Millimeter wave radar assembly

Abstract

The utility model discloses a millimeter wave radar assembly which comprises a millimeter wave radar body and an installation structure used for adjusting the millimeter wave radar body. The first servo motor and the second servo motor are fixedly mounted on the two sides of the top of the mounting plate, and the central axes of output shafts of the two sets of servo motors are coaxially designed; the worm is in transmission connection with an output shaft of the servo motor II through a coupling; the main support is fixedly connected with an output shaft of the first servo motor, and the main support is in running fit with an output shaft of the second servo motor. According to the utility model, a mechanical structure is driven by the servo motor, and accurate adjustment of the millimeter wave radar on multiple degrees of freedom such as a pitch angle, a side slip angle and a plane direction can be realized, so that the radar beam is enabled to be aligned with a region required to be detected, and the detection precision and the system reliability are improved.

Description

Technical Field

[0001] This utility model relates to the field of millimeter-wave radar technology, and in particular to a millimeter-wave radar component. Background Technology

[0002] Millimeter-wave radar transmits electromagnetic waves in the millimeter-wave frequency band and receives the electromagnetic waves reflected back from the target object, thereby obtaining information such as the target's distance, speed, and angle. This data has important applications in systems such as autonomous driving, collision warning, and adaptive cruise control, which is why more and more cars are being equipped with millimeter-wave radar as an onboard sensing device.

[0003] Currently, millimeter-wave radar is typically mounted on a car bumper using a bracket. However, existing mounting methods have shortcomings in terms of angle adjustment. After installation, it is difficult to make precise and rapid angle adjustments, and even after adjustment, it is difficult to achieve stable positioning, affecting its working performance and reliability. Utility Model Content

[0004] The purpose of this utility model is to provide a millimeter-wave radar component in order to solve the technical problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A millimeter-wave radar assembly includes a millimeter-wave radar body and a mounting structure for adjusting the millimeter-wave radar body, the mounting structure comprising:

[0007] Mounting plate;

[0008] Servo motor one and servo motor two are fixedly installed on the top two sides of the mounting plate, and the central axes of the output shafts of the two servo motors are designed to be coaxial.

[0009] The worm gear is connected to the output shaft of the second servo motor via a coupling.

[0010] The main support is fixedly connected to the output shaft of servo motor one, and the main support is rotatably connected to the output shaft of servo motor two.

[0011] The worm gear is rotatably mounted on the main support and meshes with the worm.

[0012] The rotating plate is used to fix the millimeter-wave radar body, and the rotating plate rotates in conjunction with the main support.

[0013] The millimeter-wave radar body includes a radio frequency chip, a microstrip line, and an antenna that are electrically connected in sequence.

[0014] As a further description of the above technical solution:

[0015] The main support includes:

[0016] Flat support;

[0017] Side bracket 1 is fixedly arranged on both sides of the flat bracket along the worm gear axis. The two sets of side bracket 1 are respectively connected to the output shafts of servo motor 1 and servo motor 2.

[0018] Side bracket two is fixedly arranged on both sides of the flat bracket along the worm gear axis;

[0019] Side support three is movably arranged on both sides of the flat support along the worm gear axis.

[0020] As a further description of the above technical solution:

[0021] The mounting plate has fixed plates on both sides of its top, located below the flat bracket. The two ends of the worm gear are rotatably mounted on the fixed plates via bearings.

[0022] As a further description of the above technical solution:

[0023] A rotating shaft is rotatably installed between the two sets of side supports, and the worm gear is fixedly sleeved on the rotating shaft.

[0024] As a further description of the above technical solution:

[0025] The two sets of side brackets are rotatably sleeved on both ends of the rotating shaft. The top of the two sets of side brackets is fixedly connected to a fixed seat. A servo motor is fixedly installed inside the fixed seat. The rotating plate is fixedly connected to the output shaft of the servo motor.

[0026] As a further description of the above technical solution:

[0027] The rotating plate is provided with a number of waist-shaped holes arranged in a ring array for mounting the millimeter-wave radar body.

[0028] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0029] 1. In this utility model, the mounting structure is used to fix and adjust the spatial position of the millimeter-wave radar body. It typically includes components such as a bracket, a worm gear mechanism, and a servo motor. By driving the mechanical structure with the servo motor, the millimeter-wave radar can be precisely adjusted in multiple degrees of freedom, such as elevation angle, side slip angle, and plane pointing, thereby ensuring that the radar beam is aligned with the required detection area and improving detection accuracy and system reliability.

[0030] 2. In this utility model, the millimeter-wave radar component generates millimeter-wave signals through a radio frequency chip, transmits them to the antenna via a microstrip line, and then receives and processes the target reflection signal to complete the perception of the target. Attached Figure Description

[0031] Figure 1 A schematic diagram of the installation structure of a millimeter-wave radar assembly according to an embodiment of the present invention is shown;

[0032] Figure 2 A schematic diagram of the connection structure of the main support according to an embodiment of the present utility model is shown;

[0033] Figure 3 A schematic diagram of the internal structure of the fixing base provided according to an embodiment of the present utility model is shown;

[0034] Figure 4 A schematic diagram of the structure of a millimeter-wave radar body provided according to an embodiment of the present invention is shown.

[0035] Legend:

[0036] 1. Mounting plate; 2. Fixing plate; 3. Servo motor one; 4. Servo motor two; 5. Worm gear; 6. Main bracket; 61. Flat bracket; 62. Side bracket one; 63. Side bracket two; 64. Side bracket three; 7. Fixing base; 8. Rotating plate; 801. Waist-shaped hole; 9. Rotating shaft; 10. Worm gear; 11. Servo motor three; 12. RF chip; 13. Microstrip line; 14. Antenna. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0038] Please see Figure 1-4 This utility model provides a technical solution: a millimeter-wave radar component, including a millimeter-wave radar body, which includes a radio frequency chip 12, a microstrip line 13, and an antenna 14 connected in sequence. The radio frequency chip 12 generates a high-frequency millimeter-wave signal (typically in the 24GHz, 76GHz, or 79GHz frequency band), which is transmitted to the antenna 14 through the microstrip line 13. The antenna 14 converts the electrical signal into an electromagnetic wave and transmits it in a specific direction in space. The transmitted millimeter wave is reflected back after encountering a target object. The antenna 14 receives these reflected waves and converts them back into electrical signals. The received signals are then transmitted back to the radio frequency chip 12 through the microstrip line 13. The radio frequency chip 12 mixes, amplifies, and processes the received signals to extract information such as the target's distance, speed, and angle. After internal signal processing, the radar outputs the target information to the vehicle control system, which uses this information to implement functions such as adaptive cruise control, automatic braking, and blind spot monitoring.

[0039] Specifically, such as Figure 1-3 As shown, it also includes an installation structure for adjusting the millimeter-wave radar body. The installation structure includes: a mounting plate 1 fixed to the car bumper by bolts; servo motor 3 and servo motor 4 fixedly installed on the top sides of the mounting plate 1; the output shafts of servo motor 3 and servo motor 4 are coaxial; a fixing plate 2 located below the flat bracket 61 is fixedly connected to the top sides of the mounting plate 1; the two ends of the worm gear 5 are rotatably mounted on the fixing plate 2 through bearings; the worm gear 5 is connected to the output shaft of servo motor 4 through a coupling; and side brackets 62 are fixedly arranged on both sides of the flat bracket 61 along the axial direction of the worm gear 5. The two sets of side brackets 62 are respectively connected to servo motor 3 and servo motor 4. The output shaft of the second servo motor 4 is connected. The second side bracket 63 is fixedly arranged on both sides of the flat bracket 61 along the axial direction of the worm wheel 10. The third side bracket 64 is movably arranged on both sides of the flat bracket 61 along the axial direction of the worm wheel 10. A rotating shaft 9 is rotatably installed between the two sets of second side brackets 63. The worm wheel 10 is fixedly sleeved on the rotating shaft 9. The worm wheel 10 is meshed with the worm 5. The two sets of third side brackets 64 are rotatably sleeved at both ends of the rotating shaft 9. A fixed seat 7 is fixedly connected to the top of the two sets of third side brackets 64. The third servo motor 11 is fixedly installed in the fixed seat 7. The rotating plate 8 is fixedly connected to the output shaft of the third servo motor 11. Several waist-shaped holes 801 for installing the millimeter-wave radar body are arranged in a ring array on the rotating plate 8. The servo motor 3 drives the side bracket 62 to rotate the worm gear 10 and all structures on the fixed base 7 around the axis of the worm 5, adjusting the pitch angle of the millimeter-wave radar body in the vertical direction and controlling the radar's vertical detection range. The servo motor 4 drives the worm 5 to rotate, which in turn drives the worm gear 10 to rotate the shaft 9, the side bracket 64, and all structures on the fixed base 7 around the axis of the shaft 9, adjusting the lateral angle of the millimeter-wave radar body in the horizontal plane to adapt to the target detection requirements in different orientations. The servo motor 11 drives the rotating plate 8 to rotate, adjusting the plane pointing angle of the millimeter-wave radar body in the horizontal plane to calibrate the radar detection direction. Through the synergistic effect of the above three adjustment methods, this device can achieve precise angle adjustment of the millimeter-wave radar body in multiple degrees of freedom in three-dimensional space, ensuring that the radar has the best detection attitude and measurement accuracy, meeting the high-precision positioning requirements of radar installation angle in applications such as autonomous driving, environmental perception, and target recognition.

[0040] Working principle: When in use, start the servo motor 3 to drive the side bracket 62 to move, which in turn drives the worm gear 10 and the overall structure on the fixed seat 7 to rotate around the axis of the worm 5, thereby realizing the adjustment of the pitch angle of the millimeter-wave radar body in the vertical direction and controlling the radar's vertical detection range.

[0041] Start the servo motor 4 to drive the worm gear 5 to rotate. The worm gear 5 drives the worm wheel 10 to rotate, which in turn drives the rotating shaft 9, the side support 64, and all the structures on the fixed seat 7 to rotate around the axis of the rotating shaft 9, so as to realize the lateral angle adjustment of the millimeter-wave radar in the horizontal plane, so that it can adapt to the target detection requirements of different directions.

[0042] Start the servo motor 311 to drive the rotating plate 8 to rotate, thereby adjusting the plane pointing angle of the millimeter-wave radar body on the horizontal plane and realizing the calibration of the radar detection direction.

[0043] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A millimeter-wave radar assembly, comprising a millimeter-wave radar body and a mounting structure for adjusting the millimeter-wave radar body, characterized in that, The mounting structure includes: Mounting plate (1); Servo motor 1 (3) and servo motor 2 (4) are fixedly installed on the top two sides of the mounting plate (1), and the central axis of the output shafts of the two servo motors is designed to be coaxial. The worm gear (5) is connected to the output shaft of the servo motor (4) via a coupling. The main support (6) is fixedly connected to the output shaft of the first servo motor (3), and the main support (6) is rotatably connected to the output shaft of the second servo motor (4). The worm gear (10) is rotatably mounted on the main support (6), and the worm gear (10) is meshed with the worm (5); Rotating plate (8) is used to fix the millimeter-wave radar body. Rotating plate (8) is rotatably engaged with main support (6). The millimeter-wave radar body includes a radio frequency chip (12), a microstrip line (13), and an antenna (14) that are electrically connected in sequence.

2. A millimeter-wave radar component according to claim 1, characterized in that, The main support (6) includes: Flat support (61); Side bracket 1 (62) is fixedly arranged on both sides of flat bracket (61) along the axial direction of worm (5). The two sets of side bracket 1 (62) are respectively connected to the output shaft of servo motor 1 (3) and servo motor 2 (4). Side bracket two (63) is fixedly arranged on both sides of the flat bracket (61) along the axial direction of the worm gear (10); Side support three (64) is movably arranged on both sides of flat support (61) along the worm gear (10).

3. A millimeter-wave radar component according to claim 2, characterized in that, The mounting plate (1) has a fixed plate (2) fixedly connected to the top two sides of the plate, which is located below the flat bracket (61). The two ends of the worm (5) are rotatably mounted on the fixed plate (2) through bearings.

4. A millimeter-wave radar component according to claim 3, characterized in that, A rotating shaft (9) is rotatably installed between the two sets of side brackets (63), and the worm gear (10) is fixedly sleeved on the rotating shaft (9).

5. A millimeter-wave radar component according to claim 4, characterized in that, The two sets of side brackets (64) are rotatably sleeved on both ends of the rotating shaft (9). The top of the two sets of side brackets (64) is fixedly connected to a fixed seat (7). A servo motor (11) is fixedly installed inside the fixed seat (7). The rotating plate (8) is fixedly connected to the output shaft of the servo motor (11).

6. A millimeter-wave radar component according to claim 5, characterized in that, The rotating plate (8) is provided with a number of waist-shaped holes (801) arranged in a ring array for mounting the millimeter-wave radar body.

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