CN217085376U - Camera lens mounting plane calibration mechanism - Google Patents
Camera lens mounting plane calibration mechanism Download PDFInfo
- Publication number
- CN217085376U CN217085376U CN202220628516.0U CN202220628516U CN217085376U CN 217085376 U CN217085376 U CN 217085376U CN 202220628516 U CN202220628516 U CN 202220628516U CN 217085376 U CN217085376 U CN 217085376U
- Authority
- CN
- China
- Prior art keywords
- lens
- light
- camera lens
- lens mounting
- annular boss
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Camera Bodies And Camera Details Or Accessories (AREA)
Abstract
The utility model discloses a camera lens mounting surface calibration mechanism, it can be installed the levelness to the camera lens and calibrate the demarcation, satisfies the production assembly demand of camera lens. The technical scheme of the utility model is that: the utility model provides a camera lens mounting plane calibration mechanism, including the camera lens mounting panel, vertical camera lens that sets up on the camera lens mounting panel and the demarcation work piece and the collimater that all are located the camera lens below, it includes the rectangle framework and sets up the annular boss on rectangle framework upper portion to mark the work piece, the lower part of camera lens mounting panel is provided with the circular recess with annular boss looks adaptation, the rectangle framework includes the hypoplastron, the middle part of hypoplastron is provided with the light trap, the up end of annular boss parallels with the lower terminal surface of hypoplastron, the below parallel arrangement of the lower terminal surface of hypoplastron has the speculum, the collimater includes the light jet head, the light jet head is located among the rectangle framework and the light outlet of light jet head is towards the light trap. The utility model relates to a technical field that camera lens assembly was counterpointed.
Description
Technical Field
The utility model relates to a technical field that the camera lens assembly was counterpointed especially relates to a camera lens mounting plane calibration mechanism.
Background
Along with the development of optical technology, the technology of VR glasses has been developed greatly, and the function is realized through the needs of accurate equipment of the camera lens of high-end VR glasses and image luminous body, needs to carry out AA counterpoint and assembles. The level of the installation of the test lens relative to the installation reference surface is important for the test system, and for this reason, the installation levelness of the lens needs to be calibrated before the AA test.
SUMMERY OF THE UTILITY MODEL
The utility model provides a camera lens mounting surface calibration mechanism, it can be installed the levelness to the camera lens and calibrate the demarcation, satisfies the production assembly demand of camera lens.
The to-be-solved technical problem of the utility model is realized through following technical means: the utility model provides a camera lens mounting surface calibration mechanism, includes camera lens mounting panel, vertical setting camera lens on the camera lens mounting panel and all be located the calibration work piece and the collimater of camera lens below, the calibration work piece includes the rectangle framework and sets up the annular boss on rectangle framework upper portion, the lower part of camera lens mounting panel be provided with the circular recess of annular boss looks adaptation, the rectangle framework includes the hypoplastron, the middle part of hypoplastron is provided with the light trap, the up end of annular boss with the lower terminal surface of hypoplastron parallels, the below parallel arrangement of the lower terminal surface of hypoplastron has the speculum, the collimater includes the light and jets out the head, the light is jetted out the head and is located among the rectangle framework just the light outlet orientation of light jet out the head the light trap.
In the above scheme, the camera lens carries out fixed mounting through the camera lens mounting panel, and the camera lens mounting panel realizes the cooperation that corresponds with the calibration work piece through the cooperation of circular recess and annular boss again, the calibration work piece is a work piece that the upper and lower surface has high parallelism, the high-accuracy speculum of lower surface mounting, calibration work piece has the light trap reverberation, the transmitting light of collimator reflects back the collimator after the light trap projects the speculum again, the transmitting light gets into the collimator, the collimator can carry out the contrast through transmitting light and the light that reflects back whether coincidence or skew degree and obtain the levelness condition of camera lens.
Further, the appearance of camera lens is cylindric, the camera lens mounting panel be provided with the installation round hole of camera lens looks adaptation, the lower part of camera lens is provided with convex flange, the camera lens mounting panel the flange with all be provided with corresponding screw on the annular boss, be provided with the screw in the screw, the screw will the camera lens mounting panel the flange with the annular boss links gradually.
In the scheme, the lens mounting plate, the flange and the annular boss are connected through screws, so that the lens and the calibration workpiece are fixedly connected.
Further, the reflector is attached to the lower end surface of the lower plate.
Further, the collimator comprises a lens barrel and a light source barrel perpendicular to the lens barrel, a photoelectric sensor is arranged at the rear of the lens barrel, a first spectroscope inclined at 45 degrees is arranged at the joint of the lens barrel and the light source barrel, a light source for projecting light onto the first spectroscope is arranged in the light source barrel, and a light ray ejection head is arranged at the front of the lens barrel and a second spectroscope inclined at 45 degrees is arranged in the light ray ejection head.
In the above scheme, the light source forms the transmission light through first spectroscope and divides two the tunnel, project on photoelectric sensor all the way, another way jets out light to the second spectroscope in the light goes out the head after to the lower light that jets out, light is the light of directive light trap, light passes through the speculum reflection and goes back when coming first spectroscope through original light path, on the photoelectric sensor is penetrated through first spectroscope and penetrate directly, photoelectric sensor has just received twice light like this, whether the collimater self can carry out the contrast through this twice light and coincide or the degree of skew and obtain the levelness condition of camera lens.
Furthermore, the lateral part of camera lens mounting panel is provided with fixed bolster and angle modulation module, the camera lens mounting panel is fixed on the fixed bolster, angle modulation module includes circular arc guide rail and sets up circular arc slider on the circular arc guide rail, the circular arc slider along circular arc guide rail is the circular arc and removes, the fixed bolster is installed on the circular arc slider.
In the above scheme, the angle adjusting module can finely adjust the angle of the lens mounting plate so as to achieve the fine adjustment of the angle of the lens, and the levelness of the lens can be finely adjusted until the collimator detects that the levelness of the lens meets the requirements.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of the alignment of the calibration workpiece and the lens;
fig. 3 is a schematic view of the angle adjustment module and the lens mounting plate in cooperation.
Detailed Description
The present invention will be further described in detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.
As shown in fig. 1 to 3, the present invention relates to a lens mounting plane calibration mechanism, which comprises a lens mounting plate 1, a lens 2 vertically disposed on the lens mounting plate 1, a calibration workpiece 3 and a collimator 4 both located below the lens 2, the calibration workpiece 3 comprises a rectangular frame body 5 and an annular boss 6 arranged at the upper part of the rectangular frame body 5, the lower part of the lens mounting plate 1 is provided with a circular groove 7 matched with the annular boss 6, the rectangular frame body 5 comprises a lower plate 8, a light transmission hole 9 is arranged in the middle of the lower plate 8, the upper end surface of the annular boss 6 is parallel to the lower end surface of the lower plate 8, a reflecting mirror 10 is arranged below the lower end surface of the lower plate 8 in parallel, the collimator 4 comprises a light emitting head 11, the light emitting head 11 is located in the rectangular frame 5, and a light outlet of the light emitting head 11 faces the light hole 9. Lens 2 carries out fixed mounting through lens mounting panel 1, and lens mounting panel 1 realizes and marks the corresponding cooperation of work piece 3 through the cooperation of circular recess 7 and annular boss 6 again, it has the work piece of high depth of parallelism to mark work piece 3 to be one upper and lower surface, the high-accuracy speculum 10 of lower surface mounting, it has light trap 9 reverberation to mark work piece 3, the transmission light of collimator 4 reflects collimator 4 again after projecting to speculum 10 through light trap 9, the transmission light gets into collimator 4, collimator 4 can obtain the levelness condition of lens 2 through the light that transmission light and reflection returned light contrast whether coincidence or skew degree.
Further, the appearance of camera lens 2 is cylindric, camera lens mounting panel 1 be provided with the installation round hole 12 of camera lens 2 looks adaptation, the lower part of camera lens 2 is provided with convex flange 13, camera lens mounting panel 1 flange 13 with all be provided with corresponding screw 14 on the annular boss 6, be provided with the screw in the screw 14, the screw will camera lens mounting panel 1 flange 13 with annular boss 6 links gradually. The lens mounting plate 1, the flange 13 and the annular boss 6 are connected through screws, so that the lens 2 and the calibration workpiece 3 are fixedly connected.
Further, the reflecting mirror 10 is attached to the lower end surface of the lower plate 8.
Further, the collimator 4 includes a lens barrel 15 and a light source barrel 16 perpendicular to the lens barrel 15, a photoelectric sensor is disposed at the rear of the lens barrel 15, a first beam splitter inclined at 45 degrees is disposed at a joint of the lens barrel 15 and the light source barrel 16, a light source for projecting light onto the first beam splitter is disposed in the light source barrel 16, and the light exit head 11 is disposed at the front of the lens barrel 15 and a second beam splitter inclined at 45 degrees is disposed in the light exit head 11. The light source forms the transmission light through first spectroscope and divides two the tunnel, project on photoelectric sensor all the way, another way jets out light to the second spectroscope in the light jets out head 11 back down, light is just the light of directive light trap 9, light is through reflector 10 reflection back to come first spectroscope through original light path, see through first spectroscope and penetrate on photoelectric sensor directly, photoelectric sensor has just received twice light like this, whether the level condition of camera lens 2 is obtained to collimator 4 self can be carried out the contrast through this twice light and whether coincide or skew degree.
Further, the lateral part of camera lens mounting panel 1 is provided with fixed bolster 17 and angle modulation module, camera lens mounting panel 1 is fixed on the fixed bolster 17, angle modulation module includes circular arc guide rail 18 and sets up circular arc slider 19 on the circular arc guide rail 18, circular arc slider 19 along circular arc guide rail 18 is the circular arc and moves, fixed bolster 17 is installed on the circular arc slider 19. Thereby angle adjustment module can carry out the angle fine setting to camera lens mounting panel 1 and realize the angle fine setting of camera lens 2 for the levelness at camera lens 2 can finely tune and meet the requirements until collimator 4 detects the levelness of camera lens 2.
The utility model discloses in, predetermine the reference plane that an assembly was used before 2 assemblies of camera lens, 4 emergent lights of the collimater of initial condition position have been transferred perpendicularly with the reference plane, need adjust the installation face of camera lens 2 now to be parallel with the reference plane. A camera matched with the photoelectric sensor is arranged in the collimator 4, the emitted light of the collimator 4 is reflected back to the collimator through the reflector 10, a cross-line image can be formed on the camera of the collimator 4, the emitted light of the collimator 4 can also form a cross-line image of the collimator 4 on the camera through the first spectroscope, namely two cross-line images are arranged on the camera; the utility model discloses increase the demarcation work piece 3 that the upper and lower surface has high depth of parallelism, lower surface mounting high-precision mirror 10, it has light trap 9 reverberation to mark work piece 3, can reflect collimator 4's transmission light back to collimator 4, and the reflected light gets into collimator 4, if two cross coincidence, can draw collimator 4's emergent ray and speculum are perpendicular. The conversion can result in that the reflector 10 is parallel to the reference plane, and then the mounting surface of the lens 2 is parallel to the reference plane. If the two cross lines are not coincident, the camera can be subjected to angle adjustment through the angle adjusting module.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (5)
1. The lens mounting plane calibration mechanism is characterized by comprising a lens mounting plate (1), a lens (2) vertically arranged on the lens mounting plate (1), and a calibration workpiece (3) and a collimator (4) which are both positioned below the lens (2), wherein the calibration workpiece (3) comprises a rectangular frame body (5) and an annular boss (6) arranged at the upper part of the rectangular frame body (5), the lower part of the lens mounting plate (1) is provided with a circular groove (7) matched with the annular boss (6), the rectangular frame body (5) comprises a lower plate (8), the middle part of the lower plate (8) is provided with a light hole (9), the upper end surface of the annular boss (6) is parallel to the lower end surface of the lower plate (8), and a reflector (10) is arranged below the lower end surface of the lower plate (8) in parallel, the collimator (4) comprises a light emitting head (11), the light emitting head (11) is positioned in the rectangular frame (5), and a light emitting opening of the light emitting head (11) faces the light transmitting hole (9).
2. The lens mounting plane calibration mechanism according to claim 1, wherein the lens (2) is cylindrical, the lens mounting plate (1) is provided with a mounting circular hole (12) adapted to the lens (2), a protruding flange (13) is provided at a lower portion of the lens (2), the lens mounting plate (1), the flange (13) and the annular boss (6) are provided with corresponding screw holes (14), and screws are provided in the screw holes (14) and connect the lens mounting plate (1), the flange (13) and the annular boss (6) in sequence.
3. A lens mounting plane calibration mechanism according to claim 1, characterized in that said mirror (10) is attached to the lower end face of said lower plate (8).
4. The lens mounting plane calibration mechanism according to claim 1, wherein the collimator (4) includes a lens barrel (15) and a light source barrel (16) perpendicular to the lens barrel (15), a photoelectric sensor is disposed at a rear portion of the lens barrel (15), a first beam splitter inclined at 45 degrees is disposed at a connection portion of the lens barrel (15) and the light source barrel (16), a light source for projecting light onto the first beam splitter is disposed in the light source barrel (16), the light exit head (11) is disposed at a front portion of the lens barrel (15), and a second beam splitter inclined at 45 degrees is disposed in the light exit head (11).
5. The lens mounting plane calibration mechanism according to claim 1, wherein a fixing bracket (17) and an angle adjustment module are arranged at a side portion of the lens mounting plate (1), the lens mounting plate (1) is fixed on the fixing bracket (17), the angle adjustment module comprises an arc guide rail (18) and an arc slider (19) arranged on the arc guide rail (18), the arc slider (19) moves along the arc guide rail (18) in an arc, and the fixing bracket (17) is mounted on the arc slider (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220628516.0U CN217085376U (en) | 2022-03-22 | 2022-03-22 | Camera lens mounting plane calibration mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220628516.0U CN217085376U (en) | 2022-03-22 | 2022-03-22 | Camera lens mounting plane calibration mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217085376U true CN217085376U (en) | 2022-07-29 |
Family
ID=82551643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220628516.0U Active CN217085376U (en) | 2022-03-22 | 2022-03-22 | Camera lens mounting plane calibration mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217085376U (en) |
-
2022
- 2022-03-22 CN CN202220628516.0U patent/CN217085376U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112327275B (en) | Laser radar | |
| US20060176453A1 (en) | Projector | |
| US20220057489A1 (en) | Laser transceiving module and light adjustment method thereof, lidar, and automatic drive apparatus | |
| US20070030474A1 (en) | Optical range finder | |
| CN109031533B (en) | Dual-light-path receiving and transmitting integrated antenna based on Cassegrain telescope and receiving and transmitting method | |
| CN217085376U (en) | Camera lens mounting plane calibration mechanism | |
| WO2022022240A1 (en) | Projection module and assembly method therefor, and near-eye display apparatus comprising projection module | |
| US10704903B2 (en) | Binocular capable of measuring distance and prism and light transmitter module thereof | |
| CN210894836U (en) | Combined light guide device for adjusting laser beam direction | |
| JPH0522430B2 (en) | ||
| CN217467376U (en) | Alignment assembling device of reticle assembly | |
| CN111007482B (en) | Laser radar device | |
| US8179519B2 (en) | Adjusting device with a laser light source and a reflector for aligning a microlithography projection exposure installation | |
| US5056916A (en) | Optical axis adjusting system for lighting unit of vehicle | |
| CN111965769A (en) | Coupling lens capable of realizing light incidence and light return detection | |
| US5249073A (en) | Installation of optical components in an optical device | |
| US5033844A (en) | Camera employing automatic focusing unit | |
| CN216559643U (en) | Light beam collimating mechanism and lensmeter measuring system with same | |
| US5298736A (en) | Mirror collimator having a large aperture ratio | |
| CN220692519U (en) | Auxiliary assembling and adjusting structure and optical reflection cavity | |
| CN106443642B (en) | Coherent laser radar FC/APC fiber coupling receives and dispatches the Method of Adjustment of telescope off axis | |
| CN111768731A (en) | Projection color adjusting system and method thereof | |
| CN220207030U (en) | Multi-optical axis calibration device | |
| CN215914501U (en) | Endoscope structure with compensating mirror | |
| CN217034255U (en) | Phase method laser ranging optical system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |