CN207070342U - A kind of loudspeaker - Google Patents
A kind of loudspeaker Download PDFInfo
- Publication number
- CN207070342U CN207070342U CN201720872462.1U CN201720872462U CN207070342U CN 207070342 U CN207070342 U CN 207070342U CN 201720872462 U CN201720872462 U CN 201720872462U CN 207070342 U CN207070342 U CN 207070342U
- Authority
- CN
- China
- Prior art keywords
- depressed part
- loudspeaker
- magnet
- base portion
- centring magnet
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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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
The utility model discloses a kind of loudspeaker, the loudspeaker includes vibrational system and magnetic circuit system, the magnetic circuit system includes conductive magnetic yoke and centring magnet, and the conductive magnetic yoke comprises at least horizontally disposed base portion, and the centring magnet is incorporated into the upper surface of the base portion；The base portion includes the first depressed part formed that caved inward by base upper surface of combination corresponding with centring magnet.By setting the first depressed part in the upper surface of conductive magnetic yoke base portion, add centring magnet and conductive magnetic yoke bonding deposits glue amount, and then can increase centring magnet and conductive magnetic yoke adhesive strength and the uniformity, lift the resistance to stability for falling reliability test.
Description
Technical field
Electro-acoustic product technical field is the utility model is related to, more particularly, to a kind of loudspeaker.
Background technology
Loudspeaker is a kind of device that can convert electrical energy into acoustic energy, belongs to most basic phonation unit, loudspeaker list
Body is the important acoustical device of portable electric appts, and it is widely used in the terminal devices such as mobile phone.Loudspeaker monomer is by shaking
Dynamic system and magnetic circuit system composition, can complete the function that basic electric energy is converted to acoustic energy.
Loudspeaker includes the shell formed with receiving space and the vibrational system being contained in shell and magnetic circuit system.Raise one's voice
The shell of device, which is provided with, is used to connecting the electrical connector of external circuit in loudspeaker, electrical connector respectively with voice coil leads and external electrical
Road is electrically connected, and so as to turn on external circuit and voice coil leads, electric energy is inputted voice coil loudspeaker voice coil by external circuit via voice coil leads, so that
Voice coil vibrations are made by electromagnetic induction principle in loudspeaker, voice coil vibrations drive diaphragm oscillations sounding, so that electric energy is converted into
Acoustic energy, realize the vocal function of loudspeaker.Wherein the structure of magnetic circuit system provides power to loudspeaker, and the performance of loudspeaker is risen
Key effect.Usual magnetic circuit system includes magnetic conductive board, magnet and conductive magnetic yoke.The fall-down test of loudspeaker is that checking loudspeaker can
By the Key experiments of property, the adhesive strength and uniformity of magnet and conductive magnetic yoke are for directly affecting the result of resistance to fall-down test.Mesh
Magnetic circuit system as previous is magnet and conductive magnetic yoke plane adhesion by the way of, and this bonding way can cause magnet and conductive magnetic yoke
It is less that bonding deposits glue amount, strict to gluing uniformity and coherence request.
Based on above-mentioned problem, it is desirable to provide a kind of loudspeaker with solve present in above-mentioned prior art lack
Fall into.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of loudspeaker, by magnet in magnetic circuit system and leading
The improvement of structure between yoke, add magnet and conductive magnetic yoke bonding deposits glue amount, and then can increase magnet and conductive magnetic yoke is glued
Intensity and the uniformity are connect, lifts the resistance to stability for falling reliability test.
In order to solve the above technical problems, the utility model provides a kind of loudspeaker, the loudspeaker include vibrational system and
Magnetic circuit system, the magnetic circuit system include conductive magnetic yoke and centring magnet, and the conductive magnetic yoke comprises at least horizontally disposed
Base portion, the centring magnet are incorporated into the upper surface of the base portion；
The base portion includes the first depressed part formed that caved inward by base upper surface of combination corresponding with centring magnet.
Further, the horizontal area of first depressed part is less than the faying face area of the base portion and centring magnet.
Further, the magnetic circuit system further comprises：
The center magnetic conductive board being incorporated on the centring magnet；
Symmetrical two or four side magnet positioned at the base edge position ring around the centring magnet；And
Symmetrical two or four is separately positioned in the while magnetic conductive board on magnet；
The magnetic gap for accommodating voice coil loudspeaker voice coil is formed between the centring magnet and side magnet.
Further, the base portion further comprises that being caved inward by base upper surface for combination corresponding with side magnet is formed
The second depressed part.
Further, the loudspeaker also includes the housing with annular sidewall, described side magnetic conductive board one end and annular side
Wall is adhesively fixed or integrated injection molding, and the other end extends to away from annular sidewall inner surface direction.
Further, the housing includes the installation portion with the hollow out of magnetic circuit system assembling, the lower surface of the conductive magnetic yoke
It is exposed to outside housing.
Further, it is filled with bonded adhesives in first depressed part and the second depressed part.
Further, first depressed part is shaped as circular, rectangle or round rectangle；The shape of second depressed part
Shape is circular, rectangle or round rectangle.
Further, first depressed part and second depressed part be the not vertically communicated base upper surface and
The groove structure of lower surface；First depressed part, second depressed part may each comprise at least one groove structure, Duo Gesuo
The distribution of groove structure uniform intervals is stated, or, the spacing between multiple groove structures；First depressed part and institute
The transverse width for stating the second depressed part is gradually reduced from openend to bottom, or, first depressed part and described second
The openend of depressed part is equal with the transverse width of bottom.
Further, the deep equality of first depressed part and second depressed part or.
The beneficial effects of the utility model are as follows：
The utility model is by above technical scheme, by setting the first depressed part (bag in the upper surface of conductive magnetic yoke base portion
Include while the second depressed part be set), add centring magnet (side magnet) it is Nian Jie with conductive magnetic yoke deposit glue amount, and then can increase
Magnet and conductive magnetic yoke adhesive strength and the uniformity, lift the resistance to stability for falling reliability test.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings；
Fig. 1 shows a kind of structural representation of loudspeaker of the present utility model；
Fig. 2 shows a kind of motor structure schematic diagram of loudspeaker of the present utility model；
Fig. 3 shows a kind of magnetic circuit system profile of loudspeaker of the present utility model；
Fig. 4 shows the partial enlarged drawing in A portions in Fig. 3.
Drawing reference numeral：1 housing, 2 voice coil loudspeaker voice coils, 3 vibrating diaphragms, 4 reinforcement parts, 5 center magnetic conductive boards, 6 centring magnets, 601 side magnet, 7
Conductive magnetic yoke, 701 first depressed parts.
Embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.Similar part is indicated with identical reference in accompanying drawing.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not limit the scope of protection of the utility model with this.
Referring to Fig. 1-Fig. 4, Fig. 1 shows a kind of structural representation of loudspeaker of the present utility model；Fig. 2 shows that this practicality is new
A kind of motor structure schematic diagram of loudspeaker of type；Fig. 3 shows that a kind of magnetic circuit system of loudspeaker of the present utility model cuts open
Face figure；Fig. 4 shows the partial enlarged drawing in A portions in Fig. 3.Based on technical problem to be solved in the utility model, solves existing skill
Magnet and conductive magnetic yoke plane adhesion can cause magnet and conductive magnetic yoke to be bonded to deposit that glue amount is less, influence the stabilization of resistance to fall-down test in art
Property, the problem of to gluing uniformity and strict coherence request.
Loudspeaker of the present utility model is equally applicable to the loudspeaker monomer of no shell mechanism, present embodiment with
It is specifically addressed exemplified by the structure of case body.The utility model provides a kind of loudspeaker, and the loudspeaker includes housing 1,
The housing 1 includes annular sidewall, and vibrational system and magnetic circuit system are fixed with the housing 1.The vibrational system includes shaking
Film 3 and the voice coil loudspeaker voice coil 2 for being incorporated into the lower section of vibrating diaphragm 3, the vibrating diaphragm 3 include vibrating diaphragm body and are incorporated into the reinforcement in vibrating diaphragm body plane portion
Portion 4.
The magnetic circuit system includes conductive magnetic yoke 7 and centring magnet 6, and the conductive magnetic yoke 7 collectively forms described with the housing 1
The shell mechanism of loudspeaker, the housing 1 include the installation portion with the hollow out of magnetic circuit system assembling, the following table of the conductive magnetic yoke 7
Face is exposed to outside housing 1.
The conductive magnetic yoke 7 comprises at least horizontally disposed base portion, and the centring magnet 6 is incorporated into the base portion
Upper surface；The base portion includes the first depressed part formed that caved inward by base upper surface of combination corresponding with centring magnet 6
701.Loudspeaker provided by the utility model is added by setting the first depressed part 701 in the upper surface of conductive magnetic yoke base portion
What is be bonded between centring magnet 6 and conductive magnetic yoke 7 deposits glue amount, relative to magnet of the prior art and the plane adhesion side of conductive magnetic yoke
Formula, the intensity and the uniformity of centring magnet 6 and the bonding of conductive magnetic yoke 7 are added, improves the resistance to stability for falling reliability test.
In order to be adapted to centring magnet 6, it is preferable that the horizontal area of first depressed part 701 is less than the base portion with
The faying face area of heart magnet 6.
Scheme is preferably carried out as one kind, the magnetic circuit system further comprises：It is incorporated on the centring magnet 6
Center magnetic conductive board 5；Symmetrical two or four side magnet 601 positioned at the base edge position ring around the centring magnet；
And symmetrical two or four is separately positioned in the while magnetic conductive board on magnet 601；The centring magnet 6 and side magnet 601 it
Between formed accommodate voice coil loudspeaker voice coil 2 magnetic gap.
As further preferably embodiment, the base portion further comprise it is corresponding with side magnet 601 combine by base
Portion upper surface caves inward the second depressed part to be formed.The effect of second depressed part of corresponding sides magnet 601 is equally the increase in
What is be bonded between side magnet 601 and conductive magnetic yoke 7 deposits glue amount, relative to magnet of the prior art and the plane adhesion side of conductive magnetic yoke
Formula, the intensity and the uniformity of side magnet and the bonding of conductive magnetic yoke 7 are added, improves the resistance to stability for falling reliability test.
In loudspeaker described in the utility model, the housing 1 includes annular sidewall, described side magnetic conductive board one end and annular side
Wall is adhesively fixed or integrated injection molding, and the other end extends to away from annular sidewall inner surface direction.For the side magnetic conductive board
Structure and configuration mode, the utility model only provide a kind of preferred embodiment, and the side magnetic conductive board also can be directly in conjunction with fixation
On the magnet of side, the utility model is not restricted to this.
It is further preferred that fixed for the ease of the combination between conductive magnetic yoke 7 and centring magnet 6, first depressed part
Bonded adhesives can be filled with 701, and the shape of first depressed part 701 can be circular, rectangle or round rectangle.Described first
Depressed part 701 is the not vertically communicated base upper surface and the groove structure of lower surface；The transverse direction of first depressed part 701
Width is gradually reduced from openend to bottom, or, the openend of first depressed part is equal with the transverse width of bottom.
The deep equality of first depressed part 701 or.
It is further preferred that fixed for the ease of the combination between conductive magnetic yoke 7 and side magnet 601, second depressed part
It is interior to be filled with bonded adhesives, and the shape of second depressed part can be circular, rectangle or round rectangle.Second depressed part
It is the not vertically communicated base upper surface and the groove structure of lower surface；It should be noted that the first depressed part and second
Depressed part can only include a groove structure, can also include multiple groove structures, when being arranged to multiple groove structures,
It can be uniformly distributed between multiple grooves (i.e. spaced set), naturally it is also possible to be arranged to not arrange equidistantly, specifically set
It is unrestricted to put mode.The transverse width of second depressed part is gradually reduced from openend to bottom, or, described second
The openend of depressed part is equal with the transverse width of bottom.The deep equality of second depressed part or.This practicality is new
Type is not restricted to this.
What the word " on ", " under " in description orientation, "left", "right" etc. were for explanation used by herein facilitates base
For orientation in accompanying drawing shown in drawing, in actual device these orientation may due to device disposing way and
It is different.
It should be appreciated that above-described embodiment of the present utility model is only intended to clearly illustrate the act that the utility model is made
Example, and it is not the restriction to embodiment of the present utility model, for those of ordinary skill in the field, above-mentioned
It can also make other changes in different forms on the basis of explanation, all embodiments can not be given thoroughly here
Lift, it is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
Protection domain row.
Claims (10)
1. a kind of loudspeaker, the loudspeaker includes vibrational system and magnetic circuit system, it is characterised in that
The magnetic circuit system includes conductive magnetic yoke and centring magnet, and the conductive magnetic yoke comprises at least horizontally disposed base portion,
The centring magnet is incorporated into the upper surface of the base portion；
The base portion includes the first depressed part formed that caved inward by base upper surface of combination corresponding with centring magnet.
A kind of 2. loudspeaker according to claim 1, it is characterised in that
The horizontal area of first depressed part is less than the faying face area of the base portion and centring magnet.
A kind of 3. loudspeaker according to claim 1, it is characterised in that
The magnetic circuit system further comprises：
The center magnetic conductive board being incorporated on the centring magnet；
Symmetrical two or four side magnet positioned at the base edge position ring around the centring magnet；And
Symmetrical two or four is separately positioned in the while magnetic conductive board on magnet；
The magnetic gap for accommodating voice coil loudspeaker voice coil is formed between the centring magnet and side magnet.
A kind of 4. loudspeaker according to claim 3, it is characterised in that
The base portion further comprises the second depressed part formed that caved inward by base upper surface of combination corresponding with side magnet.
A kind of 5. loudspeaker according to claim 3, it is characterised in that
The loudspeaker also includes the housing with annular sidewall, and described side magnetic conductive board one end and annular sidewall are adhesively fixed or one
Body injection molding, the other end extend to away from annular sidewall inner surface direction.
A kind of 6. loudspeaker according to claim 5, it is characterised in that
The housing includes the installation portion with the hollow out of magnetic circuit system assembling, and the lower surface of the conductive magnetic yoke is exposed to outside housing.
A kind of 7. loudspeaker according to claim 4, it is characterised in that
Bonded adhesives is filled with first depressed part and the second depressed part.
A kind of 8. loudspeaker according to claim 4, it is characterised in that
First depressed part is shaped as circular, rectangle or round rectangle；
Second depressed part is shaped as circular, rectangle or round rectangle.
A kind of 9. loudspeaker according to claim 8, it is characterised in that
First depressed part and second depressed part are the not vertically communicated base upper surface and the groove of lower surface
Structure；First depressed part, second depressed part may each comprise at least one groove structure, and multiple groove structures are equal
It is even to be spaced apart, or, the spacing between multiple groove structures；
The transverse width of first depressed part and second depressed part is gradually reduced from openend to bottom, or, institute
The openend for stating the first depressed part and second depressed part is equal with the transverse width of bottom.
A kind of 10. loudspeaker according to claim 8, it is characterised in that
The deep equality of first depressed part and second depressed part or.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872462.1U CN207070342U (en) | 2017-07-18 | 2017-07-18 | A kind of loudspeaker |
| PCT/CN2017/102282 WO2019015069A1 (en) | 2017-07-18 | 2017-09-19 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720872462.1U CN207070342U (en) | 2017-07-18 | 2017-07-18 | A kind of loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207070342U true CN207070342U (en) | 2018-03-02 |
Family
ID=61511105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720872462.1U Active CN207070342U (en) | 2017-07-18 | 2017-07-18 | A kind of loudspeaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207070342U (en) |
| WO (1) | WO2019015069A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112492462A (en) * | 2020-12-09 | 2021-03-12 | 共达电声股份有限公司 | Loudspeaker |
| CN112492460A (en) * | 2020-12-09 | 2021-03-12 | 共达电声股份有限公司 | Loudspeaker |
| CN112601161A (en) * | 2020-12-09 | 2021-04-02 | 共达电声股份有限公司 | Loudspeaker |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4031742A1 (en) * | 1990-10-06 | 1992-04-09 | Nokia Unterhaltungselektronik | CALOTH HIGH TONE SPEAKER |
| CN201869357U (en) * | 2010-08-13 | 2011-06-15 | 东莞正阳电子有限公司 | Ultra-thin loudspeaker system |
| CN202488675U (en) * | 2011-12-30 | 2012-10-10 | 歌尔声学股份有限公司 | Electroacoustic transducer |
| CN204578770U (en) * | 2015-05-05 | 2015-08-19 | 歌尔声学股份有限公司 | Loud speaker |
| CN205336525U (en) * | 2015-12-30 | 2016-06-22 | 歌尔声学股份有限公司 | Loudspeaker |
| CN205847587U (en) * | 2016-07-20 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Speaker |
-
2017
- 2017-07-18 CN CN201720872462.1U patent/CN207070342U/en active Active
- 2017-09-19 WO PCT/CN2017/102282 patent/WO2019015069A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112492462A (en) * | 2020-12-09 | 2021-03-12 | 共达电声股份有限公司 | Loudspeaker |
| CN112492460A (en) * | 2020-12-09 | 2021-03-12 | 共达电声股份有限公司 | Loudspeaker |
| CN112601161A (en) * | 2020-12-09 | 2021-04-02 | 共达电声股份有限公司 | Loudspeaker |
| CN112601161B (en) * | 2020-12-09 | 2021-12-14 | 共达电声股份有限公司 | Loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019015069A1 (en) | 2019-01-24 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |