Intelligent range hood and noise reduction method thereof
A technology for range hoods and range hoods, which is applied in the fields of oil fume removal, heating methods, household heating, etc., and can solve problems such as inability to adapt to high-order sound, reduced effect of range hood, and difficulty in noise reduction
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Embodiment 1
[0097] An intelligent range hood, such as Figures 1 to 10 As shown, there are a main body of the hood 1, a three-dimensional sound field noise reduction device 2 for active noise reduction, and a visual detection system 3 for monitoring smoke conditions. The visual detection system 3 is assembled on the main body 1 of the hood, and the three-dimensional sound field reduction The noise device 2 is assembled inside the main body 1 of the hood. The visual inspection system 3 and the three-dimensional sound field noise reduction device 2 are respectively electrically connected to the main board of the hood main body 1 . The external stove 4 is electrically connected to the main board of the hood and the external stove 4 is linked with the main body 1 of the hood.
[0098] In this embodiment, the main board of the hood is preferably linked with the visual inspection system 3 and the three-dimensional sound field noise reduction device 2 .
[0099] The main body 1 of the range ho...
Embodiment 2
[0126] An intelligent range hood, other features are the same as in Embodiment 1, the difference is that the outer surface of the low-damping bellows 11 of this embodiment is equipped with a foam board.
[0127] It should be noted that the outer surface of the low-damping bellows 11 of the present invention may be equipped with a foam board, or any one of a foam board or a rubber board.
[0128] The role of the foam board, foam board or rubber board is to block the noise from spreading to the outside, thereby reducing the noise level.
[0129] Compared with Embodiment 1, the noise reduction effect of the range hood of this embodiment is better.
Embodiment 3
[0131] An intelligent range hood, the other features of which are the same as those of Embodiment 1, except that the visual inspection system 3 and the three-dimensional sound field noise reduction device 2 of this embodiment are independently activated.
[0132] The working process is as follows: when the external stove 4 is turned on, the main body of the hood 1 is turned on in conjunction, the main board of the hood provides power for the visual inspection system 3 and the three-dimensional sound field noise reduction device 2, and the user chooses to turn on the visual inspection system 3 and the three-dimensional Spatial sound field noise reduction device 2. Noise reduction is performed when the three-dimensional sound field noise reduction device 2 is turned on. When the visual detection system 3 is turned on, the visual detection system 3 monitors the smoke situation in the stove area, the visual detection system 3 determines the current smoke concentration level and tr...
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