Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present application, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. It may be a mechanical connection that is made, or may be an electrical connection. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The following disclosure provides many different embodiments, or examples, for implementing different features of the application. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the application.
Referring to fig. 1 to 5, the present application provides a vehicle-mounted multi-view assembly 100, wherein the vehicle-mounted multi-view assembly 100 includes a bracket 10, a first circuit board 21, a second circuit board 22, a first lens 31 and a second lens 32, the first circuit board 21 is fixed on the bracket 10, the first circuit board 21 is provided with a first image sensor 41, the second circuit board 22 is fixed on the bracket 10, the second circuit board 22 is provided with a second image sensor 42, the first lens 31 is fixed on the bracket 10, the first lens 31 is aligned with the first image sensor 41, the second lens 32 is fixed on the bracket 10, the second lens 32 is aligned with the second image sensor 42, wherein the first lens 31, the first circuit board 21 and the first image sensor 41 can form a first shooting assembly, the second lens 32, the second circuit board 22 and the second image sensor 42 can form a second shooting assembly, the first shooting assembly and the second shooting assembly have a first observation range overlapping with the second shooting assembly, and the first shooting assembly and the second shooting assembly are used for measuring a distance to an object within the first observation range.
Referring to fig. 6, an assembling method of the embodiment of the present application is used for assembling a vehicle-mounted multi-view assembly 100, wherein the vehicle-mounted multi-view assembly 100 includes a bracket 10, a first circuit board 21, a second circuit board 22, a first lens 31 and a second lens 32, the first circuit board 21 is provided with a first image sensor 41, the second circuit board 22 is provided with a second image sensor 42, and the assembling method includes:
001, fixing the first circuit board 21 on the bracket 10;
002, fixing the second circuit board 22 on the bracket 10;
003, fixing the first lens 31 on the bracket 10, the first lens 31 being aligned with the first image sensor 41;
004, fixing the second lens 32 on the bracket 10, the second lens 32 being aligned with the second image sensor 42;
The first lens 31, the first circuit board 21, and the first image sensor 41 can form a first shooting component, the second lens 32, the second circuit board 22, and the second image sensor 42 can form a second shooting component, the first shooting component and the second shooting component have a first overlapping observation range, and the first shooting component and the second shooting component are used for measuring a distance between a scene object in the first observation range and the second shooting component.
The whole rectangle that is of support 10, support 10 upper side limit form a plurality of location structure, and support 10 can be installed in other positions through a plurality of location structure, specifically can adopt bolted connection, riveting, gluey etc. connected mode.
The first circuit board 21 and the second circuit board 22 are fixed at a certain distance on the support 10 at a left-right symmetrical position, the first image sensor 41 and the second image sensor 42 are respectively arranged on the first circuit board 21 and the second circuit board 22, the first lens 31 and the second lens 32 are in a cylinder shape and are respectively aligned with the first image sensor 41 and the second image sensor 42, the first image sensor 41 and the second image sensor 42 can receive images acquired by the first lens 31 and the second lens 32, and the information such as vehicle speed, IMU and the like is fused to be matched with the operation functions of the first circuit board 21 and the second circuit board 22 to realize a perception scheme based on binocular vision.
The first lens 31, the first circuit board 21, the first image sensor 41 form a first shooting component, the second lens 32, the second circuit board 22 and the second image sensor 42 form a second shooting component, and since the first lens 31 and the second lens 32 face the same direction and are separated by a certain distance, and the angles of view of the lenses are the same, the ranges of the first lens 31 and the second lens 32 for collecting images are partially overlapped, the weighing overlapping part is a first observation range, and the first shooting component and the second shooting component are used for measuring the distance between a scene object in the first observation range and the second shooting component.
In one embodiment, the first photographing component and the second photographing component may adopt a short-focus module camera or a long-focus module camera, and the arrangement manner of the first photographing component and the second photographing component on the bracket 10 is not fixed. When the first shooting component and the second shooting component both adopt short-focus module cameras, the overlapped first observation range is in a fat triangle shape extending along the width direction of the vehicle 1000, so that a near view field and an accurate near view distance can be obtained. And when the first shooting component and the second shooting component both adopt the long-focus module camera, the overlapped second observation range is in a slender triangle shape extending along the length direction of the vehicle 1000, so that the long-range view and the accurate long-range distance can be obtained.
It should be noted that, the first shooting component and the second shooting component may also be a combination of a wide-angle module camera, a close-range module camera, a middle-range module camera and a far-range module camera, that is, a wide-angle video and an image are shot by the wide-angle module camera, so that a wide range of scenes can be seen, while the close-range module camera focuses on shooting images and videos of a relatively close area (such as a range of 10 meters) of the vehicle 1000, the middle-range module camera is slightly far from the close-range camera, such as a scene with a distance of 10-50 meters from the vehicle 1000, and the far-range module camera is far, such as a scene with a distance of 50 meters. In general, the first photographing assembly and the second photographing assembly of the present application are not limited to only the combination of the short-focus module camera and the long-focus module camera.
The number of the first photographing assembly and the second photographing assembly is not limited, and the distance between the scene object and the vehicle 1000 in the measurement observation range can be calculated through the overlapping area of the first photographing assembly and the second photographing assembly, so as to improve the measurement accuracy.
In this way, the first circuit board 21, the second circuit board 22, the first lens 31 and the second lens 32 are directly fixed on the bracket 10, so that the vehicle-mounted multi-view assembly 100 has a simple structure, and the position deviation of the binocular camera formed by the first image sensor 41, the first lens 31, the second image sensor 42 and the second lens 32 is small, so that the ranging accuracy of the binocular camera can be improved.
In some embodiments of the present application, the bracket 10 is provided with a first mounting portion 11 and a second mounting portion 12, the first mounting portion 11 is used for mounting the first circuit board 21, and the second mounting portion 12 is used for mounting the second circuit board 22.
Referring to fig. 1 to 7, in some embodiments of the present application, step 001 includes:
0011, mounting the first circuit board 21 to the first mounting portion 11;
step 002 comprises:
0021, the second circuit board 22 is mounted to the second mounting portion 12.
Specifically, the bracket 10 is provided with a first mounting portion 11 and a second mounting portion 12.
The first mounting portion 11 and the second mounting portion 12 are located at left and right sides of the bracket 10, respectively, the first mounting portion 11 and the second mounting portion 12 may be formed with screw holes, and the first circuit board 21 and the second circuit board 22 may be mounted to the first mounting portion 11 and the second mounting portion 12 using bolting.
Wherein the first mounting portion 11 is provided with a first circuit board 21 and the second mounting portion 12 is provided with a second circuit board 22.
The first mounting portion 11 and the second mounting portion 12 are symmetrically disposed on the bracket 10, and the first circuit board 21 located at the first mounting portion 11 and the second circuit board 22 located at the second mounting portion 12 are symmetrically disposed on the bracket 10.
In some embodiments of the present application, the first mounting portion 11 is provided with a first receiving groove 111, and/or the second mounting portion 12 is provided with a second receiving groove 121, the first circuit board 21 is disposed in the first receiving groove 111, and the second circuit board 22 is disposed in the second receiving groove 121.
Referring to fig. 8, in some embodiments of the present application, the first mounting portion 11 is provided with a first accommodating groove 111, and/or the second mounting portion 12 is provided with a second accommodating groove 121, and step 0011 includes:
00111, disposing the first circuit board 21 in the first accommodation groove 111;
Step 0021 includes:
00211, the second circuit board 22 is disposed in the second receiving groove 121.
The first and second receiving grooves 111 and 121 are two grooves formed in the first and second mounting portions 11 and 12, and have a thickness matching the thickness of the circuit board, and may be formed with a buckle, a limiting portion, and other structures to fix the circuit board, and the first and second circuit boards 21 and 22 are disposed in the first and second receiving grooves 111 and 121.
Referring to fig. 1 and 9, in some embodiments of the present application, a first through hole 131 and a second through hole 132 are further formed in the bracket 10, the first through hole 131 is communicated with the first accommodating groove 111, the second through hole 132 is communicated with the second accommodating groove 121, at least a portion of the first lens 31 extends into the first through hole 131, and at least a portion of the second lens 32 extends into the second through hole 132.
In some embodiments of the present application, the bracket 10 is further provided with a first through hole 131 and a second through hole 132, where the first through hole 131 is communicated with the first receiving groove 111, and the second through hole 132 is communicated with the second receiving groove 121, and the step 003 includes:
0031 extending at least part of the first lens 31 into the first through hole 131;
step 004 comprises:
0041, extending at least a portion of the second lens 32 into the second through-hole 132.
The first through hole 131 is formed on the bracket 10 at a position aligned with the first image sensor 41, and the first lens 31 extends into the first through hole 131 to be aligned with the first image sensor 41. The first lens 31 extends into the first through hole 131, and the connection part between the first lens 31 and the first through hole 131 can use two-component glue and adopt an AA process to fix the first lens 31.
The second through hole 132 is formed on the bracket 10 at a position aligned with the second image sensor 42, and the second lens 32 extends into the second through hole 132 to be aligned with the second image sensor 42. The second lens 32 extends into the second through hole 132, and the connection part between the second lens 32 and the second through hole 132 can be fixed by using two-component glue and adopting an AA process technology.
Therefore, the deviation of lens installation can be reduced, and the measurement accuracy of the vehicle-mounted multi-view structure can be improved.
Referring to fig. 10 and 11, in some embodiments of the present application, the first receiving groove 111 further includes a first protrusion 1111 surrounding the first through hole 131, the vehicle-mounted multi-view module 100 further includes a first sealing member 51 sleeved on the first protrusion 1111, the first sealing member 51 is located between the first circuit board 21 and the bracket 10, the first sealing member 51 surrounds the first image sensor 41 to seal the first image sensor 41, and/or the second receiving groove 121 further includes a second protrusion 1211 surrounding the second through hole 132, the vehicle-mounted multi-view module 100 further includes a second sealing member 52 sleeved on the second protrusion 1211, the second sealing member 52 is located between the second circuit board 22 and the bracket 10, and the second sealing member 52 surrounds the second image sensor 42 to seal the second image sensor 42.
In some embodiments of the present application, the first receiving slot 111 further includes a first protrusion 1111 surrounding the first through hole 131, the vehicle-mounted multi-view assembly 100 further includes a first sealing member 51 sleeved on the first protrusion 1111, the first sealing member 51 being located between the first circuit board 21 and the bracket 10, and/or the second receiving slot 121 further includes a second protrusion 1211 surrounding the second through hole 132, the vehicle-mounted multi-view assembly 100 further includes a second sealing member 52 sleeved on the second protrusion 1211, the second sealing member 52 being located between the second circuit board 22 and the bracket 10, and the assembly method further includes:
005 surrounding the first seal 51 around the first image sensor 41;
006, surrounding the second image sensor 42 with a second seal 52.
The first protrusion 1111 spaces the first through hole 131 from the first circuit board 21, and accommodates the first image sensor 41 at the space, and the first protrusion 1111 may support the first circuit board 21 and may limit the first lens 31 in a direction extending into the first through hole 131.
The first sealing member 51 is annular and is sleeved on the first protrusion 1111, surrounds the first image sensor 41, and is tightly attached to the gap between the first protrusion 1111 and the first circuit board 21.
The second protrusion 1211 spaces the second through hole 132 from the second circuit board 22, and accommodates the second image sensor 42 at the space, and the second protrusion 1211 may support the second circuit board 22 and may also limit the second lens 32 in a direction extending into the second through hole 132.
The second sealing member 52 is annular and is sleeved on the second protrusion 1211, surrounds the second image sensor 42, and is clung to the gap between the second protrusion 1211 and the second circuit board 22.
In certain embodiments of the present application, the first and second seals 51, 52 comprise sealing rings.
The first sealing member 51 and the second sealing member 52 are annular, and are integrally O-shaped sealing rings, and the sealing rings can be made of rubber, fluorine rubber, silica gel O-shaped rings or sealing components made of other materials.
Therefore, the sealing ring can fill and seal the gap, so that external dust and water vapor or substances which can influence the vehicle-mounted multi-purpose assembly are prevented from entering, and the protective performance of the vehicle-mounted multi-purpose device is enhanced.
In some embodiments of the present application, the bracket 10 includes a first positioning member 14, and the first circuit board 21 and the second circuit board 22 each include a second positioning member 25, and the first positioning member 14 is mounted in alignment with the second positioning member 25 to mount the first circuit board 21 and the second circuit board 22 on the bracket 10.
In some embodiments of the present application, the bracket 10 includes a first positioning member 14, the first circuit board 21 and the second circuit board 22 each include a second positioning member 25, and the assembly method further includes:
007 to mount the first positioning member 14 in alignment with the second positioning member 25.
The first circuit board 21 and the second circuit board 22 are mounted on the bracket 10 through the cooperation of the first positioning member 14 and the second positioning member 25.
For example, in one embodiment, the first positioning member 14 of the bracket 10 may be a plurality of positioning posts, the second positioning member 25 on the circuit board is a plurality of positioning holes, the positioning holes are in one-to-one correspondence with the positions of the positioning posts, and the first circuit board 21 and the second circuit board 22 are inserted into the positions of the positioning posts to fix the circuit boards, so as to achieve aligned installation.
In another embodiment, the first positioning member 14 of the bracket 10 may be a plurality of buckles, the second positioning member 25 on the circuit board is a plurality of slots, and the buckles are in one-to-one correspondence with the slots, and the buckles of the bracket 10 may clamp the slots of the circuit board to achieve aligned installation.
It should be understood that the first positioning member 14 and the second positioning member 25 may also adopt various other structures such as spline connection, flat key connection, cylindrical pin connection, and bolt connection with a hinged hole, which will not be described herein.
In some embodiments of the present application, the bracket 10 includes a first mounting surface 151 for mounting the first circuit board 21 and a second mounting surface 152 for mounting the second circuit board 22, the first mounting surface 151 and the second mounting surface 152 being on the same plane.
Referring to fig. 10, in some embodiments of the present application, the bracket 10 includes a first mounting surface 151 for mounting a first circuit board 21 and a second mounting surface 152 for mounting a second circuit board 22, and the assembly method further includes:
008, the first fitting surface 151 is adjusted to be in the same plane as the second fitting surface 152.
If the first mounting surface 151 and the second mounting surface 152 are not in the same plane, which may result in image processing being affected, the first mounting surface 151 should be adjusted to be in the same plane as the second mounting surface 152.
When the first mounting surface 151 and the second mounting surface 152 are on the same plane, the first circuit board 21, the first image sensor 41, the first lens 31, the second circuit board 22, the second image sensor 42, and the second lens 32 have the same image acquisition parameters (image acquisition angle, acquisition range, etc.).
In some embodiments of the present application, the bracket 10 further includes a first connection surface 161 for mounting the first lens 31 and a second connection surface 162 for mounting the second lens 32, the first connection surface 161 being parallel to the first mounting surface 151 and the second mounting surface 152, and the second connection surface 162 being parallel to the first mounting surface 151 and the second mounting surface 152.
Referring to fig. 3 and 12, in some embodiments of the present application, the bracket 10 further includes a first connecting surface 161 for mounting the first lens 31 and a second connecting surface 162 for mounting the second lens 32, and the assembling method further includes:
009, adjusting the first connecting surface 161 to be parallel to the first mounting surface 151 and the second mounting surface 152;
010, the second connecting surface 162 is adjusted to be parallel to the first fitting surface 151 and the second fitting surface 152.
The first connecting surface 161 is parallel to the first assembling surface 151 and the second assembling surface 152, so that the central axis of the first lens 31 is vertical to the first circuit board 21 when the first lens is installed.
The second connecting surface 162 is parallel to the first assembling surface 151 and the second assembling surface 152, so as to ensure that the central axis of the second lens 32 is perpendicular to the second circuit board 22 when the second lens is installed.
In some embodiments of the present application, the vehicle-mounted multi-lens assembly 100 further includes a connector 60, and the first lens 31 and the second lens 32 are disposed on the bracket 10 through the connector 60.
In certain embodiments of the present application, the in-vehicle multi-view assembly 100 further comprises a connector 60, the method of assembly further comprising:
011, the first lens 31 and the second lens 32 are disposed on the holder 10 through the connection member 60.
The connecting member 60 has a cylindrical cup shape, one side of which accommodates the lens, and the other side of which is formed with an opening extending into the through-hole, aiming at the image sensor.
The connecting piece 60 and the through hole can be fixed by adopting a threaded connection, glue filling and other modes.
In some embodiments of the present application, the bracket 10 includes a first connection surface 161 for mounting the first lens 31 and a second connection surface 162 for mounting the second lens 32, and the first connection surface 161 and the second connection surface 162 are on the same plane.
The first connecting surface 161 and the second connecting surface 162 are in the same plane and are parallel to the first assembling surface 151 and the second assembling surface 152, so that the parallel central axes of the first lens 31 and the second lens 32 are ensured.
In some embodiments of the present application, the bracket 10 includes a first connection surface 161 for mounting the first lens 31 and a second connection surface 162 for mounting the second lens 32, and the roughness of the first connection surface 161 and the roughness of the second connection surface 162 are both greater than a predetermined roughness.
Roughness refers to the small pitch and the unevenness of the minute peaks and valleys of the machined surface.
The roughness of the first connection surface 161 and the roughness of the second connection surface 162 are both greater than the preset roughness, so that a small gap exists when the first lens 31 and the second lens 32 are mounted on the first connection surface 161 and the second connection surface 162, and the gap can be filled with glue.
Therefore, flatness control (namely, adjusting the connecting surface, the assembling surface and the surface roughness to a specified range) can be carried out, so that the mounting error can be reduced, and the mounting stability of equipment and the measurement performance of the vehicle-mounted multi-purpose assembly can be improved.
In certain embodiments of the present application, the vehicle-mounted multi-view assembly 100 further includes a rear cover 70, the rear cover 70 being coupled to the bracket 10.
In certain embodiments of the present application, the in-vehicle multi-view assembly 100 further comprises a rear cover 70, the method of assembly further comprising:
012, connecting the rear cover 70 with the bracket 10.
The rear cover 70 is mounted on the opposite side of the bracket 10 to the first lens 31 and the second lens 32, and the rear cover 70 cooperates with the bracket 10 to accommodate the first circuit board 21, the second circuit board 22, the first sensor and the second sensor between the rear cover 70 and the bracket 10.
In some embodiments of the present application, the bracket 10 is provided with a first positioning portion 17, the rear cover 70 is provided with a second positioning portion 71, and the first positioning portion 17 and the second positioning portion 71 are cooperatively mounted to mount the rear cover 70 on the bracket 10.
In some embodiments of the present application, the bracket 10 is provided with a first positioning portion 17, the rear cover 70 is provided with a second positioning portion 71, and the assembling method further includes:
013, the first positioning portion 17 and the second positioning portion 71 are mounted in cooperation.
For example, in one embodiment, the first positioning portion 17 of the bracket 10 may be a plurality of screw holes, the second positioning portion 71 on the rear cover 70 is a plurality of positioning holes, the positioning holes correspond to the screw holes one by one, and the positioning holes and the screw holes are fixed by bolts or screws, so that the rear cover 70 and the bracket 10 are mounted in a matched manner.
In another embodiment, the first positioning portion 17 of the bracket 10 may be a plurality of buckles, the second positioning portion 71 on the rear cover 70 is a plurality of slots, the buckles correspond to the slots one by one, and the buckles of the bracket 10 may clamp the slots of the rear cover 70 to achieve aligned installation.
It should be understood that the first positioning member 14 and the second positioning member 25 may also adopt various other structures such as bonding, spline connection, flat key connection, cylindrical pin connection, etc., which will not be described herein.
In some embodiments of the present application, the rear cover 70 includes a heat conducting member 72, and the heat conducting member 72 is used to dissipate heat generated when the first photographing assembly and the second photographing assembly are operated.
In one embodiment, the heat conducting member 72 on the rear cover 70 may adopt a structure of a heat conducting boss, two or more cylindrical bosses extend inside the rear cover 70 (towards one side of the circuit board), the bosses are closely attached to the first circuit board 21 and the second circuit board 22, and when the circuit board generates heat, the heat is partially led out to the rear cover 70 for heat dissipation.
In other embodiments, the heat-conducting boss may also be matched with a heat-conducting material to realize heat-conducting and heat-dissipating functions, for example, heat-conducting glue, heat-conducting grease, etc. are filled between the heat-conducting boss and the circuit board.
In some embodiments of the present application, the first circuit board 21 includes a first mounting surface 211 and a first heat dissipating surface 212 facing away from each other, the first image sensor 41 is disposed on the first mounting surface 211, a first copper exposure area 213 is formed on the first heat dissipating surface 212 at a position corresponding to the first image sensor 41, the heat conductive member 72 is connected to the first copper exposure area 213 to conduct the temperature of the first image sensor 41 and/or the first circuit board 21 to the outside when the rear cover 70 is mounted on the stand 10, and/or the second circuit board 22 includes a second mounting surface 221 facing away from each other and a second heat dissipating surface 222, the second image sensor 42 is disposed on the second mounting surface 221, a second copper exposure area 223 is formed on the second heat dissipating surface 222 at a position corresponding to the second image sensor 42, and the heat conductive member 72 is connected to the second copper exposure area 223 to conduct the temperature of the second image sensor 42 and/or the second circuit board 22 to the outside when the rear cover 70 is mounted on the stand 10.
The first circuit board 21 includes a first mounting surface 211 and a first heat dissipation surface 212 opposite to each other, wherein the first mounting surface 211 is a side of the first circuit board 21 facing the first through hole 131, the first heat dissipation surface 212 is a side of the first circuit board 21 facing the rear cover 70, the first image sensor 41 is disposed on the first mounting surface 211, a first copper exposure area 213 is formed on the first heat dissipation surface 212 at a position corresponding to the first image sensor 41, and the heat conduction member 72 can dissipate heat from the first copper exposure area 213.
The second circuit board 22 includes a second mounting surface 221 and a second heat dissipation surface 222 opposite to each other, wherein the second mounting surface 221 is a side of the second circuit board 22 facing the second through hole 132, the second heat dissipation surface 222 is a side of the second circuit board 22 facing the rear cover 70, the second image sensor 42 is disposed on the second mounting surface 221, a second copper exposure area 223 is formed on the second heat dissipation surface 222 at a position corresponding to the second image sensor 42, and the heat conduction member 72 can dissipate heat from the second copper exposure area 223.
In some embodiments of the present application, the rear cover 70 includes a rear cover body 73, the heat conductive member 72 protrudes from the rear cover body 73, and the first and second circuit boards 21 and 22 are spaced apart from the rear cover body 73 by a predetermined distance when the rear cover 70 is mounted to the bracket 10.
In some embodiments of the present application, the rear cover 70 includes a rear cover body 73, the heat conductive member 72 protrudes from the rear cover body 73, and the assembling method further includes:
014, when the rear cover 70 is mounted on the bracket 10, the first circuit board 21 and the second circuit board 22 are spaced apart from the rear cover body 73 by a predetermined distance.
The rear cover 70 includes a rear cover body 73, the heat conductive member 72 faces the bracket 10 and protrudes from the rear cover body 73, and a limit structure may be formed on the bracket 10 to limit the heat conductive member 72, so as to prevent the rear cover body 73 from directly contacting the circuit board.
The first and second circuit boards 21 and 22 are spaced apart from the rear cover body 73 by a predetermined distance, and the heat conductive member 72 is in direct contact with the first and second circuit boards 21 and 22.
In this way, a gap is formed between the circuit board and the rear cover body 73, improving the internal heat dissipation capability.
In some embodiments of the present application, the heat conductive member 72 is integrally formed with the rear cover body 73, and/or the heat conductive member 72 is detachably connected with the rear cover body 73.
If the heat conductive member 72 is integrally formed with the rear cover body 73, the rear cover 70 should be made of a material having good heat conductive properties, such as a copper alloy, a silicon aluminum alloy, or the like.
If the heat conducting member 72 is detachably connected to the rear cover body 73, the heat conducting member 72 should be made of a material with good heat conducting performance, and the rear cover body 73 may be made of other materials (but still needs to ensure sufficient heat dissipation performance).
In some embodiments of the present application, the rear cover 70 is provided with an output interface 74, and the output interface 74 is electrically connected to the photographing assembly.
In some embodiments of the application, the rear cover 70 is provided with an output interface 74, and the assembly method further comprises:
015 electrically connects the output interface 74 with the camera assembly.
The rear cover 70 is provided with an output interface 74, the output interface 74 is electrically connected with the shooting assembly, and the output interface 74 can transmit data acquired and processed by the shooting assembly to other devices (such as a central control display screen).
For example, in one embodiment, the rear cover 70 may be provided with an interface mounting groove, and the output interface 74 is embedded in the interface mounting groove, and of course, the output interface 74 may be integrally formed with the rear cover 70 by injection molding, which is not limited by the present application.
In some embodiments of the present application, the number of output interfaces 74 matches the number of camera assemblies such that each camera assembly is correspondingly coupled to an output interface 74.
In some embodiments of the present application, the number of output interfaces 74 matches the number of shooting components, and the assembly method further comprises:
016, each shooting component is correspondingly connected with the output interface 74.
Specifically, the first circuit board 21 and the second circuit board 22 are formed with circuit output terminals, and the circuit output terminals may be connected to the output interface 74 through connection lines.
The number of output interfaces 74 matches the number of shooting components, and in the embodiment of the present application, the first shooting component and the second shooting component are included, so the number of corresponding output interfaces 74 is also two.
In some embodiments of the present application, the in-vehicle multi-view assembly 100 further includes a third circuit board, a fourth circuit board, a third lens, and a fourth lens. The third circuit board is fixed on the support 10, a third image sensor is arranged on the third circuit board, the fourth circuit board is fixed on the support 10, a fourth image sensor is arranged on the fourth circuit board, a third lens is fixed on the support 10 and aligned with the third image sensor, a fourth lens is fixed on the support 10 and aligned with the fourth image sensor, wherein the third lens, the third circuit board and the third image sensor can form a third shooting component, the fourth lens, the fourth circuit board and the fourth image sensor can form a fourth shooting component, the third shooting component and the fourth shooting component have a second overlapped observation range, and the third shooting component and the fourth shooting component are used for measuring the distance between a scene object in the second observation range and the third shooting component.
Referring to fig. 13, in some embodiments of the present application, the vehicle-mounted multi-view assembly 100 further includes a third circuit board, a fourth circuit board, a third lens and a fourth lens, wherein the third circuit board is provided with a third image sensor, the fourth circuit board is provided with a fourth image sensor, and the assembling method further includes:
017, fixing the third circuit board on the bracket 10;
018, fixing the fourth circuit board to the stand 10;
019 fixing a third lens on the stand 10, the third lens being aligned with the third image sensor;
020, fixing a fourth lens on the bracket 10, the fourth lens being aligned with the fourth image sensor;
The third lens, the third circuit board and the third image sensor can form a third shooting component, the fourth lens, the fourth circuit board and the fourth image sensor can form a fourth shooting component, the third shooting component and the fourth shooting component are provided with a second overlapped observation range, and the third shooting component and the fourth shooting component are used for measuring the distance between a scene object in the second observation range and the third shooting component.
In other embodiments, the vehicle-mounted multi-view assembly 100 may also include four photographing assemblies, including a first photographing assembly, a second photographing assembly, a third photographing assembly, and a fourth photographing assembly.
The third shooting component and the fourth shooting component are provided with a second overlapped observation range, and are used for measuring the distance between a scene object in the second observation range and the third shooting component and the fourth shooting component. And the four shooting assemblies work simultaneously to measure the first observation range and the second observation range simultaneously.
Therefore, the four shooting assemblies are adopted, the observation range is larger, the calculation capacity is stronger, and the distance between the object and the object can be measured more accurately.
Referring to fig. 14, in some embodiments of the present application, the bracket 10 is used to directly or indirectly connect with a light shield 80, wherein the light shield 80 is used to prevent stray light from entering the photographing assembly.
In certain embodiments of the application, the assembly method further comprises:
021, directly or indirectly connecting the support 10 with the shade 80.
Referring to fig. 14 and 15, the light shielding cover 80 is a housing with a receiving cavity, the bracket 10 may be directly installed in the light shielding cover 80, and the light shielding cover 80 is formed with a plurality of openings at the output interface 74 corresponding to the first lens 31 and the second lens 32 of the bracket 10, so that the light shielding cover 80 does not cover the first lens 31 and the second lens 32 and the output interface 74.
Specifically, the shape of the light shield 80 is similar to a double-shovel shape, the outer flange 82 is two edges on the outer side of the light shield 80, the inner flange 81 is two edges on the inner side of the light shield 80, the two edges on the inner side of the light shield 80 form a triangular avoidance space with the light shield 80, the shape of the avoidance space is the same as that of the connecting part of the first surface and the light shield 80, so that the upper end surface and the first surface can form an attaching surface with the same surface curvature as that of the front windshield, and a lens of the shooting assembly is penetrated in a lens hole between the upper end surface and the inner surface.
Illustratively, the light shielding cover 80 includes a first light shielding region disposed corresponding to the first mounting portion 11 and a second light shielding region disposed corresponding to the second mounting portion 12.
In an alternative embodiment, the outer edge of the first light shielding region is symmetrically arranged with the outer edge of the second light shielding region.
Referring to fig. 16 and 17, in some embodiments of the present application, the outer side of the light shield 80 has an outer side flange 82, and the angle between the outer side flange 82 and the central axis of the light shield 80 is set based on the maximum angle of view of one of the photographing components.
In some embodiments of the application, the inner side of the light shield 80 has an inner side flange 81, and the assembly method further comprises:
022, the angle of the inner flange 81 to the central axis of the hood 80 is set based on the maximum angle of view of one of the photographing modules.
In some embodiments of the present application, the angle of the outer flange 82 with respect to the central axis of the light shield 80 is set according to the maximum field angle of the outermost camera assembly.
In certain embodiments of the application, the assembly method further comprises:
023, the angle of the outer flange 82 with the central axis of the mask 80 is set according to the maximum field angle of the outermost photographing element.
In some embodiments of the present application, the inner side of the light shield 80 has an inner flange 81, and the angle of the inner flange 81 to the central axis of the light shield 80 is set based on the maximum angle of view of one of the photographing components.
In some embodiments of the application, the inner side of the light shield 80 has an inner side flange 81, and the assembly method further comprises:
024, the angle of the inner flange 81 to the central axis of the hood 80 is set based on the maximum field angle of one of the camera assemblies.
In some embodiments of the present application, the angle between the inner flange 81 and the central axis of the light shield 80 is set according to the maximum angle of view of the innermost camera assembly.
In certain embodiments of the application, the assembly method further comprises:
025, the angle between the inner flange 81 and the central axis of the shade 80 is set according to the maximum field angle of the innermost camera assembly.
In some embodiments of the present application, the light shield 80 is configured to be attached to a windshield of an automobile, and the curvature of the surface of the light shield 80 corresponds to the curvature of the windshield such that some or all of the light shield 80 can be attached to the windshield.
In certain embodiments of the application, the assembly method further comprises:
026, the shade 80 is attached to the front windshield of the automobile.
The curvature of the surface of the light shield 80 corresponds to the curvature of the front windshield such that part or all of the light shield 80 can be attached to the front windshield, specifically, the light shield 80 is attached to the front windshield of the automobile above the inside rear view mirror.
In some embodiments of the present application, a flange structure is provided on the peripheral edge of the light shield 80 for bonding with the front windshield.
The surface curvature of the light shield 80 corresponds to the curvature of the front windshield, and the flanging structure on the edge of the peripheral side of the light shield 80 can attach part of the vehicle-mounted multi-view assembly 100 to the front windshield of the vehicle 1000, so that the plurality of shooting assemblies are sequentially arranged along the width direction of the vehicle 1000, and the distance between a scene object in an observation range and the vehicle 1000 after the first shooting assembly and the second shooting assembly possibly pass through the front windshield is ensured.
For example, the first and second photographing members pass through the front glass for a distance between a scene object in the first observation range and the vehicle 1000, and the third and fourth photographing members pass through the front glass for a distance between a scene object in the second observation range and the vehicle 1000.
In some embodiments of the present application, the light shield 80 is provided with a light extinction structure for shielding stray light.
For example, the matting structure may be a matting fleece attached to the inner surface of the light shield 80, or the matting structure may be a matting pattern provided on the surface of the light shield 80, and the matting pattern is saw-toothed.
In some embodiments of the present application, the stand 10 is further configured to be coupled to a third mounting portion configured to be coupled to an external device to secure the stand 10 to the external device.
Referring to fig. 18, in some embodiments of the present application, the assembly method further includes:
027 connecting the bracket 10 to the third mounting portion;
028, connecting the third mounting portion with an external device.
The stand 10 is connected to a third mounting portion which is connected to an external device such that the stand 10 is fixed to the external device.
In some embodiments of the application, the third mounting portion is used to mount the light shield 80.
In certain embodiments of the application, the assembly method further comprises:
029, the shade 80 is mounted to the third mounting portion.
In some embodiments of the present application, the light shield 80 is provided with a third positioning portion 83, and the third positioning portion 83 is connected to the third mounting portion.
In some embodiments of the present application, the light shield 80 is provided with a third positioning portion 83, and the assembling method further includes:
030, connecting the third positioning portion 83 with the third mounting portion.
In this way, the shade 80 can be mounted on the bracket 10 by connecting the third positioning portion 83 and the third mounting portion.
In some embodiments of the present application, the third mounting portion is a positioning post provided on the bracket 10, and the third positioning portion 83 is a positioning hole provided on the light shield 80, and the positioning hole is mounted on the positioning post.
In some embodiments of the present application, the third mounting portion is a positioning post provided on the bracket 10, the third positioning portion 83 is a positioning hole provided on the light shield 80, and the assembling method further includes:
031, mounting the positioning hole on the positioning post.
The third positioning portion 83 is connected to the third mounting portion by mounting the positioning hole on the positioning post, so that the light shield 80 is mounted on the bracket 10.
In certain embodiments of the present application, step 003 comprises:
0032 fixing the first lens 31 on the bracket 10 by using an active alignment process;
step 004 comprises:
0042, fixing the second lens 32 on the bracket 10 by using an active alignment process.
The active alignment process is a technique for determining the relative position of components during the assembly process, and when each component/part is installed, the semi-finished product which is assembled is detected, and the semi-finished product is actively aligned according to the actual situation of the semi-finished product, and then the next component/part is assembled in place.
Specifically, when the first lens 31 and the second lens 32 are mounted, the apparatus actively aligns the first lens 31, the second lens 32, and the bracket 10 and then mounts them by an active alignment process.
Therefore, the assembly tolerance can be effectively reduced by applying the active alignment process, and the installation accuracy and the product consistency are effectively improved.
Referring to fig. 19, a vehicle 1000 according to an embodiment of the application includes a vehicle body 1001 and a vehicle-mounted multi-view assembly 100, the vehicle-mounted multi-view assembly 100 being mounted on the vehicle body 1001.
In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The present application may repeat reference numerals and/or letters in the various examples, and this repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.