Abstract: An electronic device includes an accommodation and a receiver. The accommodating piece defines a first cavity and a second cavity communicated with the first cavity. A first sounding hole and a second sounding hole communicated with outside are respectively defined on two opposite walls of the first cavity. The receiver is installed in the first cavity. The receiver includes a first diaphragm and a second diaphragm disposed opposite to first diaphragm. The first diaphragm faces the first sounding hole. The second diaphragm faces the second sounding hole. The first diaphragm vibrates to generate a first sound signal, the second diaphragm vibrates to generate a second sound signal, and a phase of the first sound signal is opposite to a phase of the second sound signal. Parts of sound signals generating sound leakage are compensated and counteracted through an algorithm, and a user has a good private call experience.

Abstract: A speaker device is provided. The speaker device includes a frame, and a vibration unit, a magnetic circuit unit, and air-permeable isolation member. The magnetic circuit unit includes a yoke fixed to the frame. The yoke and the frame are spaced to form a leakage port to enable leaking from a side surface of the speaker device. The sound-producing inner cavity communicates with the leakage port. The air-permeable isolation member completely covers the leakage port. The leakage port communicates with the outside through the leakage hole. Compared with the related art, the speaker device of the present disclosure has a yoke leakage structure, which can realize self-sealing and is conducive to assembling.

Abstract: The present invention provides a speaker box including a housing with a sound hole and a speaker therein. The speaker includes a frame, a vibration system, a magnetic circuit system, and a covering shell. The vibration system includes a diaphragm dividing a receiving room of the housing into a front cavity communicating with the sound hole and a rear cavity, a voice coil assembly. The magnetic circuit system includes a yoke. The covering shell divides the rear cavity into a first rear cavity inside the speaker and a second rear cavity outside the speaker. The covering shell includes a bottom wall and a side wall. A recessing portion formed on the side wall, and the recessing portion communicates the first rear cavity with the second rear cavity.

Abstract: Disclosed are a voice coil and a sounding device using the voice coil. The coil body includes at least two sub coils fixed together in sequence. Each sub coil is provided with an incoming wire end and an outgoing wire end, and forms only one current path from the incoming wire end to the outgoing wire end and flowing in the same direction. The incoming wire ends of the at least two sub coils are welded together to form an incoming area on the coil body. The outgoing wire ends of the at least two sub coils are welded together to form an outgoing area on the coil body. The voice coil and the sounding device can select a wire with a lighter weight and a greater resistance, thereby decreasing a weight of a vibration system of the sounding device and improving a mid-frequency performance of the sounding device.

Abstract: The present application discloses a heat dissipation device. The heat dissipation device includes a heating element, a sounding device and a heat conductor. The speaker unit includes a diaphragm separating the accommodation space into a front cavity and a back cavity. The housing body is provided with first sound outlet holes communicating to the front cavity. Heat generated by the heating element is transferred outside along with an air flow in the front cavity. The heat dissipation device provided by the present application has the advantages of being good in heat dissipation effect and exquisite and compact in structure and capable of meeting the demand of miniaturization of the heat dissipation device.

Abstract: The present invention provides a heat dissipation device having a speaker box, a heating element and a heat conductor. The speaker box includes a housing having sound outlet hole and a speaker unit housed in the housing. The speaker unit includes a diaphragm. The heat conductor includes a first heat conductor and a second heat conductor; the first heat conductor includes a heat conductive part, a heat conductive part, and an extensional heat conductive part. The second heat conductor is connected to the extensional heat conductive part at one end and to the heating element at the other end. The heat conductor of the present invention introduces the heat generated by the heating element into the front cavity and transfers the heat through the air in the front cavity to the outside of the sound outlet hole, with a high heat dissipation efficiency.

Abstract: A speaker includes: a frame, a vibration system including a diaphragm, a voice coil, and a flexible circuit board, and a magnetic circuit system, wherein the flexible circuit board includes an outer fixing portion, an inner fixing portion, and an elastic connecting arm, the inner fixing portion includes a first fixing portion electrically connected with the elastic connecting arm, a second fixing portion bent and extended from the first fixing portion in a direction away from the diaphragm, and a third fixing portion bent and extended from an end of the second fixing portion away from the first fixing portion in a direction of the voice coil, the third fixing portion is provided with a pad which is electrically connected with a bottom surface of the voice coil. Compared with the related art, the speaker disclosed by the present disclosure has better acoustic performance.

Abstract: A speaker includes a diaphragm, a voice coil with a lead wire, and a flexible circuit board assembly. The flexible circuit board assembly includes at least two flexible circuit boards and a soldering sheet. Each flexible circuit board includes an inner fixing portion including an upper surface close to the diaphragm, the upper surface of a first flexible circuit board is provided with a first pad, the upper surface of a second flexible circuit board is provided with a second pad. The lead wire is arranged on a side of the first flexible circuit board close to the diaphragm and is electrically connected to the first pad. The soldering sheet includes a first fixing portion electrically connected to the second pad, a second fixing portion and a third fixing portion electrically connected to a bottom surface of the voice coil. The speaker has a better acoustic performance.

Abstract: A speaker includes: a frame, a vibration system, including a diaphragm, a voice coil, and a flexible circuit board, and a magnetic circuit system, wherein the voice coil includes a first lead wire and a second lead wire, the flexible circuit board includes a first surface facing the diaphragm and a second surface opposite to the first surface, the first lead wire and the first surface are located at one side of the flexible circuit board, the second lead wire and the second surface are located at another side of the flexible circuit board, the flexible circuit board includes a first pad on the first surface and a second pad on the second surface, the first lead wire is connected to the first pad, the second lead wire is connected to the second pad. Compared with the related art, the speaker disclosed by the present disclosure has better acoustic performance.

Abstract: The present disclosure provides a sounding device. The sounding device includes a vibration system, a magnetic circuit system, a conductive element and a fixed element. The vibration system includes a diaphragm and a voice coil fixed to the diaphragm. The diaphragm consists of a dome part and a suspension around the dome part. The dome part includes a dome body and a protruded platform of the dome extending from the dome body to the voice coil and fixed to the voice coil. The dome part also includes dome reinforcement elements. Compared with the related art, the sounding device provided by the present disclosure has a simple structure and good reliability.

Abstract: The present disclosure provides a sounding device. The sounding device includes a vibration system, a magnetic circuit system, a conductive element and a fixed element. The vibration system includes a diaphragm and a voice coil fixed to the diaphragm. The sounding device also includes a reinforcement element for fixing the voice coil and the connection part. The reinforcement element includes a first reinforcement part fixed to the upper surface of the connection part or the lower surface of the connection part, and a second reinforcement part fixed to the outer side surface of the voice coil.

Abstract: The sounding unit provided by the present invention includes a frame, a vibration system and a magnetic circuit system. The vibration system includes a diaphragm, a voice coil and an FPC. The diaphragm consists of a dome with a protruded platform and a suspension. The FPC includes an internal fixed part, an external fixed part, and an elastic part. The internal fixed part includes a first fixed part, a second fixed part, and a third fixed part. The voice coil includes an upper end surface and a lower end surface. The upper end surface is fixed to the protruded platform. The lower end surface is fixed to the third fixed part. The bonding strength between the FPC and the voice coil in the sounding unit is improved, and the vibration stability of the sounding unit is enhanced.

Abstract: The present disclosure provides a sounding device. The sounding device includes a vibration system, a magnetic circuit system, a conductive element and a fixed element. The vibration system includes a diaphragm and a voice coil fixed to the diaphragm. The sounding device further includes a reinforcement element having a first reinforcement part fixed to the upper surface of the connection part or the lower surface of the connection part, a second reinforcement part fixed to the outer side surface of the voice coil, and a third reinforcement part fixed with the upper surface of the voice coil. Compared with the related art, the sounding device provided by the present disclosure has a simple structure and good reliability.

Abstract: The present invention provides a speaker box including a housing with a sound hole and a speaker therein. The speaker includes a frame, a vibration system, a magnetic circuit system, and a covering shell. The vibration system includes a diaphragm dividing a receiving room of the housing into a front cavity communicating with the sound hole and a rear cavity, a voice coil assembly. The magnetic circuit system includes a yoke. The covering shell divides the rear cavity into a first rear cavity inside the speaker and a second rear cavity outside the speaker. The covering shell includes a bottom wall and a side wall. A recessing portion formed on the side wall, and the recessing portion communicates the first rear cavity with the second rear cavity.

Abstract: A speaker device is provided. The speaker device includes a frame, a vibration unit and a magnetic circuit unit. The vibration unit and the magnetic circuit unit are fixed to the frame. The magnetic circuit unit is configured to drive the vibration unit to vibrate to produce sound. The magnetic circuit unit includes a yoke. The yoke and the frame are spaced to form a leakage port. The vibration unit includes a diaphragm, a voice coil, and an elastic support assembly. The auxiliary diaphragm has one end fixed to the frame and the other end connected to the voice coil. The auxiliary diaphragm is provided with multiple vents spaced and penetrating the auxiliary diaphragm. The present disclosure can increase the circulation of gases above and below the auxiliary diaphragm, so that a side leakage effect of the speaker device is improved, thereby improving acoustic performance of the speaker device.

Abstract: A speaker device is provided. The speaker device includes a frame, and a vibration unit, a magnetic circuit unit, and air-permeable isolation member. The magnetic circuit unit includes a yoke fixed to the frame. The yoke and the frame are spaced to form a leakage port to enable leaking from a side surface of the speaker device. The sound-producing inner cavity communicates with the leakage port. The air-permeable isolation member completely covers the leakage port. The leakage port communicates with the outside through the leakage hole. Compared with the related art, the speaker device of the present disclosure has a yoke leakage structure, which can realize self-sealing and is conducive to assembling.

Abstract: The invention provides a sounding device. The sounding device comprises a housing body with an accommodating space, a one-way inlet valve and a one-way outlet valve. A speaker unit partitions the accommodating space into a front cavity and a back cavity. The one-way inlet valve communicates the outside and the back cavity and is used for introducing air into the back cavity. The one-way outlet valve communicates the back cavity and the outside and is used for discharging the air in the back cavity outside. A first through hole communicating the outside and the back cavity is formed in the housing body. The invention also provides a mobile terminal. Compared with the related art, the sounding device and the mobile terminal of the invention have better reliability and better performance.

Abstract: The present application provides a speaker box device having a speaker box, a heating element and a heat conductor. The speaker box includes a housing body and a speaker unit provided with a diaphragm. The heat conductor includes a first end part connected to the heating element, a second end part and a connection part connecting the first end part to the second end part. Heat of the heating element is discharged by means of an air cooling effect, so that the heat dissipation efficiency of the speaker device is ensured.

Abstract: The present application discloses a speaker device including a speaker box, a heating element and a heat conductor. The speaker box includes a front acoustic cavity and a back cavity. A housing includes a plastic member with a through hole and a metal clamping plate. The heat conductor includes a first end connecting with the heating element and a second end connecting with the extension part and a connection part. The heat conducted by the heat conductor is transferred by air flow in the front acoustic cavity to realize the heat dissipation of the heating element.

Abstract: The present application discloses a speaker device including a speaker box, a heating element and a heat conductor. The speaker box comprises a housing and a speaker unit provided with a diaphragm arranged in the housing. The housing comprises a plastic member provided with a through hole and a metal clamping plate. The housing further comprises a sound outlet channel jointly forming a front cavity with a front acoustic cavity. Heat transferred by the heat conductor is conducted to the front cavity, and heat dissipation of the heating element is achieved by means of an air cooling effect formed by air flow in the front cavity.