CN112428955A - Protection and warning system in child forgetting-prevention car - Google Patents
Protection and warning system in child forgetting-prevention car Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000005303 weighing Methods 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 6
- 230000036760 body temperature Effects 0.000 claims description 4
- 239000005357 flat glass Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010835 comparative analysis Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/01516—Passenger detection systems using force or pressure sensing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
- B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
- B60R21/0153—Passenger detection systems using field detection presence sensors
- B60R21/01538—Passenger detection systems using field detection presence sensors for image processing, e.g. cameras or sensor arrays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/14—Central alarm receiver or annunciator arrangements
Abstract
The invention relates to the technical field of Internet of things, in particular to a protection and warning system for preventing children from forgetting to leave a car, which comprises: a weight sensor group I; a weight sensor group II; a micro air circulator; an infrared camera; the microcontroller is arranged in a rear seat of the vehicle and is in communication connection with the pressure sensor group I and the pressure sensor group II respectively; 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; and the mobile terminal is used for being in wireless communication connection with the microcontroller and is also provided with a voice prompt module. The protection and warning system for preventing the child from being left in the car can solve the problems of incomplete detection and effectively prevent new safety.
Description
Technical Field
The invention relates to the technical field of Internet of things, in particular to a protection and warning system for preventing children from forgetting to enter a car.
Background
In recent years, with the rapid increase of the number of automobiles in China, a plurality of safety problems are brought along. For example, after the owner gets off the vehicle, the child is left in the vehicle, cannot be found in time and cannot take effective rescue measures to cause suffocation death, and the consequences of the events are not imaginable once. The existing device 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; one is to test the car seat and not the child safety seat; 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 protection and warning system for preventing children from being left in a car, which can solve the problems of incomplete detection and effectively prevent new safety.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a child forgetting prevention protection and warning system in a vehicle, including:
the weight sensor group I comprises a plurality of first pressure sensors which are dispersedly arranged on a rear seat of the vehicle; a plurality of first load cells provided in pairs with the plurality of first pressure cells on the rear seat of the vehicle;
the weight sensor group II comprises a plurality of second pressure sensors, the second pressure sensors are arranged on a child safety seat, and the child safety seat is detachably arranged on a rear seat of the vehicle; a plurality of second load cells provided in pairs with the plurality of second pressure cells on the rear seats of the vehicle;
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 the position close to the rear row of seats; 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 infrared camera is arranged on the rear side surface of the front seat;
the microcontroller is arranged in a rear seat of the vehicle, the microcontroller is respectively in communication connection with the weight sensor group I and the weight sensor group II, and when the microcontroller is in communication connection with the weight sensor group II, a first pressure sensor and a first weighing sensor in the rear seat below the child safety seat are in a closed state; the microcontroller is used for acquiring a pressure value A1 and a weight value B1 of the weight sensor group I, a pressure value A2 and a weight value B2 of the weight sensor group II in real time, and is in communication connection with the vehicle central control platform and 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 mobile terminal is used for being 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 infrared camera to collect and store portrait information D on the back row of seats, and the microcontroller also collects 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 100m, the time length T is less than 3min or the real-time temperature value Q is less 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 time length is more than 3min and less than T and less than 10min, or the real-time temperature value Q 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 30 ℃, the microcontroller controls the alarm module to dial for alarm and broadcast the position of the vehicle.
Preferably, in step a, if the number of human bodies in the portrait information D is 0, the microcontroller controls to turn off the weight sensor group i, the weight sensor group ii and the infrared camera.
Preferably, the certain time t is 5-10 min.
Preferably, in the step a, the microcontroller controls the alarm module to generate an alarm instruction to establish communication connection with the voice prompt module of the mobile terminal in an automatic dialing manner so as to send out voice prompt.
Preferably, each time step a is repeated, the collected data stored in the microcontroller is updated iteratively, wherein the collected data comprises the portrait information D, the pressure value A1 and the weight value B1;
or portrait information D, pressure value a2 and weight value B2.
Preferably, the portrait information D further includes a photograph including a human body, and the human body temperature corresponding to the time when the photograph is taken.
Preferably, the method further comprises the following steps: the flashing lamp is arranged on the top of the vehicle above a rear seat of the vehicle, arranged towards an interior rearview mirror and 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.
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 a vehicle central control platform, and can independently control and acquire information related to the pressure sensor group I, the pressure sensor group II, the micro air circulator and the infrared camera; the weighing sensor group I and the weighing sensor group II are respectively used for detecting the pressure and the weight of a rear seat of a vehicle and a child safety seat, the first pressure sensor and the first weight sensor at corresponding positions can be selected to be communicated and connected to the microcontroller according to whether the child safety seat is installed or not, when the child safety seat is installed, the first pressure sensor and the first weight sensor at corresponding positions below the child safety seat do not acquire pressure values and weight values any more, and when the child safety seat is not installed, only the detection data of the weighing 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 receive engine start signal after, the microcontroller is through constantly repeatedly gathering the relevant information of gathering that weighing sensor group I, weighing sensor group II and infrared camera obtained, after comparative analysis again, can constantly update the human information of storage on the current vehicle back seat, for example: 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 diagram of a protection and warning system in a child forgetting prevention car according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a microcontroller communicatively coupled to a weight sensor set I according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a microcontroller communicatively coupled to a set of ballast sensors i and a set of ballast sensors ii according to an embodiment of the present 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. 1-3, a protection and warning system for preventing children from forgetting to leave a car comprises:
the weight sensor group I comprises a plurality of first pressure sensors which are dispersedly arranged on a rear seat of the vehicle; a plurality of first load cells provided in pairs with the plurality of first pressure cells on the rear seat of the vehicle;
the weight sensor group II comprises a plurality of second pressure sensors, the second pressure sensors are arranged on a child safety seat, and the child safety seat is detachably arranged on a rear seat of the vehicle; a plurality of second load cells provided in pairs with the plurality of second pressure cells on the rear seats of the vehicle;
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 the position close to the rear row of seats; 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 infrared camera is arranged on the rear side surface of the front seat;
the microcontroller is arranged in a rear seat of the vehicle, the microcontroller is respectively in communication connection with the weight sensor group I and the weight sensor group II, and when the microcontroller is in communication connection with the weight sensor group II, a first pressure sensor and a first weighing sensor in the rear seat below the child safety seat are in a closed state; the microcontroller is used for acquiring a pressure value A1 and a weight value B1 of the weight sensor group I, a pressure value A2 and a weight value B2 of the weight sensor group II in real time, and is in communication connection with the vehicle central control platform and 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 microcontroller is electrically connected with the vehicle-mounted storage battery, is relatively independent of a vehicle central control platform, and can independently control and acquire information related to the pressure sensor group I, the pressure sensor group II, the micro air circulator and the infrared camera; the weighing sensor group I and the weighing sensor group II are respectively used for detecting the pressure and the weight of a rear seat of a vehicle and a child safety seat, the first pressure sensor and the first weight sensor at corresponding positions can be alternatively communicated and connected to the microcontroller according to whether the child safety seat is installed or not, as shown in fig. 3, when the child safety seat is installed, the first pressure sensor and the first weight sensor at corresponding positions below the child safety seat do not acquire pressure values and weight values any more, as shown in fig. 2, and when the child safety seat is not provided, only the detection data of the weighing 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 receive engine start signal after, the microcontroller is through constantly repeatedly gathering the relevant information of gathering that weighing sensor group I, weighing sensor group II and infrared camera obtained, after comparative analysis again, can constantly update the human information of storage on the current vehicle back seat, for example: 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 used for being 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 infrared camera to collect and store portrait information D on the back row of seats, and the microcontroller also collects 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 and generates a signal for judging whether the engine stops running or not and transmits a corresponding signal to the microcontroller,
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; 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 100m, the time length T is less than 3min, or the distance L is more than or equal to 100m, and the real-time temperature value Q is less 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; in the above condition, firstly, the judgment is made according to the distance L and the car locking duration, and the driver may leave the child 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 500m, 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 500m, and the real-time temperature value Q 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; 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 on the seats, a timely reminding function is played when a driver gets off the vehicle 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.
In a preferred embodiment, in step a, if the number of human bodies in the portrait information D is 0, the microcontroller controls to turn off the group of weight sensors i, the group of weight sensors ii and the infrared camera in response to the fact that no person is seated on the rear seat of the vehicle. The microcontroller controls to close the related detection assembly without preparation actions of protection and warning.
In a preferred embodiment, the certain time t is 5-10 min. Repeating the step a once every 5min, 7min or 10min to conveniently verify and update the information of the passengers at the rear seats of the vehicle at any time, avoiding the change of the passengers in the using process of the vehicle,
in a preferred scheme, in the step a, the microcontroller controls the alarm module to generate an alarm instruction to establish communication connection with a voice prompt module of the mobile terminal in an automatic dialing mode so as to send out voice prompt. 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 preferable scheme, each time step a is repeated, the acquired data stored in the microcontroller is updated iteratively, wherein the acquired data comprises the portrait information D, the pressure value A1 and the weight value B1;
or portrait information D, pressure value a2 and weight value B2. In practical application, when the vehicle is in a parking state but the engine is started, the passengers often change, in the scheme, the step a is repeated at intervals of a certain time, and the latest passenger state information is stored so as to make sufficient data preparation for whether to give an alarm or not so as to avoid false alarm.
In a preferred embodiment, the portrait information D further includes a photograph containing a human body, and the body temperature of the human body corresponding to the photograph is acquired at the moment. Adopt infrared camera, but on the one hand real-time acquisition portrait, the human quantity on the vehicle back row seat is tentatively judged, and 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 top of the vehicle above a rear seat of the vehicle, arranged towards an interior rearview mirror and 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 towards interior rear-view mirror, when the data collection and the analysis of step a obtain the vehicle back row seat on have children to bear under the condition of sitting, when the vehicle engine was closed to the mode suggestion vehicle back row that flashes through the flashing lamp has children, just provides the warning to it when the driver does not leave the vehicle, in order to reduce the risk that children were forgotten in preliminary.
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. The utility model provides a protection and warning system in children's anti-forgetting car which characterized in that includes:
the weight sensor group I comprises a plurality of first pressure sensors which are dispersedly arranged on a rear seat of the vehicle; a plurality of first load cells provided in pairs with the plurality of first pressure cells on the rear seat of the vehicle;
the weight sensor group II comprises a plurality of second pressure sensors, the second pressure sensors are arranged on a child safety seat, and the child safety seat is detachably arranged on a rear seat of the vehicle; a plurality of second load cells provided in pairs with the plurality of second pressure cells on the rear seats of the vehicle;
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 the position close to the rear row of seats; 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 infrared camera is arranged on the rear side surface of the front seat;
the microcontroller is arranged in a rear seat of the vehicle, the microcontroller is respectively in communication connection with the weight sensor group I and the weight sensor group II, and when the microcontroller is in communication connection with the weight sensor group II, a first pressure sensor and a first weighing sensor in the rear seat below the child safety seat are in a closed state; the microcontroller is used for acquiring a pressure value A1 and a weight value B1 of the weight sensor group I, a pressure value A2 and a weight value B2 of the weight sensor group II in real time, and is in communication connection with the vehicle central control platform and 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 mobile terminal is used for being 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 infrared camera to collect and store portrait information D on the back row of seats, and the microcontroller also collects 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 100m, the time length T is less than 3min or the distance L is more than or equal to 100m, and the real-time temperature value Q is less 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 time length is more than 3min and less than T and less than 10min, or the distance L is more than or equal to 500m and the real-time temperature value Q 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 30 ℃, the microcontroller controls the alarm module to dial for alarm and broadcast the position of the vehicle.
2. The system for protecting and warning in a child forgetting-preventing car as claimed in claim 1, wherein in the step a, if the number of human bodies in the portrait information D is 0, the microcontroller controls to turn off the weight sensor group i, the weight sensor group ii and the infrared camera.
3. The system for protecting and warning in a child forgetting-prevention car as claimed in claim 1, wherein the certain time t is 5-10 min.
4. The system for protecting and warning children in a car against forgetting as claimed in claim 1, wherein in step a, the microcontroller controls the alarm module to generate an alarm command to establish a communication connection with the voice prompt module of the mobile terminal in an automatic dialing manner so as to send out a voice prompt.
5. The system for protecting and warning children from forgetting to leave them in a car according to claim 1, wherein, each time step a is repeated, the collected data stored in the microcontroller is updated iteratively, and the collected data includes the portrait information D, the pressure value a1 and the weight value B1;
or portrait information D, pressure value a2 and weight value B2.
6. The system for protecting and warning in a child anti-forgetting car according to claim 1, wherein the portrait information D further includes a photo containing a human body, and the body temperature corresponding to the photo is acquired at the moment.
7. The system for protecting and warning in a child forgetting-prevention car according to claim 6, further comprising:
the flashing lamp is arranged on the top of the vehicle above a rear seat of the vehicle, arranged towards an interior rearview mirror and 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.
8. The system for protecting and warning in a child forgetting-prevention car according to 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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