WO2021031928A1 - Membrane vibrante et unité haut-parleur - Google Patents

Membrane vibrante et unité haut-parleur Download PDF

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Publication number
WO2021031928A1
WO2021031928A1 PCT/CN2020/108418 CN2020108418W WO2021031928A1 WO 2021031928 A1 WO2021031928 A1 WO 2021031928A1 CN 2020108418 W CN2020108418 W CN 2020108418W WO 2021031928 A1 WO2021031928 A1 WO 2021031928A1
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WO
WIPO (PCT)
Prior art keywords
conductive
vibrating membrane
conductive member
external circuit
voice coil
Prior art date
Application number
PCT/CN2020/108418
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English (en)
Chinese (zh)
Inventor
罗冬梅
Original Assignee
朱达云
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 朱达云 filed Critical 朱达云
Publication of WO2021031928A1 publication Critical patent/WO2021031928A1/fr

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    • 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 utility model relates to the technical field of loudspeakers, in particular to a vibrating membrane and loudspeakers.
  • a speaker is a transducer device that converts an electrical signal into an acoustic signal.
  • the main principle is that the audio energy uses electromagnetic, piezoelectric or electrostatic effects to make the cone or diaphragm vibrate and resonate with the surrounding air. And make a sound.
  • the utility model also provides a loudspeaker.
  • the utility model adopts the following technical solutions:
  • a vibrating membrane includes a conductive component used to electrically connect a voice coil and an external circuit.
  • the above-mentioned vibrating membrane is provided with conductive parts, which enable the vibrating membrane itself to connect the voice coil and the external circuit in a circuit, avoiding the use of brocade wires, so that when the vibrating membrane vibrates, the internal conductive parts are not affected by the vibration, so that Reduce the noise, even if the vibration is divided, the sound effect will not be distorted, so that the vibration can be balanced and the distortion can be reduced; the conductive parts are installed on the vibrating membrane, which will not break compared to the brocade wire, thereby increasing the overall service life of the speaker; When connecting the diaphragm and the circuit directly, the circuit connection is simpler and more stable; the conductive parts are directly connected to the circuit through the pad, making the circuit connection cost lower; the gap between the diaphragm and the elastic wave can be made smaller , So that the thickness of the entire speaker is smaller and thinner.
  • the conductive component includes a conductive layer and an insulating layer connected to the surface of the conductive layer.
  • the conductive layer is connected to the insulating layer through an adhesive layer.
  • the vibrating membrane includes a body, and the conductive member is installed on one side of the body; or the conductive member is installed in the body so that the conductive member is not exposed outside the body Or the conductive component is inserted on the body.
  • the conductive component is installed on the side of the body that is not exposed to the outside.
  • the conductive member extends to the bottom position of the outer edge of the body.
  • a conductive bracket electrically connected to the conductive component is installed at a portion of the body near the outer edge, and the bottom of the conductive bracket extends to the bottom of the outer edge of the body for connecting to the External circuit.
  • the vibrating membrane includes a membrane body made of a conductive material
  • the conductive material includes a conductive layer and an insulating layer connected to the surface of the conductive layer
  • a non-conductive isolation member is provided in the membrane body The non-conductive isolation member separates the membrane body into at least two parts, wherein any two parts are respectively used to electrically connect the voice coil and the external circuit, and the membrane body forms the conductive part.
  • a center hole is opened in the center of the conductive member, and the conductive member is provided with a conductive inner ring corresponding to the edge of the center hole, and the conductive inner ring is provided with at least one for electrically connecting the sound
  • the inner pad of the ring, the outer edge of the conductive component is provided with a conductive outer ring, and the conductive outer ring is provided with at least one outer pad for electrically connecting the external circuit.
  • the utility model also provides a loudspeaker, which includes a magnet and a voice coil matched with the magnet, and also includes the vibrating membrane, and the conductive parts are electrically connected with the voice coil and an external circuit, respectively.
  • FIG. 1 is a schematic diagram of the structure of the diaphragm according to a preferred embodiment of the present invention
  • FIG. 2 is a schematic diagram of the structure of a conductive component according to a preferred embodiment of the present invention.
  • FIG. 3 is a schematic diagram of the internal structure of the vibrating membrane according to the second embodiment of the present invention, the vibrating membrane is basin-shaped;
  • FIG. 4 is a schematic diagram of the internal structure of the vibrating membrane according to the third embodiment of the present invention, the vibrating membrane is basin-shaped;
  • FIG. 5 is a schematic diagram of the internal structure of the vibrating membrane according to the fourth embodiment of the present invention, the vibrating membrane is basin-shaped;
  • FIG. 6 is a schematic diagram of the internal structure of the vibrating membrane according to the fifth embodiment of the present invention, the vibrating membrane is basin-shaped;
  • Figures 7-10 are schematic diagrams of diaphragms of different shapes, which can be combined with conductive parts;
  • Fig. 11 is a top view of the diaphragm described in Fig. 1;
  • Figure 12 is a top view of the vibrating membrane according to the fourth embodiment of the present invention.
  • Fig. 13 is a schematic diagram of the structure of the speaker according to the fifth embodiment of the present invention.
  • the present invention provides a vibrating membrane 10, which includes a conductive member 20, and the conductive member 20 is respectively used for electrical connection with a voice coil 30 of a speaker and an external circuit.
  • the above-mentioned vibrating membrane is provided with conductive parts, which enable the vibrating membrane itself to connect the voice coil and the external circuit in a circuit, avoiding the use of brocade wires, so that when the vibrating membrane vibrates, the internal conductive parts are not affected by the vibration, thereby enabling Reduce the noise, even if the vibration is divided, the sound effect will not be distorted, so that the vibration can be balanced and the distortion can be reduced; the conductive parts are installed on the vibrating membrane, which will not break compared to the brocade wire, thereby increasing the overall service life of the speaker;
  • the circuit connection is simpler and more stable; the conductive parts are directly connected to the circuit through the pad, making the circuit connection cost lower; the gap between the diaphragm and the elastic wave can be made smaller , So that the thickness of the entire speaker is smaller and thinner.
  • the conductive component 20 in order to ensure the safety of the conductive component 20, includes a conductive layer 21 and an insulating layer 22 connected to the surface of the conductive layer 21. If the conductive component 20 is exposed to the outside, there will be no safety hazard. In addition, the safety of the operator can be ensured when the conductive component 20 is installed or when the circuit is electrically connected.
  • the insulating layer 22 can also make the conductive member 20 more flexible and more convenient for combining with other materials.
  • the insulating layer 22 can also enhance the rigidity and strength of other materials laminated with the conductive member 20, so that the vibration balance of the diaphragm is higher.
  • the number of layers of the insulating layer 22 can be one or more layers.
  • the conductive layer 21 is connected to an insulating layer 22 through an adhesive layer, or the surface of the insulating layer 22 is connected to an insulating layer 22 through an adhesive layer, and so on , Multiple insulating layers 22 can be provided.
  • the aforementioned conductive member 20 may be a printed circuit.
  • the conductive layer 21 is connected to the insulating layer 22 through the glue layer 23.
  • the conductive layer 21 is made of a copper material
  • the insulating layer 22 is made of, for example, PET (polyterephthalate plastic), PEEK (polyether ether ketone resin), PEI (polyether imide), and PEN (polynaphthalene two It is made of ethylene glycol formate) and other materials, which can play an insulating role.
  • the diaphragm 10 includes a main body 11, and the conductive component 20 is installed on one side of the main body 11.
  • the main body 11 can be made of paper material, polypropylene material, aluminum alloy material or composite material, etc., all of which can achieve its purpose.
  • the conductive component 20 is directly glued and hot pressed on one side of the body 11.
  • the main body 11 includes a carcass 110 and a hanging side 111 (vibrating side).
  • the hanging side 111 is connected to the edge of the carcass 110.
  • the carcass 110 and the hanging side 111 can also be integrally formed.
  • the conductive layer 21, that is, the circuit diagram, can be made into a mesh or other shape, and the insulating layer 22 has the same shape as the main body 11, so that the overall shape of the conductive component 20 is the same or similar to that of the main body 11, and can be more adapted to the main body 11 to facilitate integration with The bodies 11 are connected together.
  • the shape of the insulating layer 22 is concave, convex, dome-shaped, conical, square, flat, racetrack, oval, etc.
  • the conductive member 20 is pressed on the side of the body 11 that is not exposed, that is, the conductive member 20 is pressed on the side of the body 11 close to the magnet 40, which is not directly facing For people, safety can be guaranteed.
  • a central hole 22 is opened in the center of the conductive member 20, and the conductive member 20 corresponds to
  • the edge of the central hole 22 is provided with a conductive inner ring 23, and the outer edge of the conductive component 20 is provided with a conductive outer ring 24.
  • the pad 201 includes an inner pad 25 and an outer pad 26.
  • the number of the inner pad 25 and the outer pad 26 is at least one.
  • the inner pad 25 is used to electrically connect the voice coil 30.
  • the outer pad 26 is used to electrically connect an external circuit.
  • the number of inner pads 25 and outer pads 26 may be multiple, and they are connected through multiple pads.
  • the inner pad 25 and the outer pad 26 can be arranged in suitable positions according to the overall shape of the speaker.
  • the above-mentioned vibrating membrane can be made into any shape, such as flat membrane shape, cone shape, basin shape, dome shape and ribbon shape, etc. According to the shape, pads are arranged at corresponding positions to connect the voice coil 30 and the external circuit. can.
  • Figure 7 is the structure diagram of the convex edge paper cone.
  • Fig. 8 for the structure diagram of the convex-side diaphragm; refer to Fig. 9 for the structure diagram of the concave-side diaphragm;
  • Fig. 10 for the structure diagram of the square diaphragm.
  • the conductive member 20 can be combined with the diaphragm of the above-mentioned structure.
  • the diaphragm of this embodiment is different from the first embodiment in that the conductive component 20 is installed in the body 11 so that the conductive component 20 is not exposed outside the body 11. In this way, the original appearance and material of the main body 11 are not affected.
  • the conductive member 20 is directly pressed into the body 11, the edge of the conductive member 20 is exposed to the body 11 and the pad 201 is provided for circuit connection.
  • the conductive member 20 extends to the bottom position of the outer edge of the body 11. In this way, it is more convenient for the external circuit to connect the voice coil 30 and/or the conductive component 20, and the connection part is hidden.
  • the diaphragm is in the shape of a flat diaphragm
  • both the voice coil 30 and the external circuit are connected to the bottom edge of the conductive member 20.
  • the diaphragm is in the shape of a basin
  • the external circuit is connected to the bottom edge of the conductive member 20.
  • the ring 30 connects the center position of the conductive member 20.
  • the conductive component 20 can also only extend to the edge position of the main body 11 to achieve circuit connection.
  • the diaphragm of this embodiment is different from the second embodiment in that the part of the main body 11 near the outer edge is installed with a conductive support 27 electrically connected to the conductive component 20, and the bottom of the conductive support 27 extends to the main body 11. The bottom position of the outer edge.
  • the external circuit is connected to the voice coil 30 and/or the conductive member 20 from the bottom edge of the main body 11, and the conductive member 20 does not need to extend out of the main body, which facilitates the installation of the conductive member 20.
  • both the voice coil 30 and the external circuit are connected to the bottom edge of the conductive member 20.
  • the diaphragm is in the shape of a basin, the external circuit is connected to the bottom edge of the conductive member 20.
  • the ring 30 connects the center position of the conductive member 20.
  • the diaphragm of this embodiment is different from the second embodiment in that a support bracket 28 is installed at the bottom of the body 11 near the outer edge, and the outer pad 26 of the conductive component 20 extends to the side of the support bracket 28 Part, so that the support bracket 28 supports the outer pad 26.
  • the conductive member 20 is inserted and placed on the main body 11, that is, the conductive member 20 is combined with the main body 11 in a similar weaving manner, which can also achieve its purpose.
  • the vibration film of this embodiment is different from the first embodiment in that the body 11 is not provided.
  • the vibration film includes a film body 12 made of a conductive material.
  • the conductive material includes a conductive layer and is connected to the conductive layer.
  • the insulating layer on the surface of the film body 12 is provided with a non-conductive isolation member 23 which separates the film body into at least two parts.
  • the film body 12 forms a conductive member 20, wherein any two parts are provided with inner pads And the outer pads are respectively used to electrically connect the voice coil 30 with an external circuit.
  • the entire vibrating membrane is only composed of conductive parts 20, and the conductive parts 20 are externally insulated to ensure safety, and the non-conductive isolation part 23 separates the inside, so that each part is not connected, and two parts can be selected to form the positive and negative electrodes. So as to realize the circuit connection.
  • the vibrating membrane of this embodiment can be made into any shape, such as a flat membrane shape or a basin shape.
  • this embodiment provides a speaker 100.
  • the speaker 100 includes a magnet 40 and a voice coil 30 matched with the magnet 40.
  • the speaker 100 also includes the diaphragm 10 of the first or second embodiment.
  • the ring 30 and the external circuit are electrically connected, and the circuit is turned on after the connection, and the speaker can work normally.
  • This embodiment shows the structure of an external magnetic cone-shaped speaker.
  • the speaker 100 may be any type of speaker, and this embodiment only shows an implementation manner.

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  • 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 diaphragme vibrant (10) et un haut-parleur (100), le diaphragme vibrant (10) comprenant un composant conducteur (20). La membrane vibrante (10) est utilisée pour connecter électriquement une bobine acoustique (30) et un circuit externe, et la membrane vibrante (10) est installée à l'intérieur du haut-parleur (100).
PCT/CN2020/108418 2019-08-21 2020-08-11 Membrane vibrante et unité haut-parleur WO2021031928A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201921364971.9U CN210986413U (zh) 2019-08-21 2019-08-21 振动膜及扬声器
CN201921364971.9 2019-08-21

Publications (1)

Publication Number Publication Date
WO2021031928A1 true WO2021031928A1 (fr) 2021-02-25

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PCT/CN2020/108418 WO2021031928A1 (fr) 2019-08-21 2020-08-11 Membrane vibrante et unité haut-parleur

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210986413U (zh) * 2019-08-21 2020-07-10 罗冬梅 振动膜及扬声器

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103024638A (zh) * 2012-11-25 2013-04-03 歌尔声学股份有限公司 电声换能器
KR20150120022A (ko) * 2014-04-16 2015-10-27 (주)프라임음향 진동판 제조방법 및 그 진동판
CN105611463A (zh) * 2016-03-21 2016-05-25 歌尔声学股份有限公司 一种振膜和振膜的制造方法
CN205510396U (zh) * 2016-03-21 2016-08-24 歌尔声学股份有限公司 一种振膜和音圈组件
CN107809705A (zh) * 2017-11-22 2018-03-16 歌尔股份有限公司 一种导电型振膜、扬声器及导电型振膜的制造方法
CN210986413U (zh) * 2019-08-21 2020-07-10 罗冬梅 振动膜及扬声器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103024638A (zh) * 2012-11-25 2013-04-03 歌尔声学股份有限公司 电声换能器
KR20150120022A (ko) * 2014-04-16 2015-10-27 (주)프라임음향 진동판 제조방법 및 그 진동판
CN105611463A (zh) * 2016-03-21 2016-05-25 歌尔声学股份有限公司 一种振膜和振膜的制造方法
CN205510396U (zh) * 2016-03-21 2016-08-24 歌尔声学股份有限公司 一种振膜和音圈组件
CN107809705A (zh) * 2017-11-22 2018-03-16 歌尔股份有限公司 一种导电型振膜、扬声器及导电型振膜的制造方法
CN210986413U (zh) * 2019-08-21 2020-07-10 罗冬梅 振动膜及扬声器

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