roller rotates for one circle, one cigarette falls, the first sensor records the rotation number of turns and positioning of the motor, the motor rotates for one circle, the cigarette falls down for one cigarette, namely, the detection number of cigarettes is recorded, and the synchronism and the continuity of the blanking mechanism are ensured when the motor rotates and the blanking synchronously move.
2. The material cleaning mechanism can prevent cigarettes from rolling by opening the material receiving plate with the V-shaped groove, and ensures that the cigarettes are positioned at the center of the lens. The bottom of the V-shaped groove is hollow, a furling opening is formed from top to bottom, a pushing rod of the pushing mechanism conveniently extends out of the middle of the V-shaped groove and is used for pushing, the pushing mechanism and the cleaning mechanism are conveniently matched with each other, space is saved, and product pushing is facilitated.
3. The vision system adopts an advanced machine vision detection technology, the end face of the smoke section of the heated cigarette is irradiated by an LED light source, a camera is used for imaging, whether the filling of the cut tobacco of the heated cigarette is full or not is distinguished according to the obtained image, and the image outline can accurately represent the arrangement of the cut tobacco. The computer algorithm is used for converting the image into numbers, calculating the duty ratio of the heated cigarette slices, and connecting a printer for printing.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.
FIG. 1 is a schematic view of the exterior of the apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the inside of the device of the present invention;
FIG. 3 is a schematic structural view of a blanking mechanism of the present invention;
FIG. 4 is a schematic structural view of the material cleaning mechanism of the present invention;
FIG. 5 is a schematic structural view of the pushing mechanism of the present invention;
fig. 6 is a schematic structural view of the visual inspection mechanism of the present invention.
The label marks in the figures represent: 1. the device comprises a blanking mechanism, 1-1 parts of a flip feed inlet, 1-2 parts of a bin, 1-3 parts of an eccentric wheel, 1-4 parts of a cigarette baffle, 1-5 parts of a blanking roller, 1-6 parts of a discharge baffle, 1-7 parts of a roller cover, 1-8 parts of a material box bottom plate, 1-9 parts of a first driving device, 1-10 parts of a belt wheel, 1-11 parts of a belt, 1-12 parts of a tension wheel and 1-13 parts of a first sensor.
2. The device comprises a material cleaning mechanism, a material receiving plate, a material cleaning plate, a second sensor, an electromagnet, a material cleaning sensor, a pushing sensor and a material cleaning plate guide rail, wherein the material cleaning mechanism comprises the following components of (by weight) a material receiving plate, the material cleaning plate, the second sensor, the electromagnet, the material cleaning sensor, the pushing sensor and the material cleaning plate guide rail;
3. the device comprises a pushing mechanism, a second driving device, a coupling, a single-shaft driver, a sensor, a detection sheet and a pushing rod, wherein the pushing mechanism comprises the following components of 3-1, a second driving device, 3-2, a coupling, 3-3, a single-shaft driver, 3-4, a sensor, 3-5, a detection sheet and 3-6;
4. the system comprises a vision system, a light source, a unidirectional displacement table, a lens, a bidirectional displacement table and a camera, wherein the vision system, the light source, the unidirectional displacement table, the lens, the bidirectional displacement table and the camera are respectively arranged in the directions of 4-1, 4-2, 4-3, 4-4 and 4-5;
5-touch screen, 6-printer, 7-alarm lamp, 8-window, 9-recovery box.
The specific embodiment is as follows:
reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by way of the drawings are exemplary only and should not be construed as limiting the invention, and for ease of understanding the invention is further illustrated by way of example and not construed as being limited to the embodiments of the invention.
The heating cigarette duty ratio detector is an experimental device for detecting the duty ratio of the end face of the heating cigarette smoke section, adopts a visual method to photograph the end face of the smoke section, calculates the duty ratio of the sheet of the smoke-starting section through a visual system and a computer algorithm, and provides strong technical support for detecting the filling quantity of the sheet of the heating cigarette.
The duty ratio refers to the ratio of the cross section area of a sheet on the cross section of the smoke section of the cigarette to the total area of the cross section of the end of the smoke section, wherein the sheet is cut tobacco in the end face of the smoke section; duty cycle = face sheet area/face total area.
Referring to fig. 1-6, a device for detecting the duty ratio of a heated cigarette comprises a touch screen, a printer, a window and a warning lamp belt which are arranged on a shell; the automatic feeding device also comprises a blanking mechanism, a material cleaning mechanism, a material pushing mechanism and a visual detection mechanism which are arranged in the shell; the blanking mechanism is used for obtaining products falling from the bottom of the blanking box one by one, the obtained products are automatically blanked, a material clearing mechanism is arranged below the blanking mechanism and used for fixedly adjusting the positions of the products falling from the blanking mechanism, the visual detection mechanism is convenient to detect, and the detection mechanism is used for pushing the detected cigarettes to the recovery box through the material clearing mechanism.
Wherein, as shown in fig. 3, for convenience of description of the blanking mechanism, a right side of the blanking mechanism facing to the right direction in the front view is shown as a right side, and the other end opposite to the right side is shown as a left side; the front side is marked as the front end, and the end opposite to the front end is marked as the rear end; the upper end of blanking mechanism is equipped with the feed bin, and the top of feed bin is equipped with the feed bin lid, and the feed bin lid is located the coplanar with the shell, and operating personnel can directly open flip, puts into the cigarette, and when noticing the cigarette and put into, make the fuming section terminal surface of cigarette face towards vision detection mechanism all the time, the cigarette is put into along feed bin limit level, and the feed bin is wide in the upper portion, narrow in the lower portion structure, and the feed bin discharge gate is the elasticity export.
A blanking roller is arranged right below the discharge hole of the storage bin, a material taking groove is formed in the blanking roller, and the space of the material taking groove can accommodate a cigarette; the upper right side of blanking gyro wheel, namely be located the right side of discharge gate, be equipped with the eccentric wheel, blanking mechanism left side is equipped with a drive arrangement, and a drive arrangement is used for driving eccentric wheel and blanking gyro wheel through the belt, carries out the blanking. The method comprises the following steps: a tensioning wheel is arranged between the first driving device and the blanking roller, the tensioning wheel is used for tensioning a belt, the belt bypasses a transmission shaft of the blanking roller and is connected with an eccentric wheel, the first driving mechanism drives the blanking roller and the eccentric wheel to rotate anticlockwise, when a material taking groove of the blanking roller is just below a blanking opening, the position of the right short side of the eccentric wheel is rotated to the blanking opening, the space of the blanking opening is enlarged, cigarettes fall into the material taking groove, only one material taking groove is arranged on the blanking roller, and one cigarette falls in each circle of rotation of the blanking roller, in order to prevent cigarettes in the material taking groove from falling in the downward rotation of the blanking roller, a roller cover is arranged on the left side and the lower side of the blanking roller, and the roller cover covers the blanking roller to prevent the cigarettes from falling; the right end face of the roller cover below the blanking roller is provided with a slope, and when the material taking groove rotates out of the roller cover, the material taking groove slides down along the slope of the roller cover and falls into the material cleaning mechanism. Further, the opposite side of blanking gyro wheel relative roller cover is equipped with the ejection of compact baffle, and the ejection of compact baffle is transparent material, when preventing that cigarette from flying out, can also conveniently observe the blanking condition. Further for the blanking condition of being convenient for record, a drive arrangement links to each other with the sensor, and the sensor is used for recording motor rotation number of turns and location, and the motor rotates one round, and the cigarette falls down one, and a drive arrangement's rotation circle is blanking quantity promptly.
As shown in fig. 4, the length direction of the material cleaning mechanism and the length direction of the product are both a first direction, and a second direction is perpendicular to the first direction along a horizontal plane; the bottom of the material cleaning mechanism is provided with a material receiving plate which is a V-shaped groove, two sides of the material receiving plate along the second direction are respectively provided with a material cleaning plate, the material cleaning plates are connected with material cleaning plate guide rails, the material cleaning plate guide rails are perpendicular to the two material cleaning plates along the second direction, the two material cleaning plates can slide along the guide rails, the guide rails are arranged on guide rail seats, and the guide rail seats are fixedly connected with the material receiving plates; an electromagnet and a material cleaning sensor are further arranged on one side of the material receiving plate along the second direction, and the electromagnet is positioned in the middle of the material cleaning plate; one end of the receiving plate along the first direction is also provided with a pushing sensor; the cigarettes fall onto the receiving plate through the blanking mechanism, the receiving plate is provided with a V-shaped groove for preventing the cigarettes from rolling, the bottom of the receiving plate is provided with a notch from one end, a pushing rod of the pushing mechanism conveniently extends out of the groove for pushing materials, the second sensor detects that the cigarettes are blanked in place, the pushing mechanism can control the pushing rod to push the cigarettes when detecting signals, the pushing sensor is used for detecting that the cigarettes are blanked in place, the signal pushing mechanism is stopped when detecting signals, the vision system starts to detect, after detection is completed, the material clearing mechanism adopts an electromagnet structure for clearing materials, and when the electromagnet pushes the material clearing plate to push the detected cigarettes to the recovery box when power is on; when the power is off, the electromagnet drives the material cleaning plate to retract, and after the material cleaning sensor detects that the material cleaning plate retracts, the next cigarette starts to fall.
As shown in fig. 5, the pushing mechanism is parallel arranged on one side of the material cleaning mechanism along the second direction, and a third driving mechanism is arranged at one end of the pushing mechanism along the first direction. The detection piece is arranged on the pushing rod, and a plurality of sensors are arranged on one side of the pushing rod and used for detecting the stroke of the pushing rod.
As shown in fig. 6, the visual detection mechanism is arranged at one end of the material cleaning mechanism along the first direction, a unidirectional displacement table and a bidirectional displacement table are sequentially arranged from the position close to the material cleaning mechanism to the position far away from the material cleaning mechanism, a movable light source is arranged on the unidirectional displacement table, the movable light source is far away from or near to the material cleaning mechanism along with the unidirectional displacement table, and the movable light source can be an LED light source; the bidirectional displacement table can move along a first direction far away from or close to the material cleaning mechanism and also can move along a second direction, a camera is arranged on the bidirectional displacement table, a lens of the camera and a light source are on a unified horizontal line, the end face of a smoke section of a cigarette is irradiated by an LED light source, the camera lens is used for imaging, whether filling of a heated cigarette sheet is full or not is distinguished according to the obtained image, an image contour can accurately represent sheet arrangement, the image is converted into a number by a computer algorithm, and the duty ratio of the heated cigarette sheet is calculated. The unidirectional displacement table can adjust the position of the LED light source and provide proper brightness. The bidirectional displacement table can realize the precise adjustment of the translation in the first direction and the second direction, the adjustment precision can reach the micron level, the precise focusing of the lens is convenient, the image is converted into the number by utilizing a computer algorithm, the duty ratio of the heated cigarette sheet is calculated, and the heated cigarette sheet can be connected with a printer for printing.
Visual detection principle:
step 1, filtering image background interference: the extraction of the image background is performed using a global threshold. And converting the image into a region, and filtering background noise points according to the region characteristics.
Step 2, extracting the end face part of the cigarette: firstly, converting an image of the end face part of the cigarette into an area, wherein two segmentation algorithms are used, the first method is to segment the end face area of the cigarette by matching local threshold values with image masks and setting different mask sizes, and the second method is to segment the end face area of the cigarette by matching average filtering with dynamic threshold values and setting different filter sizes.
Step 3, filtering the cigarette paper part: here, morphological opening and closing operations are used to filter the region. And (3) carrying out cross-linking operation on the results obtained in the step (2) and the step (3). A more precise smoke zone is intercepted.
Step 4, judging the characteristics of the end face area of the cigarette: and outputting the characteristics of the cigarette end face area to judge the quality of the cigarette end face.
While the foregoing description of the embodiments of the present invention has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the invention, but rather, it is intended to cover all modifications or variations within the scope of the invention as defined by the claims of the present invention.
Claims (5)
1. A heated cigarette duty cycle detection device, comprising:
a flip feed inlet arranged on the shell, and a blanking mechanism, a material cleaning mechanism, a material pushing mechanism and a visual detection mechanism which are arranged in the shell;
a blanking mechanism; the automatic feeding device is used for acquiring products falling from a discharge hole of the storage bin one by one, and the acquired products are automatically fed to a material cleaning mechanism below the automatic feeding device for visual detection;
the material cleaning mechanism is used for cleaning the detected product to a recovery box;
a pushing mechanism; the device is used for pushing the product on the material cleaning mechanism to one end of the visual detection mechanism for detection;
a visual detection mechanism; the camera is used for imaging the end face of the product irradiated by the light source;
the blanking mechanism further comprises a transmission assembly, the transmission assembly comprises an eccentric wheel and a blanking roller, the blanking roller is positioned below the discharge hole of the storage bin, a material taking groove is formed in the blanking roller, the eccentric wheel is arranged on one side of the blanking roller and one side of the discharge hole, a first driving device of the transmission assembly is used for driving the eccentric wheel and the blanking roller through a belt, and the eccentric wheel rotates to change the space size of the discharge hole for blanking;
the visual detection mechanism is arranged at one end of the material cleaning mechanism along the first direction, and a unidirectional displacement table and a bidirectional displacement table are sequentially arranged from the position close to the material cleaning mechanism to the position far from the material cleaning mechanism;
the length direction of the material cleaning mechanism and the length direction of the product are the first direction, and the second direction and the first direction are arranged vertically along the horizontal plane; the bottom of the material cleaning mechanism is provided with a material receiving plate, the material receiving plate is arranged above the material receiving plate, and two sides of the material receiving plate along the second direction are respectively provided with a material cleaning plate;
the unidirectional displacement table is provided with a movable light source, and the movable light source is far away from or near to the material cleaning mechanism along with the unidirectional displacement table; the bidirectional displacement table can be far away from or close to the material cleaning mechanism along a first direction and can also move along a second direction, a camera is arranged on the bidirectional displacement table, and a lens of the camera and a light source are on a unified horizontal line;
the material receiving plate is provided with a V-shaped groove, so that cigarettes can be prevented from rolling, and the cigarettes are ensured to be positioned at the center of the lens; the bottom of the V-shaped groove is hollow, and a furling opening is formed from top to bottom, so that a pushing rod of the pushing mechanism conveniently extends out of the middle of the V-shaped groove.
2. The heated cigarette duty cycle detection device of claim 1, wherein the purge plate is coupled to a purge plate rail disposed on a side of the purge plate along the second direction such that the purge plate is slidable along the rail, the rail disposed on a rail mount fixedly coupled to the receiving plate.
3. The heated cigarette duty cycle detection device of claim 2, wherein an electromagnet and a cleaning sensor are further arranged on one side of the receiving plate along the second direction, a pushing sensor is further arranged on one end of the receiving plate along the first direction, and the electromagnet pushes the cleaning plate to reciprocate along the first direction.
4. The heated cigarette duty cycle detection device of claim 1, wherein the pushing mechanism is disposed on one side of the material cleaning mechanism along the second direction, and a pushing rod capable of extending into the material cleaning mechanism is disposed on the pushing mechanism.
5. The heated cigarette duty cycle detection device of claim 1, wherein the pushing mechanism is coupled to the single-axis driver via a coupling via a third driving device, and drives the pushing rod to move along the axis, pushing the cigarette to a position where the vision system photographs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110813019.8A CN113551621B (en) | 2021-07-19 | 2021-07-19 | Heating cigarette duty cycle detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110813019.8A CN113551621B (en) | 2021-07-19 | 2021-07-19 | Heating cigarette duty cycle detection device |
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| CN113551621A CN113551621A (en) | 2021-10-26 |
| CN113551621B true CN113551621B (en) | 2023-08-01 |
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| CN202110813019.8A Active CN113551621B (en) | 2021-07-19 | 2021-07-19 | Heating cigarette duty cycle detection device |
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| CN114392927B (en) * | 2021-12-10 | 2024-03-19 | 中国电子科技集团公司第四十一研究所 | Off-line quality detection device for appearance of cigarette |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3365429B2 (en) * | 1993-03-29 | 2003-01-14 | 日本たばこ産業株式会社 | Cigarette filling distribution monitoring device in cigarettes |
| JP2989171B2 (en) * | 1998-05-26 | 1999-12-13 | 日本たばこ産業株式会社 | Cigarette inspection device |
| CN102551198B (en) * | 2012-01-04 | 2013-12-25 | 江苏中烟工业有限责任公司 | Method of measuring tobacco shred filling value on line |
| CN106052571B (en) * | 2016-07-21 | 2018-10-19 | 云南中烟工业有限责任公司 | A kind of intelligent quickly detection cigarette cut tobacco length and its device and method of distribution |
| CN208928634U (en) * | 2018-07-10 | 2019-06-04 | 甘肃省玫瑰花烟生物科技有限公司 | A kind of sorting cigarette equipment |
| CN109985822B (en) * | 2019-05-05 | 2023-06-30 | 成都瑞拓科技有限责任公司 | Filter rod feeding device, feeding conveying device and bead-bursting cigarette/filter rod detector |
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