Ventilation system and method

Abstract

The invention provides a ventilation system and method which are applied to a three-dimensional space with people or animals. The ventilation system comprises an air inlet module, a one-way power airexhaust module, an air detection module and a control module, wherein the air inlet module comprises an air inlet box, a power air inlet mechanism and an air guide head; a first interception net plateis arranged in the air inlet box; the power air inlet mechanism comprises an air inlet pipe, and a second interception net plate, a first fan, a porous honeycomb filter layer and a second fan which are sequentially arranged in the air inlet pipe according to the air inlet direction; the area of the air passing face of the first interception net plate is larger than the area of the air passing face of the second interception net plate; the air guide head is movably arranged at an air outlet of the air inlet pipe; and the control module is used for controlling starting and stopping of the firstfan, the second fan and the one-way power air exhaust module according to the air pressure and the preset type of gas concentration. Compared with the prior art, the filter effect is better, the ventilation efficiency is higher, the service life is longer, and the biological safety is better.

Description

technical field [0001] The invention relates to the technical field of ventilation, in particular to a ventilation system and method. Background technique [0002] As people pay more attention to health, the requirements for air quality are getting higher and higher. For this reason, people install various devices or systems for ventilation in buildings to keep the air in the buildings fresh, but there are many defects in the prior art. [0003] In the prior art, some fresh air systems are used to keep the air in the building unblocked, but there are many problems, such as poor filtering effect, resulting in poor air quality. Or although the filtering effect is good, the ventilation resistance of the fresh air system is very large, resulting in poor air flow, and the fresh air system cannot deliver fresh air from the outside to the building in time. Although some fans are used to blow air, due to the blocking of filter materials, The air intake velocity is still low unless...

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Problems solved by technology

[0003] In the prior art, some use the fresh air system to keep the air in the building unblocked, but there are many problems, such as poor filtering effect, resulting in poor air quality

Or although the filtering effect is good, the ventilation resistance of the fresh air system is very large, resulting in poor air flow, and the fresh air system cannot deliver fresh air from the outside to the building in time. Although some fans are used to blow air, due to the blocking of filter materials, The air intake velocity is still low, unless the fan size and / or power is increased, but this will bring other disadvantages such as bulky and difficult to install, loud noise

[0004] In the prior art, the ventilation system with filter structure is easy to block after a period of use, resulting in a decrease in ventilation efficiency

[0005] In the prior art, the filter material of the ventilation system mainly filters solid particles in the air, and it is difficult to effectively filter microorganisms such as bacteria and viruses with small diameters, or solid particles with small diameters.

In some existing technologies, thorough filtration is achieved by setting various types of filter materials, multi-layer filtration and electrochemical methods, but the cost of the system is extremely high, and it is mostly used in hospitals or laboratories, etc., in household occasions, livestock breeding occasions, etc. The environment is difficult to promote and use

[0006] In the prior art, when the straight-through air duct enters the air, if the air volume is too large, it is easy to blow directly to the indoor creatures, which reduces comfort or is not conducive to growth. Some structures such as sampling grilles adjust the direction of the wind, but the structure is complex and Single function

[0007] In the existing technology, in order to save the cost of use, the general ventilation usually has fewer functions, and some ventilation systems have more functions, but they consume energy when they continue to work

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