WO2022048258A1 - 扬声器及电子设备 - Google Patents

扬声器及电子设备 Download PDF

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Publication number
WO2022048258A1
WO2022048258A1 PCT/CN2021/102268 CN2021102268W WO2022048258A1 WO 2022048258 A1 WO2022048258 A1 WO 2022048258A1 CN 2021102268 W CN2021102268 W CN 2021102268W WO 2022048258 A1 WO2022048258 A1 WO 2022048258A1
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WO
WIPO (PCT)
Prior art keywords
voice coil
sleeve
magnet
loudspeaker
elastic wave
Prior art date
Application number
PCT/CN2021/102268
Other languages
English (en)
French (fr)
Inventor
陈文光
郭明光
陶玲
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to JP2023514090A priority Critical patent/JP2023539346A/ja
Priority to EP21863326.1A priority patent/EP4199538A4/en
Publication of WO2022048258A1 publication Critical patent/WO2022048258A1/zh
Priority to US18/175,767 priority patent/US20230232158A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/04Construction, mounting, or centering of coil
    • H04R9/041Centering
    • H04R9/043Inner suspension or damper, e.g. spider
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12Non-planar diaphragms or cones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones
    • H04R7/18Mounting or tensioning of diaphragms or cones at the periphery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/04Construction, mounting, or centering of coil
    • H04R9/045Mounting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2207/00Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
    • H04R2207/021Diaphragm extensions, not necessarily integrally formed, e.g. skirts, rims, flanges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/11Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/15Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006Interconnection of transducer parts

Definitions

  • the embodiments of the present application relate to the technical field of electronic devices, and in particular, to a speaker and an electronic device.
  • the loudspeaker includes a basin frame, a yoke, a magnet, a voice coil and a spring wave; the basin frame is surrounded by a groove, the yoke is arranged at the bottom of the groove, the yoke is cylindrical, and the end of the yoke is provided with a mounting bracket.
  • the magnet is set in the installation slot; the voice coil is set on the outside of the yoke; the elastic wave is annular, the inner wall of the elastic wave is connected with the voice coil, and the outer wall of the elastic wave is connected with the basin frame; when in use, the voice coil is charged, The voice coil vibrates along the centerline of the yoke, thereby producing sound.
  • the elastic wave limits the volume of the yoke and the length of the voice coil, which in turn leads to a small electromagnetic driving force that drives the vibration of the voice coil, resulting in insufficient sensitivity of the speaker.
  • the embodiments of the present application provide a speaker and an electronic device to solve the technical problem that the electromagnetic driving force driving the vibration of the voice coil is small, so that the sensitivity of the speaker is insufficient.
  • the embodiment of the present application provides a loudspeaker, including: a yoke, a magnet, a voice coil and an elastic wave;
  • the yoke includes a bottom and a sleeve on one side of the bottom;
  • the magnet is annular, and the magnet is sleeved on the outside of the sleeve;
  • the snare is arranged on the outside of the casing, and is located between the casing and the magnet; the elastic wave is located in the area enclosed by the casing.
  • the elastic wave is located in the area enclosed by the casing, the outer edge of the elastic wave is connected with the voice coil, and the middle part of the elastic wave is connected with the yoke; both the magnet and the voice coil are located outside the elastic wave, and the volume of the magnet and the voice coil are in the
  • the length of the coil is not affected by elastic waves, and the volume of the magnet and the length of the coil in the voice coil can be set larger, thereby increasing the electromagnetic driving force for driving the vibration of the voice coil and improving the sensitivity of the speaker.
  • the yoke further includes a boss, and the boss is located in the area enclosed by the casing, and the middle part of the elastic wave is attached to the surface of the boss away from the bottom.
  • the inner wall of the elastic wave facing the bottom is connected with the boss, and in this way, the elastic wave is connected with the bottom through the boss, which can increase the distance between the elastic wave and the bottom, so that the elastic wave can be located at the center axis of the casing. in a vertical plane.
  • the loudspeaker further includes a vibrating sheet, and the end face of the voice coil facing the vibrating sheet is fixedly connected to the side of the vibrating sheet facing the bottom.
  • the vibrating piece includes a main body portion and an extension portion, the main body portion is annular, the extension portion is cylindrical, and the extension portion extends from the inner edge of the main body portion in a direction toward the bottom; The outer edge of the extension part is fixedly connected with the inner wall of the extension part.
  • the outer edge of the elastic wave is connected with the voice coil through the extension portion, and the extension portion can extend into the sleeve, which can reduce the height of the boss, thereby reducing the quality of the speaker.
  • the speaker further includes a support tube, the support tube is located between the elastic wave and the voice coil, and is located in the area enclosed by the sleeve, and the outer edge of the elastic wave is fixed to the inner side wall of the support tube connected, and the support tube is fixedly connected with the voice coil.
  • both ends of the support tube and the voice coil facing away from the bottom are fixedly connected to the vibrating piece. In order to realize the fixation between the support tube and the voice coil through the vibrating sheet.
  • the speaker further includes a dust cover, the dust cover covers the top of the sleeve area, and both the support tube and the voice coil are fixedly connected to the inner wall of the dust cover.
  • the inner wall of the dust cover is provided with a fixing ring, and both the support tube and the voice coil are connected with the fixing ring.
  • the voice coil and the support tube are connected to the dust cover through the fixing ring, which improves the uniformity of the force of the dust cover, and at the same time, the connection between the voice coil and the support tube can be realized through the fixing ring.
  • the loudspeaker further includes a pole piece, the pole piece is annular, and the pole piece covers the surface of the magnet facing away from the bottom.
  • the pole piece can adjust the magnetic field generated by the magnet, so that the magnetic field lines generated by the magnet are concentrated between the inner wall of the pole piece and the sleeve, thereby increasing the magnetic field strength where the coil is located, and improving the electromagnetic drive that drives the movement of the voice coil. force, thereby increasing the sensitivity of the speaker.
  • the edge of the pole piece facing the voice coil protrudes beyond the edge of the magnet facing the voice coil.
  • the distance between the pole piece and the sleeve is smaller than the distance between the magnet and the sleeve, thereby reducing the distance between the inner wall of the pole piece and the coil, so as to further improve the strength of the magnetic field where the coil is located, and further improve the movement of the driving voice coil. the electromagnetic driving force.
  • the loudspeaker further includes a basin frame, the basin frame is provided with a groove, the groove bottom of the groove is provided with a matching hole, and at least part of the voice coil protrudes from the groove bottom of the groove through the matching hole .
  • the edge of the mating hole is abutted with the end face of the pole piece facing away from the voice coil.
  • the pole piece extends into the matching hole, so as to limit the relative position between the pole piece and the pot frame through the matching hole, thereby improving the positional accuracy between the pole piece and the pot frame.
  • the multiple elastic waves there are multiple elastic waves, and the multiple elastic waves are stacked along the direction of the central axis of the casing, and each adjacent two elastic waves are separated from each other.
  • the multiple elastic waves can improve the restoring force of the voice coil, and at the same time, it can further limit the position of the voice coil in the annular gap.
  • the boss along the direction of the central axis of the sleeve, the boss has a plurality of fixing parts, and each elastic wave is fixed on one fixing part. In this way, each elastic wave can be in a plane perpendicular to the central axis of the casing.
  • Embodiments of the present application further provide an electronic device, including: a housing and the above-mentioned speaker, wherein the speaker is located in the housing.
  • the yoke of the speaker includes a bottom and a sleeve on one side of the bottom, a ring-shaped magnet is sleeved on the outer side of the sleeve, and a voice coil is sleeved on the sleeve, and is located between the magnet and the sleeve.
  • the elastic wave is located in the area enclosed by the casing, the outer edge of the elastic wave is connected with the voice coil, and the middle part of the elastic wave is connected with the yoke; the magnet and the voice coil are both located outside the elastic wave, the volume of the magnet and the coil in the voice coil are The length of the coil is not affected by elastic waves, and the volume of the magnet and the length of the coil in the voice coil can be set larger, thereby increasing the electromagnetic driving force for driving the vibration of the voice coil and improving the sensitivity of the speaker.
  • FIG. 1 is a schematic diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram 1 of a speaker provided by an embodiment of the present application.
  • FIG. 3 is an exploded view 1 of a speaker provided by an embodiment of the present application.
  • FIG. 4 is a second schematic structural diagram of a speaker provided by an embodiment of the present application.
  • FIG. 5 is a third schematic structural diagram of a speaker according to an embodiment of the present application.
  • FIG. 6 is an exploded view 2 of a speaker provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of a yoke in a speaker provided by an embodiment of the present application.
  • FIG. 8 is a cross-sectional view taken along the line A-A in FIG. 7 .
  • the loudspeaker includes a basin frame, a yoke, a magnet, a voice coil and an elastic wave.
  • the basin frame is provided with a groove
  • the yoke is set at the bottom of the groove
  • the yoke is provided with a mounting groove
  • the cylindrical magnet is set at the bottom of the groove.
  • In the installation groove there is an annular gap between the magnet and the installation groove, and the voice coil is sleeved outside the magnet and located in the annular gap; Side wall connection.
  • the voice coil When in use, the voice coil is charged, so that the voice coil vibrates along the direction of the center line of the yoke, thereby producing sound; during the vibration of the voice coil, the elastic wave can provide restoring force for the voice coil, so that the voice coil can reciprocate.
  • the elastic wave Since the elastic wave is sleeved outside the magnet and the voice coil, the elastic wave limits the volume of the magnet and the length of the coil in the voice coil, which in turn leads to a small electromagnetic driving force driving the vibration of the voice coil, resulting in insufficient sensitivity of the speaker.
  • This embodiment provides an electronic device, including but not limited to a television, a mobile phone, a tablet computer, a notebook computer, an ultra-mobile personal computer (UMPC), a speaker, a headset, and the like.
  • UMPC ultra-mobile personal computer
  • the electronic device includes a housing 2 and a speaker 1 .
  • the speaker 1 can be arranged inside the housing 2 to play media sound through the speaker 1 when the electronic device is working.
  • the electronic device may also include a display panel disposed on the housing 2, and the display panel may be an organic light emitting diode display panel (LED) or a liquid crystal display panel (LCD), etc. While the display panel displays an image, the speaker 1 may Play the corresponding sound.
  • the display panel can be arranged on the first surface of the housing 2, correspondingly, the speaker 1 can be arranged on the first surface and on both sides of the display panel; of course, the speaker 1 can also be arranged in the housing 2 and the first surface. One side opposite the second side.
  • the speaker 1 includes a basin frame 10 and a vibrating piece 60 , and the basin frame 10 is surrounded by a groove 101 .
  • the vibrating sheet 60 is covered on the basin frame 10 to block the groove 101; the vibrating sheet 60 can be connected with the basin frame 10 by adhesive, and of course the vibrating sheet 60 can also be connected with the basin frame 10 by means of bolt connection or snap connection Further, a ring-shaped elastic fold ring 604 can be provided on the edge of the vibrating sheet 60, the elastic fold ring 604 is arranged around the vibrating sheet 60, and the inner edge of the elastic fold ring 604 is connected with the outer edge of the vibrating sheet 60, and the elastic fold ring 604 is connected with the outer edge of the vibrating sheet 60.
  • the outer edge of 604 is connected with the basin frame 10; the vibrating sheet 60 is connected with the basin frame 10 through the elastic ring 604, which can provide restoring force for the vibrating sheet 60 when it vibrates, and can also reduce the resistance preventing the vibrating sheet 60 from vibrating.
  • the material constituting the elastic ring 604 may include elastic materials such as sponge and rubber. Further, the elastic ring 604 may be in a wave shape or a circular arc shape to further improve the The elasticity of the elastic loop 604 .
  • the speaker 1 further includes a yoke 20, a magnet 40 and a voice coil 30.
  • the bottom of the groove 101 is provided with a matching hole 102.
  • the yoke 20 includes a bottom 202 and a sleeve 201 on one side of the bottom 202.
  • the central axis of the tube 201 is perpendicular to the plane where the bottom of the groove 101 is located, and part of the sleeve 201 extends into the groove 101 through the matching hole 102 .
  • the material constituting the sleeve 201 may include ferromagnetic materials such as steel and iron.
  • the magnet 40 is annular, and the magnet 40 is sleeved on the outer side of the sleeve 201.
  • the material constituting the magnet 40 may include triiron tetroxide, NdFeB, AlNiCo, etc.
  • the central axes of the sleeve 201 , the magnet 40 and the voice coil 30 may be arranged collinearly.
  • the bottom 202 of the yoke 20 can be in the shape of a plate, and the sleeve 201 is arranged on the side of the bottom 202 facing the vibrating piece 60; It can be connected by welding, bolting, etc.
  • one end of the magnet 40 is attached to the side of the bottom 202 facing the vibrating piece 60 , and the magnet 40 can be connected to the bottom 202 by adhesive.
  • the end face of the voice coil 30 facing the vibrating sheet 60 is fixedly connected to the side of the vibrating sheet 60 facing the bottom 202, so as to realize the connection between the voice coil 30 and the vibrating sheet 60, and then when the voice coil 30 is charged and vibrating, the vibrating sheet 60 is driven to vibrate , and then realize the sound.
  • the voice coil 30 may include a tube body 302 and a coil 301 wound on the outer wall of the tube body 302, and the corresponding tube body 302 is sleeved on the sleeve 201; the material constituting the tube body 302 may include insulating materials such as plastic and insulating paper Alternatively, the material constituting the pipe body 302 is a metal material such as copper or aluminum. When the material of the pipe body 302 is a metal material, the coil 301 and the pipe body 302 need to be insulated and connected. One end of the tube body 302 close to the vibration plate 60 is connected to the vibration plate 60 . Exemplarily, the tube body 302 can be connected to the vibration plate 60 by adhesive.
  • the tube body 302 can also be connected to the vibration plate 60 by snap connection.
  • the coil 301 is electrified. Since the coil 301 is located in the magnetic field formed by the magnet 40, the coil 301 is stressed, and then the tube body 302 drives the vibrating piece 60 to vibrate to generate sound.
  • the loudspeaker 1 further includes an elastic wave 50, and the elastic wave 50 is located in the area enclosed by the sleeve 201; the sleeve 201 is enclosed into a cylindrical cavity, and the elastic wave 50 is arranged in the In the cavity; the outer edge of the elastic wave 50 is connected with the voice coil 30, and the middle of the elastic wave 50 is connected with the yoke 20.
  • the elastic wave 50 has a certain elasticity, so that the voice coil 30 reciprocates in the annular gap 204 along the direction parallel to the central axis of the sleeve 201 through its own elastic force during the working process.
  • the elastic wave 50 can also limit the voice coil. 30 within the annular gap 204.
  • the central axis of the elastic wave 50 and the central axis of the sleeve 201 may be arranged parallel to each other, and further, the central axis of the elastic wave 50 and the central axis of the sleeve 201 may be arranged in a collinear manner.
  • the yoke 20 includes a boss 203, the boss 203 is disposed on the bottom 202, and the boss 203 is located in the area enclosed by the sleeve 201.
  • the inner wall of the elastic wave 50 facing the bottom 202 is connected with the boss 203.
  • the elastic wave 50 is connected to the bottom 202 through the boss 203, which can increase the distance between the elastic wave 50 and the bottom 202, so that the elastic wave 50 can be in a plane perpendicular to the central axis of the sleeve 201 .
  • the elastic wave 50 can be connected to the boss 203 by adhesive; for example, a hole can be provided in the middle of the elastic wave 50, and part of the boss 203 is penetrated in the hole. Correspondingly, the inner edge of the elastic wave 50 is connected to the boss. 203 are connected by adhesive glue; of course, the elastic wave 50 can also be covered on the end of the boss 203 away from the bottom 202, and connected with the end of the boss 203 away from the bottom 202 through the adhesive glue, thereby improving the elastic wave 50 and the bottom 202.
  • the connection strength between the bosses 203 is provided to the boss 203 by adhesive; for example, a hole can be provided in the middle of the elastic wave 50, and part of the boss 203 is penetrated in the hole. Correspondingly, the inner edge of the elastic wave 50 is connected to the boss. 203 are connected by adhesive glue; of course, the elastic wave 50 can also be covered on the end of the boss 203 away from the bottom 202, and connected with the end of the boss 203 away from the
  • the yoke 20 of the speaker 1 includes a bottom 202 and a sleeve 201 located on one side of the bottom 202 , the annular magnet 40 is sleeved on the outer side of the sleeve 201 , and the voice coil 30 is sleeved on the sleeve 201, and between the magnet 40 and the sleeve 201; the elastic wave 50 is located in the area enclosed by the sleeve 201, the outer edge of the elastic wave 50 is connected with the voice coil 30, and the middle of the elastic wave 50 is connected with the yoke 20; Both the magnet 40 and the voice coil 30 are located on the outside of the elastic wave 50.
  • the volume of the magnet 40 and the length of the coil 301 in the voice coil 30 are not affected by the elastic wave 50.
  • the volume of the magnet 40 and the length of the coil 301 in the voice coil 30 can be set. is larger, thereby increasing the electromagnetic driving force for driving the vibration of the voice coil 30 and improving the sensitivity of the speaker 1 .
  • the magnet 40 and the voice coil 30 are both arranged outside the elastic wave 50, and the thickness of the speaker 1 can be reduced while having sufficient electromagnetic driving force and sensitivity, which is convenient to realize Ultra thin.
  • the vibrating piece 60 includes a main body portion 601 and an extension portion 602 , the main body portion 601 is annular, the extension portion 602 is cylindrical, and the extension portion 602 is from the inner edge of the main body portion 601 .
  • the outer edge of the spring wave 50 Extending in a direction towards the bottom 202 , the outer edge of the spring wave 50 is fixedly connected to the interior of the extension 602 .
  • the outer edge of the elastic wave 50 is connected with the voice coil 30 through the extension portion 602 , and the extension portion 602 can extend into the sleeve 201 , which can reduce the height of the boss 203 , thereby reducing the mass of the speaker 1 .
  • the central axis of the extension portion 602 is arranged parallel to the central axis of the voice coil 30 , and further, the central axis of the extension portion 602 is arranged in line with the central axis of the voice coil 30 .
  • the elastic wave 50 may be connected with the inner wall of the extension part 602 by adhesive glue.
  • a dust cover 609 may be provided on the main body portion 601 , and the dust cover 609 may block the inner edge of the main body portion 601 .
  • the speaker 1 further includes a pole piece 70, the pole piece 70 is annular, the pole piece 70 covers the surface of the magnet 40 away from the bottom 202; the pole piece 70 can adjust the magnetic field generated by the magnet 40 , so that the magnetic field lines generated by the magnet 40 are concentrated between the inner edge of the pole piece 70 and the sleeve 201, thereby increasing the magnetic field strength where the coil 301 is located, increasing the electromagnetic driving force driving the movement of the voice coil 30, and further improving the Sensitivity of speaker 1.
  • the material constituting the pole piece 70 may include ferromagnetic materials such as iron and steel.
  • the central axis of the pole piece 70 and the central axis of the magnet 40 may be arranged parallel to each other. Further, the central axis of the pole piece 70 and the central axis of the magnet 40 may be arranged co-linear.
  • the edge of the pole piece 70 facing the voice coil 30 protrudes from the edge of the magnet 40 facing the voice coil 30 , so that the distance between the pole piece 70 and the sleeve 201 is smaller than the distance between the magnet 40 and the sleeve 201 , thereby reducing the distance between the inner edge of the pole piece 70 and the coil 301 , so as to further increase the strength of the magnetic field where the coil 301 is located, and further increase the electromagnetic driving force for driving the voice coil 30 to move.
  • the central axis of the pole piece 70 and the central axis of the magnet 40 are arranged collinearly, and the inner diameter of the pole piece 70 is smaller than that of the magnet 40 .
  • the basin frame 10 is provided with a groove 101, the bottom of the groove 101 is provided with a matching hole 102, and at least part of the voice coil 30 protrudes from the bottom of the groove 101 through the matching hole 102; a reasonable setting
  • the size of the matching hole 102 is such that the side wall of the matching hole 102 fits with the end face of the pole piece 70 away from the voice coil 30 , that is, the pole piece 70 extends into the matching hole 102 to restrict the pole piece 70 through the matching hole 102
  • the relative position with the pot frame 10 improves the positional accuracy between the pole piece 70 and the pot frame 10 .
  • the pole piece 70 protrudes into the matching hole 102 , so that part of the pot frame 10 can fit with the end of the magnet 40 facing away from the yoke 20 , and the pot frame 10 and the end of the magnet 40 facing away from the yoke 20 can be glued to each other.
  • a glue connection is made to realize the connection between the basin body 10 and the magnet 40 .
  • the bottom 202 of the yoke 20 may be provided with a process hole 205 (not shown), the process hole 205 is located in the area enclosed by the sleeve 201, and the process hole 205 is communicated with the sleeve 201;
  • the clamp can be extended into the process hole 205, and then the vibration plate 60 and the yoke 20 can be positioned by the clamp, which facilitates the assembly of the speaker 1 and improves the assembly accuracy of the speaker 1.
  • the speaker 1 includes a basin frame 10 and a vibrating piece 60 , and the basin frame 10 is surrounded by a groove 101 .
  • the vibrating sheet 60 is covered on the basin frame 10 to block the groove 101; the vibrating sheet 60 can be connected with the basin frame 10 by adhesive, and of course the vibrating sheet 60 can also be connected with the basin frame 10 by means of bolt connection or snap connection Further, a ring-shaped elastic fold ring 604 can be provided on the edge of the vibrating sheet 60, the elastic fold ring 604 is arranged around the vibrating sheet 60, and the inner edge of the elastic fold ring 604 is connected with the outer edge of the vibrating sheet 60, and the elastic fold ring 604 is connected with the outer edge of the vibrating sheet 60.
  • the outer edge of 604 is connected with the basin frame 10; the vibrating sheet 60 is connected with the basin frame 10 through the elastic ring 604, which can provide restoring force for the vibrating sheet 60 when it vibrates, and can also reduce the resistance preventing the vibrating sheet 60 from vibrating.
  • the loudspeaker 1 further includes a yoke 20, a magnet 40 and a voice coil 30.
  • the bottom of the groove 101 is provided with a matching hole 102.
  • the yoke 20 includes a bottom and a sleeve 201 on one side of the bottom.
  • the sleeve 201 The central axis of the groove 101 is perpendicular to the plane where the groove bottom is located, and part of the sleeve 201 extends into the groove 101 through the matching hole 102 .
  • the sleeve 201 can also be located outside the groove 101 .
  • the magnet 40 is annular, and the magnet 40 is sleeved on the outside of the sleeve 201; there is an annular gap 204 between the inner wall of the magnet 40 and the outer wall of the sleeve 201, the voice coil 30 is tubular, and the voice coil 30 is sleeved outside the sleeve 201.
  • the coil 30 is located within the annular gap 204 such that the voice coil 30 is located within the magnetic field created by the magnet 40 .
  • the bottom 202 of the yoke 20 can be in the shape of a plate, and the sleeve 201 is arranged on the side of the bottom 202 facing the vibrating piece 60; It can be connected by welding, bolting, etc.
  • one end of the magnet 40 is attached to the side of the bottom 202 facing the vibrating piece 60 , and the magnet 40 can be connected to the bottom 202 by adhesive.
  • the end face of the voice coil 30 facing the vibrating sheet 60 is fixedly connected to the side of the vibrating sheet 60 facing the bottom 202, so as to realize the connection between the voice coil 30 and the vibrating sheet 60, and then when the voice coil 30 is charged and vibrating, the vibrating sheet 60 is driven to vibrate , and then realize the sound.
  • the voice coil 30 may include a tube body 302 and a coil 301 wound on the outer wall of the tube body 302, and the corresponding tube body 302 is sleeved on the sleeve 201; the material constituting the tube body 302 may include insulating materials such as plastic and insulating paper Alternatively, the material constituting the pipe body 302 is a metal material such as copper or aluminum. When the material of the pipe body 302 is a metal material, the coil 301 and the pipe body 302 need to be insulated and connected. One end of the tube body 302 close to the vibration plate 60 is connected to the vibration plate 60 . Exemplarily, the tube body 302 can be connected to the vibration plate 60 by adhesive.
  • the tube body 302 can also be connected to the vibration plate 60 by snap connection.
  • the coil 301 is electrified. Since the coil 301 is located in the magnetic field formed by the magnet 40, the coil 301 is stressed, and then the tube body 302 drives the vibrating piece 60 to vibrate to generate sound.
  • the speaker 1 further includes an elastic wave 50 , and the elastic wave 50 is located in the area enclosed by the sleeve 201 ; the sleeve 201 is enclosed into a cylindrical cavity, and the elastic wave 50 is arranged in the cavity ; The outer edge of the elastic wave 50 is connected with the voice coil 30, and the middle of the elastic wave 50 is connected with the yoke 20.
  • the elastic wave 50 has a certain elasticity, so that the voice coil 30 can reciprocate in the annular gap 204 along the direction parallel to the central axis of the sleeve 201 through its own elastic force during the working process.
  • the elastic wave 50 can also limit the sound The position of the ring 30 within the annular gap 204 .
  • the central axis of the elastic wave 50 and the central axis of the sleeve 201 may be arranged parallel to each other, and further, the central axis of the elastic wave 50 and the central axis of the sleeve 201 may be arranged in a collinear manner.
  • the yoke 20 includes a boss 203 , the boss 203 is disposed on the bottom 202 , and the boss 203 is located in the area enclosed by the sleeve 201 .
  • the inner wall of the elastic wave 50 facing the bottom 202 is connected with the boss 203.
  • the elastic wave 50 is connected to the bottom 202 through the boss 203, which can increase the distance between the elastic wave 50 and the bottom 202, so that the elastic wave 50 can be in a plane perpendicular to the central axis of the sleeve 201 .
  • the elastic wave 50 can be connected to the boss 203 by adhesive; for example, a hole can be provided in the middle of the elastic wave 50, and part of the boss 203 is penetrated in the hole. Correspondingly, the inner edge of the elastic wave 50 is connected to the boss. 203 are connected by adhesive glue; of course, the elastic wave 50 can also be covered on the end of the boss 203 away from the bottom 202, and connected with the end of the boss 203 away from the bottom 202 through the adhesive glue, thereby improving the elastic wave 50 and the convex The strength of the connection between the stations 203.
  • the yoke 20 of the speaker 1 includes a bottom 202 and a sleeve 201 located on one side of the bottom 202 , the annular magnet 40 is sleeved on the outer side of the sleeve 201 , and the voice coil 30 is sleeved on the sleeve 201, and between the magnet 40 and the sleeve 201; the elastic wave 50 is located in the area enclosed by the sleeve 201, the outer edge of the elastic wave 50 is connected with the voice coil 30, and the middle of the elastic wave 50 is connected with the yoke 20; Both the magnet 40 and the voice coil 30 are located on the outside of the elastic wave 50.
  • the volume of the magnet 40 and the length of the coil 301 in the voice coil 30 are not affected by the elastic wave 50.
  • the volume of the magnet 40 and the length of the coil 301 in the voice coil 30 can be set. is larger, thereby increasing the electromagnetic driving force for driving the vibration of the voice coil 30 and improving the sensitivity of the speaker 1 .
  • the magnet 40 and the voice coil 30 are both arranged outside the elastic wave 50, and the thickness of the speaker 1 can be reduced while having sufficient electromagnetic driving force and sensitivity, which is convenient to realize Ultra thin.
  • the speaker 1 further includes a support tube 603, the support tube 603 is located between the elastic wave 50 and the voice coil 30, and is located in the area enclosed by the sleeve 201, the outer edge of the elastic wave 50 and The inner wall of the support tube 603 is fixedly connected, and the support tube 603 is fixedly connected to the voice coil 30 .
  • the support tube 603 can be directly connected with the voice coil 30 to realize the fixation between the support tube 603 and the voice coil 30 .
  • the support tube 603 can also be connected to the voice coil 30 through the skeleton, so as to realize the indirect connection between the support tube 603 and the voice coil 30 .
  • both ends of the support tube 603 and the voice coil 30 facing away from the bottom 202 are fixedly connected to the vibration piece 60 , so that the support tube 603 and the voice coil 30 are fixed through the vibration piece 60 .
  • the support tube 603 and the voice coil 30 can be directly connected to the vibrating piece 60 to realize the fixation between the support tube 603 and the voice coil 30 and the vibrating piece 60; of course, the support tube 603 and the voice coil 30 can also be connected to the vibrating piece 60 through other components.
  • the vibrating piece 60 is connected to realize the indirect connection between the support tube 603 and the voice coil 30 and the vibrating piece 60 .
  • the speaker 1 further includes a dust cover 609 , the dust cover 609 covers the top of the casing area, and both the support tube 603 and the voice coil 30 are fixedly connected to the inner wall of the dust cover 609 .
  • the casing area is a columnar area surrounded by the outer wall of the casing 201 , and the top of the casing area is the end of the columnar area away from the bottom 202 .
  • the vibrating sheet 60 is provided with a through hole facing the sleeve 201, the dust cover 609 covers the vibrating sheet 60 to block the through hole, and the outer edge of the vibrating sheet 60 is connected to the basin frame 10; correspondingly Both the voice coil 30 and the support tube 603 are connected to the vibrating piece 601 .
  • both the support tube 603 and the voice coil 30 can be directly connected to the inner wall of the dust cover 609 to realize the direct connection between the support tube 603 and the voice coil 30 and the dust cover 609; of course, the support tube 603 and the voice coil 30 can also be connected through other
  • the indirect connection between the component and the inner wall of the dust cover 609 is not limited in this embodiment.
  • a fixing ring 605 is provided on the inner wall of the dust cover 609 toward the bottom 202 , and both the voice coil 30 and the support tube 603 are connected to the fixing ring 605 .
  • the voice coil 30 and the support tube 603 are connected to the dust cover 609 through the fixing ring 605 , which improves the uniformity of the force on the dust cover 609 . Connection.
  • the fixing ring 605 may be connected to the dust cover 609 by adhesive.
  • the fixing ring 605 may also be connected to the dust cover 609 by clamping or bolting, which is not limited in this embodiment.
  • the vibrating plate 601 can be surrounded by a truncated truncated diffusion cavity 608 , and the central axis of the diffusion cavity 608 and the central axis of the sleeve 201 can be co-linear; the diffusion cavity 608 is along the direction of the central axis Both ends have openings, of which the opening with a smaller area is a through hole; the dust cover 609 is arranged in the diffusion cavity 608, and the dust cover 609 is connected with the side wall of the diffusion cavity 608; correspondingly, the side of the through hole The wall is connected to the voice coil 30 .
  • the voice coil 30 is not only connected to the dust cover 602 through the fixing ring 605, but also connected to the vibrating sheet 601, which improves the connection strength between the voice coil 30 and the vibrating sheet 60, thereby avoiding the separation of the voice coil 30 and the vibrating sheet 60. .
  • the voice coil 30 includes the tube body 302 and the coil 301 wound on the tube body 302
  • the end of the tube body 302 facing away from the bottom 202 is connected to the fixing ring 605
  • the side wall of the through hole of the vibrating piece 601 is connected to the side wall of the tube body 302 .
  • Side wall connection
  • a first annular groove 606 and a second annular groove 607 may be provided at intervals on the fixing ring 605, the diameter of the first annular groove 606 is smaller than the diameter of the second annular groove 607, and the corresponding support tube 603 is away from One end of the yoke 20 is inserted into the first annular groove 606, and the end of the pipe body 302 away from the yoke 20 is inserted into the second annular groove 607, so that a further part of the support pipe 603, the pipe body 302 and the fixing ring can be improved.
  • adhesive can be arranged in the first annular groove 606, and then the support pipe 603 is inserted into the first annular groove 606, thereby realizing the connection between the support pipe 603 and the fixing ring 605; Adhesive is arranged in the second annular groove 607 , and then the pipe body 302 is inserted into the second annular groove 607 , so as to realize the connection between the pipe body 302 and the fixing ring 605 .
  • the yoke 20 of the speaker 1 includes a bottom 202 and a sleeve 201 located on one side of the bottom 202 , the annular magnet 40 is sleeved on the outer side of the sleeve 201 , and the voice coil 30 is sleeved on the sleeve 201, and between the magnet 40 and the sleeve 201; the elastic wave 50 is located in the area enclosed by the sleeve 201, the outer edge of the elastic wave 50 is connected with the voice coil 30, and the middle of the elastic wave 50 is connected with the yoke 20; Both the magnet 40 and the voice coil 30 are located on the outside of the elastic wave 50.
  • the volume of the magnet 40 and the length of the coil 301 in the voice coil 30 are not affected by the elastic wave 50.
  • the volume of the magnet 40 and the length of the coil 301 in the voice coil 30 can be set. is larger, thereby increasing the electromagnetic driving force for driving the vibration of the voice coil 30 and improving the sensitivity of the speaker 1 .
  • the magnet 40 and the voice coil 30 are both arranged outside the elastic wave 50, and the thickness of the speaker 1 can be reduced while having sufficient electromagnetic driving force and sensitivity, which is convenient to realize Ultra thin.
  • the speaker 1 further includes a pole piece 70, the pole piece 70 is annular, the pole piece 70 covers the surface of the magnet 40 away from the bottom 202; the pole piece 70 can adjust the magnetic field generated by the magnet 40 to make The magnetic field lines generated by the magnet 40 are concentrated between the inner wall of the pole piece 70 and the sleeve 201 , thereby increasing the magnetic field strength where the coil 301 is located, increasing the electromagnetic driving force driving the movement of the voice coil 30 , and further improving the sensitivity of the speaker 1 .
  • the material constituting the pole piece 70 may include ferromagnetic materials such as iron and steel.
  • the central axis of the pole piece 70 and the central axis of the magnet 40 are arranged collinearly, and the edge of the pole piece 70 facing the voice coil 30 protrudes from the edge of the magnet 40 facing the voice coil.
  • the pole piece 70 and the sleeve The distance between the 201 is smaller than the distance between the magnet 40 and the sleeve 201, thereby reducing the distance between the inner wall of the pole piece 70 and the coil 301, so as to further improve the strength of the magnetic field where the coil 301 is located, and further improve the driving force of the voice coil 30 to move. Electromagnetic driving force.
  • the basin frame 10 is provided with a groove 101
  • the groove bottom of the groove 101 is provided with a matching hole 102
  • at least part of the voice coil 30 protrudes from the groove bottom of the groove 101 through the matching hole 102
  • the basin frame 10 The surface of the pole piece 70 away from the bottom 202 can be connected by adhesive glue or riveting pressure. In this way, the connection area between the pot frame 10 and the pole piece 70 is larger, and the connection between the pot frame 10 and the pole piece 70 is improved. force.
  • the bottom 202 of the yoke 20 may be provided with a process hole 205 , the process hole 205 is located in the area enclosed by the sleeve 201 , and the process hole 205 and the sleeve 201 During the assembly process of the speaker 1, the clamp can be extended into the process hole 205, and then the positioning of the vibration plate 60 and the yoke 20 can be realized through the clamp, which facilitates the assembly of the speaker 1, and also improves the speaker 1. assembly accuracy.
  • process holes 205 there may be a plurality of process holes 205, and the plurality of process holes 205 are arranged at intervals around the central axis of the sleeve 201, so as to facilitate the positioning of the vibrating piece 60 and the yoke 20.
  • the difference between this embodiment and the second scenario is that there can be multiple elastic waves 50 , and the multiple elastic waves 50 are stacked along the direction of the central axis of the casing 201 , and each adjacent two The elastic waves 50 are isolated from each other, that is, a plurality of elastic waves 50 are arranged in parallel and spaced apart. In this way, the plurality of elastic waves 50 can improve the restoring force of the voice coil 30 , and can also further limit the position of the voice coil 30 in the annular gap 204 .
  • the boss 203 includes a plurality of fixing parts 206, and the plurality of fixing parts 206 are arranged in sequence along the direction of the central axis of the sleeve 201, and each elastic wave 50 is fixed on one fixing part 206;
  • the elastic waves 50 are all in a plane perpendicular to the central axis of the casing 201 .
  • the number of the fixing parts 206 may be 2, 3, 4, etc., and the corresponding number of the elastic waves 50 is the same as the number of the fixing parts 206 .
  • the fixing portion 206 close to the bottom 202 may be integrally formed with the bottom 202 , and two adjacent fixing portions 206 of the other fixing portions 206 may be bonded by bonding.
  • the fixing portion 206 near the bottom 202 may be integrally formed with the bottom 202, and the fixing portion 206 near the bottom 202 is provided with a connection screw hole, and the corresponding other fixing portions 206 are Mounting holes are provided, and the connecting bolts pass through the mounting holes on each fixing portion 206 in sequence, and cooperate with the connecting screw holes to connect the fixing portions 206 together.
  • the fixing part 206 away from the bottom 202 does not completely cover the fixing part 206 close to the bottom 202 , that is, the end surface of the fixing part 206 close to the bottom 202 away from the bottom 202 has an installation position.
  • the elastic wave 50 can be covered on the installation position to facilitate the installation of the elastic wave 50 .
  • the elastic wave 50 can also be sandwiched between two adjacent fixing parts 206 to improve the connection strength between the elastic wave 50 and the fixing part 206 .
  • the plurality of fixing portions 206 may have an integral structure, and among the corresponding two adjacent fixing portions 206 , the fixing portion 206 far from the bottom 202 does not completely cover the fixing portion 206 near the bottom 202 , so that the fixing portion 206 close to the bottom
  • One end of the fixing portion 206 of the 202 away from the bottom 202 has an installation position, and the elastic wave 50 is covered on the installation position, so as to facilitate the installation of the elastic wave 50 .
  • first and second are only used to facilitate the description of different components, and should not be understood as indicating or implying a sequence relationship, relative importance, or implicitly indicating indicated the number of technical characteristics.
  • a feature delimited with “first”, “second” may expressly or implicitly include at least one of that feature.
  • connection In this application, unless otherwise expressly specified, the terms “installation”, “connection”, “connection”, “fixation” and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, Or integrally formed, it can be mechanically connected, it can be electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication between two elements or the interaction relationship between the two elements, unless There are other clear restrictions. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

本申请实施例属于电子设备技术领域,具体涉及一种扬声器及电子设备。本申请实施例旨在解决驱动音圈振动的电磁驱动力较小,使得扬声器的灵敏度不足的技术问题。本申请实施的扬声器及电子设备,轭铁包括底部和位于底部一侧的套管,呈环形的磁体套设在套管的外侧,音圈套设在套管上,且位于磁体和套管之间;弹波位于套管围合的区域内,弹波的外边缘与音圈连接,弹波的中部与轭铁连接;磁体和音圈均位于弹波的外侧,磁体的体积和音圈中线圈的长度不受弹波的影响,可以将磁体的体积以及音圈中线圈的长度设置的较大,进而增大了驱动音圈振动的电磁驱动力,提高了扬声器的灵敏度。

Description

扬声器及电子设备
本申请要求于2020年09月01日提交中国专利局、申请号为202010903510.5、申请名称为“扬声器及电子设备”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请实施例涉及电子设备技术领域,尤其涉及一种扬声器及电子设备。
背景技术
扬声器常设置在电视机、显示器以及平板电脑等终端设备上,用于播放媒体声音。相关技术中,扬声器包括盆架、轭铁、磁石、音圈以及弹波;盆架围设成凹槽,轭铁设置在凹槽的槽底,轭铁呈柱状,轭铁的末端设置有安装槽,磁石设置在安装槽内;音圈套设在轭铁的外部;弹波呈圆环状,弹波的内壁与音圈连接,弹波的外壁与盆架连接;使用时,音圈带电,使得音圈沿轭铁的中心线方向振动,进而产生声音。
然而,弹波限制了轭铁体积以及音圈的长度,进而导致驱动音圈振动的电磁驱动力较小,使得扬声器的灵敏度不足。
发明内容
有鉴于此,本申请实施例提供一种扬声器及电子设备,以解决驱动音圈振动的电磁驱动力较小,使得扬声器的灵敏度不足的技术问题。
本申请实施例提供一种扬声器,包括:轭铁、磁体、音圈和弹波;轭铁包括底部和位于底部一侧的套管;磁体呈环状,磁体套设在套管的外侧;音圈套设在套管的外侧,且位于套管和磁体之间;弹波位于套管围合的区域内。
通过上述设置,弹波位于套管围合的区域内,弹波的外边缘与音圈连接,弹波的中部与轭铁连接;磁体和音圈均位于弹波的外侧,磁体的体积和音圈中线圈的长度不受弹波的影响,可以将磁体的体积以及音圈中线圈的长度设置的较大,进而增大了驱动音圈振动的电磁驱动力,提高了扬声器的灵敏度。
在可以包括上述实施例的一些实施例中,轭铁还包括凸台,且凸台位于套管围合的区域内,弹波的中部贴合在凸台背离底部的表面。
如此设置,弹波的朝向底部的内壁与凸台连接,如此设置,弹波通过凸台与底部连接,可以增大弹波与底部之间的距离,进而使得弹波可以位于与套管中心轴线垂直的平面内。
在可以包括上述实施例的一些实施例中,扬声器还包括振动片,音圈朝向振动片的端面与振动片朝向底部的一侧固定连接。
在可以包括上述实施例的一些实施例中,振动片包括主体部和延伸部,主体部呈环状,延伸部呈筒状,延伸部自主体部的内边缘沿朝底部的方向延伸;弹波的外边缘 与延伸部的内壁固定连接。
如此设置,弹波的外边缘通过延伸部与音圈连接,延伸部可以伸入到套管内,可以减小凸台的高度,进而减小扬声器的质量。
在可以包括上述实施例的一些实施例中,扬声器还包括支撑管,支撑管位于弹波和音圈之间,且位于套管围合的区域内,弹波的外边缘与支撑管的内侧壁固定连接,且支撑管与音圈固定连接。
在可以包括上述实施例的一些实施例中,支撑管和音圈背离底部的一端均与振动片固定连接。以通过振动片实现支撑管和音圈之间的固定。
在可以包括上述实施例的一些实施例中,扬声器还包括防尘罩,防尘罩覆盖套管区域的顶部,支撑管和音圈均与防尘罩的内壁固定连接。
在可以包括上述实施例的一些实施例中,防尘罩的内壁设置有固定环,支撑管和音圈均与固定环连接。
如此设置,音圈和支撑管通过固定环与防尘罩连接,提高了防尘罩受力的均匀性,同时通过固定环还可以实现音圈和支撑管之间的连接。
在可以包括上述实施例的一些实施例中,扬声器还包括极片,极片呈环形,极片覆盖在磁体背离底部的表面。
如此设置,极片可以调节磁体产生的磁场,以使磁体产生的磁场线集中在极片的内壁和套管之间,进而提高了线圈所处的磁场强度,提高了驱动音圈运动的电磁驱动力,进而提高了扬声器的灵敏度。
在可以包括上述实施例的一些实施例中,极片朝向音圈的边缘凸出于磁体朝向音圈的边缘。如此设置,极片与套管之间距离小于磁体与套管之间距离,进而减小了极片内壁与线圈之间距离,以进一步提高线圈所处的磁场的强度,进一步提高驱动音圈运动的电磁驱动力。
在可以包括上述实施例的一些实施例中,扬声器还包括盆架,盆架上设置有凹槽,凹槽的槽底上设置有配合孔,至少部分音圈由配合孔自凹槽的槽底伸出。
在可以包括上述实施例的一些实施例中,配合孔的边缘与极片背离音圈的端面贴合。极片伸入到配合孔内,以通过配合孔限制极片与盆架之间的相对位置,提高了极片与盆架之间的位置精度。
在可以包括上述实施例的一些实施例中,弹波为多个,多个弹波沿套管的中心轴线的方向层叠设置,且每相邻的两个弹波之间相隔离。如此设置,多个弹波可以提高音圈的恢复力,同时也可以进一步限制音圈在环形缝隙内的位置。
在可以包括上述实施例的一些实施例中,沿套管的中心轴线的方向,凸台具有多个固定部,每一个弹波固定在一个固定部上。如此设置,可以使得每一弹波均处于垂直于套管中心轴线的平面内。
本申请实施例还提供一种电子设备,包括:壳体和如上所述的扬声器,所述扬声器位于所述壳体内。
本申请实施例提供的电子设备,扬声器的轭铁包括底部和位于底部一侧的套管,呈环形的磁体套设在套管的外侧,音圈套设在套管上,且位于磁体和套管之间;弹波位于套管围合的区域内,弹波的外边缘与音圈连接,弹波的中部与轭铁连接;磁体和 音圈均位于弹波的外侧,磁体的体积和音圈中线圈的长度不受弹波的影响,可以将磁体的体积以及音圈中线圈的长度设置的较大,进而增大了驱动音圈振动的电磁驱动力,提高了扬声器的灵敏度。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例或相关技术描述中所需要使用的附图作一简单地介绍,显而易见地,下面描述中的附图是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本申请实施例提供的电子设备的示意图;
图2为本申请实施例提供的扬声器的结构示意图一;
图3为本申请实施例提供的扬声器的爆炸图一;
图4为本申请实施例提供的扬声器的结构示意图二;
图5为本申请实施例提供的扬声器的结构示意图三;
图6为本申请实施例提供的扬声器的爆炸图二;
图7为本申请实施例提供的扬声器中轭铁的结构示意图;
图8为图7中A-A向的剖视图。
附图标记说明:
1:扬声器;
2:壳体;
10:盆架;
20:轭铁;
30:音圈;
40:磁体;
50:弹波;
60:振动片;
70:极片;
101:凹槽;
102:配合孔;
201:套管;
202:底部;
203:凸台;
204:环形缝隙;
205:工艺孔;
206:固定部;
301:线圈;
302:管体;
601:主体部;
602:延伸部;
603:支撑管;
604:弹性折环;
605:固定环;
606:第一环形槽;
607:第二环形槽;
608:扩散腔;
609:防尘罩。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚,下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
扬声器包括盆架、轭铁、磁石、音圈以及弹波,盆架上设置有凹槽,轭铁设置在凹槽的槽底,且轭铁上设置有安装槽,呈圆柱状的磁石设置在安装槽内,磁石和安装槽之间具有环形缝隙,音圈套设在磁石的外部,并且位于环形缝隙内;弹波呈环形,弹波的内壁与音圈连接,弹波的外壁与凹槽的侧壁连接。使用时,音圈带电,使得音圈沿轭铁的中心线方向振动,进而产生声音;在音圈振动的过程中,弹波可以为音圈提供恢复力,进而使音圈可以往复运动。
由于弹波套设在磁石和音圈的外部,弹波限制了磁石体积以及音圈中线圈的长度,进而导致驱动音圈振动的电磁驱动力较小,使得扬声器的灵敏度不足。
本实施例提供一种电子设备,包括但不限于电视机、手机、平板电脑、笔记本电脑、超级移动个人计算机(ultra-mobile personal computer,UMPC)、音箱、耳机等。
如图1所示,本实施例提供的电子设备,包括壳体2以及扬声器1,扬声器1可以设置在壳体2的内部,以在电子设备工作时,通过扬声器1播放媒体声音。进一步地,电子设备还可以包括设置在壳体2上的显示面板,显示面板可以为有机发光二极管显示面板(LED)或者液晶显示面板(LCD)等,在显示面板显示图像的同时,扬声器1可以播放相应的声音。显示面板可以使设置在壳体2的第一面上,相应的,扬声器器1可以设置在第一面上、且位于显示面板的两侧;当然扬声器1也可以设置在壳体2中与第一面相对的第二面上。
场景一
请参照图2和图3,本实施例中,扬声器1包括盆架10以及振动片60,盆架10围设成凹槽101。振动片60覆盖在盆架10上,以封堵凹槽101;振动片60可以通过粘结胶与盆架10连接,当然振动片60也可以通过螺栓连接或者卡接的方式与盆架10连接;进一步地,可以在振动片60的边缘设置呈环形的弹性折环604,弹性折环604环绕振动片60设置,并且弹性折环604的内边缘与振动片60的外边缘连接,弹性折 环604的外边缘与盆架10连接;振动片60通过弹性折环604与盆架10连接,可以在振动片60振动时为其提供恢复力,也可以减小阻止振动片60振动的阻力。
如图2和图3所示,在上述实现方式中,构成弹性折环604的材质可以包括海绵、橡胶等弹性材料,进一步地,弹性折环604可以呈波浪形状或圆弧形,以进一步提高弹性折环604的弹性。
本实施例中,扬声器1还包括轭铁20、磁体40以及音圈30,凹槽101的槽底设置有配合孔102,轭铁20包括底部202和位于底部202一侧的套管201,套管201的中心轴线与凹槽101槽底所在的平面垂直,部分套管201由配合孔102伸入到凹槽101内,当然,套管201也可以位于凹槽101的外部。构成套管201的材质可以包括钢、铁等铁磁性材质。磁体40呈环状,磁体40套设在套管201外侧,构成磁体40的材质可以包括四氧化三铁、钕铁硼、铝镍钴等;磁体40内壁与套管201外壁之间具有环形缝隙204,音圈30呈管状,音圈30套设在套管201外,并且音圈30位于环形缝隙204内,使得音圈30位于磁体40形成的磁场内。
示例性的,套管201、磁体40以及音圈30的中心轴线可以共线设置。
进一步地,轭铁20的底部202可以呈板状,套管201设置在底部202朝向振动片60的一侧;套管201与底部202可以为一体结构,当然套管201与底部202之间还可以通过焊接、螺栓连接等方式连接。相应的,磁体40的一端与底部202朝向振动片60的一侧贴合,磁体40可以通过粘结胶与底部202连接。
音圈30朝向振动片60的端面与振动片60朝向底部202的一侧固定连接,以实现音圈30与振动60之间的连接,进而在音圈30带电而振动时,带动振动片60振动,进而实现发声。
其中,音圈30可以包括管体302以及缠绕在管体302外壁上的线圈301,相应的管体302套设在套管201上;构成管体302的材料可以包括塑料、绝缘纸等绝缘材质,或者,构成管体302的材料为铜、铝等金属材质,在管体302的材料为金属材料时,需使线圈301与管体302之间绝缘连接。管体302靠近振动片60的一端与振动片60连接,示例性的,管体302可以通过粘结胶与振动片60连接,当然管体302也可以通过卡接的方式与振动片60连接。在扬声器1工作时,线圈301带电,由于线圈301位于磁体40形成的磁场内,线圈301受力,进而通过管体302带动振动片60振动,产生声音。
继续参照图2和图3,本实施例中,扬声器1还包括弹波50,弹波50位于套管201围合的区域内;套管201围合成呈柱状的空腔,弹波50设置在空腔内;弹波50的外边缘与音圈30连接,弹波50的中部与轭铁20连接。弹波50具有一定的弹性,以在工作的过程中,通过自身的弹力使得音圈30在环形缝隙204内沿平行于套管201中心轴线方向往复运动,另外,弹波50还可以限制音圈30在环形缝隙204内的位置。示例性的,弹波50的中心轴线与套管201的中心轴线可以平行设置,进一步地,弹波50的中心轴线与套管201的中心轴线可以共线设置。
在上述实现方式中,轭铁20包括凸台203,凸台203设置在底部202上,并且凸 台203位于套管201围合的区域内。弹波50的朝向底部202的内壁与凸台203连接,如此设置,弹波50通过凸台203与底部202连接,可以增大弹波50与底部202之间的距离,进而使得弹波50可以位于与套管201中心轴线垂直的平面内。
弹波50可以通过粘结胶与凸台203连接;示例性的,弹波50的中部可以设置有孔洞,部分凸台203穿设在孔洞内,相应的,弹波50的内边缘与凸台203之间通过粘结胶连接;当然也弹波50也可以覆盖在凸台203背离底部202的一端,并且通过粘结胶与凸台203背离底部202的一端连接,进而提高了弹波50与凸台203之间的连接强度。
本实施例提供的电子设备,扬声器1的轭铁20包括底部202和位于底部202一侧的套管201,呈环形的磁体40套设在套管201的外侧,音圈30套设在套管201上,且位于磁体40和套管201之间;弹波50位于套管201围合的区域内,弹波50的外边缘与音圈30连接,弹波50的中部与轭铁20连接;磁体40和音圈30均位于弹波50的外侧,磁体40的体积和音圈30中线圈301的长度不受弹波50的影响,可以将磁体40的体积以及音圈30中线圈301的长度设置的较大,进而增大了驱动音圈30振动的电磁驱动力,提高了扬声器1的灵敏度。
另外,随着电子设备小型化的需求逐渐提高,将磁体40和音圈30均设置在弹波50的外侧,还可以在具有足够电磁驱动力和灵敏度的同时,减小扬声器1的厚度,便于实现超薄化。
继续参照图2和图3,在一些实施例中,振动片60包括主体部601和延伸部602,主体部601呈环状,延伸部602呈筒状,延伸部602自主体部601的内边缘沿朝向底部202的方向延伸,弹波50的外边缘与延伸部602的内部固定连接。如此设置,弹波50的外边缘通过延伸部602与音圈30连接,延伸部602可以伸入到套管201内,可以减小凸台203的高度,进而减小扬声器1的质量。
示例性的,延伸部602的中心轴线与音圈30的中心轴线平行设置,进一步地,延伸部602的中心轴线与音圈30的中心轴线共线设置。其中,弹波50可以通过粘结胶与延伸部602的内壁之间来连接。
进一步地,可以在主体部601上罩设有防尘罩609,防尘罩609可以封堵主体部601的内边缘。
继续参照图2和图3,本实施例中,扬声器1还包括极片70,极片70呈环形,极片70覆盖在磁体40背离底部202的表面;极片70可以调节磁体40产生的磁场,以使磁体40产生的磁场线集中在极片70的内边缘和套管201之间,进而提高了线圈301所处的磁场强度,提高了驱动音圈30运动的电磁驱动力,进而提高了扬声器1的灵敏度。示例性的,构成极片70的材质可以包括铁、钢等铁磁性材质。
极片70的中心轴线与磁体40的中心轴线可以平行设置,进一步地,极片70的中心轴线与磁体40的中心轴线共线设置。
在上述实现方式中,极片70朝向音圈30的边缘凸出于磁体40朝向音圈30的边 缘,如此设置,极片70与套管201之间距离小于磁体40与套管201之间距离,进而减小了极片70内边缘与线圈301之间距离,以进一步提高线圈301所处的磁场的强度,进一步提高驱动音圈30运动的电磁驱动力。示例性的,在极片70、磁体40均呈圆环状的实现方式中,极片70的中心线轴线与磁体40的中心轴线共线设置,并且极片70的内径小于磁体40的内径。
在一些实现方式中,盆架10上设置有凹槽101,凹槽101的槽底设置有配合孔102,至少部分音圈30由配合孔102自凹槽101的槽底伸出;合理的设置配合孔102的尺寸,使得配合孔102的侧壁与极片70的背离音圈30的端面贴合,也就是说极片70伸入到配合孔102内,以通过配合孔102限制极片70与盆架10之间的相对位置,提高了极片70与盆架10之间的位置精度。
进一步地,极片70伸入到配合孔102内,使得部分盆架10可以与磁体40背离轭铁20的一端贴合,并且盆架10与磁体40背离轭铁20的一端之间可通过粘结胶连接,以实现盆体10与磁体40之间的连接。
本实施例中,轭铁20的底部202上可以设置有工艺孔205(未示出),工艺孔205位于套管201围合的区域内,且工艺孔205与套管201连通;在扬声器1的装配过程中,可以使夹具伸入到工艺孔205内,进而通过夹具可以实现对振动片60和轭铁20的定位,方便了扬声器1的装配,同时也提高了扬声器1的装配精度。进一步地,工艺孔205可以为多个,多个工艺孔205环绕套管201的中心轴线间隔的设置,以便于对振动片60和轭铁20进行定位。
场景二
请参照图4,本实施例中,扬声器1包括盆架10以及振动片60,盆架10围设成凹槽101。振动片60覆盖在盆架10上,以封堵凹槽101;振动片60可以通过粘结胶与盆架10连接,当然振动片60也可以通过螺栓连接或者卡接的方式与盆架10连接;进一步地,可以在振动片60的边缘设置呈环形的弹性折环604,弹性折环604环绕振动片60设置,并且弹性折环604的内边缘与振动片60的外边缘连接,弹性折环604的外边缘与盆架10连接;振动片60通过弹性折环604与盆架10连接,可以在振动片60振动时为其提供恢复力,也可以减小阻止振动片60振动的阻力。
本实施例中,扬声器1还包括轭铁20、磁体40以及音圈30,凹槽101的槽底设置有配合孔102,轭铁20包括底部和位于底部一侧的套管201,套管201的中心轴线与凹槽101槽底所在的平面垂直,部分套管201由配合孔102伸入到凹槽101内,当然,套管201也可以位于凹槽101的外部。磁体40呈环状,磁体40套设在套管201外侧;磁体40内壁与套管201外壁之间具有环形缝隙204,音圈30呈管状,音圈30套设在套管201外,并且音圈30位于环形缝隙204内,使得音圈30位于磁体40形成的磁场内。
进一步地,轭铁20的底部202可以呈板状,套管201设置在底部202朝向振动片60的一侧;套管201与底部202可以为一体结构,当然套管201与底部202之间还可 以通过焊接、螺栓连接等方式连接。相应的,磁体40的一端与底部202朝向振动片60的一侧贴合,磁体40可以通过粘结胶与底部202连接。
音圈30朝向振动片60的端面与振动片60朝向底部202的一侧固定连接,以实现音圈30与振动60之间的连接,进而在音圈30带电而振动时,带动振动片60振动,进而实现发声。
其中,音圈30可以包括管体302以及缠绕在管体302外壁上的线圈301,相应的管体302套设在套管201上;构成管体302的材料可以包括塑料、绝缘纸等绝缘材质,或者,构成管体302的材料为铜、铝等金属材质,在管体302的材料为金属材料时,需使线圈301与管体302之间绝缘连接。管体302靠近振动片60的一端与振动片60连接,示例性的,管体302可以通过粘结胶与振动片60连接,当然管体302也可以通过卡接的方式与振动片60连接。在扬声器1工作时,线圈301带电,由于线圈301位于磁体40形成的磁场内,线圈301受力,进而通过管体302带动振动片60振动,产生声音。
继续参照图4,本实施例中,扬声器1还包括弹波50,弹波50位于套管201围合的区域内;套管201围合成呈柱状的空腔,弹波50设置在空腔内;弹波50的外边缘与音圈30连接,弹波50的中部与轭铁20连接。弹波50具有一定的弹性,以在工作的过程中,通过自身的弹力使得音圈30可以在环形缝隙204内沿平行于套管201中心轴线方向往复运动,另外,弹波50还可以限制音圈30在环形缝隙204内的位置。示例性的,弹波50的中心轴线与套管201的中心轴线可以平行设置,进一步地,弹波50的中心轴线与套管201的中心轴线可以共线设置。
在上述实现方式中,轭铁20包括凸台203,凸台203设置在底部202上,并且凸台203位于套管201围合的区域内。弹波50的朝向底部202的内壁与凸台203连接,如此设置,弹波50通过凸台203与底部202连接,可以增大弹波50与底部202之间的距离,进而使得弹波50可以位于与套管201中心轴线垂直的平面内。
弹波50可以通过粘结胶与凸台203连接;示例性的,弹波50的中部可以设置有孔洞,部分凸台203穿设在孔洞内,相应的,弹波50的内边缘与凸台203之间通过粘结胶连接;当然弹波50也可以覆盖在凸台203背离底部202的一端,并且通过粘结胶与凸台203背离底部202的一端连接,进而提高了弹波50与凸台203之间的连接强度。
本实施例提供的电子设备,扬声器1的轭铁20包括底部202和位于底部202一侧的套管201,呈环形的磁体40套设在套管201的外侧,音圈30套设在套管201上,且位于磁体40和套管201之间;弹波50位于套管201围合的区域内,弹波50的外边缘与音圈30连接,弹波50的中部与轭铁20连接;磁体40和音圈30均位于弹波50的外侧,磁体40的体积和音圈30中线圈301的长度不受弹波50的影响,可以将磁体40的体积以及音圈30中线圈301的长度设置的较大,进而增大了驱动音圈30振动的电磁驱动力,提高了扬声器1的灵敏度。
另外,随着电子设备小型化的需求逐渐提高,将磁体40和音圈30均设置在弹波50的外侧,还可以在具有足够电磁驱动力和灵敏度的同时,减小扬声器1的厚度,便 于实现超薄化。
继续参照图4,在一些实施例中,扬声器1还包括支撑管603,支撑管603位于弹波50和音圈30之间,且位于套管201围合的区域内,弹波50的外边缘与支撑管603的内壁固定连接,且支撑管603与音圈30固定连接。
支撑管603可以直接与音圈30之间连接,以实现支撑管603与音圈30之间的固定。当然,支撑管603还可以通过骨架与音圈30之间连接,以实现支撑管603与音圈30之间的间接连接。
示例性的,支撑管603和音圈30背离底部202的一端均与振动片60固定连接,以通过振动片60实现支撑管603和音圈30之间的固定。值得说明的是,支撑管603和音圈30可以直接与振动片60之间连接,以实现支撑管603和音圈30与振动片60的固定;当然支撑管603和音圈30也可以通过其他的组件与振动片60连接,以实现支撑管603和音圈30与振动片60之间的间接连接。
本实施例中,扬声器1还包括防尘罩609,防尘罩609覆盖套管区域的顶部,支撑管603和音圈30均与防尘罩609的内壁固定连接。其中,套管区域为套管201外壁围成的柱状区域,套管区域的顶部为柱状区域背离底部202的一端。
示例性的,振动片60上设置有正对套管201的通孔,防尘罩609覆盖在振动片60上,以封堵通孔,振动片60的外边缘与盆架10连接;相应的音圈30和支撑管603均与振动片601连接。
进一步地,支撑管603和音圈30可以均直接与防尘罩609的内壁连接,以实现支撑管603和音圈30与防尘罩609的直接连接;当然支撑管603和音圈30也可以通过其他的组件与防尘罩609的内壁之间间接的连接,本实施例对此不作限制。
在上述实现方式中,防尘罩609朝向底部202的内壁设置有固定环605,音圈30和支撑管603均与固定环605连接。如此设置,音圈30和支撑管603通过固定环605与防尘罩609连接,提高了防尘罩609受力的均匀性,同时通过固定环605还可以实现音圈30和支撑管603之间的连接。
其中,固定环605可以通过粘结胶与防尘罩609连接,当然固定环605还可以通过卡接或者螺栓连接等方式与防尘罩609连接,本实施例对此不作限制。
继续参照图4,在一些实现方式中,振动片601可以围设成圆台状的扩散腔608,扩散腔608的中心轴线与套管201的中心轴线可以共线设置;扩散腔608沿中心轴线方向的两端均具有开口,其中面积较小的开口为通孔;防尘罩609设置在扩散腔608内,防尘罩609与扩散腔608的侧壁之间连接;相应的,通孔的侧壁与音圈30连接。如此设置,音圈30不但通过固定环605与防尘罩602连接,还与振动片601连接,提高了音圈30与振动片60之间的连接强度,进而避免音圈30与振动片60分离。
在音圈30包括管体302以及缠绕在管体302上的线圈301的实现方式中,管体302背离底部202的一端与固定环605连接,振动片601通孔的侧壁与管体302的侧壁连接。
在上述实现方式中,可以在固定环605上间隔的设置有第一环形槽606和第二环形槽607,第一环形槽606的直径小于第二环形槽607的直径,相应的支撑管603背离轭铁20的一端插设在第一环形槽606内,管体302背离轭铁20的一端插设在第二环形槽607内,如此可以进一部提高支撑管603和管体302与固定环605之间的连接强度。
进一步地,可以在第一环形槽606内设置粘结胶,之后将支撑管603插设在第一环形槽606内,进而实现支撑管603与固定环605之间的连接;相同的,在第二环形槽607内设置粘结胶,之后将管体302插设在第二环形槽607内,进而实现管体302与固定环605之间的连接。
本实施例提供的电子设备,扬声器1的轭铁20包括底部202和位于底部202一侧的套管201,呈环形的磁体40套设在套管201的外侧,音圈30套设在套管201上,且位于磁体40和套管201之间;弹波50位于套管201围合的区域内,弹波50的外边缘与音圈30连接,弹波50的中部与轭铁20连接;磁体40和音圈30均位于弹波50的外侧,磁体40的体积和音圈30中线圈301的长度不受弹波50的影响,可以将磁体40的体积以及音圈30中线圈301的长度设置的较大,进而增大了驱动音圈30振动的电磁驱动力,提高了扬声器1的灵敏度。
另外,随着电子设备小型化的需求逐渐提高,将磁体40和音圈30均设置在弹波50的外侧,还可以在具有足够电磁驱动力和灵敏度的同时,减小扬声器1的厚度,便于实现超薄化。
继续参照图4,本实施例中,扬声器1还包括极片70,极片70呈环形,极片70覆盖在磁体40背离底部202的表面;极片70可以调节磁体40产生的磁场,以使磁体40产生的磁场线集中在极片70的内壁和套管201之间,进而提高了线圈301所处的磁场强度,提高了驱动音圈30运动的电磁驱动力,进而提高了扬声器1的灵敏度。示例性的,构成极片70的材质可以包括铁、钢等铁磁性材质。
进一步地,极片70的中心轴线与磁体40的中心轴线共线设置,并且极片70的朝向音圈30的边缘凸出于磁体40朝向音圈的边缘,如此设置,极片70与套管201之间距离小于磁体40与套管201之间距离,进而减小了极片70内壁与线圈301之间距离,以进一步提高线圈301所处的磁场的强度,进一步提高驱动音圈30运动的电磁驱动力。
在一些实现方式中,盆架10上设置有凹槽101,凹槽101的槽底设置有配合孔102,至少部分音圈30由配合孔102自凹槽101的槽底伸出,盆架10与极片70背离底部202的表面可以通过粘结胶或铆压连接,如此设置,盆架10与极片70之间的连接面积较大,提高了盆架10与极片70之间的连接力。
继续参照图4、图7、图8,本实施例中轭铁20的底部202上可以设置有工艺孔205,工艺孔205位于套管201围合的区域内,且工艺孔205与套管201连通;在扬声器1的装配过程中,可以使夹具伸入到工艺孔205内,进而通过夹具可以实现对振动片60和轭铁20的定位,方便了扬声器1的装配,同时也提高了扬声器1的装配精度。进一步地,工艺孔205可以为多个,多个工艺孔205环绕套管201的中心轴线间隔的 设置,以便于对振动片60和轭铁20进行定位。
场景三
请参照图5、图6,本实施例与场景二的不同之处在于,弹波50可以为多个,多个弹波50沿套管201中心轴线的方向层叠设置,且每相邻的两个弹波50之间相隔离,也就是说,多个弹波50平行且间隔的设置。如此设置,多个弹波50可以提高音圈30的恢复力,同时也可以进一步限制音圈30在环形缝隙204内的位置。
进一步地,凸台203包括多个固定部206,沿套管201的中心轴线方向,多个固定部206依次设置,每一弹波50固定在一个固定部206上;如此设置,可以使得每一弹波50均处于垂直于套管201中心轴线的平面内。示例性的,固定部206的数量可以为2个、3个、4个等,相应的弹波50的数量与固定部206的数量相同。
在一些可实现的方式中,多个固定部206中,靠近底部202的固定部206可以与底部202为一体结构,其他的固定部206中相邻的两个固定部206之间可以通过粘结胶连接;或者,多个固定部206中,靠近底部202的固定部206可以与底部202为一体结构,并且靠近底部202的固定部206上设置连接螺纹孔,相应的其他的固定部206上均设置有安装孔,连接螺栓依次穿过各固定部206上的安装孔,并与连接螺纹孔配合,以将各固定部206连接在一起。
相邻的两个固定部206中,远离底部202的固定部206并不完全覆盖靠近底部202的固定部206,也就是说,靠近底部202的固定部206背离底部202的端面上留有安装位置,弹波50可以覆盖在安装位置上,以便于弹波50的安装。当然弹波50也可以夹设在相邻的两个固定部206之间,以提高弹波50与固定部206之间的连接强度。
在其他的实现方式中,多个固定部206可以为一体结构,相应的相邻两个固定部206中,远离底部202的固定部206并不完全覆盖靠近底部202的固定部206,使得靠近底部202的固定部206背离底部202的一端留有安装位置,弹波50覆盖在安装位置上,以便于弹波50的安装。
在本申请的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本申请和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本申请的限制。
需要说明的是,在本申请的描述中,术语“第一”、“第二”仅用于方便描述不同的部件,而不能理解为指示或暗示顺序关系、相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。
在本申请中,除非另有明确的规定,术语“安装”、“相连”、“连接”、“固 定”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸的连接,或一体成型,可以是机械连接,也可以是电连接或者彼此可通讯;可以是直接相连,也可以通过中间媒体间接连接,可以是两个元件内部的连通或者两个元件的互相作用关系,除非另有明确的限定。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本申请中的具体含义。
最后应说明的是:以上各实施例仅用以说明本申请的技术方案,而非对其限制;尽管参照前述各实施例对本申请进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (15)

  1. 一种扬声器,其特征在于,包括:轭铁、磁体、音圈和弹波;
    所述轭铁包括底部和位于所述底部一侧的套管;
    所述磁体呈环状,所述磁体套设在所述套管的外侧;
    所述音圈套设在所述套管的外侧,且位于所述套管和所述磁体之间;
    所述弹波位于所述套管围合的区域内。
  2. 根据权利要求1所述的扬声器,其特征在于,所述轭铁还包括凸台,且所述凸台位于所述套管围合的区域内,所述弹波的中部贴合在所述凸台背离所述底部的表面。
  3. 根据权利要求1或2所述的扬声器,其特征在于,所述扬声器还包括振动片,所述音圈朝向所述振动片的端面与所述振动片朝向所述底部的一侧固定连接。
  4. 根据权利要求3所述的扬声器,其特征在于,所述振动片包括主体部和延伸部,所述主体部呈环状,所述延伸部呈筒状,所述延伸部自所述主体部的内边缘沿朝所述底部的方向延伸;所述弹波的外边缘与所述延伸部的内壁固定连接。
  5. 根据权利要求3所述的扬声器,其特征在于,所述扬声器还包括支撑管,所述支撑管位于弹波和所述音圈之间,且位于所述套管围合的区域内,所述弹波的外边缘与所述支撑管的内侧壁固定连接,且所述支撑管与所述音圈固定连接。
  6. 根据权利要求5所述的扬声器,其特征在于,所述支撑管和所述音圈背离所述底部的一端均与所述振动片固定连接。
  7. 根据权利要求5所述的扬声器,其特征在于,所述扬声器还包括防尘罩,所述防尘罩覆盖套管区域的顶部,所述支撑管和所述音圈均与所述防尘罩的内壁固定连接。
  8. 根据权利要求7所述的扬声器,其特征在于,所述防尘罩的内壁设置有固定环,所述支撑管和所述音圈均与所述固定环连接。
  9. 根据权利要求1-8任一项所述的扬声器,其特征在于,所述扬声器还包括极片,所述极片呈环形,所述极片覆盖在所述磁体背离所述底部的表面。
  10. 根据权利要求9所述的扬声器,其特征在于,所述极片朝向所述音圈的边缘凸出于所述磁体朝向所述音圈的边缘。
  11. 根据权利要求9所述的扬声器,其特征在于,所述扬声器还包括盆架,所述盆架上设置有凹槽,所述凹槽的槽底上设置有配合孔,至少部分所述音圈由所述配合孔自所述凹槽的槽底伸出。
  12. 根据权利要求11所述的扬声器,其特征在于,所述配合孔的边缘与所述极片背离所述音圈的端面贴合。
  13. 根据权利要求1-12任一项所述的扬声器,其特征在于,所述弹波为多个,多个所述弹波沿所述套管的中心轴线的方向层叠设置,且每相邻的两个所述弹波之间相隔离。
  14. 根据权利要求11所述的扬声器,其特征在于,沿所述套管的中心轴线的方向,所述凸台具有多个固定部,每一个弹波固定在一个固定部上。
  15. 一种电子设备,其特征在于,包括:壳体和权利要求1-14任一项所述的扬声器,所述扬声器位于所述壳体内。
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