| 摘要 |
PROBLEM TO BE SOLVED: To provide a miniaturized portable mosquito-repelling device for repelling mosquitoes by volatilizing an insecticide through heating a paper impregnated therewith, carriable both indoors and outdoors, compatible with both alternating and direct currents as to the electric source, capable of repelling mosquitoes by ultrasonic waves, and raised in the thermal efficiency of the heater installed therein with its heating temperature checkable. SOLUTION: This mosquito-repelling device is made up of an upper cover 4 with the center of the top face provided with a slide groove 1 and a mosquito- repelling mat inserting port 3 indented in front thereof and a hollow body 9 of any shape with a slidable cover 5-bearing dry cell source case 6 provided behind the bottom and engaged with a lower frame plate 8 fitted with a hooking clip in front of the bottom; a printed board and an ultrasonic generator are mounted inside the body 9, and the mosquito-repelling mat inserting port 3 is set with a ceramic heater 13 stuck with a seal 12 for temperature confirmation through its color development, thus this device is designed to be used with direct current by transforming alternating current into direct current via the connection with an AC adaptor.
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