CN105848065A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN105848065A CN105848065A CN201610377290.0A CN201610377290A CN105848065A CN 105848065 A CN105848065 A CN 105848065A CN 201610377290 A CN201610377290 A CN 201610377290A CN 105848065 A CN105848065 A CN 105848065A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- bass
- fixed
- iron
- loudspeaker
- 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.)
- Granted
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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
Abstract
The invention discloses a loudspeaker, and relates to the technical field of electroacoustic products. The loudspeaker comprises a vibration system and a magnetic circuit system; the vibration system comprises a high-pitch vibration assembly at the center position and a low-pitch vibration assembly in the periphery of the high-pitch vibration assembly; the magnetic circuit system comprises U iron, a main magnet is fixed in the U iron, T iron is fixed to the main magnet, and a low-pitch magnetic gap is formed between the main magnet and the sidewalls of the U iron and the T iron; an annular auxiliary magnet is fixed to the T iron, an annular washer is fixed to the auxiliary magnet, a high-pitch magnetic gap is formed between the auxiliary magnet and a central post of the T iron as well as between the washer and the central post of the T iron; a voice coil of the low-pitch vibration assembly is placed in the low-pitch magnetic gap; and a voice coil of the high-pitch vibration assembly is placed in the high-pitch magnetic gap. The loudspeaker of the invention is wide in working frequency band, capable of realizing radiation in full radiation band, high in sound quality, low in assembling difficulty and high in production efficiency.
Description
Technical field
The present invention relates to electro-acoustic product technical field, particularly to a kind of full frequency speaker.
Background technology
Loudspeaker is commonly called as loudspeaker, spreads out of for audio electrical signal is converted to sound, is a kind of energy converter
Part.Conventional woofer includes vibrational system and magnetic circuit system, and vibrational system includes combining
Vibrating diaphragm, voice coil loudspeaker voice coil and frame, magnetic circuit system includes U iron or T iron and is sequentially fixed at the magnetic on U iron or T iron
Iron and washer, some loudspeakers can be further added by a piece of secondary magnet on washer, in order to strengthen magnetic field intensity, carry
The sensitivity of high loudspeaker and high frequency radiation.But the loudspeaker of this kind of structure is relatively big due to size, thus low
Radio-frequency radiation ability is relatively strong, and high frequency radiation ability is more weak, is difficult to meet the requirement simultaneously responding low-and high-frequency signal,
Working band is narrower, the serious lifting constraining its acoustical behavior.
Summary of the invention
For disadvantages described above, the technical problem to be solved is to provide a kind of loudspeaker, this loudspeaker
Low-and high-frequency signal can be responded, after the effective bandwidth of loudspeaker can being extended into 20KHz, it is achieved complete simultaneously
Frequency band radiates.
For solving above-mentioned technical problem, the technical scheme is that
A kind of loudspeaker, including vibrational system and magnetic circuit system, described vibrational system includes being positioned at center
High pitch vibration component and be looped around the bass vibration component of described high pitch vibration component periphery；Described magnetic circuit system
System includes that U iron, the inside of described U iron are fixed with main magnet, and described main magnet is fixed with T iron, described
Bass magnetic gap is formed between the sidewall of main magnet and described T iron and described U iron；It is fixed with on described T iron
The secondary magnet of annular, described secondary magnet is fixed with the washer of annular, described secondary magnet and described washer and institute
State formation high pitch magnetic gap between the newel of T iron；The voice coil loudspeaker voice coil of described bass vibration component is positioned at described bass
In magnetic gap；The voice coil loudspeaker voice coil of described high pitch vibration component is positioned at described high pitch magnetic gap.
Wherein, described bass vibration component includes the bass frame being fixed on described U iron, described bass basin
The upper end of frame is fixed with basin with compound, and the inward flange of described basin with compound is fixed with bass voice coil loudspeaker voice coil, described bass voice coil loudspeaker voice coil
Lower end be positioned at described bass magnetic gap；Described high pitch vibration component is positioned at the inner side of described bass voice coil loudspeaker voice coil.
Wherein, the periphery of described bass voice coil loudspeaker voice coil is fixed with centring disk, and the outward flange of described centring disk is fixed
In described bass frame.
Wherein, the position of the corresponding described centring disk in the inner side of described bass frame is provided with the boss of annular, institute
The outward flange stating centring disk is fixed on described boss.
Wherein, the location land of concave downward it is provided with outside the upper end of described U iron, under described bass frame
End is fixed in the land of described location.
Wherein, described high pitch vibration component includes the high pitch frame being fixed on described washer, described high pitch basin
The upper end of frame is fixed with tweeters diaphragms, and described tweeters diaphragms is fixed with high pitch voice coil loudspeaker voice coil, described high pitch voice coil loudspeaker voice coil
Lower end is positioned at described high pitch magnetic gap.
Wherein, described tweeters diaphragms includes ring portion and the top dome portion linked together, and described high pitch voice coil loudspeaker voice coil is solid
It is scheduled on the position that described ring portion is connected with described top dome portion.
Wherein, described ring portion is identical with the protrusion direction in described top dome portion.
Wherein, described bass frame is fixed with and shakes for electrically connecting described bass vibration component and described high pitch
Dynamic assembly and the electric connection terminal of external circuit.
After have employed technique scheme, the invention has the beneficial effects as follows:
Owing to loudspeaker of the present invention is provided with a T iron for substituting original washer, simultaneously on main magnet
Pair magnet is made loop configuration, and is additionally arranged a piece of washer, at the base of original bass magnetic circuit on secondary magnet
Define again a high pitch magnetic circuit on plinth, and be additionally arranged high pitch vibration component, define high pitch radiating element；U
Iron, main magnet and T iron are original bass magnetic circuit, form bass radiating element with bass vibration component, low
Sound vibration component is looped around the periphery of high pitch vibration component.The area of the bass vibration component being positioned at outside is relatively big,
The vibrational energy of unit are is less, and its LF-response is preferable, is positioned at the area of the high pitch vibration component of inner side
Less, unit are vibrational energy is relatively big, and its high frequency response is preferable.Thus loudspeaker of the present invention can be simultaneously
There is the performance of low-and high-frequency response, widened working band, in the case of ensureing the radiation of original bass, again
It is provided with high pitch radianting capacity, it is possible to after the effective bandwidth of loudspeaker is extended into 20KHz, it is achieved that complete
Frequency band radiates, and effectively raises the acoustical behavior of loudspeaker.
Owing to the periphery of bass voice coil loudspeaker voice coil is fixed with centring disk, the outward flange of centring disk is fixed on bass frame
On.Centring disk can effectively prevent bass vibration component from polarizing, and reduces distortion, improves loudspeaker
Sound quality.
Owing to being provided with the location land of concave downward outside the upper end of U iron, the lower end of bass frame is fixed on fixed
In the land of position.Location land serves positioning action when loudspeaker assembles, and can effectively prevent bass frame
By viscous inclined bad, while ensure that speaker performance, reduce assembling difficulty, improve packaging efficiency.
In sum, to solve prior art medium and low spectrum loudspeaker working band narrow for loudspeaker of the present invention, it is impossible to
The technical problem of radiation high pitch, speaker operation bandwidth of the present invention, it is possible to realize Whole frequency band radiation, sound
Quality is high, assembles difficulty low simultaneously, and production efficiency is high.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of loudspeaker of the present invention；
Fig. 2 is the sectional structure schematic diagram of loudspeaker of the present invention；
In figure: 10, bass frame, 12, boss, 20, basin with compound, 22, centring disk, 24, bass
Voice coil loudspeaker voice coil, 240, skeleton, 242, coil, 30, high pitch frame, 40, tweeters diaphragms, 400, top dome portion,
402, ring portion, 42, high pitch voice coil loudspeaker voice coil, 420, skeleton, 422, coil, 50, washer, 52, secondary magnet,
54, T iron, 56, main magnet, 58, U iron, 580, location land, 60, electric connection terminal, 70, low
Sound magnetic gap, 72, high pitch magnetic gap.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the present invention is expanded on further.
Refer both to refer both under the direction residing for vibrational system, orientation magnetic circuit system in the orientation related in this specification
Direction residing for system.The inner side related in this specification refers both to the side near speaker center.
As Fig. 1 and Fig. 2 jointly shown in, a kind of loudspeaker, including vibrational system and magnetic circuit system.
As Fig. 1 and Fig. 2 jointly shown in, vibrational system includes high pitch vibration component and the ring being positioned at center
It is wound on the bass vibration component of high pitch vibration component periphery.Magnetic circuit system includes U iron 58, within U iron 58
Center is fixed with main magnet 56, and main magnet 56 is fixed with T iron 54, and T iron 54 has magnetic conduction effect,
Being equivalent to original washer, U iron 58, main magnet 56 and T iron 54 together form the bass of a Guan Bi
Magnetic circuit, defines bass magnetic gap 70 between the sidewall of main magnet 56 and T iron 54 and U iron 58.T iron
The edge of 54 is fixed with the secondary magnet 52 of annular, and secondary magnet 52 is fixed with the washer 50, T of annular
Iron 54, secondary magnet 52 and washer 50 together form the high pitch magnetic circuit of a Guan Bi, secondary magnet 52 and China
High pitch magnetic gap 72 is defined between the newel of department's 50 and T iron 54.
As Fig. 1 and Fig. 2 jointly shown in, it is low that bass vibration component includes that lower end is fixed on U iron 58 sidewall
Sound frame 10, the upper end of bass frame 10 is fixed with the outward flange of basin with compound 20, the inner edge of basin with compound 10
Edge is fixed with bass voice coil loudspeaker voice coil 24, and bass voice coil loudspeaker voice coil 24 includes skeleton 240 and is wrapped in the line of skeleton 240 lower end
Circle 242, bass voice coil loudspeaker voice coil 24 is wound with one end of coil 242 and is positioned at bass magnetic gap 70.Bass voice coil loudspeaker voice coil
The periphery of the skeleton 240 of 24 is fixed with centring disk 22, the position of corresponding centring disk 22 in bass frame 10
Having installed annular boss 12, the inward flange of centring disk 22 is fixed on skeleton 240, and outward flange is fixed on
On boss 12.
As Fig. 1 and Fig. 2 jointly shown in, high pitch vibration component is positioned at the inner side of bass voice coil loudspeaker voice coil 24, including fixing
High pitch frame 30 on washer 50, the upper end of high pitch frame 30 is fixed with tweeters diaphragms 40, tweeters diaphragms
40 include ring portion 402 and the top dome portion 400 linked together, and ring portion 402 is looped around top dome portion 400
Periphery, the outward flange in ring portion 402 is fixed on the upper end of high pitch frame 30.Top dome portion in present embodiment
400 is identical with the protrusion direction in ring portion 402, all raises up.It is positioned at top dome portion 400 and ring portion 402
The be connected downside of tweeters diaphragms 40 of position is fixed with high pitch voice coil loudspeaker voice coil 42, and high pitch voice coil loudspeaker voice coil 42 includes skeleton 420
And it being looped around the coil 422 of skeleton 420 lower end, high pitch voice coil loudspeaker voice coil 40 is wound with one end of coil 422 and is positioned at height
In sound magnetic gap 72.
As Fig. 1 and Fig. 2 jointly shown in, the outside in the sidewall upper face of U iron 58 is provided with the location of concave downward
Land 580, the lower end of bass frame 10 is fixed in the land 580 of location.Location land 580 ensure that
The adhesive reinforcement of bass vibration component, reduces assembling difficulty, improves packaging efficiency.
As Fig. 1 and Fig. 2 jointly shown in, the sidepiece of bass frame 10 is fixed with electric connection terminal 60, is used for
Electrically connect the bass voice coil loudspeaker voice coil 24 of bass vibration component and the high pitch voice coil loudspeaker voice coil 42 of high pitch vibration component and loudspeaker
External circuit.
Loudspeaker of the present invention sufficiently make use of secondary magnet, and original washer changes into T iron, and at secondary magnet
On add a piece of washer and form high pitch magnetic circuit, and single in the radiation of original bass by increasing high pitch vibration component
A high pitch radiating element is added again, so that this loudspeaker can respond high frequency simultaneously on the basis of unit
Signal and low frequency signal, greatly widened the working band of loudspeaker, it is possible to by the effective bandwidth of loudspeaker
Extend into 20KHz, it is achieved that Whole frequency band radiates.
The present invention is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art is from above-mentioned design
Set out, without performing creative labour, all conversion made, all fall within protection scope of the present invention it
In.
Claims (9)
1. loudspeaker, including vibrational system and magnetic circuit system, it is characterised in that
Described vibrational system includes the high pitch vibration component being positioned at center and is looped around described high pitch vibration group
The bass vibration component of part periphery；
Described magnetic circuit system includes that U iron, the inside of described U iron are fixed with main magnet, solid on described main magnet
Surely there is T iron, between the sidewall of described main magnet and described T iron and described U iron, form bass magnetic gap；Institute
State the secondary magnet being fixed with annular on T iron, described secondary magnet is fixed with the washer of annular, described secondary magnet
And between described washer and the newel of described T iron, form high pitch magnetic gap；
The voice coil loudspeaker voice coil of described bass vibration component is positioned at described bass magnetic gap；The sound of described high pitch vibration component
Circle is positioned at described high pitch magnetic gap.
Loudspeaker the most according to claim 1, it is characterised in that described bass vibration component includes solid
Being scheduled on the bass frame on described U iron, the upper end of described bass frame is fixed with basin with compound, described basin with compound
Inward flange be fixed with bass voice coil loudspeaker voice coil, the lower end of described bass voice coil loudspeaker voice coil is positioned at described bass magnetic gap；Described
High pitch vibration component is positioned at the inner side of described bass voice coil loudspeaker voice coil.
Loudspeaker the most according to claim 2, it is characterised in that the periphery of described bass voice coil loudspeaker voice coil is fixed
Centring disk, the outward flange of described centring disk is had to be fixed in described bass frame.
Loudspeaker the most according to claim 3, it is characterised in that the inner side of described bass frame is corresponding
The position of described centring disk is provided with the boss of annular, and the outward flange of described centring disk is fixed on described boss
On.
Loudspeaker the most according to claim 4, it is characterised in that be provided with outside the upper end of described U iron
The location land of concave downward, the lower end of described bass frame is fixed in the land of described location.
6. according to the loudspeaker described in claim 1 to 5 any claim, it is characterised in that described height
Sound vibration component includes the high pitch frame being fixed on described washer, and the upper end of described high pitch frame is fixed with height
Sound vibrating diaphragm, described tweeters diaphragms is fixed with high pitch voice coil loudspeaker voice coil, and the lower end of described high pitch voice coil loudspeaker voice coil is positioned at described high pitch
In magnetic gap.
Loudspeaker the most according to claim 6, it is characterised in that described tweeters diaphragms includes being connected to
Ring portion together and top dome portion, described high pitch voice coil loudspeaker voice coil is fixed on described ring portion and is connected with described top dome portion
Position.
Loudspeaker the most according to claim 7, it is characterised in that described ring portion and described top dome portion
Protrusion direction identical.
Loudspeaker the most according to claim 2, it is characterised in that be fixed with use in described bass frame
In the electric connection terminal electrically connecting described bass vibration component and described high pitch vibration component and external circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377290.0A CN105848065B (en) | 2016-05-31 | 2016-05-31 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610377290.0A CN105848065B (en) | 2016-05-31 | 2016-05-31 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105848065A true CN105848065A (en) | 2016-08-10 |
| CN105848065B CN105848065B (en) | 2019-02-15 |
Family
ID=56595197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610377290.0A Active CN105848065B (en) | 2016-05-31 | 2016-05-31 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105848065B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106341760A (en) * | 2016-11-18 | 2017-01-18 | 广东欧珀移动通信有限公司 | Coaxial moving-coil loudspeaker and headset |
| CN108737938A (en) * | 2017-04-20 | 2018-11-02 | 深圳市三诺数字科技有限公司 | A kind of dual-drive speaker device |
| CN110582044A (en) * | 2019-10-12 | 2019-12-17 | 东莞正阳电子有限公司 | Loudspeaker with triple magnetic circuits |
| CN113194390A (en) * | 2021-04-23 | 2021-07-30 | 歌尔股份有限公司 | Sound producing device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20207197U1 (en) * | 2002-05-07 | 2002-08-29 | Meiloon Ind Co | speaker |
| CN2609309Y (en) * | 2003-04-11 | 2004-03-31 | 席黔峰 | All-band coaxial loudspeaker |
| CN201878322U (en) * | 2010-11-29 | 2011-06-22 | 陈永红 | Full-frequency ultrathin high-power flat-panel speaker |
| CN201986140U (en) * | 2011-03-22 | 2011-09-21 | 美商欧拉电声股份有限公司 | Ultra-thin speaker |
| CN205793266U (en) * | 2016-05-31 | 2016-12-07 | 歌尔股份有限公司 | Speaker |
-
2016
- 2016-05-31 CN CN201610377290.0A patent/CN105848065B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20207197U1 (en) * | 2002-05-07 | 2002-08-29 | Meiloon Ind Co | speaker |
| CN2609309Y (en) * | 2003-04-11 | 2004-03-31 | 席黔峰 | All-band coaxial loudspeaker |
| CN201878322U (en) * | 2010-11-29 | 2011-06-22 | 陈永红 | Full-frequency ultrathin high-power flat-panel speaker |
| CN201986140U (en) * | 2011-03-22 | 2011-09-21 | 美商欧拉电声股份有限公司 | Ultra-thin speaker |
| CN205793266U (en) * | 2016-05-31 | 2016-12-07 | 歌尔股份有限公司 | Speaker |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106341760A (en) * | 2016-11-18 | 2017-01-18 | 广东欧珀移动通信有限公司 | Coaxial moving-coil loudspeaker and headset |
| CN108737938A (en) * | 2017-04-20 | 2018-11-02 | 深圳市三诺数字科技有限公司 | A kind of dual-drive speaker device |
| CN108737938B (en) * | 2017-04-20 | 2024-01-23 | 深圳市三诺数字科技有限公司 | Dual-drive loudspeaker device |
| CN110582044A (en) * | 2019-10-12 | 2019-12-17 | 东莞正阳电子有限公司 | Loudspeaker with triple magnetic circuits |
| CN113194390A (en) * | 2021-04-23 | 2021-07-30 | 歌尔股份有限公司 | Sound producing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105848065B (en) | 2019-02-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Applicant before: Goertek Inc. |
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| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |