CN112530136A - Warning and rescuing system for preventing children from being locked in vehicle - Google Patents

Abstract

The invention relates to the technical field of Internet of things, in particular to a warning and rescuing system for preventing children from being locked in a vehicle, which comprises: at least three pairs of first pressure sensors and first gravity sensors; a plurality of second pressure sensors; at least one load cell; a micro air circulator; a first infrared camera; a second infrared camera; the microcontroller is respectively in communication connection with at least three pairs of first pressure sensors, first gravity sensors, a plurality of second pressure sensors and at least one weighing sensor; the microcontroller is also in communication connection with the vehicle central control platform; the wireless transmission module and the alarm module are in communication connection with the microcontroller; the temperature sensor is in communication connection with the microcontroller; a switch assembly; the mobile terminal is used for being in wireless communication connection with the microcontroller. The warning and rescuing system for preventing the child from being locked in the vehicle can solve the problem of safe riding of the child under two conditions of existence of the child safety seat and effectively prevent the generation of new safety problems.

Description

Warning and rescuing system for preventing children from being locked in vehicle

Technical Field

The invention relates to the technical field of Internet of things, in particular to a warning and rescuing system for preventing children from being locked in a vehicle.

Background

In recent years, with the improvement of living standard of people, automobiles are becoming the main travel tool of many families at present. After the child lock function on the vehicle is opened, the corresponding vehicle door (usually, the rear vehicle door of the driver) cannot be opened from the inside, and after the vehicle is flamed out and locked, each vehicle door cannot be opened from the inside, so that children are forgotten in the society and dangerous tragedies in the vehicle are locked reversely occur, and particularly if children cannot be found in the vehicle locked reversely in time in summer, serious reactions (for example, heatstroke) or irrecoverable consequences of the children are possibly caused. The existing devices for preventing children from being locked in the vehicle mainly have two types: one method only relates to the detection of the child safety seat, and can not detect whether children exist at other positions of the automobile seat, but the popularization rate of the child safety seat in China is less than 5 percent, and the child safety seat cannot be popularized and utilized; there is also a test for car seats and not for child safety seats; in the rescue mode, other safety problems are easy to occur in the direct window opening ventilation and rescue mode.

Disclosure of Invention

The invention aims to provide a warning and rescuing system for preventing a child from being locked in a vehicle, which can solve the problem of safe riding of the child under the two conditions of existence of a child safety seat and no existence of a child safety seat and effectively prevent the generation of new safety problems.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a protection and warning system in a child forgetting car, comprising:

at least three pairs of first pressure sensors and first gravity sensors, which are provided in pairs on the rear seats;

a plurality of second pressure sensors distributed evenly over the child safety seat; at least one weighing sensor arranged in the middle of a cushion of the child seat;

the miniature air circulator comprises an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are both arranged at a position close to the rear row of seats and are communicated with the inner side and the outer side of the vehicle; a filter screen disposed in the air inlet pipe; the air outlet of the micro air conditioner component is communicated to the filter screen of the air inlet pipe;

the first infrared camera is arranged at the top in the vehicle and close to the rear seat;

the second infrared camera is arranged on the rear side surface of the front row seat;

the microcontroller is in communication connection with at least three pairs of the first pressure sensor, the first gravity sensor, the plurality of second pressure sensors and the at least one weighing sensor respectively; the microcontroller is used for acquiring the pressure value A1 of the first pressure sensor, the weight value B1 of the first gravity sensor, the pressure values A2 of the plurality of second pressure sensors and the weight value B2 of the at least one weighing sensor in real time; the microcontroller is also in communication connection with the vehicle central control platform and is used for acquiring an engine start-stop signal and a vehicle door lock start-stop signal of the vehicle central control platform in real time; the wireless transmission module and the alarm module are in communication connection with the microcontroller; the temperature sensor is in communication connection with the microcontroller;

the switch assembly is arranged on a communication connection circuit of the microcontroller and at least three pairs of the first pressure sensor, the first gravity sensor, the plurality of second pressure sensors and the at least one weighing sensor; the switch assembly also comprises a box body which is detachably arranged on the rear side surface of the rear row of seats and is close to the lower end of the rear row of seats; the multiple groups of circuit switches are respectively correspondingly connected with communication connecting circuits of the on-off microcontroller, at least three pairs of first pressure sensors and first gravity sensors, the multiple second pressure sensors and at least one weighing sensor, and when the switches of the microcontroller, the multiple second pressure sensors and the at least one weighing sensor, which are in communication connection, are closed, the switches of the first pressure sensors and the first weighing sensors, which are in communication connection, in the rear seat below the child safety seat are disconnected;

the mobile terminal is in wireless communication connection with the microcontroller, and is also provided with a voice prompt module;

when the microcontroller receives a door lock opening signal and an engine starting signal, the following steps are carried out: the microcontroller controls and starts the first infrared camera and the second infrared camera to acquire and store portrait information D on the back row of seats, and the microcontroller also acquires and stores a current pressure value A1, a weight value B1, a current pressure value A2 and a weight value B2 in real time; and comparing and analyzing the acquired data to obtain an analysis result:

if the number of the human bodies in the portrait information D is more than or equal to 1, the pressure value A1 is more than 0, and the weight value B1 is less than or equal to 50 kilograms; and/or the number of human bodies in the portrait information D is more than or equal to 1, the pressure value A2 is more than 0, and the weight value B2 is more than 0; repeating the step a once every a certain time t;

until the microcontroller receives the engine closing signal and the door lock locking signal, the microcontroller starts to acquire and record the door lock locking duration T, and the following step b is carried out:

the microcontroller is used for acquiring the distance L between the mobile terminal and a vehicle in communication connection with the mobile terminal in real time;

the microcontroller is also used for acquiring a real-time temperature value Q of the temperature sensor in real time;

and comparing and analyzing the acquired data to obtain an analysis result: if the distance L is more than or equal to 80m and the time length T is less than 3min, the microcontroller controls an alarm module to generate an alarm instruction and sends the alarm instruction to a voice prompt module of the mobile terminal so as to send out a voice prompt; if the distance L is more than or equal to 300m, the time length is more than 3min and less than T and less than 10min, or the real-time temperature value is more than 20 ℃ and less than Q and less than 30 ℃, the microcontroller controls the alarm module to generate an alarm instruction and sends the alarm instruction to the voice prompt module of the mobile terminal so as to send out voice prompt; meanwhile, the microcontroller controls and starts the micro air circulator; if the real-time temperature value Q is larger than 32 ℃, the microcontroller controls the alarm module to dial for alarm and broadcast the position of the vehicle.

Preferably, the method further comprises the following steps: the first spherical box body is arranged in a first super-hemispherical accommodating groove in the top in the vehicle in an embedded manner, and the first infrared camera is arranged in the first spherical box body in an embedded manner; a pair of first rotating shafts respectively disposed at both sides of the first spherical case; the pair of first through holes are formed in the side wall of the first super-hemispherical accommodating groove, and the pair of first rotating shafts are matched and rotatably arranged in the pair of first through holes; the first steering engine drives the pair of first rotating shafts to drive the first spherical box body to synchronously rotate so that the camera end of the first infrared camera rotates out of or into the first hyper-hemispherical accommodating groove;

the second spherical box body is embedded in a second super-hemispherical accommodating groove in the rear side surface of the rear row seat of the vehicle, and the second infrared camera is embedded in the second spherical box body; a pair of second rotating shafts respectively disposed at both sides of the second spherical case; the pair of second through holes are formed in the side wall of the second super-hemispherical accommodating groove, and the pair of second rotating shafts are matched and rotatably arranged in the pair of second through holes; the second steering engine drives the pair of second rotating shafts to drive the second spherical box body to synchronously rotate so that the camera end of the second infrared camera rotates out of or into the second super-hemispherical accommodating groove;

when the microcontroller receives a vehicle door lock opening signal and receives an engine starting signal, the microcontroller controls to start the first infrared camera and the second infrared camera, and the first steering engine and the second steering engine synchronously rotate the first spherical box body and the second spherical box body.

Preferably, the certain time t is 7-12 min.

Preferably, the diameter of the first spherical box is less than 5 cm; the diameter of the second spherical box body is less than 3 cm.

Preferably, the acquired data stored in the microcontroller are acquired data at the current moment and acquired data at the previous moment, and the acquired data are iteratively updated once step a is repeated for every two times, wherein the acquired data comprise portrait information D, a pressure value A1 and a weight value B1;

or portrait information D, pressure value a2 and weight value B2.

Preferably, the portrait information D further includes a picture including a human body, a human body temperature corresponding to the time of acquiring the picture, a picture acquisition time, and a picture size.

Preferably, the method further comprises the following steps: the flashing lamp is arranged on the frame of the vehicle interior rearview mirror and is electrically connected with the microcontroller;

if the current acquisition data stored in the microcontroller is as follows: the number of human bodies in the portrait information D is more than or equal to 1, the pressure value A1 is more than 0, and the weight value B1 is less than or equal to 50 kilograms; or the number of the human bodies in the portrait information D is more than or equal to 1, the pressure value A2 is more than 0, and the weight value B2 is more than 0;

when the microcontroller receives the engine off signal, the microcontroller controls the flashing light to flash.

Preferably, the method further comprises the following steps: a second temperature sensor for detecting a vehicle outside temperature;

the microcontroller is also in communication connection with a glass control assembly of the vehicle;

when the microcontroller receives an engine closing signal and a door lock locking signal, the microcontroller starts to acquire and record the door lock locking duration T, and the following step b is carried out:

the microcontroller is used for acquiring the distance L between the mobile terminal and a vehicle in communication connection with the mobile terminal in real time;

the microcontroller is also used for acquiring a real-time temperature value Q of the temperature sensor and a temperature value Q1 of the second temperature sensor in real time;

and comparing and analyzing the acquired data to obtain an analysis result:

if the distance L is larger than or equal to 150m, the real-time temperature value Q is smaller than 25 ℃, and Q1 is smaller than 25 ℃, the microcontroller controls the alarm module to generate an alarm instruction and sends the alarm instruction to the voice prompt module of the mobile terminal so as to send out voice prompt;

if the distance L is more than or equal to 500m, the real-time temperature value Q is less than 30 ℃, and Q1 is less than 30 ℃, the microcontroller controls the alarm module to generate an alarm instruction and sends the alarm instruction to the voice prompt module of the mobile terminal so as to send out voice prompt; meanwhile, the microcontroller controls and starts the micro air circulator;

if the real-time temperature value Q is larger than 35 ℃, Q1 is larger than or equal to 30 ℃, and T is larger than or equal to 15min, the microcontroller controls the alarm module to dial and alarm and broadcast the position of the vehicle, the dial alarm is timed to be T1 at the same time, and the microcontroller controls the glass lifting assembly to start and controls the window glass to descend to the specified position when T1 is larger than or equal to 5 min.

The invention has the beneficial effects that:

the microcontroller is electrically connected with the vehicle-mounted storage battery, is relatively independent of the vehicle central control platform, and can independently control and acquire information related to at least three pairs of first pressure sensors, first gravity sensors, a plurality of second pressure sensors, at least one weighing sensor, the micro air circulator and second infrared cameras of the first infrared cameras; at least three pairs of first pressure sensors and first gravity sensors are respectively used for detecting a rear seat of a vehicle, a plurality of second pressure sensors and at least one weighing sensor are used for detecting pressure and weight on a child safety seat, the first pressure sensors and the first weight sensors in corresponding positions can be alternatively communicated and connected to a microcontroller through a switch assembly according to whether the child safety seat is installed or not, when the child safety seat is installed, the first pressure sensors and the first weight sensors in corresponding positions below the child safety seat can not collect pressure values and weight values any more, and when the child safety seat is not installed, only detection data of a weight sensor group I can be collected; the child safety seat is convenient to arrange or is used under the condition that the child safety seat is not arranged, and the application range is wide;

when the microcontroller receives the door lock opening signal, and after receiving the engine start signal, the microcontroller can continuously update and store the human body information on the current vehicle backseat, such as: the rear seat of the vehicle is provided with a plurality of passengers, the weights of the passengers are about, the physical and physical characteristics of the passengers correspond to adults and children, and after comparison and analysis, the next action is carried out according to the analysis result; in conclusion, after the vehicle is started, the condition of passengers on the rear seats of the vehicle is continuously verified, the passengers are ensured to be in a protection and warning state in real time under the condition that children sit, a timely reminding function is achieved when a driver gets off and locks the vehicle to leave, and the passengers can automatically give an alarm and state correct positioning information under the condition that the crisis condition cannot be timely relieved, so that the safety of the children is ensured.

Drawings

Fig. 1 is a schematic structural view of a warning and rescue system for preventing children from being locked in a vehicle according to an embodiment of the present invention;

FIG. 2 is a diagram of the communication connections between a microcontroller and at least three pairs of a first pressure sensor and a first gravity sensor, a plurality of second pressure sensors, and at least one load cell, according to one embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a first spherical box and a first super-spherical receiving slot according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a second spherical box and a second super-spherical receiving groove according to an embodiment of the invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 and 2, a warning and rescuing system for preventing children from being locked in a vehicle includes:

at least three pairs of first pressure sensors and first gravity sensors, which are provided in pairs on the rear seats; a plurality of second pressure sensors distributed evenly over the child safety seat; at least one weighing sensor arranged in the middle of a cushion of the child seat; the miniature air circulator comprises an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are both arranged at a position close to the rear row of seats and are communicated with the inner side and the outer side of the vehicle; a filter screen disposed in the air inlet pipe; the air outlet of the micro air conditioner component is communicated to the filter screen of the air inlet pipe; the first infrared camera is arranged at the top in the vehicle and close to the rear seat; the second infrared camera is arranged on the rear side surface of the front row seat; the microcontroller is in communication connection with at least three pairs of the first pressure sensor, the first gravity sensor, the plurality of second pressure sensors and the at least one weighing sensor respectively; the microcontroller is used for acquiring the pressure value A1 of the first pressure sensor, the weight value B1 of the first gravity sensor, the pressure values A2 of the plurality of second pressure sensors and the weight value B2 of the at least one weighing sensor in real time; the microcontroller is also in communication connection with the vehicle central control platform and is used for acquiring an engine start-stop signal and a vehicle door lock start-stop signal of the vehicle central control platform in real time; the wireless transmission module and the alarm module are in communication connection with the microcontroller; the temperature sensor is in communication connection with the microcontroller; the switch assembly is arranged on a communication connection circuit of the microcontroller and at least three pairs of the first pressure sensor, the first gravity sensor, the plurality of second pressure sensors and the at least one weighing sensor; the switch assembly also comprises a box body which is detachably arranged on the rear side surface of the rear row of seats and is close to the lower end of the rear row of seats; the multiple groups of circuit switches are respectively correspondingly connected with communication connecting circuits of the on-off microcontroller, at least three pairs of first pressure sensors and first gravity sensors, the multiple second pressure sensors and at least one weighing sensor, and when the switches of the microcontroller, the multiple second pressure sensors and the at least one weighing sensor, which are in communication connection, are closed, the switches of the first pressure sensors and the first weighing sensors, which are in communication connection, in the rear seat below the child safety seat are disconnected; the microcontroller is electrically connected with the vehicle-mounted storage battery, is relatively independent of the vehicle central control platform, and can independently control and acquire information related to at least three pairs of first pressure sensors, first gravity sensors, a plurality of second pressure sensors, at least one weighing sensor, the micro air circulator and second infrared cameras of the first infrared cameras; at least three pairs of first pressure sensors and first gravity sensors are respectively used for detecting a rear seat of a vehicle, a plurality of second pressure sensors and at least one weighing sensor are used for detecting pressure and weight on a child safety seat, the first pressure sensors and the first weight sensors at corresponding positions can be alternatively communicated and connected to a microcontroller through a switch assembly according to whether the child safety seat is installed or not, when the child safety seat is installed, the first pressure sensors and the first weight sensors at corresponding positions below the child safety seat do not acquire pressure values and weight values any more, as shown in figure 2, and when the child safety seat is not installed, only detection data of a weight sensor group I can be acquired; the child safety seat is convenient to arrange or is used under the condition that the child safety seat is not arranged, and the application range is wide; when the microcontroller receives the door lock opening signal, and after receiving the engine start signal, the microcontroller can continuously update and store the human body information on the current vehicle backseat, such as: the rear seat of the vehicle is provided with a plurality of passengers, the weights of the passengers are about, the physical and physical characteristics of the passengers correspond to adults and children, and after comparison and analysis, the next action is carried out according to the analysis result; the mobile terminal is in wireless communication connection with the microcontroller, and is also provided with a voice prompt module;

when the microcontroller receives a door lock opening signal and an engine starting signal, the following steps are carried out: the microcontroller controls and starts the first infrared camera and the second infrared camera to acquire and store portrait information D on the back row of seats, and the microcontroller also acquires and stores a current pressure value A1, a weight value B1, a current pressure value A2 and a weight value B2 in real time; and comparing and analyzing the acquired data to obtain an analysis result:

the engine start and stop signal is detected by an engine state detection sensor arranged at the engine, a signal for judging whether the engine stops running is generated, and a corresponding signal is transmitted to the microcontroller, if the number of human bodies in the portrait information D is more than or equal to 1, the pressure value A1 is more than 0, and the weight value B1 is less than or equal to 50 kilograms; and/or the number of human bodies in the portrait information D is more than or equal to 1, the pressure value A2 is more than 0, and the weight value B2 is more than 0; repeating the step a once every a certain time t; the number of passengers in the rear row of the vehicle and the respective numbers of adults and children can be preliminarily obtained according to the analysis, if the conditions are met, the children are taken on the rear row of the vehicle, therefore, until the microcontroller receives an engine closing signal and a door lock locking signal, the microcontroller starts to acquire and record the door lock locking duration T, and the following step b is carried out:

the microcontroller is used for acquiring the distance L between the mobile terminal and a vehicle in communication connection with the mobile terminal in real time; it should be noted that, a mobile terminal (generally, a mobile phone, a bracelet, a telephone watch, etc.) of a driver is loaded with a corresponding APP to be in communication connection with a microcontroller, and the microcontroller is provided with a positioning module, and obtains a distance between the mobile terminal and the microcontroller in real time through wireless connection communication with the positioning module of the mobile terminal, so as to obtain a relative position between the driver and a vehicle in real time and make corresponding responses such as alarm;

the microcontroller is also used for acquiring a real-time temperature value Q of the temperature sensor in real time;

and comparing and analyzing the acquired data to obtain an analysis result: if the distance L is more than or equal to 80m and the time length T is less than 3min, the microcontroller controls the alarm module to generate an alarm instruction and sends the alarm instruction to the voice prompt module of the mobile terminal so as to send out voice prompt; in the above condition, firstly, the judgment is made according to the distance L and the car locking duration, and a driver holding the mobile terminal may leave children on the car, so that the driver is reminded in a voice prompt manner; at the moment, if the driver finds and unlocks the vehicle door in time, the voice prompt is not sent out any more;

if the distance L is more than or equal to 300m, the time length is more than 3min and less than T and less than 10min, or the distance L is more than or equal to 300m, and the real-time temperature value is more than 20 ℃ and less than Q and less than 30 ℃, the microcontroller controls the alarm module to generate an alarm instruction and sends the alarm instruction to the voice prompt module of the mobile terminal so as to send out voice prompts, such as: "Please note that there is a child staying in your car"; meanwhile, the microcontroller controls and starts the micro air circulator; to provide ventilation air to the vehicle interior; furthermore, if the distance L is changed to be more than or equal to 500m and the time length is prolonged to be more than 3min and less than T and less than 10min after the voice prompt is sent for the first time, or the distance L is changed to be more than or equal to 500m and the real-time temperature value Q is less than 30 ℃, the endangering condition that the child is forgotten in the automobile is still not relieved, the voice prompt is sent out, and meanwhile, the microcontroller controls and starts the micro air circulator to provide circulating air for the automobile, and the temperature in the automobile body is cooled through the micro air conditioner to maintain the lower temperature in the automobile and ensure the safety of the child in the automobile;

if the real-time temperature value Q is larger than 30 ℃, the microcontroller controls the alarm module to dial for alarm and broadcast the position of the vehicle.

If the situation is not relieved when the time is prolonged and the real-time temperature value Q is larger than 30 ℃, the microcontroller controls the alarm module to dial for alarm and broadcast the position of the vehicle, so that the alarm is given at the highest speed and children are forcibly rescued, and unnecessary situations are avoided.

In the scheme, after the vehicle is started, the condition of passengers on the rear seats of the vehicle is continuously verified, the passengers are ensured to be in a protection and warning state in real time under the condition that children sit, a timely reminding function is played when a driver gets off and locks the vehicle to leave, correct positioning information can be automatically alarmed and stated under the condition that the crisis condition cannot be timely relieved, and the safety of the children is ensured.

As shown in fig. 3 and 4, in a preferred embodiment, the method further includes: the first spherical box body 10 is embedded in the first super-hemispherical accommodating groove 20 of the vehicle interior roof 100, and the first infrared camera 70 is embedded in the first spherical box body; a pair of first rotating shafts 101 respectively provided at both sides of the first spherical case; the pair of first through holes are formed in the side wall of the first super-hemispherical accommodating groove, and the pair of first rotating shafts are matched and rotatably arranged in the pair of first through holes; the first steering engine 30 drives the pair of first rotating shafts to drive the first spherical box body to synchronously rotate so that the camera end of the first infrared camera rotates out of or into the first hyper-hemispherical accommodating groove; the second spherical box 40 is embedded in the second super-hemispherical accommodating groove 50 on the rear side surface of the rear seat 200 of the vehicle, and the second infrared camera 80 is embedded in the second spherical box; a pair of second rotating shafts 401 respectively provided at both sides of the second spherical case; the pair of second through holes are formed in the side wall of the second super-hemispherical accommodating groove, and the pair of second rotating shafts are matched and rotatably arranged in the pair of second through holes; the second steering engine 60 drives the pair of second rotating shafts to drive the second spherical box body to synchronously rotate so that the camera end of the second infrared camera rotates out of or into the second super-hemispherical accommodating groove; the first steering engine and the second steering engine can be arranged to rotate at angles of 80 degrees, 90 degrees, 100 degrees, 120 degrees, 150 degrees and the like; when the microcontroller receives the door lock opening signal, and after receiving the engine start signal, microcontroller control starts first infrared camera and second infrared camera, first steering wheel and the first spherical box body of second steering wheel synchronous revolution and second spherical box body, so that the camera end of first infrared camera is rotatory to the opening 201 department of the first super hemisphere holding tank of orientation from hiding the position, the camera end of second infrared camera is rotatory to the opening 501 department of the super hemisphere holding tank of orientation second from hiding the position, in order to conveniently gather the image. First infrared camera and second infrared camera set up respectively in first spherical box body and the spherical box body of second, only receive the door lock opening signal when microcontroller, and receive engine start signal after, just can start first infrared camera and second infrared camera, all the other times, all not launch, set up first spherical box body and the spherical box body of second and can play certain hiding and guard action to first infrared camera and the infrared camera of second, and simultaneously, unnecessary time is not started, saves the electric energy.

In a preferable scheme, the step a is repeated every 7min, 10min or 12min for a certain time t of 7-12min, so that the information of passengers at the rear seats of the vehicle can be conveniently verified and updated at any time, and the passengers are prevented from changing in the using process of the vehicle.

In a preferable scheme, the diameter of the first spherical box body is less than 5 cm; the diameter of the second spherical box body is less than 3 cm. In practical application, if the alarm is given only in the form of characters such as a short message, the driver can not always see the alarm in time, and the best time for saving the child is delayed, so that the prompt mode is direct and more reliable by adopting a direct voice prompt mode in the scheme.

In a preferred scheme, the acquired data stored in the microcontroller are acquired data at the current moment and acquired data at the previous moment, and the acquired data are iteratively updated once step a is repeated for every two times, wherein the acquired data comprise portrait information D, a pressure value A1 and a weight value B1; or portrait information D, pressure value a2 and weight value B2. In practical application, the situation that passengers change frequently occurs when a vehicle is in a parking state but an engine is started, in the scheme, the step a is repeated at intervals of a certain time, and the latest two times of passenger state information is stored so as to make sufficient data preparation for whether an alarm is given or not, so that false alarm is avoided, and meanwhile, a large amount of memory space in a microcontroller is not occupied.

In a preferred embodiment, the portrait information D further includes a picture including a human body, a human body temperature corresponding to the time of acquiring the picture, a picture acquisition time, and a picture size. Adopt first infrared camera and the cooperation of second infrared camera, can gather the portrait in real time on the one hand, tentatively judge the human quantity on the vehicle back-row seat, on the other hand accessible human body temperature further confirms whether the human body is real people, gets rid of the interference item of humanoid toy etc. to avoid taking place the wrong report.

In a preferred embodiment, the method further comprises: the flashing lamp is arranged on the frame of the vehicle interior rearview mirror and is electrically connected with the microcontroller; if the current acquisition data stored in the microcontroller is as follows: the number of human bodies in the portrait information D is more than or equal to 1, the pressure value A1 is more than 0, and the weight value B1 is less than or equal to 50 kilograms; or the number of the human bodies in the portrait information D is more than or equal to 1, the pressure value A2 is more than 0, and the weight value B2 is more than 0; and when the microcontroller receives an engine closing signal, the microcontroller controls the flashing lamp to flash. In this scheme, set up a miniature flashing lamp on the frame of inside vehicle rear-view mirror, when the data collection of step a and analysis obtain the condition that has children to take a seat on the vehicle back row seat, when vehicle engine closed, with the mode suggestion navigating mate through the flashing lamp scintillation and see to the rear-view mirror, with tentatively reminding the vehicle back row have children, just propose the warning to it when the driver does not leave the vehicle, with the risk that tentatively reduces children and be forgotten.

In a preferred embodiment, the method further comprises: a second temperature sensor for detecting a vehicle outside temperature; the microcontroller is also in communication connection with a glass control assembly of the vehicle; when the microcontroller receives an engine closing signal and a door lock locking signal, the microcontroller starts to acquire and record the door lock locking duration T, and the following step b is carried out: the microcontroller is used for acquiring the distance L between the mobile terminal and a vehicle in communication connection with the mobile terminal in real time; the microcontroller is also used for acquiring a real-time temperature value Q of the temperature sensor and a temperature value Q1 of the second temperature sensor in real time; and comparing and analyzing the acquired data to obtain an analysis result: if the distance L is larger than or equal to 150m, the real-time temperature value Q is smaller than 25 ℃, and Q1 is smaller than 25 ℃, the microcontroller controls the alarm module to generate an alarm instruction and sends the alarm instruction to the voice prompt module of the mobile terminal so as to send out voice prompt; if the distance L is more than or equal to 500m, the real-time temperature value Q is less than 30 ℃, and Q1 is less than 30 ℃, the microcontroller controls the alarm module to generate an alarm instruction and sends the alarm instruction to the voice prompt module of the mobile terminal so as to send out voice prompt; meanwhile, the microcontroller controls and starts the micro air circulator;

if the real-time temperature value Q is larger than 35 ℃, Q1 is larger than or equal to 30 ℃, and T is larger than or equal to 15min, the microcontroller controls the alarm module to dial and alarm and broadcast the position of the vehicle, the dial alarm is timed to be T1 at the same time, and the microcontroller controls the glass lifting assembly to start and controls the window glass to descend to the specified position when T1 is larger than or equal to 5 min. In practical applications, if the vehicle is left unattended and the dangerous condition that children are forgotten in the vehicle is relieved by opening the window to ventilate, the vehicle may be threatened by other external unsafe factors, such as: the invention has the advantages that the children are lost, the finance is lost and the like, therefore, the temperature in the automobile is adjusted by ventilating and ventilating through the miniature air circulator, further dialing alarm is carried out under the condition that the children are not rescued along with the prolonging of time, and the window is opened for ventilation after the dialing alarm is carried out for 5min, so that the time for the vehicle with the window opened for ventilation and the unattended time of the children is shortened, and the generation of new safety problems is effectively prevented.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (8)

1. A warning and rescue system for preventing children from being locked in a vehicle is characterized by comprising:

at least three pairs of first pressure sensors and first gravity sensors, which are provided in pairs on the rear seats;

a plurality of second pressure sensors distributed evenly over the child safety seat; at least one weighing sensor arranged in the middle of a cushion of the child seat;

the miniature air circulator comprises an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are both arranged at a position close to the rear row of seats and are communicated with the inner side and the outer side of the vehicle; a filter screen disposed in the air inlet pipe; the air outlet of the micro air conditioner component is communicated to the filter screen of the air inlet pipe;

the first infrared camera is arranged at the top in the vehicle and close to the rear seat;

the second infrared camera is arranged on the rear side surface of the front row seat;

the microcontroller is in communication connection with at least three pairs of the first pressure sensor, the first gravity sensor, the plurality of second pressure sensors and the at least one weighing sensor respectively; the microcontroller is used for acquiring the pressure value A1 of the first pressure sensor, the weight value B1 of the first gravity sensor, the pressure values A2 of the plurality of second pressure sensors and the weight value B2 of the at least one weighing sensor in real time; the microcontroller is also in communication connection with the vehicle central control platform and is used for acquiring an engine start-stop signal and a vehicle door lock start-stop signal of the vehicle central control platform in real time; the wireless transmission module and the alarm module are in communication connection with the microcontroller; the temperature sensor is in communication connection with the microcontroller;

the switch assembly is arranged on a communication connection circuit of the microcontroller and at least three pairs of the first pressure sensor, the first gravity sensor, the plurality of second pressure sensors and the at least one weighing sensor; the switch assembly also comprises a box body which is detachably arranged on the rear side surface of the rear row of seats and is close to the lower end of the rear row of seats; the multiple groups of circuit switches are respectively correspondingly connected with communication connecting circuits of the on-off microcontroller, at least three pairs of first pressure sensors and first gravity sensors, the multiple second pressure sensors and at least one weighing sensor, and when the switches of the microcontroller, the multiple second pressure sensors and the at least one weighing sensor, which are in communication connection, are closed, the switches of the first pressure sensors and the first weighing sensors, which are in communication connection, in the rear seat below the child safety seat are disconnected;

the mobile terminal is in wireless communication connection with the microcontroller, and is also provided with a voice prompt module;

when the microcontroller receives a door lock opening signal and an engine starting signal, the following steps are carried out: the microcontroller controls and starts the first infrared camera and the second infrared camera to acquire and store portrait information D on the back row of seats, and the microcontroller also acquires and stores a current pressure value A1, a weight value B1, a current pressure value A2 and a weight value B2 in real time; and comparing and analyzing the acquired data to obtain an analysis result:

if the number of the human bodies in the portrait information D is more than or equal to 1, the pressure value A1 is more than 0, and the weight value B1 is less than or equal to 50 kilograms; and/or the number of human bodies in the portrait information D is more than or equal to 1, the pressure value A2 is more than 0, and the weight value B2 is more than 0; repeating the step a once every a certain time t;

until the microcontroller receives the engine closing signal and the door lock locking signal, the microcontroller starts to acquire and record the door lock locking duration T, and the following step b is carried out:

the microcontroller is used for acquiring the distance L between the mobile terminal and a vehicle in communication connection with the mobile terminal in real time;

the microcontroller is also used for acquiring a real-time temperature value Q of the temperature sensor in real time;

and comparing and analyzing the acquired data to obtain an analysis result: if the distance L is more than or equal to 80m and the time length T is less than 3min, the microcontroller controls an alarm module to generate an alarm instruction and sends the alarm instruction to a voice prompt module of the mobile terminal so as to send out a voice prompt; if the distance L is more than or equal to 300m, the time length is more than 3min and less than T and less than 10min, or the real-time temperature value is more than 20 ℃ and less than Q and less than 30 ℃, the microcontroller controls the alarm module to generate an alarm instruction and sends the alarm instruction to the voice prompt module of the mobile terminal so as to send out voice prompt; meanwhile, the microcontroller controls and starts the micro air circulator; if the real-time temperature value Q is larger than 32 ℃, the microcontroller controls the alarm module to dial for alarm and broadcast the position of the vehicle.

2. The warning and rescue system for preventing children from being locked in a vehicle of claim 1, further comprising:

the first spherical box body is arranged in a first super-hemispherical accommodating groove in the top in the vehicle in an embedded manner, and the first infrared camera is arranged in the first spherical box body in an embedded manner; a pair of first rotating shafts respectively disposed at both sides of the first spherical case; the pair of first through holes are formed in the side wall of the first super-hemispherical accommodating groove, and the pair of first rotating shafts are matched and rotatably arranged in the pair of first through holes; the first steering engine drives the pair of first rotating shafts to drive the first spherical box body to synchronously rotate so that the camera end of the first infrared camera rotates out of or into the first hyper-hemispherical accommodating groove;

the second spherical box body is embedded in a second super-hemispherical accommodating groove in the rear side surface of the rear row seat of the vehicle, and the second infrared camera is embedded in the second spherical box body; a pair of second rotating shafts respectively disposed at both sides of the second spherical case; the pair of second through holes are formed in the side wall of the second super-hemispherical accommodating groove, and the pair of second rotating shafts are matched and rotatably arranged in the pair of second through holes; the second steering engine drives the pair of second rotating shafts to drive the second spherical box body to synchronously rotate so that the camera end of the second infrared camera rotates out of or into the second super-hemispherical accommodating groove;

when the microcontroller receives a vehicle door lock opening signal and receives an engine starting signal, the microcontroller controls to start the first infrared camera and the second infrared camera, and the first steering engine and the second steering engine synchronously rotate the first spherical box body and the second spherical box body.

3. The warning and rescue system for preventing children from being locked in a vehicle as claimed in claim 1, wherein the certain time t is 7-12 min.

4. The warning and rescue system for preventing children from being locked in a vehicle of claim 1, wherein the first spherical box has a diameter of less than 5 cm; the diameter of the second spherical box body is less than 3 cm.

5. The warning and rescuing system for preventing children from being locked in a vehicle as claimed in claim 1, wherein the collected data stored in the microcontroller are collected data at the current time and collected data at the previous time, and the collected data are iteratively updated once every two times step a is repeated, and the collected data include portrait information D, pressure value a1 and weight value B1;

or portrait information D, pressure value a2 and weight value B2.

6. The system of claim 1, wherein the portrait information D further includes a picture including a human body, a body temperature corresponding to a time when the picture is captured, a picture capturing time and a picture size.

7. The warning and rescue system for preventing children from being locked in a vehicle of claim 6, further comprising:

the flashing lamp is arranged on the frame of the vehicle interior rearview mirror and is electrically connected with the microcontroller;

if the current acquisition data stored in the microcontroller is as follows: the number of human bodies in the portrait information D is more than or equal to 1, the pressure value A1 is more than 0, and the weight value B1 is less than or equal to 50 kilograms; or the number of the human bodies in the portrait information D is more than or equal to 1, the pressure value A2 is more than 0, and the weight value B2 is more than 0; when the microcontroller receives the engine off signal, the microcontroller controls the flashing light to flash.

8. The warning and rescue system for preventing children from being locked in a vehicle of claim 1, further comprising:

a second temperature sensor for detecting a vehicle outside temperature;

the microcontroller is also in communication connection with a glass control assembly of the vehicle;

when the microcontroller receives an engine closing signal and a door lock locking signal, the microcontroller starts to acquire and record the door lock locking duration T, and the following step b is carried out:

the microcontroller is used for acquiring the distance L between the mobile terminal and a vehicle in communication connection with the mobile terminal in real time;

the microcontroller is also used for acquiring a real-time temperature value Q of the temperature sensor and a temperature value Q1 of the second temperature sensor in real time;

and comparing and analyzing the acquired data to obtain an analysis result:

if the distance L is larger than or equal to 150m, the real-time temperature value Q is smaller than 25 ℃, and Q1 is smaller than 25 ℃, the microcontroller controls the alarm module to generate an alarm instruction and sends the alarm instruction to the voice prompt module of the mobile terminal so as to send out voice prompt;

if the distance L is more than or equal to 500m, the real-time temperature value Q is less than 30 ℃, and Q1 is less than 30 ℃, the microcontroller controls the alarm module to generate an alarm instruction and sends the alarm instruction to the voice prompt module of the mobile terminal so as to send out voice prompt; meanwhile, the microcontroller controls and starts the micro air circulator;

if the real-time temperature value Q is larger than 35 ℃, Q1 is larger than or equal to 30 ℃, and T is larger than or equal to 15min, the microcontroller controls the alarm module to dial and alarm and broadcast the position of the vehicle, the dial alarm is timed to be T1 at the same time, and the microcontroller controls the glass lifting assembly to start and controls the window glass to descend to the specified position when T1 is larger than or equal to 5 min.

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