CN213810215U - Side light source capable of emitting light from multiple sides - Google Patents

Side light source capable of emitting light from multiple sides Download PDF

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Publication number
CN213810215U
CN213810215U CN202022932441.9U CN202022932441U CN213810215U CN 213810215 U CN213810215 U CN 213810215U CN 202022932441 U CN202022932441 U CN 202022932441U CN 213810215 U CN213810215 U CN 213810215U
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China
Prior art keywords
light
light guide
guide plate
diffuser
plate
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CN202022932441.9U
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Chinese (zh)
Inventor
王晶晶
谢晓谦
何红华
周永宾
钟伟明
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Dongguan Ruishi Optoelectronics Technology Co Ltd
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Dongguan Ruishi Optoelectronics Technology Co Ltd
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Abstract

The utility model provides a but side light guide source of multiaspect light-emitting, including illuminator, drain pan, with the diffusion board of drain pan cooperation equipment, set up the light guide plate between diffusion board and drain pan, be equipped with the diffuse reflection membrane between light guide plate and the diffusion board, be equipped with the reflector paper between light guide plate and the drain pan, the light guide plate is including going into plain noodles and play plain noodles, illuminator just sets up to going into plain noodles one side of light guide plate, the face that the light guide plate is relative with the diffusion board is the play plain noodles, the diffusion board includes horizontal diffusion board and is the first side diffusion board of L type with horizontal diffusion board. The utility model provides a side light source which can emit light from multiple sides, so that the same station can realize different detection functions; realize that the different products of multistation carry out visual inspection simultaneously, reduce machine space size and weight simultaneously to realize reduce cost, improve the practicality of light source and the visual inspection efficiency of equipment, and then provide market competition.

Description

Side light source capable of emitting light from multiple sides
Technical Field
The utility model relates to a machine vision illuminator detects technical field, in particular to but side light guide source of multiaspect light-emitting.
Background
In the field of detection technology of light-emitting devices, some samples with small size are detected, for example: bottle lid, lens, granule and medicine box etc. that have the shape have needs such as height detection, overall dimension detection, mar detection, foreign matter detection, and in the prior art, the illuminator that is used for to above-mentioned detection demand is the side light guide source of single face light-emitting. To carrying the traditional detection machine of the side light guide source of single face light-emitting, can only realize one kind on a station of light source and detect the function, perhaps the different products of multistation can not carry out visual inspection simultaneously, realize that multiple detection function then need carry a plurality of light sources, lead to occupation equipment space big to increased the size and the weight of equipment, and then increased equipment cost, simultaneously, the utilization efficiency of equipment is also not high.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a side light source capable of emitting light from multiple sides to improve the above problems.
In a first aspect, the utility model provides a but side leaded light source of multiaspect light-emitting, including illuminator, drain pan, with the diffusion board of drain pan cooperation equipment, set up in the diffusion board with light guide plate between the drain pan, the light guide plate with be equipped with the diffuse reflection membrane between the diffusion board, the light guide plate with be equipped with the reflection of light paper between the drain pan, the light guide plate is including going into plain noodles and play plain noodles, illuminator is just right the income plain noodles one side of light guide plate sets up, the light guide plate with the face that the diffusion board is relative does go out the plain noodles, the diffusion board include horizontal diffusion board and with horizontal diffusion board is the first side diffusion board of L type.
Preferably, the diffuse reflection film includes a first diffuse reflection film disposed between the light guide plate and the lateral diffusion plate, and a second diffuse reflection film disposed between the light guide plate and the first side diffusion plate.
More preferably, the bottom chassis includes a bottom surface opposite to the lateral diffusion plate, a first side surface opposite to the first side diffusion plate, and two second side surfaces connecting the first side diffusion plate and the first side surface.
Preferably, the diffuser plate still includes second side diffuser plate, the drain pan include with the relative bottom surface of horizontal diffuser plate, with the relative first side of first side diffuser plate, connect first side diffuser plate with the second side of first side, second side diffuser plate is connected first side diffuser plate with the opposite side of first side, the light guide plate with be equipped with the third diffuse reflection membrane between the second side diffuser plate.
Preferably, the diffuser plate still includes two relative second side diffuser plates, the drain pan include with the relative bottom surface of horizontal diffuser plate, with the relative first side of first side diffuser plate, two the second side diffuser plate is connected respectively first side diffuser plate with first side, the light guide plate with be equipped with the third diffuse reflection membrane between the second side diffuser plate.
Preferably, the light emitting device includes a fixing portion and a light source portion, the fixing portion is fixed on the bottom case, and the light source portion faces the light incident surface.
More preferably, the light emitting device is a light source circuit board.
Preferably, the side light guide source further comprises a power line and a power plug connected with one end of the power line, and the light-emitting device is connected with the other end of the power line.
More preferably, the lateral diffusion plate is integrally formed with the first side diffusion plate.
More preferably, the lateral diffusion plate is fixed to the bottom chassis by a cover plate.
The technical effects of the utility model are that: the utility model provides a side light source which can emit light from multiple sides, so that the same station can realize different detection functions, such as defect detection, thickness detection or size detection; the visual inspection of different products of multistation can also be realized, machine space size and weight are reduced simultaneously to realize reduce cost, improve the practicality of light source and the visual inspection efficiency of equipment, and then provide market competition.
Drawings
Fig. 1 is a schematic structural view of a side light source capable of emitting light from multiple sides according to an embodiment of the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is an exploded view in another orientation of FIG. 1;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 5 is an enlarged view at B in FIG. 4;
FIG. 6 is a schematic structural diagram of a bottom chassis and a diffusion plate in another embodiment;
FIG. 7 is a schematic view of the structure of FIG. 6 from another perspective;
fig. 8 is a schematic structural view of a bottom chassis and a diffusion plate in still another embodiment.
Reference numerals:
10. a light emitting device; 11. a fixed part; 12. a light source unit; 20. a bottom case; 21. a bottom surface; 22. a first side surface; 23. a second side surface; 30. a diffusion plate; 31. a lateral diffusion plate; 32. a first side diffuser plate; 33. a second side diffuser plate; 40. reflective paper; 50. a light guide plate; 51. a light incident surface; 52. a light-emitting surface; 60. a diffuse reflection film; 61. a first diffuse reflection film; 62. a second diffuse reflection film; 70. a power line; 80. a power plug; 90. cover plate
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
The utility model provides a but side light guide source of multiaspect light-emitting, as shown in fig. 1-5, including illuminator 10, drain pan 20, diffuser plate 30, reflection of light paper 40, light guide plate 50, diffuse reflection membrane 60, power cord 70, power plug 80, apron 90. The diffusion plate 30 is assembled with the bottom case 20 in a matching manner, the light guide plate 50 is disposed between the diffusion plate 30 and the bottom case 20, and the diffuse reflection film 60 is disposed between the light guide plate 50 and the diffuse reflection plate, so that light emission is more uniform. The reflective paper 40 is disposed between the light guide plate 50 and the bottom chassis 20, the light guide plate 50 includes a light incident surface 51 and a light emitting surface 52, the light emitting device 10 is disposed right opposite to the light incident surface 51 of the light guide plate 50, a surface of the light guide plate 50 opposite to the diffusion plate 30 is the light emitting surface 52, the diffusion plate 30 includes a transverse diffusion plate 31 and a first side diffusion plate 32 in an L shape with respect to the transverse diffusion plate 31, and light is emitted from the diffusion plate 30 to make the light more uniform, that is, in this embodiment, there are two light emitting surfaces 52, one light emitting surface is opposite to the transverse diffusion plate 31, and the other light emitting surface is opposite to the first side diffusion plate 32.
The light emitting device 10 includes a fixing portion 11 and a light source portion 12, the fixing portion 11 is fixed on the bottom case 20, the light source portion 12 faces the light incident surface 51 on the light guide plate 50, the light emitting device 10 is specifically a light source circuit board, the light source portion 12 is uniformly arranged lamp beads, in this embodiment, the light emitting device 10 is disposed between the light guide plate 50 and the first side surface 22, a side surface of the light guide plate 50 close to the first side surface 22 is the light incident surface 51, and a surface opposite to the first side diffusion plate 32 and a surface opposite to the transverse diffusion plate 31 are light emitting surfaces 52. The lamp beads on the light source circuit board emit light, penetrate through the light guide plate 50, form diffuse reflection to the diffuse reflection film 60, and penetrate through the diffusion plate 30 to form uniform light spots.
The bottom chassis 20 includes a bottom surface 21 opposite to the lateral diffusion plate 31, a first side surface 22 opposite to the first side diffusion plate 32, and two second side surfaces 23 connecting the first side diffusion plate 32 and the first side surface 22, and the bottom chassis 20 serves to protect internal structures.
The side light source further includes a power line 70, a power plug 80 connected to one end of the power line 70, the light emitting device 10 is connected to the other end of the power line 70, and the light emitting device 10 further includes a controller for controlling the light source to be turned on or off.
The diffusion plate 30 comprises a transverse diffusion plate 31 and a first side diffusion plate 32, wherein a first diffuse reflection film 61 is arranged between the light guide plate 50 and the transverse diffusion plate 31, a second diffuse reflection film 62 is arranged between the light guide plate 50 and the first side diffusion plate 32, the diffusion plate 30 is not only a diffusion plate with only one plane compared with a traditional side light source, the diffusion plate 30 comprising a plurality of planes is manufactured by matching the shape of the diffusion plate 30 with the light emitting surface 52, and the diffuse reflection film 60 between the light guide plate 50 and the light guide plate 50 is matched, so that the effect of multi-surface light emitting is achieved. 3D printing can be adopted, or thick materials are adopted for processing and polishing, so that the light emitting effect is better.
The lateral diffusion plate 31 is fixed to the bottom chassis 20, and the first side diffusion plate 32 is L-shaped and integrally formed with the lateral diffusion plate 31. Further, the lateral diffusion plate 31 is fixed to the bottom chassis 20 by a cover plate 90.
The reflective paper 40 is disposed between the bottom surface 21 and the light guide plate 50 to reflect the light source while increasing the brightness of the light source.
The light guide plate 50 includes a light incident surface 51 and a light emitting surface 52, the light source 12 of the light emitting device 10 is disposed opposite to the light incident surface 51 of the light guide plate 50, and the surface of the light guide plate 50 opposite to the diffusion plate 30 is the light emitting surface 52. The utility model discloses a light guide plate 50, the used light guide plate 50 of side light guide source that is different from traditional single face light-emitting, its play plain noodles 52 on light guide plate 50 is more than one, can through laser dotting on light guide plate 50, reaches every and goes out plain noodles 52 all even light-emitting, makes the junction of corner possible wiring clearly or evenly links up.
The diffuse reflection film 60 includes a first diffuse reflection film 61 and a second diffuse reflection film 62, the first diffuse reflection film 61 is disposed on one side close to the transverse diffusion plate 31, the second diffuse reflection film 62 is disposed between the light guide plate 50 and the first side diffusion plate 32, and the diffuse reflection film 60 is disposed on one side of the light emitting surface 52 of the light guide plate 50, so that the light emitted through the diffuse reflection film 60 is more uniform.
Example 2
The difference between this embodiment and embodiment 1 is that, as shown in fig. 6-7, the diffusion plate 30 further includes a second side diffusion plate 33, the bottom chassis 20 includes a bottom surface 21 opposite to the lateral diffusion plate 31, a first side surface 22 opposite to the first side diffusion plate 32, and a second side surface 23 connecting the first side diffusion plate 32 and one side of the first side surface 22, the second side diffusion plate 33 connects the other side of the first side diffusion plate 32 and the other side of the first side surface 22, a third diffuse reflection film (not shown in the figure) is disposed between the light guide plate and the second side diffusion plate 33, and in this embodiment, a plane of the light guide plate on a side close to the second side diffusion plate 33 is also a light-emitting surface.
Example 3
The difference between this embodiment and embodiment 1 is that, as shown in fig. 8, the diffusion plate 30 further includes two opposite second side diffusion plates 33, the bottom chassis 20 includes a bottom surface 21 opposite to the lateral diffusion plate 31 and a first side surface 22 opposite to the first side diffusion plate 32, the two second side diffusion plates 33 are respectively connected to the first side diffusion plate 32 and the first side surface 22, a third diffuse reflection film (not shown in the figure) is disposed between the light guide plate and the second side diffusion plates 33, and in this embodiment, two planes of the light guide plate on a side close to the second side diffusion plates 33 are also light-emitting surfaces.
In summary, the present invention provides a side light source capable of emitting light from multiple sides, so that different detection functions, such as defect detection, thickness detection, or size detection, can be realized at the same station; the visual inspection of different products of multistation can also be realized, machine space size and weight are reduced simultaneously to realize reduce cost, improve the practicality of light source and the visual inspection efficiency of equipment, and then provide market competition.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a but side leaded light source of multiaspect light-emitting, its characterized in that, including light emitting device, drain pan, with the diffusion board of drain pan cooperation equipment, set up in the diffusion board with light guide plate between the drain pan, the light guide plate with be equipped with the diffuse reflection membrane between the diffusion board, the light guide plate with be equipped with reflection of light paper between the drain pan, the light guide plate is including going into plain noodles and going out the plain noodles, light emitting device is just right the income plain noodles one side setting of light guide plate, the light guide plate with the face that the diffusion board is relative does go out the plain noodles, the diffusion board include horizontal diffusion board and with horizontal diffusion board is the first side diffusion board of L type.
2. The facetted light-emitting, side-conducting light source of claim 1, wherein the diffuse reflective film comprises a first diffuse reflective film disposed between the light guide plate and the lateral diffuser plate, and a second diffuse reflective film disposed between the light guide plate and the first side diffuser plate.
3. The facetted light-emitting side-guide light source of claim 2, wherein the bottom case comprises a bottom surface opposite the lateral diffuser plate, a first side surface opposite the first side diffuser plate, and two second side surfaces connecting the first side diffuser plate and the first side surface.
4. The light source of claim 2, wherein the diffuser further comprises a second side diffuser, the bottom housing comprises a bottom surface opposite to the lateral diffuser, a first side surface opposite to the first side diffuser, and a second side surface connecting the first side diffuser and the first side surface, the second side diffuser is connected to the first side diffuser and the other side of the first side surface, and a third diffuse reflection film is disposed between the light guide plate and the second side diffuser.
5. The light source of claim 2, wherein the diffuser further comprises two opposite second side diffusers, the bottom housing comprises a bottom surface opposite to the lateral diffuser and a first side surface opposite to the first side diffuser, the two second side diffusers are respectively connected to the first side diffuser and the first side surface, and a third diffuse reflection film is disposed between the light guide plate and the second side diffuser.
6. The light source of claim 1 or 2, wherein the light emitting device comprises a fixing portion and a light source portion, the fixing portion is fixed on the bottom case, and the light source portion faces the light incident surface.
7. The light extracting side-guide light source of claim 1, wherein the light emitting device is a light source circuit board.
8. The light emitting side-wall light source of claim 1, further comprising a power cord, a power plug connected to one end of the power cord, and a light emitting device connected to the other end of the power cord.
9. The faceable, side-lit light guide of claim 1, wherein the lateral diffuser plate is integrally formed with the first side diffuser plate.
10. The light extracting side-guide light source of claim 1, wherein the lateral diffusion plate is fixed to the bottom case by a cover plate.
CN202022932441.9U 2020-12-09 2020-12-09 Side light source capable of emitting light from multiple sides Active CN213810215U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022932441.9U CN213810215U (en) 2020-12-09 2020-12-09 Side light source capable of emitting light from multiple sides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022932441.9U CN213810215U (en) 2020-12-09 2020-12-09 Side light source capable of emitting light from multiple sides

Publications (1)

Publication Number Publication Date
CN213810215U true CN213810215U (en) 2021-07-27

Family

ID=76944812

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022932441.9U Active CN213810215U (en) 2020-12-09 2020-12-09 Side light source capable of emitting light from multiple sides

Country Status (1)

Country Link
CN (1) CN213810215U (en)

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