CN213398174U - 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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- CN213398174U CN213398174U CN202022322067.0U CN202022322067U CN213398174U CN 213398174 U CN213398174 U CN 213398174U CN 202022322067 U CN202022322067 U CN 202022322067U CN 213398174 U CN213398174 U CN 213398174U
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Abstract
The utility model relates to a tobacco leaf spectrum sorting system that uses under high dust environment, send pipeline and video cabinet including wind, at inside high-speed linear array camera and the reflector of setting up of video cabinet, set up the light path passageway in the video cabinet, the one end that the light path passageway is close to the reflector sets up printing opacity glass, set up the light source cabinet between video cabinet and wind pipeline, be provided with linear light source in the light source cabinet, send the opposite side of pipeline at wind, be provided with linear background light source through the support with the video cabinet, be provided with the detection breach on sending the pipeline at wind, the internal orifice width that sends the pipeline at the wind that detects the breach below is less than the internal orifice width that sends the pipeline at the wind that detects the breach top. The utility model discloses utilize the function of circulated air, the structure that mouthful size lower part is little, upper portion is big in the wind-powered pipeline that is located little negative pressure zone's open-type detection breach and detects breach department through the setting, effectively prevents that the tobacco leaf among the transported substance from wafting out, and the offal dust is raised out, clean frequency, the maintenance work volume of reduction system.
Description
Technical Field
The utility model relates to a spectrum detection device, specific tobacco leaf spectrum sorting system that uses under high dust environment that says so.
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.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a tobacco leaf spectrum sorting system that uses under high dust environment, this system can effectively obstruct the interference of tobacco dust tobacco leaf to the formation of image when tobacco leaf on-line measuring to gain better detection imaging effect.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
the utility model relates to a tobacco leaf spectrum sorting system used in 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 bracket, a reflector is fixed in the video cabinet through a bracket, 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 close to the reflector is provided with vertical transparent glass for isolating external dust and tobacco dust, a lighting 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 lighting source cabinet to be communicated with the outside, a plurality of groups of linear lighting sources are arranged in the lighting source cabinet through a bracket, the other side of the air supply pipeline and the video cabinet are provided with linear background light sources through a bracket, the air in the air supply pipeline is circulating air, the front and the back of the air conveying pipeline are respectively provided with a detection notch, the center of a light source of the linear background light source is positioned at the center of the detection notch, 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 utility model discloses a further improvement lies in: and camera reflector closing covers are arranged on the outer sides of the high-speed linear array camera and the reflector.
The utility model discloses a further improvement lies in: 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 utility model discloses a further improvement lies in: 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 utility model discloses a further improvement lies in: the distance from the vertical type light-transmitting glass to the outer side of the air supply pipeline is more than 500 mm.
The utility model discloses a further improvement lies in: 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 utility model discloses a further improvement lies in: 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 utility model has the advantages that: the utility model discloses utilize the function of circulated air, the wind that is located little negative pressure zone's open-type through the setting detects the breach and detects breach department sends the pipeline internal orifice size lower part little, the structure that upper portion is big, effectively prevent that the tobacco leaf among the transported substance from wafting out, the offal dust is raised, then send the vertical type printing opacity glass of pipeline through keeping away from the external world and wind, the long and narrow light path passageway of confined all around, and the camera, the wind curtain that two sealing device and the low pressure of reflector blown the formation, can prevent effectively to carry the tobacco leaf offal dust in the material of operation and the dust in the isolated environment, keep the clean of formation of image part and the clean few dirt in formation of image space.
The utility model discloses the structure is ingenious, novel in design, for spectral detection accuracy effectively lays down good basis, clean frequency, the maintenance work load of maximum reduction system.
Drawings
Fig. 1 is a schematic diagram of the principle structure 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 duct of fig. 1 according to the present invention.
Fig. 4 is a partially enlarged view of fig. 1 according to 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 present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations 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 utility model relates to a tobacco leaf spectrum sorting system used in high dust environment, which comprises an air supply pipeline 10, a video cabinet 1 is arranged on one side of the air supply pipeline 10, a high-speed linear array camera 2 is fixed in the video cabinet 1 through a bracket, a reflector 4 is fixed in the video cabinet 1 through a bracket, a camera reflector sealing cover 3 is arranged on 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-enclosed cavity, two seals are formed by the high-speed camera and the reflector sealing cover outside the linear array camera and the reflector, 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 the width direction is a rectangular cavity structure enclosed all around, 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 utility model discloses a theory of operation is:
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 changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement 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 specific 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 to 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 or rear part of the detection notch, which are all considered as modifications and 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 the center that detects breach (11) all be provided with around wind send pipeline (10) to detect breach (11) below the internal orifice width of wind send pipeline (10) is less than detect breach (11) top the internal orifice 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 |
|---|---|---|---|
| CN202022322067.0U CN213398174U (en) | 2020-10-19 | 2020-10-19 | Tobacco leaf spectrum sorting system used in high-dust environment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022322067.0U CN213398174U (en) | 2020-10-19 | 2020-10-19 | Tobacco leaf spectrum sorting system used in high-dust environment |
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| CN213398174U true CN213398174U (en) | 2021-06-08 |
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| CN202022322067.0U Active CN213398174U (en) | 2020-10-19 | 2020-10-19 | Tobacco leaf spectrum sorting system used in high-dust environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147084A (en) * | 2020-10-19 | 2020-12-29 | 南京图治自动化科技有限公司 | Tobacco leaf spectrum sorting system used in high-dust environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147084A (en) * | 2020-10-19 | 2020-12-29 | 南京图治自动化科技有限公司 | Tobacco leaf spectrum sorting system used in high-dust environment |
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