CN111901509A - Video camera - Google Patents

Abstract

The present application relates to a camera, including a lens; a lens bracket, including a mounting groove and a matching groove, the matching groove is located outside the mounting groove, the lens is assembled into the mounting groove, and is sealedly connected with the mounting groove; an upper cover is connected with the lens support, The upper cover includes a first opening and a matching rib surrounding the first opening, the lens bracket extends into the first opening, the matching rib extends into the matching groove, and is sealedly connected with the matching groove in the circumferential direction of the matching groove. The present application seals the gap between the assembled lens and the lens support through the sealed connection between the lens and the lens support, and seals the gap between the assembled lens support and the upper cover through the sealed connection between the lens support and the upper cover, The sealing connection between the lens, the lens bracket and the upper cover can be realized, and external moisture can be prevented from entering the interior of the camera from between the two mutually connected parts, which is beneficial to improve the waterproof performance of the camera.

Description

camera

technical field

The present application relates to the technical field of video surveillance, and in particular, to a video camera.

Background technique

At present, with the development of video surveillance technology, cameras have been used in many production and life monitoring, so that users can understand and be familiar with the current production-related situation. In particular, in some aquaculture or environments with relatively high humidity, the camera is exposed to the air with high humidity, or is directly placed in water, which can easily cause moisture to penetrate into the camera and cause damage. Therefore, improving the waterproof performance of the camera has become an urgent problem to be solved.

SUMMARY OF THE INVENTION

The present application provides a camera to solve the deficiencies in the related art.

According to an embodiment of the present application, a video camera is provided, including:

lens;

a lens bracket, comprising an installation groove and a matching groove, the matching groove is located outside the installation groove, the lens is assembled into the installation groove, and is sealedly connected with the installation groove;

The upper cover is connected with the lens bracket, the upper cover includes a first opening and a matching rib surrounding the first opening, the lens bracket extends into the first opening, and the matching rib extends into the first opening. In the matching groove, it is sealingly connected with the matching groove in the circumferential direction of the matching groove.

The technical solutions provided by the embodiments of the present application may include the following beneficial effects:

It can be seen from the above-mentioned embodiments that the present application seals the gap between the assembled lens and the lens support through the sealed connection between the lens and the lens support, and seals the assembled lens support and the upper cover through the sealed connection between the lens support and the upper cover. The gap between the covers can realize the sealed connection between the lens, the lens bracket and the upper cover, which can prevent external moisture from entering the interior of the camera from between the two connected parts, which is beneficial to improve the waterproof performance of the camera.

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

Description of drawings

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

FIG. 1 is an exploded schematic diagram of a camera according to an exemplary embodiment.

FIG. 2 is a schematic structural diagram of the lens holder in FIG. 1 .

FIG. 3 is an exploded schematic view of the camera of FIG. 1 .

FIG. 4 is a schematic structural diagram of the lens in FIG. 1 .

FIG. 5 is an exploded schematic view of the camera in FIG. 1 when the first waterproof member and the second waterproof member are not provided.

FIG. 6 is a schematic diagram of a first angle of the upper cover in FIG. 1 .

FIG. 7 is a second perspective view of the upper cover in FIG. 1 .

Detailed ways

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. Where the following description refers to the drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the illustrative examples below are not intended to represent all implementations consistent with this application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as recited in the appended claims.

The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a," "the," and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It will also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

"Plurality" means at least two. Words like "include" or "include" mean that the elements or items appearing before "including" or "including" cover the elements or items listed after "including" or "including" and their equivalents, and do not exclude other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

FIG. 1 is an exploded schematic diagram of a camera 100 according to an exemplary embodiment, and FIG. 2 is a schematic structural diagram of the lens holder 2 in FIG. 1 . As shown in FIGS. 1 and 2 , the camera 100 may include a lens 1 , a lens holder 2 and an upper cover 3 . The lens holder 2 may include a mounting groove 21 and a matching groove 22, and the matching groove 22 may be located outside the mounting groove 21. The lens 1 may be assembled into the mounting groove 21 and sealed with the lens 1 to avoid Moisture or other liquids flow into the interior of the camera 100 from the gap between the mounting groove 21 and the lens 1 . Specifically, the mounting groove 21 may be disposed around the lens 1 , and the sealed connection between the mounting groove 21 and the lens 1 may refer to the sealed connection between the inner peripheral surface of the mounting groove 21 and the outer peripheral surface of the lens 1 . The installation groove 21 may be an annular installation groove or an installation groove of other shapes, which is not limited in this application.

The upper cover 3 may be connected with the lens holder 2, and the upper cover 3 may form a part of the surface of the camera 100 for synchronizing as a decoration. The upper cover 3 may include a first opening 31 and a matching rib 32 arranged around the first opening 31. The lens holder 2 can extend into the first opening 31 to extend out of the upper cover 3, and the matching rib 32 can extend into the matching groove. The matching rib 32 can be sealed with the matching groove 22 in the circumferential direction of the matching groove 22 to prevent moisture or other liquids from entering the camera 100 from the gap between the mounting bracket 2 and the upper cover 3 .

In the technical solution of the present application, the gap between the lens 1 and the lens holder 2 after assembly is sealed by the sealed connection between the lens 1 and the lens holder 2 , and the after assembly is sealed by the sealed connection between the lens holder 2 and the upper cover 3 . The gap between the lens bracket 2 and the upper cover 3 can realize the sealed connection between the lens 1, the lens bracket 2 and the upper cover 3, and can prevent external moisture from entering the camera 100 from between the two connected parts. Inside, it is beneficial to improve the waterproof performance of the camera 100 .

As shown in FIG. 1 , the camera 100 may further include a decorative cover 4 covering the upper cover 3 , the decorative cover 4 may include a second opening 41 , the second opening 41 is disposed corresponding to the first opening 31 , and the lens 1 extends into the first opening 41 . Two openings 41 and a part of them extend from the second opening 41 to the outside of the decorative cover 4 , and the mirror surface of the lens 1 can be exposed to the outside of the decorative cover 4 . As a result, since the lens 1 is directly exposed, there is no need to protect the lens 1 by other lens protection covers, which can simplify the process, reduce the assembly gap, and improve the waterproof performance. Moreover, especially when the camera 100 can be used in a dirty environment such as a multi-aquaculture farm, the purpose of cleaning can be achieved by directly wiping the lens 1 . The decorative cover 4 and the upper cover 3 can be assembled by bonding. For example, the upper cover 3 may include a glue groove 36, and the decorative cover 4 may include a bar-shaped column 42, and the bar-shaped column 42 may be inserted into the glue groove 36 to fix the decorative cover 4, or, in other embodiments, a card The decorative cover 4 can be fixed by connecting or by means of an external locking member, which is not limited in the present application. The camera 100 may further include a lower cover 5 and a sealing ring 6, the lower cover 5 may be connected with the upper cover 3, and the sealing ring 6 may be disposed between the upper cover 3 and the lower cover 5, so as to align the upper cover 3 with the lower cover 3. The assembly gap between the covers 5 is sealed to improve waterproof performance.

The specific waterproof structure can be shown in FIG. 2 . The camera 100 can also include a first waterproof member 4 and a second waterproof member 5 , and the first waterproof member 4 can be arranged between the installation groove 21 and the lens 1 to seal the installation groove 21 . Similar to the gap between the lenses 1 , the second waterproof member 5 can be disposed between the matching rib 32 and the matching groove 22 to seal the gap between the matching rib 32 and the matching groove 22 . The materials of the first waterproof member 4 and the second waterproof member 5 may be the same or different. The first waterproof member 4 may include a sealing ring or a glue layer, and the second waterproof member 5 may also include a sealing ring or a glue layer. .

In particular, in the technical solution of the present application, when both the first waterproof member 4 and the second waterproof member 5 include a glue layer, because in the present application, only between the lens 1 and the lens holder 2, and between the lens holder 2 and the upper A glue layer is arranged between the covers 4. Compared with the solution in the related art that the three are completely connected to each other by glue, the amount of glue can be reduced, and the glue can squeeze the lens 1 during thermal expansion and contraction, which can cause the lens 1 to be out of focus. probability.

In order to describe the technical solutions of the present application in detail, the following will describe specific sealing methods between the lens 1 and the lens holder 2 and between the lens holder 2 and the upper cover 3 .

As shown in FIG. 1 to FIG. 4 , the lens 1 may include a fixing part 11 and an imaging part 12 , the imaging part 12 may be arranged at one end of the fixing part 11 , and the imaging part 12 may be located at the fixing part 11 relative to the fixing part 11 . projecting outward in the radial direction. In order to adapt to the shape of the lens 1, the mounting slot 21 may include a first sub-slot 211 and a second sub-slot 212 that communicate with each other, the second sub-slot 212 is located at one end of the first sub-slot 211, and the second sub-slot 212 The radial direction of the first sub-slot 211 may extend outward with respect to the first sub-slot 211 .

The fixing part 11 of the lens 1 can be assembled into the first sub-slot 211 , for example, the fixing part 11 can be fixed with the lens 1 by screwing or bonding. At least a part of the camera portion 12 may be located in the second sub-slot 212, for example, the camera portion 12 may be assembled in the second sub-slot 212, or may be flush with the top surface of the second sub-slot 212, or may also be as shown in FIG. 3 The shown imaging portion 12 protrudes from the second sub-slot 212 . It can be understood that the camera 100 mainly acquires images through the camera portion 12 , so the camera portion 12 is usually arranged closer to the outside of the camera 100 than the fixing portion 11 , so the first waterproof member 4 can be arranged in the second sub-slot. 212 and the imaging part 12, to seal the gap between the second sub-groove 212 and the imaging part 12, and seal the gap between the lens 1 and the lens holder 2 to prevent the infiltration of moisture.

Specifically, the second sub-slot 212 may include a sub-slot abutting surface 2121 extending radially outward from one end edge of the first sub-slot 211 , and the camera portion 12 may include an abutting surface 2121 facing the sub-slot abutting surface 2121 . In contact with the mating surface 121, the first waterproof member 4 can be arranged between the sub-groove abutting surface 2121 and the abutting mating surface 121, so as to seal the gap between the groove abutting surface 2121 and the abutting mating surface 121, and moisture cannot pass through the gap. The gap between the groove abutting surface 2121 and the abutting mating surface 121 penetrates between the fixing portion 11 and the first sub-groove 121 . Further, there will also be a certain assembly gap between the outer peripheral surface of the imaging portion 12 and the inner peripheral surface of the second sub-slot 212 , so the first waterproof member 4 can also be disposed between the outer peripheral surface of the imaging portion 12 and the second sub-slot 212 . Between the inner peripheral surfaces of the sub-grooves 212 , the gap between the outer peripheral surface of the imaging unit 12 and the inner peripheral surface of the second sub-groove 212 is sealed. Wherein, when the first waterproof member 4 includes a glue layer, the glue layer can be made by injecting glue through the gap between the outer peripheral surface of the camera portion 12 and the inner peripheral surface of the second sub-groove 212, and then the glue is allowed to stand on the The space between the abutting surface 2121 of the sub-groove and the abutting mating surface 121 and the space between the outer peripheral surface of the imaging portion 12 and the inner peripheral surface of the second sub-groove 212 are sealed and formed by solidification.

Of course, in other embodiments, the first waterproof member 4 may also only seal the gap between the outer peripheral surface of the imaging portion 12 and the inner peripheral surface of the second sub-slot 212, or the sub-slot contact surface 2121 and the contact surface For the gap between the mating surfaces 121, reference may be made to the above-mentioned embodiments for the specific implementation manner, which will not be repeated here. Wherein, as shown in FIG. 5 , the gap D1 between the sub-slot abutting surface 2121 and the abutting mating surface 121 may be greater than or equal to 0.3 mm and less than or equal to 0.5 mm, that is, 0.3 mm≤D1≤0.5 mm; The gap D2 between the outer peripheral surface of the 12 and the inner peripheral surface of the second sub-slot 212 may be greater than or equal to 1.5 mm and less than or equal to 1.8 mm, that is, 1.5 mm≤D2≤1.8 mm.

The assembly between the lens holder 2 and the upper cover 3 can be in the manner exemplified in the following embodiments. As shown in FIGS. 1-5 , the lens holder 2 may include a support portion 23 extending outward from the outer peripheral surface of the mounting groove 21 in the radial direction of the mounting groove 21 , and the self-supporting portion 23 extending along the axial direction of the mounting groove 21 . The annular rib 24, the outer peripheral surface of the annular rib 24, the support portion 23 and the mounting groove 21 form a matching groove 22. The mounting groove 21 and the matching groove 22 share the same side wall, which can simplify the structure of the lens holder 2 . The width D3 of the fitting groove 22 can be greater than or equal to 5 mm and less than or equal to 7 mm, that is, the outer peripheral surface of the mounting groove 21 and the inner peripheral surface of the annular rib 24 The separation distance between them is D3, the 5mm≤D3≤7mm. In order to reduce the assembly stress and strengthen the strength of the annular rib 24 , as shown in FIG. The lens holder 2 may include one or more reinforcing ribs 25 to reduce stress through the one or more reinforcing ribs 25 .

In some embodiments, there is a gap between the bottom surface of the matching groove 22 and the free end of the matching rib 32 extending into the matching groove 22, and the second waterproof member 5 can be disposed on the bottom surface of the matching groove 22 and the matching rib. The strip 32 extends between the free ends in the matching groove 22 to seal the gap between the bottom surface of the matching groove 22 and the free end of the matching rib 32 extending into the matching groove 22 to prevent moisture from passing through the lens holder 2 and the upper The assembly gap between the covers 3 penetrates into the camera 100 . As shown in FIG. 5 , the gap D3 between the free end in the matching groove 22 and the groove bottom surface of the matching groove 22 may be greater than or equal to 1 mm and less than or equal to 3 mm, that is, 1 mm≤D4≤3mm. The thickness of the second waterproof member 5 may be equal to the gap D4 between the free end in the matching groove 22 and the groove bottom surface of the matching groove 22 , or may be greater than the gap D4 between the free end in the matching groove 22 and the groove bottom surface of the matching groove 22 . Gap D4.

In other embodiments, the upper cover 3 may include an annular body 33 and an extension portion 34 , and the extension portion 34 may extend radially from the inner surface of one end of the annular body 33 into the annular body 33 , and the first opening 31 is provided with On the extension portion 34 , the first opening 31 can be formed around the extension portion 34 . The matching rib 32 can extend from the inner edge of the first opening 31 to the other end of the annular main body 33 into the matching groove 22 , and since the matching groove 22 is formed by the annular rib 24 , the annular rib 24 faces the extending portion 34 . There will be an assembly gap between the end of the ring rib 24 and the extension part 24, so in order to avoid water leakage, the second waterproof member 5 can be arranged between the end of the annular rib 24 facing the extension part 34 and the extension part 24 to seal the annular rib 24 The end facing the extension 34 and the gap between the extension 24 . That is, the gap D5 shown in FIG. 5 , the gap D5 may be greater than or equal to 0.2 mm and less than or equal to 0.5 mm, that is, 0.2 mm≤D5≤0.5 mm. Of course, in other embodiments, between the end of the annular rib 24 facing the extension part 34 and the extension part 24 , and the groove bottom surface of the matching groove 22 and the free end of the matching rib 32 extending into the matching groove 22 A second waterproof member 5 is arranged between them, and the annular rib 24 faces between the end of the extension portion 34 and the extension portion 24 , the groove bottom surface of the matching groove 22 and the free end of the matching rib 32 extending into the matching groove 22 The second waterproof member 5 disposed between can be the same waterproof member or different waterproof members, which is not limited in this application.

In particular, when the second waterproof member 5 includes a glue layer, in order to be able to protrude between the end of the annular rib 24 facing the extension portion 34 and the extension portion 24, and/or the groove bottom surface of the matching groove 22 and the matching rib 32 A glue layer is formed between the free ends in the matching groove 22, and a glue injection port needs to be formed on the camera 100 so as to pour glue to obtain a glue layer.

Therefore, as shown in FIGS. 6 and 7 , the upper cover 3 may include a first arc-shaped rib 35 located at the edge of the first opening 31 and connected to the extension portion 34 , and the first arc-shaped rib 35 faces from the surface of the extension portion 34 toward the extension portion 34 . The first arc-shaped rib 35 extends in a direction away from the bottom of the matching groove 22 , and the first arc-shaped rib 35 is away from the first opening 31 relative to the fixed end of the matching rib 32 . In other words, for the extension portion 34 , the first arc-shaped rib 35 and the matching rib 32 extend in different directions, and the first arc-shaped rib 35 is disposed farther away from the first opening 31 , which can be used for injection of glue. When leaving the space, the glue can flow into the matching groove 22 along the matching rib 32, and the surface of the extension part 34 is blocked by the first arc-shaped rib 34, which can prevent the glue from flowing around and causing dirt.

The matching rib 32 may include an inclined rib 321, one end of the inclined rib 321 extends obliquely toward the bottom of the matching groove 22 and the direction in the first opening 321, and the other end of the inclined rib 321 faces the first arc The space surrounded by the rib 35 extends, and the inclined rib 321 is sealed with the matching groove 22 . By cooperating with the inclined arrangement of the ribs 321, it is beneficial to control the speed of glue injection. The inclined rib 321 can be arranged in a ring shape to match with the bottom surface of the matching groove 22, so that glue can be injected at each position. Alternatively, as shown in FIGS. 6 and 7 , the matching rib 32 may further include a second arc-shaped rib 322 , and the part of the second arc-shaped rib 322 extending toward the bottom of the matching groove 22 is connected with the inclined rib 321 , In this way, a glue injection port can be formed at the position where the inclined rib 321 is located, and the sealing connection between the inclined rib 321 and the matching groove 22 and the sealing connection between the second arc-shaped rib 322 and the matching groove 22 can be performed. To achieve waterproofing, and due to the reduction of the glue injection port, the residue of glue on the inclined rib 321 can be reduced. The second arc-shaped rib 322 extends away from the bottom of the matching groove 22 to connect with the first arc-shaped rib 35 , so that the area outside the first arc-shaped rib 35 can be blocked by the second arc-shaped rib 322 to prevent The glue flows to various positions of the extension 34, causing contamination.

Still as shown in FIG. 6 and FIG. 7 , the upper cover 3 may further include a claw 37 , the claw 37 is connected with the extension part 34 and extends from the surface of the extension part 34 along the depth direction of the matching groove 22 . 37 can be snapped with the support portion 23 of the lens holder 2 . In order to facilitate the assembly, the clamping claw 37 may include a main body 371 extending from the surface of the extension part 34 and a hook 372 extending from the end of the main body 371 into the first opening 31 , the hook 372 and the supporting part 23 being away from the lens 1 . The upper cover 3 can also include abutting posts 38 , which also extend from the surface of the extension portion 23 along the depth direction of the matching groove 22 , and the abutting posts 38 abut against the surface of the support portion 34 facing the lens 1 . In this connection, the support portion 23 can be restricted between the abutting post 38 and the hook 372 to prevent the lens holder 2 from rotating or moving in the axial direction of the first opening 1 . Further, the upper cover 3 may further include a positioning post 39 extending from the surface of the extension portion 34 along the depth direction of the matching groove 22 , and the support portion 23 may include a positioning hole 231 , and the matching between the positioning hole 231 and the positioning post 39 may be Positioning is performed during the assembly process of the upper cover 3 and the lens holder 2 .

Other embodiments of the present application will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses or adaptations of this application that follow the general principles of this application and include common knowledge or conventional techniques in the technical field not disclosed in this application . The specification and examples are to be regarded as exemplary only, with the true scope and spirit of the application being indicated by the following claims.

It is to be understood that the present application is not limited to the precise structures described above and shown in the accompanying drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A camera, comprising:

a lens;

the lens support comprises a mounting groove and a matching groove, the matching groove is positioned on the outer side of the mounting groove, and the lens is assembled in the mounting groove and is connected with the mounting groove in a sealing manner;

the upper cover, with the lens holder is connected, the upper cover includes first opening and encircles the cooperation rib of first opening, the lens holder stretches into first opening, the cooperation rib stretches into in the cooperation groove the week of cooperation groove go up with cooperation groove sealing connection.

2. The camera of claim 1, further comprising:

the first waterproof piece is arranged between the mounting groove and the lens and used for sealing a gap between the mounting groove and the lens;

the second waterproof piece is arranged between the matching rib and the matching groove and used for sealing a gap between the matching rib and the matching groove;

the first and/or second flashing comprises a glue layer.

3. The camera according to claim 2, wherein the lens includes a fixed portion and an image pickup portion provided at one end of the fixed portion and projecting outward in a radial direction with respect to the fixed portion;

the mounting groove comprises a first sub-groove and a second sub-groove which are mutually communicated, the second sub-groove is located at one end of the first sub-groove and radially and outwards extends relative to the first sub-groove, the fixing part is assembled in the first sub-groove, at least one part of the image pickup part is located in the second sub-groove, the first waterproof part is arranged between the second sub-groove and the image pickup part, and a gap between the second sub-groove and the image pickup part is sealed.

4. The camera according to claim 3, wherein the second subslot includes a subslot abutment surface extending outward in a radial direction from one end edge of the first subslot, the image pickup portion includes an abutment mating surface facing the subslot abutment surface, and the first waterproof member is provided between the abutment mating surface of the image pickup portion and the subslot abutment surface of the second subslot, sealing a gap between the abutment mating surface and the subslot abutment surface; and/or

The first waterproof piece is arranged between the outer peripheral surface of the image pickup part and the inner peripheral surface of the second sub-groove and seals the gap between the outer peripheral surface of the image pickup part and the inner peripheral surface of the second sub-groove.

5. The camera of claim 2, wherein a gap is provided between a free end of the engagement rib that extends into the engagement groove and a groove bottom surface of the engagement groove, and wherein the second waterproof member is provided between the free end of the engagement rib and the groove bottom surface of the engagement groove to seal the gap between the free end of the engagement rib and the groove bottom surface of the engagement groove.

6. The camera according to claim 2, wherein the lens holder includes a support portion extending outward in a radial direction of the mounting groove from an outer peripheral surface of the mounting groove, and an annular rib extending in an axial direction of the mounting groove from the support portion, the annular rib, the support portion, and the outer peripheral surface of the mounting groove enclosing the fitting groove.

7. The camera of claim 6, wherein the upper cover includes an annular main body and an extension portion extending radially inward of the annular main body from an inner surface of one end of the annular main body, the first opening is provided in the extension portion, the engagement rib extends into the engagement groove from an inner edge of the first opening toward the other end of the annular main body, a gap is provided between an end of the annular rib facing the extension portion and the extension portion, and the second waterproof member is provided between an end of the annular rib facing the extension portion and the extension portion to seal the gap between the end of the annular rib facing the extension portion and the extension portion.

8. The camera of claim 7, wherein the upper cover includes a first arcuate rib at an edge of the first opening, the first arcuate rib extending from the extension in a direction away from a bottom of the mating slot, the first arcuate rib being spaced away from the first opening relative to the mating rib.

9. The camera of claim 8, wherein the engagement rib comprises an inclined rib, one end of the inclined rib extends obliquely toward the bottom of the engagement groove in a direction inside the first opening, the other end of the inclined rib extends toward a space surrounded by the first arc-shaped rib, and the inclined rib is connected with the engagement groove in a sealing manner.

10. The camera of claim 1, wherein the camera includes a decorative cover, the decorative cover includes a second opening, the decorative cover covers the upper cover, the second opening corresponds to the first opening, the lens extends into the second opening, a portion of the lens extends out of the decorative cover from the second opening, and the mirror surface of the lens is exposed out of the decorative cover.

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