CN208752050U - Multifunctional vehicle mounted EMS - Google Patents

Abstract

The utility model provides a kind of multifunctional vehicle mounted EMS.The multifunctional vehicle mounted EMS of the utility model includes one-chip computer module, dust sensor module, temperature humidity sensor module, formaldehyde sensor module, LCD display module, sound and light alarm module, gsm communication module.The utility model has the advantages that can environment inside car be measured in real time and be shown, and in the car environment numerical value be more than specified value in the case where, the form that the system first passes through sound-light alarm reminds car owner, then gsm module is enabled automatically to alarm in the form of short message to car owner's phone number, simultaneously collected environment inside car data will be sent on mobile phone together this moment, auxiliary car owner not in the car when environment inside car is managed.

Description

Multifunctional vehicle mounted EMS

Technical field

The utility model relates to vehicle environment real-time detections, and in particular to the communication technology, singlechip technology and sensor skill The multifunctional vehicle mounted EMS of art.

Background technique

Domestic Automotive Industry shows the situation of rapid growth, vehicle guaranteeding organic quantity and motor vehicle operators people in recent years Number is substantially increased, so a distinct issues also more obtain people's concern: environment inside car pollution.Since car is one close It closes, environment sluggish in air circulation, it, can be to driver if driver is too long in environmental index exceeded environment inside car exposure duration Health cause damages.If because environmental factor made driver uncomfortable reaction physiologically occurring, such as dizzy, tired, note Meaning power does not collect medium symptom, can impact to traffic safety.Major part automobile is assembled with air-conditioning ventilation system at present, but big It can only mostly realize the adjusting to temperature, timely can not test and control the ingredient and content of pernicious gas in vehicle, and Judge whether present case has an impact to human health.To solve the above-mentioned problems, a multifunctional vehicle mounted ring is devised to this Border detection system.The system can carry out real-time monitoring to environment inside car, show, evaluation, and it is logical to issue warning information in time Car owner is known, so that car owner manages environment inside car.

Single-chip microcontroller is small in size, low in energy consumption, control function is strong, extension flexibly, micromation and it is easy to use the advantages that, answer extensively For in instrument and meter, in conjunction with different types of sensor, it can be achieved that the measurement of a variety of physical quantitys.In today of information age, Sensor is to realize to automate an indispensable part as the important medium for obtaining information transitional information.

Summary of the invention

Car owner is notified in order to detect interior environmental in real time and warning information can be issued in time, this is practical It is novel to provide a kind of multifunctional vehicle mounted EMS.

The utility model is achieved through the following technical solutions, a kind of feature of multifunctional vehicle mounted EMS It include: that its composition includes one-chip computer module STC12C5A60S2, dust sensor module ZPH01, temperature humidity sensor module DHT11, formaldehyde sensor module MS1100, LCD display module LCD12864, sound and light alarm module LS1, gsm communication module SIM800C；Wherein 12 feet of the 2 feet connection one-chip computer module STC12C5A60S2 of dust sensor module ZPH01, temperature and humidity pass 17 feet of the 2 feet connection one-chip computer module STC12C5A60S2 of sensor module DHT11,4 feet of formaldehyde sensor module MS1100 Connect 10 feet of one-chip computer module STC12C5A60S2；The 5-7 foot of LCD display module LCD12864 is separately connected single-chip microcontroller mould The 25-27 foot of block STC12C5A60S2；20 feet of sound and light alarm module LS1 connection one-chip computer module STC12C5A60S2；GSM is logical The 3-4 foot of letter module SIM800C is separately connected the 30-31 foot of one-chip computer module STC12C5A60S2；

The circuit of the dust sensor module ZPH01 includes: that 3 feet meet VCC, 5 feet ground connection, and 2 feet are connected to the 12 of single-chip microcontroller Foot；1,4 feet are hanging；

The circuit of the temperature humidity sensor module DHT11 includes: that 1 foot meets VCC, and 2 feet are connected to 17 feet of single-chip microcontroller, 3 feet Vacantly, 4 feet are grounded；

The circuit of the formaldehyde sensor module MS1100 includes: that 1,3 feet meet VCC, 2 feet ground connection, and 4 feet are connected to single-chip microcontroller 10 feet；

The circuit of the LCD display module LCD12864 includes: that LCD12864 liquid crystal display is shown, 16,20 feet ground connection, 2, 15 feet meet VCC, and 5-7 foot is coupled with the 25-27 foot of single-chip microcontroller；1,3 feet pass through one potentiometer ground connection of connection；

The circuit of the sound and light alarm module LS1 includes: light emitting diode D1, and anode meets VCC, and cathode connecting resistance R4 connects Triode, ground connection；Buzzer connects diode anode and resistance R4, and transistor base is connected to 20 feet of single-chip microcontroller；

The circuit of the gsm communication module SIM800C includes: that 1 foot meets VCC, 2 feet ground connection, and 3-4 foot is coupled with monolithic The 30-31 foot of machine；

The circuit of the one-chip computer module STC12C5A60S2 includes: that crystal oscillator connects two direct-to-ground capacitance C4, C5 and monolithic Machine 18,19 feet are connected, and form oscillating circuit；Capacitor C3 is by forming reset circuit to 9 foot of ground resistance R3 connection single-chip microcontroller.

The beneficial effects of the utility model are:

1. a kind of multifunctional vehicle mounted EMS, combines sensor technology, singlechip technology, GPRS skill The technologies such as art, it is easy to use in the car.

2. a kind of multifunctional vehicle mounted EMS can carry out real-time monitoring to environment inside car, show, evaluation.

3. a kind of multifunctional vehicle mounted EMS, is connected using gsm communication module with single-chip microcontroller, in the car ring Border numerical value be more than specified value in the case where, by way of sound-light alarm remind car owner, and automatically in the form of short message to Special handset number call alert collected data will be sent on mobile phone together this moment, auxiliary car owner not in the car when to car Environment is controlled.

Detailed description of the invention

Fig. 1 is multifunctional vehicle mounted EMS overall structure block diagram

Fig. 2 is the minimum system schematic diagram of single-chip microcontroller STC12C5A60S2

Fig. 3 is the power circuit diagram of single-chip microcontroller STC12C5A60S2

Fig. 4 is the liquid crystal display principle figure of LCD12864

Fig. 5 is the sound-light alarm schematic diagram of LS1

Specific embodiment

Specific embodiments of the utility model will be further explained with reference to the accompanying drawing.

As shown in Figure 1, circuit described in the utility model includes: one-chip computer module STC12C5A60S2, dust sensor mould Block ZPH01, temperature humidity sensor module DHT11, formaldehyde sensor module MS1100, LCD display module LCD12864, acousto-optic Alarm module LS1, gsm communication module SIM800C.Through single-chip microcontroller control real-time display in LCD liquid after each sensor acquisition data On crystalline substance screen；When environment inside car numerical value is more than specified value, which reminds car owner by way of sound-light alarm, and opens automatically It collected data will be sent on mobile phone together this moment in the form of short message to special handset number call alert with gsm module, Auxiliary car owner not in the car when environment inside car is grasped.

As shown in Fig. 2, single-chip microcontroller model STC12C5A60S2 in one-chip computer module.Its 18 foot, 19 feet are connected to oscillation electricity Road, wherein crystal oscillator frequency is 11.0592MHz.When single-chip microcontroller is passed through power supply, oscillator begins to oscillation.Oscillating circuit Purpose be for single-chip microcontroller work required clock pulse signal is provided.Wherein 18 feet and 19 feet have met a 30pF over the ground respectively Capacitor, it is therefore an objective to prevent single-chip microcontroller self-excitation.Simultaneously in the external reset circuit of 9 feet i.e. the end RST, it is therefore an objective to make list When piece machine powers on start-up operation, internal circuit is started to work from original state.

As shown in figure 3, microcontroller power supply module P1 is energization interface, C1 and C2 are the capacitors for filtering, and S1 is to open It closes, the conducting of press of key switch circuit starts stable power-supplying to components such as single-chip microcontroller sensors after capacitor filtering.

As shown in figure 4, LED display module is LCD12864 liquid crystal display, by a row drive control device and a column driving Device composition.The measured value of each sensor module of liquid crystal screen display.

As shown in figure 5, combined aural and visual alarm module is mainly made of diode and buzzer, when environment inside car numerical value is more than rule When definite value, P20 output low level triode will be connected and play the role of expanding stream, and electric current can flow into circuit, at this moment buzzer Work will be started simultaneously at diode, reaches required sound and light of alarm.

Above-described is only preferred embodiments of the present invention, and the utility model is not limited to above embodiments.It can With understand, those skilled in the art directly export or associate under the premise of not departing from the basic conception of the utility model its His improvements and changes are considered as being included in the protection scope of the utility model.

Claims (1)

1. a kind of multifunctional vehicle mounted EMS, composition includes one-chip computer module STC12C5A60S2, dust sensor Module ZPH01, temperature humidity sensor module DHT11, formaldehyde sensor module MS1100, LCD display module LCD12864, acousto-optic Alarm module LS1, gsm communication module SIM800C；Wherein 2 feet of dust sensor module ZPH01 connect one-chip computer module 12 feet of STC12C5A60S2, the 17 of the 2 feet connection one-chip computer module STC12C5A60S2 of temperature humidity sensor module DHT11 Foot, 10 feet of the 4 feet connection one-chip computer module STC12C5A60S2 of formaldehyde sensor module MS1100；LCD display module The 5-7 foot of LCD12864 is separately connected the 25-27 foot of one-chip computer module STC12C5A60S2；Sound and light alarm module LS1 connection is single 20 feet of piece machine module STC12C5A60S2；3,4 feet of gsm communication module SIM800C are separately connected one-chip computer module 30,31 feet of STC12C5A60S2；

1) circuit of the dust sensor module ZPH01 includes: that 3 feet meet VCC, 5 feet ground connection, and 2 feet are connected to 12 feet of single-chip microcontroller； 1,4 feet are hanging；

2) circuit of the temperature humidity sensor module DHT11 includes: that 1 foot meets VCC, and 2 feet are connected to 17 feet of single-chip microcontroller, and 3 feet are outstanding Sky, 4 feet ground connection；

3) circuit of the formaldehyde sensor module MS1100 includes: that 1,3 feet meet VCC, 2 feet ground connection, and 4 feet are connected to the 10 of single-chip microcontroller Foot；

4) circuit of the LCD display module LCD12864 includes: that LCD12864 liquid crystal display is shown, 16,20 feet ground connection, 2,15 feet VCC is met, 5-7 foot is coupled with the 25-27 foot of single-chip microcontroller；1,3 feet pass through one potentiometer ground connection of connection；

5) circuit of the sound and light alarm module LS1 includes: light emitting diode D1, and anode meets VCC, and cathode connecting resistance R4 connects three Pole pipe, ground connection；Buzzer connects diode anode and resistance R4, and transistor base is connected to 20 feet of single-chip microcontroller；

6) circuit of the gsm communication module SIM800C includes: that 1 foot meets VCC, 2 feet ground connection, and 3-4 foot is coupled with single-chip microcontroller 30,31 foot；

7) circuit of the one-chip computer module STC12C5A60S2 includes: that crystal oscillator connects two direct-to-ground capacitance C4, C5 and single-chip microcontroller 18,19 feet are connected, and form oscillating circuit；Capacitor C3 is by forming reset circuit to 9 foot of ground resistance R3 connection single-chip microcontroller.