CN111640288A - Intelligent vehicle-mounted child retention prevention alarm and alarm method - Google Patents
Intelligent vehicle-mounted child retention prevention alarm and alarm method Download PDFInfo
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Abstract
The application discloses an intelligent vehicle-mounted children anti-retention alarm and an alarm method. The alarm device includes: the system comprises an acceleration sensor, a Bluetooth emitter, a Bluetooth detection module, an infrared detection module, a voice recognition module, a main control module, a positioning module, a temperature detection module, a carbon dioxide detection module and a communication module; whether a person exists in the vehicle is determined by using the Bluetooth detection module, the infrared detection module and the voice recognition module, when any detection module finds that the person exists in the vehicle, the main control module starts the temperature detection module and the carbon dioxide detection module, when the temperature value or the carbon dioxide concentration value exceeds a predefined temperature threshold value or a carbon dioxide concentration threshold value, alarm information is sent to a monitoring background, and a worker contacts a guardian or assists in alarming. This application has solved the alarm problem of preventing being detained in the perambulator. Whether children stay in the car is judged by various methods, various sensors are designed, and the reliability is greatly improved by effectively fusing different sensors.
Description
Technical Field
The application relates to the field of communication technology and sensing technology application, in particular to an intelligent vehicle-mounted children anti-retention alarm and an alarm method.
Background
At present, at least 300 children in the world die due to being intentionally or unintentionally left in automobiles alone, the children happen together every 10 days in the United states, and China has various reports on accidents that the children are forgotten in private cars or school buses to cause unexpected death every year.
Analyzing data about death in a child's car, 5 facts that need attention:
for children under 15 years old, in addition to car accidents, heatstroke in the car has become the second place of car related death events.
② the temperature rising speed of the children can be 3-5 times higher than that of the adults.
③ when the body temperature rises to 40 ℃, the functions of the main organs of the children, such as heart, liver, kidney, etc., begin to fail. When the body temperature reaches 42 ℃, the probability of baby death will increase greatly.
The temperature in the automobile rises very quickly, even if the outdoor temperature is only 24 ℃, the temperature in the automobile with the engine turned off can rise to 50 ℃ which is fatal in 10 to 15 minutes.
Even if the outside temperature is only about 14 ℃, the baby in the car still may have heatstroke.
From the data, it can be inferred that the temperature environment in the car is connected with the death of children, and a solution which can automatically detect the environment in the car, give an alarm in time and ask for help according to the environment in the car is urgently needed.
Aiming at the problem of anti-detention alarm in a child car in the related art, an effective solution is not provided at present.
Disclosure of Invention
The main aim at of this application provides an on-vehicle children of intelligence prevent delaying alarm to prevent delaying the problem of reporting to the police in solving the perambulator among the correlation technique.
In order to achieve the above object, in a first aspect, the present application provides an intelligent vehicle-mounted child retention prevention alarm.
An alarm according to the present application comprises: the method comprises the following steps: the device comprises an acceleration sensor, a Bluetooth emitter, a Bluetooth detection module, a main control module, a positioning module, a temperature detection module, a carbon dioxide detection module and a communication module;
the acceleration sensor is connected with the main control module, the Bluetooth detection module receives signals sent by the Bluetooth transmitter and is connected with the main control module, and the main control module is respectively connected with the positioning module, the temperature detection module, the carbon dioxide detection module and the communication module;
the acceleration sensor is used for detecting whether the vehicle is moving or not and transmitting a detected acceleration signal to the main control module, if the acceleration signal shows that the vehicle is moving, the main control module stops the work of other modules, and if the acceleration signal shows that the vehicle is static, the main control module starts each module to work;
the Bluetooth transmitters are used for transmitting signals sent out when the Bluetooth transmitters are touched to the Bluetooth detection module, and a plurality of Bluetooth transmitters are adopted according to actual needs and are placed at any place in the vehicle;
the Bluetooth detection module is used for receiving the signal transmitted by the Bluetooth transmitter, and when the signal of the Bluetooth transmitter is received, the Bluetooth detection module sends a first alarm signal to the main control module;
the main control module is used for coordinating all the modules to complete an alarm function;
the positioning module is used for positioning the specific position of the vehicle in real time and sending the specific position of the vehicle to the main control module according to the requirement of the main control module;
the temperature detection module is used for detecting the temperature in the vehicle and transmitting the detected temperature value to the main control module in real time according to the requirement of the main control module;
the carbon dioxide detection module is used for detecting the concentration of carbon dioxide in the vehicle and transmitting the detected concentration value of the carbon dioxide to the main control module in real time according to the requirement of the main control module;
the communication module transmits various information sent by the main control module to the monitoring background and transfers signals sent by monitoring background staff to the main control module.
The main control module is used for coordinating all modules to complete an alarm function, and specifically comprises the following steps: when the main control module receives a first alarm signal sent by the Bluetooth detection module, the temperature detection module and the carbon dioxide detection module are started, temperature values and carbon dioxide concentration values transmitted by the temperature detection module and the carbon dioxide detection module are received in real time, and when the temperature values or the carbon dioxide concentration values exceed a predefined temperature threshold value or a carbon dioxide concentration threshold value, the main control module calls position information of a vehicle in the positioning module and sends the position information to the communication module.
On-vehicle children of intelligence prevent staying alarm still include: a voice recognition module;
the voice recognition module is connected with the main control module;
the voice recognition module is used for recording sound in the vehicle and simultaneously recognizing whether a person makes sound in the vehicle.
The matching process of the voice recognition module and the main control module is as follows: when the voice recognition module detects that someone in the vehicle makes a sound, the voice recognition module sends a second alarm signal to the main control module; when the main control module receives a second alarm signal, the main control module starts the temperature detection module and the carbon dioxide detection module, and if the temperature value detected by the temperature detection module or the carbon dioxide concentration value detected by the carbon dioxide detection module exceeds a predefined temperature threshold or a carbon dioxide concentration threshold, the main control module sends the in-vehicle sound recorded by the voice recognition module and the position information of the vehicle in the positioning module to the communication module.
On-vehicle children of intelligence prevent staying alarm still include: an infrared detection module;
the infrared detection module is connected with the main control module;
the infrared detection module judges whether a person exists in the vehicle by using an infrared detector;
the matching process of the infrared detection module and the main control module is as follows: when the infrared detection module detects that a person exists in the vehicle, the infrared detection module sends a third alarm signal to the main control module; when the main control module receives a third alarm signal, the main control module starts the temperature detection module and the carbon dioxide detection module, and if a temperature value detected by the temperature detection module or a carbon dioxide concentration value detected by the carbon dioxide detection module exceeds a predefined temperature threshold or a carbon dioxide concentration threshold, the main control module sends the position information of the vehicle in the positioning module to the communication module.
On-vehicle children of intelligence prevent staying alarm still include: an acousto-optic module;
the acousto-optic module is connected with the main control module;
the acousto-optic module sends out acousto-optic alarm signals to the outside of the vehicle through sound and light, and when the main control module receives a starting acousto-optic module signal sent by a monitoring background worker, the main control module starts the acousto-optic module to send out acousto-optic alarm signals to the outside of the vehicle.
On-vehicle children of intelligence prevent staying alarm still include: an acceleration sensor module;
the acceleration sensor module is connected with the main control module;
the acceleration sensor module is used for judging whether the vehicle is in motion or not and transmitting a vehicle acceleration signal to the main control module;
the main control module receives the vehicle acceleration signal transmitted by the acceleration sensor, stops the positioning module when the vehicle acceleration signal indicates that the vehicle is static, and can adjust the reporting period of the positioning module according to the speed of the vehicle when the vehicle acceleration signal indicates that the vehicle moves, and the one-to-one correspondence relationship between the vehicle acceleration signal and the reporting period of the positioning module is preset in the main control module.
The reporting period refers to a period in which the positioning sensor reports the positioning information to the main control module.
The communication module preferably adopts an LTE Cat 1 or NBIOT module.
In a second aspect, the application further provides an intelligent vehicle-mounted child detention prevention alarm method which is applied to the intelligent vehicle-mounted child detention prevention alarm. The specific process is as follows:
step S1: detecting whether the vehicle is moving by using the acceleration sensor, and transmitting a detected acceleration signal to the main control module;
step S2: the main control module judges whether the vehicle is in motion or not according to the acceleration signal;
step S3: if the vehicle is in motion, the main control module stops the other modules from working, otherwise, the main control module starts each module to work, and the step goes to step S4;
step S4: whether someone in bluetooth detection module, speech recognition module, infrared detection module begin to detect the car specifically is:
when the Bluetooth detection module receives a signal of the Bluetooth transmitter, the Bluetooth detection module determines that a person is in the vehicle and touches the Bluetooth transmitter, and then the Bluetooth detection module sends a first alarm signal to the main control module;
when the voice recognition module detects that a person in the vehicle makes a sound and determines that the person is in the vehicle, the voice recognition module sends a second alarm signal to the main control module;
when the infrared detection module detects that a person exists in the vehicle, the infrared detection module sends a third alarm signal to the main control module;
the infrared detection module utilizes special radiation emitted by a human body, and the detection module can detect the special radiation.
Step S5: when the detection result of any one of the Bluetooth detection module, the voice recognition module and the infrared detection module determines that a person is in the vehicle, turning to the step S6, otherwise, turning to the step S4 to continue the detection;
step S6: after the main control module receives a first alarm signal or/and a second alarm signal or/and a third alarm signal, the main control module starts a temperature detection module and a carbon dioxide detection module;
step S7: if the temperature value detected by the temperature detection module in real time or the carbon dioxide concentration value detected by the carbon dioxide detection module in real time exceeds a predefined temperature threshold or a carbon dioxide concentration threshold, the main control module sends the in-vehicle sound recorded by the voice recognition module and the position information of the vehicle in the positioning module to the communication module;
step S8: the communication module sends the sound in the vehicle and the position information of the vehicle transmitted by the main control module to a monitoring background;
the monitoring background staff judges whether to contact the guardian according to the sound in the vehicle and the position information of the vehicle;
if the guardian needs to be contacted, the worker calls a preset guardian, otherwise, the operation is stopped in the step S9 to continue observation;
if the worker can not contact the guardian, the worker gives an alarm according to the position information of the vehicle, and sends a signal for starting the acousto-optic module to the main control module through the communication module, and the main control module starts the acousto-optic module to give an alarm to the pedestrians outside the vehicle; and if the working personnel contact the guardian, ending the alarm process.
The beneficial technical effects are as follows:
the alarm is designed by combining the latest sensor technology and communication technology and utilizing the perfect method flow, is placed in the automobile, judges whether children stay in the automobile or not by various methods, and informs the monitoring background staff and guardians. This application has designed multiple sensor, and the effective integration of different sensors is very big has improved the reliability, and children's life safety can effectively be ensured. The alarm that this application realized is with low costs, and standby time is long.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:
FIG. 1 is a schematic block diagram of an intelligent vehicle-mounted child anti-retention alarm provided according to an embodiment of the application;
FIG. 2 is a flow chart of an intelligent vehicle-mounted child retention prevention alarm method provided according to an embodiment of the application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
In addition, the term "plurality" shall mean two as well as more than two.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The application provides an on-vehicle children of intelligence are prevented detaining alarm and alarm method, and its content summarizes as follows:
if the acceleration sensor detects that the vehicle is moving, the alarm stops working. When the vehicle is stationary, the alarm starts to start the sensors to work.
The alarm has three methods to sense whether a person is in the car, the first method is to detect whether the person is in the car by means of an infrared detector, the second method is to utilize a voice recognition module to identify whether the person is in the car to make a sound, and the third method is to determine whether a Bluetooth module scans a specific Bluetooth signal. The three methods are mutually backup, so that the condition that the alarm is missed in one method is prevented, for example, infrared detection cannot work normally due to the fact that a child and the alarm are shielded by a seat, or the child is too far away from the alarm to detect sound, especially in a long school bus, or a guardian forgets to wear a Bluetooth transmitter for the child is avoided.
For the alarm auxiliary equipment Bluetooth emitter, a guardian can deploy a plurality of devices in a private car, and can teach the using method of the emitter to children at ordinary times. For smaller children or children in school buses, the miniature Bluetooth emitter can be directly hung on a schoolbag and clothes of the children.
After the alarm detects that someone is in the car, just start temperature and carbon dioxide detection module, if detect that arbitrary index surpasss normal scope, the system just can judge that current vehicle is the lock car state, what detained in the car is the minor, and is in the middle of dangerous to trigger and report an emergency and ask for help or increased vigilance, and start the recording, convey the control backstage in real time, the current state of children can be known according to the recording to the backstage, do further judgement, and inform guardian. If the system registered guardian cannot be contacted, the local 110 is contacted according to the GPS position to carry out on-site rescue.
When the alarm is given to the backstage, the acousto-optic module carries out acousto-optic and voice alarm to remind people around to pay attention, children cannot stay for a long time in a vehicle closed high-temperature environment, and people around can be rescued at the first time, which is particularly important.
The communication scheme of the invention adopts the latest LTE Cat 1 or NBIOT module, and compared with the common 4G module, the power consumption is lower, so that the communication scheme can work for more than one week without being connected with a power supply.
In a first aspect, the application provides an intelligent vehicle-mounted child retention prevention alarm, as shown in fig. 1.
An alarm according to the present application comprises: the device comprises an acceleration sensor, a Bluetooth emitter, a Bluetooth detection module, a main control module, a positioning module, a temperature detection module, a carbon dioxide detection module and a communication module;
the acceleration sensor is connected with the main control module, the Bluetooth detection module receives signals sent by the Bluetooth transmitter and is connected with the main control module, and the main control module is respectively connected with the positioning module, the temperature detection module, the carbon dioxide detection module and the communication module;
the acceleration sensor is used for detecting whether the vehicle is moving or not and transmitting a detected acceleration signal to the main control module, if the acceleration signal shows that the vehicle is moving, the main control module stops the work of other modules, and if the acceleration signal shows that the vehicle is static, the main control module starts each module to work;
the Bluetooth transmitters are used for transmitting signals sent out when the Bluetooth transmitters are touched to the Bluetooth detection module, and a plurality of Bluetooth transmitters are adopted according to actual needs and are placed at any place in the vehicle;
the Bluetooth detection module is used for receiving the signal transmitted by the Bluetooth transmitter, and when the signal of the Bluetooth transmitter is received, the Bluetooth detection module sends a first alarm signal to the main control module;
the main control module is used for coordinating all the modules to complete an alarm function;
the positioning module is used for positioning the specific position of the vehicle in real time and sending the specific position of the vehicle to the main control module according to the requirement of the main control module;
the temperature detection module is used for detecting the temperature in the vehicle and transmitting the detected temperature value to the main control module in real time according to the requirement of the main control module;
the carbon dioxide detection module is used for detecting the concentration of carbon dioxide in the vehicle and transmitting the detected concentration value of the carbon dioxide to the main control module in real time according to the requirement of the main control module;
and the communication module is used for transmitting various information sent by the main control module to the monitoring background and transferring signals sent by monitoring background staff to the main control module.
The main control module is used for coordinating all modules to complete an alarm function, and specifically comprises the following steps: when the main control module receives a first alarm signal sent by the Bluetooth detection module, the temperature detection module and the carbon dioxide detection module are started, temperature values and carbon dioxide concentration values transmitted by the temperature detection module and the carbon dioxide detection module are received in real time, and when the temperature values or the carbon dioxide concentration values exceed a predefined temperature threshold value or a carbon dioxide concentration threshold value, the main control module calls position information of a vehicle in the positioning module and sends the position information to the communication module.
On-vehicle children of intelligence prevent staying alarm still include: a voice recognition module;
the voice recognition module is connected with the main control module;
the voice recognition module is used for recording sound in the vehicle and simultaneously recognizing whether a person makes sound in the vehicle.
The matching process of the voice recognition module and the main control module is as follows: when the voice recognition module detects that someone in the vehicle makes a sound, the voice recognition module sends a second alarm signal to the main control module; when the main control module receives a second alarm signal, the main control module starts the temperature detection module and the carbon dioxide detection module, and if the temperature value detected by the temperature detection module or the carbon dioxide concentration value detected by the carbon dioxide detection module exceeds a predefined temperature threshold or a carbon dioxide concentration threshold, the main control module sends the in-vehicle sound recorded by the voice recognition module and the position information of the vehicle in the positioning module to the communication module.
On-vehicle children of intelligence prevent staying alarm still include: an infrared detection module;
the infrared detection module is connected with the main control module;
the infrared detection module judges whether a person exists in the vehicle by using an infrared detector;
the infrared detection module utilizes special radiation emitted by a human body, and the detection module can detect the special radiation.
The matching process of the infrared detection module and the main control module is as follows: when the infrared detection module detects that a person exists in the vehicle, the infrared detection module sends a third alarm signal to the main control module; when the main control module receives a third alarm signal, the main control module starts the temperature detection module and the carbon dioxide detection module, and if a temperature value detected by the temperature detection module or a carbon dioxide concentration value detected by the carbon dioxide detection module exceeds a predefined temperature threshold or a carbon dioxide concentration threshold, the main control module sends the position information of the vehicle in the positioning module to the communication module.
On-vehicle children of intelligence prevent staying alarm still include: an acousto-optic module;
the acousto-optic module is connected with the main control module;
the acousto-optic module sends out acousto-optic alarm signals to the outside of the vehicle through sound and light, and when the main control module receives a starting acousto-optic module signal sent by a monitoring background worker, the main control module starts the acousto-optic module to send out acousto-optic alarm signals to the outside of the vehicle.
The matching process of the acousto-optic module and the main control module is as follows: when the main control module receives a starting acousto-optic module signal sent by the monitoring background, the main control module starts the acousto-optic module to send an acousto-optic alarm signal to the pedestrians outside the vehicle.
On-vehicle children of intelligence prevent staying alarm still include: an acceleration sensor module;
the acceleration sensor module is connected with the main control module;
the acceleration sensor module is used for judging whether the vehicle is in motion or not and transmitting a vehicle acceleration signal to the main control module;
the main control module receives the vehicle acceleration signal transmitted by the acceleration sensor, stops the positioning module when the vehicle acceleration signal indicates that the vehicle is static, and can adjust the reporting period of the positioning module according to the speed of the vehicle when the vehicle acceleration signal indicates that the vehicle moves, and the one-to-one correspondence relationship between the vehicle acceleration signal and the reporting period of the positioning module is preset in the main control module.
The reporting period refers to a time period for the main control module to read data from the positioning sensor.
The communication module preferably adopts an LTE Cat 1 or NBIOT module.
In a second aspect, the application further provides an intelligent vehicle-mounted child detention prevention alarm method which comprises the intelligent vehicle-mounted child detention prevention alarm. As shown in fig. 2, the specific process is as follows:
step S1: detecting whether the vehicle is moving by using the acceleration sensor, and transmitting a detected acceleration signal to the main control module;
step S2: the main control module judges whether the vehicle is in motion or not according to the acceleration signal;
step S3: if the vehicle is in motion, the main control module stops the other modules from working, otherwise, the main control module starts each module to work, and the step goes to step S4;
step S4: whether someone in bluetooth detection module, speech recognition module, infrared detection module begin to detect the car specifically is:
when the Bluetooth detection module receives a signal of the Bluetooth transmitter, the Bluetooth detection module determines that a person is in the vehicle and touches the Bluetooth transmitter, and then the Bluetooth detection module sends a first alarm signal to the main control module;
when the voice recognition module detects that a person in the vehicle makes a sound and determines that the person is in the vehicle, the voice recognition module sends a second alarm signal to the main control module;
when the infrared detection module detects that a person exists in the vehicle, the infrared detection module sends a third alarm signal to the main control module;
step S5: when the detection result of any one of the Bluetooth detection module, the voice recognition module and the infrared detection module determines that a person is in the vehicle, turning to the step S6, otherwise, turning to the step S4 to continue the detection;
step S6: after the main control module receives a first alarm signal or/and a second alarm signal or/and a third alarm signal, the main control module starts a temperature detection module and a carbon dioxide detection module;
step S7: if the temperature value detected by the temperature detection module in real time or the carbon dioxide concentration value detected by the carbon dioxide detection module in real time exceeds a predefined temperature threshold or a carbon dioxide concentration threshold, the main control module sends the in-vehicle sound recorded by the voice recognition module and the position information of the vehicle in the positioning module to the communication module;
step S8: the communication module sends the sound in the vehicle and the position information of the vehicle transmitted by the main control module to a monitoring background;
the monitoring background staff judges whether to contact the guardian according to the sound in the vehicle and the position information of the vehicle;
if the guardian needs to be contacted, the worker calls a preset guardian, otherwise, the operation is stopped in the step S9 to continue observation;
if the worker can not contact the guardian, the worker gives an alarm according to the position information of the vehicle, and sends a signal for starting the acousto-optic module to the main control module through the communication module, and the main control module starts the acousto-optic module to give an alarm to the pedestrians outside the vehicle; and if the working personnel contact the guardian, ending the alarm process.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. The utility model provides an on-vehicle children of intelligence are prevented detaining alarm which characterized in that includes: the device comprises an acceleration sensor, a Bluetooth emitter, a Bluetooth detection module, a main control module, a positioning module, a temperature detection module, a carbon dioxide detection module and a communication module;
the acceleration sensor is connected with the main control module, the Bluetooth detection module receives signals sent by the Bluetooth transmitter and is connected with the main control module, and the main control module is respectively connected with the positioning module, the temperature detection module, the carbon dioxide detection module and the communication module;
the acceleration sensor is used for detecting whether the vehicle is moving or not and transmitting a detected acceleration signal to the main control module, if the acceleration signal shows that the vehicle is moving, the main control module stops the work of other modules, and if the acceleration signal shows that the vehicle is static, the main control module starts each module to work;
the Bluetooth emitter is used for transmitting a signal sent out when the Bluetooth emitter is touched to the Bluetooth detection module;
the Bluetooth detection module is used for receiving the signal transmitted by the Bluetooth transmitter, and when the signal of the Bluetooth transmitter is received, the Bluetooth detection module sends a first alarm signal to the main control module;
the main control module is used for coordinating all the modules to complete an alarm function;
the positioning module is used for positioning the position of the vehicle in real time and sending the position of the vehicle to the main control module according to the requirement of the main control module;
the temperature detection module is used for detecting the temperature in the vehicle and transmitting the detected temperature value to the main control module in real time according to the requirement of the main control module;
the carbon dioxide detection module is used for detecting the concentration of carbon dioxide in the vehicle and transmitting the detected concentration value of the carbon dioxide to the main control module in real time according to the requirement of the main control module;
and the communication module is used for transmitting various information sent by the main control module to the monitoring background and transferring signals sent by the monitoring background to the main control module.
2. The intelligent vehicle-mounted child anti-retention alarm according to claim 1,
the main control module is used for coordinating all modules to complete an alarm function, and specifically comprises the following steps: when the main control module receives a first alarm signal sent by the Bluetooth detection module, the temperature detection module and the carbon dioxide detection module are started, temperature values and carbon dioxide concentration values transmitted by the temperature detection module and the carbon dioxide detection module are received in real time, and when the temperature values or the carbon dioxide concentration values exceed a predefined temperature threshold value or a carbon dioxide concentration threshold value, the main control module calls position information of a vehicle in the positioning module and sends the position information to the communication module.
3. The intelligent vehicle-mounted child anti-retention alarm according to claim 1,
on-vehicle children of intelligence prevent staying alarm still include: a voice recognition module;
the voice recognition module is connected with the main control module;
the voice recognition module is used for recording sound in the vehicle and simultaneously recognizing whether a person makes sound in the vehicle.
4. The intelligent vehicle-mounted child anti-retention alarm according to claim 3,
the matching process of the voice recognition module and the main control module is as follows: when the voice recognition module detects that someone in the vehicle makes a sound, the voice recognition module sends a second alarm signal to the main control module; when the main control module receives a second alarm signal, the main control module starts the temperature detection module and the carbon dioxide detection module, and if the temperature value detected by the temperature detection module or the carbon dioxide concentration value detected by the carbon dioxide detection module exceeds a predefined temperature threshold or a carbon dioxide concentration threshold, the main control module sends the in-vehicle sound recorded by the voice recognition module and the position information of the vehicle in the positioning module to the communication module.
5. The intelligent vehicle-mounted child anti-retention alarm according to claim 1,
on-vehicle children of intelligence prevent staying alarm still include: an infrared detection module;
the infrared detection module is connected with the main control module;
the infrared detection module judges whether a person exists in the vehicle by using an infrared detector.
6. The intelligent vehicle-mounted child anti-retention alarm according to claim 5,
the matching process of the infrared detection module and the main control module is as follows: when the infrared detection module detects that a person exists in the vehicle, the infrared detection module sends a third alarm signal to the main control module; when the main control module receives a third alarm signal, the main control module starts the temperature detection module and the carbon dioxide detection module, and if a temperature value detected by the temperature detection module or a carbon dioxide concentration value detected by the carbon dioxide detection module exceeds a predefined temperature threshold or a carbon dioxide concentration threshold, the main control module sends the position information of the vehicle in the positioning module to the communication module.
7. The intelligent vehicle-mounted child anti-retention alarm according to claim 1,
on-vehicle children of intelligence prevent staying alarm still include: an acousto-optic module;
the acousto-optic module is connected with the main control module;
and the acousto-optic module emits acousto-optic alarm signals through sound and light.
8. The intelligent vehicle-mounted child anti-retention alarm according to claim 7,
the matching process of the acousto-optic module and the main control module is as follows: when the main control module receives a starting acousto-optic module signal sent by the monitoring background, the main control module starts the acousto-optic module to send an acousto-optic alarm signal.
9. The intelligent vehicle child anti-retention alarm according to claim 1, 2, 4 or 6,
the communication module adopts an LTE Cat 1 or NBIOT module.
10. An intelligent vehicle-mounted child retention prevention alarm method is applied to the intelligent vehicle-mounted child retention prevention alarm device according to any one of claims 1-9, and the specific flow is as follows:
step S1: detecting whether the vehicle is moving by using the acceleration sensor, and transmitting a detected acceleration signal to the main control module;
step S2: the main control module judges whether the vehicle is in motion or not according to the acceleration signal;
step S3: if the vehicle is in motion, the main control module stops the other modules from working, otherwise, the main control module starts each module to work, and the step goes to step S4;
step S4: whether someone in bluetooth detection module, speech recognition module, infrared detection module begin to detect the car specifically is:
when the Bluetooth detection module receives a signal of a Bluetooth transmitter, and the Bluetooth detection module determines that a person is in the vehicle, the Bluetooth detection module sends a first alarm signal to the main control module;
when the voice recognition module detects that a person in the vehicle makes a sound and determines that the person is in the vehicle, the voice recognition module sends a second alarm signal to the main control module;
when the infrared detection module detects that a person exists in the vehicle, the infrared detection module sends a third alarm signal to the main control module;
step S5: when any one of the Bluetooth detection module, the voice recognition module and the infrared detection module determines that a person is in the vehicle, turning to the step S6, otherwise, turning to the step S4 to continue detection;
step S6: after the main control module receives a first alarm signal or/and a second alarm signal or/and a third alarm signal, the main control module starts a temperature detection module and a carbon dioxide detection module;
step S7: if the temperature value detected by the temperature detection module in real time or the carbon dioxide concentration value detected by the carbon dioxide detection module in real time exceeds a predefined temperature threshold or a carbon dioxide concentration threshold, the main control module sends the in-vehicle sound recorded by the voice recognition module and the position information of the vehicle in the positioning module to the communication module;
step S8: the communication module sends the sound in the vehicle and the position information of the vehicle transmitted by the main control module to the monitoring background.
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