CN210166319U - Light source system for on-line light inspection machine - Google Patents
Light source system for on-line light inspection machine Download PDFInfo
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- CN210166319U CN210166319U CN201920730368.1U CN201920730368U CN210166319U CN 210166319 U CN210166319 U CN 210166319U CN 201920730368 U CN201920730368 U CN 201920730368U CN 210166319 U CN210166319 U CN 210166319U
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Abstract
The utility model discloses a light source system is examined to lamp for online machine is examined to lamp belongs to the machine equipment field of examining to the lamp, provides a can improve the light effect be used for online machine is examined to lamp and examines light source system, including front lamp house, back lamp house and bottom lamp house, form the transfer passage of lamp product of examining between front lamp house and the back lamp house, be provided with the detection window that runs through in the middle part of front lamp house, the position that corresponds with the detection window in the transfer passage is the detection station; the front lamp box, the back lamp box and the bottom lamp box are all surface light sources. A light source system is examined to lamp for machine is examined to online lamp, be provided with anterior lamp house, back lamp house and bottom lamp house simultaneously, consequently can shine simultaneously from three direction and be located the detection product that detects of detection station to through the illumination from back, front portion and the three direction in bottom, can improve illumination effect effectively, can satisfy the illumination requirement that detects to the liquid level.
Description
Technical Field
The utility model relates to a machine equipment field is examined to the lamp especially relates to a light source system is examined to lamp for machine is examined to online lamp.
Background
The lamp inspection machine is equipment for performing lamp inspection processing on products. When the light inspection machine performs light inspection processing, image information of a detected product is generally acquired through an image acquisition device, for example, a camera is used for photographing the detected product to obtain product image information; then, the image information is correspondingly processed to judge whether the product is qualified. In the process of collecting image information by the image collecting device, the light source is often required to be arranged in an auxiliary mode so as to improve the illumination effect of a detected product and further improve the definition and effectiveness of image collection.
At present, a light source for light inspection applied to a light inspection machine is generally a backlight source arranged on the back side of a detected product, that is, an image acquisition device and a light source are respectively positioned on two sides of the detected product; the light source arrangement can meet the illumination requirements of partial detection items, such as detection of suspended matters in liquid in transparent bottled liquid products. However, in the case of detecting the liquid level of the transparent bottled liquid product, the liquid level of the detected product often has bubbles, and the bubbles on the liquid level form a shadow similar to a floating object on the liquid level under backlight illumination, so that the illumination effect is not ideal only when the backlight is provided, and the illumination requirement for detecting the liquid level is difficult to meet.
In addition, the requirement on the uniformity of a lamp inspection light source of a lamp inspection machine is generally high, however, the conventional surface light source product is adopted in the existing surface light source, patch type LEDs are directly and uniformly laid on a back plate in the whole surface light source to serve as light emitting units, the light emitting units are seemingly uniformly distributed, but the actual situation often causes the light emitting surface of the whole surface light source to be in the situation that the brightness of the middle part is relatively high, and the brightness of the periphery is relatively low and dark, so that the actual illumination uniformity is poor. The reason is mainly because the light-emitting units are directly tiled, the irradiation direction of the patch type LED is directly and vertically directed to the panel of the surface light source, and although a certain scattering effect can be generated through the panel, the scattering effect of the panel is limited because the irradiation direction is vertically arranged.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a can improve the light source system is examined to lamp that is used for online lamp to examine machine of illumination effect.
The utility model provides a technical scheme that its technical problem adopted is: the light source system for the online light inspection machine comprises a front light box, a back light box and a bottom light box, wherein a conveying channel for inspecting products by the light is formed between the front light box and the back light box; the front lamp box, the back lamp box and the bottom lamp box are all surface light sources.
Further, the method comprises the following steps: the conveying channel is arc-shaped or linear.
Further, the method comprises the following steps: the area light source comprises a box body, the box body comprises a back plate, a panel and side plates, the side plates surround the edge between the back plate and the panel, a light-emitting unit is arranged in the box body, the panel is located on the box body and faces one side of the detection station, and the panel is a diffusion plate.
Further, the method comprises the following steps: the diffusion plate is an acrylic plate, and at least one side surface of the acrylic plate is a frosted surface.
Further, the method comprises the following steps: the light-emitting unit comprises at least one circle of main lamp strip arranged along the peripheral edge of the back plate; the main lamp belt is obliquely arranged relative to the panel, and the value range of the inclination angle theta is more than 0 and less than 90 degrees.
Further, the method comprises the following steps: the range of the inclination angle theta is more than 30 degrees and less than 60 degrees.
Further, the method comprises the following steps: the main lamp strip is provided with at least two rings, the main lamp strips of different rings are sequentially arranged from one side of the back plate to one side of the panel layer by layer, and the values of the inclination angles theta of the main lamp strips of different rings are different.
Further, the method comprises the following steps: the inclination angle theta of the main lamp strip closer to the panel side is smaller.
Further, the method comprises the following steps: the main lamp strip is a patch type LED lamp strip.
Further, the method comprises the following steps: a layer of white reflecting plate is arranged on the surface of the back plate facing the interior of the box body; the light-emitting unit further comprises at least one circle of auxiliary lamp strips arranged on the inner surface of the side plate.
The utility model has the advantages that: a light source system is examined to lamp for machine is examined to online lamp, be provided with anterior lamp house, back lamp house and bottom lamp house simultaneously, consequently can shine simultaneously from three direction and be located the detection product that detects of detection station to through the illumination from back, front portion and the three direction in bottom, can improve illumination effect effectively, and can satisfy the illumination requirement that detects to the liquid level. Meanwhile, the detection window is ingeniously and directly arranged on the front lamp box, so that the acquisition direction of the image acquisition device is not influenced, and the purpose of providing illumination for the front side of a detected product is realized. Meanwhile, the requirement of online conveying of the detected product is met by arranging the conveying channel, so that the illumination requirement when the online conveying product is subjected to lamp inspection processing can be met, and the online lamp inspection machine can be suitable for the online lamp inspection machine. In addition, each light source light-emitting unit in the surface light source adopts a looped main lamp strip arranged along the peripheral edge of the back plate and has a certain inclination angle; such setting has avoided the direct condition of facing the panel perpendicularly of illumination unit on the one hand, can improve the panel to irradiant scattering effect, and the inhomogeneous condition of illumination when having avoided direct tiling to set up the light-emitting unit on the backplate then on the other hand, and then further improves the illumination homogeneity of area source. In addition, a white reflecting plate is further arranged on the surface inside the back plate, so that the reflecting effect can be further improved, the diffuse reflection effect of light rays inside the lamp box is enhanced, and the uniformity of illumination is further improved. In addition, at least two circles of main lamp belts are further arranged, and different inclination angles are adopted, so that the illumination conditions of the lamp belts facing different directions can be further improved; and the inclination angle theta of the main lamp strip closer to the panel side is smaller, so that the illumination coverage area of all the main lamp strips towards the panel can be further improved, and the illumination uniformity is further improved. In addition, through setting up the supplementary lamp area, can further improve the inside illumination scattering condition of lamp house, further improve illumination homogeneity.
Drawings
Fig. 1 is a schematic perspective view of a light source system for an online light inspection machine according to the present invention, and a conveying passage of the system is linear;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a cross-sectional view of section A-A of FIG. 2;
FIG. 4 is a schematic view of the internal structure of the back light box;
FIG. 5 is a schematic view of the internal structure of the front light box;
FIG. 6 is a schematic view of the internal structure of the bottom lamp box;
FIG. 7 is a cross-sectional view of section B-B of FIG. 4;
fig. 8 is a schematic view when three turns of the main light strip are provided;
fig. 9 is a schematic perspective view of a light source system for an online light inspection machine according to the present invention, wherein the conveying path is curved;
labeled as: the device comprises a front lamp box 1, a back lamp box 2, a bottom lamp box 3, a conveying channel 4, a detection window 5, an image acquisition device 6, a box body 7, a back plate 71, a panel 72, a side plate 73, a main lamp strip 8, a reflector 9 and an auxiliary lamp strip 10.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 to 8, the light source system for lamp inspection of the online lamp inspection machine of the present invention includes a front lamp box 1, a back lamp box 2 and a bottom lamp box 3, a conveying channel 4 for inspecting the product is formed between the front lamp box 1 and the back lamp box 2, a through detection window 5 is arranged in the middle of the front lamp box 1, and a position corresponding to the detection window 5 in the conveying channel 4 is a detection station; the front lamp box 1, the back lamp box 2 and the bottom lamp box 3 are all surface light sources.
Wherein, the machine is examined to online lamp that indicates, indicate this machine is examined to lamp to the product of online transport and examine the processing, for this reason, the light examine light source system in be provided with transfer passage 4, this transfer passage 4 is the passageway of being carried on line for the product that is detected. When the detected product is conveyed along the conveying line, the detected product enters the conveying channel 4 of the utility model and then is subjected to image acquisition processing; when a detected product is conveyed to the position of the detection station, the image information of the product is collected through the corresponding image collecting device 6, and meanwhile, the detected product can be just irradiated by the front light box 1, the back light box 2 and the bottom light box 3 at the same time due to the fact that the detection station is located in the light source detection system, so that the illumination effect of the detected product is ensured.
The utility model discloses in the required light passage of image information that the detection window 5 that sets up on front lamp house 1 is detected the product for being used for supplying image acquisition device 6 to gather, image acquisition device 6 is for being located the image information that is detected the product that detects the station through detection window 5 collection promptly. In this way, the installation position requirement of the image capturing device 6 is satisfied. Without loss of generality, at the corresponding position of the detection window 5, a corresponding side plate 73 should also be arranged between the back plate 71 and the face plate 72, as shown in fig. 3.
Without loss of generality, the utility model provides a front portion lamp house 1, back lamp house 2 and bottom lamp house 3 are for corresponding front side illumination, dorsal part illumination and the bottom side illumination that is detected the product respectively. The utility model discloses well each lamp house all adopts the area source, can guarantee the illumination homogeneity of each lamp house to a certain extent, and then ensures finally to being detected the illumination effect of product.
For example, the utility model provides a surface light source specifically includes box 7, box 7 includes backplate 71, panel 72 and curb plate 73, curb plate 73 is around setting up between the border of backplate 71 and panel 72, is provided with the luminescence unit in box 7, panel 72 is located box 7 towards detection station one side, panel 72 is the diffuser plate. In this way, the diffuser plate can provide a certain heat dissipation effect on the light emitted from the light emitting unit, thereby improving the uniformity of the light emitted from the panel 72. Specifically, the utility model discloses in further preferred setting the diffuser plate that panel 72 adopted is the ya keli board to at least one side surface that further sets up the ya keli board sets up to the frosting, further improves luminous diffuse reflection effect through the frosting.
In addition, theoretically, each lamp box of the utility model can adopt the conventional area light source lamp box product on the market at present. However, as described in the background art, in the conventional surface light source lamp box product on the market, the patch type LEDs are directly and uniformly laid on the back plate inside the whole surface light source as the light emitting units, so that the illumination may be not uniform in practice. Therefore, the utility model further provides a surface light source lamp box product with different results from the prior surface light source lamp box product; specifically, area source lamp house product for on the basis that above-mentioned area source includes box 7 and luminescence unit, through changing luminescence unit arrange position and installation angle isoparametric, specifically do: the light-emitting unit comprises at least one circle of main lamp strip 8 arranged along the peripheral edge of the back plate 71; the main lamp strip 8 is obliquely arranged relative to the panel 72, and the value range of the inclination angle theta is more than 0 and less than 90 degrees. The lamp strip 8 is a strip-shaped product formed by sequentially arranging a plurality of patch-type LED light-emitting units. That is, in the present invention, on one hand, the main light strip 8 is arranged along the periphery of the outer peripheral edge of the back plate 71 to form a circle of light strip structure, as shown in fig. 4 to 6, such arrangement avoids the situation that the light strip is directly laid on the inner surface of the back plate 71; on the other hand, the main light strip 8 is obliquely arranged, as shown in fig. 7, so that the advantage that the front direction of the light generated by the main light strip 8 is obliquely oriented to the panel 72 can be achieved, the radiation area of the light can be increased, the diffuse reflection effect of the panel can be improved, and part of the light of the main light strip 8 can be further reflected diffusely by the inner surface of the back plate 71 and then projected more uniformly to the panel 72.
The specific position of the inclination angle θ in the present invention can refer to the included angle between the light-emitting side surface of the main light band 8 and the surface of the panel 72 as shown in fig. 7.
In addition, set up the structure setting of main lamp area 8 for becoming the round in the utility model to it is the circular shape of round whole circle structure not to restrict main lamp area 8, as shown in referring to fig. 4 to fig. 6, the accessible sets up respectively at upper and lower, left and right four sides and encloses after closing and form roughly "the circle form" structure and form.
More specifically, the value range of the inclination angle theta is preferably set to be more than 30 degrees and less than 60 degrees, so that the illumination uniformity is more favorably realized; the inclination angle θ may be set to 45 °, for example.
In addition, as shown in the reference of fig. 8, the utility model discloses in further preferred main lamp area 8 be provided with two at least circles to further preferred main lamp area 8 that sets up different circles sets gradually from backplate 71 one side to panel 72 one side successive layer, and the value of the inclination theta of the main lamp area 8 of different circles is different. The advantage of this arrangement is that the coverage area of the main light strip 8 towards the panel 72 can be increased by different main light strips 8 and different angles of inclination thereof, to further increase the uniformity of the illumination.
In addition, under the above-mentioned condition that is provided with two at least circles of main lamp area 8, in the utility model discloses in further preferably setting up different circles of main lamp area 8, the inclination theta that is closer to the main lamp area 8 of panel 72 side more is littleer. In this way, the main light strips 8 of different circles can be distributed in a substantially outward convex distribution structure, as shown in fig. 8, and then the front direction of the illumination of each circle of main light strips 8 can be outward extended in a radial shape, so that the coverage area of the main light strips 8 toward the panel 72 can be further increased, and the illumination effect can be further enhanced.
For example, taking fig. 8 as an example, three circles of main light strips 8 are provided, and the three circles of main light strips 8 are respectively arranged in an inclined manner with respect to the panel 72, and the respective inclined angles are respectively θ 1, θ 2 and θ 3 as shown in the drawing; and specifically, the theta 1 is more than the theta 2 and less than the theta 3, if the theta 1 can be respectively set to be 45 degrees, the theta 2 can be set to be 60 degrees, and the theta 3 can be set to be 75 degrees.
In addition, the utility model further comprises at least one circle of auxiliary lamp strip 10 arranged on the inner surface of the side plate 73; the auxiliary light strip 10 is directly mounted on the inner surface of the side plate 73, and the auxiliary light strip 10 is in a vertical state with respect to the panel 72 as seen from the positional relationship of the side plate 73 and the panel 72, as shown in fig. 7 and 8. The effect that sets up supplementary lamp area 10 can further improve the inside illumination scattering condition of lamp house, for example the partial illumination of supplementary lamp area 10 can be towards the inside surface of backplate 71, through the further diffuse reflection of the inside surface of backplate 71 after to panel 72 to this further improves illumination homogeneity.
In addition, the utility model provides an inside surface of backplate 71 is owing to need not to install the luminescence unit, so it can act on diffuse reflection and use to further improve the inside illumination dispersion effect of lamp house. Therefore, the utility model discloses in further be provided with one deck white reflector 9 towards the inside surface of box 7 on backplate 71 to can further preferably set up the surface of this white reflector 9 and be the frosting, with further its diffuse reflection effect that improves.
In addition, referring to fig. 9, the conveying channel 4 of the present invention can be set in an arc shape, and the corresponding front light box 1, back light box 2 and bottom light box 3 should be changed in shape to adapt to the corresponding front light box, back light box and bottom light box, in which case the inclination angle θ of the main light strip 8 should be the angle formed by the tangent plane of the corresponding position of the main light strip 8 on the panel 72.
Claims (10)
1. A light source system is examined to lamp for machine is examined to online lamp, its characterized in that: the light source system comprises a front light box (1), a back light box (2) and a bottom light box (3), a conveying channel (4) for lamp detection products is formed between the front light box (1) and the back light box (2), a penetrating detection window (5) is arranged in the middle of the front light box (1), and a detection station is arranged in the conveying channel (4) at a position corresponding to the detection window (5); the front lamp box (1), the back lamp box (2) and the bottom lamp box (3) are all surface light sources.
2. A lamp-inspection light source system for an online lamp-inspection machine according to claim 1, wherein: the conveying channel (4) is arc-shaped or linear.
3. A lamp-inspection light source system for an online lamp-inspection machine according to claim 1, wherein: the area light source comprises a box body (7), the box body (7) comprises a back plate (71), a panel (72) and a side plate (73), the side plate (73) surrounds the edge between the back plate (71) and the panel (72), a light emitting unit is arranged in the box body (7), the panel (72) is located on the box body (7) and faces one side of a detection station, and the panel (72) is a diffusion plate.
4. A lamp-inspection light source system for an online lamp-inspection machine according to claim 3, wherein: the diffusion plate is an acrylic plate, and at least one side surface of the acrylic plate is a frosted surface.
5. A lamp-inspection light source system for an online lamp-inspection machine according to claim 3, wherein: the light-emitting unit comprises at least one circle of main lamp strip (8) arranged along the peripheral edge of the back plate (71); the main lamp strip (8) is obliquely arranged relative to the panel (72), and the value range of the oblique angle theta is more than 0 and less than 90 degrees.
6. A lamp-inspection light source system for an online lamp-inspection machine according to claim 5, wherein: the range of the inclination angle theta is more than 30 degrees and less than 60 degrees.
7. A lamp-inspection light source system for an online lamp-inspection machine according to claim 5, wherein: the main lamp strip (8) is provided with at least two rings, the main lamp strips (8) of different rings are sequentially arranged from one side of the back plate (71) to one side of the panel (72) layer by layer, and the values of the inclination angles theta of the main lamp strips (8) of different rings are different.
8. A lamp-inspection light source system for an online lamp-inspection machine according to claim 7, wherein: the inclination angle theta of the main lamp strip (8) on the side closer to the panel (72) is smaller.
9. A lamp-inspection light source system for an online lamp-inspection machine according to claim 5, wherein: the main lamp strip (8) is a patch type LED lamp strip.
10. A lamp-inspection light source system for an online lamp-inspection machine according to any one of claims 3 to 9, wherein: a layer of white reflecting plate (9) is arranged on the surface of the back plate (71) facing the interior of the box body (7); the lighting unit further comprises at least one ring of auxiliary light strips (10) arranged on the inner surface of the side plate (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730368.1U CN210166319U (en) | 2019-05-21 | 2019-05-21 | Light source system for on-line light inspection machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920730368.1U CN210166319U (en) | 2019-05-21 | 2019-05-21 | Light source system for on-line light inspection machine |
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| CN210166319U true CN210166319U (en) | 2020-03-20 |
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| CN201920730368.1U Active CN210166319U (en) | 2019-05-21 | 2019-05-21 | Light source system for on-line light inspection machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960056A (en) * | 2021-10-18 | 2022-01-21 | 成都泓睿科技有限责任公司 | Soft bag lamp inspection method and lamp inspection machine |
| CN113960057A (en) * | 2021-10-18 | 2022-01-21 | 成都泓睿科技有限责任公司 | Soft bag edge foreign matter detection method and light inspection machine |
-
2019
- 2019-05-21 CN CN201920730368.1U patent/CN210166319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113960056A (en) * | 2021-10-18 | 2022-01-21 | 成都泓睿科技有限责任公司 | Soft bag lamp inspection method and lamp inspection machine |
| CN113960057A (en) * | 2021-10-18 | 2022-01-21 | 成都泓睿科技有限责任公司 | Soft bag edge foreign matter detection method and light inspection machine |
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