CN115623747A - Miniaturized millimeter wave radar sensor - Google Patents
Miniaturized millimeter wave radar sensor Download PDFInfo
- Publication number
- CN115623747A CN115623747A CN202211257309.XA CN202211257309A CN115623747A CN 115623747 A CN115623747 A CN 115623747A CN 202211257309 A CN202211257309 A CN 202211257309A CN 115623747 A CN115623747 A CN 115623747A
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- CN
- China
- Prior art keywords
- millimeter wave
- wave radar
- radar sensor
- radiating block
- miniaturized
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention relates to the technical field of millimeter wave radar sensors and discloses a miniaturized millimeter wave radar sensor which comprises an installation shell, wherein a placing groove is formed in the left side of the installation shell, an antenna PCB is movably connected to the inner wall of the right side of the placing groove, a square groove is formed in the right side of the installation shell, the square groove is communicated with the inner wall of the right side of the placing groove, a flip cover is hinged to the right side of the top wall in the square groove, and a heat dissipation block is fixedly installed inside the flip cover. This miniaturized millimeter wave radar sensor, through setting up the radiating block, the radiating block install on millimeter wave radar sensor shell and with the right side contact of antenna PCB board, and the coating in radiating block left side has heat conduction silicone grease, make on millimeter wave radar module and the heat that antenna PCB board operation produced can transmit to the radiating block fast, and the right side and the outside air contact of radiating block make the heat on the radiating block scatter and disappear rapidly, thereby be convenient for miniaturized millimeter wave radar sensor's quick heat dissipation.
Description
Technical Field
The invention relates to the technical field of millimeter wave radar sensors, in particular to a miniaturized millimeter wave radar sensor.
Background
The wavelength of the millimeter wave is between the centimeter wave and the light wave, so the millimeter wave has the advantages of microwave guidance and photoelectric guidance. Compared with a centimeter-wave radar, the millimeter-wave radar has the characteristics of small volume, easy integration and high spatial resolution. Compared with optical sensors such as a camera, infrared sensors, laser sensors and the like, the millimeter wave radar has the advantages of being strong in fog, smoke and dust penetrating capability and anti-interference capability and having all-weather (except rainy days) all-day characteristics.
At present, the appearance of the millimeter wave radar sensor for the vehicle is generally in a box shape, so that the millimeter wave radar sensor is more miniaturized. Because the box inner structure is compacter, and millimeter wave radar sensing element's radiating efficiency is all lower, adopts the mode that the box was opened outward and is established the louvre to dispel the heat usually, and this kind of mode radiating effect is not obvious, and installs the fin additional in the box and need increase the space in the box again, can't guarantee millimeter wave radar sensor's miniaturization. Therefore, it is urgently needed to design a millimeter wave radar sensor with small size and good heat dissipation effect.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a miniaturized millimeter wave radar sensor which has the advantages of good heat conduction and heat dissipation effects and solves the problem of poor heat dissipation effect of the miniaturized millimeter wave radar sensor.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a miniaturized millimeter wave radar sensor, includes the installation shell, the standing groove has been seted up in the left side of installation shell, the inner wall swing joint on standing groove right side has antenna PCB board, square groove has been seted up on the right side of installation shell, the inner wall intercommunication on square groove and standing groove right side, the right side of roof articulates there is flip in the square groove, flip's inside fixed mounting has the radiating block, the left side of radiating block and the right side swing joint of antenna PCB board, square groove's interior diapire is seted up flutedly, the interior diapire fixed mounting of recess has the spring, the top fixedly connected with fixture block of spring, the top of fixture block is pegged graft with flip's bottom activity, the side cap is installed in the left side of installation shell.
Preferably, four left angles of side cap all are provided with fixed screw, four the right-hand member of fixed screw respectively with four left angle threaded connection of installation shell, the side cap is fixed in the left side of installation shell through four fixed screw installations, encapsulates millimeter wave radar sensing subassembly.
Preferably, millimeter wave radar module is installed in the left side of antenna PCB board, millimeter wave radar module's left side and the right side counterbalance of side cap are held, and millimeter wave radar subassembly installation is put fixedly in the installation shell, the heat conduction heat dissipation operation on antenna PCB board right side of being convenient for.
Preferably, the left side of radiating block is provided with heat conduction silicone grease, the left side of radiating block and the right side counterbalance of antenna PCB board are held, and the radiating block is installed on millimeter wave radar sensor shell and with the right side contact of antenna PCB board, and the coating in radiating block left side has heat conduction silicone grease for the heat that millimeter wave radar module and antenna PCB board operation produced can be transmitted to the radiating block fast on, and the right side and the outside air contact of radiating block make the heat on the radiating block scatter and disappear rapidly.
Preferably, the bottom of the flip cover is provided with a slot, the top of the fixture block is movably inserted into the slot, and the flip cover on the right side of the mounting shell is closed and then is inserted and positioned by the fixture block, so that the millimeter wave radar sensor can be conveniently packaged.
Preferably, the right side fixedly connected with connecting strip of fixture block, the slide has been seted up on the right side of installation shell, the slide communicates with the inner wall on recess right side, the right-hand member of connecting strip and the inside sliding connection of slide, with the connecting strip lapse, drive the fixture block and shift out downwards from the slot of flip bottom, make the flip of opening the installation shell right side, can add heat conduction silicone grease to the surface of the inboard radiating block of flip to improve millimeter wave radar sensor's heat conduction effect, and then be convenient for miniaturized millimeter wave radar sensor's quick heat dissipation.
Compared with the prior art, the invention provides a miniaturized millimeter wave radar sensor, which has the following beneficial effects:
1. this miniaturized millimeter wave radar sensor, through setting up the radiating block, the radiating block install on millimeter wave radar sensor shell and with the right side contact of antenna PCB board, and the coating in radiating block left side has heat conduction silicone grease, make on millimeter wave radar module and the heat that antenna PCB board operation produced can transmit to the radiating block fast, and the right side and the outside air contact of radiating block make the heat on the radiating block scatter and disappear rapidly, thereby be convenient for miniaturized millimeter wave radar sensor's quick heat dissipation.
2. This miniaturized millimeter wave radar sensor through setting up spring, fixture block, slot and connecting strip, moves the connecting strip downwards, drives the fixture block and shifts out downwards from the slot of flip bottom, makes the flip of opening the installation shell right side, can add heat conduction silicone grease to the surface of the inboard radiating block of flip to improve millimeter wave radar sensor's heat conduction effect, and then the quick heat dissipation of the miniaturized millimeter wave radar sensor of being convenient for.
Drawings
FIG. 1 is a cross-sectional view of the structure of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
fig. 3 is a side view of the structure of the present invention.
Wherein: 1. mounting a shell; 2. an antenna PCB board; 3. a square groove; 4. a cover is turned; 5. a heat dissipating block; 6. a spring; 7. a clamping block; 8. a side cover; 9. fixing screws; 10. a millimeter wave radar module; 11. heat-conducting silicone grease; 12. a slot; 13. a connecting strip; 14. a slide way.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a miniaturized millimeter wave radar sensor comprises a mounting housing 1, a placement groove is formed on the left side of the mounting housing 1, an antenna PCB 2 is movably connected to the inner wall of the right side of the placement groove, a square groove 3 is formed on the right side of the mounting housing 1, the square groove 3 is communicated with the inner wall of the right side of the placement groove, a flip cover 4 is hinged to the right side of the inner top wall of the square groove 3, a heat dissipation block 5 is fixedly installed inside the flip cover 4, the left side of the heat dissipation block 5 is movably connected with the right side of the antenna PCB 2, heat conductive silicone grease 11 is arranged on the left side of the heat dissipation block 5, the left side of the heat dissipation block 5 is abutted against the right side of the antenna PCB 2, a heat dissipation block 5 is arranged, the heat dissipation block 5 is installed on the housing of the millimeter wave radar sensor and is in contact with the right side of the antenna PCB 2, and the heat conductive silicone grease 11 is coated on the left side of the heat dissipation block 5, so that heat generated by the operation of a millimeter wave radar module 10 and the antenna PCB 2 can be rapidly transferred to the heat dissipation block 5, the right side of the heat dissipation block 5 is contacted with the outside air, so that the heat on the heat dissipation block 5 is rapidly dissipated, and the rapid heat dissipation of the miniaturized millimeter wave radar sensor is facilitated, the inner bottom wall of the square groove 3 is provided with a groove, the inner bottom wall of the groove is fixedly provided with the spring 6, the top end of the spring 6 is fixedly connected with the fixture block 7, the top of the fixture block 7 is movably inserted with the bottom of the flip cover 4, the bottom of the flip cover 4 is provided with a slot 12, the top of the fixture block 7 is movably inserted with the inside of the slot 12, the right side of the fixture block 7 is fixedly connected with a connecting strip 13, the right side of the mounting shell 1 is provided with a slide 14, the slide 14 is communicated with the inner wall on the right side of the groove, the right end of the connecting strip 13 is slidably connected with the inside of the slide 14, the spring 6, the fixture block 7, the slot 12 and the connecting strip 13 are arranged, the connecting strip 13 is moved downwards to drive the fixture block 7 to move out from the slot 12 on the bottom of the flip cover 4, make flip 4 of opening installation shell 1 right side, can add heat conduction silicone grease 11 to the surface of flip 4 inboard radiating block 5, thereby improve millimeter wave radar sensor's heat conduction effect, and then be convenient for miniaturized millimeter wave radar sensor's quick heat dissipation, side cap 8 is installed in the left side of installation shell 1, millimeter wave radar module 10 is installed in the left side of antenna PCB board 2, millimeter wave radar module 10's left side is held with the right side counterbalance of side cap 8, 8 left four angles of side cap all are provided with fixed screw 9, four fixed screw 9's right-hand member respectively with 1 left four angle threaded connection of installation shell.
When the millimeter wave radar sensor is used, the heat dissipation block 5 is installed on a shell of the millimeter wave radar sensor and is in contact with the right side of the antenna PCB 2, the left side of the heat dissipation block 5 is coated with the heat conduction silicone grease 11, so that heat generated by operation of the millimeter wave radar module 10 and the antenna PCB 2 can be quickly transferred to the heat dissipation block 5, the right side of the heat dissipation block 5 is in contact with the outside air, so that the heat on the heat dissipation block 5 is quickly dissipated, when the heat conduction efficiency of the millimeter wave radar sensor is reduced due to consumption of the heat conduction silicone grease 11, the connecting strip 13 is moved downwards, the clamping block 7 is driven to move downwards from the slot 12 in the bottom of the flip cover 4, the flip cover 4 on the right side of the installation shell 1 is opened, the heat conduction silicone grease 11 can be added on the surface of the heat dissipation block 5 on the inner side of the flip cover 4, then the flip cover 4 is closed and is matched and fixed with the clamping block 7, the left side of the heat dissipation block 5 is tightly attached to the right side of the antenna PCB 2, so that the heat conduction effect of the millimeter wave radar sensor is improved, the heat dissipation effect of the millimeter wave radar sensor is enhanced, the heat dissipation effect of the miniaturized millimeter wave radar sensor is enhanced, and the heat dissipation effect of the miniaturized millimeter wave radar sensor is enhanced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A miniaturized millimeter wave radar sensor, includes installation shell (1), its characterized in that: the mounting structure is characterized in that a placing groove is formed in the left side of the mounting shell (1), an antenna PCB (printed circuit board) is movably connected to the inner wall on the right side of the placing groove, a square groove (3) is formed in the right side of the mounting shell (1), the square groove (3) is communicated with the inner wall on the right side of the placing groove, a flip (4) is hinged to the right side of the inner top wall of the square groove (3), a radiating block (5) is fixedly mounted inside the flip (4), the left side of the radiating block (5) is movably connected with the right side of the antenna PCB (2), a groove is formed in the inner bottom wall of the square groove (3), a spring (6) is fixedly mounted in the inner bottom wall of the groove, a clamping block (7) is fixedly connected to the top of the spring (6), the top of the clamping block (7) is movably connected with the bottom of the flip (4), and a side cover (8) is mounted on the left side of the mounting shell (1).
2. A miniaturized millimeter wave radar sensor according to claim 1, characterized in that: four left angles of side cap (8) all are provided with fixed screw (9), four the right-hand member of fixed screw (9) respectively with four left angle threaded connection of installation shell (1).
3. A miniaturized millimeter wave radar sensor according to claim 1, characterized in that: millimeter wave radar module (10) are installed in the left side of antenna PCB board (2), the left side of millimeter wave radar module (10) is supported with the right side of side cap (8).
4. A miniaturized millimeter wave radar sensor according to claim 1, characterized in that: the left side of radiating block (5) is provided with heat conduction silicone grease (11), the left side of radiating block (5) is held against the right side of antenna PCB board (2).
5. A miniaturized millimeter wave radar sensor according to claim 1, characterized in that: the bottom of the flip cover (4) is provided with a slot (12), and the top of the clamping block (7) is movably inserted into the slot (12).
6. A miniaturized millimeter wave radar sensor according to claim 1, characterized in that: the right side fixedly connected with connecting strip (13) of fixture block (7), slide (14) have been seted up on the right side of installation shell (1), slide (14) and the inner wall on recess right side intercommunication, the right-hand member of connecting strip (13) and the inside sliding connection of slide (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211257309.XA CN115623747A (en) | 2022-10-14 | 2022-10-14 | Miniaturized millimeter wave radar sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211257309.XA CN115623747A (en) | 2022-10-14 | 2022-10-14 | Miniaturized millimeter wave radar sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115623747A true CN115623747A (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211257309.XA Pending CN115623747A (en) | 2022-10-14 | 2022-10-14 | Miniaturized millimeter wave radar sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117222177A (en) * | 2023-08-10 | 2023-12-12 | 上海几何伙伴智能驾驶有限公司 | Millimeter wave radar heat radiation structure and millimeter wave radar |
-
2022
- 2022-10-14 CN CN202211257309.XA patent/CN115623747A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117222177A (en) * | 2023-08-10 | 2023-12-12 | 上海几何伙伴智能驾驶有限公司 | Millimeter wave radar heat radiation structure and millimeter wave radar |
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