CN112073604B

CN112073604B - Camera and assembling method thereof

Info

Publication number: CN112073604B
Application number: CN202010650072.6A
Authority: CN
Inventors: 张庆
Original assignee: Hangzhou Haikang Auto Software Co ltd
Current assignee: Hangzhou Haikang Auto Software Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2022-04-29
Anticipated expiration: 2040-07-07
Also published as: CN112073604A

Abstract

The embodiment of the application discloses a camera and an assembling method thereof, relates to the technical field of camera assembling, and aims to effectively avoid adverse effects of electrostatic radiation on the camera. The camera comprises a front cover and a PCB, wherein the PCB is provided with a photosensitive element; the front cover is provided with a first through hole, a lens corresponding to the photosensitive element is arranged at the first through hole, and a lens barrel of the lens is made of conductive materials; the camera further comprises an electric conductor, the electric conductor is operated to abut against a lens barrel of the lens after the lens is installed at the first through hole, and the lens barrel is electrically connected to a grounding end on the PCB or is used for abutting against a power line ground wire through the electric conductor. The embodiment of the application is suitable for assembling the camera.

Description

Camera and assembling method thereof

Technical Field

The application relates to the technical field of cameras, in particular to a camera and an assembling method thereof.

Background

In the current camera assembly structure adopting the plastic shell and the metal lens (mainly referring to the lens made of metal material) to be matched, because the lens belongs to a suspended metal part, in the Static test process, discharge arc for breaking through air can be generated due to charge accumulation, radiation is generated, interference is caused on a Sensor photosensitive device, and then an image is blocked or striped, so that the Static test standard of Electro-Static discharge (ESD) of a front loading factory can not be achieved.

Disclosure of Invention

In view of this, embodiments of the present application provide a camera and an assembly method thereof, which can effectively avoid adverse effects of electrostatic radiation on the camera.

In a first aspect, an embodiment of the present application provides a camera, including a front cover and a PCB, where the PCB has a photosensitive element; the front cover is provided with a first through hole, a lens corresponding to the photosensitive element is arranged at the first through hole, and a lens barrel of the lens is made of conductive materials; the camera further comprises an electric conductor, the electric conductor is operated to abut against a lens barrel of the lens after the lens is installed at the first through hole, and the lens barrel is electrically connected to a grounding end on the PCB or is used for abutting against a power line ground wire through the electric conductor.

According to a specific implementation manner of the embodiment of the application, a second through hole is formed in the position, corresponding to the electric conductor, of the PCB; the camera further comprises a rear cover which is matched and connected with the front cover, wherein an upright post is arranged on the rear cover, penetrates through the second through hole and abuts against the electric conductor, and the electric conductor abuts against the lens cone.

According to a specific implementation manner of the embodiment of the application, the conductive body is arranged between the PCB and the front cover.

According to a specific implementation manner of the embodiment of the application, the conductor comprises a conductor body, and a first conductive connecting part and a second conductive connecting part which are connected with the conductor body; the camera also comprises a rear cover which is matched and connected with the front cover, the conductor body is arranged between the PCB and the rear cover, and the first conductive connecting part extends to the lens cone and is abutted against the lens cone; the second conductive connecting part is abutted with a grounding end on the PCB; or the second conductive connecting part is used for being abutted against a power line and a ground line.

According to a specific implementation manner of the embodiment of the application, a third through hole is formed in a position, corresponding to the first through hole, of the PCB, and the conductor is inserted into the third through hole; the top end of the conductor is abutted against the lens cone; the tail end or the side part of the conductor is abutted with the grounding end on the PCB or is abutted with the ground wire of the power line.

According to a specific implementation manner of the embodiment of the application, the conductor comprises a plate-shaped conductor body, and the conductor body is provided with a fourth through hole and a support leg; the fourth through hole corresponds to the first through hole; a first conductive connecting part is connected to the conductor body or the support leg, and the first conductive connecting part extends to a position corresponding to the fourth through hole; the upright post penetrates through the second through hole to press the first conductive connecting part, and the first conductive connecting part is abutted against the lens cone; the support legs are supported on the PCB, and the support legs or parts of the support legs are abutted against a grounding end on the PCB, or elastic arms arranged on the support legs or on the electric conductor body are abutted against the grounding end on the PCB.

According to a specific implementation manner of the embodiment of the application, the conductor body comprises a bottom plate and a wing plate connected to the bottom plate, and the wing plate extends towards the front cover;

the first conductive connecting part and the second conductive connecting part are arranged on the wing plate; alternatively, the first and second electrodes may be,

the first conductive connecting part is arranged on the wing plate; the bottom plate is provided with a fifth through hole for inserting a power line, and the second conductive connecting part is arranged at the edge of the fifth through hole.

According to a specific implementation manner of the embodiment of the application, the first conductive connecting portion is an elastic arm.

In a second aspect, an embodiment of the present application provides an assembly method of a camera, including:

assembling the front cover and the PCB to form a PCB pre-assembly; the PCB board is provided with a photosensitive element, and the front cover is provided with a first through hole corresponding to the photosensitive element; assembling a lens at the first through hole, wherein a lens barrel of the lens is made of a conductive material;

and operating the conductor to enable the conductor to be abutted against the lens cone, wherein the lens cone is electrically connected to a grounding end on the PCB or is used for being abutted against a power line ground wire through the conductor.

According to a specific implementation manner of the embodiment of the application, the camera comprises a rear cover; wherein the operating the conductor to bring the conductor into contact with the lens barrel includes: installing a rear cover, wherein the rear cover is pressed against the conductor to enable the conductor to be abutted against the lens cone; alternatively, the assembly method further comprises: and operating the conductor to make the conductor abut against the lens cone, and then installing the rear cover.

According to a specific implementation manner of the embodiment of the application, the conductor is arranged between the front cover and the PCB, and a second through hole is formed in the PCB at a position corresponding to the conductor; wherein, the installation back lid, back lid supports presses the conductor, makes the conductor and lens cone butt, includes: and the upright post on the rear cover penetrates through the second through hole to press the conductor, so that the conductor is pressed against the lens cone.

According to a specific implementation manner of the embodiment of the application, the conductor comprises a plate-shaped conductor body, and the conductor body is provided with a fourth through hole and a support leg; the fourth through hole corresponds to the first through hole; the support legs are supported on the PCB, and the support legs or parts of the support legs are abutted against a grounding end on the PCB, or elastic arms arranged on the support legs or the conductor body are abutted against the grounding end on the PCB; a first conductive connecting part is connected to the conductor body or the support leg, and the first conductive connecting part extends to a position corresponding to the fourth through hole;

wherein, the installation back lid, the stand on the back lid passes the second through-hole with the electric conductor butt on the lens cone, includes: the mounting rear cover and the upright post on the rear cover penetrate through the second through hole to enable the first conductive connecting part to be abutted against the lens cone.

According to a specific implementation manner of the embodiment of the application, the conductor comprises a conductor body, and a first conductive connecting part and a second conductive connecting part which are connected with the conductor body; the conductor body is arranged between the rear cover and the PCB;

wherein, the installation back lid, back lid supports presses the conductor, makes the conductor and lens cone butt, includes: installing a rear cover, wherein the rear cover is pressed against the conductor body, and the conductor body pushes the first conductive connecting part to enable the first conductive connecting part to be abutted against the lens cone; the second conductive connecting part abuts against a ground terminal on the PCB, or the second conductive connecting part is used for abutting against a power line ground wire.

According to a specific implementation manner of the embodiment of the application, the conductor body comprises a bottom plate and a wing plate connected to the bottom plate, and the wing plate extends towards the front cover; the first conductive connecting part and the second conductive connecting part are arranged on the wing plate;

wherein, lid behind the installation, the back lid supports presses the electric conductor, first electrically conductive connecting part butt includes on the lens cone:

the rear cover is arranged and is pressed against the bottom plate, and the first conductive connecting part extends to the lens cone from the side part of the PCB and is abutted against the lens cone.

According to a specific implementation manner of the embodiment of the application, a third through hole is formed in a position, corresponding to the first through hole, of the PCB; wherein the operating the conductor to bring the conductor into contact with the lens barrel includes: and inserting a conductor into the third through hole, wherein the top end of the conductor is abutted against the lens cone.

In the embodiment of the application, the lens barrel is abutted with a grounding end on the PCB or is abutted with a power line ground wire through the conductor, so that the electrostatic conduction problem of the lens can be solved, and the adverse effect on camera imaging caused by arc discharge radiation generated by air breakdown due to static is avoided.

In addition, in this application embodiment, the electric conductor is in the camera lens is installed by the operation butt joint behind the first through-hole department on the lens cone of camera lens, like this, can be with the camera lens with PCB board on the sensitization device align and with camera lens and back lid assembly fixed back, realize that the lens cone of camera lens switches on with the ground terminal on the PCB board or switches on mutually with the ground wire of power cord mutually, avoid in the process of with camera lens with PCB board on the sensitization device align, exert unexpected power and lead to the camera lens and PCB board on the sensitization device to aim at inaccurate problem.

Drawings

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

Fig. 1A to 1F are schematic structural views of a camera according to an embodiment of the present application;

fig. 2A to 2C are schematic structural views of a camera according to another embodiment of the present application;

fig. 3A to 3C are schematic structural views of a camera according to another embodiment of the present application;

fig. 4A to 4C are schematic structural views of a camera according to still another embodiment of the present application;

fig. 5 is a schematic view illustrating an assembling method of a camera according to an embodiment of the present application.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the embodiments described are only a few embodiments of the present application, and 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 embodiment of the application provides a camera, which comprises a front cover and a Printed Circuit Board (PCB), wherein the PCB is provided with a photosensitive element; the front cover is provided with a first through hole, a lens corresponding to the photosensitive element is arranged at the first through hole, and a lens barrel of the lens is made of conductive materials;

the camera further comprises an electric conductor, the electric conductor is operated to abut against a lens barrel of the lens after the lens is installed at the first through hole, and the lens barrel is electrically connected to a grounding end on the PCB or is used for abutting against a power line ground wire through the electric conductor. The problem of electrostatic conduction of the lens can be solved, and the adverse effect on camera imaging caused by arc discharge radiation generated by electrostatic breakdown of air is avoided.

The lens corresponds to the photosensitive element on the PCB. And the lens is arranged at the first through hole of the front cover after corresponding to the photosensitive element on the PCB board through an AA process. AA is called Active Alignment, namely Active Alignment, and is a technology for determining the relative position in the assembly process of parts.

In one example, an insulating paste may be dotted at the first through hole in advance. And moving the lens to the first through hole and contacting the lens with the insulating glue. Because the insulating glue has viscidity, at this moment, the camera lens still can be relative removal relative to the protecgulum to carry out the calibration of camera lens and photosensitive device on the PCB board and adjust. After the lens is aligned with the photosensitive device on the PCB, the insulating glue can be irradiated by ultraviolet light to be hardened, and the lens is assembled at the first through hole.

Fig. 1A to 1F are schematic structural views of a camera according to an embodiment of the present application. Referring to fig. 1A to 1F, a camera 100 according to an embodiment of the present disclosure includes a front cover 102, a rear cover 104, and a PCB 106, where the PCB 106 has a photosensitive element 108 thereon; the front cover 102 has a first through hole 110, a lens 112 corresponding to the photosensitive element 108 is installed at the first through hole 110, and a lens barrel of the lens 112 is made of a conductive material.

Referring to fig. 1A and 1B, the camera further includes a conductive body 114, and a second through hole 116 is formed on the PCB 106 at a position corresponding to the conductive body 114.

Referring to fig. 1A and 1C, the front cover 102 is connected to the rear cover 104 in a matching manner, the rear cover 104 has a post 118, the post 118 passes through the second through hole 116 and presses the conductive body 114, so as to press the conductive body 114 against the lens barrel which is mounted at the first through hole 110 in advance. The lens barrel is electrically connected to ground on the PCB board 106 through the electrical conductor 114.

In this embodiment, the lens 112 may be aligned with the photo sensor on the PCB 106 and the lens 112 may be mounted to the first through hole 110 through an AA process.

The rear cover 104 is covered on the front cover 102, and a cavity is formed between the rear cover 104 and the front cover 102; the PCB board 106 is disposed within the cavity.

In this embodiment, the lens barrel is abutted to the ground terminal on the PCB through the conductor, so that the problem of electrostatic conduction between the lens and the PCB can be solved, and adverse effects on imaging of the camera caused by arc radiation generated by electrostatic breakdown of air can be avoided.

Further, the conductor does not contact the lens barrel before the rear cover is mounted. When the rear cover is installed, the conductive body is abutted to the lens barrel of the lens through the upright post on the rear cover. Like this, can be with the camera lens with the sensitization device on the PCB board is aligned and with camera lens and the fixed back of back lid assembly, realize that the lens cone of camera lens switches on with the ground connection end on the PCB board, avoid at the in-process with the camera lens with the sensitization device on the PCB board is aligned, exert unexpected power to the camera lens and lead to the camera lens to aim at inaccurate problem with the sensitization device on the PCB board.

Referring to fig. 1A and 1B, the conductive body 114 may be disposed between the PCB 106 and the front cover 102 for facilitating abutting to the lens barrel of the lens 112.

Referring to fig. 1E and 1F, in one example, the conductive body 114 includes a plate-shaped conductive body 114a, and the conductive body 114a has a fourth through hole 114b and a leg 114 c; the fourth through hole 114b corresponds to the first through hole 110.

A first conductive connecting portion 114d is connected to the conductor body 114a or the supporting leg 114c, and the first conductive connecting portion 114d extends to a position corresponding to the fourth through hole 114 b; the upright post 118 passes through the second through hole 116 and presses against the first conductive connecting portion 114d, so that the first conductive connecting portion 114d abuts against the lens barrel.

The supporting leg 114c is supported on the PCB 106, and the supporting leg 114c or a part of the supporting leg 114c abuts against a ground terminal on the PCB 106, or an elastic arm 114e provided on the supporting leg 114c or the conductor body 114a abuts against a ground terminal on the PCB 106.

Referring to fig. 1B, in one example, the first conductive connection 114d is a resilient arm (which may be referred to as a first resilient arm). The first resilient arm may be disposed on the conductor body 114a and inclined toward a side having the leg 114 c. Before the rear cover is installed, a gap of 0.2-0.5mm is formed between the first elastic arm and the lens cone. In one example, the gap is 0.25 mm.

The conductive body 114 may be made of sheet metal material. The conductive body 114 may also serve as an electromagnetic shield for the PCB 106.

The front cover 102 and the back cover 104 may be made of metal and/or plastic. In one example, the front cover 102 and the back cover 104 are both plastic; in other examples, one of the front cover 102 and the back cover 104 is made of plastic and the other is made of metal. Referring to fig. 1A, when the back cover 104 is made of plastic, a metal shielding can 120 may be disposed in the back cover 104 to enhance the electromagnetic shielding effect on the PCB 106.

The lens barrel of the lens 112 is made of metal, such as copper or alloy.

A glue 122 may be disposed at a position where the lens 112 is connected to the front cover 102. In one example, the gel is an insulating gel.

Fig. 2A to 2C are schematic structural views of a camera according to another embodiment of the present application. Referring to fig. 2A to 2C, a camera 200 according to an embodiment of the present disclosure includes a front cover 202, a rear cover 204, and a PCB 206, where the PCB 206 has a photosensitive element 208 thereon; the front cover 202 has a first through hole 210, a lens corresponding to the photosensitive element 208 is disposed at the first through hole 210, and a lens barrel of the lens is made of a conductive material.

Referring to fig. 2A, the camera head further includes a conductive body 214, the conductive body 214 including a conductive body 214a and a first conductive connection portion 214b and a second conductive connection portion 214c connected to the conductive body 214 a; the rear cover 204 is connected with the front cover 202 in a matching way, the conductor body 214a is arranged between the PCB 206 and the rear cover 204, and the first conductive connecting part 214b extends to the lens barrel and abuts against the lens barrel which is mounted at the first through hole 210 in advance; the second conductive connecting portion 214c is abutted against a ground terminal on the PCB 206.

Referring to fig. 2A, the first conductive connecting portion 214b may extend to the lens barrel through a gap between the PCB 206 and the rear cover 204 and abut on the lens barrel. In other embodiments, the first conductive connecting portion 214b may extend to the lens barrel through a through hole on the PCB 206 and abut on the lens barrel.

In this embodiment, the rear cover 204 can press the conductor body 214a, and the conductor body 214a pushes the first conductive connecting portion 214b to extend to the lens barrel and abut against the lens barrel. In other embodiments, before the rear cover is mounted, the conductor body 214a or the first conductive connection portion 214b may be pushed to extend the first conductive connection portion 214b to the lens barrel and abut on the lens barrel, and then the conductor body 214a and/or the first conductive connection portion 214b may be fixed, for example, on a PCB. After the conductor body 214a and/or the first conductive connection part 214b are fixed, the rear cover is attached.

In this embodiment, the lens may be aligned with the photo sensor on the PCB 206 and mounted to the first through hole 210 by the aforementioned AA process.

In addition, in this embodiment, can be after aligning the sensitization device on camera lens and the PCB board and with camera lens and back lid assembly fixed, realize that the lens cone of camera lens switches on with the ground terminal on the PCB board mutually, avoid in the in-process of aligning the sensitization device on camera lens and the PCB board, exert unexpected power to the camera lens and lead to the inaccurate problem of alignment of sensitization device on camera lens and the PCB board.

Referring to fig. 2C, in one example, the first conductive connection portion 214b may be a resilient arm (may be referred to as a first resilient arm).

Referring to fig. 2C, in one example, the conductor body 214a includes a base 241a1 and a wing 214a2 connected to the base 241a1, the wing 214a2 extending toward the front cover 202; the first conductive connection portion 214b and the second conductive connection portion 214c are provided on the wing plate 214a 2.

The electrical conductor may be made of sheet metal material. The bottom plate 241a1 and the wings 214a2 connected to the bottom plate 241a1 may form a shielding case, which may serve as an electromagnetic shield for the PCB 206.

The front cover 202 and the back cover 204 may be made of metal and/or plastic. In one example, front cover 202 and back cover 204 are both plastic; in other examples, one of the front cover 202 and the back cover 204 is made of plastic and the other is made of metal. Referring to fig. 2A, when the front cover 202 is made of plastic, a metal shielding can 224 may be disposed in the front cover 202 to enhance the electromagnetic shielding effect on the PCB 206.

The lens barrel of the lens is made of metal materials, such as copper or alloy.

Referring to fig. 2A, a colloid 222 may be disposed at a position where the lens is connected to the front cover 202. In one example, the gel is an insulating gel.

Fig. 3A to 3C are schematic structural views of a camera according to another embodiment of the present application. Referring to fig. 3A to 3C, a camera according to an embodiment of the present application includes: the PCB comprises a front cover 302, a rear cover 304 and a PCB 306, wherein the PCB 306 is provided with a photosensitive element 308; the front cover 302 has a first through hole 310, a lens corresponding to the photosensitive element 308 is disposed at the first through hole 310, and a lens barrel of the lens is made of a conductive material.

Referring to fig. 3A, the camera head further includes a conductive body 314, and the conductive body 314 includes a conductive body 314a and a first conductive connection 314b and a second conductive connection 314c connected to the conductive body 314 a; the rear cover 304 is connected with the front cover 302 in a matching manner, the conductor body 314a is arranged between the PCB 306 and the rear cover 304, and the first conductive connecting part 314b extends to the lens barrel and abuts against the lens barrel which is mounted at the first through hole 310 in advance; the second conductive connecting portion 314c is used for contacting the power line and the ground line. Wherein, the power line 318 can be inserted from the through hole on the back cover 304 and electrically connected with the PCB board 306.

In this embodiment, the lens may be aligned with the photo sensor on the PCB 306 and mounted to the first through hole 310 by the aforementioned AA process.

Referring to fig. 3A, the first conductive connecting portion 314b may extend to the lens barrel through a gap between the PCB 306 and the rear cover 304 and abut on the lens barrel. In other embodiments, the first conductive connecting portion 314b may extend to the lens barrel through a through hole on the PCB 306 and abut on the lens barrel.

In this embodiment, the rear cover 304 can press the conductor body 314a, and the conductor body 314a pushes the first conductive connection portion 314b to extend to the lens barrel and abut against the lens barrel. In other embodiments, before the rear cover is mounted, the conductor body 314a or the first conductive connection 314b may be pushed to extend the first conductive connection 314b to the lens barrel and abut on the lens barrel, and then the conductor body 314a and/or the first conductive connection 314b may be fixed, for example, fixed on a PCB. After the conductor body 314a and/or the first conductive connection portion 314b are fixed, the rear cover is attached.

In this embodiment, the lens barrel can be abutted against a power line ground wire through the conductor, so that the electrostatic conduction problem of the lens can be solved, and the adverse effect on the imaging of the camera caused by the arc discharge radiation generated by air breakdown due to static electricity can be avoided.

Referring to fig. 3C, in one example, the first conductive connection portion 314b may be a resilient arm (may be referred to as a first resilient arm).

Referring to fig. 3C, in one example, the conductor body 314a includes a bottom plate 314a1 and a wing 314a2 connected to the bottom plate 314a1, the wing 314a2 extending toward the front cover 302; the first conductive connecting portion 314b is disposed on the wing 314a2, the bottom plate 314a1 has a fifth through hole 320 for inserting a power line 318, and the second conductive connecting portion 314c is disposed at an edge of the fifth through hole 320.

The conductive body 314 may be made of sheet metal material. The bottom plate 314a1 and the wings 314a2 connected to the bottom plate 314a1 may form a shielding case for electromagnetic shielding of the PCB 306.

The front cover 302 and the back cover 304 may be made of metal and/or plastic. In one example, the front cover 302 and the back cover 304 are both plastic; in other examples, one of the front cover 302 and the back cover 304 is made of plastic and the other is made of metal. Referring to fig. 3A, when the front cover 302 is made of plastic, a metal shielding can 302 may be disposed in the front cover 302 to enhance the electromagnetic shielding effect on the PCB 306.

Referring to fig. 3A, a colloid 322 may be disposed at a position where the lens is connected to the front cover 302. In one example, the gel is an insulating gel.

Fig. 4A to 4C are schematic structural views of a camera according to still another embodiment of the present application. Referring to fig. 4A to 4C, the camera according to the embodiment of the present application includes a front cover 402 and a PCB 406, where the PCB 406 has a photosensitive element 408 thereon; the front cover 402 has a first through hole 410, a lens corresponding to the photosensitive element 408 is disposed at the first through hole 410, and a lens barrel of the lens is made of a conductive material.

Referring to fig. 4A, the PCB 406 has a third through hole 411 at a position corresponding to the first through hole 410.

Referring to fig. 4A and 4C, the camera head further includes a conductive body 414, the conductive body 414 being inserted in the third through hole 411; the top end of the conductive body 414 abuts on the lens barrel which is mounted at the first through hole 410 in advance; the tail or side of the electrical conductor 414 abuts a ground terminal on the PCB 406 or is configured to abut a ground line of the power cord 418.

In this embodiment, the lens may be aligned with the photo sensor on the PCB 406 and mounted to the first through hole 410 by the aforementioned AA process.

In this embodiment, the lens barrel may be abutted against a ground terminal on the PCB or against a power line ground via the conductor, so as to solve the problem of electrostatic conduction of the lens, and avoid the adverse effect on the imaging of the camera caused by the arc discharge radiation generated by the electrostatic breakdown of air.

In addition, the conductive body is inserted into the third through hole and is abutted against the lens barrel after the lens barrel is installed at the first through hole. Like this, can be with the camera lens with the sensitization device on the PCB board is aligned and with camera lens and the fixed back of back lid assembly, realize that the lens cone of camera lens switches on with the ground connection end on the PCB board, avoid at the in-process with the camera lens with the sensitization device on the PCB board is aligned, exert unexpected power to the camera lens and lead to the camera lens to aim at inaccurate problem with the sensitization device on the PCB board.

In one example, the conductive body 414 is a conductive silicone plug.

The camera head may also include a rear cover that is cooperatively coupled to the front cover 402. The front cover 402 and the back cover may be made of metal and/or plastic. In one example, the front cover 402 and the back cover are both plastic; in other examples, one of the front cover 402 and the back cover is made of plastic and the other is made of metal. Referring to fig. 4A, when the front cover 402 and/or the rear cover are made of plastic,

metal shielding cases

424 and 425 may be disposed in the front cover 402 and/or the rear cover to provide electromagnetic shielding for the PCB 406.

Referring to fig. 4A, a gel may be disposed at a position where the lens is coupled to the front cover 402. In one example, the gel is an insulating gel.

Fig. 5 is a schematic view of an assembly method of a camera according to an embodiment of the present application, and referring to fig. 5, the assembly method of the camera according to the embodiment of the present application includes the steps of:

s10, assembling the front cover and the PCB to form a PCB pre-assembly; the PCB board is provided with a photosensitive element, and the front cover is provided with a first through hole corresponding to the photosensitive element.

The bolt on the protecgulum is established to the accessible to and establish the cooperation of the jack on the PCB board, fix protecgulum and PCB board, the equipment forms PCB pre-installation subassembly. The front cover and the PCB can also be fixed through screws or glue and the like to be assembled to form a PCB preassembly. In one example, the front cover and the PCB may be co-located on an intermediate connector, through which the front cover and the PCB are secured and assembled to form the PCB pre-assembly.

In this embodiment, if the electrical conductor for abutting the lens barrel against the ground terminal on the PCB or the ground wire of the power line is disposed between the front cover and the PCB, the electrical conductor may be disposed between the front cover and the PCB when the front cover and the PCB are assembled to form the PCB pre-assembly, so that the front cover, the PCB and the electrical conductor form the PCB pre-assembly.

And S11, assembling a lens at the first through hole, wherein the lens barrel of the lens is made of a conductive material.

The lens can be moved to the first through hole by using a manipulator, a sucker or the like, aligned with the photosensitive device on the PCB and mounted at the first through hole. In one example, an AA process may be used to align the lens with a photosensitive device on a PCB board.

In one example, an insulating paste may be dotted at the first through hole in advance. And moving the lens to the first through hole and contacting the lens with the insulating glue. Because the insulating glue has viscidity, at this moment, the camera lens still can be relative removal relative to the protecgulum to carry out the calibration of camera lens and photosensitive device on the PCB board and adjust. After aligning the lens with the photosensitive device on the PCB, the insulating glue is irradiated by ultraviolet light to be hardened, so that the lens is assembled at the first through hole.

The lens barrel of the lens can be made of metal materials, such as copper or alloy.

And S12, operating the conductor to make the conductor contact with the lens barrel, wherein the lens barrel is electrically connected with the grounding end on the PCB board or is used for contacting with the ground wire of the power line through the conductor.

In this embodiment, the lens barrel is abutted with a grounding end on the PCB or is used for being abutted with a power line ground through the conductor, so that the electrostatic conduction problem of the lens can be solved, and the adverse effect on the imaging of the camera caused by the arc discharge radiation generated by air breakdown due to static electricity can be avoided.

In addition, this embodiment can realize the lens-barrel of camera lens and the earthing terminal on the PCB board or with power cord ground contact looks switching on with the assembly back on the protecgulum, avoids in the in-process of aliging with the sensitization device on camera lens and the PCB board, and the force of exerting accident to the camera lens leads to the camera lens to aim at inaccurate problem with the sensitization device on the PCB board.

The present application further provides a method for assembling a camera, in which, based on the embodiment shown in fig. 5, the operating the conductor to make the conductor abut against the lens barrel, and the lens barrel is electrically connected to a ground terminal on the PCB board through the conductor or is used to abut against a power line ground (step S12), including: and installing a rear cover, wherein the rear cover is pressed against the conductor to enable the conductor to be abutted against the lens cone, and the lens cone is electrically connected to a grounding end on the PCB through the conductor.

The method for assembling the camera in this embodiment can be used for assembling the camera in the embodiments shown in fig. 1A to 1F, and has similar technical effects, and details are not repeated here.

The application also provides an assembly method of the camera, on the basis of the embodiment shown in fig. 5, the camera comprises a rear cover; the assembly method further comprises: and operating the conductor to make the conductor abut against the lens cone, and then installing the rear cover.

Specifically, before the rear cover is mounted, the conductive body may be pushed (manually or by a tool such as a manipulator, or pushed by an intermediate connector) to abut against the lens barrel, and then the conductive body may be fixed, for example, on a PCB. After the conductor is fixed, the rear cover is mounted. In one example, the conductive body can be pushed to extend into the lens barrel from the side of the PCB and abut against the lens barrel. In another example, the conductive body can be pushed to penetrate through a through hole on the PCB and extend into the lens barrel and abut against the lens barrel. In yet another example, the conductive body may be pushed by an intermediate connector (e.g., a plug, etc.) through a through hole in the PCB, so that the conductive body abuts against the lens barrel.

The present application further provides a method for assembling a camera, where on the basis of the embodiment shown in fig. 5, the operating the conductor to make the conductor abut against the lens barrel includes: and installing a rear cover, wherein the rear cover is pressed against the conductor to enable the conductor to be abutted against the lens cone.

Specifically, the electric conductor is arranged between the front cover and the PCB, and a second through hole is formed in the position, corresponding to the electric conductor, on the PCB; wherein the content of the first and second substances,

the installation back lid, back lid supports presses the electric conductor, makes the electric conductor and the lens cone butt, includes: and the upright post on the rear cover penetrates through the second through hole to press the conductor, so that the conductor is pressed against the lens cone.

In one example, the conductor may include a conductor body having a plate shape, the conductor body having a fourth through hole and a leg; the fourth through hole corresponds to the first through hole; the support legs are supported on the PCB, and the support legs or parts of the support legs are abutted against a grounding end on the PCB, or elastic arms arranged on the support legs or the conductor body are abutted against the grounding end on the PCB;

a first conductive connecting part is connected to the conductor body or the support leg, and the first conductive connecting part extends to a position corresponding to the fourth through hole;

wherein, the installation back lid, the stand on the back lid passes the second through-hole with the electric conductor butt on the lens cone, includes:

and mounting a rear cover, wherein the stand column on the rear cover penetrates through the second through hole to abut against the first conductive connecting part, and abuts against the first conductive connecting part on the lens cone.

Specifically, the conductor comprises a conductor body, a first conductive connecting part and a second conductive connecting part, wherein the first conductive connecting part and the second conductive connecting part are connected with the conductor body; the conductor body is arranged between the rear cover and the PCB;

wherein, the installation back lid, back lid supports presses the conductor, makes the conductor and lens cone butt, includes: installing a rear cover, wherein the rear cover is pressed against the conductor body, and the conductor body pushes the first conductive connecting part to enable the first conductive connecting part to be abutted against the lens cone; the second conductive connecting part abuts against a grounding end on the PCB.

The first conductive connecting part can extend to the lens cone through a gap between the PCB and the rear cover and is abutted on the lens cone. In other embodiments, the first conductive connecting portion may extend to the lens barrel through a through hole on the PCB and abut on the lens barrel.

In this embodiment, further, the conductor body includes a bottom plate and a wing plate connected to the bottom plate, the wing plate extending toward the front cover; the first conductive connecting portion and the second conductive connecting portion are arranged on the wing plate.

Wherein, lid behind the installation, the back lid supports presses the electric conductor, first electrically conductive connecting part butt includes on the lens cone: the rear cover is arranged and is pressed against the bottom plate, and the first conductive connecting part extends to the lens cone from the side part of the PCB and is abutted against the lens cone.

The method for assembling the camera in this embodiment can be used for assembling the camera in the embodiment shown in fig. 2A to 2C, and has similar technical effects, and details are not repeated here.

The present application further provides an assembly method of a camera, which is substantially the same as the previous embodiment, except that in this embodiment, the second conductive connecting portion is not abutted to a ground terminal on the PCB but is used to abut to a power line and a ground line.

In one example, the bottom plate has a through hole for inserting a power line therein, and the second conductive connecting portion is provided at an edge of the through hole.

The method for assembling the camera in this embodiment can be used for assembling the camera in the embodiments shown in fig. 3A to 3C, and has similar technical effects, and details are not repeated here.

On the basis of the embodiment shown in fig. 5, a third through hole is formed in the position, corresponding to the first through hole, of the PCB;

wherein the operating the conductor to make the conductor abut against the lens barrel, and the lens barrel is electrically connected to a ground terminal on the PCB board through the conductor or is used to abut against a power line ground (step S12), including: and inserting a conductor into the third through hole, wherein the top end of the conductor is abutted against the lens cone.

The method for assembling the camera in this embodiment can be used for assembling the camera in the embodiments shown in fig. 4A to 4C, and has similar technical effects, and details are not repeated here.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A camera is characterized by comprising a front cover and a PCB, wherein the PCB is provided with a photosensitive element; the front cover is provided with a first through hole, a lens corresponding to the photosensitive element is arranged at the first through hole, and a lens barrel of the lens is made of conductive materials;

the camera further comprises an electric conductor, the electric conductor is operated to abut against a lens barrel of the lens after the lens is installed at the first through hole, and the lens barrel is electrically connected to a grounding end on the PCB board through the electric conductor, or the electric conductor is used for abutting the lens barrel against a power line ground wire;

a second through hole is formed in the position, corresponding to the electric conductor, of the PCB;

the camera also comprises a rear cover which is matched and connected with the front cover, and the rear cover is provided with an upright post;

the electric conductor comprises a plate-shaped electric conductor body, and the electric conductor body is provided with a fourth through hole and a support leg; the fourth through hole corresponds to the first through hole;

a first conductive connecting part is connected to the conductor body or the support leg, and the first conductive connecting part extends to a position corresponding to the fourth through hole; the upright post penetrates through the second through hole to press the first conductive connecting part, and the first conductive connecting part is abutted against the lens cone;

the support legs are supported on the PCB, and the support legs or parts of the support legs are abutted against a grounding end on the PCB, or elastic arms arranged on the support legs or on the electric conductor body are abutted against the grounding end on the PCB.

2. The camera of claim 1, wherein the electrical conductor is disposed between the PCB board and the front cover.

3. The camera of claim 1, wherein the conductor comprises a conductor body and a first conductive connection and a second conductive connection connected to the conductor body;

the camera also comprises a rear cover which is matched and connected with the front cover, the conductor body is arranged between the PCB and the rear cover, and the first conductive connecting part extends to the lens cone and is abutted against the lens cone;

the second conductive connecting part is abutted with a grounding end on the PCB; or the second conductive connecting part is used for being abutted against a power line and a ground line.

4. The camera head according to claim 1, wherein a third through hole is provided on the PCB at a position corresponding to the first through hole, and the conductive body is inserted into the third through hole;

the top end of the conductor is abutted against the lens cone; the tail end or the side part of the conductor is abutted with the grounding end on the PCB or is abutted with the ground wire of the power line.

5. The camera of claim 3, wherein the conductor body comprises a base plate and a wing plate connected to the base plate, the wing plate extending toward the front cover;

6. The camera head according to claim 3 or 4, wherein the first conductive connecting portion is a resilient arm.

7. A method of assembling a camera head, for assembling a camera head according to any one of claims 1 to 6, the method comprising:

assembling the front cover and the PCB to form a PCB pre-assembly; the PCB board is provided with a photosensitive element, and the front cover is provided with a first through hole corresponding to the photosensitive element;

assembling a lens at the first through hole, wherein a lens barrel of the lens is made of a conductive material;

and operating the conductor to enable the conductor to be abutted against the lens barrel, wherein the lens barrel is electrically connected to a grounding end on the PCB through the conductor, or the conductor is used for abutting the lens barrel against a power line ground wire.

8. The method of assembling a camera head according to claim 7, wherein the camera head includes a rear cover; wherein the operating the conductor to bring the conductor into contact with the lens barrel includes: installing a rear cover, wherein the rear cover is pressed against the conductor to enable the conductor to be abutted against the lens cone;

alternatively, the first and second electrodes may be,

the camera comprises a rear cover; the assembly method further comprises: and operating the conductor to make the conductor abut against the lens cone, and then installing the rear cover.

9. The method for assembling a camera according to claim 8, wherein the conductor is provided between the front cover and the PCB, and a second through hole is provided in the PCB at a position corresponding to the conductor; wherein the content of the first and second substances,

10. The method for assembling a camera according to claim 9, wherein the conductor includes a plate-shaped conductor body having a fourth through hole and a leg; the fourth through hole corresponds to the first through hole; the support legs are supported on the PCB, and the support legs or parts of the support legs are abutted against a grounding end on the PCB, or elastic arms arranged on the support legs or the conductor body are abutted against the grounding end on the PCB; a first conductive connecting part is connected to the conductor body or the support leg, and the first conductive connecting part extends to a position corresponding to the fourth through hole;

11. The method of assembling a camera according to claim 8, wherein the conductor includes a conductor body and a first conductive connecting portion and a second conductive connecting portion connected to the conductor body; the conductor body is arranged between the rear cover and the PCB;

wherein, the installation back lid, back lid supports presses the conductor, makes the conductor and lens cone butt, includes:

installing a rear cover, wherein the rear cover is pressed against the conductor body, and the conductor body pushes the first conductive connecting part to enable the first conductive connecting part to be abutted against the lens cone; the second conductive connecting part abuts against a ground terminal on the PCB, or the second conductive connecting part is used for abutting against a power line ground wire.

12. The method of assembling a camera head according to claim 11, wherein the conductor body includes a base plate and a wing plate connected to the base plate, the wing plate extending in a direction toward the front cover; the first conductive connecting part and the second conductive connecting part are arranged on the wing plate;

13. The assembling method of the camera according to claim 7, wherein a third through hole is provided at a position corresponding to the first through hole on the PCB board;

wherein the operating the conductor to bring the conductor into contact with the lens barrel includes: and inserting a conductor into the third through hole, wherein the top end of the conductor is abutted against the lens cone.