Unlock instant, AI-driven research and patent intelligence for your innovation.

A system, method and device for predicting indoor formaldehyde concentration

A prediction system and formaldehyde technology, applied in the field of systems for predicting indoor formaldehyde concentration, can solve the problems of high cost, good time, lack of reliable indoor pollution source database, etc., and achieve the effect of convenient operation and low cost

Active Publication Date: 2021-06-25
BEIJING NORMAL UNIVERSITY
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the existing current method, which requires high cost and long time, and cannot take into account both the long-term release rate and the short-term release rate; most of the methods lack a reliable indoor pollution source database, and cannot accurately predict indoor pollution. A system, method and device for predicting indoor formaldehyde concentration of formaldehyde concentration

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A system, method and device for predicting indoor formaldehyde concentration
  • A system, method and device for predicting indoor formaldehyde concentration
  • A system, method and device for predicting indoor formaldehyde concentration

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] A system for predicting indoor formaldehyde concentration, comprising a formaldehyde prediction system. The formaldehyde prediction system includes: a login system, a selection input system, an indoor pollutant mixing parameter calculation system, an indoor formaldehyde concentration prediction system, a selection display system and a decoration material database;

[0052] Login system, the login system includes user login system and administrator login system, the user login system links to the selection input system, the administrator login system links to the decoration material database, the administrator login system can upload the formaldehyde release rate of decoration materials to the decoration material database, etc.;

[0053] Select the input system, the selection input system includes the building indoor distribution input unit and the material property input unit, the building indoor distribution input unit links the ventilation rate unit, the ventilation sys...

Embodiment 2

[0063] Embodiment 2: Based on Embodiment 1, the difference is that;

[0064] A method for predicting indoor formaldehyde concentration, the method is applied to a system for predicting indoor formaldehyde concentration, and the characteristics of decorative materials are detected by the following methods:

[0065]S1. Balance the test pieces, place the test pieces at 22-24°C and 45-55% relative humidity for 13-17 days, and keep the distance between the test pieces at least 25mm so that the air can circulate freely on the surface of all test pieces , constant temperature and humidity indoor air replacement rate at least once every 1h, the concentration of formaldehyde in indoor air should not exceed 0.10mg / m 3 ;

[0066] S2. Perform edge sealing on the test piece. After the test piece is balanced, use formaldehyde-free aluminum tape to seal the edge. The ratio of the length L of the unsealed edge to the surface area A of the test piece is: L / A=1.5m / m 2 . For a test piece with...

Embodiment 3

[0079] Embodiment 3: based on Embodiment 1 or 2, the difference is that;

[0080] A device for predicting indoor formaldehyde concentration, the device is applied to a method for predicting indoor formaldehyde concentration, comprising: a climate box 1, a constant humidity device 2 is fixedly installed on the upper left side of the climate box 1, and one end of the constant humidity device 2 The other end of the constant humidity device 2 is in contact with the external environment through the pipeline. The bottom end of the climate box 1 is fixedly installed with a constant temperature maintenance device 3, and the upper end of the climate box 1 is movable and sleeved with a rotating Door 4, rotating shaft 5 is movably socketed inside the rear end of rotating door 4, and the right end of rotating shaft 5 is movably connected with the inner wall of climate box 1, and a rotating fan 6 is movably socketed in the inner wall of the left end of climate box 1, and the left end of rot...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a system, method and device for predicting indoor formaldehyde concentration, belonging to the field of building formaldehyde concentration prediction. When in use, the administrator logs in to the system to upload to the decoration material database, and other information. When the user uses the system, he only needs to log in to the system to enter the material property input unit by selecting the input system. After inputting the material property Use the terminal database to retrieve the corresponding material property volatilization rate of formaldehyde from the decoration material database, and then enter the building indoor distribution input unit, first calculate the indoor pollution mixing parameters, and then bring it into the indoor formaldehyde concentration prediction system to calculate formaldehyde Concentration changes, and then select the corresponding demand node by selecting the display system, and the main pollution source of formaldehyde can be found through the above system, and the operation is convenient, accurate, and low in cost.

Description

technical field [0001] The invention relates to the field of building formaldehyde concentration prediction, in particular to a system, method and device for predicting indoor formaldehyde concentration. Background technique [0002] With the development of society and economy, the time of human beings working and living indoors is gradually increasing. According to surveys, in developed countries, more than 50% of workers stay indoors for about 90% of their time throughout the day. People who work and live indoors for a long time have shown serious morbid reactions, such as eye pain and dryness, throat discomfort, dizziness, nausea, general fatigue, lack of concentration, and even cancer, which is life-threatening, which is defined by the World Health Organization as Sick Building Syndrome (SBS). The U.S. Environmental Protection Agency (EPA) studies have shown that indoor air pollution is the main cause of SBS and identified indoor air pollution as one of the major risks...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/31
Inventor 张岩陈贺刘世梁
Owner BEIJING NORMAL UNIVERSITY