Abstract: One of the objects of the present invention is to provide a linear vibration motor which improves damping performance and reduces assembly costs. Accordingly, the present invention provides a linear vibration motor having a housing body with an inner cavity; a weight accommodated in the housing body; a stator located in the housing body; and an elastic member suspending the weight in the housing body. The elastic member includes a first elastic member having a first fixed part fixedly connected to one side of the weight and a first elastic bracket extending from the first fixed part, and a second elastic member fixedly connected to an opposite side of the weight a first damping glue locating between the first elastic member and the weight, and locating at one end of the first elastic bracket close to the first fixed part.

Abstract: Provided is a speaker, including a frame; a vibration unit fixed to the frame; and a magnetic circuit unit driving the vibration unit to vibrate and produce sound. The vibration unit includes a diaphragm and a voice coil; the diaphragm includes a first suspension, a second suspension and a vibrating portion; the magnetic circuit unit is provided with a magnetic gap, and the voice coil is inserted in the magnetic gap; the magnetic circuit unit includes a yoke; and the yoke and the diaphragm are arranged at two opposite sides of the frame; and the vibration unit further includes a fixing ring connected to the magnetic circuit unit; the second suspension surrounds the fixing ring; and an inner peripheral side of the second suspension is fixed to an end of the fixing ring away from the yoke. With this structure, the acoustic performance of the speaker can be improved.

Abstract: Disclosed is a sounding device, including a frame, a vibration system, and a magnetic circuit system. The vibration system includes a diaphragm, a framework, a voice coil, and an elastic conductor. The elastic conductor includes an elastic conductor body, a connection arm, and a pad portion. The connection arm includes a first connection portion, a first bending portion, a second connection portion, a second bending portion, and a third connection portion. A covering film is attached to inner and outer surfaces of the connection arm, and the covering film is moved from inside and/or outside surfaces of the first bending portion and the second bending portion. Removal of the covering film reduces the stress on inner and outer surfaces of bent areas, stabilizes bending angles, reduces springback, and makes pad positions precise.

Abstract: The present disclosure discloses a speaker including a frame with two open ends, a vibration system sealing one open end of the frame, a magnetic circuit system, and an air-permeable mesh. The magnetic circuit system includes a yoke sealing another open end of the frame, a first magnet, a second magnet arranged at two opposite sides of the first magnet, a through hole penetrating the yoke and arranged at another two opposite sides of the first magnet, and an extension wall bending and extending from a side of the through hole close to the first magnet in a direction close to the vibration system. The air-permeable mesh is attached to the yoke and covers the through hole. Compared with the related art, the speaker disclosed by the present disclosure has a better acoustic performance.

Abstract: A speaker device includes a frame, a vibration unit and a magnetic circuit unit. The vibration unit includes a diaphragm fixed to the frame and a voice coil. The magnetic circuit unit includes a yoke and a magnet assembly that is accommodated and fixed in the yoke and is spaced apart from the yoke to form a magnetic gap. The voice coil is inserted in the magnetic gap. The yoke includes a yoke bottom wall, a yoke side wall and flanges. The flange includes a first section and a second section extending from the first section. A side of the first section close to the second section and the second section enclose a fixing step. The second section is fixed to the frame. The speaker device of the present disclosure has better reliability.

Abstract: Provided is a speaker, including a frame; a vibration unit fixed to the frame; and a magnetic circuit unit driving the vibration unit to vibrate and produce sound and provided with a magnetic gap. The vibration unit includes a diaphragm, a voice coil, and an elastic support assembly; the diaphragm includes a diaphragm body, a diaphragm fixing portion, and a diaphragm supporting portion; the vibration unit further includes a fixing ring; and the elastic support assembly includes an elastic member fixed to a side of the fixing ring close to the diaphragm, and an auxiliary diaphragm provided on a side of the elastic member away from the diaphragm; and the diaphragm supporting portion is fixed to a side of the elastic member away from the fixing ring. With this structure, the overall strength and reliability of the speaker can be improved.

Abstract: The present invention provides a bass automobile seat module and an automobile. The bass automobile seat module includes a seat and a speaker box mounted at a bottom of the seat. The bottom of the seat is provided with a mounting slot; the speaker box includes a hollow shell arranged in the mounting slot and a double-sided sound module accommodated in the shell; the top and bottom of the double-sided sound module are respectively provided with a first vibration diaphragm and a second vibration diaphragm; and the first vibration diaphragm located in the mounting slot transmits a sound through the seat and a sound production channel of the double-sided sound module. The present invention can release a storage space of a door and can also automatically offset the resonance, which is convenient for providing a better listening effect.

Abstract: Provided is a speaker, including a frame, a vibration unit fixed to the frame; and a magnetic circuit unit driving the vibration unit to vibrate and produce sound. The vibration unit includes a diaphragm and a voice coil; the diaphragm includes a first suspension, a second suspension and a vibrating portion; the magnetic circuit unit includes a magnetic gap, and the voice coil is inserted in the magnetic gap; the magnetic circuit unit includes a yoke; and the vibration unit further includes a fixing ring connected to the magnetic circuit unit; an inner peripheral side of the second suspension is fixed to an outer side of the fixing ring; and a connection position of the second suspension and the fixing ring is located between two opposite ends of the fixing ring along a vibrating direction of the diaphragm. With this structure, sealing performance of the speaker is improved.

Abstract: Provided is a vibration system, a sounding device and an electronic device. The vibration system includes a voice membrane, a voice coil configured to drive the voice membrane to vibrate, and a holder having a pad. The voice membrane includes a dome and a first diaphragm arranged around the dome. The dome and the first diaphragm are fixed to the holder. The voice coil is connected to the pad through a lead wire. The dome includes a first end close to the pad and a second end away from the pad and opposite to the first end. The second end has a positioning portion. The holder has a sink configured to receive the positioning portion. The dome is positioned with the holder through engagement of the sink with the positioning portion. Good symmetry of assembly is provided between the holder and the dome in the related art.

Abstract: Provided is a speaker box, including a housing having a receiving space and a speaker unit received therein. The housing extends into the receiving space to form a support wall. The speaker unit is supported by and fixed to the support wall. The housing has a sound output hole. The speaker unit includes a frame, a vibration system and magnetic circuit unit fixed to the frame, and a front cover covering the frame. The front cover is supported by and fixed to the support wall. The front cover includes a main body portion located above the vibration system, a side edge portion and a fixed portion covering the frame. The fixed portion is supported by and fixed to the support wall. The front cover has a through hole running through both the main body portion and the side edge portion. The speaker box has excellent sound quality.

Abstract: Provided is a speaker, including: a frame, a vibration unit including a diaphragm, and a voice coil; a magnetic circuit unit including a yoke and a magnet, the magnetic circuit unit being provided with a magnetic gap; and a lower diaphragm. The voice coil is inserted in the magnetic gap to drive the diaphragm to vibrate and produce sound; the lower diaphragm includes an inner connecting portion, an outer connecting portion, and an intermediate portion; the lower diaphragm includes a structural layer and a metal layer; the inner connecting portion includes a first recess, and the outer connecting portion includes a second recess; and the voice coil is electrically connected to the metal layer through the first recess, and the metal layer is electrically connected to an external circuit through the second recess. With this structure, internal space of the speaker is saved, reducing material cost and improving reliability.

Abstract: A sounding device includes a frame, a vibration system, and a magnetic circuit system having a magnetic gap. The vibration system includes a diaphragm fixed to the frame, a voice coil inserted in the magnetic gap to drive the diaphragm to vibrate, a framework connected to the diaphragm, and an elastic conductor fixed to the frame and connected to one side of the framework away from the diaphragm. One end of the voice coil has a lead wire. The framework and the voice coil define a receiving space. The elastic conductor includes an elastic conductor body fixed to the frame, first to third connectors, first and second bending arms. The first bending arm is spaced apart from the second bending arm. The lead wire is fixed to and electrically connected to the third connector. The sounding device has a good consistency in bending size and high pad position precision.

Abstract: The present invention provides a multifunctional electromagnetic transducer including: a housing providing with a sound port and a speaker fixed with the housing. The speaker includes a frame forming an accommodating cavity cooperatively with the housing, a vibration system supported on the frame and received in the accommodating cavity; and a magnetic circuit system received in the accommodating cavity driving the vibration system to vibrate along a first direction and generate sounds. The multifunctional electromagnetic transducer further includes a flexible support disposed on a side of the magnetic circuit system distal to the vibration system and secured to the housing. The magnetic circuit system is suspended in the accommodating cavity by the flexible support and moves along the first direction.

Abstract: A speaker device includes: a frame, a vibration unit and a magnetic circuit unit. The vibration unit includes a diaphragm and a voice coil. The magnetic circuit unit includes a yoke and a magnet. The yoke includes a yoke body, a yoke side wall and yoke extension portions protruding from the yoke side wall toward the frame. The magnet is fixed to the yoke body and is spaced apart from the yoke side wall to form a magnetic gap. The voice coil is inserted into the magnetic gap. The yoke side wall is fixed to the frame. The frame body includes a frame body having a ring shape, and frame fixing portions extending from the frame body toward the yoke side wall. The speaker device of the present disclosure can achieve a simple structure, high strength, easy assembly and positioning, and high reliability.

Abstract: The present disclosure provides speaker device. speaker device includes frame and vibration unit and magnetic circuit unit respectively held to frame, where vibration unit includes diaphragm held to frame, a voice coil driving diaphragm to vibrate and produce sound and a holder; holder includes a holder body that is ring-shaped and fixed to diaphragm, first connecting portions extending from outer periphery of holder body in a direction away from diaphragm and a second connecting portion extending from inner periphery of holder body in direction away from diaphragm; voice coil is connected to second connecting portion; voice coil includes pair of first sides and pair of second sides connected between first sides; first sides are provided with elastic support members. Present disclosure can effectively reduce weight of vibration unit so as to improve sensitivity of speaker device.

Abstract: An electronic device includes an enclosure defining a chamber and a first output port communicating the chamber with outside of the enclosure; a loudspeaker module disposed within the chamber. The loudspeaker module includes a first front cavity in communication with the first output port, a second front cavity acoustically connected with an inside space of the enclosure, a rear cavity, a transducer disposed between the first front cavity and the rear cavity, and a first passive radiator disposed between the second front cavity and the rear cavity. The passive radiator is capable of radiating low-frequency sound to the inside space of the enclosure via the second front cavity and an inside port or a second passive radiator. Then, the low-frequency sound re-radiates through surfaces of the enclosure and possible leaks in the enclosure to the outside environment. The low-frequency output is boosted.

Abstract: Provided is a sound-absorbing material, including an adsorbent material and a thermal conductive material. The thermal conductive material is uniformly dispersed in the sound-absorbing material. The thermal conductive material includes a carbon fiber material, and a weight ratio of the carbon fiber material in the sound-absorbing material is within a range of 0.05% to 10%. Further provided are a preparation method of the sound-absorbing material and a speaker using the sound-absorbing material. The sound-absorbing material has higher thermal conductivity and can be added to a rear cavity of the speaker to effectively conduct heat generated when the speaker is working, thereby improving the heat dissipation performance of the speaker.

Abstract: Provided is a speaker, including a frame; a vibration unit; and a magnetic circuit unit. The magnetic circuit unit is provided with a magnetic gap; the vibration unit includes a diaphragm, and a voice coil; the magnetic circuit unit includes a yoke, a main magnet unit, and auxiliary magnet units, and the auxiliary magnet units and the main magnet unit define the magnetic gap; the vibration unit further includes two elastic support assemblies; each of which includes an elastic member and an auxiliary diaphragm; the elastic member includes a first fixing arm, a second fixing arm and an elastic arm; the auxiliary diaphragm includes an auxiliary suspension, and a first connecting portion and a second connecting portion; and the auxiliary suspension has a racetrack shape with notches. With this structure, the service life and reliability of the speaker are improved.

Abstract: A speaker device includes a frame, a vibration unit fixedly connected to the frame, a magnetic circuit unit having a magnetic gap, and a screen cloth. The vibration unit includes a diaphragm and a voice coil. The magnetic circuit unit includes a carrier, a first main magnet, an auxiliary magnet and a magnetic conductive plate. The magnetic conductive plate is fixed to the frame. The magnetic conductive plate includes a first central portion and a first edge portion; the auxiliary magnet is located at the first central portion. The first edge portion is provided with a through hole. The screen cloth is provided at a side of the carrier away from the diaphragm, and includes a second central portion and a second edge portion. The second edge portion is provided with a first groove recessed toward the magnetic conductive plate, corresponding to the through hole.

Abstract: A sounding device includes a positioning bracket, a vibration system fixed to the positioning bracket, and a magnetic circuit system driving the vibration system to vibrate to generate sound. The vibration system includes a diaphragm fixed to the positioning bracket and a voice coil driving the diaphragm to vibrate. The magnetic circuit system includes a yoke, a main magnet component, and auxiliary magnet components. The yoke includes a yoke body, yoke extension walls, and yoke sidewalls. The auxiliary magnet component is fixed on the yoke extension wall. The main magnet component is sequentially spaced apart from the auxiliary magnet component and the yoke sidewall to form the magnetic gap. The positioning bracket is made of a metal material. One side of the auxiliary magnet component away from the yoke is fixed to the positioning bracket by laser spot welding. The sounding device has a better reliability.