Abstract: An in-vehicle independent sound field system and control system based on mini-speakers are provided. The system includes a mini-speaker array installed in front of a user and a mini-speaker installed near the user's ear. Each mini-speaker is provided with a coupling rear cavity, and the mini-speaker near the user's ear is provided with a sound guide front cavity. A controller is provided to control the mini-speaker array to perform an intermediate-and-high frequency directional replay, and control the mini-speakers near the user's ear to perform low-frequency replay and autonomous counterbalance, to solve the problem that a speaker array cannot be installed with a traditional in-vehicle speaker size and that a low-frequency effect is bad when merely using a speaker array to control sound direction, Besides, when different sources are being played, they rarely interfere with each other, thereby improving personalized requirements for sound and user experience of users in a vehicle.

Abstract: A relay repeater network communication system includes a relay repeater and three digital walkie-talkie sets, wherein each of the digital walkie-talkie sets comprises at least one digital walkie-talkie, the relay repeater is connected to each of the digital walkie-talkies, and the relay repeater communicates with each of the digital walkie-talkies through the DECT communication method to realize the mutual communication between each of the digital walkie-talkies, thus achieving the effect of multi-person speech and multi-person listening, which is convenient for the collaborative work of people and enriches the function of digital walkie-talkies.

Abstract: The invention relates to a sounding device having a first housing body with a first accommodation space, and a speaker box accommodated into the first housing body. The speaker box includes a second housing body with a second accommodation space, and a speaker unit accommodated in the second housing body. The speaker unit divides the second accommodation space into a front acoustic cavity. The sounding device further comprises a one-way intake valve. The speaker box, serving as a fan in a mobile terminal, pushes air circulation inside and outside the mobile terminal, thereby achieving a heat dissipation effect and facilitating internal cooling of the mobile terminal.

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 invention provides a sounding device having a housing body with a containment space, a sound outlet formed in the housing body, a speaker unit fitted in the housing body, an intake valve that communicates the outside with the front cavity and that is used for introducing air into the front cavity, and an unidirectional outlet valve that communicates the front cavity with the outside and discharges air in the front cavity to the outside through the sound outlet. The speaker unit separates the containment space into a front acoustic cavity and a back cavity, the sound outlet is communicated with the front acoustic cavity and forms a front cavity together. 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 discloses a speaker box including a housing body with an accommodation space and a speaker unit accommodated in the accommodation space. The speaker unit includes a diaphragm separating the accommodation space into a front acoustic cavity and a back cavity. The speaker box further has a heat conductor disposed on the housing body. The heat conductor is used to conduct the heat generated by the heating element to the sound channel and the front acoustic cavity. The mobile terminal adopts the speaker box. Comparing with the related technology, the speaker box provided by the present application can sound and dissipate heat for the mobile terminal.

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: 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: A sounding device includes a speaker box, and a thermally conductive member. The speaker box has a first housing body with a first accommodation space and a speaker unit accommodated in the first housing body. The speaker unit includes a diaphragm dividing first accommodation space into a front acoustic cavity between the diaphragm and the first housing body. The thermally conductive member includes a first part, a second part connected with the heat source component. The heat generated by the heat source component is conducted to the air in the sound channel through the thermally conductive member. By virtue of an air cooling effect of the speaker unit, the heat of the thermally conductive member is rapidly conduced into outer air, and thus the heat radiation efficiency can be remarkably improved.

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.

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 invention provides a heat dissipation device having a speaker box, a heating element and a heat conductor. The speaker box includes a housing having a sound outlet hole and a metal embedding member embedded in the housing. The speaker unit includes a diaphragm. The heat conductor is connected to the heating element. In the present invention, the heat conductor transfers the heat generated by the heating element to the metal embedding member, the metal embedding member conducts heat to the outside of the sound outlet hole through the air in the front cavity.

Abstract: The invention relates to a heat dissipation device having a heating element and a speaker assembly. The speaker assembly includes a housing having an accommodation space and a speaker unit installed in the accommodation space. The heat dissipation device also comprises a heat conductor; the heat conductor comprises a first end part, a second end part connected to the heating element and a connection part connecting the first end part and the second end part. The heat conductor is used to introduce the heat generated by the heating element to the speaker assembly and transfer it to the outside. The heat dissipation device has a better heat dissipation effect.

Abstract: The present application provides a speaker device having a speaker box, a heat source and a thermally conductive element. The speaker box includes a housing body with a first accommodation space, a speaker unit accommodated in the first accommodation space and a thermally conductive covering plate. The speaker unit comprises a diaphragm partitioning the first accommodation space into a front acoustic cavity and a back cavity, and a through opening. The thermally conductive element connects the speaker box with the heat source for providing improved heat radiation efficiency.

Abstract: The invention relates to a sounding device having a first housing body with a first accommodation space, and a speaker box accommodated into the first housing body. The speaker box includes a second housing body with a second accommodation space, and a speaker unit accommodated in the second housing body. The speaker unit divides the second accommodation space into a front acoustic cavity. The sounding device further comprises a one-way intake valve. The speaker box, serving as a fan in a mobile terminal, pushes air circulation inside and outside the mobile terminal, thereby achieving a heat dissipation effect and facilitating internal cooling of the mobile terminal.

Abstract: The invention provides a speaker box having an upper cover, a lower cover and a speaker unit. The speaker unit includes a diaphragm engaging with the upper cover for forming a back cavity and a front acoustic cavity. The speaker box also includes a heat conductor conducting the heat generated by a heating part member into the speaker box. The heat conductor is used to conduct the heat generated by the heating part member to the sound channel and the front acoustic cavity. The present application further provides a mobile terminal. The speaker box provided by present application conducts the heat generated by the heating part member of the mobile terminal to outside.

Abstract: An in-vehicle independent sound field system and control system based on mini-speakers are provided. The system includes a mini-speaker array installed in front of a user and a mini-speaker installed near the user's ear. Each mini-speaker is provided with a coupling rear cavity, and the mini-speaker near the user's ear is provided with a sound guide front cavity. A controller is provided to control the mini-speaker array to perform an intermediate-and-high frequency directional replay, and control the mini-speakers near the user's ear to perform low-frequency replay and autonomous counterbalance, to solve the problem that a speaker array cannot be installed with a traditional in-vehicle speaker size and that a low-frequency effect is bad when merely using a speaker array to control sound direction, Besides, when different sources are being played, they rarely interfere with each other, thereby improving personalized requirements for sound and user experience of users in a vehicle.

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 speaker having a vibrating system and a magnetic circuit system for driving the vibrating system to vibrate and sound. The magnetic circuit system has magnetic gap. The vibrating system includes vibrating assembly and voice coil assembly connected to the vibrating assembly, the voice coil assembly is inserted into the magnetic gap. The magnetic circuit system has a magnetic line concentrating area in the magnetic gap. The voice coil assembly includes a first voice coil connected to the vibrating assembly and a second voice coil arranged on the first voice coil at a side away from the vibrating assembly. if in the magnetic line concentrating area locates only the first voice coil, an electric signal is input only to the first voice coil; if in the magnetic line concentrating area locates only the second voice coil, electric signal is input only to the second voice coil.

Abstract: The present application provides a linear vibration motor, including a base, a vibrating unit and an elastic member. The elastic member includes a first elastic member and a second elastic member, the first elastic member includes a first fixing arm, two first elastic arms and two first connecting arms; the two first elastic arms bend and extend from two ends of the first fixing arm, respectively; the two first connecting arms bend and extend from the two first elastic arms, respectively; each of the first elastic member and the second elastic member is arranged in central symmetry with respect to a central axis which goes through a geometric center of the vibrating unit and perpendicular to the vibrating direction. As compared with relevant art, the linear vibration motor of the present application has advantages of simple and high-efficient assembling, good vibrating performance and high reliability.