CN218673912U

CN218673912U - Hyperspectral imaging system

Info

Publication number: CN218673912U
Application number: CN202222926358.XU
Authority: CN
Inventors: 田潘; 蒙庆华; 吴哲锋; 林娇娇; 黄新; 邱邹全; 常洪娟; 倪淳宇; 朱惠; 周煦临; 陆敏; 韦师
Original assignee: Nanning Normal University
Current assignee: Nanning Normal University
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-21
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a hyperspectral imaging system, which comprises a computer and a camera bellows, wherein one side in the camera bellows is provided with a hyperspectral imager, one side of the hyperspectral imager is provided with an optical lens, the bottom of the hyperspectral imager is arranged on an electric pan head, the electric pan head is fixedly arranged in the camera bellows through a support column, and a lighting lamp is arranged above the hyperspectral imager; and an object stage is arranged on the other opposite side in the dark box, is horizontally arranged and is fixedly arranged in the dark box through a vertically arranged telescopic mechanism. The utility model discloses can effectively reduce the risk that hyperspectral imager dropped, weaken the influence of the central point reflection of light of shooting article.

Description

Hyperspectral imaging system

Technical Field

The utility model relates to a high spectral imaging field. More specifically, the utility model relates to a hyperspectral imaging system.

Background

The Hyperspectral imaging technology (Hyperspectral Image) is an Image data technology based on multiple narrow wave bands, combines a machine vision technology and a spectrum technology, can detect two-dimensional geometric space and one-dimensional spectral information of a target, and acquires continuous and narrow wave band Image data with high spectral resolution. The method has the advantages of strong detection capability, high image resolution, multiple wave bands, rich spectral information and the like. At present, the hyperspectral imaging technology has been successfully applied to the content detection of soluble solids of fruits such as plums (CN 109975217A) and kiwi fruits (CN 109187378B). However, in the hyperspectral imaging system in the technology, the hyperspectral imagers are all suspended above the object stage, so that firstly, the hyperspectral imagers are at risk of falling, and secondly, the central parts of the shot objects are easy to reflect light, and the hyperspectral image analysis results are influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hyperspectral imaging system to solve above-mentioned problem.

In order to realize the aim and other advantages of the utility model, the hyperspectral imaging system comprises a computer and a camera bellows, wherein one side in the camera bellows is provided with a hyperspectral imager, one side of the hyperspectral imager is provided with an optical lens, the bottom of the hyperspectral imager is arranged on an electric pan-tilt, the electric pan-tilt is fixedly arranged in the camera bellows through a support column, and a lighting lamp is arranged above the hyperspectral imager; and an object stage is arranged on the other opposite side in the dark box, is horizontally arranged and is fixedly arranged in the dark box through a vertically arranged telescopic mechanism.

Preferably, in the hyperspectral imaging system, a turnover mechanism is arranged on the top surface of the objective table, and the turnover mechanism comprises two mounting plates which are respectively arranged on the front side and the rear side of the objective table and are oppositely arranged; the first rotating shaft is horizontally arranged between the two mounting plates and is rotationally connected with one of the mounting plates, and a first sucking disc is fixedly arranged at the free end of the first rotating shaft; the second pivot, its level is located between two mounting panels, and with the coaxial setting of first pivot, another mounting panel is worn out and is rotated by the actuating mechanism drive to the one end of second pivot, and the other end has set firmly the second sucking disc.

Preferably, in the hyperspectral imaging system, the second rotating shaft comprises an inner shaft and an outer shaft, the inner shaft is inserted into the outer shaft, the side wall of the inner shaft is in spline connection with the inner wall of the outer shaft, and the bottom of the inner shaft is connected with the inner bottom of the outer shaft through a first elastic piece.

Preferably, the hyperspectral imaging system, the driving mechanism comprises: the first gear is fixedly sleeved at one end of the second rotating shaft, which penetrates out of the other mounting plate; the second gear is arranged outside the camera bellows and is driven to rotate by the hand-operated lever; a chain connecting the first gear and the second gear; wherein, the outside of the dark box is fixedly provided with a dark box, one side of the dark box close to the dark box is communicated with the dark box, the front side wall of the dark box is horizontally provided with a strip-shaped square hole, the front inner side wall and the rear inner side wall of the dark box are respectively and fixedly provided with a sliding chute plate, the two sliding chute plates are horizontally arranged and are positioned at the same height with the strip-shaped square hole, the two opposite side walls of the two sliding chute plates are provided with sliding chutes, and the right end of the sliding chute close to the front inner wall of the dark box is communicated with the strip-shaped square hole, the left end of any spout is equipped with the second elastic component admittedly, the rear end of the gear shaft of second gear stretches into and is close to in the spout on the back inner wall of magazine, and with second elastic component butt, the front end is through being close to spout on the preceding inner wall of magazine with the bar square hole is worn out the magazine with hand pole is connected, just the front end of the gear shaft of second gear also with second elastic component butt.

Preferably, in the hyperspectral imaging system, a connecting ring is fixedly arranged at the right end of the second elastic part, and two ends of a gear shaft of the second gear respectively extend into the connecting ring and are rotatably connected with the connecting ring.

Preferably, the hyperspectral imaging system, the top and the bottom of clamping ring all set firmly the direction slider, the top surface and the bottom surface of spout all are equipped with the slide rail along its length direction, the direction slider with adjacent slide rail slip joint.

Preferably, in the hyperspectral imaging system, the telescoping mechanism includes: the two telescopic supports are oppositely arranged on the front side and the rear side of the objective table, and any one of the telescopic supports is vertically arranged and is fixedly connected with the objective table and the camera bellows; the cylinder is arranged between the two telescopic supports and is vertically arranged, the cylinder body end of the cylinder is connected with the camera bellows, and the output end of the cylinder is connected with the objective table.

Preferably, in the hyperspectral imaging system, the illuminating lamp is a 150w halogen lamp.

The utility model discloses at least, include following beneficial effect:

the utility model discloses a with one side of high spectrum imager setting in the camera bellows, set up the objective table in another opposite side of camera bellows, and be equipped with optical lens in one side of high spectrum imager, set up the light in the top of high spectrum imager, at the bottom installation telescopic machanism of objective table, in order to pass through telescopic machanism, adjust the article on optical lens and the objective table to same height, realize the high spectrum image acquisition to article, the risk that the high spectrum imager dropped has effectively been reduced, the influence of the central point reflection of light of shooting article has been weakened.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a hyperspectral imaging system according to an embodiment of the invention;

fig. 2 is a schematic top view of an object stage according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a second rotating shaft according to an embodiment of the present invention;

fig. 4 is a schematic top view of a cassette according to an embodiment of the present invention;

fig. 5 is a schematic front view of the cassette according to an embodiment of the present invention.

Detailed Description

The present invention is further described in detail with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As shown in fig. 1, the utility model provides a hyperspectral imaging system, including computer 1 and camera bellows 2, one side in the camera bellows 2 is equipped with hyperspectral imager 3, one side of hyperspectral imager 3 is equipped with optical lens 4, the bottom is installed on electronic cloud platform 5, electronic cloud platform 5 sets firmly in the camera bellows 2 through support column 6, the top of hyperspectral imager 3 is equipped with light 7; and an object stage 8 is arranged on the other opposite side in the dark box 2, and the object stage 8 is horizontally arranged and fixedly arranged in the dark box 2 through a vertically arranged telescopic mechanism.

In the above embodiment, the hyperspectral imaging system includes a computer and a camera bellows, and the computer and the camera bellows are connected by a data line to extract and exchange data. The camera bellows is internally composed of a hyperspectral imaging acquisition system, an illumination system and a liftable objective table system. The hyperspectral imaging acquisition system is arranged on one side of the camera bellows and comprises a hyperspectral imager, an optical lens and an electric pan tilt, wherein the optical lens is arranged on one side of the hyperspectral imager, the bottom of the hyperspectral imager is arranged on the electric pan tilt, the electric pan tilt is fixedly arranged in the camera bellows through a support column, the hyperspectral imager is controlled by the electric pan tilt to drive the optical lens to rotate between-5 degrees and 5 degrees, spectral images around articles can be acquired, and the definition of the acquired images can be changed by focusing the optical lens. The illumination system comprises an illuminating lamp, the illuminating lamp is hung right above the hyperspectral imager, and the brightness and the illumination angle can be adjusted according to the needs of articles. The another opposite side in the camera bellows is located to the objective table system of liftable, including objective table and telescopic machanism, the objective table level sets up, and telescopic machanism is vertical to be located the below of objective table, through telescopic machanism, adjusts the height of objective table to make article and optical lens on the objective table be located same height, obtain more clear spectral image data.

During the use, will await measuring article and place on the objective table, adjust telescopic machanism, make article and optical lens be located same height, then start light and high spectrum imager, gather the spectral image data of article to the passback is given the computer, and the electronic cloud platform of computer also can control rotates, gathers spectral image data around the article, gathers the back is accomplished in the collection, closes light and high spectrum imager, takes out article, can.

In another embodiment, as shown in fig. 1 and 2, a turnover mechanism is disposed on the top surface of the object stage 8, and the turnover mechanism includes two mounting plates 9, which are disposed on the front and rear sides of the object stage 8, respectively, and are disposed oppositely; the first rotating shaft 10 is horizontally arranged between the two mounting plates 9 and is in rotating connection with one of the mounting plates 9 through a bearing, and a first suction disc 11 is fixedly arranged at the free end of the first rotating shaft 10; second pivot 12, its level is located between two mounting panels 9, and with the coaxial setting of first pivot 10, another mounting panel 9 is worn out and is rotated by the actuating mechanism drive to the one end of second pivot 12, and the other end has set firmly second sucking disc 13, second pivot 12 with another mounting panel 9 also rotates through the bearing and is connected. Here, through set up tilting mechanism at the top surface of objective table, during the use, can fix the both ends of the article that awaits measuring between two mounting panels through first sucking disc and second sucking disc to rotate through actuating mechanism drive second pivot, realize the upset to the article that awaits measuring, actuating mechanism can be motor or hand rocker.

In another embodiment, as shown in fig. 3, the second rotating shaft 12 includes an inner shaft 14 and an outer shaft 15, the inner shaft 14 is inserted into the outer shaft 15, a side wall of the inner shaft 14 is spline-connected to an inner wall of the outer shaft 15, a bottom of the inner shaft 14 is connected to an inner bottom of the outer shaft 15 through a first elastic member 16, an elastic force direction of the first elastic member 16 is parallel to an axial direction of the second rotating shaft, and the first elastic member may be a spring or a leaf spring. Here, a preferable structure of the second rotating shaft is described, so that the second rotating shaft has elasticity and does not affect the driving mechanism to drive the second rotating shaft to rotate.

In another embodiment, as shown in fig. 1, 4, and 5, the driving mechanism includes: the first gear 17 is fixedly sleeved at one end of the second rotating shaft 12, which penetrates out of the other mounting plate 9; a second gear 18 which is arranged outside the dark box 2 and is driven to rotate by a hand lever 19; a chain 20 connecting the first gear 17 and the second gear 18; the device comprises a dark box 2, a dark box 21 is fixedly arranged outside the dark box 2, one side, close to the dark box 2, of the dark box 21 is communicated with the dark box 2, a strip-shaped square hole 22 is horizontally arranged on the front side wall of the dark box 21, sliding groove plates 23 are fixedly arranged on the front inner wall and the rear inner wall of the dark box 21, the two sliding groove plates 23 are horizontally arranged and are located at the same height with the strip-shaped square hole 22, sliding grooves 24 are formed in two opposite side walls of the two sliding groove plates 23, the right end, close to the sliding grooves 24 in the front inner wall of the dark box 21, is communicated with the strip-shaped square hole 22, a second elastic part 25 is fixedly arranged at the left end of any sliding groove 24, the elastic direction of the second elastic part is parallel to the length direction of the sliding grooves 24, the second elastic part 25 can be a spring or an elastic sheet, the rear end of a gear shaft of the second gear 18 extends into the sliding groove 24 close to the rear inner wall of the dark box 21 and is connected with a hand-operated gear shaft 19, and the front end of the second elastic part 25 is abutted against the sliding groove 24 and the bar 22 close to the dark box 21. Here, enumerate a actuating mechanism's preferred structure, through setting up the second gear in the camera bellows, and arrange the gear shaft of second gear in the spout, and with the second elastic component butt in the spout, the second gear passes through chain and first gear connection, so that the second gear is flexible about telescopic machanism and when leading to the high emergence of first gear to change, can be fine motion in the spout, in order to keep the stable connection between first gear and second gear, through rotating the hand lever, the hand lever drives the second gear, the first gear is driven to the second gear, can realize driving the second pivot and rotate.

Further, the top and the bottom of bar square hole 22 set up spacing track along its length direction install expansion plate 29 in the bar square hole, and will expansion plate 29 the left and right sides with the left and right sides of bar square hole 22 is fixed, will the upper and lower both sides of expansion plate 29 slide to be located in the spacing track, will again the second pivot warp expansion plate 29 seals up and wears out bar square hole 22 to avoid light to get into the camera bellows through the bar square hole in, further improve hyperspectral imager's image quality.

Further, the top and the below of bar square hole 22 set up a spacing groove 30 respectively, the spacing groove level sets up, the hand rocking bar sets up to include connecting rod and locating lever, the one end of connecting rod with the perpendicular fixed connection of gear shaft of second gear 18, the other end is equipped with the locating hole, the locating lever activity is inserted and is located in the locating hole, just the locating lever can with the spacing groove cooperation is connected. Under the initial state, insert the locating lever and locate the spacing inslot that is located the below, when needing the upset, extract the locating lever from the spacing inslot that is located the below, then rotate 180 with the connecting rod, insert the locating lever again and locate the spacing inslot that is located the top, can realize the 180 upsets of the article that awaits measuring.

In another embodiment, as shown in fig. 4, a connecting ring 26 is fixedly disposed at the right end of the second elastic member 25, and two ends of the gear shaft of the second gear 18 respectively extend into the connecting ring 26 and are rotatably connected with the connecting ring 26, so as to prevent the second elastic member from coming out of the sliding slot under the action of a pressing force when the gear shaft of the second gear moves in the sliding slot, so that the gear shaft of the second gear and the second elastic member are stably connected.

In another embodiment, as shown in fig. 4, the top and the bottom of the connecting ring 26 are fixedly provided with a guiding sliding block, the top and the bottom of the sliding groove 24 are provided with a sliding rail along the length direction thereof, and the guiding sliding block is slidably connected with the adjacent sliding rail. Here, the guide slider and the slide rail are provided to limit the moving direction of the gear shaft of the second gear.

In another embodiment, as shown in fig. 1, the telescopic mechanism includes: two telescopic supports 27 which are oppositely arranged at the front side and the rear side of the objective table 8, wherein any telescopic support 27 is vertically arranged and is fixedly connected with the objective table 8 and the dark box 21; the cylinder 28 is arranged between the two telescopic supports 27, the cylinder 28 is vertically arranged, the cylinder body end of the cylinder 28 is connected with the dark box 21, the output end of the cylinder is connected with the object stage 8, and the cylinder 28 is connected with the computer 1 so as to control the cylinder to move through the computer and drive the telescopic supports to move up and down.

In another embodiment, as shown in fig. 1, in the hyperspectral imaging system, the illuminating lamp 7 is a 150w halogen lamp.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. The hyperspectral imaging system comprises a computer and a camera bellows and is characterized in that a hyperspectral imager is arranged on one side in the camera bellows, an optical lens is arranged on one side of the hyperspectral imager, the bottom of the hyperspectral imager is installed on an electric holder, the electric holder is fixedly arranged in the camera bellows through a support column, and an illuminating lamp is arranged above the hyperspectral imager; and an object stage is arranged on the other opposite side in the dark box, is horizontally arranged and is fixedly arranged in the dark box through a vertically arranged telescopic mechanism.

2. The hyperspectral imaging system according to claim 1, wherein the top surface of the object stage is provided with a turnover mechanism, the turnover mechanism comprises two mounting plates which are respectively arranged at the front side and the rear side of the object stage and are oppositely arranged; the first rotating shaft is horizontally arranged between the two mounting plates and is in rotating connection with one of the mounting plates, and a first sucking disc is fixedly arranged at the free end of the first rotating shaft; the second pivot, its level is located between two mounting panels, and with the coaxial setting of first pivot, another mounting panel is worn out and is rotated by the actuating mechanism drive to the one end of second pivot, and the other end has set firmly the second sucking disc.

3. The hyperspectral imaging system of claim 2, wherein the second rotating shaft comprises an inner shaft and an outer shaft, the inner shaft is inserted into the outer shaft, the side wall of the inner shaft is in spline connection with the inner wall of the outer shaft, and the bottom of the inner shaft is connected with the inner bottom of the outer shaft through a first elastic element.

4. The hyperspectral imaging system of claim 2, wherein the drive mechanism comprises: the first gear is fixedly sleeved at one end of the second rotating shaft, which penetrates out of the other mounting plate; the second gear is arranged outside the camera bellows and is driven to rotate by the hand lever; a chain connecting the first gear and the second gear; wherein, the dark box is fixedly provided with a dark box outside, one side of the dark box close to the dark box is communicated with the dark box, the front side wall of the dark box is horizontally provided with a strip-shaped square hole, the front inner side wall and the back inner side wall of the dark box are respectively and fixedly provided with a chute board, the two chute boards are horizontally arranged and are positioned at the same height with the strip-shaped square hole, the two opposite side walls of the two chute boards are provided with chutes, and the right end of the chute close to the front inner wall of the dark box is communicated with the strip-shaped square hole, the left end of any spout is equipped with the second elastic component admittedly, the rear end of the gear shaft of second gear stretches into and is close to in the spout on the back inner wall of magazine, and with second elastic component butt, the front end is through being close to spout on the preceding inner wall of magazine with the bar square hole is worn out the magazine with hand pole is connected, just the front end of the gear shaft of second gear also with second elastic component butt.

5. The hyperspectral imaging system according to claim 4, wherein a connecting ring is fixedly arranged at the right end of the second elastic part, and two ends of a gear shaft of the second gear respectively extend into the connecting ring and are rotatably connected with the connecting ring.

6. The hyperspectral imaging system according to claim 5, wherein guide sliding blocks are fixedly arranged at the top and the bottom of the connecting ring, sliding rails are arranged on the top surface and the bottom surface of the sliding chute along the length direction of the sliding chute, and the guide sliding blocks are in sliding clamping connection with the adjacent sliding rails.

7. The hyperspectral imaging system of claim 1, wherein the telescoping mechanism comprises: the two telescopic supports are oppositely arranged on the front side and the rear side of the objective table, and any one of the telescopic supports is vertically arranged and is fixedly connected with the objective table and the camera bellows; the cylinder is arranged between the two telescopic supports and is vertically arranged, the cylinder body end of the cylinder is connected with the camera bellows, and the output end of the cylinder is connected with the objective table.

8. The hyperspectral imaging system of claim 1, wherein the illumination lamp is a 150w halogen lamp.