High-strength cantilever beam trinocular camera

Abstract

The utility model relates to the technical field of trinocular cameras, in particular to a high-strength cantilever beam trinocular camera, which comprises a first camera, a second camera, a third camera, a front shell and a rear shell, the first camera, the second camera and the third camera are fixed on the front shell, and parallel angles among optical axes of the first camera, the second camera and the third camera are smaller than a preset value; a cavity is formed between the front shell and the rear shell, the first camera, the second camera and the third camera are coupled with a PCB assembly in the cavity, and the PCB assembly is fixedly connected with the front shell. The first camera, the second camera and the third camera share the front shell to form a combined integrated design, so that the structure of a lens mount in the prior art is omitted, the light weight of a product is facilitated, and the parallel angle of the optical axes between the adjacent camera modules is improved.

Description

Technical Field

[0001] This utility model relates to the field of tri-lens camera technology, and in particular to a high-strength cantilever beam tri-lens camera. Background Technology

[0002] As an advanced visual perception device, the trinocular camera is designed based on simulating the structure and working mechanism of the human eye. It aims to accurately acquire depth information and stereoscopic perception in three-dimensional scenes through its unique depth sensing capabilities. Compared to traditional monocular cameras, trinocular cameras exhibit significant advantages, especially in complex environments such as changing lighting, shadow interference, and reflections, where their stability and adaptability are more prominent. This camera module can be flexibly configured with parameters such as viewing angle and focal length according to actual needs, providing broad application prospects in multiple fields such as measurement, positioning, navigation, and recognition. However, despite the numerous theoretical advantages of trinocular cameras, a series of technical challenges remain in practical applications.

[0003] Existing trinocular cameras are mostly mounted on lens mounts, which have relatively low stability. This leads to significant tolerance fluctuations during the assembly process, and the parallel angle of the optical axes of adjacent camera modules is not high enough. This not only restricts the improvement of product quality but also easily causes insufficient matching in the algorithm during image fusion. This insufficient matching directly affects the accuracy and reliability of key functions such as 3D reconstruction and ranging.

[0004] Furthermore, the lens mount occupies the installation space between the front and rear housings, resulting in a larger overall structural size, which is not conducive to product lightweighting.

[0005] Therefore, overcoming the shortcomings of the existing technology is an urgent problem to be solved in this technical field. Utility Model Content

[0006] The technical problems to be solved by this utility model are: the relatively low stability of the base structure for mounting the tri-lens camera, resulting in a low parallel angle of the optical axes of adjacent camera modules and insufficient matching degree of the algorithm during image fusion; and the large size of existing tri-lens cameras, which is not conducive to product lightweighting.

[0007] The present invention adopts the following technical solution:

[0008] On one hand, a high-strength cantilever beam tri-lens camera includes: a first camera 1, a second camera 2, a third camera 3, a front housing 4, and a rear housing 5; the first camera 1, the second camera 2, and the third camera 3 are fixed on the front housing 4, and the parallel angle between the optical axes of the first camera 1, the second camera 2, and the third camera 3 is less than a preset value;

[0009] A cavity is formed between the front housing 4 and the rear housing 5. The first camera 1, the second camera 2 and the third camera 3 are coupled to the PCB assembly 6 inside the cavity. The PCB assembly 6 is fixedly connected to the front housing 4.

[0010] Preferably, the front housing 4 is provided with a first mounting hole 40, a second mounting hole 41 and a third mounting hole 42, and the first camera 1, the second camera 2 and the third camera 3 are respectively bonded and disposed in the corresponding first mounting hole 40, second mounting hole 41 and third mounting hole 42.

[0011] Preferably, a first adhesive layer 100 is provided between the first camera 1 and the first mounting hole 40; a second adhesive layer 200 is provided between the second camera 2 and the second mounting hole 41; and a third adhesive layer 300 is provided between the third camera 3 and the second mounting hole 41.

[0012] Preferably, the first camera 1 is provided with a first fixing ring 10, the second camera 2 is provided with a second fixing ring 20, and the third camera 3 is provided with a third fixing ring 30; the first mounting hole 40 is provided with a first mounting ring surface 400, the second mounting hole 41 is provided with a second mounting ring surface 410, and the third mounting hole 42 is provided with a third mounting ring surface 420; the first mounting ring surface 400, the second mounting ring surface 410, and the third mounting ring surface 420 are parallel to each other;

[0013] The first fixing ring 10 is bonded to the first mounting ring surface 400 through the first adhesive layer 100, the second fixing ring 20 is bonded to the second mounting ring surface 410 through the second adhesive layer 200, and the third fixing ring 30 is bonded to the third mounting ring surface 420 through the third adhesive layer 300.

[0014] Preferably, the stability shrinkage ratio of the first adhesive layer 100, the second adhesive layer 200, and the third adhesive layer 300 is less than 10. -6 .

[0015] Preferably, the difference between the opening diameter of the first mounting hole 40 and the diameter of the first camera 1 is in the range of 0 to 0.4 mm;

[0016] The difference between the opening diameter of the second mounting hole 41 and the diameter of the second camera 2 is in the range of 0 to 0.4 mm;

[0017] The difference between the opening diameter of the third mounting hole 42 and the diameter of the third camera 3 is in the range of 0 to 0.4 mm.

[0018] Preferably, the front housing 4 has a first plane 43, a second plane 44, and a third plane 45 inside, and the PCB assembly 6 includes a first PCB 60, a second PCB 61, and a third PCB 62; the first PCB 60 is disposed corresponding to the first camera 1, the second PCB 61 is disposed corresponding to the second camera 2, and the third PCB 62 is disposed corresponding to the third camera 3; the first PCB 60 is fixedly disposed on the first plane 43, the second PCB 61 is disposed on the second plane 44, and the third PCB 62 is disposed on the third plane 45.

[0019] Preferably, the parallelism between the first plane 43, the second plane 44 and the third plane 45 is less than 0.05°.

[0020] Preferably, the surface of the front housing 4 is provided with a first heat dissipation fin 46, and the surface of the rear housing 5 is provided with a second heat dissipation fin 50;

[0021] A heat dissipation pad assembly 7 is provided between the PCB assembly 6 and the rear housing 5. The heat dissipation pad assembly 7 is fixed on the rear housing 5 and is used to cooperate with the first heat dissipation fin 46 and the second heat dissipation fin 50 to dissipate heat from the power consumption components on the PCB assembly 6.

[0022] Preferably, the parallel angle between the optical axes of the first camera 1, the second camera 2 and the third camera 3 is less than 0.2°.

[0023] Compared with the prior art, the beneficial effects of this utility model are as follows: Firstly, by directly fixing the first camera 1, the second camera 2 and the third camera 3 to the front housing 4, the first camera 1, the second camera 2 and the third camera 3 share the front housing 4 to form a joint integrated design, which eliminates the lens mount structure in the prior art, reduces the product volume and weight, and is conducive to the lightweighting of the product.

[0024] Secondly, the first camera 1, the second camera 2, and the third camera 3 share the front housing 4 for fixation, which helps to improve the key precision of mechanical assembly between the first camera 1, the second camera 2, and the third camera 3, and reduce tolerance fluctuations caused by the assembly steps; and based on the above structure, it helps to improve the parallel angle of the optical axis between adjacent camera modules, effectively improving the problem of insufficient image matching degree when the algorithm fuses images. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments of this utility model will be briefly described below. Obviously, the drawings described below are merely some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0026] Figure 1 This is a schematic diagram of the overall structure of a high-strength cantilever beam trinocular camera provided in this embodiment of the utility model;

[0027] Figure 2 This is an exploded view of a high-strength cantilever beam trinocular camera provided in an embodiment of this utility model;

[0028] Figure 3 This is a schematic diagram of a PCB assembly for a high-strength cantilever beam trinocular camera provided in an embodiment of this utility model;

[0029] Figure 4 This is a schematic diagram of the first heat dissipation fin of a high-strength cantilever beam trinocular camera provided in an embodiment of this utility model;

[0030] Figure 5 This is a schematic diagram of the second heat dissipation fin of a high-strength cantilever beam trinocular camera provided in an embodiment of this utility model;

[0031] Figure 6 This is a schematic diagram of a heat dissipation pad assembly for a high-strength cantilever beam trinocular camera provided in an embodiment of this utility model;

[0032] Figure 7 This is a schematic diagram of a heat dissipation boss for a high-strength cantilever beam trinocular camera provided in an embodiment of this utility model;

[0033] Figure 8 This is a schematic diagram of a wiring harness connector for a high-strength cantilever beam trinocular camera provided in an embodiment of this utility model.

[0034] The attached figures are labeled as follows:

[0035] 1-First camera, 10-First fixing ring, 100-First adhesive layer, 2-Second camera, 20-Second fixing ring, 200-Second adhesive layer, 3-Third camera, 30-Third fixing ring, 300-Third adhesive layer, 4-Front housing, 40-First mounting hole, 400-First mounting ring surface, 41-Second mounting hole, 410-Second mounting ring surface, 42-Third mounting hole, 420-Third mounting ring surface, 43-First plane, 44-Second plane, 45-Third plane, 46-First heat dissipation fin, 5-Rear housing, 50-Second heat dissipation fin, 51-First heat dissipation boss, 52-Second heat dissipation boss, 53-Third heat dissipation boss, 54-First wire harness connector, 55-Second wire harness connector, 56-Third wire harness connector, 6-PCB assembly, 60-First PCB, 61-Second PCB, 62-Third PCB, 7-Heat dissipation pad assembly. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0037] Unless the context otherwise requires, throughout the specification and claims, the term "comprising" is interpreted as openly inclusive, meaning "including, but not limited to." In the description of the specification, terms such as "one embodiment," "some embodiments," "exemplary embodiment," "example," "specific example," or "some examples" are intended to indicate that a particular feature, structure, material, or characteristic associated with that embodiment or example is included in at least one embodiment or example of this disclosure. The illustrative representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics mentioned may be included in any suitable manner in any one or more embodiments or examples; that is, although they may be incorporated into embodiments or examples using the above terms for reasons such as order and position, it does not limit them to be incorporated in combination by a single embodiment or example.

[0038] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0039] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this disclosure, unless otherwise stated, "a plurality of" means two or more. Furthermore, for example, the description may use the prefix "A" or "B" to describe the same type of nouns as two independent entities. In this case, the features defined with "A" and "B" are used only to distinguish between similar entities and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features.

[0040] In describing some embodiments, the terms "coupled," "coupled," and "connected," and their derivative expressions, may be used. For example, the term "connected" may be used in describing some embodiments to indicate that two or more components have direct physical or electrical contact with each other. Similarly, the term "coupled" may be used in describing some embodiments to indicate that two or more components have direct physical or electrical contact. However, the terms "connected" or "coupled" may also refer to two or more components that do not have direct contact with each other but still cooperate or interact with each other, such as "optical coupling" or "wireless connection." The embodiments disclosed herein are not necessarily limited to the scope of this invention.

[0041] In the description of this utility model, the expression "A and / or B" (where A and B are used to formally represent specific features) will be involved. The corresponding expression includes the following three combinations: only A, only B, and a combination of A and B.

[0042] As used in this invention, “about,” “approximately,” or “approximately” includes the stated value and the average value within an acceptable range of deviation from the specified value, wherein the acceptable range of deviation is determined by a person skilled in the art taking into account the measurement under discussion and the error associated with the measurement of the specified quantity (i.e., the limitations of the measurement system).

[0043] Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0044] Example 1:

[0045] Embodiment 1 of this utility model provides a high-strength cantilever beam tri-lens camera, such as Figure 1As shown, it includes: a first camera 1, a second camera 2, a third camera 3, a front housing 4, and a rear housing 5; the first camera 1, the second camera 2, and the third camera 3 are fixed to the front housing 4, and the parallel angle between the optical axes of the first camera 1, the second camera 2, and the third camera 3 is less than a preset value; as shown... Figure 1 and Figure 2 As shown, a cavity is formed between the front housing 4 and the rear housing 5. The first camera 1, the second camera 2 and the third camera 3 are coupled to the printed circuit board (PCB) assembly 6 in the cavity. The PCB assembly 6 is fixedly connected to the front housing 4.

[0046] The parallel angle between the optical axes of the first camera 1, the second camera 2, and the third camera 3 is less than 0.2°. The smaller the parallel angle, the higher the parallel angle between the optical axes of the first camera 1, the second camera 2, and the third camera 3. When the parallel angle is equal to 0, it means that the optical axes of the first camera 1, the second camera 2, and the third camera 3 are completely parallel.

[0047] Among them, the first camera 1, the second camera 2 and the third camera 3 can be directly fixed to the crossbeam of the front housing 4.

[0048] Firstly, by directly fixing the first camera 1, the second camera 2, and the third camera 3 to the front housing 4, the first camera 1, the second camera 2, and the third camera 3 share the front housing 4 to form a joint integrated design, eliminating the lens mount structure in the prior art, reducing the product size and weight, and contributing to the product's lightweight design.

[0049] Secondly, the first camera 1, the second camera 2, and the third camera 3 share the front housing 4 for fixation, which helps to improve the key precision of mechanical assembly between the first camera 1, the second camera 2, and the third camera 3, and reduce tolerance fluctuations caused by the assembly steps; and based on the above structure, it helps to improve the parallel angle of the optical axis between adjacent camera modules, effectively improving the problem of insufficient image matching degree when the algorithm fuses images.

[0050] like Figure 2 As shown, the front housing 4 has a first mounting hole 40, a second mounting hole 41 and a third mounting hole 42 on its crossbeam. The first camera 1, the second camera 2 and the third camera 3 are respectively bonded and installed in the corresponding first mounting hole 40, second mounting hole 41 and third mounting hole 42.

[0051] In practical applications, the operating environment of a tri-lens camera may range from a maximum temperature of 95 degrees Celsius to a minimum temperature of -40 degrees Celsius, or even be exposed to extreme temperature shocks. It is necessary to control the optical axis deviation caused by camera deformation under extreme temperature conditions to within a few micrometers. This micrometer-level deviation can be corrected to sub-micrometer or sub-pixel levels using a self-learning algorithm, for example, to 0.1 pixels. This ensures the accuracy of the tri-lens camera and clear imaging within its operating temperature range, laying a solid foundation for subsequent image fusion, focusing, and ranging. Therefore, to avoid excessive optical axis deviation caused by camera deformation under different operating environments, a first adhesive layer 100 is provided between the first camera 1 and the first mounting hole 40; a second adhesive layer 200 is provided between the second camera 2 and the second mounting hole 41; and a third adhesive layer 300 is provided between the third camera 3 and the second mounting hole 41. The first adhesive layer 100 is used to fix the first camera 1 to the front housing 4, the second adhesive layer 200 is used to fix the second camera 2 to the front housing 4, and the third adhesive layer 300 is used to fix the third camera 3 to the front housing 4. To reduce the impact of deformation of the first adhesive layer 100, the second adhesive layer 200, and the third adhesive layer 300 on the optical axis deviation of the trinocular camera in environments ranging from a maximum temperature of 95 degrees Celsius to a minimum temperature of -40 degrees Celsius, or in extreme thermal shock environments, the stability shrinkage ratio of the first adhesive layer 100, the second adhesive layer 200, and the third adhesive layer 300 is less than 10. -6 The first adhesive layer 100, the second adhesive layer 200, and the third adhesive layer 300 mentioned in the above scheme can be made of adhesive.

[0052] To ensure stable mounting of the first camera 1, the second camera 2, and the third camera 3 on the first mounting hole 40, the second mounting hole 41, and the third mounting hole 42, in one embodiment, a first fixing ring 10 is machined onto the first camera 1, a second fixing ring 20 is machined onto the second camera 2, and a third fixing ring 30 is machined onto the third camera 3; a first mounting ring surface 400 is provided on the first mounting hole 40, a second mounting ring surface 410 is provided on the second mounting hole 41, and a third mounting ring surface 420 is provided on the third mounting hole 42; the first mounting ring surface 400, the second mounting ring surface 410, and the third mounting ring surface 420 are parallel to each other; the first fixing ring 10 is bonded to the first mounting ring surface 400 by the first adhesive layer 100, the second fixing ring 20 is bonded to the second mounting ring surface 410 by the second adhesive layer 200, and the third fixing ring 30 is bonded to the third mounting ring surface 420 by the third adhesive layer 300. The first camera 1, the second camera 2, and the third camera 3 each include a columnar body, on which a fixing ring is correspondingly provided. A first mounting ring surface 400, a second mounting ring surface 410, and a third mounting ring surface 420 are arranged around their respective mounting holes, and the surfaces of the first mounting ring surface 400, the second mounting ring surface 410, and the third mounting ring surface 420 are flush with the top of their respective mounting holes. Figure 2 For example, the parts of the first camera 1, the second camera 2 and the third camera 3 located below the fixing ring are respectively embedded in the corresponding mounting holes, and the fixing ring is bonded to the corresponding mounting ring surface to achieve relative fixation between the lens and the front housing 4.

[0053] The first mounting annular surface 400, the second mounting annular surface 410, and the third mounting annular surface 420 are parallel to each other.

[0054] To ensure the installation accuracy of the first camera 1, the second camera 2, and the third camera 3, the difference between the opening diameter of the first mounting hole 40 and the diameter of the first camera 1 is 0–0.4 mm; the difference between the opening diameter of the second mounting hole 41 and the diameter of the second camera 2 is 0–0.4 mm; and the difference between the opening diameter of the third mounting hole 42 and the diameter of the third camera 3 is 0–0.4 mm. Specifically, when the difference is 0, the mounting hole and the camera fit together perfectly without any gaps; when the difference is 0.2 mm, the inner diameter of the mounting hole is 0.2 mm larger than the diameter of the camera; and when the difference is 0.4 mm, the inner diameter of the mounting hole is 0.4 mm larger than the diameter of the camera.

[0055] In the aforementioned scheme, the first camera 1, the second camera 2, and the third camera 3 are coupled to the PCB assembly 6 within the cavity, and the PCB assembly 6 is fixedly connected to the front housing 4. In one embodiment, specifically, it can be as follows: Figure 3 As shown, the front housing 4 has a first plane 43, a second plane 44, and a third plane 45 inside. The PCB assembly 6 includes a first PCB 60, a second PCB 61, and a third PCB 62. The first PCB 60 corresponds to the first camera 1, the second PCB 61 corresponds to the second camera 2, and the third PCB 62 corresponds to the third camera 3. The first PCB 60 is fixedly mounted on the first plane 43, the second PCB 61 is mounted on the second plane 44, and the third PCB 62 is mounted on the third plane 45. The parallelism between the first plane 43, the second plane 44, and the third plane 45 is less than 0.05°. By controlling the parallelism between the first plane 43, the second plane 44, and the third plane 45 to be less than 0.05°, the optical axis of the lens can be adjusted during the assembly process of the three-lens camera, further eliminating tolerance fluctuations caused by the assembly steps. This allows the optical axes of the three cameras to be adjusted to be essentially parallel, effectively alleviating the problem of insufficient image matching during image fusion.

[0056] From a structural design perspective, the product's baseline (center distance between the two lenses) determines its three-dimensional dimensions. The larger the baseline, the greater the structural stress deformation and the more difficult the structural design. In existing technologies, there are bases with heat dissipation supports for mounting tri-lens cameras, but the strength of the base itself cannot meet the stability requirements during use; or the structural strength is sufficient, but the product weight increases significantly, which does not meet the design specifications for lightweight and standardized products, and brings great difficulties to subsequent platformization.

[0057] Based on this, in order to balance the structural strength and heat dissipation performance of the front housing 4 where the first camera 1, the second camera 2, and the third camera 3 are installed, the embodiment adopts a scheme of setting heat dissipation fins on the surface of the front housing 4 and the rear housing 5. This can ensure the heat dissipation of the first camera 1, the second camera 2, and the third camera 3 and their corresponding first PCB 60, second PCB 61, and third PCB 62, while also controlling the overall weight of the structure to avoid being too heavy, as described in detail below.

[0058] When the tri-lens camera operates under extreme conditions, the main control boards of the first PCB60, second PCB61, and third PCB62 reach high temperatures. Therefore, in order to ensure the normal operation of the tri-lens camera, such as... Figure 4 and Figure 5 and Figure 6As shown, the surface of the front housing 4 is provided with a first heat dissipation fin 46, and the surface of the rear housing 5 is provided with a second heat dissipation fin 50. The first heat dissipation fin 46 and the second heat dissipation fin 50 are used to dissipate heat from the power-consuming components on the PCB assembly 6. A thermal pad assembly 7 is provided between the PCB assembly 6 and the rear housing 5. The thermal pad assembly 7 is fixed to the rear housing 5, and the thermal pad is used to cooperate with the first heat dissipation fin 46 and the second heat dissipation fin 50 to dissipate heat from the power-consuming components on the PCB assembly 6. The thermal pad assembly 7 includes a first thermal pad 70, a second thermal pad 71, and a third thermal pad 72. The first thermal pad 70 is correspondingly disposed to the first PCB 60, the second thermal pad 71 is correspondingly disposed to the second PCB 61, and the third thermal pad 72 is correspondingly disposed to the third PCB 62. Figure 7 As shown, the rear housing 5 is provided with a first heat dissipation protrusion 51, a second heat dissipation protrusion 52, and a third heat dissipation protrusion 53. The first heat dissipation pad 70 is fixedly disposed on the first heat dissipation protrusion 51, the second heat dissipation pad 71 is disposed on the second heat dissipation protrusion 52, and the third heat dissipation pad 72 is disposed on the third heat dissipation protrusion 53. The main control board of the first PCB 60, the second PCB 61, and the third PCB 62 has copper plating on both sides to achieve good heat dissipation of the main control board. Each of the first heat dissipation pad 70, the second heat dissipation pad 71, and the third heat dissipation pad 72 includes at least one heat dissipation pad; the specific number can be determined according to the actual situation. Figure 6 For example, the first heat dissipation pad 70, the second heat dissipation pad 71, and the third heat dissipation pad 72 each include three heat dissipation pads; the first heat dissipation boss 51, the second heat dissipation boss 52, and the third heat dissipation boss 53 each include at least one heat dissipation boss, the specific number of which can be determined according to the actual situation. Figure 7 For example, the first heat dissipation protrusion 51, the second heat dissipation protrusion 52, and the third heat dissipation protrusion 53 each include three heat dissipation protrusions. In actual use, a heat dissipation pad is installed on each heat dissipation protrusion.

[0059] In the above design, the front housing 4 incorporates a first heat dissipation fin 46 to dissipate heat from the main chip structure under extreme conditions. The first PCB 60, second PCB 61, and third PCB 62 are coated with copper on both sides. The rear housing 5 includes a first heat dissipation boss 51, a second heat dissipation boss 52, and a third heat dissipation boss 53. A first heat dissipation pad 70, a second heat dissipation pad 71, and a third heat dissipation pad 72 are respectively mounted on the first heat dissipation boss 51, the second heat dissipation boss 52, and the third heat dissipation boss 53. This method allows the heat generated by the first PCB 60, the second PCB 61, and the third PCB 62 to be dissipated to the outside through the heat dissipation pads, the heat dissipation bosses, and the second heat dissipation fin 50, thus solving the heat concentration problem.

[0060] Meanwhile, the first heat dissipation fin 46 is machined on the front housing 4 and the second heat dissipation fin 50 is machined on the rear housing 5, which also optimizes the strength and stability of the front housing 4 and the rear housing 5.

[0061] In this embodiment, as Figure 8 As shown, the rear housing 5 is also provided with a first wire harness connector 54, a second wire harness connector 55, and a third wire harness connector 56. The first wire harness connector 54 is correspondingly disposed with the first PCB 60 and is used to transmit image data of the first camera 1; the second wire harness connector 55 is correspondingly disposed with the second PCB 61 and is used to transmit image data of the second camera 2; the third wire harness connector 56 is correspondingly disposed with the third PCB 62 and is used to transmit image data of the third camera 3.

[0062] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high-strength cantilever beam trinocular camera, characterized in that, include: First camera (1), second camera (2), third camera (3), front housing (4) and rear housing (5); The first camera (1), the second camera (2) and the third camera (3) are fixed on the front housing (4), and the parallel angle between the optical axes of the first camera (1), the second camera (2) and the third camera (3) is less than a preset value; A cavity is formed between the front housing (4) and the rear housing (5). The first camera (1), the second camera (2) and the third camera (3) are coupled to the PCB assembly (6) in the cavity. The PCB assembly (6) is fixedly connected to the front housing (4).

2. The high-strength cantilever beam tri-lens camera according to claim 1, characterized in that, The front housing (4) is provided with a first mounting hole (40), a second mounting hole (41) and a third mounting hole (42), and the first camera (1), the second camera (2) and the third camera (3) are respectively bonded and disposed in the corresponding first mounting hole (40), second mounting hole (41) and third mounting hole (42).

3. The high-strength cantilever beam tri-lens camera according to claim 2, characterized in that, A first adhesive layer (100) is provided between the first camera (1) and the first mounting hole (40); a second adhesive layer (200) is provided between the second camera (2) and the second mounting hole (41); and a third adhesive layer (300) is provided between the third camera (3) and the second mounting hole (41).

4. The high-strength cantilever beam tri-lens camera according to claim 3, characterized in that, The first camera (1) is provided with a first fixing ring (10), the second camera (2) is provided with a second fixing ring (20), and the third camera (3) is provided with a third fixing ring (30); the first mounting hole (40) is provided with a first mounting ring surface (400), the second mounting hole (41) is provided with a second mounting ring surface (410), and the third mounting hole (42) is provided with a third mounting ring surface (420); the first mounting ring surface (400), the second mounting ring surface (410), and the third mounting ring surface (420) are parallel to each other; The first fixing ring (10) is bonded to the first mounting ring surface (400) through the first adhesive layer (100), the second fixing ring (20) is bonded to the second mounting ring surface (410) through the second adhesive layer (200), and the third fixing ring (30) is bonded to the third mounting ring surface (420) through the third adhesive layer (300).

5. The high-strength cantilever beam tri-lens camera according to claim 3, characterized in that, The stability shrinkage ratio of the first adhesive layer (100), the second adhesive layer (200), and the third adhesive layer (300) is less than 10. -6 .

6. The high-strength cantilever beam tri-lens camera according to claim 2, characterized in that, The difference between the opening diameter of the first mounting hole (40) and the diameter of the first camera (1) is in the range of 0 to 0.4 mm; The difference between the opening diameter of the second mounting hole (41) and the diameter of the second camera (2) is in the range of 0 to 0.4 mm; The difference between the opening diameter of the third mounting hole (42) and the diameter of the third camera (3) is in the range of 0 to 0.4 mm.

7. The high-strength cantilever beam trinocular camera according to claim 1, characterized in that, The front housing (4) has a first plane (43), a second plane (44) and a third plane (45) inside. The PCB assembly (6) includes a first PCB (60), a second PCB (61) and a third PCB (62). The first PCB (60) is set to the first camera (1), the second PCB (61) is set to the second camera (2), and the third PCB (62) is set to the third camera (3). The first PCB (60) is fixedly set on the first plane (43), the second PCB (61) is set on the second plane (44), and the third PCB (62) is set on the third plane (45).

8. The high-strength cantilever beam tri-lens camera according to claim 7, characterized in that, The parallelism between the first plane (43), the second plane (44) and the third plane (45) is less than 0.05°.

9. The high-strength cantilever beam trinocular camera according to any one of claims 1-8, characterized in that, The surface of the front housing (4) is provided with a first heat dissipation fin (46), and the surface of the rear housing (5) is provided with a second heat dissipation fin (50). A heat dissipation pad assembly (7) is provided between the PCB assembly (6) and the rear housing (5). The heat dissipation pad assembly (7) is fixed on the rear housing (5). The heat dissipation pad assembly (7) is used to cooperate with the first heat dissipation fin (46) and the second heat dissipation fin (50) to dissipate heat from the power consumption components on the PCB assembly (6).

10. The high-strength cantilever beam trinocular camera according to any one of claims 1-8, characterized in that, The parallel angle between the optical axes of the first camera (1), the second camera (2) and the third camera (3) is less than 0.2°.

Images