WO2022062034A1 - Haut-parleur et terminal électronique - Google Patents

Haut-parleur et terminal électronique Download PDF

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Publication number
WO2022062034A1
WO2022062034A1 PCT/CN2020/123823 CN2020123823W WO2022062034A1 WO 2022062034 A1 WO2022062034 A1 WO 2022062034A1 CN 2020123823 W CN2020123823 W CN 2020123823W WO 2022062034 A1 WO2022062034 A1 WO 2022062034A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
magnetic yoke
yoke
pole core
sound
Prior art date
Application number
PCT/CN2020/123823
Other languages
English (en)
Chinese (zh)
Inventor
吴军
杨虎虎
任圣
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)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 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2022062034A1 publication Critical patent/WO2022062034A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the present application relates to the field of electro-acoustics, and in particular, to a speaker and an electronic terminal.
  • the structure In order to improve the acoustic performance of the loudspeaker in the related art, the structure is often too complicated and the thickness is too large, so that it cannot adapt to the development trend of thinner and thinner mobile terminals.
  • the purpose of the present application is to provide a loudspeaker and an electronic terminal, the loudspeaker has a small thickness and good acoustic performance.
  • a loudspeaker comprising a first sound-generating unit and a second sound-generating unit horizontally arranged on the same horizontal plane as the first sound-generating unit;
  • the first sound-generating unit includes a first magnetic circuit system and a first vibration system fixed on the first magnetic circuit system
  • the second sound-generating unit includes a second magnetic circuit system and is fixed on the second a second vibration system on the magnetic circuit system
  • the first magnetic circuit system includes a first magnetic yoke
  • the second magnetic circuit system includes a second magnetic yoke arranged in parallel with the first magnetic yoke, and the first magnetic yoke is integrated with the second magnetic yoke Molding settings.
  • the first magnetic circuit system further includes a first main magnet steel disposed in the center of the first magnetic yoke, disposed on the first magnetic yoke and surrounding the first main magnetic steel a first secondary magnetic steel disposed to form a first magnetic gap, a first main pole core attached above the first main magnetic steel, and a first main pole core surrounding the first main pole core and attached to the first secondary magnetic steel The first secondary pole core on the magnet;
  • the second magnetic circuit system further includes a second main magnetic steel disposed in the center of the second magnetic yoke, disposed on the second magnetic yoke and disposed around the second main magnetic steel to form a second magnetic gap the second secondary magnetic steel, the second main pole core attached above the second main magnetic steel, and the second secondary pole surrounding the second main pole core and attached to the second secondary magnetic steel core.
  • the first auxiliary pole core includes a first pole core portion surrounding the first main pole core and attached to the first auxiliary magnetic steel, extending from the first pole core
  • the second auxiliary pole core includes a second pole core part surrounding the second main pole core and attached to the second auxiliary magnetic steel, and facing the first pole core from the outer periphery of the second pole core part.
  • Two second support parts extending from the vibration system and a plurality of second support parts extending from the outer periphery of the second pole core part toward the direction away from the second magnetic yoke, the second vibration system is fixed on the On the second bracket part, the second support part abuts on the second magnetic yoke, the second main magnet and the peripheral edge of the second main pole core abuts on a plurality of the second supports Ministry.
  • the first vibration system includes a first diaphragm for vibrating and producing sound and a first voice coil for driving the first diaphragm to vibrate and produce sound, and the first voice coil is suspended on the In the first magnetic gap, the first diaphragm is fixed on the first bracket part;
  • the second vibration system includes a second diaphragm for vibrating and producing sound and a second voice coil for driving the second diaphragm to vibrate and produce sound, the second voice coil is suspended in the second magnetic gap, so The second diaphragm is fixed on the second bracket part.
  • the first diaphragm includes a first ring portion, a first fixing portion extending from the outer periphery of the first ring portion, and extending from the inner periphery of the first ring portion.
  • the top of the first ball, the first fixed part is fixed on the first bracket part, the top of the first ball abuts on the first voice coil;
  • the second diaphragm includes a second ring portion, a second fixing portion extending from the outer periphery of the second ring portion, and a second spherical top portion extending from the inner periphery of the second ring portion.
  • the second fixing part is fixed on the second bracket part, and the second ball top abuts on the second voice coil.
  • the first magnetic yoke is in the shape of a flat plate
  • the second magnetic yoke is in the shape of a flat plate, and in a direction parallel to the first magnetic yoke, the first magnetic yoke and the The second yokes are arranged side by side.
  • the speaker further includes a connecting plate, the first magnetic yoke and the second magnetic yoke are spaced apart in a direction perpendicular to the first magnetic yoke, and one end of the connecting plate is is fixed on one end of the first yoke close to the second yoke, the other end of the connecting plate is fixed on the end of the second yoke close to the first yoke, the first vibration The system is provided on the side of the first yoke facing the second yoke, and the second vibration system is provided on the side of the second yoke facing the first yoke.
  • the connecting plate is perpendicular to the first magnetic yoke and the second magnetic yoke, respectively, and the connecting plate is sandwiched between the first sound-generating unit and the second sound-generating unit between the bodies.
  • the first magnetic yoke, the connecting plate and the second magnetic yoke are integrally formed.
  • the first magnetic yoke and the second magnetic yoke are arranged on the same horizontal plane, and the first vibration system and the second vibration system are located on the first magnetic yoke and the second magnetic yoke. the same side of the two yokes.
  • the technical solution of the present application further provides an electronic terminal, including a terminal body and the speaker as described in any of the above embodiments, where the speaker is arranged on the terminal body.
  • the speaker in this embodiment includes a first sound-generating unit and a second sound-generating unit, and the acoustic performance of the speaker in this embodiment can be improved by using the two sound-generating units.
  • the speaker and the second sound-generating unit are placed on the same horizontal plane, which can make the thickness of the speaker in this embodiment thinner, so as to adapt to the development trend of thinner and thinner mobile terminals.
  • the yoke is integrally formed, and the first sound-generating unit and the second sound-generating unit can be connected to form a whole, so that the structure is more compact.
  • FIG. 1 is a schematic diagram of the overall structure of a speaker according to an embodiment of the application
  • Fig. 2 is the exploded schematic diagram of the sounding assembly in Fig. 1;
  • Fig. 3 is the sectional view along A-A of Fig. 1;
  • FIG. 4 is a schematic diagram of an overall structure of an electronic terminal according to an embodiment of the present application.
  • an embodiment of the present application provides a loudspeaker 1 .
  • the loudspeaker 1 in this embodiment includes a first sound-generating unit 10 and a first sound-generating unit 10 that is horizontally arranged on the same horizontal plane.
  • Two sound-generating units 20; the acoustic performance of the speaker 1 in this embodiment can be improved by using two sound-generating units.
  • the single unit and the second sound generating unit 20 are placed side by side, so that the thickness of the speaker 1 in this embodiment can be reduced, so as to adapt to the development trend of thinner and thinner mobile terminals.
  • the structure and size of the first sound-generating unit 10 and the second sound-generating unit 20 are the same, so that the thickness of the first sound-generating unit 10 and the second sound-generating unit 20 are the same.
  • the thickness of the speaker 1 in this embodiment is the thickness of the first sound-generating unit 10 or the second sound-generating unit 20 , so that the thickness of the speaker 1 in this embodiment becomes thinner.
  • the first sound-generating unit 10 in this embodiment includes a first magnetic circuit system 11 and a first vibration system 12 fixed on the first magnetic circuit system 11
  • the second sound-generating unit 20 includes The second magnetic circuit system 21 and the second vibration system 22 fixed on the second magnetic circuit
  • the first magnetic circuit system 11 is used to drive the first vibration system 12 to vibrate and sound
  • the second magnetic circuit system 21 is used to drive the second vibration system 22 Vibration sounds.
  • the first magnetic circuit system 11 in this embodiment includes a first magnetic yoke 111
  • the second magnetic circuit system 21 includes a second magnetic yoke 211 disposed parallel to the first magnetic yoke 111
  • the magnetic yoke 111 is integrally formed with the second magnetic yoke 211 . Since the first magnetic yoke 111 and the second magnetic yoke 211 in this embodiment are integrally formed, the first sound-generating unit 10 and the second sound-generating unit 20 can be connected to form a whole, which makes the structure more compact.
  • the first magnetic yoke 111 is flat, and the second magnetic yoke 211 is flat. In a direction parallel to the first magnetic yoke 111 , the first magnetic yoke 111 and the second magnetic yoke 211 are arranged side by side.
  • the first magnetic circuit system 11 further includes a first main magnet 112 disposed in the center of the first magnetic yoke 111 , disposed on the first magnetic yoke 111 and surrounding the first magnetic yoke 111 .
  • the main magnetic steel 112 is disposed to form the first secondary magnetic steel 114 of the first magnetic gap 113 , the first main pole core 115 attached above the first main magnetic steel 112 , and the first main pole core 115 surrounding the first main pole core 115 and attached to the first main pole core 115 .
  • the first secondary pole core 116 on a pair of magnets 114 .
  • the first secondary pole core 116 includes a first pole core portion 1161 surrounding the first main pole core 115 and attached to the first secondary magnetic steel 114 .
  • a first support portion 1162 extending from the outer periphery of the first pole core portion 1161 toward the direction away from the first magnetic yoke 111 and a plurality of first supporting portions 1163 extending from the outer periphery of the first pole core portion 1161 toward the first magnetic yoke 111, the first The vibration system 12 is fixed on the first bracket part 1162 , and the first support part 1163 abuts on the first magnetic yoke 111 .
  • the first secondary pole core 116 is designed according to the above-mentioned structure, the first pole core portion 1161 is arranged corresponding to the first main pole core 115, and the first support portion 1162 supports the first vibration system 12, so that this The structure of the sound generating assembly in the embodiment is simpler.
  • the first bracket portion 1162 is annular.
  • the peripheral edges of the first main magnetic steel 112 and the first main pole core 115 abut on the plurality of first support portions 1163 .
  • the first vibration system 12 includes a first diaphragm 121 for vibrating and producing sound, and a first voice coil 122 for driving the first diaphragm 121 to vibrate and produce sound.
  • the first voice coil The 122 is suspended in the first magnetic gap 113 , and the first diaphragm 121 is fixed on the first bracket portion 1162 .
  • the first diaphragm 121 includes a first folded ring portion 1211 , a first fixed portion 1212 extending from the outer periphery of the first folded ring portion 1211 , and an inner portion from the first folded ring portion 1211 .
  • the first ball top 1213 is formed by extending from the periphery, the first fixing portion 1212 is fixed on the first bracket portion 1162 , and the first ball top 1213 abuts on the first voice coil 122 .
  • the second magnetic circuit system 21 further includes a second main magnet 212 disposed in the center of the second yoke 211 , disposed on the second yoke 211 and surrounding the second magnetic yoke 211 .
  • the main magnetic steel 212 is disposed to form the second auxiliary magnetic steel 214 of the second magnetic gap 213 , the second main pole core 215 attached to the second main magnetic steel 212 , and the second main pole core 215 surrounding the second main pole core 215 and attached to the second main pole core 215 .
  • the second secondary pole core 216 on the secondary magnetic steel 214 .
  • the second secondary pole core 216 includes a second pole core portion 2161 surrounding the second main pole core 215 and attached to the second secondary magnetic steel 214 .
  • the outer periphery of the 2161 is formed to extend toward the second support portion 2162 away from the second magnetic yoke 211, and a plurality of second support portions 2163 are formed to extend from the outer periphery of the second pole core portion 2161 toward the second magnetic yoke 211.
  • the second vibration system 22 is fixed on the second bracket portion 2162 , and the second support portion 2163 abuts on the second magnetic yoke 211 .
  • the second secondary pole core 216 is designed according to the above structure, the second pole core portion 2161 is arranged corresponding to the second main pole core 215, and the second support portion 2162 supports the second vibration system 22, so that the The structure of the sound generating assembly in the embodiment is simpler.
  • the second bracket portion 2162 is annular.
  • the peripheral edges of the second main magnetic steel 212 and the second main pole core 215 abut on the plurality of second supporting portions 2163 .
  • the second vibration system 22 includes a second diaphragm 221 for vibrating and producing sound, and a second voice coil 222 for driving the second diaphragm 221 to vibrate and produce sound.
  • the second voice coil 222 is suspended in the second magnetic gap 213 , and the second diaphragm 221 is fixed on the second bracket portion 2162 .
  • the second diaphragm 221 includes a second folded ring portion 2211 , a second fixed portion 2212 extending from the outer periphery of the second folded ring portion 2211 , and an inner portion from the second folded ring portion 2211 .
  • the second spherical top portion 2213 is formed by extending the peripheral edge.
  • the second fixing portion 2212 is fixed on the second bracket portion 2162 , and the second spherical top portion 2213 abuts on the second voice coil 222 .
  • the speaker 1 further includes a connecting plate 30, the first magnetic yoke 111 and the second magnetic yoke 211 are spaced apart in a direction perpendicular to the first magnetic yoke 111, and the connecting plate 30
  • One end of the first magnetic yoke 111 is fixed on the end of the first magnetic yoke 111 close to the second magnetic yoke 211
  • the other end of the connecting plate 30 is fixed on the end of the second magnetic yoke 211 near the first magnetic yoke 111
  • the first vibration system 12 is arranged on the first magnetic yoke 111.
  • a magnetic yoke 111 is on the side facing the second magnetic yoke 211
  • the second vibration system 22 is provided on the side of the second magnetic yoke 211 facing the first magnetic yoke 111 .
  • the plurality of first support parts 1163 abut on the side of the first magnetic yoke 111 facing the second magnetic yoke 211
  • the plurality of second support parts 2163 abut on a side of the second magnetic yoke 211 facing the first magnetic yoke 111 . on the side.
  • the connecting plate 30 is perpendicular to the first magnetic yoke 111 and the second magnetic yoke 211 respectively, and the connecting plate 30 is sandwiched between the first sound-generating unit 10 and the second sound-generating unit 20 .
  • first magnetic yoke 111 the connecting plate 30 and the second magnetic yoke 211 are integrally formed.
  • first magnetic yoke 111 and the second magnetic yoke 211 are arranged on the same horizontal plane, and the first vibration system 12 and the second vibration system 22 are arranged on the same side of the first magnetic yoke 111 and the second magnetic yoke 211 .
  • one end of the first magnetic yoke 111 is connected to one end of the second magnetic yoke 211 and forms a rectangular plate.
  • an embodiment of the present application further provides an electronic terminal.
  • the electronic terminal includes a terminal body 4 and the speaker 1 in the above embodiment.
  • the speaker 1 is arranged on the terminal body 4 , because the above embodiment
  • the speaker 1 in this embodiment includes a first sound-generating unit 10 and a second sound-generating unit 20.
  • the acoustic performance of the speaker 1 in this embodiment can be improved by using the two sound-generating units.
  • the placement of the two sound-emitting units 20 on the same horizontal plane can reduce the thickness of the speaker 1 in this embodiment, thereby adapting to the development trend of thinner and thinner mobile terminals.

Landscapes

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

Abstract

L'invention concerne un haut-parleur et un terminal électronique. Le haut-parleur comprend un premier corps unique de production de son et un second corps unique de production de son qui est disposé transversalement dans le même plan horizontal que le premier corps unique de production de son, dans lequel le premier corps unique de production de son comprend un premier système de circuit magnétique et un premier système de vibration qui est fixé sur le premier système de circuit magnétique, et le second corps unique de production de son comprend un second système de circuit magnétique et un second système de vibration ; et le premier système de circuit magnétique comprend une première culasse d'aimant, et le second système de circuit magnétique comprend une seconde culasse d'aimant qui est disposée en parallèle avec la première culasse d'aimant, la première culasse d'aimant et la seconde culasse d'aimant étant formées d'un seul tenant. La performance acoustique du haut-parleur dans le présent mode de réalisation peut être améliorée au moyen des deux corps uniques de production de son ; le premier corps unique de production de son et le second corps unique de production de son sont placés dans le même plan horizontal, de sorte que l'épaisseur du haut-parleur dans le présent mode de réalisation peut être réduite, s'adaptant ainsi à la tendance au développement de terminaux mobiles de plus en plus fins ; et la première culasse magnétique et la seconde culasse magnétique sont formées intégralement, de sorte que le premier corps unique de production de son et le second corps unique de production de son peuvent être connectés en un tout.
PCT/CN2020/123823 2020-09-25 2020-10-27 Haut-parleur et terminal électronique WO2022062034A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202022142544.5 2020-09-25
CN202022142544.5U CN213126462U (zh) 2020-09-25 2020-09-25 扬声器及电子终端

Publications (1)

Publication Number Publication Date
WO2022062034A1 true WO2022062034A1 (fr) 2022-03-31

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ID=75664919

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PCT/CN2020/123823 WO2022062034A1 (fr) 2020-09-25 2020-10-27 Haut-parleur et terminal électronique

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CN (1) CN213126462U (fr)
WO (1) WO2022062034A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170359647A1 (en) * 2014-12-08 2017-12-14 Pioneer Corporation Speaker device
CN209964287U (zh) * 2019-04-18 2020-01-17 瑞声科技(新加坡)有限公司 扬声器箱
CN210016619U (zh) * 2019-04-18 2020-02-04 瑞声科技(新加坡)有限公司 扬声器箱
CN210168201U (zh) * 2019-04-18 2020-03-20 瑞声科技(新加坡)有限公司 扬声器箱

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170359647A1 (en) * 2014-12-08 2017-12-14 Pioneer Corporation Speaker device
CN209964287U (zh) * 2019-04-18 2020-01-17 瑞声科技(新加坡)有限公司 扬声器箱
CN210016619U (zh) * 2019-04-18 2020-02-04 瑞声科技(新加坡)有限公司 扬声器箱
CN210168201U (zh) * 2019-04-18 2020-03-20 瑞声科技(新加坡)有限公司 扬声器箱

Also Published As

Publication number Publication date
CN213126462U (zh) 2021-05-04

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