CN220730587U - Screen plate for video shooting distortion - Google Patents
Screen plate for video shooting distortion Download PDFInfo
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- CN220730587U CN220730587U CN202322470963.5U CN202322470963U CN220730587U CN 220730587 U CN220730587 U CN 220730587U CN 202322470963 U CN202322470963 U CN 202322470963U CN 220730587 U CN220730587 U CN 220730587U
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- grid plate
- support
- camera
- distortion grid
- sliding rods
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- 238000001514 detection method Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003287 optical effect Effects 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model provides a film and television shooting distortion grid plate, which relates to the field of distortion grid plates and comprises a support frame, wherein a motor support is arranged at the bottom of the front surface of the support frame, the motor support is U-shaped, two groups of sliding rods are arranged in the motor support side by side, the sliding rods penetrate through sliding blocks, the sliding rods and the sliding rods are perpendicular to the distortion grid plate, a stepping motor is arranged on the top surface of the bottom of the support frame, the front surface of the stepping motor is provided with the sliding rods, the sliding blocks are sleeved outside the sliding rods, fixed rods are arranged at the tops of the sliding rods, telescopic rods are arranged in the fixed rods, a camera support is arranged at the tops of the telescopic rods, the stepping motor is used for driving the sliding rods to rotate, the sliding rods and a camera at the tops of the sliding blocks are driven by the stepping motor to move along the direction of the sliding rods, the distance between the camera and the distortion grid plate is changed to achieve good detection effect, the sliding rods and the sliding rods are perpendicular to the distortion grid plate, so that a lens of the camera is always parallel to the distortion grid plate, and detection errors are reduced.
Description
Technical Field
The utility model relates to the field of distortion grid plates, in particular to a video shooting distortion grid plate.
Background
The distortion is an important index for measuring an optical system, the distortion directly affects the geometric position accuracy of an imaging target, has decisive factors for image identification and the like, in order to ensure the position accuracy of information in the image to be used for identification and calculation, the optical system such as an objective lens and the like is required to correct the distortion as far as possible in optical design, the actual optical system is required to be subjected to precise distortion measurement, whether the system is qualified or not is verified and the correction is provided in use, at present, a national distortion detection method generally adopts a method (target pattern plate method) specified in national standards, an image formed by a lens passing through a grid plate is observed by a telescope at an object side of a measured objective lens, an angle corresponding to each image height is recorded by a turntable, and the distortion of the measured optical system is calculated according to the measured image height of the telescope and the angle value recorded by the turntable
When the existing film and television shooting distortion grid plate is used, as the position of a tripod for placing a camera relative to the distortion grid plate is not completely limited, the distortion grid plate shoots, and a lens of the camera cannot be completely parallel to the distortion grid plate, so that a final detection result is affected.
Disclosure of Invention
The utility model aims to solve the technical problem that the camera lens cannot be completely parallel to the distortion grid plate, and provides the video shooting distortion grid plate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a distortion grid board is shot to movie & TV, includes the support frame, support frame middle part fretwork, support frame bottom top surface is equipped with step motor, step motor openly is equipped with the lead screw, the outside cover of lead screw has the slider, the slider top is equipped with the dead lever, the inside telescopic link that is equipped with of dead lever, the telescopic link top is equipped with the camera support, camera support top is equipped with the camera.
Preferably, a grid plate support is arranged at the top of the support frame, and a distortion grid plate is arranged on the front face of the grid plate support.
Preferably, the grid plate support is L-shaped, and the width of the distorted grid plate is smaller than that of the grid plate support.
Preferably, the camera support both sides are equipped with the fastening knob, the fastening knob runs through camera support both sides, fastening knob one end and camera contact.
Preferably, the positive bottom of support frame is equipped with motor support, motor support is the U type, motor support is inside to be equipped with two sets of slide bars side by side, the slide bar runs through the slider, slide bar and lead screw are all perpendicular with the distortion grid board.
Preferably, nine groups of through holes are uniformly formed in the back of the fixing rod, and a group of through holes are formed in the back of the telescopic rod.
Preferably, the telescopic link is inside to be equipped with U type elastic plate, U type elastic plate back bottom is equipped with the stopper, the stopper is the hemisphere, stopper diameter is the same with dead lever back through-hole diameter and telescopic link back through-hole diameter.
Preferably, two groups of bases are arranged on the front face of the bottom end of the motor support, and the other two groups of bases are arranged on the bottom of the support frame.
Advantageous effects
According to the utility model, the stepping motor, the slide bar, the slide block and the screw rod are adopted, the stepping motor drives the screw rod to rotate, the screw rod drives the slide block and the camera at the top of the slide block to move along the direction of the slide bar, the distance between the camera and the distortion grid plate is changed to achieve a good detection effect, and as the slide bar and the screw rod are perpendicular to the distortion grid plate, the lens of the camera is always parallel to the distortion grid plate, and the detection error is reduced.
According to the utility model, the fixing rod, the telescopic rod, the U-shaped elastic plate and the limiting block are adopted, the U-shaped elastic plate provides force for the limiting block to face the outside of the telescopic rod, so that the limiting block can be clamped in the through holes at the back of the fixing rod and the telescopic rod, the extending length of the telescopic rod is limited, a user can conveniently adjust the height of the camera to achieve a better detection effect, and after the use is completed, the telescopic rod is completely retracted into the fixing rod, the space occupation is reduced, and the telescopic rod is convenient to store.
According to the utility model, the camera support and the fastening knob are adopted, the camera is placed on the top surface of the camera support, and the camera is fixed by screwing the fastening knob, so that the influence on a detection result caused by the change of the position of the camera during the detection of the camera is avoided.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a cross-sectional view of the present utility model;
fig. 5 is a structural diagram of a in fig. 4 according to the present utility model.
Legend description:
1. a distorted grid plate; 2. a grid plate support; 3. a support frame; 4. a motor bracket; 5. a stepping motor; 6. a slide bar; 7. a slide block; 8. a screw rod; 9. a fixed rod; 10. a telescopic rod; 11. a camera mount; 12. a camera; 13. fastening a knob; 14. a U-shaped elastic plate; 15. a limiting block; 16. and (5) a base.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.
Specific embodiments of the present utility model are described below with reference to the accompanying drawings.
Detailed description of the preferred embodiments
Referring to fig. 1-5, the embodiment provides a video shooting distortion grid plate, which comprises a support frame 3, wherein the top of the support frame 3 is provided with a grid plate support 2, the support frame 3 supports the grid plate support 2, the front of the grid plate support 2 is provided with a distortion grid plate 1, the grid plate support 2 is used for placing the distortion grid plate 1, the back of the distortion grid plate 1 is provided with magnetic paint, the components of the grid plate support 2 contain iron and can be absorbed by the distortion grid plate 1, the grid plate support 2 is L-shaped, the bottom of the distortion grid plate 1 is aligned with the top of the L-shaped protruding part of the grid plate support 2, the width of the distortion grid plate 1 is smaller than the width of the grid plate support 2, the damage to the distortion grid plate 1 caused by excessive contact with the distortion grid plate 1 is avoided, the middle part of the support frame 3 is hollowed out, the bottom top surface of the support frame 3 is provided with a stepping motor 5, the front of the stepping motor 5 is provided with a screw rod 8, the stepping motor 5 drives the screw rod 8 to rotate, the slide block 7 is sleeved outside the screw rod 8, the motor support 4 is arranged at the bottom of the front surface of the support frame 3, the motor support 4 is U-shaped, two groups of slide bars 6 are arranged side by side inside the motor support 4, the slide bars 6 penetrate through the slide block 7, the screw rod 8 drives the slide block 7 and a camera 12 at the top of the slide block 7 to move along the direction of the slide bars 6, the slide bars 6 and the screw rod 8 are vertical to the distortion grid plate 1, a fixed rod 9 is arranged at the top of the slide block 7, the fixed rod 9 is in threaded connection with the slide block 7, a telescopic rod 10 is arranged inside the fixed rod 9, nine groups of through holes are uniformly arranged at the back surface of the fixed rod 9, a group of through holes are arranged at the back surface of the telescopic rod 10, a U-shaped elastic plate 14 is arranged inside the telescopic rod 10, a limiting block 15 is arranged at the bottom of the back surface of the U-shaped elastic plate 14, the U-shaped elastic plate 14 provides force towards the outside the telescopic rod 10 for a limiting block 15, the limiting block 15 is hemispherical, the stopper 15 diameter is the same with dead lever 9 back through-hole diameter and telescopic link 10 back through-hole diameter, and telescopic link 10 top is equipped with camera support 11, and camera support 11 top is equipped with camera 12, and camera support 11 is used for placing camera 12, and camera support 11 both sides are equipped with fastening knob 13, and fastening knob 13 runs through camera support 11 both sides, and fastening knob 13 one end and camera 12 contact, and motor support 4 bottom openly is equipped with two sets of bases 16, and support frame 3 bottom is equipped with two sets of other bases 16, and base 16 supports distortion grid plate 1 and camera 12.
The user places camera 12 on camera support 11 surface, tightening fastening knob 13 is fixed camera 12, thereby avoid detecting the camera 12 and change the camera 12 position when taking place to influence to the testing result, step motor 5 starts, step motor 5 drives lead screw 8 and rotates, lead screw 8 drives slider 7 and slider 7 top camera 12 and remove along slide bar 6 direction, change the distance between camera 12 and the distortion grid board 1 and reach better detection effect, because slide bar 6 and lead screw 8 are perpendicular with distortion grid board 1, make the camera lens of camera 12 be parallel with distortion grid board 1 all the time, the error of detection has been reduced, stretch telescopic link 10, U type elastic plate 14 provides the outside power towards telescopic link 10 for limit block 15, make stopper 15 can block in dead lever 9 and telescopic link 10 back through-hole, inject telescopic link 10 stretch length, adjust camera 12 to suitable position, the user adjusts the height of camera 12 and reaches better detection effect, afterwards, detect the camera 12's the camera is fully taken out to the telescopic link 10 through distortion grid board 1 to the distortion grid board 12, take out the camera 12 from the inside the support after the use, take out the camera is completely, take out the camera 12 from the inside is completely, take out the telescopic link is convenient for take up.
Second embodiment
Referring to fig. 1-5, this embodiment provides a distortion grid plate is shot to movie & TV, including support frame 3, be equipped with first rotation axis between support frame 3 bottom horizontal pole and the both sides support frame 3 vertical connecting rod, support frame 3 bottom top surface is equipped with step motor 5, step motor 5 openly is equipped with lead screw 8, the outside cover of lead screw 8 has slider 7, support frame 3 openly bottom is equipped with motor support 4, motor support 4 is the U type, motor support 4 is inside to be equipped with two sets of slide bars 6 side by side, slider 6 runs through slider 7, slider 7 top is equipped with dead lever 9, be equipped with the second rotation axis between slider 7 and the dead lever 9, after camera 12 detects and accomplishes, dead lever 9 rotates to being parallel with motor support 4 along the second rotation axis, support frame 3 vertical connecting rod rotates to motor support 4 top along first rotation axis, the device occupation volume has been reduced.
To sum up:
1. the stepping motor 5, the slide bar 6, the slide block 7 and the screw rod 8 are adopted, the screw rod 8 is driven by the stepping motor 5 to rotate, the slide block 7 and the camera 12 at the top of the slide block 7 are driven by the screw rod 8 to move along the direction of the slide bar 6, the distance between the camera 12 and the distortion grid plate 1 is changed to achieve a good detection effect, and as the slide bar 6 and the screw rod 8 are vertical to the distortion grid plate 1, the lens of the camera 12 is always parallel to the distortion grid plate 1, and the detection error is reduced;
2. the fixing rod 9, the telescopic rod 10, the U-shaped elastic plate 14 and the limiting block 15 are adopted, the U-shaped elastic plate 14 provides force for the limiting block 15 towards the outside of the telescopic rod 10, so that the limiting block 15 can be clamped in through holes in the back of the fixing rod 9 and the telescopic rod 10, the extending length of the telescopic rod 10 is limited, a user can conveniently adjust the height of the camera 12 to achieve a better detection effect, and after the use is finished, the telescopic rod 10 is completely retracted into the fixing rod 9, the occupied space is reduced, and the telescopic rod is convenient to store;
3. the camera support 11 and the fastening knob 13 are adopted, the camera 12 is placed on the top surface of the camera support 11, the camera 12 is fixed by screwing the fastening knob 13, and the influence on a detection result caused by the change of the position of the camera 12 when the camera 12 is detected is avoided.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a distortion grid board is shot to movie & TV, includes support frame (3), its characterized in that: support frame (3) middle part fretwork, support frame (3) bottom top surface is equipped with step motor (5), step motor (5) openly is equipped with lead screw (8), lead screw (8) outside cover has slider (7), slider (7) top is equipped with dead lever (9), dead lever (9) inside telescopic link (10) that are equipped with, telescopic link (10) top is equipped with camera support (11), camera support (11) top is equipped with camera (12).
2. A film and television capture distortion grid plate as defined in claim 1, wherein: the top of the supporting frame (3) is provided with a grid plate support (2), and the front of the grid plate support (2) is provided with a distortion grid plate (1).
3. A film and television capture distortion grid plate as defined in claim 2, wherein: the grid plate support (2) is L-shaped, and the width of the distorted grid plate (1) is smaller than that of the grid plate support (2).
4. A film and television capture distortion grid plate as defined in claim 1, wherein: the camera support (11) both sides are equipped with fastening knob (13), fastening knob (13) run through camera support (11) both sides, fastening knob (13) one end and camera (12) contact.
5. A film and television capture distortion grid plate as defined in claim 1, wherein: the supporting frame is characterized in that a motor support (4) is arranged at the bottom of the front face of the supporting frame (3), the motor support (4) is U-shaped, two groups of sliding rods (6) are arranged in the motor support (4) side by side, the sliding rods (6) penetrate through the sliding blocks (7), and the sliding rods (6) and the screw rods (8) are perpendicular to the distortion grid plate (1).
6. A film and television capture distortion grid plate as defined in claim 1, wherein: nine groups of through holes are uniformly formed in the back face of the fixed rod (9), and a group of through holes are formed in the back face of the telescopic rod (10).
7. A film and television capture distortion grid plate as defined in claim 6, wherein: the telescopic rod is characterized in that a U-shaped elastic plate (14) is arranged inside the telescopic rod (10), a limiting block (15) is arranged at the bottom of the back of the U-shaped elastic plate (14), the limiting block (15) is hemispherical, and the diameter of the limiting block (15) is the same as the diameter of a through hole in the back of the fixed rod (9) and the diameter of a through hole in the back of the telescopic rod (10).
8. A film and television capture distortion grid as defined in claim 5, wherein: two groups of bases (16) are arranged on the front face of the bottom end of the motor support (4), and the other two groups of bases (16) are arranged at the bottom of the support frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322470963.5U CN220730587U (en) | 2023-09-12 | 2023-09-12 | Screen plate for video shooting distortion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322470963.5U CN220730587U (en) | 2023-09-12 | 2023-09-12 | Screen plate for video shooting distortion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220730587U true CN220730587U (en) | 2024-04-05 |
Family
ID=90484830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322470963.5U Active CN220730587U (en) | 2023-09-12 | 2023-09-12 | Screen plate for video shooting distortion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220730587U (en) |
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2023
- 2023-09-12 CN CN202322470963.5U patent/CN220730587U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240422 Address after: Building 6, 403-2, Tian'an Yungu Industrial Park Phase II (Plot 02-07), Gangtou Community, Bantian Street, Longgang District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Youyuanren Cultural Technology Co.,Ltd. Country or region after: China Address before: 518000 402-3, Building 6, Tian'an Yungu Industrial Park Phase II (Plot 02-07), Gangtou Community, Bantian Street, Longgang District, Shenzhen, Guangdong Province Patentee before: New arrival (Shenzhen) Culture Media Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |