CN216437282U

CN216437282U - Lens module and camera

Info

Publication number: CN216437282U
Application number: CN202122530950.3U
Authority: CN
Inventors: 金森
Original assignee: Zhejiang Dahua Technology Co Ltd
Current assignee: Zhejiang Dahua Technology Co Ltd
Priority date: 2021-10-20
Filing date: 2021-10-20
Publication date: 2022-05-03
Anticipated expiration: 2031-10-20

Abstract

The utility model relates to a lens module and a camera, wherein the lens module comprises a first bracket, a second bracket, a first lens and a second lens; the first lens is fixedly arranged on a first bracket, and the first bracket is used for being fixedly arranged on external equipment; the second lens is fixedly arranged on the second bracket; the second mount is positionally mounted to the first mount such that the relative position of the first lens and the second lens on the external device is determined. Among the above-mentioned lens module, the relative position of first camera lens and first support is confirmed, the relative position of second camera lens and second support is confirmed, then, when second support location installation to first support, the relative position of second support and first support is confirmed, thereby the relative position of first camera lens and second camera lens is confirmed, finally, with first support and second support integral erection to external equipment, the installation is simple swift, reduce the error of the relative position between two camera lenses, the shooting effect when promoting two camera lenses linkage.

Description

Lens module and camera

Technical Field

The utility model relates to a video monitoring technology field especially relates to a lens module and camera.

Background

The existing camera can meet more requirements through intelligent linkage of two lenses for better improving the photographing effect. When the double lenses are assembled, the two lenses are usually focused and calibrated respectively, and then the two lenses are independently installed in the camera respectively, certain errors exist in the relative positions of the two lenses, and repeated alignment is needed during installation, so that the process is complex.

And two lenses are fixedly arranged on a base by a part of cameras, but different lens focal lengths are different, so that the base cannot be adjusted according to the focal lengths of the lenses, and the lens shooting effect is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a lens module in order to solve the above problems, wherein the relative positions of two lenses of the lens module are determined, and the error is small, so as to ensure a good shooting effect.

The utility model provides a lens module, which comprises a first bracket, a second bracket, a first lens and a second lens; the first lens is fixedly arranged on the first bracket, and the first bracket is used for being fixedly arranged on external equipment; the second lens is fixedly arranged on the second bracket; the second mount is positionally mounted to the first mount such that the relative position of the first lens and the second lens on the external device is determined.

In the lens module, when the first lens is fixedly installed on the first support, the relative position of the first lens and the first support is determined, when the second lens is fixedly installed on the second support, the relative position of the second lens and the second support is determined, then, when the second support is fixedly installed on the first support, the relative position of the second support and the first support is determined, so that the relative position of the first lens and the second lens is determined through positioning installation between the two supports, in this way, when the first support and the second support are integrally installed on external equipment, the relative positions of the two lenses on the external equipment do not need to be adjusted repeatedly, the installation process is simple and fast, the error of the relative positions between the two lenses is reduced, and the shooting effect during linkage of the two lenses is improved.

In one embodiment, the first lens is fixedly mounted with an optical axis parallel to a first predetermined direction, and the second lens is fixedly mounted with an optical axis parallel to a second predetermined direction, the first predetermined direction being parallel to the second predetermined direction.

The arrangement enables the shooting pictures of the first lens and the second lens to be basically consistent.

In one embodiment, the first lens is a zoom lens, and the second lens is a fixed focus lens.

In one embodiment, the first bracket comprises a first installation part, the second bracket comprises a second installation part, an installation space is formed between the first installation part and the second installation part, the first lens is located in the installation space, and part of the first lens is exposed out of the installation space.

So set up, installation space is convenient for the user and installs first camera lens, and first camera lens respectively with first installation department and second installation department fixed connection, can improve the stability of first camera lens, prevents that first camera lens is not hard up to guarantee to shoot the effect.

In one embodiment, a first positioning connecting portion is arranged on the first mounting portion, a second positioning connecting portion is arranged on the second mounting portion, and the second bracket can be positioned and mounted on the first bracket through the matching connection of the first positioning connecting portion and the second positioning connecting portion.

So set up, first location connecting portion correspond the setting with second location connecting portion, and the user of being convenient for is accurate when the assembly counterpoints, improves the installation accuracy between first support and the second support.

In one embodiment, the second bracket further comprises a third installation part, the third installation part extends in the direction away from the first bracket from the outside of the installation space, a through hole is formed in the third installation part, and the second lens is fixedly installed on the third installation part and partially penetrates through the through hole.

So set up, when the third installation department made the second camera lens can fix a position the installation, guarantee the stability of second camera lens to guarantee the shooting effect.

In one embodiment, a fool-proof piece is arranged on the third mounting part.

So set up, be convenient for the user to assemble the second camera lens on third installation department.

In one embodiment, a first connecting piece is disposed at an end of the first support close to the first lens side, a second connecting piece is disposed at an end of the second support close to the second lens side, the first connecting piece and the second connecting piece are both used for being fixedly mounted to the external device, and in a mounted state, end faces of the first connecting piece and the second connecting piece are flush with each other.

So set up, can be convenient for the user pass through first connecting piece and second connecting piece location installation to the camera on with first support and second support, the relative definite position when guaranteeing that camera lens module group integral erection is equipment to guarantee that first camera lens and second camera lens and camera's relative position are definite.

In one embodiment, the first support comprises a fixing part, and the fixing part is obliquely arranged at one end of the first support, which is relatively far away from the second lens and close to the back surface of the first lens; the lens module further comprises a heat dissipation piece, the heat dissipation piece is fixedly arranged on the fixing portion, and the air outlet area of the heat dissipation piece covers the first lens and the second lens.

So set up, the air-out region of radiating piece covers first camera lens and second camera lens to can prevent that two camera lenses high temperature from influencing equipment normal operating.

The utility model also provides a camera, including foretell camera lens module.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a lens module according to the present invention;

fig. 2 is a schematic perspective view of fig. 1 at another angle according to the present invention;

fig. 3 is a schematic perspective view of a first bracket according to the present invention;

fig. 4 is a schematic perspective view of a second bracket according to the present invention;

fig. 5 is the air-out path diagram of the heat sink provided by the present invention.

Description of the main elements

1. A first bracket; 11. a first mounting portion; 111. a first side plate; 112. a second side plate; 12. a first positioning connection part; 13. a first connecting member; 14. a fixed part; 15. a connecting portion; 2. a second bracket; 21. a second mounting portion; 211. a third side plate; 212. a fourth side plate; 22. a second positioning connection part; 23. a third mounting portion; 24. a through hole; 25. a fool-proof piece; 26. a second connecting member; 3. a first lens; 31. a first lens body; 32. a first main board; 4. a second lens; 41. a second lens body; 42. a second main board; 5. an installation space; 6. a heat sink; 71. a first fastener; 72. a second fastener; 73. and a third fastener.

The present invention is described in further detail with reference to the drawings and the detailed description.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

When assembling the dual lenses in the related prior art, two lenses are usually mounted on two separate brackets, and the two lenses are focused and calibrated to form two lens modules, and then the two lens modules are mounted in the camera respectively. Because the lens module has certain error when being installed in the camera and certain error is inevitable when the lens module is installed on the corresponding support, the accumulated error can influence the relative position relationship between the two lenses in the camera. And the relative position between the two lenses can not be ensured to influence the optical axes of the two lenses, so that the picture movement and the deviation of the object after the detail amplification can occur during the intelligent zoom and the linkage of the two lenses. In addition, some cameras have two lenses fixedly mounted on a base, but different focal lengths of the lenses are different, so that the base cannot be adjusted according to the focal lengths of the lenses, which also results in poor shooting effect when the two lenses are linked.

In order to solve the above problem, as shown in fig. 1 to 5, the utility model provides a lens module, two lenses in this lens module are installed respectively to two supports on, and two supports are fixed relative positioning installation earlier, form a holistic lens module, install this holistic lens module to the camera in again to reduce the error of the relative position between two lenses, the shooting effect when promoting two lens linkages.

As shown in fig. 1 to 2, specifically, the lens module includes a first bracket 1, a second bracket 2, a first lens 3 and a second lens 4; the first lens 3 is fixedly arranged on the first bracket 1, and the first bracket 1 is used for being fixedly arranged on external equipment; the second lens 4 is fixedly arranged on the second bracket 2; the second mount 2 is positionally mounted to the first mount 1 so that the relative positions of the first lens 3 and the second lens 4 on the external device are determined.

The positioning and mounting of the second bracket 2 to the first bracket 1 means that the first bracket 1 can be fixedly connected with the second bracket 2 and the second bracket 2 can also be positioned, so that when the second bracket 2 is mounted to the first bracket 1, the relative position of the second bracket 2 and the first bracket 1 is determined.

As described above, in the related art, two lenses are respectively mounted on two separate brackets, and then the two brackets are respectively mounted in the camera, so that an error when the lenses are mounted on the brackets and an error when the brackets are mounted in the camera are accumulated, which causes a large error in a relative position relationship between the two lenses and requires repeated alignment during mounting, and the process is complicated; the lens module provided by the utility model, when the first lens 3 is fixedly arranged on the first bracket 1, the relative position of the first lens 3 and the first bracket 1 is determined, when the second lens 4 is fixedly arranged on the second bracket 2, the relative position of the second lens 4 and the second bracket 2 is determined, then, when the second bracket 2 is fixedly arranged on the first bracket 1, the relative position of the second bracket 2 and the first bracket 1 is determined, so that the relative position of the first lens 3 and the second lens 4 is determined through the positioning and installation between the two brackets, therefore, when the first bracket 1 and the second bracket 2 are integrally arranged on the external equipment, the relative positions of the two lenses on the external equipment do not need to be adjusted repeatedly, the installation process is simple and rapid, the error generated when the two brackets are respectively arranged in the camera is reduced, thereby the error of the relative position between the two lenses is reduced, the shooting effect when two lenses are linked is improved.

In addition, in the related prior art, the linkage condition of the two lenses needs to be verified after the two supports are respectively installed on the camera, and when the shooting effect is not good, the lenses need to be detached and reinstalled, so that the process is complex and a lot of time is consumed; and the utility model provides a lens module, before installing this lens module to external equipment, just can verify the linkage condition of first camera lens 3 and second camera lens 4, the problem of discerning in advance prevents unnecessary dismouting machine.

In one embodiment, the first lens 3 is a zoom lens and the second lens 4 is a fixed focus lens. In another embodiment, the first lens 3 is a fixed focus lens, and the second lens 4 is a zoom lens. Of course, in other embodiments, the first lens 3 and the second lens 4 may be both fixed focus lenses or both zoom lenses. Because the kind and the model of first camera lens 3 and second camera lens 4 all can freely be selected as required, consequently, when the selection of first camera lens 3 and second camera lens 4 changes, the focus of camera lens also can change, relative position between two camera lenses also correspondingly needs to make the adjustment, at this moment, the user need select corresponding support according to the kind and the model of camera lens for under the assembled state, the shooting effect when two camera lenses are linked can be guaranteed to the relative position of first camera lens 3 and second camera lens 4, compatibility is stronger.

Referring to the coordinate system shown in fig. 2, in an embodiment, when the two lenses need to be linked, the object sides of the first lens 3 and the second lens 4 are both oriented in the-Z direction, so that the images taken by the two lenses are substantially the same. In another embodiment, the object side of the first lens 3 may face in the-Z direction, and the object side of the second lens 4 may face in the + Z direction. Of course, in other embodiments, the object sides of the first lens 3 and the second lens 4 may be at an angle to each other.

As shown in fig. 2 to 4, the first bracket 1 includes a first mounting portion 11, the second bracket 2 includes a second mounting portion 21, wherein the first mounting portion 11 includes a first side plate 111 and a second side plate 112 fixed to each other to form an L-shape, the first side plate 111 and the second side plate 112 are both provided with a first positioning connection portion 12, the second mounting portion 21 includes a third side plate 211 and a fourth side plate 212 fixed to each other to form an L-shape, the third side plate 211 and the fourth side plate 212 are both provided with a second positioning connection portion 22 corresponding to the first positioning connection portion 12, in an assembled state, the first positioning connection portion 12 and the second positioning connection portion 22 are fixedly connected to achieve positioning mounting of the first bracket 1 and the second bracket 2, and the first side plate 111, the second side plate 112, the third side plate 211 and the fourth side plate 212 enclose an installation space 5. First location connecting portion 12 corresponds the setting with second location connecting portion 22, and the user of being convenient for is accurate when the assembly counterpoint, improves the installation accuracy between first support 1 and the second support 2, and installation space 5 is convenient for the user to install first camera lens 3, can improve first camera lens 3's stability simultaneously, prevents that first camera lens 3 is not hard up.

In one embodiment, the first positioning connecting portion 12 and the second positioning connecting portion 22 are both provided with fixing holes, and the first fastening member 71 sequentially passes through the fixing holes of the first positioning connecting portion 12 and the second positioning connecting portion 22 to fixedly connect the first positioning connecting portion 12 and the second positioning connecting portion 22; of course, in other embodiments, the first positioning connection portion 12 and the second positioning connection portion 22 may be fixedly connected by other methods such as clamping and gluing, so long as the relative position between the first positioning connection portion 12 and the second positioning connection portion 22 can be determined and the connection tightness between the first lens 3 and the first mounting portion 11 and the second mounting portion 21 can be ensured.

The first lens 3 includes a first lens body 31 and a first main board 32 connected to each other, the first main board is disposed in the installation space 5, the first lens body 31 is partially disposed in the installation space 5, an object side of the first lens body 31 faces a-Z direction, and the first lens body 31 disposed in the installation space 5 is fixedly connected to the first installation portion 11 and the second installation portion 21. The first lens body 31 is fixedly connected with the first installation part 11 and the second installation part 21 respectively, so that the stability of the first lens 3 is further ensured while the first lens 3 is positioned and installed, the first lens 3 is prevented from loosening, and the shooting effect is ensured.

In one embodiment, the first mounting portion 11 and the second mounting portion 21 are respectively provided with a plurality of fixing holes arranged at intervals, and a plurality of second fasteners 72 respectively penetrate through the plurality of fixing holes from the outer side to be fixedly connected with the first lens 3; of course, in other embodiments, the first and second mounting

portions

11 and 21 may be fixedly connected to the first lens 3 by other means such as clamping or gluing, so long as the relative positions between the first lens 3 and the first and second mounting

portions

11 and 21 can be determined and the connection tightness between the first lens 3 and the first and second mounting

portions

11 and 21 can be ensured.

The second bracket 2 further comprises a third mounting part 23, the third mounting part 23 extends in a direction away from the first bracket 1 outside the mounting space 5, a through hole 24 is formed in the third mounting part 23, a fool-proof piece 25 is further arranged on the third mounting part 23, the second lens 4 comprises a second lens body 41 and a second main board 42 which are connected with each other, the second main board 42 is arranged on one side of the third mounting part 23 close to the fool-proof piece 25, and the second lens body 41 penetrates through the through hole 24 from one side of the fool-proof piece 25. The fool-proof piece 25 can interfere when the second lens 4 is reversely assembled, the through hole 24 can position the second lens 4, and therefore a user can assemble the second lens 4 conveniently, and the third installation portion 23 ensures the shooting effect when the second lens 4 is installed in a positioning mode.

In one embodiment, the third mounting portion 23 defines a plurality of fixing holes disposed at intervals, and a plurality of third fasteners 73 respectively penetrate through the plurality of fixing holes from a side away from the fool-proof member 25 to be fixedly connected with the second lens 4; of course, in other embodiments, the third mounting portion 23 may be fixedly connected to the second lens 4 by snapping, gluing, or other methods, as long as the relative position between the second lens 4 and the third mounting portion 23 can be determined, and the tightness of the connection between the second lens 4 and the third mounting portion 23 is ensured.

As shown in fig. 1, a first connecting piece 13 is disposed at one end of the first mounting portion 11 close to the first lens body 31, a second connecting piece 26 is disposed at one end of the third mounting portion 23 close to the second lens body 41, the first connecting piece 13 and the second connecting piece 26 are both used for being fixedly mounted to the external device, and in a mounted state, the first connecting piece 13 and the second connecting piece 26 are used for being fixedly mounted to the external device, and end surfaces of the first connecting piece 13 and the second connecting piece 26 are flush. The first support 1 and the second support 2 can be conveniently positioned and installed on the camera by a user through the first connecting piece 13 and the second connecting piece 26, and the position of the whole lens module is ensured to be relatively determined when the lens module is installed on the equipment, so that the relative position of the first lens 3 and the second lens 4 is ensured to be determined with the camera.

As shown in fig. 2, 3 and 5, the first bracket 1 includes a fixing portion 14, the fixing portion 14 is disposed at one end of the second side plate 112 close to the first main plate 32, and is disposed to be inclined toward the YZ direction; the lens module further comprises a heat dissipation member 6, the heat dissipation member 6 is fixedly arranged on the fixing portion 14, as shown in an air outlet path of fig. 5, an air outlet area of the heat dissipation member 6 covers the first lens 3 and the second lens 4, and meanwhile, heat dissipation work of the two lenses is considered, so that normal operation of equipment can be prevented from being influenced by overhigh temperature of the two lenses, and heat dissipation is not required through other heat dissipation modes such as a heat conduction pad and the like. In addition, the fixing portion 14 has a smaller volume so as to reduce the influence of the vibration generated during the operation of the heat sink 6 on the photographing effect of the first lens 3 and the second lens 4.

In one embodiment, the fixing portion 14 is provided with a plurality of fixing holes arranged at intervals, and a plurality of fourth fasteners respectively penetrate through the plurality of fixing holes to be fixedly connected with the heat sink 6; of course, in other embodiments, the fixing portion 14 may be fixedly connected to the heat sink 6 by clamping, gluing, or other methods, as long as the tightness of the connection between the heat sink 6 and the fixing portion 14 can be ensured.

Furthermore, a plurality of connecting parts 15 are arranged on the outer side of the first mounting part 11, and the connecting parts 15 can be connected with other peripheral boards such as an adapter board, a 5G board or a voice control board.

This use is novel still provides a camera, including foretell camera lens module, first connecting piece 13 and second connecting piece 26 and the camera fixed connection of camera lens module realize the location installation of camera lens module and camera.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A lens module is characterized by comprising a first bracket (1), a second bracket (2), a first lens (3) and a second lens (4);

the first lens (3) is fixedly arranged on the first bracket (1), and the first bracket (1) is used for being fixedly arranged on external equipment;

the second lens (4) is fixedly arranged on the second bracket (2);

the second mount (2) is positionally mounted to the first mount (1) such that the relative positions of the first lens (3) and the second lens (4) on the external device are determined.

2. The lens module as claimed in claim 1, wherein the first lens (3) is fixedly mounted with its optical axis parallel to a first predetermined direction, and the second lens (4) is fixedly mounted with its optical axis parallel to a second predetermined direction, the first predetermined direction being parallel to the second predetermined direction.

3. The lens module according to claim 1, characterized in that the first lens (3) is a zoom lens; and/or the second lens (4) is a fixed focus lens.

4. A lens module according to any one of claims 1-3, characterized in that the first holder (1) comprises a first mount portion (11), the second holder (2) comprises a second mount portion (21), a mount space (5) is formed between the first mount portion (11) and the second mount portion (21), the first lens (3) is located in the mount space (5), and a part of the first lens (3) is exposed out of the mount space (5).

5. The lens module as claimed in claim 4, wherein the first mounting portion (11) is provided with a first positioning connecting portion (12), the second mounting portion (21) is provided with a second positioning connecting portion (22), and the second bracket (2) can be positioned and mounted on the first bracket (1) by the matching connection of the first positioning connecting portion (12) and the second positioning connecting portion (22).

6. The lens module as claimed in claim 4, wherein the second frame (2) further comprises a third mounting portion (23), the third mounting portion (23) extends outside the mounting space (5) in a direction away from the first frame (1), a through hole (24) is formed in the third mounting portion (23), and the second lens (4) is fixedly mounted to the third mounting portion (23) and partially passes through the through hole (24).

7. The lens module as claimed in claim 6, wherein a fool-proof member (25) is disposed on the third mounting portion (23).

8. The lens module according to claim 1, wherein a first connecting member (13) is disposed at an end of the first holder (1) close to the object side of the first lens (3);

a second connecting piece (26) is arranged at one end, close to the object side, of the second lens (4), of the second support (2), the first connecting piece (13) and the second connecting piece (26) are both used for being fixedly installed on the external equipment, and in the installation state, the first connecting piece (13) and the second connecting piece (26) are used for being fixedly installed on the end face of the external equipment to be flush.

9. The lens module according to claim 1, wherein the first holder (1) comprises a fixing portion (14), the fixing portion (14) is obliquely disposed at an end of the first holder (1) relatively far from the second lens (4) and close to the back surface of the first lens (3);

the lens module further comprises a heat dissipation piece (6), the heat dissipation piece (6) is fixedly arranged on the fixing portion (14), and an air outlet area of the heat dissipation piece (6) covers the first lens (3) and the second lens (4).

10. A camera comprising a lens module according to claims 1 to 9.