Ultrasonic sonar frequency-modulation black-fish catching device

Abstract

Disclosed is an ultrasonic sonar frequency-modulation black-fish catching device. A fish inlet is arranged at the front end of a device of a steel framework formed by surrounding of meshes, the fish inlet extends inwards to be connected with a steel stripe inverted beard, and a fish storage bag inlet, an inner inverted beard, an ultrasonic emitter, a sonar generator, a sonar frequency modulator and an automatic wave modulator are arranged in the middle of the steel framework; an emitting line of the ultrasonic emitter is connected with a sonar line of the sonar generator, the sonar line of the sonar generator is connected with a sonar frequency-modulation line of the sonar frequency modulator, and the sonar frequency-modulation line of the sonar frequency modulator is in abutting joint with a wave modulation line of the automatic wave modulator.

Description

technical field [0001] The invention relates to a snakehead catching device, in particular to an ultrasonic sonic FM catching snakehead device, which belongs to the technical field of sonic fishing nets. Background technique [0002] At present, when people catch snakeheaded fish, they generally use cages for snakeheaded fish, put some small shrimps and fishes in the cages as bait, and put them into waters with aquatic plants to catch them. The fish are all dead and have no special fragrance. Snakeheads do not want to enter the cage to eat, so using small fish and shrimps as bait will easily result in less snakehead catches, high labor intensity, difficult folding of cages, inconvenient carrying, and poor snakehead catch effect. Difference. Contents of the invention [0003] The object of the present invention is to provide an ultrasonic sonic frequency modulation catching snakehead device with low labor intensity, easy to fold, easy to carry, large amount of snakehead ca...

AI Technical Summary

Problems solved by technology

[0005] Beneficial effect of the present invention: because the present invention has adopted above-mentioned scheme, after the blackfish catching device with ultrasonic sonic frequency modulation enters the water, the ultrasonic transmitter, the sonar generator, the sonar frequency modulator installed in the snakeheading device can be automatically tuned. The ultrasonic sonar is emitted by the oscillating device, and it quickly spreads to the aquatic plants and reeds far away. After receiving the ultrasonic sonar from the automatic oscillating device, the black fish will have a strong sense of hunger, and quickly pursue the ultrasonic sonar. Unknowingly enter the snakehead catching device, because the front of the entrance is large and the back is small, the snakehead that enters the snakehead catching device cannot escape, and because the sonar frequency modulator is installed in the snakehead catching device, the snakehead that enters is hypnotized , being in a semi-sleeping state, reaching the purpose of the present invention, the present invention has the advantages of low labor intensity, easy folding, convenient carrying, large amount of snakehead catching, good fishing effect, and effectively overcomes the disadvantages of existing cages when catching snakehead. The small fish and shrimps that exist in the cages have no special fragrance, which is easy to cause the defects of less fish catch and poor snakehead catch effect

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