Multidirectional variable-frequency electronic parasite and mouse expelling device

Abstract

The invention provides a multidirectional variable-frequency electronic parasite and mouse expelling device comprising at least two ultrasonic transducers with different main frequencies, at least two driving circuits which are correspondingly connected with input ends of the two ultrasonic transducers, a multi-path switch, a stepping motor and a microprocessor, wherein at least two output ends of the multi-path switch are correspondingly connected with the input ends of the at least two driving circuits; the stepping motor drives the at least two ultrasonic transducers to deflect so as to convert an emission direction of ultrasonic waves; the microprocessor is respectively connected with the multi-path switch and the stepping motor; and the microprocessor is used for generating at least two ultrasonic pulse sequences, a selection signal of the multi-path switch and a control signal of the stepping motor. The parasite and mouse expelling device can effectively output the ultrasonic waves with different frequency sections at different time periods; the ultrasonic waves can be output in all directions; and a parasite and mouse expelling space of the parasite and mouse expelling device is effectively enlarged.

Description

technical field [0001] The invention relates to a device for repelling insects and mice, in particular to an ultrasonic device for repelling insects and mice. Background technique [0002] With the continuous improvement of living standards and quality of life, people's requirements for living environment are also continuously improved. The pressure on cargo safety and epidemic prevention is also increasing, not only indoors, but also outdoors to prevent the "four pests". In addition, people began to pay attention to the secondary pollution caused by chemical, mechanical and other "four pests" repelling methods, so physical repelling methods have gradually been recognized and accepted by people. Existing research and practice have proved that ultrasonic waves, extremely low-frequency electromagnetic waves and infrasound waves can cause damage to mice, cockroaches and other pests at different levels, making the growth, development, behavior and physiological functions of mic...

AI Technical Summary

Problems solved by technology

At present, there are mainly the following kinds of electronic pest repellers on the market. One is the electronic insect repeller that can emit fixed frequency electromagnetic waves and ultrasonic waves. One is an electronic mouse repeller that can emit a variety of limited frequency electromagnetic waves and ultrasonic waves. Due to the limited frequency points, after a period of use, the mice will still have a certain "adaptability" and the effect will be reduced; the other is Using frequency conversion technology, changing different frequency bands regularly, using digital frequency conversion technology, reduces the "adaptability" of pests to these signals, and achieves a more effective result in repelling mice

[0003] However, the ultrasonic transducers currently on the market are characterized in that they can output a strong signal in a certain frequency band, while the output signal is weak for signals in other frequency bands.

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