Single-board camera module

Abstract

The utility model discloses a single-board camera module, which comprises a front shell and a lens arranged in the middle of one end of the front shell, a PCB (printed circuit board) is arranged in the front shell, a rear shell is arranged at the other end of the front shell, and the PCB is fastened in the front shell by the rear shell; a waterproof adapter is further installed at the end, back to the front shell, of the rear shell, and one end of the waterproof adapter penetrates through the rear shell to be connected with the PCB. A fool-proof column and a notch are arranged on one side, facing the lens, of the PCB, and a positioning hole corresponding to the fool-proof column and a clamping block corresponding to the notch are arranged in the front shell. Through the integrated design, the front shell, the PCB, the rear shell and the waterproof adapter are integrated together, the occupied space and the cost are saved, meanwhile, the vibration problem of the circuit board can be reduced through the small size, rigid connection between the circuit board and the front shell is achieved through cooperation of the fool-proof column and the notch, and the connection between the PCB and the front shell is facilitated. And the vibration frequency of the circuit board is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle cameras, in particular to a single-board camera module. Background Art

[0002] At present, traditional vehicle-mounted cameras have complex structures and high costs. There are mainly several types: (1) The components of vehicle-mounted cameras include module packaging, optical lenses, etc. Each part needs to be precisely designed and manufactured, which increases its complexity and cost. (2) Module packaging, optical lenses and other parts also occupy a considerable proportion of the cost. Module packaging needs to ensure the stability and reliability of the camera, and the optical lens needs to provide high-quality images. These need to be achieved through high-quality materials and precise manufacturing processes, which increases costs. If the module packaging stability is not high, the vibration and impact during the vehicle's driving may affect the stability and reliability of the camera. This may cause image jitter or camera damage. Utility Model Content

[0003] The technical problem to be solved by the utility model is: how to provide a high-stability single-board camera module.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] A single-board camera module, comprising a front shell and a lens installed at a middle position of one end of the front shell, a PCB board is installed inside the front shell, a rear shell is installed at the other end of the front shell, wherein the rear shell fastens the PCB board inside the front shell; a waterproof adapter is also installed at one end of the rear shell facing away from the front shell, wherein one end of the waterproof adapter penetrates the rear shell and is connected to the PCB board;

[0006] The PCB board is provided with an anti-fool column and a notch on one side facing the lens, and the interior of the front shell is provided with a positioning hole corresponding to the anti-fool column and a clamping block corresponding to the notch.

[0007] The present application integrates the front shell, PCB board, back shell and waterproof adapter through an integrated design, which not only saves space and cost, but also reduces the vibration problem of the circuit board with its small size. The connection between the PCB board and the front shell of the present application utilizes the cooperation of anti-fool columns and notches to achieve a rigid connection between the circuit board and the front shell, greatly reducing the vibration frequency of the circuit board. A waterproof adapter is also provided at the same time. The design of the waterproof adapter enables it to fit tightly into the interface of the camera and form a waterproof barrier around the interface. This barrier can effectively prevent moisture from penetrating into the camera through the interface, thereby avoiding damage to the camera or affecting its normal operation.

[0008] As a further solution of the utility model: a plurality of mounting holes 2 are further provided on the side of the PCB board facing the lens, and a mounting hole 1 is provided inside the front shell at a position corresponding to the mounting hole 2, wherein the mounting hole 1 and the mounting hole 2 are detachably connected by a cross-slot pan head screw 1.

[0009] As a further solution of the utility model: the outer ring of the front shell facing the rear shell is provided with an anti-foolproof boss, and the side of the rear shell facing the front shell is provided with a groove one corresponding to the anti-foolproof boss, wherein the anti-foolproof boss is connected to the groove one.

[0010] As a further solution of the utility model: an indicating arrow 1 is provided on the side of the front shell facing the lens.

[0011] As a further solution of the utility model: an adapter installation groove 1 is opened on the side of the rear shell facing the waterproof adapter, wherein the adapter installation groove 1 and the waterproof adapter are detachably connected by a cross recessed pan head screw 2.

[0012] As a further solution of the utility model: an adapter slot is further provided at the middle position of the adapter installation slot 1, wherein the middle position of the waterproof adapter passes through the adapter slot and is connected to the PCB board.

[0013] As a further solution of the utility model: a groove 2 protruding outward is provided at the end of the adapter installation groove 1, and an anti-foolproofing protrusion corresponding to the groove 2 is provided on the waterproof adapter, wherein the anti-foolproofing protrusion is connected to the groove 2.

[0014] As a further solution of the utility model: an indicator arrow is also provided on the side of the rear shell facing the waterproof adapter.

[0015] As a further solution of the utility model: it also includes a positioning base plate installed on the side of the rear shell facing away from the front shell, wherein the positioning base plate and the rear shell are detachably connected by screws.

[0016] As a further solution of the utility model: the positioning base plate is provided with two limiting holes connected to the rear shell, and two adapter installation grooves for positioning the waterproof adapter.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. This application realizes a rigid fixed connection between the circuit board and the front housing by a simple screw connection, which greatly reduces the vibration frequency of the circuit board, with excellent performance, minimalist design and extremely low cost: using single-board design + metal housing + laser welding + waterproof adapter, the module production process is reduced, the process is more stable, and the process is extremely simplified;

[0019] 2. The welding of the front and rear shell materials of this application, AL1050 aluminum alloy, can bring the advantages of high welding speed, high-quality welds, highly automated and flexible production. It is also conducive to the integration of the lens and the shell, reducing assembly screws, simplifying the structure, and having obvious cost advantages;

[0020] 3. The laser welding of the camera housing in this application has the advantages of good welding stability, high appearance cleanliness, structural optimization, welding quality monitoring and high degree of automation, which is of great significance for improving the quality and production efficiency of the camera housing; it has significant advantages in improving the air tightness and waterproofness of the camera housing, and can ensure that the camera can operate stably in various environments and extend its service life.

[0021] 4. The design of the waterproof adapter enables it to fit tightly to the camera interface and form a waterproof barrier around the interface. This barrier can effectively prevent moisture from penetrating into the camera through the interface, thereby avoiding damage to the camera or affecting its normal operation; in addition, the waterproof adapter can also provide additional mechanical support and protection, enhancing the durability of the camera interface. They are usually made of durable materials such as metal or plastic, which can withstand certain external pressure and impact, and are particularly suitable for use in outdoor or humid environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural schematic diagram of a single-board camera module according to an embodiment of the utility model;

[0023] Figure 2 This is an exploded view of a single-board camera module according to an embodiment of the utility model;

[0024] Figure 3 This is an exploded view of another perspective of a single-board camera module according to an embodiment of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the front shell of an embodiment of the utility model;

[0026] Figure 5 This is a schematic diagram of the bottom structure of the front shell of the embodiment of the utility model;

[0027] Figure 6 For the utility model embodiment Figure 3 Bottom view of

[0028] Figure 7 For the utility model embodiment Figure 3 A top view of

[0029] Figure 8 This is a schematic diagram of the structure of a PCB board according to an embodiment of the utility model;

[0030] Fig. 9This is a top view of a PCB board according to an embodiment of the utility model;

[0031] Fig.10 This is a schematic diagram of the structure of the rear shell of an embodiment of the utility model;

[0032] Fig.11 This is a bottom view of the rear housing of the embodiment of the utility model;

[0033] Fig.12 This is a schematic diagram of the structure of the positioning base plate of an embodiment of the utility model;

[0034] Description of reference numerals:

[0035] 101. Lens;

[0036] 102. UV glue;

[0037] 103, front shell; 1031, positioning hole; 1032, clamping block; 1033, mounting hole 1; 1034, indicating arrow 1; 1035, foolproof boss;

[0038] 104, PCB board; 1041, anti-fool column; 1042, mounting hole 2; 1043, notch;

[0039] 105, cross recessed pan head screw one;

[0040] 106, rear housing; 1061, groove 1; 1062, adapter slot; 1063, adapter mounting slot 1; 1064, groove 2; 1065, limit hole 1; 1066, indicator arrow 2;

[0041] 107, Cross recessed pan head screws 2;

[0042] 108. Waterproof adapter;

[0043] 109, positioning base plate; 1091, adapter mounting slot 2; 1092, limiting hole 2. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0045] Reference Figure 1 , Figure 2 and Figure 3A single-board camera module includes a lens 101, UV glue 102, a front shell 103, a PCB board 104, a cross-slot pan head screw 105, a rear shell 106, a cross-slot pan head screw 107, a waterproof adapter 108 and a positioning base plate 109, wherein the lens 101 is mounted on the front side of the front shell 103; the rear shell 106 is mounted on the rear side of the front shell 103, and the two are laser welded; the PCB board 104 is mounted inside the front shell 103 and is limited and fixed by the rear shell 106; the positioning base plate 109 is also installed on the rear side of the rear shell 106, and the waterproof adapter 108 passes through the positioning base plate 109 and is installed on the rear shell 106.

[0046] For ease of understanding and description, Figure 3 The direction indicated by the middle arrow is the forward direction, and the other directions are based on this and are analogous. It should be understood that this direction setting is only for the convenience of description and understanding, and cannot be understood as a limitation of the present invention.

[0047] Reference Figure 1 , Figure 2 and Figure 3 , the lens 101 is bonded to the front side of the front shell 103 after being cured at high temperature by UV glue 102;

[0048] The single-board camera of this application adopts an 8M single-board camera. It should be noted that the camera of this application is not limited to cameras with 8M resolution, but can also be applied to cameras with other resolutions, such as 4M (4 million pixels) or 12M (12 million pixels). These cameras with different resolutions may have similar performance and application scenarios, and only differ in the number of pixels and imaging quality.

[0049] Reference Figure 4 , Figure 5 , Figure 6 and Figure 7 The front shell 103 is made of AL1050 aluminum alloy, and other materials that can improve the strength of the shell can also be used, which is not limited in the present application; a positioning hole 1031 and a mounting hole 1033 are provided inside the front shell 103, wherein the positioning hole 1031 and the mounting hole 1033 are both used to connect with the PCB board 104; a clamping block 1032 is also provided inside the front shell 103, and the clamping block 1032 is used to position with the PCB board 104; an indicator arrow 1034 is provided on the side of the front shell 103 facing the lens 101, and the indicator arrow 1034 is used to prompt the installation direction, and when the arrow points upward, the imaging is positive; an anti-foolproof boss 1035 is provided on the outer circle of the side of the front shell 103 facing the rear shell 106, and the anti-foolproof boss 1035 is used to limit the installation with the rear shell 106.

[0050] Reference Figure 8 and Fig. 9A foolproof post 1041 is provided on one side of the PCB board 104 facing the lens 101, wherein the position of the foolproof post 1041 corresponds to the position and size of the positioning hole 1031, and the two fit together during installation, thereby achieving stable and accurate connection between the PCB board 104 and the front shell 103;

[0051] Furthermore, a notch 1043 is provided on the PCB board 104 , wherein the position of the notch 1043 corresponds to the position and size of the block 1032 , and the block 1032 can be matched with the notch 1043 and locked therein, thereby achieving stable and precise connection between the PCB board 104 and the front shell 103 .

[0052] Furthermore, a second mounting hole 1042 is provided on the PCB board 104 and located on one side of the anti-fool column 1041, wherein the position of the second mounting hole 1042 corresponds to the position of the first mounting hole 1033, and the second mounting hole 1042 and the first mounting hole 1033 are threadedly connected by a cross-slot pan head screw 105 to achieve installation and fixation.

[0053] Reference Fig.10 and Fig.11 , the rear shell 106 is made of AL1050 aluminum alloy, and a groove 1061 is provided on the outer ring of the rear shell 106 facing the front shell 103, wherein the groove 1061 corresponds to the position of the anti-fool boss 1035, and the groove 1061 matches the anti-fool boss 1035 and is fixed together by laser welding. It should be noted that welding the front and rear shell materials AL1050 aluminum alloy can bring the benefits of high welding speed, high-quality welds, and highly automated and flexible production. It is also beneficial to integrate the lens and the shell, reduce assembly screws, greatly simplify the structure, and have obvious cost advantages. The laser welding of the camera shell has the advantages of good welding stability, high appearance cleanliness, optimized structure, welding quality monitoring and high degree of automation, which is of great significance to improving the quality and production efficiency of the camera shell. It has significant advantages in improving the airtightness and waterproofness of the camera shell, and can ensure that the camera can operate stably in various environments and extend its service life.

[0054] Furthermore, an adapter installation groove 1063 is provided on the side of the rear shell 106 facing the waterproof adapter 108, and the adapter installation groove 1063 is consistent in shape with the waterproof adapter 108, and the waterproof adapter 108 can be just stuck in the adapter installation groove 1063; the adapter installation groove 1063 and the waterproof adapter 108 are detachably connected by a cross-slot pan head screw 107; an adapter clamping groove 1062 is provided in the middle position of the adapter installation groove 1063, and the middle position of the waterproof adapter 108 is connected to the PCB board 104 through the adapter clamping groove 1062.

[0055] The end of the adapter installation groove 1063 is provided with a groove 2 1064 protruding outward, and the waterproof adapter 108 is provided with an anti-mistake bump corresponding to the groove 2 1064, wherein the anti-mistake bump is connected to the groove 2 1064. The side of the rear shell 106 facing the waterproof adapter 108 is also provided with an indication arrow 2 1066, which is used to indicate the installation direction, and when the arrow points upward, the image is positive.

[0056] It should be noted that the design of the waterproof adapter enables it to fit tightly to the camera interface and form a waterproof barrier around the interface. This barrier can effectively prevent moisture from penetrating into the camera through the interface, thereby avoiding damage to the camera or affecting its normal operation. In addition, waterproof adapters can also provide additional mechanical support and protection to enhance the durability of the camera interface. They are usually made of durable materials such as metal or plastic that can withstand certain external pressure and impact. They are particularly suitable for use in outdoor or humid environments.

[0057] Reference Fig.10 The positioning base plate 109 is installed on the side of the rear shell 106 facing away from the front shell 103, wherein the positioning base plate 109 and the rear shell 106 are detachably connected by screws, and the positioning base plate 109 is provided with a second limiting hole 1092 connected to the rear shell 106, and a second adapter installation groove 1091 for positioning the waterproof adapter 108.

[0058] The specific operating principles of this application are as follows:

[0059] First, assemble the anti-fool column 1041 of the PCB board 104 into the positioning hole 1031 of the front shell 103, and at the same time, the notch 1043 of the PCB board 104 is also matched with the anti-fool boss 1035 of the front shell 103, and then the connection and fixation of the mounting hole 1033 and the mounting hole 2 1042 are realized by the cross slot pan head screw 105, and the lens 101 is bonded to the front shell 103 after high-temperature curing by UV glue 102, and the installation of the front shell 103 and the rear shell 106 makes the groove 1061 coincide with the anti-fool boss 1035, and then fixed together by laser welding; the anti-fool bulge of the waterproof adapter 108 is installed by coinciding with the groove 2 1064 of the rear shell 106, and then the cross slot pan head screw 2 107 locks the waterproof adapter 108 on the camera. During the installation process, use the indicator arrow 1034 and the indicator arrow 2 1066 to install upward, and the imaging is positive.

[0060] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A single-board camera module, characterized in that: The invention comprises a front shell (103) and a lens (101) installed at a middle position of one end of the front shell (103); a PCB board (104) is installed inside the front shell (103); a rear shell (106) is installed at the other end of the front shell (103), wherein the rear shell (106) fastens the PCB board (104) inside the front shell (103); a waterproof adapter (108) is also installed at one end of the rear shell (106) facing away from the front shell (103), wherein one end of the waterproof adapter (108) passes through the rear shell (106) and is connected to the PCB board (104); The PCB board (104) is provided with an anti-fool column (1041) and a notch (1043) on one side facing the lens (101), and the interior of the front shell (103) is provided with a positioning hole (1031) corresponding to the anti-fool column (1041) and a clamping block (1032) corresponding to the notch (1043).

2. A single-board camera module according to claim 1, characterized in that: The PCB board (104) is also provided with a plurality of second mounting holes (1042) on a side facing the lens (101), and a first mounting hole (1033) is provided inside the front shell (103) at a position corresponding to the second mounting hole (1042), wherein the first mounting hole (1033) and the second mounting hole (1042) are detachably connected via a cross-slot pan head screw (105).

3. A single-board camera module according to claim 1, characterized in that: An anti-foolproof boss (1035) is provided on the outer ring of one side of the front shell (103) facing the rear shell (106), and a groove one (1061) corresponding to the anti-foolproof boss (1035) is provided on the side of the rear shell (106) facing the front shell (103), wherein the anti-foolproof boss (1035) is connected to the groove one (1061).

4. The single-board camera module according to claim 1, characterized in that: An indicating arrow 1 (1034) is provided on a side of the front shell (103) facing the lens (101).

5. The single-board camera module according to claim 1, characterized in that: The rear shell (106) is provided with an adapter installation groove (1063) on one side facing the waterproof adapter (108), wherein the adapter installation groove (1063) and the waterproof adapter (108) are detachably connected via a cross-slot pan head screw (107).

6. A single-board camera module according to claim 5, characterized in that: An adapter slot (1062) is provided at the middle position of the adapter installation slot 1 (1063), wherein the middle position of the waterproof adapter (108) passes through the adapter slot (1062) and is connected to the PCB board (104).

7. The single-board camera module according to claim 5, characterized in that: The end of the adapter installation groove 1 (1063) is provided with a groove 2 (1064) protruding outward, and the waterproof adapter (108) is provided with an anti-mistake protrusion corresponding to the groove 2 (1064), wherein the anti-mistake protrusion is connected to the groove 2 (1064).

8. The single-board camera module according to claim 5, characterized in that: A second indicating arrow (1066) is also provided on the side of the rear shell (106) facing the waterproof adapter (108).

9. The single-board camera module according to claim 1, characterized in that: It also includes a positioning base plate (109) installed on the side of the rear shell (106) facing away from the front shell (103), wherein the positioning base plate (109) and the rear shell (106) are detachably connected via screws.

10. A single-board camera module according to claim 9, characterized in that: The positioning base plate (109) is provided with a second limiting hole (1092) connected to the rear shell (106), and a second adapter installation groove (1091) for positioning the waterproof adapter (108).

Images