A radar housing with an Ethernet connector and a robotic arm for injection molding thereof.

Abstract

This invention discloses a radar housing with an Ethernet connector and a robotic arm for injection molding therein, belonging to the field of radar housings and robotic arm equipment. The device includes a housing and a composite interface module; the housing has an internal cavity for accommodating radar circuit components; the composite interface module is disposed on the housing and is used for electrical communication with the radar circuit components; wherein, the composite interface module integrates an Ethernet communication interface for data transmission and a low-voltage wiring harness interface for power and signal transmission, and both the Ethernet communication interface and the low-voltage wiring harness interface are electrically connected to the radar circuit components in the internal cavity. This invention achieves a high degree of integration of the radar interface through the integrated design of the composite interface module, which has the advantages of greatly simplifying the housing structure, reducing sealing points, and improving overall sealing reliability and space utilization.

Description

Technical Field

[0001] This invention relates to the field of radar housings and robotic arms, and particularly to a radar housing with an Ethernet connector and a robotic arm for injection molding therefrom. Background Technology

[0002] With the rapid development of autonomous driving, intelligent transportation, and high-end security, radar, as a core environmental perception sensor, faces increasingly higher requirements for functional integration and performance reliability. Modern high-performance radars, especially those with stringent requirements for installation space, weight, and environmental sealing, such as vehicle-mounted radars, drone radars, and industrial sensing radars, face new challenges in interface design. Traditional solutions typically employ a separate interface: a low-voltage wiring harness interface (including power terminals and control signal terminals such as CAN) handles power supply and basic communication, while a separate Ethernet interface (such as 100Mbps / Gigabit Ethernet) is used for high-speed data upload. This design necessitates multiple mounting holes on the radar housing, increasing structural complexity and sealing design difficulty, consuming valuable internal space, and increasing the risk of failure in harsh environments such as vibration, humidity, heat, and salt spray due to multiple sealing points, thus affecting the overall environmental tolerance (IP) rating and long-term reliability.

[0003] At the manufacturing level, to meet the demands of lightweight and large-scale production, these precision structural components are generally injection molded from engineering plastics. When the plastic shell needs to integrate metal inserts, traditional production processes face significant bottlenecks. For simple, homogeneous inserts (such as a set of uniformly sized pins), general-purpose robotic arms or manual placement can be used. Manual operation suffers from low efficiency, poor consistency, and susceptibility to fatigue leading to errors. During high-pressure injection molding, even minute deviations in insert placement can cause uneven filling of the molten plastic, resulting in incomplete coverage, wall thickness differences, and internal stress concentration, ultimately leading to product sealing failure, unreliable electrical connections, and even structural damage during ejection. Furthermore, the precision fisheye terminal arrays inside the shell used to connect to the PCB require extremely high coplanarity and consistency, which traditional methods struggle to guarantee, directly impacting the yield of subsequent circuit board assembly.

[0004] Therefore, two interrelated and prominent problems exist in the existing technology: firstly, in radar housing design, the separate interface scheme has inherent defects such as structural redundancy, numerous sealing points, and low reliability; secondly, in manufacturing, there is a lack of automated equipment capable of efficiently, accurately, and stably placing such complex inserts, making it difficult to achieve high-quality integrated molding and restricting the mass production of high-performance integrated products. To address these problems, this invention designs a radar housing with an Ethernet connector and a robotic arm for injection molding. Summary of the Invention

[0005] The purpose of this invention is to provide a radar housing with an Ethernet connector and a robotic arm for injection molding thereon, which can solve the problems mentioned above, such as structural redundancy, multiple sealing points, low reliability, and inability to efficiently, accurately, and stably complete the automated insert placement process.

[0006] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0007] This invention relates to a radar housing with an Ethernet connector, comprising a housing and a composite interface module. The housing has an internal cavity for accommodating radar circuit components. The composite interface module is disposed on the housing and is used for electrical communication with the radar circuit components. The composite interface module integrates an Ethernet communication interface for data transmission and a low-voltage wiring harness interface for power and signal transmission, and both the Ethernet communication interface and the low-voltage wiring harness interface are electrically connected to the radar circuit components within the internal cavity. This design integrates traditionally separate interfaces into a single composite interface module, greatly simplifying the radar housing structure, reducing the required sealing points, and improving overall sealing reliability and space utilization.

[0008] In a preferred embodiment of the present invention, the composite interface module includes a module body, the internal space of which is divided into a first interface area and a second interface area. Multiple mutually insulated connecting conductors of the low-voltage wiring harness interface are disposed in the first interface area, while the Ethernet communication interface is disposed as an independent connector assembly in the second interface area. This partitioning design achieves physical isolation between the two types of interfaces, avoids signal interference, and facilitates separate assembly and maintenance.

[0009] As a preferred embodiment of the present invention, the Ethernet communication interface is a shielded connector; the shielding layer of the Ethernet communication interface is electrically connected to the grounding structure of the composite interface module or the housing; the low-voltage wiring harness interface includes a pair of differential signal terminals consisting of at least two connecting conductors and at least one pair of power supply terminals for power transmission; the differential signal terminals have chamfers at the bends. Using a shielded connector and grounding connection effectively suppresses electromagnetic interference; the differential signal terminals meet the requirements of high-speed signal transmission; the power supply terminals provide power; the chamfers at the bends not only improve and reduce interference between common-mode signals and differential signals, but also help prevent stress concentration from causing conductor damage.

[0010] In a preferred embodiment of the present invention, the tail of the composite interface module extends into the inner cavity of the housing to form a board-end connector. The board-end connector includes a first set of fisheye terminals corresponding one-to-one with each connecting conductor of the low-voltage wiring harness interface, and a second set of fisheye terminals corresponding one-to-one with each differential signal terminal of the Ethernet communication interface. The fisheye terminals enable crimping connection with the internal PCB board, eliminating the soldering process and improving assembly efficiency and connection reliability.

[0011] As a preferred embodiment of the present invention, two symmetrically arranged support terminals are integrally formed in the inner cavity of the housing on the side away from the composite interface module; the support terminals adopt a fisheye terminal structure; the two support terminals and the fisheye terminal in the board-end connector together constitute a multi-point support structure for supporting the PCB board. The symmetrical support terminals and the board-end connector together form a stable multi-point support, ensuring that the PCB board is installed flat and preventing the board from tilting or having poor solder joints due to unilateral force.

[0012] As a preferred embodiment of the present invention, the housing and the composite interface module adopt an integrated structure. Each connecting conductor of the low-voltage wiring harness electrical interface and each connecting terminal of the Ethernet communication interface in the composite interface module are encapsulated in plastic material as inserts during injection molding, thereby forming the integrated structure. This insert injection molding process integrates the interface module and the housing into a robust whole, eliminating assembly gaps and providing excellent sealing and structural strength.

[0013] A robotic arm for injection molding radar housings with an Ethernet connector includes a robotic arm, a gripping unit, and a movable positioning part.

[0014] The clamping unit is hinged with a set of movable positioning parts; the clamping unit clamps an insert assembly formed by multiple connecting conductors of the low-voltage wire harness interface and the connecting terminals of the Ethernet communication interface through the movable positioning parts; the movable positioning parts are used to guide the insert assembly to slide onto the clamping unit, and to perform front and rear clamping and precise positioning.

[0015] The robotic arm includes a positioning mechanism, a drive mechanism, and a base; the end output flange of the drive mechanism is fixedly installed to the base of the positioning mechanism, the drive mechanism is communicatively connected to the positioning mechanism, and the drive mechanism drives the positioning mechanism to perform three-dimensional spatial movement; the base is fixedly installed on the operating side of the injection mold used for radar housing; the drive mechanism is mounted on the base.

[0016] The positioning mechanism of the robotic arm is equipped with a clamping unit at its end; the robotic arm performs a movement action from coarse positioning to fine positioning on the insert assembly, and places it in a predetermined position in the cavity of the injection mold through the clamping unit.

[0017] The robotic arm utilizes a drive mechanism to achieve large-scale three-dimensional spatial movement and a positioning mechanism to perform end-efficiency fine-tuning, collaboratively completing a high-precision, high-efficiency automated placement operation. The robotic arm is a six-axis design. While the parallel-link grippers in the clamping unit can stably clamp and position the insert assembly on both sides, they cannot effectively handle whether the insert assembly is positioned too far forward or backward within the clamping unit. This can lead to inaccurate positioning and prevent precise and stable placement. Therefore, a movable positioning unit is needed to clamp and precisely position the insert assembly from both the front and back to avoid it falling due to uneven force distribution.

[0018] In a preferred embodiment of the present invention, the clamping unit includes a drive source, a gripper assembly, and a mounting plate. The mounting plate is fixedly mounted to the execution end of the positioning mechanism, and is also fixedly mounted to a motor. The output shaft of the motor is fixedly mounted to the gripper assembly. The drive source is a motor. The mounting plate is rotatably connected to the gripper assembly. The gripper assembly is a parallel-link gripper. A first laser rangefinder for measuring the distance to the surface of the clamped insert assembly is fixedly mounted on the mounting plate. The parallel-link gripper provides a stable clamping force that maintains parallelism. The first laser rangefinder is used to monitor the height position of the insert after clamping in real time, preventing incorrect placement depth due to incomplete clamping or insert deformation.

[0019] The clamping unit has a second laser rangefinder transmitter and receiver fixedly mounted on opposite inner sides of two parallel linkage grippers. The top of the insert assembly has a laser through-hole for the laser emitted by the second laser rangefinder to pass through. The diameter of the laser through-hole depends on the clamping unit's error range for clamping the insert assembly. The second laser rangefinder, by detecting whether the laser passes through the through-hole, forms a non-contact "through-beam" sensor to determine whether the grippers are accurately aligned and clamped in the preset safe position of the insert holder, preventing placement failure or mold damage due to misalignment. Simultaneously, the first laser rangefinder checks the accuracy of the positioning data, but it can only verify the accuracy of the distance between the detected points; it cannot detect whether the orientation of the insert assembly is correct. The second laser rangefinder, based on the data detected by the first laser rangefinder, performs its own detection, ensuring the laser through-hole is precisely positioned, thus determining the correct orientation of the insert assembly.

[0020] The gripper assembly has clearance slots on its inner sides. Two symmetrically distributed pins are fixedly connected to the inner walls of the two clearance slots. Each pin is rotatably engaged with a movable positioning part, and a torsion spring is installed between them. The two clearance slots are located on the left and right sides of the insert assembly, and the two movable positioning parts in each clearance slot are located at the front and rear positions of the insert assembly.

[0021] As a preferred embodiment of the present invention, the movable positioning part includes a guide plate and a positioning block; the guide plate has a mounting hole for rotatable installation on its side; the inner wall of the mounting hole is rotatably engaged with a pin shaft and has an angle sensor installed inside; the guide plate is a bent plate structure, and a positioning block for clamping and positioning is fixedly connected to the bottom of one opposite inner side of each of the two guide plates, and a top-opening guide surface is provided on one opposite inner side of each of the two guide plates; the bending angle range of the bent plate structure is 150°-180°; a pressure sensor is fixedly connected to one opposite inner side of each of the two positioning blocks. Before the parallel linkage jaws of the clamping unit clamp and position the insert assembly: the top of the insert assembly first pushes out the top-opening guide surfaces of the two guide plates, causing them to rotate accordingly until the positioning block abuts against the front and rear positions of the insert assembly; at this time, the parallel linkage jaws of the clamping unit also simultaneously clamp the left and right sides of the insert assembly.

[0022] As a preferred embodiment of the present invention, the insert assembly includes an insert frame; the bottom of the insert frame has several clamping slots, and each clamping slot has at least one clamping opening; each clamping slot of the insert frame clamps multiple connecting conductors of the low-voltage wiring harness interface and the connecting terminals of the Ethernet communication interface; the insert assembly is pulled upwards after the radar housing is injection molded. The insert frame integrates multiple loose, independent inserts into a rigid, integral unit, facilitating stable gripping and placement by a robotic arm in one operation; pulling out the insert frame after injection molding leaves the inserts in the housing, simplifying the process.

[0023] The present invention has the following beneficial effects:

[0024] 1. This invention achieves a high degree of integration of radar interfaces through the integrated design of composite interface modules, which has the advantages of greatly simplifying the housing structure, reducing sealing points, and improving overall sealing reliability and space utilization.

[0025] 2. This invention, through the design of an insert holder integration, dual laser ranging monitoring and precise positioning mechanism on the robotic arm, ensures the quality of injection molding and the high efficiency and consistency of mass production. It has the advantages of efficient, precise and stable automated injection molding process and ensures the correct placement posture. Attached Figure Description

[0026] Figure 1 A schematic diagram of the internal structure of a radar housing with an Ethernet connector provided by the present invention;

[0027] Figure 2 A top view of a radar housing with an Ethernet connector provided by the present invention;

[0028] Figure 3 A front view of the structure of a radar housing with an Ethernet connector provided by the present invention;

[0029] Figure 4 A diagram showing the positional relationship between a radar housing with an Ethernet connector, a first set of fisheye terminals, a second set of fisheye terminals, and an insert frame, provided for this invention.

[0030] Figure 5 A schematic diagram of the internal structure of a radar housing with an Ethernet connector, a first set of fisheye terminals, and a second set of fisheye terminals provided for this invention;

[0031] Figure 6 A schematic diagram of the structure of a radar housing and PCB board with an Ethernet connector provided by the present invention;

[0032] Figure 7 A front perspective view of the insert assembly and the first set of fisheye terminals and the second set of fisheye terminals provided by the present invention;

[0033] Figure 8 A diagram showing the positional relationship between a robotic arm and an injection mold for injection molding a radar housing with an Ethernet connector, provided for this invention.

[0034] Figure 9 This is a schematic diagram of the structure of the clamping unit provided by the present invention;

[0035] Figure 10 A front perspective view of the clamping unit and insert assembly provided by the present invention;

[0036] Figure 11 A front perspective view of the clamping unit and insert assembly, and the movable positioning part provided by the present invention;

[0037] Figure 12 This is a side view of the structure of the movable positioning part of the present invention in the clamping and positioning state;

[0038] Figure 13 This is a side view of the structure of the active positioning part of the present invention in the state before clamping and positioning.

[0039] Explanation of reference numerals in the attached figures:

[0040] 1. Housing; 101. Support terminal; 2. Composite interface module; 201. First interface area; 202. Second interface area; 3. Ethernet communication interface; 301. Second set of fisheye terminals; 4. Low-voltage wiring harness interface; 401. First set of fisheye terminals; 5. Clamping unit; 501. Gripper assembly; 502. Mounting plate; 503. First laser rangefinder; 504. Transmitter; 505. Receiver; 506. Clearance slot; 507. Pin; 6. Movable positioning part; 601. Guide plate; 602. Positioning block; 603. Mounting hole; 604. Top opening guide surface; 7. Insert assembly; 701. Laser through hole; 702. Clamping groove; 703. Clamping slot opening; 8. Injection mold. Detailed Implementation

[0041] The specific embodiments of the present invention will be described in detail below, but it should be understood that the scope of protection of the present invention is not limited to the specific embodiments.

[0042] like Figures 1 to 6 As shown in the figure, an embodiment of the present invention provides a radar housing with an Ethernet connector. The main body is a housing 1 made of engineering plastic. The lower housing of the housing 1 has an internal cavity for mounting components such as the PCB board and processor of the radar core. A composite interface module 2 is integrated on the side wall or end face of the lower housing of the housing 1. The lower housing of the housing 1 and the composite interface module 2 adopt an integrated structure. The lower housing and the upper housing of the housing 1 are sealed together. The connecting conductors of the low-voltage wiring harness electrical interface 4 and the connecting terminals of the Ethernet communication interface 3 in the composite interface module 2 are encased in the plastic material as inserts during injection molding, thus forming an integrated structure. This insert injection molding integrated structure completely eliminates the gaps that may exist in traditional separate assemblies, giving the product excellent structural strength and waterproof and dustproof performance. The composite interface module 2, as the sole hub for connecting the housing 1 to external cables, concentrates all electrical connection requirements here, significantly optimizing the structure of the housing 1 and improving the overall sealing performance.

[0043] Among them, such as Figure 3 As shown, the composite interface module 2 includes a module body, the internal space of which is divided into a first interface area 201 and a second interface area 202. Multiple mutually insulated connecting conductors of the low-voltage wiring harness interface 4 are disposed in the first interface area 201, while the Ethernet communication interface 3 is disposed as a separate connector assembly in the second interface area 202. This partitioned design achieves physical isolation between the two types of interfaces, the Ethernet communication interface 3 and the low-voltage wiring harness interface 4, avoiding signal interference and facilitating separate assembly and maintenance.

[0044] Among them, such as Figure 3As shown, the Ethernet communication interface 3 is a shielded connector; the shielding layer of the Ethernet communication interface 3 is electrically connected to the grounding structure of the composite interface module 2 or the housing 1; the low-voltage wiring harness interface 4 includes a pair of differential signal terminals formed by two connecting conductors and a pair of power supply terminals for power transmission; the differential signal terminals have chamfers at the bends. This grounding connection provides a good electromagnetic shielding path for high-speed Ethernet signals, effectively suppressing external interference and reducing signal radiation; the chamfer design avoids micro-cracks from sharp corners under long-term vibration, thereby improving the mechanical durability of the terminals.

[0045] Among them, such as Figures 1 to 3 As shown, the tail of the composite interface module 2 extends into the inner cavity of the housing 1, forming a board-end connector. The board-end connector includes a first set of fisheye terminals 401 corresponding to each connecting conductor of the low-voltage wiring harness interface 4, and a second set of fisheye terminals 301 corresponding to each differential signal terminal of the Ethernet communication interface 3. A fisheye terminal is a crimp terminal with an elastic opening into which through-holes on the PCB board can be pressed. Retention force and electrical contact are generated by elastic deformation, achieving a reliable connection without soldering.

[0046] Among them, such as Figure 4 As shown, two symmetrically arranged support terminals 101 are integrally formed in the inner cavity of the housing 1 on the side away from the composite interface module 2. The support terminals 101 adopt a fisheye terminal structure. The two support terminals 101 and the fisheye terminals in the board-end connector together form a multi-point support structure for supporting the PCB board. These two support terminals 101 and the two rows of fisheye terminals on the back of the composite interface module 2 form a support plane with at least three points in space, forming a stable 'multi-point support structure', which effectively prevents the PCB board from tilting due to one side being suspended or uneven force, and ensures the contact quality of all crimping points.

[0047] A robotic arm for injection molding radar housings with an Ethernet connector, such as... Figures 7 to 13As shown, the system includes a robotic arm, a gripping unit 5, and movable positioning parts 6. Four movable positioning parts 6 are symmetrically hinged to the gripping unit 5. The gripping unit 5 grips an insert assembly 7 formed by multiple connecting conductors of a low-voltage wiring harness interface 4 and connecting terminals of an Ethernet communication interface 3 via the movable positioning parts 6. The movable positioning parts 6 guide and slide the insert assembly 7 onto the gripping unit 5, performing front-to-back gripping and precise positioning. The robotic arm includes a positioning mechanism, a drive mechanism, and a base. The gripping unit 5 is fixedly mounted at the end of the positioning mechanism. The output flange at the end of the drive mechanism is fixedly mounted to the base of the positioning mechanism. The drive mechanism is communicatively connected to the positioning mechanism, and drives the positioning mechanism to perform three-dimensional... Spatial movement; the base is fixedly installed on the operating side of the injection mold 8 used for radar housing; a drive mechanism is rotatably connected to the base; the robotic arm completes the insertion placement action of the insert assembly 7 from coarse positioning to fine positioning, placing it in the predetermined position of the cavity in the injection mold 8; the drive mechanism 7 in the robotic arm is responsible for quickly moving the clamping unit 5 to the approximate area of ​​the injection mold 8 for coarse positioning, while the positioning mechanism 6 is responsible for fine positioning with millimeter or even micrometer-level precise position adjustment before final placement, and the two work together to achieve high-precision operation; the robotic arm adopts a six-axis robotic arm; the clamping unit 5 clamps and positions the left and right sides of the insert assembly 7; while the movable positioning part 6 clamps and positions the front and rear sides of the insert assembly 7.

[0048] Among them, such as Figures 9 to 10 As shown, the clamping unit 5 includes a drive source, a gripper assembly 501, and a mounting plate 502. The mounting plate 502 is fixedly mounted to the execution end of the positioning mechanism 6, and is also fixedly mounted to a motor. The output shaft of the motor is fixedly mounted to the gripper assembly 501. The drive source is a motor. The mounting plate 502 is rotatably connected to the gripper assembly 501. The gripper assembly 501 uses a parallel linkage gripper. A first laser rangefinder 503 for measuring the distance to the surface of the clamped insert assembly 7 is fixedly mounted on the mounting plate 502. The parallel linkage gripper can maintain the parallelism of the clamping surfaces during opening and closing, ensuring that a uniform clamping force is applied to the workpiece. It is particularly suitable for clamping rigid workpieces that need to maintain their posture.

[0049] Among them, such as Figure 10As shown, the transmitter 504 and receiver 505 of the second laser rangefinder are fixedly mounted on opposite inner sides of the two parallel linkage grippers in the clamping unit 5, respectively; a laser through-hole 701 is provided on the top of the insert assembly 7 for the laser emitted by the second laser rangefinder to pass through; the diameter of the laser through-hole 701 depends on the set error range of the clamping unit 5 for clamping the insert assembly 7. The function of the first laser rangefinder 503 is to measure the height of the top surface of the clamped insert assembly 7 in real time. By comparing it with a preset value, it can immediately determine whether the insert is completely clamped, whether it is tilted, or whether there are foreign objects, serving as the first line of defense for process quality monitoring. The transmitter 504 and receiver 505 of the second laser rangefinder constitute a "photoelectric switch". Only when the gripper assembly 501 of the clamping unit 5 is accurately clamped in the preset position can its laser pass through the laser through hole 701 without obstruction and be detected by the receiver 505, and only then will the system determine that "clamping is in place"; otherwise, if the clamping position is off, the laser will be blocked by the solid part of the insert holder, and the system will immediately alarm and stop operating, thereby preventing serious placement accidents caused by clamping misalignment.

[0050] Among them, such as Figures 11 to 13As shown, the gripper assembly 501 has clearance slots 506 on its opposite inner surfaces. Two symmetrically distributed pins 507 are fixedly connected to the inner walls of the two clearance slots 506. Each pin 507 is rotatably engaged with a movable positioning part 6, and a torsion spring is installed between them. The torsion spring has a low torque coefficient, ensuring that the torque is much less than the frictional resistance during gripping by the clamping unit 5, thus preventing the torque from popping the insert assembly 7 out. When the clamping unit 5 is released, the movable positioning part 6 will slowly and slightly release the insert assembly 7 under the action of its torque, ensuring the stability of the placement position. The two clearance slots 506 are located on the left and right sides of the insert assembly 7, and the two movable positioning parts 6 within each clearance slot 506 are located at the front and rear positions of the insert assembly 7. The movable positioning part 6 includes a guide plate 601 and a positioning block 602; the guide plate 601 has a mounting hole 603 for rotatable installation on its side; the inner wall of the mounting hole 603 is rotatably engaged with the pin 505 and has an angle sensor installed inside; the guide plate 601 is a bent plate structure, and the bottom of each of the two guide plates 601 has a positioning block 602 for clamping and positioning fixedly connected to one of the opposite inner sides, and each of the two guide plates 601 has a top opening guide surface 604; a torsion spring ensures that the top of the top opening guide surfaces 604 of the two guide plates 601 are in contact and abutting position in the initial position; the bending angle range of the guide plate 601 is 150°-180°; a pressure sensor is fixedly connected to one of the opposite inner sides of each of the two positioning blocks 602. Before the parallel linkage grippers of the clamping unit 5 clamp and position the insert assembly 7: the top of the insert assembly 7 first pushes out the opening guide surfaces 604 of the two guide plates 601, causing them to rotate accordingly until the positioning block 602 abuts against the front and rear positions of the insert assembly 7; at this time, the parallel linkage grippers of the clamping unit 5 also simultaneously complete the clamping of the left and right sides of the insert assembly 7; the function of the pressure sensor is to detect that the clamping force is within a safe range; the function of the angle sensor is to comprehensively judge the positioning accuracy by detecting the rotation angle data and combining it with the data detected by the first laser rangefinder; that is, the data information of both must be within their set range, otherwise the position will be judged to be incorrect.

[0051] Among them, such as Figure 7As shown, the insert assembly 7 includes an insert frame; the bottom of the insert frame has ten clamping slots 702, and each clamping slot 702 has one or two clamping openings 703; each clamping slot 702 of the insert frame clamps and squeezes multiple connecting conductors of the low-voltage wiring harness interface 4 and the connecting terminals of the Ethernet communication interface 3; the insert assembly 7 is pulled upward after the radar housing is injection molded. The design of the insert frame integrates two small, easily deformable independent inserts into a rigid, easily gripped standardized unit, greatly simplifying the difficulty of gripping by the robotic arm, ensuring the accuracy of the relative positions between all inserts, and also ensuring the quality of the product after injection molding.

[0052] The above-disclosed embodiments are merely a few specific examples of the present invention. However, the embodiments of the present invention are not limited thereto, and any variations that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A radar housing with an Ethernet connector, characterized in that, include: The housing (1) has an internal cavity formed therein for accommodating radar circuit components; A composite interface module (2) is disposed on the housing (1) and is used to make electrical connections with the radar circuit assembly; The composite interface module (2) integrates an Ethernet communication interface (3) for data transmission and a low-voltage wiring harness interface (4) for power and signal transmission. Both the Ethernet communication interface (3) and the low-voltage wiring harness interface (4) are electrically connected to the radar circuit assembly in the cavity.

2. The radar housing with an Ethernet connector as described in claim 1, characterized in that, The composite interface module (2) includes a module body, the internal space of which is divided into a first interface area (201) and a second interface area (202); a plurality of mutually insulated connecting conductors of the low-voltage harness interface (4) are disposed in the first interface area (201), and the Ethernet communication interface (3) is disposed as an independent connector assembly in the second interface area (202).

3. A radar housing with an Ethernet connector as described in claim 2, characterized in that, The Ethernet communication interface (3) is a shielded connector; the shielding layer of the Ethernet communication interface (3) is electrically connected to the grounding structure of the composite interface module (2) or the housing (1); the low-voltage harness interface (4) includes a pair of differential signal terminals consisting of at least two connecting conductors and at least one pair of power terminals for power transmission; the differential signal terminals are chamfered at the bends.

4. A radar housing with an Ethernet connector as described in claim 2, characterized in that, The tail of the composite interface module (2) extends into the inner cavity of the housing (1) to form a board-end connector; the board-end connector includes a first set of fisheye terminals (401) corresponding one-to-one with each connecting conductor of the low-voltage wire harness interface (4), and a second set of fisheye terminals (301) corresponding one-to-one with each differential signal terminal of the Ethernet communication interface (3).

5. A radar housing with an Ethernet connector as described in claim 4, characterized in that, Two symmetrically arranged support terminals (101) are integrally formed in the inner cavity of the housing (1) on the side away from the composite interface module (2); the support terminals (101) adopt a fisheye terminal structure; the two support terminals (101) together with the fisheye terminal in the board end connector constitute a multi-point support structure for supporting the PCB board.

6. A radar housing with an Ethernet connector as described in claim 1, characterized in that, The housing (1) and the composite interface module (2) adopt an integrated structure; each connecting conductor of the low-voltage wire harness electrical interface (4) in the composite interface module (2) and each connecting terminal of the Ethernet communication interface (3) are encased in plastic material as inserts during injection molding, thereby forming the integrated structure.

7. A robotic arm for injection molding a radar housing with an Ethernet connector as described in any one of claims 1-6, comprising a robotic arm, characterized in that, It also includes a clamping unit (5) and a movable positioning part (6); A set of movable positioning parts (6) is hinged to the clamping unit (5); the clamping unit (5) clamps the insert set (7) formed by multiple connecting conductors of the low voltage wire harness interface (4) and the connecting terminals of the Ethernet communication interface (3) through the movable positioning parts (6). The active positioning part (6) is used to guide the insert assembly (7) to slide onto the clamping unit (5) and perform front and rear clamping and precise positioning; The robotic arm is equipped with a clamping unit (5) at its end of execution; the robotic arm performs a movement action from coarse positioning to fine positioning on the insert assembly (7), and places it in a predetermined position in the cavity of the injection mold (8) through the clamping unit (5).

8. The robotic arm for injection molding a radar housing with an Ethernet connector as described in claim 7, characterized in that, The clamping unit (5) includes a drive source, a gripper assembly (501), and a mounting plate (502); the mounting plate (502) is fixedly mounted to the end effector of the robotic arm, the mounting plate (502) is fixedly mounted to a motor, and the output shaft of the motor is fixedly mounted to the gripper assembly (501); the drive source is a motor; the mounting plate (502) is rotatably connected to the gripper assembly (501); the gripper assembly (501) is a parallel linkage gripper; a first laser rangefinder (503) for measuring the distance of the surface of the clamped insert assembly (7) is fixedly mounted on the mounting plate (502). The transmitter (504) and receiver (505) of the second laser rangefinder are respectively fixedly installed on the inner sides of the two parallel linkage grippers in the clamping unit (5); the top of the insert assembly (7) is provided with a laser through hole (701) for the laser emitted by the second laser rangefinder to pass through; the size of the diameter of the laser through hole (701) depends on the setting error range of the clamping unit (5) for clamping the insert assembly (7); The gripper assembly (501) has a clearance slot (506) on one of its opposite inner sides. The inner walls of the two clearance slots (506) are fixedly connected to two symmetrically distributed pins (507). Each pin (507) is rotatably engaged with a movable positioning part (6), and a torsion spring is installed between the two.

9. The robotic arm for injection molding a radar housing with an Ethernet connector as described in claim 8, characterized in that, The movable positioning part (6) includes a guide plate (601) and a positioning block (602); the guide plate (601) has a mounting hole (603) for rotatable installation on its side; the inner wall of the mounting hole (603) is rotatably engaged with the pin (505) and has an angle sensor installed inside; the guide plate (601) is a bent plate structure, and the bottom of one opposite inner side of each of the two guide plates (601) is fixedly connected with a positioning block (602) for clamping and positioning, and one opposite inner side of each of the two guide plates (601) has a top opening guide surface (604). The guide plate (601) has a bending angle range of 150°-180°. Pressure sensors are fixedly connected to one of the opposing inner surfaces of the two positioning blocks (602).

10. The robotic arm for injection molding a radar housing with an Ethernet connector as described in claim 7, characterized in that, The insert assembly (7) includes an insert frame; the bottom of the insert frame has a plurality of clamping slots (702), and at least one clamping slot opening (703) is opened in the clamping slot (702); each clamping slot (702) of the insert frame clamps a plurality of connecting conductors of the low voltage harness interface (4) and the connecting terminal of the Ethernet communication interface (3); the insert assembly (7) is pulled out upward after the radar housing is injection molded.

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