1. What is the fresh air system? The fresh air system refers to the outdoor fresh air being filtered and sent to the room. At the same time, the indoor air is discharged to the outside to achieve the balance of the system. At the same time, the air is replaced in the room to make a closed one. The realization of scientific air convection in space is also equivalent to adding a breathing system to your room.
Second, the working principle of the new air system The new air system consists of host, duct, exhaust outlet, window feeder and other accessories. When the main engine is running, outdoor fresh air is introduced from the window feeder. Under the action of the pressure field formed by the main engine, it reaches the indoor activity area to meet the needs of personnel activities. After that, the dirty air passes through the air outlet and exhaust duct to the outside. The air flow organization method is scientific and reasonable, continuous low air volume design, low noise and energy consumption during operation, and the best air quality. The bi-directional flow heat recovery indoor air replacement system consists of a heat recovery main unit, an air supply duct, an air discharge duct, an air outlet, an air outlet, and other accessories. When the main engine is running, fresh air is introduced from the outside and sent to each room through the air supply duct; dirty air is discharged from the exhaust air host through the exhaust air duct. When the exhaust air passes through the host, it exchanges heat with the fresh air, recovering most of the energy and sending it back to the room through the fresh air.
Third, the application of VOC detection sensors in the fresh air system Indoor air quality directly affects people's health, advanced central air system based on the three principles of design.
1. The outdoor air is filtered through the layers and detected by the VOC sensor. It is entered from the clean air area living room and bedroom.
2, in order to meet people's daily work, rest when the amount of fresh air needed, and through the sensor to detect the air quality in the room, while achieving the purpose of energy conservation.
3, 365 days a year, 24 hours a day continuous uninterrupted ventilation. The central fresh air system is designed to create fresh and clean living environment while discharging fresh water. At the same time, it takes care of energy saving, environmental protection, safety and humanization.
4. What are the advantages of the new air system compared with ventilation fans?
The noise level of the fresh air system is relatively low, the international noise standard is 40 decibels, and the European and American standard is 30 decibels. The standard space fresh air system is only 26 decibels. Therefore, people can guarantee that they will not be disturbed by noise when sleeping at night. At the same time, it has a smarter control system, detects the air quality through sensors, and adjusts the air-conditioning, filtration, and purification. It has higher efficiency and is more energy-efficient.
It can be seen that air quality VOC sensors play a decisive role in the fresh air system. A small series of tools recommended by the Mining and Mining Network recommends the use of Japan's Figaro's TGS26 series sensors for air quality testing in the fresh air system.
1. Introduction of Air Quality Sensor TGS2600
I. Air Quality Sensor TGS2600 Description:
Sensitive elements consist of an integrated heater and a metal oxide semiconductor on an alumina substrate. If there is an object detection gas in the air, the higher the concentration of the gas, the higher the conductivity of the sensor. With simple circuits, the change in conductivity can be converted to a signal output corresponding to the gas concentration.
The air quality sensor TGS2600 is a Japanese imported air quality sensor with a very high sensitivity to the extremely weak air pollution gas (with a focus on cigarette smoke). Like hydrogen or carbon monoxide, which is present in cigarette smoke, this air quality sensor can detect several ppm of hydrogen. Since the TGS2600 is miniaturized, the heater current is only 42mA and the housing is in a standard TO-5 metal package.
Second, the air quality sensor TGS2600 features:
* Low power consumption
* High sensitivity to polluted air
* Long service life and low cost
* Simple application circuit
* small volume
Third, air quality sensor TGS2600 application:
* Air freshener control
* Ventilation control
* Air quality monitoring
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