CN111901509B

CN111901509B - Video camera

Info

Publication number: CN111901509B
Application number: CN202010691226.6A
Authority: CN
Inventors: 王飞锋
Original assignee: Hangzhou Hikvision Digital Technology Co Ltd
Current assignee: Hangzhou Hikvision Digital Technology Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2022-03-01
Anticipated expiration: 2040-07-17
Also published as: CN111901509A

Abstract

The application relates to 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 is connected with the lens support, the upper cover comprises a first opening and a matching rib surrounding the first opening, the lens support stretches into the first opening, and the matching rib stretches into the matching groove and is connected with the matching groove in the circumferential direction of the matching groove in a sealing mode. This application comes the clearance between sealed assembly back camera lens and the lens holder through the sealing connection between camera lens and the lens holder, come the clearance between sealed assembly back lens holder and the upper cover through the sealing connection between lens holder and the upper cover, can realize the camera lens, the sealing connection between camera lens holder and the upper cover three, can avoid outside moisture to get into the inside of camera from between two parts of interconnect, be favorable to improving the waterproof performance of camera.

Description

Video camera

Technical Field

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

Background

Currently, with the development of video monitoring technology, cameras have been applied to monitoring in many production lives, so that users can know and become familiar with current production related conditions. In particular, in some aquaculture or relatively humid environments, the camera is exposed to humid air or placed directly in water, which can easily cause moisture to penetrate into the camera and cause damage. Therefore, it is a problem to be solved urgently to improve the waterproof performance of the camera.

Disclosure of Invention

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

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

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.

The technical scheme provided by the embodiment of the application can have the following beneficial effects:

according to the embodiment, the camera lens and the camera lens support are in sealed connection through the sealing connection between the camera lens and the camera lens support, the gap between the camera lens support and the upper cover is in sealed connection through the sealing connection between the camera lens support and the upper cover, the sealing connection among the camera lens, the camera lens support and the upper cover can be achieved, external moisture can be prevented from entering the camera from two parts connected with each other, and the waterproof performance of the camera is improved.

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

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.

FIG. 1 is an exploded schematic view of a camera shown in accordance with an exemplary embodiment.

Fig. 2 is a schematic structural view of the lens holder of 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 barrel in fig. 1.

Fig. 5 is an exploded schematic view of the camera of fig. 1 without the first and second waterproof members.

Fig. 6 is a first angular schematic view of the upper cover of fig. 1.

Fig. 7 is a second angular schematic view of the upper cover of fig. 1.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in 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 also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

"plurality" means at least two. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

Fig. 1 is an exploded view of a video camera 100 according to an exemplary embodiment, and fig. 2 is a structural view of a lens holder 2 of fig. 1. As shown in fig. 1 and 2, the camera 100 may include a lens 1, a lens holder 2, and an upper cover 3. Wherein, the lens holder 2 may include a mounting groove 21 and a fitting groove 22, and the fitting groove 22 may be located outside the mounting groove 21, and the lens 1 may be assembled into the mounting groove 21 and hermetically connected to the lens 1 to prevent moisture or other liquid from flowing into the inside of the camera 100 from a gap between the mounting groove 21 and the lens 1. Specifically, the mounting groove 21 may be disposed around the lens 1, and the sealing connection between the mounting groove 21 and the lens 1 may refer to the sealing connection between the inner circumferential surface of the mounting groove 21 and the outer circumferential surface of the lens 1. The mounting groove 21 may be an annular mounting groove or a mounting groove having another shape, and the present application is not limited thereto.

The upper cover 3 may be coupled to the lens holder 2, and the upper cover 3 may form a part of the surface of the camera 100 to be synchronized as a decoration. The upper cover 3 may include a first opening 31 and a fitting rib 32 disposed around the first opening 31, the lens holder 2 may extend into the first opening 31 to extend out of the upper cover 3, and the fitting rib 32 may extend into the fitting groove 22, and the fitting rib 32 may be in sealing connection with the fitting groove 22 in the circumferential direction of the fitting groove 22, so as to prevent moisture or other liquid from entering the camera 100 from a gap between the mounting holder 2 and the upper cover 3.

In the technical scheme of this application, through the sealed clearance between 1 and the lens holder 2 of the sealed assembly back camera lens of the sealing connection between 1 and the lens holder 2, through the sealed clearance between the assembly back lens holder 2 and the upper cover 3 of the sealing connection between 2 and the upper cover 3 of lens holder, can realize camera lens 1, the sealing connection between 3 three of lens holder 2 and upper cover, can avoid outside moisture to get into the inside of camera 100 from between two parts of interconnect, be favorable to improving camera 100's waterproof performance.

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, the lens 1 extends into the second opening 41, and a portion of the lens 1 extends out of the decorative cover 4 from the second opening 41, and the mirror surface of the lens 1 may be exposed out of the decorative cover 4. Therefore, the lens 1 is directly exposed without being protected by other lens protection covers, so that the process can be simplified, the assembly clearance is reduced, and the waterproof performance is improved. Moreover, especially when the camera 100 can be applied to a dirty environment such as a multi-aquaculture farm, the cleaning can be achieved by directly wiping the lens 1. The decorative cover 4 and the upper cover 3 may be assembled by adhesion. For example, the upper cover 3 may include a glue groove 36, and the decorative cover 4 may include a bar-shaped post 42, and the bar-shaped post 42 may be inserted into the glue groove 36 to fix the decorative cover 4, or in other embodiments, the decorative cover 4 may be fixed by clipping 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 to the upper cover 3, and the sealing ring 6 may be disposed between the upper cover 3 and the lower cover 5 to seal an assembly gap between the upper cover 3 and the lower cover 5, thereby improving waterproof performance.

A specific waterproof structure may be as shown in fig. 2, the camera 100 may further include a first waterproof member 4 and a second waterproof member 5, the first waterproof member 4 may be disposed between the mounting groove 21 and the lens 1 to seal a gap between the mounting groove 21 and the lens 1, and similarly, the second waterproof member 5 may be disposed between the fitting rib 32 and the fitting groove 22 to seal a gap between the fitting rib 32 and the fitting groove 22. The first waterproof member 4 and the second waterproof member 5 may be made of the same or different materials, and the first waterproof member 4 may include a seal ring or a glue layer, and the second waterproof member 5 may also include a seal ring or a glue layer.

Especially, in the technical scheme of this application, when first waterproof 4 and second waterproof 5 all include the glue layer, because only need set up the glue layer between camera lens 1 and lens holder 2 in this application, between lens holder 2 and upper cover 4, for the scheme that connects the three each other completely through glue among the relevant art, can reduce the quantity of glue, can reduce the probability that glue extrudes camera lens 1, leads to camera lens 1 virtual burnt when expend with heat and contract with cold.

To explain the technical solution of the present application in detail, the following description will be directed to a specific sealing manner 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 4, the lens barrel 1 may include a fixing portion 11 and an image pickup portion 12, the image pickup portion 12 may be provided at one end of the fixing portion 11, and the image pickup portion 12 may protrude outward in a radial direction of the fixing portion 11 with respect to the fixing portion 11. In order to fit the shape of the lens 1, the mounting groove 21 may include a first sub-groove 211 and a second sub-groove 212 communicating with each other, the second sub-groove 212 is located at one end of the first sub-groove 211, and the second sub-groove 212 may extend outward in a radial direction of the first sub-groove 211 with respect to the first sub-groove 211.

The fixing portion 11 of the lens 1 may be assembled into the first sub-groove 211, for example, the fixing portion 11 may be fixed to the lens 1 by screwing or bonding. At least a portion of the camera portion 12 may be located in the second sub-groove 212, for example, the camera portion 12 may be fitted in the second sub-groove 212, or may be flush with the top surface of the second sub-groove 212, or the camera portion 12 may protrude from the second sub-groove 212 as shown in fig. 3. It is understood that the camera 100 mainly obtains images through the image pickup portion 12, so the image pickup portion 12 is generally disposed closer to the outside of the camera 100 than the fixing portion 11, so the first waterproof member 4 may be disposed between the second sub-groove 212 and the image pickup portion 12 to seal the gap between the second sub-groove 212 and the image pickup portion 12, and seal the gap between the lens 1 and the lens holder 2 to prevent moisture from penetrating.

Specifically, the second sub-groove 212 may include a sub-groove abutment surface 2121 extending outward in the radial direction from one end edge of the first sub-groove 211, the image pickup part 12 may include an abutment mating surface 121 facing the sub-groove abutment surface 2121, and the first waterproof member 4 may be disposed between the sub-groove abutment surface 2121 and the abutment mating surface 121 so as to seal a gap between the groove abutment surface 2121 and the abutment mating surface 121, and moisture may not penetrate between the fixing part 11 and the first sub-groove 121 through the gap between the groove abutment surface 2121 and the abutment mating surface 121. Further, since there is a certain fitting gap between the outer peripheral surface of the imaging unit 12 and the inner peripheral surface of the second sub-groove 212, the first waterproof member 4 may be provided between the outer peripheral surface of the imaging unit 12 and the inner peripheral surface of the second sub-groove 212 to seal the gap between the outer peripheral surface of the imaging unit 12 and the inner peripheral surface of the second sub-groove 212. When the first waterproof member 4 includes a glue layer, the glue layer may be formed by standing the glue between the sealing sub-groove abutting surface 2121 and the abutting mating surface 121 and between the outer circumferential surface of the imaging part 12 and the inner circumferential surface of the second sub-groove 212 and then solidifying the glue after injecting the glue through the gap between the outer circumferential surface of the imaging part 12 and the inner circumferential surface of the second sub-groove 212.

Of course, in other embodiments, the first waterproof member 4 may only seal the gap between the outer circumferential surface of the imaging part 12 and the inner circumferential surface of the second sub-groove 212, or the gap between the sub-groove abutting surface 2121 and the abutting mating surface 121, and specific embodiments may refer to the above embodiments, and are not described herein again. As shown in FIG. 5, the clearance D1 between the sub-slot abutting surface 2121 and the abutting mating surface 121 may be greater than or equal to 0.3mm and less than or equal to 0.5mm, i.e., 0.3 mm. ltoreq. D1. ltoreq.0.5 mm; the clearance D2 between the outer circumferential surface of the imaging part 12 and the inner circumferential surface of the second sub-groove 212 may be greater than or equal to 1.5mm and less than or equal to 1.8mm, i.e., 1.5mm < D2 < 1.8 mm.

The assembly between the lens holder 2 and the upper cover 3 may be in the manner exemplified in the embodiments described below. As shown in fig. 1 to 5, the lens holder 2 may include a support portion 23 extending outward from an outer circumferential surface of the mounting groove 21 in a radial direction of the mounting groove 21, and an annular rib 24 extending from the support portion 23 in an axial direction of the mounting groove 21, the annular rib 24, the support portion 23, and the outer circumferential surface of the mounting groove 21 enclosing a fitting groove 22. The mounting groove 21 and the fitting groove 22 share the same side wall, and the structure of the lens holder 2 can be simplified. The width D3 of the matching groove 22 surrounded by the annular rib 24, the supporting part 23 and the outer peripheral surface of the mounting groove 21 can be more than or equal to 5mm and less than or equal to 7mm, namely the spacing distance between the outer peripheral surface of the mounting groove 21 and the inner peripheral surface of the annular rib 24 is D3, and the distance is more than or equal to 5mm and less than or equal to D3 and less than or equal to 7 mm. In order to reduce the assembling stress and reinforce the strength of the annular rib 24, as shown in fig. 2, the lens holder 2 may further include a reinforcing rib 25, and the reinforcing rib 25 is connected to the supporting portion 23 and the outer circumferential surface of the annular rib 24. The lens holder 2 may include one or more ribs 25 to reduce stress by the one or more ribs 25.

In some embodiments, there is a gap between the bottom surface of the mating groove 22 and the free end of the mating rib 32 extending into the mating groove 22, and the second waterproof member 5 may be disposed between the bottom surface of the mating groove 22 and the free end of the mating rib 32 extending into the mating groove 22 to seal the gap between the bottom surface of the mating groove 22 and the free end of the mating rib 32 extending into the mating groove 22, thereby preventing moisture from permeating into the camera 100 through the assembly gap between the lens holder 2 and the upper cover 3. As shown in FIG. 5, the clearance D3 between the free end in the mating groove 22 and the groove bottom surface of the mating groove 22 may be greater than or equal to 1mm and less than or equal to 3mm, i.e., 1 mm. ltoreq. D4. ltoreq.3 mm. The thickness of the second waterproof member 5 may be equal to the gap D4 between the free end in the fitting groove 22 and the groove bottom surface of the fitting groove 22, or may be larger than the gap D4 between the free end in the fitting groove 22 and the groove bottom surface of the fitting groove 22.

In other embodiments, the upper cover 3 may include an annular main body 33 and an extension portion 34, the extension portion 34 may extend from an inner surface of one end of the annular main body 33 toward the inside of the annular main body 33 in a radial direction, and the first opening 31 is provided on the extension portion 34, that is, the first opening 31 may be formed by being surrounded by the extension portion 34. The fitting rib 32 may extend from the inner edge of the first opening 31 to the other end of the annular body 33 into the fitting groove 22, and since the fitting groove 22 is formed by being surrounded by the annular rib 24, there may be a fitting gap between the end of the annular rib 24 facing the extension 34 and the extension 24, and therefore, in order to avoid water leakage, the second waterproof member 5 may be disposed between the end of the annular rib 24 facing the extension 34 and the extension 24, sealing the gap between the end of the annular rib 24 facing the extension 34 and the extension 24. I.e., the gap D5 shown in FIG. 5, the gap D5 may be greater than or equal to 0.2mm and less than or equal to 0.5mm, i.e., 0.2mm < D5 < 0.5 mm. Of course, in some embodiments, the second waterproof member 5 may be disposed between the end of the annular rib 24 facing the extension portion 34 and the extension portion 24, and between the groove bottom surface of the fitting groove 22 and the free end of the fitting rib 32 extending into the fitting groove 22, and the second waterproof member 5 disposed between the end of the annular rib 24 facing the extension portion 34 and the extension portion 24, and between the groove bottom surface of the fitting groove 22 and the free end of the fitting rib 32 extending into the fitting groove 22 may be the same waterproof member or different waterproof members, which is not limited in this application.

In particular, when the second flashing 5 comprises a glue layer, in order to be able to form a glue layer between the end of the annular rib 24 facing the extension 34 and the extension 24 and/or between the groove bottom of the mating groove 22 and the free end of the mating rib 32 projecting into the mating groove 22, a glue injection opening needs to be formed in the camera 100 in order to obtain the glue layer by injecting glue.

Therefore, as shown in fig. 6 and 7, the upper cover 3 may include a first arc rib 35 connected to the extension portion 34 at the edge of the first opening 31, the first arc rib 35 extends from the surface of the extension portion 34 in a direction away from the bottom of the fitting groove 22, and the fixed end of the first arc rib 35 relative to the fitting rib 32 is away from the first opening 31. In other words, for the extending portion 34, the first arc-shaped rib 35 and the matching rib 32 extend towards different directions, and the first arc-shaped rib 35 is further away from the first opening 31, so that a space can be reserved for injecting glue, the glue can flow into the matching groove 22 along the matching rib 32, and the glue can be prevented from flowing around and causing dirt due to the blocking of the first arc-shaped rib 34 on the surface of the extending portion 34.

The fitting rib 32 may include an inclined rib 321, one end of the inclined rib 321 extends obliquely toward the bottom of the fitting groove 22 and the direction inside the first opening 321, the other end of the inclined rib 321 extends toward the space surrounded by the first arc rib 35, and the inclined rib 321 is connected with the fitting groove 22 in a sealing manner. Through the slope setting of cooperation rib 321, be favorable to controlling the speed that glue was injected. The inclined ribs 321 may be annularly disposed to be matched with the bottom surface of the matching groove 22, so that glue can be injected at each position. Alternatively, as shown in fig. 6 and 7, the mating rib 32 may further include a second arc rib 322, and a portion of the second arc rib 322 extending toward the bottom of the mating groove 22 is connected to the inclined rib 321, so that a glue injection opening may be formed at a position where the inclined rib 321 is located, and water proofing may be achieved through the sealing connection between the inclined rib 321 and the mating groove 22 and the sealing connection between the second arc rib 322 and the mating groove 22, and due to the reduction of the glue injection opening, the residue of glue on the inclined rib 321 may be reduced. Second arc rib 322 extends to and is connected with first arc rib 35 towards the direction of keeping away from the cooperation groove 22 bottom to the region outside first arc rib 35 can prevent that glue from flowing to each position of extension 34, causing smudginess through blockking of second arc rib 322.

As shown in fig. 6 and 7, the upper cover 3 may further include a claw 37, the claw 37 is connected to the extension portion 34 and extends from the surface of the extension portion 34 in the depth direction of the fitting groove 22, and the claw 37 may be engaged with the support portion 23 of the lens holder 2. In order to facilitate assembly of the latch 37, the latch may include a main body 371 extending from a surface of the extending portion 34 and a hook 372 extending from an end of the main body 371 into the first opening 31, the hook 372 abuts against a surface of the supporting portion 23 away from the lens 1, the upper cover 3 may further include a supporting pillar 38, the supporting pillar 38 also extends from the surface of the extending portion 23 along a depth direction of the fitting groove 22, the supporting pillar 38 abuts against a surface of the supporting portion 34 facing the lens 1, that is, the supporting portion 23 may be limited between the supporting pillar 38 and the hook 372, and the lens holder 2 is prevented from rotating or shifting in an axial direction of the first opening 1. Further, the upper cover 3 may further include a positioning post 39 extending from a surface of the extending portion 34 in a depth direction of the fitting groove 22, and the supporting portion 23 may include a positioning hole 231, and the fitting of the positioning hole 231 and the positioning post 39 may be positioned during the assembling of the upper cover 3 and the lens holder 2.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the 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

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, the lens is assembled in the mounting groove and is in sealing connection with the mounting groove, and the inner surface of the mounting groove is in sealing connection with the outer surface of the lens;

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.