CN104999963A - In-car child early warning device based on STM32 - Google Patents
In-car child early warning device based on STM32 Download PDFInfo
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- CN104999963A CN104999963A CN201510527986.2A CN201510527986A CN104999963A CN 104999963 A CN104999963 A CN 104999963A CN 201510527986 A CN201510527986 A CN 201510527986A CN 104999963 A CN104999963 A CN 104999963A
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Abstract
The invention provides an in-car child early warning device based on STM32, belongs to the field of saloon car safety pre-warning. The in-car child early warning device comprises an STM32 master controller, a power supply and protection module, a control and detection module, a liquid crystal display module, a wireless communication module and an automatic alarm module, wherein the power supply and protection module adopts a switching power supply based on a soft starting circuit and an automatic recovery circuit; the control and detection module comprises a speed sensor, a minute timer and a temperature sensor; the liquid crystal display module comprises a bus mode, a liquid crystal display (1) and a liquid crystal display (2); the wireless communication module comprises an infrared scanner, a wireless communication device, an infrared scanning image, image identification, a mobile phone receiver and a signal converter; the automatic alarm module comprises a voice alarm apparatus, a hazard warning lamp and door automatic unlocking. According to the device provided by the invention, an in-car image can be traced and detected during parking, the accuracy of system detection is high, the control is stable, and the aim of in-car child early warning can be fully achieved.
Description
Technical field
The invention belongs to car safe early warning field, be specifically related to a kind of based on children's prior-warning device in the car of STM32.
Background technology
Along with socioeconomic fast development, the quick raising of people's living standard, car progresses into ordinary citizen house due to the comfort feature used, but, because the closure of family saloon and key control and the head of a family are to the negligence of the children that sleep soundly in car, result in and a lot ofly cause heatstroke or dead miserable case of suffocating because of the only Liu Chenei overlong time of children.
It is reported, just there is multiple case in nearly six months, and on April 1st, 2015, Shanghai one father went out working overlong time, forgot that oneself one-year-old half daughter is also in car, has suffocated during discovery dead; On June 27th, 2015, Nanning one boy was dead in stranded car because the head of a family is negligent of finding; The same time, Xiangtan, Hunan Province one or four years old boy breed a tragedy because child is forgotten overlong time in car to the head of a family; In addition, there is the case that in the long-time stranded car of children, high temperature is dead in Linyi one kindergarten, Shandong on the 12nd July in 2015; There is again a cause and forget and cause the situation of young girl's brain death in 5 years old in Fuping, Shaanxi on the 23rd July in 2015.
As can be seen here, children are caused not circulate except car inner sealing environmental gas in major cause dead in car and quick heating in car, except temperature height, also have the negligence of the head of a family and forget for a long time.Therefore, child safety prior-warning device in a kind of car is designed extremely urgent.
Summary of the invention
The object of this invention is to provide a kind of based on children's prior-warning device in the car of STM32, when stopping with tracing detection, image in car, reaches the object of the timely early warning of children in car.
In order to achieve the above object, the technical solution adopted in the present invention is:
Based on children's prior-warning device in the car of STM32, comprise STM32 master controller, described STM32 master controller connects power supply and protection module, leak control and check module, LCD MODULE, wireless communication module and automatic alarm module; Described power supply and protection module adopt the Switching Power Supply based on soft starting circuit, pulse width modulator and automatic restoring circuit, are powered by vehicle body electric power system; Described leak control and check module comprises speed sensor, every minute and second time meter, temperature sensor; Described LCD MODULE comprises bus mode, Liquid Crystal Display (1) and Liquid Crystal Display (2); Described wireless communication module comprises infrared scanner and radio communication instrument, and described radio communication instrument comprises infrared scan image, image recognition, image converter, picture projector, electromagnetic wave signal, handset receiver, signal converter, picture of mobile telephone and Forewarning Measures; Described automatic alarm module comprises phonetic alarm, hazard warning lamp, car door automatic unlocking.
Described soft starting circuit adopts soft start electric capacity, protects for starting circuit; When described automatic restoring circuit is out of control for circuit conditioning, power reset recovers; Described speed sensor adopts DJS11 locomotive speed sensor, and when detecting that the speed of a motor vehicle is zero, whole system is started working, and when car starts, quits work; Described every minute and second time meter adopts DS1302 clock chip, for Meter Parking time and detection time; Described temperature sensor adopts DS18B20 temperature sensor, when parking more than ten minutes or car temperature more than 38 degree time, automatically start infrared scanner and radio communication instrument, when detection time more than in 10 minutes or car without children time, system is closed automatically, restarts after 30 minutes; Described Liquid Crystal Display (1) and Liquid Crystal Display (2) adopt 1602 liquids double-rows crystal displays, are installed on body exterior, and carry rain insensitive device, are respectively used to display timing time and car temperature value; Whether described infrared scanner adopts human body pyroelectricity infrared pickoff, for existing by lock children in inspection vehicle; Described radio communication instrument adopts E6621APXT radio communication detector, and infrared scan image is after image recognition, and Ruo Chenei exists children, and radio communication instrument can send infrared scan image in car from the mobile phone that trend is pre-set, to take necessary Forewarning Measures; Described phonetic alarm and hazard warning lamp are installed on body exterior, for sending out early warning information to passerby.
The present invention's beneficial effect is compared with prior art embodied in:
The present invention adopts STM32 high performance chips as master controller, can omit external number weighted-voltage D/A converter, realizes accurately detecting and steadily controlling; Adopt soft starting circuit to realize smooth starting, reduce cranking voltage and impact; Automatic restoring circuit is adopted to achieve system power failure protection and the double effects of restarting of lacking of proper care; Adopt speed sensor to ensure that the accuracy of detection time, when only having the speed of a motor vehicle to be zero, just start timing and thermometric, starter gear in driving can be prevented; Adopt every minute and second time meter and temperature sensor simultaneously, can prevent because parking period is long or vehicle interior temperature is too high and cause children in car to suffocate; The collocation of infrared scanner and radio communication instrument uses, and both can improve the accuracy of infrared scan image recognition, can shorten the picture transfer time again, realize best early warning; Adopting the phonetic alarm and the hazard warning lamp that are installed on body exterior, for sending early warning information to passerby, the object of multiple early warning and rescue in time can be realized.
This device is installed on position, car inner top middle, and adopts 360 degree of detection modes, is convenient to image in comprehensive inspection vehicle, does not stay dead angle; This device electric power system adopts car self generating system, and carries device with the vehicle body such as drive recorder, navigating instrument, reversing reflection and belong to complete coordination, and circuit is mutually isolated each other, is independent of each other, and can prevent circuit confusion phenomena; In addition, this device carries out 30 minutes intervals according to timing time and detects, and both can save electric energy, and can prevent again children from repeating into the car; In addition, because this device adopts device price comparison moderate, therefore this installation cost is low, and economic investment is reasonable.
In reality test, this device can to detect when stopping image in car by real-time tracking, and systems axiol-ogy precision is high, it is stable to control, and can reach the object of children's early warning in car completely, is adapted at using in car.
Accompanying drawing explanation
Fig. 1 is that the present invention is a kind of based on children's prior-warning device the general frame in the car of STM32.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail:
As shown in Figure 1, a kind ofly comprise STM32 master controller based on children's prior-warning device in the car of STM32, described STM32 master controller connects power supply and protection module, leak control and check module, LCD MODULE, wireless communication module and automatic alarm module, described power supply and protection module adopt the Switching Power Supply based on soft starting circuit, pulse width modulator and automatic restoring circuit, powered by vehicle body electric power system, described soft starting circuit adopts soft start electric capacity, for starting circuit protection, when described automatic restoring circuit is out of control for circuit conditioning, power reset recovers, described leak control and check module comprises speed sensor, every minute and second time meter, temperature sensor, described speed sensor adopts DJS11 locomotive speed sensor, when detecting that the speed of a motor vehicle is zero, whole system is started working, when car starts, quit work, described every minute and second time meter adopts DS1302 clock chip, for Meter Parking time and detection time, described temperature sensor adopts DS18B20 temperature sensor, when parking more than ten minutes or car temperature more than 38 degree time, automatic startup infrared scanner and radio communication instrument, when detection time more than in 10 minutes or car without children time, system is closed automatically, restart after 30 minutes, described LCD MODULE comprises bus mode, Liquid Crystal Display (1) and Liquid Crystal Display (2), described Liquid Crystal Display (1) and Liquid Crystal Display (2) adopt 1602 liquids double-rows crystal displays, be installed on body exterior, and carry rain insensitive device, be respectively used to display timing time and car temperature value, described wireless communication module comprises infrared scanner and radio communication instrument, described radio communication instrument comprises infrared scan image, image recognition, image converter, picture projector, electromagnetic wave signal, handset receiver, signal converter, picture of mobile telephone and Forewarning Measures, described infrared scanner adopts human body pyroelectricity infrared pickoff, for whether existing by lock children in inspection vehicle, described radio communication instrument adopts E6621APXT radio communication detector, infrared scan image is after image recognition, there are children in Ruo Chenei, radio communication instrument can send infrared scan image in car from the mobile phone that trend is pre-set, to take necessary Forewarning Measures, described automatic alarm module comprises phonetic alarm, hazard warning lamp, car door automatic unlocking, and described phonetic alarm and hazard warning lamp are installed on body exterior, for sending early warning information to passerby.
Claims (6)
1. based on children's prior-warning device in the car of STM32, comprise STM32 master controller, described STM32 master controller connects power supply and protection module, leak control and check module, LCD MODULE, wireless communication module and automatic alarm module; Described power supply and protection module adopt the Switching Power Supply based on soft starting circuit, pulse width modulator and automatic restoring circuit, are powered by vehicle body electric power system; Described leak control and check module comprises speed sensor, every minute and second time meter, temperature sensor; Described LCD MODULE comprises bus mode, Liquid Crystal Display (1) and Liquid Crystal Display (2); Described wireless communication module comprises infrared scanner and radio communication instrument, and described radio communication instrument comprises infrared scan image, image recognition, image converter, picture projector, electromagnetic wave signal, handset receiver, signal converter, picture of mobile telephone and Forewarning Measures; Described automatic alarm module comprises phonetic alarm, hazard warning lamp, car door automatic unlocking.
2. according to claim 1 a kind of based on children's prior-warning device in the car of STM32, it is characterized in that: described soft starting circuit adopts soft start electric capacity, protects for starting circuit; When described automatic restoring circuit is out of control for circuit conditioning, power reset recovers.
3. according to claim 1 a kind of based on children's prior-warning device in the car of STM32, it is characterized in that: described speed sensor adopts DJS11 locomotive speed sensor, and when detecting that the speed of a motor vehicle is zero, whole system is started working, when car starts, quit work; Described every minute and second time meter adopts DS1302 clock chip, for Meter Parking time and detection time; Described temperature sensor adopts DS18B20 temperature sensor, when parking more than ten minutes or car temperature more than 38 degree time, automatically start infrared scanner and radio communication instrument, when detection time more than in 10 minutes or car without children time, system is closed automatically, restarts after 30 minutes.
4. according to claim 1 a kind of based on children's prior-warning device in the car of STM32, it is characterized in that: described Liquid Crystal Display (1) and Liquid Crystal Display (2) adopt 1602 liquids double-rows crystal displays, be installed on body exterior, and carry rain insensitive device, be respectively used to display timing time and car temperature value.
5. according to claim 1 a kind of based on children's prior-warning device in the car of STM32, it is characterized in that: described infrared scanner adopts human body pyroelectricity infrared pickoff, for whether existing by lock children in inspection vehicle; Described radio communication instrument adopts E6621APXT radio communication detector, and infrared scan image is after image recognition, and Ruo Chenei exists children, and radio communication instrument can send infrared scan image in car from the mobile phone that trend is pre-set, to take necessary Forewarning Measures.
6. according to claim 1 a kind of based on children's prior-warning device in the car of STM32, it is characterized in that: described phonetic alarm and hazard warning lamp are installed on body exterior, for sending out early warning information to passerby.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510527986.2A CN104999963A (en) | 2015-08-24 | 2015-08-24 | In-car child early warning device based on STM32 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510527986.2A CN104999963A (en) | 2015-08-24 | 2015-08-24 | In-car child early warning device based on STM32 |
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| CN104999963A true CN104999963A (en) | 2015-10-28 |
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| CN201510527986.2A Pending CN104999963A (en) | 2015-08-24 | 2015-08-24 | In-car child early warning device based on STM32 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487079A (en) * | 2015-12-11 | 2016-04-13 | 成都翰兴科技有限公司 | Gain flash-lamp type underground parking lot backing auxiliary system |
| CN107891806A (en) * | 2017-10-13 | 2018-04-10 | 信利光电股份有限公司 | A kind of Vehicle security system and its application method |
| CN108238000A (en) * | 2016-12-27 | 2018-07-03 | 比亚迪股份有限公司 | Prevent children from locking in interior guard system and means of defence and vehicle |
| CN108263325A (en) * | 2018-02-01 | 2018-07-10 | 武汉理工大学 | A kind of interior omission life entity detecting system based on image processing techniques |
| CN109341862A (en) * | 2018-09-20 | 2019-02-15 | 南通理工学院 | It is a kind of that children is prevented to be stranded the alarm device in vehicle |
| CN114973623A (en) * | 2022-05-16 | 2022-08-30 | 东莞福泽尔电子科技有限公司 | School bus safety monitoring system |
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| KR20000020118A (en) * | 1998-09-17 | 2000-04-15 | 정몽규 | Device for protecting children for vehicle |
| CN202995965U (en) * | 2012-12-03 | 2013-06-12 | 浙江海洋学院 | A warning device for a school bus |
| CN203825779U (en) * | 2014-05-19 | 2014-09-10 | 韶关市迅安安防科技有限公司 | Alarming apparatus for child left inside a vehicle |
| CN104348348A (en) * | 2014-10-10 | 2015-02-11 | 皖西学院 | Simple soft start circuit |
| CN204870734U (en) * | 2015-08-24 | 2015-12-16 | 安徽理工大学 | Children early warning device in car based on STM32 |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20000020118A (en) * | 1998-09-17 | 2000-04-15 | 정몽규 | Device for protecting children for vehicle |
| CN202995965U (en) * | 2012-12-03 | 2013-06-12 | 浙江海洋学院 | A warning device for a school bus |
| CN203825779U (en) * | 2014-05-19 | 2014-09-10 | 韶关市迅安安防科技有限公司 | Alarming apparatus for child left inside a vehicle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105487079A (en) * | 2015-12-11 | 2016-04-13 | 成都翰兴科技有限公司 | Gain flash-lamp type underground parking lot backing auxiliary system |
| CN108238000A (en) * | 2016-12-27 | 2018-07-03 | 比亚迪股份有限公司 | Prevent children from locking in interior guard system and means of defence and vehicle |
| CN107891806A (en) * | 2017-10-13 | 2018-04-10 | 信利光电股份有限公司 | A kind of Vehicle security system and its application method |
| CN108263325A (en) * | 2018-02-01 | 2018-07-10 | 武汉理工大学 | A kind of interior omission life entity detecting system based on image processing techniques |
| CN109341862A (en) * | 2018-09-20 | 2019-02-15 | 南通理工学院 | It is a kind of that children is prevented to be stranded the alarm device in vehicle |
| CN114973623A (en) * | 2022-05-16 | 2022-08-30 | 东莞福泽尔电子科技有限公司 | School bus safety monitoring system |
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Application publication date: 20151028 |
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