Radar assembly, bumper device and vehicle

Abstract

The utility model discloses a radar assembly, a bumper device and a vehicle, and relates to the technical field of vehicle bumpers, the radar assembly comprises a mounting support and a radar, the mounting support is provided with a connecting part and at least two mounting parts which are connected with each other, and the connecting part is used for being mounted with the bumper; the at least two mounting parts are used for mounting the two radars of different types respectively, and at least one mounting part is in a non-idle state and is provided with one radar. According to the technical scheme provided by the utility model, the number of parts of the mounting bracket can be reduced, the development cost of a vehicle is reduced, meanwhile, assembling procedures can be reduced, and the production efficiency is improved.

Description

Radar components, bumper assembly and vehicle Technical Field

[0001] This utility model relates to the field of vehicle bumper technology, and in particular to a radar component, a bumper device, and a vehicle. Background Technology

[0002] Vehicle bumpers typically house various types of radar to enable diverse driver assistance functions. In related technologies, each radar is usually mounted individually on the bumper using a separate mounting bracket. This not only results in a large number of bracket parts and high development costs, but also in numerous assembly steps and low production efficiency. Summary of the Invention

[0003] The main purpose of this invention is to provide a radar component, a bumper device, and a vehicle, which aims to reduce the number of parts for mounting brackets, lower vehicle development costs, reduce assembly processes, and improve production efficiency.

[0004] To achieve the above objectives, the radar component proposed in this utility model is applied to a bumper device, the bumper device including a bumper, and the radar component including:

[0005] The mounting bracket includes a connecting portion and at least two mounting portions, the connecting portion being used for mounting to the bumper; and

[0006] The radar includes at least two mounting sections for mounting two radars of different types, with at least one mounting section being in a non-idle state and having one radar installed thereon.

[0007] In one embodiment, the two radars of different types include millimeter-wave radar and ultrasonic radar.

[0008] In one embodiment, the millimeter-wave radar on the mounting bracket is configured as an angle radar, with the ultrasonic radar located on the side of the angle radar away from the center of the bumper.

[0009] In one embodiment, at least two of the mounting portions include an annular plate and an annular tube disposed on the annular plate, the millimeter-wave radar is mounted on the annular plate and is at least partially exposed in the inner circumferential through hole of the annular plate, and the ultrasonic wave is mounted on the annular tube.

[0010] In one embodiment, the inner circumferential through hole edge of the ring plate is provided with a plurality of first snap-fit ​​portions, and the millimeter-wave radar is snapped into the first snap-fit ​​portions.

[0011] In one embodiment, the pipe wall of the ring pipe is provided with a second snap-fit ​​portion, and the ultrasonic radar is snapped into the second snap-fit ​​portion.

[0012] In one embodiment, the ring plate is provided with a plurality of positioning holes, which are distributed at intervals along the circumference of the ring plate. The inner side of the bumper is provided with positioning ribs corresponding to the positioning holes, and the positioning ribs are positioned and inserted into the positioning holes.

[0013] In one embodiment, the positioning hole is configured as a slit hole structure, the positioning rib is configured as a sheet rib structure, the width direction of the positioning hole extends in the vertical direction, and at least two positioning holes are respectively disposed on the upper and lower side edges of the ring plate.

[0014] In one embodiment, the connecting portion includes a plurality of first connecting portions, which are distributed at intervals along the circumference of the ring plate and formed on the surface of the ring plate.

[0015] In one embodiment, the connecting portion further includes a second connecting portion, which is connected to the side edge of the ring plate and located on the side of the ring tube away from the inner circumferential through hole. The side edge of the bumper is provided with a wheel arch mounting edge, and the second connecting portion is connected to the wheel arch mounting edge.

[0016] In one embodiment, the connecting portion is welded and fixed to the bumper.

[0017] This utility model also proposes a bumper device, including a bumper and the aforementioned radar assembly, wherein the radar assembly is disposed on the bumper.

[0018] This utility model also proposes a vehicle including the aforementioned bumper device.

[0019] The technical solution of this utility model reduces the number of parts of the mounting bracket and lowers the development cost of the vehicle (including the cost of molds, jigs and fixtures) by installing different types of radars on the same mounting bracket, compared to the solution where each radar is equipped with an independent bracket for installation. At the same time, it can also reduce assembly processes and improve production efficiency. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0021] Figure 1 is a partial structural schematic diagram of an embodiment of the bumper device provided by this utility model;

[0022] Figure 2 is a schematic diagram of the mounting bracket in Figure 1;

[0023] Figure 3 is a cross-sectional view of the mounting bracket shown in Figure 2;

[0024] Figure 4 is a schematic diagram of the bumper in Figure 1.

[0025] Explanation of icon numbers:

[0026] 100. Mounting bracket; 101. Mounting part; 110. Ring plate; 111. Inner circumferential through hole; 112. First snap-fit ​​part; 113. Positioning hole; 120. Ring tube; 121. Second snap-fit ​​part; 130. Connecting part; 131. First connecting part; 132. Second connecting part;

[0027] 200. Radar; 210. Millimeter-wave radar; 220. Ultrasonic radar;

[0028] 300. Bumper; 301. Positioning rib; 302. Pre-drilled hole; 303. Welding boss; 304. Wheel arch mounting edge.

[0029] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0030] 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 of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0031] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0032] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0033] Vehicle bumpers typically house various types of radar to enable diverse driver assistance functions. In related technologies, each radar is usually mounted individually on the bumper using a separate mounting bracket. This not only results in a large number of bracket parts and high development costs, but also in numerous assembly steps and low production efficiency.

[0034] In view of this, the present invention proposes a radar component that can solve the above-mentioned technical problems.

[0035] Please refer to Figure 1, which is a partial structural schematic diagram of an embodiment of the bumper device provided by this utility model. Figure 1 only shows a portion of the structure on the left side of the bumper 300 and the radar assembly mounted thereon. In one embodiment of this utility model, the radar assembly is applied to the bumper device, which includes a bumper 300. The radar assembly includes a mounting bracket 100 and a radar 200. The mounting bracket 100 is provided with a connecting portion 130 and at least two mounting portions 101. The connecting portion 130 is used for mounting to the bumper 300. The at least two mounting portions 101 are used for mounting two radars 200 of different types respectively. At least one mounting portion 101 is in a non-idle state and has a radar 200 mounted on it.

[0036] The technical solution of this utility model is to install different types of radars 200 on the same mounting bracket 100, that is, different radars 200 share one mounting bracket 100. Compared with the solution where each radar 200 is configured with an independent bracket for installation, this can reduce the number of parts of the mounting bracket 100 and reduce the development cost of the vehicle (including the cost of molds, jigs and fixtures, etc.). At the same time, it can also reduce assembly processes and improve production efficiency.

[0037] Referring to Figures 1 and 2, optionally, the mounting bracket 100 has two mounting portions 101, each mounting portion 101 corresponding to one radar 200. Of course, in other embodiments, the mounting bracket 100 may also have three or more mounting portions 101, each mounting portion 101 corresponding to one radar 200.

[0038] Optionally, the two radars 200 of different types include a millimeter-wave radar 210 and an ultrasonic radar 220. The millimeter-wave radar 210 is mainly used for dynamic driving scenarios such as blind spot monitoring, lane change assist, rear collision warning, and intersection assist, while the ultrasonic radar 220 is mainly used for functional scenarios such as reversing assist, automatic parking, blind spot detection, and low-speed obstacle detection. In this way, the ultrasonic radar 220 and the corner radar respectively undertake short-range static detection and medium-to-long-range dynamic perception tasks in assisted driving, complementing each other to overcome the limitations of a single sensor while balancing cost, accuracy, and reliability. That is, it can achieve better assisted driving functions at a reasonable cost, thereby enhancing the vehicle's product competitiveness.

[0039] Of course, in other embodiments, the two radars 200 of different types can also be combinations of other types of radars 200, such as including millimeter-wave radar 210 and lidar 200, or including ultrasonic radar 220 and lidar 200, etc.

[0040] It should be noted that the installation part 101 being in a non-idle state means that the radar 200 is installed on the installation part 101, while the installation part 101 being in an idle state means that the radar 200 is not installed on the installation part 101.

[0041] Generally speaking, within the same model of vehicle, there are usually high-end and low-end versions. For example, high-end and low-end versions may differ in the type and number of radar 200s. Specifically, the high-end version may have more expensive radar 200s and / or a greater number of radar 200s.

[0042] It is understood that the mounting bracket 100 provided in this embodiment of the present invention can be applied to vehicles with different configuration versions. Specifically, higher-configuration vehicles have a greater number of radars 200. When the mounting bracket 100 is installed on a higher-configuration vehicle, one mounting portion 101 on the mounting bracket 100 can accommodate the extra radars 200, and at this time, the mounting portion 101 is in a non-idle state. When the mounting bracket 100 is installed on a lower-configuration vehicle, since the radar 200 corresponding to the mounting portion 101 is not configured, the mounting portion 101 is in an idle state.

[0043] For example, in one embodiment, the front bumper 300 of the vehicle is equipped with six ultrasonic radars 220 and two millimeter-wave radars 210 in the high-end version, and with four ultrasonic radars 220 and two millimeter-wave radars 210 in the low-end version; the two extra ultrasonic radars 220 in the high-end version are respectively arranged at the outermost positions on the left and right sides of the front bumper 300. The mounting bracket 100 has two mounting portions 101, which can respectively accommodate one millimeter-wave radar 210 and one outermost ultrasonic radar 220. Since the high-end version is equipped with the outermost ultrasonic radar 220, both mounting portions 101 of the mounting bracket 100 are in a non-idle state, as shown in Figure 1; the low-end version does not have the outermost ultrasonic radar 220, therefore, the mounting portion 101 of the mounting bracket 100 corresponding to the millimeter-wave radar 210 is in a non-idle state, and the mounting portion 101 corresponding to the ultrasonic radar 220 is in an idle state.

[0044] Therefore, in this embodiment of the invention, by ensuring that at least one mounting portion 101 of the mounting bracket 100 is in a non-idle state, the mounting bracket 100 can be adapted to be installed on high-end or low-end versions of vehicles, thus improving the versatility of the mounting bracket 100 and meeting the requirements of different vehicle configurations. In this way, there is no need to develop and manufacture different mounting brackets 100 for different configurations, further reducing the number of parts and development costs for the same vehicle model.

[0045] It should be noted that the above embodiments do not limit the mounting bracket 100 of this embodiment to be applied only to the front bumper 300. The mounting bracket 100 can also be applied to the rear bumper 300 as needed, or the mounting bracket 100 can be used on both the front bumper 300 and the rear bumper 300. Secondly, the orientation in this embodiment of the utility model is based on the vehicle coordinate system, that is, the front-rear direction corresponds to the X-axis of the vehicle coordinate system, the left-right direction corresponds to the Y-axis of the vehicle coordinate system, and the up-down direction corresponds to the Z-axis of the vehicle coordinate system.

[0046] Generally speaking, the millimeter-wave radar 210 on the bumper 300 can usually be divided into front radar and corner radar according to its installation position. The front radar and corner radar work together to realize the vehicle's environmental perception and safety assistance. Among them, the corner radar is usually installed on the rear and front sides of the vehicle. The front corner radar mainly realizes cross-traffic warning, pedestrian and bicycle recognition, while the rear corner radar mainly realizes lane change assist function. The front radar is usually installed on the front bumper 300 or front grille. The front radar mainly realizes the functions of the automatic emergency braking system (AEB) and adaptive cruise control system (ACC).

[0047] The millimeter-wave radar 210 on the bumper 300 can generally be classified into ultra-short-range millimeter-wave radar (USRR), short-range radar (SRR), medium-range radar (MRR), and long-range radar (LRR) according to their detection range, with maximum detection ranges of 15 meters, 50 meters, 150 meters, and 250 meters respectively. Among them, the corner radar can be configured as a short-range radar.

[0048] Referring to Figure 1, optionally, the millimeter-wave radar 210 on the mounting bracket 100 is configured as a corner radar, and the ultrasonic radar 220 is located on the side of the corner radar away from the center of the bumper 300. That is, in this embodiment, both the millimeter-wave radar 210 (corner radar) and the ultrasonic radar 220 on the mounting bracket 100 are located on the side of the bumper 300, with the millimeter-wave radar 210 closer to the center of the bumper 300. Thus, by mounting the adjacent ultrasonic radar 220 and millimeter-wave radar 210 on the same mounting bracket 100, the size and weight of the mounting bracket 100 can be reduced. Furthermore, the side of the bumper 300 provides a stable and reliable mounting position, reducing the risk of the radar 200 becoming loose due to vibration and bumps during vehicle operation. Of course, in other embodiments, the ultrasonic radar 220 may be located on the side of the corner radar closer to the center of the bumper 300, or the millimeter-wave radar 210 on the mounting bracket 100 may be configured as a front radar.

[0049] It is understood that the mounting bracket 100 can have various structural forms. For example, referring to Figures 2 and 3, in one embodiment, at least two mounting portions 101 include annular plates 110 and annular tubes 120 disposed on the annular plates 110. The millimeter-wave radar 210 is mounted on the annular plates 110 and is at least partially exposed in the inner circumferential through-holes 111 of the annular plates 110. The ultrasonic wave is mounted on the annular tube 120. Figure 3 is a cross-sectional view of the mounting bracket shown in Figure 2, with the cross-section extending vertically and passing through the axis of the annular tube 120. This results in a simple and easily implemented structure. Of course, in other embodiments, the mounting bracket 100 may include two annular plates 110, with two radars 200 respectively mounted on the two annular plates 110; or, the mounting bracket 100 may include two annular tubes 120, with two radars 200 respectively mounted on the two annular tubes 120.

[0050] Referring to Figures 2 and 3, optionally, the inner circumferential through hole 111 of the ring plate 110 is provided with a plurality of first snap-fit ​​portions 112, and the millimeter-wave radar 210 is snapped into the first snap-fit ​​portions 112. That is, the edge of the millimeter-wave radar 210 is snapped and fixed to the first snap-fit ​​portions 112 of the ring plate 110, and its working surface can be exposed in the inner circumferential through hole 111 of the ring plate 110, facing the front (when installed on the front bumper 300) or the rear (when installed on the rear bumper 300) of the vehicle. In this way, the structure is simple and easy to install. Of course, in other embodiments, other means can also be used to install the millimeter-wave radar 210 and the ring plate 110, such as fasteners such as screws or rivets, or the millimeter-wave radar 210 can be directly glued and fixed to the ring plate 110.

[0051] Referring to Figures 2 and 3, optionally, the wall of the annular tube 120 is provided with a second snap-fit ​​portion 121, to which the ultrasonic radar 220 snaps. That is, the edge of the ultrasonic radar 220 is snapped and fixed to the second snap-fit ​​portion 121 of the annular tube 120, and its working surface is exposed at the opening of the annular tube 120, facing the front (when installed on the front bumper 300) or rear (when installed on the rear bumper 300) of the vehicle. This results in a simple structure and easy installation. Of course, in other embodiments, other means can be used to install the ultrasonic radar 220 to the annular tube 120, such as using fasteners like screws or rivets, or the ultrasonic radar 220 can be directly bonded and fixed to the annular tube 120.

[0052] Optionally, the first latching portion 112 and the second latching portion 121 are configured as latching protrusions, and the radar 200 is correspondingly provided with a latching slot or a latching hole. Of course, in other embodiments, at least one of the first latching portion 112 and the second latching portion 121 may be configured as a latching slot or a latching hole, and the radar 200 may correspondingly provide a latching protrusion.

[0053] It is worth mentioning that, in order to make the same bumper 300 compatible with both high-end and low-end vehicle versions, the bumper 300 may optionally have a pre-drilled hole 302 corresponding to the ring tube 120. This pre-drilled hole 302 is a closed structure during the injection molding of the bumper 300, meaning that the opening is not visible after injection molding. This bumper 300 can be directly used in low-end vehicles, and after further drilling the pre-drilled hole 302 (e.g., laser cutting), the bumper 300 can be used in high-end vehicles. In other words, the bumper 300 of this invention has a closed state and an open state, corresponding to the pre-drilled hole 302 being closed and open, respectively. When the bumper 300 is in the open state, the ultrasonic radar 220 is mounted on the ring tube 120, and its working end can extend into the pre-drilled hole 302 and be exposed externally, thereby ensuring that the ultrasonic radar 220 can work normally. The pre-drilled hole 302 can also position and limit the ultrasonic radar 220, thereby ensuring the installation position accuracy of the ultrasonic radar 220.

[0054] It should be noted that the bumper 300 does not need to have a through hole for the millimeter-wave radar 210; that is, the millimeter-wave radar 210 is hidden in the inner space of the bumper 300. Optionally, the mounting bracket 100 is installed on the inner side of the bumper 300. In this way, the mounting bracket 100 is also hidden in the inner space of the bumper 300, which can improve the aesthetics of the bumper assembly.

[0055] Referring to Figures 1, 2, and 4, optionally, the ring plate 110 is provided with a plurality of positioning holes 113, which are distributed at intervals along the circumference of the ring plate 110. The inner surface of the bumper 300 is provided with positioning ribs 301 corresponding to the positioning holes 113, and the positioning ribs 301 are inserted into the positioning holes 113. This improves the installation position accuracy of the ring plate 110 on the bumper 300, thereby improving the installation position accuracy of the millimeter-wave radar 210 and the ultrasonic radar 220. Of course, in other embodiments, the positioning holes 113 and positioning ribs 301 may not be provided.

[0056] Optionally, the positioning hole 113 is configured as a slit structure, and the positioning rib 301 is configured as a sheet rib structure. The width direction of the positioning hole 113 extends along the vertical direction, and at least two positioning holes 113 are respectively disposed on the upper and lower side edges of the ring plate 110. In this way, the installation position accuracy of the ring plate 110 on the bumper 300 can be further improved, thereby controlling the positional error of the millimeter-wave radar 210 and the ultrasonic radar 220 to be reduced to within ±0.1mm, and thus improving the accuracy and precision of the data detected by the radar 200. Of course, in other embodiments, the positioning hole 113 can also be configured as a round hole or a square hole structure, and the positioning rib 301 can be configured as a cylindrical or square column structure.

[0057] It is worth mentioning that in related technologies, if the ultrasonic radar is mounted on the bumper using an independent bracket, its positional error can only be within a range of ±0.3mm. This is mainly because the independent bracket of the ultrasonic radar is small in size, making it impossible to design a structure with multiple positioning holes with large spacing. However, the technical solution of this utility model, through the structure of multiple positioning holes with large spacing on the ring plate, can improve the positional accuracy of the ring plate, thereby indirectly reducing the positional error of the ultrasonic radar mounted on it to within a range of ±0.1mm.

[0058] Referring to Figure 2, optionally, the connecting portion 130 includes a plurality of first connecting portions 131, which are distributed at intervals along the circumference of the ring plate 110 and formed on the surface of the ring plate 110. In this way, the structure is simple and easy to implement, and the connection strength between the ring plate 110 and the bumper 300 can be improved, thereby improving the installation stability of the radar 200.

[0059] Generally speaking, the sides of the bumper 300 are typically curved, for example, the sides of the front bumper 300 typically curve rearward. Since the ring plate 110 fits snugly against the inner side of the bumper 300, it also appears as a curved plate in a top-down view, making the end of the ring plate 110 near the wheel arch prone to warping. To address this issue, referring to Figures 1 and 2, optionally, the connecting portion 130 further includes a second connecting portion 132. The second connecting portion 132 is connected to the side edge of the ring plate 110 and located on the side of the ring tube 120 away from the inner circumferential through hole 111. The side edge of the bumper 300 has a wheel arch mounting edge 304, and the second connecting portion 132 connects to the wheel arch mounting edge 304. Thus, by connecting the added second connecting portion 132 to the wheel arch mounting edge 304, local reinforcement can be applied to areas of the ring plate 110 prone to warping, thereby reducing the risk of warping of the ring plate 110. Secondly, the wheel arch mounting edge 304 is used to mount the vehicle's wheel arch. By reusing this wheel arch mounting edge 304 as the mounting point for the second connecting part 132, the structure of the bumper 300 can be simplified. Of course, in other embodiments, the second connecting part 132 may not be provided.

[0060] Optionally, the connecting portion 130 is welded to the bumper 300. That is, both the first connecting portion 131 and the second connecting portion 132 are welded to the bumper 300, for example, by hot melt welding or piercing welding. Of course, in other embodiments, other means can be used to connect the connecting portion 130 to the bumper 300, for example, by fasteners such as screws or rivets, or the connecting portion 130 can be directly bonded to the bumper 300.

[0061] In this embodiment, the assembly sequence of the radar components can be as follows: first, the mounting bracket 100 is welded and fixed to the bumper 300; then, the millimeter-wave radar 210 is mounted on one mounting part 101 in an inward-outward direction, and the ultrasonic radar 220 is mounted on another mounting part 101 in an inward-outward direction, with the working end of the ultrasonic radar 220 exposed in the pre-drilled hole 302 of the bumper 300. Of course, in other embodiments, the radar components can also be assembled as a single module first, and then mounted on the bumper 300 with screws, or glued and fixed to the bumper 300.

[0062] Referring to Figures 3 and 4, optionally, the inner side of the bumper 300 has a welding boss 303 protruding inward, and the ring plate 110 has a welding groove on the plate surface away from the bumper 300. The bottom wall of the welding groove is configured as a first connecting part 131 and is welded and fixed to the platform surface of the welding boss 303. In this way, the structure is simple and easy to weld and fix the first connecting part 131. Of course, in other embodiments, the welding boss 303 and the welding groove may not be provided.

[0063] This utility model also proposes a bumper device, which includes a bumper and the aforementioned radar assembly. The specific structure of the radar assembly is as described in the above embodiments. Since this bumper device adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here. The radar assembly is located on the bumper.

[0064] This utility model also proposes a vehicle that includes the aforementioned bumper device. The specific structure of the bumper device is as described in the above embodiments. Since this vehicle adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0065] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A radar component applied to a bumper assembly, the bumper assembly comprising a bumper, characterized in that, The radar assembly includes: a mounting bracket having a connecting portion and at least two mounting portions, the connecting portion being used for mounting to the bumper; and a radar, wherein at least two mounting portions are used for mounting two radars of different types respectively, and at least one mounting portion is in a non-idle state and has one radar installed thereon.

2. The radar assembly as claimed in claim 1, characterized in that, The two radars described are of different types: millimeter-wave radar and ultrasonic radar.

3. The radar assembly as described in claim 2, characterized in that, The millimeter-wave radar on the mounting bracket is configured as an angle radar, and the ultrasonic radar is located on the side of the angle radar away from the center of the bumper.

4. The radar assembly as claimed in claim 2, characterized in that, At least two of the mounting portions include an annular plate and an annular tube disposed on the annular plate, the millimeter-wave radar is mounted on the annular plate and is at least partially exposed in the inner circumferential through hole of the annular plate, and the ultrasonic wave is mounted on the annular tube.

5. The radar assembly as claimed in claim 4, characterized in that, The inner circumferential through hole edge of the ring plate is provided with a plurality of first snap-fit ​​parts, and the millimeter-wave radar is snapped into the first snap-fit ​​parts; and / or, the pipe wall of the ring tube is provided with a second snap-fit ​​part, and the ultrasonic radar is snapped into the second snap-fit ​​part.

6. The radar assembly as claimed in claim 4, characterized in that, The ring plate is provided with a plurality of positioning holes, which are distributed at intervals along the circumference of the ring plate. The inner side of the bumper is provided with positioning ribs corresponding to the positioning holes, and the positioning ribs are positioned and inserted into the positioning holes.

7. The radar assembly as claimed in claim 6, characterized in that, The positioning hole is configured as a slit hole structure, the positioning rib is configured as a sheet rib structure, the width direction of the positioning hole extends in the vertical direction, and at least two positioning holes are respectively provided on the upper and lower sides of the ring plate.

8. The radar assembly as claimed in claim 4, characterized in that, The connecting portion includes a plurality of first connecting portions, which are spaced apart circumferentially along the ring plate and formed on the surface of the ring plate; and / or, the connecting portion further includes a second connecting portion, which is connected to the side edge of the ring plate and located on the side of the ring tube away from the inner circumferential through hole, and the side edge of the bumper is provided with a wheel arch mounting edge, and the second connecting portion is connected to the wheel arch mounting edge; and / or, the connecting portion is welded and fixed to the bumper.

9. A bumper device, characterized in that, It includes a bumper and a radar assembly as described in any one of claims 1 to 8, the radar assembly being disposed on the bumper.

10. A vehicle, characterized in that, Includes the bumper device as described in claim 9.

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