CN207337621U - A kind of in-car leaves personal identification pre-alarm system - Google Patents

Abstract

The utility model relates to a kind of in-car and leaves personal identification pre-alarm system, including：One is arranged at the microprocessor of in-car and is connected respectively with the microprocessor and for sending the remote communication module of alarm signal, for detecting the temperature detecting module of vehicle interior temperature, for detecting the air-sensitive detection module of in-car gas, for detect it is in-car whether the human body sensing identification module of someone, for showing the warning message display module of alarm signal, for opening vehicle window, the interlocking module of car light and loudspeaker, for keying in the key-press module of information and power module for power supply.A kind of in-car that the utility model is proposed leaves personal identification pre-alarm system, has the advantages of simple structure and easy realization, and improves the in-car safety for leaving personnel safety.

Description

A kind of in-car leaves personal identification pre-alarm system

Technical field

It the utility model is related to a kind of in-car and leave personal identification pre-alarm system.

Background technology

Increasing with the number of vehicle, vehicle provides a great convenience for trip, but caused by vehicle use Problem gradually highlights, including such as the problems such as traffic congestion, traffic safety.What the use of vehicle was not only brought is that traffic is asked Topic, also with the safety problem of user of service.Such as due to the carelessness of driver or to ambient conditions misjudgment the problem of, make Obtain the in-car body for leaving personnel and life security receives strong influence.

The content of the invention

The purpose of this utility model is to provide a kind of in-car to leave personal identification pre-alarm system, to overcome existing skill Defect present in art.

To achieve the above object, the technical solution of the utility model is：A kind of in-car leaves personal identification early warning and alarming system System, including：One is arranged at the microprocessor of in-car and is connected and for sending the remote of alarm signal with the microprocessor respectively Journey communication module, the temperature detecting module for detecting vehicle interior temperature, the air-sensitive detection module for detecting in-car gas, be used for Detection it is in-car whether the human body sensing identification module of someone, the warning message display module for showing alarm signal, for opening Open the interlocking module, the key-press module for keying in information and the power module for power supply of vehicle window, car light and loudspeaker.

In one embodiment of the utility model, the remote communication module includes a SIM900A units；The SIM900A Unit is connected through an interface circuit with the microprocessor.

In one embodiment of the utility model, the SIM900A units include：SIM900A single channel, serial ports control and PKEYKI draws interface circuit, ADC and LCD display interface circuits, RTC back-up battery circuits, microphone interface circuit, earphone and connects Mouth circuit, RS232 serial ports, SP3232 conversion circuits, lithium battery interface circuit, MP2303 conversion circuits, external power interface electricity Road, power supply reverse connection protection diode, power supply indicator, power switch, TVS power protecting circuits, PWM/IIC/GPIO draw interface Circuit, SIM card holder interface circuit, PIO and STATUS draw interface circuit, SMA antennal interfaces and antenna, network state instruction Lamp, SMF05CESD protection circuits and on/off button.

In one embodiment of the utility model, the temperature detecting module includes a thermistor temperature sensor.

In one embodiment of the utility model, the human body sensing identification module is sensed including a pyroelectric infrared human body Device.

In one embodiment of the utility model, the warning message display module is arranged at in-car glass for vehicle window using one OLED display screen.

In one embodiment of the utility model, the air-sensitive detection module includes a MQ-2 gas sensors.

In one embodiment of the utility model, the interlocking module is connected and uses with vehicle-mounted hazard warning lamp including one In opening the first relay of vehicle-mounted hazard warning lamp, one be connected with vehicle-mounted glass-frame riser and be used to opening the of vehicle window Two relays and one it is connected with vehicle-mounted loudspeaker and for opening the 3rd relay of vehicle-mounted loudspeaker.

In one embodiment of the utility model, the microprocessor includes a STM1055K4T6.

In one embodiment of the utility model, the power module is connected with vehicle-mounted power adapter, and also respectively with institute State remote communication module, temperature detecting module, air-sensitive detection module, human body sensing identification module, warning message display module, connection Dynamic model block, key-press module are connected.

Compared to the prior art, the utility model has the advantages that：One kind that the utility model is proposed is in-car Personal identification pre-alarm system is left, is had the advantages of simple structure and easy realization, improves the in-car safety for leaving personnel safety.

Brief description of the drawings

Fig. 1 is the in-car schematic diagram for leaving personal identification pre-alarm system in the utility model.

Fig. 2 is the schematic diagram of the utility model medium-long range communication module.

Fig. 3 is the circuit diagram of the utility model medium-long range communication module.

Fig. 4 is the utility model medium-long range communication module and the interface circuit figure of microprocessor.

Fig. 5 is the circuit diagram of human body sensing identification module in the utility model.

Fig. 6 is the circuit diagram of temperature detecting module in the utility model.

Fig. 7 is the circuit diagram of warning message display module in the utility model.

Fig. 8 is the circuit diagram of air-sensitive detection module in the utility model.

Fig. 9 is the circuit diagram of key-press module in the utility model.

Figure 10 is the circuit diagram of microprocessor module in the utility model.

Embodiment

Below in conjunction with the accompanying drawings and existing software, the technical solution of the utility model is specifically described.In the explanation During involved existing software be not object that the utility model is protected, the utility model only protects the knot of the device Structure and connection relation.

The utility model provides a kind of in-car and leaves personal identification pre-alarm system, including：Remote communication module, temperature Detection module, air-sensitive detection module, human body sensing identification module, microprocessor module, warning message display module, button mould Block, interlocking module and power supply etc..Temperature detecting module, air-sensitive detection module, human body sensing identification module are formed positioned at in-car To the real time monitoring of environment inside car, microprocessor module and temperature detecting module, air-sensitive detection module, human body sensing identification module It is connected, the monitoring data of temperature detecting module, air-sensitive detection module, human body sensing identification module is analyzed in real time, produces and divide Signal is analysed, which is divided into the different hazard class signals such as early warning, alarm, urgent rescue by signal Analysis.Microprocessor module is pressed Hazard class signal does not carry out telecommunication, or carries out alarm by car light and vehicle-mounted loudspeaker, and passes through vehicle glass Lifter falls glass and ventilates.Alarm is carried out by the way of live automatic alarm and automatic remote alarm are combined to ask Rescue.Live automatic alarm is alarmed to driver, passerby, household, reminds passerby to pay close attention to in-car children, in time rescue or in time Dial local ambulance call.Automatic remote alarm passes through such as short message, reminds among child household is in and is in extreme danger, to adopt in time Rescue measure is taken, ensures children's life security.

Further, in the present embodiment, remote communication module uses SIM900A remote communication modules.SIM900A is one The GSM/GPRS modules of a double frequency, working frequency range are：EGSM 900MHZ and DCS 1800MHZ.SIM900A remote communication modules Design function block diagram and SIM900A module circuit diagrams difference are as shown in Figures 2 and 3.

Further, in the present embodiment, SIM900A units include：SIM900A single channel, serial ports control and PKEYKI draw Outgoing interface circuit, ADC and LCD display interface circuits, RTC back-up battery circuits, microphone interface circuit, earphone interface circuit, RS232 serial ports, SP3232 conversion circuits, lithium battery interface circuit, MP2303 conversion circuits, external power interface circuit, power supply Anti-reverse diode, power supply indicator, power switch, TVS power protecting circuits, PWM/IIC/GPIO draw interface circuit, SIM Deck interface circuit, PIO and STATUS draw interface circuit, SMA antennal interfaces and antenna, network state indicator light, SMF05CESD protects circuit and on/off button.

In the present embodiment, SIM900A sizes are smaller, can meet the requirement to bulk in compartment.The module with The physical interface of user's mobile application is 68 patch pads, there is provided the hardware interface of module and alarm circuit plate：Keyboard With SPI display interfaces；Main serial ports and debugging serial ports；Audio interface all the way, it is defeated comprising a microphone input and a loudspeaker Go out；General programmable input/output interface.SIM900A alarm modules provide interface and access gsm system by wave point Function, mainly including microphone, loudspeaker, display screen and button etc..In addition a subscriber identification module-SIM card is also prepared, It is a smart card according to the ISO standard, comprising radio interface information, including authentication and encryption information.

Further, in the present embodiment, the interface of SIM900A remote communication modules and microcontroller is as shown in Figure 4.

Further, in the present embodiment, human body sensing identification module uses pyroelectric infrared human body induction module can be with Someone is sensed in compartment again without people, can whether someone carries out sensing detection and identification to in-car.Someone is set in compartment And temperature is acted more than set temperature value alarm device, pyroelectric sensor is as shown in Figure 5 with interface microcontroller.

Further, in the present embodiment, temperature detecting module is timely using thermal resistance temperature sensor response, action spirit It is quick.Sensor be system core  it be a kind of conversion equipment of physical quantity.In systems, the thing that sensor will be tested Reason amount temperature etc. be converted into it is corresponding, be easy to the electric signal that accurately handles, such as electric current, voltage, resistance, inductance, capacitance.It is preposition Electric signal is processed by signal conditioning circuit such as to be amplified, filters the signal  for making it and being adapted to transmit in the channel Referred to as detect electric signal.The interface of thermal resistance and microcontroller is as shown in Figure 6.

Further, in the present embodiment, warning message display module uses OLED display screen.Display can show existing The field gentle body detection case of temperature value, and prompting alarm situation.The display screen of increasing is installed on can be with glass for vehicle window Shown to outside car and transmit early warning and alarming information.OLED display screen is as shown in Figure 7 with interface microcontroller.

Further, in the present embodiment, air-sensitive detection module uses MQ-2 gas sensors, can be to in-car nytron The toxic and harmful gas such as thing, oxynitrides are monitored, if toxic and harmful gas concentration exceedes a certain amount of standard, will make automobile Executing agency such as air-conditioning system, vehicle window control system etc. act, as far as possible reduce accident rescue before injury.Air-sensitive passes Sensor MQ-2 has the features such as interface is simple, using flexible.Gas sensor modular structure circuit diagram is as shown in Figure 8.

Further, in the present embodiment, interlocking module is connected with vehicle-mounted hazard warning lamp including one and for opening Open the first relay of vehicle-mounted hazard warning lamp, one be connected with vehicle-mounted glass-frame riser and for open the second of vehicle window after Electric appliance and one it is connected with vehicle-mounted loudspeaker and for opening the 3rd relay of vehicle-mounted loudspeaker.

In the present embodiment, " hazard warning lamp " is opened：Double flashing lights are named as " hazard warning lamp " entirely, and often " the double spring lamps " said.A signal lamp on automobile, main function be remind other vehicles and pedestrian pay attention to this car there occurs Special circumstances, allow everybody to avoid in time.Automobile double-flashing integrates difference with other headlamp switches, and double flashing light switches are more special Not a bit, it is self-existent, and double flash switchs identify particularly evident, a red triangle.Common double flashing lights switch All it is on the console on the right of steering wheel.System connects double blinker relays in danger by interlocking module, by opening " hazard warning lamp " is opened to alarm to the masses around.

Glass for vehicle window is opened to decline：The core element of power window is glass-frame riser, electric glass lifter structure Key is motor and retarder, its basic principle lifted is：One convertible rotation direction of setting in each car door Direct current series motor, by change-over switch, makes motor operation, after the worm gear reducer on motor main shaft, passes through Rotating cylinder and steel wire make glass abreast slide up and down.Motor is by ganged switch button control, equipped with ascending, descending, pass etc. three Working status, switch are parked on the position of " pass " automatically when not manipulating.Operating circuit is equipped with master switch（Center control）With separate Close, both lines in parallel.Master switch controls the opening and closing of whole door glasses by motorist, and separating on each inside door handle The opening and closing for controlling each door glass respectively by occupant is closed, operation is very convenient.A locking switch is designed on master switch, is being locked In the case of determining switch connection, the glass of car door where each switch can manipulate；Locking switch disconnect in the case of, behind two The circuit of winnowing machine door is cut off, and the switch on door is just ineffective, and the purpose of this design is to increase the peace of passenger Quan Xing.

For system when extreme danger is judged as, interlocking module opens centrally controrlled locking system by relay, connects glass Glass lifter automatically opens vehicle window.In-car outer air flow leads at this time, and in-car hot-air can be discharged progressively, fresh oxygen meeting Increase, temperature progressively decline, and in-car leaves personnel by the state in safety.

Further, in the present embodiment, key-press module is the important component for realizing human-computer interaction, and button can be set Put the parameter such as the phone of alarm, early warning, alarm temperature value, it is possible to achieve the work(such as releasing of input and alarm for object information of alarming Energy.Keystroke interface circuit diagram is as shown in Figure 9.

Further, in the present embodiment, microprocessor uses STM1055K4T6, as shown in Figure 10.Microprocessor module It is the important component for realizing human-computer interaction, microprocessor module and temperature detecting module, air-sensitive detection module, human body sensing Identification module, warning message input module are connected, for in-car temperature, gas, whether there is personnel monitoring information input, place Reason.Chatted microprocessor module is connected with interlocking module, remote communication module, display module, it is possible to achieve alarm object letter The function such as input, processing, judgement and the interlink warning of breath and the releasing of alarm.

Further, in the present embodiment, power supply is connected with system modules, and power supply is provided for system components.And It is connected with power adapter of the automobile, and is provided by it power supply.

Further, in order to allow skilled in the art realises that the system that the utility model is proposed, with reference to existing Software illustrates.

In the present embodiment, there is provided the temperature control of alarm, alert program, alarm call, alarm, display screen display Data content, the button shown is set.Lookup data, referring physician, according to children physique feature set early warning operating temperature value as 38 °C, actuation of an alarm temperature value is 40 °C, and it is 26 °C to release actuation of an alarm temperature（Alarm is closed）.

Part slave computer main program source code is as follows：

/* Includes --------------------------*/

#include " hzs00_main.h " // total header file

/***********************************************************/

// human body sensing

#define pi_rsd_out GPIO_ReadInputPin(GPIOB, GPIO_PIN_3)//PB3

// gas detects

#define pi_gas_out GPIO_ReadInputPin(GPIOA, GPIO_PIN_2)//PA3

//================================================================

#define po_been_LED1 GPIO_WriteHigh(GPIOE, GPIO_PIN_5)

#define po_been_LED0 GPIO_WriteLow(GPIOE, GPIO_PIN_5)

#define Po_jdq_ON GPIO_WriteHigh (GPIOB, GPIO_PIN_2) // put PB2 mouthfuls as 1

#define Po_jdq_OFF GPIO_WriteLow (GPIOB, GPIO_PIN_2) // put PB2 mouthfuls as 0

// define fan control port

#define Po_Fan_ON GPIO_WriteHigh (GPIOD, GPIO_PIN_3) // put PD3 mouthfuls as 1

#define Po_Fan_OFF GPIO_WriteLow (GPIOD, GPIO_PIN_3) // put PD3 mouthfuls as 0

// define flash lamp control port

#define Po_Flash_lamp_ON GPIO_WriteHigh (GPIOB, GPIO_PIN_4) // put PB4 mouthfuls as 1

#define Po_Flash_lamp_OFF GPIO_WriteLow (GPIOB, GPIO_PIN_4) // put PB4 mouthfuls For 0

//==================================================================

// variable-definition

BitStatus f_main_100us;// define 100us flag bits

BitStatus f_main_500us;// define 500us flag bits

BitStatus f_main_1ms;// define 1ms flag bits

BitStatus f_main_5ms;// define 5ms flag bits

BitStatus f_main_10ms;// define 10ms flag bits

BitStatus f_main_100ms;// define 100ms flag bits

BitStatus f_main_500ms;// define 500ms flag bits

BitStatus f_main_1s;// define 1s flag bits

BitStatus f_main_bp_ENABLE;// define buzzer switch

bool f_main_500ms_Negate=0;// 500ms flickers

bool f_main_rst_3s;// 3s waits flag bit

bool f_wait;// wait flag bit

bool f_bj_power=0;// alarm switch

u8 d8_set_temp=38;// low-temperature warning temperature line

u8 d8_H_set_temp=40;// high temperature alarm temperature line

bool f_main_500ms_set_dis=0;// set display to use

bool f_bp_1s_xs=0;// buzzer 1S is rung once

bool f_main_1s_ring;// 1S is rung once

bool f_lamp_1s_xs=0;// indicator light 1S is rung once

bool f_main_1s_Twinkle;// 0.5S dodges once

bool f_key_flay;

bool f_Child;// pull out key and judge either with or without child

//===================================================================

// flash lamp controls

void lamp_control(void)

{

//=======================================

If (f_lamp_1s_xs==1) // open light flash

{

if(f_main_1s_Twinkle==1)

{

f_main_1s_Twinkle=0;

Po_Flash_lamp_ON;// turn on light

}

else

{

f_main_1s_Twinkle=1;

Po_Flash_lamp_OFF;// turn off the light

}

}

else Po_Flash_lamp_OFF;// turn off the light

//=======================================

If (f_bp_1s_xs==1) // open buzzer 500ms and ring a sound

{

if(f_main_1s_ring==1)

{

f_main_1s_ring=0;

Po_beep_ON;// drive buzzer

}

else

{

f_main_1s_ring=1;

Po_beep_OFF;// close buzzer

}

}

else

{

if(f_bp_one==0&&f_bj_power==0)

{

Po_beep_OFF;

}

}

ATK-SIM900A GSM/GPRS modules are tested, are tested altogether including three sports：

1：Dialup test-by being tested by KEY0 buttons into this.Into after test, screen by a virtual keyboard, Pass through input through keyboard telephone number, you can dial.If phone is called in, then incoming number can be shown, and can lead to Cross keyboard and realize incoming call sound.

2：Short message test-by being tested by KEY1 buttons into this.This test includes 2 subitems：Reading short message is tested With test of sending short messages.Tested by KEY0 into reading short message, screen will show the currently stored information bar number of SIM card and altogether may be used With the information bar number of storage, and a virtual keyboard on the screen, pass through input through keyboard, you can the short message for specifying entry is read, Its content is displayed on above LCD.Enter test of sending short messages by KEY1, screen will show a fixed short message content, and empty Intend a keyboard, pass through input through keyboard target mobile phones number, you can perform transmission, give the short message sending of immobilized substance to target hand Machine, and carrier state is prompted.

3：GPRS tests-by being tested by WK_UP buttons into this.This test includes 2 subitems again：TCP is tested Tested with UDP.TCP connections are defaulted as, by that by WK_UP buttons, can switch between TCP/UDP.This test needs defeated Enter IP address（The target ip address to be connected, it is necessary to be public network IP）, port numbers are fixed as：8086.Setting connection mode After IP address, you can be attached, after successful connection, then can carry out GPRS data communication with target.This test, in electricity Tested between brain and ATK-SIM900A modules, computer end needs a software：Networked E-Journals assistant, to realize and module TCP/UDP data communications tests.

This Experimental Hardware connection mode (module and development board)：

ATK-SIM900A ALIENTEK STM32 development boards

STXD<------------>PA3(RXD)

SRXD<------------>PA2(TXD)

GND<------------>GND

Points for attention：

1：The experiment please provide for oneself：China Mobile's SIM card one is opened（Do not shut down, and open gprs service）, earphone（Band Mike Wind）One is secondary, D.C. regulated power supply 1.

2：Developed using ALIENTEK MiniSTM32, which needs renewal character library, and (character library location mode is similar to battleship Plate, the mode with Mini plates are had any different, so needing to update), please in SD card:SYSTEM store under FONT catalogues: These files of the file of UNGBK.BIN, FONT12.BIN and FONT16.BIN etc. three have been stored in this routine of Mini plates Under engineering catalogue, it is only necessary to copy SD card to（Will：SYSTEM folder under SD card root file copies SD card to Root）.

Above is the preferred embodiment of the utility model, all changes made according to technical solutions of the utility model are produced Function without departing from technical solutions of the utility model scope when, belong to the scope of protection of the utility model.

Claims (9)

1. a kind of in-car leaves personal identification pre-alarm system, it is characterised in that including：One is arranged at the microprocessor of in-car And it is connected and for sending the remote communication module of alarm signal, the temperature for detecting vehicle interior temperature with the microprocessor respectively Degree detection module, the air-sensitive detection module for detecting in-car gas, for detecting in-car, whether the human body sensing of someone identifies Module, the warning message display module for showing alarm signal, the interlocking module for opening vehicle window, car light and loudspeaker, For keying in the key-press module of information and power module for power supply.

2. a kind of in-car according to claim 1 leaves personal identification pre-alarm system, it is characterised in that described long-range Communication module includes a SIM900A units；The SIM900A units are connected through an interface circuit with the microprocessor.

3. a kind of in-car according to claim 2 leaves personal identification pre-alarm system, it is characterised in that described SIM900A units include：After SIM900A single channel, serial ports control and extraction interface circuit, ADC and LCD display interface circuits, RTC Standby battery circuit, microphone interface circuit, earphone interface circuit, RS232 serial ports, SP3232 conversion circuits, lithium battery interface electricity Road, MP2303 conversion circuits, external power interface circuit, power supply reverse connection protection diode, power supply indicator, power switch, TVS electricity Protection circuit, PWM/IIC/GPIO extractions interface circuit, SIM card holder interface circuit, PIO and STATUS extractions interface circuit, SMA antennal interfaces and antenna, network state indicator light, SMF05CESD protection circuits and on/off button.

4. a kind of in-car according to claim 1 leaves personal identification pre-alarm system, it is characterised in that the temperature Detection module includes a thermistor temperature sensor.

5. a kind of in-car according to claim 1 leaves personal identification pre-alarm system, it is characterised in that the human body Sensing identification module includes a pyroelectric infrared human body sensor.

6. a kind of in-car according to claim 1 leaves personal identification pre-alarm system, it is characterised in that the alarm Information display module is arranged at the OLED display screen at in-car glass for vehicle window using one.

7. a kind of in-car according to claim 1 leaves personal identification pre-alarm system, it is characterised in that the air-sensitive Detection module includes a MQ-2 gas sensors.

8. a kind of in-car according to claim 1 leaves personal identification pre-alarm system, it is characterised in that the linkage Module includes one and is connected with vehicle-mounted hazard warning lamp and is used to open the first relay of vehicle-mounted hazard warning lamp, one It is connected with vehicle-mounted glass-frame riser and the second relay and one for opening vehicle window is connected with vehicle-mounted loudspeaker and for opening 3rd relay of vehicle-mounted loudspeaker.

9. a kind of in-car according to claim 1 leaves personal identification pre-alarm system, it is characterised in that the power supply Module is connected with vehicle-mounted power adapter, and also respectively with the remote communication module, temperature detecting module, air-sensitive detection mould Block, human body sensing identification module, warning message display module, interlocking module, key-press module are connected.