CN110351638A - A kind of loudspeaker - Google Patents
A kind of loudspeaker Download PDFInfo
- Publication number
- CN110351638A CN110351638A CN201910560176.5A CN201910560176A CN110351638A CN 110351638 A CN110351638 A CN 110351638A CN 201910560176 A CN201910560176 A CN 201910560176A CN 110351638 A CN110351638 A CN 110351638A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- sound film
- circuit board
- fixed
- main part
- 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
Links
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention provides a kind of loudspeakers, it includes frame, it is fixed on the vibrational system and magnetic circuit system of frame, vibrational system includes the upper sound film for being fixed on frame, it is connected to sound film side and drives the voice coil of upper sound film vibration, and it is connected to circuit board of the voice coil far from upper sound film one end, voice coil has voice coil leads, circuit board includes the pad being electrically connected with voice coil leads, vibrational system further includes bracket, bracket includes the bending part that the side of the main part being bonded with voice coil and main body far from upper sound film extends towards the bending of circuit board direction, folded set of bending part is fixed on circuit board, main part corresponds to voice coil leads and offers avoid holes, voice coil leads are stretched out through avoid holes and are electrically connected with pad.In the present invention, bracket is set, and bracket avoids voice coil leads, therefore voice coil is waved and is controlled on voice coil, and bracket evacuation will not impact the assembly of voice coil, will not damage to voice coil leads.
Description
[technical field]
The invention belongs to electroacoustic techniques field more particularly to a kind of loudspeakers.
[background technique]
With the fast development of science and technology, audio frequency apparatus is also constantly fast-developing, Functional Requirement of the people to audio frequency apparatus
Higher and higher, for loudspeaker, more and more people propose higher requirement to its audio performance.In the related technology, voice coil exists
Be easy to happen in loudspeaker operational process it is unnecessary wave, and the fixation of voice coil leads will also be affected.
[summary of the invention]
The purpose of the present invention is to provide a kind of loudspeakers, it is intended to solve the problems, such as that voice coil waves in the related technology.
Technical scheme is as follows: a kind of loudspeaker comprising frame, be fixed on the frame vibrational system and
Magnetic circuit system, the vibrational system include the upper sound film for being fixed on the frame, are connected to the upper sound film side and drive institute
It states the voice coil of sound film vibration and is connected to circuit board of the voice coil far from described upper sound film one end, the voice coil has
Voice coil leads, the circuit board include the pad being electrically connected with the voice coil leads, and the vibrational system further includes bracket, described
Bracket includes the main part being bonded with the voice coil and side from the main part far from the upper sound film towards the circuit
The bending part that the bending of plate direction extends, folded set of the bending part are fixed on the circuit board, and the main part corresponds to the voice coil
Lead offers avoid holes, and the voice coil leads are stretched out through the avoid holes and are electrically connected with the pad.
Further, the voice coil is racetrack, and the voice coil leads are stretched out through the short axle side of the voice coil, the evacuation
Hole is corresponding with the short axle side of the voice coil.
Further, the voice coil leads are stretched out from the middle part of voice coil short axle side.
Further, the voice coil includes and the upper surface of the upper sound film face, the following table opposite with the upper surface
The side of face and the connection upper surface and the lower surface, the side include the close frame lateral surface and
The medial surface opposite with the lateral surface, the main part are attached at the lateral surface, and the bending part is from the main part court
Direction far from the lateral surface, which is bent, to be extended.
Further, the voice coil leads include two, and the avoid holes and the voice coil leads correspond, and two institutes
It states avoid holes and is spaced apart from each other setting.
Further, the bending part corresponds to the pad and offers through-hole, and the pad is at least partly through the through-hole
It is exposed to the bending part, the voice coil leads are electrically connected through the through-hole with the pad close to one end of the pad.
Further, the through-hole extends to the bending part close to the side of the main part, and the avoid holes extend
To the main part close to the side of the bending part, the avoid holes are connected to the through-hole.
Further, the bracket further includes the support portion being folded between the upper surface and the upper sound film；It is described
Support portion one end is connect with the main part, the other end is fixed with the upper sound film.
Further, in a ring, outer diameter of the support portion close to described upper sound film one end is less than described the support portion
Outer diameter of the support portion close to described main part one end.
Further, the circuit board is flexible circuit board, and the circuit board includes being fixed on the first of the frame to consolidate
Fixed arm, second fixed arm fixed with the bending part and be connected to first fixed arm and second fixed arm it
Between elasticity arm, the pad is formed in second fixed arm.
The beneficial effects of the present invention are: bracket is set on voice coil of the invention, and bracket avoids voice coil leads,
Therefore voice coil, which waves, is controlled, and bracket evacuation will not impact the assembly of voice coil, will not cause to voice coil leads
Damage.
[Detailed description of the invention]
Fig. 1 is the overall structure diagram of loudspeaker provided in an embodiment of the present invention；
Fig. 2 is the decomposition texture schematic diagram of loudspeaker provided in an embodiment of the present invention；
Fig. 3 is the face the A-A cut-away illustration of Fig. 1；
Fig. 4 is the partial structure diagram of loudspeaker provided in an embodiment of the present invention；
Fig. 5 is the overall structure diagram of bracket provided in an embodiment of the present invention；
Fig. 6 is the enlarged structure schematic diagram of part B in Fig. 3；
Fig. 7 is the overall structure diagram of circuit board provided in an embodiment of the present invention.
[specific embodiment]
The invention will be further described with embodiment with reference to the accompanying drawing.
It as shown in Figure 1 to Figure 3, is a kind of loudspeaker provided in an embodiment of the present invention, which includes frame 10, fixes
In vibrational system 20 and magnetic circuit system 30 in frame 10, vibrational system 20 includes the upper sound film 21 for being fixed on frame 10, connection
21 side of Yu Shangyin film simultaneously drives the voice coil 22 of the upper vibration of sound film 21 and is connected to electricity of the voice coil 22 far from upper 21 one end of sound film
Road plate 25, voice coil 22 have voice coil leads 221, and circuit board 25 includes the pad 254 being electrically connected with voice coil leads 221.Vibration system
System 20 further includes two lower sound films 23 corresponding with upper sound film 21 and the top dome that is arranged between upper sound film 21 and voice coil 22
26。
Further, as shown in 3 and Fig. 4, vibrational system 20 further includes bracket 24, and bracket 24 includes being bonded with voice coil 22
The bending part 242 that the side of main part 241 and main body 241 far from upper sound film 21 extends towards the bending of 25 direction of circuit board,
Folded set of bending part 242 is fixed on circuit board 25, and the corresponding voice coil leads 221 of main part 241 offer avoid holes 2411, voice coil leads
221 stretch out through avoid holes 2411 and are electrically connected with pad 254, realize that voice coil 22 is powered.Avoid holes 2411 on main part 241 are right
Voice coil leads 221 are avoided, and voice coil leads 221 limit in avoid holes 2411, and will not be connect with the side wall of main part 241
Touching, not only waving for voice coil 22 is controlled, but also the assembly of voice coil 22 is unaffected, will not be to voice coil leads 221
It damages.Specifically, voice coil 22 is racetrack, voice coil leads 221 are stretched out through the short axle side 222 of voice coil 22, avoid holes 2411
It is corresponding with the short axle side 222 of voice coil 22.Preferably, voice coil leads 221 are stretched out from the middle part of the short axle side 222 of voice coil 22, voice coil
Lead 221 includes two, and avoid holes 2411 and voice coil leads 221 correspond, and two avoid holes 2411 are spaced apart from each other setting, and two
Voice coil leads 221 separate, and prevent voice coil leads 221 short-circuit, influence speaker operation.
In above-described embodiment, as shown in Figure 4 and Figure 6, voice coil 22 include with the upper surface 223 of upper 21 face of sound film, with it is upper
The opposite lower surface 224 in surface 223 and the side 225 for connecting upper surface 223 and lower surface 224, side 225 include close
The lateral surface 2251 of frame 10 and the medial surface 2252 opposite with lateral surface 2251, main part 241 are attached at lateral surface 2251,
242 main body 241 of bending part is bent towards the direction far from lateral surface 2251 to be extended.Voice coil 22 is limited by main part 241
Wave direction, be able to solve the problem of vibrational system 20 is waved.Bracket 24 further includes being folded in upper surface 223 and upper sound film 21
Between support portion 243,243 one end of support portion connect with main part 241, the other end and upper sound film 21 are fixed.Preferably, it supports
In a ring, outer diameter of the support portion 243 close to upper 21 one end of sound film is less than support portion 243 close to the outer of 241 one end of main part in portion 243
Diameter.The setting of support portion 243 also increases the space of loudspeaker ante-chamber and back cavity, since ante-chamber is sound reflection area, therefore can rise
To the effect for expanding sound, the expansion of rear cavity space can also further enhance the intensity of sound.
In addition, as shown in Figure 4 and Figure 5, the corresponding pad 254 of bending part 242 offers through-hole 2421, at least portion of pad 254
Lease making through-hole 2421 is exposed to bending part 242, one end via through holes 2421 and pad 254 electricity of the voice coil leads 221 close to pad 254
Connection realizes that voice coil 22 is powered.Preferably, through-hole 2421 extends to bending part 242 close to the side of main part 241, avoid holes
2411 extend to main part 241 close to the side of bending part 242, and avoid holes 2411 are connected to through-hole 2421.As shown in fig. 7, electric
Road plate 25 is flexible circuit board, and circuit board 25 includes that the first fixed arm 251 for being fixed on frame 10 and bending part 242 are fixed
Second fixed arm 252 and the elasticity arm 253 being connected between the first fixed arm 251 and the second fixed arm 252,254 shape of pad
At in the second fixed arm 252.Elasticity arm 253 can cooperate the first fixed arm 251 and the second fixed arm 252, share circuit board 25
The load of receiving, to enhance the bearing capacity of circuit board 25.
In above-described embodiment, as shown in Fig. 2, frame 10 includes steel loop 11 and the rest portion 12 for being fixed on 11 both ends of steel loop,
One end of lower sound film 23 is fixedly connected on rest portion 12.Loudspeaker further includes two protecting covers 50 for protecting lower sound film 23, and two
A protecting cover 50 covers lower sound film 23 and fixes with rest portion 12, generally breathable barrier, for balancing acoustic pressure.In addition, magnetic circuit
System 30 then includes being embedded the upper clamp plate 31 for being fixed on frame 10, lower clamp plate 32 corresponding with upper clamp plate 31 and being fixed on
Magnet steel 33 between clamping plate 31 and lower clamp plate 32, upper clamp plate 31 are embedded at rest portion 12.Further, magnet steel 33 includes main magnetic
331, positioned at the two sides of main magnetic 331 secondary magnetic 332, be sticked in the pole piece 334 on magnet steel 33 and be arranged on secondary magnetic 332 and position
Side magnetic 333 in the two sides of pole piece 334, secondary magnetic 332 is arranged at intervals on main 331 two sides of magnetic, and forms magnetic gap with main magnetic 331,
Voice coil 22 is fixed in magnetic gap.The pole piece 334 for being attached to main 331 surface of magnetic can play the role of magnetic conduction, converge magnetic field,
Improve the magnetic induction performance of product.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (10)
1. a kind of loudspeaker, comprising: frame, the vibrational system and magnetic circuit system for being fixed on the frame, the vibrational system packet
Include be fixed on the upper sound film of the frame, the voice coil that is connected to the upper sound film side and drives the upper sound film vibration and
It is connected to circuit board of the voice coil far from described upper sound film one end, the voice coil has voice coil leads, and the circuit board includes
The pad being electrically connected with the voice coil leads, which is characterized in that the vibrational system further includes bracket, and the bracket includes and institute
It states the main part of voice coil fitting and the side from the main part far from the upper sound film is prolonged towards circuit board direction bending
The bending part stretched, folded set of the bending part are fixed on the circuit board, and the main part, which corresponds to the voice coil leads and offers, to be kept away
Allow hole, the voice coil leads are stretched out through the avoid holes and are electrically connected with the pad.
2. loudspeaker according to claim 1, which is characterized in that the voice coil is racetrack, and the voice coil leads are through institute
The short axle side for stating voice coil is stretched out, and the avoid holes are corresponding with the short axle side of the voice coil.
3. loudspeaker according to claim 2, which is characterized in that middle part of the voice coil leads from voice coil short axle side
It stretches out.
4. loudspeaker according to claim 2, which is characterized in that the voice coil includes the upper table with the upper sound film face
The side in face, the lower surface opposite with the upper surface and the connection upper surface and the lower surface, the side includes
Close to the lateral surface and the medial surface opposite with the lateral surface of the frame, the main part is attached at the lateral surface,
The bending part, which is bent from the main part towards the direction far from the lateral surface, to be extended.
5. loudspeaker according to claim 3, which is characterized in that the voice coil leads include two, the avoid holes with
The voice coil leads correspond, and two avoid holes are spaced apart from each other setting.
6. loudspeaker according to claim 1-5, which is characterized in that the bending part corresponds to the pad and opens up
There is through-hole, the pad is at least partly exposed to the bending part through the through-hole, and the voice coil leads are close to the pad
One end is electrically connected through the through-hole with the pad.
7. loudspeaker according to claim 6, which is characterized in that the through-hole extends to the bending part close to the master
The side in body portion, the avoid holes extend to the main part close to the side of the bending part, and the avoid holes are led to described
Hole connection.
8. loudspeaker according to claim 4, which is characterized in that the bracket further includes being folded in the upper surface and institute
State the support portion between sound film；Described support portion one end is connect with the main part, the other end is fixed with the upper sound film.
9. loudspeaker according to claim 8, which is characterized in that in a ring, the support portion is close to institute for the support portion
The outer diameter for stating sound film one end is less than the support portion close to the outer diameter of described main part one end.
10. loudspeaker according to claim 6, which is characterized in that the circuit board is flexible circuit board, the circuit board
Including being fixed on the first fixed arm of the frame, second fixed arm fixed with the bending part and being connected to described the
Elasticity arm between one fixed arm and second fixed arm, the pad are formed in second fixed arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910560176.5A CN110351638A (en) | 2019-06-26 | 2019-06-26 | A kind of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910560176.5A CN110351638A (en) | 2019-06-26 | 2019-06-26 | A kind of loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110351638A true CN110351638A (en) | 2019-10-18 |
Family
ID=68183129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910560176.5A Pending CN110351638A (en) | 2019-06-26 | 2019-06-26 | A kind of loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110351638A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112565989A (en) * | 2021-02-22 | 2021-03-26 | 江西联创宏声电子股份有限公司 | Two-reverse voice coil efficient combined structure |
| CN112770242A (en) * | 2020-12-25 | 2021-05-07 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker |
| WO2021134280A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Skeleton and loudspeaker |
| WO2021134421A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Voice coil and loudspeaker |
| WO2022007165A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
| WO2022126786A1 (en) * | 2020-12-18 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201667712U (en) * | 2010-04-22 | 2010-12-08 | 歌尔声学股份有限公司 | Moving-coil type electroacoustic transducer |
| KR101395011B1 (en) * | 2012-11-16 | 2014-05-14 | 주식회사 이엠텍 | Sound transducer having improved solder structure and solder method of the same |
| CN207321534U (en) * | 2017-07-07 | 2018-05-04 | 东莞天籁之音电声制品有限公司 | A kind of loudspeaker |
| US20180270555A1 (en) * | 2015-09-15 | 2018-09-20 | Goertek Inc. | Receiver |
| CN109889964A (en) * | 2018-12-30 | 2019-06-14 | 瑞声科技(新加坡)有限公司 | Microphone device |
-
2019
- 2019-06-26 CN CN201910560176.5A patent/CN110351638A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201667712U (en) * | 2010-04-22 | 2010-12-08 | 歌尔声学股份有限公司 | Moving-coil type electroacoustic transducer |
| KR101395011B1 (en) * | 2012-11-16 | 2014-05-14 | 주식회사 이엠텍 | Sound transducer having improved solder structure and solder method of the same |
| US20180270555A1 (en) * | 2015-09-15 | 2018-09-20 | Goertek Inc. | Receiver |
| CN207321534U (en) * | 2017-07-07 | 2018-05-04 | 东莞天籁之音电声制品有限公司 | A kind of loudspeaker |
| CN109889964A (en) * | 2018-12-30 | 2019-06-14 | 瑞声科技(新加坡)有限公司 | Microphone device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134280A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Skeleton and loudspeaker |
| WO2021134421A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Voice coil and loudspeaker |
| WO2022007165A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
| WO2022126786A1 (en) * | 2020-12-18 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN112770242A (en) * | 2020-12-25 | 2021-05-07 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker |
| CN112565989A (en) * | 2021-02-22 | 2021-03-26 | 江西联创宏声电子股份有限公司 | Two-reverse voice coil efficient combined structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110351638A (en) | A kind of loudspeaker | |
| CN210093516U (en) | Sound production device | |
| CN110351639A (en) | A kind of loudspeaker | |
| WO2017063262A1 (en) | Loudspeaker | |
| CN206963073U (en) | A kind of loudspeaker | |
| CN103414985B (en) | The suspended structure of Microspeaker | |
| CN107249163B (en) | Sounding device | |
| CN209201321U (en) | Microphone device | |
| CN105100996A (en) | Two-in-one loudspeaker unit and headset | |
| CN204669603U (en) | A kind of two diaphragm loudspeaker | |
| CN205987359U (en) | Mini loudspeaker | |
| CN209861151U (en) | Loudspeaker | |
| CN204598258U (en) | Multiple sound unit earphone | |
| CN201967111U (en) | Energy converter | |
| CN204090070U (en) | The horn structure that initiatively loud speaker is integrated with passive radiator and audio amplifier | |
| CN104506988A (en) | Novel bone-conduction telephone receiver | |
| CN107580281A (en) | A kind of bone-conduction speaker | |
| CN102026072A (en) | Moving iron type low frequency acoustic generator | |
| CN209390339U (en) | A kind of loudspeaker | |
| WO2024108735A1 (en) | Multifunctional sound generation device | |
| CN204442681U (en) | There is the receiver of good power armature | |
| CN106101964A (en) | A kind of Microspeaker | |
| CN102761811A (en) | Sandwich type two-way radiant speaker and magnetic braking device thereof | |
| WO2020140176A1 (en) | Speaker | |
| CN204442618U (en) | Novel bone conduction receiver |
Legal Events
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191018 |