CN215180877U

CN215180877U - Millimeter wave radar and automobile driving control system

Info

Publication number: CN215180877U
Application number: CN202120815649.4U
Authority: CN
Inventors: 马彦文
Original assignee: Autel Intelligent Technology Corp Ltd
Current assignee: Autel Intelligent Technology Corp Ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-12-14
Anticipated expiration: 2031-04-20

Abstract

The embodiment of the utility model relates to the technical field of radar, and discloses a millimeter wave radar and an automobile running control system, wherein the millimeter wave radar comprises an antenna cover, an antenna plate, a metal middle frame, a main control board and a base which are arranged in sequence; an image acquisition module is arranged on one surface of the main control board facing the antenna housing; the antenna board is provided with a radar receiving and transmitting control module and is electrically connected with the main control board; the metal middle frame is provided with a notch for the image acquisition module to pass through; the antenna house adopts the material that the radar wave of antenna panel transmission can pass to make, and the antenna house is connected with the base to main control board, antenna panel and metal center all are located the space that antenna house and base enclose and close, and the antenna house is equipped with the through-hole with the breach intercommunication, so that the image acquisition module extends to outside the through-hole. In this way, the embodiment of the utility model provides a realized having wide-angle detection range, improved the discernment precision to the detection thing.

Description

Millimeter wave radar and automobile driving control system

Technical Field

The embodiment of the utility model provides a relate to radar technical field, concretely relates to millimeter wave radar and car control system that traveles.

Background

With the continuous update and iteration of artificial intelligence technology, more and more products develop along the trends of intellectualization, networking and unmanned, such as: in the aspect of intelligent driving, equipment such as a millimeter wave radar and the like is required to be arranged to detect and identify the surrounding environment of the vehicle, and data basis is provided for realizing obstacle avoidance and control of the driving speed of the vehicle in the driving process.

At present, the detection angle of a millimeter wave radar used by a vehicle is small, and the wide-range angle detection of the vehicle in the front-back direction of the side edge cannot be realized.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the embodiment of the utility model provides a millimeter wave radar and car control system that traveles to phase has wide-angle detection range, improves the recognition accuracy to the detection thing.

According to the utility model discloses an aspect of the embodiment provides a millimeter wave radar, include: the antenna cover, the antenna plate, the metal middle frame, the main control board and the base are sequentially arranged; an image acquisition module is arranged on one surface, facing the antenna housing, of the main control board; the antenna board is provided with a radar receiving and transmitting control module and is electrically connected with the main control board; the metal middle frame is provided with a notch for the image acquisition module to pass through; the antenna house adopts and to make the material that the millimeter wave can penetrate and make, the antenna house with the base is connected, and the main control board the antenna panel with the metal center all is located the space that closes is enclosed with the base to the antenna house, the antenna house be equipped with the through-hole of breach intercommunication, so that the image acquisition module extends to outside the through-hole.

In an optional mode, the radar receiving and dispatching control module is arranged on the antenna plate and deviates from one surface of the metal middle frame, and the metal middle frame faces the one surface of the antenna plate and is provided with a first heat conduction pad at a position corresponding to the radar receiving and dispatching control module.

In an optional mode, a shielding cover is covered on the radar transceiving control module, and the shielding cover is used for preventing the antenna on the antenna board and the radar transceiving control module from generating electromagnetic interference.

In an optional mode, a second heat conduction pad is arranged between the shielding case and the radar transceiving control module.

In an optional mode, a third heat conduction pad is arranged on one surface, facing the main control board, of the base at a position corresponding to the image acquisition module.

In an optional mode, the metal middle frame is further provided with a plugging hole, the antenna board is provided with a first plug connector at a position corresponding to the plugging hole, the main control board is provided with a second plug connector at a position corresponding to the plugging hole, and at least one of the first plug connector and the second plug connector penetrates through the plugging hole to be in plugging fit with the other plug connector, so that the main control board is electrically connected with the antenna board.

In an optional mode, a first flange is arranged on the periphery of one surface, facing the antenna board, of the metal middle frame, and a second flange is arranged on the periphery of one surface, facing the main control board, of the metal middle frame;

when the first connector clip is in splicing fit with the second connector clip, the edge of the antenna board abuts against the first flange, and the edge part of the main control board abuts against the second flange.

In an alternative mode, a sealing ring is arranged at the connecting position between the antenna housing and the base.

In an optional mode, the radome includes a first wall and a second wall disposed around an outer periphery of the first wall, the first wall and the second wall enclose to form an accommodating cavity, the through hole is disposed on the first wall and is communicated with the accommodating cavity, and the main control board, the antenna board and the metal middle frame are all located in the accommodating cavity; the base orientation the one side of main control board is equipped with the support arch, the main control board is kept away from the one side of metal center support lean on in support arch, the antenna house cover is located outside the support arch, and the sealing washer is located support bellied periphery wall with between the internal perisporium of second wall.

According to the utility model discloses in another aspect of the embodiment, a car control system that traveles is provided, be in including car body, built-in car body's control platform and foretell millimeter wave radar, millimeter wave radar set up in the both sides at car body top, millimeter wave radar with the control platform electricity is connected.

The millimeter wave radar of the embodiment of the application has the advantages that the antenna housing, the antenna plate, the metal middle frame, the main control plate and the base are sequentially arranged, the antenna plate is isolated from the main control plate through the metal middle frame, the electromagnetic interference between the antenna plate and the main control plate is avoided, the millimeter waves emitted by the antenna plate can penetrate through the antenna housing, the image acquisition module on the main control plate can detect the external environment through the through hole of the antenna housing, the millimeter wave radar can detect the external environment by means of the image acquisition module besides the antenna, the image information acquired by the image acquisition module can be used for supplementing the area range which cannot be detected by the millimeter waves emitted by the antenna plate, compared with the traditional radar, the interference is small, the data information detected by the emission of the millimeter waves of the antenna plate and the image information acquired by the image acquisition module of the main control plate are subjected to information fusion, the detectable angle range of the millimeter wave radar is improved, and the detection precision of a detected object is improved.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is an exploded view of a view angle of a millimeter wave radar provided in an embodiment of the present invention;

fig. 2 is a perspective view of a millimeter wave radar provided in an embodiment of the present invention;

fig. 3 illustrates a bottom view of the millimeter wave radar provided by the embodiment of the present invention;

fig. 4 is an exploded view of another view of the millimeter wave radar provided by the embodiment of the present invention;

fig. 5 shows a schematic structural diagram of an automobile driving control system provided by an embodiment of the present invention.

The reference numbers in the detailed description are as follows:

an antenna cover 10; a through hole 11; a first wall 12; a second wall 13; a plug 14; an antenna board 20; a radar transmission/reception control module 21; a first connector 22; a metal middle frame 30; a notch 31; a first thermal pad 32; a plug-in hole 33; a first flange 34; a second flange 35; a main control board 40; an image acquisition module 41; a base 50; a third thermal pad 51; the support projections 52; a shield case 60; an outer frame 61; a cover plate 62; a second thermal pad 70; a seal ring 80; a millimeter wave radar 100; the vehicle travel control system 200; an automobile body 210; the platform 211 is controlled.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to fig. 2, fig. 1 shows an exploded view of a viewing angle of a millimeter wave radar 100 provided by an embodiment of the present invention, and fig. 2 shows a perspective view of the millimeter wave radar 100 provided by the embodiment of the present invention. An aspect of the embodiment of the present application provides a millimeter wave radar 100, where the millimeter wave radar 100 includes an antenna housing 10, an antenna plate 20, a metal middle frame 30, a main control board 40, and a base 50, which are sequentially disposed. The one side that main control panel 40 was equipped with image acquisition module 41 towards antenna house 10, be equipped with radar transceiver control module 21 on the antenna panel 20, and antenna panel 20 is connected with main control panel 40 electricity, metal center 30 is equipped with the breach 31 that supplies image acquisition module 41 to pass, antenna house 10 adopts and to make the material that the millimeter wave can penetrate and make, antenna house 10 is connected with base 50, and enclose and close and form accommodating space, antenna panel 20, metal center 30 and main control panel 40 all are located the accommodating space that antenna house 10 and base 50 enclose and close. The radome 10 is provided with a through hole 11 communicating with the notch 31 so that the image pickup module 41 extends out of the through hole 11.

The antenna board 20 is a circuit board provided with a transceiving antenna, and the radar transceiving control module 21 is installed on the antenna board 20, and is configured to control the antenna on the antenna board 20 to emit millimeter waves and receive echo signals, and obtain detection data information related to a detected object, such as a size, a distance, a speed, and the like of the detected object, through algorithm processing, but not limited thereto.

The radar transceiver control module 21 may be a radar sensor, such as a frequency modulation continuous wave radar sensor (also referred to as FMCW radar sensor) of model awr1843, which is integrated into a single chip, or may be another radar control chip, which is not limited herein.

The main control board 40 is a circuit board provided with modules such as a processor, a power control unit, an image processing unit, and the like, the image capturing module 41 is installed on the main control board 40, the image capturing module 41 is used for capturing image information such as video, pictures, and the like of an object, and the main control board 40 is used for processing the image information captured by the image capturing module 41 so as to obtain relevant information of a detected object, such as size, distance, speed, type, and the like of the detected object, but not limited thereto.

The antenna board 20 is electrically connected to the main control board 40, so that the main control board 40 performs fusion processing on the image information acquired by the image acquisition module 41 and the detection data information acquired by the radar transceiving control module 21 through the millimeter waves emitted by the antenna on the antenna board 20. During detection, because the direction of the image collected by the image collection module 41 is the same as the detection direction of the millimeter waves of the antenna plate 20, and at least part of the coverage area of the detection angle of the image collection module 41 overlaps with the coverage area of the detection angle of the millimeter waves emitted by the antenna plate 20, in the detection areas which are not overlapped with each other, the image information collected by the image collection module 41 can supplement the detection blind area of the antenna plate 20, so that the detectable angle range of the millimeter wave radar 100 is increased; in the overlapped detection areas, at each moment, the detected object (such as an obstacle) can be detected by the millimeter waves emitted by the image acquisition module 41 and the antenna plate 20, wherein the radar transceiving control module 21 can accurately acquire data information such as the distance and the speed of the detected object through the millimeter waves emitted by the antenna of the antenna plate 20, and the main control board 40 can judge the type of the detected object according to the built-in control algorithm, for example, judge whether the detected object is an organism such as a person and an animal, or a non-organism such as a stone and a building, except that the image acquired by the image acquisition module can acquire the information such as the distance and the speed of the detected object through the built-in control algorithm. In this way, the millimeter wave radar can complement the advantages of the image acquisition module 41 and the antenna board 20 to different detection data information, or can take values or take an average value according to a certain weight to the detection data of the same target at the same time according to the two, so that the detection error is reduced, and the detection and identification precision of the object is improved.

It should be noted that, the control algorithm of the detection data information obtained by the radar transceiving control module 21 on the antenna board 20 according to the millimeter waves, the control algorithm of the detection data information obtained by the main control board 40 acquiring the image through the image acquisition module 41 by the image acquisition module 41, and the control algorithm to be subjected to information fusion may adopt the existing algorithm.

The millimeter wave radar 100 of the embodiment of the application, by sequentially arranging the antenna housing 10, the antenna board 20, the metal middle frame 30, the main control board 40 and the base 50, the antenna board 20 is isolated from the main control board 40 by the metal middle frame 30, thereby avoiding electromagnetic interference between the antenna board 20 and the main control board 40, the antenna board 20 can transmit millimeter waves to penetrate through the antenna housing 10, the image acquisition module 41 on the main control board 40 can detect the external environment through the through hole 11 of the antenna housing 10, so that the millimeter wave radar 100 can detect the external environment by means of the image acquisition module 41 in addition to the antenna, so that the image information acquired by the image acquisition module 41 can be used for supplementing the area range which cannot be detected by the millimeter waves transmitted by the antenna board 20, compared with the conventional radar, the mode has small interference, the information fusion is performed by the antenna board 20 by transmitting the data information detected by the millimeter waves and the image information acquired by the main control board 40 through the image acquisition module 41, the detectable angle range of the millimeter wave radar 100 is improved, and the detection accuracy of the detected object is improved. Main control panel 40, metal center 30 and antenna panel 20 all are located the accommodating space that radome 10 and base 50 enclose and close for radome 10 and base 50 can play the effect of protection to main control panel 40, metal center 30 and antenna panel 20, are favorable to improving millimeter wave radar 100's life, and compact light on the structure, occupation space is little, is convenient for install on the car.

Referring to fig. 3 in conjunction with fig. 1, fig. 3 shows a bottom view of the millimeter wave radar 100 according to an embodiment of the present invention. In some specific embodiments, the image capturing module 41 may be a fisheye camera, the field angle β of the fisheye camera may reach more than 180 degrees, and the field angle α that can be detected by the antenna of the existing antenna board 20 is generally about 120 degrees, so that, by using the image capturing module 41 and the antenna board 20 in combination, compared with a conventional radar, the millimeter wave radar 100 of the present application may have a field angle of about 180 degrees, and the detectable angle range of the millimeter wave radar 100 is greatly increased.

Referring back to fig. 1, in some embodiments, the radar transceiver control module 21 is disposed on a side of the antenna board 20 away from the metal middle frame 30, and a first thermal pad 32 is disposed on a side of the metal middle frame 30 facing the antenna board 20 at a position corresponding to the radar transceiver control module 21. First heat conduction pad 32 is used for transmitting radar receiving and dispatching control module 21 for antenna plate 20's heat, transmits for metal center 30 through first heat conduction pad 32 to reduce the temperature of radar receiving and dispatching control module 21 and antenna plate 20, avoid radar receiving and dispatching control module 21 high temperature to influence working property, guarantee its working property's stability.

In some embodiments, a shielding cover 60 is disposed outside the radar transmission/reception control module 21, and the shielding cover 60 is used to prevent electromagnetic interference between the antenna board 20 and the radar transmission/reception control module 21. The shielding case 60 may be made of a metal material, such as, but not limited to, copper alloy, iron alloy, and the like.

In some embodiments, a second heat conduction pad 70 is further disposed between the shielding case 60 and the radar transceiver control module 21, and the second heat conduction pad 70 is used for transferring heat generated by the radar transceiver control module 21 to the shielding case 60 so as to be dissipated through the shielding case 60, thereby further reducing the working temperature of the radar transceiver control module 21, ensuring the stability of the working performance of the radar transceiver control module, and avoiding the abnormal operation of the radar transceiver control module 21 caused by too high temperature.

Specifically, the shielding case 60 includes frame 61 and apron 62, and frame 61 middle part is equipped with the hollow out construction with radar transceiver control module 21 looks adaptation, frame 61 and antenna panel 20 fixed connection, and radar transceiver control module 21 is located the hollow out construction of frame 61 for frame 61 encircles the periphery setting of radar transceiver control module 21. The cover plate 62 covers the outer frame 61, so as to cover and seal the radar transceiving control module 21 inside the hollow structure of the outer frame 61, wherein the second heat conduction pad 70 is located between the cover plate 62 and the radar transceiving control module 21, and the second heat conduction pad 70 is respectively contacted with the cover plate 62 and the radar transceiving control module 21, so that the radar transceiving control module 21, the second heat conduction pad 70, the cover plate 62 and the outer frame 61 form a heat conduction channel.

Referring to fig. 4, fig. 4 is an exploded view of another view angle of the millimeter wave radar according to the embodiment of the present invention. In some embodiments, a third thermal pad 51 is disposed on a surface of the base 50 facing the main control board 40 corresponding to the image capturing module 41, and the second thermal pad 70 is used for transferring heat generated by the image capturing module 41 to the base 50, so that the heat is dissipated to the external environment through the base 50, and the temperature of the image capturing module 41 and the main control board 40 is reduced, so as to ensure the working performance of the image capturing module 41 and the main control board 40.

Wherein, the main control board 40 generates a larger amount of heat at the position of the image capturing module 41, because the main control board 40 itself needs to process the image information captured by the image capturing module 41 and the data signal of the antenna board 20, and simultaneously controls the coordinated operation between the electric components, such as power control, so that the power consumption of the main control board 40 is larger, in some specific embodiments, the number of the third thermal pads 51 may also be multiple, the multiple third thermal pads 51 are uniformly distributed on the side of the base 50 facing the main control board 40, and at least part of the third thermal pads 51 is arranged at the position on the base 50 corresponding to the image capturing module 41, so that the temperature of the main heating area of the image capturing module 41 of the main control board 40 can be transmitted to the base 50 through the third thermal pads 51, and meanwhile, the heating areas of other parts can also be transmitted to the base 50 through the third thermal pads 51, to improve the heat dissipation effect of the main control board 40.

Specifically, in order to further improve the heat dissipation effect and reduce the temperature inside the millimeter wave radar 100, the base 50 may be made of a material with good heat conductivity, such as a metal material, for example: but not limited to, aluminum alloy, and the like.

With continued reference to fig. 1 and fig. 2, in some embodiments, the metal middle frame 30 is further provided with a plug hole 33, the antenna board 20 is provided with a first plug connector 22 at a position corresponding to the plug hole 33, the main control board 40 is provided with a second plug connector 42 at a position corresponding to the plug hole 33, and at least one of the first plug connector 22 and the second plug connector 42 passes through the plug hole 33 to be in plug-fit with the other plug connector, so that the antenna board 20 is electrically connected to the main control board 40.

The plugging hole 33 is an escape window that is disposed through both end surfaces of the metal middle frame 30, the first plug connector 22 may be disposed on one surface of the antenna board 20 facing the metal middle frame 30, and the second plug connector 42 may be disposed on one surface of the main control board 40 facing the metal middle frame 30. The first connector 22 and the second connector 42 are adaptive electrical connectors, and specifically, the first connector 22 and the second connector 42 may be board-to-board connectors, one of which is a female connector (also called a female socket) and the other is a male connector (also called a male socket). Of course, the first connector 22 and the second connector 42 may be other connectors that can be electrically connected by a plug-in fit.

In this embodiment, after the first connector 22 of antenna panel 20 and the second connector 42 of main control board 40 pass through jack 33 and peg graft the cooperation each other for antenna panel 20 and main control board 40 can enough realize the electricity and connect, and antenna panel 20 and main control board 40 are fixed in the two sides that metal center 30 deviates from each other respectively simultaneously, and this kind of mode, simple structure, convenient assembling can realize the quick dismouting between antenna panel 20, metal center 30 and the main control board 40.

In some embodiments, a first flange 34 is disposed around a side of the metal middle frame 30 facing the antenna board 20, and a second flange 35 is disposed around a side of the metal middle frame 30 facing the main control board 40. When the first connector 22 is mated with the second connector 42, the edge of the antenna board 20 abuts against the first flange 34, and the edge of the main control board 40 abuts against the second flange 35.

In this embodiment, by providing the first flange 34 at the peripheral edge of the side of the metal middle frame 30 facing the antenna board 20, so that the first flange 34 encloses to form a first accommodating space, a power consumption element (not shown) located in the middle area of the antenna board 20 can be located in the first accommodating space, thereby preventing the power consumption element located in the middle area of the antenna board 20 from making rigid contact with the metal middle frame 30. Similarly, by providing the second flange 35 at the peripheral edge of the other side of the metal middle frame 30 facing the main control board 40, so that the second flange 35 encloses to form a second accommodating space, the power consumption element (not shown) located in the middle area of the main control board 40 can be located in the second accommodating space, thereby preventing the power consumption element located in the middle area of the main control board 40 from making rigid contact with the metal middle frame 30.

The inserting hole 33 may be disposed on a middle region of the metal middle frame 30 and communicate the first receiving space and the second receiving space. Meanwhile, the ground line of the main control board 40 may be electrically connected to the second flange 35 of the metal middle frame 30 to reduce static electricity inside the millimeter wave radar 100, and the antenna board 20 and the power consumption elements on the main control board 40 may not contact the metal middle frame 30 to cause a short circuit problem.

It should be noted that, in other embodiments, the shape of the first accommodating space is adapted to the outline of the antenna board 20, and the shape of the second accommodating space is adapted to the outline of the main control board 40, so that after the first connector 22 and the second connector 42 are inserted into and matched with each other, the antenna board 20 and the main control board 40 can be respectively accommodated and fixed in the first accommodating space and the second accommodating space, thereby reducing the spatial size of the millimeter wave radar 100 and making the overall structure more compact.

In some embodiments, the radome 10 is provided with a sealing ring 80 between the connection positions with the base 50, and the sealing ring 80 is used in a connection gap between the ground-level radome 10 and the base 50 to improve the waterproof performance of the millimeter-wave radar 100, so that the millimeter-wave radar 100 can work in a humid environment such as rainy days.

Specifically, the radome 10 includes a first wall 12 and a second wall 13 disposed around an outer periphery of the first wall 12, the first wall 12 and the second wall 13 enclose a receiving cavity, that is, the radome 10 is a cylindrical structure having an opening at one end and a closed end at the other end, such as a square cylinder, a cylindrical cylinder, or the like. The through hole 11 is disposed on the first wall 12 and is communicated with the accommodating cavity, and the main control board 40, the antenna board 20 and the metal middle frame 30 are all located in the accommodating cavity. The one side of base 50 towards main control board 40 is equipped with support protrusion 52, and the one side that main control board 40 deviates from metal center 30 supports and leans on in support protrusion 52, and outside support protrusion 52 was located to the radome 10 cover to sealing washer 80 was located between the interior perisporium of support protrusion 52 periphery wall and second wall 13.

The support protrusion 52 is surrounded with an avoidance space, so that the support protrusion 52 abuts against one edge of the main control board 40 facing the base 50, and the power consumption element arranged on one side of the main control board 40 facing the base 50 can be located in the avoidance space without being in rigid contact with the base 50.

In some embodiments, a plug 14 is further disposed outside the radome 10, the plug 14 is electrically connected to the main control board 40, the plug 14 and the main control board 40 are electrically connected, and the plug 14 is configured to be electrically connected to an external control device, that is, the external control device is plugged into the plug 14 through a plug adapted to the plug 14, so that the external control device is electrically connected to the millimeter wave radar 100. The plug 14 is disposed outside the second wall 13, and the plug 14 and the second wall 13 are integrated.

The millimeter wave radar 100 is electrically connected to an external control device through the plug 14, so that data exchange and processing are performed between the external control device and the millimeter wave radar 100, and the external control device acquires detection data of the millimeter wave radar 100 and performs related operations. As an example, the external control device may be a control platform inside an automobile, and the control platform of the automobile is electrically connected to the millimeter wave radar 100, and after obtaining data such as relative speed, distance, and the like of an object detected by the millimeter wave radar 100, controls the speed, the driving route, and the like of the automobile, thereby implementing intelligent driving of the automobile.

In some embodiments, the radome 10 is removably attached to the base 50. So that the user can conveniently detach and maintain when the antenna board 20 or the main control board 40 inside the millimeter wave radar 100 fails.

Specifically, the base 50 is provided with a connection hole located at the periphery of the support protrusion 52, the second wall 13 of the radome 10 is provided with a fixing hole at a position corresponding to the connection hole, and one end of a fixing member such as a screw passes through the connection hole and is fixed to the fixing hole by screwing, so that the base 50 is fixed to the radome 10 by screwing.

Referring to fig. 1 to 5, fig. 5 is a schematic structural diagram of an automobile driving control system 200 according to an embodiment of the present invention. In another aspect of the embodiment of the present application, an automobile driving control system is further provided, where the automobile driving control system 200 includes an automobile body 210, a control platform 211 built inside the automobile body 210, and the millimeter wave radar 100 according to the above embodiment, the millimeter wave radar 100 is disposed on two sides of the top of the automobile body 210, and the millimeter wave radar 100 is electrically connected to the control platform 211.

The control platform 211 is a control host machine used for controlling coordination work among the electric devices inside the automobile, the number of the millimeter wave radars 100 is at least two, and the two millimeter wave radars 100 are respectively arranged on two sides of the automobile body in the width direction, for example, one millimeter wave radar 100 is arranged on the left side of the automobile body 210, and the other millimeter wave radar 100 is arranged on the right side of the automobile body 210. Because millimeter wave radar 100 can have great detection angle position after carrying out data fusion through image acquisition module 41 and antenna panel 20's radar transceiver module 21 to and the discernment precision of barrier, thereby guarantee that the car has detection area on a large scale in the external environment of the fore-and-aft direction of side, improved automobile driving safety greatly, for example can greatly reduced car when turning to the probability that collides with people or barrier, thereby reduce the traffic accident, reduce casualties and loss of property. In addition, during intelligent driving, the control platform 211 may also perform corresponding actions, such as planning a driving route, prompting the driver to slow down or slow down through voice, reducing the vehicle speed, and the like, by obtaining detection data of the external environment, such as the distance between the vehicle and the obstacle, the size of the obstacle, and the relative speed between the vehicle and the obstacle, and the like, from the millimeter wave radar.

It should be noted that unless otherwise indicated, technical or scientific terms used in accordance with embodiments of the present invention shall have the ordinary meaning as understood by those skilled in the art to which embodiments of the present invention pertain.

In the description of the embodiments of the present invention, the terms "inside" and "outside" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention.

Furthermore, the technical terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise. Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A millimeter wave radar is characterized by comprising an antenna housing, an antenna plate, a metal middle frame, a main control board and a base which are arranged in sequence;

an image acquisition module is arranged on one surface, facing the antenna housing, of the main control board;

the antenna board is provided with a radar receiving and transmitting control module and is electrically connected with the main control board;

the metal middle frame is provided with a notch for the image acquisition module to pass through;

the antenna house adopts and to make the material that the millimeter wave can penetrate and make, the antenna house with the base is connected, and the main control board the antenna panel with the metal center all is located the space that closes is enclosed with the base to the antenna house, the antenna house be equipped with the through-hole of breach intercommunication, so that the image acquisition module extends to outside the through-hole.

2. The millimeter wave radar according to claim 1, wherein the radar transmission/reception control module is disposed on a surface of the antenna board facing away from the metal middle frame, and a first heat conduction pad is disposed on a surface of the metal middle frame facing the antenna board at a position corresponding to the radar transmission/reception control module.

3. The millimeter wave radar according to claim 1, wherein the radar transmission/reception control module is covered with a shielding cover for preventing electromagnetic interference between the antenna on the antenna board and the radar transmission/reception control module.

4. The millimeter wave radar of claim 3, wherein a second thermal pad is disposed between the shield and the radar transceiver control module.

5. The millimeter wave radar according to any one of claims 1 to 4, wherein a third thermal pad is provided on a surface of the base facing the main control board at a position corresponding to the image capturing module.

6. The millimeter wave radar according to any one of claims 1 to 4, wherein the metal middle frame is further provided with a plug hole, the antenna board is provided with a first plug connector at a position corresponding to the plug hole, the main control board is provided with a second plug connector at a position corresponding to the plug hole, and at least one of the first plug connector and the second plug connector passes through the plug hole to be in plug fit with the other plug connector, so that the main control board is electrically connected with the antenna board.

7. The millimeter wave radar according to claim 6, wherein a first flange is arranged on the periphery of one surface of the metal middle frame facing the antenna board, and a second flange is arranged on the periphery of one surface of the metal middle frame facing the main control board;

8. The millimeter wave radar according to any one of claims 1 to 4, wherein a sealing ring is provided at a connection position between the radome and the base.

9. The millimeter wave radar according to claim 8, wherein the antenna housing comprises a first wall and a second wall disposed around an outer periphery of the first wall, the first wall and the second wall enclose a receiving cavity, the through hole is disposed on the first wall and communicates with the receiving cavity, and the main control board, the antenna board and the metal middle frame are all located in the receiving cavity;

the base orientation the one side of main control board is equipped with the support arch, the main control board is kept away from the one side of metal center support lean on in support arch, the antenna house cover is located outside the support arch, and the sealing washer is located support bellied periphery wall with between the internal perisporium of second wall.

10. An automobile running control system, characterized by comprising an automobile body, a control platform built in the automobile body and the millimeter wave radar according to any one of claims 1 to 9, wherein the millimeter wave radar is arranged on both sides of the top of the automobile body, and the millimeter wave radar is electrically connected with the control platform.