CN215067291U - Millimeter wave reversing radar - Google Patents

Abstract

The utility model is suitable for the technical field of radar, and provides a millimeter wave reverse radar which is characterized in that an antenna plate capable of emitting and receiving millimeter wave signals is arranged, and the antenna plate and a power panel are respectively arranged at the two sides of a heat dissipation bracket, the millimeter wave reverse sensor can not only penetrate through the bumper and other components, even if the automobile parking reminding device is arranged on the automobile frame, the functions of detecting, backing and parking reminding cannot be influenced, therefore, can provide more stable prompting and reminding functions of backing, parking and the like for drivers without damaging the appearance beauty of the automobile, and the heat dissipation bracket has the functions of heat dissipation and loading support, has small and compact structure, and can be conveniently arranged on the automobile frame or the narrow clearance positions of the automobile chassis and the like.

Description

Millimeter wave reversing radar

Technical Field

The utility model belongs to the technical field of the radar, especially, relate to a millimeter wave radar of backing a car.

Background

The reversing radar is a safety auxiliary device for parking or reversing a car, can inform a driver of the condition of surrounding obstacles through sound or more visual prompt, eliminates troubles caused by front-back and left-right visiting when the driver parks, backs and starts the car, and helps the driver to clear a visual field blind area and overcome the defect of blurred vision. However, the signal of the existing reversing radar cannot penetrate through the automobile bumper generally, so that a more stable prompt reminding effect cannot be provided for a driver when the reversing radar is installed on an automobile frame, and the reversing radar is installed on the automobile bumper.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a millimeter wave radar of backing a car aims at solving prior art's radar of backing a car and can't satisfy simultaneously both can provide the more stable prompt facility of backing a car of signal and guarantee simultaneously can not influence the whole outward appearance aesthetic property's of car problem.

The utility model discloses a realize like this: a millimeter wave reverse radar comprises a heat dissipation support, an antenna board and a power board, wherein the antenna board is arranged on one side of the heat dissipation support and can emit and receive millimeter wave signals, the power board is arranged on the other side of the heat dissipation support, the antenna board, the heat dissipation support and the power board are sequentially stacked, the millimeter wave reverse radar further comprises a shell with an inner cavity and a radar interface terminal, the radar interface terminal and the antenna board are electrically connected with the power board, a main chip used for controlling the millimeter wave signals and carrying out algorithm operation is arranged on the antenna board, and the antenna board, the heat dissipation support and the power board are all contained in the inner cavity of the shell.

In some embodiments, the housing includes an upper housing having an inner cavity and a base abutting against the upper housing to form a closed cavity, and the antenna board, the heat dissipation bracket and the power board are accommodated in the closed cavity.

In some embodiments, a side of the heat dissipation bracket opposite to the antenna board is provided with a first accommodating cavity for accommodating an electronic device on the antenna board, and a side of the heat dissipation bracket opposite to the power board is provided with a second accommodating cavity for accommodating an electronic device on the power board.

In some embodiments, the radar interface terminal includes an interface circuit board, an electrical contact terminal electrically connected to the interface circuit board, and an interface housing, the interface circuit board is fixedly disposed on the interface housing, and the electrical contact terminal is electrically connected to the power board.

In some embodiments, the interface housing is located outside the upper housing, and the interface housing and the upper housing are integrally formed, and the electrical contact terminal passes through the upper housing and then is electrically connected to the power board.

In some embodiments, the electrical contact terminal is a fisheye pin, the end of the fisheye pin is electrically connected to the power board, and a fisheye terminal socket which is in butt joint with the fisheye pin is arranged on the power board.

In some embodiments, the electrical contact terminal is in interference fit with the fisheye terminal interface, and the middle of the electrical contact terminal has a right-angled bent angle.

In some embodiments, the inner wall of the upper shell is provided with at least one limiting rib.

In some embodiments, a heat conducting pad for rapidly conducting heat of the main chip to the heat dissipation bracket is disposed on the heat dissipation bracket at a position opposite to the main chip on the antenna board.

In some embodiments, a socket for electrically plugging with the antenna board is arranged on the power board, and a plugging terminal for electrically plugging with the socket is arranged on the antenna board; or,

the power panel is provided with a plug terminal used for being electrically plugged with the antenna panel, and the antenna panel is provided with a plug socket used for being electrically plugged with the plug terminal.

The millimeter wave car backing radar provided by the utility model has the advantages that the antenna board and the power board which can emit and receive millimeter wave signals are respectively arranged at the two sides of the heat dissipation bracket, the radar interface terminal is arranged to be electrically connected with the power board, the shell is arranged to contain and fix the components such as the power board, the heat dissipation bracket has the functions of heat dissipation and loading support, thereby the millimeter wave car backing radar has small and compact structure, the requirement on the installation scene is greatly reduced, the millimeter wave car backing radar can be conveniently arranged on the automobile frame or the clearance such as the automobile chassis, even if the millimeter wave signal penetration capability of the antenna board is stronger, the millimeter wave signal penetration capability of the millimeter wave transmission and the millimeter wave reception capability of the millimeter wave signal penetration capability of the millimeter wave transmission and the millimeter wave reception capability of the millimeter wave transmission and the millimeter wave transmission capability of the millimeter wave transmission and the millimeter wave transmission capability of the millimeter wave transmission and the millimeter wave transmission capability of the millimeter wave transmission and the millimeter wave transmission capability of the millimeter wave transmission and the millimeter wave transmission capability of the, the automobile parking reminding device has the advantages that stable prompting reminding functions of backing, parking and the like are provided for drivers, the occurrence of collision is reduced, and the safety of the automobile is improved.

Drawings

Fig. 1 is a perspective view of a millimeter wave reverse sensor provided in an embodiment of the present invention;

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

fig. 3 is a schematic perspective view of a heat dissipation bracket according to an embodiment of the present invention;

fig. 4 is a schematic view of the millimeter wave reverse sensor provided in the embodiment of the present invention with the base removed;

fig. 5 is a schematic view of an upper housing provided by an embodiment of the present invention;

fig. 6 is a schematic view illustrating a millimeter wave reverse sensor according to an embodiment of the present invention installed on a vehicle frame;

fig. 7 is a schematic block diagram of a control principle of the millimeter wave reverse radar according to the embodiment of the present invention installed in an automobile.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up, down, etc. in the present embodiment are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.

As shown in fig. 1, fig. 2 and fig. 3, it is a related schematic diagram of a millimeter wave reverse radar provided by an embodiment of the present invention. The embodiment of the utility model provides a millimeter wave radar of backing a car 100 is including heat dissipation support 1, antenna panel 2 and power strip 3, and antenna panel 2, heat dissipation support 1 and power strip 3 stack gradually the setting, and antenna panel 2 and power strip 3 locate heat dissipation support 1's relative both sides respectively promptly, and antenna panel 2, power strip 3 all are fixed in on the heat dissipation support 1, the utility model provides a millimeter wave radar of backing a car 100 is still including shell 4 and the radar interface terminal 5 that has the inner chamber, and radar interface terminal 5 and antenna panel 2 all are connected with power strip 3 electricity, and antenna panel 2, heat dissipation support 1 and power strip 3 all hold in the inner chamber of shell 4. The antenna plate 2 is provided with a main chip 21, the main chip 21 is used for controlling the emission, the reception, the signal processing and the algorithm operation of millimeter wave signals of the millimeter wave reversing radar, namely, the antenna plate 2 is used for emitting millimeter waves, receiving the millimeter waves reflected by an obstacle, processing radio frequency signals of the millimeter waves, and then performing the algorithm control through the main chip 21; the power panel 3 is mainly used for supplying power to the antenna panel 2, the radar interface terminal 5 and other circuit boards and electronic devices, and is also used for exchanging data with the antenna panel 2; radar interface terminal 5 is used for being connected with the control module electricity of car, heat dissipation support 1 provides installation support function for antenna panel 2 on the one hand, power strip 3, on the other hand, because antenna panel 2 and power strip 3 can produce the heat at the during operation, heat dissipation support 1 can provide heat conduction heat dissipation function for it simultaneously, avoid because of the operating temperature condition emergence that leads to its reliability and life-span reduction too high, heat dissipation support 1 specifically can adopt metal material such as aluminium, iron to make, metal material such as aluminium, iron have better heat dispersion, can dispel the heat to antenna panel 2, power strip 3 fast. Further, because millimeter wave signal penetrability is stronger, it can pierce through bumper, sand and dust, smog etc. betterly, therefore even will the embodiment of the utility model provides a millimeter wave radar of backing a car installs on the frame of car, also can play the suggestion function of reminding more steadily, thus can still can accomplish backing a car, parking suggestion warning function betterly under the condition that does not cause the influence to the car outward appearance.

The utility model provides a millimeter wave radar of backing a car, it sets up respectively in the both sides of heat dissipation support 1 through antenna panel 2 and power strip 3 that will launch and receive millimeter wave signal, and set up radar interface terminal 5 and power strip 3 electricity and be connected, it is used for parts such as holding and fixed power strip 3 to set up shell 4, heat dissipation support 1 has heat dissipation and loads the support function concurrently, thereby make this millimeter wave radar of backing a car structure small and exquisite compactness, requirement to installing the scene reduces by a wide margin, can be convenient for install clearance department such as on automobile frame or automobile chassis, even to constrictive installation position, it also can install the use better, and main chip 21 on its antenna panel 2 can launch and receive millimeter wave signal, millimeter wave signal penetrability is stronger, it can better pierce through parts such as bumper, therefore even install it on automobile frame, also can not influence its detection and back a car, The parking prompting and reminding function can provide more stable prompting and reminding functions of backing, parking and the like for drivers without damaging the appearance attractiveness of the automobile, can reduce the occurrence of collision and improves the safety of the automobile.

In some embodiments, the housing 4 includes an upper casing 41 having an inner cavity and a base 42 abutting against the upper casing 41 to form a closed cavity, the heat dissipation support 1, the antenna board 2 and the power board 3 are all disposed in the closed cavity, the heat dissipation support 1 and the antenna board 2 are sequentially disposed above the power board 3, and the antenna board 2, the heat dissipation support 1 and the power board 3 can be fixedly connected together by fastening members such as screws. At least one fixing piece 421 is disposed on the sidewall of the base 42 for serving as a special fixing position when the base 42 is mounted on an external carrier such as an automobile. The upper shell 41 and the base 42 form a closed cavity, which can provide dustproof and waterproof protection functions for the antenna board 2, the heat dissipation bracket 1, the power board 3 and the like contained in the closed cavity, because the automobile frame is lower, when the automobile runs on the road surface, the automobile often brings up dust, mud and the like on the road surface, and the frame is closer to the road surface, so that a higher-level protection function needs to be provided, and the upper shell 41 and the base 42 are arranged, so that a better dustproof and waterproof function can be provided.

As a preferred embodiment, a first accommodating cavity 11 may be disposed on a wall surface of the heat dissipation bracket 1 opposite to the antenna board 2, a second accommodating cavity 12 may be disposed on a wall surface of the heat dissipation bracket 1 opposite to the power board 3, and the first accommodating cavity 11 and the second accommodating cavity 12 may be disposed to respectively accommodate electronic devices on the antenna board 2 and the power board 3, so that the heat dissipation bracket 1 may not cause the size and thickness of the heat dissipation bracket 1 to be too large while providing the supporting and heat dissipation functions for the antenna board 2 and the power board 3, thereby ensuring the compactness of the whole millimeter wave reversing radar structure.

In some embodiments, the heat conducting pad 13 is disposed on the heat dissipation bracket 1 at a position opposite to the main chip 21, so as to rapidly conduct heat of the main chip 21 to the heat dissipation bracket 1 for heat dissipation, because the main chip 21 consumes relatively large electric power and generates relatively large local heat, for this reason, the heat conducting pad 13 with high heat conduction efficiency, which is specially used for heat dissipation of the main chip 21, is used for specially dissipating heat of the main chip 21, so as to solve the problem that the main chip 21 is easily burned out due to excessively high local temperature. Specifically, the heat conducting pad 13 can be made of aluminum sheet, iron sheet, or other materials with high heat conducting efficiency and relatively low cost.

As a specific embodiment, referring to fig. 1, fig. 2 and fig. 4, the radar interface terminal 5 includes an interface circuit board (not shown), an electrical contact terminal 51 electrically connected to the interface circuit board, and an interface housing 52, where the interface housing 52 is a waist-shaped cylindrical structure, the interface circuit board is fixedly disposed inside the interface housing 52, and the electrical contact terminal 51 is electrically connected to the power board 3. The radar interface terminal 5 can be used for signal communication and power supply between an automobile and a millimeter wave reverse radar.

In some embodiments, the interface housing 52 is located outside the upper housing 41, the interface housing 52 is integrally injection-molded with the upper housing 41, and the electrical contact terminal 51 passes through the upper housing 41 and then is electrically connected to the power supply board 3. With the integrative injection moulding of interface casing 52 and last casing 41 of radar interface, can avoid the reconnection formation joint gap after the independent shaping, and too much joint gap must lead to the fact the influence to its dustproof moisture-proof function, therefore the interface casing 52 and the last casing 41 integrated into one piece of this embodiment can promote the holistic dustproof moisture-proof performance of millimeter wave back a car radar.

In some embodiments, the electrical contact terminal 51 of the embodiment of the present invention may be a fisheye pin, one end of the fisheye pin is electrically connected to the interface circuit board of the radar interface terminal 5, and the other end of the fisheye pin is electrically plugged onto the power board 3, that is, the end of the fisheye pin is electrically plugged onto the power board 3, and accordingly, a fisheye terminal socket 32 (not shown in the figure) is provided on the power board 3 for the radar interface terminal 5 to perform signal communication and power supply with the power board 3.

In some embodiments, the electrical contact terminal 51 is in interference fit with the fisheye terminal jack 32, and the middle of the electrical contact terminal 51 has a bent angle, in this embodiment, the radar interface terminal 5 is disposed at the side end of the upper housing 41, the power board 3 is perpendicular to the side wall of the upper housing 41, and the electrical contact terminal 51 is bent by 90 degrees and then plugged into the fisheye terminal jack 32, so that the problem that the electrical contact terminal 51 and the power board 3 are arranged in parallel and are inconvenient to plug can be solved, and the electrical contact terminal 51 and the fisheye terminal jack 32 on the power board 3 are in interference fit, so that the electrical contact terminal 51 can be firmly connected to the power board 3, and the problem that the electrical contact terminal 51 is easily separated from the power board 3 due to frequent bumping of an automobile when the automobile is driven on a road surface, thereby causing power failure and disconnection of communication can be avoided.

In some embodiments, referring to fig. 4 and 5, at least one limiting rib is disposed on the inner wall of the upper housing 41. In this embodiment, the spacing muscle is provided with threely, wherein, first spacing muscle 411, the same one side of the inner chamber of casing 41 on square is located at the interval respectively to the spacing muscle 412 of second, the spacing muscle 413 of third is located in casing 41 on square with first spacing muscle 411, the relative one side of the spacing muscle 412 of second, thus, first spacing muscle 411, the spacing muscle 412 of second, the spacing muscle 413 of third forms triangle-shaped limit structure, thereby can carry out spacing and location to heat dissipation support 1 and last casing 41 firmly, and simultaneously, spacing muscle also can provide the installation guide function at its installation in-process, make can install heat dissipation support etc. in last casing 41 rapidly in the assembling process. In some embodiments, the upper housing 41 and the base 42 may be joined by ultrasonic welding. An ultrasonic welding line can be designed on the butt joint surface of the upper shell 41 and the base 42, so that after the upper shell 41 and the base 42 are welded by ultrasonic welding, the fixed connection between the upper shell 41 and the base 42 can be ensured, and the requirement of higher dustproof and waterproof grade can be met.

In some embodiments, referring to fig. 2, a socket 31 for electrically plugging with the antenna board 2 is disposed on the power board 3, and a plug terminal 22 for electrically plugging with the socket 31 is disposed on the antenna board 2, so as to implement functions of communication and data transmission between the power board 3 and the antenna board 2 through the electrical connection between the socket 31 and the plug terminal 22; alternatively, the socket 31 and the socket terminal 22 may be interchanged, that is, a socket terminal (not shown) for electrically plugging with the antenna board 2 is disposed on the power board 3, and a socket (not shown) for electrically plugging with the socket terminal is disposed on the antenna board 2, which may also implement functions such as communication transmission.

Referring to fig. 6, for the utility model discloses the installation schematic diagram when installing millimeter wave radar of backing a car 100 on automobile frame 7 that the embodiment provided, millimeter wave radar of backing a car 100 sets up with bumper 8 relatively, adopts the embodiment of the utility model provides a millimeter wave radar of backing a car 100, it only need less installation clearance can, and its millimeter wave signal that launches can penetrate bumper 8, even at weather such as sand and dust, smog, it also can launch and receive more stable signal to provide stability better, the higher backing a car of security, parking suggestion for the driver and remind experience.

Referring to fig. 7, it is a schematic block diagram of the control principle of the millimeter wave reverse radar according to the embodiment of the present invention when it is installed on the car. The antenna board is used for transmitting millimeter wave signals, receiving the millimeter wave signals reflected by the barrier, processing the millimeter waves by radio frequency signals and then performing algorithm control by the main chip; and the power panel is used for supplying power to the antenna panel and exchanging data with the antenna panel. The main chip on the antenna board transmits and receives millimeter wave signals, and determines the relative distance, the relative angle and the relative speed of the automobile and the obstacle after processing the signals. The embodiment of the utility model provides a millimeter wave radar of backing a car can prevent that the car from colliding with the barrier under the condition of backing a car, has improved the security of car, the incidence of reducible collision.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a millimeter wave radar of backing a car which characterized in that: the millimeter wave reversing radar comprises a radiating support, an antenna plate and a power panel, wherein the antenna plate is arranged on one side of the radiating support and can transmit and receive millimeter wave signals, the power panel is arranged on the other side of the radiating support, the antenna plate, the radiating support and the power panel are sequentially arranged in a stacked mode, the millimeter wave reversing radar further comprises a shell with an inner cavity and a radar interface terminal, the radar interface terminal and the antenna plate are electrically connected with the power panel, a main chip used for controlling the millimeter wave signals and carrying out algorithm operation is arranged on the antenna plate, and the antenna plate, the radiating support and the power panel are all contained in the inner cavity of the shell.

2. The millimeter wave reverse radar of claim 1, wherein: the shell comprises an upper shell with an inner cavity and a base which is in butt joint with the upper shell to form a closed cavity, and the antenna board, the heat dissipation support and the power board are all contained in the closed cavity.

3. The millimeter wave reverse radar of claim 1, wherein: one side of the heat dissipation support opposite to the antenna board is provided with a first accommodating cavity for accommodating the electronic device on the antenna board, and one side of the heat dissipation support opposite to the power board is provided with a second accommodating cavity for accommodating the electronic device on the power board.

4. The millimeter wave reverse radar of claim 2, wherein: the radar interface terminal comprises an interface circuit board, an electric contact terminal and an interface shell, wherein the electric contact terminal is electrically connected to the interface circuit board, the interface circuit board is fixedly arranged on the interface shell, and the electric contact terminal is electrically connected with the power panel.

5. The millimeter wave reverse radar of claim 4, wherein: the interface shell is positioned on the outer side of the upper shell, the interface shell and the upper shell are integrally formed, and the electric contact terminal penetrates through the upper shell and then is electrically connected with the power panel.

6. The millimeter wave reverse radar of claim 4, wherein: the electric contact terminal is a fisheye contact pin, the tail end of the fisheye contact pin is electrically connected to the power panel in an inserting mode, and a fisheye terminal inserting port in butt joint with the fisheye contact pin is formed in the power panel.

7. The millimeter wave reverse radar of claim 6, wherein: the electric contact terminal and the fisheye terminal interface are in interference fit, and the middle part of the electric contact terminal is provided with a right-angle bent angle.

8. The millimeter wave reverse radar of claim 2, wherein: the inner wall of the upper shell is provided with at least one limiting rib.

9. The millimeter wave reverse radar of claim 1, wherein: and a heat conducting pad used for rapidly conducting the heat of the main chip to the heat dissipation support is arranged at the position, opposite to the main chip on the antenna board, on the heat dissipation support.

10. The millimeter wave reverse radar according to any one of claims 1 to 9, wherein: the power panel is provided with a plug socket for electrically plugging with the antenna panel, and the antenna panel is provided with a plug terminal for electrically plugging with the plug socket; or,

the power panel is provided with a plug terminal used for being electrically plugged with the antenna panel, and the antenna panel is provided with a plug socket used for being electrically plugged with the plug terminal.

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