CN115334224A

CN115334224A - Waterproof camera

Info

Publication number: CN115334224A
Application number: CN202211043236.4A
Authority: CN
Inventors: 唐志斌
Original assignee: Guangzhou Jinghua Precision Optics Co ltd
Current assignee: Guangzhou Jinghua Precision Optics Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-11-11

Abstract

The invention belongs to the technical field of camera equipment, and discloses a waterproof camera which comprises a shell assembly, a decorative cover, a lens and a wiring harness plug-in, wherein a sealed space is formed inside the shell assembly, and a circuit board assembly is arranged in the sealed space; the decorative cover is tightly covered at the front end of the shell component and is provided with a first through hole; the lens is assembled in the first through hole in an interference mode and is aligned to a photosensitive area on the circuit board assembly; the wiring harness plug-in is tightly inserted at one side of the shell assembly, which is far away from the lens, and the wiring harness plug-in is electrically connected with the circuit board assembly. The waterproof camera can reduce the corrosion phenomenon and improve the waterproof capability.

Description

Waterproof camera

Technical Field

The invention relates to the technical field of cameras, in particular to a waterproof camera.

Background

The application range of camera is extensive, divide into two kinds with fixed mode, the first kind is that the camera is fixed on non-moving object, for example the camera is fixed on the building, the second kind is that the camera is fixed on moving object, for example the camera is fixed on the vehicle, correspond the fixed mode of second kind, it is stricter to require waterproof performance, the shake that the vehicle produced at the removal in-process probably causes the camera product not hard up, waterproof performance descends, consequently, need better connection stability between each part of camera, it is not hard up to avoid appearing, guarantee that water smoke can not enter into the inside of camera. However, although the conventional waterproof camera can improve the waterproof grade to IP6K9K, the parts of the waterproof camera are usually fixed by a large number of screws, and the screws arranged on the periphery of the camera are prone to generate galvanic corrosion, so that liquid generated by corrosion flows into the camera, and internal elements are affected with damp.

Therefore, a waterproof camera is needed to reduce the corrosion and improve the waterproof capability.

Disclosure of Invention

One object of the present invention is: the waterproof camera reduces corrosion and improves waterproof capability.

In order to achieve the purpose, the invention adopts the following technical scheme:

a waterproof camera, comprising:

the shell assembly is internally provided with a sealed space, and a circuit board assembly is arranged in the sealed space;

the decorative cover is tightly covered at the front end of the shell component, and a first through hole is formed in the decorative cover;

the lens is assembled in the first through hole in an interference mode, and the lens is aligned to a photosensitive area on the circuit board assembly;

and the wiring harness plug-in is tightly inserted at one side of the shell component, which is far away from the lens, and the wiring harness plug-in is electrically connected with the circuit board component.

As an optional technical solution, one of the decorative cover and the housing assembly is provided with a first slot, and the other of the decorative cover and the housing assembly is provided with a first buckle, and the first buckle is clamped in the first slot.

As an optional technical solution, the first buckle is disposed on an inner wall of the decorative cover, the first clamping groove is disposed on an outer wall of the housing assembly, a sealing step is disposed on a side of the housing assembly facing the decorative cover, and when the first buckle is clamped in the first clamping groove, an end surface of the decorative cover is tightly abutted against the sealing step.

As an optional technical scheme, the casing subassembly includes preceding shell, backshell and waterproof circle, preceding shell with the connection can be dismantled to the backshell, preceding shell with the backshell encloses into sealed space, waterproof circle set up in preceding shell with between the backshell, waterproof circle is used for the shutoff preceding shell with clearance between the backshell.

As an optional technical solution, the housing assembly further includes a plurality of first fasteners, the front housing and the rear housing are fixedly connected by the first fasteners, and the first fasteners are located on the periphery of the waterproof ring.

As an optional technical solution, the end surface of the front shell is tightly abutted to the end surface of the rear shell, an accommodating ring groove is formed between the end surface of the front shell and the end surface of the rear shell, and the waterproof ring is tightly installed in the accommodating ring groove.

As an optional technical solution, a limiting post is disposed in the sealing space, the limiting post penetrates through the circuit board assembly, and the limiting post is used for limiting the rotation of the circuit board assembly around the central axis of the lens.

As an optional technical solution, a second fastening member is disposed in the sealed space, and the second fastening member is used for fixedly connecting the circuit board assembly with the front shell or the rear shell.

As an optional technical scheme, a connecting pin is inserted at the rear end of the shell assembly, a protective barrel is arranged on the periphery of the connecting pin, and the connecting pin is used for electrically connecting the circuit board assembly and the wiring harness plug-in unit.

As an optional technical solution, one of the housing assembly and the harness plug-in is provided with a second buckle, and the other of the housing assembly and the harness plug-in is provided with a second clamping groove, and the second buckle is clamped in the second clamping groove.

The invention has the beneficial effects that:

the invention provides a waterproof camera which comprises a shell assembly, a circuit board assembly, a decorative cover, a lens and a wiring harness plug-in unit, wherein the shell assembly is provided with a plurality of through holes; the decorative cover is tightly covered at the front end of the shell assembly, so that the appearance aesthetic feeling can be improved, dust and water can be prevented, and dust or water mist is prevented from entering the shell assembly from a gap between the lens and the shell assembly; according to the invention, the lens is assembled in the first through hole of the decorative cover in an interference manner, so that a gap can be prevented from being generated between the outer wall of the lens and the inner wall of the first through hole, dust and water mist can not penetrate through the first through hole to enter the shell assembly, and galvanic corrosion can not be generated between the lens and the decorative cover; according to the invention, the wire harness plug-in is tightly inserted into one side of the shell assembly, which is far away from the decorative cover, so that the wire harness plug-in is prevented from blocking light rays from entering the lens, and galvanic corrosion can not be generated between the wire harness plug-in and the shell assembly.

Drawings

The invention is explained in further detail below with reference to the figures and examples;

fig. 1 is a schematic structural diagram of a first viewing angle of a waterproof camera according to an embodiment;

fig. 2 is an exploded view of a first view angle of a waterproof camera according to an embodiment;

fig. 3 is a schematic structural diagram of a second viewing angle of the waterproof camera according to the embodiment;

FIG. 4 is an exploded view of a waterproof camera according to an embodiment at a second viewing angle;

FIG. 5 is a sectional view of the waterproof camera according to the embodiment;

fig. 6 is a partially enlarged view of a position a in fig. 5.

In the figure:

1. a housing assembly; 11. sealing the space; 12. a first card slot; 13. sealing the step; 14. a front housing; 15. a rear housing; 16. a waterproof ring; 17. a first fastener; 18. a receiving ring groove; 19. a limiting column; 110. a second fastener; 111. connecting pins; 112. a second buckle; 113. a protective barrel;

2. a circuit board assembly;

3. a decorative cover; 31. a first through hole; 32. a first buckle;

4. a lens;

5. a wire harness plug-in; 51. a second card slot; 52. a body; 53. and (4) a poking plate.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. 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 invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 6, the present embodiment provides a waterproof camera, which includes a housing assembly 1, a circuit board assembly 2, a cover 3, a lens 4, and a harness plug-in 5, wherein a sealed space 11 is formed inside the housing assembly 1, and the circuit board assembly 2 is disposed in the sealed space 11; the decorative cover 3 is tightly covered at the front end of the shell component 1, and a first through hole 31 is formed on the decorative cover 3; the lens 4 is assembled in the first through hole 31 in an interference manner, and the lens 4 is aligned to a photosensitive area on the circuit board assembly 2; the wiring harness plug-in 5 is tightly inserted at one side of the shell component 1, which is far away from the lens 4, and the wiring harness plug-in 5 is electrically connected with the circuit board component 2.

Specifically, the waterproof camera of this embodiment can be used on the vehicle, through the stability of being connected between reinforcement and the part, avoids leading to waterproof camera's waterproof performance to descend because of the vehicle vibration. In the embodiment, the decorative cover 3 is tightly covered at the front end of the shell assembly 1, so that the aesthetic feeling of the appearance can be improved, dust and water can be prevented, dust or water mist is prevented from entering the shell assembly 1 from a gap between the lens 4 and the shell assembly 1, and the connection stability of the decorative cover 3 and the shell assembly 1 can be improved; in the embodiment, the lens 4 is interference-assembled in the first through hole 31 of the decorative cover 3, so that a gap can be prevented from being generated between the outer wall of the lens 4 and the inner wall of the first through hole 31, and it is ensured that dust and water mist cannot pass through the first through hole 31 and enter the housing assembly 1, the lens 4 and the decorative cover 3 are not made of metal materials, and the lens 4 and the decorative cover 3 are not connected by adopting metal parts such as screws, so that the probability of galvanic corrosion generated between the lens 4 and the decorative cover 3 can be reduced, the situation that the lens 4 and the decorative cover 3 cannot be detached due to screw slipping is also avoided, and the connection stability of the lens 4 and the decorative cover 3 can be improved; in the embodiment, the harness plug-in 5 is tightly inserted into one side of the housing assembly 1, which is away from the decorative cover 3, so that the situation that the harness plug-in 5 and the housing assembly 1 cannot be detached due to screw slipping can be avoided, and the stability of connection between the harness plug-in 5 and the housing assembly 1 can be improved, because the harness plug-in 5 blocks light rays to enter the lens 4 and because the harness plug-in 5 and the housing assembly 1 are not connected by adopting metal parts such as screws and the like, the probability of galvanic corrosion between the harness plug-in 5 and the housing assembly 1 can be reduced.

Optionally, one of the decorative cover 3 and the housing assembly 1 is provided with a first slot 12, and the other of the decorative cover and the housing assembly is provided with a first buckle 32, where the first buckle 32 is clamped in the first slot 12. In this embodiment, the first fastener 32 is disposed on the cover 3, the first engaging groove 12 is disposed on the housing assembly 1, and the cover 3 and the housing assembly 1 are not connected by using metal parts such as screws, so as to reduce the probability of galvanic corrosion and avoid the situation that the cover 3 and the housing assembly 1 cannot be detached after the screws are screwed. In other embodiments, the first buckle 32 is disposed on the housing assembly 1, and the first engaging groove 12 is disposed on the decorative cover 3. Optionally, the first latch 32 is made of an elastic material, such as a plastic material.

In this embodiment, the first buckle 32 is disposed on the inner wall of the decorative cover 3, the first locking groove 12 is disposed on the outer wall of the housing assembly 1, the sealing step 13 is disposed on one side of the housing assembly 1 facing the decorative cover 3, and when the first buckle 32 is fastened to the first locking groove 12, the end surface of the decorative cover 3 is tightly abutted against the sealing step 13, so as to improve the waterproof and dustproof effects and achieve the protection level of IP6K 9K.

Optionally, the housing assembly 1 includes a front housing 14, a rear housing 15 and a waterproof ring 16, the front housing 14 is detachably connected to the rear housing 15, the front housing 14 and the rear housing 15 enclose a sealed space 11, the waterproof ring 16 is disposed between the front housing 14 and the rear housing 15, and the waterproof ring 16 is used for sealing a gap between the front housing 14 and the rear housing 15. The detachable front shell 14 and the detachable rear shell 15 are used for enclosing a sealed space 11, so that the disassembly is convenient, the circuit board assembly 2 in the sealed space 11 can be replaced, the decorative cover 3 is covered on the front shell 14, the wire harness plug-in 5 is connected with the rear shell 15, and the front shell 14 and the rear shell 15 are made of non-metal materials, so that the galvanic corrosion phenomenon cannot occur between the decorative cover 3 and the front shell 14 and between the wire harness plug-in 5 and the rear shell 15; and adopt waterproof circle 16 to set up between preceding shell 14 and backshell 15, can improve waterproof dustproof effect, reach IP6K 9K's protection level.

Optionally, the housing assembly 1 further includes a plurality of first fasteners 17, the front shell 14 and the rear shell 15 are fixedly connected by the first fasteners 17, and the first fasteners 17 are located on the periphery of the waterproof ring 16. In this embodiment, the first fastening members 17 are screws, the number of the first fastening members 17 is four, and the four first fastening members 17 fixedly connect the front housing 14 and the rear housing 15 at four corners, respectively, so that the connection stability of the front housing 14 and the rear housing 15 can be improved; the four first fastening pieces 17 are all located at the periphery of the waterproof ring 16, that is, the threaded holes respectively opened on the front shell 14 and the rear shell 15 are all located at the periphery of the waterproof ring 16, so even if water mist can penetrate through the threaded holes or screws on the front shell 14 or the rear shell 15 to corrode the threaded holes, the water mist or corrosive liquid can be blocked at the periphery by the waterproof ring 16 and cannot enter the sealed space 11.

Optionally, the end surface of the front shell 14 is tightly abutted to the end surface of the rear shell 15, a receiving ring groove 18 is formed between the end surface of the front shell 14 and the end surface of the rear shell 15, and the waterproof ring 16 is tightly installed in the receiving ring groove 18. An accommodating ring groove 18 is provided between the end surface of the front case 14 and the end surface of the rear case 15, and the waterproof ring 16 is tightly fitted in the accommodating ring groove 18, so that the overall thickness of the camera in the axial direction can be reduced, and the waterproof ring 16 can be fixed.

Optionally, be provided with spacing post 19 in the seal space 11, circuit board components 2 are worn to locate by spacing post 19, and spacing post 19 is used for injecing circuit board components 2 around the rotation of the central axis of camera lens 4, and when the vehicle was gone on the road surface of pit injustice, can avoid circuit board components 2 to rotate around the central axis of camera lens 4 and lead to camera lens 4 can't shine the photosensitive zone with light, and spacing post 19 can improve the imaging quality of camera.

Optionally, a second fastening member 110 is disposed in the sealed space 11, and the second fastening member 110 is used for fixedly connecting the circuit board assembly 2 with the front shell 14 or the rear shell 15. The number of the second fastening members 110 is two, the second fastening members 110 are screws, the second fastening members 110 are arranged in the sealed space 11, so that water vapor is prevented from adhering to the second fastening members 110, the second fastening members 110 are prevented from generating galvanic corrosion, and the second fastening members 110 can fix the circuit board assembly 2 in the sealed space 11.

Optionally, a connecting pin 111 is inserted at the rear end of the housing assembly 1, a protective tube 113 is disposed on the periphery of the connecting pin 111, and the connecting pin 111 is used for electrically connecting the circuit board assembly 2 and the harness plug-in unit 5. In the production process, the connecting pins 111 are placed on the forming mold, and the rear shell 15 with the connecting pins 111 is obtained after the plastic in the forming mold is formed, or the rear shell 15 with the connecting pins 111 can also be obtained by adopting other existing production processes, for example, a connecting hole is formed in the rear shell 15, and the connecting pins 111 are tightly inserted into the connecting hole. The protection tube 113 of the present embodiment can protect the connection pins 111 and prevent the connection pins 111 from being broken or bent.

Optionally, one of the housing assembly 1 and the harness insert 5 is provided with a second buckle 112, and the other of the housing assembly and the harness insert is provided with a second clamping groove 51, and the second buckle 112 is clamped in the second clamping groove 51. In this embodiment, the second buckle 112 is disposed on the rear shell 15, the second locking groove 51 is disposed on the harness plug-in unit 5, and the rear shell 15 and the harness plug-in unit 5 are connected by a non-metallic material, so as to avoid galvanic corrosion.

Optionally, the harness plug-in 5 includes a body 52 and a toggle plate 53, the middle of the toggle plate 53 is connected to the body 52, one end of the toggle plate 53 is provided with a second engaging groove 51, and the end of the toggle plate 53 provided with the second engaging groove 51 can be separated from the second buckle 112 by using the lever principle.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in some detail by the above embodiments, the invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the invention, and the scope of the invention is determined by the scope of the appended claims.

Claims

1. A waterproof camera, comprising:

the circuit board assembly comprises a shell assembly (1), wherein a sealed space (11) is formed inside the shell assembly (1), and a circuit board assembly (2) is arranged in the sealed space (11);

the decorative cover (3) is tightly covered at the front end of the shell component (1), and a first through hole (31) is formed in the decorative cover (3);

the lens (4) is assembled in the first through hole (31) in an interference mode, and the lens (4) is aligned with a photosensitive area on the circuit board assembly (2);

the wiring harness plug-in (5) is tightly inserted into one side, away from the lens (4), of the shell assembly (1), and the wiring harness plug-in (5) is electrically connected with the circuit board assembly (2).

2. The waterproof camera according to claim 1, wherein one of the decorative cover (3) and the housing assembly (1) is provided with a first slot (12), and the other one of the decorative cover and the housing assembly is provided with a first buckle (32), and the first buckle (32) is buckled in the first slot (12).

3. The waterproof camera according to claim 2, wherein the first buckle (32) is disposed on an inner wall of the decorative cover (3), the first slot (12) is disposed on an outer wall of the housing assembly (1), a sealing step (13) is disposed on a side of the housing assembly (1) facing the decorative cover (3), and when the first buckle (32) is buckled to the first slot (12), an end surface of the decorative cover (3) abuts against the sealing step (13).

4. The waterproof camera according to claim 1, wherein the housing assembly (1) includes a front housing (14), a rear housing (15), and a waterproof ring (16), the front housing (14) is detachably connected to the rear housing (15), the front housing (14) and the rear housing (15) enclose the sealed space (11), the waterproof ring (16) is disposed between the front housing (14) and the rear housing (15), and the waterproof ring (16) is used for blocking a gap between the front housing (14) and the rear housing (15).

5. The waterproof camera according to claim 4, characterized in that the housing assembly (1) further comprises a plurality of first fasteners (17), the front shell (14) and the rear shell (15) are fixedly connected by the first fasteners (17), and the first fasteners (17) are all located on the periphery of the waterproof ring (16).

6. The waterproof camera according to claim 5, wherein the end face of the front shell (14) is in close contact with the end face of the rear shell (15), a receiving ring groove (18) is formed between the end face of the front shell (14) and the end face of the rear shell (15), and the waterproof ring (16) is tightly installed in the receiving ring groove (18).

7. The waterproof camera according to claim 4, wherein a limiting column (19) is provided in the sealed space (11), the limiting column (19) penetrates through the circuit board assembly (2), and the limiting column (19) is used for limiting the rotation of the circuit board assembly (2) around the central axis of the lens (4).

8. The waterproof camera according to claim 4, characterized in that a second fastening member (110) is provided in the sealed space (11), the second fastening member (110) being used for fixedly connecting the circuit board assembly (2) with the front shell (14) or the rear shell (15).

9. The waterproof camera according to claim 1, wherein a connecting pin (111) is inserted into the rear end of the housing assembly (1), a protective tube (113) is arranged on the periphery of the connecting pin (111), and the connecting pin (111) is used for electrically connecting the circuit board assembly (2) and the wiring harness plug-in (5).

10. The waterproof camera according to claim 9, characterized in that one of the housing assembly (1) and the harness insert (5) is provided with a second snap (112), and the other of the two is provided with a second snap groove (51), the second snap (112) being snapped into the second snap groove (51).