CN210554537U - Vehicle-mounted millimeter wave radar structure - Google Patents
Vehicle-mounted millimeter wave radar structure Download PDFInfo
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- CN210554537U CN210554537U CN201921044279.8U CN201921044279U CN210554537U CN 210554537 U CN210554537 U CN 210554537U CN 201921044279 U CN201921044279 U CN 201921044279U CN 210554537 U CN210554537 U CN 210554537U
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- radiating seat
- millimeter wave
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Abstract
The utility model discloses an on-vehicle millimeter wave radar structure, including the antenna housing upper housing, casing, on-vehicle radar circuit board and on-vehicle radar joint under the radiating seat. The utility model discloses the core adopts and fixes the receiving and dispatching function that realizes the radar signal of electricity at the inside vehicle radar circuit board of casing frame under the radiating seat, utilizes the aluminum alloy heat dissipation tooth of radiating seat inferior valve to improve the heat radiation characteristic of radar, utilizes the vehicle radar of the side of casing under antenna hood casing and the radiating seat to connect and realize signal transmission, connects and contains two rows of formula row needles, has small, and the interval is big, convenient operation, and waterproof dirt-proof function is applicable to various abominable environments. The utility model provides a technical scheme can be through a plurality of fixing device structures and car fixed connection to carry out low-power consumption, high accuracy to the appointed region of car periphery and survey, have small light in weight's characteristics, and can adapt to harsh operational environment.
Description
Technical Field
The utility model relates to an on-vehicle radar technical field especially relates to a radar box body and joint thereof.
Background
Since the advent of radar technology, radar products have become increasingly popular for use in various industries. With the continuous maturation of radio frequency chip technology, more and more radar sensors are used in the field of active safety of vehicles and general aircrafts. The vehicle-mounted millimeter wave radar is a radar which is arranged on an automobile and used for realizing functions of measuring obstacles, predicting collision, self-adaptive cruise control and the like, can effectively reduce driving difficulty, reduce driver burden and reduce accident occurrence rate, and is widely applied to the field of automobiles. The user and the market often put forward the following four requirements on the radar sensor, namely, high detection precision; secondly, the volume is small and the weight is light; thirdly, low power consumption; fourthly, the method can adapt to severe working environment.
At present, the existing automotive millimeter wave radar structure in the market is mainly formed by assembling an upper shell, a lower shell, a side wall and other separating parts, the requirements of the side wall separating structure on heat dissipation and air tightness are high, meanwhile, additional heat dissipation parts are needed, and a strictly sealed structure is suitable for a severe working environment, and the processing and assembling cost is relatively high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the weak point of above-mentioned prior art, the utility model aims at providing a structure of on-vehicle millimeter wave radar structure through the lateral wall isolating construction who improves the millimeter wave radar, obtains the characteristic that detection accuracy is high, small light in weight, can adapt to harsh operational environment.
The technical scheme of the utility model is that a vehicle-mounted millimeter wave radar structure comprises an antenna cover upper shell, a radiating seat lower shell, a vehicle-mounted radar circuit board and a vehicle-mounted radar connector.
The vehicle-mounted radar circuit board is fixed inside a frame of a lower shell of the heat radiating seat, and the upper shell of the antenna cover is fixed on the lower shell of the heat radiating seat through screws and sealing strips on the peripheral frame.
Adopt above-mentioned further scheme's beneficial effect is that, vehicle radar links together outside cable and box body articulate, connects the circuit board in with the box body again, and the transition through the joint gives the circuit board with power signal transmission, and input/output signal also carries out radar and outside intercommunication through connecting, has overcome the coaxial micropore transmission signal transmission loss of millimeter wave radar class big drawback and the more complicated problem of traditional lateral wall isolating construction.
The radar module further adopts the technical scheme that a silica gel ring is used between the upper shell and the lower shell for protection, and a waterproof breathable film is used for adjusting the balance of air inside and outside the radar module.
The vehicle-mounted millimeter wave radar has the beneficial effects that the vehicle-mounted millimeter wave radar has the characteristics of wide temperature adaptation, good sealing property, good insulating property, good dielectric property, good environmental protection property and the like by adopting the silicone rubber O-shaped ring, and is resistant to high and low temperatures and less interfered by the external environment; the vehicle-mounted millimeter wave radar has the functions of water resistance and ventilation by adopting the waterproof and breathable film (breathing paper).
The antenna housing is separated from the antenna surface and is guaranteed to be at two half wavelengths, the antenna housing is made of PBT (polybutylene terephthalate) plastics, and the antenna housing has the advantages that interference on signals can be reduced as much as possible, good radiation performance of the antenna is guaranteed, and requirements of transmitting and receiving signals of the radar antenna are met.
The vehicle-mounted radar connector is connected to the side edges of the upper housing of the antenna cover and the lower housing of the radiating seat, and a plurality of rows of pins are arranged in the vehicle-mounted radar connector, wherein the plurality of rows of pins are in two rows; suitable for both signal and current to pass through. The vehicle-mounted radar connector is arranged on one side of the vehicle-mounted radar shell body, so that the vehicle-mounted radar connector is small in size, large in space, convenient to operate, waterproof and dustproof;
the technical scheme is that the lower shell structure of the heat radiating seat further comprises a plurality of fixing device structures, the fixing device structures are suitable for mounting various supports, and meanwhile, the lower shell of the heat radiating seat comprises aluminum alloy die-cast heat radiating teeth, so that the heat radiating area can be increased.
The radar lower shell directly adopts the aluminum alloy die-casting radiating teeth, so that the forming is good, the heat conductivity coefficient is high, and the electrical property is good; the heat dissipation can be timely dissipated into the air, the temperature of the chip is reduced, the reliability of the chip is improved, and electromagnetic leakage and interference are prevented.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic diagram of an outline structure of a radar according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a waterproof joint according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of an overall architecture according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.
The embodiment provides a vehicle-mounted millimeter wave radar structure, its characterized in that with, including antenna casing 1 on, casing 2, vehicle-mounted radar circuit board 4 and vehicle-mounted radar joint 3 under the radiating seat.
The vehicle-mounted radar circuit board 4 is fixed inside a frame of the radiating seat lower shell 2, meanwhile, the antenna cover upper shell 1 is also fixed on the radiating seat lower shell through screws and sealing strips of the peripheral frame, and the vehicle-mounted radar circuit board 4 and the antenna cover 1 keep a distance of about two half-wavelengths.
Use waterproof silica gel circle and ventilated membrane 6 to protect in the middle of two upper and lower casings to use waterproof ventilated membrane to adjust the inside and outside air balance of radar module.
The radome is guaranteed to be two half wavelengths from the antenna face on the vehicle radar circuit board 4.
The vehicle-mounted radar connector 3 is connected to the side edges of the upper antenna cover shell and the lower radiating seat shell, and a plurality of rows of pins are arranged in the vehicle-mounted radar connector and are in two rows; suitable for both signal and current to pass through.
The lower shell 2 of the heat dissipation seat structurally further comprises a plurality of fixing device structures, the lower shell is suitable for installation of various supports, and meanwhile, the lower shell of the heat dissipation seat comprises aluminum alloy die-casting heat dissipation teeth, so that the heat dissipation area can be increased.
The above detailed description is given to a waterproof fastening housing provided by the embodiments of the present invention, and the detailed embodiments are applied to the present disclosure to explain the technical solution of the present invention, and the above embodiments are only preferred embodiments of the present invention, and are not used to limit the protection scope of the present invention.
Claims (4)
1. A vehicle-mounted millimeter wave radar structure is characterized by comprising an antenna cover upper shell, a radiating seat lower shell, a vehicle-mounted radar circuit board and a vehicle-mounted radar connector; the vehicle-mounted radar circuit board is fixed inside the lower radiating seat shell, the upper antenna cover shell is fixed on the lower radiating seat shell through screws, and the distance between the vehicle-mounted radar circuit board and the upper antenna cover shell is kept for the wavelength of electromagnetic waves of at least one working frequency point; the vehicle-mounted radar joint is connected to one ends of the upper antenna cover shell and the lower radiating seat shell.
2. The vehicle-mounted millimeter wave radar structure according to claim 1, wherein a plurality of rows of pins are arranged in the vehicle-mounted radar connector, and the plurality of rows of pins are arranged in two rows; for simultaneous passage of signal and current.
3. The structure of claim 1, wherein the lower housing of the heat sink is further provided with a plurality of fixing devices for mounting the bracket, and the lower housing of the heat sink is provided with aluminum alloy heat dissipation teeth for increasing the heat dissipation area.
4. The vehicle-mounted millimeter wave radar structure according to claim 1, wherein a silicone ring is arranged between the antenna cover upper shell and the heat sink lower shell, and a waterproof breathable film is used for adjusting the balance of air inside and outside the radar structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044279.8U CN210554537U (en) | 2019-07-05 | 2019-07-05 | Vehicle-mounted millimeter wave radar structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921044279.8U CN210554537U (en) | 2019-07-05 | 2019-07-05 | Vehicle-mounted millimeter wave radar structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210554537U true CN210554537U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921044279.8U Active CN210554537U (en) | 2019-07-05 | 2019-07-05 | Vehicle-mounted millimeter wave radar structure |
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| CN (1) | CN210554537U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113206367A (en) * | 2020-12-02 | 2021-08-03 | 西安黄河机电有限公司 | Active phased array antenna |
| TWI756075B (en) * | 2020-06-30 | 2022-02-21 | 台揚科技股份有限公司 | Electronic device |
| CN114624654A (en) * | 2022-05-13 | 2022-06-14 | 南京隼眼电子科技有限公司 | Radar structure and vehicle-mounted radar equipment |
-
2019
- 2019-07-05 CN CN201921044279.8U patent/CN210554537U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI756075B (en) * | 2020-06-30 | 2022-02-21 | 台揚科技股份有限公司 | Electronic device |
| US11688935B2 (en) | 2020-06-30 | 2023-06-27 | Microelectronics Technology, Inc. | Electronic device |
| CN113206367A (en) * | 2020-12-02 | 2021-08-03 | 西安黄河机电有限公司 | Active phased array antenna |
| CN113206367B (en) * | 2020-12-02 | 2022-09-13 | 西安黄河机电有限公司 | Active phased array antenna |
| CN114624654A (en) * | 2022-05-13 | 2022-06-14 | 南京隼眼电子科技有限公司 | Radar structure and vehicle-mounted radar equipment |
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