CN112504219A - High-precision camera adjusting mechanism and range finder - Google Patents

High-precision camera adjusting mechanism and range finder Download PDF

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Publication number
CN112504219A
CN112504219A CN202011279602.7A CN202011279602A CN112504219A CN 112504219 A CN112504219 A CN 112504219A CN 202011279602 A CN202011279602 A CN 202011279602A CN 112504219 A CN112504219 A CN 112504219A
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camera module
elastic piece
camera
cavity
piece
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CN112504219B (en
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赵瑞东
庄所增
周光海
潘伟锋
吴贤文
陈奕均
黄海锋
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South Surveying & Mapping Technology Co ltd
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South GNSS Navigation Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00Measuring distances in line of sight; Optical rangefinders
    • G01C3/02Details

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  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
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  • Radar, Positioning & Navigation (AREA)
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Abstract

本发明公开了一种高精度摄像头调节机构,涉及测距设备领域,包括摄像头模组和壳体,所述壳体设置有容纳摄像头模组的空腔,所述摄像头模组安装到空腔内,所述摄像头模组与空腔之间设置有调节弹片,所述调节弹片包括第一弹片和第二弹片,所述第一弹片与第二弹片连接成L形状。本发明还公开一种测距仪。该高精度摄像头调节机构能实现摄像头模组光轴中心线在水平和垂直两个方向的调整。

Figure 202011279602

The invention discloses a high-precision camera adjustment mechanism, which relates to the field of ranging equipment, comprising a camera module and a casing, wherein the casing is provided with a cavity for accommodating the camera module, and the camera module is installed in the cavity An adjustment elastic piece is arranged between the camera module and the cavity, the adjustment elastic piece includes a first elastic piece and a second elastic piece, and the first elastic piece and the second elastic piece are connected to form an L shape. The invention also discloses a range finder. The high-precision camera adjustment mechanism can realize the adjustment of the center line of the optical axis of the camera module in both horizontal and vertical directions.

Figure 202011279602

Description

High-precision camera adjusting mechanism and range finder
Technical Field
The invention relates to the field of distance measuring equipment, in particular to a high-precision camera adjusting mechanism and a distance measuring instrument.
Background
At present, high-precision distance measurement is widely applied in the field of measurement, and measurement is carried out along with different distances, if a light path emitted by a laser emitter is taken as a reference, the distance between the light path emitted by the laser emitter and a horizontal line passing through an optical center of an image is a constant value, so that the measurement is significant, namely, a scene of a measured point is taken by distance measurement equipment possibly, if the light path is not parallel, the light path emitted by the laser emitter shifts outside the optical center along with the increase of the measurement distance and even is not in the range of the image, and therefore, the light path of the optical center of the image is ensured to be parallel to the light path emitted by the laser emitter as much as possible, which is very important. In addition, if the distance coordinates of the object can be recorded while the object is seen, and the scene of the target point can be photographed, it is undoubtedly a good choice for the user.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the objects of the present invention is to provide a high-precision camera adjusting mechanism, which can realize the adjustment of the optical axis center line of the camera module in both horizontal and vertical directions.
The invention is realized by adopting the following technical scheme:
a high-precision camera adjusting mechanism comprises a camera module and a shell, wherein the shell is provided with a cavity for accommodating the camera module, the camera module is arranged in the cavity, an adjusting elastic sheet is arranged between the camera module and the cavity and comprises a first elastic sheet and a second elastic sheet, the first elastic sheet and the second elastic sheet are connected into an L shape, a first extending sheet inclining towards the camera module is arranged behind the first elastic sheet, a second extending sheet inclining towards the camera module is arranged behind the second elastic sheet, the first extending sheet is abutted against a backward region in the middle of the top surface of the camera module, the second extending sheet is abutted against a backward region in the middle of the side surface of the camera module, a first machine meter screw and a second machine meter screw are respectively arranged on the bottom surface and the side surface of the shell, and the first machine meter screw and the second machine meter screw penetrate through the bottom surface and the side surface of the shell, the camera module is characterized in that the first machine meter screw is abutted against the bottom surface of the camera module, the second machine meter screw is abutted against the side surface of the camera module far away from the second elastic sheet, the top surface of the cavity and the side surface of the camera module far away from the first machine meter screw are respectively provided with a first bulge and a second bulge, the first bulge is located on the front side of the top of the camera module, and the second bulge is located on the front side of the side surface of the camera module far away from the first machine meter screw.
Preferably, the bottom surface inside the cavity and the side surface close to the first machine meter screw are respectively provided with a third protrusion and a fourth protrusion, the third protrusion is located on the rear side of the bottom of the camera module, and the fourth protrusion is located on the rear side of the side surface, close to the first machine meter screw, of the camera module.
Preferably, the first elastic sheet is attached to the first protrusion, and the second elastic sheet is attached to the second protrusion.
Preferably, the first machine meter screw is located below the center of the bottom surface of the camera module, and the second machine meter screw is located outside the center of the side surface of the camera module.
Preferably, the width of the first elastic sheet and the width of the second elastic sheet are both smaller than the width of the camera module.
Preferably, one end, away from the second elastic sheet, of the first elastic sheet is provided with a first arc-shaped part, one end, away from the first elastic sheet, of the second elastic sheet is provided with a second arc-shaped part, a third arc-shaped part is arranged between the first elastic sheet and the second elastic sheet, and the first elastic sheet is connected with the second elastic sheet through the third arc-shaped part.
Preferably, a first space, a second space and a third space are arranged in the cavity, and the first space, the second space and the third space are respectively used for accommodating the first arc-shaped part, the second arc-shaped part and the third arc-shaped part.
Preferably, a first blocking block and a second blocking block which are used for blocking the camera module from falling from the front of the cavity are arranged in front of the first elastic sheet and the second elastic sheet respectively.
Preferably, the first stopper and the second stopper are both disposed to be inclined outward.
It is another object of the present invention to provide a rangefinder.
The utility model provides a range finder, includes laser emitter, long burnt camera and reaches as above-mentioned high accuracy camera adjustment mechanism, laser emitter and long burnt camera are installed on the casing, the camera module is wide angle camera module.
Compared with the prior art, the invention has the beneficial effects that: the distance measuring instrument provided by the invention finely adjusts the camera module in a three-dimensional space by means of a mechanical principle, can realize the transformation of the upper light and the lower light of the camera module by adjusting the first screw, and can realize the transformation of the left light and the right light of the camera module by adjusting the second screw, thereby realizing the adjustment of the horizontal direction and the vertical direction of the central line of the optical axis of the camera module, and ensuring that the light path emitted by a laser emitter is parallel to the central line of the optical axis of the camera module when used at a distance measuring point beyond 20 meters; the distance meter provided by the invention is matched with standard testing equipment for rechecking, the distance between the laser transmitter and the center line of the optical axis of the camera module can be adjusted to be a constant value, and algorithm compensation is carried out through software, so that the high-precision operation requirement of a distance measuring point is met.
Drawings
Fig. 1 is a schematic structural diagram of a distance meter according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a range finder according to an embodiment of the present invention with its components separated.
Fig. 3 is an initial state diagram of the camera module in the embodiment of the present invention for realizing the adjustment of the optical axis center line in the vertical direction.
Fig. 4 is a first state diagram of the camera module according to the embodiment of the present invention, in which the optical axis center line is adjusted in the vertical direction.
Fig. 5 is a second state diagram of the camera module according to the embodiment of the present invention, in which the optical axis center line is adjusted in the vertical direction.
Fig. 6 is a third state diagram of the camera module according to the embodiment of the present invention, in which the optical axis center line is adjusted in the vertical direction.
Fig. 7 is a fourth state diagram of the camera module according to the embodiment of the present invention, in which the optical axis center line is adjusted in the vertical direction.
Fig. 8 is a fifth state diagram of the camera module according to the embodiment of the present invention, in which the optical axis center line is adjusted in the vertical direction.
Fig. 9 is an initial state diagram of the optical axis center line of the camera module implementing horizontal direction adjustment in the embodiment of the present invention.
FIG. 10 is a partial schematic view of a rangefinder in accordance with an embodiment of the present invention.
Fig. 11 is a schematic diagram of the light path emitted by the laser transmitter being parallel to the optical axis center line of the camera module.
FIG. 12 is a schematic diagram of the non-parallel of the laser transmitter emission path and the camera module optical axis centerline.
Reference numerals: 1. a laser transmitter; 2. a tele camera; 3. a camera module; 4. a housing; 5. a cavity; 6. adjusting the elastic sheet; 7. a first spring plate; 8. a second elastic sheet; 9. a first arcuate member; 10. a second arcuate member; 11. a third arcuate member; 12. a first space; 13. a second space; 14. a third space; 15. a first extension piece; 16. a second extension piece; 17. a first stopper; 18. a second stopper; 19. a first motor meter screw; 20. a second machine screw; 21. a third protrusion; 22. a first protrusion; 23. a fourth protrusion; 24. A second protrusion.
Detailed Description
The technical solution provided by the invention is explained in more detail below with reference to fig. 1-12.
As shown in fig. 1-12, embodiments of the present invention provide a range finder. This distancer includes laser emitter 1, long burnt camera 2 and high accuracy camera adjustment mechanism.
High accuracy camera adjustment mechanism includes camera module 3 and casing 4, and this camera module 3 is wide angle camera module, and casing 4 is provided with cavity 5 that holds camera module 3, and camera module 3 is installed in cavity 5. The laser emitter 1 and the tele camera 2 are both mounted on the housing 4.
Be provided with between camera module 3 and the cavity 5 and adjust shell fragment 6, it includes first shell fragment 7 and second shell fragment 8 to adjust shell fragment 6, first shell fragment 7 connects into the L shape with second shell fragment 8, specifically, the one end that second shell fragment 8 was kept away from to first shell fragment 7 is provided with first arc 9, the one end that first shell fragment 7 was kept away from to second shell fragment 8 is provided with second arc 10, be provided with third arc 11 between first shell fragment 7 and the second shell fragment 8, first shell fragment 7 is connected through third arc 11 with second shell fragment 8 and constitutes L shape structure. The adjusting elastic sheet 6 is arranged in the cavity 5, a first space 12, a second space 13 and a third space 14 are arranged in the cavity 5, and the first space 12, the second space 13 and the third space 14 are respectively used for accommodating the first arc-shaped part 9, the second arc-shaped part 10 and the third arc-shaped part 11. The rear of first shell fragment 7 is provided with the first piece 15 that extends towards the slope of camera module 3, and the rear of second shell fragment 8 is provided with the second piece 16 that extends towards the slope of camera module 3, and the first regional butt that extends 15 and camera module 3's top surface middle part backward, the second extend the regional butt that 16 and camera module 3's side middle part backward. The first elastic sheet 7 and the second elastic sheet 8 are respectively provided with a first blocking block 17 and a second blocking block 18 which are used for blocking the camera module 3 from falling from the front of the cavity 5, and the first blocking block 17 and the second blocking block 18 are both arranged in an outward inclined mode.
4 bottom surfaces and the side of casing are provided with first machine rice screw 19 and second machine rice screw 20 respectively, first machine rice screw 19 and second machine rice screw 20 run through the bottom surface and the side of casing 4, first machine rice screw 19 and the 3 bottom surface butt of camera module, the side butt that second shell fragment 8 was kept away from to second machine rice screw 20 and camera module 3, the 5 top surfaces of cavity and the side of keeping away from first machine rice screw 19 are provided with first arch 22 and second arch 24 respectively, camera module 3 installs behind the cavity 5, first arch 22 is located camera module 3 top front side, second arch 24 is located camera module 3 and keeps away from the side front side of first machine rice screw 19. The inside bottom surface of cavity 5 and the side that is close to first machine rice screw 19 are provided with third arch 21 and fourth arch 23 respectively, and behind cavity 5 was installed to camera module 3, third arch 21 was located camera module 3 bottom rear side, and fourth arch 23 is located camera module 3 and is close to the side rear side of first machine rice screw 19. The first elastic sheet 7 is attached to the first protrusion 22, and the second elastic sheet 8 is attached to the second protrusion 24. The first machine meter screw 19 is located below the center of the bottom surface of the camera module 3, and the second machine meter screw 20 is located outside the center of the side surface of the camera module 3. The width of the first elastic sheet 7 and the width of the second elastic sheet 8 are both smaller than the width of the camera module 3.
The working principle of the range finder of the embodiment is as follows: in order to make the optical axis center line of the camera module 3 of the distance measuring instrument parallel to the optical path emitted by the laser emitter, the distance measuring instrument of this embodiment adjusts the three-dimensional space of the camera module 3 by means of the mechanics principle, as shown in fig. 5, the first meter screw 19 is adjusted to move upwards, the first meter screw 19 pushes the camera module 3, the camera module 3 is subjected to an upward force, because one side of the top of the camera module 3 is blocked by the first extending piece 15, the camera module 3 gradually tilts towards the side which is not blocked by the first extending piece 15 along with the upward movement of the first meter screw 19, the third protrusion 21 supports the camera module 3, as shown in fig. 6, the first meter screw 19 continues to move upwards, when the camera module 3 tilts to a certain degree, the camera module 3 touches the first elastic sheet 7, and the first elastic sheet 7 blocks the camera module 3, at this moment, camera top both sides have all received the effect of blockking, as shown in fig. 7, adjust first machine rice screw 19 and continue to go upward, because first arch 22 plays the effect of blockking to the front side of first shell fragment 7, camera module 3 can promote first extension piece 15 to take place to warp, third arch 21 is left to the bottom of camera module 3, as shown in fig. 8, it goes upward to continue adjusting first several meters screw, first shell fragment 7 can take place to warp, camera module 3 can be inclined to the opposite side gradually, make camera module 3's optical axis central line carry out decurrent removal, thereby the adjustment of camera module 3 optical axis central line in the vertical direction has been realized, and in the same way, adjust second machine rice screw 20 and can realize camera module 3 optical axis central line at the adjustment of horizontal direction.
Camera module 3's length, width and height are 8.5mm respectively, 8.5mm and 6.2mm, casing 4's length, width and height are 50mm respectively, 44mm and 27mm, the distancer of this embodiment is used for the distance measuring point beyond 20 meters also can guarantee that the light path that laser emitter sent is parallel with 3 optical axis central lines of camera module, through the distancer of this embodiment, the test equipment of deuterogamy standard carries out the reinspection, can be a definite value constant with the distance adjustment between laser emitter and the camera module optical axis central line, carry out the algorithm compensation through software, thereby the high accuracy operation demand of distance measuring point has been realized.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (10)

1.一种高精度摄像头调节机构,其特征在于:包括摄像头模组和壳体,所述壳体设置有容纳摄像头模组的空腔,所述摄像头模组安装到空腔内,所述摄像头模组与空腔之间设置有调节弹片,所述调节弹片包括第一弹片和第二弹片,所述第一弹片与第二弹片连接成L形状,所述第一弹片的后方设置有朝向摄像头模组倾斜的第一延伸片,所述第二弹片的后方设置有朝向摄像头模组倾斜的第二延伸片,所述第一延伸片与摄像头模组的顶面中部往后的区域抵接,所述第二延伸片与摄像头模组的侧面中部往后的区域抵接,所述壳体底面和侧面分别设置有第一机米螺丝和第二机米螺丝,所述第一机米螺丝和第二机米螺丝贯穿壳体的底面和侧面,所述第一机米螺丝与摄像头模组底面抵接,所述第二机米螺丝与摄像头模组远离第二弹片的侧面抵接,所述空腔顶面和远离第一机米螺丝的侧面分别设置有第一凸起和第二凸起,所述第一凸起位于摄像头模组顶部前侧,所述第二凸起位于摄像头模组远离第一机米螺丝的侧面前侧。1. A high-precision camera adjustment mechanism is characterized in that: comprising a camera module and a casing, the casing is provided with a cavity for accommodating a camera module, the camera module is installed in the cavity, and the camera is An adjusting elastic piece is arranged between the module and the cavity. The adjusting elastic piece includes a first elastic piece and a second elastic piece. The first elastic piece and the second elastic piece are connected to form an L shape. The first extension piece of the module is inclined, the rear of the second elastic piece is provided with a second extension piece inclined toward the camera module, and the first extension piece is in contact with the area behind the middle of the top surface of the camera module, The second extension piece is in contact with the area behind the middle of the side of the camera module, the bottom surface and the side of the casing are respectively provided with a first machine screw and a second machine screw, the first machine screw and The second machine screw penetrates the bottom and side surfaces of the casing, the first machine screw is in contact with the bottom surface of the camera module, the second machine screw is in contact with the side of the camera module away from the second elastic sheet, the The top surface of the cavity and the side away from the first machine screw are respectively provided with a first protrusion and a second protrusion, the first protrusion is located on the front side of the top of the camera module, and the second protrusion is located on the camera module Away from the side front side of the first machine meter screw. 2.根据权利要求1所述的高精度摄像头调节机构,其特征在于:所述空腔内部底面和靠近第一机米螺丝的侧面分别设置有第三凸起和第四凸起,所述第三凸起位于摄像头模组底部后侧,所述第四凸起位于摄像头模组靠近第一机米螺丝的侧面后侧。2. The high-precision camera adjustment mechanism according to claim 1, wherein the bottom surface of the cavity and the side surface close to the first machine screw are respectively provided with a third protrusion and a fourth protrusion, and the first The three protrusions are located on the rear side of the bottom of the camera module, and the fourth protrusion is located on the side rear side of the camera module close to the first machine screw. 3.根据权利要求1所述的高精度摄像头调节机构,其特征在于:所述第一弹片与第一凸起相贴设置,所述第二弹片与第二凸起相贴设置。3 . The high-precision camera adjustment mechanism according to claim 1 , wherein the first elastic piece is arranged in contact with the first protrusion, and the second elastic piece is arranged in contact with the second protrusion. 4 . 4.根据权利要求1所述的高精度摄像头调节机构,其特征在于:所述第一机米螺丝位于摄像头模组的底面中心下方,所述第二机米螺丝位于摄像头模组的侧面中心外侧。4. The high-precision camera adjustment mechanism according to claim 1, wherein the first machine screw is located below the center of the bottom surface of the camera module, and the second machine screw is located outside the side center of the camera module . 5.根据权利要求1所述的高精度摄像头调节机构,其特征在于:所述第一弹片的宽度与第二弹片的宽度均小于摄像头模组的宽度。5 . The high-precision camera adjustment mechanism according to claim 1 , wherein the width of the first elastic piece and the width of the second elastic piece are both smaller than the width of the camera module. 6 . 6.根据权利要求1所述的高精度摄像头调节机构,其特征在于:所述第一弹片远离第二弹片的一端设置有第一弧形件,所述第二弹片远离第一弹片的一端设置有第二弧形件,所述第一弹片与第二弹片之间设置有第三弧形件,所述第一弹片与第二弹片通过第三弧形件连接。6 . The high-precision camera adjusting mechanism according to claim 1 , wherein a first arc-shaped member is provided at one end of the first elastic piece away from the second elastic piece, and an end of the second elastic piece away from the first elastic piece is provided with 6 . There is a second arc-shaped piece, a third arc-shaped piece is arranged between the first elastic piece and the second elastic piece, and the first elastic piece and the second elastic piece are connected by the third arc-shaped piece. 7.根据权利要求6所述的高精度摄像头调节机构,其特征在于:所述空腔内部设置有第一空间、第二空间和第三空间,所述第一空间、第二空间和第三空间分别用于容纳第一弧形件、第二弧形件和第三弧形件。7 . The high-precision camera adjustment mechanism according to claim 6 , wherein a first space, a second space and a third space are arranged inside the cavity, and the first space, the second space and the third space are arranged inside the cavity. 8 . The spaces are respectively used to accommodate the first arc-shaped piece, the second arc-shaped piece and the third arc-shaped piece. 8.根据权利要求1所述的高精度摄像头调节机构,其特征在于:所述第一弹片和第二弹片的前方分别设置有用于阻挡摄像头模组从空腔前方掉落的第一阻挡块和第二阻挡块。8 . The high-precision camera adjustment mechanism according to claim 1 , wherein a first blocking block and a first blocking block for preventing the camera module from falling from the front of the cavity are respectively provided in front of the first elastic piece and the second elastic piece. 9 . second blocking block. 9.根据权利要求8所述的高精度摄像头调节机构,其特征在于:所述第一阻挡块和第二阻挡块均向外侧倾斜设置。9 . The high-precision camera adjustment mechanism according to claim 8 , wherein the first blocking block and the second blocking block are inclined to the outside. 10 . 10.一种测距仪,其特征在于:包括激光发射器、长焦摄像头及如权利要求1-9任一项所述的高精度摄像头调节机构,所述激光发射器和长焦摄像头安装在壳体上,所述摄像头模组为广角摄像头模组。10. A rangefinder, characterized in that it comprises a laser transmitter, a telephoto camera, and a high-precision camera adjustment mechanism according to any one of claims 1-9, wherein the laser transmitter and the telephoto camera are mounted on the On the casing, the camera module is a wide-angle camera module.
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CN214066036U (en) * 2020-11-16 2021-08-27 广州南方卫星导航仪器有限公司 A high-precision camera adjustment mechanism and rangefinder

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN114871603A (en) * 2022-05-24 2022-08-09 深圳市大族半导体装备科技有限公司 Switching device

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