CN212628188U - Photographic lens light ring calibration equipment - Google Patents
Photographic lens light ring calibration equipment Download PDFInfo
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- CN212628188U CN212628188U CN202021711496.0U CN202021711496U CN212628188U CN 212628188 U CN212628188 U CN 212628188U CN 202021711496 U CN202021711496 U CN 202021711496U CN 212628188 U CN212628188 U CN 212628188U
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Abstract
The utility model provides a photographic lens light ring calibration device, which comprises a device main body, a lens bracket, a light source fixing base and a buckle switching fixing ring, wherein the upper end surface of the device main body is provided with a moving track and a buckle fixing base, the moving track is close to the buckle fixing base, the buckle fixing base is provided with the buckle switching fixing ring, the moving track is provided with the light source fixing base and the lens bracket, and the light source fixing base is provided with a LED light source; the lens bracket comprises a bracket head, a screw rod, a fastening bolt, a fastening knob, a bracket main body, a worm wheel, a worm and a lifting knob, wherein one end of the screw rod is fixedly connected with the bracket head, the other end of the screw rod penetrates through the worm wheel to be meshed with the worm wheel, the screw rod penetrates through the middle part of the bracket main body, the fastening bolt is in threaded connection with one side of the bracket main body, the fastening bolt is fixedly connected with the fastening knob, the worm wheel is meshed with the worm, and the worm is coaxially. The utility model provides a problem that the accuracy is low is markd to the light ring parameter of having solved the camera.
Description
Technical Field
The utility model relates to a camera lens technical field, more specifically relate to a photographic lens light ring calibration equipment.
Background
With the development of the imaging technology, more and more users shoot images through cameras. Before the camera leaves a factory, the camera needs to be calibrated to obtain camera parameters, aperture parameters are important parameters, and the camera can restore objects in a three-dimensional space according to images acquired by the camera parameters. In the image acquisition process, a user can select different aperture parameters according to different shooting scenes. However, different shooting conditions in the conventional method affect the center of an image, the definition of the image and the like, and the problem of low calibration accuracy of the aperture parameters of the camera exists. Therefore, it is desirable to provide a photographic lens aperture calibration apparatus to overcome the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a photographic lens light ring calibration equipment has improved the accuracy that the light ring parameter of camera was markd to the problem that the accuracy is low is markd to the light ring parameter of solving the camera.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a photographic lens aperture calibration device comprises a device body, a lens bracket, an LED light source, a light source fixing base, a moving track, a buckle switching fixing ring and a buckle fixing base, wherein the upper end face of the device body is provided with the moving track and the buckle fixing base;
the lens bracket comprises a bracket head, a screw rod, a fastening bolt, a fastening knob, a bracket main body, a worm wheel, a worm and a lifting knob, wherein one end of the screw rod is fixedly connected with the bracket head, the other end of the screw rod penetrates through the worm wheel to be meshed with the worm wheel, the screw rod penetrates through the middle part of the bracket main body, the bracket main body is positioned between the bracket head and the worm wheel, the fastening bolt is in threaded connection with one side of the bracket main body, the fastening bolt is fixedly connected with the fastening knob, the worm wheel is meshed with the worm.
Furthermore, the lower end face of the equipment main body is provided with supporting legs, and four corners of the lower end face of the equipment main body are provided with the supporting legs.
Further, the LED light source and the buckle switching fixing ring are arranged oppositely, and the center position of the LED light source is aligned with the center position of the buckle switching fixing ring.
Further, the bracket head comprises a left inclined plate, a straight plate and a right inclined plate, the left inclined plate and the right inclined plate are respectively and fixedly connected to the left end and the right end of the straight plate, and the left inclined plate and the right inclined plate are inclined upwards.
Furthermore, the upward angles of the left inclined plate and the right inclined plate are consistent, namely the size of the included angle between the left inclined plate and the straight plate is equal to the size of the included angle between the right inclined plate and the straight plate.
Furthermore, the included angle between the left inclined plate and the straight plate is 120 degrees.
Furthermore, the one end that the straight board was kept away from to left swash plate is provided with rotatable packing element, and the one end that the straight board was kept away from to right swash plate is provided with rotatable packing element.
Furthermore, the left sloping plate comprises a first plate and a second plate, the first plate and the second plate are respectively rotatably connected with the upper end face and the lower end face of the rotatable rubber cylinder, so that the side face of the rotatable rubber cylinder is a rotatable curved surface, and the rotatable rubber cylinder is horizontally arranged. The right sloping plate comprises a first plate and a second plate, the first plate and the second plate are respectively connected with the upper end face and the lower end face of the rotatable rubber cylinder in a rotating mode, so that the side face of the rotatable rubber cylinder is a rotatable curved surface, and the rotatable rubber cylinder is horizontally arranged.
Preferably, the light source fixing base is provided with a detachable light blocking sheet, the detachable light blocking sheet is in a circular ring shape, and the central blank position of the detachable light blocking sheet is overlapped with the LED light source.
Preferably, a power interface is arranged on one side surface of the device main body.
Preferably, the lower end surface of the bracket main body is provided with two clamping grooves, the two clamping grooves are symmetrical by taking the screw as a center, the two clamping grooves are matched with the slide block of the moving track, the slide block is clamped in the clamping grooves, and the fastening bolt is used for propping against the slide block to fix the bracket main body on the slide block.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a photographic lens light ring calibration equipment, through setting up the equipment main part, the camera lens bracket, the LED light source, light source unable adjustment base, the removal track, the solid fixed ring of buckle switching and buckle fixing base, hold up the measured lens through the camera lens bracket, make measured lens and LED light source laminate completely, the light source of LED light source is whole inside the camera lens promptly, form a sealed environment, there is not the entering of any miscellaneous light, the detection effect of light ring parameter has been improved, the detection precision is improved, the accuracy that the light ring parameter was markd has been improved promptly.
Drawings
Fig. 1 is the utility model discloses a photographic lens light ring calibration equipment's schematic structure.
Fig. 2 is the utility model discloses a structure diagram of a camera lens bracket of photographic lens light ring calibration equipment.
Fig. 3 is a schematic connection diagram of the screw, the turbine and the worm of the photographing lens aperture calibration apparatus of the present invention.
Reference numerals: 1 is the equipment main part, 2 is the lens bracket, 3 is the LED light source, 4 is light source unable adjustment base, 5 is the removal track, 6 is the solid fixed ring of buckle switching, 7 is the buckle fixing base, 8 is the bracket head, 9 is the screw rod, 10 is fastening bolt, 11 is fastening knob, 12 is the bracket main part, 13 is the turbine, 14 is the worm, 15 is the lift knob, 16 is the supporting legs, 17 is left swash plate, 18 is the straight board, 19 is the right swash plate, 20 is rotatable packing element, 21 is one number board, 22 is two numbers board, 23 is the detachable barn door, 24 is the block groove.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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 work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the presence of a first feature above or below a second feature may encompass direct contact of the first and second features, and may also encompass contact of the first and second features not being in direct contact, but via additional features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. Including a first feature being directly below and obliquely below a second feature, or simply indicating that the first feature is at a lesser elevation than the second feature, if present below, under or below the second feature.
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention is shown for illustration purposes, and is not limited to the structure.
Example one
As shown in fig. 1, 2 and 3, a photographic lens aperture calibration device includes a device body 1, a lens bracket 2, an LED light source 3, a light source fixing base 4, a moving rail 5, a buckle transfer fixing ring 6 and a buckle fixing base 7, wherein the moving rail 5 and the buckle fixing base 7 are arranged on the upper end surface of the device body 1, the moving rail 5 is close to the buckle fixing base 7, the buckle transfer fixing ring 6 is arranged on the buckle fixing base 7, the light source fixing base 4 sliding on the moving rail 5 and the lens bracket 2 sliding on the moving rail 5 are arranged on the moving rail 5, the LED light source 3 is arranged on the light source fixing base 4, and the lens bracket 2 is arranged between the LED light source 3 and the buckle transfer fixing ring 6;
the lens bracket 2 comprises a bracket head 8, a screw rod 9, a fastening bolt 10, a fastening knob 11, a bracket body 12, a worm wheel 13, a worm 14 and a lifting knob 15, wherein one end of the screw rod 9 is fixedly connected with the bracket head 8, the other end of the screw rod 9 penetrates through the worm wheel 13 and is meshed with the worm wheel 13, the screw rod 9 penetrates through the middle of the bracket body 12, the bracket body 12 is positioned between the bracket head 8 and the worm wheel 13, one side of the bracket body 12 is in threaded connection with the fastening bolt 10, the fastening bolt 10 is fixedly connected with the fastening knob 11, the worm wheel 13 is meshed with the worm 14, and the worm 14 is.
In order to ensure that the device main body 1 is always in a horizontal position, the lower end surface of the device main body 1 is provided with supporting legs 16, and four corners of the lower end surface of the device main body 1 are provided with the supporting legs 16.
In order to ensure the accuracy of the calibration of the aperture parameters, the LED light source 3 is arranged opposite to the buckle switching fixing ring 6, and the center position of the LED light source 3 is aligned with the center position of the buckle switching fixing ring 6.
Further, as shown in fig. 2, the carrier head 8 includes a left inclined plate 17, a straight plate 18, and a right inclined plate 19, the left inclined plate 17 and the right inclined plate 19 are fixedly connected to left and right ends of the straight plate 18, respectively, and both the left inclined plate 17 and the right inclined plate 19 are inclined upward.
In order to ensure that the tested lens is always in a horizontal position, the upward inclined angles of the left inclined plate 17 and the right inclined plate 19 are consistent, namely the included angle between the left inclined plate 17 and the straight plate 18 is equal to the included angle between the right inclined plate 19 and the straight plate 18.
Preferably, the angle between the left inclined plate 17 and the straight plate 18 is 120 degrees.
Example two
As shown in fig. 2, in order to stably hold the measured lens by the carrier head 8, a rotatable rubber cylinder 20 is disposed at an end of the left inclined plate 17 away from the straight plate 18, and a rotatable rubber cylinder 20 is disposed at an end of the right inclined plate 19 away from the straight plate 18.
As shown in fig. 2, preferably, the left sloping plate 17 comprises a first plate 21 and a second plate 22, and the first plate 21 and the second plate 22 are rotatably connected to the upper end surface and the lower end surface of the rotatable glue cylinder 20, respectively, so that the side surface of the rotatable glue cylinder 20 is a rotatable curved surface, and the rotatable glue cylinder 20 is horizontally disposed. The right sloping plate 19 includes a number 21 and a number 22, and a number 21 and a number 22 rotate with the up end and the lower terminal surface of rotatable packing element 20 respectively and are connected for the side of rotatable packing element 20 is rotatable curved surface, and rotatable packing element 20 level setting.
In order to ensure the accuracy of the calibration of the aperture parameters, the light source fixing base 4 is provided with a detachable light blocking sheet 23, the detachable light blocking sheet 23 is in a circular ring shape, and the central blank position of the detachable light blocking sheet 23 is overlapped with the LED light source 3.
Preferably, a power interface is provided on one side of the apparatus body 1.
As shown in fig. 2, in order to ensure that the lens holder 2 holds the measured lens better, two engaging grooves 24 are provided on the lower end surface of the holder main body 12, the two engaging grooves 24 are symmetrical around the screw 9, the engaging grooves 24 are matched with the slider of the moving rail 5, the slider is engaged in the engaging grooves 24, and the fastening bolt 10 is used to abut against the slider to fix the holder main body 12 to the slider.
EXAMPLE III
Firstly, a tested lens is buckled on a buckle switching fixing ring 6, a lens bracket 2 is moved to the tested lens, when the lens bracket 2 supports the tested lens, a fastening knob 11 is twisted to enable a fastening bolt 10 to prop against a sliding block, namely, the lens bracket 2 is fixed, then an LED light source 3 is opened, and then the LED light source 3 is moved to the tested lens to enable the LED light source 3 to be attached to the tested lens; subsequently, the lifting knob 15 is twisted, the worm 14 rotates, the worm 14 drives the worm wheel 13 to rotate, the worm wheel 13 drives the screw rod 9 to rotate, namely, the screw rod 9 ascends or descends, namely, the height of the lens bracket 2 is finely adjusted, so that the LED light source 3 is completely attached to the measured lens, namely, no stray light enters the measured lens, the LED light source 3 does not leak, and the accuracy of calibrating the aperture parameters is improved.
The above-mentioned embodiments are provided for illustration and not for limitation, and the changes of the examples and the replacement of equivalent elements should be understood as belonging to the scope of the present invention.
From the above detailed description, it will be apparent to those skilled in the art that the present invention can be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein.
Claims (8)
1. A photographic lens aperture calibration device is characterized by comprising a device body, a lens bracket, an LED light source, a light source fixing base, a moving track, a buckle switching fixing ring and a buckle fixing base, wherein the upper end face of the device body is provided with the moving track and the buckle fixing base;
the lens bracket comprises a bracket head, a screw rod, a fastening bolt, a fastening knob, a bracket main body, a worm wheel, a worm and a lifting knob, wherein one end of the screw rod is fixedly connected with the bracket head, the other end of the screw rod penetrates through the worm wheel to be meshed with the worm wheel, the screw rod penetrates through the middle part of the bracket main body, the bracket main body is positioned between the bracket head and the worm wheel, the fastening bolt is in threaded connection with one side of the bracket main body, the fastening bolt is fixedly connected with the fastening knob, the worm wheel is meshed with the worm.
2. The apparatus for calibrating an aperture of a photographic lens as claimed in claim 1, wherein the lower end surface of the apparatus main body is provided with support legs, and the support legs are provided at four corners of the lower end surface of the apparatus main body.
3. The apparatus for calibrating an aperture of a photographic lens as claimed in claim 1, wherein the LED light source is disposed opposite to the snap-fit coupling ring, and a center position of the LED light source is aligned with a center position of the snap-fit coupling ring.
4. The apparatus for calibrating a diaphragm of a photographic lens as claimed in claim 1, wherein the bracket head comprises a left inclined plate, a straight plate and a right inclined plate, the left inclined plate and the right inclined plate are fixedly connected to left and right ends of the straight plate, respectively, and both the left inclined plate and the right inclined plate are inclined upward.
5. The apparatus for calibrating an aperture of a photographic lens as claimed in claim 4, wherein the left inclined plate and the right inclined plate have the same upward angle, i.e. the angle between the left inclined plate and the straight plate is equal to the angle between the right inclined plate and the straight plate.
6. The apparatus for calibrating an aperture of a photographic lens as claimed in claim 5, wherein the angle between the left inclined plate and the straight plate is 120 °.
7. The apparatus for calibrating an aperture of a photographic lens as claimed in claim 6, wherein a rotatable rubber cylinder is disposed at an end of the left inclined plate away from the straight plate, and a rotatable rubber cylinder is disposed at an end of the right inclined plate away from the straight plate.
8. The apparatus for calibrating an aperture of a photographic lens as claimed in claim 7, wherein the left inclined plate comprises a first plate and a second plate, the first plate and the second plate being rotatably coupled to an upper end surface and a lower end surface of the rotatable rubber cylinder, respectively, such that the side surface of the rotatable rubber cylinder is a rotatable curved surface, and the rotatable rubber cylinder is horizontally disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021711496.0U CN212628188U (en) | 2020-08-17 | 2020-08-17 | Photographic lens light ring calibration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021711496.0U CN212628188U (en) | 2020-08-17 | 2020-08-17 | Photographic lens light ring calibration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212628188U true CN212628188U (en) | 2021-02-26 |
Family
ID=74713423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021711496.0U Active CN212628188U (en) | 2020-08-17 | 2020-08-17 | Photographic lens light ring calibration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212628188U (en) |
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2020
- 2020-08-17 CN CN202021711496.0U patent/CN212628188U/en active Active
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