CN112147084A - Tobacco leaf spectrum sorting system used in high-dust environment - Google Patents
Tobacco leaf spectrum sorting system used in high-dust environment Download PDFInfo
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- CN112147084A CN112147084A CN202011116252.2A CN202011116252A CN112147084A CN 112147084 A CN112147084 A CN 112147084A CN 202011116252 A CN202011116252 A CN 202011116252A CN 112147084 A CN112147084 A CN 112147084A
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- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 45
- 239000000428 dust Substances 0.000 title claims abstract description 40
- 238000001228 spectrum Methods 0.000 title claims abstract description 15
- 244000061176 Nicotiana tabacum Species 0.000 title 1
- 241000208125 Nicotiana Species 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 239000011521 glass Substances 0.000 claims abstract description 23
- 238000005286 illumination Methods 0.000 claims abstract description 21
- 238000007639 printing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 10
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000007667 floating Methods 0.000 abstract description 2
- 238000003384 imaging method Methods 0.000 description 12
- 239000000843 powder Substances 0.000 description 7
- 238000007664 blowing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013601 eggs Nutrition 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention relates to a tobacco leaf spectrum sorting system used in a high-dust environment, which comprises an air conveying pipeline and a video cabinet, wherein a high-speed linear array camera and a reflector are arranged in the video cabinet, an optical path channel is arranged in the video cabinet, transparent glass is arranged at one end, close to the reflector, of the optical path channel, an illumination light source cabinet is arranged between the video cabinet and the air conveying pipeline, a linear illumination light source is arranged in the illumination light source cabinet, a linear background light source is arranged at the other side of the air conveying pipeline and the video cabinet through a support, a detection notch is arranged on the air conveying pipeline, and the width of an inner opening of the air conveying pipeline below the detection notch is smaller than that of the air conveying pipeline above the detection notch. The invention utilizes the function of circulating air, effectively prevents tobacco leaves in conveyed materials from floating out and tobacco dust from flying out by arranging the open type detection notch positioned in the micro negative pressure region and the structure with small size at the lower part and large size at the upper part of the inner opening of the air conveying pipeline at the detection notch, and reduces the cleaning frequency and the maintenance workload of the system to the maximum extent.
Description
Technical Field
The invention relates to a spectrum detection device, in particular to a tobacco leaf spectrum sorting system used in a high-dust environment.
Background
During the processes of airing, transferring and curing tobacco, some foreign matters such as paper scraps, hemp ropes, stones, plastics, worm eggs, nests and moldy tobacco leaves can be generated or doped in the tobacco, and the foreign matters are removed before the tobacco leaves are shredded. At present, a spectrum foreign matter removing device is generally adopted to remove foreign matters and moldy tobacco leaves in the tobacco leaves.
The spectral foreign matter removing device is a high-speed belt conveyor type foreign matter removing device which is commonly used at present, such as the utility model patent of the utility model of the intelligent tobacco foreign matter removing device with the publication number CN 2574432Y and the utility model patent of the tobacco foreign matter removing system with the publication number CN 201848391U, the imaging area of the device is separated by upper and lower 2 pieces of transparent glass which are horizontally arranged, when the detected material passes through the glass channel imaging area formed by the transparent glass which is horizontally arranged, dust and tobacco powder in the material, including tobacco leaves, can be scattered and adsorbed on the glass for various reasons and enter the imaging parts such as a camera, a reflector and the like, the scanning imaging of the camera is influenced, the detection and removal result is not ideal, the detection and removal result is especially poor when the device is continuously operated for a long time, the frequent cleaning and maintenance are needed, but the cleaning and the maintenance of the high-speed belt conveyor type, greatly affecting the production process.
When the high-speed linear array camera scans and shoots materials in operation, the shooting environment is required to be dustless and clean, the cleaner scanning imaging detection effect is better, but the field environment of tobacco leaf production lines of tobacco factories and threshing and redrying plants is a high-dust environment, and tobacco powder and dust tobacco leaves can be continuously thrown out to the scanning imaging space of the high-speed linear array camera in the conveying operation process of the tobacco leaf materials.
Disclosure of Invention
In order to solve the problems, the invention provides a tobacco leaf spectrum sorting system used in a high-dust environment, which can effectively prevent the interference of tobacco powder and dust and tobacco leaves on imaging during online detection of the tobacco leaves, thereby obtaining a better detection imaging effect.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention relates to a tobacco leaf spectrum sorting system used in a high-dust environment, which comprises an air supply pipeline and a video cabinet, wherein the video cabinet is arranged at one side of the air supply pipeline, a high-speed linear array camera is fixed in the video cabinet through a support, a reflector is fixed in the video cabinet through a support, a light path channel is arranged in the video cabinet at a position corresponding to the center of the reflector, one end of the light path channel, which is close to the reflector, is provided with vertical light-transmitting glass for isolating external dust and tobacco dust, an illumination light source cabinet is also arranged between the video cabinet and the air supply pipeline, the other end of the light path channel passes through the illumination light source cabinet to be communicated with the outside, a plurality of groups of linear illumination light sources are arranged in the illumination light source cabinet through a support, the other side of the air supply pipeline and the video cabinet are provided with linear background light sources through supports, the air in the air supply pipeline is circulating, the light source center of the linear background light source is positioned at the center of the detection gap, and the width of the inner opening of the air conveying pipeline below the detection gap is smaller than that of the inner opening of the air conveying pipeline above the detection gap.
The invention is further improved in that: and camera reflector closing covers are arranged on the outer sides of the high-speed linear array camera and the reflector.
The invention is further improved in that: the cross section of the light path channel in the width direction is of a rectangular cavity structure with the periphery closed, the whole light path channel is communicated with the outside only through an outlet which is communicated with the outside in the front-back direction, and the tobacco powder dust can enter the light path channel only through the outlet so as to enter the light-transmitting glass.
The invention is further improved in that: the blowing pipe is arranged inside the edge of the illumination light source cabinet and above the light path channel, and continuously blows low-pressure gas to form an air curtain, so that dust and tobacco powder in the environment can be prevented from entering the light path channel and then entering the light-transmitting glass.
The invention is further improved in that: the distance from the vertical type light-transmitting glass to the outer side of the air supply pipeline is more than 500 mm.
The invention is further improved in that: the detection notch is located at the micro-negative pressure position of the air supply pipeline and is of an open structure without any shielding.
The invention is further improved in that: the number of linear illumination light sources is 2-4 groups, and the linear illumination light sources are arranged above and below the light path channel.
The invention has the beneficial effects that: the invention utilizes the function of circulating air, effectively prevents tobacco leaves in conveyed materials from floating out and tobacco dust from flying out by arranging an open type detection notch positioned in a micro negative pressure area and a structure with a small size at the lower part and a large size at the upper part of an inner opening of an air conveying pipeline at the detection notch, and can effectively prevent the tobacco leaves and the tobacco dust in the conveyed materials and isolate the dust in the environment through vertical transparent glass far away from the outside and the air conveying pipeline, a narrow light path channel with the periphery closed, two sealing devices of a camera and a reflector and an air curtain formed by low-pressure air blowing, thereby keeping the cleanness of an imaging part and the cleanness and less dust of an imaging space.
The invention has the advantages of ingenious structure and novel design, lays a good foundation for accurate and effective spectrum detection, and reduces the cleaning frequency and the maintenance workload of the system to the maximum extent.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of a camera mirror enclosure.
FIG. 3 is an enlarged view of the spectral detection region air delivery duct of FIG. 1 of the present invention.
Fig. 4 is a partial enlarged view of fig. 1 of the present invention.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the embodiments of the invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
As shown in fig. 1-4, the invention is a tobacco leaf spectrum sorting system used in high dust environment, comprising an air supply pipeline 10, a video cabinet 1 is arranged at one side of the air supply pipeline 10, a high-speed linear array camera 2 is fixed in the video cabinet 1 through a support, a reflector 4 is fixed in the video cabinet 1 through a support, a camera reflector closing cover 3 is arranged at the outer side of the high-speed linear array camera 2 and the reflector 4, namely the video cabinet for installing the high-speed linear array camera and the reflector is a totally closed cavity, the high-speed linear array camera and the reflector are provided with the reflector closing cover outside to form two seals, a long and narrow light path channel 13 is arranged in the video cabinet 1 at a position corresponding to the center of the reflector 4, the cross section of the light path channel 13 in width direction is a rectangular cavity structure with the periphery closed, the optical path channel 13 is convenient for a high-speed linear array camera to shoot images and isolate external dust, one end of the optical path channel 13 close to the reflector 4 is provided with vertical type light-transmitting glass 5 isolating the external dust and the smoke dust, in other words, the position in the video cabinet corresponding to the center of the reflector is provided with light-transmitting glass, the light-transmitting glass is vertically placed, the light-transmitting glass is opposite to the optical path channel, the distance from the vertical type light-transmitting glass 5 to the outer side of the air supply pipeline 10 is more than 500mm, the distance is preferably 800mm, which is data obtained through long-term tests under a high-dust environment, an illumination light source cabinet 6 is further arranged between the video cabinet 1 and the air supply pipeline 10, a plurality of groups of linear illumination light sources 7 are arranged inside the illumination light source cabinet 6 through a support, preferably, the number of the linear illumination light sources 7 is 2-4 groups, and the linear illumination light sources are, the other end of the light path channel 13 penetrates through the lighting source cabinet 6 to be communicated with the outside, and a proper distance space is reserved between one end of the light path channel communicated with the outside and the outer side of the air conveying pipeline, so that even if a very small amount of tobacco dust is still blown out of the air conveying pipeline, the tobacco dust entering the position of the light-transmitting glass is very rare, even if the very small amount of tobacco dust enters the position of the light-transmitting glass, the light path channel is not easily adsorbed on the vertical light-transmitting glass, and a proper space is reserved between the lighting source cabinet and the air conveying pipeline so as to be convenient for a person of a common figure to enter and exit; a linear background light source 8 is arranged on the other side of the air supply pipeline 10 and the video cabinet 1 through a support, the light source center of the linear background light source 8 is positioned at the center of the detection notch 11, the air in the air supply pipeline 10 is circulating air, the air is supplied from the lower end and is discharged from the upper end, the detection notches 11 are arranged on the air supply pipeline 10 at the front and the rear, the detection notches 11 are positioned at the micro negative pressure position of the air supply pipeline 10, the detection notches 11 are of an open structure and are not shielded, the width of the inner opening of the air supply pipeline 10 below the detection notches 11 is smaller than that of the air supply pipeline 10 above the detection notches 11, a blowing pipe 12 is arranged inside the edge of the illumination light source cabinet 6 and above the light path channel 13, the blowing pipe 12 continuously blows low-pressure air to form an air curtain for isolating external dust or tobacco powder, the high-speed linear array camera scans materials passing through the detection gap on line under the action of the linear illumination light source and the linear background light source through the reflector, the light-transmitting glass and the light path channel to obtain a better detection image.
The working principle of the invention is as follows:
the air in the air conveying pipeline is recycled, an air suction area, namely a negative pressure area, and an air inlet area, namely a positive pressure area, exist in the air conveying pipeline, the boundary line of the negative pressure area and the positive pressure area is an air pressure balance line, namely a zero air pressure line, parameters of an air blower for providing wind power are adjusted, the zero air pressure line is adjusted to the lower limit position of a detection notch, the detection notch is located at the micro negative pressure position of circulating air, the size of an inner opening of the air conveying pipeline of the detection notch is a structure with a small lower part and a large upper part, and no smoke leaves are blown out and no dust is blown out of the outer surface of the air conveying pipeline in the upward conveying process at the micro negative pressure position, so that dust, tobacco powder and tobacco leaves generated by materials in operation are stopped, the detection notch is of an open structure and has no shelter, so that the detected imaging environment is high-cleanness; the high-speed linear array camera, there are camera reflector closing hood and totally closed video cabinet this twice to seal outside the reflector, the pollution of the dust to the camera lens that has come from the external world including in the air has been prevented effectively, the reflector, keep away from the external world and the vertical type printing opacity glass of wind channel, the long and narrow light path passageway of closed all around, from the entering camera of another direction separation dust smoke, the reflector is regional, vertical type printing opacity glass can prevent effectively that the dust from dropping, adsorb, it is also in order to prevent that the dust from getting into the imaging area of camera also to spray formation wind curtain in succession with low-pressure gas at light path passageway and external interface, many dustproof measures provide one and one dustproof barrier for clean dustless environment like this.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention. For example, the position of the detection notch may be different in the embodiment, the position, shape, size and blowing direction of the blowing pipe may be changed, and for example, the air supply pipe may be connected with additional devices with different functions and structures, such as a feeding device, a material dispersing device, a sundries removing and discharging device, etc., at the front part or the rear part of the detection notch, which are regarded as modified extensions within the spirit and principle of the present invention and are intended to be included in the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a tobacco leaf spectrum sorting system who uses under high dust environment, includes that wind send pipeline (10) and video cabinet (1), its characterized in that: video cabinet (1) sets up one side of wind pipeline (10) is sent to wind video cabinet (1) is inside through the fixed high-speed linear array camera of support (2) video cabinet (1) is inside through the fixed reflector of support (4) video cabinet (1) is inside in the position that the center of reflector (4) corresponds sets up light path passageway (13), light path passageway (13) are close to the one end of reflector (4) sets up isolated external dust and vertical type printing opacity glass (5) of offal video cabinet (1) with wind pipeline (10) between still set up illumination light source cabinet (6), the other end of light path passageway (13) passes illumination light source cabinet (6) logical external, illumination light source cabinet (6) are inside to be provided with several groups linear illumination light source (7) through the support, wind pipeline (10)'s opposite side, With video cabinet (1) is provided with linear background light source (8) through the support, the wind in wind send pipeline (10) is the circulated air, lower extreme air inlet, the upper end air-out, the light source center of linear background light source (8) is located detect the center of breach (11) wind send pipeline (10) to go up the front and back all be provided with and detect breach (11) below the interior mouth width of wind send pipeline (10) is less than detect breach (11) top the interior mouth width of wind send pipeline (10).
2. The tobacco leaf spectrum sorting system used in the high-dust environment according to claim 1, is characterized in that: the cross section of the light path channel (13) in the width direction is a rectangular cavity structure with the periphery closed.
3. The tobacco leaf spectrum sorting system used in the high-dust environment according to claim 1, is characterized in that: the distance from the vertical type light-transmitting glass (5) to the outer side of the air supply pipeline (10) is larger than 500 mm.
4. The tobacco leaf spectrum sorting system used in the high-dust environment according to claim 1, is characterized in that: the detection notch (11) is located at the micro negative pressure position of the air supply pipeline (10), and the detection notch (11) is of an open structure.
5. The tobacco leaf spectrum sorting system used in the high-dust environment according to claim 1, is characterized in that: the number of the linear lighting light sources (7) is 2-4 groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011116252.2A CN112147084B (en) | 2020-10-19 | 2020-10-19 | Tobacco spectrum sorting system used in high-dust environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011116252.2A CN112147084B (en) | 2020-10-19 | 2020-10-19 | Tobacco spectrum sorting system used in high-dust environment |
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| Publication Number | Publication Date |
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| CN112147084A true CN112147084A (en) | 2020-12-29 |
| CN112147084B CN112147084B (en) | 2024-07-02 |
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| CN202011116252.2A Active CN112147084B (en) | 2020-10-19 | 2020-10-19 | Tobacco spectrum sorting system used in high-dust environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115944110A (en) * | 2023-02-17 | 2023-04-11 | 云南烟草机械有限责任公司 | Intelligent grading method and intelligent grading system for tobacco leaves |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4609108A (en) * | 1984-01-27 | 1986-09-02 | Institute Po Technicheska Kibernetika I Robotika | Tobacco sorting method and apparatus |
| CN2574432Y (en) * | 2002-10-16 | 2003-09-24 | 王军 | Intelligent tobacco foreign matter ejecting device |
| CN102029263A (en) * | 2010-11-19 | 2011-04-27 | 南京文采科技有限责任公司 | Device for detecting stems in leaves and removing stems from leaves |
| CN201848391U (en) * | 2010-10-27 | 2011-06-01 | 大树智能科技(南京)有限公司 | System for eliminating foreign bodies on tobacco leaves |
| CN203127599U (en) * | 2012-12-13 | 2013-08-14 | 湖南中烟工业有限责任公司 | Impurity removing device for forming uniform tobacco leaf layers |
| CN110394307A (en) * | 2019-07-18 | 2019-11-01 | 江苏恒森烟草机械有限公司 | A kind of tobacco leaf detects sorting system automatically |
| CN110636231A (en) * | 2019-08-12 | 2019-12-31 | 南京焦耳科技有限责任公司 | Device and method for acquiring three-view image of single tobacco leaf |
| CN213398174U (en) * | 2020-10-19 | 2021-06-08 | 南京图治自动化科技有限公司 | Tobacco leaf spectrum sorting system used in high-dust environment |
-
2020
- 2020-10-19 CN CN202011116252.2A patent/CN112147084B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4609108A (en) * | 1984-01-27 | 1986-09-02 | Institute Po Technicheska Kibernetika I Robotika | Tobacco sorting method and apparatus |
| CN2574432Y (en) * | 2002-10-16 | 2003-09-24 | 王军 | Intelligent tobacco foreign matter ejecting device |
| CN201848391U (en) * | 2010-10-27 | 2011-06-01 | 大树智能科技(南京)有限公司 | System for eliminating foreign bodies on tobacco leaves |
| CN102029263A (en) * | 2010-11-19 | 2011-04-27 | 南京文采科技有限责任公司 | Device for detecting stems in leaves and removing stems from leaves |
| CN203127599U (en) * | 2012-12-13 | 2013-08-14 | 湖南中烟工业有限责任公司 | Impurity removing device for forming uniform tobacco leaf layers |
| CN110394307A (en) * | 2019-07-18 | 2019-11-01 | 江苏恒森烟草机械有限公司 | A kind of tobacco leaf detects sorting system automatically |
| CN110636231A (en) * | 2019-08-12 | 2019-12-31 | 南京焦耳科技有限责任公司 | Device and method for acquiring three-view image of single tobacco leaf |
| CN213398174U (en) * | 2020-10-19 | 2021-06-08 | 南京图治自动化科技有限公司 | Tobacco leaf spectrum sorting system used in high-dust environment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115944110A (en) * | 2023-02-17 | 2023-04-11 | 云南烟草机械有限责任公司 | Intelligent grading method and intelligent grading system for tobacco leaves |
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| CN112147084B (en) | 2024-07-02 |
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