CN112067259A - Optical instrument for adjusting camera view field - Google Patents
Optical instrument for adjusting camera view field Download PDFInfo
- Publication number
- CN112067259A CN112067259A CN202011079538.8A CN202011079538A CN112067259A CN 112067259 A CN112067259 A CN 112067259A CN 202011079538 A CN202011079538 A CN 202011079538A CN 112067259 A CN112067259 A CN 112067259A
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- China
- Prior art keywords
- laser
- camera
- mounting
- field
- optical instrument
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
- G01M11/0214—Details of devices holding the object to be tested
Abstract
The invention discloses an optical instrument for adjusting a camera view field, which comprises a mounting seat and a laser calibration mechanism arranged on the mounting seat, wherein the laser calibration mechanism comprises a laser emitter for calibrating the camera view field and a laser fixing support for mounting the laser emitter, a laser mounting chamber for mounting the laser emitter is correspondingly arranged on the laser fixing support, a laser through hole for allowing laser emitted by the laser emitter to pass through is formed in the laser mounting chamber, a laser rear cover is arranged on the rear side of the laser fixing support, and camera lens holes are respectively formed in the centers of the laser fixing support and the laser rear cover. The invention has simple structure and convenient operation, can calibrate the visual field of the camera, calibrates the picture boundary through laser projection, has high visual field calibration efficiency, and can be widely used for calibrating the visual field of the camera without a screen, with a smaller screen or without power supply when the debugging angle is reached.
Description
Technical Field
The invention relates to an optical instrument for adjusting a camera view field, and belongs to the technical field of camera view field calibration.
Background
To the imaging device that needs external display or the camera that can not open the screen in the debugging period, because the scope that can't accurate judgement camera visual field cover during the installation brings very big inconvenience and manpower and materials cost, inefficiency to later stage use and maintenance.
At present, no effective solution is available in the industry for the application, and the solution is still solved by connecting complicated display equipment by manpower; the edge of the picture is judged by naked eyes, the boundary of the picture view field cannot be clearly distinguished, and the phenomenon of visual fatigue can occur when a large number of devices are debugged.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the optical instrument which has a simple structure, is convenient to operate, can calibrate the image view field of the camera under the condition that no screen exists or the screen can not be opened, and has high view field calibration efficiency.
The technical scheme for solving the technical problems is as follows: an optical instrument for adjusting a camera view field comprises a mounting seat and a laser calibration mechanism arranged on the mounting seat, wherein the laser calibration mechanism comprises a laser emitter for calibrating the camera view field and a laser fixing support for mounting the laser emitter, a laser mounting chamber for mounting the laser emitter is correspondingly arranged on the laser fixing support, a laser through hole for allowing laser emitted by the laser emitter to pass through is formed in the laser mounting chamber, a laser rear cover is arranged on the rear side of the laser fixing support, and camera lens holes are respectively formed in the centers of the laser fixing support and the laser rear cover.
The invention has the beneficial effects that: the laser transmitter required by picture calibration is correspondingly installed in the laser installation chamber, then the laser rear cover is installed, the laser rear cover not only can play a role in protecting the laser transmitter, but also can prevent a pad of a power supply interface of the laser transmitter from being in contact with an adjusted camera or an external circuit to generate short circuit, and can effectively achieve the dustproof and waterproof functions, the picture edge of the camera can be effectively represented in a laser line calibration mode for the camera without a screen, with a smaller screen or with a debugging angle, and the laser calibration mechanism can be installed on the camera required to be calibrated through the installation seat. In a word, the camera visual field calibration device is simple in structure and convenient to operate, can calibrate the visual field of a camera, calibrates the picture boundary through laser projection, is high in visual field calibration efficiency, and can be widely used for the visual field calibration of the camera without a screen, with a small screen or without power supply when the debugging angle is achieved.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the laser transmitters are four.
The beneficial effect of adopting the further scheme is that the four laser transmitters can calibrate the positions of four corners of the view field, and the picture boundary is calibrated through laser projection.
Furthermore, the mounting base comprises a mounting plate for mounting the laser calibration mechanism, a first clamping part and a second clamping part, the first clamping part and the second clamping part are used for being connected with a camera, the mounting plate is provided with a through hole corresponding to the camera lens hole, and the first clamping part and the second clamping part are respectively connected with the mounting plate.
The beneficial effect of adopting above-mentioned further scheme is that, the installation of laser calibration mechanism is realized to the mounting panel, and the clamping part then realizes being connected with the camera that needs the demarcation visual field, installation debugging convenient and fast.
Furthermore, the first clamping part is connected with the mounting plate through a spring and a spring pin shaft, and pin shaft lug plates used for positioning the spring pin shaft are respectively arranged on the first clamping part and the mounting plate.
The beneficial effect of adopting above-mentioned further scheme is that, the clamping part has realized being connected with the camera that needs the demarcation visual field, and concrete second clamping part and mounting panel fixed connection, first clamping part pass through spring and erection joint, form the centre gripping space that is used for being connected with the camera between first clamping part and the second clamping part.
Furthermore, a spring protection cover is arranged on the outer side of the spring.
Adopt the beneficial effect of above-mentioned further scheme to be, effectively prevent pollution and the corruption of material such as outside dust and granule to the spring, postpone this camera visual field and adjust the life of instrument.
Furthermore, the spring protection cover is provided with a positioning column and a positioning bulge, and the mounting plate is provided with a positioning hole for inserting the positioning column and a positioning groove matched with the positioning bulge.
The spring protection cover has the advantages that the spring protection cover is installed and positioned through the matching of the positioning columns, the positioning holes, the positioning bulges and the positioning grooves, and the installation and maintenance are convenient.
Further, the laser rear cover is connected with the laser fixing support through a clamping mechanism.
The beneficial effect who adopts above-mentioned further scheme is that, buckle connection convenient and fast, the installation and the dismantlement of being convenient for, and the buckle connection has improved the packaging efficiency of this camera visual field adjusting instrument.
Further, the clamping mechanism comprises a clamping block and a clamping groove clamped with the clamping block, the clamping block is arranged inside the rear cover of the laser, and the clamping groove is formed in the laser fixing support.
Adopt above-mentioned further scheme's beneficial effect be, specifically cover the equipment that lid and laser fixed bolster behind the laser instrument were realized to the corresponding block of draw-in groove on the fixture block that covers behind the laser instrument and the laser instrument installation room, and the installation is dismantled convenient and fast, the maintenance of being convenient for.
Furthermore, the laser fixing support or the laser rear cover is connected with the mounting seat through a locking bolt.
The laser calibration mechanism has the advantages that the laser calibration mechanism is stably connected with the mounting seat, and the laser calibration mechanism is convenient and quick to mount and convenient to maintain.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the split structure of the present invention;
FIG. 3 is a schematic structural view of the connection between the mounting base and the laser calibration mechanism according to the present invention;
FIG. 4 is a schematic structural view of a laser fixing bracket according to the present invention;
FIG. 5 is a schematic structural view of a rear cover of the laser of the present invention;
FIG. 6 is a schematic view of a view field image captured by the camera;
in the figure, 1, a laser fixing bracket; 101. a laser installation chamber; 102. laser through holes; 103. a card slot; 2. a laser transmitter; 3. a laser rear cover; 301. a clamping block; 4. a mounting seat; 401. a first clamping portion; 402. a second clamping portion; 403. mounting a plate; 404. a through hole; 405. a spring; 406. a spring pin; 407. a pin shaft clamp spring; 408. a spring protection cover; 409. a positioning column; 410. positioning the projection; 411. positioning holes; 412. a positioning groove; 5. and locking the bolt.
Detailed Description
The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
As shown in fig. 1 to 5, an optical instrument for adjusting a camera view field includes a mounting base and a laser calibration mechanism disposed on the mounting base, the laser calibration mechanism includes a laser emitter 2 for calibrating the camera view field and a laser fixing support 1 for mounting the laser emitter, a laser mounting chamber 101 for mounting the laser emitter is correspondingly disposed on the laser fixing support, a laser through hole 102 for allowing laser emitted by the laser emitter to pass through is disposed on the laser mounting chamber, a laser rear cover 3 is disposed on a rear side of the laser fixing support, and camera lens holes are respectively disposed at centers of the laser fixing support 2 and the laser rear cover 3.
The number of the laser transmitters 2 is four. The four laser transmitters can calibrate the positions of four corners of a view field, and the picture boundary is calibrated through laser projection.
The mounting seat 4 comprises a mounting plate 403 for mounting the laser calibration mechanism, a first clamping part 401 and a second clamping part 402 for connecting with a camera, the mounting plate is provided with a through hole 404 corresponding to the camera lens hole, and the first clamping part and the second clamping part are respectively connected with the mounting plate. The installation of laser calibration mechanism is realized to the mounting panel, and the clamping part then realizes being connected with the camera that needs to mark the visual field, installation and debugging convenient and fast.
The first clamping part is connected with the mounting plate through a spring 405 and a spring pin shaft 406, and pin shaft lug plates for positioning the spring pin shaft are respectively arranged on the first clamping part and the mounting plate. The free end of the spring pin passes through the spring and is locked by the pin clamp spring 407. The clamping part realizes the connection with a camera needing to be calibrated in a view field, the specific second clamping part is fixedly connected with the mounting plate, the first clamping part is connected with the mounting plate through a spring, and a clamping space used for being connected with the camera is formed between the first clamping part and the second clamping part.
A spring protection cover 408 is arranged on the outer side of the spring. Effectively prevent pollution and corrosion of substances such as external dust and particles to the spring, and delay the service life of the camera visual field adjusting instrument.
The spring protection cover is provided with a positioning column 409 and a positioning bulge 410, and the mounting plate is provided with a positioning hole 411 for inserting the positioning column and a positioning groove 412 matched with the positioning bulge. The spring protection cover is installed and positioned through the matching of the positioning columns and the positioning holes as well as the positioning bulges and the positioning grooves, and the installation and maintenance are convenient.
The laser back cover is connected with the laser fixing support through a buckle mechanism. The buckle connection is convenient and fast, the installation and the disassembly are convenient, and the assembling efficiency of the camera view field adjusting instrument is improved through the buckle connection.
The clamping mechanism comprises a clamping block and a clamping groove clamped with the clamping block, the clamping block 301 is arranged inside the rear cover of the laser, and the clamping groove 103 is arranged on the laser fixing support. The clamping block on the cover corresponds the block with the draw-in groove on the laser installation room through the laser instrument and realizes the equipment of cover and laser fixed bolster behind the laser instrument specifically, and the installation is dismantled convenient and fast, is convenient for maintain.
The laser fixing support or the laser rear cover is connected with the mounting seat through a locking bolt 5. The laser fixing support is provided with a bolt mounting column, the bolt mounting column penetrates through a mounting hole of the rear cover of the laser, and a bolt penetrates through the mounting hole in the mounting plate and is connected with the bolt mounting column, so that the laser calibration mechanism is stably connected with the mounting seat, and the laser calibration mechanism is convenient and fast to mount and convenient to maintain.
The angle of the laser emitter is consistent with the FOV of the adjusted camera, and the extension lines converge to one point, so that the edge of the camera view field picture is accurately positioned.
Examples are: as shown in fig. 6, the photographed picture is a plane, L is the vertical distance between the laser emitter and the plane, a is the long side of the photographed picture, B is the wide side of the photographed picture, L is 1639mm, a is 2070mm, B is 1549mm, the horizontal viewing angle of the laser emitter is about 64.5 degrees, and the vertical viewing angle of the laser emitter is about 50.5 degrees.
The laser transmitter required by the picture calibration is correspondingly installed in the laser installation chamber and then is connected with the laser rear cover through the buckle mechanism, the installation seat is connected with the laser rear cover through the locking bolt, the opening and the closing are realized through the matching of the first clamping part and the second clamping part on the installation seat, the tight fixation of the optical instrument and the debugged equipment is realized, and the matching error is reduced. The angle of the laser emitter of the adjusting instrument is consistent with the angle of the FOV of the adjusted camera, the extension line of the laser emitter is converged to one point, the FOV of the camera, namely the Field of view angle of the camera, can accurately position the edge of a picture, and can be widely used for Field-of-view calibration of the camera without a screen, with a small screen or without power supply when the angle is adjusted.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The optical instrument for adjusting the camera view field is characterized by comprising a mounting seat and a laser calibration mechanism arranged on the mounting seat, wherein the laser calibration mechanism comprises a laser emitter for calibrating the camera view field and a laser fixing support for mounting the laser emitter, a laser mounting chamber for mounting the laser emitter is correspondingly arranged on the laser fixing support, a laser through hole for allowing laser emitted by the laser emitter to pass through is formed in the laser mounting chamber, a laser rear cover is arranged on the rear side of the laser fixing support, and camera lens holes are respectively formed in the centers of the laser fixing support and the laser rear cover.
2. The optical instrument for adjusting field of view of a camera of claim 1, wherein there are four laser emitters.
3. The optical instrument for adjusting the field of view of a camera according to claim 1 or 2, wherein the mounting base includes a mounting plate for mounting the laser calibration mechanism, a first clamping portion and a second clamping portion for connecting with the camera, the mounting plate is provided with a through hole corresponding to the lens hole of the camera, and the first clamping portion and the second clamping portion are respectively connected with the mounting plate.
4. The optical instrument for adjusting the field of view of a camera according to claim 3, wherein the first clamping portion is connected to the mounting plate through a spring and a spring pin, and pin lugs for positioning the spring pin are respectively disposed on the first clamping portion and the mounting plate.
5. The optical instrument for adjusting the field of view of a camera of claim 4, wherein the spring is provided with a spring protection cover on the outer side.
6. The optical instrument for adjusting the field of view of a camera according to claim 5, wherein the spring protection cover has a positioning post and a positioning protrusion, and the mounting plate has a positioning hole for inserting the positioning post and a positioning groove for engaging with the positioning protrusion.
7. The optical instrument for adjusting the field of view of a camera of claim 1, wherein the laser back cover is connected to the laser fixing bracket by a snap-fit mechanism.
8. The optical instrument for adjusting the field of view of a camera according to claim 7, wherein the locking mechanism includes a locking block and a locking groove engaged with the locking block, the locking block is disposed inside the rear cover of the laser device, and the locking groove is disposed on the laser fixing bracket.
9. The optical instrument for adjusting the field of view of a camera of claim 1, wherein the laser fixing bracket or the laser rear cover is connected with the mounting base by a locking bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011079538.8A CN112067259A (en) | 2020-10-10 | 2020-10-10 | Optical instrument for adjusting camera view field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011079538.8A CN112067259A (en) | 2020-10-10 | 2020-10-10 | Optical instrument for adjusting camera view field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112067259A true CN112067259A (en) | 2020-12-11 |
Family
ID=73655709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011079538.8A Pending CN112067259A (en) | 2020-10-10 | 2020-10-10 | Optical instrument for adjusting camera view field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112067259A (en) |
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2020
- 2020-10-10 CN CN202011079538.8A patent/CN112067259A/en active Pending
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