Low-frequency ultra-thin telephone receiver

Abstract

The invention discloses a low-frequency ultra-thin telephone receiver. A driving mechanism of the low-frequency ultra-thin telephone receiver comprises an armature section and a coil section, wherein the armature section is E-shaped and comprises a base portion, two wing portions and a middle portion, the base portion, the two wing portions and the middle portion are formed in an integrated mode, the middle portion comprises a root part located on the base portion, the root part extends forward to form a vibrating diaphragm part, at least one through hole is formed in the vibrating diaphragm part, and the coil section is arranged on the root part in a sleeved mode at intervals. A shell of the low-frequency ultra-thin telephone receiver comprises an upper shell and a lower shell, wherein the upper shell is arranged at the top of the driving mechanism in a covered mode, and comprises a cover plate and cover edges which are formed by extending downward from the periphery of the cover plate, a first magnet is fixedly connected to a section, covered at the top of the vibrating diaphragm part, of the inner wall of the cover plate, the upper shell is made of magnetically soft alloy, the lower shell is arranged at the bottom of the driving mechanism in a covered mode relative to the upper shell, a second magnet is fixedly connected to the inner wall of the lower shell relative to the first magnet, the lower shell is made of magnetically soft alloy, and a sounding hole is formed in the upper shell or the lower shell. According to the low-frequency ultra-thin telephone receiver, the low-frequency output can be enhanced, and the thickness of an existing telephone receiver is reduced to the largest extent.

Description

technical field [0001] The invention relates to a receiver, in particular to a low-frequency ultra-thin receiver. Background technique [0002] The receiver, also known as the earpiece, is an electroacoustic device that converts audio electrical signals into sound signals without sound leakage. It is widely used in communication terminal equipment such as mobile phones, fixed phones, and earphones to realize audio, such as voice and music. etc. output. [0003] And along with the rapid development of mobile phone technology, higher technical requirements are also proposed for receivers for mobile phones. Entering the 21st century, especially in recent years, mobile phones have entered the era of smart phones. All the controls of the smart phone are done through the screen, and the touch operation has replaced the operation of the traditional physical buttons. Therefore, correspondingly, the requirements for the screen are getting higher and higher. [0004] In order to en...

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Problems solved by technology

[0005] In this way, a higher requirement is put forward for the volume of the receiver originally arranged between the frame and the screen, and the existing receiver is mainly composed of a driving mechanism, a casing, etc., and the driving mechanism includes an armature, an iron core, Coil, upper and lower magnets, diaphragm, diaphragm support, etc. Among them, the coil and iron core are arranged and sleeved on the armature to form a layer, and the upper and lower magnets are installed in the iron core. This layer is composed of the diaphragm and the diaphragm support. After one layer is superimposed, the driving mechanism is formed, and then the shell is installed on the outside of the driving mechanism. The thickness brought by such a structure obviously cannot be installed in such a narrow frame or close to "frameless" mobile phone.

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