CN111464924A - Sound generator - Google Patents
Sound generator Download PDFInfo
- Publication number
- CN111464924A CN111464924A CN201911357633.7A CN201911357633A CN111464924A CN 111464924 A CN111464924 A CN 111464924A CN 201911357633 A CN201911357633 A CN 201911357633A CN 111464924 A CN111464924 A CN 111464924A
- Authority
- CN
- China
- Prior art keywords
- basin frame
- front cover
- sound
- sounder
- membrane
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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Classifications
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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
- H04R9/06—Loudspeakers
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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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
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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
- H04R9/02—Details
- H04R9/025—Magnetic circuit
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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
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention provides a sounder which comprises a vibration system and a fixing system, wherein the vibration system comprises a sound film and a voice coil which is arranged in a matched manner and drives the sound film to vibrate and sound, the sound film is fixed with the fixing system, the fixing system comprises a basin frame for supporting the sound film, a magnetic circuit system which is arranged in the basin frame and drives the vibration system to vibrate, and a front cover which is covered on the basin frame, the sound film is clamped between the front cover and the basin frame, the front cover is provided with a groove on the gluing surface of the sound film and the basin frame, the sound film is provided with a bulge corresponding to the groove of the front cover, and the basin frame is correspondingly provided with a boss at the bulge of the sound film. Compared with the prior art, the sounder disclosed by the invention has the advantage that the deep waterproof capability of the sounder is improved through the design of the groove at the joint part of the sound film, the front cover and the basin frame.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of sound-electricity conversion, in particular to a sounder.
[ background of the invention ]
With the development of the electronic industry and the improvement of the life style of people, the application of the miniature acoustic generator on the electronic product is more and more, and meanwhile, with the requirement of the electronic product on the waterproof property, the requirement of the miniature acoustic generator on the waterproof property is further improved correspondingly.
As shown in fig. 1, in the prior art, a sound membrane 51 is glued with a front cover 70, then a finished product is assembled, the front cover is covered on a basin frame 10, the sound membrane 51 is clamped between the front cover 70 and the basin frame 10, and a conventional waterproof design is realized by gluing and bonding, but the design completely depends on the glued surface of the front cover and the basin frame, and under the condition of deep waterproofing, the risk of waterproof failure exists.
[ summary of the invention ]
Aiming at the problem of insufficient waterproof capability of the sounder in the prior art, the invention provides the sounder with better waterproof capability.
The utility model provides a sounder, includes vibration system and fixed system, vibration system includes that sound membrane and cooperation set up and drive the voice coil loudspeaker voice coil of sound membrane vibration sound production, the sound membrane with fixed system is fixed, fixed system is including supporting the basin frame of sound membrane, set up in the basin frame is interior and drive the magnetic circuit of vibration system vibration and lid are located protecgulum on the basin frame, the sound membrane clamp is located the protecgulum with between the basin frame, the protecgulum is in the sound membrane with basin frame veneer surface is equipped with the recess, the sound membrane corresponds the groove position of protecgulum is provided with the arch, the basin frame is in the corresponding boss that is equipped with in protruding position of sound membrane, the voice coil loudspeaker voice coil subsides are located the sound membrane is kept away from the one side of protecgulum.
Preferably, the sound membrane includes a membrane top attached to the front cover, a corrugated portion extending from an outer periphery of the membrane top, and a coupling portion extending from an outer periphery of the corrugated portion, and the protrusion is disposed on the coupling portion.
Preferably, the front cover is correspondingly provided with a groove at the bulge of the combining part, and the basin stand is correspondingly provided with a boss at the bulge of the combining part; the protruding gluing clamp of the combining part is arranged between the groove and the boss.
Preferably, the front cover and the basin frame are fixedly connected to form an accommodating space, and the magnetic circuit system and the vibration system are accommodated in the accommodating space.
Preferably, the front cover and the basin frame are fixedly connected through four-corner connecting pieces to form the accommodating space.
Preferably, the front cover is in a hollow annular shape, and a sound outlet is formed in the hollow position of the front cover.
Preferably, the vibration system further comprises a dome, the dome is attached to one surface of the voice diaphragm close to the voice coil, and the middle of the dome is provided with a hole and is symmetrically distributed.
Compared with the prior art, the sounder disclosed by the invention has the advantage that the deep waterproof capability of the sounder is improved through the design of the groove at the joint part of the sound film, the front cover and the basin frame.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic view of a prior art sounder;
FIG. 2 is a schematic perspective view of a sounder according to the present invention;
FIG. 3 is an exploded view of the sounder of FIG. 2;
FIG. 4 is a schematic sectional view taken along line A-A of FIG. 2;
fig. 5 is a partially enlarged view of a portion Y shown in fig. 4.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 2 to 5. The invention provides a sounder 100 which comprises a vibration system and a fixing system, wherein the vibration system comprises a sound film 51 and a voice coil 53 which is arranged in a matched manner and drives the sound film 51 to vibrate and sound, the sound film 51 is fixed with the fixing system, the fixing system comprises a basin frame 10 for supporting the sound film 51, a magnetic circuit system 30 arranged in the basin frame 10 and a front cover 70 which is covered on the basin frame 10, the sound film 51 is clamped between the front cover 70 and the basin frame 10, the front cover 70 is provided with a groove 701 on the gluing surface of the sound film 51 and the basin frame 10, the sound film 51 is provided with a bulge 511 corresponding to the groove 701 of the front cover 70, and the basin frame 10 is correspondingly provided with a bulge 101 at the bulge 511 of the sound film 51. The front cover 70 and the basin stand 10 are fixedly connected by a four-corner connector 110 to form an accommodating space, and the magnetic circuit system 30 and the vibration system are accommodated in the accommodating space.
The magnetic circuit system 30 includes a magnetic yoke 31, a main magnetic steel 32 and an auxiliary magnetic steel 33 assembled on the magnetic yoke 31, a main pole core 34 stacked on the main magnetic steel 32, and an auxiliary pole core 35 stacked on the auxiliary magnetic steel 33, wherein the auxiliary magnetic steel 33 and the main magnetic steel 32 are arranged at intervals to form a magnetic gap 36.
The magnetic yoke 31 is flat, the magnetic yoke 31 and the basin stand 10 are fixed through four-corner connectors 110, the main magnetic steel 32 and two auxiliary magnetic steels 33 are attached to the magnetic yoke 31, the main pole core 34 is stacked on the main magnetic steel 32, the two auxiliary pole cores 35 are stacked on the two auxiliary magnetic steels 33 respectively, the two auxiliary magnetic steels 33 are symmetrically arranged on two sides of the main magnetic steel 32, the main magnetic steel 32 and the two auxiliary magnetic steels 33 are positioned on the same plane, and the main pole core 34 and the two auxiliary pole cores 35 are positioned on the same plane; magnetic gaps 36 are formed between the main magnetic steel 32 and the two auxiliary magnetic steels 33 respectively.
The vibration system comprises a sound film 51 for vibrating and sounding, a voice coil 53 for driving the sound film 51 to vibrate and sound, and a dome 52 arranged between the voice coil 53 and the sound film 51, wherein the middle part of the dome 52 is provided with a plurality of openings 521 which are symmetrically distributed, and the dome 52 is adhered to and glued with the sound film 51; the voice coil 53 is attached to a surface of the voice film 51 away from the front cover 70, and at least a portion of the voice coil 53 is inserted into the magnetic gap 36.
Referring to fig. 3 to 5, the sound membrane 51 has a rectangular structure, and the sound membrane 51 includes a membrane top 513, a corrugated portion 515 extending from an outer periphery of the membrane top 513, and a combining portion 517 extending from an outer periphery of the corrugated portion 515; the combining portion 517 is provided with a plurality of protrusions 511, the membrane top 513 is attached to the dome top 52 and is in gluing connection, and the combining portion 517 is sandwiched between the front cover 70 and the basin stand 10. The front cover 70 is in a hollow annular shape, and a sound outlet is formed in the hollow position 710; the front cover 70 is designed to be provided with a groove on the bonding surface of the sound film 51 and the basin stand 10, the front cover 70 is correspondingly provided with a groove 701 at the position of the protrusion 511 of the combining part 517, and the basin stand 10 is correspondingly provided with a boss 101 at the position of the protrusion 511 of the combining part 517; the bonding portion 517 and the protrusion 511 are sandwiched between the groove 701 and the boss 101 by gluing. When the sound film 51 is glued with the front cover 70, the sound film protrusion 511 is pressed into the groove 701 of the front cover 70 through a tool, so that the gluing width is increased; then, the glue of the sound film and the front cover is assembled on the basin stand 10 with the boss 101, so that the sound film 51 is pressed on the groove 701 and the boss 101 of the front cover 70 and the basin stand 10, and the structure can realize deep water proofing.
Compared with the prior art, the sounder disclosed by the invention has the advantage that the deep waterproof capability of the sounder is improved through the design of the groove at the joint part of the sound film, the front cover and the basin frame.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A sounder which comprises a vibration system and a fixing system, and is characterized in that: the utility model discloses a loudspeaker voice coil, including the fixed system, the fixed system is including supporting the basin frame of sound membrane, set up in the basin frame and drive the magnetic circuit of vibration system vibration and lid are located protecgulum on the basin frame, the sound membrane presss from both sides and locates the protecgulum with between the basin frame, the protecgulum is in the sound membrane with basin frame veneer face is equipped with the recess, the sound membrane corresponds the groove position of protecgulum is provided with the arch, the basin frame is in the corresponding boss that is equipped with in protruding position of sound membrane, the sound coil loudspeaker voice coil pastes and locates the sound membrane is kept away from the one side of protecgulum.
2. The sounder according to claim 1, wherein the sound membrane includes a membrane top attached to the front cover, a corrugated portion extending from an outer periphery of the membrane top, and a coupling portion extending from an outer periphery of the corrugated portion, and the protrusion is provided on the coupling portion.
3. A sounder according to claim 1 or 2, wherein said front cover is provided with a recess in correspondence with said protrusion of said engaging portion, and said tub support is provided with a boss in correspondence with said protrusion of said engaging portion; the protruding gluing clamp of the combining part is arranged between the groove and the boss.
4. The sounder according to claim 1, wherein the front cover is fixedly connected with the basin frame to form an accommodating space, and the magnetic circuit system and the vibration system are accommodated in the accommodating space.
5. The sounder according to claim 2, wherein the front cover and the basin frame are fixedly connected by four corner connectors to form the accommodating space.
6. The sounder according to claim 2, wherein the front cover is in the shape of a hollow ring, and the front cover is provided with a sound outlet at the hollow position.
7. The sounder according to claim 1, wherein the vibration system further comprises domes, the domes are attached to one surface of the voice diaphragm close to the voice coil, and the domes are provided with holes in the middle and symmetrically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911357633.7A CN111464924A (en) | 2019-12-25 | 2019-12-25 | Sound generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911357633.7A CN111464924A (en) | 2019-12-25 | 2019-12-25 | Sound generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111464924A true CN111464924A (en) | 2020-07-28 |
Family
ID=71679175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911357633.7A Pending CN111464924A (en) | 2019-12-25 | 2019-12-25 | Sound generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111464924A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112616116A (en) * | 2020-12-31 | 2021-04-06 | 苏州东立电子有限公司 | Super-linear horn process |
| WO2022061988A1 (en) * | 2020-09-23 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Loudspeaker and electronic device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD274318A1 (en) * | 1988-07-21 | 1989-12-13 | Hermsdorf Keramik Veb | KOPFHOERERWANDLEREINHEIT |
| CN205622868U (en) * | 2016-04-06 | 2016-10-05 | 歌尔股份有限公司 | Speaker monomer structure |
| CN106899917A (en) * | 2015-12-17 | 2017-06-27 | 戴尔菲技术公司 | Acoustic generator device |
| CN106954149A (en) * | 2017-03-21 | 2017-07-14 | 歌尔股份有限公司 | Minitype acoustic generator |
| CN208549021U (en) * | 2018-08-01 | 2019-02-26 | 瑞声光电科技(常州)有限公司 | Microphone device |
| CN208638645U (en) * | 2018-08-04 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Vibrating diaphragm and loudspeaker |
| CN209201333U (en) * | 2018-12-12 | 2019-08-02 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
-
2019
- 2019-12-25 CN CN201911357633.7A patent/CN111464924A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD274318A1 (en) * | 1988-07-21 | 1989-12-13 | Hermsdorf Keramik Veb | KOPFHOERERWANDLEREINHEIT |
| CN106899917A (en) * | 2015-12-17 | 2017-06-27 | 戴尔菲技术公司 | Acoustic generator device |
| CN205622868U (en) * | 2016-04-06 | 2016-10-05 | 歌尔股份有限公司 | Speaker monomer structure |
| CN106954149A (en) * | 2017-03-21 | 2017-07-14 | 歌尔股份有限公司 | Minitype acoustic generator |
| CN208549021U (en) * | 2018-08-01 | 2019-02-26 | 瑞声光电科技(常州)有限公司 | Microphone device |
| CN208638645U (en) * | 2018-08-04 | 2019-03-22 | 瑞声科技(新加坡)有限公司 | Vibrating diaphragm and loudspeaker |
| CN209201333U (en) * | 2018-12-12 | 2019-08-02 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022061988A1 (en) * | 2020-09-23 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Loudspeaker and electronic device |
| CN112616116A (en) * | 2020-12-31 | 2021-04-06 | 苏州东立电子有限公司 | Super-linear horn process |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200728 |
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| RJ01 | Rejection of invention patent application after publication |