Air quality detector and air quality detecting device
An air quality and detector technology, which is applied in the measurement device, the structural details of gas analyzers, instruments, etc., can solve the problems of sensor detection data distortion, bad detection data, air acceleration, etc., to ensure health and safety, and service life guarantee. , the effect of preventing damage
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Embodiment 1
[0050] An air quality detector such as Figure 1-2 As shown in and 6, it includes a housing 1 and a rear cover 2, the rear cover 2 is detachably installed at the rear of the housing 1, the inner upper part of the housing 1 is provided with a telescopic detection unit 3, and the housing 1 Two through holes 5 are symmetrically opened on the two side walls close to the upper part;
[0051] Such as Figure 5-7 As shown, the telescopic detection unit 3 includes a gantry-type fixed frame 6, a round rod 11, a first motor 10, a first L-shaped mounting plate 8, a second L-shaped mounting plate 9, a TVOC sensor 13, and a formaldehyde sensor 12. The gantry-type fixed frame 6 is fixedly installed at the bottom of the inner top wall of the housing 1, and one end of the round rod 11 is fixedly installed on a side wall inside the bottom of the gantry-shaped fixed frame 6 through a rolling bearing. A motor 10 is fixedly installed on the other side wall inside the bottom of the gantry-type f...
Embodiment 2
[0069] The difference from Example 1 is that the surface of the housing 1 is also provided with a protective layer, and the protective layer is prepared by the following method:
[0070] Take the following raw materials and weigh them by weight: 15 parts of epoxy resin, 7 parts of calcium carbonate powder, 9 parts of copper oxide powder, 10 parts of titanium dioxide powder, 8 parts of glass powder, 14 parts of polyurethane, 2 parts of alcohol ester twelve, triethanolamine 2 parts, 1 part of emulsified silicone oil and 30 parts of water;
[0071] S1. Add the weighed alcohol ester dodecane, triethanolamine, emulsified silicone oil and water into the mixer and stir for 15min at a stirring speed of 500r / min to prepare a mixed solution;
[0072] S2, adding epoxy resin, calcium carbonate powder, copper oxide powder, titanium dioxide powder, glass powder and polyurethane into a pulverizer for pulverization until the particle diameter of the material is not greater than 100nm to obtai...
Embodiment 3
[0078] The difference with embodiment 2 is the preparation of protective layer, and its specific preparation method is as follows:
[0079] Take the following raw materials and weigh them by weight: 18 parts of epoxy resin, 9 parts of calcium carbonate powder, 10 parts of copper oxide powder, 11 parts of titanium dioxide powder, 9 parts of glass powder, 16 parts of polyurethane, 3 parts of alcohol ester twelve, triethanolamine 3 parts, 2 parts of emulsified silicone oil and 35 parts of water;
[0080] S1. Add the weighed alcohol ester dodecane, triethanolamine, emulsified silicone oil and water into the mixer and stir for 18min, and the stirring speed is 600r / min to prepare a mixed solution;
[0081] S2, adding epoxy resin, calcium carbonate powder, copper oxide powder, titanium dioxide powder, glass powder and polyurethane into a pulverizer for pulverization until the particle diameter of the material is not greater than 100nm to obtain a mixed powder material;
[0082] S3. ...
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