Double-cavity coupling Helmholtz silencer and control method
A muffler and control system technology, which is applied in the direction of sound-emitting devices and instruments, can solve the problem that the noise reduction effect of the resonator is not greatly improved, and achieve the effects of increased transmission loss, improved flame stability, and improved noise reduction effect
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[0029] The present invention will be further described below in conjunction with drawings and embodiments.
[0030] Such as Figure 1-5 As shown, the present invention provides a dual-cavity coupling Helmholtz muffler and a control method, including a main pipe 1, a short neck pipe 2, a resonance chamber 3, a control system, a gear transmission system, and a telescopic extension pipe assembly; the resonance chamber 3 is provided with a baffle plate 4, and the resonant cavity 3 is divided into a first cavity 31 and a second cavity 32, and the neck short tube 2 is provided with two, respectively connecting the first cavity 31 and the second cavity 32 with the main cavity The pipeline 1 is connected, and the seal between the three is good. The telescopic extension tube assembly is arranged in the second cavity 32. The first cavity 31 and the second cavity 32 are two cylinders placed horizontally. The second cavity 32 The volume is greater than the volume of the first cavity 31; ...
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