CN113132574A

CN113132574A - Video camera

Info

Publication number: CN113132574A
Application number: CN201911416040.3A
Authority: CN
Inventors: 关宏杰; 卜雪钢; 隋真真
Original assignee: Hangzhou Hikvision Digital Technology Co Ltd
Current assignee: Hangzhou Hikvision Digital Technology Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2021-07-16
Anticipated expiration: 2039-12-31
Also published as: CN113132574B

Abstract

The application relates to the technical field of video camera, in particular to a camera, which comprises: a main body portion having a receiving cavity; the first lens is accommodated in the accommodating cavity; the second lens is accommodated in the accommodating cavity; the optical axis of the second lens is coplanar with the optical axis of the first lens and has different vertical heights; a front cover assembly connected to one side of the main body; the front cover assembly comprises a front cover and lens glass; the lens glass is connected with one side of the front cover facing the main body part; the distance between the surface of one side, facing the lens glass, of the first lens and the lens glass is smaller than the distance between the surface of one side, facing the lens glass, of the second lens and the lens glass. The application provides a camera places first camera lens subassembly and second camera lens subassembly in same holding the chamber, compares with prior art, has practiced thrift the space, is favorable to the miniaturization of camera.

Description

Video camera

Technical Field

The application relates to the technical field of video camera shooting, in particular to a camera.

Background

Cameras are relatively common monitoring equipment and are widely applied to a plurality of fields. With the progress of technology and the increase of user demands, the miniaturization of the camera is also more and more advanced.

For a dual-lens camera, in the prior art, a dual lens is usually fixed in different cavities in the camera, so as to solve the problem that the field range of a single lens cannot meet the requirement. However, the double lenses in the existing camera occupy large space, which is not beneficial to the miniaturization of the camera.

Disclosure of Invention

The application provides a camera to make the structure of camera more compact, be favorable to the miniaturization of camera.

The application provides a camera, including:

a main body portion having a receiving cavity;

the first lens is accommodated in the accommodating cavity;

the second lens is accommodated in the accommodating cavity;

the optical axis of the second lens is coplanar with the optical axis of the first lens and has different vertical heights;

a front cover assembly connected to one side of the main body; the front cover assembly comprises a front cover and lens glass; the lens glass is connected to one side, facing the main body part, of the front cover;

the distance between the surface of one side, facing the lens glass, of the first lens and the lens glass is smaller than the distance between the surface of one side, facing the lens glass, of the second lens and the lens glass.

In one possible implementation, the focal length of the first lens is smaller than the focal length of the second lens.

In one possible implementation, the front cover is provided with a first through hole;

the lens glass is blocked and sealed at the first through hole;

the first lens and the second lens are used for shooting through the lens glass.

In a possible implementation manner, the lens glass is formed with two rectangular windows in a silk-screen printing manner, the two windows respectively correspond to the first lens and the second lens, and central points of the two rectangular windows are coaxial and are at different vertical heights.

In a possible implementation, the main body portion is provided with a fourth through hole;

the fourth through hole is communicated with the accommodating cavity and is used for enabling the first lens and the second lens to be matched with the lens glass through the fourth through hole;

the camera further comprises a pre-fixing piece, wherein the pre-fixing piece is connected to the main body part, is positioned between the main body part and the front cover assembly and covers the fourth through hole;

the pre-fixing piece is used for limiting the position of the first lens so as to fix the distance between the first lens and the lens glass.

In one possible implementation, the pre-fixing member includes a first positioning hole;

and part of the first lens is accommodated in the first positioning hole, and the first positioning hole is used for limiting the position of the first lens.

In one possible implementation, the pre-fixing member includes a second positioning hole;

the second positioning hole corresponds to the second lens, and the second lens does not extend into the second positioning hole.

In one possible implementation, the pre-fixing member includes an outlet hole;

the front cover assembly further comprises a heating part which is connected to one side of the lens glass facing the pre-fixing part;

the heating component is provided with a wire rod which is arranged in the wire outlet hole in a penetrating way.

In a possible realization, the heating member is provided with a second through hole and a third through hole;

the second through hole corresponds to the first lens;

the third through hole corresponds to the second lens.

In a possible implementation manner, a side of the pre-fixing member facing the front cover assembly is provided with a convex rib.

In one possible implementation, the front cover assembly further includes:

and a first sealing member which is hermetically connected between the front cover and the main body.

In one possible implementation, the front cover assembly further includes:

and the sound pickup is connected to one side, facing the main body part, of the front cover.

In one possible implementation, the camera further includes:

the loudspeaker subassembly, the loudspeaker subassembly set up in hold the intracavity, just the loudspeaker subassembly is located one side of first lens subassembly and second lens subassembly.

In a possible implementation manner, the sound outlet of the speaker assembly and the sound receiving port of the sound pickup have a preset included angle.

In one possible implementation, the camera further includes:

the fan assembly is arranged in the accommodating cavity and is positioned at one side of the first lens assembly and one side of the second lens assembly, which are far away from the horn assembly.

In a possible implementation manner, the camera further includes a top cover connected to the top side of the main body portion and sealed in the accommodating cavity.

In one possible implementation, the camera further includes a second sealing member sealingly connected between the top cover and the main body portion.

The technical scheme provided by the application can achieve the following beneficial effects:

the application provides a camera places first camera lens subassembly and second camera lens subassembly in same holding the chamber, compares with prior art, has practiced thrift the space, is favorable to the miniaturization of camera. The distance between the side surface of the first lens facing the lens glass and the lens glass is smaller than the distance between the side surface of the second lens facing the lens glass and the lens glass, so that the first lens is close to the lens glass as much as possible when the first lens is installed, an operator can conveniently observe the position of the first lens from the front of the camera, and the assembly of the first lens is facilitated. Since the second lens is positioned above the first lens, the assembly position of the second lens can be conveniently observed from above the accommodating cavity, thereby facilitating the assembly of the second lens.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded schematic view of a camera according to an embodiment of the present disclosure;

fig. 2 is a partially cut-away schematic view of a camera provided in an embodiment of the present application;

fig. 3 is a sectional view showing an arrangement state of a first lens and a second lens;

fig. 4 is a front view showing an arrangement state of a first lens and a second lens;

FIG. 5 is an exploded view of a front cover assembly of a video camera according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a pre-fixing member in a camera according to an embodiment of the present disclosure;

fig. 7 is a front view of a pre-mount in a camera according to an embodiment of the present disclosure;

FIG. 8 is a side view of a pre-mount in a camera according to an embodiment of the present disclosure;

fig. 9 is a partial cross-sectional view of the first lens, the second lens and the pre-mount after assembly;

FIG. 10 is a schematic view of the assembled first lens, second lens and pre-fixing element;

FIG. 11 is a partially cut-away perspective view of the assembled first lens, second lens and pre-mount;

fig. 12 is a schematic view illustrating an assembly process state of a camera according to an embodiment of the present disclosure;

fig. 13 is a second schematic view of an assembly process state of the camera provided in the embodiment of the present application;

fig. 14 is a state diagram illustrating an assembling process of the camera according to the embodiment of the present application;

fig. 15 is a fourth schematic view of an assembly process state of the camera provided by the embodiment of the present application;

fig. 16 is a five-schematic view illustrating an assembly process state of a camera provided in an embodiment of the present application;

fig. 17 is a six-schematic view illustrating an assembly process state of a camera according to an embodiment of the present application;

fig. 18 is a seventh schematic view illustrating an assembly process state of a camera according to an embodiment of the present disclosure;

fig. 19 is an eighth schematic view of an assembly process state of a camera provided in an embodiment of the present application;

fig. 20 is a ninth schematic view illustrating an assembling process state of the camera according to the embodiment of the present application;

fig. 21 is a ten-way schematic view of an assembly process state of a camera provided in an embodiment of the present application.

Reference numerals:

100-a camera;

1-a body portion;

11-a containment chamber;

12-a fourth via;

2-a first lens assembly;

21-a first lens;

3-a second lens assembly;

31-a second lens;

4-a front cover assembly;

41-front cover;

411 — first via;

42-lens glass;

43-a heating means;

431-a second via;

432-a third via;

433-wire rod;

44-a sound pick-up;

45-a first sealing member;

5-pre-fixing the part;

51-a first locating hole;

52-second positioning hole;

53-outlet holes;

54-a convex rib;

6-top cover;

7-a second sealing member;

8-a horn assembly;

9-a fill light assembly;

10-a fan assembly;

20-decorative cover.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

Fig. 1 is an exploded schematic view of a camera according to an embodiment of the present disclosure; fig. 2 is a partially broken schematic view of a camera provided in an embodiment of the present application.

As shown in fig. 1 and 2, an embodiment of the present application provides a video camera 100 including a main body portion 1, a first lens 21, a second lens 31, and a front cover assembly 4.

Wherein the body part 1 has a receiving cavity 11. The first lens 21 is accommodated in the accommodating chamber 11, and the first lens 21 may be connected to the body portion 1 through other portions of the first lens assembly 2.

The second lens 31 is accommodated in the accommodating chamber 11, and the second lens 31 may be connected to the body portion 1 through other portions of the second lens assembly 3.

Fig. 3 is a sectional view showing an arrangement state of a first lens and a second lens; fig. 4 is a front view of an arrangement state of the first lens and the second lens.

As shown in fig. 3 and 4, wherein the optical axis of the second lens 31 is coplanar with the optical axis of the first lens 21 and has different vertical heights.

With continued reference to fig. 1, the video camera 100 further includes a front cover assembly 4, the front cover assembly 4 being attached to one side of the main body portion 1.

Fig. 5 is an exploded view of a front cover assembly of a video camera according to an embodiment of the present disclosure, and as shown in fig. 5, the front cover assembly 4 includes a front cover 41 and a lens glass 42; the lens glass 42 is connected to the front cover 41 on the side facing the main body 1.

With reference to fig. 3, the distance L1 between the lens glass 42 and the surface of the first lens 21 facing the lens glass 42 is smaller than the distance L2 between the lens glass 42 and the surface of the second lens 31 facing the lens glass 42. That is, the first lens 21 is closer to the lens glass 42 than the second lens 31.

The camera 100 that this application embodiment provided places first lens subassembly 2 and second lens subassembly 3 in same holding chamber 11, compares with prior art, has practiced thrift the space, is favorable to the miniaturization of camera.

In this embodiment, the first lens 21 and the second lens 31 are vertically arranged in the vertical direction, and in the process of mounting the first lens 21 and the second lens 31 to the accommodating chamber 11, since the accommodating chamber 11 is deep, for an operator, the first lens 21 mounted deep may be mounted in a state where the first lens 21 cannot be seen clearly, and therefore, the mounting process of the first lens 21 located below is relatively laborious.

The distance L1 between the surface of the first lens 21 facing the lens glass 42 and the lens glass 42 is set smaller than the distance L2 between the surface of the second lens 31 facing the lens glass 42 and the lens glass 42, so that when the first lens 21 is mounted, the first lens 21 is made as close as possible to the lens glass 42, and the operator can easily observe the position of the first lens 21 from the front of the camera, thereby facilitating the assembly of the first lens 21. Since the second lens 31 is positioned above the first lens 21, the assembled position of the second lens 31 can be easily observed from above the housing chamber 11, thereby facilitating the assembly of the second lens 31.

One of the first lens 21 and the second lens 31 may be a short-focus lens, and the other may be a long-focus lens. The short-focus lens is close in observation distance but large in field angle, and mainly takes overall shooting. The telephoto lens has a long observation distance but a small viewing angle, and mainly performs detail shooting. In this embodiment, the first lens 21 is a short-focus lens, the second lens 31 is a long-focus lens, and the first lens 21 is located below the second lens 31.

In order to meet the requirement of the field of view, the focal length of the first lens 21 is set to be smaller than that of the second lens 31, so that the whole volume of the first lens 21 is smaller than that of the second lens 31, the first lens 21 with smaller volume is installed in the deep position of the accommodating cavity 11, and the L1 is smaller than the L2, so that the first lens 21 can be observed from the front of the camera more conveniently when the first lens 21 is installed, and the installation of the first lens 21 is facilitated. The second lens 31 is positioned above the first lens 21, and the assembled position of the second lens 31 can be easily observed from above the receiving chamber 11, thereby facilitating the assembly of the second lens 31.

The first lens 21 may be mounted to be close to the lens glass 42, the second lens 31 may be mounted after the first lens 21 is fixed, and the second lens 31 may be fixed by a fastener.

Referring to fig. 1 and 2, a fan assembly 10 and a horn assembly 8 may be disposed on two sides of the first lens assembly 2 and the third lens assembly 3, respectively, in one embodiment, the horn assembly 8 is disposed in the accommodating cavity 11, and the horn assembly 8 is located on one side of the first lens assembly 2 and the second lens assembly 3.

As mentioned above, placing the first lens assembly 2 and the second lens assembly 3 in the same cavity, i.e., the accommodating cavity 11, helps to make the camera 100 compact, and placing the speaker assembly 8 in the accommodating cavity 11 also further miniaturizes the camera 100.

In one embodiment, the sound outlet of the speaker assembly 8 is at a predetermined angle to the sound receiving port of the sound pickup (44). Specifically, the horn assembly 8 may be disposed at a substantially 90 ° angle to the microphone 44 on the front cover assembly 4.

By positioning the first lens 21 closer to the lens glass 42 than the second lens 31, the accommodating chamber 11 can just have enough space to accommodate the horn assembly 8, thereby making the structure of the camera 100 more compact.

In a specific embodiment, the camera 100 further includes a fan assembly 10 disposed in the accommodating cavity 11, and the fan assembly 10 is located on a side of the first lens assembly 2 and the second lens assembly 3 away from the horn assembly (8).

By arranging the first lens 21 closer to the lens glass 42 than the second lens 31, the accommodating cavity 11 can just have enough space to accommodate the fan assembly 10, and the fan assembly 10 is close to the first lens 21 and the second lens 31 to dehumidify and dissipate heat of the first lens 21 and the second lens 31. A light supplement lamp assembly 9 may be disposed between the front cover assembly 4 and the first and

second lens assemblies

2 and 3 for supplementing light for the first and

second lens assemblies

2 and 3.

A cosmetic cover 20 may be further provided at the front end of the front cover assembly 4, i.e., the end away from the main body 1, for improving the overall aesthetic appearance of the camera 100.

The camera 100 provided by the embodiment of the present application further includes a top cover 6 for sealing the upper space of the accommodating chamber 11, and a second sealing member 7 may be provided between the top cover 6 and the main body portion 1 to ensure the sealing performance inside the accommodating chamber 11.

Referring to fig. 5, in a specific embodiment, the front cover 41 is provided with a first through hole 411, the lens glass 42 is sealed in the first through hole 411, and both the first lens 21 and the second lens 31 take images through the lens glass 42.

In the present embodiment, the first lens 21 and the second lens 31 share the same lens glass 42 without separately disposing respective lens glasses, thereby further facilitating miniaturization of the video camera 100.

The lens glass 42 may form two rectangular windows by silk-screen printing, and the central points of the two rectangular windows are coaxial and at different vertical heights. The screen printing also provides a shielding effect for the internal structure of the camera 100.

Referring to fig. 1, in a specific embodiment, the main body 1 is provided with a fourth through hole 12, and the fourth through hole 12 is communicated with the accommodating cavity 11 and is used for accommodating the first lens 21 and the second lens 31, so that the first lens 21 and the second lens 31 are matched with the lens glass 42 through the fourth through hole 12.

The camera 100 further includes a pre-fixing member 5, the pre-fixing member 5 is connected to the main body 1, located between the main body 1 and the front cover assembly 4, and covers the fourth through hole 12, and the pre-fixing member 5 is used for limiting the position of the first lens 21 so as to fix the distance between the first lens 21 and the lens glass 42.

Because the first lens 21 is located at a deeper position of the accommodating cavity 11 relative to the second lens 31 and is approximately close to the bottom of the accommodating cavity 11, the assembly difficulty is high, and the first lens 21 is positioned in advance by arranging the pre-fixing piece, so that the assembly of the first lens 21 can be facilitated.

Fig. 6 is a schematic structural diagram of a pre-fixing member in a camera according to an embodiment of the present disclosure; fig. 7 is a front view of a pre-mount in a camera according to an embodiment of the present disclosure; fig. 8 is a side view of a pre-mount in a camera according to an embodiment of the present disclosure.

As shown in fig. 6 to 8, in a specific embodiment, the pre-fixing member 5 includes a first positioning hole 51, and a part of the first lens 21 is received in the first positioning hole 51, and the first positioning hole 51 is used for limiting the position of the first lens 21. .

By inserting a part of the first lens 21 into the first positioning hole 51, the first lens 21 can be positioned at a predetermined position.

In one specific embodiment, the pre-fixing member 5 includes a second positioning hole 52, the second positioning hole 52 corresponds to the second lens 31, and the second lens 31 does not extend into the second positioning hole 52.

In the embodiment, since the second lens 31 is located above the first lens 21, when being installed, the second lens is closer to the outside of the accommodating cavity 11, so that the visual observation is also convenient, and the installation is more convenient than the first lens 21. Therefore, the second lens 31 may be provided without extending into the second positioning hole 52, and only by using the second positioning hole 52 as a reference, the second lens 31 may be substantially aligned with the second positioning hole 52, and the second lens 31 may be fixed in the accommodating chamber 11 of the main body 1 by a fastener.

In addition, the pre-fixing member 5 also has a function of shielding the internal structure of the camera 100.

In a specific embodiment, the pre-fixing member 5 includes an outlet 53, and the front cover assembly 4 further includes a heating member 43 connected to a side of the lens glass 42 facing the pre-fixing member 5.

The heating member 43 has a wire 433, and the wire 433 is inserted into the outlet hole 53.

The heating member 43 may be in the form of a heating sheet, and in order to better utilize the space, the heating member 43 may be designed according to the screen printing area of the lens glass 42, so that the area of the heating member 43 is slightly smaller than that of the screen printing area, and the area of the heating member 43 can be made as large as possible while the appearance is attractive.

The outlet hole 53 is provided to facilitate the passage of the wire 433 of the heating member 43.

Referring to fig. 5, in a specific embodiment, the heating member 43 is provided with a second through hole 431 and a third through hole 432, the second through hole 431 corresponding to the first lens 21, and the third through hole 432 corresponding to the second lens 31.

Referring to fig. 8, in a specific embodiment, the side of the pre-fixing member 5 facing the front cover assembly 4 is provided with a rib 54.

The provision of the rib 54 can contribute to increase the strength of the pre-fixing member 5, and in addition, by providing the rib 54, a part of the pre-fixing member 5 is protruded to form a space capable of accommodating the wire 433. Since the rib 54 is provided toward the front cover assembly 4, it can share a space with the wire 433, further contributing to miniaturization of the camera 100.

In this embodiment, the height of the rib 54 is 2mm, and those skilled in the art can set the height according to actual needs.

Fig. 9 is a partial cross-sectional view of the first lens, the second lens and the pre-mount after assembly; FIG. 10 is a schematic view of the assembled first lens, second lens and pre-fixing element; fig. 11 is a partially cut-away perspective view of the assembled first lens, second lens and pre-mount.

Fig. 9 to 11 show the positional relationship between the first lens 21, the second lens 31, and the pre-fixing member 5.

Referring to fig. 5, in a specific embodiment, the front cover assembly 4 further includes a microphone 44 attached to a side of the front cover 41 facing the main body 1. Specifically, a hole for mounting the sound pickup 44 and a glue dispensing groove are provided on the front cover 41, and the sound pickup 44 is assembled on the front cover 41, fixed by potting and secured in air-tightness.

In a specific embodiment, the front cover assembly 4 further includes a first sealing member 45, which is sealingly connected between the front cover 41 and the main body portion 1. The first sealing member 45 may be a gasket for ensuring airtightness between the front cover and the main body 1.

Referring to fig. 1, in a specific embodiment, the camera 100 further includes a top cover 6 connected to a top side of the main body 1 and sealed in the receiving cavity 11.

In a particular embodiment, the camera 100 further comprises a second sealing member 7 sealingly connected between the top cover 6 and the main body portion 1.

Fig. 12 is a schematic view illustrating an assembly process state of a camera according to an embodiment of the present disclosure; fig. 13 is a second schematic view of an assembly process state of the camera provided in the embodiment of the present application; fig. 14 is a state diagram illustrating an assembling process of the camera according to the embodiment of the present application; fig. 15 is a fourth schematic view of an assembly process state of the camera provided by the embodiment of the present application; fig. 16 is a five-schematic view illustrating an assembly process state of a camera provided in an embodiment of the present application; fig. 17 is a six-schematic view illustrating an assembly process state of a camera according to an embodiment of the present application; fig. 18 is a seventh schematic view illustrating an assembly process state of a camera according to an embodiment of the present disclosure; fig. 19 is an eighth schematic view of an assembly process state of a camera provided in an embodiment of the present application; fig. 20 is a ninth schematic view illustrating an assembling process state of the camera according to the embodiment of the present application; fig. 21 is a ten-way schematic view of an assembly process state of a camera provided in an embodiment of the present application.

The camera 100 provided in the embodiment of the present application has the following assembly process:

the subassembly assembly of the first lens assembly 2 and the second lens assembly 3 is completed first, then the lens glass 42 is fixed on the front cover 41 by glue, and the heating element 43 is fixed on the silk-screen area of the lens glass 42, generally by gluing. The fill-in lamp unit 9 is attached to the main body 1.

Then, referring to fig. 12, the pre-fixing member 5 is fixed to the main body portion 1 by a fastener;

then, referring to fig. 13, the first sealing member 45 is attached to the outside of the pre-fixing member 5 and connected to the main body 1;

then, referring to fig. 14, the remaining front cover assembly 4 except for the first sealing member 45 is mounted to the main body portion 1, and the wire 433 of the heating member 43 is passed through the outlet hole 53 on the pre-fixing member 5;

then, referring to fig. 15, the horn unit 8 is attached to the main body 1;

then, referring to fig. 16, the first lens unit 2 is mounted on the main body 1, and at this time, the main body 1 is provided with the positioning post, and the first lens unit 2 has the positioning hole.

The pre-fixing piece 5 can ensure the coarse positioning of the first lens component 2, and the matching of the positioning column and the positioning hole ensures the fine positioning;

then, referring to fig. 17, the fan assembly 10 is mounted to the main body 1;

then, referring to fig. 18, the second lens unit 31 is mounted on the main body portion, and a predetermined rough positioning is provided by the pre-fixing member 5, and similarly, a fine positioning is ensured by fitting a positioning post to a positioning hole. Fig. 19 shows a state where the second lens assembly 31 is mounted completely.

Then, referring to fig. 20, the second seal member 7 is attached to the main body 1;

finally, the top cover 6 is attached to the main body.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A camera (100), comprising:

a main body part (1) having a housing cavity (11);

a first lens (21) accommodated in the accommodating chamber (11);

a second lens (31) accommodated in the accommodating chamber (11);

the optical axis of the second lens (31) is coplanar with the optical axis of the first lens (21) and has different vertical heights;

a front cover assembly (4) connected to one side of the main body (1); the front cover assembly (4) comprises a front cover (41) and a lens glass (42); the lens glass (42) is connected to one side of the front cover (41) facing the main body part (1);

the distance between the surface of one side of the first lens (21) facing the lens glass (42) and the lens glass (42) is smaller than the distance between the surface of one side of the second lens (31) facing the lens glass (42) and the lens glass (42).

2. The camera (100) of claim 1, wherein the focal length of the first lens (21) is smaller than the focal length of the second lens (31).

3. The camera (100) according to claim 1, characterized in that the front cover (41) is provided with a first through hole (411);

the lens glass (42) is sealed and sealed in the first through hole (411);

the first lens (21) and the second lens (31) both take images through the lens glass (42).

4. The camera (100) according to claim 3, wherein the lens glass (42) is formed with two rectangular windows corresponding to the first lens (21) and the second lens (31) respectively by silk-screen printing, wherein the central points of the two rectangular windows are coaxial and at different vertical heights.

5. The camera (100) according to claim 1, characterized in that the main body portion (1) is provided with a fourth through hole (12);

the fourth through hole (12) is communicated with the accommodating cavity (11) and is used for accommodating the first lens (21) and the second lens (31) so that the first lens (21) and the second lens (31) are matched with the lens glass (42) through the fourth through hole (12);

the camera (100) further comprises a pre-fixing piece (5), wherein the pre-fixing piece (5) is connected to the main body part (1), is positioned between the main body part (1) and the front cover assembly (4), and is covered on the fourth through hole (12);

the pre-fixing piece (5) is used for limiting the position of the first lens (21) so as to fix the distance between the first lens (21) and the lens glass (42).

6. The camera (100) of claim 5, wherein the pre-mount (5) comprises a first positioning hole (51);

a part of the first lens (21) is accommodated in the first positioning hole (51), and the first positioning hole (51) is used for limiting the position of the first lens (21).

7. The camera (100) of claim 6, wherein the pre-fixing member (5) comprises a second positioning hole (52);

the second positioning hole (52) corresponds to the second lens (31), and the second lens (31) does not extend into the second positioning hole (52).

8. The camera (100) of claim 5, wherein the pre-mount (5) comprises an outlet hole (53);

the front cover assembly (4) further comprises a heating component (43) connected to one side of the lens glass (42) facing the pre-fixing piece (5);

the heating component (43) is provided with a wire (433), and the wire (433) penetrates through the wire outlet hole (53).

9. The camera (100) according to claim 8, characterized in that the heating member (43) is provided with a second through hole (431) and a third through hole (432);

the second through hole (431) corresponds to the first lens (21);

the third through hole (432) corresponds to the second lens (31).

10. The camera (100) according to claim 5, characterized in that the side of the pre-fixing element (5) facing the front cover assembly (4) is provided with a bead (54).

11. The camera (100) of claim 1, wherein the front cover assembly (4) further comprises:

and a first sealing member (45) which is connected between the front cover (41) and the main body (1) in a sealing manner.