CN201446913U - Alarm for children left in vehicles - Google Patents

Abstract

The utility model relates to an alarm for children left in vehicles. The alarm comprises a main processor, an LED (light-emitting diode) display, an opening/locking sensor for a vehicle door, pressure sensors, an alarm and a delay circuit, wherein the pressure sensor 1 is mounted on the first step of the vehicle door; and the pressure sensor 2 is mounted on the second step of the vehicle door. The opening and locking states of the vehicle door are induced by the opening/locking sensor for the vehicle door; and the main processor can judge whether the children are getting on or getting off according to the successive induction orders of the pressure sensors. If the judgment result is 'getting on', one is added on the total number of the children, and if the judgment result is 'getting off', one is subtracted from the total number. When inducing the signal of locking, the main processor judges and processes the total number of the people on the vehicle; when the number is zero, the main processor does not output signals, and the alarm and the delay circuit do not operate; and when the number is larger than zero, output signals are generated and act on the alarm and the delay circuit to enable the alarm and the delay circuit to operate.

Description

Children are detained annunciator in the car

(1) technical field

The utility model relates to child safety protection field, is specifically related to a kind of annunciator of auto alarm in children are detained car the time.

(2) background technology

Along with expanding economy, current society, father and mother all go to work, and children will take school bus and come and go the kindergarten.When getting off, children are because fond of play, and the other reasons that perhaps falls asleep or the like is easy to be stranded on the car, and at this time, if teacher and driver do not fulfil one's duty, children will pass into silence in car.Because child age is too little, be ignorant of to such an extent that save oneself, long-time after, less air and higher temperature can make the children that are trapped in the car suffocate in the car, even threat to life.2007, this type of incident was just once a plurality of local generations.May 29, Anhui is because of picking vehicle driver's gross negligence of student, and Feidong County, Anhui Province " kindergarten, blue sky " 3 years old child was detained in the school bus 6 hours, and final stupor is dead.Jinan, Shandong on the 8th in August 5 years old children Wu Ziyu in the bilingual kindergarten of Ginza picked child's two teachers and driver and forgets after reaching 9 hours on the osed top regular bus and plunge to death.August 20,1 years old 08 months child Tang Chongshu is only in Foshan, is forgotten on the school bus of Fu Jing kindergarten, the white mud in Sanshui District town stranded nearly 6 hours and suffocate while still alive by being picked teacher.The life of three as flower is from us in the short some months.For above-mentioned tragedy is no longer taken place, when strong request kindergarener and driver were careful and responsible, the utility model provided a kind of annunciator that can auto alarm can be in children are detained car the time, for children's safety has increased one deck guarantee.

(3) summary of the invention

The utility model provides a kind of children to be detained annunciator in the car in order to overcome the deficiency of above technology.

The utility model is realized by following measure:

A kind of children are detained annunciator in the car, comprising:

Inductor is opened/locked to car door, is arranged near the car door, is used to respond to the driver and whether locks car door and produce signal;

Two pressure sensors, be installed in respectively on first step of car door and second step on, be used to respond to the people whether through step and produce signal;

Primary processor comprises cpu chip that links to each other with power panel and the memory module that links to each other with cpu chip, opens/locks inductor and two pressure sensors with car door and link to each other and be used for receiving, handle above-mentioned signal and send control signal;

Light-emitting diode display links to each other with primary processor, is used to show above-mentioned Signal Processing result;

Annunciator links to each other with primary processor, is used to receive primary processor and sends control signal and send warning; And time delay circuit, link to each other with primary processor, be used to receive primary processor and send control signal.

Principle of work of the present utility model: car door open/lock inductor can respond to car door unlocking condition and sense lock during attitude to the primary processor output signal.Primary processor can be judged in proper order according to the priority induction of pressure sensor and get on the bus or get off.Be to get on the bus, total number of persons adds 1; Get off, total number of persons subtracts 1.And can carry out judgment processing to the total number of persons on the final car.When numeral is 0, output signal not, annunciator is not worked, and when numeral produces output signal greater than 0 the time, acts on the annunciator, makes alarm work.

The utility model has the advantages that, begin to carry out work that time from the Door Lock, if having children to be stranded in the car can in time report to the police, avoid tragedy to take place. LED shows number in real time simultaneously, can be for checking number at any time with car teacher and driver, and the utility model can the real-time oversight school bus the delivery situation, when the delivery overload, report to the police, thereby guaranteed children's safety.

(4) description of drawings

Accompanying drawing 1 is the information flow figure of native system.

Accompanying drawing 2 is distribution graphs of pressure sensor.The direction of getting on the bus shown in the arrow.

(5) specific embodiment

The utility model mainly comprises primary processor, and inductor is opened/locked to light-emitting diode display, car door, pressure sensor and annunciator.Connect into a circuit by transmission line.Pressure sensor 1 is installed on first step of car door, and pressure sensor 2 is installed on second step of car door.Car door is opened/is locked inductor and is installed near the car door.When children's queuing is got on the bus, set foot on first step earlier, pressure sensor produces signal and is transferred to primary processor by 1,2 orders successively induction.It is to get on the bus that primary processor is judged, and total number of persons adds 1, and the data of generation output on the light-emitting diode display.When children's queuing is got off, set foot on second step earlier, pressure sensor produces signal and is transferred to primary processor by 2,1 order successively induction.It is to get off that primary processor is judged, and total number of persons subtracts 1, and the data of generation output on the light-emitting diode display.

When finishing transportation burden, when the driver locks car door, car door is opened/is locked the inductor induction and produce control signal and is transferred to primary processor, make primary processor begin to the total number of persons in the final car promptly the numeral on telltale this moment carry out judgment processing, have the part control signal to be transferred to time delay circuit in addition simultaneously and make time delay circuit work.If do not have children to be detained the final number of Che Neizechenei this moment is 0, primary processor is not exported control signal, and annunciator is not worked; Be detained in the car if any children, then final number is greater than 0 in the car, and primary processor produces the output control signal, makes alarm work.Behind the certain hour, time delay circuit disconnects, the entire circuit power cut-off.And when car door opening, the signal that inductor induction generation was opened/locked to primary processor to car door does not produce effect, and time delay circuit and annunciator are not worked.

Claims (1)

1. children are detained annunciator in the car, it is characterized in that, comprising:

Inductor is opened/locked to car door, is arranged near the car door, is used to respond to the driver and whether locks car door and produce signal;

Two pressure sensors, be installed in respectively on first step of car door and second step on, be used to respond to the people whether through step and produce signal; Primary processor comprises cpu chip that links to each other with power panel and the memory module that links to each other with cpu chip, opens/locks inductor and two pressure sensors with car door and link to each other and be used for receiving, handle above-mentioned signal and send control signal;

Light-emitting diode display links to each other with primary processor, is used to show above-mentioned Signal Processing result;

Annunciator links to each other with primary processor, is used to receive primary processor and sends control signal and send warning; With

Time delay circuit links to each other with primary processor, is used to receive primary processor and sends control signal.

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