A damping structure of a laser radar motor, a laser radar motor and a vehicle

Abstract

The application discloses a damping structure of a laser radar motor, the laser radar motor and a vehicle. The damping structure comprises a motor assembly, the gravity center of the motor assembly is distributed on the geometric center of the motor assembly, and at least three mounting reference points are uniformly arranged on the outer peripheral wall of the motor assembly in the circumferential direction. The damping structure further comprises a damping assembly, the damping assembly comprises at least three dampers, and the dampers are arranged on the at least three mounting reference points in one-to-one correspondence. The balanced motor assembly and the damping assembly provide damping effects in X, Y and Z axial directions, so that the energy transmission of noise and vibration generated by the laser radar motor during operation is weakened, and the driving experience of a driver or a passenger is improved. The structure is simple, and the design cost is low.

Description

Technical Field

[0001] This invention relates to the field of lidar motor technology, specifically to a vibration reduction structure for a lidar motor, a lidar motor, and a vehicle. Background Technology

[0002] LiDAR motors generate continuous vibrations during operation, and this vibrational energy is transmitted through the radar to the vehicle body, and ultimately to the driver's ears. The combined effect of this noise and vibration (NVH) significantly impacts the driving experience. Therefore, there is an urgent need to design a vibration damping structure for LiDAR motors to address these issues and improve the driving experience. Summary of the Invention

[0003] To address the aforementioned technical problems, the purpose of this invention is to provide a vibration reduction structure for a lidar motor, a lidar motor, and a vehicle, thereby solving the problem that existing lidar motors generate vibration and noise during operation, affecting the driving experience of passengers.

[0004] The technical solution of this invention is:

[0005] One object of the present invention is to provide a vibration reduction structure for a lidar motor, comprising:

[0006] The motor assembly has its center of gravity distributed at its geometric center, and at least three mounting references are evenly provided circumferentially on the outer peripheral wall of the motor assembly.

[0007] The vibration damping assembly includes at least three vibration dampers, which are respectively installed on the at least three mounting references.

[0008] Optionally, the mounting reference is a support mechanism that extends radially outward along the motor assembly, and a fixing recess is provided on the outer side wall of the shock absorber for fixing the outer end of the support mechanism.

[0009] Optionally, the motor assembly has an inverted frustum shape and an isosceles trapezoidal longitudinal section.

[0010] Optionally, the support mechanism and the motor assembly are an integral structure.

[0011] Optionally, the upper surface of the mounting reference is implemented as the mounting reference surface, and the center of gravity of the motor assembly is lower than the mounting reference surface.

[0012] Optionally, it also includes a fixing component, which includes at least three fixing members, each corresponding to one of the at least three vibration dampers. The vibration damping structure is adapted to be fixedly installed on the housing of the lidar motor by the fixing component.

[0013] Another object of the present invention is to provide a lidar motor, including a housing and a vibration damping structure disposed within the housing, wherein the vibration damping structure is any of the vibration damping structures described above.

[0014] Optionally, the housing is provided with a fixing part that corresponds one-to-one with the at least three dampers of the vibration damping structure, and the vibration damping structure is adapted to be installed on the fixing part.

[0015] Optionally, the fixing part is a positioning post provided in the housing, and a plurality of positioning posts surround a cavity in the middle to accommodate the motor assembly that accommodates the vibration damping structure.

[0016] Another object of the present invention is to provide a vehicle including the aforementioned lidar motor.

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] 1. The vibration reduction structure of the lidar motor of the present invention provides a damping effect in the X, Y, and Z axes by utilizing balanced motor components and vibration reduction components. This reduces the noise and energy transmission of vibration generated by the lidar motor during operation, thereby improving the driving experience for passengers. The structure is simple and the design cost is low. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 This is a longitudinal cross-sectional view of the vibration reduction structure of the lidar motor according to an embodiment of the present invention (the upper housing is omitted).

[0021] Figure 2 This is a top view of the vibration reduction structure of the lidar motor according to an embodiment of the present invention (the upper housing is omitted).

[0022] Among them: 1. Motor assembly; 2. Mounting reference; 21. Mounting reference surface; 3. Vibration damper; 4. Fixing component; 5. Housing; 51. Fixing part; COG, Center of gravity. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments and the accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of the invention. Furthermore, descriptions of well-known structures and techniques are omitted in the following description to avoid unnecessarily obscuring the concept of the invention.

[0024] Example:

[0025] See Figures 1 to 2 The vibration damping structure of the lidar motor according to this embodiment of the invention includes a motor assembly 1, a vibration damping component, and a fixing component. The center of gravity of the motor assembly 1 is distributed at its geometric center, and at least three mounting references 2 are uniformly arranged circumferentially on the outer peripheral wall of the motor assembly 1. The vibration damping component includes at least three vibration dampers 3, which are correspondingly disposed on the at least three mounting references 2. The fixing component includes at least three fixing members 4, which correspond one-to-one with the at least three vibration dampers 3, for fixing the entire vibration damping structure within the housing 5 of the lidar motor. In this embodiment, the vibration damping structure is preferably fixedly installed within the lower housing 5 of the lidar motor housing 5.

[0026] The vibration reduction structure in this embodiment utilizes a balanced motor assembly 1 and a vibration damping assembly to provide damping effects in the X, Y, and Z axes. This reduces or filters the energy transmission of noise and vibration generated by the lidar motor during operation, thereby improving the driving experience for passengers. The structure is simple and has low design costs.

[0027] Specifically, such as Figure 1 and Figure 2 As shown, the mounting base includes three mounting references 2, which are support mechanisms extending radially outward along the motor assembly 1. The three mounting references 2 have the same length, width, and thickness, and their mounting reference surfaces 21 are on the same horizontal plane. The support mechanism is plate-shaped, with its upper surface designated as the mounting reference surface 21. In a preferred embodiment, the support mechanism and the outer peripheral wall of the motor assembly 1 are integrally formed. This provides high structural strength and ease of manufacturing. Alternatively, the support structure and the motor assembly 1 can be separate structures, such as by insertion and fastening with fasteners, threaded connections, or welding.

[0028] like Figure 1 As shown, the motor assembly 1 in this embodiment is shaped like an inverted frustum, with an isosceles trapezoidal longitudinal cross-section. This design ensures that its center of gravity falls at its geometric center. By placing the center of gravity at the geometric center, the rotational torque of the motor assembly 1 is directed along the central portion, effectively preventing vibration during motor operation. Those skilled in the art can achieve this center of gravity distribution at the geometric center through dynamic balancing, such as laser weight reduction or other weight reduction methods well-known in the art.

[0029] According to some embodiments of the present invention, the center of gravity of the motor assembly 1 is lower than the mounting reference plane 21, that is... Figure 1 The upper surface of mounting reference 2 is shown. This design, similar to the structure of a roly-poly toy, makes the motor assembly 1 more stable and effectively prevents it from wobbling during operation.

[0030] For the fixing components, this embodiment includes at least three fixing members 4, and screws are preferably used for the fixing members 4. Correspondingly, the vibration damper 3 has mounting holes for the fixing members 4, such as screws, to pass through vertically. The structure of the vibration damper 3 is not described in detail or limited here, and can be a conventional vibration damper 3 structure available on the market. It should be noted that the vibration damper 3 in this embodiment has a hollow interior to form a cylindrical structure for the fixing members 4 to pass through. A fixing recess (not shown) is provided on the outer wall of the vibration damper 3 for the outer end of the support mechanism to be inserted or snapped in place. The fixing recess is a U-shaped groove that matches the shape of the support mechanism. That is, the upper and lower walls of the groove are the upper limit surface and the lower limit surface, respectively. During installation, the mounting reference surface 21 and the upper limit surface are in contact, and the lower limit surface is in contact with the lower surface of the mounting reference 2, thereby effectively providing damping effect in the Z-axis direction of the motor assembly 1 during operation.

[0031] The number of mounting base 2, vibration damper 3, and fixing component 4 is not particularly limited here. Considering structural stability and cost, this embodiment preferably uses three. The three vibration dampers 3 and three support mechanisms work together to form a stable triangular structure, which can effectively improve the damping effect of the motor assembly 1 in the X and Y axes during operation. Of course, more than three components can also be used, such as four or five, etc. Those skilled in the art can choose the design according to actual needs.

[0032] This invention also provides a lidar motor, including a housing 5 and the vibration damping structure described in the above embodiments. Since it includes the vibration damping structure described in the above embodiments, it at least possesses the beneficial effects of the vibration damping structure described in the above embodiments, which will not be elaborated further.

[0033] Specifically, the housing 5 is composed of a mating upper housing 5 and a lower housing 5, both of which are square frame structures with an opening at one end. In this embodiment, the vibration damping structure is installed inside the lower housing 5. To facilitate the installation and fixing of the vibration damping structure, a fixing part 51 corresponding to at least three vibration dampers of the vibration damping assembly is provided on the inner bottom wall of the lower housing 5. In this embodiment, as shown... Figure 1 As shown, the fixing part 51 is a positioning post that protrudes upward, and a connecting hole is opened in the middle of the top of the positioning post for connecting to the corresponding fixing part 4. The multiple positioning posts surround and form a cavity for accommodating the motor assembly 1 with vibration damping structure. It should be noted that there is a gap between the outer wall of the motor assembly 1 and the positioning post, and they are not fitted together.

[0034] This invention also provides a vehicle that includes the lidar motor described in the above embodiments. Since it includes the lidar motor described in the above embodiments, it at least possesses the beneficial effects of the lidar motor described in the above embodiments, which will not be elaborated further.

[0035] It should be understood that the specific embodiments described above are merely illustrative or explanatory of the principles of the invention and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of the invention should be included within the protection scope of the invention. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A vibration reduction structure for a lidar motor, characterized in that, include: The motor assembly (1) has its center of gravity distributed at its geometric center, and at least three mounting references (2) are uniformly provided circumferentially on the outer peripheral wall of the motor assembly (1). The shock absorption assembly includes at least three shock absorbers (3), which are respectively disposed on the at least three mounting bases (2); as well as The fixing assembly includes at least three fixing members (4), each corresponding to one of the at least three vibration dampers (3). The vibration damping structure is adapted to be fixedly installed on the housing (5) of the lidar motor via the fixing assembly. The motor assembly (1) is shaped like an inverted frustum. The upper surface of the mounting reference (2) is implemented as the mounting reference surface (21), and the center of gravity of the motor assembly (1) is lower than the mounting reference surface (21). The mounting reference (2) is a support mechanism that extends radially outward along the motor assembly (1). The outer side wall of the damper (3) is provided with a fixing recess for fixing the outer end of the support mechanism. The longitudinal section of the motor assembly (1) is an isosceles trapezoid.

2. The vibration reduction structure of the lidar motor according to claim 1, characterized in that, The support mechanism and the motor assembly (1) are an integral structure.

3. A lidar motor, characterized in that, It includes a housing (5) and a vibration damping structure disposed within the housing (5), wherein the vibration damping structure is the vibration damping structure according to any one of claims 1-2.

4. The lidar motor according to claim 3, characterized in that, The housing (5) is provided with a fixing part (51) that corresponds one-to-one with the at least three dampers (3) of the vibration damping structure, and the vibration damping structure is adapted to be installed on the fixing part (51).

5. The lidar motor according to claim 4, characterized in that, The fixing part (51) is a positioning post provided in the housing (5), and a cavity is formed in the middle of the plurality of positioning posts to accommodate the motor assembly (1) of the vibration damping structure.

6. A vehicle, characterized in that, Includes the lidar motor as described in any one of claims 3-5.

Images