Description:FIELD OF THE INVENTION
The present invention relates to advanced monitoring systems that integrate multiple sensor types to provide comprehensive environmental data logging and control. Traditional monitoring systems often focus on single parameter measurements, which can be inadequate for complex environments that require precise control over multiple factors. This invention leverages a combination of temperature, humidity, fire, gas, occupancy, and light sensors, controlled by an Arduino microcontroller, along with additional components to create a versatile monitoring solution. This system displays data on an OLED screen, triggers relays for control actions, and provides alerts through a buzzer.
BACKGROUND OF THE INVENTION
Existing monitoring systems generally focus on single-parameter measurements, which can be limiting in environments that need to control multiple variables simultaneously. Several patents have explored innovations in sensor-based monitoring systems:
• US Patent No. US20100198531A1 describes a system for environmental monitoring using various sensors to control air quality.
• US Patent No. US20130080053A1 details a multi-sensor system for home automation, integrating temperature, humidity, and occupancy sensors.
• European Patent No. EP2454323A1 discusses a multi-sensor network for industrial process control, focusing on temperature and pressure.
• Japanese Patent No. JP2013073198A reveals a comprehensive monitoring system for smart buildings using various environmental sensors.
• Indian Patent No. IN201911052912A details a smart environmental monitoring system using IoT-based sensors to measure various environmental parameters.
• Indian Patent No. IN201811038244A describes an intelligent monitoring and control system for industrial environments, focusing on multi-sensor data integration.
Despite these advancements, there remains a need for a comprehensive, easily deployable monitoring solution that combines multiple sensor inputs for precise environmental control in manufacturing and other sensitive applications.
EXPLANATION OF MULTISENSOR MONITORING SYSTEM COMPONENTS
1) Temperature and Humidity Sensor (DHT11):
a) Purpose: To measure ambient temperature and humidity levels.
b) Functionality: The DHT11 sensor captures temperature and humidity data and sends it to the Arduino for processing.
c) Application: Ensuring optimal temperature and humidity conditions in product manufacturing environments where specific conditions are required for quality control.
2) Fire Sensor:
a) Purpose: To detect the presence of fire or high heat levels.
b) Functionality: The fire sensor monitors for sudden increases in temperature indicative of a fire and sends an alert to the Arduino.
c) Application: Providing early fire detection to prevent damage and ensure safety in manufacturing facilities.
3) Gas Sensor:
a) Purpose: To detect the presence of hazardous gases in the environment.
b) Functionality: The gas sensor measures gas concentrations and sends data to the Arduino for monitoring.
c) Application: Ensuring air quality and safety in manufacturing processes that involve the use of potentially hazardous chemicals.
4) Occupancy Sensor:
a) Purpose: To detect the presence of personnel in specific areas.
b) Functionality: The occupancy sensor identifies movement or presence of individuals and sends this information to the Arduino.
c) Application: Enhancing security and safety by monitoring occupied areas, ensuring machinery is only active when personnel are present.
5) Light Sensor:
a) Purpose: To measure ambient light levels.
b) Functionality: The light sensor captures light intensity data and sends it to the Arduino.
c) Application: Controlling lighting conditions in environments where specific light levels are necessary for product quality or worker safety.
OBJECTIVE OF THE INVENTION
The primary objective of this invention is to develop an automated multisensor monitoring system with real-time data display, control actions via relays, and alert mechanisms. The specific aims are:
1) To provide precise environmental control in manufacturing processes.
2) To offer real-time feedback and alerts to users and administrators.
3) To ensure safety and quality control through early detection of anomalies.
4) To integrate multiple sensors for comprehensive environmental monitoring.
5) To create a user-friendly interface with low power consumption.
6) To display sensor data on an OLED screen.
7) To control external devices through relays based on sensor inputs.
8) To provide auditory alerts through a buzzer for immediate attention.
EXPERIMENTAL HARDWARE COMPONENT DESCRIPTION OF THE PROPOSED DEVICE
The proposed invention features a multisensor monitoring system, controlled by an Arduino microcontroller. The essential components of the system are described below:
1) Arduino Microcontroller
The Arduino acts as the central control unit, processing data from various sensors, managing system operations, and handling control actions and alerts.

2) DHT11 Sensor
The DHT11 sensor measures temperature and humidity, sending data to the Arduino for monitoring and control.
3) Fire Sensor
The fire sensor detects high heat levels indicative of fire, providing critical safety alerts to the Arduino.
4) Gas Sensor
The gas sensor monitors air quality by measuring gas concentrations and sending data to the Arduino.

5) Occupancy Sensor
The occupancy sensor detects the presence of personnel, ensuring machinery operates only when needed and enhancing safety.
6) Light Sensor
The light sensor measures ambient light levels, allowing for control of lighting conditions based on sensor input.
7) Relay
The relay acts as an electronically operated switch, controlling external devices such as alarms, fans, or lights based on sensor data.
8) Buzzer
The buzzer provides audio alerts to users, signaling important events such as high temperature, gas leaks, or fire detection.
9) OLED Display
The OLED display presents real-time sensor data and system status to users, offering a clear and interactive interface.
10) Power Supply
The system uses a voltage regulator to convert input power to the required levels for the components, ensuring stable and reliable operation.
WORKING METHODOLOGY
The proposed multisensor monitoring system operates on the principle of integrated environmental monitoring and control. The process is as follows:
1) Temperature and Humidity Monitoring:
The DHT11 sensor continuously measures temperature and humidity, sending data to the Arduino for monitoring and control actions such as activating fans or heaters through relays.
2) Fire Detection:
The fire sensor monitors for high heat levels and alerts the Arduino if a fire is detected, triggering alarms and potentially activating fire suppression systems via relays.
3) Gas Monitoring:
The gas sensor measures air quality, and if hazardous gas levels are detected, the Arduino can trigger ventilation systems and alert personnel through the buzzer.

4) Occupancy Detection:
The occupancy sensor detects personnel presence, ensuring machinery operates only when needed and enhancing safety.
5) Light Control:
The light sensor monitors ambient light levels, allowing for automatic control of lighting systems to maintain optimal conditions.
6) Real-time Display and Alerts:
Sensor data is displayed on the OLED screen for real-time monitoring. The system provides auditory alerts through the buzzer for immediate attention to critical events.
7) Relay Control:
Based on sensor inputs, the Arduino controls relays to activate or deactivate external devices, ensuring environmental conditions are maintained within desired parameters.
ABSTRACT
The present invention introduces a novel multisensor monitoring system designed to ensure precise environmental control with enhanced safety and quality features. Integrating a DHT11 temperature and humidity sensor, fire sensor, gas sensor, occupancy sensor, light sensor, Arduino microcontroller, relays, buzzer, and OLED display, this system offers comprehensive monitoring and control for various environmental parameters. The system continuously monitors temperature, humidity, fire, gas, occupancy, and light levels, providing real-time data display and triggering control actions via relays based on sensor inputs. Alerts are provided through a buzzer for immediate attention to critical events. This innovative monitoring system offers unparalleled control over environmental conditions, making it an ideal solution for a wide range of applications, including product manufacturing environments where precise conditions are necessary for quality control.
, Claims:1) An automated multisensor monitoring system consisting of: a) a DHT11 temperature and humidity sensor, b) a fire sensor, c) a gas sensor, d) an occupancy sensor, e) a light sensor, f) an Arduino microcontroller, g) relays, h) a buzzer, and i) an OLED display, which monitors and controls environmental conditions.
2) The system as claimed in 1, wherein the DHT11 sensor measures temperature and humidity levels.
3) The system as claimed in 1, wherein the fire sensor detects high heat levels indicative of a fire.
4) The system as claimed in 1, wherein the gas sensor measures gas concentrations in the environment.
5) The system as claimed in 1, wherein the occupancy sensor detects the presence of personnel.
6) The system as claimed in 1, wherein the light sensor measures ambient light levels.
7) The system as claimed in 1, wherein the Arduino microcontroller processes sensor data and controls relays for external devices.
8) The system as claimed in 1, wherein the buzzer provides audio alerts for critical events.
9) The system as claimed in 1, wherein the OLED display presents real-time sensor data to users.