CN218721050U - Compact guiding type detection light source - Google Patents
Compact guiding type detection light source Download PDFInfo
- Publication number
- CN218721050U CN218721050U CN202223090698.XU CN202223090698U CN218721050U CN 218721050 U CN218721050 U CN 218721050U CN 202223090698 U CN202223090698 U CN 202223090698U CN 218721050 U CN218721050 U CN 218721050U
- Authority
- CN
- China
- Prior art keywords
- light source
- light
- guide plate
- light guide
- nanometer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to the technical field of detection equipment, in particular to a compact guiding type detection light source, which comprises a cover body; the light-emitting side of each light source board is linearly distributed with a plurality of lamp beads, and the light-emitting sides of the light source boards are distributed in a sunken arc shape; a plurality of nanometer light guide plate one-to-one sets up the luminous side of light source board, it is a plurality of the lower extreme of nanometer light guide plate is arc distribution and keeps away from light source board sets up, the transmitted light of lamp pearl is followedThe upper end of the light guide plate enters and is ejected from the lower end ， The arc-shaped concave direction of the lower ends of the plurality of nanometer light guide plates is consistent with the arc-shaped concave direction of the light emitting sides of the plurality of light source plates. The utility model provides a compact formula detection light source that leads can solve current multi-angle distribution effectively and spotlight's light source structure volume is great again, can't adapt to the problem to the narrow limited detection ring border in space.
Description
Technical Field
The utility model relates to a check out test set technical field, concretely relates to compact formula detection light source that leads.
Background
The line light source is used for irradiation and detection of various defects of a mobile phone screen, PCB surface detection and the like, and in order to solve the problems that light of a common line light source is not concentrated too much, the light condensation effect is poor, and the brightness is not enough, the light source structure of light source multi-angle distribution re-condensation is designed and applied.
The light source structure of spotlight again of current multi-angle distribution, every light source encloses into independent light source passageway through the metal sheet, carries out the spotlight through the light that passes through the passageway again, because the relative volume of the light source passageway that every encloses alone is great, leads to the light source when multi-angle aggregate erection, and the complete machine is bulky, can't adapt to the narrow limited detection environment in space.
SUMMERY OF THE UTILITY MODEL
Solves the technical problem
To the above-mentioned shortcoming that prior art exists, the utility model provides a compact formula of advancing detection light source can solve current multi-angle distribution light source structure volume of spotlight again effectively great, can't adapt to the problem to the narrow limited detection ring border in space.
Technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a compact guiding type detection light source, which comprises a cover body, a light source and a light source, wherein a mounting groove with an opening at the bottom is formed inside the cover body;
the light-emitting side of each light source board is linearly distributed with a plurality of lamp beads, and the light-emitting sides of the light source boards are distributed in a sunken arc shape and are arranged in the mounting grooves;
nanometer light guide plate, it is a plurality of nanometer light guide plate one-to-one sets up the luminous side of light source board, it is a plurality of the upper end of nanometer light guide plate is that the arc distributes and is close to and can cover light source board, it is a plurality of the lower extreme of nanometer light guide plate is that the arc distributes and keeps away from light source board sets up, the emitting light of lamp pearl is followed the upper end of light guide plate gets into and jets out from the lower extreme ， A plurality of the nanometer light guide platesThe arc sunken direction of lower extreme is unanimous with a plurality of the arc sunken direction of the luminous side of light source board.
And further, the LED light source also comprises a condensing lens, an arc-shaped opening is formed between the lower ends of the nanometer light guide plates, and the condensing lens is arranged at the arc-shaped opening.
Furthermore, the light-emitting angle of the lamp bead is 10-15 degrees, the main body of the nanometer light guide plate is of a rectangular plate structure, the side face close to the lamp bead is a light inlet face, the bottom face of the lower side of the nanometer light guide plate, which is parallel to the light inlet face, is a light outlet face, and the rest surface of the nanometer light guide plate is attached with a reflecting sheet.
Furthermore, the cover body comprises a mainboard with a C-shaped structure, side sealing plates are detachably connected to two sides of the mainboard, limiting grooves are formed in the inner side walls of the side sealing plates and radially distributed, and the side ends of the nanometer light guide plate can be matched and inserted in the limiting grooves.
Furthermore, the nanometer light guide plate main part is rectangular plate body structure, is pressing close to the side of lamp pearl is into the plain noodles, its downside parallel with the bottom surface of advancing the plain noodles is for going out the plain noodles, and the reflector plate has all been pasted to the remaining surface of nanometer light guide plate.
Further, the vertical distance between the upper end surface of the nanometer light guide plate and the lamp bead is smaller than 2mm.
Further, the nanometer light guide plate with lamp pearl centering sets up, and nanometer light guide plate both sides are stretched out the lamp pearl, the distance that stretches out is less than or equal to 1mm.
Advantageous effects
The utility model provides a technical scheme compares with known public technique, has following beneficial effect:
through the light guide part who regards nanometer light guide plate as the light source board in this product, through being close to the setting of lamp pearl with nanometer light guide plate, all light of lamp pearl get into the nanometer light guide plate that adopts special nanometer material, utilize the light scattering effect of the nanometer silica particle of distribution in the leaded light post in the nanometer leaded light material, the light is advanced to the nanometer light guide plate end, carry out the total reflection at the inner wall, contralateral another light-emitting terminal surface light-emitting, make nanometer light guide plate form the leaded light carrier, enclose the mode of independent light source passageway through the metal sheet among the prior art, nanometer light guide plate is whole comparatively frivolous, consequently, the size of whole testing light source structure has been dwindled greatly, can satisfy a plurality of light angles of advancing of LED lamp again, good line source detection effect has been guaranteed, can satisfy the needs of little space testing environment effectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a perspective view of the overall structure of the light source structure of the present invention;
FIG. 2 is an exploded view of the whole light source structure of the present invention;
FIG. 3 is a schematic view of the line light source principle formed by the light source structure of the present invention;
fig. 4 is a perspective view of the cover of the present invention;
the reference numerals in the drawings represent: 10. a cover body; 11. mounting grooves; 12. a main board; 13. a side sealing plate; 14. a limiting groove; 20. a light source plate; 21. a lamp bead; 30. a nano light guide plate; 31. a light inlet surface; 32. a light-emitting surface; 33. a reflective sheet; 40. a heat dissipation plate; 41. a connection plane; 50. a condenser lens; 60. an arc-shaped gap.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. 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.
The present invention will be further described with reference to the following examples.
The embodiment is as follows:
the utility model provides a compact formula of advancing detection light source, the product is mainly applied to and shines and detect all kinds of defect detection, PCB board surface detection etc. of cell-phone screen.
Referring to fig. 1-4, the side closure plates 12 on one side of the mask body 10 of fig. 1-4 are not shown. The main product structure of the device comprises a cover body 10, wherein a mounting groove 11 with a bottom opening is formed inside the cover body, and the cover body 10 mainly serves as a mounting carrier.
A plurality of light source boards 20, wherein a plurality of lamp beads 21 are linearly distributed on each light source board 20/pcb board, and the light source boards 20 are distributed in an arc shape and are arranged in the mounting groove 11; the light source plates 20 ensure a multi-angle light emitting basis, and ensure a line light source effect with stronger light and higher brightness after passing through the condensing lens 50.
The nanometer light guide plate 30 is used for being as the leaded light of light source board 20, and a plurality of nanometer light guide plates 30 one-to-one set up the downside at light source board 20, and the upper end of nanometer light guide plate 30 is close to and can covers light source board 20, and the arc sunken direction of a plurality of nanometer light guide plate 30 lower extremes is unanimous with the arc sunken direction of the luminous side of a plurality of light source boards 20, and its lower extreme is towards the centre of a circle that light source board 20 distributes the place circular arc. Wherein, preferably in this embodiment, the upside that adopts nanometer light guide plate 30 is infinitely close to lamp pearl 21 setting, sets up between its up end and the lamp pearl 21 vertical distance and is less than 2mm. The nanometer light guide plate 30 and the lamp bead 21 are arranged in a centering mode, the lamp bead 21 extends out of the two sides of the nanometer light guide plate, the extending distance is less than or equal to 1mm, light is guaranteed to be generated on the lamp bead and fully led out, and meanwhile the nanometer light guide plate 30 with the ultrathin size is the core for reducing the size of the detection structure
The light guide plate structure further comprises a condensing lens 50, an arc-shaped opening is formed between the lower ends of the nanometer light guide plates 30, and the condensing lens 50 is arranged at the arc-shaped opening. The cylindrical condensing lens 50 is used for condensing and emitting the uniform 'bar-shaped rectangular surface' light source led out by the nano light guide plate 30, and because of the distribution of the light source plate 20 and the nano light guide plate 30, the light source at multiple angles forms a bright line light source after being condensed and emitted for defect detection.
The light emitting angle of the lamp bead 21 selected in this embodiment is 10 to 15 degrees, the light is emitted at a small angle, and the remaining surface of the nanometer light guide plate 30 is attached to the reflecting sheet 33. Meanwhile, the main body of the nanometer light guide plate 30 is of a rectangular plate structure, the side face close to the lamp beads 21 is a light inlet face 31, the lower side of the nanometer light guide plate is parallel to the bottom face of the light inlet face 31 and is a light outlet face 32, all light rays of the lamp beads 21 enter the nanometer light guide plate 30, the light inlet end of the nanometer light guide plate 30 enters the light, total reflection is carried out on the inner wall, light is emitted from the other light outlet end face of the opposite side, the nanometer light guide plate 30 is simple in structure due to matching of the lamp beads 21, meanwhile, the light is fully utilized, and the utilization rate of the light is improved.
In addition, preferably, the reflective sheet 33 is attached to the remaining surface of the nano light guide plate 30, and the reflective sheet 33 is designed to reflect the light exposed from the other surface of the nano light guide plate 30 into the nano light guide plate 30, so as to further improve the conversion rate of the light usage rate and realize a brighter and uniform "bar-shaped rectangular surface" light source.
In addition, still include the heating panel 40, the heating panel 40 sets up the back of light source board for light source board 20 dispels the heat, the bottom of heating panel is the arc and distributes a plurality of connection plane 41, and the light source board passes through the heat conduction and glues to be fixed on connection plane 41.
Wherein, the cover body 10 in this embodiment is including the mainboard 12 that is C type structure, and the both sides of mainboard 12 are equipped with and can dismantle the side shrouding 13 that is connected with, are equipped with spacing groove 14 on the inside wall of side shrouding 13, and spacing groove 14 is radial distribution, and the side of nanometer light guide plate 30 can cooperate the grafting in spacing groove 14, pegs graft in spacing groove 14 through cooperating nanometer light guide plate 30, conveniently realizes the distribution of a plurality of nanometer light guide plates 30 in the cover body 10, fixed, has improved the packaging efficiency.
Through the light guide component who regards as light source board 20 with nanometer light guide plate 30 in this product, utilize nanometer light guide plate 30's photoconversion rate high, the even characteristics of light, through infinitely being close to nanometer light guide plate 30 lamp pearl 21 setting, and the cross-sectional dimension of design light guide plate slightly is greater than lamp pearl 21, overall structure is frivolous, consequently, the size of whole detection light source structure has been dwindled greatly, can satisfy a plurality of light angles of advancing of LED lamp again, good line source detection effect has been guaranteed, can satisfy the needs of little space detection environment effectively.
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, it should be understood by those skilled in the art 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.
Claims (9)
1. A compact, guided sensing light source, comprising:
a cover body in which a mounting groove with a bottom opening is formed;
the light-emitting side of each light source board is linearly distributed with a plurality of lamp beads, and the light-emitting sides of the light source boards are distributed in a sunken arc shape and are arranged in the mounting grooves;
nanometer light guide plate, it is a plurality of nanometer light guide plate one-to-one sets up the luminous side of light source board, it is a plurality of the upper end of nanometer light guide plate is that the arc distributes and is close to and can cover light source board, it is a plurality of the lower extreme of nanometer light guide plate is that the arc distributes and keeps away from light source board sets up, the emitting light of lamp pearl is followed the upper end of light guide plate gets into and jets out from the lower extreme ， The arc-shaped sunken direction of the lower end of the plurality of nanometer light guide plates is consistent with the arc-shaped sunken direction of the light emitting side of the plurality of light source plates.
2. The compact guiding detection light source as claimed in claim 1, further comprising a heat dissipation plate, wherein the heat dissipation plate is disposed on the back of the light source plate, a plurality of connection planes are distributed at the bottom of the heat dissipation plate in an arc shape, and the light source plate is fixed on the connection planes.
3. The compact guiding type detection light source of claim 1, further comprising a condensing lens, wherein an arc-shaped gap is formed between the lower ends of the plurality of nanometer light guide plates, and the condensing lens is disposed at the arc-shaped gap.
4. The compact guiding type detection light source as claimed in claim 1, wherein the cover body comprises a main board having a C-shaped structure, and side sealing plates are detachably connected to two sides of the main board.
5. The compact guiding type detection light source as claimed in claim 4, wherein the inner sidewall of the side sealing plate is provided with a plurality of limiting grooves, the limiting grooves are radially distributed, and the side ends of the nano light guide plate can be inserted into the limiting grooves.
6. The compact guided detection light source of claim 1, wherein the light emitting angle of the lamp bead is 10-15 °.
7. The compact guiding type detection light source as claimed in claim 1, wherein the main body of the nanometer light guide plate is a rectangular plate, the side surface close to the lamp bead is a light inlet surface, the bottom surface of the nanometer light guide plate parallel to the light inlet surface is a light outlet surface, and the remaining surface of the nanometer light guide plate is adhered with a reflective sheet.
8. The compact guiding detection light source of claim 1, wherein a vertical distance between an upper end surface of the nano light guide plate and the lamp bead is less than 2mm.
9. The compact guiding type detection light source of claim 8, wherein the nanometer light guide plate is aligned with the lamp beads, and both sides of the nanometer light guide plate extend out of the lamp beads by a distance less than or equal to 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223090698.XU CN218721050U (en) | 2022-11-19 | 2022-11-19 | Compact guiding type detection light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223090698.XU CN218721050U (en) | 2022-11-19 | 2022-11-19 | Compact guiding type detection light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218721050U true CN218721050U (en) | 2023-03-24 |
Family
ID=85622895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223090698.XU Active CN218721050U (en) | 2022-11-19 | 2022-11-19 | Compact guiding type detection light source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218721050U (en) |
-
2022
- 2022-11-19 CN CN202223090698.XU patent/CN218721050U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201811096U (en) | Backlight module, LED device and lens thereof | |
| CN201568893U (en) | LED road lamp and lens thereof | |
| CN218721050U (en) | Compact guiding type detection light source | |
| CN204358586U (en) | A kind of novel new line display instrument and light-source system thereof | |
| CN206234626U (en) | A kind of ultra-thin area source LED surface mounted lights | |
| CN206410005U (en) | A LED lamp with simplified structure and light distribution | |
| CN103104843A (en) | Lighting device | |
| CN202791687U (en) | Backlight module | |
| CN101463988B (en) | A kind of LED flood light lamp | |
| KR200471995Y1 (en) | A led planar light source and flat luminaires and flat type led lamp | |
| CN101858507A (en) | Universal LED transmission illuminating lamp | |
| CN209296974U (en) | A kind of high luminance PS light guide plate | |
| CN209084568U (en) | A polarized wall washer anti-glare cover | |
| CN221146299U (en) | High-brightness annular shadowless light source device | |
| CN202158391U (en) | LED daylight lamp tube | |
| CN208705511U (en) | A kind of light guide module and television set | |
| CN201011423Y (en) | LED illuminating apparatus and its reflecting device | |
| CN206803027U (en) | A kind of LED light guide plates | |
| CN206582589U (en) | A kind of LED | |
| CN220523953U (en) | Light scattering lamp structure | |
| CN218938729U (en) | Backlight assembly of liquid crystal display screen | |
| CN114025155B (en) | Light source device and camera test system | |
| CN215722803U (en) | Curved surface scattering code reading lighting unit | |
| CN208350610U (en) | A Novel Light Box for Testing Diffusion | |
| CN218721132U (en) | Panel light convenient to installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |