CN217846857U

CN217846857U - Camera module and robot

Info

Publication number: CN217846857U
Application number: CN202221362999.0U
Authority: CN
Inventors: 高海; 王金; 余文华
Original assignee: Cloudminds Shanghai Robotics Co Ltd
Current assignee: Cloudminds Shanghai Robotics Co Ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-11-18
Anticipated expiration: 2032-05-24

Abstract

The embodiment of the application provides a camera module and robot, wherein, camera module includes: the mounting cavity is provided with an opening, at least two shells are detachably connected, and two adjacent shells are hermetically connected through a sealing structure; the light-transmitting mirror is used for sealing and covering the opening; and the camera body is arranged in the mounting cavity, and the lens of the camera body faces the light-transmitting mirror. Among the technical scheme that this application embodiment provided, camera module self has waterproof function, can regard as an solitary whole module to exist, and after each structure of self assembled and formed an independent module, on adopting the mode of modularized assembly to install the robot, realize modularization quick detach installation, can simplify the assembly step simultaneously, for swiftly changing the module and reprocess and provide convenience.

Description

Camera module and robot

Technical Field

The application relates to the technical field of robots, in particular to a camera module and a robot.

Background

Cameras in the robot industry are assembled with other structures in a layer-by-layer stacking mode, so that the cameras are complex to assemble and repair and disassemble, and meanwhile, the waterproof performance of the assembling mode is poor.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present application are proposed in order to provide a camera module and a robot that solve the above problems or at least partially solve the above problems.

An embodiment of the present application provides a camera module, including:

the mounting cavity is provided with an opening, at least two shells are detachably connected, and two adjacent shells are hermetically connected through a sealing structure;

the light-transmitting mirror is used for sealing and covering the opening; and (c) a second step of,

the camera body is arranged in the mounting cavity, and the lens of the camera body faces the light-transmitting mirror.

Optionally, the plurality of housings include a heat dissipation base, the heat dissipation base is made of metal, and the heat dissipation base is used for absorbing heat of the camera body.

Optionally, the heat dissipation base includes a heat dissipation bottom plate and a heat dissipation convex pillar disposed on the heat dissipation bottom plate, the heat dissipation bottom plate is connected to the other housing in a sealing manner, and the heat dissipation convex pillar is located in the installation cavity and adjacent to the heat source of the camera body.

Optionally, a gap between the heat dissipation convex column and the camera body is filled with heat-conducting silica gel.

Optionally, the plurality of shells further include a face shell and a bottom shell, and the face shell and the bottom shell are detachably connected;

the light-transmitting mirror is arranged on one side, deviating from the bottom shell, of the face shell, and the heat dissipation base is arranged on one side, deviating from the face shell, of the bottom shell.

Optionally, the face shell is provided with a first flanging bent outwards, the bottom shell is provided with a second flanging bent outwards, and the first flanging and the second flanging are detachably connected through a fastener.

Optionally, the bottom shell is provided with a mounting post, a mounting hole is formed in the mounting post, one end of the mounting hole is fixed to the camera body, and the other end of the mounting hole is connected to the heat dissipation base.

Optionally, the camera body comprises a lens and an infrared light compensation plate which are connected, the infrared light compensation plate is supported by the mounting post, and the infrared light compensation plate is fixed to the mounting hole.

Optionally, the sealing structure includes a first sealing ring disposed between the face shell and the bottom shell, and a second sealing ring disposed between the bottom shell and the heat dissipation base.

The embodiment of the present application further provides a robot, including a camera module, the camera module includes:

the device comprises a plurality of shells, a plurality of connecting pieces and a plurality of connecting pieces, wherein the shells are enclosed to form an installation cavity, the installation cavity is provided with an opening, at least two shells are detachably connected, and every two adjacent shells are hermetically connected through a sealing structure;

The technical scheme that this application embodiment provided, a plurality of casings and printing opacity mirror form the confined installation cavity jointly, can the separation in external steam, dust etc. enter into the installation cavity, play the effect of protection to the camera main part that sets up in the installation cavity. The camera module has a waterproof function and can be used as an independent whole module, after each structure of the camera module is assembled to form an independent module, the camera module is installed on the robot in a modular assembling mode, the modular quick-release installation is realized, the assembling steps can be simplified, and convenience is brought to quick module replacement and repair.

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 embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following descriptions are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic view of an assembly structure of a camera module according to an embodiment of the present disclosure;

FIG. 2 is a cut-away schematic view of the camera module of FIG. 1;

fig. 3 is an exploded view of the camera module of fig. 1.

Reference numerals:

reference numerals	Name (R)	Reference numerals	Name (R)	Reference numerals	Name(s)
						100	Camera module	41	Top board	61	Second turned-over edge
10	Camera body	42	Opening of the container	62	Mounting post
						11	Lens barrel	43	First turned-over edge	63	Mounting hole
12	Infrared light supplementing plate	50	Heat radiation base	64	Connecting ring wall
						121	Avoiding hole	51	Heat radiation bottom plate	70	Fastening piece
13	Circuit board	511	Hole of stepping down	80	External connecting wire
						20	Mounting cavity	512	Connecting hole	91	First seal ring
30	Light-transmitting mirror	52	Heat radiation convex column	92	Second seal ring
						40	Face shell	60	Bottom shell	93	Heat-conducting silica gel

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.

It should be noted that, in the description of the present application, if the terms "first", "second", etc. appear, the terms "first", "second", etc. are only used for convenience in describing different components or names, and cannot be understood as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if "and/or" is presented throughout, it is meant to include three juxtapositions, exemplified by "A and/or B," including either scheme A, or scheme B, or schemes in which both A and B are satisfied.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

The embodiment of the application provides a camera module and a robot.

Referring to fig. 1 to fig. 3, a camera module 100 provided in the present embodiment includes a housing and a camera body 10, a mounting cavity 20 is formed in the housing, and the camera body 10 is mounted in the mounting cavity 20. The shell is a closed shell, and can prevent external water vapor, dust and the like from entering the installation cavity 20, so that the camera body 10 is protected. Therefore, the camera module 100 has a waterproof function and can be used as an independent whole module, after each structure of the camera module is assembled to form an independent module, the camera module is installed on the robot in a modular assembly mode, modular quick-release installation is achieved, meanwhile, the assembling steps can be simplified, and convenience is brought to quick module replacement and repair.

The shell comprises a plurality of shells and a light-transmitting mirror 30, the shells surround to form a mounting cavity 20, the mounting cavity 20 is provided with an opening 42, and the light-transmitting mirror 30 covers the opening 42 in a sealing mode. And, through seal structure sealing connection between two adjacent casings, avoid appearing the gap between two continuous casings to can obstruct matters such as steam and enter into in the shell. Thus, the plurality of housings and the light-transmitting mirror 30 together form a closed space, i.e., the mounting chamber 20. The lens 11 of the camera body 10 faces the transparent mirror 30, and the lens 11 captures an image of the outside through the transparent mirror 30.

The toughened glass material can be chooseed for use to light-transmitting mirror 30, and back accessible silk screen printing or other modes set up the infrared printing ink of passing through, realize the function of infrared light filling, and the silk screen printing is avoided to camera body 10's camera lens 11 position, satisfies the high luminousness requirement of camera lens, and the luminousness reaches and is greater than or equal to 95%, and intensity is high, and the thermostability is high, and the security performance is high, and is resistant scraping, the inside camera body 10 of protection that can be better and have clear picture of shooing.

The camera body 10 may employ a four-eye camera.

In the embodiment of the present application, the detachable connection between at least two housings opens the installation cavity 20 by detaching the two housings, and can facilitate the replacement and repair of the camera body 10. Means for detachable attachment include, but are not limited to, screws, pins, snaps, and the like.

In the foregoing, the plurality of housings include the heat dissipation base 50, the heat dissipation base 50 is made of metal, and the heat dissipation base 50 is used for absorbing the heat of the camera body 10, and transmits the absorbed heat to the outside, and the heat dissipation base 50 made of metal has good heat conductivity, so as to be beneficial to the rapid heat dissipation of the camera body 10, avoid the overheating phenomenon of the camera body 10, and avoid the phenomenon that the temperature rise is too high to cause the bad and snowflake appearance of the shot picture.

The heat dissipation base 50 can be made of aluminum alloy, and has good heat conduction performance.

In this embodiment, the heat dissipation base 50 may directly contact with the camera body 10, and the heat of the camera body 10 is directly transferred to the heat dissipation base 50 through a contact heat dissipation method, and then transferred to the outside through the heat dissipation base 50. Of course, other materials may be disposed between the heat dissipation base 50 and the camera body 10 for contact, for example, a heat conductive silicone 93 having a thermal conductivity better than that of the heat dissipation base 50 is disposed, and the heat conductive silicone 93 fills a gap between the heat dissipation base 50 and the camera body 10. Alternatively, the heat dissipation base 50 and the camera body 10 have a small gap therebetween, and perform air convection heat dissipation.

The heat dissipation base 50 has both functions of dissipating heat and sealing the mounting cavity 20, and in some embodiments, the heat dissipation base 50 includes a heat dissipation base plate 51 and a heat dissipation convex column 52 disposed on the heat dissipation base plate 51, the heat dissipation base plate 51 is hermetically connected to another housing, and the heat dissipation convex column 52 is located in the mounting cavity 20 and adjacent to the heat source of the camera body 10. Optionally, a gap between the heat dissipation pillar 52 and the camera body 10 is filled with a heat conductive silicone 93. Therefore, the heat generated by the heat source of the camera body 10 is transferred to the heat dissipating stud 52 through the heat conductive silicone 93, and then dissipated to the outside through the heat dissipating base plate 51.

The heat source of the camera body 10 is a component that generates heat after being electrically connected to the circuit board 13, the chip, and the like.

In the embodiment of the present application, the heat dissipation base 50 has a larger height (i.e. the position corresponding to the heat dissipation convex pillar 52) at a local part, rather than being thicker as a whole, so that the weight of the heat dissipation base can be reduced, and the use of materials and the cost can be reduced. Moreover, the heat dissipating protruding column 52 is directly disposed corresponding to the heat source, so that the heat generated by the heat source can be quickly absorbed and transferred.

The heat dissipation convex column 52 can be square, circular and the like, and can be designed according to the shape of the heat source, so as to cover the bottom surface of the heat source as much as possible, and avoid the problem that the heat dissipation convex column 52 excessively exceeds the periphery of the bottom surface of the heat source to cause overlarge volume of the heat dissipation convex column, and prevent the excessive occupation of the inner space of the installation cavity 20.

The shape of the heat dissipation base plate 51 may be designed according to the housing, such as the bottom housing 60, connected thereto, so as to cover the opening at the bottom of the bottom housing 60. For example, the heat-dissipating base plate 51 may be circular in shape.

Further, the heat dissipation base 50 is provided with a relief hole 511, and specifically, the relief hole 511 is opened in the heat dissipation bottom plate 51. Camera module 100 still includes external connection line 80, and external connection line 80 stretches into installation cavity 20 from hole 511 of stepping down, and one end and camera main part 10 electric connection that external connection line 80 is located installation cavity 20, and the one end that external connection line 80 is located the installation cavity 20 outside links to each other with the main control board of robot.

The joint of external connection line 80 and the hole edge sealing connection of hole 511 of stepping down should connect self to adopt softer materials such as silica gel or rubber, can be directly with the hole edge interference fit of hole 511 of stepping down, realize sealed effect, and this sealing method is convenient for extract and insert external connection line 80. Specifically, the joint is provided with a ring groove into which the rim of the relief hole 511 is sealingly snapped. In other embodiments, a sealing ring or glue may be disposed between the joint and the edge of the relief hole 511 for sealing.

Further, the plurality of housings further includes a front case 40 and a bottom case 60, and the front case 40 and the bottom case 60 are detachably connected.

The housing 40 may be a cylindrical structure, and in a specific embodiment, the housing 40 has a cylindrical structure with a top plate 41 at one end and an opening at the other end, and the top plate 41 is provided with a plurality of through holes to form an opening 42 of the mounting cavity 20. Some of the through holes are opened corresponding to the fill-in light on the infrared fill-in light plate 12, and the other through holes are opened corresponding to the lens 11 of the camera body 10. Of course, the panel housing 40 may have a tubular structure with both ends penetrating.

Similarly, the bottom shell 60 may be a tubular structure with two ends penetrating or a closed ring structure, and the bottom shell 60 is disposed at the open end of the face shell 40, and the two are hermetically connected by a sealing structure.

The face shell 40 is provided with a first flanging 43 which is bent outwards, the bottom shell 60 is provided with a second flanging 61 which is bent outwards, and the first flanging 43 and the second flanging 61 are detachably connected through a fastener 70. Fasteners 70 include, but are not limited to, screws, bolts, pins, and the like. Optionally, two opposite sides of the face shell 40 are respectively provided with a first flange 43, and two opposite sides of the bottom shell 60 are correspondingly provided with two second flanges 61, so that bilateral symmetric connection is realized, and stability is better. Illustratively, the first flange 43 is disposed at an end of the face shell 40 adjacent the bottom shell 60, and the second flange 61 is disposed at an end of the bottom shell 60 adjacent the face shell 40.

Bottom housing 60 is provided with mounting posts 62, and mounting posts 62 are disposed on the inside of bottom housing 60 such that mounting posts 62 are located within mounting cavity 20. Specifically, one end of the bottom shell 60 away from the face shell 40 is provided with a connecting annular wall 64, the connecting annular wall 64 protrudes out of the inner wall of the bottom shell 60, and the mounting posts 62 are arranged on the connecting annular wall 64 and extend towards one side of the face shell 40.

Further, a mounting hole 63 is formed in the mounting post 62, the mounting hole 63 penetrates the connecting annular wall 64 and the mounting post 62, one end of the mounting hole 63 (i.e., the end of the mounting hole 63 far away from the connecting annular wall 64) is fixed to the camera body 10, and the other end of the mounting hole 63 (i.e., the end of the mounting hole 63 penetrating the connecting annular wall 64) is connected to the heat dissipation base 50. The mounting hole 63 and the camera body 10 may be fixed by screws, and similarly, the mounting hole 63 and the heat dissipation base 50 may be fixed by screws.

The camera body 10 comprises a lens 11 and an infrared light supplement plate 12 which are connected, the infrared light supplement plate 12 is supported and fixed through a mounting column 62, and the infrared light supplement plate 12 is fixed with a mounting hole 63. Optionally, the bottom shell 60 is provided with two mounting posts 62, and the two mounting posts 62 are respectively disposed on two opposite sides of the infrared light supplement panel 12. Thereby, the camera body 10 is supported and fixed by the two mounting posts 62.

Specifically, the infrared light supplement plate 12 is provided with an avoiding hole 121, and the lens 11 penetrates through the avoiding hole 121 toward a side close to the light-transmitting mirror 30. One end of the lens 11 far away from the transparent mirror 30 is provided with a circuit board 13, and the circuit board 13 is positioned on one side of the infrared light compensation plate 12 far away from the transparent mirror 30. The heat dissipating stud 52 of the heat dissipating base 50 contacts the circuit board 13 through the heat conductive silica gel 93.

The heat dissipation base plate 51 of the heat dissipation base 50 abuts against one side of the connecting annular wall 64 departing from the mounting column 62, has a larger contact area, and can limit the heat dissipation base 50 to prevent the heat dissipation base 50 from moving into the mounting cavity 20.

A second sealing ring 92 is arranged between the heat dissipation base plate 51 and the connecting annular wall 64 for sealing connection, so that water vapor is prevented from entering the installation cavity 20 from the joint of the heat dissipation base plate 51 and the connecting annular wall 64.

The heat dissipation base 50 and the bottom case 60 may be detachably connected, for example, by screws as mentioned above, so that the operations of replacing and repairing the internal structure, such as the camera body 10, may be performed by detaching the heat dissipation base 50 and the bottom case 60.

The heat dissipating base plate 51 is provided with a connecting hole 512 corresponding to the mounting hole 63, and screws are inserted through the connecting hole 512 and the mounting hole 63, so that the heat dissipating base plate 51 is fixed to the bottom case 60.

The light transmission mirror 30 is arranged on one side of the face shell 40 departing from the bottom shell 60, namely the light transmission mirror 30 is arranged on the top plate 41 of the face shell 40, a plurality of through holes are sealed and covered, the heat dissipation base 50 is arranged on one side of the bottom shell 60 departing from the face shell 40, and an opening of the bottom shell 60 is sealed and covered. Thus, the transparent mirror 30, the face housing 40, the bottom housing 60, and the heat sink base 50 together form the closed mounting cavity 20.

Face-piece 40 is provided with the overlap joint arch towards the one end of printing opacity mirror 30, and the overlap joint arch sets up the inside wall at face-piece 40, and the overlap joint arch can be cyclic annularly, perhaps, and the overlap joint arch is a plurality of archs of interval distribution in proper order along 40 rings of face-piece, and printing opacity mirror 30 overlap joint is spacing through the overlap joint arch on the overlap joint arch, avoids printing opacity mirror 30 to drop in installation cavity 20. Further, the overlapping protrusion may increase a contact area of the face housing 40 and the transparent mirror 30, provide mounting stability between the transparent mirror 30 and the face housing 40, and increase a sealing surface.

Optionally, in some embodiments, the top plate 41 constitutes a snap projection.

The face shell 40 and the light-transmitting mirror 30 can be bonded and fixed by glue, double-sided adhesive tape and the like, and the bonding mode has better sealing performance.

The sealing structure includes a first sealing ring 91 disposed between the face case 40 and the bottom case 60, and further includes a second sealing ring 92 disposed between the bottom case 60 and the heat dissipation base 50.

The first sealing ring 91 and the second sealing ring 92 can be made of silica gel, rubber or silicon rubber, and have a good sealing effect. In addition, the thickness of the first sealing ring 91 may be large, and accordingly, an annular sealing groove is provided on the face shell 40 or the bottom shell 60, and the first sealing ring 91 is embedded in the annular sealing groove. The thickness of the second seal ring 92 may be thin, similar to the form of a gasket. Of course, in the embodiment of the present application, the thicknesses of the first seal ring 91 and the second seal ring 92 are not limited as long as the sealing requirements can be satisfied.

The embodiment of the present application further provides a robot, where the robot includes a camera module 100, and please refer to the above embodiment for a specific structure of the camera module 100, which is not described herein again.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present application, and are not limited thereto; although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A camera module, comprising:

the light-transmitting mirror is used for sealing and covering the opening; and the number of the first and second groups,

2. The camera module of claim 1, wherein the plurality of housings comprise a heat sink base, the heat sink base is made of metal, and the heat sink base is used for absorbing heat of the camera body.

3. The camera module of claim 2, wherein the heat dissipation base comprises a heat dissipation base plate and a heat dissipation convex pillar disposed on the heat dissipation base plate, the heat dissipation base plate is hermetically connected to the other housing, and the heat dissipation convex pillar is located in the mounting cavity and adjacent to the heat source of the camera body.

4. The camera module of claim 3, wherein a gap between the heat dissipating stud and the camera body is filled with thermally conductive silicone.

5. The camera module according to any one of claims 2 to 4, wherein the plurality of housings further comprise a front case and a bottom case, the front case and the bottom case being detachably connected;

6. The camera module according to claim 5, wherein the face housing is provided with a first flange bent outward, the bottom housing is provided with a second flange bent outward, and the first flange and the second flange are detachably connected by a fastener.

7. The camera module of claim 5, wherein the bottom case is provided with a mounting post, a mounting hole is formed in the mounting post, one end of the mounting hole is fixed to the camera body, and the other end of the mounting hole is connected to the heat dissipation base.

8. The camera module as claimed in claim 7, wherein the camera body includes a lens and an infrared light supplement panel connected to each other, the infrared light supplement panel is supported by the mounting post, and the infrared light supplement panel is fixed to the mounting hole.

9. The camera module of claim 5, wherein the sealing structure includes a first sealing ring disposed between the face shell and the bottom shell, and a second sealing ring disposed between the bottom shell and the heat sink base.

10. A robot comprising a camera module according to any of claims 1-9.