CN113253258A - Method and device for detecting in-vehicle living body based on millimeter wave radar - Google Patents
Method and device for detecting in-vehicle living body based on millimeter wave radar Download PDFInfo
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- CN113253258A CN113253258A CN202110452125.8A CN202110452125A CN113253258A CN 113253258 A CN113253258 A CN 113253258A CN 202110452125 A CN202110452125 A CN 202110452125A CN 113253258 A CN113253258 A CN 113253258A
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- 238000004891 communication Methods 0.000 claims abstract description 29
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- 238000001228 spectrum Methods 0.000 claims abstract description 5
- 238000012544 monitoring process Methods 0.000 claims description 14
- 238000009529 body temperature measurement Methods 0.000 claims description 11
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- 206010028923 Neonatal asphyxia Diseases 0.000 abstract description 4
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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
- G01S13/886—Radar or analogous systems specially adapted for specific applications for alarm systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
- G01J5/0025—Living bodies
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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
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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Abstract
The invention provides a method and a device for detecting a living body in a vehicle based on a millimeter wave radar, which comprises the following steps: the sensing module on the millimeter wave radar is used for detecting objects in the car, IQ complex signals are adopted for mediation, false alarm and missing report are reduced to the greatest extent, and a sleeping baby is quickly identified; tracking the object according to the detection information of the object to be detected, effectively filtering out clutter such as mechanical vibration and the like, and effectively distinguishing living bodies from non-living bodies; if the automobile body is a living body, the automobile body alarming assembly is controlled to alarm through a microcontroller module arranged on the millimeter wave radar, and remote alarming information is sent to a mobile phone of a driver through a 5G communication module. The invention judges whether a living body exists or not by detecting the micro displacement and the sign information, and confirms the specific position of the living body by utilizing DOA frequency spectrum estimation.
Description
Technical Field
The invention relates to the technical field of millimeter wave radars, in particular to a method and a device for detecting a living body in a vehicle based on a millimeter wave radar.
Background
Millimeter waves are used in the millimeter wave radar, and generally millimeter waves refer to a frequency domain (wavelength is 1-10 mm) of 30-300 GHz. 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 the centimeter wave seeker, the millimeter wave seeker has the characteristics of small volume, light weight and high spatial resolution. Compared with optical probes such as infrared, laser and television, the millimeter wave probe has strong capability of penetrating fog, smoke and dust and has the characteristics of all weather (except heavy rainy days) all day long. In addition, the anti-interference and anti-stealth capabilities of the millimeter wave seeker are also superior to those of other microwave seekers.
In the use process of the currently used automobile, due to the shielding of the seat and the long-time driving fatigue of the automobile owner, the automobile owner can neglect the sleeping infant at the rear seat of the automobile, and further, after the automobile owner closes the automobile door, unnecessary tragedies are caused due to the fact that the environment in the automobile body is sultry and insufficient oxygen.
Disclosure of Invention
The present invention is directed to a method for detecting a living body in a vehicle based on a millimeter wave radar, which overcomes or at least partially solves the above-mentioned problems, and solves the problem of inconvenience in detecting a living body in a vehicle of the related art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides a method for detecting a living body in a vehicle based on a millimeter wave radar, which comprises the following steps:
the sensing module on the millimeter wave radar is used for detecting objects in the car, IQ complex signals are adopted for mediation, false alarm and missing report are reduced to the greatest extent, and a sleeping baby is quickly identified;
according to whether the object to be detected has living body characteristics or not, mechanical vibration clutter is filtered, and living bodies and non-living bodies are effectively distinguished;
if the living body exists, the alarm component is controlled to start and alarm through a microcontroller module arranged on the millimeter wave radar, and remote alarm information is sent to a mobile phone of a driver through a 5G communication module;
through the operation and rotation of the video monitoring module, a detected object in the vehicle is conveniently and quickly shot, the shape and the type of the object are determined, and a video is manufactured and sent to a mobile phone of a driver remotely;
the infrared temperature measurement module is used for carrying out remote temperature measurement on the object, so that the temperature signal of the detected object is rapidly determined, and the signal is remotely sent to a mobile phone of a driver.
An apparatus for detecting a living body in a vehicle based on a millimeter wave radar, the millimeter wave radar comprising,
the sensing module is used for detecting an object to judge whether a living body exists and determine the position of the living body;
the analysis module is used for carrying out frequency mixing processing on the detected detection signal and a signal sent by the millimeter wave radar;
and the control module is used for receiving the result information and giving an alarm.
As a further scheme of the present invention, the frequency mixing processing is performed on the detection signal and a signal sent by the millimeter wave radar, and an IQ complex signal is formed;
acquiring an optimal detection interval of an IQ phase in real time according to the characteristics of an IQ behavior difference of 90 degrees by adopting an IQ complex signal algorithm;
carrying out micro-displacement and respiration information detection on the IQ complex signal, and judging whether a living body exists or not;
the specific position of the living body is detected by using the DOA spectrum for the IQ complex signal.
As a further scheme of the present invention, the millimeter wave radar further comprises a microcontroller module, an antenna module, a storage module and a mode selection module;
the antenna module is used for transmitting electromagnetic waves and receiving reflected beams of a detection object;
the storage module is used for storing system data and processing data of the microcontroller module;
the microcontroller module is used for processing the detection information, judging whether a living body exists in the vehicle or not and controlling and alarming;
and the mode selection module is used for controlling the arrangement of the array of the antenna module and the physical channel.
As a further scheme of the invention, the millimeter wave radar also comprises an antenna module which is an MIMO wide-angle antenna and is used for increasing the spatial detection resolution and accurately identifying the position of a living body.
As a further scheme of the present invention, the millimeter wave radar further includes a timing module, and the timing module is electrically connected to an output end of the microcontroller module, and is configured to send multiple alarm information at a predetermined frequency.
As a further scheme of the invention, the millimeter wave radar is integrated on the circuit board, the circuit board is arranged between the lower cover and the antenna housing, the lower surface of the circuit board is coated with heat-conducting silica gel, the bottom surface of the heat-conducting silica gel is in contact with the lower cover, the antenna housing is locked on the lower cover through three layers of screws, and the millimeter wave radar is respectively and electrically connected with the alarm assembly, the video monitoring module and the infrared temperature measurement module, so that the purpose of convenient disassembly and assembly is realized, the rapid heat dissipation is facilitated, the millimeter wave radar can be conveniently placed at different positions, and the detection range is expanded.
According to a further scheme of the invention, the alarm assembly comprises an audible and visual alarm and a flash alarm, the audible and visual alarm is electrically connected with the millimeter wave radar through a communication line, the flash alarm is positioned on the outer side of the automobile body, the power connection end of the flash alarm is electrically connected with power supply equipment in the automobile through a magnetic type charging wire, and the audible and visual alarm is convenient for waking up a sleeping infant in the automobile and further attracts surrounding people to rescue the infant.
As a further scheme of the present invention, the video monitoring module is a pan/tilt camera, and the top end of the pan/tilt camera has a magnetic attraction base, the pan/tilt camera is in wireless communication connection with a microcontroller module inside the millimeter wave radar through a wireless communication module, and the microcontroller module controls the operation of the pan/tilt camera, so that the pan/tilt camera can conveniently monitor and photograph the object to be measured, and the wireless communication module can conveniently adjust the placement position of the pan/tilt camera at will.
As a further scheme of the invention, the infrared temperature measuring module is an infrared temperature measuring instrument which is fixedly connected to the head part of the tripod head camera through a tightening piece, the infrared temperature measuring instrument and the head part of the tripod head camera synchronously run, the temperature measuring direction of the infrared thermometer is consistent with the monitoring direction of the tripod head camera, the infrared thermometer is in wireless communication connection with a microcontroller module in the millimeter wave radar through a wireless communication module, the infrared thermometer and the pan-tilt camera are electrically connected with a power supply in the automobile through magnetic type charging wires, the wireless communication module is a ZigBee wireless communication chip with the frequency of 2.4GHz, the purpose of wireless communication is realized, the operation of the pan-tilt camera drives the infrared thermometer to rotate, so that the temperature of the object to be detected can be conveniently detected by the infrared thermometer.
The invention provides a method for detecting a living body in a vehicle based on a millimeter wave radar, which has the beneficial effects that: whether a living body (CPD) exists or not is judged by detecting micro-displacement and sign information, the specific position of the living body is detected by utilizing DOA frequency spectrum estimation, false alarm and missing report are reduced to the maximum extent, an IQ complex signal is adopted for mediation, a sleeping baby is quickly identified, clutter such as mechanical vibration is effectively filtered, the living body and a non-living body are effectively distinguished, the MIMO wide-angle antenna is used for increasing the spatial detection resolution, the position of the living body is accurately identified, the shape and the temperature of the living body are convenient to detect through a cradle head camera and an infrared thermometer, and the detection accuracy is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced 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 based on the drawings without creative efforts.
FIG. 1 is a system architecture diagram of an embodiment of the present invention.
Fig. 2 is a block diagram of the operating principle of the millimeter-wave radar in the embodiment of the present invention.
Fig. 3 is a functional block diagram of an alarm component in an embodiment of the present invention.
FIG. 4 is a system flow diagram of an embodiment of the present invention.
Fig. 5 is a system flowchart of the video monitoring module and the infrared temperature measurement module according to the embodiment of the present invention.
Fig. 6 is an exploded view of an embodiment of the present invention.
Fig. 7 is a block diagram of the system start-up and function conversion in the embodiment of the present invention.
FIG. 8 is a diagram of the system startup and function transition conditions in an embodiment of the present invention.
Fig. 9 is a view showing the installation of the millimeter wave radar in the automobile according to the embodiment of the present invention.
In the figure: 1. a millimeter wave radar; 2. a sensing module; 3. an analysis module; 4. a control module; 5. an alarm component; 6. an infrared thermometer; 7. a pan-tilt camera; 8. a lower cover; 9. a circuit board; 10. an antenna cover; 11. heat conducting silica gel; 12. a mode selection module; 13. a storage module; 14. a timing module; 15. a microcontroller module; 16. an antenna module; 17. a video monitoring module; 18. an infrared temperature measurement module; 51. an audible and visual alarm; 52. a flashing alarm.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1-5 and fig. 7-9, a method for detecting a living body in a vehicle based on a millimeter wave radar according to an embodiment of the present invention includes the following steps:
the sensing module 2 on the millimeter wave radar 1 is used for detecting objects in the car, IQ complex signals are adopted for mediation, false alarm and missing report are reduced to the greatest extent, and a sleeping baby is quickly identified;
according to whether the object to be detected has living body characteristics or not, clutter such as mechanical vibration and the like are effectively filtered, and a living body and a non-living body are effectively distinguished;
if the living body exists, the alarm component 5 is controlled to start and alarm through a microcontroller module 15 arranged on the millimeter wave radar 1, and remote alarm information is sent to a driver through a 5G communication module;
through the operation and rotation of the video monitoring module 17, a detected object in the vehicle can be conveniently and quickly shot, the shape and the type of the object can be determined, and a video is manufactured and sent to a mobile phone of a driver remotely;
the infrared temperature measurement module 18 is used for remotely measuring the temperature of the object, so that the temperature signal of the detected object is quickly determined, and the signal is remotely sent to the mobile phone of the driver.
Mixing the detection signal with a signal sent by the millimeter wave radar 1 to form an IQ complex signal;
acquiring an optimal detection interval of an IQ phase in real time according to the characteristics of an IQ behavior difference of 90 degrees by adopting an IQ complex signal algorithm;
carrying out micro-displacement and respiration information detection on the IQ complex signal, and judging whether a living body exists or not;
the specific position of the living body is detected by using the DOA spectrum for the IQ complex signal.
CPD refers to in vivo detection;
SOD refers to occupancy detection.
As shown in fig. 1, an apparatus for detecting a living body in a vehicle based on a millimeter wave radar 1 includes a millimeter wave radar 1, the millimeter wave radar 1 including,
the sensing module 2 is used for detecting an object to judge whether a living body exists or not and the position of the living body;
the analysis module 3 is used for carrying out frequency mixing processing on the detected detection signal and a signal sent by the millimeter wave radar 1;
the control module 4 is used for receiving the result information and giving an alarm;
the millimeter wave radar 1 further comprises a microcontroller module 15, an antenna module 16, a storage module 13 and a mode selection module 12;
an antenna module 16 for emitting electromagnetic waves and receiving beams reflected by the detection object;
a storage module 13 for storing system data and processing data of the microcontroller module 15;
the microcontroller module 15 is used for processing the detection information, judging whether a living body exists in the vehicle or not and performing control alarm;
a mode selection module 12 for controlling the arrangement of the array of antenna modules 16 and the physical channels.
The millimeter wave radar 1 further comprises an antenna module 16, wherein the antenna module 16 is an MIMO wide-angle antenna and is used for increasing the spatial detection resolution and accurately identifying the position of a living body.
The millimeter wave radar 1 further comprises a timing module 14, wherein the timing module 14 is electrically connected with the output end of the antenna module 16 and is used for sending alarm information for multiple times at a specified frequency.
In the using process of the invention, the micro-controller module 15 controls the antenna radar to emit electromagnetic waves, and the object to be detected is detected through the electromagnetic waves, so that the physical sign information and the living body characteristic information of the object are detected, and the mode selection module 12 is convenient to selectively control the physical channels of 3-transmission and 4-reception of the antenna module 16 and the arrangement of the antenna array, so that the spatial detection resolution is improved by 3 times.
As shown in fig. 5, the millimeter wave radar 1 is integrally arranged on the circuit board 9, the circuit board 9 is arranged between the lower cover 8 and the antenna housing 10, the lower surface of the circuit board 9 is coated with the heat-conducting silica gel 11, the bottom surface of the heat-conducting silica gel 11 is in contact with the lower cover 8, the antenna housing 10 is locked and attached to the lower cover 8 through three layers of screws, and the millimeter wave radar 1 is electrically connected with the alarm component 5, the video monitoring module 17 and the infrared temperature measurement module 18 respectively.
In the use process of the millimeter wave radar antenna, the heat dissipation effect of the millimeter wave radar 1 is improved through the heat conducting silica gel 11, the antenna housing 10 is convenient to detach in a three-layer screw locking mode, the millimeter wave radar 1 is convenient to overhaul, the radar is convenient to mount on a vehicle body in a buckling mode, and the millimeter wave radar antenna is simple in structure and convenient to operate.
As shown in fig. 3, the alarm assembly 5 includes an audible and visual alarm 51 and a flash alarm 52, the audible and visual alarm 51 is electrically connected with the millimeter wave radar 1 through a communication line, the flash alarm 52 is located outside the vehicle body, and the electric connection end of the flash alarm 52 is electrically connected with the power supply device in the vehicle through a magnetic type charging wire.
In the using process of the infant sleeping car, the sound-light alarm 51 is operated to wake up a sleeping infant in the car body, the flashing alarm 52 is controlled to give an alarm through sound, surrounding people are attracted conveniently, and the magnetic type charging wire is used to assemble and disassemble the flashing alarm 52 conveniently.
As shown in fig. 6, the video monitoring module 17 is the pan/tilt camera 7, and the top end of the pan/tilt camera 7 has a magnetic attraction base, and the pan/tilt camera 7 is in wireless communication connection with the microcontroller module 15 inside the millimeter wave radar 1 through a wireless communication module.
Infrared temperature measurement module 18 is infrared thermometer 6, and infrared thermometer 6 is through lacing piece fixed connection on the head of cloud platform camera 7, infrared thermometer 6 carries out synchronous operation with the head of cloud platform camera 7, and the temperature measurement direction of infrared thermometer 6 is unanimous with the control direction of cloud platform camera 7, infrared thermometer 6 carries out wireless communication through wireless communication module and the microcontroller module 15 of millimeter wave radar 1 inside and is connected, infrared thermometer 6 and cloud platform camera 7 all carry out the electricity through the formula charging wire of magnetism and are connected with the power supply in the car, wireless communication module is the zigBee wireless communication chip that the frequency is 2.4 GHz.
In the use process of the invention, the tripod head camera 7 is conveniently fixed at any position of the lower cover 8, the antenna cover 10 or the inside of the vehicle body through the magnetic suction base, and power is supplied through the magnetic suction type charging wire, so that the tripod head camera 7 and the radar are combined and arranged together, the tripod head camera 7 and the radar are conveniently separated, the installation mode is enlarged, the placement range is enlarged, the infrared thermometer 6 is conveniently and synchronously driven to rotate through the operation of the tripod head camera 7, the object to be detected is conveniently subjected to camera monitoring through the tripod head camera 7, the temperature of the object to be detected is conveniently checked through the infrared thermometer 6, the accuracy of the object to be detected is further improved, the aims of wireless communication and control are realized through the wireless communication module, and the disassembly, assembly and adjustment are convenient.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A method for detecting a living body in a vehicle based on a millimeter wave radar is characterized by comprising the following steps:
detecting an object in the vehicle through a sensing module (2) on a millimeter wave radar (1), and mediating by adopting an IQ complex signal;
according to whether the object to be detected has living body characteristics or not, mechanical vibration clutter is filtered, and a living body and a non-living body are distinguished;
if the living body exists, the warning component (5) is controlled to give a warning through a microcontroller module (15) arranged on the millimeter wave radar (1), and remote warning information is sent to a mobile phone of a driver through a 5G communication module;
through the operation and rotation of the video monitoring module (17), a detected object in the vehicle is shot, the shape and the type of the object are determined, and a video is made and sent to a mobile phone of a driver remotely;
the infrared temperature measurement module (18) is used for carrying out remote temperature measurement on the object, so that the temperature signal of the detected object is quickly determined, and the signal is remotely sent to the mobile phone of the driver.
2. The method for detecting the living body in the vehicle based on the millimeter wave radar as claimed in claim 1, wherein the detection signal is mixed with a signal emitted by the millimeter wave radar (1) to form an IQ complex signal;
acquiring an optimal detection interval of an IQ phase in real time according to the characteristics of an IQ behavior difference of 90 degrees by adopting an IQ complex signal algorithm;
carrying out micro-displacement and respiration information detection on the IQ complex signal, and judging whether a living body exists or not;
the specific position of the living body is detected by using the DOA spectrum for the IQ complex signal.
3. An apparatus for detecting a living body in a vehicle based on a millimeter wave radar according to claims 1 to 2, wherein the millimeter wave radar comprises,
the sensing module (2) is used for detecting an object to judge whether a living body exists and determine the position of the living body;
the analysis module (3) is used for carrying out frequency mixing processing on the detected detection signal and a signal sent by the millimeter wave radar (1);
and the control module (4) is used for receiving the result information and giving an alarm.
4. The device for detecting the living body in the vehicle based on the millimeter wave radar is characterized in that the millimeter wave radar (1) further comprises a microcontroller module (15), an antenna module (16), a storage module (13) and a mode selection module (12);
the antenna module (16) is used for transmitting electromagnetic waves and receiving reflected beams of a detection object;
the storage module (13) is used for storing system data and processing data of the microcontroller module (15);
the microcontroller module (15) is used for processing the detection information, judging whether a living body exists in the vehicle or not and controlling and alarming;
the mode selection module (12) is used for controlling the arrangement of the array of the antenna module (16) and the physical channel.
5. The device for detecting the living body in the vehicle based on the millimeter wave radar as claimed in claim 3, wherein the millimeter wave radar (1) further comprises an antenna module (16), and the antenna module (16) is a MIMO wide-angle antenna.
6. The device for detecting the living body in the vehicle based on the millimeter wave radar as claimed in claim 3, wherein the millimeter wave radar (1) further comprises a timing module (14), and the timing module (14) is electrically connected with the output end of the microcontroller module (15).
7. The device for detecting the in-vehicle living body based on the millimeter wave radar as claimed in claim 6, wherein the millimeter wave radar (1) is integrally arranged on the circuit board (9), the circuit board (9) is arranged between the lower cover (8) and the antenna housing (10), the lower surface of the circuit board (9) is coated with the heat-conducting silica gel (11), the bottom surface of the heat-conducting silica gel (11) is in contact with the lower cover (8), the antenna housing (10) is locked on the lower cover (8) through three layers of screws, and the millimeter wave radar (1) is electrically connected with the alarm component (5), the video monitoring module (17) and the infrared temperature measuring module (18) respectively.
8. The device for detecting the living body in the vehicle based on the millimeter wave radar as claimed in claim 7, wherein the alarm component (5) comprises an audible and visual alarm (51) and a flashing alarm (52), the audible and visual alarm (51) is electrically connected with the millimeter wave radar (1) through a communication line, the flashing alarm (52) is positioned outside the vehicle body, the flashing alarm (52) is the flashing alarm (52), and the electric connection end of the flashing alarm (52) is electrically connected with the power supply equipment in the vehicle through a magnetic type charging wire.
9. The device for detecting the living body in the vehicle based on the millimeter wave radar is characterized in that the video monitoring module (17) is a pan-tilt camera (7), the top end of the pan-tilt camera (7) is provided with a magnetic attraction base, and the pan-tilt camera (7) is in wireless communication connection with a microcontroller module (15) in the millimeter wave radar (1) through a wireless communication module.
10. The apparatus for detecting the living body in the vehicle based on the millimeter wave radar according to claim 7, it is characterized in that the infrared temperature measuring module (18) is an infrared temperature measuring instrument (6), and the infrared thermometer (6) is fixedly connected on the head part of the pan-tilt camera (7) through a tightening piece, the infrared thermometer (6) and the head of the tripod head camera (7) run synchronously, and the temperature measuring direction of the infrared thermometer (6) is consistent with the monitoring direction of the tripod head camera (7), the infrared thermometer (6) is in wireless communication connection with a microcontroller module (15) in the millimeter wave radar (1) through a wireless communication module, the infrared thermometer (6) and the tripod head camera (7) are electrically connected with a power supply in the automobile through magnetic type charging wires, the wireless communication module is a ZigBee wireless communication chip with the frequency of 2.4 GHz.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452125.8A CN113253258A (en) | 2021-04-26 | 2021-04-26 | Method and device for detecting in-vehicle living body based on millimeter wave radar |
| DE212022000038.2U DE212022000038U1 (en) | 2021-04-26 | 2022-04-18 | Apparatus for detecting a living object in a vehicle using a millimeter-wave radar |
| PCT/CN2022/087284 WO2022228165A1 (en) | 2021-04-26 | 2022-04-18 | Method and apparatus for detecting living body in vehicle on basis of millimeter-wave radar |
| DE112022000010.4T DE112022000010T5 (en) | 2021-04-26 | 2022-04-18 | Method and apparatus for detecting a living object in a vehicle using a millimeter wave radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452125.8A CN113253258A (en) | 2021-04-26 | 2021-04-26 | Method and device for detecting in-vehicle living body based on millimeter wave radar |
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| Publication Number | Publication Date |
|---|---|
| CN113253258A true CN113253258A (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110452125.8A Withdrawn CN113253258A (en) | 2021-04-26 | 2021-04-26 | Method and device for detecting in-vehicle living body based on millimeter wave radar |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113253258A (en) |
| WO (1) | WO2022228165A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114194107A (en) * | 2021-11-10 | 2022-03-18 | 江西钒业科技有限公司 | Early warning system for recognizing child mistakenly locking car |
| CN114527463A (en) * | 2022-04-24 | 2022-05-24 | 南京楚航科技有限公司 | In-vehicle living body detection method and device by utilizing phase matching |
| CN115240438A (en) * | 2022-06-14 | 2022-10-25 | 常州工学院 | Detection system for judging whether children leave over in car |
| WO2022228165A1 (en) * | 2021-04-26 | 2022-11-03 | 南京楚航科技有限公司 | Method and apparatus for detecting living body in vehicle on basis of millimeter-wave radar |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106456062B (en) * | 2014-03-21 | 2019-12-24 | Iee国际电子工程股份公司 | Method and system for detection of unattended children |
| US9847004B1 (en) * | 2016-09-02 | 2017-12-19 | Atieva, Inc. | Vehicle child detection and response system |
| LU93233B1 (en) * | 2016-09-23 | 2018-04-05 | Iee Sa | Car Interior Surveillance System with e-Call Functionality |
| CN109375215A (en) * | 2018-10-09 | 2019-02-22 | 深圳卓影科技有限公司 | Interior life entity detection method, device, computer equipment and storage medium |
| CN109532741B (en) * | 2018-11-23 | 2021-03-23 | 中科传启（苏州）科技有限公司 | In-vehicle life body reminding method and device and automobile data recorder |
| CN110058225A (en) * | 2019-04-09 | 2019-07-26 | 惠州市德赛西威智能交通技术研究院有限公司 | A kind of interior life entity detection system and method based on millimetre-wave radar |
| KR102692323B1 (en) * | 2019-05-10 | 2024-08-08 | 현대자동차주식회사 | Vehicle and method for management to protect life thereof |
| CN111746451B (en) * | 2020-06-28 | 2021-12-14 | 中国第一汽车股份有限公司 | Detection method, device, detection system, vehicle and medium |
| CN111856593A (en) * | 2020-08-20 | 2020-10-30 | 江西商思伏沌科技有限公司 | In-vehicle living body loss monitoring device and method |
| CN112277797B (en) * | 2020-10-23 | 2022-10-21 | 合创汽车科技有限公司 | Life detection alarm method, device, equipment and medium in automobile |
| CN113253258A (en) * | 2021-04-26 | 2021-08-13 | 南京楚航科技有限公司 | Method and device for detecting in-vehicle living body based on millimeter wave radar |
-
2021
- 2021-04-26 CN CN202110452125.8A patent/CN113253258A/en not_active Withdrawn
-
2022
- 2022-04-18 WO PCT/CN2022/087284 patent/WO2022228165A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228165A1 (en) * | 2021-04-26 | 2022-11-03 | 南京楚航科技有限公司 | Method and apparatus for detecting living body in vehicle on basis of millimeter-wave radar |
| CN114194107A (en) * | 2021-11-10 | 2022-03-18 | 江西钒业科技有限公司 | Early warning system for recognizing child mistakenly locking car |
| CN114527463A (en) * | 2022-04-24 | 2022-05-24 | 南京楚航科技有限公司 | In-vehicle living body detection method and device by utilizing phase matching |
| CN114527463B (en) * | 2022-04-24 | 2022-08-12 | 南京楚航科技有限公司 | In-vehicle living body detection method and device by utilizing phase matching |
| CN115240438A (en) * | 2022-06-14 | 2022-10-25 | 常州工学院 | Detection system for judging whether children leave over in car |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022228165A1 (en) | 2022-11-03 |
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Application publication date: 20210813 |