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HVAC Air Duct System with Environmental Monitoring Sensors

Overview

Description

HVAC systems are vital for the functionality, safety, and comfort of buildings, providing temperature control, ventilation, and improved indoor air quality. With increasing awareness of the impact of indoor air quality on health, alongside the growing emphasis on energy efficiency, there is a rising demand for HVAC air duct systems equipped with environmental monitoring sensors.

This design incorporates the RL78/G13 MCU to control an air duct system that purifies indoor air by monitoring temperature, humidity, and air quality. Additionally, the RX23T MCU ensures efficient motor control for optimal system performance.

System Benefits:

  • The RL78/G13 MCU's standby function minimizes standby power consumption, promoting energy efficiency.
  • The RX23T MCU enables seamless and consistent motor performance for the air duct system.
  • Temperature, humidity, and gas sensors safeguard air quality and support timely filter replacement detection.

Comparison

Applications

Block Diagram

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KR007 Sheet.1773 Line 1pt.126.1769 Sheet.1772 Left arrow 1pt.123.1770 Line 1pt.126.1771 Right arrow 1pt.125.1767 KR007 KR007 KR007 Sheet.153 Sheet.1634 Sheet.1635 Control Board Control Board Control Board Inverter Board Inverter Board Inverter Board LCD Module LCD Module LCD Module Double arrow 1pt.1670 Double arrow 1pt.1671 Left arrow 1pt.123 Haptics Touch Sheet.1684 Sheet.1685 Sheet.1686 Sheet.1687 Left arrow 1pt.1688 Transceiver Transceiver Transceiver Temp & Humidity Sensor Temp & Humidity Sensor Temp & Humidity Sensor Gas Sensor Gas Sensor Gas Sensor Right arrow 1pt.125 Right arrow 1pt.125.1695 Right arrow 1pt.125.1696 Left arrow 1pt.123.1697 Line 1pt.126.1698 Line 1pt.126.1699 3.3V 3.3V 3.3V 24V 24V 24V 220V 220V 220V Buck Regulator Buck Regulator Buck Regulator 3.3V 3.3V 3.3V Sheet.1751 Sheet.1749 Sheet.1744 Sheet.1742 Sheet.1750 Sheet.1745 Sheet.1741 Left arrow 1pt.123.1766 Left arrow 1pt.123.1768 Op Amp Op Amp Op Amp Down arrow 1pt.127 Down arrow 1pt.127.1775 Motor Sheet.1800 Sheet.1801 M M 24V 24V 24V Line.254 Line.254.1843 Control Board MCU Control Board MCU MCU GPIO GPIO GPIO UART UART UART I2C I2C I2C UART UART UART UART UART UART Sheet.1845 MCU Inverter Board MCU MCU UART UART UART PWM PWM PWM INT INT INT 12-bit ADC 12-bit ADC 12-bitADC Transceiver.1846 Transceiver Transceiver Connector Arrow.329.1849 Bi-directional Bi-directional.1851 Bi-directional.1852 Right arrow 1pt.1854 Line 1pt.1855 Line 1pt.1856 Right arrow 1pt.1857 3.3VDC 3.3VDC 3.3VDC Wi-Fi Module Wi-Fi Module Wi-Fi Module AC/DC AC/DC AC/DC Tri component non Renesas Component block.745 Component block.631 Hall Sensor Hall Sensor Hall Sensor Vertical Wire Bundle 3 3 3 Sheet.1869 DC Supply 12V Label Text 10pt.262 Sheet.1872 Sheet.1873 Sheet.1874 Sheet.1875 Sheet.1876 Sheet.1877 Sheet.1878 Sheet.1879 Sheet.1880 Sheet.1881 Mains Input Mains Input Mains Input Horizontal Wire Bundle Communication Lines B.795 3 3 3 Horizontal Wire Bundle.1886 Communication Lines B.795 3 3 3 Connector Arrow.329 Bi-directional.1890 Left arrow 1pt.1893 Line 1pt.1894 Line 1pt.1895 Line 1pt.1896 Vertical Wire Bundle.1897 6 6 6 Sheet.1899 Buck Regulator Buck Regulator Buck Regulator IPM IPM IPM
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