CN218481744U - Light source with variable illumination angle - Google Patents
Light source with variable illumination angle Download PDFInfo
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- CN218481744U CN218481744U CN202222040006.4U CN202222040006U CN218481744U CN 218481744 U CN218481744 U CN 218481744U CN 202222040006 U CN202222040006 U CN 202222040006U CN 218481744 U CN218481744 U CN 218481744U
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Abstract
The utility model relates to a variable angle light source, a variable illumination angle light source, including casing, multiunit light source, actuating mechanism, link gear and lens. The drive mechanism is mounted on the housing. The linkage mechanism is connected with the driving mechanism, the light sources are fixedly arranged on the linkage mechanism, and the driving mechanism controls the light sources to synchronously rotate through the linkage mechanism. The lens is fixedly arranged at the bottom of the shell and is positioned right below the light source. The variable angle light source realizes the light source irradiation angle through the angle of the swing light source lamp bead, and each incident ray of the light source is highly consistent and irradiates on the surface of an object, so that the brightness uniformity of the light at different positions on the surface of the object is not influenced.
Description
Technical Field
The utility model relates to an industrial light source field especially relates to a variable illumination angle light source.
Background
An industrial intelligent light source is a technology for intelligently adjusting the irradiation angle of a light source. At present, conventional light sources in the market cannot meet the uniform lighting requirement of a linear array camera, at present, strip-shaped light sources, plane light sources, coaxial light sources and the like are arranged, the light source irradiation angle is single, and the light source irradiation requirement of the area array camera can only be met.
However, the existing industrial light sources have the following defects:
the irradiation angle of the light source needs to be manually adjusted;
the requirements of the planar array camera on light polishing can be met, and the requirements of the linear array camera on light polishing can not be met;
the uniformity of the light source on the surface of the object can be affected by adjusting the illumination angle of the light source.
As shown in fig. 1, a lamp bead 401 of a light source 400 in a conventional scheme is fixedly installed inside, an angle of incidence 402 of the light source needs to be realized by swinging an inclined angle of the light source 400, the incident light irradiates the surface of an object 405, and a light refraction angle reflects the light into a camera 406 through a normal 403 along a reflection line 404. It can be seen that, after the light source 400 is tilted, the distance from the incident ray 402 to the surface of the object 405 is greatly different, which results in uneven brightness of the light reflected to the camera 406.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a variable illumination angle light source to solve current light source and shine the homogeneity that the angle adjustment in-process can influence the light source and shine at the object surface, can not satisfy the problem that linear array camera struck light the demand.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a variable illumination angle light source, comprising:
a housing;
a plurality of groups of light sources;
a drive mechanism mounted on the housing;
the linkage mechanism is connected with the driving mechanism, the plurality of groups of light sources are fixedly arranged on the linkage mechanism, and the driving mechanism controls the plurality of groups of light sources to synchronously rotate through the linkage mechanism;
and the lens is fixedly arranged at the bottom of the shell and is positioned right below the light source.
Furthermore, the linkage mechanism comprises a plurality of linkage shafts, a plurality of first linkage shaft fixing blocks and a first linkage plate, each linkage shaft corresponds to one first linkage shaft fixing block, the bottom end of each first linkage shaft fixing block is fixedly connected with one end of the corresponding linkage shaft, and the top end of each first linkage shaft fixing block is rotatably connected with the first linkage plate.
Furthermore, each linkage shaft is fixedly provided with a group of light sources, each light source comprises a lamp bead fixing block and a plurality of lamp beads arranged on the lamp bead fixing blocks, and the lamp bead fixing blocks are fixed on the corresponding linkage shafts.
Further, the casing is the rectangle casing, the rectangle casing includes preceding curb plate, posterior lateral plate, left side board and right side board, and is a plurality of the universal driving shaft along the equidistant interval of length direction of rectangle casing sets up, the both ends and the both sides of universal driving shaft preceding curb plate and posterior lateral plate rotate to be connected, the light source is located between preceding curb plate and the posterior lateral plate, the lens is installed the bottom of rectangle casing, and is located under the light source.
Furthermore, the linkage mechanism further comprises a plurality of second linkage shaft fixing blocks and a second linkage plate, the second linkage shaft fixing blocks and the second linkage plate are arranged in a mirror image mode with the first linkage shaft fixing blocks and the first linkage plate respectively, the bottom end of each second linkage shaft fixing plate is fixedly connected with the other end of the corresponding linkage shaft, and the top end of each second linkage shaft fixing plate is rotatably connected with the corresponding second linkage plate.
Further, the bottom of first universal driving shaft fixed block and second universal driving shaft fixed block all is equipped with a reducing round hole and is used for adjusting fixing bolt, both sides that the reducing round hole is right respectively the both ends of universal driving shaft are embraced tightly, and pass through fixing bolt fixed connection is through adjusting fixing bolt's elasticity degree is in order to adjust the reducing round hole is right the size of the power of embracing tightly of universal driving shaft.
Further, the driving mechanism is a driving motor.
Furthermore, the driving motor is fixedly mounted on the front side plate through a motor fixing block.
The utility model discloses owing to take above technical scheme, it has following advantage:
1. the utility model provides a variable illumination angle light source realizes the synchronous swing to a plurality of group light sources through angle adjustment mechanism and link gear, and then realizes the adjustment to the light source angle, and the highly unanimous irradiation of every incident line of the light of light source is on the object surface, and the light refraction angle passes through the normal line and reflects to the camera along the reflection ray is even, because every light reaches the object surface unanimously, realizes changing the light source and polishes the angle, does not influence the luminance uniformity of light in different positions on the object surface;
2. the motor is used as a driving mechanism, manual adjustment is not needed, and the efficiency is improved;
3. as each light ray is consistent to the surface of the object, the requirement of the linear array camera for polishing is met.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Like reference numerals refer to like parts throughout the drawings. In the drawings:
FIG. 1 is a schematic illustration of the illumination of a prior art light source;
fig. 2 is a schematic structural diagram of a variable illumination angle light source provided by an embodiment of the present invention;
FIG. 3 is a front view of a variable illumination angle light source;
FIG. 4 is a rear view of a variable illumination angle light source;
FIG. 5 is a bottom view of a variable illumination angle light source;
FIG. 6 is a schematic view of the angle adjustment mechanism and the light source;
FIG. 7 is a schematic view of the variable illumination angle light source with the housing removed;
fig. 8 is a schematic view illustrating the lighting of the light source with variable lighting angle according to an embodiment of the present invention.
Description of reference numerals:
the camera comprises a shell 1, a shell 2, an angle adjusting mechanism 2, a light source 3, a linkage mechanism 4, a lens 5, a motor 21, a motor fixing seat 25, a lamp bead fixing block 31, a lamp bead fixing block 32, a lamp bead 41, a linkage shaft 42, a first linkage shaft fixing block 43, a first linkage plate 44, a fixing bolt 46, a screw rod 46, a second linkage plate 47, a second linkage shaft fixing block 48, a light source 500, a lamp bead 501, an object surface 505, a normal 503, a reflection line 504, a camera 506, a light source 400, a lamp bead 401, an incident line 402, an object surface 405, a normal 403, a reflection line 404, a reflection line 406, a camera 11, a front side plate 12 and a rear side plate.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
An embodiment of the utility model provides a variable angle light source, including casing, multiunit light source, actuating mechanism, link gear and lens. The drive mechanism is mounted on the housing. The linkage mechanism is connected with the driving mechanism, the light sources are fixedly arranged on the linkage mechanism, and the driving mechanism controls the light sources to synchronously rotate through the linkage mechanism. The lens is fixedly arranged at the bottom of the shell and is positioned right below the light source.
The variable angle light source realizes the light source irradiation angle through the angle that angle adjustment mechanism swung light source lamp pearl, and every incident line highly uniform of the light of light source shines on the object surface, and the light refraction angle passes through the normal and in the even reflection of reflection ray to the camera along, because every light is unanimous to the object surface, realizes changing the light source angle of polishing, does not influence the luminance uniformity of light at the different positions of object surface.
Example 1
As shown in fig. 2 to 7, an embodiment of the present invention provides a variable angle light source, which includes a housing 1, a plurality of light sources 3, a driving mechanism 2, a linkage mechanism 4, and a lens 5. The drive mechanism 2 is mounted on the housing 1. The linkage mechanism 4 is connected with the driving mechanism 2, the multiple groups of light sources 3 are fixedly installed on the linkage mechanism 4, and the driving mechanism 2 controls the multiple groups of light sources 3 to synchronously rotate through the linkage mechanism 4. The lens 5 is fixedly installed at the bottom of the housing 1 and is located right below the light source 3.
The utility model provides a variable illumination angle light source realizes the synchronous swing to a plurality of groups light source 3 through angle adjustment mechanism 2 and link gear, and then realizes the adjustment to 3 angles of light source, the irradiation of every incident line highly uniform of light source 3 is on the object surface, light refraction angle passes through the normal line along the even reflection of reflection ray to the camera in, because every light is unanimous to the object surface, realize changing light source 3 angle of polishing, do not influence the luminance uniformity of light at the different positions of object surface.
The linkage mechanism 4 comprises a plurality of linkage shafts 41, a plurality of first linkage shaft fixing blocks 42 and first linkage plates 43, each linkage shaft 41 corresponds to one first linkage shaft fixing block 42, the bottom end of each first linkage shaft fixing block 42 is fixedly connected with one corresponding end of the linkage shaft 41, and the top end of each first linkage shaft fixing block is rotatably connected with the corresponding first linkage plate 43.
A set of light source 3 is fixed on each linkage shaft 41, the light source 3 comprises a lamp bead fixing block 31 and a plurality of lamp beads 32 installed on the lamp bead fixing block 31, and the lamp bead fixing block 31 is fixed on the corresponding linkage shaft 41.
The housing 1 is preferably a rectangular housing comprising a front plate 11, a rear plate 12, a left plate and a right plate. A plurality of universal driving shaft 41 along the length direction of rectangle casing equidistant interval sets up, the both ends and the both sides of universal driving shaft 41 preceding curb plate 11 rotates with posterior lateral plate 12 to be connected, light source 3 is located between preceding curb plate 11 and the posterior lateral plate 12, lens 5 is installed the bottom of rectangle casing, and is located under light source 3.
It can be understood that the housing 1 can be set to other shapes as well, as long as the above structural features and the corresponding functions are satisfied, which are all within the protection scope of the present invention.
The plurality of the linkage shafts 41 are arranged along the length direction of the rectangular shell 1 at equal intervals, and the plurality of the linkage shafts 41 are positioned on the same horizontal line.
When the driving mechanism 21 drives one of the linkage shafts 41 to rotate, the first linkage plate 43 and the plurality of first linkage shafts 41 are driven to deflect, and the first linkage plate 43 deflects to drive the plurality of first linkage shafts 41 to synchronously swing, so that synchronous swinging of the plurality of groups of light sources 3 is realized.
Through the angle of 3 lamp pearls 32 of actuating mechanism 2 and 4 swing light sources of link gear realizes 3 angles of illumination of light source, and every incident line highly uniform of light source 3 shines on the object surface, and light refraction angle passes through the normal and in the even reflection of reflection line arrives the camera along the reflection line, because every light is unanimous to the object surface, realizes changing the light source angle of polishing, does not influence the luminance uniformity of light in the different positions of object surface.
The linkage mechanism 4 further comprises a plurality of second linkage shaft fixing blocks 48 and a second linkage plate 47, the second linkage shaft fixing blocks 48 and the second linkage plate 48 are arranged on the rear side plate 12 and are respectively arranged with the first linkage shaft fixing blocks 42 and the first linkage plates 43 in a mirror image mode, the bottom end of each second linkage shaft fixing plate 47 is fixedly connected with the other end of the corresponding linkage shaft 41, and the top end of each second linkage shaft fixing plate 47 is rotatably connected with the second linkage plate 47.
Therefore, when the driving mechanism 21 drives the linkage shaft 411 to rotate, the linkage plates and the linkage shaft fixing blocks on the two sides can be driven to synchronously rotate, and the reliability of angle adjustment is improved.
The first linkage shaft fixing block 42 and the second linkage shaft fixing block 48 have the same structure.
The bottom of first universal driving shaft fixed block 42 and second universal driving shaft fixed block 48 all is equipped with a reducing round hole and is used for adjusting fixing bolt 44 of reducing round hole size, both sides the reducing round hole is right respectively the both ends of universal driving shaft 41 are held tightly, and pass through fixing bolt 44 fixed connection is through adjusting fixing bolt 44's elasticity degree is right the reducing round hole is right the size of the power of holding tightly of universal driving shaft 41.
Specifically, the bottom of first universal driving shaft fixed block 42 is inwards convoluteed the bending and is formed with a mounting hole, be used for holding fixing bolt 44 in the mounting hole, through adjusting fixing bolt 44's elasticity is in order to adjust the reducing round hole is right the size of the power of hugging closely of universal driving shaft 41 adjusts the fixed effect to universal driving shaft 41.
The top end of the first linkage shaft fixing block 42 is rotatably connected with the first linkage plate 43, and the top end of the second linkage shaft fixing block 48 is rotatably connected with the second linkage plate 47 through a screw 46.
The top end of the first linkage shaft fixing block 42 and the top end of the first driving shaft fixing block 23 are rotatably connected with the first linkage plate 43.
The driving mechanism is a driving motor 21. It is understood that the driving motor 21 may be replaced by other driving means known in the art, such as a rotary cylinder.
In order to facilitate the installation of the motor, the driving motor 21 is fixedly installed on the front side plate through a motor fixing seat 25.
The angle adjusting process of the variable illumination angle light source comprises the following steps:
the driving motor 21 drives one of the linkage shafts 41 to rotate, the linkage shaft 41 rotates to drive the first linkage plate 43 and the second linkage plate 47 to swing, the first linkage plate 43 and the second linkage plate 47 swing to drive the other linkage shafts 41 to synchronously rotate, and therefore angle adjustment of a light source mounted on the linkage shaft 41 is achieved.
As shown in fig. 8, adopt the utility model provides a variable illumination angle light source polishes, variable angle light source realizes the light source through the angle of swing light source 500 lamp pearl 501 and shines the angle, and every incident line highly uniform of light source 500's light shines at object surface 505, and light refraction angle passes through normal 503 in the even reflection of reflection ray 504 arrives camera 506, because every light is unanimous to object surface 505, realizes changing light source 500 and polishes the angle, does not influence the luminance uniformity of light at object surface 505 different positions.
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, 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 in its corresponding aspects.
Claims (8)
1. A variable illumination angle light source, comprising:
a housing;
a plurality of groups of light sources;
a drive mechanism mounted on the housing;
the linkage mechanism is connected with the driving mechanism, the plurality of groups of light sources are fixedly arranged on the linkage mechanism, and the driving mechanism controls the plurality of groups of light sources to synchronously rotate through the linkage mechanism;
and the lens is fixedly arranged at the bottom of the shell and is positioned right below the light source.
2. The light source with variable illumination angle of claim 1, wherein the linkage mechanism comprises a plurality of linkage shafts, a plurality of first linkage shaft fixing blocks and a first linkage plate, each linkage shaft corresponds to one first linkage shaft fixing block, the bottom end of each first linkage shaft fixing block is fixedly connected with one end of the corresponding linkage shaft, and the top end of each first linkage shaft fixing block is rotatably connected with the first linkage plate.
3. The variable illumination angle light source of claim 2, wherein a set of the light sources is fixed on each of the linkage shafts, the light sources comprise lamp bead fixing blocks and a plurality of lamp beads mounted on the lamp bead fixing blocks, and the lamp bead fixing blocks are fixed on the corresponding linkage shafts.
4. The light source with the variable illumination angle of claim 3, wherein the housing is a rectangular housing, the rectangular housing comprises a front side plate, a rear side plate, a left side plate and a right side plate, the plurality of the linkage shafts are arranged at equal intervals along the length direction of the rectangular housing, two ends of the linkage shafts are rotatably connected with the front side plate and the rear side plate on two sides, the light source is located between the front side plate and the rear side plate, and the lens is mounted at the bottom of the rectangular housing and located under the light source.
5. The variable illumination angle light source of claim 4, wherein the linkage mechanism further comprises a plurality of second fixed linkage shaft blocks and a second linkage plate, the second fixed linkage shaft blocks and the second linkage plate are respectively arranged in a mirror image manner with the first fixed linkage shaft blocks and the first linkage plate, the bottom end of each second fixed linkage shaft plate is fixedly connected with the other end of the corresponding linkage shaft, and the top end of each second fixed linkage shaft plate is rotatably connected with the second linkage plate.
6. The light source with the variable illumination angle of claim 5, wherein the bottom ends of the first linkage shaft fixing block and the second linkage shaft fixing block are respectively provided with a reducing round hole and a fixing bolt for adjusting the size of the reducing round hole, the reducing round holes on two sides respectively hold two ends of the linkage shaft tightly, and the reducing round holes are fixedly connected with the fixing bolt to adjust the holding force of the reducing round holes on the linkage shaft by adjusting the tightness degree of the fixing bolt.
7. The variable illumination angle light source of claim 6, wherein the driving mechanism is a driving motor.
8. The variable illumination angle light source of claim 7, wherein the driving motor is fixedly mounted on the front side plate through a motor fixing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222040006.4U CN218481744U (en) | 2022-08-04 | 2022-08-04 | Light source with variable illumination angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222040006.4U CN218481744U (en) | 2022-08-04 | 2022-08-04 | Light source with variable illumination angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218481744U true CN218481744U (en) | 2023-02-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222040006.4U Active CN218481744U (en) | 2022-08-04 | 2022-08-04 | Light source with variable illumination angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218481744U (en) |
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2022
- 2022-08-04 CN CN202222040006.4U patent/CN218481744U/en active Active
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