ADAS camera

Abstract

The utility model discloses an ADAS camera, which comprises a lower shell made of plastic materials, a support made of metal materials, a sensor circuit board, a power supply circuit board and a radio frequency coaxial connector, one end of the support is connected with a lens, and the other end of the support is connected with the lower shell. The sensor circuit board and the power supply circuit board are both arranged in a cavity between the lower shell and the support, the power supply circuit board is arranged on one side, close to the lower shell, of the sensor circuit board, one end of the radio frequency coaxial connector is welded to the power supply circuit board, the other end of the radio frequency coaxial connector is arranged in the lower shell in a penetrating mode, and the radio frequency coaxial connector is connected with the power supply circuit board. A shielding ring of the radio frequency coaxial connector is in contact with one end of a metal insert arranged on the lower shell, and the other end of the metal insert is in contact with the support. According to the ADAS camera of the utility model, signal shielding is realized, and the camera is prevented from external electromagnetic interference.

Description

Technical Field

[0001] The utility model relates to the technical field of cameras, in particular to an ADAS camera. Background Art

[0002] With the popularization and improvement of intelligent driving technology, the demand for image information collection of driving environment is also increasing. It is necessary to continuously obtain surrounding information to achieve the purpose of assisted driving. As the "eyes" of automatic driving, the market demand for cameras continues to rise. A car often needs to be equipped with up to ten or even more than ten cameras. The Advanced Driving Assistant System (ADAS) uses various sensors installed on the car to sense the surrounding environment at any time during the driving process of the car, collect data, identify, detect and track static and dynamic objects, and combine the navigation map data to perform systematic calculations and analysis, so as to let the driver be aware of possible dangers in advance, effectively increasing the comfort and safety of car driving. The current camera adopts an all-metal structure, the weight of the camera is relatively large, and the camera image transmission is easily affected by electromagnetic interference from the external environment. Utility Model Content

[0003] In view of this, the utility model provides an ADAS camera, which realizes signal shielding and prevents the camera from being interfered by external electromagnetic interference.

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

[0005] An ADAS camera, comprising:

[0006] lower shell;

[0007] A bracket, one end of which is connected to the lens, and the other end of which is connected to the lower shell;

[0008] A sensor circuit board is disposed in a cavity between the lower shell and the bracket;

[0009] A power circuit board is arranged in a cavity between the lower shell and the bracket, and the power circuit board is arranged on a side of the sensor circuit board close to the lower shell;

[0010] A radio frequency coaxial connector, one end of which is welded to the power circuit board and the other end of which is inserted into the lower shell;

[0011] The shielding ring of the radio frequency coaxial connector contacts one end of a metal insert arranged on the lower shell, and the other end of the metal insert contacts the bracket.

[0012] Optionally, a through hole is provided on the lower shell at a position for the RF coaxial connector to pass through, and a limiting boss is provided at one end of the through hole close to the bracket;

[0013] The metal insert includes a first connecting ring and a second connecting ring connected by a connecting rod, the first connecting ring is sleeved on the limiting boss, and the second connecting ring is arranged at the connecting position between the lower shell and the bracket.

[0014] Optionally, a first connecting through hole is provided on the lower shell, a first connecting threaded hole is provided on the end surface of the bracket close to the lower shell, the first connecting through hole is provided corresponding to the first connecting threaded hole, and the second connecting ring is provided at the position of the first connecting through hole;

[0015] The lower shell and the bracket are connected by a first connecting screw passing through the first connecting through hole and the first connecting threaded hole.

[0016] Optionally, the bracket is a shell with an open end, and the open end of the shell is arranged close to the lower shell;

[0017] A first support platform and a second support platform are provided at the bottom of the cavity of the bracket, the height of the second support platform is greater than the height of the first support platform, the sensor circuit board is placed on the first support platform, and the power supply circuit board is placed on the second support platform.

[0018] Optionally, a connecting platform is provided at the bottom of the cavity of the bracket, the connecting platform is at the same height as the first supporting platform, and the sensor circuit board is connected to the connecting platform by a second connecting screw;

[0019] Two connecting platforms are provided, and two first supporting platforms are provided. The connecting platforms are spaced apart from the first supporting platforms.

[0020] Optionally, a connecting tube is provided at one end of the bracket away from the lower shell, one end of the connecting tube is communicated with the inner cavity of the bracket, and the other end is connected to the lens.

[0021] Optionally, a plug-in ring plate for positioning the power circuit board is arranged on the end face of the lower shell close to the bracket, the outer side surface of the plug-in ring plate is arranged corresponding to the inner side surface of the cavity of the bracket, and a first open groove for the connecting rod to pass through is arranged on the plug-in ring plate. When the lower shell and the bracket are installed, the end surface of the plug-in ring plate is in contact with the power circuit board.

[0022] Optionally, a sealing ring groove for placing a sealing ring is provided on the lower shell, the sealing ring groove is provided corresponding to the end surface of the bracket, the sealing ring groove is arranged around the outer side of the plug-in ring plate, the groove width of the sealing ring groove is provided corresponding to the width of the cross section of the sealing ring, and the height of the sealing ring groove is smaller than the height of the sealing ring.

[0023] Optionally, a second opening groove is provided on the plug-in ring plate, a limiting protrusion is provided at a position of the sealing ring corresponding to the second opening groove, the groove width of the second opening groove is set corresponding to the width of the limiting protrusion, and the limiting protrusion is plugged into the second opening groove.

[0024] Optionally, a first anti-error structure is provided at the end face edge of the lower shell close to the bracket, and a second anti-error structure is provided at the end face edge of the bracket close to the lower shell, the first anti-error structure and the second anti-error structure are arranged correspondingly, and the first anti-error structure and the second anti-error structure are plugged into each other.

[0025] It can be seen from the above technical solution that the ADAS camera provided by the utility model makes the shielding ring of the RF coaxial connector contact with the metal insert provided on the lower shell, and the metal insert contacts with the bracket, so that the electromagnetic interference is transmitted to the bracket through the shielding ring of the RF coaxial connector. Since the metal bracket at the vehicle end is connected to the bracket, the electromagnetic interference is transmitted to the whole vehicle, thereby realizing shielding of external signals, so that the camera has a signal shielding function, and solves the problem of electromagnetic interference of the camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 A schematic diagram of the exploded structure of an ADAS camera provided by an embodiment of the utility model;

[0028] Figure 2 A schematic diagram of the assembly structure of an ADAS camera provided by an embodiment of the utility model;

[0029] Figure 3 A schematic diagram of the structure of the lower shell provided by an embodiment of the utility model;

[0030] Figure 4 A schematic diagram of the structure of a metal insert provided in an embodiment of the utility model;

[0031] Figure 5 A schematic diagram of the assembly structure of the lower shell and the sealing ring provided in an embodiment of the utility model;

[0032] Figure 6 A schematic diagram of the structure of a radio frequency coaxial connector provided by an embodiment of the utility model;

[0033] Figure 7 A schematic diagram of the connection structure between the radio frequency coaxial connector and the power circuit board provided in an embodiment of the utility model;

[0034] Figure 8 A schematic diagram of the connection structure between the radio frequency coaxial connector and the lower shell provided in an embodiment of the utility model;

[0035] Fig. 9 A schematic structural diagram of an angle of the bracket provided by an embodiment of the utility model;

[0036] Fig.10 A schematic structural diagram of a bracket provided by an embodiment of the utility model from another angle;

[0037] Fig.11 A schematic diagram of a structure in which a sensor circuit board provided in an embodiment of the utility model is installed on a bracket;

[0038] Fig.12 A schematic diagram of a structure in which a power supply circuit board provided in an embodiment of the utility model is installed on a bracket;

[0039] Fig.13 This is a schematic cross-sectional view of the structure after a circuit board is installed in the bracket provided in an embodiment of the utility model.

[0040] in:

[0041] 1. Lens;

[0042] 2. Bracket;

[0043] 201, connecting tube; 202, first supporting platform; 203, connecting platform; 204, second connecting threaded hole; 205, second supporting platform; 206, anti-error groove; 207, first connecting threaded hole; 208, second positioning hole;

[0044] 3. Sensor circuit board;

[0045] 4. Second connecting screw;

[0046] 5. Power circuit board;

[0047] 6. RF coaxial connector;

[0048] 601, shielding ring; 602, sealing ring;

[0049] 7. Sealing ring;

[0050] 701, limiting protrusion;

[0051] 8. Lower shell;

[0052] 801, plug-in ring plate; 802, sealing ring groove; 803, second opening groove; 804, through hole; 805, first opening groove; 806, first connecting through hole; 807, limiting boss; 808, first positioning hole; 809, anti-error column;

[0053] 9. First connecting screw;

[0054] 10. Metal inserts;

[0055] 1001. First connecting ring; 1002. Second connecting ring; 1003. Connecting rod. DETAILED DESCRIPTION

[0056] The utility model discloses an ADAS camera, which realizes signal shielding and prevents the camera from being interfered by external electromagnetic interference.

[0057] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0058] See also Figures 1 to 13 The ADAS camera of the utility model includes a lower shell 8, a bracket 2, a sensor circuit board 3, a power circuit board 5 and a radio frequency coaxial connector 6. The lower shell 8 is made of plastic, and the bracket 2 is made of metal. One end of the bracket 2 is connected to the lens 1, and the other end is connected to the lower shell 8. The sensor circuit board 3 and the power circuit board 5 are both arranged in a chamber between the lower shell 8 and the bracket 2. The power circuit board 5 is arranged on a side of the sensor circuit board 3 close to the lower shell 8, and the sensor circuit board 3 is arranged close to the lens 1. One end of the radio frequency coaxial connector 6 is welded to the power circuit board 5, and the other end is passed through the lower shell 8. The shielding ring 601 of the radio frequency coaxial connector 6 contacts one end of a metal insert 10 arranged on the lower shell 8, and the other end of the metal insert 10 contacts the bracket 2.

[0059] Among them, the RF coaxial connector 6 is a small push-in locking RF coaxial connector. The sensor circuit board 3 is electrically connected to the power circuit board 5, and the connection between the two is a prior art and will not be repeated here. The sensor circuit board 3 and the power circuit board 5 are arranged in parallel in the chamber of the bracket 2. The bracket 2 is a shell structure with one end sealed and the other end open. The open end of the shell structure is connected to the lower shell 8, and the lower shell 8 is used to seal the chamber of the bracket 2. The bracket 2 is installed on the metal bracket at the vehicle end. In order to reduce the weight of the product, the material of the bracket 2 is aluminum alloy. The lower shell 8 is made of plastic. The RF coaxial connector 6 is a product in the prior art.

[0060] The ADAS camera of the present invention makes the shielding ring 601 of the RF coaxial connector 6 contact with the metal insert 10 provided on the lower shell 8, and the metal insert 10 contacts with the bracket 2, so that the electromagnetic interference is transmitted to the bracket 2 through the shielding ring 601 of the RF coaxial connector 6. Since the metal bracket at the vehicle end is connected to the bracket 2, the electromagnetic interference is further transmitted to the entire vehicle, thereby realizing signal shielding, so that the camera has a signal shielding function, and solves the problem of electromagnetic interference of the camera.

[0061] In order to facilitate the connection with the RF coaxial connector 6, a through hole 804 is provided on the lower shell 8 at a position for the RF coaxial connector 6 to pass through. Figure 3 As shown, a limiting boss 807 is provided at one end of the through hole 804 close to the bracket 2. The limiting boss 807 is a ring-shaped platform arranged around the end of the through hole 804, and is used to support the root of the shielding ring 601 of the RF coaxial connector 6. The shielding ring 601 of the RF coaxial connector 6 is a metal spring, and the top of the shielding ring 601 is in contact with the metal insert 10. Figures 6 to 8 It can be understood that the root of the shielding ring 601 is connected to the body of the RF coaxial connector 6. The metal insert 10 includes a first connecting ring 1001 and a second connecting ring 1002 connected by a connecting rod 1003. Figures 3 to 5 The first connecting ring 1001 is sleeved on the outer side of the limiting boss 807, and the second connecting ring 1002 is set at the connection position between the lower shell 8 and the bracket 2. The shielding ring 601 of the RF coaxial connector 6 is provided with a sealing ring 602 on one side close to the through hole 804, such as Figure 6 As shown, the sealing ring 602 is sleeved on the RF coaxial connector 6. After the RF coaxial connector 6 is assembled on the lower shell 8, the sealing ring 602 is squeezed by the lower shell 8 and the RF coaxial connector 6. Figure 8 , thereby achieving sealing at the position of the via hole 804. The plug-in end of the RF coaxial connector 6 is not provided with a shell, and the shell of the plug-in end is integrally injection-molded on the lower shell 8, which reduces the cost compared to the finished plug-in end with a shell.

[0062] Specifically, the lower shell 8 is provided with a first connecting through hole 806. Figure 5As shown, a first connecting threaded hole 207 is provided on the end surface of the bracket 2 close to the lower shell 8, and the first connecting through hole 806 is provided corresponding to the first connecting threaded hole 207. The second connecting ring 1002 is provided at the position of the first connecting through hole 806. The lower shell 8 and the bracket 2 are connected by the first connecting screw 9 which is penetrated through the first connecting through hole 806 and the first connecting threaded hole 207. Further, the second connecting ring 1002 is embedded in the side wall of the first connecting through hole 806, and the second connecting ring 1002 is coaxially arranged with the first connecting through hole 806. In order to ensure that the ring wall surface of the second connecting ring 1002 is in contact with the first connecting screw 9, the ring diameter of the second connecting ring 1002 is provided corresponding to the diameter of the first connecting screw 9, so as to facilitate the conduction of electromagnetic interference.

[0063] In order to support the sensor circuit board 3, a first support platform 202 and a second support platform 205 are provided at the bottom of the cavity of the bracket 2. Fig.10 As shown, the height of the second support platform 205 is greater than that of the first support platform 202, the sensor circuit board 3 is placed on the first support platform 202, and the power supply circuit board 5 is placed on the second support platform 205. There are a plurality of first support platforms 202 and second support platforms 205, and the plurality of first support platforms 202 and second support platforms 205 are provided. In order to prevent the support platforms from affecting the connection of components on the circuit board, the first support platform 202 and the second support platform 205 are both provided at the edge of the cavity of the bracket 2.

[0064] In order to achieve reliable positioning of the sensor circuit board 3, a connecting platform 203 is also provided at the bottom of the cavity of the bracket 2. Fig.10 , the connecting platform 203 has the same height as the first supporting platform 202, a second connecting threaded hole 204 is provided on the connecting platform 203, and the sensor circuit board 3 is connected to the second connecting threaded hole 204 on the connecting platform 203 through the second connecting screw 4. It can be understood that a second connecting through hole for the second connecting screw 4 to pass through is provided at a position corresponding to the second connecting threaded hole 204 on the sensor circuit board 3. In one embodiment, two connecting platforms 203 are provided, and two first supporting platforms 202 are provided, and the connecting platforms 203 and the first supporting platforms 202 are spaced apart. Specifically, the cavity of the bracket 2 is a rectangular cavity, and the two connecting platforms 203 are respectively provided at two oppositely disposed corner positions of the rectangular cavity, and the two first supporting platforms 202 are respectively provided at the other two oppositely disposed corner positions of the rectangular cavity.

[0065] Among them, a connecting tube 201 is provided at one end of the bracket 2 away from the lower shell. The connecting tube 201 is a cylinder with two ends opened. One end of the connecting tube 201 is connected to the inner cavity of the bracket 2, and the other end is connected to the lens 1.

[0066] In order to position the power circuit board 5, a plug-in ring plate 801 for positioning the power circuit board 5 is provided on the end surface of the lower shell 8 close to the bracket 2, and the outer side surface of the plug-in ring plate 801 is arranged corresponding to the inner side surface of the chamber of the bracket 2, so as to prevent the plug-in ring plate 801 from affecting the circuit on the power circuit board 5. The plug-in ring plate 801 is provided with a first opening groove 805 for the connecting rod 1003 to pass through. When the lower shell 8 and the bracket 2 are installed, the end surface of the plug-in ring plate 801 contacts the edge of the power circuit board 5, so as to position the power circuit board 5.

[0067] In order to improve the sealing performance of the joint position after the lower shell 8 and the bracket 2 are installed, a sealing ring groove 802 for placing the sealing ring 7 is provided on the lower shell 8. The sealing ring groove 802 is arranged corresponding to the end surface of the bracket 2. The sealing ring groove 802 is arranged around the outer side of the plug-in ring plate 801. The groove width of the sealing ring groove 802 is arranged corresponding to the width of the cross section of the sealing ring 7. The height of the sealing ring groove 802 is less than the height of the sealing ring 7, so that after the lower shell 8 and the bracket 2 are installed, the sealing ring 7 is deformed and crimped on the end surface of the bracket 2 to achieve better sealing. The sealing ring 7 can be a hollow sealing rubber ring, a fabric sealing ring, or other elastic sealing rings, which are not limited here.

[0068] In order to prevent the sealing ring 7 from rotating and shifting along the sealing ring groove 802, a second opening groove 803 is provided on the plug-in ring plate 801, and a limiting protrusion 701 is provided at a position corresponding to the sealing ring 7 and the second opening groove 803. The groove width of the second opening groove 803 is set corresponding to the width of the limiting protrusion 701, and the limiting protrusion 701 is inserted into the second opening groove 803. In one embodiment, the sealing ring 7 is a rectangular chamfered ring, such as Figure 5 As shown, two second opening grooves 803 are provided, and correspondingly, two limiting protrusions 701 are provided, and the two limiting protrusions 701 are arranged on two adjacent sides of the sealing ring 7 .

[0069] In order to improve the installation efficiency of the lower shell 8 and the bracket 2, a first error-proofing structure is provided at the end edge of the lower shell 8 close to the bracket 2, and a second error-proofing structure is provided at the end edge of the bracket 2 close to the lower shell 8. The first error-proofing structure and the second error-proofing structure are correspondingly arranged, and the first error-proofing structure and the second error-proofing structure are plugged in. In one embodiment, the first error-proofing structure is an error-proofing column 809, referring to Figure 5 The second error-proofing structure is an error-proofing groove 206, referring to Fig.10 The error-proofing column 809 is arranged in cooperation with the error-proofing groove 206. Two error-proofing columns 809 are arranged, and the two error-proofing columns 809 are arranged asymmetrically, thereby effectively avoiding the influence of wrong installation on production efficiency.

[0070] In order to achieve positioning when the lower shell 8 and the bracket 2 are assembled, a first positioning hole 808 is provided on the lower shell 8, and a second positioning hole 208 is provided on the bracket 2. The first positioning hole 808 and the second positioning hole 208 are provided correspondingly.

[0071] When assembling the ADAS camera of the present invention, firstly, the RF coaxial connector 6 is welded to the power circuit board 5, the sensor is welded to the sensor circuit board 3, and then the sensor circuit board 3 is connected to the bracket 2 through two second connecting screws 4. Fig.11 Then the power supply circuit board 5 is placed on the second support platform 205, as shown. Fig.12 Assemble the sealing ring 7 into the sealing ring groove 802 of the lower shell 8, as shown. Figure 5 Then, the lower shell 8 is connected to the bracket 2, and finally the lens 1 is connected to complete the assembly.

[0072] The ADAS camera of the utility model has a lower shell 8 made of plastic material, which reduces the weight of the product compared to metal material. The shielding ring 601 of the RF coaxial connector 6 contacts the metal insert 10 on the lower shell 8, achieving the shielding function and solving the problem of electromagnetic interference. The lower shell 8 cooperates with the sealing ring 602 on the RF coaxial connector 6 to make the camera more sealed.

[0073] In the description of this solution, it should be understood that the terms "upper", "lower", "vertical", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this solution.

[0074] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this solution, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0075] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the embodiments can be referred to each other. The above description of the disclosed embodiments enables professionals and technicians in this field to implement or use the utility model. Various modifications to these embodiments will be obvious to professionals and technicians in this field, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features disclosed herein.

Claims

1. An ADAS camera, characterized in that: include: lower shell; A bracket, one end of which is connected to the lens, and the other end of which is connected to the lower shell; A sensor circuit board is disposed in a cavity between the lower shell and the bracket; A power circuit board is arranged in a cavity between the lower shell and the bracket, and the power circuit board is arranged on a side of the sensor circuit board close to the lower shell; A radio frequency coaxial connector, one end of which is welded to the power circuit board and the other end of which is inserted into the lower shell; The shielding ring of the radio frequency coaxial connector contacts one end of a metal insert arranged on the lower shell, and the other end of the metal insert contacts the bracket.

2. The ADAS camera according to claim 1, characterized in that: A through hole is provided on the lower shell at a position for the RF coaxial connector to pass through, and a limiting boss is provided at one end of the through hole close to the bracket; The metal insert includes a first connecting ring and a second connecting ring connected by a connecting rod, the first connecting ring is sleeved on the limiting boss, and the second connecting ring is arranged at the connecting position between the lower shell and the bracket.

3. The ADAS camera according to claim 2, characterized in that: The lower shell is provided with a first connecting through hole, the end surface of the bracket close to the lower shell is provided with a first connecting threaded hole, the first connecting through hole is provided corresponding to the first connecting threaded hole, and the second connecting ring is provided at the position of the first connecting through hole; The lower shell and the bracket are connected by a first connecting screw which passes through the first connecting through hole and the first connecting threaded hole.

4. The ADAS camera according to claim 1, characterized in that: The bracket is a shell with an open end, and the open end of the shell is arranged close to the lower shell; A first support platform and a second support platform are provided at the bottom of the cavity of the bracket, the height of the second support platform is greater than the height of the first support platform, the sensor circuit board is placed on the first support platform, and the power supply circuit board is placed on the second support platform.

5. The ADAS camera according to claim 4, characterized in that: A connecting platform is provided at the bottom of the cavity of the bracket, the connecting platform is at the same height as the first supporting platform, and the sensor circuit board is connected to the connecting platform by a second connecting screw; Two connecting platforms are provided, and two first supporting platforms are provided. The connecting platforms are spaced apart from the first supporting platforms.

6. The ADAS camera according to claim 4, characterized in that: A connecting tube is provided at one end of the bracket away from the lower shell, one end of the connecting tube is communicated with the inner cavity of the bracket, and the other end is connected with the lens.

7. The ADAS camera according to claim 2, characterized in that: A plug-in ring plate for positioning the power circuit board is arranged on the end face of the lower shell close to the bracket, the outer side face of the plug-in ring plate is arranged corresponding to the inner side face of the cavity of the bracket, and the plug-in ring plate is provided with a first open groove for the connecting rod to pass through, and when the lower shell and the bracket are installed, the end face of the plug-in ring plate is in contact with the power circuit board.

8. The ADAS camera according to claim 7, characterized in that: The lower shell is provided with a sealing ring groove for placing a sealing ring, the sealing ring groove is provided corresponding to the end surface of the bracket, the sealing ring groove is arranged around the outer side of the plug-in ring plate, the groove width of the sealing ring groove is provided corresponding to the width of the cross section of the sealing ring, and the height of the sealing ring groove is smaller than the height of the sealing ring.

9. The ADAS camera according to claim 8, characterized in that: A second opening groove is provided on the plug-in ring plate, a limiting protrusion is provided at a position of the sealing ring corresponding to the second opening groove, the groove width of the second opening groove is set corresponding to the width of the limiting protrusion, and the limiting protrusion is plugged into the second opening groove.

10. The ADAS camera according to claim 1, characterized in that: A first error-proofing structure is provided at the end surface edge of the lower shell close to the bracket, and a second error-proofing structure is provided at the end surface edge of the bracket close to the lower shell. The first error-proofing structure and the second error-proofing structure are provided in correspondence with each other, and the first error-proofing structure and the second error-proofing structure are plugged into each other.

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