| 摘要 |
A device for humidity control comprises a high-frequency generator output of which is connected to the primary humidity measuring transformer that is an asymmetrical band waveguide, high frequency filter, digital transformer and binary counter, at that there are included a block of analog multiplication, two comparators, clock oscillator, two AND gates, and a digital-analog transformer, at that the output of the high-frequency generator is connected to the second input of the block of analog multiplication, the output of the primary humidity measuring transformer is connected to the first input of the block of analog multiplication, the output of the block of analog multiplication is connected to the input of the high frequency filter, the output of the high frequency filter is connected to the first input of the first and the second input of the second comparator, the outputs of comparators are connected to the first inputs of the first and the second AND gate, the output of clock oscillator is connected to the second inputs of the first and the second AND gates, the outputs of the first and the second AND gates are connected to the first and the second input of binary counter, respectively, the digital output of binary counter is connected to the inputs of digital transformer and the analog-digital transformer, the output of the digital-to-analog converter is connected to the second input of the first and the first input of the second comparator, and the output of the digital converter is the output of the humidity control device. |
