IR Flame Detector Module (ตรวจจับเปลวไฟด้วย Infrared)

 IR Flame Detector Module (ตรวจจับเปลวไฟด้วย Infrared)

     Sensor ตัวนี้ตรวจจับเปลวไฟโดยใช้ Sensor infrared  แสดงผลการทำงานได้ทั้งในรูป Digital (ให้ค่า 0 หรือ 1 เพื่อแสดงค่าที่ตรวจจับได้) และ Analog (ให้ค่าสัญญาณเพื่อใช้ประมวลผลต่อ)  การแสดงค่าเป็น Digital สามารถปรับค่า Threshold ได้โดยใช้ Potentiometer ที่มีให้บนบอร์ด

 Features:

•     - Sensor for flame wavelengths between 760 nm to 1100 nm
•     - Infrared is most sensitive
•     - AO, analog output
•     - DO, Digital output

 Product description

• can detect the flame or the wavelength at 760 nm to 1100 nm range of the light source, the test flame lighters distance of 80cm, the larger the flame, the greater the distance test
• the detection angle of 60 degrees, the flame spectrum particularly sensitive
• sensitivity adjustable (shown in blue digital potentiometer adjustment)
• the comparator output signal clean waveform is good, driving ability, than 15mA
• with a precision potentiometer adjustable sensitivity adjustment
• Operating Voltage 3.3V-5V
• the output in the form: DO digital switching outputs (0 and 1) and AO analog voltage output
• a fixed bolt holes for easy installation
• small plates PCB size: 3.2cmx1.4cm
• using a wide voltage LM393 comparator

 Purpose:

  - Various flame, fire detection

 Applications:

      Flame sensor most sensitive to ordinary light is also a reaction, generally used as fire alarm and other purposes. a small panel output interface can be directly connected with the microcontroller IO port.  The sensor and the flame  must maintain a certain distance (distance 80cm), so as not to damage the sensor. Analog output mode and the AD conversion can be utilzed to get better accuracy.

วีดีโอแนะนำอุปกรณ์

 โค้ดตัวอย่างการใช้โมดูล IR Flame detector module กับบอร์ด Arduino

// lowest and highest sensor readings:

const int sensorMin = 0;     // sensor minimum

const int sensorMax = 1024;  // sensor maximum

void setup() {

  // initialize serial communication @ 9600 baud:

  Serial.begin(9600);  

}

void loop() {

  // read the sensor on analog A0:

int sensorReading = analogRead(A0);

  // map the sensor range (four options):

  // ex: 'long int map(long int, long int, long int, long int, long int)'

int range = map(sensorReading, sensorMin, sensorMax, 0, 3);

  // range value:

  switch (range) {

  case 0:    // A fire closer than 1.5 feet away.

    Serial.println("** Close Fire **");

    break;

  case 1:    // A fire between 1-3 feet away.

    Serial.println("** Distant Fire **");

    break;

  case 2:    // No fire detected.

    Serial.println("No Fire");

    break;

  }

  delay(1);  // delay between reads

}