CN203245138U - Green tobacco and mildew tobacco detecting and removing device - Google Patents
Green tobacco and mildew tobacco detecting and removing device Download PDFInfo
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- CN203245138U CN203245138U CN 201320052534 CN201320052534U CN203245138U CN 203245138 U CN203245138 U CN 203245138U CN 201320052534 CN201320052534 CN 201320052534 CN 201320052534 U CN201320052534 U CN 201320052534U CN 203245138 U CN203245138 U CN 203245138U
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Abstract
The utility model discloses a green tobacco and mildew tobacco detecting and removing device which comprises a diluting and sorting system and an optical identification and removing system, wherein the diluting and sorting system comprises a vibration tank (1), a block removing star roller (2), a block receiving belt (3), a block receiving channel (4) and a diluting belt (5); the optical identification and removing system comprises an image processing system, a tobacco receiving channel (7), a background belt (8), optical glass (9), an LED lighting light source (10), a camera (11) and a removing air valve (12); the removing air valve (12) is controlled by the image processing system; when the removing air valve (12) acts, tobacco at the tail end of the background belt (8) is blown into the tobacco receiving channel (7); and when the removing air valve (12) doesn't act, the tobacco at the tail end of the background belt (8) falls into a normal tobacco channel. The green tobacco and mildew tobacco detecting and removing device is easy to implement and high in detecting and removing efficiency and automation degree.
Description
Technical field
The utility model relates to a kind of blue or green cigarette and the cigarette that goes mouldy detects and device for eliminating.
Background technology
Tobacco quality plays decisive role to the cigarette quality of producing, and impurity and low-quality tobacco leaf how to remove in the raw tobacco are the keys of tobacco quality control.
For there being the tobacco edulcoration technology, specifically be divided into two classes at present, the first kind is to adopt machinery and wind combination, utilizes the weight of tobacco and foreign material inconsistent, adopts the method that leaves exhausting, rejecting with the inconsistent foreign material of tobacco leaf density; As: the described method of the patent of application number 2010106189466.The shortcoming of this method is the uncontrollability because of wind, and the equipment effect is unstable, also can't reject the foreign material and the relatively poor tobacco leaf of mass ratio that are similar to tobacco leaf density.
Equations of The Second Kind is to adopt photoelectric technology, by visible light or laser, and the irradiation tobacco leaf, video camera is to the tobacco leaf imaging, and is inconsistent by the image of tobacco leaf and foreign material, differentiates the foreign material in the tobacco leaf, and adopts the mode of air-blowing, and foreign material are rejected.It is 2010205779334 the described mode of patent such as application number.But at present for blue or green cigarette with go mouldy that cigarette does not have effective method or device detects, and blue or green cigarette and the cigarette that goes mouldy are the key factors that affect quality of tobacco, therefore, are necessary to design a kind of blue or green cigarette and go mouldy cigarette detection and device for eliminating.
The utility model content
Technical problem to be solved in the utility model provides a kind of blue or green cigarette and go mouldy cigarette detection and device for eliminating, and this green grass or young crops cigarette is easy to implement with go mouldy cigarette detection and device for eliminating, detects and reject the efficient height, the automaticity height.
The technical solution of utility model is as follows:
A kind of blue or green cigarette and the cigarette that goes mouldy detect and device for eliminating, comprise make thinner, separation system and optical identification and eliminating system;
Make thinner, separation system comprises the groove that shakes (1), except cluster star roller (2), the group's of connecing belt (3), the group's of connecing passage (4) and the belt of making thinner (5); The shake input termination feeding machine of groove (1), except cluster star roller (2) a plurality of for what be arranged side by side, front end except cluster star roller (2) and be positioned at the below of the outlet of the groove that shakes (1); The cluster star roller (2) that removes of rear end locates to be provided with the described group of connecing belt (3); The described group of connecing passage (4) is positioned at the group's of connecing belt (3) below and docks with the group's of connecing belt (3), is used for receiving the tobacco leaf conglomeration by the group's of connecing belt (3) output; The described belt of making thinner (5) is horizontally placed on the below except cluster star roller (2);
Optical identification and eliminating system comprise image processing system, connect cigarette channel (7), background belt (8), optical glass (9), LED lighting source (10), camera (11) and reject air valve (12); [in the example of the present utility model, background belt and the belt of making thinner are same belt, and just function is different, and one section of front utilizes speed difference that tobacco leaf is made thinner, rear one section background color information with belt.】
Optical glass (9) is arranged on background belt (8) top, and LED lighting source (10) and camera (11) are positioned at background belt (8) top; The irradiation of LED lighting source (10) output is on background belt (8); Camera (11) sends to image processing system with the tobacco leaf image on the background belt (8) that collects; Reject air valve (12) and connect the tail end that cigarette channel (7) all is arranged on background belt (8), reject air valve (12) and be controlled by image processing system; When rejecting air valve (12) action, the tobacco leaf at the tail end place of background belt (8) blown into connect in the cigarette channel (7), reject air valve (12) when not moving, the tobacco leaf at the tail end place of background belt (8) falls in the normal tobacco leaf passage.
Described camera (11) is N, and N is the integer more than or equal to 1; A LED lighting source of the each side configuration of each camera (10).
LED lighting source (10) adopts LED prism condensation light source, and camera adopts three CCD line scan cameras, and the background belt is selected blueness or magenta.
Light source must adopt visible light wave range, the mixed light that can adopt white light or other ratios to mix.Camera adopts three CCD line scan cameras.
The specific works process:
Tobacco leaf is after feeding machine arrives the groove that shakes, and the groove that shakes begins vibration, and tobacco leaf is trembled the loose tiling mode that is; Tobacco leaf enters the mechanism that makes thinner, the mechanism that makes thinner comprises the groove 1 that shakes, except cluster star roller 2, and the group's of connecing belt 3, the group's of connecing passage 4, the belt 5 of making thinner, the mechanism that makes thinner makes thinner into individual layer with tobacco leaf, if there is the conglomeration tobacco leaf that goes mouldy in the tobacco leaf, perhaps exist because runny conglomeration, then can't drop on the belt of below, can be transported on the belt at the mechanism rear of making thinner always, belt is taken large conglomeration tobacco leaf out of production line; Non-conglomeration tobacco leaf enters the next stage belt, enter blue or green, mould cigarette testing agency, mould cigarette testing agency mainly is made of light source, camera, image processor structure, device for eliminating, tobacco leaf on the light source irradiation belt, the collected by camera tobacco leaf image is transferred to the image processor structure, image processor structure image data processing, whether identification wherein exists blue or green cigarette, tobacco leaf and non-grade tobacco leaf etc. go mouldy.If there is above-mentioned tobacco leaf, then calculate the position of tobacco leaf, and information is sent to rejecting mechanism, rejecting mechanism comprises that installation connects cigarette channel 7 and High-pressure air valve 12.When blue or green cigarette, when go mouldy tobacco leaf and non-grade tobacco leaf move to the High-pressure air valve nozzle, High-pressure air valve can spray gas blue or green cigarette, go mouldy tobacco leaf and non-grade tobacco leaf are sprayed onto and connect cigarette channel 7.When rejecting mechanism arrives the belt exit position at the non-grade tobacco leaf such as blue or green cigarette, the tobacco leaf that goes mouldy, the non-grade tobacco leaf such as the blue or green cigarette of identification, the tobacco leaf that goes mouldy is rejected.
Beneficial effect:
Blue or green cigarette of the present utility model and the cigarette that goes mouldy detect and device for eliminating is made of following two parts: make thinner, separation system and optical identification and eliminating system.Can't accurately identify blue or green cigarette and the characteristics of the cigarette that goes mouldy for present equipment, a kind of equipment that can accurately identify and reject the blue or green cigarette that contains in the tobacco leaf and the cigarette that goes mouldy is provided, effectively solve the problem that exists at present.Utilize the light source irradiation tobacco leaf, the collected by camera tobacco leaf image also is transferred to the image processor structure, image processor structure image data processing, and whether identification wherein exists blue or green cigarette, go mouldy tobacco leaf and non-grade tobacco leaf etc., if exist by eliminating system it rejecting again.
The image processing system image data processing, whether identification wherein exists blue or green cigarette, tobacco leaf and non-grade tobacco leaf etc. go mouldy.If there is above-mentioned tobacco leaf, then calculate the position of tobacco leaf, and the notice rejecting mechanism, when rejecting mechanism arrives the belt exit position at the non-grade tobacco leaf such as blue or green cigarette, the tobacco leaf that goes mouldy, the non-grade tobacco leaf such as the blue or green cigarette of identification, the tobacco leaf that goes mouldy is rejected.
Core of the present utility model is that the image identification system based on machine vision identifies the blue or green cigarette in the tobacco leaf, the tobacco leaf that goes mouldy again, and adopts rejecting mechanism that it is rejected by remove the conglomeration in the tobacco leaf except the cluster star roller, and advantage of the present utility model is as follows:
One, can be fast real-time detects blue or green cigarette and the cigarette and being rejected of going mouldy;
Two, can adapt to the production status of large flow and in real time detection rejecting, be applicable to pipelining;
Three, reject accurately, the normal number of sheets amount of taking out of is less;
Four, reject blue or green cigarette with present manual method and compare with the cigarette that goes mouldy, greatly improved rejecting efficient, shortened working time;
Five, consumable accessory is less, and maintenance cost is lower at ordinary times;
Six, can be combined with existing other tobacco edulcoration systems, so that the advantage of various technology is able to combination.
Description of drawings
Fig. 1 is blue or green, mould detection system layout;
Fig. 2 arranges for blue or green, mould detection system and faces sketch;
Fig. 3 is blue or green, mould detection system optical identification part diagrammatic side views;
Label declaration: the 1-groove that shakes; 2-is except the cluster star roller; 3-connects a belt; 4-connects a passage; The 5-belt of making thinner; 6-is blue or green, mould detection system; 7-connects cigarette channel; 8-background belt; 9-sealing optical glass; The 10-LED lighting source; The 11-camera; 12-rejects air valve; The normal tobacco leaf passage of 13-.
The specific embodiment
Below with reference to the drawings and specific embodiments the utility model is described in further details:
A kind of blue or green cigarette and the cigarette that goes mouldy detect and device for eliminating, comprise make thinner, separation system and optical identification and eliminating system;
Make thinner, separation system comprises the groove that shakes (1), except cluster star roller (2), the group's of connecing belt (3), the group's of connecing passage (4) and the belt of making thinner (5); The shake input termination feeding machine of groove (1), except cluster star roller (2) a plurality of for what be arranged side by side, front end except cluster star roller (2) and be positioned at the below of the outlet of the groove that shakes (1); The cluster star roller (2) that removes of rear end locates to be provided with the described group of connecing belt (3); The described group of connecing passage (4) is positioned at the group's of connecing belt (3) below and docks with the group's of connecing belt (3), is used for receiving the tobacco leaf conglomeration by the group's of connecing belt (3) output; The described belt of making thinner (5) is horizontally placed on the below except cluster star roller (2);
Optical identification and eliminating system comprise image processing system, connect cigarette channel (7), background belt (8), optical glass (9), LED lighting source (10), camera (11) and reject air valve (12); [in the example of the present utility model, background belt and the belt of making thinner are same belt, and just function is different, and one section of front utilizes speed difference that tobacco leaf is made thinner, rear one section background color information with belt.】
Optical glass (9) is arranged on background belt (8) top, and LED lighting source (10) and camera (11) are positioned at background belt (8) top; The irradiation of LED lighting source (10) output is on background belt (8); Camera (11) sends to image processing system with the tobacco leaf image on the background belt (8) that collects; Reject air valve (12) and connect the tail end that cigarette channel (7) all is arranged on background belt (8), reject air valve (12) and be controlled by image processing system; When rejecting air valve (12) action, the tobacco leaf at the tail end place of background belt (8) blown into connect in the cigarette channel (7), reject air valve (12) when not moving, the tobacco leaf at the tail end place of background belt (8) falls in the normal tobacco leaf passage.
Described camera (11) is N, and N is the integer more than or equal to 1; A LED lighting source of the each side configuration of each camera (10).
LED lighting source (10) adopts LED prism condensation light source, and camera adopts three CCD line scan cameras, and the background belt is selected blueness or magenta.
Blue or green cigarette based on aforesaid blue or green cigarette and go mouldy cigarette detection and device for eliminating detects and elimination method with the cigarette that goes mouldy: make tobacco leaf enter the groove 1 that shakes from feeding machine, tobacco leaf is trembled loose under the vibration of the groove 1 that shakes, and tobacco leaf moves backward along with the shake of the groove that shakes and falls to except in the cluster star roller 2, except cluster star roller 2 is sent to the group's of connecing belt 3 with the conglomeration in the tobacco leaf and through 4 discharges of the group's of connecing passage, finishes the sorting (namely finishing the eliminating of cigarette group) of tobacco leaf; The tobacco leaf of non-conglomeration falls to and continues on the belt 5 of making thinner to transmit;
Provide illumination by LED lighting source 10, the tobacco leaf image that camera 11 gathers on the background belt 8 sends to image processing system; Whether image processing system is by existing blue or green cigarette and the cigarette that goes mouldy in tobacco leaf corresponding to the current tobacco leaf image of image processing and identification, and air valve 12 is rejected in control according to recognition result;
(1) do not have blue or green cigarette in tobacco leaf corresponding to current tobacco leaf image and the cigarette that goes mouldy if image processing system is judged, reject air valve 12 and be failure to actuate, the tobacco leaf on the background belt 8 falls in the normal tobacco leaf passage;
(2) if judging, image processing system has blue or green cigarette in tobacco leaf corresponding to current tobacco leaf image and the cigarette that goes mouldy, reject air valve 12 actions, the tobacco leaf at the tail end place of background belt 8 [is rejected the transfer rate that tobacco leaf is considered in air valve 12 actions, the identification of blue or green cigarette and the cigarette that goes mouldy is mated with image processing system so that propose the action of air valve] blow into and connect in the cigarette channel 7, namely finish the rejecting of blue or green cigarette with the cigarette that goes mouldy.
Image processing system is identified blue or green cigarette and the cigarette that goes mouldy according to the H component of the expression picture tone of tobacco leaf image; If the H component of current tobacco leaf image is less than or equal to 60, then judge not have blue or green cigarette in tobacco leaf corresponding to current tobacco leaf image and the cigarette that goes mouldy; The H component of current tobacco leaf image is then judged to have blue or green cigarette in tobacco leaf corresponding to current tobacco leaf image and the cigarette that goes mouldy greater than 60 else if.
Image processing system is identified blue or green cigarette and the cigarette that goes mouldy according to the H component of the expression picture tone of tobacco leaf image; If the H component of current tobacco leaf image is between the 60-240, then judge and have blue or green cigarette in tobacco leaf corresponding to current tobacco leaf image and the cigarette that goes mouldy, if the H component of current tobacco leaf image is not between the 60-240, judge that then tobacco leaf corresponding to current tobacco leaf image is qualified tobacco leaf.
Embodiment 1:
Such as Fig. 1-3, blue or green cigarette and the cigarette that goes mouldy detect and device for eliminating is made of following two parts:
One, the separation system of making thinner;
Two, optical identification and eliminating system.
Wherein make thinner, separation system mainly comprises: the groove 1 that shakes, except cluster star roller 2, the group's of connecing belt 3, the group's of connecing passage 4, the belt 5 of making thinner.
Optical identification and eliminating system mainly comprise: blue or green, mould detection system 6, connect cigarette channel 7, background belt 8, sealing with optical glass 9, LED lighting source 10, camera 11, reject air valve 12.
The device connected mode: as Fig. 1 be green grass or young crops, mould detection system front view, the device left side is the groove 1 that shakes, horizontal positioned (can be level or inclination herein, the operation principle of groove of shaking is that the groove that shakes is constantly shaken, tobacco leaf can travel forward along with the shake of the groove that shakes, the Main Function of groove of shaking be tobacco leaf is trembled loose, some tobacco leaf groups are trembled out), shake the placement of groove 1 right side except cluster star roller 2, such as Fig. 1, except cluster star roller 2 is positioned at groove 1 below that shakes, first star roller central authorities are positioned at the below, groove 1 exit that shakes, and except cluster star roller 2 belows are the group's of connecing belt 3 and background belt 8 successively, the group's of connecing belt 3 is perpendicular to the plane at paper place, background belt 8 positions and the groove 1 that shakes are with parallel except cluster star roller 2, and background belt 8 right sides connect optical identification and eliminating system.
In optical identification and eliminating system, ccd video camera 11 is positioned at the top, according to the width of background belt 8 or perhaps the flow of tobacco leaf one or more video camera can be installed.Can install side by side perpendicular to the paper direction when a plurality of camera is installed, each camera scanning Chip Vertical was in background belt 8 directions of motion when camera was installed.High-power illumination light source 10 is installed in camera 11 belows, and light source length is slightly longer than background belt 8, and the installation light source direction is parallel with the camera arrangement direction.
Should be able to illuminate the tobacco leaf on the background belt when light source arranges angle, and the camera both sides respectively install a light source, so that the illumination shadow-free.
Sealing optical glass 9 is installed below light source, and this glass need to have preferably light transmission, directly over background belt 10cm.
Background belt upper right side is installed and is rejected air valve, the position is slightly higher than background belt, jet direction is oblique lower towards belt direction 45 degree, then install in jet direction and connect cigarette channel 7, so that entering, the tobacco leaf that is sprayed onto by gas connects cigarette channel 7, and normal tobacco leaf parabola falls, and enters Lower Establishment from normal tobacco leaf passage 13.
Light source is selected: LED scattering light source respond well, simultaneously, can be by the brightness of Current Control light source, but the brightness of LED is not all right, and caloric value is large when highlighted.After the water-cooling pattern cooling, although slow down, substantially also take per 1 year and change once.In order to address this problem, adopt great power LED prism condensation light source.Adopt great power LED prism condensation light source, the light source of scattering can be converged in the lines mountain of 20mm width, therefore, the intensity of light source increases greatly, on focusing surface, can reach 30000lux, the 3-4 of conventional fluorescent lamps brightness can be reached doubly, more than 2 times of LED scattering light source maximum brightness can be reached.
Light source adopts constant-current source control, and so brightness of light source can be regulated by the single-chip microcomputer on the circuit, and electric current is large, and brightness is large, and electric current is little, and brightness is little.
Video camera adopts the 3CCD line-scan camera of external import, wherein, under the visible light speed from 380nm to 650nm,, pixel is 2048.
Mould cigarette testing agency mainly is made of light source, camera, image processor structure, device for eliminating, tobacco leaf on the light source irradiation belt, the collected by camera tobacco leaf image is transferred to the image processor structure, image processor structure image data processing, whether identification wherein exists blue or green cigarette, tobacco leaf and non-grade tobacco leaf etc. go mouldy.If there is above-mentioned tobacco leaf, then calculate the position of tobacco leaf, and communication is to rejecting mechanism, rejecting mechanism comprises and connects cigarette channel 7 and air valve 12.When rejecting mechanism arrives the belt exit position at the non-grade tobacco leaf such as blue or green cigarette, the tobacco leaf that goes mouldy, the non-grade tobacco leaf such as the blue or green cigarette of identification, the tobacco leaf that goes mouldy is rejected, namely when blue or green cigarette, when go mouldy tobacco leaf and non-grade tobacco leaf move to the High-pressure air valve nozzle, High-pressure air valve can spray gas blue or green cigarette, go mouldy tobacco leaf and non-grade tobacco leaf are sprayed onto and connect cigarette channel 7.
The color of tobacco leaf mainly is red and yellow combination, and about the 0-90 degree, therefore cyan adopts tone to distinguish qualified tobacco leaf and blue or green cigarette about 180 degree scopes, and good effect is arranged between tone zone.
The H component of qualified tobacco leaf image, the tone of H representation in components image is distributed in below 60 degree substantially, and the peak value of distribution is about 20 degree, and left-right deviation 5 is spent.
Image to blue or green cigarette under same condition is taken, tone (H) value of blue or green cigarette mainly is distributed in about 180 degree, peak value centered by 180 degree, about distribute, more than 60 degree, also some distributes, and this is because blue or green cigarette or the interference that contains the color of some qualified tobacco leaf and have background.This shows that the two can effectively be distinguished in the HIS space.
Claims (3)
1. a blue or green cigarette and the cigarette that goes mouldy detect and device for eliminating, it is characterized in that, comprise make thinner, separation system and optical identification and eliminating system;
Make thinner, separation system comprises the groove that shakes (1), except cluster star roller (2), the group's of connecing belt (3), the group's of connecing passage (4) and the belt of making thinner (5); The shake input termination feeding machine of groove (1), except cluster star roller (2) a plurality of for what be arranged side by side, front end except cluster star roller (2) and be positioned at the below of the outlet of the groove that shakes (1); The cluster star roller (2) that removes of rear end locates to be provided with the described group of connecing belt (3); The described group of connecing passage (4) is positioned at the group's of connecing belt (3) below and docks with the group's of connecing belt (3), is used for receiving the tobacco leaf conglomeration by the group's of connecing belt (3) output; The described belt of making thinner (5) is horizontally placed on the below except cluster star roller (2);
Optical identification and eliminating system comprise image processing system, connect cigarette channel (7), background belt (8), optical glass (9), LED lighting source (10), camera (11) and reject air valve (12);
Optical glass (9) is arranged on background belt (8) top, and LED lighting source (10) and camera (11) are positioned at background belt (8) top; The irradiation of LED lighting source (10) output is on background belt (8); Camera (11) sends to image processing system with the tobacco leaf image on the background belt (8) that collects; Reject air valve (12) and connect the tail end that cigarette channel (7) all is arranged on background belt (8), reject air valve (12) and be controlled by image processing system; When rejecting air valve (12) action, the tobacco leaf at the tail end place of background belt (8) blown into connect in the cigarette channel (7), reject air valve (12) when not moving, the tobacco leaf at the tail end place of background belt (8) falls in the normal tobacco leaf passage.
2. blue or green cigarette according to claim 1 and the cigarette that goes mouldy detect and device for eliminating, it is characterized in that, described camera (11) is N, and N is the integer more than or equal to 1; A LED lighting source of the each side configuration of each camera (10).
3. blue or green cigarette according to claim 2 and the cigarette that goes mouldy detect and device for eliminating, it is characterized in that, LED lighting source (10) adopts LED prism condensation light source, and camera adopts three CCD line scan cameras, and the background belt is selected blueness or magenta.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052534 CN203245138U (en) | 2013-01-30 | 2013-01-30 | Green tobacco and mildew tobacco detecting and removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052534 CN203245138U (en) | 2013-01-30 | 2013-01-30 | Green tobacco and mildew tobacco detecting and removing device |
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| CN203245138U true CN203245138U (en) | 2013-10-23 |
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| CN 201320052534 Withdrawn - After Issue CN203245138U (en) | 2013-01-30 | 2013-01-30 | Green tobacco and mildew tobacco detecting and removing device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143513A (en) * | 2013-01-30 | 2013-06-12 | 湖南中烟工业有限责任公司 | Green tobacco and mildew tobacco detection and rejecting device and method |
| CN103752531A (en) * | 2014-01-14 | 2014-04-30 | 河南科技大学 | Tobacco sorting machine based on machine vision |
| CN103801514A (en) * | 2014-01-25 | 2014-05-21 | 湖南中烟工业有限责任公司 | Device and method for automatically selecting tobacco leaves for producing cut tobacco |
| CN106622971A (en) * | 2016-12-12 | 2017-05-10 | 广西江缘茧丝绸有限公司 | Silkworm cocoon roughing device |
| CN108340509A (en) * | 2018-02-11 | 2018-07-31 | 合肥美亚光电技术股份有限公司 | Material separation system and material method for separating |
-
2013
- 2013-01-30 CN CN 201320052534 patent/CN203245138U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143513A (en) * | 2013-01-30 | 2013-06-12 | 湖南中烟工业有限责任公司 | Green tobacco and mildew tobacco detection and rejecting device and method |
| CN103143513B (en) * | 2013-01-30 | 2015-06-10 | 湖南中烟工业有限责任公司 | Green tobacco and mildew tobacco detection and rejecting device and method |
| CN103752531A (en) * | 2014-01-14 | 2014-04-30 | 河南科技大学 | Tobacco sorting machine based on machine vision |
| CN103801514A (en) * | 2014-01-25 | 2014-05-21 | 湖南中烟工业有限责任公司 | Device and method for automatically selecting tobacco leaves for producing cut tobacco |
| CN103801514B (en) * | 2014-01-25 | 2015-12-02 | 湖南中烟工业有限责任公司 | A kind of scrap prodn. line tobacco leaf automation selecting device and method |
| CN106622971A (en) * | 2016-12-12 | 2017-05-10 | 广西江缘茧丝绸有限公司 | Silkworm cocoon roughing device |
| CN108340509A (en) * | 2018-02-11 | 2018-07-31 | 合肥美亚光电技术股份有限公司 | Material separation system and material method for separating |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20131023 Effective date of abandoning: 20150610 |
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