WO2022142386A1

WO2022142386A1 - Camera, vehicle-mounted camera device, vehicle, and driver behavior detection system

Info

Publication number: WO2022142386A1
Application number: PCT/CN2021/113615
Authority: WO
Inventors: 苏水静; 李激光; 孙牵宇; 吴佳杰; 许亮
Original assignee: 上海商汤临港智能科技有限公司
Priority date: 2020-12-31
Filing date: 2021-08-19
Publication date: 2022-07-07
Also published as: CN112866521A

Abstract

The present application provides a camera, a vehicle-mounted camera device, a vehicle, and a driver behavior detection system. The camera comprises: a housing, an accommodating space being formed in the housing; a main control board assembly, the main control board assembly being arranged in the accommodating space; and a lens module and a light emitting assembly, the lens module and the light emitting assembly being mounted on the main control board assembly. The camera further comprises a light shielding member having a light outlet hole, the light shielding member covers the outside of the light emitting assembly, and the lens module and the light shielding member are arranged side by side on the main control board assembly.

Description

Camera, vehicle camera device, vehicle and driver behavior detection system

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application filed on December 31, 2020 with the application number 202011622512.3 and the invention titled "Camera, Vehicle Camera Device, Vehicle and Driver Behavior Detection System". The entire contents are incorporated herein by reference.

technical field

The present application relates to the technical field of cameras, and in particular, to a camera, a vehicle-mounted camera device, and a vehicle and driver behavior detection system.

Background technique

In recent years, the number of cars per capita has been increasing, and the problem of traffic safety has become increasingly serious. Data shows that the driver's irregular behavior is the main cause of traffic accidents. A series of driver's irregular behaviors include the driver answering the phone while driving, smoking, talking to the passenger and so on. In recent years, smartphones have become an indispensable part of most people's lives. According to the survey data of IIHS (Insurance Institute for Highway Safety, the Insurance Institute for Highway Safety), nearly 60% of drivers hold mobile phone calls while driving. . Holding a mobile phone while driving will inevitably cause the driver to be distracted and slow down the reaction speed, so that the situation outside the car cannot be responded to in time, thus causing traffic accidents.

SUMMARY OF THE INVENTION

The present application provides a camera, a vehicle-mounted camera device, and a vehicle and driver behavior detection system.

According to a first aspect of the embodiments of the present application, there is provided a camera, comprising: a housing, a housing space is formed in the housing; a main control board assembly, the main control board assembly is disposed in the housing space; a lens mold The lens module and the light-emitting assembly are installed on the main control board assembly, and the camera head further includes a light-shielding member with a light-emitting hole, and the light-shielding member is covered outside the light-emitting assembly. The lens module and the shading member are arranged side by side on the main control board assembly.

Further, the shading member is an independent component installed on the main control board assembly, or the shading member is integrally provided with the housing and the shading member is in contact with the main control board assembly;

The light exit hole is located at an end of the light shielding member away from the main control board assembly.

Further, the casing defines a first through hole corresponding to the position of the lens module and the light emitting assembly, and the lens module and the light emitting assembly are at least partially located in the first through hole.

Further, a hole wall of the first through hole extends in a direction away from the main control board assembly to form a first protruding portion, and the light shielding member is at least partially located in the first protruding portion.

Further, the first protruding part is provided with a filter; wherein,

The light shielding member is in contact with the filter at one end away from the main control board assembly; and/or

The lens module is in contact with the filter at one end away from the main control board assembly.

Further, the casing includes a first casing part and a second casing part that are spliced with each other, the receiving space is formed between the first casing part and the second casing part, and the first casing part and the second casing part are formed. a through hole in the first housing portion; and/or

The main control board assembly is connected with the second housing part.

Further, a filter is provided in the housing, the filter is in contact with an end of the light shielding member away from the main control board assembly, and the filter covers the light exit hole; and/or

The aperture diameter of the light exit hole at the end of the light shielding member in contact with the main control board assembly is larger than the aperture diameter of the light exit hole at the end of the light shielding member away from the main control board assembly; and/or

The aperture of the light exit hole at the end of the light shielding member in contact with the main control board assembly is 4.15mm to 4.25mm; and/or

The aperture of the light exit hole at the end of the light shielding member away from the main control board assembly is 2.3mm to 2.5mm or 2.6mm to 2.8mm; and/or

The length of the light shielding member along the extending direction of the light exit hole is not greater than 3.2 mm.

Further, the light-emitting assembly includes an LED lamp, and the main control board assembly includes a main circuit board and a light board connected to the main circuit board;

The lens module is mounted on the main circuit board, and both the LED light and the shading member are mounted on the light board; and/or

the light panel is connected to the housing; and/or

The light panel is a centrally symmetric plate-like structure.

Further, a heat dissipation colloid is filled between the lamp board and the housing.

Further, a second protruding portion is formed in the housing, and the second protruding portion extends from the second housing portion toward a direction close to the first housing portion, and the lamp board and the The second protrusion is fixedly connected.

Further, the area of the lamp board is larger than the cross-sectional area of the second protruding portion.

Further, the casing is provided with a second through hole, the camera further includes a seal and a connector for connecting external devices, one end of the connector is connected to the main control board assembly, and the connector The other end of the connector penetrates the second through hole, and the sealing member is arranged between the connecting head and the second through hole.

Further, a raised portion is formed on the hole wall of the second through hole, the sealing member is an annular sealing structure, and the sealing member is formed with a groove portion adapted to the raised portion; and/or

The end face of the sealing member close to the groove portion is inclined relative to the bottom wall of the groove portion, and the end face of the sealing member close to the groove portion is opposite to the groove portion. The inclination angle of the bottom wall is in the range of 44° to 46°; and/or

The end face of the sealing member away from the groove portion is inclined relative to the bottom wall of the groove portion, and the end face of the sealing member away from the groove portion is opposite to the groove portion. The angle of inclination of the bottom wall is in the range of 19° to 21°; and/or

The width of the groove portion ranges from 1.02 mm to 1.08 mm.

Further, the camera further includes a lens mount, the lens mount is mounted on the main control board assembly, and the lens module is mounted on the lens mount.

Further, the main control board assembly includes a main circuit board, the lens module includes a lens assembly and an imaging sensor; the imaging sensor is arranged on the main circuit board, and the lens mount is installed in the main circuit a position corresponding to the imaging sensor on the board, the lens mounting member is provided with a third through hole corresponding to the position of the imaging sensor;

Wherein, the lens assembly is mounted on the lens mount and passes through the third through hole along the extending direction of the third through hole; and/or

The imaging sensor has a square structure, and the third through hole is a square hole or a circular hole adapted to the shape of the imaging sensor; and/or

the lens mounts are in the range of 8.4mm to 8.8mm; and/or

The lens mount includes an ear plate, the ear plate is located on the side of the lens mount, and the ear plate is connected with the main control board assembly.

According to a second aspect of the embodiments of the present application, an in-vehicle camera device is provided, including the camera as described in the embodiments of the first aspect.

Further, the in-vehicle camera device further includes a bracket, the camera is fixedly connected to the bracket, and the bracket is used to be fixedly connected to the internal components of the vehicle; the camera is arranged toward the driver area in the vehicle.

Further, the bracket and the camera are detachably connected by fasteners.

According to a third aspect of the embodiments of the present application, a vehicle is provided, including a vehicle body and the vehicle-mounted camera device according to the embodiments of the second aspect.

Further, the camera of the vehicle-mounted camera device is mounted on an internal component of the vehicle body;

The interior components of the vehicle body include an A-pillar inside the vehicle.

According to a fourth aspect of the embodiments of the present application, a driver behavior detection system is provided, including a controller and the vehicle-mounted camera device according to the embodiment of the second aspect, wherein the controller is electrically connected to a camera of the vehicle-mounted camera device ; the controller performs driver behavior detection according to the video stream of the driver area collected by the camera.

In the camera of the present application, by covering the light-emitting assembly with a light-shielding member, the light emitted by the light-emitting assembly can be well isolated, and the light emitted by the light-emitting assembly is led out from the light-emitting hole of the light-shielding member, so that the lens module is located in the light-emitting assembly. Outside the light-emitting angle range formed by the hole, the stray light phenomenon of the light-emitting component can be reduced, and the occurrence of light from the light-emitting component entering the lens module can be reduced, thereby improving the imaging quality of the camera.

Description of drawings

1 to 4 are schematic perspective views of a camera according to an embodiment of the present application.

FIG. 5 is an exploded schematic diagram of a camera according to an embodiment of the present application.

FIG. 6 is a schematic structural diagram of a camera according to an embodiment of the present application after the second housing part is removed.

FIG. 7 is a cross-sectional view of the plane A-A in FIG. 6 .

FIG. 8 is a schematic diagram of an assembly relationship between a light-emitting component and a light-shielding member of a camera according to an embodiment of the present application.

9 and 10 are schematic structural diagrams of a light shielding member of a camera according to an embodiment of the present application.

FIG. 11 is a front view of a camera according to an embodiment of the present application.

FIG. 12 is a cross-sectional view of the plane B-B in FIG. 11 .

FIG. 13 is a schematic structural diagram of a light board of a camera according to an embodiment of the present application.

FIG. 14 is a schematic diagram of an assembly relationship between a camera and an interior component of a vehicle according to an embodiment of the present application.

FIG. 15 is a schematic structural diagram of a sealing member of a camera according to an embodiment of the present application.

FIG. 16 is a cross-sectional view of the plane C-C in FIG. 15 .

FIG. 17 is a schematic structural diagram of a lens mount of a camera according to an embodiment of the present application.

FIG. 18 is a schematic structural diagram of a vehicle-mounted camera device according to an embodiment of the present application.

Detailed ways

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

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

As an image acquisition device, cameras are widely used in scenes such as vehicles to acquire images of target objects for analysis and detection. However, during use, the light-emitting components and the lens module in the camera often interfere. For example, the light of the light-emitting components escapes into the lens module, and the light-emitting components irradiate the near-end objects to cause stray light, which affects the camera's performance. image quality.

The present application provides a camera, a vehicle-mounted camera device, and a vehicle and driver behavior detection system. The camera, vehicle-mounted camera device, vehicle and driver behavior detection system of the present application will be described in detail below with reference to the accompanying drawings. The features of the embodiments and implementations described below may be combined with each other without conflict.

Referring to FIG. 1 to FIG. 17 , an embodiment of the present application provides a camera 100. The camera 100 can be mounted on an interior component of a vehicle (such as an A-pillar of a vehicle frame) in cooperation with a bracket, and can realize image and video capture of the driver, And monitoring functions such as driver identification, driver fatigue monitoring, and dangerous driving behavior monitoring.

As shown in FIGS. 1-5 , the camera 100 includes a housing 50 , a main control board assembly 10 , a lens module 20 and a light emitting assembly 30 mounted on the main control board assembly 10 . A receiving space is formed in the housing 50 , and the main control board assembly 10 is disposed in the receiving space. The camera further includes a shading member 40 with a light exit hole 41 , the shading member 40 is covered outside the light-emitting assembly 30 , and the lens module 20 and the shading member 40 are arranged side by side on the main control board assembly 10 . so that the lens module 20 is located outside the light emitting angle range of the light emitting component 30 , and the light emitting component 30 is located outside the viewing angle range of the lens module 20 .

In the camera 100 of the present application, by covering the light-shielding member 40 on the outside of the light-emitting assembly 30, the light emitted by the light-emitting assembly 30 can be well isolated. The module 20 is located outside the light-emitting angle range formed by the light-emitting element 30 from the light exit hole 41 , which can reduce the stray light phenomenon of the light-emitting element 30 and reduce the occurrence of light from the light-emitting element 30 entering the lens module 20 , thereby improving the camera 100 . image quality. The camera can be installed at the position of the A-pillar of the vehicle frame, and the light emitted by the light-emitting assembly 30 is separated from the lens module 20 by the shading member 40, which can also reduce the stray light phenomenon caused by the camera used as a vehicle-mounted camera device and installed in the vehicle. , reducing the occlusion of the lens module 20 , thereby reducing the impact on the lens module 20 .

In some optional embodiments, the light shielding member 40 is an independent component installed on the main control board assembly 10 , and is detachably assembled on the main control board assembly 10 . In other examples, the light shielding member 40 may also be formed to protrude outward from the inner wall of the casing 50 . Alternatively, the shading member 40 may also be integrally provided with the housing 50 and the shading member 40 is in contact with the main control board assembly 10 . In any of the above manners, the shading member 40 can be installed on the main control board assembly 10 . Optionally, the shading member 40 and the casing 50 are integrally formed. The light-shielding member 40 can be made of an opaque material to improve the light-shielding effect.

In some optional embodiments, the main control board assembly 10 , the lens module 20 , and the light-emitting assembly 30 are all disposed in the receiving space of the housing 50 . In order to allow external light to enter the lens module 20 and to guide the light emitted by the light-emitting assembly 30 out of the casing 50 , the casing 50 may be provided with a first channel corresponding to the position of the lens module 20 and the light-emitting assembly 30 . The hole 53 , the lens module 20 and the light-emitting component 30 are at least partially located in the first through hole 53 .

Referring to FIGS. 6 to 9 , the light exit hole 41 is located at the end of the light shielding member 40 away from the main control board assembly 10 , the light emitted by the light emitting assembly 30 is led out from the light exit hole 41 , and the lens module 20 is located outside the light-emitting angle range α formed by the light-emitting element 30 from the light-emitting hole 41 .

In the camera 100 of the present application, the light emitted by the light-emitting assembly 30 can be well isolated by covering the light-shielding member 40 on the outside of the light-emitting assembly 30, and the light emitted by the light-emitting assembly 30 is led out from the light exit hole 41 of the light-shielding member 40, so that the lens mold The group 20 is located outside the light-emitting angle range α formed by the light-emitting element 30 from the light-emitting hole 41 , which can isolate the light emitted by the light-emitting element 30 from the lens module 20 and reduce the situation that the light of the light-emitting element 30 escapes into the lens module 20 occurs, the stray light phenomenon of the light emitting assembly 30 is reduced, thereby improving the imaging quality of the camera 100 . The camera can be installed at the position of the A-pillar of the vehicle frame, and the light emitted by the light-emitting assembly 30 is separated from the lens module 20 by the shading member 40, which can also reduce the stray light phenomenon caused by the camera used as a vehicle-mounted camera device and installed in the vehicle. .

With reference to FIG. 9 , in some optional embodiments, the diameter of the light exit hole 41 at the end of the light shielding member 40 in contact with the main control board assembly 10 (the bottom end shown in FIG. 9 ) is larger than The aperture of the light exit hole 41 is at one end (the top end shown in FIG. 9 ) of the light shielding member 40 away from the main control board assembly 10 . Through the above arrangement, the aperture of the bottom end of the light exit hole 41 is larger than that of the top end, and can be adapted to light emitting assemblies 30 of different sizes. In addition, the field of view angle (FOV angle) of the light emitted by the light emitting assembly 30 can also be controlled. In this embodiment, the field of view angle (FOV angle) of the light emitted by the light emitting component 30 may range from 48° to 52°, for example, 50°. 9 and 10 , optionally, the aperture a of the light exit hole 41 at one end of the light shielding member 40 in contact with the main control board assembly 10 (the bottom end shown in FIG. 9 ) may be 4.15mm to 4.25mm, eg 4.2mm. The aperture b of the light exit hole 41 at the end of the light shielding member 40 away from the main control board assembly 10 (the top shown in FIG. 9 ) may be 2.3 mm to 2.5 mm or 2.6 mm to 2.8 mm, for example, 2.4 mm. mm or 2.7mm. The length c of the light shielding member 40 along the extending direction of the light exit hole 41 is not greater than 3.2 mm, which can better extract the light emitted by the light emitting component 30 and achieve a better light shielding effect.

In an optional embodiment, during product processing, the aperture size of the light exit hole 41 can be adjusted according to the actual situation and product requirements, so as to change the light emission angle range formed by the light emitting element 30 from the light exit hole 41 . a. In another embodiment, in the process of product processing, the hole wall of the light exit hole 41 can be set to have a sloped or horn-shaped structure according to the actual situation and product requirements, and the slope angle of the sloped surface can be adjusted during the processing. , the light-emitting angle range α formed by the light-emitting component 30 from the light-emitting hole 41 can also be changed, so that the light-emitting angle range of the light-emitting component 30 can be adjusted. It can be understood that, the light-emitting angle range α formed by the light-emitting component 30 from the light-exiting hole 41 can be changed by adjusting the aperture of the light-exiting hole 41 , and/or the inclination angle of the slope of the hole wall of the light-exiting hole 41 can be adjusted. The light-emitting angle range α formed by the light-emitting element 30 from the light-emitting hole 41 is changed.

In some optional embodiments, as shown in FIGS. 1-5 , the housing 50 includes a first housing part 51 and a second housing part 52 spliced to each other, the first housing part 51 and all the The accommodating space is formed between the second housing parts 52 . In some other examples, the main control board assembly 10 is connected to the second housing portion 52 so as to be fixed in the housing 50 . It can be understood that the first housing part 51 and the second housing part 52 can each form a receiving cavity, and the two receiving cavities are combined with each other to form the receiving space for accommodating the lens module 20 and the light-emitting assembly 30 . and the shading member 40 . The first housing part 51 and the second housing part 52 can be made of aluminum alloy material, which is beneficial to heat dissipation of the lens module 20 and the light emitting assembly 30 . The first housing portion 51 and the second housing portion 52 may be connected to each other by means of fasteners 511 such as screws. In order to achieve better heat dissipation effect, at least one of the first housing portion 51 and the second housing portion 52 may be provided with heat dissipation fins 55, which is more conducive to heat dissipation.

Optionally, the first through hole 53 is located in the first housing portion 51 .

The hole wall of the first through hole 53 extends away from the main control board assembly 10 to form the first protruding portion 54 , that is, the first protruding portion 54 is formed at a position corresponding to the first through hole 53 and Protruding outward from the outer wall of the first housing portion 51 , the light shielding member 40 is at least partially located within the first protruding portion 54 . On the one hand, the shading member 40 is partially located in the first protruding portion 54, and the light emitted by the light emitting assembly 30 can be led out of the housing 50 through the first through hole 53, so that the light emitted by the light emitting assembly 30 can be better matched with the lens module. 20 are separated to reduce the impact on the lens module 20. On the other hand, the lens module 20 may also be partially located in the first protruding portion 54 , which is convenient to lengthen the length of the lens module 20 to obtain better shooting depth of field and improve shooting quality.

In order to achieve better imaging quality of the lens module 20 , a filter 56 is provided in the casing, and the filter 56 abuts on the end of the light shielding member 40 away from the main control board assembly 10 , and The filter 56 covers the light exit hole 41 . The filter 56 can isolate the lens module 20 from the outside, and can filter the external light.

Optionally, the filter 56 is arranged in the first protruding part 54, and the filter 56 is arranged in the first protruding part 54 near the first through hole 53 through the adhesive 57. It can be understood that , the size of the filter 56 is adapted to the aperture of the first through hole 53 , so as to better filter the light passing through the first through hole 53 to achieve a better filtering effect. Optionally, the light shielding member 40 is in contact with the filter 56 at its end away from the main control board assembly 10, which can minimize the gap between the light shielding member 40 and the filter 56, thereby reducing the light leaks. Optionally, the end of the lens module 20 away from the main control board assembly 10 is in contact with the filter 56, which can reduce the gap between the lens module 20 and the filter 56, thereby reducing the gap between the lens module 20 and the filter 56. Reduce light leakage.

In some optional embodiments, the light-emitting assembly 30 includes an LED lamp, and the shading member 40 is covered outside the LED lamp. The main control board assembly 10 includes a main circuit board 11 and a light board 12 connected to the main circuit board 11 . The lens module 20 is mounted on the main circuit board 11 , and both the LED lamp and the shading member 40 are mounted on the light board 12 . The light board 12 is connected to the housing 50 , and optionally, the light board 12 is connected to the second housing part 52 . Optionally, the number of LED lights may be one or more, which may be set according to actual needs, which is not limited in this application. The light plate 12 can be made of plastic parts or other plates that are easy to dissipate heat. Since the LED lamp generates heat during operation, the LED lamp is arranged on the light plate 12, and the light plate 12 can play a role of heat dissipation. Optionally, the light plate 12 is a centrally symmetric plate-like structure, which can increase the heat dissipation area, adapt to the size requirements of different scenarios, and save material costs. In addition, the lamp panel 12 may be in direct contact with the housing 50, so that the heat of the lamp panel 12 is directly conducted to the housing.

Referring to FIG. 11 and FIG. 12 , in order to improve the heat dissipation effect, the gap between the lamp board 12 and the first housing part 51 may be filled with heat dissipation colloid. Optionally, the heat-dissipating colloid can be a heat-dissipating gel, which can reduce the thermal resistance and improve the heat-dissipating effect. Through the above arrangement, the heat dissipation of the LED lamp can be facilitated, the temperature of the camera 100 can be controlled within the range of 40°C to 50°C, and the service life of the camera can be prolonged. Optionally, the shading member 40 and the filter 56 are assembled with a 0-gap. The light-shielding member 40 and the lamp panel 12 are in interference fit, and are assembled and fixed with each other using a processing standard with an interference of 0.1 mm.

A second protruding portion 58 is formed in the housing 50 . Optionally, as shown in FIG. 5 and FIG. 7 , the second protruding part 58 extends from the second housing part 52 toward the direction close to the first housing part 51 , and the lamp board 12 is connected to the The second protruding portion 58 is fixedly connected to realize the connection with the housing 50 . Optionally, the second protruding portion 58 is provided with a mounting hole 59 , and the light board 12 is provided with a connecting hole 121 (see FIG. 13 ) that is adapted to the mounting hole 59 , and a fastener such as a screw passes through the connecting hole 121 and are fastened to the mounting holes 59 to connect the lamp board 12 and the second housing part 52 to each other. The lamp board 12 is in direct contact with the casing 50, which can quickly dissipate the heat emitted by the LED lamp to the casing, thereby improving the service life of the LED lamp.

In order to achieve better heat dissipation effect, the area of the lamp board 12 may be set to be larger than the cross-sectional area of the second protruding portion 58 . By increasing the area of the lamp board 12, a better heat dissipation effect can be achieved. In addition, as shown in FIG. 13 , according to the actual structure of the housing 50 and the size of the internal space, the lamp panel 12 can adopt a center-symmetric structure, which can be accommodated in the housing 50 without causing waste of plates.

Referring to FIGS. 14 to 16 , in some optional embodiments, the camera 100 of the present application may be installed on the vehicle interior member 91 in conjunction with the bracket 80 and used as a vehicle-mounted camera device. With reference to FIG. 3 , a plurality of grooves 501 may be formed on the housing 50 , and the camera 100 is fixedly connected to the bracket 80 through fasteners 502 (eg, screws) passing through the grooves 501 . The bracket 80 can be arranged in an irregular structure according to the structure of the frame, and both ends of the bracket 80 can be fixedly connected to the inner member of the frame through fasteners 81 .

In order to facilitate the connection of the camera 100 with external devices (such as the wire harness connector 90 ), the housing 50 is provided with a second through hole (not shown), as shown in FIGS. 3-5 , the camera 100 further includes a sealing member 60 and a connector 61 for connecting external devices, one end of the connector 61 is connected to the main circuit board 11 of the main control board assembly 10, and the other end of the connector 61 passes through the second through hole , the sealing member 60 is disposed between the connecting head 61 and the second through hole, which can play a role of dust and water resistance. The connecting head 61 is a hollow structure, and a through hole can be formed in the middle of the connecting head 61 , so that the wire harness passing through the external wire harness connector 90 is connected to the main circuit board 11 to supply power to the camera 100 . Optionally, the side portion of the connector 61 may be provided with a structural member such as a snap portion 63 for realizing interconnection with the external wire harness connector 90 .

Further, as shown in FIGS. 15 and 16 , a convex portion may be formed on the hole wall of the second through hole, the sealing member 60 is an annular sealing structure, and the sealing member 60 is formed with a convex portion. The matching groove part 62 can play a better dustproof and waterproof effect at the position of the second through hole of the casing 50 through the cooperation of the convex part and the groove part 62 . Optionally, the protruding portion may be continuously formed along the circumferential direction of the hole wall of the second through hole, so as to achieve a better dustproof and waterproof effect.

With reference to FIG. 16 , in some embodiments, an end face of the sealing member 60 close to the groove portion 62 (shown on the left side in FIG. 16 ) is opposite to the bottom wall of the groove portion 62 . For inclined arrangement, the inclination angle β of the end face of the sealing member 60 close to the groove portion 62 relative to the bottom wall of the groove portion 62 ranges from 44° to 46°, for example, 45°. In other embodiments, an end face of the sealing member 60 away from the groove portion 62 (shown on the right side in FIG. 16 ) is inclined relative to the bottom wall of the groove portion 62 . The inclination angle θ of the end face of the sealing member 60 away from the groove portion 62 relative to the bottom wall of the groove portion 62 ranges from 19° to 21°, for example, 20°. In other embodiments, the width d of the groove portion 62 ranges from 1.02 mm to 1.08 mm, for example, 1.05 mm, which can improve the connection strength with the hole wall of the second through hole.

Referring to FIG. 17 , in some optional embodiments, the camera 100 may further include a lens mount 70 , the lens mount 70 is mounted on the main control board assembly 10 , and the lens module 20 Installed on the lens mount 70 . The lens mount 70 can be used as the base of the lens module 20 to make the installation of the lens module 20 more firm. Optionally, the lens mount 70 adopts a square structure. The lens mount 70 may include an ear plate 71, the ear plate 71 is located at the side of the lens mount 70, and the ear plate 71 is connected with the main control board assembly 10, so that the lens mount 70 can be connected to the main control board assembly 10. The main control board assembly 10 is connected. Optionally, the lugs 71 can be disposed on any two sides of the lens mount 70, and the lugs 71 are connected to the main circuit board 11 by fasteners (such as screws), or the lugs 71 are directly welded to the main circuit board 11 on.

Further, as shown in FIG. 5 and FIG. 17 , the lens module 20 includes a lens assembly 21 and an imaging sensor 22 . The imaging sensor 22 is disposed on the main circuit board 11 , the lens mounting member 70 is installed on the main circuit board 11 at a position corresponding to the imaging sensor 22 , and the lens mounting member 70 is provided with the a third through hole 72 corresponding to the position of the imaging sensor 22 , the lens assembly 21 is mounted on the lens mount 70 and passes through the third through hole 72 along the extending direction of the third through hole 72 , Therefore, the third through hole 72 and the imaging sensor 22 are optically matched. Optionally, the dimension e of the lens mount 70 ranges from 8.4mm to 8.8mm, for example, 8.6mm. The inner wall of the third through hole 72 is provided with threads (see FIG. 7 ), and the lens assembly 21 is assembled with the lens mount 70 by screwing.

In order to realize the adjustment of the imaging sensor 22, the imaging sensor 22 is arranged in a square structure, and the third through hole 72 is arranged as a square hole or a circular hole matching the shape of the imaging sensor 22, which can expose the entire imaging sensor 22. In this way, in the process of product processing, the viewing angle of the imaging sensor 22 can be adjusted by an odd multiple of 90° according to the actual situation and product requirements, that is, the placement angle of the imaging sensor 22 can be adjusted according to the actual situation, and the arrangement is more flexible.

Referring to FIGS. 14 and 18 , an embodiment of the present application further provides an in-vehicle camera device, including a bracket 80 and a camera 100 , the camera 100 is fixedly connected to the bracket 80 , and the bracket 80 is used for connecting with the internal components of the vehicle 91 (such as the A-pillar of the frame) is fixed. The lens module 20 of the camera 100 is disposed toward the driver area where the driver 93 in the vehicle is located, and is used to collect the video stream of the driver 93 . The camera 100 is arranged so that the head of the driver 93 is located in the middle of the field of view of the camera 100 , and the face information of the driver 93 is captured by the camera 100 , so as to achieve the monitoring function. It should be noted that, in the above embodiments and implementation manners, the description about the camera 100 can also be applied to the vehicle-mounted camera device of the present application.

The camera 100 may be mounted on the vehicle interior member 91 in cooperation with the bracket 80 . The bracket 80 and the camera 100 can be detachably connected by fasteners 502 such as screws. In some embodiments, several grooves 501 may be formed on the housing 50 , and the camera 100 is fixedly connected to the bracket 80 through fasteners 502 (eg, screws) passing through the grooves 501 . The bracket 80 can be arranged in an irregular structure according to the structure of the frame, and both ends of the bracket 80 can be fixedly connected to the inner member 91 of the frame through fasteners 81 . The structure of the bracket 80 can be adjusted according to the structure of the frame, and can be adapted to the general models in the market.

The camera 100 can collect video streams such as the driver closing his eyes, bowing his head, opening his mouth, driving with one hand, holding a mobile phone, etc. The camera 100 can be connected to a server and an alarm device. yawning, answering the phone, etc. When the camera 100 captures the above-mentioned illegal behavior of the driver, the server can control the alarm device to perform corresponding operations such as alarm and voice reminder, so as to improve driving safety. At the same time, the server may save the video stream captured by the camera 100 for subsequent operations.

Embodiments of the present application further provide a vehicle, including a vehicle body and a vehicle-mounted camera device, wherein a camera of the vehicle-mounted camera device is mounted on an internal component of the vehicle body. It should be noted that, in the above embodiments and implementation manners, the description about the camera can also be applied to the vehicle of the present application. The lens module of the camera is arranged toward the driver, and is used to collect the video stream of the driver. The camera is arranged so that the driver's head is located in the middle of the field of view of the camera, and the driver's face information is captured by the camera, so as to achieve the monitoring function.

In some optional embodiments, the internal component includes a frame connecting column, and the camera of the vehicle-mounted camera device is mounted on the vehicle frame connecting column, which can form a better shooting angle. The frame connecting column may include a frame A-pillar, and the camera of the vehicle-mounted camera device is mounted on the frame A-pillar.

Embodiments of the present application further provide a driver behavior detection system, including a controller and a vehicle-mounted camera device, wherein the controller is electrically connected to a camera of the vehicle-mounted camera device. The controller performs driver behavior detection based on the video stream of the driver area captured by the camera. It should be noted that, in the above embodiments and implementation manners, the description about the camera can also be applied to the driver behavior detection system of the present application.

The camera can collect video streams such as the driver closing his eyes, bowing his head, opening his mouth, driving with one hand, holding a mobile phone, etc. The camera can be electrically connected to the controller, and the controller can be connected to the alarm. The controller can analyze and judge the driver according to the above video stream analysis. Dozing off, playing with the phone, yawning, answering the phone, etc. When the camera captures the above-mentioned illegal behavior of the driver, the controller can control the alarm to perform corresponding operations such as alarm and voice reminder to improve driving safety. At the same time, the controller can save the video stream captured by the camera for subsequent operations.

The above descriptions are only some embodiments of the present application, and are not intended to limit the present application in any form. Although the present application has been disclosed above with some embodiments, it is not intended to limit the present application. Any person skilled in the art, without departing from the scope of the embodiments of the present application, can make some modifications by using the technical content disclosed above. Moves or modifications are equivalent embodiments of equivalent variations. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present application without departing from the content of the embodiments of the present application still fall within the scope of the embodiments of the present application.

Claims

A camera comprising:

a casing, a receiving space is formed in the casing;

a main control board assembly, the main control board assembly is arranged in the accommodation space;

a lens module and a light-emitting assembly, the lens module and the light-emitting assembly are installed on the main control board assembly,

The camera further includes a light-shielding member with a light-emitting hole, the light-shielding member is covered outside the light-emitting assembly, and the lens module and the light-shielding member are arranged side by side on the main control board assembly.
The camera of claim 1, wherein,

The shading member is an independent component installed on the main control board assembly, or the shading member is integrally provided with the housing and the shading member is in contact with the main control board assembly;

The light exit hole is located at an end of the light shielding member away from the main control board assembly.
The camera according to claim 1, wherein the housing defines a first through hole corresponding to the position of the lens module and the light-emitting assembly, and the lens module and the light-emitting assembly are at least partially located in the in the first through hole.
The camera according to claim 3, wherein a hole wall of the first through hole extends in a direction away from the main control board assembly to form a first protrusion, and the light shielding member is at least partially located on the first protrusion within the department.
The camera according to claim 4, wherein a filter is provided in the first protruding part; wherein,

The light shielding member is in contact with the filter at one end away from the main control board assembly; and/or

The lens module is in contact with the filter at one end away from the main control board assembly.
The camera according to claim 3, wherein the casing comprises a first casing part and a second casing part which are spliced to each other, and a space between the first casing part and the second casing part is formed. In the accommodating space, the first through hole is located in the first housing part; and/or

The main control board assembly is connected with the second housing part.
The camera of claim 1, wherein,

The housing is provided with a filter, the filter is in contact with the end of the light shielding member away from the main control board assembly, and the filter covers the light exit hole; and/or

The aperture diameter of the light exit hole at the end of the light shielding member in contact with the main control board assembly is larger than the aperture diameter of the light exit hole at the end of the light shielding member away from the main control board assembly; and/or

The aperture of the light exit hole at the end of the light shielding member in contact with the main control board assembly is 4.15mm to 4.25mm; and/or

The aperture of the light exit hole at the end of the light shielding member away from the main control board assembly is 2.3mm to 2.5mm or 2.6mm to 2.8mm; and/or

The length of the light shielding member along the extending direction of the light exit hole is not greater than 3.2 mm.
The camera of claim 1, wherein,

The light-emitting assembly includes an LED lamp, and the main control board assembly includes a main circuit board and a light board connected to the main circuit board;

The lens module is mounted on the main circuit board, and both the LED light and the shading member are mounted on the light board; and/or

the light panel is connected to the housing; and/or

The light panel is a centrally symmetric plate-like structure.
The camera according to claim 8, wherein a heat dissipation colloid is filled between the light board and the housing.
The camera according to claim 8, wherein a second protruding portion is formed in the housing, and the lamp board is fixedly connected to the second protruding portion.
The camera according to claim 10, wherein an area of the light plate is larger than a cross-sectional area of the second protruding portion.
The camera according to claim 1, wherein the casing is provided with a second through hole, the camera further comprises a sealing member and a connector for connecting an external device, one end of the connector is connected to the main controller The board components are connected, the other end of the connecting head passes through the second through hole, and the sealing member is arranged between the connecting head and the second through hole.
The camera of claim 12, wherein,

A raised portion is formed on the hole wall of the second through hole, the sealing member is an annular sealing structure, and the sealing member is formed with a groove portion adapted to the raised portion; and/or

The end face of the sealing member close to the groove portion is inclined relative to the bottom wall of the groove portion, and the end face of the sealing member close to the groove portion is opposite to the groove portion. The inclination angle of the bottom wall is in the range of 44° to 46°; and/or

The end face of the sealing member away from the groove portion is inclined relative to the bottom wall of the groove portion, and the end face of the sealing member away from the groove portion is opposite to the groove portion. The angle of inclination of the bottom wall is in the range of 19° to 21°; and/or

The width of the groove portion ranges from 1.02 mm to 1.08 mm.
The camera according to claim 1, further comprising a lens mount, the lens mount is mounted on the main control board assembly, and the lens module is mounted on the lens mount.
The camera according to claim 14, wherein the main control board assembly includes a main circuit board, the lens module includes a lens assembly and an imaging sensor; the imaging sensor is arranged on the main circuit board, and the lens is installed The lens mounting member is installed on the main circuit board at a position corresponding to the imaging sensor, and the lens mounting member is provided with a third through hole corresponding to the position of the imaging sensor;

Wherein, the lens assembly is mounted on the lens mount and passes through the third through hole along the extending direction of the third through hole; and/or

The imaging sensor has a square structure, and the third through hole is a square hole or a circular hole adapted to the shape of the imaging sensor; and/or

the lens mounts are in the range of 8.4mm to 8.8mm; and/or

The lens mount includes an ear plate, the ear plate is located on the side of the lens mount, and the ear plate is connected with the main control board assembly.
An in-vehicle camera device, comprising the camera according to any one of claims 1 to 15.
The in-vehicle camera device according to claim 16, further comprising a bracket, the camera is fixedly connected with the bracket, the bracket is used for being fixedly connected with the vehicle interior components; the camera is arranged toward the driver area in the vehicle.
The vehicle-mounted camera device according to claim 17, wherein the bracket and the camera are detachably connected by fasteners.
A vehicle, comprising a vehicle body and the in-vehicle camera device according to any one of claims 16 to 18.
The vehicle according to claim 19, wherein the camera of the in-vehicle camera device is mounted on an internal member of the vehicle body;

The interior components of the vehicle body include an A-pillar inside the vehicle.
A driver behavior detection system, comprising a controller and an in-vehicle camera device according to any one of claims 16 to 18, wherein the controller is electrically connected with a camera of the in-vehicle camera device; The video stream of the driver area captured by the camera is used to perform driver behavior detection.