41results about How to "Increase the vibration space" patented technology

The invention provides a loudspeaker. The loudspeaker comprises a basin frame, a vibration system and an elastic supporting piece. The vibration system comprises a first vibrating diaphragm and a voice coil. The elastic support member comprises a flexible circuit board which is fixed on the basin frame and supports the voice coil. the flexible circuit board comprises a first fixing part connectedwith the voice coil, a second fixing part connected with the basin frame and an elastic arm connected with the first fixing part and the second fixing part; the elastic arm comprises a first part connected with the first fixing part, a second part connected with the second fixing part and a third part connected with the first part and the second part in a bent mode. The third part is closer to thefirst vibrating diaphragm than the first part and the second part; and the tail end of the first part and the tail end of the second part are respectively bent and extend towards the direction closeto the first vibrating diaphragm and are connected to the two ends of the third part. The loudspeaker provided by the invention is simple in structure, high in vibration performance and good in acoustic performance.

The invention discloses a vibration sound generating device. A sound outlet hole of the vibration sound generating device is arranged on a sidewall which is perpendicular to the thickness direction. A vibration diaphragm is parallel with a plane on which the sound outlet hole is arranged. A flat voice coil is arranged perpendicularly with the vibration diaphragm. A magnet is arranged in parallel with the voice coil. The vibration direction of the voice coil is different from the thickness direction. The vibration direction of an integrated structure which is composed of the magnet and a mass block is also different from the thickness direction, thereby facilitating small-thickness design of the product. Furthermore, a vibration space can be enlarged and product performance can be improved. The vibration sound generating device has advantages of high thinning degree and high performance.

The invention discloses a loudspeaker including a housing, wherein the vibration system and the magnetic circuit system are accommodated in the shell; the vibration system comprises a vibrating diaphragm group and a voice coil group for driving the vibrating diaphragm group to vibrate. The vibrating diaphragm group comprises a main vibrating diaphragm and an auxiliary vibrating diaphragm, the voice coil group comprises a first voice coil and a second voice coil, the first voice coil is arranged between the main vibrating diaphragm and the auxiliary vibrating diaphragm, and the second voice coil is arranged on one side, away from the main vibrating diaphragm, of the auxiliary vibrating diaphragm. The loudspeaker comprises a first voice coil and a second voice coil, equivalently, the singlevoice coil structure is disassembled into a double voice coil structure, the auxiliary diaphragm is not arranged at the lower end of the second voice coil any more, and the auxiliary diaphragm is arranged between the first voice coil and the second voice coil, so that the mounting position of the auxiliary diaphragm is raised, the vibration space of the auxiliary diaphragm is increased, and the requirement of large-amplitude vibration of the auxiliary diaphragm is met.

The invention discloses a moving magnet type loudspeaker which comprises a casing which is internally provided with a diaphragm and a vibrator. The vibrator includes a voice coil. A driving magnet is fixed to the vibrator. The voice coil is fixed on a basin frame, and elastic support members are fixed to the two ends of the basin frame. One side of the vibrator far from the diaphragm is provided with a motor magnet. The magnetic induction lines of the motor magnet cut the voice coil, and the vibrator is pushed to vibrate along a horizontal direction. Since the motor magnet is arranged at the side of the vibrator far from the diaphragm, the vibration of the diaphragm is not affected by the motor magnet, and the size of the motor magnet can be as large as possible. When the voice coil passes alternating motor current, the magnetic induction lines of the motor magnet cut the energized voice coil, and the vibrator vibrates horizontally under the effect of Lorentz force. After the voice is energized, an electromagnet is formed, and the electromagnet and the driving magnet generate interaction force to drive the diaphragm to sound. Since the motor magnet and the diaphragm are at two sides of the vibrator, the diaphragm has enough vibration space and has a good loudspeaker function.

The invention discloses a sound leakage suppression structure for a bone-conduction headphone, which belongs to the technical field of bone-conduction headphones. The sound leakage suppression structure for the bone-conduction headphone comprises a bone conduction loudspeaker, a vibration attenuation layer and a shell, wherein the bone conduction loudspeaker is connected with the vibration attenuation layer; the vibration attenuation layer is in matched connection with the shell; and the bone conduction loudspeaker is not directly contacted with the shell, and the two are separated through the vibration attenuation layer. According to the structure of the invention, the vibration space of the bone conduction loudspeaker can be increased, energy generated by vibration can be better absorbed, and energy transmission to the shell is avoided; and through the vibration attenuation layer, the mechanical vibration generated by the bone conduction loudspeaker can be absorbed, and leaked sounds generated when the mechanical vibration energy is transmitted to the shell of the headphone can be reduced.

The method is suitable for the technical field of chip packaging BGA ball mounting. The invention discloses a ball grid array (BGA) ball mounting plate solder ball removing device, a BGA ball mounting machine and a method, the ball mounting plate solder ball removing device comprises a pneumatic vibration mechanism enabling an upper ball mounting plate and/or a lower ball mounting plate to vibrate, and the pneumatic vibration mechanism comprises a vibrator main body provided with a cavity and a movable cavity core located in the cavity; the vibrator main body is provided with a gas inlet and a gas outlet which are respectively communicated with the cavity, and the gas inlet is connected with pressure gas; the cavity core comprises an impact end and a free end, the free end is provided with a step capable of forming a cavity between the cavity core and the cavity body and an axial blind hole formed in the axial direction, and the axial blind hole is communicated with a radial hole formed in the free end of the cavity core in the radial direction. As the reciprocating stroke, the impact force and the frequency of the cavity core can be adjusted through the pressure gas, the vibration amplitude is effectively controlled, and the falling position precision of residual solder balls is improved. Meanwhile, a large vibration space is also needed, and the structure is simple and compact.

The invention provides an ultrathin loudspeaker, which comprises a basin stand, wherein the basin stand is internally provided with a magnetic circuit system and a vibration system, the magnetic circuit system is connected with the vibration system, a magnetic gap is formed in the magnetic circuit system, and the vibration system comprises a voice coil pipe, a damper, a spherical vibrating diaphragm and a folding ring; And the damper and the spherical vibrating diaphragm are coaxially arranged and located above the folding ring at an interval of a certain distance; the damper is provided withan abdicating hole at the axis, the abdicating hole is fixedly connected with the side surface of the spherical vibrating diaphragm, and part of the spherical vibrating diaphragm is exposed. The ultrathin loudspeaker solves the problems that a loudspeaker in the prior art is large in size and heavy, and the tone quality and the power of the ultrathin loudspeaker are difficult to guarantee. The invention further provides a sound box assembled with the loudspeaker and an electronic product.

The invention discloses a receiver and its assembly process. The receiver includes a shell, a diaphragm mechanism and a driving mechanism. The diaphragm mechanism and the drive mechanism are arranged in the inner cavity of the shell; the diaphragm mechanism has a vibrating plate, and the drive mechanism has a first permanent magnet, a first polar arm, a second polar arm, and a coil; the first polar arm, the second polar arm The installation space enclosed between the two polar arms and the vibrating plate provides enough vibration space for the suspended first permanent magnet, which reduces the height of the receiver; the magnetic field loop formed by the first polar arm and the second polar arm passes through Through the first permanent magnet, the force on it is stronger, and the sensitivity is improved. The assembly process includes the following steps: installing the magnetic component on the inner wall of the second housing, and covering the coil, fixing the first permanent magnet on the vibration plate through the first connecting piece; installing the diaphragm mechanism on the housing , so that the first permanent magnet protrudes into the installation area enclosed by the polarity arm; the first casing and the second casing can be snapped together, which simplifies the installation process and improves the sensitivity.

The invention discloses a telephone receiver which comprises an upper shell, a lower shell, a separating plate and an electromagnetic driving mechanism, wherein the lower shell is composed of a middle shell and a base; the separating plate is arranged in an inner cavity formed by buckling the upper shell and the lower shell; a coil, a first magnet and a reed of the electromagnetic driving mechanism are fixed on the separating plate, a cantilever of the reed passes through the coil, crosses the first magnet and is connected with one end of a connecting piece, and the other end of the connecting piece passes through the separating plate and is connected with a vibrating diaphragm mechanism; a second magnet of the electromagnetic driving mechanism is fixed on the base and is dead against the first magnet; and the end faces, closed to the coil, of the two magnets are respectively in contact with the end face of the coil. When the telephone receiver is assembled, the vibrating diaphragm mechanism and the upper shell form a first module; the second magnet and the base form a second module; the coil, the reed, the first magnet and the separating plate form a third module; and only the end face of the second magnet needs to be aligned with the end face of the coil, which is taken as a locating basis, the base is fixed on an opening of the middle shell, the first magnet is dead against the second magnet, and thus alignment is easy in an assembling process of the telephone receiver.

The invention discloses a novel linear motor, and the linear motor comprises an upper motor cover and a lower motor cover. The interior of the upper and lower motor covers is provided with a spring, arotor assembly, a coil and an FPC board. The rotor assembly comprises a balance block, a magnetic yoke and a magnet. The lower end of the magnet is provided with a first flange edge cooperating withthe spring, and the upper end of the spring is in stacked welding connection with the first flange edge. The lower motor cover is provided with a second trough for installing the FPC board. The upperend of the lower motor cover is provided with a second flange edge cooperating with the spring and the upper motor cover. The lower end of the spring is in stacked welding connection with the second flange edge. The spring, the magnetic yoke and the lower motor cover are made of the same material. The upper end of the FPC board is provided with a plurality of first avoiding grooves cooperating leads of the coil. The linear motor provided by the invention is high in safety and reliability, is good in stability, enlarges the vibration space of the motor, is good in vibration effect, prolongs theservice life of the motor, enlarges the application range of the motor, and can be conveniently used for a power source of the touch feedback of an intelligent device.

The invention provides a loudspeaker module and an electronic device. The loudspeaker module comprises a module shell with a cavity and a loudspeaker monomer accommodated in the cavity, and the loudspeaker monomer divides the cavity into a front vocal cavity and a rear vocal cavity. A sound outlet hole is formed in the module shell, and the front sound cavity is communicated with the sound outlethole through a sound outlet channel. Concave-convex structures which are distributed at intervals are arranged in the area, corresponding to the sound outlet channel, of the module shell. By utilizingthe loudspeaker module, resonance of the module shell can be effectively suppressed, and the effects of improving the high-frequency sensitivity of the loudspeaker module and reducing distortion areachieved.

The invention discloses a loudspeaker and relates to the technical field of electro acoustic products. The loudspeaker comprises a casing. A vibration system and a magnetic circuit system are accommodated in the casing. The vibration system comprises a voice coil and a folding ring adhered to the skeleton periphery of the voice coil. A pad ring is superposed and fixed on the inner edge of the folding ring. The inside edge of the pad ring and the inside edge of the folding ring are adhered to the skeleton periphery. The loudspeaker provided by the invention solves the technical problems of poor folding ring adhering consistency, poor acoustic performance and the like of a loudspeaker in the prior art, and has the advantages of good consistency, high acoustic performance, good sound quality, high production efficiency, high reliability and long service life.

An audible device includes a vibration system, a magnetic system, a basin rack and electrical connector. The vibration system comprises a voice coil, The voice coil leads out the voice coil leads, Anelectrical connection includes a centering diaphragm and an electrically conductive assembly, the centering diaphragm is integrally molded with the conductive module, A conductive assembly includes afirst portion and a second portion injection molded with a centering diaphragm, the first portion and the second portion are located at two ends of the centering diaphragm, a second portion of the conductive assembly is bonded to a side wall of the voice coil, a first portion of the conductive assembly is bonded to the back of the basin frame, the voice coil leads are bonded to the second portionof the conductive assembly, The voice coil lead soldered on the second part of the conductive assembly is electrically connected with the centering diaphragm, and the first part of the conductive assembly is electrically connected with the external wiring through the external pad on the first part, or the technical scheme of integrally molding the centering diaphragm with the conductive assembly and the basin frame can effectively avoid the bonding problem of the conductive assembly and the basin frame.

The invention relates to a musical instrument, particularly a low-disturbance wave efficient-vibration vertical piano. The piano comprises a cast iron plate (1), tuning pegs (2), strings (12), a string nut (3) and string-hanging poles (5). Striking points of the strings (12) form an imaginary striking line (8) below the string nut (3). The striking line (8) is successively opposite to a bass range (11), a mediant range (10), and a treble range (9) of the piano. A wood soundboard (7) is disposed at the back of the cast iron plate (1). The middle lower part of the cast iron plate (1) is provided with a sound mouth (6) leading to the wood soundboard (7). The piano is characterized in that: the upper edge line of the sound mouth (6) of the cast iron plate (1) is higher than the striking line (8). The beneficial effects of the piano are that: no cast iron straps are disposed behind the striking line and the striking line is directly opposite to the wood soundboard, thus eliminating disturbance wave reflected by the cast iron straps; and vibration space behind the striking points is increased, the vibration efficiency of the strings (12) and the soundboard is largely increased, the tone and the sound volume are largely improved, and significant progress and leap of the vertical piano are achieved.

The present invention discloses a vibration motor and a portable device. The motor comprises: a housing, comprising an upper cover and a lower housing connected to each other, an FPCB being inserted in the lower housing, a cavity being arranged inside the housing, and a coil and a vibration system being accommodated in the cavity, wherein the vibration system comprises a vibrator and an elastic support, a magnetic gap is arranged in the vibrator, a first end of the elastic support is connected to the vibrator, and a second end of the elastic support is connected to the housing; and a first end of the coil is fixed at the lower housing, a second end of the coil is inserted in the magnetic gap, and the coil is in signal connection with an external circuit through the FPCB.