Intelligent vehicle-mounted millimeter wave radar

Abstract

The utility model provides an intelligent vehicle-mounted millimeter-wave radar which comprises a millimeter-wave radar body, the millimeter-wave radar body is connected with a left lamp interface, a right lamp interface and a radar warning lamp circuit, and the radar warning lamp circuit is connected with a radar warning lamp. The left lamp interface and the right lamp interface are used for realizing signal interaction between the millimeter-wave radar main body and the vehicle left and right blind area monitoring indication lamps, so as to remind a driver according to the vehicle coming conditions of the left and right side areas of the vehicle; and controlling the operation of the vehicle radar warning lamp to remind a driver. The millimeter-wave radar main body is connected with the left and right blind area monitoring indication lamps / RCW indication lamps of the vehicle through the left lamp interface and the right lamp interface, when the millimeter-wave radar main body detects that vehicles come from the left and right side areas of the vehicle, a driver can be prompted rapidly through the left and right blind area monitoring indication lamps, and potential safety hazards caused by blind areas are effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of radars, and in particular to an intelligent vehicle-mounted millimeter-wave radar. Background Art

[0002] As the name implies, automotive radar is a radar used in cars or other ground motor vehicles. It is designed and used based on different technologies and working principles; automotive radar has many functions, including detecting obstacles, predicting collisions, and implementing adaptive cruise control;

[0003] With the rapid development of transportation, driving safety issues are increasingly attracting people's attention, especially in complex road traffic environments. The emergence of vehicle-mounted radar can help drivers detect vehicles coming from multiple directions to ensure driving safety. However, traditional vehicle-mounted radars have fixed settings and poor operability, which greatly limits user choices. Therefore, we make improvements to this and propose an intelligent vehicle-mounted millimeter-wave radar. Summary of the invention

[0004] The utility model aims to solve the problem that the existing traditional vehicle-mounted radar has fixed setting procedures, poor operability and greatly limits the choice of users.

[0005] In order to achieve the above-mentioned purpose of the invention, the utility model provides an intelligent vehicle-mounted millimeter-wave radar to improve the above-mentioned problem.

[0006] The specific application is as follows:

[0007] An intelligent vehicle-mounted millimeter-wave radar comprises a millimeter-wave radar body, wherein the millimeter-wave radar body is connected to a left light interface, a right light interface and a radar warning light circuit, wherein the radar warning light circuit is connected to the radar warning light; the left light interface and the right light interface are used to realize signal interaction between the millimeter-wave radar body and the left and right blind spot monitoring indicator lights and the RCW indicator lights of the vehicle, so as to remind the driver according to the situation of vehicles approaching in the left and right areas of the vehicle, and the radar warning light circuit is used to control the operation of the vehicle radar warning light to remind the driver when the millimeter-wave radar detects a potential obstacle; the millimeter-wave radar body is also connected to an on-board APP, a Bluetooth module and a CAN bus circuit, wherein the on-board APP is used for user remote control; the Bluetooth module is used to realize wireless communication between the millimeter-wave radar body and other Bluetooth devices, and the CAN bus is used to realize firmware upgrades, capture data and subsequent reserved communications.

[0008] As a preferred technical solution of the present application, the millimeter-wave radar body is also connected to a power supply, which is used to provide power supply to the millimeter-wave radar body.

[0009] As a preferred technical solution of the present application, the millimeter-wave radar body is also connected to a connector, and a protective member is provided between the millimeter-wave radar body and the connector, and the protective member is used to protect the millimeter-wave radar body.

[0010] As a preferred technical solution of the present application, the protective member includes a base and an end cover connected to the base, a retaining ring is fixedly installed on the side of the base close to the end cover, the millimeter wave radar body is arranged in the retaining ring, and a second sealing ring is arranged between the side of the retaining ring away from the base and the end cover.

[0011] As a preferred technical solution of the present application, a wire hole is opened on one side of the retaining ring, one end of the connector passes through the wire hole and extends to the outside of the base, and a first sealing ring is arranged between the outer surface of the connector and the wire hole.

[0012] As a preferred technical solution of the present application, a mounting guard is provided on a side of the base away from the end cover, and the mounting guard is used for mounting the base.

[0013] As a preferred technical solution of the present application, the mounting protective member includes a connecting seat installed on a side of the base away from the end cover, and sliding grooves are provided on both sides of the connecting seat. Buckles are provided in both sliding grooves, a mounting cover is connected between the two buckles, and a connecting member is provided between the two buckles and the connecting seat.

[0014] As a preferred technical solution of the present application, limiting grooves are provided on both sides of the mounting cover, the two clips are respectively located in the two limiting grooves, and a notch is provided on the side wall of one of the limiting grooves, and the two inner walls of the limiting grooves provided on the mounting cover both protrude inward.

[0015] As a preferred technical solution of the present application, the connecting member includes a chamber opened in the connecting seat, and two pull rods are inserted and connected in the chamber. The ends of the two pull rods that are away from each other pass through the chamber and are fixedly connected to two buckles respectively.

[0016] As a preferred technical solution of the present application, the outer surface of the pull rod is sleeved with a spring located in the chamber, and the two ends of the spring are fixedly connected to the pull rod and the chamber respectively.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] In the scheme of this application:

[0019] In order to solve the problem that traditional vehicle-mounted radars in the prior art have fixed setting programs, poor operability, and greatly limit user choices, the millimeter-wave radar body in the present application is connected to the left and right blind spot monitoring indicator lights / RCW indicator lights of the vehicle through the left light interface and the right light interface. When the millimeter-wave radar body detects oncoming vehicles in the left and right areas of the vehicle, it can quickly remind the driver through the left and right blind spot monitoring indicator lights, effectively avoiding safety hazards caused by blind spots; in addition, the control function of the radar warning light enables the driver to be quickly reminded when the millimeter-wave radar body detects potential obstacles, and has enough time to react and avoid potential dangers. Compared with the prior art, the present application has innovative capabilities in safety configuration, and the experience and operability are more humane, which can improve user comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the intelligent vehicle-mounted millimeter-wave radar provided for this application;

[0021] Figure 2 A schematic diagram of the structure of the base and end cover provided for this application;

[0022] Figure 3 Provided for this application Figure 2 Exploded diagram of

[0023] Figure 4 Provided for this application Figure 2 A rear view structural diagram of ;

[0024] Figure 5 A schematic diagram of the structure of the installation protection member provided for this application;

[0025] Figure 6 A schematic diagram of the structure of the mounting cover provided for this application;

[0026] Figure 7 Provided for this application Figure 5 Schematic diagram of the structure viewed from above;

[0027] Figure 8 A schematic cross-sectional view of the connecting socket provided in this application;

[0028] Fig. 9 A schematic diagram of the structure of the installation cover and the connecting seat provided in this application when protecting the base and the end cover;

[0029] Fig.10 This is a detection area diagram of the millimeter wave radar body provided in this application.

[0030] Indicated in the figure:

[0031] 1. Millimeter-wave radar body; 101. Connector; 102. First sealing ring; 201. Base; 202. End cover; 203. Retaining ring; 204. Second sealing ring; 3. Mounting protective part; 301. Connecting seat; 302. Slide groove; 303. Chamber; 304. Pull rod; 305. Buckle; 306. Spring; 307. Mounting cover; 308. Limiting groove; 309. Notch. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0033] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0034] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0035] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0036] Example 1, please refer to Figure 1 , an intelligent vehicle-mounted millimeter-wave radar, comprising a millimeter-wave radar body 1, the millimeter-wave radar body 1 is connected to a left light interface, a right light interface and a radar warning light circuit, and the radar warning light circuit is connected to the radar warning light;

[0037] The left light interface and the right light interface are used to realize the signal interaction between the millimeter-wave radar body 1 and the left and right blind spot monitoring indicator lights and the RCW indicator lights of the vehicle, and can remind the driver according to the vehicle situation on the left and right sides of the vehicle; when there is a moving obstacle approaching or moving away from the side and rear of the vehicle, the left and right blind spot monitoring indicator lights will light up to remind the driver that there are vehicles or pedestrians in the blind spot, and the driver should be cautious in changing lanes or turning to avoid traffic accidents caused by visual blind spots; the left light interface and the right light interface are both connected to the instrument end and the rearview mirror wiring harness. The radar warning light circuit is used to control the operation of the warning light to remind the driver when the millimeter-wave radar detects potential obstacles or dangerous situations. The millimeter-wave radar body 1 adopts a 77GHz frequency modulated continuous wave (FMCW) short-range millimeter-wave radar sensor with separate transmission and reception, which is suitable for blind spot detection and rear collision warning RCW; the radar has a high degree of integration, high accuracy and high sensitivity in distance measurement, speed measurement and angle measurement;

[0038] The millimeter-wave radar body 1 is also connected to the on-board APP, which is used for user remote control to improve the convenience and flexibility of use; the on-board APP is also used for radar installation position setting, vehicle model adaptation, BSD blind spot detection, RCW rear collision warning, radar monitoring width, warning light brightness, radar upgrade and radar Bluetooth upgrade; the millimeter-wave radar body 1 can be designed into three types of millimeter-wave radars according to its different detection widths (narrow, medium, and wide), so that it can be suitable for different vehicle models. For example, in actual applications, the appropriate millimeter-wave radar can be selected according to the actual vehicle model of the vehicle, whether it is a long car or a short car. In addition, the specific installation position of the intelligent vehicle-mounted millimeter-wave radar of the present application on the vehicle can also be adjusted according to the vehicle model. For example, the installation position of the radar can be set at the long tail or the short tail, thereby achieving the correct setting of the radar installation position according to the actual situation of the vehicle model, so that the radar can be used to achieve the best effect.

[0039] The present application is applicable to the blind spot monitoring and rear collision warning of vehicles. Blind spot monitoring, i.e. BSD, has two settings: off and detection. Rear collision warning, i.e. RCW, has three settings: off, two distances, and detection. The TTC calculation formula is used to reasonably calculate the collision time warning. The TTC calculation formula is: TTC = D / (Vt-Vs), where TTC represents the collision time, D represents the distance between vehicles, Vt represents the speed of the approaching vehicle, Vs represents the speed of the approached vehicle, and relative speed = target vehicle speed - self-vehicle speed. The detection area of ​​the millimeter wave radar body 1 is as follows: Fig.10 shown.

[0040] The millimeter-wave radar body 1 is also connected to a Bluetooth module, which is used to realize wireless communication between the millimeter-wave radar body 1 and other Bluetooth devices, realize data transmission and sharing; and can also perform OTA upgrades of radar software, radar binding vehicle functions, and pairing interactive APPs;

[0041] The millimeter wave radar body 1 is also connected to a power supply, which is used to provide power to the millimeter wave radar body 1 to ensure the normal operation of the radar. The power supply can be powered by the whole vehicle to provide power;

[0042] The millimeter-wave radar body 1 is also connected to the CAN bus circuit, which is used to realize data interaction and collaborative work between the millimeter-wave radar body 1 and other control systems of the vehicle, thereby improving the overall safety and intelligence level of the vehicle, and can realize firmware upgrades, data capture, and subsequent reserved communications through the CAN bus.

[0043] Embodiment 2 further optimizes the intelligent vehicle-mounted millimeter wave radar provided in Embodiment 1. Specifically, Figure 2 - Figure 4 As shown, the millimeter-wave radar body 1 is also connected to a connector 101, and a protective member is arranged between the millimeter-wave radar body 1 and the connector 101. The protective member is used to protect the millimeter-wave radar body 1 to reduce the influence of the millimeter-wave radar body 1 on the external environment. The connector 101 is used to realize the connection between the millimeter-wave radar body 1 and the vehicle wiring harness, and then realize the connection with the vehicle control system. The length of the vehicle wiring harness can be adjusted according to the vehicle model to adapt to vehicles of different models.

[0044] Further, such as Figure 2 - Figure 4 As shown, the protective member includes a base 201 and an end cover 202 connected to the base 201, a retaining ring 203 is fixedly installed on the side of the base 201 close to the end cover 202, the millimeter wave radar body 1 is arranged in the retaining ring 203, and a second sealing ring 204 is arranged between the side of the retaining ring 203 away from the base 201 and the end cover 202. The second sealing ring 204 and the retaining ring 203 cooperate with each other to improve the sealing effect of the connection between the base 201 and the end cover 202, thereby improving the protection effect of the millimeter wave radar body 1, reducing the influence of the millimeter wave radar body 1 on the external environment, and thereby increasing the service life of the millimeter wave radar body 1, and the base 201 and the end cover 202 are fixed by bolts.

[0045] Further, such as Figure 3 As shown, a wire hole is opened on one side of the retaining ring 203, one end of the connector 101 passes through the wire hole and extends to the outside of the base 201, and a first sealing ring 102 is arranged between the outer surface of the connector 101 and the wire hole. The setting of the first sealing ring 102 can improve the sealing between the connector 101 and the wire hole.

[0046] Embodiment 3 further optimizes the intelligent vehicle-mounted millimeter wave radar provided in Embodiment 2. Specifically, Figure 5 - Figure 8As shown, a mounting protection member 3 is provided on one side of the base 201 away from the end cover 202. The mounting protection member 3 is used for mounting the base 201, and the mounting protection member 3 can also be switched to Fig. 9 The shape realizes protection of the base 201 and the end cover 202.

[0047] Further, such as Figure 5 - Figure 8 As shown, the mounting protective member 3 includes a connecting seat 301 mounted on a side of the base 201 away from the end cover 202, and slide grooves 302 are provided on both sides of the connecting seat 301. Buckles 305 are provided in the two slide grooves 302, a mounting cover 307 is connected between the two buckles 305, and a connecting member is provided between the two buckles 305 and the connecting seat 301, the buckle 305 and the mounting cover 307 are detachably connected, that is, the two buckles 305 can be pulled away from each other to achieve separation from the mounting cover 307, and the mounting cover 307 is provided with mounting holes for fixing in the vehicle by screws. This arrangement allows the base 201 and the millimeter-wave radar body 1 to be quickly removed from the vehicle during temporary maintenance, and when the millimeter-wave radar body 1 is sent for inspection, the mounting cover 307 can also be removed from the vehicle, and at this time the mounting cover 307 can be buckled on the connecting seat 301 to protect the base 201 and the end cover 202.

[0048] Further, such as Figure 5 - Figure 8 As shown, limiting grooves 308 are provided on both sides of the mounting cover 307, and the two buckles 305 are respectively located in the two limiting grooves 308, and a notch 309 is provided on the side wall of one of the limiting grooves 308. The two inner side walls of the limiting grooves 308 provided on the mounting cover 307 both protrude inward, the limiting grooves 308 are used to limit the buckles 305, and the notch 309 can allow the connector 101 to pass through.

[0049] Further, such as Figure 8 As shown, the connecting member includes a chamber 303 opened in the connecting seat 301, and two pull rods 304 are inserted and connected in the chamber 303. The ends of the two pull rods 304 that are away from each other pass through the chamber 303 and are fixedly connected to two buckles 305 respectively. The chamber 303 and the pull rod 304 cooperate to realize the connection between the connecting seat 301 and the buckle 305.

[0050] Further, such as Figure 8 As shown, the outer surface of the pull rod 304 is sleeved with a spring 306 located in the chamber 303, and the two ends of the spring 306 are fixedly connected to the pull rod 304 and the chamber 303 respectively. The force of the spring 306 can pull the buckle 305 through the pull rod 304 to improve the stability of the connection between the buckle 305 and the mounting cover 307.

[0051] When in use, the two buckles 305 are pulled away from each other to separate the buckle 305 from the mounting cover 307, and the mounting cover 307 is installed on the vehicle by means of bolts. Then, the two buckles 305 are inserted into the two limit grooves 308 and then released. The force of the spring 306 pulls the buckle 305 through the pull rod 304, so that the buckle 305 and the mounting cover 307 are buckled and fixed. Figure 5 As shown, the connector 101 is connected to the vehicle wiring harness. During temporary maintenance, the two buckles 305 are pulled away from each other to separate the buckles 305 from the mounting cover 307, and the base 201 and the end cover 202 are removed. After the end cover 202 is removed, the millimeter wave radar body 1 can be repaired.

[0052] When sending the vehicle for inspection, the two buckles 305 are pulled away from each other to separate the buckle 305 from the mounting cover 307. The buckle 305 is further pulled to separate the buckle 305 from the slide groove 302. The buckle 305 is rotated 180 degrees around the pull rod 304 to remove the mounting cover 307 from the vehicle. The mounting cover 307 is buckled onto the top of the connecting seat 301 to connect the buckle 305 to the mounting cover 307. Fig. 9 As shown, at this time, the mounting cover 307 and the connecting seat 301 cooperate to protect the base 201 and the end cover 202, thereby improving the protection effect of the millimeter-wave radar body 1, so as to reduce the situation where the millimeter-wave radar body 1 is subjected to secondary damage during the inspection and maintenance process;

[0053] When needed from Fig. 9 Switch to Figure 6 When the two buckles 305 are pulled away from each other, the buckle 305 is separated from the mounting cover 307, and the buckle 305 is continued to be pulled to separate the buckle 305 from the slide groove 302, and the buckle 305 is rotated 180 degrees with the pull rod 304 as the center.

[0054] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0055] Obviously, the embodiments described above are only some embodiments of the utility model, rather than all embodiments. The preferred embodiments of the utility model are given in the accompanying drawings, but they do not limit the patent scope of the utility model. The utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to replace some of the technical features therein with equivalents. Any equivalent structure made using the contents of the utility model specification and the accompanying drawings, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the utility model.

Claims

1. An intelligent vehicle-mounted millimeter-wave radar, characterized in that: The invention comprises a millimeter wave radar body (1), the millimeter wave radar body (1) is connected to a left light interface, a right light interface and a radar warning light circuit, and the radar warning light circuit is connected to the radar warning light; the left light interface and the right light interface are used to realize signal interaction between the millimeter wave radar body (1) and the left and right blind spot monitoring indicator lights and the RCW indicator light of the vehicle, so as to remind the driver according to the situation of vehicles approaching in the left and right areas of the vehicle; the radar warning light circuit is used to control the operation of the vehicle radar warning light to remind the driver when the millimeter wave radar detects a potential obstacle; The millimeter wave radar body (1) is also connected to an on-board APP, a Bluetooth module and a CAN bus circuit. The on-board APP is used for user remote control; the Bluetooth module is used to realize wireless communication between the millimeter wave radar body (1) and the Bluetooth device, and the CAN bus is used to realize firmware upgrades, data capture and subsequent reserved communications.

2. The intelligent vehicle-mounted millimeter-wave radar according to claim 1, characterized in that: The millimeter wave radar body (1) is also connected to a power supply, and the power supply is used to provide power supply to the millimeter wave radar body (1).

3. The intelligent vehicle-mounted millimeter wave radar according to claim 2, characterized in that: The millimeter wave radar body (1) is also connected to a connector (101), and a protective member is provided between the millimeter wave radar body (1) and the connector (101), the protective member being used to protect the millimeter wave radar body (1).

4. The intelligent vehicle-mounted millimeter wave radar according to claim 3, characterized in that: The protective member comprises a base (201) and an end cover (202) connected to the base (201); a retaining ring (203) is fixedly mounted on a side of the base (201) close to the end cover (202); the millimeter wave radar body (1) is arranged in the retaining ring (203); and a second sealing ring (204) is arranged between a side of the retaining ring (203) away from the base (201) and the end cover (202).

5. The intelligent vehicle-mounted millimeter-wave radar according to claim 4, characterized in that: A wire hole is provided on one side of the retaining ring (203), one end of the connector (101) passes through the wire hole and extends to the outside of the base (201), and a first sealing ring (102) is provided between the outer surface of the connector (101) and the wire hole.

6. The intelligent vehicle-mounted millimeter-wave radar according to claim 5, characterized in that: A mounting protection piece (3) is provided on a side of the base (201) away from the end cover (202), and the mounting protection piece (3) is used for mounting the base (201).

7. The intelligent vehicle-mounted millimeter wave radar according to claim 6, characterized in that: The mounting protective member (3) comprises a connecting seat (301) mounted on a side of the base (201) away from the end cover (202), and both sides of the connecting seat (301) are provided with sliding grooves (302), and both sliding grooves (302) are provided with buckles (305), a mounting cover (307) is connected between the two buckles (305), and a connecting member is provided between the two buckles (305) and the connecting seat (301).

8. The intelligent vehicle-mounted millimeter-wave radar according to claim 7, characterized in that: Limiting grooves (308) are provided on both sides of the installation cover (307), the two buckles (305) are respectively located in the two limiting grooves (308), and a notch (309) is provided on the side wall of one of the limiting grooves (308), and the two inner side walls of the limiting groove (308) provided on the installation cover (307) both protrude inwards.

9. The intelligent vehicle-mounted millimeter-wave radar according to claim 8, characterized in that: The connecting member comprises a chamber (303) opened in the connecting seat (301), two pull rods (304) are inserted and connected in the chamber (303), and the ends of the two pull rods (304) that are away from each other pass through the chamber (303) and are fixedly connected to two buckles (305) respectively.

10. The intelligent vehicle-mounted millimeter wave radar according to claim 9, characterized in that: The outer surface of the pull rod (304) is sleeved with a spring (306) located in the chamber (303), and the two ends of the spring (306) are fixedly connected to the pull rod (304) and the chamber (303) respectively.

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