WO2022134318A1 - 喇叭和耳机 - Google Patents

喇叭和耳机 Download PDF

Info

Publication number
WO2022134318A1
WO2022134318A1 PCT/CN2021/079607 CN2021079607W WO2022134318A1 WO 2022134318 A1 WO2022134318 A1 WO 2022134318A1 CN 2021079607 W CN2021079607 W CN 2021079607W WO 2022134318 A1 WO2022134318 A1 WO 2022134318A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnet
horn
casing
speaker
diaphragm
Prior art date
Application number
PCT/CN2021/079607
Other languages
English (en)
French (fr)
Inventor
何朝阳
杨磊
Original Assignee
常州阿木奇声学科技有限公司
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 常州阿木奇声学科技有限公司 filed Critical 常州阿木奇声学科技有限公司
Publication of WO2022134318A1 publication Critical patent/WO2022134318A1/zh

Links

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
    • 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

Definitions

  • the utility model relates to the technical field of audio frequency.
  • the speaker includes a diaphragm, a voice coil and a magnet.
  • a magnet is placed under the voice coil.
  • the voice coil vibrates under the action of a magnetic field, which drives the diaphragm to vibrate.
  • Many speakers have low overall sensitivity and take up a lot of space.
  • the technical problem to be solved by the present invention is to provide an improved loudspeaker and an earphone in view of the above-mentioned defects in the related art.
  • the technical solution adopted by the present invention to solve the technical problem includes: providing a horn, comprising a housing, a magnetic circuit system and a vibration system arranged in the housing, the vibration system comprising a At least one voice coil that vibrates under the action of a magnetic field and at least one planar diaphragm driven by the voice coil, and the magnetic circuit system includes at least one set of first A magnet, each set of the first magnets includes a middle magnet and at least two side magnets disposed on both sides of the middle magnet in a second direction, the first direction being non-parallel to the second direction .
  • the length of the casing is 4-6 mm, the height is 1.03-3.03 mm, and the width is 1.7-3.7 mm.
  • the length of the casing is 5mm, the height is 2.03mm, and the width is 2.7mm.
  • the thickness of the casing is 0.05-0.3 mm.
  • the thickness of the casing is 0.1 mm.
  • the width of the gap between two adjacent magnets of the first magnet is 0.05 ⁇ 0.3 mm.
  • the width of the gap between two adjacent magnets of the first magnet is 0.1 mm.
  • the voice coil includes a first part and a second part, the first part is connected to the diaphragm, one side of the second part is connected to the side of the first part facing the first magnet, and the other side Extending between two adjacent magnets of the first magnet, the width of the first part is larger than that of the second part.
  • one or both sides of the second portion in the width direction are inward with respect to the first portion.
  • the first part and the second part are integral or separate.
  • the first part and the second part are provided on the same side of the diaphragm or on both sides of the diaphragm respectively.
  • only one side of the diaphragm is provided with the voice coil or both sides are provided with the voice coil.
  • the at least one diaphragm includes two diaphragms arranged at intervals in the first direction, the at least one voice coil includes two voice coils, and the two voice coils are respectively disposed on the The same direction, the back or the opposite side of the two diaphragms.
  • the voice coil includes a wire wound coil, a silk screen coil and/or an etched coil.
  • the first magnet is provided inside the housing or embedded in the housing.
  • the casing is provided with a first opening through the inside and outside that matches the shape of the first magnet, and the first magnet is embedded in the first opening.
  • the magnetic circuit system includes a second magnet provided on the other side of the vibration system in the first direction.
  • the second magnet is provided inside the housing or embedded in the housing.
  • the casing is provided with a second opening penetrating the inside and outside, and the second magnet is embedded in the second opening.
  • the second magnet is provided on the inner side of the housing, and the inner side of the housing is provided with a positioning portion matched with the outer side of the second magnet.
  • the position of the second magnet corresponds to the middle magnet.
  • the number of the second magnet is one, and the width of the second magnet corresponds to the width of the middle magnet.
  • the voice coil is provided on a side of the diaphragm facing the first magnet and/or a side facing the second magnet.
  • the horn includes two vibration systems arranged at intervals in the first direction
  • the magnetic circuit system includes two sets of the first magnets arranged at intervals in the first direction
  • the Two of the vibration systems are provided between the two sets of first magnets
  • the second magnets are provided between the two vibration systems.
  • a drop-proof member may be provided between two adjacent magnets of the first magnet, and the drop-proof member is in contact with the surface of the first magnet.
  • the housing includes the upper cover and the lower cover, the vibration system is arranged in the upper cover, and the first magnet is arranged in the lower cover.
  • the casing is provided with sound holes for the sound emitted by the diaphragm to propagate outward, and the sound holes are arranged on the casing in the first direction and the second direction. or a side portion in a third direction, the third direction being non-parallel to the first direction and the second direction.
  • the first direction is perpendicular to the second direction.
  • the third direction is perpendicular to the first and second directions.
  • the technical solution adopted by the present utility model to solve the technical problem further includes: providing an earphone, comprising an earphone casing and a sound outlet tube arranged on the earphone casing, and also comprising the above-mentioned horn, and the horn is arranged on the sound outlet tube middle.
  • the length direction of the horn is parallel to the longitudinal direction of the sound outlet pipe.
  • FIG. 1 is a perspective view of a speaker according to some embodiments of the present invention.
  • Figure 2 is a schematic diagram of the internal structure of the horn according to the first embodiment of the present invention (S and N in the figure represent the polarity of the magnet).
  • FIG. 3 is a partial enlarged view of part A in FIG. 2 .
  • FIG. 4 is a schematic diagram of the internal structure of the speaker according to the second embodiment of the present invention (S and N in the figure represent the polarity of the magnet).
  • FIG. 5 is a partial enlarged view of part B in FIG. 4 .
  • FIG. 6 is a schematic diagram of the positional relationship between the first magnet and the second magnet of the horn according to some embodiments of the present invention.
  • FIG. 7 is a schematic diagram of the internal structure of the horn according to the third embodiment of the present invention.
  • FIG. 8 is a schematic diagram of the internal structure of the speaker according to the fourth embodiment of the present invention.
  • FIG. 9 is a schematic diagram of the internal structure of the speaker according to the fifth embodiment of the present invention.
  • FIG. 10 is a schematic diagram of the internal structure of the speaker according to the sixth embodiment of the present invention.
  • FIG. 11 is a schematic diagram of the internal structure of the speaker according to the seventh embodiment of the present invention.
  • FIG. 12 is a schematic diagram of the internal structure of the speaker according to the eighth embodiment of the present invention.
  • FIG. 13 is a schematic diagram of the internal structure of the speaker according to the ninth embodiment of the present invention.
  • FIG. 14 is a schematic diagram of the internal structure of the horn according to the tenth embodiment of the present invention.
  • FIG. 15 is a schematic diagram of the internal structure of the horn according to the eleventh embodiment of the present invention.
  • FIG. 16 is an exploded view of the horn of FIG. 15 .
  • FIG. 17 is a schematic diagram of the internal structure of the horn according to the twelfth embodiment of the present invention.
  • FIG. 18 is a schematic diagram of the internal structure of the horn of the thirteenth embodiment of the present invention.
  • FIG. 19 is a schematic diagram of the internal structure of the speaker according to the fourteenth embodiment of the present invention.
  • FIG. 20 is a schematic diagram of the internal structure of the speaker according to the fifteenth embodiment of the present invention.
  • FIG. 21 is a schematic diagram of the internal structure of the speaker according to the sixteenth embodiment of the present invention.
  • FIG. 22 is a schematic diagram of the internal structure of the horn according to the seventeenth embodiment of the present invention.
  • FIG. 23 is a schematic diagram of the internal structure of the horn according to the eighteenth embodiment of the present invention.
  • FIG. 24 is a schematic diagram of the internal structure of the horn according to the nineteenth embodiment of the present invention.
  • FIG. 25 is a schematic diagram of the internal structure of the horn according to the twentieth embodiment of the present invention.
  • FIG. 26 is a schematic diagram of the internal structure of the speaker according to the twenty-first embodiment of the present invention.
  • FIG. 27 is a schematic diagram of the internal structure of the speaker according to the twenty-eighth embodiment of the present invention.
  • FIG. 28 is a schematic diagram of the internal structure of the speaker according to the twenty-ninth embodiment of the present invention.
  • 29 is a top view of a horn of some embodiments of the present invention.
  • FIG. 30 is a front view of a horn of some embodiments of the present invention.
  • FIG. 31 is a schematic diagram of the internal structure of an earphone according to some embodiments of the present invention.
  • the symbols in the figure represent: magnetic circuit system 1, first magnet 11, middle magnet 111, side magnet 112, second magnet 12, first magnetic field line 13, second magnetic field line 14, vibration system 2, diaphragm 21, voice coil 22, first part 221, second part 222, base plate 212, housing 3, upper cover 31, lower cover 32, first direction 41, second direction 42, third direction 43, first opening 3a, The second opening 3b, the positioning portion 3c, the sound outlet 3d, the earphone shell 5, the sound outlet tube 51, the rear speaker 6, and the anti-fall component 7.
  • a horn 0 in an embodiment of the present invention includes a housing 3, a magnetic circuit system 1 and a vibration system 2 disposed in the housing 3, and the vibration system 2 includes a magnetic circuit system 1 At least one voice coil 22 that vibrates under the action of the magnetic field and at least one planar diaphragm 21 driven by the voice coil 22, the magnetic circuit system 1 includes at least one set of at least one set of one side disposed on the first direction 41 of the vibration system 2
  • each group of the first magnets 11 includes a middle magnet 111 and at least two side magnets 112 disposed on both sides of the middle magnet 111 in the second direction 42 .
  • the flat diaphragm 21 means that the diaphragm is generally flat as a whole, not absolutely flat. For example, a small part of the diaphragm 21 is arched, but the whole is still roughly flat, which is also a flat diaphragm. A cuboid with rounded corners, although not an absolute cuboid, is still a cuboid.
  • the above structures of the magnetic circuit system 1 and the vibration system 2 make the speaker 0 have high sensitivity, and the magnetic circuit system 1 and the vibration system 2 occupy a small space. Thanks to this, the size of the housing 3 can be very small, especially It is convenient to be arranged in the sound outlet tube 51 of the earphone.
  • the shape of the casing 3 may be square or circular.
  • the speaker 0 can be applied to speaker fields such as earphone speakers, cell phone receivers, cell phone speakers, and laptop speakers.
  • the length of the casing 3 is 4-6 mm, the height is 1.03-3.03 mm, and the width is 1.7-3.7 mm.
  • the length of the casing 3 is 5 mm, the height is 2.03 mm, and the width is 2.7 mm, and the overall shape is a rectangular parallelepiped.
  • the height of the housing 3 may be the size of the first direction 41 , when the first direction 41 is perpendicular to the second direction 42 , the width may be the size of the second direction 42 , and the length may be perpendicular to the first direction 41 and the second direction 42 . 42 size, but not limited to this.
  • the thickness of the casing 3 is 0.05 ⁇ 0.3 mm.
  • the thickness of the casing 3 is preferably 0.1 mm, and the casing 3 is preferably made of metal, so as to ensure the strength and at the same time, the thickness is very thin.
  • the width of the gap between two adjacent magnets of the first magnet 11 is 0.05 ⁇ 0.3 mm.
  • the width of the gap between two adjacent magnets of the first magnet 11 is preferably 0.1 mm.
  • the width of the gap between two adjacent magnets of the first magnet 11 includes the gap between the middle magnet 111 and the side magnet 112; when there are two side magnets 112 When one is the first magnet 11 , the width of the gap between two adjacent magnets includes the gap between the middle magnet 111 and the side magnets 112 and the gap between two adjacent side magnets 112 .
  • the voice coil 22 includes a first part 221 and a second part 222, the first part 221 is connected to the diaphragm 21, and a side of the second part 222 and the first part 221 facing the first magnet The other side of the first magnet 11 is connected, the other side of the second part 222 extends between two adjacent magnets of the first magnet 11 , and the width of the first part 221 is greater than that of the second part 222 .
  • one or both sides of the second portion 222 in the width direction may be inward with respect to the first portion 221;
  • the side When one side in the width direction is inward with respect to the first part 221, the side may form a step, and the cross section of the voice coil 22 is L-shaped; see FIGS. 19-20, when the two sides of the second part 222 in the width direction
  • steps may be formed on both sides, and the cross section of the voice coil 22 is T-shaped.
  • the first part 221 and the second part 222 may be integral, and the entire voice coil 22 may be surrounded by wires; or referring to FIGS. 21-22 , the first part 221 and the second part 222 is split, and the second part 222 can be glued to the first part 221.
  • first portion 221 and the second portion 222 may be provided on the same side of the diaphragm 21 (see FIGS. 17-22 and 26 ) or on two sides of the diaphragm 21 respectively (see FIGS. 27-28 ).
  • each diaphragm 21 is provided with a voice coil 22 on only one side (see FIGS. 11-12 , 17-22 and 24 ) or on both sides (see FIGS. 13 and 23 ).
  • the at least one diaphragm 21 includes two diaphragms 21 spaced apart in the first direction 41
  • the at least one voice coil 22 includes two voice coils 22
  • the two voice coils 22 14 and 24 show the embodiments in which the voice coils 22 are respectively arranged on the back side of the two diaphragms 21 .
  • the number of side magnets 112 of each magnetic circuit system 1 may be two; referring to FIG. 25 , in other embodiments, the number of side magnets 112 of each magnetic circuit system 1 may be two; The number of magnets 112 may also be multiple, and they are arranged at intervals in the second direction 42.
  • the second portion 222 of the voice coil 22 may extend between the middle magnet 111 and the side magnets 112 and/or between the side magnets 112 and the side magnets. between the magnets 112 .
  • the voice coil includes a wire wound coil, a silk-screened coil and/or an etched coil
  • the silk-screened coil is silk-printed on the substrate 212
  • the etched coil is etched on the substrate 212
  • the substrates 212 are glued on the diaphragm 21 side by side
  • the substrate 212 is preferably a metal material whose rigidity is greater than that of the diaphragm 21, such as aluminum material; the coil formed by winding the wire is usually glued to the diaphragm 21, and the silk-screen coil and the etched coil can exist at the same time as the coil with the wire wrapped around the city.
  • the magnetic circuit system 1 includes a second magnet 12 disposed on the other side in the first direction 41 of the vibration system 2 , in other words, the first magnet 11 and the second magnet 12 .
  • the magnets 12 are respectively disposed on both sides of the vibration system 2 in the first direction 41 .
  • the first magnetic field line 13 is formed between the middle magnet 111 and the side magnet 112 of the first magnet 11, and the second magnetic field line 14 is formed between the first magnet 11 and the second magnet 12, and the magnetic field is enhanced,
  • F the left-hand rule
  • F when B increases, F will also increase, the force on the voice coil 22 will increase, the overall sensitivity of the speaker 0 will increase, and the high frequency bandwidth will be wider.
  • FIGS 2-5 and 7-14 illustrate various arrangements of the first magnet 11 and the second magnet 12.
  • the second magnet 12 is provided inside the housing 3 or embedded in the housing 3 .
  • the housing 3 includes an upper cover 31 and a lower cover 32, and the second magnet 12 is disposed inside the upper cover 31 as shown in Figures 2-3 or embedded in the upper cover 31 as shown in Figures 4-5.
  • the vibration system 2 can be arranged in the upper cover 31, the edge of the vibration membrane 21 is connected to the inner side of the upper cover 31, the voice coil 22 is arranged on the vibration membrane 21, the magnetic circuit system 1
  • the first magnet 11 may be provided in the lower cover 32 . Between two adjacent magnets of the first magnet 11, an anti-falling member 7 may be provided.
  • the anti-falling member 7 is preferably an anti-falling sheet, which may have elasticity.
  • the anti-falling member 7 is in contact with the surface of the first magnet 11 to fix it.
  • the first magnet 11 is in the housing 3, and when the speaker 0 is dropped, the anti-drop sheet 7 can prevent the first magnet 11 from being displaced or damaged.
  • the casing 3 may be provided with a second opening 3b that passes through the inside and outside and matches the shape of the second magnet 12 , and the second magnet 12 is embedded in the second opening In 3b, preferably, the side surface of the second magnet 12 exposed to the outside of the casing 3 is flush with the outside of the casing 3 .
  • the second magnet 12 is disposed inside the housing 3 , and may be directly adhered to the inside of the housing 3 , and the housing 3 may be made of plastic or metal.
  • the inner side of the housing 3 may be provided with a positioning portion 3c that matches the outer side of the second magnet 12 .
  • the positioning portion 3c is preferably an annular body surrounding the second magnet 12 , the shape of the annular body is the same as that of the second magnet 12 .
  • the shape of the magnets 12 is matched.
  • the casing 3 can be made of plastic material, the second magnet 12 is first set in the injection mold, and the casing 3 fixed with the second magnet 12 is formed by injection molding, so that the second magnet 12 is embedded in the casing
  • the housing 3 with the positioning portion 3c can also be injection-molded first, and then the second magnet 12 is positioned by the positioning portion 3c and fixed on the housing 3, for example, glued to the housing 3.
  • the first magnet 11 may be provided inside the casing 3 or embedded in the casing 3 .
  • the first magnet 11 is provided inside the housing 3 , and may be directly adhered to the inside of the housing 3 .
  • an insertion groove is provided on the inner side of the housing 3 , and the first magnet 11 is inserted into the insertion groove.
  • the casing 3 can be made of plastic material, the first magnet 11 is first set in the injection mold, and the casing 3 fixed with the first magnet 11 is formed by injection molding, so that the first magnet 11 is embedded in the casing
  • the casing 3 with the embedding groove can also be injection-molded first, and then the first magnet 11 is inserted into the embedding groove.
  • the housing 3 of this embodiment is provided with a positioning portion 3c and an embedding groove, and the first magnet 11 and the second magnet 12 are respectively embedded in the positioning portion 3c and the embedding groove.
  • the casing 3 may be provided with a first opening 3 a that passes through the inside and outside and matches the shape of the first magnet 11 , and the first magnet 11 is embedded in the first opening In 3a, preferably, the side surface of the first magnet 11 exposed to the outside of the casing 3 is flush with the outside of the casing 3 .
  • the housing 3 of this embodiment is provided with a first opening 3a and a second opening 3b penetrating the inside and outside, and the first magnet 11 and the second magnet 12 are respectively embedded in the first opening 3a and the second opening 3b.
  • the position of the first magnet 11 corresponds to the middle magnet 111 .
  • the number of the first magnets 11 may be at least one.
  • the width of the second magnet 12 corresponds to the width of the middle magnet 111 , and a second magnetic field line 14 is formed between the middle magnet 111 and the second magnet 12 .
  • the number of the middle magnets 111 is preferably one.
  • the number of side magnets 112 is preferably two.
  • the first magnet 11 and/or the second magnet 12 are bar magnets, preferably both are bar magnets.
  • the first direction 41 is perpendicular to the second direction 42 , preferably, the first direction 41 is a longitudinal direction, and the second direction 42 is a transverse direction.
  • the longitudinal direction of the bar magnet is the third direction 43 , and the first direction 41 , the second direction 42 and the third direction 43 are perpendicular to each other.
  • the diaphragm 21 is provided between the first magnet 11 and the second magnet 12
  • the voice coil 22 is provided on the diaphragm 21, and the voice coil 22 is preferably a racetrack-shaped voice coil 22,
  • the position of the partial voice coil 22 corresponds to the gap between the middle magnet 111 and the side magnets 112 .
  • the voice coil 22 is disposed on the side of the diaphragm 21 facing the first magnet 11 and/or the side facing the second magnet 12 . 2-3, the voice coil 22 may be provided on the side of the diaphragm 21 facing the first magnet 11; referring to FIG. 12, the voice coil 22 may be provided on the side of the diaphragm 21 facing the second magnet 12; see FIG. 13.
  • the voice coil 22 is provided on the side of the diaphragm 21 facing the first magnet 11 and the side facing the second magnet 12 at the same time, that is, the voice coil 22 is provided on both sides of the diaphragm 21, and the number of the voice coil 22 is At least two.
  • the horn 0 may include two vibration systems 2 spaced apart in the first direction 41 , each of the vibration systems 2 includes the diaphragm 21 and the The voice coil 22, one voice coil 22 is provided on one diaphragm 21, the magnetic circuit system 1 includes two sets of the first magnets 11 arranged at intervals in the first direction 41, the two The vibration system 2 is arranged between the two sets of first magnets 11 , and the second magnet 12 is arranged between the two vibration systems 2 .
  • the housing 3 is provided with a sound outlet 3d for the sound emitted by the diaphragm 21 to propagate outward, and the sound outlet 3d is provided on the housing 3 in the first direction 41 , the second direction 42 or the first direction 42 .
  • the side in the third direction 43, the third direction 43 is not parallel to the first direction 41 and the second direction 42, for example, see FIG. 29, the sound outlet 3d is provided on the side of the casing 3 in the first direction 41 30 , the sound hole 3d is provided on the side of the casing 3 in the third direction 43 .
  • the first direction 41 is perpendicular to the second direction 42 .
  • the third direction 43 is perpendicular to the first direction 41 and the second direction 42 .
  • an earphone according to an embodiment of the present invention includes an earphone casing 5 and a sound outlet tube 51 arranged on the earphone casing 5 and communicated with the inside of the earphone casing 5 , and also includes the above-mentioned speaker 0 , and the speaker 0 is arranged at the outlet. in the sound tube 51. Thanks to the above-mentioned settings of the vibration system 2 and the magnetic circuit system 1 of the speaker 0, the speaker 0 has high sensitivity, and at the same time, the size is small. , but not limited to this.
  • the length direction of the speaker 0 is parallel to the longitudinal direction of the sound outlet pipe 51 , that is, the opening of the sound outlet pipe 51 faces.
  • the earphone includes a rear speaker 6 provided in the earphone housing 5, and the rear speaker 6 is farther from the sound outlet tube 51 than the speaker 0, forming an earphone with a dual speaker unit, and the speaker 0 can be responsible for high frequency
  • the rear speakers 6 may be responsible for low frequency sound, but not limited thereto.
  • the rear speaker 6 may be a moving coil type speaker, but is not limited thereto, and may also be a moving iron type speaker, and may also have the same structure as the speaker 0 .

Landscapes

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

Abstract

一种喇叭和耳机,所述喇叭包括壳体、磁路系统和振动系统,振动系统包括音圈以及受音圈驱动的振膜,磁路系统包括设在振动系统的第一方向上的一侧的第一磁体,第一磁体包括中部磁体以及设在中部磁体的第二方向上的两侧的至少两个侧部磁体。所述耳机包括耳机外壳以及设在耳机外壳上的连通耳机外壳内部的出音管,还包括所述喇叭,喇叭设在出音管中。磁路系统和振动系统的结构使得喇叭具有较高的灵敏度,同时磁路系统和振动系统占用空间很小,得益于此,壳体的尺寸可以很小,便于设置在耳机的出音管中。

Description

喇叭和耳机
相关申请的交叉引用
本申请要求于2020年12月21日提交中国专利局、申请号为202023104636.0、发明名称为“喇叭”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
本实用新型涉及音频技术领域。
背景技术
喇叭包括振膜、音圈和磁体,通常一个磁体设在音圈下方,音圈在磁场的作用下振动,带动振膜振动。很多喇叭的整体灵敏度较低,而又占用空间较大。
技术问题
本实用新型要解决的技术问题在于,针对相关技术中的上述缺陷,提供一种改进的喇叭和耳机。
技术解决方案
本实用新型解决其技术问题所采用的技术方案包括:提供一种喇叭,包括壳体以及设置于所述壳体内的磁路系统和振动系统,所述振动系统包括可在所述磁路系统的磁场作用下产生振动的至少一个音圈以及受所述音圈驱动的至少一片平面型振膜,所述磁路系统包括设在所述振动系统的第一方向上的一侧的至少一组第一磁体,每一组所述第一磁体包括中部磁体以及设在所述中部磁体的第二方向上的两侧的至少两个侧部磁体,所述第一方向不平行于所述第二方向。
优选地,所述壳体的长度为4~6mm,高度为1.03~3.03mm,宽度为1.7~3.7mm。
优选地,所述壳体的长度为5mm,高度为2.03mm,宽度为2.7mm。
优选地,所述壳体的厚度为0.05~0.3mm。
优选地,所述壳体的厚度为0.1mm。
优选地,所述第一磁体的相邻两个磁体之间的间隙宽度为0.05~0.3mm。
优选地,所述第一磁体的相邻两个磁体之间的间隙宽度为0.1mm。
优选地,所述音圈包括第一部分和第二部分,第一部分与振膜相连,所述第二部分的一侧与所述第一部分的朝向所述第一磁体的一侧相连,另一侧伸入所述第一磁体的相邻两个磁体之间,第一部分的宽度大于第二部分的。
优选地,所述第二部分的在宽度方向上的一侧或两侧相对于所述第一部分的靠内。
优选地,所述第一部分与所述第二部分是一体的,或者分体的。
优选地,所述第一部分和所述第二部分设在所述振膜的同一侧或者分别设在所述振膜的两侧。
优选地,所述振膜只有一侧设有所述音圈或两侧都设有所述音圈。
优选地,所述至少一片振膜包括在所述第一方向上间隔设置的两片所述振膜,所述至少一个音圈包括两个音圈,所述两个音圈分别设在所述两片振膜的同向、向背或相向的一侧。
优选地,所述音圈包括导线缠绕成的线圈、丝印线圈和/或蚀刻线圈。
优选地,所述第一磁体设在所述壳体内侧或嵌在所述壳体中。
优选地,所述壳体上设有贯通内外的与所述第一磁体形状匹配的第一开口,所述第一磁体嵌在所述第一开口中。
优选地,所述磁路系统包括设在所述振动系统的第一方向上的另一侧的第二磁体。
优选地,所述第二磁体设在所述壳体内侧或嵌在所述壳体中。
优选地,所述壳体上设有贯通内外的第二开口,所述第二磁体嵌在所述第二开口中。
优选地,所述第二磁体设在所述壳体内侧,所述壳体内侧设有与所述第二磁体外侧匹配的定位部。
优选地,所述第二磁体的位置与所述中部磁体对应。
优选地,所述第二磁体的数量为一个,所述第二磁体的宽度与所述中部磁体的宽度对应。
优选地,所述音圈设在所述振膜的朝向所述第一磁体的一侧和/或朝向所述第二磁体的一侧。
优选地,所述喇叭包括在所述第一方向上间隔设置的两个所述振动系统,所述磁路系统包括在所述第一方向上间隔设置的两组所述第一磁体,所述两个所述振动系统设在所述两组第一磁体之间,所述第二磁体设在所述两个所述振动系统之间。
优选地,所述第一磁体的相邻两个磁体之间可设有防摔件,所述防摔件与所述第一磁体的表面接触。
优选地,所述壳体包括所述上盖和所述下盖,所述振动系统设在所述上盖中,所述第一磁体设在所述下盖中。
优选地,所述壳体上设有供所述振膜发出的声音向外传播的出音孔,所述出音孔设在所述壳体的在所述第一方向、所述第二方向或第三方向上的侧部,所述第三方向不平行于所述第一方向和所述第二方向。
优选地,所述第一方向垂直于所述第二方向。
优选地,所述第三方向垂直于所述第一方向和第二方向。
本实用新型解决其技术问题所采用的技术方案还包括:提供一种耳机,包括耳机外壳以及设在所述耳机外壳上的出音管,还包括上述的喇叭,喇叭设在所述出音管中。
优选地,所述喇叭的长度方向平行于所述出音管的纵向。
有益效果
实施本实用新型的技术方案,至少具有以下的有益效果:磁路系统和振动系统的上述结构,使得喇叭具有较高的灵敏度,同事磁路系统和振动系统占用空间很小,得益于此,壳体的尺寸可以很小,尤其便于可以设置在耳机的出音管中。
附图说明
为了更清楚地说明本实用新型实施例中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本实用新型的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1是本实用新型的一些实施方式的喇叭的立体图。
图2是本实用新型的第一种实施例的喇叭的内部结构示意图(图中S和N表示磁体的极性)。
图3是图2中A部位的局部放大图。
图4是本实用新型的第二种实施例的喇叭的内部结构示意图(图中S和N表示磁体的极性)。
图5是图4中B部位的局部放大图。
图6是本实用新型的一些实施方式的喇叭的第一磁体和第二磁体的位置关系示意图。
图7是本实用新型的第三种实施例的喇叭的内部结构示意图。
图8是本实用新型的第四种实施例的喇叭的内部结构示意图。
图9是本实用新型的第五种实施例的喇叭的内部结构示意图。
图10是本实用新型的第六种实施例的喇叭的内部结构示意图。
图11是本实用新型的第七种实施例的喇叭的内部结构示意图。
图12是本实用新型的第八种实施例的喇叭的内部结构示意图。
图13是本实用新型的第九种实施例的喇叭的内部结构示意图。
图14是本实用新型的第十种实施例的喇叭的内部结构示意图。
图15是本实用新型的第十一种实施方式的喇叭的内部结构示意图。
图16是图15的喇叭的爆炸图。
图17是本实用新型的第十二种实施例的喇叭的内部结构示意图。
图18是本实用新型的第十三种实施例的喇叭的内部结构示意图。
图19是本实用新型的第十四种实施例的喇叭的内部结构示意图。
图20是本实用新型的第十五种实施例的喇叭的内部结构示意图。
图21是本实用新型的第十六种实施例的喇叭的内部结构示意图。
图22是本实用新型的第十七种实施例的喇叭的内部结构示意图。
图23是本实用新型的第十八种实施例的喇叭的内部结构示意图。
图24是本实用新型的第十九种实施例的喇叭的内部结构示意图。
图25是本实用新型的第二十种实施例的喇叭的内部结构示意图。
图26是本实用新型的第二十一种实施例的喇叭的内部结构示意图。
图27是本实用新型的第二十八种实施例的喇叭的内部结构示意图。
图28是本实用新型的第二十九种实施例的喇叭的内部结构示意图。
图29是本实用新型的一些实施方式的喇叭的俯视图。
图30是本实用新型的一些实施方式的喇叭的主视图。
图31是本实用新型的一些实施方式的耳机的内部结构示意图。
图中的标号表示:磁路系统1,第一磁体11,中部磁体111,侧部磁体112,第二磁体12,第一磁感线13,第二磁感线14,振动系统2,振膜21,音圈22,第一部分221,第二部分222,基板212,壳体3,上盖31,下盖32,第一方向41,第二方向42,第三方向43,第一开口3a,第二开口3b,定位部3c,出音孔3d,耳机外壳5,出音管51,后置喇叭6,防摔件7。
本发明的实施方式
为了对本实用新型的技术特征、目的和效果有更加清楚的理解,现对照附图详细说明本实用新型的具体实施方式。需要理解的是,如果文中出现“前”、“后”、“上”、“下”、“左”、“右”、“纵”、“横”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“头”、“尾”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、以特定的方位构造和操作,仅是为了便于描述本技术方案,而不是指示所指的装置或元件必须具有特定的方位,因此不能理解为对本实用新型的限制。还需要说明的是,除非另有明确的规定和限定,如果文中出现“安装”、“相连”、“连接”、“固定”、“设置”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系。当一个元件被称为在另一元件“上”或“下”时,该元件能够“直接地”或“间接地”位于另一元件之上,或者也可能存在一个或更多个居间元件。如果文中出现术语“第一”、“第二”、“第三”等仅是为了便于描述本技术方案,而不能理解为指示或暗示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”、“第三”等的特征可以明示或者隐含地包括一个或者更多个该特征。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发明中的具体含义。
以下描述中,为了说明而不是为了限定,提出了诸如特定系统结构、技术之类的具体细节,以便透彻理解本实用新型实施例。然而,本领域的技术人员应当清楚,在没有这些具体细节的其它实施例中也可以实现本实用新型。在其它情况中,省略对众所周知的系统、装置、电路以及方法的详细说明,以免不必要的细节妨碍本实用新型的描述。
参见图1-6,本实用新型的一种实施方式中的喇叭0,包括壳体3以及设置于壳体3内的磁路系统1和振动系统2,振动系统2包括可在磁路系统1的磁场作用下产生振动的至少一个音圈22以及受音圈22驱动的至少一片平面型振膜21,磁路系统1包括设在振动系统2的第一方向41上的一侧的至少一组第一磁体11,每一组第一磁体11包括中部磁体111以及设在中部磁体111的第二方向42上的两侧的至少两个侧部磁体112。
所述平面型振膜21是指振膜整体大概呈平面的,而不是绝对平面的,例如振膜21上有少部分拱起,但整体仍大概呈平面的,也属于平面型振膜,正如带圆角的长方体,虽然不是绝对的长方体,仍属于长方体。
磁路系统1和振动系统2的上述结构,使得喇叭0具有较高的灵敏度,同事磁路系统1和振动系统2占用空间很小,得益于此,壳体3的尺寸可以很小,尤其便于可以设置在耳机的出音管51中。壳体3形状可以是方形也可以是圆形。该喇叭0可以应用于耳机喇叭、手机听筒、手机喇叭和笔电喇叭等喇叭领域。
在一些实施例中,壳体3的长度为4~6mm,高度为1.03~3.03mm,宽度为1.7~3.7mm。优选地,壳体3的长度为5mm,高度为2.03mm,宽度为2.7mm,并且整体为长方体形。壳体3的高度可以为第一方向41的尺寸,当第一方向41垂直于第二方向42时,宽度可以为第二方向42的尺寸,长度可以为垂直于第一方向41和第二方向42的尺寸,但不限于此。
在一些实施例中,壳体3的厚度为0.05~0.3mm。壳体3的厚度优选为0.1mm,壳体3优选为金属的,以在保证强度的同时,厚度很薄。
在一些实施例中,第一磁体11的相邻两个磁体之间的间隙宽度为0.05~0.3mm。第一磁体11的相邻两个磁体之间的间隙宽度优选为0.1mm。具体而言,当侧部磁体112有两个时,第一磁体11的相邻两个磁体之间的间隙宽度包括中部磁体111与侧部磁体112之间的间隙;当侧部磁体112有两个时,第一磁体11的相邻两个磁体之间的间隙宽度包括中部磁体111与侧部磁体112之间以及相邻两个侧部磁体112之间的间隙。
参见图17-18,在一些实施例中,音圈22包括第一部分221和第二部分222,第一部分221与振膜21相连,第二部分222的一侧与第一部分221的朝向第一磁体11的另一侧相连,第二部分222的另一侧伸入第一磁体11的相邻两个磁体之间,第一部分221的宽度大于第二部分222的宽度。
在一些实施例中,第二部分222的在宽度方向上的一侧或两侧相对于第一部分221的靠内,可以形成台阶;具体而言,参见图17-18,当第二部分222的在宽度方向上的一侧相对于第一部分221的靠内时,该侧可以形成台阶,音圈22横截面呈L形;参见图19-20,当第二部分222的在宽度方向上的两侧相对于第一部分221的靠内时,两侧可以形成台阶,音圈22横截面呈T形。
在一些实施例中,参见图17-20,第一部分221与第二部分222可以是一体的,音圈22整体可以由导线围绕而成;或者参见图21-22,第一部分221与第二部分222是分体的,第二部分222可以粘在第一部分221上。
在一些实施例中,第一部分221和第二部分222可以设在振膜21的同一侧(参见图17-22和26)或者分别设在振膜21的两侧(参见27-28)。
在一些实施例中,每一振膜21只有一侧设有音圈22(参见图11-12、17-22和24)或两侧都设有音圈22(参见图13和23)。
在一些实施例中,所述至少一片振膜21包括在第一方向41上间隔设置的两片振膜21,所述至少一个音圈22包括两个音圈22,所述两个音圈22分别设在所述两片振膜21的同向、向背或相向的一侧,图14和24展示了音圈22分别设在振膜21的向背一侧的实施例。
参见图17-22,在一些实施例中,每一磁路系统1的侧部磁体112的数量可以为两个;参见图25,在另一些实施例中,每一磁路系统1的侧部磁体112的数量也可以为多个,在第二方向42上间隔设置,音圈22的第二部分222可以伸入中部磁体111与侧部磁体112之间和/或侧部磁体112与侧部磁体112之间。
在一些实施例中,音圈包括导线缠绕成的线圈、丝印线圈和/或蚀刻线圈,丝印线圈由丝印在基板212上,蚀刻线圈由蚀刻在基板212上,基板212并排粘在振膜21上,基板212优选刚性大于振膜21的金属材质,例如铝材质;导线缠绕成的线圈通常粘在振膜21上,丝印线圈、蚀刻线圈可以与导线绕城的线圈同时存在。
参见图2-6,在一些实施例中,所述磁路系统1包括设在所述振动系统2的第一方向41上的另一侧的第二磁体12,换言之第一磁体11和第二磁体12分别设在所述振动系统2的第一方向41上的两侧。
该喇叭0中,第一磁体11的中部磁体111和侧部磁体112之间形成第一磁感线13,第一磁体11与第二磁体12之间形成第二磁感线14,磁场增强,根据左手定则F=BIL,B增加后,F也会增加,音圈22受的力增加,喇叭0的整体灵敏度会增加,高频的频宽更宽。
图2-5和7-14展示了第一磁体11和第二磁体12的多种设置方式。
在一些实施例中,第二磁体12设在壳体3内侧或嵌在壳体3中。优选地,壳体3包括上盖31和下盖32,第二磁体12设在上盖31内侧如图2-3或嵌在上盖31中如图4-5。
参见图15-16,在一些实施例中,振动系统2的可设在上盖31中,振膜21边缘与上盖31内侧连接,音圈22设在振膜21上,磁路系统1的第一磁体11可设在下盖32中。第一磁体11的相邻两个磁体之间可设有防摔件7,防摔件7优选为防摔片,自身可以具有弹性,防摔件7与第一磁体11的表面接触,以固定第一磁体11在壳体3中,当喇叭0摔落时,防摔片7可以防止第一磁体11位移或损坏。
参见图4-5,在一些实施例中,所述壳体3上可设有贯通内外的与第二磁体12形状匹配的第二开口3b,所述第二磁体12嵌在所述第二开口3b中,优选地,第二磁体12的露出壳体3外的侧面与壳体3外侧齐平。
参见图2-3,在一些实施例中,所述第二磁体12设在所述壳体3内侧,可以是直接粘在壳体3内侧,壳体3可以是塑胶或金属材质。参见图7,所述壳体3内侧可设有与所述第二磁体12外侧匹配的定位部3c,定位部3c优选为围绕第二磁体12的环状体,环状体的形状与第二磁体12的形状匹配。在制造时,壳体3可为塑胶材质的,第二磁体12先设在注塑模具中,通过注塑成型出与第二磁体12固结在一起的壳体3,从而第二磁体12嵌在壳体3中;此外,也可以先注塑出设有定位部3c的壳体3,然后将第二磁体12通过定位部3c定位,固定在壳体3上,例如粘在壳体3上。
所述第一磁体11可设在所述壳体3内侧或嵌在所述壳体3中。
参见图2-3,在一些实施例中,第一磁体11设在壳体3内侧,可以是直接粘在壳体3内侧。参见图8,所述壳体3内侧设有的嵌入槽,所述第一磁体11嵌入所述嵌入槽中。在制造时,壳体3可为塑胶材质的,第一磁体11先设在注塑模具中,通过注塑成型出与第一磁体11固结在一起的壳体3,从而第一磁体11嵌在壳体3中;此外,也可以先注塑出设有嵌入槽的壳体3,再将第一磁体11装入嵌入槽中。参见图9,该实施例的壳体3设有定位部3c和嵌入槽,第一磁体11和第二磁体12分别嵌入定位部3c和嵌入槽中。
参见图10,在一些实施例中,所述壳体3上可设有贯通内外的与所述第一磁体11形状匹配的第一开口3a,所述第一磁体11嵌在所述第一开口3a中,优选地,第一磁体11的露出壳体3外的侧面与壳体3外侧齐平。参见图11,该实施例的壳体3设有贯穿内外的第一开口3a和第二开口3b,第一磁体11和第二磁体12分别嵌入第一开口3a和第二开口3b中。
在一些实施例中,第一磁体11的位置与中部磁体111对应。第一磁体11的数量可以为至少一个。当第二磁体12的数量为一个时,第二磁体12的宽度与中部磁体111的宽度对应,中部磁体111与第二磁体12之间形成第二磁感线14。
中部磁体111的数量优选为一个。侧部磁体112的数量优选为两个。
在一些实施例中,第一磁体11和/或第二磁体12为条形磁铁,优选地,两者都为条形磁体。
在一些实施例中,第一方向41垂直于第二方向42,优选地,第一方向41为纵向,第二方向42为横向。条形磁体的长度方向为第三方向43,第一方向41、第二方向42和第三方向43两两相互垂直。
在一些实施例中,在振动系统2中,振膜21设在第一磁体11和第二磁体12之间,音圈22设在振膜21上,音圈22优选为跑道形音圈22,部分音圈22的位置对应于中部磁体111与侧部磁体112之间的间隙。
进一步,所述音圈22设在所述振膜21的朝向所述第一磁体11的一侧和/或朝向所述第二磁体12的一侧。参见图2-3,音圈22可设在振膜21的朝向第一磁体11的一侧;参见图12,音圈22可设在振膜21的朝向第二磁体12的一侧;参见图13,音圈22同时设在振膜21的朝向第一磁体11的一侧和朝向第二磁体12的一侧,也即振膜21两侧都设有音圈22,音圈22的数量为至少两个。
参见图14,在一些实施例中,所述喇叭0可包括在所述第一方向41上间隔设置的两个所述振动系统2,每一所述振动系统2包括所述振膜21和所述音圈22,一个音圈22设在一个振膜21上,所述磁路系统1包括在所述第一方向41上间隔设置的两组所述第一磁体11,所述两个所述振动系统2设在所述两组第一磁体11之间,所述第二磁体12设在所述两个所述振动系统2之间。
在一些实施例中,壳体3上设有供振膜21发出的声音向外传播的出音孔3d,出音孔3d设在壳体3的在第一方向41、第二方向42或第三方向43上的侧部,第三方向43不平行于第一方向41和第二方向42,例如,参见图29,出音孔3d设在壳体3的在第一方向41上的侧部;参见图30,出音孔3d设在壳体3的在第三方向43上的侧部。
优选地,在上述方案中,第一方向41垂直于第二方向42。第三方向43垂直于第一方向41和第二方向42。
参见图31,本实用新型的一种实施方式的耳机,包括耳机外壳5以及设在耳机外壳5上的连通耳机外壳5内部的出音管51,还包括上述的喇叭0,喇叭0设在出音管51中。得益于喇叭0的振动系统2和磁路系统1的上述设置,喇叭0具有很高的灵敏度,同时,尺寸很小,设在出音管51中,离耳膜更近,可以负责高频声音,但不限于此。
优选地,喇叭0的长度方向平行于出音管51的纵向,也即出音管51的开口朝向。
在一些实施例中,参见图31,耳机包括设在耳机外壳5中的后置喇叭6,后置喇叭6比喇叭0远离出音管51,形成双喇叭单元的耳机,喇叭0可以负责高频声音,后置喇叭6可以负责低频声音,但不限于此。后置喇叭6可以为动圈型喇叭,但不限于此,也可以为动铁型喇叭,也可以与喇叭0的结构一样。
以上所述仅为本实用新型的优选实施例而已,并不用于限制本实用新型,对于本领域的技术人员来说,本实用新型可以有各种更改、组合和变化。凡在本实用新型的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本实用新型的权利要求范围之内。

Claims (31)

  1. 一种喇叭(0),其特征在于,包括壳体(3)以及设置于所述壳体(3)内的磁路系统(1)和振动系统(2),所述振动系统(2)包括可在所述磁路系统(1)的磁场作用下产生振动的至少一个音圈(22)以及受所述音圈(22)驱动的至少一片平面型振膜(21),所述磁路系统(1)包括设在所述振动系统(2)的第一方向(41)上的一侧的至少一组第一磁体(11),每一组所述第一磁体(11)包括中部磁体(111)以及设在所述中部磁体(111)的第二方向(42)上的两侧的至少两个侧部磁体(112),所述第一方向(41)不平行于所述第二方向(42)。
  2. 根据权利要求1所述的喇叭(0),其特征在于,所述壳体(3)的长度为4~6mm,高度为1.03~3.03mm,宽度为1.7~3.7mm。
  3. 根据权利要求2所述的喇叭(0),其特征在于,所述壳体(3)的长度为5mm,高度为2.03mm,宽度为2.7mm。
  4. 根据权利要求1所述的喇叭(0),其特征在于,所述壳体(3)的厚度为0.05~0.3mm。
  5. 根据权利要求4所述的喇叭(0),其特征在于,所述壳体(3)的厚度为0.1mm。
  6. 根据权利要求1所述的喇叭(0),其特征在于,所述第一磁体(11)的相邻两个磁体之间的间隙宽度为0.05~0.3mm。
  7. 根据权利要求6所述的喇叭(0),其特征在于,所述第一磁体(11)的相邻两个磁体之间的间隙宽度为0.1mm。
  8. 根据权利要求1所述的喇叭(0),其特征在于,所述音圈(22)包括第一部分(221)和第二部分(222),所述第一部分(221)与振膜(21)相连,所述第二部分(222)的一侧与所述第一部分(221)的朝向所述第一磁体(11)的一侧相连,另一侧伸入所述第一磁体(11)的相邻两个磁体之间,第一部分(221)的宽度大于第二部分(222)的宽度。
  9. 根据权利要求8所述的喇叭(0),其特征在于,所述第二部分(222)的在宽度方向上的一侧或两侧相对于所述第一部分(221)的靠内。
  10. 根据权利要求8所述的喇叭(0),其特征在于,所述第一部分(221)与所述第二部分(222)是一体的,或者分体的。
  11. 根据权利要求8所述的喇叭(0),其特征在于,所述第一部分(221)和所述第二部分(222)设在所述振膜(21)的同一侧或者分别设在所述振膜(21)的两侧。
  12. 根据权利要求1所述的喇叭(0),其特征在于,所述振膜(21)只有一侧设有所述音圈(22)或两侧都设有所述音圈(22)。
  13. 根据权利要求12所述的喇叭(0),其特征在于,所述至少一片振膜(21)包括在所述第一方向(41)上间隔设置的两片所述振膜(21),所述至少一个音圈(22)包括两个音圈(22),所述两个音圈(22)分别设在所述两片振膜(21)的同向、向背或相向的一侧。
  14. 根据权利要求1所述的喇叭(0),其特征在于,所述音圈(22)包括导线缠绕成的线圈、丝印线圈和/或蚀刻线圈。
  15. 根据权利要求1所述的喇叭(0),其特征在于,所述第一磁体(11)设在所述壳体(3)内侧或嵌在所述壳体(3)中。
  16. 根据权利要求15所述的喇叭(0),其特征在于,所述壳体(3)上设有贯通内外的与所述第一磁体(11)形状匹配的第一开口(3a),所述第一磁体(11)嵌在所述第一开口(3a)中。
  17. 根据权利要求2-16任一项所述的喇叭(0),其特征在于,所述磁路系统(1)包括设在所述振动系统(2)的第一方向(41)上的另一侧的第二磁体(12)。
  18. 根据权利要求17所述的喇叭(0),其特征在于,所述第二磁体(12)设在所述壳体(3)内侧或嵌在所述壳体(3)中。
  19. 根据权利要求18所述的喇叭(0),其特征在于,所述壳体(3)上设有贯通内外的第二开口(3b),所述第二磁体(12)嵌在所述第二开口(3b)中。
  20. 根据权利要求18所述的喇叭(0),其特征在于,所述第二磁体(12)设在所述壳体(3)内侧,所述壳体(3)内侧设有与所述第二磁体(12)外侧匹配的定位部(3c)。
  21. 根据权利要求17所述的喇叭(0),其特征在于,所述第二磁体(12)的位置与所述中部磁体(111)对应。
  22. 根据权利要求17所述的喇叭(0),其特征在于,所述第二磁体(12)的数量为一个,所述第二磁体(12)的宽度与所述中部磁体(111)的宽度对应。
  23. 根据权利要求17所述的喇叭(0),其特征在于,所述音圈(22)设在所述振膜(21)的朝向所述第一磁体(11)的一侧和/或朝向所述第二磁体(12)的一侧。
  24. 根据权利要求17所述的喇叭(0),其特征在于,所述喇叭包括在所述第一方向(41)上间隔设置的两个所述振动系统(2),所述磁路系统(1)包括在所述第一方向(41)上间隔设置的两组所述第一磁体(11),所述两个所述振动系统(2)设在所述两组第一磁体(11)之间,所述第二磁体(12)设在所述两个所述振动系统(2)之间。
  25. 根据权利要求1所述的喇叭(0),其特征在于,所述第一磁体(11)的相邻两个磁体之间可设有防摔件(7),所述防摔件(7)与所述第一磁体(11)的表面接触。
  26. 根据权利要求1所述的喇叭(0),其特征在于,所述壳体(3)包括上盖(31)和下盖(32),所述振动系统(2)设在所述上盖(31)中,所述第一磁体(11)设在所述下盖(32)中。
  27. 根据权利要求1所述的喇叭(0),其特征在于,所述壳体(3)上设有供所述振膜(21)发出的声音向外传播的出音孔(3d),所述出音孔(3d)设在所述壳体(3)的在所述第一方向(41)、所述第二方向(42)或第三方向(43)上的侧部,所述第三方向(43)不平行于所述第一方向(41)和所述第二方向(42)。
  28. 根据权利要求1所述的喇叭(0),其特征在于,所述第一方向(41)垂直于所述第二方向(42)。
  29. 根据权利要求27所述的喇叭(0),其特征在于,所述第三方向(43)垂直于所述第一方向(41)和第二方向(42)。
  30. 一种耳机,其特征在于,包括耳机外壳(5)以及设在所述耳机外壳(5)上的出音管(51),还包括根据权利要求1-29任一项所述的喇叭(0),喇叭(0)设在所述出音管(51)中。
  31. 根据权利要求30所述的耳机,其特征在于,所述喇叭(0)的长度方向平行于所述出音管(51)的纵向。
PCT/CN2021/079607 2020-12-21 2021-03-08 喇叭和耳机 WO2022134318A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202023104636.0 2020-12-21
CN202023104636 2020-12-21

Publications (1)

Publication Number Publication Date
WO2022134318A1 true WO2022134318A1 (zh) 2022-06-30

Family

ID=78020396

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2021/075034 WO2022134274A1 (zh) 2020-12-21 2021-02-03 喇叭
PCT/CN2021/079607 WO2022134318A1 (zh) 2020-12-21 2021-03-08 喇叭和耳机

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/075034 WO2022134274A1 (zh) 2020-12-21 2021-02-03 喇叭

Country Status (2)

Country Link
CN (2) CN214413032U (zh)
WO (2) WO2022134274A1 (zh)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6810126B2 (en) * 2001-10-24 2004-10-26 Bg Corporation Planar magnetic transducer
US20090097693A1 (en) * 2001-01-26 2009-04-16 Croft Iii James J Planar-magnetic speakers with secondary magnetic structure
US20120087518A1 (en) * 2006-09-15 2012-04-12 Hpv Technologies, Inc. Full Range Planar Magnetic Microphone and Arrays Thereof
CN205883573U (zh) * 2016-08-12 2017-01-11 深圳倍声声学技术有限公司 一种防摔受话器
CN206402438U (zh) * 2017-01-11 2017-08-11 瑞声科技(南京)有限公司 扬声器
CN107846649A (zh) * 2016-09-20 2018-03-27 固昌通讯股份有限公司 平面喇叭单体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206136279U (zh) * 2016-09-19 2017-04-26 万魔声学科技有限公司 平面振膜喇叭
CN107124685A (zh) * 2017-06-20 2017-09-01 维沃移动通信有限公司 一种扬声器及电子设备
WO2019053714A1 (en) * 2017-09-17 2019-03-21 Mordechai Oren DUAL PROFILE DRIVE WITH LOW PROFILE
CN111819866B (zh) * 2018-03-07 2023-02-03 哈曼国际工业有限公司 扬声器
CN210807645U (zh) * 2019-12-13 2020-06-19 常州阿木奇声学科技有限公司 喇叭
CN212115664U (zh) * 2020-06-22 2020-12-08 歌尔股份有限公司 扬声器和耳机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090097693A1 (en) * 2001-01-26 2009-04-16 Croft Iii James J Planar-magnetic speakers with secondary magnetic structure
US6810126B2 (en) * 2001-10-24 2004-10-26 Bg Corporation Planar magnetic transducer
US20120087518A1 (en) * 2006-09-15 2012-04-12 Hpv Technologies, Inc. Full Range Planar Magnetic Microphone and Arrays Thereof
CN205883573U (zh) * 2016-08-12 2017-01-11 深圳倍声声学技术有限公司 一种防摔受话器
CN107846649A (zh) * 2016-09-20 2018-03-27 固昌通讯股份有限公司 平面喇叭单体
CN206402438U (zh) * 2017-01-11 2017-08-11 瑞声科技(南京)有限公司 扬声器

Also Published As

Publication number Publication date
CN214675646U (zh) 2021-11-09
CN214413032U (zh) 2021-10-15
WO2022134274A1 (zh) 2022-06-30

Similar Documents

Publication Publication Date Title
US7885425B2 (en) Electrodynamic electroacoustic transducer and electronic device
US8774447B2 (en) Crossover double speaker
US7593540B2 (en) Electroacoustic transducer and magnetic circuit unit
US20140056464A1 (en) Micro-Speaker
WO2021103070A1 (zh) 扬声器及音频设备
US20140056446A1 (en) Micro-Speaker
WO2020248214A1 (zh) 一种屏幕发声装置
WO2021223263A1 (zh) 一种扬声器
CN110881161A (zh) 扬声器及电子设备
US20120308070A1 (en) Slim type speaker and magnetic circuit therefor
JP2013102360A (ja) スピーカ
JP2003032786A (ja) 角形スピーカ
WO2022061989A1 (zh) 扬声器及电子设备
CN117641206A (zh) 发声装置和电子设备
WO2022134318A1 (zh) 喇叭和耳机
JP4600024B2 (ja) スピーカおよびこのスピーカの製造方法
WO2020119236A1 (zh) 扬声器
JP4814361B2 (ja) スピーカユニット
US10979800B2 (en) Sounding device
KR100711298B1 (ko) 초박형 마이크로스피커
JP2008092025A (ja) スピーカとそれを用いた電子機器
KR101558104B1 (ko) 분리형 진동판 모듈과 이를 이용한 장방형 스피커
JP2013021469A (ja) スピーカ
JP2004343602A (ja) スピーカおよびこれを用いたモジュールおよびこのスピーカを用いた電子機器
JP2011135386A (ja) スピーカー用フレームおよびこれを用いたスピーカー

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21908332

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21908332

Country of ref document: EP

Kind code of ref document: A1