CN117289260A - Millimeter wave radar device for ship - Google Patents
Millimeter wave radar device for ship Download PDFInfo
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- CN117289260A CN117289260A CN202311589334.2A CN202311589334A CN117289260A CN 117289260 A CN117289260 A CN 117289260A CN 202311589334 A CN202311589334 A CN 202311589334A CN 117289260 A CN117289260 A CN 117289260A
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- radar
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- 238000012545 processing Methods 0.000 claims abstract description 33
- 238000002592 echocardiography Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 230000001133 acceleration Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 claims description 20
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000004519 grease Substances 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 229920007776 PBT GF30 Polymers 0.000 claims description 4
- 229920007017 PBT-GF30 Polymers 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000013461 design Methods 0.000 description 5
- 230000008447 perception Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a millimeter wave radar device for a ship, which comprises a shell and an electrical component positioned in the shell, wherein the electrical component comprises: the on-board microstrip antenna comprises three transmitting antennas and four receiving antennas; the radio frequency signal receiving and transmitting unit is connected with the transmitting antenna and the receiving antenna, so as to transmit signals outwards through the transmitting antenna, receive returned transmitting signals through the receiving antenna, and perform mixing processing on the returned transmitting signals to obtain intermediate frequency analog signals, acquire the intermediate frequency analog signals to obtain original digital signals of radar echoes, and process the original digital signals of the radar echoes by adopting a radar processing algorithm to obtain initial radar four-dimensional point clouds; the inertial measurement unit is used for detecting triaxial acceleration and triaxial angular velocity of the ship; and the signal processing unit is connected with the radio frequency signal receiving and transmitting unit and the inertia measuring unit to carry out enhancement processing on the initial radar four-dimensional point cloud according to the triaxial acceleration and the triaxial angular velocity so as to obtain a final radar four-dimensional point cloud.
Description
Technical Field
The invention relates to the technical field of radar radio frequency, in particular to a millimeter wave radar device for a ship.
Background
The 77GHz millimeter wave radar is used as an emerging radar technology, and is widely applied to automobile auxiliary driving systems and automatic driving systems in recent years due to the all-day and all-weather environment sensing capability. However, for the water surface scene of the ship application, the current 77GHz millimeter wave radar device for the vehicle cannot be well applied to the ship due to the complex water surface environment, such as water clutter.
In view of the above, it is necessary to provide a millimeter wave radar device for a ship which can be applied to a ship and has high perceived reliability to solve the above-described drawbacks.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the millimeter wave radar device for the ship, which can be applied to the ship and has higher perception reliability.
In order to solve the technical problems, the invention adopts the following technical scheme: provided is a millimeter wave radar device for a ship, including a housing and an electrical component located in the housing, the electrical component including:
the on-board microstrip antenna comprises three transmitting antennas and four receiving antennas;
the radio frequency signal receiving and transmitting unit is connected with the three transmitting antennas and the four receiving antennas to externally transmit signals through the transmitting antennas, receives returned transmitting signals through the receiving antennas, carries out mixing processing on the received returned transmitting signals to obtain intermediate frequency analog signals, acquires the intermediate frequency analog signals to obtain original digital signals of radar echoes, and adopts a radar processing algorithm to process the original digital signals of the radar echoes to obtain initial radar four-dimensional point cloud;
the inertial measurement unit is used for detecting triaxial acceleration and triaxial angular velocity of the ship;
the signal processing unit is connected with the radio frequency signal receiving and transmitting unit and the inertia measuring unit, so that the initial radar four-dimensional point cloud is enhanced according to the triaxial acceleration and the triaxial angular velocity from the inertia measuring unit, and a final radar four-dimensional point cloud is obtained, wherein the final radar four-dimensional point cloud comprises the distance, the azimuth angle, the pitch angle and the Doppler velocity information of a target.
The further technical scheme is as follows: the four receiving antennas are uniformly distributed in a linear array mode, the three transmitting antennas are uniformly arranged on the same horizontal direction at equal intervals, and two transmitting antennas in the three transmitting antennas are uniformly arranged in the vertical direction at equal heights.
The further technical scheme is as follows: the distance between every two adjacent receiving antennas is 1.95mm, and the distance between every two adjacent transmitting antennas in the horizontal direction is 3.896mm.
The further technical scheme is as follows: the electric assembly further comprises a communication conversion transmission unit, and the communication conversion transmission unit is connected with the signal processing unit.
The further technical scheme is as follows: the radar processing algorithm comprises: performing first-dimension Fourier transform operation on original digital signals of radar echoes from the same chirp along a distance direction, performing second-dimension Fourier transform operation on original digital signals of radar echoes from different chirp along a Doppler direction to obtain a radar data cube, performing constant false alarm detection on the radar data cube to obtain cells containing effective targets, performing phase compensation on the cells containing the effective targets by utilizing data from four receiving antennas, and further obtaining an initial radar four-dimensional point cloud through third-dimension Fourier transform.
The further technical scheme is as follows: the shell comprises a back plate and a front shell which is covered on the back plate and is enclosed with the back plate to form a containing space, the electric assembly is arranged in the containing space and further comprises a second circuit board and a first circuit board which is erected on the second circuit board, the radio frequency signal receiving and transmitting unit is arranged on the upper surface of the first circuit board, the on-board microstrip antenna is connected with the radio frequency signal receiving and transmitting unit on the first circuit board, the inertia measuring unit is arranged on the upper surface of the second circuit board, and the signal processing unit is arranged on the lower surface of the second circuit board.
The further technical scheme is as follows: the shell is internally provided with a radiating plate which is arranged on the first circuit board and is close to the radio frequency signal receiving and transmitting unit, and a heat conduction silicon chip and heat conduction silicone grease are filled between the radio frequency signal receiving and transmitting unit and the radiating plate.
The further technical scheme is as follows: one side of the radiating plate, which is far away from the radio frequency signal receiving and transmitting unit, is connected with a radiating rack, the bottom end of the radiating rack penetrates through the second circuit board and is positioned above the backboard, and a heat conducting silicon chip and heat conducting silicone grease are filled between the backboard and the bottom end of the radiating rack.
The further technical scheme is as follows: the waterproof back plate comprises a back plate and is characterized in that a bulge which surrounds the edge of the back plate is arranged on the back plate, a groove matched with the bulge is correspondingly formed in the side wall of the front shell, and waterproof glue is filled between the front shell and the back plate.
The further technical scheme is as follows: the front shell is made of PBT-GF30 composite material, the front shell and the back plate are processed by CNC technology, a contact boss is arranged on the upper surface of the back plate relative to the signal processing unit, and a plurality of heat dissipation teeth are arranged on the lower surface of the back plate.
The beneficial technical effects of the invention are as follows: compared with the prior art, the radio frequency signal receiving and transmitting unit in the electrical component of the marine millimeter wave radar device transmits signals outwards through three transmitting antennas, receives the transmitted signals which are transmitted outwards and returned through four receiving antennas, carries out mixing processing on the returned transmitted signals to obtain intermediate frequency analog signals, collects the intermediate frequency analog signals to obtain original digital signals of radar echoes, adopts a radar processing algorithm to process the original digital signals of the radar echoes to obtain initial radar four-dimensional point cloud, and the signal processing unit can carry out enhancement processing on the initial radar four-dimensional point cloud according to three-axis acceleration and three-axis angular velocity from the inertial measurement unit to obtain final radar four-dimensional point cloud, wherein the final radar four-dimensional point cloud comprises distance, azimuth angle, pitch angle and Doppler velocity information of targets.
Drawings
Fig. 1 is a schematic structural view of a millimeter wave radar apparatus for a ship according to an embodiment of the present invention.
Fig. 2 is a schematic block diagram of electrical components in the millimeter wave radar device for a ship of the present invention.
Fig. 3 is an exploded view of the millimeter wave radar device for a ship shown in fig. 1.
Fig. 4 is a schematic view of the structure of the millimeter wave radar device for a ship according to the present invention with a casing removed.
Fig. 5 is a schematic structural view of the millimeter wave radar device for a ship shown in fig. 4 from another perspective.
Fig. 6 is a layout diagram of a board-mounted microstrip antenna in a first circuit board in the millimeter wave radar device for a ship according to the present invention.
Detailed Description
The present invention will be further described with reference to the drawings and examples below in order to more clearly understand the objects, technical solutions and advantages of the present invention to those skilled in the art.
Referring to fig. 1-6, fig. 1-6 illustrate one embodiment of a marine millimeter wave radar device 100 of the present invention. In the embodiment shown in the drawings, the millimeter wave radar device 100 for a ship includes a housing 1 and electrical components located in the housing 1, wherein the electrical components include an on-board microstrip antenna 22, a radio frequency signal transceiver unit 21, an inertia measurement unit 23, and a signal processing unit 24. Wherein, the on-board microstrip antenna 22 includes three transmitting antennas 221 and four receiving antennas 222; the radio frequency signal transceiver unit 21 is connected with three transmitting antennas 221 and four receiving antennas 222 to transmit signals outwards through the transmitting antennas 221, in this embodiment, the signals transmitted outwards are frequency modulated continuous waves with the frequency of 77-81GHz, the receiving antennas 222 receive returned transmitting signals, and the receiving returned transmitting signals are subjected to mixing processing to obtain intermediate frequency analog signals, the intermediate frequency analog signals are collected to obtain original digital signals of radar echoes, and a radar processing algorithm is adopted to process the original digital signals of the radar echoes to obtain initial radar four-dimensional point clouds; the inertial measurement unit 23 is used for detecting the triaxial acceleration and triaxial angular velocity of the ship; the signal processing unit 24 is connected to the radio frequency signal transceiver unit 21 and the inertial measurement unit 23, so as to perform enhancement processing on the initial radar four-dimensional point cloud according to the triaxial acceleration and the triaxial angular velocity from the inertial measurement unit 23, so as to obtain a final radar four-dimensional point cloud, where the final radar four-dimensional point cloud includes the range, azimuth angle, pitch angle and doppler velocity information of the target. Based on the design, the marine millimeter wave radar device 100 can directly output four-dimensional point cloud information including the distance, azimuth angle, pitch angle and Doppler speed of the detection target, the water surface environment is obtained through the combination of the multi-dimensional point cloud information, the influence of water clutter on the water surface can be effectively reduced, and the perception reliability of the marine millimeter wave radar device 100 is improved.
In some embodiments, the radar processing algorithm specifically includes: performing a first dimension Fourier transform operation on an original digital signal of a radar echo from the same chirp along a distance direction, performing a second dimension Fourier transform operation on an original digital signal of a radar echo from different chirps along a Doppler direction, obtaining a radar data cube, performing constant false alarm detection on the radar data cube, obtaining a cell containing an effective target, performing phase compensation on the cell containing the effective target by utilizing data from four receiving antennas 222, and further obtaining an initial radar four-dimensional point cloud through third dimension Fourier transform.
Further, the electrical component may further include a communication conversion transmission unit 25, where the communication conversion transmission unit 25 is connected to the signal processing unit 24, so as to convert the final radar four-dimensional point cloud obtained by the signal processing unit 24 into data output supporting the ethernet protocol, and may also support partial data to be output externally through CAN and RS 485.
Preferably, in this embodiment, the radio frequency transceiver unit 21 is a chip with a model AWR1843, the inertial measurement unit 23 is a mes chip with a model BMI055, the signal processing unit 24 is a microcontroller with a model STM32F4, and the communication conversion and transmission unit 25 is a PHY chip with a model LAN8720 AI.
As shown in fig. 6, in some embodiments, four receiving antennas 222 are uniformly arranged in a linear array, the distance between every two adjacent receiving antennas 222 is preferably 1.95mm, three transmitting antennas 221 are uniformly arranged in the same horizontal direction, two transmitting antennas 221 of the three transmitting antennas 221 are uniformly arranged in the vertical direction, further, another transmitting antenna 221 of the three transmitting antennas 221 is about 1.95mm higher than the transmitting antennas 221 arranged in the same height in the vertical direction, and the distance between every two adjacent transmitting antennas 221 in the horizontal direction is preferably 3.896mm.
With continued reference to fig. 3 to 5, the housing 1 includes a back plate 12, a front shell 11 covering the back plate 12 and enclosing the back plate 12 to form a containing space, the electrical component is disposed in the containing space, the electrical component further includes a second circuit board 14 and a first circuit board 13 erected on the second circuit board 14, the radio frequency signal transceiver unit 21 is disposed on the upper surface of the first circuit board 13, the on-board microstrip antenna 22 is disposed on the first circuit board 13, one end of the on-board microstrip antenna is connected with the radio frequency signal transceiver unit 21 on the first circuit board 13, the other end of the on-board microstrip antenna passes through the front shell 11 to perform radio frequency transmission and reception, the other end of the on-board is exposed outside the housing 1, the inertia measurement unit 23 is disposed on the upper surface of the second circuit board 14, and the signal processing unit 24 is disposed on the lower surface of the second circuit board 14. Preferably, in this embodiment, the first circuit board 13 is erected on the second circuit board 14 through a stud 131, the communication conversion transmission unit 25 is connected with a first interface 32 and a second interface 31 on the second circuit board 14, and the first interface 32 and the second interface 31 are physical interfaces for external communication of the marine millimeter wave radar device 100. Further, an O-ring is disposed at the contact position between the first interface 32 and the second interface 31 and the back plate 12, so as to realize a sealing function and achieve the sealing and waterproof effects of the IP 67.
In some embodiments, the housing 1 further includes a heat dissipation plate 15, where the heat dissipation plate 15 is erected on the first circuit board 13 and is close to the radio frequency signal transceiver unit 21, as shown in fig. 4, in this embodiment, the radio frequency signal transceiver unit 21 is located below the heat dissipation plate 15, and a heat conducting silicon chip and a heat conducting silicone grease are filled between the radio frequency signal transceiver unit 21 and the heat dissipation plate 15. Based on the above design, the heat emitted by the radio frequency signal transceiver unit 21 can be transferred to the heat dissipation plate 15 in a contact manner, and the heat conduction silicon chip and the heat conduction silicone grease filled in the gap between the heat dissipation plate 15 and the chip with the model of AWR1843 can transfer the heat emitted by the AWR1843 to the heat dissipation plate 15 better.
Further, a heat dissipation rack 151 is connected to a side of the heat dissipation plate 15 away from the rf signal transceiver unit 21, a through groove 141 is formed in a position of the second circuit board 14 corresponding to the heat dissipation rack 151, a bottom end of the heat dissipation rack 151 passes through the through groove 141 and is located above the back plate 12, and a heat conducting silicon chip and a heat conducting silicone grease are filled between the back plate 12 and the bottom end of the heat dissipation rack 151. Based on the design, the heat dissipation area can be increased by the design of the heat dissipation rack 151, so that the convection heat dissipation with air can be increased, the working temperature of a chip is effectively ensured, the working performance of the marine millimeter wave radar device 100 is ensured, and meanwhile, the use safety is improved; and the gap between the upper surface of the back plate 12 and the heat dissipation rack 151 is filled with heat conduction silicon chips and heat conduction silicone grease, so that the heat conduction silicon chips can not only play a role in transferring heat, namely, the heat on the heat dissipation rack 151 is transferred to the back plate 12 and further transferred to the outside through the back plate 12, but also play a role in buffering among the first circuit board 13, the second circuit board 14 and the back plate 12.
In some embodiments, the back plate 12 is provided with a protrusion 122 disposed around the edge of the back plate 12, the side wall of the front shell 11 is correspondingly provided with a groove matched with the protrusion 122, and waterproof glue is filled between the front shell 11 and the back plate 12, so that protection of the IP67 can be achieved. Preferably, the front shell 11 is made of PBT-GF30 composite material, the front shell 11 and the back plate 12 are both processed by CNC process, a contact boss 123 is disposed on the upper surface of the back plate 12 opposite to the inertial measurement unit 23 and the signal processing unit 24, and a plurality of heat dissipation teeth 121 are disposed on the lower surface of the back plate 12. Based on the design, the front shell 11 is made of the PBT-GF30 composite material, the dielectric constant and the loss coefficient of the material well fit with the frequency range of millimeter waves, so that the radio frequency signal has minimum signal attenuation when passing through the front shell 11 of the composite material as far as possible, and experiments prove that when the marine millimeter wave radar device 100 is used, the energy intensity right in front of the shell 1 is smaller than 1dB relative to the attenuation value without the shell 1, and the attenuation value is smaller than 3dB within the range of plus or minus 60 degrees in the horizontal direction.
It can be appreciated that the millimeter wave radar device 100 for a ship may be further provided with a power supply unit, which may support standard POE power supply, and may select a chip with a model number of TPS2376H, or may supply power through a DC-DC voltage reduction chip, and the DC-DC voltage reduction chip may select a chip with a model number of TPS54560, where the two power supplies are simultaneously powered, and the DC direct current power supply has a higher priority than the active ethernet power supply.
In summary, the marine millimeter wave radar device can directly output four-dimensional point cloud information including the detection target distance, azimuth angle, pitch angle and Doppler speed, the water surface environment is obtained through combination of the multi-dimensional point cloud information, the influence of water clutter on the water surface can be effectively reduced, the perception reliability of the marine millimeter wave radar device is improved, the shell sealing performance is good, the marine millimeter wave radar device is used in a complex environment with high salt and high humidity on the water surface, the overall perception performance of the marine millimeter wave radar device is not influenced, and the service life of the marine millimeter wave radar device can be guaranteed.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Various equivalent changes and modifications can be made by those skilled in the art based on the above embodiments, and all equivalent changes or modifications made within the scope of the claims shall fall within the scope of the present invention.
Claims (10)
1. The millimeter wave radar device for the ship is characterized in that: including the casing and lie in the electrical component in the casing, electrical component includes:
the on-board microstrip antenna comprises three transmitting antennas and four receiving antennas;
the radio frequency signal receiving and transmitting unit is connected with the three transmitting antennas and the four receiving antennas to externally transmit signals through the transmitting antennas, receives returned transmitting signals through the receiving antennas, carries out mixing processing on the received returned transmitting signals to obtain intermediate frequency analog signals, acquires the intermediate frequency analog signals to obtain original digital signals of radar echoes, and adopts a radar processing algorithm to process the original digital signals of the radar echoes to obtain initial radar four-dimensional point cloud;
the inertial measurement unit is used for detecting triaxial acceleration and triaxial angular velocity of the ship;
the signal processing unit is connected with the radio frequency signal receiving and transmitting unit and the inertia measuring unit, so that the initial radar four-dimensional point cloud is enhanced according to the triaxial acceleration and the triaxial angular velocity from the inertia measuring unit, and a final radar four-dimensional point cloud is obtained, wherein the final radar four-dimensional point cloud comprises the distance, the azimuth angle, the pitch angle and the Doppler velocity information of a target.
2. The millimeter wave radar device for a ship as defined in claim 1, wherein: the four receiving antennas are uniformly distributed in a linear array mode, the three transmitting antennas are uniformly arranged on the same horizontal direction at equal intervals, and two transmitting antennas in the three transmitting antennas are uniformly arranged in the vertical direction at equal heights.
3. The marine millimeter wave radar device according to claim 2, wherein: the distance between every two adjacent receiving antennas is 1.95mm, and the distance between every two adjacent transmitting antennas in the horizontal direction is 3.896mm.
4. The millimeter wave radar device for a ship as defined in claim 1, wherein: the electric assembly further comprises a communication conversion transmission unit, and the communication conversion transmission unit is connected with the signal processing unit.
5. The millimeter wave radar device for a ship as defined in claim 1, wherein: the radar processing algorithm comprises: performing first-dimension Fourier transform operation on original digital signals of radar echoes from the same chirp along a distance direction, performing second-dimension Fourier transform operation on original digital signals of radar echoes from different chirp along a Doppler direction to obtain a radar data cube, performing constant false alarm detection on the radar data cube to obtain cells containing effective targets, performing phase compensation on the cells containing the effective targets by utilizing data from four receiving antennas, and further obtaining an initial radar four-dimensional point cloud through third-dimension Fourier transform.
6. The millimeter wave radar device for a ship as defined in claim 1, wherein: the shell comprises a back plate and a front shell which is covered on the back plate and is enclosed with the back plate to form a containing space, the electric assembly is arranged in the containing space and further comprises a second circuit board and a first circuit board which is erected on the second circuit board, the radio frequency signal receiving and transmitting unit is arranged on the upper surface of the first circuit board, the on-board microstrip antenna is connected with the radio frequency signal receiving and transmitting unit on the first circuit board, the inertia measuring unit is arranged on the upper surface of the second circuit board, and the signal processing unit is arranged on the lower surface of the second circuit board.
7. The marine millimeter wave radar device according to claim 6, wherein: the shell is internally provided with a radiating plate which is arranged on the first circuit board and is close to the radio frequency signal receiving and transmitting unit, and a heat conduction silicon chip and heat conduction silicone grease are filled between the radio frequency signal receiving and transmitting unit and the radiating plate.
8. The marine millimeter wave radar device according to claim 7, wherein: one side of the radiating plate, which is far away from the radio frequency signal receiving and transmitting unit, is connected with a radiating rack, the bottom end of the radiating rack penetrates through the second circuit board and is positioned above the backboard, and a heat conducting silicon chip and heat conducting silicone grease are filled between the backboard and the bottom end of the radiating rack.
9. The marine millimeter wave radar device according to claim 6, wherein: the waterproof back plate comprises a back plate and is characterized in that a bulge which surrounds the edge of the back plate is arranged on the back plate, a groove matched with the bulge is correspondingly formed in the side wall of the front shell, and waterproof glue is filled between the front shell and the back plate.
10. The marine millimeter wave radar device according to claim 6, wherein: the front shell is made of PBT-GF30 composite material, the front shell and the back plate are processed by CNC technology, a contact boss is arranged on the upper surface of the back plate relative to the signal processing unit, and a plurality of heat dissipation teeth are arranged on the lower surface of the back plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311589334.2A CN117289260A (en) | 2023-11-27 | 2023-11-27 | Millimeter wave radar device for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311589334.2A CN117289260A (en) | 2023-11-27 | 2023-11-27 | Millimeter wave radar device for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117289260A true CN117289260A (en) | 2023-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311589334.2A Pending CN117289260A (en) | 2023-11-27 | 2023-11-27 | Millimeter wave radar device for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117289260A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462885A (en) * | 2017-08-11 | 2017-12-12 | 武汉雷毫科技有限公司 | Millimetre-wave radar sensing device and system |
| CN108761420A (en) * | 2018-06-20 | 2018-11-06 | 中电科（宁波）海洋电子研究院有限公司 | A kind of compensation method of the solid-state pathfinder target detection peculiar to vessel based on MEMS |
| CN212381512U (en) * | 2020-05-28 | 2021-01-19 | 深圳市商汤科技有限公司 | Shell and electronic equipment |
| CN115436935A (en) * | 2022-08-21 | 2022-12-06 | 唯识感知科技(成都)有限公司 | Vehicle-mounted Doppler radar detection system, array and method |
| CN116598799A (en) * | 2023-06-12 | 2023-08-15 | 江西联创电子有限公司 | Millimeter wave radar antenna array and millimeter wave radar |
| CN219574949U (en) * | 2023-02-06 | 2023-08-22 | 湖南华诺星空电子技术股份有限公司 | Intelligent traffic perception integrated device based on binocular depth fusion of thunder and sound |
-
2023
- 2023-11-27 CN CN202311589334.2A patent/CN117289260A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462885A (en) * | 2017-08-11 | 2017-12-12 | 武汉雷毫科技有限公司 | Millimetre-wave radar sensing device and system |
| CN108761420A (en) * | 2018-06-20 | 2018-11-06 | 中电科（宁波）海洋电子研究院有限公司 | A kind of compensation method of the solid-state pathfinder target detection peculiar to vessel based on MEMS |
| CN212381512U (en) * | 2020-05-28 | 2021-01-19 | 深圳市商汤科技有限公司 | Shell and electronic equipment |
| CN115436935A (en) * | 2022-08-21 | 2022-12-06 | 唯识感知科技(成都)有限公司 | Vehicle-mounted Doppler radar detection system, array and method |
| CN219574949U (en) * | 2023-02-06 | 2023-08-22 | 湖南华诺星空电子技术股份有限公司 | Intelligent traffic perception integrated device based on binocular depth fusion of thunder and sound |
| CN116598799A (en) * | 2023-06-12 | 2023-08-15 | 江西联创电子有限公司 | Millimeter wave radar antenna array and millimeter wave radar |
Non-Patent Citations (3)
| Title |
|---|
| 刘德全: "《空中目标ISAR实时成像技术研究》", 31 December 2014, 阳光出版社, pages: 75 - 76 * |
| 李源: "《逆合成孔径雷达理论与对抗》", vol. 1, 31 December 2013, 国防工业出版社, pages: 92 - 98 * |
| 黄岩等: "汽车毫米波雷达信号处理技术综述", 《雷达学报》, vol. 12, no. 5, pages 923 - 970 * |
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