Over-limit noise sound source determination method, air conditioner, vehicle, noise control method and device
A determination method and technology of a control device are applied in the fields of vehicles, air conditioners, noise exceeding sound source determination, noise control methods and devices, and can solve the problem of inability to monitor the noise status of variable frequency air conditioners and rotor components inside the unit in real time, and to effectively Improve the sound quality of noise, reduce the operating noise of the air conditioner itself, etc., to achieve the effect of saving manual inspection, reducing noise reduction costs, and saving labor costs
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[0049] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.
[0050] The present invention firstly provides a method for determining the sound source of the noise exceeding the limit. The noise is collected through the sound collection device, and one or more noises collected are compared with the standard noise to determine the exceeding noise, and the octave frequency analysis is performed on the exceeding noise. , to identify the over-limit sound source in the obtained noise frequency band.
[0051] Taking rail vehicles and air-conditioning units for rail vehicles as examples, the technical solutions provided by the present invention are introduced. In the present invention, as figure 1 and figure 2 As shown, the air-conditioning unit 1 of the rail vehicle includes an indoor chamber and an outdoor chamber 2, the outdoor chamber 2 is provided with the top of the passenger compartment 6, a b...
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