CN-224203412-U - Millimeter wave radar assembly

CN224203412UCN 224203412 UCN224203412 UCN 224203412UCN-224203412-U

Abstract

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

Inventors

WANG GANG
ZHENG JIANCHAO
TANG HUIQIONG
YOU XUEQIANG
TANG CHENGLI
XIE ZHIWEN
YANG ZONGHAN

Assignees

珠海中科慧智科技有限公司

Dates

Publication Date: 20260505
Application Date: 20250519

Claims (6)

1. A millimeter wave radar assembly comprising a millimeter wave radar body, and a mounting structure for adjusting the millimeter wave radar body, the mounting structure comprising: a mounting plate (1); The servo motors I (3) and II (4) are fixedly arranged on two sides of the top of the mounting plate (1), and the central axes of the output shafts of the two groups of servo motors are designed coaxially; the worm (5) is in transmission connection with an output shaft of the second servo motor (4) through a coupler; The main bracket (6) is fixedly connected with the output shaft of the first servo motor (3), and the main bracket (6) is in running fit with the output shaft of the second servo motor (4); The worm wheel (10) is rotatably arranged on the main bracket (6), and the worm wheel (10) is in meshed connection with the worm (5); the rotating plate (8) is used for fixing the millimeter wave radar body, and the rotating plate (8) is in rotating fit with the main support (6); The millimeter wave radar body comprises a radio frequency chip (12), a microstrip line (13) and an antenna (14) which are electrically connected in sequence.
2. A millimeter wave radar assembly according to claim 1, characterized in that said main support (6) comprises: A flat bracket (61); The first side brackets (62) are fixedly arranged at two sides of the flat bracket (61) along the axial direction of the worm (5), and the two groups of first side brackets (62) are respectively connected with output shafts of the first servo motor (3) and the second servo motor (4); The second side bracket (63) is fixedly arranged at two sides of the flat bracket (61) along the axial direction of the worm wheel (10); and the side brackets III (64) are movably arranged on two sides of the flat bracket (61) along the axial direction of the worm wheel (10).
3. The millimeter wave radar assembly according to claim 2, wherein two sides of the top of the mounting plate (1) are fixedly connected with a fixing plate (2) located below Ping Zhijia (61), and two ends of the worm (5) are rotatably mounted on the fixing plate (2) through bearings.
4. A millimeter wave radar assembly according to claim 3, characterized in that a rotating shaft (9) is rotatably mounted between two sets of the side brackets (63), and the worm wheel (10) is fixedly sleeved on the rotating shaft (9).
5. The millimeter wave radar assembly according to claim 4, wherein two groups of side brackets (64) are rotatably sleeved at two ends of the rotating shaft (9), the top ends of the two groups of side brackets (64) are fixedly connected with a fixing seat (7), a servo motor (11) is fixedly installed in the fixing seat (7), and the rotating plate (8) is fixedly connected with an output shaft of the servo motor (11).
6. The millimeter wave radar assembly according to claim 5, characterized in that the rotating plate (8) is provided with a plurality of kidney-shaped holes (801) for installing the millimeter wave radar body in an annular array.

Description

Millimeter wave radar assembly Technical Field The utility model relates to the technical field of millimeter wave radars, in particular to a millimeter wave radar component. Background The millimeter wave radar obtains information such as distance, speed and angle of a target by transmitting electromagnetic waves in a millimeter wave frequency band and receiving the electromagnetic waves reflected by the target object. These data have important applications in systems such as autopilot, collision warning, adaptive cruise control, etc., so more and more automobiles are beginning to be equipped with millimeter wave radar as an on-board sensing device. Currently, millimeter wave radars are typically mounted on an automobile bumper by brackets. However, the existing installation mode has the defects in angle adjustment, the radar is not easy to accurately and rapidly adjust the angle after being installed, and meanwhile, stable positioning is difficult to realize after adjustment, so that the working performance and reliability of the radar are affected. Disclosure of utility model The utility model aims to solve the technical problems in the background art and provides a millimeter wave radar component. In order to achieve the above purpose, the present utility model adopts the following technical scheme: A millimeter wave radar assembly comprising a millimeter wave radar body, and a mounting structure for adjusting the millimeter wave radar body, the mounting structure comprising: A mounting plate; the first servo motor and the second servo motor are fixedly arranged on two sides of the top of the mounting plate, and the central axes of the output shafts of the two groups of servo motors are coaxially designed; the worm is in transmission connection with an output shaft of the second servo motor through a coupler; The main bracket is fixedly connected with the output shaft of the first servo motor and is in running fit with the output shaft of the second servo motor; the worm wheel is rotatably arranged on the main bracket and is in meshed connection with the worm; the rotating plate is used for fixing the millimeter wave radar body and is in rotating fit with the main support; the millimeter wave radar body comprises a radio frequency chip, a microstrip line and an antenna which are electrically connected in sequence. As a further description of the above technical solution: the main support includes: a flat bracket; The first side brackets are fixedly arranged at two sides of the flat bracket along the axial direction of the worm, and the first side brackets are respectively connected with output shafts of the first servo motor and the second servo motor; the second side bracket is fixedly arranged at two sides of the flat bracket along the axial direction of the worm wheel; and the side brackets are movably arranged at two sides of the flat bracket along the axial direction of the worm wheel. As a further description of the above technical solution: the fixed plate is fixedly connected with the two sides of the top of the mounting plate and is positioned below the flat bracket, and the two ends of the worm are rotatably mounted on the fixed plate through bearings. As a further description of the above technical solution: And a rotating shaft is rotatably arranged between the two groups of side brackets II, and the worm wheel is fixedly sleeved on the rotating shaft. As a further description of the above technical solution: the three rotation sleeves of the two groups of side brackets are arranged at two ends of the rotating shaft, the two groups of three top ends of the side brackets are fixedly connected with fixing seats, a servo motor III is fixedly installed in the fixing seats, and the rotating plate is fixedly connected with an output shaft of the servo motor III. As a further description of the above technical solution: And a plurality of kidney-shaped holes for installing the millimeter wave radar body are distributed on the rotating plate in an annular array. In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows: 1. In the utility model, the mounting structure is used for fixing and adjusting the space position of the millimeter wave radar body and generally comprises a bracket, a worm gear mechanism, a servo motor and other components, and the precise adjustment of the millimeter wave radar on a plurality of degrees of freedom such as pitch angle, slip angle, plane direction and the like can be realized by driving the mechanical structure through the servo motor, so that the radar beam is ensured to be aligned to a required detection area, and the detection precision and the system reliability are improved. 2. In the utility model, the millimeter wave radar component generates millimeter wave signals through the radio frequency chip, transmits the millimeter wave signals to the antenna through the microstrip line for transmitting, rec