Automobile millimeter wave and ultrasonic wave integrated radar
By designing a automotive radar system that includes an intermediate millimeter wave PCBA board and ultrasonic sensors on both sides, the safety hazards caused by not equipped with ultrasonic sensors in front of the vehicle are solved, and a lower cost and higher safety automotive radar system is achieved.
Patent Information
- Application Number
- CN202421596048.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-08
AI Technical Summary
In the existing automotive radar systems, ultrasonic sensors are not equipped in front of the vehicle, which leads to major safety hazards, especially blind spots on the left and right sides of the millimeter-wave radar.
An integrated automotive millimeter wave and ultrasonic radar is designed, consisting of a millimeter wave PCBA plate in the middle and ultrasonic sensors on both sides. The ultrasonic sensors are symmetrically distributed about the millimeter wave PCBA plate, and the ultrasonic sensors on the left and right sides are respectively detected to the left and right front.
Through the design of integrated radar, the blind spot problem in traditional radar systems is solved, the overall cost of the system and installation labor cost is reduced, and the driving safety of the car is improved.
Smart Images

Figure CN222913871U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automotive radar, in particular to an integrated millimeter-wave and ultrasonic radar for automobiles. Background Technique
[0002] At present, in order to improve the driving safety of automobiles, radars installed in the front and rear of the vehicle are used to detect obstacles on the road surface. When a dangerous obstacle is detected, the radar system gives an alarm prompt to the driver in the car interior. Generally, millimeter-wave radars are used for detection in the medium and long distances, and ultrasonic radars are used for detection in the short distances. Currently, automotive millimeter-wave radars and ultrasonic radars are usually designed separately. The millimeter-wave radar and the ultrasonic sensor are independent components and are installed separately on the vehicle during operation. This results in relatively high costs for the two systems and relatively high overall installation man-hour costs.
[0003] At the same time, for the front radars on trucks and buses, ultrasonic sensors are usually not equipped in front of the vehicle, and only millimeter-wave radars are used to detect the front of the vehicle. However, the horizontal detection range of the millimeter-wave radar itself is fan-shaped, and the horizontal detection angle is usually 80 - 150°. Therefore, blind areas are formed on both sides of the millimeter-wave radar near the front bumper of the vehicle, so there are relatively large potential safety hazards. Summary of the Utility Model
[0004] The purpose of the utility model is to provide an integrated millimeter-wave and ultrasonic radar for automobiles to solve the problem of relatively large potential safety hazards caused by the lack of ultrasonic sensors in the front of the vehicle in the existing technology as mentioned in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: an integrated millimeter-wave and ultrasonic radar for automobiles, which consists of a millimeter-wave PCBA board in the middle and ultrasonic sensors on both sides, and at least one ultrasonic sensor is arranged on each side. The millimeter-wave PCBA board faces the exact front of the radar body, and the detection direction forms a 90° angle with the transverse axis of the radar body; the ultrasonic sensors are symmetrically distributed with respect to the millimeter-wave PCBA board, and the ultrasonic sensors on the left and right sides detect towards the left and right front respectively, and the detection directions form angles of 15 - 40° with the transverse axis of the radar body.
[0006] Preferably, the frequency of the millimeter-wave PCBA board is 77G or 24G, and the horizontal detection angle is 80 - 150 degrees; while the operating frequency of the ultrasonic sensor is 40K - 72K, and the horizontal probe angle is 30 - 120 degrees.
[0007] Preferably, both ends of one side of the bottom cover are provided with anti-mistake grooves, both ends of the bottom cover surface are provided with bottom cover arrow marks, four radar fixing screw holes are provided on the bottom cover surface and on both sides of the bottom cover arrow marks, and eight bottom cover screw holes are provided at the edge of the bottom cover surface.
[0008] Preferably, it comprises a bottom cover, the top of which is provided with an upper cover, and the interior of the upper cover is connected with an internal bracket, radars are arranged on both sides of the surface of the internal bracket, and an ultrasonic sensor rubber sleeve is sleeved on the outer surface of the ultrasonic sensor; the bottom of the internal bracket is connected with a main PCBA board, and a foam pad is pasted on the bottom end of the bottom cover, and the foam pad is used for protecting the radar fixed on the car or the car bracket; a wiring harness is arranged on the bottom end of the bottom cover, and the top end of the wiring harness passes through the foam pad and the bottom cover and is mutually plugged with the main PCBA board to realize electrical connection, a wire outlet hole and a vent hole are opened on the surface of the bottom cover, and the wire outlet hole and the vent hole are respectively convenient for the insertion of the wire harness and the convection function of the air, and the surface of the vent hole is covered with a waterproof breathable film, and the waterproof breathable film is attached to the inner wall of the bottom cover; a waterproof rubber ring groove is opened on the surface of the bottom cover and located on the outside of the wire outlet hole, and a waterproof rubber ring is placed inside the waterproof rubber ring groove, and the waterproof rubber ring is used for waterproof sealing after the bottom cover and the upper cover are closed and locked.
[0009] Preferably, the surface of one side of the upper cover is integrally injection-molded with an anti-foolproof rib, which cooperates with the anti-foolproof groove to prevent the bottom cover and the upper cover from being closed; two internal bracket screw columns for receiving the internal bracket are respectively arranged on both sides of the upper cover surface; four millimeter wave PCBA board screw columns for receiving the millimeter wave PCBA board are arranged at the central part of the upper cover surface, and the millimeter wave PCBA board screw columns are used to maintain the millimeter wave PCBA board at a predetermined height from the inner wall of the upper cover, and the millimeter wave PCBA board screw columns can fix the millimeter wave PCBA board through screws.
[0010] Preferably, at least one group of ultrasonic sensor holes is provided on each side of the upper cover surface, the number of the ultrasonic sensor holes corresponds to the number of ultrasonic sensors, and the ultrasonic sensor holes are used for installing ultrasonic sensors and ultrasonic sensor rubber sleeves; four radar fixing screw slots are provided at the corner positions of the upper cover surface.
[0011] Preferably, the surface of the upper cover is provided with eight bottom cover fixing screw columns, which cooperate with the bottom cover screw holes and can threadably fix the bottom cover and the upper cover through screws; the surface of the upper cover is integrally injection-molded with a molding, and when the bottom cover and the upper cover are fixed, the molding will press the foam pad to achieve sealing and waterproofing; an upper cover arrow mark is provided on one side of the upper cover surface, and the upper cover arrow mark corresponds to the bottom cover arrow mark, which is used to increase the accuracy and convenience of the bottom cover and the upper cover when they are installed together.
[0012] Preferably, three fastening plate screw posts are integrally injection-molded on each side of the surface of the inner bracket, and the main PCBA board is placed on the fastening plate screw posts during installation and locked and fixed by screws; four bracket screw holes are provided on each side of the surface of the inner bracket, and the bracket screw holes cooperate with the inner bracket screw posts and can lock and fix the inner bracket by screws; limiting blocks are integrally injection-molded on both sides of the bracket screw holes, and the limiting blocks can limit the moving range of the inner bracket, facilitating the installation and fixing work of the inner bracket.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: Compared with the way of arranging ultrasonic radar and millimeter-wave radar separately, the integrated design of this automotive millimeter-wave and ultrasonic integrated radar reduces the overall cost of the system and also reduces the installation man-hour cost. The ultrasonic sensor has a relatively low cost compared with 77G or 24G millimeter-wave radar. The arrangement of this radar with a 77G or 24G millimeter-wave radar in the middle and ultrasonic sensors on both sides not only solves the blind area of traditional single millimeter-wave radar, but also has a relatively low additional cost compared with single millimeter-wave radar. Therefore, it has good cost performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 is a schematic structural diagram of two ultrasonic sensors on one side of the present utility model;
[0015] Figure 2 is a schematic structural diagram of the upper cover in a separated state of the present utility model;
[0016] Figure 3 is a three-dimensional exploded structural diagram of the present utility model;
[0017] Figure 4 is a schematic enlarged structural diagram of the bottom cover of the present utility model;
[0018] Figure 5 is a schematic enlarged structural diagram of the upper cover of the present utility model;
[0019] Figure 6 is a schematic diagram of the inner bracket in a bottom-up and slant view of the present utility model;
[0020] Figure 7 is a schematic diagram of the inner bracket in a top-down and slant view of the present utility model;
[0021] Figure 8 is a schematic structural diagram of one ultrasonic sensor on one side of the present utility model;
[0022] Figure 9 is a schematic structural diagram of the detection working state of the present utility model.
[0023] In the figure: 1. Bottom cover; 101. Waterproof and breathable membrane; 11. Anti-fooling groove; 12. Ventilation hole; 13. Waterproof rubber ring groove; 14. Wire outlet hole; 15. Bottom cover screw hole; 16. Bottom cover arrow mark; 17. Radar fixing screw hole; 2. Upper cover; 21. Anti-fooling rib; 22. Ultrasonic sensor hole; 23. Internal bracket screw post; 24. Pressure strip; 25. Millimeter wave PCBA board screw post; 26. Upper cover arrow mark; 27. Bottom cover fixing screw post; 28. Radar fixing screw groove; 3. Main PCBA board; 4. Internal bracket; 41. Laying board screw post; 42. Bracket screw hole; 43. Limit block; 5. Millimeter wave PCBA board; 6. Ultrasonic sensor; 61. Ultrasonic sensor rubber sleeve; 7. Wiring harness; 8. Foam pad; 9. Waterproof rubber ring. Detailed implementation manners
[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly defined and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.
[0025] The structure of an automotive millimeter wave and ultrasonic integrated radar provided by the present invention is as Figure 1 and Figure 4As shown, it includes a bottom cover 1, both ends of one side of the bottom cover 1 are provided with anti-fool grooves 11, both ends of the surface of the bottom cover 1 are provided with bottom cover arrow marks 16, the surface of the bottom cover 1 and both sides of the bottom cover arrow mark 16 are provided with four radar fixing screw holes 17, the edge position of the surface of the bottom cover 1 is provided with eight bottom cover screw holes 15, the surface of the bottom cover 1 is provided with a wire outlet hole 14 and a vent hole 12, the wire outlet hole 14 and the vent hole 12 are respectively convenient for the penetration of the wire harness 7 and the convection function of the air, so as to To keep the internal pressure of the probe consistent with the external pressure, the surface of the air hole 12 is covered with a waterproof breathable membrane 101, and the waterproof breathable membrane 101 is attached to the inner wall of the bottom cover 1. The waterproof breathable membrane 101 is used to realize the ventilation of the radar and prevent water from entering the inside of the radar; a waterproof rubber ring groove 13 is opened on the surface of the bottom cover 1 and located outside the wire outlet hole 14, and a waterproof rubber ring 9 is placed inside the waterproof rubber ring groove 13. The waterproof rubber ring 9 is used for waterproof sealing after the bottom cover 1 and the upper cover 2 are closed and locked.
[0026] During implementation, tear off the release paper of the waterproof breathable membrane 101, align the center of the side with adhesive with the center of the air hole 12 on the bottom cover 1 and stick it on, press it tightly, and then apply glue around the waterproof breathable membrane 101 to further strengthen the seal and enhance the waterproof effect.
[0027] Furthermore, if Figure 2 as well as Figure 5 As shown, an upper cover 2 is installed on the top of the bottom cover 1, and an anti-foolproof rib 21 is integrally injection-molded on the surface of one side of the upper cover 2. The anti-foolproof rib 21 cooperates with the anti-foolproof groove 11 to prevent the bottom cover 1 and the upper cover 2 from being closed, so that the bottom cover 1 and the upper cover 2 can be installed in the correct direction; two internal bracket screw columns 23 for receiving the internal bracket 4 are respectively arranged on both sides of the surface of the upper cover 2; four millimeter wave PCBA board screw columns 25 for receiving the millimeter wave PCBA board 5 are arranged at the central part of the surface of the upper cover 2, and the millimeter wave PCBA board screw columns 25 are used to keep the millimeter wave PCBA board 5 at a predetermined height from the inner wall of the upper cover 2, and the millimeter wave PCBA board screw columns 25 can fix the millimeter wave PCBA board 5 by screws, and at least one group of ultrasonic sensor holes 22 are respectively arranged on both sides of the surface of the upper cover 2, and the number of the ultrasonic sensor holes 22 corresponds to the number of the ultrasonic sensors 6, and the ultrasonic sensor holes 22 are used for loading the ultrasonic sensors 6 and the ultrasonic sensor rubber sleeves 61.
[0028] During implementation, the millimeter wave PCBA board 5 is placed into the upper cover 2 with the antenna facing the bottom of the upper cover 2, and placed on the millimeter wave PCBA board screw column 25. The screw holes of the PCBA board are aligned one by one with the inner holes of the millimeter wave PCBA board screw column 25 at the bottom of the upper cover 2, and then the screws are locked in the four holes respectively, thus completing the fixation and installation of the millimeter wave PCBA board 5.
[0029] Furthermore, ifFigure 3 and Figure 5 As shown, four radar fixing screw slots 28 are provided at the corner positions on the surface of the upper cover 2. When the entire radar is installed, the radar is fixed to the vehicle or a bracket connected to the vehicle through screws passing through the radar fixing screw slots 28 and the radar fixing screw holes 17. Eight bottom cover fixing screw posts 27 are provided on the surface of the upper cover 2. The bottom cover fixing screw posts 27 cooperate with the bottom cover screw holes 15 and can thread-fix the bottom cover 1 and the upper cover 2 through screws; a bead 24 is integrally injection-molded on the surface of the upper cover 2. When the bottom cover 1 and the upper cover 2 are fixed, the bead 24 presses the foam gasket 8 tightly to achieve the sealing and waterproof work; an upper cover arrow mark 26 is provided on one side of the surface of the upper cover 2. The upper cover arrow mark 26 corresponds to the bottom cover arrow mark 16 and is used to increase the accuracy and convenience when the bottom cover 1 and the upper cover 2 are covered and installed.
[0030] During implementation, the upper cover 2 and the bottom cover 1 are covered in the direction of the upper cover arrow mark 26 and the bottom cover arrow mark 16. And after the anti-fooling rib 21 of the upper cover 2 cooperates with the anti-fooling groove 11 of the bottom cover 1, it is ensured that the installation direction is correct. After covering, press tightly, and then lock the screws into each screw hole of the bottom cover 1 one by one, and the installation of the upper cover 2 group and the bottom cover 1 group is completed.
[0031] Furthermore, as Figure 6 and Figure 7 shown, an internal bracket 4 is connected inside the upper cover 2. Three tab screw posts 41 are integrally injection-molded on each side of the surface of the internal bracket 4. When the main PCBA board 3 is installed, it is placed on the tab screw posts 41 and locked and fixed through screws; four bracket screw holes 42 are provided on each side of the surface of the internal bracket 4. The bracket screw holes 42 cooperate with the internal bracket screw posts 23 and can lock and fix the internal bracket 4 through screws; limit blocks 43 are integrally injection-molded on both sides of the bracket screw holes 42. The limit blocks 43 can limit the movement range of the internal bracket 4 and facilitate the installation and fixing work of the internal bracket 4. Radars are provided on both sides of the surface of the internal bracket 4. The radar is composed of a millimeter-wave PCBA board 5 in the middle and ultrasonic sensors 6 on both sides. At least one ultrasonic sensor 6 is provided on each side, and an ultrasonic sensor rubber sleeve 61 is sleeved on the outer surface of the ultrasonic sensor 6.
[0032] During implementation, the tab screw posts 41 on the internal bracket 4 are placed outward into the upper cover 2 and are placed on the internal bracket screw posts 23 at the bottom of the upper cover 2. The limit blocks 43 of the internal bracket 4 can quickly align the screw holes of the internal bracket 4 with the inner holes of the internal bracket screw posts 23. Then, lock the screws into the four screw holes, and the installation and fixing of the internal bracket 4 are completed.
[0033] Furthermore, as Figure 3 and Figure 8As shown in the figure, the bottom of the internal bracket 4 is connected to the main PCBA board 3, and the millimeter-wave PCBA board 5 and the ultrasonic sensor 6 are both inserted into the main PCBA board 3 to achieve electrical connection. The main PCBA board 3 is used to receive the detection signals of the millimeter-wave PCBA board 5 and the ultrasonic sensors 6 on both sides, and comprehensively form a detection signal in the 180-degree range directly in front of the radar. The main PCBA board 3 can communicate with the in-vehicle display or controller. When an obstacle is detected, the in-vehicle display gives an alarm prompt, and / or the controller controls the vehicle braking system to brake. A foam pad 8 is pasted on the bottom end of the bottom cover 1, and the foam pad 8 is used for the protection work of fixing the radar on the vehicle or the vehicle bracket; a wire harness 7 is arranged at the bottom end of the bottom cover 1, and the top end of the wire harness 7 passes through the foam pad 8 and the bottom cover 1 and is inserted into the main PCBA board 3 to achieve electrical connection.
[0034] During implementation, the plugs on the millimeter-wave PCBA board 5 and the ultrasonic sensor 6 are inserted into the sockets on the main PCBA board 3 one by one to complete the electrical connection; then the main PCBA board 3 is placed on the mounting plate screw posts 41 of the internal bracket 4, and the screws are locked to complete the fixation of the main PCBA board 3.
[0035] When the millimeter-wave and ultrasonic integrated radar of the present utility model is actually used, as Figure 9 shown in the figure, A is the vehicle, B is the radar of the present utility model, C is the detection range of the millimeter-wave radar, D is the detection range of the left ultrasonic sensor, and E is the detection range of the right ultrasonic sensor; the millimeter-wave PCBA board 5 faces directly in front of the radar body, and the detection direction forms a 90° angle with the horizontal axis of the radar body. The detection range of the millimeter-wave radar is large, covering most of the entire detection area of the radar; one or more than two ultrasonic sensors 6 are provided on each side of the radar. One or several ultrasonic sensors 6 on one side are symmetrically distributed on both sides of the radar. The ultrasonic sensors 6 are symmetrically distributed with respect to the millimeter-wave PCBA board 5, and the ultrasonic sensors 6 on both sides detect towards the left and right front respectively, and the detection directions form an angle of 15-40° with the horizontal axis of the radar body; the detection ranges of the ultrasonic sensors on both sides are small, covering a small part of the entire detection area of the radar; the frequency of the millimeter-wave PCBA board 5 is 77G or 24G, and the horizontal detection angle is 80-150 degrees; while the operating frequency of the ultrasonic sensor 6 is 40K-72K, and the horizontal probe angle is 30-120 degrees.
[0036] Working principle: When the integrated radar is installed, first the ultrasonic sensor 6 is installed in the ultrasonic sensor rubber sleeve 61, and then the four ultrasonic sensors 6 and the ultrasonic sensor rubber sleeve 61 groups are respectively installed in the ultrasonic sensor holes 22 of the upper cover 2, and rotated to a specific position. After that, glue is applied around the outer rubber sleeve to reinforce the outer rubber sleeve and play a role in sealing and waterproofing.
[0037] Next, place the antenna side of the millimeter-wave PCBA board 5 facing up against the bottom of the upper cover 2 and rest it on the millimeter-wave PCBA board screw posts 25. Align the screw holes of the PCBA board one by one with the inner holes of the millimeter-wave PCBA board screw posts 25 at the bottom of the upper cover 2. Then, lock screws into the four holes respectively to complete the fixation and installation of the millimeter-wave PCBA board 5.
[0038] Subsequently, place the latch screw posts 41 on the internal bracket 4 outward into the upper cover 2 and rest them on the internal bracket screw posts 23 at the bottom of the upper cover 2. The limit block 43 of the internal bracket 4 can quickly align the screw holes of the internal bracket 4 with the inner holes of the internal bracket screw posts 23. Then, lock screws into the four screw holes to complete the installation and fixation of the internal bracket 4.
[0039] After the internal bracket 4 is installed and fixed, electrically connect the millimeter-wave PCBA board 5, the ultrasonic sensor 6, and the main PCBA board 3, and install and fix the main PCBA board 3 on the internal bracket 4. During installation, first insert the plugs on the millimeter-wave PCBA board 5 and the ultrasonic sensor 6 into the sockets on the main PCBA board 3 one by one to complete the electrical connection. Then, place the main PCBA board 3 on the latch screw posts 41 of the internal bracket 4 and lock the screws to complete the fixation of the main PCBA board 3.
[0040] After that, tear off the release paper from the waterproof breathable film 101, align the center of the adhesive side with the center of the ventilation hole 12 on the bottom cover 1 and stick it on, press it firmly, then apply glue around the perimeter of the waterproof breathable film 101 to further reinforce the seal and enhance the waterproof effect. Next, insert the section of the wire harness 7 with the plug into the wire outlet hole 14 of the bottom cover 1, rotate the wire harness 7 to make it fit well with the bottom cover 1, and then apply glue in the wire outlet hole 14 of the bottom cover 1 to further fix the wire harness 7 and seal the wire harness groove to achieve the waterproof effect. Then, place the waterproof rubber ring 9 into the waterproof rubber ring groove 13 of the bottom cover 1, flatten it and press it to the bottom.
[0041] Next, connect the upper cover 2 and the bottom cover 1. During connection, first electrically connect the wire harness and the main PCBA board 3 by means of wire welding or connector docking. The upper cover 2 and the bottom cover 1 are closed in the direction of the upper cover arrow mark 26 and the bottom cover arrow mark 16. After the anti-fooling rib 21 of the upper cover 2 cooperates with the anti-fooling groove 11 of the bottom cover 1 to ensure the correct installation direction, press it firmly after closing. Then, lock screws into each screw hole of the bottom cover 1 one by one to complete the installation of the upper cover 2 group and the bottom cover 1 group, which also makes the pressing strip 24 of the upper cover 2 tightly press the waterproof rubber ring 9 installed on the bottom cover 1, playing an overall role of sealing and waterproofing.
[0042] Finally, tear off the release paper of the foam pad 8, align the adhesive side with the bottom cover 1, pass the center hole through the wiring harness 7, align the waterproof and breathable groove on the foam pad 8 with the breathable hole 12 of the bottom cover 1, align the four screw hole gaps on the foam pad 8 with the four radar fixing screw holes 17 on the base 1, and stick the foam pad 8. At this point, all installation is completed.
[0043] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. An integrated millimeter wave and ultrasonic radar for automobiles, characterized in that: The radar is composed of a millimeter wave PCBA board (5) located in the middle and ultrasonic sensors (6) located on both sides, and at least one ultrasonic sensor (6) is arranged on each side. The millimeter wave PCBA board (5) faces the front of the radar body, and the detection direction is 90 degrees with the horizontal axis of the radar body, so as to cover the vast majority of the entire detection area of the radar; the ultrasonic sensors (6) are symmetrically distributed about the millimeter wave PCBA board (5), and the ultrasonic sensors (6) on the left and right sides detect towards the left and right front respectively, and the detection directions are 15-40 degrees with the horizontal axis of the radar body, so as to cover a small part of the entire detection area of the radar.
2. The integrated millimeter wave and ultrasonic radar for automobiles according to claim 1, characterized in that: The frequency of the millimeter wave PCBA board (5) is 77G or 24G, and the horizontal detection angle is 80-150 degrees; while the working frequency of the ultrasonic sensor (6) is 40K-72K, and the horizontal probe angle is 30-120 degrees.
3. The integrated millimeter wave and ultrasonic radar for automobiles according to claim 1, characterized in that: The invention comprises a bottom cover (1), an upper cover (2) is installed on the top of the bottom cover (1), and an internal bracket (4) is connected to the inside of the upper cover (2), radars are arranged on both sides of the surface of the internal bracket (4), and an ultrasonic sensor rubber sleeve (61) is sleeved on the outer surface of the ultrasonic sensor (6); a main PCBA board (3) is connected to the bottom of the internal bracket (4), a foam pad (8) is pasted on the bottom end of the bottom cover (1), and the foam pad (8) is used for fixing the radar on the car or the car bracket for protection; the bottom cover (1) A wiring harness (7) is arranged at the bottom end, the top end of the wiring harness (7) passes through the foam pad (8) and the bottom cover (1) and is plugged into the main PCBA board (3) to achieve electrical connection, both ends of one side of the bottom cover (1) are provided with anti-mistake grooves (11), both ends of the surface of the bottom cover (1) are provided with bottom cover arrow marks (16), four radar fixing screw holes (17) are arranged on the surface of the bottom cover (1) and on both sides of the bottom cover arrow mark (16), and eight bottom cover screw holes (15) are arranged at the edge of the surface of the bottom cover (1).
4. The integrated millimeter wave and ultrasonic radar for automobiles according to claim 3, characterized in that: The surface of the bottom cover (1) is provided with a wire outlet hole (14) and a vent hole (12), the wire outlet hole (14) and the vent hole (12) are respectively convenient for the insertion of the wire harness (7) and the convection function of air, the surface of the vent hole (12) is covered with a waterproof breathable membrane (101), and the waterproof breathable membrane (101) is attached to the inner wall of the bottom cover (1); the surface of the bottom cover (1) is provided with a waterproof rubber ring groove (13) located outside the wire outlet hole (14), a waterproof rubber ring (9) is placed inside the waterproof rubber ring groove (13), and the waterproof rubber ring (9) is used for waterproof sealing after the bottom cover (1) and the upper cover (2) are closed and locked.
5. The integrated millimeter wave and ultrasonic radar for automobiles according to claim 3, characterized in that: The surface of one side of the upper cover (2) is integrally injection-molded with an anti-foolproof rib (21), and the anti-foolproof rib (21) cooperates with the anti-foolproof groove (11) to prevent the bottom cover (1) and the upper cover (2) from being closed; two internal bracket screw columns (23) for receiving the internal bracket (4) are respectively arranged on both sides of the surface of the upper cover (2); and four millimeter wave PCBA board screw columns (25) for receiving the millimeter wave PCBA board (5) are arranged at the central part of the surface of the upper cover (2), and the millimeter wave PCBA board screw columns (25) are used to maintain the millimeter wave PCBA board (5) at a predetermined height from the inner wall of the upper cover (2), and the millimeter wave PCBA board screw columns (25) can fix the millimeter wave PCBA board (5) by screws.
6. The integrated millimeter wave and ultrasonic radar for automobiles according to claim 4, characterized in that: At least one group of ultrasonic sensor holes (22) are provided on each side of the surface of the upper cover (2), the number of the ultrasonic sensor holes (22) corresponds to the number of the ultrasonic sensors (6), and the ultrasonic sensor holes (22) are used for loading the ultrasonic sensors (6) and the ultrasonic sensor rubber sleeves (61); four radar fixing screw slots (28) are provided at the corner positions of the surface of the upper cover (2).
7. The integrated millimeter wave and ultrasonic radar for automobiles according to claim 5, characterized in that: The surface of the upper cover (2) is provided with eight bottom cover fixing screw columns (27), and the bottom cover fixing screw columns (27) cooperate with the bottom cover screw holes (15) and can threadably fix the bottom cover (1) and the upper cover (2) through screws; the surface of the upper cover (2) is integrally injection-molded with a pressure strip (24), and when the bottom cover (1) and the upper cover (2) are fixed, the pressure strip (24) will press the foam pad (8) to achieve sealing and waterproofing; one side of the surface of the upper cover (2) is provided with an upper cover arrow mark (26), and the upper cover arrow mark (26) corresponds to the bottom cover arrow mark (16), which is used to increase the accuracy and convenience of the bottom cover (1) and the upper cover (2) when they are covered and installed.
8. The integrated millimeter wave and ultrasonic radar for automobiles according to claim 3, characterized in that: Three strapping screw columns (41) are integrally molded on both sides of the surface of the internal bracket (4), and the main PCBA board (3) is placed on the strapping screw columns (41) during installation and is locked and fixed by screws; four bracket screw holes (42) are arranged on both sides of the surface of the internal bracket (4), and the bracket screw holes (42) cooperate with the internal bracket screw columns (23) and can lock and fix the internal bracket (4) by screws; and limiting blocks (43) are integrally molded on both sides of the bracket screw holes (42), and the limiting blocks (43) can limit the movement range of the internal bracket (4), thereby facilitating the installation and fixing of the internal bracket (4).