A 3D structured light camera component

Abstract

The utility model discloses a 3D structured light camera assembly, including a baffle plate, on which a plurality of first openings are provided; a metal seat fixedly connected to the lower end of the baffle plate, in which a plurality of second openings are provided, the first openings are vertically connected to the second openings, a camera module is detachably installed in the second opening, and the camera module is connected to an electrical connector; a pair of fixed connectors are relatively arranged on both sides of the bottom of the metal seat; a circuit board is arranged at the lower end of the pair of fixed connectors, and the upper end surface of the circuit board is provided with a plurality of connection sockets, and one end of the electrical connector away from the camera module is plugged into the connection socket; a metal bottom shell is arranged at the lower end of the circuit board, and the circuit board and the metal bottom shell are both detachably connected to the metal seat through a pair of fixed connectors. The utility model connects each camera module to the circuit board in a separate manner, thereby reducing production and maintenance costs.

Description

Technical Field

[0001] The utility model relates to the technical field of camera technology, in particular to a 3D structured light camera component. Background Art

[0002] 3D structured light camera components are sensor components used to obtain three-dimensional information, usually used to measure the depth, shape and texture of the surface of an object. 3D structured light camera components can be widely used in many fields, including industrial manufacturing, computer vision, augmented reality, virtual reality, medical imaging, etc. Through structured light camera components, it is possible to quickly and accurately obtain three-dimensional information of objects, providing basic data support for various applications.

[0003] 3D structured light camera components usually include the following main parts: light source, projector, camera and image processing chip, etc. At present, the 3D structured light camera components in the prior art usually connect the modules by soldering on the circuit board. This method has high requirements on the production process of the product, resulting in a low overall yield rate of the finished product. At the same time, when some modules in the 3D structured light camera component are damaged, they need to be repaired and replaced as a whole, which has a high repair cost. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a 3D structured light camera assembly for separately connecting each camera module to a circuit board, thereby reducing production and maintenance costs.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a 3D structured light camera assembly, comprising:

[0006] A baffle plate, wherein a plurality of first openings are formed on the baffle plate;

[0007] A metal seat, fixedly connected to the lower end of the baffle, a plurality of second openings are formed in the metal seat, the first openings are vertically connected to the second openings, a camera module is detachably installed in the second openings, and the camera module is connected to an electrical connector;

[0008] A pair of fixed connecting members are arranged oppositely on two sides of the bottom of the metal seat;

[0009] A circuit board is arranged at the lower end of the pair of fixed connectors, and a plurality of connection sockets are arranged on the upper end surface of the circuit board, and an end of the electrical connector away from the camera module is plugged into the connection sockets;

[0010] The metal bottom shell is arranged at the lower end of the circuit board, and the circuit board and the metal bottom shell are both detachably connected to the metal seat through a pair of fixed connectors.

[0011] Furthermore, the camera module includes a photosensitivity receiving module, an RGB module, a floodlight and a transmitting module.

[0012] Furthermore, the electrical connector is a flexible flat cable.

[0013] Further, the fixed connecting member includes a first connecting part, a second connecting part and at least one connecting sleeve, the first connecting part is fixedly connected to the second connecting part, the connecting sleeve is vertically fixed to the lower end of the second connecting part, the second connecting part is penetrated by a first threaded hole, the connecting sleeve is penetrated by a second threaded hole, the circuit board is penetrated by a third threaded hole, the lower end of the metal bottom shell is provided with a screw tube, the screw tube is penetrated by a fourth threaded hole, the first threaded hole, the second threaded hole, the third screw hole and the fourth screw hole are connected to each other and have the same aperture diameter, the first threaded hole, the second threaded hole, the third screw hole and the fourth screw hole are threadedly connected with a first bolt, the first connecting part is penetrated by a fifth threaded hole, a threaded groove is opened at the bottom of the metal seat, the fifth threaded hole and the threaded groove are connected to each other and have the same aperture diameter, and the fifth threaded hole and the threaded groove are threadedly connected with a second bolt.

[0014] Furthermore, an external socket is provided on the lower end surface of the circuit board, and an external electrical connector is plugged into the external socket.

[0015] Furthermore, a buffer structure is provided inside the metal bottom shell, and the buffer structure is provided between the lower end surface of the circuit board and the upper end of the inner wall of the bottom end of the metal bottom shell. The buffer structure includes a buffer plate made of a flexible material, and the shape of the buffer plate is a honeycomb mesh structure.

[0016] Furthermore, each honeycomb mesh of the buffer plate is filled with foam, and the pores of the foam are 0.5 mm.

[0017] Furthermore, it also includes a heat dissipation component, which includes a plurality of vertical fins and a heat dissipation plate. The heat dissipation plate is fixed to the upper end surface of the circuit board, and each of the vertical fins is vertically fixed on the heat dissipation plate. The vertical fins are parallel to each other and evenly spaced.

[0018] Furthermore, the heat dissipation assembly also includes a first fan and a second fan, and the lower ends of a pair of the first connecting parts respectively fix the first fan and the second fan, the air outlet directions of the first fan and the second fan are consistent, the air outlet of the first fan faces each of the vertical fins, and the air inlet of the second fan faces each of the vertical fins.

[0019] Beneficial effects of the utility model:

[0020] The utility model adopts a split design of multiple camera modules and circuit boards, and realizes detachable connection between multiple camera modules and circuit boards through electrical connectors, which not only reduces the difficulty and cost of the production process of the circuit boards, but also allows quick and independent disassembly of any camera module when a failure occurs, so as to eliminate the failure without removing the entire circuit board for inspection, thereby reducing the difficulty and cost of later fault repairs.

[0021] In addition, the utility model improves the heat dissipation performance of the camera modules by detachably installing multiple camera modules in the second opening of the metal seat, and utilizes the thermal conductivity of the metal seat to achieve external protection and effective support for each camera module. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the 3D structured light camera assembly in the utility model;

[0023] Figure 2 It is a schematic diagram of the internal structure of the 3D structured light camera assembly in the utility model;

[0024] Figure 3 It is a structural schematic diagram of the buffer structure in the utility model;

[0025] Figure 4 It is a structural schematic diagram of the heat dissipation component in the utility model.

[0026] Figure numerals: 1. baffle; 2. metal seat; 3. fixed connector; 31. first connecting part; 32. second connecting part; 33. connecting sleeve; 4. circuit board; 5. metal bottom shell; 6. camera module; 7. connecting socket; 8. external socket; 9. external connector; 10. buffer structure; 101. buffer plate; 11. heat dissipation assembly; 111. vertical fins; 112. heat dissipation plate; 113. first fan; 114. second fan; 12. electrical connector. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The same parts are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "bottom surface" and "top surface", "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0028] Example 1, reference Figure 1 to Figure 2 , which is the first embodiment of the present invention, provides a 3D structured light camera assembly, which can realize the split connection of each camera module 6 to the circuit board 4, reducing the production and maintenance costs, including:

[0029] A baffle plate 1, wherein a plurality of first openings are formed on the baffle plate 1;

[0030] The metal seat 2 is fixedly connected to the lower end of the baffle 1. A plurality of second openings are formed in the metal seat 2. The first openings are vertically connected to the second openings. A camera module 6 is detachably installed in the second openings. The camera module 6 is connected to an electrical connector 12.

[0031] A pair of fixed connecting members 3 are arranged oppositely on two sides of the bottom of the metal base 2;

[0032] The circuit board 4 is arranged at the lower end of the pair of fixed connectors 3. The upper end surface of the circuit board 4 is provided with a plurality of connection sockets 7. The end of the electrical connector 12 away from the camera module 6 is plugged into the connection socket 7.

[0033] The metal bottom shell 5 is arranged at the lower end of the circuit board 4 . The circuit board 4 and the metal bottom shell 5 are both detachably connected to the metal seat 2 via a pair of fixed connectors 3 .

[0034] Specifically, in this embodiment, the baffle 1 can be made of acrylic, and the metal bottom shell 5 is used to effectively protect the bottom of the circuit board 4, while also utilizing the thermal conductivity of the metal to improve the heat dissipation effect of the circuit board 4.

[0035] Preferably, the camera module 6 includes a photosensitivity receiving module, an RGB module, a floodlight and a transmitting module.

[0036] Specifically, in this embodiment, the main parameters of the photosensitive receiving module include: the photosensitive chip model is OV9282, the chip size is 1 / 4 inch, the digital circuit voltage is 1.2V, the interface circuit voltage is 1.8V, the analog circuit voltage is 2.8V, the lens is an integrated 940nm lens, the lens focal length is 2.77mm, the aperture value is, the distortion is less than 1.72%, the focus range is 33cm, and the field of view angle is 79.1°. The main parameters of the transmitting module include: the Vcsel material number is ZHVCSEL-14801410w0940 V1, the lens focal length is mm, the aperture value is, the distortion is less than -0.24%, the focus range is 33cm, and the field of view angle is 84.9°. The main parameters of the RGB module include: the photosensitive chip model is OV88561 / 4, the chip size is 1 / 4 inch, the digital circuit voltage is 1.2V, the interface circuit voltage is 1.8V, the analog circuit voltage is 2.8V, the lens focal length is 2.48mm, the aperture value is, the distortion is less than 1.5%, and the field of view angle is 84°.

[0037] Preferably, the electrical connector 12 is a flexible flat cable.

[0038] Specifically, in this embodiment, by using a flexible flat cable as the electrical connector 12 , a flexible connection in a narrow space can be achieved.

[0039] Preferably, the fixed connecting member 3 includes a first connecting portion 31, a second connecting portion 32 and at least one connecting sleeve 33, the first connecting portion 31 is fixedly connected to the second connecting portion 32, the connecting sleeve 33 is vertically fixed to the lower end of the second connecting portion 32, the second connecting portion 32 is penetrated by a first threaded hole, the connecting sleeve 33 is penetrated by a second threaded hole, the circuit board 4 is penetrated by a third threaded hole, a screw pipe is provided at the lower end of the metal bottom shell 5, the screw pipe is penetrated by a fourth threaded hole, the first threaded hole, the second threaded hole, the third screw hole and the fourth screw hole are interconnected and have the same aperture diameter, the first threaded hole, the second threaded hole, the third screw hole and the fourth screw hole are threadedly connected with the first bolt, the first connecting portion 31 is penetrated by a fifth threaded hole, a threaded groove is opened at the bottom of the metal seat 2, the fifth threaded hole and the threaded groove are interconnected and have the same aperture diameter, and the fifth threaded hole and the threaded groove are threadedly connected with the second bolt.

[0040] Specifically, in this embodiment, the first bolt is used to achieve a threaded connection between the fixed connector 3 , the circuit board 4 , and the metal bottom shell 5 , and the second bolt is used to achieve a threaded connection between the fixed connector 3 and the metal seat 2 .

[0041] Preferably, an external socket 8 is provided on the lower end surface of the circuit board 4 , and an external electrical connector 12 is plugged into the external socket 8 .

[0042] Specifically, in this embodiment, by providing an external socket 8 and an external connector 9, connection with the outside is facilitated.

[0043] Working principle of embodiment 1: When each camera module 6 needs to be installed or detachably connected with the circuit board 4, first unscrew the first bolt from the first threaded hole, the second threaded hole, the third screw hole and the fourth screw hole to separate the fixed connector 3 from the circuit board 4, then remove the flexible flat cable from the connection socket 7 on the circuit board 4, and then take out the camera module 6 from the second opening to achieve rapid disassembly between each camera module 6 and the circuit board 4. After disassembly, install the new camera module 6 in the second opening, and then align the fixed connector 3 with the circuit board 4 and the metal seat 2, and then extend the first bolt into the first threaded hole, the second threaded hole, the third screw hole and the fourth screw hole to tighten and fix them, so as to achieve rapid installation between each camera module 6 and the circuit board 4.

[0044] The technical solution adopts a split design for multiple camera modules 6 and the circuit board 4, and realizes a detachable connection between the multiple camera modules 6 and the circuit board 4 through the electrical connector 12, which not only reduces the difficulty and cost of the production process of the circuit board 4, but also allows the camera modules 6 to be quickly disassembled separately when a failure occurs, so as to eliminate the failure without removing the circuit board 4 as a whole for maintenance, thereby reducing the difficulty and cost of later failure maintenance;

[0045] In addition, the present technical solution improves the heat dissipation performance of the camera module 6 by detachably installing multiple camera modules 6 in the second opening of the metal seat 2, and utilizes the thermal conductivity of the metal seat 2, and utilizes the high hardness of the metal seat 2 to achieve external protection and effective support for each camera module 6.

[0046] Example 2, reference Figure 3 , which is the second embodiment of the present invention. Different from the previous embodiment, this embodiment provides a buffer structure 10, which can reduce the impact on the circuit board 4 and each camera module 6, wherein a buffer structure 10 is arranged inside the metal bottom shell 5, and the buffer structure 10 is arranged between the lower end surface of the circuit board 4 and the upper end of the inner wall of the bottom end of the metal bottom shell 5. The buffer structure 10 includes a buffer plate 101 made of a flexible material, and the shape of the buffer plate 101 is a honeycomb mesh structure.

[0047] Specifically, in the present embodiment, the buffer plate 101 is made of a rubber material. The buffer plate 101 made of a honeycomb mesh structure has a certain structural strength and can achieve both supporting and buffering performances.

[0048] Preferably, each honeycomb mesh of the buffer plate 101 is filled with foam, and the pores of the foam are 0.5 mm.

[0049] Specifically, in this embodiment, by providing foam and limiting the pores of the foam, the buffering performance inside the buffer plate 101 is further improved.

[0050] Working principle of embodiment 2:

[0051] When the circuit board 4 is impacted, the flexible buffer plate 101 made of the honeycomb mesh structure is deformed to initially buffer the impact; then when the impact is transmitted to the foam inside the buffer plate 101, the characteristics of the foam are used to further buffer the impact. This embodiment significantly improves the impact on the circuit board 4 and each camera module 6 by providing a double buffer structure 10.

[0052] Example 3, reference Figure 4 , which is the third embodiment of the present invention, and is different from the previous embodiment in that:

[0053] This embodiment provides a heat dissipation assembly 11, which can improve the heat dissipation performance of each camera module 6.

[0054] It also includes a heat dissipation component 11, which includes a plurality of vertical fins 111 and a heat dissipation plate 112. The heat dissipation plate 112 is fixed to the upper end surface of the circuit board 4, and each vertical fin 111 is vertically fixed on the heat dissipation plate 112. The vertical fins 111 are parallel to each other and evenly spaced.

[0055] Specifically, in this embodiment, by applying thermal conductive gel between the heat sink 112 and the metal seat 2, the heat of each camera module 6 on the metal seat 2 is transferred to the heat sink 112 and the heat sink fins, and then the vertical fins 111 are used to dissipate the temperature into the air, thereby achieving effective heat dissipation of each camera module 6.

[0056] Preferably, the heat dissipation assembly 11 also includes a first fan 113 and a second fan 114. The lower ends of a pair of first connecting parts 31 respectively fix the first fan 113 and the second fan 114. The air outlet directions of the first fan 113 and the second fan 114 are consistent. The air outlet of the first fan 113 faces each vertical fin 111, and the air inlet of the second fan 114 faces each vertical fin 111.

[0057] Working principle of embodiment 3:

[0058] A number of vertical fins 111 and heat sinks 112 cooperate to divide the space between the circuit board 4 and the metal seat 2 into a number of gas flow channels. The first fan 113 discharges cold air from the outside air into each gas flow channel, and the second fan 114 discharges hot air from each gas flow channel, further improving the heat dissipation effect on each camera module 6.

[0059] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A 3D structured light camera assembly, characterized in that: include: A baffle (1), wherein a plurality of first openings are formed on the baffle (1); A metal seat (2) is fixedly connected to the lower end of the baffle (1), a plurality of second openings are provided in the metal seat (2), the first openings are vertically connected to the second openings, a camera module (6) is detachably installed in the second openings, and the camera module (6) is connected to an electrical connector (12); A pair of fixed connecting members (3) are arranged oppositely on two sides of the bottom of the metal seat (2); A circuit board (4) is arranged at the lower ends of the pair of fixed connectors (3); a plurality of connection sockets (7) are arranged on the upper end surface of the circuit board (4); and an end of the electrical connector (12) away from the camera module (6) is plugged into the connection socket (7); The metal bottom shell (5) is arranged at the lower end of the circuit board (4), and the circuit board (4) and the metal bottom shell (5) are both detachably connected to the metal seat (2) via a pair of fixed connecting parts (3).

2. The 3D structured light camera assembly according to claim 1, characterized in that: The camera module (6) comprises a light-sensing receiving module, an RGB module, a floodlight and a transmitting module.

3. The 3D structured light camera assembly according to claim 1, characterized in that: The electrical connection piece (12) is a flexible flat cable.

4. The 3D structured light camera assembly according to claim 1, characterized in that: The fixed connection member (3) comprises a first connection part (31), a second connection part (32) and at least one connection sleeve (33); the first connection part (31) is fixedly connected to the second connection part (32); the connection sleeve (33) is vertically fixed to the lower end of the second connection part (32); the second connection part (32) is provided with a first threaded hole, the connection sleeve (33) is provided with a second threaded hole, the circuit board (4) is provided with a third threaded hole, a screw pipe is provided at the lower end of the metal bottom shell (5), the screw pipe is provided with a fourth threaded hole, the first threaded hole, the second threaded hole, the third threaded hole and the fourth threaded hole are connected to each other and have the same hole diameter, the first threaded hole, the second threaded hole, the third threaded hole and the fourth threaded hole are threadedly connected with a first bolt, the first connection part (31) is provided with a fifth threaded hole, a threaded groove is provided at the bottom of the metal seat (2), the fifth threaded hole is connected to the threaded groove and has the same hole diameter, and the fifth threaded hole is threadedly connected with the threaded groove.

5. The 3D structured light camera assembly according to claim 1, characterized in that: An external socket (8) is provided on the lower end surface of the circuit board (4), and an external electrical connector (12) is plugged into the external socket (8).

6. The 3D structured light camera assembly according to claim 5, characterized in that: A buffer structure (10) is provided inside the metal bottom shell (5), and the buffer structure (10) is provided between the lower end surface of the circuit board (4) and the upper end of the inner wall at the bottom end of the metal bottom shell (5), and the buffer structure (10) comprises a buffer plate (101) made of a flexible material, and the shape of the buffer plate (101) is a honeycomb mesh structure.

7. The 3D structured light camera assembly according to claim 6, characterized in that: Each honeycomb mesh of the buffer plate (101) is filled with foam, and the pore size of the foam is 0.5 mm.

8. The 3D structured light camera assembly according to claim 4, characterized in that: It also comprises a heat dissipation component (11), the heat dissipation component (11) comprising a plurality of vertical fins (111) and a heat dissipation plate (112), the heat dissipation plate (112) being fixed to the upper end surface of the circuit board (4), each of the vertical fins (111) being vertically fixed to the heat dissipation plate (112), and each of the vertical fins (111) being parallel to each other and evenly spaced.

9. The 3D structured light camera assembly according to claim 8, characterized in that: The heat dissipation assembly (11) further comprises a first fan (113) and a second fan (114); the first fan (113) and the second fan (114) are respectively fixed at the lower ends of a pair of the first connecting parts (31); the air outlet directions of the first fan (113) and the second fan (114) are consistent; the air outlet of the first fan (113) faces each of the vertical fins (111); and the air inlet of the second fan (114) faces each of the vertical fins (111).

Images