CN105050011A - Annular electromagnetic exciter and loudspeaker thereof - Google Patents
Annular electromagnetic exciter and loudspeaker thereof Download PDFInfo
- Publication number
- CN105050011A CN105050011A CN201510481782.XA CN201510481782A CN105050011A CN 105050011 A CN105050011 A CN 105050011A CN 201510481782 A CN201510481782 A CN 201510481782A CN 105050011 A CN105050011 A CN 105050011A
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- CN
- China
- Prior art keywords
- annular
- cannelure
- skeleton
- pedestal
- loudspeaker arrangement
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Abstract
The invention discloses a loudspeaker. The loudspeaker comprises an annular electromagnetic exciter and a sounder which is arranged on the annular electromagnetic exciter, wherein the annular electromagnetic exciter comprises a base; the base comprises a mounting hole positioned in the center of the base, annular grooves which are positioned in the periphery of the mounting hole and are formed by means of inward decompression from one surface of the base, annular magnets which are positioned in the annular grooves, and a framework of which the outer surface is wound with coils; blocking devices for preventing the framework from falling off are arranged in the openings of the annular grooves; and the sounder is of a transparent sheet structure, and is accommodated in the mounting hole of the base. The annular electromagnetic exciter and the loudspeaker have the beneficial effects that the base comprises the mounting hole positioned in the center of the base and the annular grooves which are positioned in the periphery of the mounting hole and are formed by means of inward depression from one surface of the base, so that components such as the sounder can be arranged in the mounting hole, and the size of the sounder is reduced.
Description
[technical field]
The present invention relates to Audiotechnica field, specifically, relate to a kind of annular electromagnetic driver and loudspeaker arrangement thereof.
[background technology]
Along with the fast development of electronic device field, the development of audio conversion devices also enters a fast-developing phase.
Loudspeaker arrangement is a kind of very conventional electro-acoustic transducer device, and it comprises electromagnetic driver and sound-producing device.
The electromagnetic driver of loudspeaker arrangement is the energy transducer signal of telecommunication being changed into acoustical signal, and loudspeaker arrangement generally comprises set of poles, coil device etc.; Coil device is generally the skeleton being wound with coil, when coil device moves in the magnetic field that set of poles produces, when coil device is communicated with AC audio and passes through magnetic field, an electric power can be subject to, its direction meets not carrys out bright left hand rule, power and electric current, magnetic direction are orthogonal, and stressed size is directly proportional to electric current, conductor length, magnetic flux density;
Now, the coil of electromagnetic driver is subject to an alternation motive force and produces alternate motion, drives sound-producing device vibration, repeatedly promotes air and pronounce.
The electromagnetic driver of the loudspeaker arrangement that present stage adopts generally comprises following two kinds of modes:
(1) edge as shown in Figure 1, being provided with the base plate 101 of boss in centre arranges a circle magnet a102 and arranges at the boss of base plate 101 the skeleton a104 being wound with coil a103;
(2) as shown in Figure 2, in the groove that middle part arranges reeded seat board 106, magnet b107 is set and with the inwall of the groove of seat board 106 on the skeleton b105 being wound with coil b108 is set.
There is certain defect in it:
(1) need to arrange other accessories for fixing or phase magnet, make the complex structure of loud speaker and the volume of loudspeaker arrangement cannot be reduced further;
(2) needing to protect further magnet, as arranged dust cover or cage avoids the magnetisable material in magnet adsorption air to affect audio conversion effect, certain depth increasing the volume of loudspeaker arrangement.
Therefore, be necessary to provide a kind of annular electromagnetic driver and loudspeaker arrangement thereof to solve the problems referred to above.
[summary of the invention]
Main purpose of the present invention is to provide a kind of loudspeaker arrangement, and its structure is simplified, compact, and minimizing takes up room.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of annular electromagnetic driver, it comprises pedestal, described pedestal comprise be positioned at its center installing hole, to be positioned at described installing hole peripheral and be wound with the skeleton of coil from the cave inward cannelure formed, the annular magnet being positioned at described cannelure and outer surface of surface thereof, described cannelure opening part is provided with the retention device stopping that described skeleton comes off.
Further, described annular magnet is arranged on described cannelure outer ring, and described skeleton is positioned at the inner ring of described cannelure.
Further, described retention device is rubber, and connects described pedestal, skeleton.
Further, described pedestal is pure iron material; Described annular magnet is aluminium nickel cobalt or neodymium iron boron material.
A kind of loudspeaker arrangement, it comprises annular electromagnetic driver and is installed on the acoustical generator on described annular electromagnetic driver, described annular electro magnetic pumping comprises pedestal, described pedestal comprises the installing hole that is positioned at its center and is positioned at described installing hole peripheral and be wound with the skeleton of coil from the cave inward cannelure formed, the annular magnet being positioned at cannelure and outer surface of surface thereof, and described cannelure opening part is provided with the retention device stopping that described skeleton comes off.
Further, described annular magnet is arranged on described cannelure outer ring, and described skeleton is positioned at the inner ring of described cannelure.
Further, described acoustical generator is transparent laminated structure.
Further, described acoustical generator is contained in the installing hole of described pedestal.
Further, described retention device is transparent rubber.
Further, described acoustical generator is arc structure, and does not exceed described retention device
Compared with prior art, the beneficial effect of a kind of loudspeaker arrangement of the present invention is:
(1) pedestal comprise be positioned at its center installing hole, to be positioned at installing hole peripheral and to cave inward the cannelure formed from surface thereof; Such setting, can be arranged as parts such as acoustical generators in installing hole, reduces the volume of loudspeaker arrangement;
(2) annular magnet is aluminium nickel cobalt or neodymium iron boron material; Aluminium nickel cobalt and neodymium iron boron are a kind of novel magnetic materials, have higher magnetic energy level than traditional ferrimagnet, use these magnets performance index significantly improving loud speaker, reduce loud speaker volume;
(3) be provided with the skeleton that annular magnet and outer surface are wound with coil in cannelure, and its opening part is provided with the retention device stopping that skeleton comes off; Such setting, protects and support fitting the carrying out of retention device without the need to additionally arranging, and retention device plays dustproof effect simultaneously, reduces the volume of loudspeaker arrangement further.
[accompanying drawing explanation]
Fig. 1 is one of cutaway view of the electromagnetic driver of existing loudspeaker arrangement;
Fig. 2 is the cutaway view two of the electromagnetic driver of existing loudspeaker arrangement;
Fig. 3 is the cutaway view of annular electromagnetic driver 100 in embodiments of the invention;
Fig. 4 is one of cutaway view of embodiments of the invention;
Fig. 5 is the cutaway view two of embodiments of the invention;
Numeral in figure:
101 base plates, 102 magnet a, 103 coil a, 104 skeleton a, 105 skeletons, 106 seat boards, 107 magnet b, 108 coil b;
100 annular electromagnetic drivers, 200 acoustical generators;
1 pedestal, 2 installing holes, 3 cannelures, 4 annular magnets, 5 coils, 6 skeletons, 7 retention devices.
[embodiment]
Embodiment:
The present embodiment is a kind of loudspeaker arrangement, it acoustical generator 200 comprising annular electromagnetic driver 100 and be installed on annular electromagnetic driver 100.As shown in Figure 3-Figure 5, annular electromagnetic driver 100 comprises pedestal 1, and pedestal 1 comprises and is positioned at its center and runs through the installing hole 2 of its upper and lower surface and to be positioned at described installing hole 2 peripheral and to cave inward the cannelure 3 formed from surface thereof; Annular electromagnetic driver 100 also comprises the skeleton 6 that the annular magnet 4 that is positioned at cannelure 3 and outer surface are wound with coil 5, and annular magnet 4 is arranged on cannelure 3 outer ring, and skeleton 6 is arranged on cannelure 3 inner ring; Cannelure 3 opening part is provided with for stopping the retention device 7 that skeleton 6 comes off.
Acoustical generator 200 is transparent laminated structure and is contained in the installing hole 2 of pedestal 1.
Retention device 7 is transparent rubber, and connects pedestal 1, skeleton 6.
Pedestal 1 is pure iron material.
Skeleton 6 is circular framework, and the coil 5 that it is wound around is copper enamel-cover circle line.
Coil 5 on skeleton 6 is two-layer or four layers of coiling.
Annular magnet 4 is aluminium nickel cobalt or neodymium iron boron material.
Wherein: between annular magnet 4 and cannelure 3 inner ring wall, form magnetic gap;
Coil 5 on skeleton 6 is two-layer or four layers of coiling, and object makes the lead-out wire two ends of coil 5 all towards acoustical generator 200 side, lead-out wire being welded on acoustical generator 200 securely, preventing coil 5 from damaging because of overheated when flowing through larger tone currents simultaneously;
Annular magnet 4 is aluminium nickel cobalt; Aluminium nickel cobalt is a kind of novel magnetic material, has higher magnetic energy level than traditional ferrimagnet, uses these magnets performance index significantly improving loud speaker, reduces loud speaker volume;
Described pedestal 1 comprises and is positioned at its center and runs through the installing hole 2 of its upper and lower surface and to be positioned at described installing hole 2 peripheral and to cave inward the cannelure 3 formed from surface thereof; The acoustical generator 8 of transparent laminated structure is set in installing hole 2, and cannelure 3 Internal and external cycle arranges skeleton 6 and annular magnet 4 respectively and its opening part is provided with for stopping the retention device 7 that coil comes off; Such setting, without the need to additionally arranging the accessory protected annular magnet 4 and skeleton 6 and support, and retention device 7 play simultaneously prevent dust enter cannelure 3 be effect, make the volume of loudspeaker arrangement reduce further;
Retention device 7 is transparent rubber, can directly show loudspeaker arrangement internal structure, play certain beauty function;
And loudspeaker arrangement can be adsorbed on magnetic body of wall by annular magnet 4, plays certain decoration function.
Compared with prior art, the beneficial effect of a kind of loudspeaker arrangement of the present embodiment is: pedestal 1 comprises and is positioned at its center and runs through the installing hole 2 of its upper and lower surface and to be positioned at described installing hole 2 peripheral and to cave inward the cannelure 3 formed from surface thereof; Such setting, in installing hole, 2 can be arranged as parts such as acoustical generators, reduce the volume of loudspeaker arrangement; Annular magnet 4 is aluminium nickel cobalt or neodymium iron boron material; Aluminium nickel cobalt and neodymium iron boron are a kind of novel magnetic materials, have higher magnetic energy level than traditional ferrimagnet, use these magnets performance index significantly improving loud speaker, reduce loud speaker volume simultaneously.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. an annular electromagnetic driver, it comprises pedestal, it is characterized in that: described pedestal comprise be positioned at its center installing hole, to be positioned at described installing hole peripheral and be wound with the skeleton of coil from the cave inward cannelure formed, the annular magnet being positioned at described cannelure and outer surface of surface thereof, described cannelure opening part is provided with the retention device stopping that described skeleton comes off.
2. the annular electromagnetic driver of one according to claim 1, is characterized in that: described annular magnet is arranged on described cannelure outer ring, and described skeleton is positioned at the inner ring of described cannelure.
3. the annular electromagnetic driver of one according to claim 1, is characterized in that: described retention device is rubber, and connects described pedestal, skeleton.
4. the annular electromagnetic driver of one according to claim 1, is characterized in that: described pedestal is pure iron material; Described annular magnet is aluminium nickel cobalt or neodymium iron boron material.
5. a loudspeaker arrangement, it is characterized in that: it comprises annular electromagnetic driver and is installed on the acoustical generator on described annular electromagnetic driver, described annular electro magnetic pumping comprises pedestal, described pedestal comprises the installing hole that is positioned at its center and to be positioned at described installing hole peripheral and be wound with the skeleton of coil from the cave inward cannelure formed, the annular magnet being positioned at described cannelure and outer surface of surface thereof, and described cannelure opening part is provided with the retention device stopping that described skeleton comes off.
6. a kind of loudspeaker arrangement according to claim 5, is characterized in that: described annular magnet is arranged on described cannelure outer ring, and described skeleton is positioned at the inner ring of described cannelure.
7. loudspeaker arrangement according to claim 5, is characterized in that: described acoustical generator is transparent laminated structure.
8. a kind of loudspeaker arrangement according to claim 7, is characterized in that: described acoustical generator is contained in the installing hole of described pedestal.
9. a kind of loudspeaker arrangement according to claim 6, is characterized in that: described retention device is transparent rubber, and connects described pedestal, skeleton and acoustical generator.
10. a kind of loudspeaker arrangement according to claim 8, is characterized in that: described acoustical generator is arc structure, and does not exceed described retention device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481782.XA CN105050011A (en) | 2015-08-07 | 2015-08-07 | Annular electromagnetic exciter and loudspeaker thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481782.XA CN105050011A (en) | 2015-08-07 | 2015-08-07 | Annular electromagnetic exciter and loudspeaker thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105050011A true CN105050011A (en) | 2015-11-11 |
Family
ID=54456117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510481782.XA Pending CN105050011A (en) | 2015-08-07 | 2015-08-07 | Annular electromagnetic exciter and loudspeaker thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN105050011A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018006544A1 (en) * | 2016-07-04 | 2018-01-11 | 中兴通讯股份有限公司 | Loudspeaker and wearable device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2155733A (en) * | 1983-12-03 | 1985-09-25 | Pioneer Electronic Corp | Voice coil speaker |
| US20020075110A1 (en) * | 1999-12-16 | 2002-06-20 | Motoharu Shimizu | Speaker comprising ring magnet |
| CN2569479Y (en) * | 2002-09-03 | 2003-08-27 | 深圳市鸿瀚实业发展有限公司 | Closing magnetic path structure of speaker |
| JP2007325017A (en) * | 2006-06-01 | 2007-12-13 | Pioneer Electronic Corp | Method of manufacturing speaker |
| CN101227765A (en) * | 2008-01-29 | 2008-07-23 | 歌尔声学股份有限公司 | Ultra-thin moving-coil type electro-acoustic conversing device |
| CN201114664Y (en) * | 2007-07-26 | 2008-09-10 | 吕国丰 | Combined structure of horn elastic wave and iron frame supporter |
| CN201114753Y (en) * | 2007-07-26 | 2008-09-10 | 吕国丰 | Combination structure of horn elastic wave and voice coil |
| CN201435282Y (en) * | 2009-05-27 | 2010-03-31 | 瑞声声学科技(常州)有限公司 | Novel magnetic circuit system |
| CN204887454U (en) * | 2015-08-07 | 2015-12-16 | 苏州博那德音响科技有限公司 | Annular electromagnetic excitation ware and device of raising one's voice thereof |
-
2015
- 2015-08-07 CN CN201510481782.XA patent/CN105050011A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2155733A (en) * | 1983-12-03 | 1985-09-25 | Pioneer Electronic Corp | Voice coil speaker |
| US20020075110A1 (en) * | 1999-12-16 | 2002-06-20 | Motoharu Shimizu | Speaker comprising ring magnet |
| CN2569479Y (en) * | 2002-09-03 | 2003-08-27 | 深圳市鸿瀚实业发展有限公司 | Closing magnetic path structure of speaker |
| JP2007325017A (en) * | 2006-06-01 | 2007-12-13 | Pioneer Electronic Corp | Method of manufacturing speaker |
| CN201114664Y (en) * | 2007-07-26 | 2008-09-10 | 吕国丰 | Combined structure of horn elastic wave and iron frame supporter |
| CN201114753Y (en) * | 2007-07-26 | 2008-09-10 | 吕国丰 | Combination structure of horn elastic wave and voice coil |
| CN101227765A (en) * | 2008-01-29 | 2008-07-23 | 歌尔声学股份有限公司 | Ultra-thin moving-coil type electro-acoustic conversing device |
| CN201435282Y (en) * | 2009-05-27 | 2010-03-31 | 瑞声声学科技(常州)有限公司 | Novel magnetic circuit system |
| CN204887454U (en) * | 2015-08-07 | 2015-12-16 | 苏州博那德音响科技有限公司 | Annular electromagnetic excitation ware and device of raising one's voice thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018006544A1 (en) * | 2016-07-04 | 2018-01-11 | 中兴通讯股份有限公司 | Loudspeaker and wearable device |
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Application publication date: 20151111 |
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| RJ01 | Rejection of invention patent application after publication |