The invention discloses a vehicle-mounted woofer device and a design method thereof. The vehicle-mounted woofer device comprises a box body and a woofer arranged in the box body which is arranged in the box body, the woofer comprises a paper cone, the paper cone is provided with a front surface facing the interior of the carriage and a rear surface opposite to the front surface, a cavity is formedbetween the rear surface of the paper cone and the box body, a main waveguide tube for communicating the cavity with the outside is arranged in the box body, an auxiliary waveguide tube is further arranged in the box body, the main waveguide tube and the auxiliary waveguide tube are respectively provided with an inlet communicated with the cavity, the main waveguide tube is provided with an outlet used for being communicated with the outer portion of the carriage, and the auxiliary waveguide tube is provided with an outlet used for being communicated with the outer portion or the inner portion of the carriage. The woofer is high in sensitivity and obvious in low-frequency expansion, and the sound pressure level at the low-frequency position is improved; and according to the design method,more parameters can be adjusted and controlled, and the degree of freedom is large.
本发明公开了一种车载低音扬声器装置及其设计方法。该车载低音扬声器装置包括箱体及设置于所述箱体内的低音扬声器,所述低音扬声器包括纸盆,所述纸盆具有朝向车厢内部的前表面和与之相对的后表面,所述纸盆的后表面和所述箱体之间形成空腔,所述箱体内设置有用于将所述空腔连通外部的主波导管,所述箱体内还设置有副波导管,所述主波导管和所述副波导管分别具有与所述空腔连通的入口,所述主波导管具有用于连通车厢外部的出口,所述副波导管具有用于连通车厢外部或内部的出口。本发明的低音扬声器装置的灵敏度较高,低频拓展较为明显,提高了低频处的声压级;本发明的设计方法可以调整控制的参数较多,具有较大的自由度。
Vehicle-mounted woofer device and design method thereof
一种车载低音扬声器装置及其设计方法
2020-10-27
Patent
Electronic Resource
Chinese
IPC: | H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |