CN218938102U - Cigarette authenticity identification device based on light - Google Patents

Abstract

The utility model provides a cigarette authenticity identification device based on an anti-counterfeiting label refractive index, which relates to the technical field of cigarette authenticity identification, optimizes a cigarette placement platform of the identification device, and is simple and convenient to detect, and is applicable to cigarette anti-counterfeiting labels with different refractive indexes because a coaxial light source or a backlight light source emits light to a cigarette on the placement platform and the telescopic device stretches and drives the inclination angle of the cigarette to be tested placed on the support to change based on the requirement of the cigarette anti-counterfeiting label on the light angle.

Description

Cigarette authenticity identification device based on light

Technical Field

The utility model relates to the technical field of authentication of tobacco products, in particular to an authentication device of tobacco products based on light rays.

Background

The fake cigarette is used as an illegal commodity, and the most basic characteristic is that various kinds of cigarettes with certain known names and smooth sales sold on the market are counterfeited by various modes and methods, which not only disturbs the order of national tobacco monopoly market, but also seriously damages the benefits and physical health of consumers. Currently, discrimination of genuine and fake tobacco products mainly relies on manual work, various sensory sensations are obtained manually, and subjective evaluation is then made according to the sensory sensations, such as visually observing differences in packaging of the genuine and fake tobacco products, such as box label printing, pull lines, seals, and the like. This approach is not only inefficient, but also does not have high accuracy in the identification of artifacts due to the strong reliance on human subjectivity.

In order to be able to distinguish the true and false of waiting to detect article comprehensively with high efficiency, disclose a panoramic image scanning device based on linear array CCD among the prior art, including revolving stage structure and structure of turning, the fixed rotatory support arm that is provided with perpendicular to support seat bottom of turning in the body of turning, the pivot of angle of depression step motor passes the trompil on the rotatory support arm, with rotatory support arm normal running fit, the end of angle of depression step motor pivot is fixed with angle of depression adjustment arm, the plane of rotation of angle of depression adjustment arm is parallel with the lateral wall face of rotatory support arm, be fixed with linear array CCD module on the swing end of angle of depression adjustment arm, traditional detection speed is slow, gather the image precision is low, rotatory angle of depression is fixed to have the blind area scheduling problem. However, the scanning device based on the CCD module in the scheme can meet the requirement of a large view field under some specific measuring environments, but has insufficient light pertinence and poor adaptability to cigarette boxes with small view angles, so that the scanning device is not suitable for scanning and detecting small articles such as cigarette boxes.

Disclosure of Invention

In order to solve the problems that the current cigarette identification device based on the CCD camera is insufficient in light pertinence and is not suitable for scanning and detecting small-sized articles such as cigarette boxes, the utility model provides the cigarette authenticity identification device based on the anti-counterfeit label refractive index, and the CCD camera is enabled to acquire corresponding light values by adjusting the inclination angle of the supporting seat, so that the detection is simple and convenient, and the cigarette authenticity identification device is suitable for cigarette anti-counterfeit labels with different refractive indexes.

In order to achieve the technical effects, the technical scheme of the utility model is as follows:

a light-based smoking article authentication device comprising: the cigarette case comprises a frame, a camera moving frame arranged on the frame, a placing platform, a coaxial light source and a backlight light source, wherein the camera moving frame is provided with a CCD camera used for acquiring the light refraction angle and the refractive index of the cigarette case anti-counterfeiting label, the placing platform, the coaxial light source and the backlight light source are all arranged on the frame, the coaxial light source is arranged below the CCD camera, the placing platform is arranged below the coaxial light source, the backlight light source is arranged below the placing platform, the coaxial light source and the backlight light source can emit light to the placing platform, the placing platform is provided with a group of telescopic devices and supporting seats used for placing cigarette products to be tested, two ends of each supporting seat are respectively connected with the top end of each telescopic device in a pivoted mode, and the telescopic devices stretch and draw the inclination angle of the cigarette products to be tested placed on the supporting seats to change.

In the technical scheme, considering that some cigarette cases are provided with anti-counterfeiting labels with corresponding light refraction and reflection, corresponding light refraction and reflection can be obtained only at a preset angle, but the current CCD camera-based cigarette case identification device is insufficient in light angle pertinence and is not applicable to the problem of scanning detection of small-sized articles such as cigarette cases, the cigarette case placement platform of the identification device is optimized, a cigarette case support seat and a group of telescopic devices are arranged on the cigarette case placement platform, and the placement angle of the cigarette case to be identified can be flexibly adjusted, so that the CCD camera is matched to obtain corresponding detection light of the cigarette case anti-counterfeiting labels.

Preferably, each telescopic device comprises a telescopic motor and a telescopic rod, the telescopic motor is arranged on the placement platform, one end of the telescopic rod is connected with the output end of the telescopic motor, the other end of the telescopic rod is pivotally connected with the supporting seat, when the placement angle of the tobacco is required to be adjusted, the output end of the telescopic motor enables the telescopic rod to change in a telescopic way, the supporting seat for placing the tobacco is driven to change the inclination angle, and the adjustment of the light reflection or refraction angle of the tobacco to be identified is facilitated based on the corresponding light angle requirement of the anti-counterfeit label of the tobacco.

Preferably, the coaxial light source comprises a coaxial light source and a housing, the coaxial light source being disposed inside the housing, providing more uniform illumination than conventional light sources, thus improving accuracy and reproducibility of machine vision; the cigarette case detection mainly adopts laser processing, so that the cigarette case detection has a mirror effect, the diffusion and/or absorption surface forms contrast to reduce the transmittance of the transparent shell or the cover, and the working efficiency of capturing detection light by the CCD camera is improved.

Preferably, the backlight light source is obliquely fixed on the frame, and light can penetrate through the detected cigarette case made of semi-transparent materials through the backlight light source, so that the corresponding light transmittance and refractive index are obtained, and the CCD camera obtains the corresponding anti-counterfeiting icon.

Preferably, the placing platform is further provided with a plurality of light blocking plates arranged around the supporting seat, the bottom end of each light blocking plate is fixed on the frame, and the plate body of each light blocking plate is inclined from the bottom end of the light blocking plate to the center of the supporting seat, so that the influence of external light on the authenticity identification of the tobacco products is reduced.

Preferably, the frame is also provided with an annular light source, the annular light source is sleeved on the outer side of the CCD camera and is positioned above the coaxial light source, so that the edge and the height change of the detected smoke can be highlighted, and the part which is difficult to see originally is highlighted.

Preferably, the camera moving frame comprises a movable first moving frame and a second frame, one end of the first moving frame moves vertically on the frame, the other end of the first moving frame is connected with the second moving frame, and the lower end of the second moving frame is connected with the CCD camera.

Here, the inspector can drive the CCD camera to finely adjust the position by controlling the first movable frame and the second movable frame to move on the frame, so that the CCD camera can capture the detection light rays of different cigarettes, and the inspection device is suitable for different inspection requirements.

Preferably, a supporting foot seat is also arranged below the stand.

Preferably, the placement platform and the support seat are both made of semi-transparent and semi-reflective light splitting sheets, so that the detection light of the coaxial light source can be reflected by the cigarette case, the detection light of the backlight light source can penetrate through the cigarette case and be refracted, and finally, the detection light is captured by the CCD camera.

Preferably, the frame is made of engineering plastics, has better mechanical properties, durability, corrosion resistance and heat resistance, can effectively prolong the service life of the identification device, and has smaller density, so that the identification device is lighter and convenient for a detector to carry and move to different smoke identification places according to law enforcement demands.

Compared with the prior art, the technical scheme of the utility model has the beneficial effects that:

the utility model provides a cigarette authenticity identification device based on an anti-counterfeit label refractive index, which optimizes a cigarette placement platform of the identification device, wherein a cigarette support seat and a group of telescopic devices are arranged on the cigarette placement platform, when a coaxial light source or a backlight light source emits light to a cigarette on the placement platform, the telescopic devices are telescopic to drive the inclination angle of the cigarette to be tested placed on the support seat to change, and based on the requirement of the cigarette anti-counterfeit label on the light angle, the cigarette placement platform is matched with a CCD camera to obtain corresponding detection light of the cigarette case anti-counterfeit label, so that the detection is simple and convenient, and the cigarette authenticity identification device is applicable to cigarette anti-counterfeit labels with different refractive indexes.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a light-based smoking article authentication device according to an embodiment of the present utility model;

fig. 2 is a schematic side view of a light-based smoking article authentication device according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a light beam irradiated on an anti-counterfeit label according to an embodiment of the present utility model;

wherein: 1. a frame; 2. a camera moving frame; 21. a CCD camera; 22. a horizontal frame; 23. a vertical frame; 3. placing a platform; 31. a telescoping device; 311. a telescopic motor; 312. a telescopic rod; 32. a support base; 33. a light barrier; 4. a coaxial light source; 41. a coaxial lamp; 42. a housing; 5. a backlight light source; 6. an annular light source; 7. and (5) supporting feet.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent;

for better illustrating the present embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent actual dimensions, and the description of the directions of the parts such as "up" and "down" is not limiting of the present patent;

it will be appreciated by those skilled in the art that some well known descriptions in the figures may be omitted.

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Example 1

The embodiment provides a light-based tobacco product authenticity identification device, referring to fig. 1 and 2, including: the cigarette case anti-counterfeit device comprises a frame 1, a camera moving frame 2, a placing platform 3, a coaxial light source 4 and a backlight light source 5 which are arranged on the frame 1, wherein a CCD camera 21 used for acquiring the light refraction angle and the refractive index of the cigarette case anti-counterfeit label is arranged on the camera moving frame 2, the placing platform 3, the coaxial light source 4 and the backlight light source 5 are all arranged on the frame 1, the coaxial light source 4 is arranged below the CCD camera 21, the placing platform 3 is arranged below the coaxial light source 4, the backlight light source 5 is arranged below the placing platform 3, and the coaxial light source 4 and the backlight light source 5 can emit light to the placing platform 3; the placing platform 3 is provided with a group of telescopic devices 31 and a supporting seat 32 for placing the cigarettes to be tested, and the placing platform 3 and the supporting seat 32 are both made of semi-transparent and semi-reflective light splitting sheets, so that the detection light of the coaxial light source can be reflected by the cigarette case, the detection light of the backlight light source can penetrate through the cigarette case and finally be captured by the lens of the CCD camera 21; the both ends of supporting seat 32 are connected with the top pivot of every telescoping device 31 respectively, and the telescoping process of telescoping device 31 drives the inclination of the tobacco item that awaits measuring of placing on supporting seat 32 and changes to utilize telescoping device 31 to adjust the angle of placing of tobacco item, frame 1 below still is equipped with supporting legs seat 7.

In this embodiment, each telescopic device 31 includes a telescopic motor 311 and a telescopic rod 312, the telescopic motor 311 is disposed on the placement platform 3, one end of the telescopic rod 312 is connected to the output end of the telescopic motor 311, and the other end is pivotally connected to the support base 32.

In the process of identifying the tobacco, a detector firstly places the tobacco to be identified on the supporting seat 32 of the placing platform 3, so that the coaxial light source 4 or the backlight light source 5 emits light to the tobacco, then the inclination angle of the tobacco on the placing platform 3 is changed by controlling the telescopic motor 311, and when the telescopic motor 311 operates, the output end drives the telescopic rod 312 to extend or shorten, so that the inclination angle of the supporting seat 32 connected with the telescopic rod 312 is changed, and the inclination angle change of the tobacco on the supporting seat 32 is continuously adjusted until the tobacco being identified is at the inclination position of the corresponding anti-counterfeit label refractive index, so that the lens of the CCD camera 21 can accurately obtain the anti-counterfeit label information of the tobacco.

As a preferred embodiment, the frame 1 is made of engineering plastics, such as ABS engineering plastics or ASA engineering plastics, which have better mechanical properties, durability, corrosion resistance and heat resistance, so that the service life of the identification device can be effectively prolonged, and the density of the engineering plastics is smaller, so that the identification device is lighter, and is convenient for a inspector to carry and move to different smoke identification places according to law enforcement requirements.

Example 2

As shown in fig. 2, the coaxial light source 4 includes a coaxial lamp 41 and a housing 42, the coaxial lamp 41 is disposed in the housing 42, the coaxial lamp 41 is composed of LEDs arranged in high density, and a piece of 45 ° obliquely mounted half-transparent half-reflective glass is disposed in the housing 42. The coaxial light source 4 provides more uniform illumination than conventional light sources, thus improving the accuracy and reproducibility of machine vision during authentication; in addition, the cigarette case detection is mainly performed through laser processing, so that the detection process has a mirror effect, the diffusion and/or absorption surfaces form contrast to reduce the transmittance of the transparent shell or the cover, and the working efficiency of capturing detection light by the CCD camera 21 is improved.

In practical application, if the cigarette case to be identified is made of reflective material, a inspector first places the cigarette case on the supporting seat 32 of the placement platform 3, referring to fig. 3, the coaxial lamp 41 of the coaxial light source 4 emits coaxial light to the cigarette case to be detected, the light vertically irradiates the cigarette case through total reflection, the light reflected from the cigarette case to be identified vertically passes through the semi-transparent and semi-reflective glass, and then enters the lens of the CCD camera 21, which can effectively eliminate reflection and avoid reflection of the camera of the CCD camera 21 in the read image.

The frame 1 is also provided with an annular light source 6, the annular light source 6 is sleeved on the outer side of the CCD camera 21 and is positioned above the coaxial light source 4, and the annular light source 6 comprises an LED array.

When the coaxial light source 4 is used as a detection light source of the cigarette, if the identification environment light is poor or the surface of the cigarette case is not smooth enough, the CCD camera 21 cannot obtain clear detection light, the annular light source 6 can be turned on by a detector, the LED array in the annular light source 6 is conical and irradiates on the surface of the cigarette case to be identified at an oblique angle, the placement platform 3 of the cigarette case is illuminated in a diffuse reflection mode, at the moment, the detector adjusts the working distance of the annular light source 6 to 10-15 mm, the annular light source 6 can effectively highlight the edge and the height change of the cigarette case to be detected, and the originally hard-to-see part is highlighted, so that the CCD camera 21 can capture detection information more accurately.

In addition, the placing platform 3 is further provided with a plurality of light barriers 33 arranged around the supporting seat 32, the bottom end of each light barrier 33 is fixed on the frame 1, and the plate body of each light barrier 33 is inclined from the bottom end of the light barrier to the center of the supporting seat 32, so that the interference effect of external light on capturing useful light by the CCD camera 21 is reduced.

In this embodiment, the backlight source 5 is obliquely fixed on the frame 1, in practical application, if the cigarette case to be identified is made of semi-transparent material, the inspector places the cigarette case on the supporting seat 32 of the placement platform 3, the backlight source 5 emits light to the cigarette case to be identified, and the light penetrates the detected cigarette case made of semi-transparent material, so that the CCD camera 21 obtains the light penetration rate of the corresponding cigarette case, and further obtains the corresponding anti-counterfeit icon of the smoking article.

Example 3

In this embodiment, referring to fig. 1, a camera moving frame 2 is provided on a frame 1, the camera moving frame 2 includes a movable first moving frame 22 and a second moving frame 23, one end of the first moving frame 22 moves vertically on the frame 1, the other end of the first moving frame 22 is connected to the second moving frame 23, and the lower end of the second moving frame 23 is connected to the CCD camera 21.

In practical application, when the tobacco is identified to be true or false, when the tobacco to be identified on the placement platform 3 refracts or reflects light, if the light cannot be captured by the CCD camera 21, a detector can drive the position of the CCD camera 21 to conduct fine adjustment by controlling the vertical movement and the horizontal movement of the first movable frame 22 and the second movable frame 23 on the frame 1 respectively, so that the CCD camera 21 can capture detection light of different tobacco, and different detection requirements are met.

The positional relationships described in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A light-based smoking article authenticity identification device, comprising: frame (1), locate camera movable frame (2) on frame (1), place platform (3), coaxial light source (4), backlight source (5), be equipped with on camera movable frame (2) be used for obtaining cigarette case antifalsification label's light refraction angle and CCD camera (21) of refracting index, place platform (3), coaxial light source (4), backlight source (5) all set up on frame (1), coaxial light source (4) set up in the below of CCD camera (21), place platform (3) set up in the below of coaxial light source (4), backlight source (5) set up in the below of place platform (3), axle light source (4) and backlight source (5) all transmit light to place platform (3), be equipped with a set of telescoping device (31) on place platform (3) and be used for placing supporting seat (32) of cigarette article that awaits measuring, the both ends of supporting seat (32) respectively with the top pivot connection of each telescoping device (31), the telescoping device (31) stretch out and draw back and drive the inclination of the cigarette article that awaits measuring on supporting seat (32) and change.

2. The light-based smoking article authentication device according to claim 1, wherein each telescopic device (31) comprises a telescopic motor (311) and a telescopic rod (312), the telescopic motor (311) is arranged on the placement platform (3), one end of the telescopic rod (312) is connected with the output end of the telescopic motor (311), and the other end is pivotally connected with the supporting seat (32).

3. A light-based smoking article verification device according to claim 1, wherein the coaxial light source (4) comprises a coaxial lamp (41) and a housing (42), the coaxial lamp (41) being arranged inside the housing.

4. A light-based smoking article verification apparatus according to claim 1, wherein the backlight source (5) is mounted obliquely to the housing (1).

5. The light-based smoking article authentication device according to claim 1, wherein the placement platform (3) is further provided with a plurality of light barriers (33) arranged around the supporting seat (32), the bottom end of each light barrier (33) is fixed on the frame (1), and the plate body of each light barrier (33) is inclined from the bottom end of the light barrier to the center of the supporting seat (32).

6. The light-based smoking article identification device according to claim 1, wherein the frame (1) is further provided with an annular light source (6), the annular light source (6) is sleeved outside the CCD camera (21) and is located above the coaxial light source (4).

7. The light-based smoking article verification device according to claim 1, wherein the camera moving frame (2) comprises a movable first moving frame (22) and a second moving frame (23), one end of the first moving frame (22) moves vertically on the frame (1), the other end of the first moving frame (22) is connected with the second moving frame (23), and the lower end of the second moving frame (23) is connected with the CCD camera (21).

8. A light-based smoking article verification apparatus according to claim 1, wherein a support foot (7) is provided below the frame (1).

9. The light-based smoking article verification apparatus according to claim 1, wherein the placement platform (3) and the support (32) are each made of a semi-transparent and semi-reflective light-splitting sheet.

10. A light-based smoking article verification device according to claim 1, wherein the housing (1) is made of engineering plastic.

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