Automobile millimeter wave radar

Abstract

The utility model relates to the technical field of automobile radars, in particular to an automobile millimeter wave radar which comprises a bottom cover, an upper cover is connected to the surface of the bottom cover, an internal support is installed in the upper cover, and a radar assembly is arranged on the surface of the internal support. The radar assembly is composed of a left side millimeter wave radar located on the left side and a right side millimeter wave radar located on the right side. The surface of the internal support is connected with a main PCBA board, and the bottom end of the bottom cover is provided with a wire harness. According to the utility model, the two millimeter-wave radar modules are symmetrically arranged left and right to form a whole 180-degree full-coverage large detection range, so that the blind area of a single millimeter-wave radar is perfectly solved, and the performance of a radar system is greatly improved; meanwhile, when 24G millimeter wave radars are adopted on the left side and the right side of the radar assembly, or the 24G millimeter wave radars are adopted on one side and the 77G millimeter wave radars are adopted on the other side, cost is not high, and good cost performance is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile radars, in particular to an automobile millimeter wave radar. Background Art

[0002] At present, in order to improve the driving safety of automobiles, millimeter-wave radars installed on automobiles are used to detect obstacles on the road surface. When dangerous obstacles are detected, the radar system will give an alarm to the driver in the car. The current millimeter-wave radar has a fan-shaped horizontal detection range, and the horizontal detection angle is usually 80-150°. Therefore, there are blind spots on the left and right sides of the millimeter-wave radar close to the vehicle, which poses a great safety hazard. Utility Model Content

[0003] The utility model aims to provide a millimeter-wave radar for automobiles, so as to solve the problem in the above-mentioned background technology that the existing millimeter-wave radar has blind spots on the left and right sides close to the vehicle, which poses a great safety hazard.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vehicle millimeter-wave radar, the radar assembly consisting of a left-side millimeter-wave radar located on the left and a right-side millimeter-wave radar located on the right, the left millimeter-wave radar and the right millimeter-wave radar are symmetrically distributed about the center line of the bottom cover, and the left millimeter-wave radar detects toward the left front, the detection direction is 45° with the horizontal axis of the radar body, and the detection range covers the left half of the entire detection area of ​​the assembly; and the right millimeter-wave radar detects toward the right front, the detection direction is 45° with the horizontal axis of the radar body, and the detection range covers the right half of the entire detection area of ​​the assembly.

[0005] Preferably, the operating frequencies of the left millimeter-wave radar (5) and the right millimeter-wave radar (6) are both 77G or 24G, and the horizontal detection angle is 80-150°.

[0006] Preferably, the operating frequency of the left millimeter-wave radar (5) is 77G, and the operating frequency of the right millimeter-wave radar (6) is 24G; or the operating frequency of the left millimeter-wave radar (5) is 24G, and the operating frequency of the right millimeter-wave radar (6) is 77G.

[0007] Preferably, it includes a bottom cover, the surface of the bottom cover is connected to the upper cover, and the interior of the upper cover is installed with an internal bracket, the surface of the internal bracket is provided with a radar assembly, the surface of the internal bracket is connected to the main PCBA board, the bottom end of the bottom cover is provided with a wiring harness, the top end of the wiring harness is electrically connected with a plug, the plug passes through the bottom cover and is plugged into the main PCBA board to realize the electrical connection between the radar and the vehicle display and / or controller, twelve bottom cover screw holes are provided at the edge of the bottom cover surface, a waterproof rubber ring groove is provided on the surface of the bottom cover and located on the outside of the wire outlet hole, 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; radar fixing screw holes are provided on both sides of the bottom cover surface, and two anti-fool blocks are integrally cast on the surface of one side of the bottom cover; a bottom cover arrow mark is also provided on the surface of the bottom cover.

[0008] Preferably, a wire outlet hole is provided at the center of the bottom cover surface, and the wire outlet hole facilitates the insertion and installation of the wire harness; an air hole is provided on the bottom cover surface and located on one side of the wire outlet hole, and the air hole facilitates convection of air inside and outside; the surface of the air hole is covered with a waterproof breathable membrane, and the waterproof breathable membrane is attached to the inner wall of the bottom cover.

[0009] Preferably, twelve bottom cover fixing screw columns are arranged at the edge of the upper cover surface, and the bottom cover fixing screw columns cooperate with the bottom cover screw holes and can threadably fix the bottom cover and the upper cover by screws; radar fixing screw grooves are arranged on both sides of the upper cover surface.

[0010] Preferably, 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; a pressure strip is integrally cast on the surface of the upper cover, and when the bottom cover and the upper cover are fixed, the pressure strip will press the waterproof rubber ring to achieve sealing and waterproofing; two anti-foolproof grooves are provided on the surface of one side of the upper cover, and the anti-foolproof grooves and the anti-foolproof blocks cooperate with each other to prevent the bottom cover and the upper cover from being closed.

[0011] Preferably, a plurality of groups of slatted ribs are integrally cast on the surface of the upper cover, and the slatted ribs are used to support the left millimeter-wave radar and the right millimeter-wave radar so that the left millimeter-wave radar and the right millimeter-wave radar maintain a predetermined height from the inner wall of the upper cover; a pressure plate groove is provided on the surface of the upper cover and on one side of the slatted ribs; two internal bracket screw columns are respectively provided on both sides of the surface of the upper cover, and the internal bracket screw columns are used to support and fix the internal bracket.

[0012] Preferably, three strapping screw columns are cast on both sides of the surface of the internal bracket, and the main PCBA board is placed on the strapping screw columns and locked and fixed by screws during installation; four bracket screw holes are provided on the surface of the internal bracket and between adjacent strapping screw columns, and the bracket screw holes cooperate with the internal bracket screw columns and lock and fix the internal bracket by screws; limit blocks are integrally cast on both sides of the bracket screw holes, and the limit blocks are used to limit the moving range of the internal bracket to facilitate the installation and fixation of the internal bracket.

[0013] Preferably, a clamping block is integrally cast at the top end of the wiring harness, and the clamping block engages with the wire outlet hole after rotation.

[0014] Preferably, the operating frequencies of the left millimeter-wave radar and the right millimeter-wave radar are both 77G or 24G, and the horizontal detection angle is 80-150 degrees; and the left millimeter-wave radar detects toward the left front, and the detection direction is 45° to the horizontal axis of the radar body; and the right millimeter-wave radar detects toward the right front, and the detection direction is 45° to the horizontal axis of the radar body.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the internal setting of the automotive millimeter-wave radar is to arrange two millimeter-wave radar modules symmetrically on the left and right, thus forming an overall 180-degree full coverage large detection range, which perfectly solves the blind spots existing in a single millimeter-wave radar, thereby greatly improving the performance of the radar system; at the same time, when 24G millimeter-wave radars are used on both sides of the left and right sides of the radar assembly, or 24G millimeter-wave radars are used on one side and 77G millimeter-wave radars are used on the other side, because the cost of 24G millimeter-wave radars is relatively low, the radar of the utility model not only solves the blind spots of traditional single millimeter-wave radars, but also has a low cost compared to single 77G millimeter-wave radars, so it has a good cost performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the three-dimensional appearance of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the upper cover of the utility model in a separated state;

[0018] Figure 3 It is a schematic diagram of the three-dimensional explosion structure of the utility model;

[0019] Figure 4 It is an enlarged structural schematic diagram of the bottom cover of the utility model;

[0020] Figure 5 It is a schematic diagram of the enlarged structure of the upper cover of the utility model;

[0021] Figure 6 This is a schematic diagram of the internal bracket structure of the utility model when viewed from above;

[0022] Figure 7 This is a schematic diagram of the internal bracket structure of the utility model from a top-down perspective;

[0023] Figure 8 It is a schematic diagram of the detection working state structure of the utility model.

[0024] In the figure: 1. Bottom cover; 101. Waterproof breathable membrane; 11. Bottom cover screw hole; 12. Waterproof rubber ring groove; 13. Anti-fool block; 14. Bottom cover arrow mark; 15. Wire outlet hole; 16. Breathing hole; 17. Radar fixing screw hole; 2. Upper cover; 21. Bottom cover fixing screw column; 22. Radar fixing screw groove; 23. Upper cover arrow mark; 24. Pressure strip; 25. Rib strip; 26. Pressure plate groove; 27. Internal bracket screw column; 28. Anti-fool groove; 3. Main PCBA board; 4. Internal bracket; 41. Rib screw column; 42. Bracket screw hole; 43. Limit block; 5. Left millimeter-wave radar; 6. Right millimeter-wave radar; 7. Wiring harness; 71. Block; 72. Plug; 8. Waterproof rubber ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] The utility model provides a vehicle millimeter wave radar structure as follows Figure 1 as well as Figure 4 As shown, it includes a bottom cover 1, twelve bottom cover screw holes 11 are opened on the edge of the bottom cover 1 surface, a waterproof rubber ring groove 12 is opened on the surface of the bottom cover 1 and located outside the outlet hole 15, a waterproof rubber ring 8 is placed inside the waterproof rubber ring groove 12, and the waterproof rubber ring 8 is used for waterproof sealing after the bottom cover 1 and the upper cover 2 are closed and locked; radar fixing screw holes 17 are set on both sides of the bottom cover 1 surface, and two fool-proof blocks 13 are integrally cast on the surface of one side of the bottom cover 1; the surface of the bottom cover 1 is also provided with a bottom cover arrow mark 14, A wire outlet hole 15 is provided at the center of the surface of the bottom cover 1, and the wire outlet hole 15 is convenient for the insertion and installation of the wiring harness 7; an air vent 16 is provided on the surface of the bottom cover 1 and located on one side of the wire outlet hole 15, and the right air vent 16 is convenient for the convection of the inside and outside air to keep the pressure inside the probe consistent with that of the outside; the surface of the air vent 16 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, and the waterproof breathable membrane 101 is used to realize the ventilation of the radar and prevent water from entering the interior of the radar.

[0027] 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 16 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.

[0028] Furthermore, if Figure 2 as well as Figure 5 As shown, the surface of the bottom cover 1 is connected to the upper cover 2, and twelve bottom cover fixing screw columns 21 are arranged at the edge of the surface of the upper cover 2. The bottom cover fixing screw columns 21 cooperate with the bottom cover screw holes 11 and can screw the bottom cover 1 and the upper cover 2 together; radar fixing screw grooves 22 are arranged on both sides of the surface of the upper cover 2, and when the radar is installed, the radar is fixed to the car or the bracket connected to the car by screws passing through the radar fixing screw grooves 22 and the radar fixing screw holes 17. One side of the surface of the upper cover 2 is provided with an upper cover arrow mark The arrow mark 23 on the upper cover corresponds to the arrow mark 14 on the bottom cover, and is used to increase the accuracy and convenience of the bottom cover 1 and the upper cover 2 when they are closed and installed; a pressure strip 24 is integrally cast on the surface of the upper cover 2, and when the bottom cover 1 and the upper cover 2 are fixed, the pressure strip 24 will press the waterproof rubber ring 8 to achieve sealing and waterproofing; two fool-proof grooves 28 are provided on the surface of one side of the upper cover 2, and the fool-proof grooves 28 cooperate with the fool-proof block 13 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.

[0029] Furthermore, if Figure 3 as well as Figure 5 As shown, the surface of the upper cover 2 is integrally cast with several groups of slat ribs 25, which are used to receive the left millimeter-wave radar 5 and the right millimeter-wave radar 6, so that the left millimeter-wave radar 5 and the right millimeter-wave radar 6 maintain a predetermined height from the inner wall of the upper cover 2; a pressure plate groove 26 is provided on the surface of the upper cover 2 and located on one side of the slat rib 25, and the pressure plate groove 26 is composed of two ribs. After the left millimeter-wave radar 5 and the right millimeter-wave radar 6 are placed in place on the slat rib 25, they are screwed into the pressure plate groove 26 by screws, and the screw cap brim is tightly pressed on the plate edge of the left millimeter-wave radar 5 and the right millimeter-wave radar 6 to realize the fixing function of the left millimeter-wave radar 5 and the right millimeter-wave radar 6; two internal bracket screw columns 27 are provided on both sides of the surface of the upper cover 2, and the internal bracket screw columns 27 are used to receive and fix the internal bracket 4.

[0030] During implementation, the upper cover 2 and the bottom cover 1 are covered in the direction of the upper cover arrow mark 23 and the bottom cover arrow mark 14, and the anti-fool groove 28 of the upper cover 2 cooperates with the anti-fool block 13 of the bottom cover 1 to ensure that the installation direction is correct. After covering, press tightly, and then lock the screws into the twelve screw holes 11 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, if Figure 6 as well as Figure 7 As shown, an internal bracket 4 is installed inside the upper cover 2, and three strapping screw columns 41 are cast 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 provided on the surface of the internal bracket 4 and between adjacent strapping screw columns 41, and the bracket screw holes 42 cooperate with the internal bracket screw columns 27 and lock and fix the internal bracket 4 by screws; limiting blocks 43 are integrally cast on both sides of the bracket screw holes 42, and the limiting blocks 43 are used for limiting the moving range of the internal bracket 4 to facilitate the installation and fixing of the internal bracket 4, and a radar assembly is provided on the surface of the internal bracket 4, which consists of a left-side millimeter-wave radar 5 located on the left and a right-side millimeter-wave radar 6 located on the right, and the left-side millimeter-wave radar 5 and the right-side millimeter-wave radar 6 are symmetrically distributed about the center line of the bottom cover 1.

[0032] During implementation, the board screw column 41 on the internal bracket 4 is placed into the upper cover 2 with the board screw column 41 facing outward, and is placed on the internal bracket screw column 27 at the bottom of the upper cover 2. The limit block 43 of the internal bracket 4 can quickly align the screw hole of the internal bracket 4 with the inner hole of the internal bracket screw column 27, and then, the screws are locked in the four screw holes to complete the installation and fixation of the internal bracket 4.

[0033] Furthermore, if Figure 3 As shown, the surface of the internal bracket 4 is connected to the main PCBA board 3, which is used to receive the detection signals of the left millimeter-wave radar 5 and the right millimeter-wave radar 6, and comprehensively form a detection signal within a range of 180 degrees in front of the radar; at the same time, the main PCBA board 3 communicates with the vehicle display or controller, and when an obstacle is detected, the vehicle display gives an alarm prompt, and the controller controls the vehicle braking system to brake. A wiring harness 7 is provided at the bottom end of the bottom cover 1, and a plug 72 is electrically connected to the top of the wiring harness 7. The plug 72 passes through the bottom cover 1 and is mutually plugged with the main PCBA board 3, so as to realize the electrical connection between the radar and the vehicle display and the controller. A card block 71 is integrally cast at the top of the wiring harness 7, and the card block 71 is mutually buckled with the outlet hole 15 after rotation.

[0034] During implementation, the left millimeter-wave radar 5 is placed on the rib 25 on the left side of the upper cover 2. After it is placed in place, the screws are locked into the pressure plate groove 26 on the left side, and the screw cap edge presses the edge of the PCBA board to fix the left millimeter-wave radar 5; similarly, there are also ribs 25 and pressure plate grooves 26 on the right side of the upper cover 2, and the right millimeter-wave radar 6 is installed on the right side of the upper cover 2, and the installation and fixing method is the same as that of the left millimeter-wave radar 5.

[0035] When the automobile millimeter wave radar of the utility model is actually used, Figure 8As shown, A is a car, B is the radar of the utility model, C is the detection range of the left millimeter-wave radar, and D is the detection range of the right ultrasonic sensor; the operating frequencies of the left millimeter-wave radar 5 and the right millimeter-wave radar 6 are 77G or 24G, and the horizontal detection angle is 80-150 degrees; and the left millimeter-wave radar 5 detects toward the left front, the detection direction is 45° with the horizontal axis of the radar body, and its detection range covers the left half of the entire detection area of ​​the assembly; and the right millimeter-wave radar 6 detects toward the right front, the detection direction is 45° with the horizontal axis of the radar body, and its detection range covers the right half of the entire detection area of ​​the assembly.

[0036] Working principle: When installing the millimeter-wave radar, first place the left millimeter-wave radar 5 on the rib 25 on the left side of the upper cover 2. After it is placed in place, the screws are locked into the pressure plate groove 26 on the left side, and the screw cap edge presses the edge of the PCBA board to fix the left millimeter-wave radar 5; similarly, there are also ribs 25 and pressure plate grooves 26 on the right side of the upper cover 2. The right millimeter-wave radar 6 is installed on the right side of the upper cover 2, and the installation and fixing method is the same as that of the left millimeter-wave radar 5.

[0037] Next, place the board screw column 41 on the internal bracket 4 into the upper cover 2 with the board screw column 41 facing outward, and place it on the internal bracket screw column 27 at the bottom of the upper cover 2. The limit block 43 of the internal bracket 4 can quickly align the screw hole of the internal bracket 4 with the inner hole of the internal bracket screw column 27. Then, lock the screws in the four screw holes to complete the installation and fixation of the internal bracket 4.

[0038] Subsequently, the left millimeter-wave radar 5 and the right millimeter-wave radar 6 are electrically connected to the main PCBA board 3, and the main PCBA board 3 is installed and fixed to the internal bracket 4. During installation, the plug connectors on the left millimeter-wave radar 5 and the right millimeter-wave radar 6 are first plugged into the sockets of the main PCBA board 3 one by one to complete the electrical connection, and then the main PCBA board 3 is placed on the board screw column 41 of the internal bracket 4, and the screws are locked to complete the fixing of the main PCBA board 3.

[0039] Afterwards, 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 16 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; and the section of the wiring harness 7 with the plug 72 is inserted into the outlet hole 15 of the bottom cover 1, rotate the wiring harness 7 to make the wiring harness 7 and the bottom cover 1 fit well, and then apply glue in the outlet hole 15 of the bottom cover 1 to further fix the wiring harness 7 and seal it to achieve a waterproof state, and then place the waterproof rubber ring 8 into the waterproof rubber ring groove 12 of the bottom cover 1, flatten it, and press it to the bottom.

[0040] Finally, connect the upper cover 2 and the bottom cover 1. When connecting, first electrically connect the wiring harness 7 and the main PCBA board 3 through the connector docking method; then, the upper cover 2 and the bottom cover 1 are covered according to the direction of the upper cover arrow mark 23 and the bottom cover arrow mark 14, and the anti-fool groove 28 of the upper cover 2 cooperates with the anti-fool block 13 of the bottom cover 1 to ensure that the installation direction is correct. After covering, press it tightly, and then lock the screws into the twelve screw holes of the bottom cover 1 one by one, that is, the installation of the upper cover 2 group and the bottom cover 1 group is completed. After locking, the pressure strip 24 of the upper cover 2 tightly presses the waterproof rubber ring 8 installed on the bottom cover 1, which plays an overall sealing and waterproof role. At this point, all installation is completed.

[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. An automotive millimeter wave radar, characterized in that: The radar assembly is composed of a left-side millimeter-wave radar (5) located on the left side and a right-side millimeter-wave radar (6) located on the right side, wherein the left-side millimeter-wave radar (5) and the right-side millimeter-wave radar (6) are symmetrically distributed about the center line of the bottom cover (1); and the left-side millimeter-wave radar (5) detects toward the left front, and the detection direction is 45 degrees with the horizontal axis of the radar body, and the detection range covers the left half of the entire detection area of ​​the assembly; and the right-side millimeter-wave radar (6) detects toward the right front, and the detection direction is 45 degrees with the horizontal axis of the radar body, and the detection range covers the right half of the entire detection area of ​​the assembly.

2. The automotive millimeter wave radar according to claim 1, characterized in that: The operating frequencies of the left millimeter wave radar (5) and the right millimeter wave radar (6) are both 77G or 24G, and the horizontal detection angle is 80-150°.

3. The automotive millimeter wave radar according to claim 1, characterized in that: The operating frequency of the left millimeter wave radar (5) is 77G, and the operating frequency of the right millimeter wave radar (6) is 24G; or the operating frequency of the left millimeter wave radar (5) is 24G, and the operating frequency of the right millimeter wave radar (6) is 77G.

4. The automotive millimeter wave radar according to claim 1, characterized in that: The invention comprises a bottom cover (1), the surface of the bottom cover (1) is connected to an upper cover (2), an internal bracket (4) is installed inside the upper cover (2), a radar assembly is arranged on the surface of the internal bracket (4), a main PCBA board (3) is connected to the surface of the internal bracket (4), a wiring harness (7) is arranged at the bottom end of the bottom cover (1), a plug (72) is electrically connected to the top end of the wiring harness (7), the plug (72) passes through the bottom cover (1) and is plugged into the main PCBA board (3) to realize the electrical connection between the radar and the vehicle-mounted display and / or controller, the surface of the bottom cover (1) Twelve bottom cover screw holes (11) are provided at the edge of the bottom cover (1); a waterproof rubber ring groove (12) is provided on the surface of the bottom cover (1) and located outside the wire outlet hole (15); a waterproof rubber ring (8) is placed inside the waterproof rubber ring groove (12); the waterproof rubber ring (8) is used for waterproof sealing after the bottom cover (1) and the upper cover (2) are closed and locked; radar fixing screw holes (17) are provided on both sides of the surface of the bottom cover (1); two anti-fouling blocks (13) are integrally cast on the surface of one side of the bottom cover (1); and a bottom cover arrow mark (14) is also provided on the surface of the bottom cover (1).

5. The automotive millimeter wave radar according to claim 4, characterized in that: A wire outlet hole (15) is provided at the center of the surface of the bottom cover (1), and the wire outlet hole (15) facilitates the insertion and installation of the wire harness (7); a vent hole (16) is provided on the surface of the bottom cover (1) and located on one side of the wire outlet hole (15), and the vent hole (16) facilitates the convection of internal and external air; the surface of the vent hole (16) 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).

6. The automotive millimeter wave radar according to claim 4, characterized in that: Twelve bottom cover fixing screw columns (21) are arranged at the edge of the surface of the upper cover (2), and the bottom cover fixing screw columns (21) cooperate with the bottom cover screw holes (11) and can threadably fix the bottom cover (1) and the upper cover (2) by means of screws; radar fixing screw grooves (22) are arranged on both sides of the surface of the upper cover (2).

7. The automotive millimeter wave radar according to claim 4, characterized in that: An upper cover arrow mark (23) is provided on one side of the surface of the upper cover (2), and the upper cover arrow mark (23) corresponds to the bottom cover arrow mark (14), and is used to increase the accuracy and convenience of the bottom cover (1) and the upper cover (2) when they are covered and installed; a pressure strip (24) is integrally cast on the surface of the upper cover (2), and when the bottom cover (1) and the upper cover (2) are fixed, the pressure strip (24) will press the waterproof rubber ring (8) to achieve sealing and waterproofing; two foolproof grooves (28) are provided on the surface of one side of the upper cover (2), and the foolproof grooves (28) cooperate with the foolproof block (13) to prevent the bottom cover (1) and the upper cover (2) from being fooled when they are covered.

8. The automotive millimeter wave radar according to claim 5, characterized in that: The surface of the upper cover (2) is integrally cast with a plurality of groups of slat ribs (25), the slat ribs (25) being used to receive the left millimeter wave radar (5) and the right millimeter wave radar (6), so that the left millimeter wave radar (5) and the right millimeter wave radar (6) are kept at a predetermined height from the inner wall of the upper cover (2); a pressure plate groove (26) is provided on the surface of the upper cover (2) and located on one side of the slat ribs (25); two internal bracket screw columns (27) are respectively provided on both sides of the surface of the upper cover (2), and the internal bracket screw columns (27) are used to receive and fix the internal bracket (4).

9. The automotive millimeter wave radar according to claim 4, characterized in that: Three lap screw columns (41) are cast on both sides of the surface of the internal bracket (4), and the main PCBA board (3) is placed on the lap screw columns (41) and is locked and fixed by screws during installation; four bracket screw holes (42) are arranged on the surface of the internal bracket (4) and between adjacent lap screw columns (41), and the bracket screw holes (42) cooperate with the internal bracket screw columns (27) and lock and fix the internal bracket (4) by screws; and limit blocks (43) are integrally cast on both sides of the bracket screw holes (42), and the limit blocks (43) are used to limit the moving range of the internal bracket (4) to facilitate the installation and fixing of the internal bracket (4).

10. The automotive millimeter wave radar according to claim 4, characterized in that: A clamping block (71) is integrally cast at the top end of the wiring harness (7), and the clamping block (71) is interlocked with the wire outlet hole (15) after rotation.

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