CN210465241U - Image acquisition device for detecting cotton foreign fiber - Google Patents
Image acquisition device for detecting cotton foreign fiber Download PDFInfo
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- CN210465241U CN210465241U CN201921466861.3U CN201921466861U CN210465241U CN 210465241 U CN210465241 U CN 210465241U CN 201921466861 U CN201921466861 U CN 201921466861U CN 210465241 U CN210465241 U CN 210465241U
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- acquisition device
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Abstract
The utility model discloses an image acquisition device for detecting cotton foreign fiber, which comprises a rectangular top plate, four baffle plates, three linear array CCD cameras, two fluorescent lamps, an ultraviolet lamp and an electric box; the four baffle plates are vertically arranged on the lower side surface of the rectangular top plate, and the lower part of the rectangular top plate is divided into three detection areas from left to right; the three linear array CCD cameras are respectively arranged in the three detection intervals through three camera shooting supports; two fluorescent lamps and an ultraviolet lamp are respectively arranged in the three detection intervals; polarizing films are arranged at the fluorescent lamp and the linear array CCD camera in one detection interval. This image acquisition device utilizes the light in the three detection interval and makes a video recording the combination and can satisfy the detection image shooting of coloured different fibre and colourless different fibre in the cotton to can discern whether there is different fibre in the detection image when the later stage discernment is handled detection image.
Description
Technical Field
The utility model relates to an image acquisition device, especially an image acquisition device that is used for different fine detection of cotton.
Background
Cotton is one of the main economic crops in China, is an important raw material in the textile industry, and is also an important export foreign exchange substance in China. Internationally, cotton impurities are generally divided into plant impurities and foreign bodies, including cotton plant parts, weed plant parts, synthetic materials, organic matter, insects and physiological sugars, and non-organic materials. The dangerous impurities are hard impurities and soft impurities mixed in the cotton, which have serious influence on the processing, use and quality of the cotton, such as metal, masonry and chemical fibers, silk hemp, hair, plastic ropes, cloth and other foreign fibers or colored fibers. The non-fiber impurities mixed in the cotton, the cotton fibers on the sterile seeds, the cotton seeds, the seed cotton, the broken seeds and the seed scraps and the color fibers of the foreign fibers are classified as the foreign fibers.
The cotton impurity content is one of the main indexes of grading and pricing of cotton, and directly influences cotton ginning and yarn effects, and finally influences the quality of woven products. In most cotton production areas in China, cotton harvesting still mainly adopts manual picking, foreign impurities such as mulching film fragments used for planting cotton, plastic fragments brought in during picking up cotton, cotton bags, gloves and woven bag fragments, and impurities such as plastic ropes and hair are easily mixed in the processes of picking, loading cotton, drying cotton, transporting cotton, selling cotton and the like, and the existence of the foreign impurities directly influences the export of domestic raw cotton. Therefore, foreign body sorting is an extremely important research field, and foreign body refers to non-cotton fiber and non-natural color cotton fiber mixed in cotton and having serious influence on the quality of cotton and products thereof.
Foreign fibers and foreign bodies can be classified into two completely different categories: foreign bodies are very different from cotton in color, contrast and structure. The foreign materials are composed of light-colored and transparent objects, and are usually polypropylene (PP) or Polyethylene (PE) films, which are difficult to be distinguished from cotton in terms of color and cannot be recognized by conventional foreign material separation devices. Aiming at foreign matters which are greatly different from cotton in color and contrast, white light source irradiation and color CCD imaging are adopted, and the foreign matters can be detected from an R, G, B signal after imaging. However, the foreign fiber is a transparent object, so that the foreign fiber is difficult to distinguish from cotton in color under the irradiation of white light. Therefore, it is necessary to design an image capturing device for detecting cotton foreign fibers, which is capable of conveniently capturing detection images under fluorescent light irradiation, fluorescent light irradiation and polarized light irradiation conditions, so as to facilitate comprehensive identification and analysis of foreign fibers in the three detection images at a later stage.
Disclosure of Invention
Utility model purpose: the utility model provides an image acquisition device for cotton different fibre detects can be convenient for shoot fluorescent lamp and shine, fluorescent lamp and shine and the detection image under the polarized light illumination condition to the later stage of being convenient for carries out comprehensive identification analysis to the different fibre in three kinds of detection images.
The technical scheme is as follows: the utility model discloses an image acquisition device for cotton foreign fiber detection, including rectangle roof, four separate baffles, three linear array CCD cameras, two fluorescent lamps, an ultraviolet lamp and an electric box;
the electrical box is arranged on the upper side surface of the rectangular top plate; three paths of voltage regulating circuits and power modules are arranged in the electric box; the side surface of the electric box is provided with three camera switches, three signal transmission interfaces and a voltage adjusting knob of a three-way voltage adjusting circuit; the power supply module supplies power to the two fluorescent lamps and the ultraviolet lamp through the three voltage regulating circuits respectively, and the three voltage regulating knobs are used for regulating the output voltages of the three voltage regulating circuits respectively; the three camera switches are respectively connected in series on a power supply circuit between the three linear array CCD cameras and the power supply module; the three signal transmission interfaces are respectively and electrically connected with the signal output ends of the three linear array CCD cameras; a vertical support rod is vertically arranged at four top corners of the lower side surface of the rectangular top plate; the lower ends of the four vertical support rods are respectively sleeved with a vertical sleeve; a positioning bolt is screwed on the pipe wall of the vertical sleeve, and the end part of a screw rod of the positioning bolt is pressed on the vertical support rod; the four baffle plates are vertically arranged on the lower side surface of the rectangular top plate, are arranged in parallel at equal intervals, and divide the lower part of the rectangular top plate into three detection intervals from left to right; the three linear array CCD cameras are respectively arranged in the three detection intervals through three camera shooting supports; two fluorescent lamps and an ultraviolet lamp are respectively arranged in the three detection intervals; and a polaroid is arranged at the light ray emergent position of one of the fluorescent lamps, and is also arranged in front of the linear array CCD camera lens in the same detection interval.
Furthermore, the camera shooting bracket consists of a vertical hanging pipe, an adjusting screw rod, a locking bolt and a transverse adjusting rod; the vertical suspension pipe is vertically arranged on the lower side surface of the rectangular top plate, and an internal thread is arranged at a lower pipe opening of the vertical suspension pipe; the upper end of the adjusting screw is screwed on the internal thread; the transverse adjusting rod is provided with a strip-shaped adjusting hole along the length direction; a locking threaded hole is formed in the lower end of the adjusting screw rod; the end part of the screw rod of the locking bolt penetrates through the strip-shaped adjusting hole and then is installed on the positioning threaded hole in a threaded manner; the linear array CCD camera is arranged below the end part of the transverse adjusting rod.
Furthermore, a strip-shaped slot is vertically arranged on the lower side edge of the baffle plate, and an extension plate is vertically inserted into the strip-shaped slot; an adjusting strip-shaped hole is vertically arranged on the vertical side surface of the baffle plate; a locking and fixing screw rod extending out of the adjusting strip-shaped hole is arranged on the side surface of the insertion end of the extension plate; and a butterfly nut is screwed on the extending end part of the locking and fixing screw rod.
Furthermore, a shading mechanism is arranged on the front side edge and the rear side edge of the rectangular top plate; the shading mechanism comprises a scroll, shading cloth and a balance pull rod; the reel passes through the support rotation type and installs on the side of rectangle roof, and shading cloth is around rolling up on the reel, and the horizontal setting of balancing pull rod is on shading cloth's downside edge.
Furthermore, a hook is arranged on the outer pipe wall at the lower end of the vertical sleeve; two ends of the balance pull rod transversely extend out of the edge of the shading cloth; the hook is used for buckling the extending end of the balance pull rod at the corresponding position.
Furthermore, the polaroid is arranged at the light ray emergent position of the fluorescent lamp and in front of the linear array CCD camera lens through the mounting plate; a light transmission window penetrates through the front side and the back side of the mounting plate, and a side slot is formed in the side edge of the mounting plate; the polaroid is inserted into the light transmission window from the side slot.
Furthermore, the fluorescent lamp and the ultraviolet lamp are hinged and installed on the vertical side face of the baffle plate in the corresponding detection interval through the hinge seat.
Further, a bottom mounting plate is arranged at the lower end of the vertical sleeve.
Compared with the prior art, the utility model, its beneficial effect is: the combination of the fluorescent lamp and the linear array CCD camera can meet the requirement of detecting images of colored foreign fibers in cotton, and the combination of the ultraviolet lamp and the linear array CCD camera and the combination of the fluorescent lamp with the polaroid and the linear array CCD camera can meet the requirement of detecting images of colorless foreign fibers in cotton, so that whether foreign fibers exist in the detected images can be identified when the detected images are identified and processed at a later stage; the separation of the detection area can be realized by using the baffle plate, so that the mutual influence of light rays is prevented; the voltage adjusting circuit and the voltage adjusting knob thereof can be used for adjusting the light intensity of the fluorescent lamp and the ultraviolet lamp according to the requirements.
Drawings
Fig. 1 is a schematic diagram of the front side structure of the present invention.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example 1:
as shown in fig. 1, the utility model discloses an image acquisition device for different fine detection of cotton includes: the device comprises a rectangular top plate 1, four partition plates 3, three linear array CCD cameras 8, two fluorescent lamps 29, an ultraviolet lamp 11 and an electric box 2;
the electrical box 2 is arranged on the upper side surface of the rectangular top plate 1; three paths of voltage regulating circuits and power modules are arranged in the electric box 2; the side surface of the electrical box 2 is provided with three camera switches 27, three signal transmission interfaces 28 and a voltage adjusting knob 26 of a three-way voltage adjusting circuit; the power supply module supplies power to the two fluorescent lamps 29 and the ultraviolet lamp 11 through the three voltage regulating circuits respectively, and the three voltage regulating knobs 26 are used for regulating the output voltages of the three voltage regulating circuits respectively; the three camera switches 27 are respectively connected in series on the power supply circuit between the three linear array CCD cameras 8 and the power supply module; the three signal transmission interfaces 28 are respectively and electrically connected with the signal output ends of the three linear array CCD cameras 8; a vertical support rod 19 is vertically arranged at each of four top corners of the lower side surface of the rectangular top plate 1; the lower ends of the four vertical support rods 19 are all sleeved with a vertical sleeve 18; a positioning bolt 20 is screwed on the pipe wall of the vertical sleeve 18, and the end part of a screw rod of the positioning bolt 20 is pressed on the vertical support rod 19; the four baffle plates 3 are vertically arranged on the lower side surface of the rectangular top plate 1, and the four baffle plates 3 are arranged in parallel at equal intervals to divide the lower part of the rectangular top plate 1 into three detection intervals from left to right; the three linear array CCD cameras 8 are respectively arranged in the three detection intervals through three camera shooting supports; two fluorescent lamps 29 and one ultraviolet lamp 11 are respectively arranged in the three detection intervals; a polaroid 25 is arranged at the light emergent position of one of the fluorescent lamps 29, and the polaroid 25 is also arranged in front of the lens of the linear array CCD camera 8 in the same detection interval.
The combination of the fluorescent lamp 29 and the linear array CCD camera 8 can meet the requirement of detecting images of colored foreign fibers in cotton, the combination of the ultraviolet lamp 11 and the linear array CCD camera 8 is matched with the combination of the fluorescent lamp 29 with the polarizing film 25 and the linear array CCD camera 8, so that the detection images of colorless foreign fibers in cotton can be shot, and whether foreign fibers exist in the detection images can be identified when the detection images are identified and processed at the later stage; the separation of the detection area can be realized by using the baffle 3, thereby preventing the mutual influence of light; the light intensity of the fluorescent lamp 29 and the ultraviolet lamp 11 can be adjusted according to the requirement when the lamp is used by utilizing the voltage adjusting circuit and the voltage adjusting knob 26 thereof; the supporting height of the rectangular top plate 1 can be adjusted by matching the vertical sleeve 18, the vertical support rod 19 and the positioning bolt 20, so that the rectangular top plate can be effectively adjusted according to the field use requirement.
Furthermore, the camera shooting bracket is composed of a vertical hanging pipe 5, an adjusting screw 6, a locking bolt 9 and a transverse adjusting rod 7; the vertical suspension pipe 5 is vertically arranged on the lower side surface of the rectangular top plate 1, and an internal thread is arranged at a lower pipe opening of the vertical suspension pipe 5; the upper end of the adjusting screw 6 is screwed on the internal thread; a strip-shaped adjusting hole is formed in the transverse adjusting rod 7 along the length direction of the transverse adjusting rod; the lower end of the adjusting screw 6 is provided with a locking threaded hole; the end part of the screw rod of the locking bolt 9 penetrates through the strip-shaped adjusting hole and then is installed on the positioning threaded hole in a threaded manner; the linear array CCD camera 8 is arranged below the end part of the transverse adjusting rod 7. The height and horizontal position of the linear array CCD camera 8 can be adjusted by using the camera bracket.
Furthermore, a strip-shaped slot is vertically arranged on the lower side edge of the baffle 3, and an extension plate 4 is vertically inserted into the strip-shaped slot; an adjusting strip-shaped hole is vertically arranged on the vertical side surface of the baffle 3; a locking and fixing screw 21 extending out of the adjusting strip-shaped hole is arranged on the side surface of the insertion end of the extension plate 4; a butterfly nut 22 is screwed on the extending end of the locking and fixing screw 21. The downward extension length of the extension plate 4 can be adjusted according to the use requirement by the matching of the locking fixing screw 21 and the butterfly nut 22.
Furthermore, a shading mechanism is arranged on the front side edge and the rear side edge of the rectangular top plate 1; the shading mechanism comprises a scroll 13, shading cloth 14 and a balance pull rod 15; the reel 13 is rotatably mounted on the side of the rectangular top plate 1 via the support 12, the shade cloth 14 is wound around the reel 13, and the balance bar 15 is transversely disposed on the lower side of the shade cloth 14. The front side and the rear side of the detection area can be shielded by the shading mechanism according to the field use requirement.
Further, a hook 16 is arranged on the outer pipe wall at the lower end of the vertical sleeve 18; two ends of the balance pull rod 15 transversely extend out of the edge of the shading cloth 14; the hook 16 is used to be caught on the protruding end of the balance bar 15 at a corresponding position. The balance bar 15 can be fixed by means of a hook 16.
Further, the polaroid 25 is arranged at the light emergent position of the fluorescent lamp 29 and in front of the lens of the linear array CCD camera 8 through the mounting plate 23; a light-transmitting window penetrates through the front side and the back side of the mounting plate 23, and a side slot 24 is formed in the side edge of the mounting plate 23; the polaroid 25 is inserted into the light transmission window through the side slot 24.
Further, the fluorescent lamp 29 and the ultraviolet lamp 11 are hinged and installed on the vertical side face of the baffle 3 in the corresponding detection interval through the hinge seat 10. The hinge seat 10 is used for hinge installation, so that the emergent angle of the light can be adjusted according to the requirements of field use.
Further, a bottom mounting plate 17 is provided at the lower end of the vertical sleeve 18. The use of the bottom mounting plate 17 facilitates the mounting of the image capture device on the cotton conveyor belt, thereby enabling continuous image capture.
The utility model discloses an among the image acquisition device that is used for cotton different fine detection, linear array CCD camera 8 is visible ray array CCD camera for carry out image acquisition, and the colored digital image that takes "line" as the unit is acquireed in succession by FPGA real-time image detection card through camera Link interface in the detection image later stage; a polarizing plate 25 is arranged at the light emergent position of the fluorescent lamp 29, so that linearly polarized light is formed and irradiates the cotton to be detected again, and the optical anisotropy of the polarizing plate causes phase difference between o light and e light; a polaroid 25 is arranged in front of the lens of the linear array CCD camera 8, so that components of o light and e light in the polarization direction generate an interference phenomenon, a color image can be observed on the special fiber part on the linear array CCD camera 8, and the color special fiber part in the image is detected by the FPGA real-time image processing in the later stage; the voltage regulating circuit adopts the existing light brightness regulating circuit with a voltage regulating knob; the power supply module adopts the existing voltage stabilizing circuit to supply power for the voltage regulating circuit and the linear array CCD camera 8.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. An image acquisition device for cotton foreign fiber detection is characterized in that: the device comprises a rectangular top plate (1), four partition plates (3), three linear array CCD cameras (8), two fluorescent lamps (29), an ultraviolet lamp (11) and an electric box (2);
the electric box (2) is arranged on the upper side surface of the rectangular top plate (1); three paths of voltage regulating circuits and power modules are arranged in the electric box (2); three camera switches (27), three signal transmission interfaces (28) and a voltage adjusting knob (26) of a three-way voltage adjusting circuit are arranged on the side surface of the electric box (2); the power supply module supplies power to the two fluorescent lamps (29) and the ultraviolet lamp (11) through the three voltage regulating circuits respectively, and the three voltage regulating knobs (26) are used for regulating the output voltages of the three voltage regulating circuits respectively; the three camera switches (27) are respectively connected in series on the power supply circuit between the three linear array CCD cameras (8) and the power supply module; the three signal transmission interfaces (28) are respectively and electrically connected with the signal output ends of the three linear array CCD cameras (8); a vertical support rod (19) is vertically arranged at four top corners of the lower side surface of the rectangular top plate (1); the lower ends of the four vertical support rods (19) are respectively sleeved with a vertical sleeve (18); a positioning bolt (20) is screwed on the pipe wall of the vertical sleeve (18), and the end part of the screw rod of the positioning bolt (20) is pressed on the vertical support rod (19); the four baffle plates (3) are vertically arranged on the lower side surface of the rectangular top plate (1), and the four baffle plates (3) are arranged in parallel at equal intervals to divide the lower part of the rectangular top plate (1) into three detection areas from left to right; three linear array CCD cameras (8) are respectively arranged in the three detection intervals through three camera brackets; two fluorescent lamps (29) and an ultraviolet lamp (11) are respectively arranged in the three detection intervals; and a polaroid (25) is arranged at the light ray emergent position of one of the fluorescent lamps (29), and the polaroid (25) is also arranged in front of the lens of the linear array CCD camera (8) in the same detection interval.
2. The image acquisition device for detecting the foreign fibers in the cotton according to claim 1, wherein: the camera shooting support is composed of a vertical hanging pipe (5), an adjusting screw (6), a locking bolt (9) and a transverse adjusting rod (7); the vertical suspension pipe (5) is vertically arranged on the lower side surface of the rectangular top plate (1), and an internal thread is arranged at the lower pipe opening of the vertical suspension pipe (5); the upper end of the adjusting screw (6) is screwed on the internal thread; a strip-shaped adjusting hole is formed in the transverse adjusting rod (7) along the length direction of the transverse adjusting rod; a locking threaded hole is formed in the lower end of the adjusting screw rod (6); the end part of a screw rod of the locking bolt (9) penetrates through the strip-shaped adjusting hole and is installed on the positioning threaded hole in a threaded manner; the linear array CCD camera (8) is arranged below the end part of the transverse adjusting rod (7).
3. The image acquisition device for detecting the foreign fibers in the cotton according to claim 1, wherein: a strip-shaped slot is vertically arranged on the lower side edge of the baffle plate (3), and an extension plate (4) is vertically inserted into the strip-shaped slot; an adjusting strip-shaped hole is vertically arranged on the vertical side surface of the baffle plate (3); a locking and fixing screw rod (21) extending out of the adjusting strip-shaped hole is arranged on the side surface of the insertion end of the extension plate (4); a butterfly nut (22) is screwed on the extending end part of the locking and fixing screw rod (21).
4. The image acquisition device for detecting the foreign fibers in the cotton according to claim 1, wherein: a shading mechanism is arranged on the front side edge and the rear side edge of the rectangular top plate (1); the shading mechanism comprises a scroll (13), shading cloth (14) and a balance pull rod (15); the reel (13) is rotatably installed on the side edge of the rectangular top plate (1) through the support (12), the shading cloth (14) is wound on the reel (13), and the balance pull rod (15) is transversely arranged on the lower side edge of the shading cloth (14).
5. The image acquisition device for detecting the foreign fibers in the cotton according to claim 4, wherein: a hook (16) is arranged on the outer pipe wall at the lower end of the vertical sleeve (18); two ends of the balance pull rod (15) transversely extend out of the edge of the shading cloth (14); the hook (16) is used for buckling the extending end of the balance pull rod (15) at the corresponding position.
6. The image acquisition device for detecting the foreign fibers in the cotton according to claim 1, wherein: the polaroid (25) is arranged at the light ray emergent position of the fluorescent lamp (29) and in front of the lens of the linear array CCD camera (8) through the mounting plate (23); a light-transmitting window penetrates through the front side and the back side of the mounting plate (23), and a side slot (24) is formed in the side edge of the mounting plate (23); the polaroid (25) is inserted to the light transmission window from the side slot (24).
7. The image acquisition device for detecting the foreign fibers in the cotton according to claim 1, wherein: the fluorescent lamp (29) and the ultraviolet lamp (11) are hinged and installed on the vertical side face of the baffle plate (3) in the corresponding detection interval through a hinge seat (10).
8. The image acquisition device for detecting the foreign fibers in the cotton according to claim 1, wherein: the lower end of the vertical sleeve (18) is provided with a bottom mounting plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921466861.3U CN210465241U (en) | 2019-09-05 | 2019-09-05 | Image acquisition device for detecting cotton foreign fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921466861.3U CN210465241U (en) | 2019-09-05 | 2019-09-05 | Image acquisition device for detecting cotton foreign fiber |
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| Publication Number | Publication Date |
|---|---|
| CN210465241U true CN210465241U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921466861.3U Expired - Fee Related CN210465241U (en) | 2019-09-05 | 2019-09-05 | Image acquisition device for detecting cotton foreign fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210465241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112184615A (en) * | 2020-07-04 | 2021-01-05 | 浙江省常山纺织有限责任公司 | Fabric colored fiber detection system based on image processing |
-
2019
- 2019-09-05 CN CN201921466861.3U patent/CN210465241U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112184615A (en) * | 2020-07-04 | 2021-01-05 | 浙江省常山纺织有限责任公司 | Fabric colored fiber detection system based on image processing |
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Granted publication date: 20200505 Termination date: 20210905 |