Active noise reduction headrest of vehicle seat
A technology of active noise reduction and car seats, applied in vehicle seats, active noise control, special positions of vehicles, etc., can solve the problems of immature active control technology and unsatisfactory noise control effect, and achieve obvious noise reduction effect , Improving the monitoring precision and the effect of high accuracy
Pending Publication Date: 2017-11-17
邢优胜
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[0005] At present, although the active control of the noise in the car cabin has been researched and applied to a certain extent, the current active control technology for the noise in the car cabin is not mature enough, and the noise control effect is not ideal.
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[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0034] The technical solutions of the present invention will be further described below in conjunction with the embodiments and the accompanying drawings.
[0035] The embodiment of the invention discloses an active noise reduction headrest for a car seat, such as figure 1 and figure 2 As shown, the active noise reduction headrest includes...
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The invention discloses an active noise reduction headrest of a vehicle seat. The active noise reduction headrest comprises a headrest main body and also comprises two rotating arms, 2M reference microphones, 2N error microphones, an active noise reduction controller and two loudspeakers. Compared with the prior art, the active noise reduction headrest of the vehicle seat, disclosed by the invention, has the advantages that an optimal noise control mode obtained by a series of irrelevant reference acoustic modes S[n] has higher accuracy and can be better matched with a noise mode in a vehicle cabin, and the matching degree of a target signal Y[n] sent according to the optimal noise control mode and the noise at the part of the headrest is also higher, so that a broadband noise reduction effect on noise of a specific region in the vehicle cabin is realized, and the noise reduction effect is more obvious.
Description
technical field [0001] The invention relates to the technical field of automobiles, in particular to an active noise reduction headrest of an automobile seat. Background technique [0002] With the rapid development of modern industry, transportation and aviation, the number of car ownership is also increasing. Moreover, along with the improvement of people's requirements for the ride comfort of automobiles, the strengthening of environmental protection awareness and the development of the automobile industry, the noise control of automobiles has been paid more and more attention by people. [0003] At present, the control of noise in the car cabin is mainly based on passive control. The passive control of the noise in the car cabin is mainly through optimizing the structural design of the car and applying sound-absorbing materials to the car for physical noise reduction, so as to achieve the control of the noise in the car cabin. This passive control of noise in the car c...
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IPC IPC(8): B60N2/48G10K11/178
CPCB60N2/879G10K2210/1282
Inventor 邢优胜
Owner 邢优胜