CN216819950U

CN216819950U - Spherical lens cover with tangent plane

Info

Publication number: CN216819950U
Application number: CN202220406966.5U
Authority: CN
Inventors: 崔伟文
Original assignee: Aoi Electronics Shenzhen Ltd
Current assignee: Aoi Electronics Shenzhen Ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-06-24
Anticipated expiration: 2032-02-25

Abstract

The application relates to a spherical lens hood with a tangent plane, which comprises a mounting seat, a fixing ring and a dome light-transmitting sheet arranged between the mounting seat and the fixing ring in a sealing way; the dome light-transmitting sheet comprises a light-transmitting surface and tangent planes arranged on two opposite sides of the light-transmitting surface; be provided with the warp on the mount pad the window district and the symmetric distribution that light after the dome printing opacity piece refraction got into are in the extension district of window district both sides, the printing opacity face and two the tangent plane is in projection on the mount pad covers the window district with the extension district. Compared with a dome light-transmitting sheet with the same radius, the rectangular view field range which can be acquired by the camera is unchanged; meanwhile, the size of the whole dome light-transmitting sheet is reduced, so that the size of the mounting seat can be correspondingly reduced, the size and the weight of the whole spherical lens hood with a tangent plane are reduced, and the portable spherical lens hood is convenient to carry.

Description

Spherical lens cover with tangent plane

Technical Field

The application relates to the technical field of camera protection, in particular to a spherical lens hood with a tangent plane.

Background

With the development of photography culture, people pursue more excellent works, and a camera waterproof shell is usually arranged on a camera to protect the camera when the camera is shot in rainy days and underwater. Because the camera will be collocated multiple different camera lenses and shoot, consequently also set up corresponding interface on the camera waterproof cover, come the adaptation to protect different camera lenses through installing different camera lens protection covers in the interface to satisfy photographic demand. The interface on the camera waterproof case can be a groove clamping structure or a thread mounting structure.

When the camera is used for underwater photographing, the spherical lens is additionally arranged on the camera, so that the photographing visual field of the camera can be increased. At present, a full-circle spherical waterproof cover is adopted in the market, the deformation of shot scenes can be reduced by the spherical surface of the spherical waterproof cover, and the shooting quality is improved. However, as the radius of the spherical lens increases, the field of view captured by the camera becomes wider, and therefore a spherical waterproof cover having a larger radius is required, leading to an increase in the overall structure.

In view of the above-mentioned related art, the inventor thinks that when the spherical waterproof cover is used, the spherical waterproof cover has a problem that the whole volume is large, which causes inconvenience in carrying.

SUMMERY OF THE UTILITY MODEL

In order to reduce the whole volume of sphere buckler, this application provides a spherical lens cover of taking tangent plane.

The application provides a pair of spherical lens hood of taking tangent plane adopts following technical scheme:

a spherical lens cover with a tangent plane comprises a mounting seat, a fixing ring and a dome light-transmitting sheet arranged between the mounting seat and the fixing ring in a sealing manner; the dome light-transmitting sheet comprises a light-transmitting surface and tangent planes arranged on two opposite sides of the light-transmitting surface; be provided with the warp on the mount pad the window district and the symmetric distribution that light after the dome printing opacity piece refraction got into are in the extension district of window district both sides, the printing opacity face and two the tangent plane is in projection on the mount pad covers the window district with the extension district.

By adopting the technical scheme, the extension areas on the mounting seat are distributed on two opposite sides of the window area, so that the original annular extension area is reduced, an approximately rectangular mounting position is provided, and the space occupied by the mounting position in the prior art is reduced; when the dome light-transmitting sheet covers the extension area and the window area and is fixed on the mounting seat, the dome light-transmitting sheet is matched with the mounting seat; because the relative both sides of the light-transmitting surface of dome printing opacity piece have the tangent plane, compare again in the hemisphere buckler of equal radius, reduced the partial size of whole dome printing opacity piece to the size of mount pad also can obtain corresponding reduction, has finally reduced the volume and the weight of whole spherical lens hood of taking the tangent plane, portable.

Optionally, one side of the mounting seat, which is far away from the dome light-transmitting sheet, is provided with a mounting ring, the mounting ring is used for being fixedly connected with an interface of a camera waterproof shell, and an axis of the mounting ring is located in the center of the window area.

Through adopting above-mentioned technical scheme, take the spheroid lens cap of tangent plane to install on the camera waterproof case after, in the camera sensor in the camera waterproof case can be gone into from the collar to the light of the mirror refraction of dome printing opacity piece well to utilize the dome printing opacity piece to realize the imaging effect.

Optionally, the peripheral side of collar is gone up the symmetry and is provided with the stopper, the stopper is used for the joint to arrive in the recess of camera waterproof cover.

By adopting the technical scheme, when the spherical lens cover with the section is installed, the limiting block is clamped and matched with the groove of the camera waterproof shell so as to realize the quick fixed connection between the spherical lens cover with the section and the camera waterproof shell.

Optionally, a first sealing groove is further formed in the peripheral side of the mounting ring, a first sealing ring is arranged in the first sealing groove, and the first sealing ring is used for sealing the interface between the mounting ring and the camera waterproof case.

Through adopting above-mentioned technical scheme, take the spherical lens cover of tangent plane after installing on the interface of camera waterproof case, the collar can with the camera waterproof case between the interface have good leakproofness, when camera work is in the environment under water, first sealing washer can keep apart water, prevent that water from getting into the problem that causes the camera to damage in the camera waterproof case.

Optionally, an expansion groove is arranged on a side surface of the mounting seat, which faces away from the mounting ring, and along an edge of the window area, and the expansion groove and the mounting ring are located on the same axis; the opening of the expansion slot is gradually increased in a direction away from the mounting ring.

Through adopting above-mentioned technical scheme, after outside light got into the dome printing opacity piece, converge together gradually after the dome printing opacity piece refraction to in getting into the camera through the collar, the light entering scope that can increase light along the increasing groove that gradually enlarges in the direction of keeping away from the collar at the opening this moment, the light after improving the refraction probably is by the problem that window district edge blockked, further increases the shooting field of vision scope of camera.

Optionally, the distance between the two tangent planes gradually increases in a direction approaching the mounting seat.

Through adopting above-mentioned technical scheme, compare in the convex lens of original hemisphere shape, reduced the shared volume of calotte printing opacity piece to interval between two tangent planes increases gradually in the direction of being close to the mount pad, and two tangent planes have better support to the printing opacity face.

Optionally, the edge of the round roof light-transmitting piece is provided with a limiting ring, the mounting seat is provided with a limiting groove matched with the limiting ring, and the fixing ring is abutted against the limiting ring.

By adopting the technical scheme, the dome light-transmitting sheet can keep a relative position on the mounting seat by utilizing the matching action of the limiting groove and the limiting ring, the possibility of moving the dome light-transmitting sheet on the mounting seat is reduced, and the dome light-transmitting sheet is prevented from being damaged as much as possible; and the fixing ring is abutted against the limiting ring, so that the installation and fixation of the dome light-transmitting sheet on the installation seat are realized.

Optionally, a second sealing groove is formed in the bottom surface of the limiting groove, a second sealing ring is arranged in the second sealing groove, and the second sealing ring is used for sealing the mounting seat and the dome light-transmitting sheet.

By adopting the technical scheme, the dome light-transmitting sheet is assembled and fixed on the mounting seat through the fixing ring, and because of the manufacturing tolerance, the tolerance of the dome light-transmitting sheet and the like, a gap may exist between the dome light-transmitting sheet and the mounting seat, and water may enter between the mounting seat and the dome light-transmitting sheet in the underwater use process, so that the problem of damage to a camera can be caused; utilize the second sealing washer of spacing tank bottom surface, guarantee that there is better leakproofness between calotte printing opacity piece and the mount pad, avoid water to enter into the problem that causes the camera damage in the camera waterproof cover.

Optionally, a first light shielding plate is arranged on the fixing ring in an extending manner and close to the side edge of the tangent plane; the fixing ring is provided with a second shading plate in an extending mode close to two sides, far away from the extending areas, of the extending areas, and the height of the first shading plate is higher than that of the second shading plate.

By adopting the technical scheme, the edge of the dome light-transmitting sheet is shielded by the first light shielding plate and the second light shielding plate, and the height of the first light shielding plate is higher than that of the second light shielding plate, so that the problem of poor photographing quality of the camera caused by the fact that light rays are refracted from the edge of the dome light-transmitting sheet when the camera images finally is solved; simultaneously, first light screen and second light screen can also provide the position of a centre gripping, easy to assemble.

Optionally, a projection area of the first light shielding plate on the tangent plane is larger than an area of the tangent plane.

Through adopting above-mentioned technical scheme, utilize first light screen to shelter from the light of tangent plane department, the problem that camera imaging quality is not good appears on the surface that the calotte printing opacity piece is lighted to the light of alleviates light as far as possible.

In summary, the present application includes at least one of the following beneficial technical effects:

1. compared with a hemispherical dome light-transmitting sheet with the same radius, the rectangular view field range which can be acquired by the camera is unchanged; meanwhile, the size of the whole dome light-transmitting sheet is reduced, so that the size of the mounting seat can be correspondingly reduced, the size and the weight of the whole spherical lens hood with a section are reduced, and the portable spherical lens hood is convenient to carry;

2. after the waterproof shell is installed on a waterproof shell of a camera, the waterproof shell has better sealing performance, and the problem that the waterproof shell is filled with water when the waterproof shell is used underwater can be prevented;

3. can shelter from to the light at calotte printing opacity piece edge, alleviate the surface that light shines calotte printing opacity piece and the problem that camera imaging quality is not good appears.

Drawings

Fig. 1 is a schematic view of an overall structure of a spherical lens hood with a tangential plane in this embodiment.

Fig. 2 is a schematic cross-sectional view of the spherical lens cover with a tangent plane along the width direction of the mounting seat in the embodiment.

Fig. 3 is a schematic structural diagram of a mounting seat in a spherical lens hood with a tangent plane according to the embodiment.

Fig. 4 is a schematic cross-sectional view of the spherical lens cover with a tangent plane along the length direction of the mounting seat in the embodiment.

Fig. 5 is a partially enlarged schematic view of a portion a in fig. 4.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 4.

Description of reference numerals: 1. a mounting seat; 11. a window area; 12. an extension region; 13. a mounting ring; 131. A first seal groove; 132. a first seal ring; 133. a limiting block; 14. an augmentation tank; 15. a limiting groove; 151. a second seal groove; 152. a second seal ring; 2. a dome light transmissive sheet; 21. a light-transmitting surface; 22. cutting into noodles; 23. a limiting ring; 3. a fixing ring; 31. a first light shielding plate; 32. a second light shielding plate.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

In order to meet the requirements of photography in different environments, people usually attach a camera waterproof case to the camera in the water environment to protect the camera. Especially in seawater, in order to shoot a better image on the seabed, a camera is matched with a plurality of different lenses for shooting, so that a corresponding interface is also arranged on the waterproof shell of the camera, and different lens protective covers are arranged to adapt to different lenses so as to meet the requirement of shooting. The interface of camera waterproof cover generally sets up to groove structure or be helicitic texture, installs on the camera waterproof cover through in getting into the recess with the camera lens protection casing joint or screw thread to do water repellent, in order to satisfy waterproof demand.

When the camera is used for underwater photographing, the spherical lens is additionally arranged on the camera, so that the photographing visual field of the camera can be increased. At present, a spherical waterproof cover with a full circle is adopted in the market for installing a spherical lens of a camera, the deformation of shot scenes can be reduced by the spherical surface of the spherical waterproof cover, and the shooting quality is improved. However, the final imaging of the camera is rectangular, and the view field acquired by the camera is wider along with the increase of the radius of the spherical lens, so that a spherical waterproof cover with a larger radius is needed, the whole structure is enlarged, and the carrying is inconvenient.

The embodiment of the application discloses a spherical lens hood with a tangent plane.

Referring to fig. 1 and 2, the spherical lens cover with a cut surface includes a mount 1, a dome light-transmitting sheet 2, and a fixing ring 3. The dome light-transmitting sheet 2 is disposed between the mount 1 and the fixing ring 3, and the fixing ring 3 is fixedly connected to the mount 1. The dome light-transmitting sheet 2 includes a light-transmitting surface 21 and cut surfaces 22 provided at opposite sides of the light-transmitting surface 21, and the entire light-transmitting surface 21 is supported by the two cut surfaces 22. The distance between the two cut surfaces 22 increases gradually in the direction approaching the mounting seat 1. The light transmission surface 21 is convex, and the length direction of the light transmission surface 21 is the same as that of the mounting seat 1; and the projection of the light-transmitting surface 21 and the two cut surfaces 22 on the mount 1 covers the window area 11 and the extension area 12 so that the dome light-transmitting sheet 2 can be fitted to the mount 1. The two cut surfaces 22 are arranged so that the dome light-transmitting sheet 2 is formed in a rectangular shape in cross section from the original hemispherical shape in the direction of light vertical incidence. Compared with a hemispherical light-transmitting sheet with the same radius, the size of the whole dome light-transmitting sheet 2 is reduced, the size of the mounting seat 1 can be correspondingly reduced, the size and the weight of the whole spherical lens cover with a tangent plane are reduced, and the portable spherical lens cover is convenient to carry. The dome light-transmitting sheet 2 may be made of glass or transparent plastic to achieve better light refraction, and is preferably made of glass.

Referring to fig. 2 and 3, the mount 1 is provided with a window area 11 into which light refracted by the dome light-transmitting sheet 2 enters and extension areas 12 symmetrically distributed on both sides of the window area 11, and a projection of the dome light-transmitting sheet 2 on the mount 1 covers the window area 11 and the extension areas 12. The window area 11 is a through hole formed in the mounting base 1, and the through hole can transmit light refracted by the dome light-transmitting sheet 2 to a CMOS in the camera. The extension 12 is the portion of the mounting 1 that extends on both sides of the viewing area 11. The dome light-transmitting sheet 2 is fittingly mounted and fixed through the window area 11 of the mounting base 1 and the extension areas 12 symmetrically distributed on both sides of the window area 11.

Referring to fig. 3 and 4, the mount 1 includes a mounting ring 13. The mounting ring 13 is arranged on one surface of the mounting base 1 far away from the dome light-transmitting sheet 2, and the mounting ring 13 is used for fixedly connecting the spherical lens cover with the section with the interface of the camera waterproof shell. And the mounting ring 13 is communicated with the through hole on the mounting seat 1, and the axis of the mounting ring 13 is positioned at the center of the window area 11, so that light passing through the window area 11 can uniformly enter the camera, and the center stability of the picture of the final picture is realized.

The mounting seat 1 is further provided with an augmentation groove 14, the augmentation groove 14 is located on one side of the mounting seat 1 departing from the mounting ring 13, and the augmentation groove 14 is arranged along the edge of the window area 11. The slot 14 is identical to the mounting ring 13 and is coaxial therewith, the opening of the slot 14 increasing in the direction away from the mounting ring 13. After entering the dome light-transmitting sheet 2, the external light is refracted by the dome light-transmitting sheet 2 and then gradually converges in the window area 11. Since the opening of the expansion slot 14 is gradually enlarged in a direction away from the mounting ring 13, the light entering range is increased, and the problem that the refracted light may be blocked by the edge of the window area 11 is improved.

Referring to fig. 4 and 5, in the present embodiment, a first seal groove 131 is provided on the circumferential side of the mounting ring 13, a first seal ring 132 is provided in the first seal groove 131, and the thickness of the first seal ring 132 is thicker than the depth of the first seal groove 131 so that the first seal ring 132 can be exposed on the circumferential side of the mounting ring 13. In the interface installation process of carrying out collar 13 and camera buckler, deformation can take place for first sealing washer 132 to realize the sealed between the interface of collar 13 and camera buckler, prevent that the camera buckler from intaking when using under water. The side of the mounting ring 13 is symmetrically provided with a limiting block 133, and the limiting block 133 is matched with a groove on the camera waterproof shell to realize the quick fixation between the spherical lens cover with a tangent plane and the interface of the camera waterproof shell. In other embodiments, the circumferential side of the mounting ring 13 may also be provided with threads, and the threads are matched to fit the interfaces on different waterproof camera cases.

Referring to fig. 4 and 6, a limiting groove 15 is further formed in one side of the mounting base 1 away from the mounting ring 13, a limiting ring 23 which is matched with the limiting groove 15 is arranged at the edge of the dome light-transmitting sheet 2, and the movement of the dome light-transmitting sheet 2 is limited by the limiting groove 15. The fixing ring 3 is arranged above the limiting groove 15, and the dome light-transmitting sheet 2 is fixed by abutting the fixing ring 3 and the limiting ring 23. In this embodiment, fixed ring 3 passes through the bolt setting on mount pad 1, and the washing is changed to calotte printing opacity piece 2 to the convenience.

Still be provided with second seal groove 151 in the bottom of spacing groove 15, be provided with second sealing washer 152 in the second seal groove 151, the thickness of second sealing washer 152 will be thicker than the degree of depth of second seal groove 151 for when spacing ring 23 is located spacing groove 15, under solid fixed ring 3's butt effect, second sealing washer 152 can take place deformation, thereby realizes better sealed effect.

Referring to fig. 1 and 2, the fixing ring 3 is provided with a first light shielding plate 31 and a second light shielding plate 32, and both the first light shielding plate 31 and the second light shielding plate 32 are disposed on an end surface of the fixing ring 3 away from the dome light-transmitting sheet 2. In the embodiment, the first light shielding plate 31 is extended and disposed at the side of the fixing ring 3 close to the tangent plane 22; the second shading plates 32 extend and are arranged on two sides of the fixing ring 3 close to the two extending areas 12 and far away from each other; and the height of the first light shielding plate 31 is higher than that of the second light shielding plate 32. First light screen 31 and second light screen 32 end to end for first light screen 31 and second light screen 32 structure are comparatively stable, and first light screen 31 and second light screen 32 can also provide the position of a centre gripping, conveniently install the spherical lens hood of taking the tangent plane. The first light shading plate 31 and the second light shading plate 32 shade the edge of the dome light-transmitting sheet 2, and the problem that the imaging quality of a camera is not good due to the fact that the surface of the dome light-transmitting sheet 2 is illuminated by light rays is relieved. The height of the first light shielding plate 31 is lower than that of the second light shielding plate 32, so that light entering the camera from the vertical dome light-transmitting sheet 2 in the length direction is reduced.

The implementation principle of the embodiment of the application is as follows: according to the picture scale of the camera, the dome light-transmitting sheet 2 on the spherical lens cover with the section is cut off to form two sections 22 and a convex light-transmitting surface 21. And the dome light-transmitting sheet 2 is fixed on the mount 1. Dome printing opacity piece 2 and mount pad 1 looks adaptation this moment has formed the dome printing opacity piece 2 that the cross-section is approximately rectangular form in the light vertical incidence direction, compares in the hemispherical convex lens of equal radius, and the reduction has taken place for the size of whole dome printing opacity piece 2, and then makes the volume of mount pad 1 reduce, has lightened weight.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a take spherical lens cover of tangent plane which characterized in that: the light-transmitting dome lamp comprises a mounting seat (1), a fixing ring (3) and a light-transmitting dome sheet (2) which is hermetically arranged between the mounting seat (1) and the fixing ring (3); the fixing ring (3) is fixedly connected with the mounting seat (1), and the dome light-transmitting sheet (2) comprises a light-transmitting surface (21) and tangent planes (22) arranged on two opposite sides of the light-transmitting surface (21); be provided with the warp on mount pad (1) window district (11) and the symmetric distribution that light after dome printing opacity piece (2) refraction got into are in extension district (12) of window district (11) both sides, light-transmitting surface (21) and two tangent plane (22) are in projection on mount pad (1) covers window district (11) with extension district (12).

2. The spherical lens cover with tangential surface as claimed in claim 1, wherein: mounting seat (1) is kept away from the one side of dome printing opacity piece (2) is provided with collar (13), collar (13) are used for the interface fixed connection with the camera waterproof cover, the axis of collar (13) is located the center of window district (11).

3. The spherical lens cover with tangential surface as claimed in claim 2, wherein: the side of week of collar (13) goes up the symmetry and is provided with stopper (133), stopper (133) are used for the joint to the recess of camera waterproof cover in.

4. The spherical lens cover with tangential surface as claimed in claim 2, wherein: still be provided with first seal groove (131) on the week side of collar (13), be provided with first sealing washer (132) in first seal groove (131), first sealing washer (132) are used for sealing interface on collar (13) and the camera waterproof cover.

5. The spherical lens cover with tangential surface as claimed in claim 2, wherein: an expansion groove (14) is arranged on the side surface of the mounting seat (1) which is away from the mounting ring (13) and along the edge of the window area (11), and the expansion groove (14) and the mounting ring (13) are in the same axis; the opening of the expansion groove (14) is gradually increased in a direction away from the mounting ring (13).

6. The spherical lens cover with tangential surface as claimed in claim 1, wherein: the distance between the two tangent planes (22) is gradually increased in the direction close to the mounting seat (1).

7. The spherical lens cover with tangential surface as claimed in claim 1, wherein: the edge of dome printing opacity piece (2) is provided with spacing ring (23), be provided with on mount pad (1) with spacing ring (23) complex spacing groove (15), gu fixed ring (3) with spacing ring (23) butt.

8. The spherical lens cover with tangential surface as claimed in claim 7, wherein: the bottom surface of spacing groove (15) is provided with second seal groove (151), be provided with second sealing washer (152) in second seal groove (151), second sealing washer (152) are used for sealing mount pad (1) with dome printing opacity piece (2).

9. The spherical lens cover with tangential surface as claimed in claim 1, wherein: a first shading plate (31) extends from the side edge of the fixing ring (3) close to the tangent plane (22); the fixing ring (3) is provided with second light shielding plates (32) in an extending manner close to two opposite sides of the extending area (12), and the height of the first light shielding plate (31) is higher than that of the second light shielding plates (32).

10. The spherical lens cover with tangential surface as claimed in claim 9, wherein: the projection area of the first light shielding plate (31) on the tangent plane (22) is larger than the area of the tangent plane (22).