CN114715070A - Method and device for monitoring people staying in vehicle - Google Patents
Method and device for monitoring people staying in vehicle Download PDFInfo
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- CN114715070A CN114715070A CN202111393041.8A CN202111393041A CN114715070A CN 114715070 A CN114715070 A CN 114715070A CN 202111393041 A CN202111393041 A CN 202111393041A CN 114715070 A CN114715070 A CN 114715070A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/0153—Passenger detection systems using field detection presence sensors
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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
- G08B21/18—Status alarms
- G08B21/22—Status alarms responsive to presence or absence of persons
Abstract
The invention discloses a method for monitoring people staying in a vehicle, which is realized based on a monitoring system, wherein the monitoring system comprises a detection terminal and an alarm terminal, the detection terminal is in communication connection with the alarm terminal, and the method comprises the following steps: when a vehicle flameout signal is received, scanning the interior of the vehicle through the detection terminal to obtain scanning data; the detection terminal analyzes and processes the scanning data and confirms whether a living target exists in the vehicle or not; if yes, the distance between the detection terminal and the alarm terminal is obtained, whether the distance is larger than a preset distance or not is judged, and if yes, the alarm terminal is triggered to send an alarm. The condition that a living body target is left over in the vehicle can be accurately known at the first time, and therefore the occurrence of life accidents caused by long-time forgetting can be timely reminded and avoided.
Description
Technical Field
The invention relates to the technical field of automobile safety detection, in particular to a method and a device for monitoring people staying in an automobile.
Background
With the rapid development of social economy development and scientific and technological progress, various transportation vehicles are developed, people can go out more and more conveniently, but in real life, many people can buy things or do things because of getting off temporarily, so that news of children or pets in the vehicles is omitted, and children are seriously sunstroke or suffocated. The heat stroke is the most serious and even possible, and the fatality rate of the serious heat stroke is about more than 80%. In summer, the vehicle is a big oven under the irradiation of sunlight, when the temperature is about 35 ℃, the vehicle is insolated for 15 minutes, the temperature in the cabin can reach 65 ℃, in such an environment, an adult can be fatal when staying for half an hour, and the respiratory system and the heat resistance are far lower than those of children of the adult, so that the adult is more prone to suffering from heatstroke. If the child is parked in a relatively closed space, the space in the vehicle is narrow, the door and the window are sealed well, air circulation is not smooth, oxygen deficiency can be caused when the child is parked in the vehicle for a long time, the child locked in the vehicle can cry and scream due to anxiety, oxygen deficiency is further aggravated, and coma and even death due to asphyxia can occur in serious cases. Although the existing method for detecting the detained children by using the ToF sensor is available, the method has the defects of large limitation, high false alarm rate, poor reliability and the like in the external environment such as high-intensity illumination, and cannot accurately reflect the conditions of passengers in the automobile to remind the passengers in time.
Disclosure of Invention
In view of the above, the present invention provides a method and a device for monitoring people staying in a vehicle, which can effectively solve the above problems.
In order to achieve the purpose, the invention provides a method for monitoring people staying in a vehicle, which is realized based on a monitoring system, wherein the monitoring system comprises a detection terminal and an alarm terminal, the detection terminal is in communication connection with the alarm terminal, and the method comprises the following steps:
when a vehicle flameout signal is received, scanning the interior of the vehicle through the detection terminal to obtain scanning data;
the detection terminal analyzes and processes the scanning data and confirms whether a living target exists in the vehicle or not;
if yes, the distance between the detection terminal and the alarm terminal is obtained, whether the distance is larger than a preset distance or not is judged, and if yes, the alarm terminal is triggered to send an alarm.
Preferably, after the alarm terminal is triggered to issue an alarm, the method further includes:
and when the alarm terminal is confirmed not to respond within the preset time, the detection terminal triggers the lamps and/or the loudspeaker in the vehicle to give an alarm.
Preferably, the detection terminal comprises a millimeter wave radar sensor; the step of scanning the interior of the vehicle through the detection terminal to obtain scanning data comprises the following steps: and scanning the interior of the vehicle through the millimeter wave radar sensor to obtain scanning data of the reflected signal.
Preferably, the step of analyzing and processing the scan data to confirm whether or not there is a living target in the vehicle includes:
and analyzing and processing the reflected signals in the scanning data, and confirming the distance, the speed and the direction of the reflecting object to judge whether the living body target exists in the vehicle.
Preferably, the detection terminal is connected with a power supply through a cigarette lighter interface, and the detection terminal comprises a backup battery; when the vehicle flameout signal is received, the step of scanning the interior of the vehicle through the detection terminal comprises the following steps:
and when the voltage level of the cigarette lighter interface is low, judging that the vehicle is in a flameout state, and switching the power supply of the detection terminal to the standby battery so as to enable the detection terminal to scan the interior of the vehicle.
Preferably, when the vehicle flameout signal is received, the method further includes, before scanning the inside of the vehicle by the detection terminal to obtain scan data:
and when responding to the vehicle starting operation, initializing the monitoring system, and verifying and pairing the detection terminal and the alarm terminal to establish communication connection between the detection terminal and the alarm terminal.
In order to achieve the above object, the present invention further provides a device for monitoring people staying in a vehicle, wherein the device is implemented based on a monitoring system, the monitoring system includes a detection terminal and an alarm terminal, the detection terminal is in communication connection with the alarm terminal, and the device includes:
the scanning unit is used for scanning the interior of the vehicle through the detection terminal when receiving a vehicle flameout signal to obtain scanning data;
the processing unit is used for analyzing and processing the scanning data by the detection terminal and confirming whether a living body target exists in the vehicle or not;
and the first alarm unit is used for acquiring the distance between the detection terminal and the alarm terminal if the distance is greater than the preset distance, and triggering the alarm terminal to send an alarm if the distance is greater than the preset distance.
Preferably, the apparatus further comprises:
and the second alarm unit is used for triggering the lamps and/or the loudspeaker in the vehicle to give an alarm through the detection terminal when the alarm terminal is confirmed not to respond within the preset time.
Preferably, the apparatus further comprises:
and the pairing unit is used for initializing the monitoring system in response to the vehicle starting operation and verifying and pairing the detection terminal and the alarm terminal so as to establish communication connection between the detection terminal and the alarm terminal.
Preferably, the detection terminal is connected with a power supply through a cigarette lighter interface, and the detection terminal comprises a backup battery; the scanning unit is further configured to:
and when the voltage level of the cigarette lighter interface is low, judging that the vehicle is in a flameout state, and switching the power supply of the detection terminal to the standby battery so as to enable the detection terminal to scan the interior of the vehicle.
Has the advantages that:
above scheme, after the vehicle stalls and parks, scan and carry out analysis processes in the car through the detection terminal, when confirming that there is the live body target in the car, acquire the distance between detection terminal and the alarm terminal and judge whether be greater than preset distance, if so trigger alarm terminal and send out the police dispatch newspaper in order to inform the driver that there is the personnel of leaving over in the car to can accurately know the condition of leaving over the live body target in the car at the very first time, thereby in time remind, thereby avoid leading to life accident's emergence because of the time overlength forgets.
Above scheme, after triggering the alarm terminal sends out the police dispatch newspaper, when confirming in the preset time that the alarm terminal does not make the response, further trigger the mode that car light and/or loudspeaker in the vehicle sent out the police dispatch newspaper through detection terminal to for being left over the living body target that can't self-service processing in the vehicle provides more reliable safety guarantee treatment strategy, improve the security and the intellectuality that the vehicle used greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for monitoring people staying in a vehicle according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a monitoring system according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a mounting position of a millimeter wave radar sensor in a vehicle according to an embodiment of the present invention.
Fig. 4 is a flowchart illustrating a monitoring method according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a device for monitoring people staying in a vehicle according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The present invention will be described in detail with reference to the following examples.
Fig. 1 is a schematic flow chart of a method for monitoring people staying in a vehicle according to an embodiment of the present invention.
In this embodiment, the method is implemented based on a monitoring system. Further, as shown in fig. 2, the monitoring system includes a detection terminal and an alarm terminal, and the detection terminal is in communication connection with the alarm terminal. The detection terminal comprises a power supply module, a radar sensor module, a timer, a processor, an audible and visual alarm module and a wireless communication main module, wherein the power supply module, the radar sensor module, the timer, the audible and visual alarm module and the wireless communication main module are all connected with the processor; the alarm terminal comprises a battery module, a wireless communication slave module, a buzzer and a slave processor, wherein the battery module, the wireless communication slave module and the buzzer are all connected with the slave processor. The detection terminal and the alarm terminal are in communication connection after being paired through the wireless communication main module and the wireless communication auxiliary module; further, the wireless communication master module and the wireless communication slave module can be bluetooth modules or WiFi modules (including 2G, 3G, 4G, 5G). And the slave processor sends a signal to enable the buzzer to send out an alarm sound under the condition that the slave processor judges that the slave processor meets the corresponding condition, and the battery module has a rechargeable characteristic and is used for supplying power to the alarm terminal.
Further, the detection terminal is installed in the vehicle and used for detecting and correspondingly processing the interior of the vehicle after the vehicle is flamed out; and the alarm terminal is for can hand-carrying, also can design so that carry according to user's use custom to for example design the form of fastener with alarm terminal to can be detained with the car key together, carry alarm terminal in the lump when the driver stalls and pulls out the key, avoid losing in the car, lead to in time knowing the condition of leaving over the passenger in the car.
In another embodiment, the alarm in the alarm terminal is provided with a human body sensing device for detecting whether the alarm terminal is worn, such as a capacitive human body sensing device, and when the human body sensing device detects that the alarm terminal leaves the human body, the alarm is triggered to send an alarm to remind a driver of carrying the alarm terminal in time, so that the alarm terminal is prevented from being lost or lost.
Specifically, power module includes cigar lighter interface and reserve battery, and this testing terminal passes through cigar lighter interface connection power, and then the accessible cigar lighter interface connected power charges for reserve battery when the vehicle starts. When the cigarette lighter interface is turned off when the vehicle is flamed out, the power supply of the detection terminal is switched to the standby battery so as to supply power to other modules of the detection terminal, the detection terminal is ensured to work continuously, and meanwhile, the power supply module is switched between the cigarette lighter interface and the standby battery and can be further used for judging whether the vehicle is flamed out or not. And the timer is used to provide a timing clock signal to the processor. The processor is used for analyzing and processing the reflected signals obtained by scanning the interior of the vehicle based on the radar sensor module so as to judge whether the living body target is detained in the vehicle or not according to the output distance, speed and angle signals.
The radar sensor module is a millimeter wave radar sensor, continuously sends millimeter wave radar signals through installing the millimeter wave radar sensor in the vehicle, and receives echo signals reflected in a preset area in the vehicle. Specifically, the principle of the millimeter wave radar sensor is to use an electromagnetic energy pulse (in a radio wave spectrum) emission source to emit radio waves, the radio waves are reflected by a surface, received and processed by a receiver therein, captured and processed based on the reflected waves, and position data of a target is measured according to a time difference between the transmission and the reception, so as to determine the distance, the speed and the direction of the target object. Because the frequency band of millimeter wave radar is high, wavelength length, can detect weak action even breathe the heart rate (because the breathing of human body can cause the fine motion of thorax, abdominal cavity, the radar is through perception fine motion to survey respiratory frequency), consequently can accurate perception back row live body target exist or not. The application scenario of the embodiment may include various vehicle types, such as cars (five seats, seven seats, etc.), passenger cars, etc., which are not limited herein, and in addition, the installation position of the millimeter wave radar sensor in the vehicle may be specifically installed and set as required, for example, the millimeter wave radar sensor may be installed on each position of a car roof, a car center control, a car headrest, etc., which is not specifically limited herein. In the present embodiment, the preferred vehicle model is a sedan, which mounts the millimeter wave radar sensor on the first row headrest or the second row headrest in accordance with the mounting direction (including forward mounting and reverse mounting) of the child seat on the rear row, as shown in fig. 3. The millimeter wave radar has the characteristics of high accuracy, strong anti-interference capability, long detection distance, small influence of environmental factors and all-weather work, so that the millimeter wave radar sensor is selected.
In this embodiment, the method includes:
and S11, when the vehicle flameout signal is received, the detection terminal scans the interior of the vehicle to obtain scanning data.
When the vehicle flameout signal is received, the step of scanning the interior of the vehicle through the detection terminal comprises the following steps of:
and when the voltage level of the cigarette lighter interface is low, judging that the vehicle is in a flameout state, and switching the power supply of the detection terminal to the standby battery so as to enable the detection terminal to scan the interior of the vehicle.
The step of scanning the interior of the vehicle through the detection terminal to obtain scanning data comprises the following steps: and scanning the interior of the vehicle through the millimeter wave radar sensor to obtain scanning data of the reflected signal.
And S12, the detection terminal analyzes the scanning data and confirms whether the living target exists in the vehicle.
Wherein the step of analyzing and processing the scanning data and confirming whether a living body target exists in the vehicle comprises the following steps:
and analyzing and processing the reflected signals in the scanning data, and confirming the distance, the speed and the direction of the reflecting object to judge whether the living body target exists in the vehicle.
Particularly, when a person in the vehicle sleeps or sits still for rest, the breathing of the human body can cause the micromotion of the chest and the abdominal cavity, namely, the chest breathing can expand when breathing in, the chest can be sunken when breathing out to form the breathing state, the abdominal breathing can expand when breathing in, the abdominal cavity can be sunken when breathing out to form the breathing motion, and therefore the micromotion change of the breathing in the vehicle can be detected through the radar sensor to detect the existence of the living body target in the vehicle. And S13, if yes, obtaining the distance between the detection terminal and the alarm terminal, judging whether the distance is greater than a preset distance, and if yes, triggering the alarm terminal to send an alarm.
The method comprises the following steps of judging whether the distance is greater than a preset distance or not, and if yes, triggering the alarm terminal to send an alarm, wherein the steps of:
and triggering the alarm terminal to send out an alarm when the distance is judged to be greater than the preset distance and the duration time greater than the preset distance is greater than the first time. The preset distance and the first time can be set and adjusted as required, for example, the first time is set to be 5 minutes or 10 minutes, and the preset distance is set to be 100m or 200 m. When the driver leaves the vehicle, the effect of establishing certain fence between the driver and the in-vehicle living body target can be left over, and the reliability of the system is improved by judging the preset distance and the first time at the same time, so that false alarm is avoided, and the use effect is influenced.
In this embodiment, the distance between the detection terminal and the alarm terminal is obtained based on bluetooth RSSI to achieve ranging, and further, the wireless communication master module and the wireless communication slave module are low-power-consumption bluetooth modules, and transmit a signal containing designated information through the detection terminal, and then the alarm terminal receives the signal to achieve near field communication, thereby determining the distance between the detection terminal and the alarm terminal. In addition, because the Bluetooth is limited by the distance, the two Bluetooth can keep a communication state all the time in a certain range, and once the communication is interrupted, the driver can know that the distance between the driver and the vehicle is far, so that a critical threshold value is set, and when the distance between the driver and the vehicle exceeds the critical threshold value, an alarm in the alarm terminal is triggered to give an alarm. So as to prevent the condition that the passenger left in the vehicle can not be known in time when no signal exists.
Further, in another embodiment, the method further comprises:
and S14, when the alarm terminal is confirmed to not respond within the preset time, the detection terminal triggers the lamps and/or the loudspeaker in the vehicle to give an alarm. The preset time can be set according to needs, for example, the preset time is set to 10 minutes or 20 minutes. Whether the alarm sent by the driver end to the alarm terminal is sensed or not is judged within the preset time, so that the situation that the life health of a living body target left in a vehicle is threatened due to negligence of the driver is avoided, the alarm is sent through equipment in the vehicle, various rescue modes are achieved, and the safety is improved.
Still further, in another embodiment, the method further comprises:
and S10, when responding to the vehicle starting operation, initializing the monitoring system, and verifying and pairing the detection terminal and the alarm terminal to establish communication connection between the detection terminal and the alarm terminal. Through initializing, pairing monitored control system when the vehicle starts, be convenient for when the vehicle is flamed out, in time scan the car in, the accurate condition in order to remind in the car of obtaining, improves passenger's security.
In a specific implementation, as shown in fig. 4, the specific implementation process includes:
1) after the automobile is ignited, the whole system is powered on through a cigarette lighter interface of the power supply module, and system initialization is completed;
2) the wireless communication main module and the wireless communication slave module are subjected to verification pairing, and if the matching is successful, the step 3) is carried out;
3) judging whether the engine of the vehicle is flamed out or not by judging the voltage level of the interface of the cigarette lighter; if the level of the interface of the cigarette lighter is set to be low, the automobile is indicated to be flameout and stop moving, otherwise, the automobile is in a driving state;
4) when the vehicle is confirmed to be flameout, the power supply module is switched to a standby battery working mode;
5) starting a timer to start timing;
6) the radar sensor module starts to work;
7) judging whether a left passenger exists or not; if the driver is judged to have a person, further judging the distance between a wireless communication slave module in the alarm terminal carried by the driver and a wireless communication master module in a detection terminal arranged on the vehicle;
7.1) if the distance is smaller than the alarm threshold (for example, the preset distance is 100m), the alarm threshold range is considered not to be exceeded, no alarm is needed, for example, in a gas station scene, a driver leaves the vehicle for a short time to refuel or pay;
7.1.2 if the distance is larger than or equal to the alarm threshold (for example, the preset distance is 100m), triggering a buzzer on the alarm terminal to give an alarm to remind a driver that children are left in the vehicle;
if no person is judged, when the wireless communication master module and the wireless communication slave module exceed a certain distance alarm threshold (for example 100m), the system is automatically off-line, so that the electric quantity of the system is saved, the use frequency of the system is reduced, and the service life of the system is prolonged;
8) if the vehicle owner or the driver senses that the buzzer alarms and releases the response through the alarm releasing button of the alarm terminal, the process is ended; if the vehicle owner or the driver does not respond to the alarm of the buzzer, the timer triggers the set preset alarm time, if the alarm time is still not responded for 10min, the alarm can be further given through the outside, and at the moment, a signal can be sent to trigger the vehicle acousto-optic alarm module to give an acousto-optic alarm or trigger the vehicle lamp and/or the loudspeaker in the vehicle to give an alarm so as to remind passers-by to rescue.
Fig. 5 is a schematic structural diagram of a device for monitoring people staying in a vehicle according to an embodiment of the present invention.
In this embodiment, the apparatus is implemented based on a monitoring system, where the monitoring system includes a detection terminal and an alarm terminal, and the detection terminal is in communication with the alarm terminal.
The apparatus 50 comprises:
the scanning unit 51 is used for scanning the interior of the vehicle through the detection terminal when receiving a vehicle flameout signal to obtain scanning data;
the detection terminal comprises a millimeter wave radar sensor; the scanning unit 51 is further configured to:
and scanning the interior of the vehicle through the millimeter wave radar sensor to obtain scanning data of the reflected signal.
Further, the detection terminal is connected with a power supply through a cigarette lighter interface and comprises a standby battery; the scanning unit 51 is further configured to:
and when the voltage level of the cigarette lighter interface is low, judging that the vehicle is in a flameout state, and switching the power supply of the detection terminal to the standby battery so as to enable the detection terminal to scan the interior of the vehicle.
A processing unit 52, configured to analyze and process the scanning data by the detection terminal, and determine whether a living body target is present in the vehicle;
wherein the processing unit 52 is further configured to:
and analyzing and processing the reflected signals in the scanning data, and confirming the distance, the speed and the direction of the reflecting object to judge whether the living body target exists in the vehicle.
And the first alarm unit 53 is configured to, if yes, obtain a distance between the detection terminal and the alarm terminal, determine whether the distance is greater than a preset distance, and, if yes, trigger the alarm terminal to send an alarm.
Further, in another embodiment, the apparatus 50 further comprises:
and the second alarm unit is used for triggering the lamps and/or the loudspeaker in the vehicle to give an alarm through the detection terminal when the alarm terminal is confirmed not to respond within the preset time.
Still further, in another embodiment, the apparatus 50 further comprises:
and the pairing unit is used for initializing the monitoring system when responding to the vehicle starting operation, and verifying and pairing the detection terminal and the alarm terminal so as to establish communication connection between the detection terminal and the alarm terminal.
Each unit module of the apparatus 50 can respectively execute the corresponding steps in the above method embodiments, and therefore, the description of each unit module is omitted here, and please refer to the description of the corresponding steps above in detail.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only used for describing the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various changes and modifications made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention belong to the protection scope of the present invention.
Claims (10)
1. The method for monitoring the personnel staying in the vehicle is characterized by being realized based on a monitoring system, wherein the monitoring system comprises a detection terminal and an alarm terminal, the detection terminal is in communication connection with the alarm terminal, and the method comprises the following steps:
when a vehicle flameout signal is received, scanning the interior of the vehicle through the detection terminal to obtain scanning data;
the detection terminal analyzes and processes the scanning data and confirms whether a living target exists in the vehicle or not;
if yes, the distance between the detection terminal and the alarm terminal is obtained, whether the distance is larger than a preset distance or not is judged, and if yes, the alarm terminal is triggered to send an alarm.
2. The method for monitoring the people staying in the vehicle according to claim 1, further comprising the following steps after the alarm terminal is triggered to give an alarm:
and when the alarm terminal is confirmed not to respond within the preset time, triggering the lamps and/or the loudspeaker in the vehicle to give an alarm through the detection terminal.
3. The in-vehicle detained personnel monitoring method according to claim 1, characterized in that the detection terminal comprises a millimeter wave radar sensor; the step of scanning the interior of the vehicle through the detection terminal to obtain scanning data comprises the following steps: and scanning the interior of the vehicle through the millimeter wave radar sensor to obtain scanning data of the reflected signal.
4. The method for monitoring the detained personnel in the vehicle as claimed in claim 3, wherein said step of analyzing and processing said scan data to determine whether there is a living target in the vehicle comprises:
and analyzing and processing the reflected signals in the scanning data, and confirming the distance, the speed and the direction of the reflecting object to judge whether the living body target exists in the vehicle.
5. The method for monitoring people staying in the vehicle according to claim 1, wherein the detection terminal is connected with a power supply through a cigarette lighter interface and comprises a backup battery; when the vehicle flameout signal is received, the step of scanning the interior of the vehicle through the detection terminal comprises the following steps:
and when the voltage level of the cigarette lighter interface is low, judging that the vehicle is in a flameout state, and switching the power supply of the detection terminal to the standby battery so as to enable the detection terminal to scan the interior of the vehicle.
6. The method for monitoring the people staying in the vehicle as claimed in claim 1, wherein before the step of scanning the vehicle interior by the detection terminal when the vehicle flameout signal is received to obtain the scanning data, the method further comprises:
and when responding to the vehicle starting operation, initializing the monitoring system, and verifying and pairing the detection terminal and the alarm terminal to establish communication connection between the detection terminal and the alarm terminal.
7. The utility model provides a personnel monitoring device is detained in car, a serial communication port, the device realizes based on monitored control system, wherein, monitored control system includes test terminal and alarm terminal, test terminal with alarm terminal communication connection, the device includes:
the scanning unit is used for scanning the interior of the vehicle through the detection terminal when receiving a vehicle flameout signal to obtain scanning data;
the processing unit is used for analyzing and processing the scanning data by the detection terminal and confirming whether a living body target exists in the vehicle or not;
and the first alarm unit is used for acquiring the distance between the detection terminal and the alarm terminal if the first alarm unit is in the positive state, judging whether the distance is greater than a preset distance or not, and triggering the alarm terminal to send an alarm if the distance is greater than the preset distance.
8. An in-vehicle resident person monitoring apparatus according to claim 7, further comprising:
and the second alarm unit is used for triggering the lamps and/or the loudspeaker in the vehicle to give an alarm through the detection terminal when the alarm terminal is confirmed not to respond within the preset time.
9. An in-vehicle resident person monitoring apparatus according to claim 7, further comprising:
and the pairing unit is used for initializing the monitoring system when responding to the vehicle starting operation, and verifying and pairing the detection terminal and the alarm terminal so as to establish communication connection between the detection terminal and the alarm terminal.
10. The in-vehicle resident monitoring device according to claim 7, wherein the detection terminal is connected to a power supply through a cigarette lighter interface, and the detection terminal includes a backup battery; the scanning unit is further configured to:
and when the voltage level of the cigarette lighter interface is low, judging that the vehicle is in a flameout state, and switching the power supply of the detection terminal to the standby battery so as to enable the detection terminal to scan the interior of the vehicle.
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| CN202111393041.8A CN114715070A (en) | 2021-11-23 | 2021-11-23 | Method and device for monitoring people staying in vehicle |
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Citations (13)
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