CN211698536U - Area light source with side image capture - Google Patents
Area light source with side image capture Download PDFInfo
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- CN211698536U CN211698536U CN202020315063.7U CN202020315063U CN211698536U CN 211698536 U CN211698536 U CN 211698536U CN 202020315063 U CN202020315063 U CN 202020315063U CN 211698536 U CN211698536 U CN 211698536U
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- light source
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- reflection
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- 230000000903 blocking effect Effects 0.000 claims description 21
- 238000009792 diffusion process Methods 0.000 claims description 15
- 239000011324 bead Substances 0.000 claims description 8
- 238000005286 illumination Methods 0.000 claims 1
- 238000003384 imaging method Methods 0.000 claims 1
- 230000003760 hair shine Effects 0.000 abstract description 2
- 239000011049 pearl Substances 0.000 abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 210000003934 vacuole Anatomy 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a surface light source of getting for instance in side, including the light source casing, and this light source casing's inside vacuole formation, be provided with the LED lamp plate in this cavity, the LED lamp plate includes lamp plate first surface and lamp plate second surface, and lamp plate first surface and lamp plate second surface are parallel to each other, and lamp plate first surface is provided with a plurality of LED lamp pearls, and a plurality of LED lamp pearls are arranged on the plane. The utility model discloses LED lamp pearl through on the LED lamp plate is polished when using, and the reflection of light on waiting to detect article shines through first reflection via hole and reflects away to the camera department that is used for detecting again on the reflector that is certain contained angle with first reflection via hole, the principle of specular reflection has been utilized, because it comes from the reverberation to detect required light, compared with the prior art, make the camera that is used for detecting needn't arrange along the direction of arranging of article, and can arrange in corresponding suitable position in a flexible way, it is all more convenient to settle and use.
Description
Technical Field
The utility model relates to a light source technical field, in particular to area source that side was got for instance.
Background
Optics is widely used in various fields of industry, such as industrial inspection and the like. When current trompil area source used, light source camera lens arrange in alignment to need arrange along the direction of arranging of being detected article, and because the restriction in equipment space in the use, can cause to interfere seriously, the unable condition of installing and setting, inconvenient use.
SUMMERY OF THE UTILITY MODEL
In view of above-mentioned current light source in the use because the restriction in equipment space can cause to interfere seriously, the condition of unable installation and setting, the problem of inconvenient use, the utility model provides a surface light source that the side was got for instance, its technical scheme is as follows:
a surface light source with side image capture comprises a light source shell, wherein a cavity is formed inside the light source shell, an LED lamp panel is arranged in the cavity and comprises a first lamp panel surface and a second lamp panel surface which are parallel to each other, a plurality of LED lamp beads are arranged on the first lamp panel surface and are arranged in a plane shape, an irradiation window for irradiation light to pass through is arranged on one side of the first lamp panel surface on the light source shell, a first reflection through hole is formed in the center of the LED lamp panel, and the central axis of the first reflection through hole is perpendicular to the plane where the LED lamp beads are arranged;
still include the reflector, the reflector is located lamp plate second surface one side, the mirror surface orientation of reflector first reflection via hole, just first reflection via hole uses self axis as the projection line projection on the mirror surface falls into completely in the mirror surface within range, the mirror surface of reflector with the axis of first reflection via hole is 0-90 contained angle.
Further, a shell bottom plate is arranged on one side, located on the second surface of the lamp panel, of the light source shell, a second reflection through hole is formed in the shell bottom plate, and the second reflection through hole and the first reflection through hole share a central axis;
the casing bottom plate is including being close to the bottom plate first surface of LED lamp plate and keeping away from the bottom plate second surface of LED lamp plate, just bottom plate first surface and bottom plate second surface are parallel to each other, the reflector is located bottom plate second surface one side, just the reflector is fixed to be set up or is not fixed to be set up the bottom plate second surface.
Furthermore, the reflector is a plane reflector, and the reflecting mirror surface of the reflector and the central axis of the second reflecting via hole form an included angle of 45 degrees.
Further, the mirror is fixedly disposed to the second surface of the base plate.
Further, a light blocking case for blocking light leakage from the reflective mirror is disposed on the second surface of the base plate.
Further, the reflector is rectangular, and the light blocking housing includes four light blocking plates each having a rectangular shape, the four light blocking plates enclose a rectangular parallelepiped and are respectively four faces of the rectangular parallelepiped, which are connected to each other, and a mirror face of the reflector faces a face which is vacant above the rectangular parallelepiped.
Further, shine the windowing department and be provided with the diffuser plate, be provided with the third on the diffuser plate and reflect the via hole, just the third reflect the via hole with first reflects the via hole and is the axis altogether.
Further, the light source casing includes the frame, just frame, LED lamp plate, casing bottom plate and diffusion board are the rectangle, diffusion board and casing bottom plate are located respectively the both ends of frame to enclose into the cavity of cuboid form jointly, the LED lamp plate is located in the cavity.
Further, the first reflective via hole, the second reflective via hole, and the third reflective via hole are all circular.
Further, still include barrel in the cylindric light source, the internal diameter of barrel in the light source with the internal diameter that second reflection via hole and third reflection via hole is the same, the external diameter of barrel in the light source with the internal diameter of first reflection via hole is the same, just the barrel passes in the light source first reflection via hole, the terminal surface of barrel conflicts respectively in the light source the surface of diffusion board and casing bottom plate.
Has the advantages that: the utility model discloses the design is novel, reasonable in design, and convenient to use, the utility model discloses LED lamp pearl through on the LED lamp plate is polished when using, and the reflection of light on waiting to detect article shines through first reflection via hole and reflects away to the camera department that is used for detecting again on the reflector that is certain contained angle with first reflection via hole, the principle of specular reflection has been utilized, because it comes from the reverberation to detect required light, for prior art, make the camera that is used for detecting needn't arrange along the direction of arranging of article, and can arrange in corresponding suitable position in a flexible way, it is all more convenient to settle and use.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the present invention.
Fig. 3 is an exploded schematic view of an embodiment of the present invention.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
referring to fig. 1 to 3, a surface light source for side image capture includes a light source housing 1, and a cavity is formed inside the light source housing 1, an LED lamp panel 2 is disposed in the cavity, the LED lamp panel 2 includes a first lamp panel surface and a second lamp panel surface, the first lamp panel surface and the second lamp panel surface are parallel to each other, the first lamp panel surface is provided with a plurality of LED lamp beads, and the plurality of LED lamp beads are arranged in a plane shape, an irradiation window for passing irradiation light is disposed on one side of the first lamp panel surface on the light source housing 1, a first reflection via hole 2a is disposed in the center of the LED lamp panel 2, and a central axis of the first reflection via hole 2a is perpendicular to a plane where the LED lamp beads are arranged; still include reflector 3, reflector 3 is located lamp plate second surface one side, and reflector 3's mirror surface is towards first reflection via hole 2a, and first reflection via hole 2a uses self axis as the projection line, and the projection on the mirror surface falls into the mirror surface within range completely, and reflector 3's mirror surface is 0-90 contained angle with the axis of first reflection via hole 2 a.
The utility model discloses an among the basic scheme, when specifically using, through the luminous irradiation of LED lamp pearl on the LED lamp plate 2, light is beaten to being detected the object, and the light rethread first reflection via hole 2a that reflects back from the object enters into the camera the inside that is used for detecting after reflector 3 carries out the specular reflection, so just realized detecting. Compared with the prior art, the reflection principle of light is utilized, so that the arrangement of the camera is not limited any more and is more flexible, the setting position of the camera is more flexible and convenient, and the use is more flexible and convenient.
Specifically, the basic scheme is further optimized, a housing bottom plate 1a is arranged on one side, located on the second surface of the lamp panel, of the light source housing 1, a second reflection through hole 1aa is arranged on the housing bottom plate 1a, and the second reflection through hole 1aa and the first reflection through hole 2a share a central axis; the casing bottom plate 1a includes the bottom plate first surface that is close to LED lamp plate 2 and keeps away from LED lamp plate 2's bottom plate second surface 1ab, and bottom plate first surface and bottom plate second surface 1ab are parallel to each other, and reflector 3 is located bottom plate second surface 1ab one side, and reflector 3 fixed setting or unfixed setting to bottom plate second surface 1 ab. In the optimized scheme, the shell bottom plate 1a is arranged to play a role of protecting the shell, and meanwhile, a second reflection through hole 1aa is arranged for forming a smooth light path. The reflective mirror 3 is disposed to reflect light passing through the first and second reflective via holes 1aa and 2a, and is disposed without a certain connection relationship with the housing bottom plate 1 a.
Specifically, the above scheme is further optimized, the reflective mirror 3 is a planar reflective mirror, and an included angle of 45 degrees is formed between the reflective mirror surface of the reflective mirror 3 and the central axis of the second reflective via hole 1 aa. In the preferred scheme, the reflector 3 is a plane reflector, the set angle is 45 degrees, and the preferred technical scheme is a specific optimized technical scheme on a structure body, and accordingly the setting direction and the position of the camera are fixed.
Specifically, further optimized in the above-described aspect, the mirror 3 is fixedly provided to the chassis second surface 1 ab. In the preferred scheme, specific arrangement positions and forms of the reflectors 3 are given.
Specifically, further optimized in the above scheme, the light blocking case 4 for blocking light leakage from the mirror 3 is disposed on the second surface 1ab of the base plate. In the preferred embodiment, the light blocking shell 4 is provided, and the purpose of the light blocking shell 4 is to prevent stray light from affecting the light reflected by the reflector 3, so as to avoid the interference of the stray light. Under the idea of avoiding stray light interference, the light blocking component is common in the technical field of optics, and the arrangement point of the light blocking component mainly lies in the function of the light blocking component rather than the specific arrangement form and structure. Therefore, in the above technical solution of the present invention, the object with the light blocking function is regarded as the range of the optimization scheme.
Specifically, further optimization is performed on the above scheme, the reflective mirror 3 is rectangular, the light blocking shell 4 comprises four light blocking plates 4a which are rectangular, the four light blocking plates 4a enclose a cuboid and are four surfaces of the cuboid which are connected with each other respectively, and the mirror surface of the reflective mirror 3 faces to the surface which is vacant on the cuboid. The preferred scheme provides a specific arrangement and structure form of the light-blocking shell.
Specifically, according to the above scheme, a diffusion plate 5 is disposed at the irradiation window, a third reflective via hole 5a is disposed on the diffusion plate 5, and the third reflective via hole 5a and the first reflective via hole 2a share a central axis. In the preferred embodiment, the diffuser plate 5 is provided to achieve the purpose of adjusting the light in a conventional manner, and the direct result is to make the light irradiating the detection object more uniform. Also in order to form a clear reflection light path, a third reflection via hole 5a is provided on the diffusion plate 5.
Specifically, further optimization is performed on the above scheme, the light source housing 1 includes an outer frame 1b, the LED lamp panel 2, the housing bottom plate 1a and the diffusion plate 5 are rectangular, the diffusion plate 5 and the housing bottom plate 1a are respectively located at two ends of the outer frame 1b and jointly enclose a rectangular cavity, and the LED lamp panel 2 is located in the cavity. In the preferred embodiment, a specific structural form of the light source housing 1 is given, and correspondingly, an integral structural form formed by the light source housing 1, the diffusion plate 5 and the LED lamp panel 2 is given.
Specifically, according to the above scheme, the first reflective via 2a, the second reflective via 1aa, and the third reflective via 5a are all circular.
Specifically, the light source module is further optimized in the above scheme, and further includes a cylindrical light source inner cylinder 6, the inner diameter of the light source inner cylinder 6 is the same as the inner diameters of the second reflection through hole 1aa and the third reflection through hole 5a, the outer diameter of the light source inner cylinder 6 is the same as the inner diameter of the first reflection through hole 2a, the light source inner cylinder 6 passes through the first reflection through hole 2a, and the end surfaces of the light source inner cylinder 6 respectively abut against the surfaces of the diffusion plate 5 and the housing bottom plate 1 a. In the preferred scheme, the light source inner cylinder 6 is provided, so that the interference of stray light on the reflected light in the internal reflection light path of the light source shell 1 can be avoided.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The area light source capable of taking images from the side face is characterized by comprising a light source shell (1), a cavity is formed in the light source shell (1), an LED lamp panel (2) is arranged in the cavity, the LED lamp panel (2) comprises a lamp panel first surface and a lamp panel second surface, the lamp panel first surface and the lamp panel second surface are parallel to each other, the lamp panel first surface is provided with a plurality of LED lamp beads, the LED lamp beads are arranged in a planar mode, an irradiation window used for passing irradiation light is arranged on one side of the lamp panel first surface on the light source shell (1), a first reflection through hole (2a) is formed in the center of the LED lamp panel (2), and the central axis of the first reflection through hole (2a) is perpendicular to the plane where the LED lamp beads are arranged;
still include reflector (3), reflector (3) are located lamp plate second surface one side, the mirror surface orientation of reflector (3) first reflection via hole (2a), just first reflection via hole (2a) use self axis as the projection line projection on the mirror surface falls into completely in the mirror surface within range, the mirror surface of reflector (3) with the axis of first reflection via hole (2a) is 0-90 contained angle.
2. The area light source for side image capture as claimed in claim 1, wherein a housing bottom plate (1a) is disposed on the light source housing (1) at the side of the second surface of the lamp panel, a second reflective via hole (1aa) is disposed on the housing bottom plate (1a), and the second reflective via hole (1aa) and the first reflective via hole (2a) share a central axis;
casing bottom plate (1a) is including being close to the bottom plate first surface of LED lamp plate (2) with keep away from the bottom plate second surface (1ab) of LED lamp plate (2), just bottom plate first surface and bottom plate second surface (1ab) are parallel to each other, reflector (3) are located bottom plate second surface (1ab) one side, just reflector (3) are fixed to be set up or are not fixed to be set up bottom plate second surface (1 ab).
3. A surface light source for side image capture as claimed in claim 2, wherein the reflective mirror (3) is a planar reflective mirror, and the reflective surface of the reflective mirror (3) forms an angle of 45 ° with the central axis of the second reflective via hole (1 aa).
4. A surface light source for side imaging as claimed in claim 3, wherein said mirror (3) is fixedly arranged to said base second surface (1 ab).
5. The surface light source for side image pickup according to claim 4, wherein a light blocking case (4) for blocking light leakage of the mirror (3) is provided on the second surface (1ab) of the base plate.
6. The area light source for side image taking according to claim 5, wherein the reflector (3) is rectangular, and the light blocking housing (4) comprises four light blocking plates (4a) each having a rectangular shape, the four light blocking plates (4a) enclose a rectangular parallelepiped and are respectively four faces of the rectangular parallelepiped, and the mirror face of the reflector (3) faces a face of the rectangular parallelepiped which is empty.
7. The area light source for side image capture of claim 6, wherein a diffusion plate (5) is disposed at the illumination window, a third reflective via (5a) is disposed on the diffusion plate (5), and the third reflective via (5a) and the first reflective via (2a) share a central axis.
8. The area light source for side image capture of claim 7, wherein the light source housing (1) comprises an outer frame (1b), and the outer frame (1b), the LED lamp panel (2), the housing bottom plate (1a) and the diffusion plate (5) are all rectangular, the diffusion plate (5) and the housing bottom plate (1a) are respectively located at two ends of the outer frame (1b) and jointly enclose a rectangular cavity, and the LED lamp panel (2) is located in the cavity.
9. The surface light source for side image capture of claim 8, wherein the first reflecting via hole (2a), the second reflecting via hole (1aa) and the third reflecting via hole (5a) are all circular.
10. The surface light source for side image taking according to claim 9, further comprising a cylindrical light source inner cylinder (6), wherein an inner diameter of the light source inner cylinder (6) is the same as inner diameters of the second reflection via hole (1aa) and the third reflection via hole (5a), an outer diameter of the light source inner cylinder (6) is the same as an inner diameter of the first reflection via hole (2a), and the light source inner cylinder (6) passes through the first reflection via hole (2a), and end surfaces of the light source inner cylinder (6) respectively abut against surfaces of the diffusion plate (5) and the housing bottom plate (1 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020315063.7U CN211698536U (en) | 2020-03-14 | 2020-03-14 | Area light source with side image capture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020315063.7U CN211698536U (en) | 2020-03-14 | 2020-03-14 | Area light source with side image capture |
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| Publication Number | Publication Date |
|---|---|
| CN211698536U true CN211698536U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020315063.7U Active CN211698536U (en) | 2020-03-14 | 2020-03-14 | Area light source with side image capture |
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| CN (1) | CN211698536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361299A (en) * | 2020-11-26 | 2021-02-12 | 安徽艳阳电气集团有限公司 | Searchlight with stealthy function |
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2020
- 2020-03-14 CN CN202020315063.7U patent/CN211698536U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361299A (en) * | 2020-11-26 | 2021-02-12 | 安徽艳阳电气集团有限公司 | Searchlight with stealthy function |
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