A dehumidifier using a digital humidity sensor

Abstract

A dehumidifier using a digital humidity sensor. It includes chassis, box, front panel, air filter, blower, heat exchanger, compressor, orifice plate, motor bracket, condensate pan, baffle, water tank and main controller; the main controller includes microcontroller, Display, output circuit, input interface, power supply circuit and digital humidity sensor. The dehumidifier of the present invention uses a digital humidity sensor to detect the humidity of the indoor air, thereby ensuring that the entire dehumidifier works in a reasonable working state, which not only improves the dehumidification effect, but also improves the energy utilization rate and energy efficiency level. In addition, because only one dedicated IC chip can directly complete the conversion from humidity to digital quantity, this can simplify the complexity of the circuit, and can increase the accuracy of sensing humidity by 3-5%, thereby reducing production and maintenance. At the same time, the circuit is improved in terms of noise, power consumption and anti-interference.

Description

technical field [0001] The invention relates to a dehumidifier, in particular to a dehumidifier using a digital humidity sensor. Background technique [0002] Generally speaking, a dehumidifier is a kind of air that can suck indoor humid air into its box, and then discharge it to the room after reducing the humidity through a heat exchanger composed of a condenser and an evaporator with a refrigerant flowing inside, thereby reducing the humidity. A device for indoor air humidity. figure 1 It is an exploded perspective view of the dehumidifier structure in the prior art. Such as figure 1 As shown, this prior art dehumidifier mainly includes: a chassis 51 that constitutes the external structure of the bottom surface; a box body 54 that constitutes the external structure of the top surface and two sides, and an air inlet 52 is formed on the back; , and an exhaust port 70 is formed on the lower part of the front end surface, and the front panel 58 of the operation part 56a an...

AI Technical Summary

Problems solved by technology

From the perspective of circuit structure, the composition of this part of the circuit is too complicated, and the number of components used is large

Because too many components will occupy a large area on the PCB, which will increase the cost and increase the difficulty of production and maintenance

At the same time, complex circuits will increase the noise and power consumption of the circuit, thus affecting the stability and anti-interference performance of the entire circuit

In addition, due to the discreteness of the performance and parameters of the components, too many components will also reduce the accuracy of the entire detection circuit, thereby adversely affecting the entire main controller circuit.

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