CN112230217B - Micro photoelectric integrated radar sensor for intelligent automobile - Google Patents
Micro photoelectric integrated radar sensor for intelligent automobile Download PDFInfo
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- CN112230217B CN112230217B CN202010946965.5A CN202010946965A CN112230217B CN 112230217 B CN112230217 B CN 112230217B CN 202010946965 A CN202010946965 A CN 202010946965A CN 112230217 B CN112230217 B CN 112230217B
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- 238000012634 optical imaging Methods 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 22
- 230000006870 function Effects 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000013473 artificial intelligence Methods 0.000 claims description 5
- 238000013135 deep learning Methods 0.000 claims description 4
- 238000010801 machine learning Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000005670 electromagnetic radiation Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000005693 optoelectronics Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 206010063385 Intellectualisation Diseases 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 230000004927 fusion Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
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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
- 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
- G01S13/867—Combination of radar systems with cameras
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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
- 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
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
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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 provides a miniature photoelectric integrated radar sensor for an intelligent automobile, which comprises the following components: periscope type photoelectric integrated radar housing, optical imaging coding chip circuit module, millimeter wave band radar chip circuit module, artificial intelligent operation chip circuit module, central control system chip circuit module, wireless Bluetooth communication transceiver circuit module, power supply and control interface circuit module. The intelligent radar sensor can realize two functions of optical imaging information acquisition processing and millimeter wave radar signal detection processing in one sensor, and realize the functions of AI intelligent warning function, control, signal wireless transmission and the like of fusion radar and optical vision monitoring, thereby remarkably improving the detection sensitivity and intellectualization of the intelligent automobile radar sensor, furthest reducing the false alarm rate of a warning system, being very convenient for sealing processing, and having the characteristics of small volume, light weight, low energy consumption, strong adaptability, convenient installation, high integration level and the like.
Description
Technical Field
The invention relates to the field of vehicle-mounted radar systems for intelligent automobiles, in particular to a miniature photoelectric integrated radar sensor for an intelligent automobile.
Background
With the development of the electronics industry of intelligent automobiles, advanced intelligent driving assistance systems bring more comfortable, convenient and safe driving experience to people, and become an indispensable configuration. Advanced driving assistance systems are generic terms for various systems that monitor a driver, a vehicle, and its driving environment using devices such as sensing, communication, decision, and execution mounted on the vehicle, and assist the driver in performing driving tasks or actively avoiding/mitigating collision hazards by means of images, lights, sounds, tactile cues/warnings, or controls, etc. Aiming at the intelligent automobile driving environment, a plurality of monitoring and alarming modes exist at present, for example, a single mode monitoring mode has certain defects through a microwave radar, video monitoring, ultrasonic monitoring and the like, so that the obtained information is incomplete, and the intelligent detection and alarming function cannot be realized; meanwhile, a plurality of detection sensors are introduced in a plurality of detection alarm modes, and higher requirements are put forward on low cost, installation complexity and the like of the intelligent automobile monitoring system.
Disclosure of Invention
The invention aims to solve the technical problem of providing a miniature photoelectric integrated radar sensor for an intelligent automobile, which integrates functions of radar, AI intelligent warning of optical vision monitoring and the like, and has the characteristics of small volume, light weight, low energy consumption, strong adaptability, convenience in installation, high integration level and the like.
The technical scheme for solving the technical problems is as follows: a miniature electro-optical integrated radar sensor for a smart car, comprising: the photoelectric integrated radar comprises a periscope type photoelectric integrated radar housing, an optical imaging coding chip circuit module, a millimeter wave band radar chip circuit module, an artificial intelligent operation chip circuit module, a central control system chip circuit module, a wireless Bluetooth communication transceiver circuit module and a power supply and control end interface circuit module;
The port 1 and the port 2 of the periscope type photoelectric integrated radar housing are respectively and simultaneously connected with the port 1 of the optical imaging coding chip circuit module and the port 1 of the millimeter wave band radar chip circuit module, the port 2 of the optical imaging coding chip circuit module and the port 2 of the millimeter wave band radar chip circuit module are respectively connected with the port 1 and the port 2 of the artificial intelligent operation chip circuit module, the port 3 of the artificial intelligent operation chip circuit module is connected with the port 1 of the central control system chip circuit module, and the port 2 and the port 3 of the central control system chip circuit module are respectively connected with the wireless Bluetooth communication transceiver circuit module and the power supply and control interface circuit module.
The beneficial effects of the invention are as follows: after the vehicle-mounted millimeter wave radar detection technology and the visual optical imaging monitoring technology are integrated, the detection sensitivity and the intellectualization of the intelligent automobile sensor are obviously improved, the false alarm rate of a warning system is reduced to the maximum extent, and the vehicle-mounted millimeter wave radar detection technology and the visual optical imaging monitoring technology can be very conveniently sealed, and have the characteristics of small volume, light weight, low energy consumption, strong adaptability, convenience in installation, high integration level and the like.
Further, the periscope type photoelectric integrated radar outer cover is composed of a right-angle prism and is used for simultaneously transmitting electromagnetic radiation signals and optical imaging signals, and the two signal transmission paths are different and do not affect each other.
The beneficial effects of the above-mentioned further scheme are: the right-angle prism is adopted to realize photoelectric integrated signal transmission, and has the characteristics of small volume, light weight and low cost.
Further, the port 1 of the optical imaging coding chip circuit module acquires the video image signal of the suspicious target, and after image information identification and information coding compression, the image information is output by the port 2, and meanwhile, the port 2 can receive relevant control information.
The beneficial effects of the above-mentioned further scheme are: the optical imaging coding chip circuit module can adopt a high-resolution optical imaging chip and an image algorithm chip circuit, so that the speed of identification and operation of image information is remarkably improved, and the optical imaging coding chip circuit module has the advantages of information transmission and controllability.
Further, the port 1 of the millimeter wave band radar chip circuit module transmits or receives millimeter wave electromagnetic signals, and after internal signal processing, detection information such as amplitude, phase, frequency shift and the like of the radar signals is output by the port 2, and meanwhile, the port 2 can receive relevant control information.
The beneficial effects of the above-mentioned further scheme are: the millimeter wave band radar chip integrates a transmitting antenna and a radio frequency receiving and transmitting unit, and has the characteristics of small volume, low cost and high consistency compared with the traditional PCB antenna and circuit.
Further, the port 1 and the port 2 of the artificial intelligence operation chip circuit module are used for transmitting or receiving image information of the optical imaging coding chip circuit module, detection information of the millimeter wave band radar chip circuit module and the like; information such as the motion state of the detection target is comprehensively judged and processed through AI intelligent operation, and the information is output through a port 3; meanwhile, the artificial intelligence operation chip circuit module also has the functions of machine learning and deep learning.
The beneficial effects of the above-mentioned further scheme are: the artificial intelligent operation chip circuit module improves the intelligent characteristic of the miniature photoelectric integrated radar sensor, obviously reduces signal false alarm, improves detection accuracy, has the functions of machine learning and deep learning, and provides a way for the deep development of the sensor module.
Further, after judging and processing the detection signals, the car body signals and the like, the central control system chip circuit module sends the generated judgment signals to the wireless Bluetooth communication transceiver circuit module and the power supply and control interface circuit module to realize the photoelectric integrated real-time monitoring of the intelligent car.
The beneficial effects of the above-mentioned further scheme are: the central control system chip circuit module improves the control and judgment efficiency of the system.
Further, the wireless Bluetooth communication transceiver circuit module and the control end interface circuit module are connected to receive Bluetooth wireless transmission information or in-vehicle wired transmission information, and can realize control, judgment, alarm display and the like of vehicle information, radar sub-control and terminal information.
The beneficial effects of the above-mentioned further scheme are: the wireless Bluetooth communication transceiver circuit module and the control interface circuit module enhance the universality of the system, so that the communication and control modes are more convenient.
Further, the wireless bluetooth communication transceiver circuit module can be adjusted to wifi or other RFID wireless communication modes, and is not limited to bluetooth technology.
The beneficial effects of the above-mentioned further scheme are: the communication mode is more diversified, humanized and intelligent.
Drawings
FIG. 1 is a system schematic block diagram of the present invention;
FIG. 2 is a schematic diagram showing the system structure of the micro photoelectric integrated radar sensor of the present invention;
Detailed Description
Exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It is to be understood that the embodiments shown and described in the drawings are merely illustrative of the principles and spirit of the invention and are not intended to limit the scope of the invention.
The embodiment of the invention provides a miniature photoelectric integrated radar sensor for an intelligent automobile, which is shown in fig. 1 and comprises the following components: the photoelectric integrated radar comprises a periscope type photoelectric integrated radar housing, an optical imaging coding chip circuit module, a millimeter wave band radar chip circuit module, an artificial intelligent operation chip circuit module, a central control system chip circuit module, a wireless Bluetooth communication transceiver circuit module and a power supply and control end interface circuit module;
As shown in fig. 1, a port 1 and a port 2 of the periscope type photoelectric integrated radar housing are respectively and simultaneously connected with a port 1 of an optical imaging coding chip circuit module and a port 1 of a millimeter wave band radar chip circuit module, a port 2 of the optical imaging coding chip circuit module and a port 2 of the millimeter wave band radar chip circuit module are respectively connected with a port 1 and a port 2 of an artificial intelligent operation chip circuit module, a port 3 of the artificial intelligent operation chip circuit module is connected with a port 1 of a central control system chip circuit module, and a port 2 and a port 3 of the central control system chip circuit module are respectively connected with a wireless bluetooth communication transceiver circuit module and a power supply and control interface circuit module.
The periscope type photoelectric integrated radar outer cover is composed of right-angle prisms, as shown in fig. 2, and is used for simultaneously transmitting electromagnetic radiation signals and optical imaging signals, and the two signal transmission paths are different and do not affect each other. The two right angle surfaces and the inclined surface of the right angle prism are an A surface, a B surface and a C surface respectively, wherein the A surface faces the detection direction of the sensor, the B surface faces the optical imaging coding chip circuit module, and the C surface and the millimeter wave band radar chip circuit module are installed at an angle of 45 degrees; after the optical imaging signal is incident to the prism through the A surface, the optical imaging signal is reflected to the B surface through the C surface and then received by the optical imaging coding chip circuit module outside the B surface; meanwhile, millimeter wave electromagnetic signals of the millimeter wave band radar chip circuit module directly pass through the A surface and the C surface to complete the receiving and transmitting functions.
As shown in fig. 1, a port 1 of the optical imaging coding chip circuit module acquires video image signals of suspicious targets, and after image information identification and information coding compression, the image information is output by a port 2, and meanwhile, the port 2 can receive relevant control information.
As shown in fig. 1, a port 1 of the millimeter wave band radar chip circuit module transmits or receives a millimeter wave electromagnetic signal, and after internal signal processing, detection information such as amplitude, phase, frequency shift, etc. of the radar signal is output by a port 2, while the port 2 can receive relevant control information.
As shown in fig. 1, the port 1 and the port 2 of the artificial intelligence operation chip circuit module are used for transmitting or receiving image information of the optical imaging coding chip circuit module, detection information of the millimeter wave band radar chip circuit module and the like; information such as the motion state of the detection target is comprehensively judged and processed through AI intelligent operation, and the information is output through a port 3; meanwhile, the artificial intelligence operation chip circuit module also has the functions of machine learning and deep learning.
As shown in fig. 1, after the central control system chip circuit module performs judgment processing on the detection signal, the vehicle body signal and the like, the generated judgment signal is sent to the wireless bluetooth communication transceiver circuit module and the power supply and control interface circuit module to realize the real-time monitoring of the photoelectric integration of the intelligent vehicle.
As shown in fig. 1, the wireless bluetooth communication transceiver circuit module and the control end interface circuit module are connected to receive bluetooth wireless transmission information or in-vehicle wired transmission information, so as to realize control, judgment, alarm display and the like of vehicle information, radar sub-control, terminal information.
The micro photoelectric integrated radar sensor for the intelligent automobile can be communicated with a mobile phone terminal with a Bluetooth communication function, can realize functions of real-time early warning and the like of the intelligent automobile through the mobile phone terminal, and can perform operations such as remote setting, online upgrading, alarm target output, visualization and the like on the micro photoelectric integrated radar sensor.
Those of ordinary skill in the art will recognize that the embodiments herein are intended to assist the reader in understanding the principles of the invention and should be understood that the scope of the invention is not limited to such specific statements and embodiments. Those of ordinary skill in the art can make various other specific modifications and combinations from the teachings of the present disclosure without departing from the spirit thereof, and such modifications and combinations remain within the scope of the present disclosure.
Claims (7)
1. A miniature optoelectronic integrated radar sensor for intelligent automobiles, comprising: the photoelectric integrated radar comprises a periscope type photoelectric integrated radar housing, an optical imaging coding chip circuit module, a millimeter wave band radar chip circuit module, an artificial intelligent operation chip circuit module, a central control system chip circuit module, a wireless Bluetooth communication transceiver circuit module and a power supply and control end interface circuit module;
the port 1 and the port 2 of the periscope type photoelectric integrated radar housing are respectively and simultaneously connected with the port 1 of the optical imaging coding chip circuit module and the port 1 of the millimeter wave band radar chip circuit module, the port 2 of the optical imaging coding chip circuit module and the port 2 of the millimeter wave band radar chip circuit module are respectively connected with the port 1 and the port 2 of the artificial intelligent operation chip circuit module, the port 3 of the artificial intelligent operation chip circuit module is connected with the port 1 of the central control system chip circuit module, and the port 2 and the port 3 of the central control system chip circuit module are respectively connected with the wireless Bluetooth communication transceiver circuit module and the power supply and control interface circuit module;
the periscope type photoelectric integrated radar outer cover is composed of a right-angle prism and is used for simultaneously transmitting electromagnetic radiation signals and optical imaging signals, and the two signal transmission paths are different and do not affect each other; the two right angle surfaces and the inclined surface of the right angle prism are an A surface, a B surface and a C surface respectively, wherein the A surface faces the detection direction of the sensor, the B surface faces the optical imaging coding chip circuit module, and the C surface and the millimeter wave band radar chip circuit module are installed at an angle of 45 degrees; after the optical imaging signal is incident to the prism through the A surface, the optical imaging signal is reflected to the B surface through the C surface and then received by the optical imaging coding chip circuit module outside the B surface; meanwhile, millimeter wave electromagnetic signals of the millimeter wave band radar chip circuit module directly pass through the A surface and the C surface to complete the receiving and transmitting functions.
2. The miniature photoelectric integrated radar sensor for intelligent automobiles according to claim 1, wherein the port 1 of the optical imaging coding chip circuit module is used for collecting video image signals of suspicious targets, and after image information identification and information coding compression, the image information is output by the port 2, and meanwhile, the port 2 can receive relevant control information.
3. The miniature photoelectric integrated radar sensor for intelligent automobiles according to claim 1, wherein the port 1 of the millimeter wave band radar chip circuit module transmits or receives millimeter wave electromagnetic signals, and after internal signal processing, detection information such as amplitude, phase, frequency shift and the like of radar signals is output by the port 2, and the port 2 can receive relevant control information.
4. The miniature photoelectric integrated radar sensor for intelligent automobiles according to claim 1, wherein the port 1 and the port 2 of the artificial intelligent operation chip circuit module are used for transmitting or receiving image information of the optical imaging coding chip circuit module, detection information of the millimeter wave band radar chip circuit module and the like; information such as the motion state of the detection target is comprehensively judged and processed through AI intelligent operation, and the information is output through a port 3; meanwhile, the artificial intelligence operation chip circuit module also has the functions of machine learning and deep learning.
5. The miniature photoelectric integrated radar sensor for the intelligent automobile according to claim 1, wherein after the central control system chip circuit module judges and processes detection signals, automobile body signals and the like, the generated judgment signals are sent into the wireless Bluetooth communication transceiver circuit module and the power supply and control interface circuit module to realize the photoelectric integrated real-time monitoring of the intelligent automobile.
6. The miniature photoelectric integrated radar sensor for the intelligent automobile according to claim 1, wherein the wireless Bluetooth communication transceiver circuit module and the control end interface circuit module are connected to receive Bluetooth wireless transmission information or in-automobile wired transmission information, and can realize control, judgment, alarm display and the like of vehicle information, radar sub-control, terminal information.
7. The miniature integrated photoelectric radar sensor for intelligent automobiles according to claim 1, wherein the wireless bluetooth communication transceiver circuit module can be adjusted to wifi or other RFID wireless communication modes, not limited to bluetooth technology.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010946965.5A CN112230217B (en) | 2020-09-10 | 2020-09-10 | Micro photoelectric integrated radar sensor for intelligent automobile |
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| CN202010946965.5A CN112230217B (en) | 2020-09-10 | 2020-09-10 | Micro photoelectric integrated radar sensor for intelligent automobile |
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| CN112230217B true CN112230217B (en) | 2024-06-25 |
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| CN205940608U (en) * | 2016-04-29 | 2017-02-08 | 沈阳承泰科技有限公司 | Multi -sensor fusion's car radar system |
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| IT1399129B1 (en) * | 2010-04-01 | 2013-04-05 | Paoletti | MODULAR ADAPTIVE SURVEILLANCE SYSTEM FOR MEANS PERSONAL STRUCTURES |
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