Subway tunnel environment sensor

1. Brief introduction of subway tunnel environment sensor products

The subway tunnel environmental sensor is also called the subway tunnel meteorological sensor and the road tunnel environmental monitor. The subway tunnel environmental sensor is an urban rail transit tunnel environmental monitoring system, which is used to realize the real-time monitoring of wind speed, wind direction, temperature, humidity and atmospheric pressure in the tunnel. . Shandong Fengtu Internet of Things Technology Co., Ltd., as an enterprise specializing in R&D, production and sales of micro weather instruments , has been committed to the promotion and application of micro weather instruments and meteorological environment solutions. With a complete production chain, a strong technical team and a comprehensive marketing team, we have developed and produced ultrasonic anemometers , five-element micro-weather instruments, six-element micro-meteorometers and small automatic weather stations and other meteorological products, which have been widely used in Meteorological monitoring, urban environmental monitoring, wind power generation, marine ships, aviation airports, bridges and tunnels, etc., have customers all over the country, and have achieved good social and economic benefits.

Compared with traditional miniature weather instruments , our products overcome the need for high-precision timers, and avoid inaccurate measurements caused by sensor start-up delays, demodulation circuit delays, and temperature changes.

The FT-WQX5 subway tunnel environmental sensor innovatively realizes wind speed, wind direction, temperature, humidity, and atmospheric pressure through a highly integrated structure, which can realize 24-hour continuous online monitoring of outdoor meteorological parameters. The parameters are output to the user at one time.

2. Features of Subway Tunnel Environmental Sensors

1. The ultrasonic probe is hidden in the top cover, avoiding the interference of rain and snow accumulation, and avoiding natural wind blocking (utility model patent, patent number ZL 2020 2 3215713.X)☆

2. The principle is to transmit continuously variable frequency ultrasonic signals, and detect wind speed and direction by measuring relative phase (invention patent, patent number ZL 2021 1 0237536.5)☆

3. Five elements of wind speed, wind direction, temperature, humidity, and atmospheric pressure are integrated (utility model patent, patent number ZL 2020 2 3215649.5)☆

4. Using advanced sensing technology, real-time measurement, no start-up wind speed☆

5. Strong anti-interference ability, with watchdog circuit and automatic reset function, to ensure the stable operation of the system

6. High integration, no moving parts, zero wear

7. Maintenance-free, no on-site calibration required

8. Using ASA engineering plastics for outdoor applications does not change color all year round

9. The standard output signal of product design is RS485 communication interface (MODBUS protocol); optional 232, USB, Ethernet interface, support real-time data reading☆

10. Optional wireless transmission module, the minimum transmission interval is 1 minute

11. The probe is a snap-on design, which solves the problem of inaccurate loosening during transportation and installation☆

3. Technical parameters of environmental sensors for subway tunnels

1. Wind speed: Ultrasonic measurement principle, 0~60m/s (±0.1m/s) resolution 0.01m/s; (invention patent, patent number ZL 2021 1 0237536.5)

2. Wind direction: measurement principle ultrasonic, 0~360° (±2°); resolution: 1°; (invention patent, patent number ZL 2021 1 0237536.5)

3. Air temperature: Measuring principle Diode junction voltage method, -40-60°C (±0.3°C), resolution 0.01°C; (Calibration certificate of Beijing Meteorological Bureau)

4. Air humidity: measuring principle capacitive, 0-100%RH (±3%RH), resolution: 0.1%RH; (Calibration certificate of Beijing Meteorological Bureau)

5. Atmospheric pressure: Measuring principle piezoresistive, 300-1100hpa (±0.25%), resolution 0.1hpa; (Calibration certificate of Beijing Meteorological Bureau)

6. Power: 0.72W

7. The production enterprise has ISO quality management system, environmental management system and occupational health management system certification☆

8. The production enterprise has  a computer software registration certificate☆

9. The production enterprise is a 3A credit enterprise☆

4. Product Dimensions of Subway Tunnel Environmental Sensors

5. Product Structure Diagram of Subway Tunnel Environmental Sensor

1. Control circuit

2. North Arrow

3. Ultrasonic probe

4. Shutter box

5. Temperature, humidity, air pressure monitoring position

6. Bottom fixed flange

※This product can be equipped with electronic compass, GPRS (built-in)/GPS (choose one)

6. Wiring Definition of Subway Tunnel Environmental Sensor Products