Compound ventilation air-changing device for civil architecture

Abstract

The invention relates to a mixing ventilation and gas-exchanging device, which consists of an inlet air part, a signal detection analysis and conversion processing part, an exhaust air part, a transmission part and a receiving and execution part. The inlet air part is an air inlet; the signal detection analysis and conversion processing part consists of a detector and a processor; the transmission part is a wireless transmission device; the receiving and execution part consists of a wireless terminal, a frequency conversion controller and an exhaust fan; the exhaust air part consists of an air outlet and an exhaust fan; an output end of a probe is connected with the processor, and an output end of the processor is connected with the wireless transmission device which is connected with the wireless terminal through wireless signals; the wireless terminal and the frequency conversion controller are connected, and the frequency conversion controller is connected with the exhaust fan. By detecting the thickness and the humidity of indoor carbon dioxide, and utilizing the wireless transmission to control the operation condition of the exhaust fan, the device realizes mutual conversion of natural ventilation and mechanical ventilation, thus meeting such requirements as energy conservation, improvement of air quality and thermal comfort condition, reduction of transport cost of air conditioner as well as prolonging service life of facilities etc.

Description

(1) Technical field: [0001] The invention relates to a hybrid ventilation control device for civil buildings, which is to intelligently control the conversion between natural ventilation and mechanical ventilation by detecting indoor air quality parameters and transmitting signals through wireless transmission equipment to control the operation of the system, which belongs to ventilation and ventilation devices. (two) background technology: [0002] The purpose of residential ventilation design is to eliminate residual heat, residual humidity and air pollutants in residential rooms; to maintain indoor thermal balance and air volume balance by introducing fresh air and removing dirty air. [0003] The traditional residential ventilation methods in my country are mainly natural ventilation and forced mechanical ventilation. Natural ventilation is an economical ventilation that does not require any energy costs. However, with the development of building energy conservation, the...

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Problems solved by technology

The forced mechanical ventilation of the kitchen and bathroom is used in Chinese residential buildings. The forced mechanical ventilation includes the kitchen smoke exhaust system (range hood), bathroom ventilation system (ventilation fan), etc., which are used to instantly remove the indoor accumulated smoke. Pollutants, but the design level of the current exhaust duct is uneven, and the residential exhaust has serious smoke, odor, and cross-contamination. When the kitchen and bathroom pollution sources are partially exhausted, the residence does not have a stable supply of fresh air.

In actual operation, the mechanical ventilation operates constantly under the design air volume, and the continuous mechanical exhaust consumes a lot of energy, which is contrary to my country's energy-saving requirements

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