CN203968357U - Magnetic assembly and the loud speaker that comprises this magnetic assembly - Google Patents
Magnetic assembly and the loud speaker that comprises this magnetic assembly Download PDFInfo
- Publication number
- CN203968357U CN203968357U CN201420295384.XU CN201420295384U CN203968357U CN 203968357 U CN203968357 U CN 203968357U CN 201420295384 U CN201420295384 U CN 201420295384U CN 203968357 U CN203968357 U CN 203968357U
- Authority
- CN
- China
- Prior art keywords
- outer magnet
- magnet
- contact
- making surface
- magnetic
- 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.)
- Expired - Lifetime
Links
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of magnetic assembly for loud speaker, comprising: magnetic conduction substrate; Inner magnet and at least one outer magnet, described inner magnet and outer magnet are arranged on described magnetic conduction substrate abreast, between described inner magnet and at least one outer magnet, leave gap; With inner magnet magnetic conductive board and at least one outer magnet magnetic conductive board, described inner magnet magnetic conductive board and at least one outer magnet magnetic conductive board are arranged at respectively on inner magnet and at least one outer magnet, wherein said magnetic conduction substrate is provided with at least one outer magnet locating part, described outer magnet locating part is against outer magnet, for limiting the movement of at least one outer magnet at least one direction.The invention also discloses a kind of loud speaker that comprises this magnetic assembly.According to magnetic assembly of the present utility model and loud speaker, can avoid the distorted signals or the noise that because of the relative shift of magnet, cause.
Description
Technical field
The utility model relates to loud speaker field, relates in particular to a kind of for the magnetic assembly of loud speaker and the loud speaker that comprises this magnetic assembly.
Background technology
Loud speaker is a kind of public address equipment in the every field extensive use such as industrial, civilian.A kind of typical loadspeaker structure is to make voice coil loudspeaker voice coil in magnetic field, produce vibrating diaphragm vibration that vibration drive be connected with voice coil loudspeaker voice coil and sounding by flowing through the alternating current of voice coil loudspeaker voice coil.In this structure, with the magnetic assembly of magnet, be absolutely necessary.For example, magnetic assembly can be included in and in work, is positioned at the inner magnet of voice coil loudspeaker voice coil and is positioned at the outer magnet outside voice coil loudspeaker voice coil.And magnet remains on exactly desired position in this structure, be very important.The little displacement of magnet just may cause obvious distortion or the noise of signal.
Utility model content
One of the purpose of this utility model is to provide a kind of magnetic assembly for loud speaker, and it can carry out outer magnet spacing accurately.
The purpose of this utility model is also to provide a kind of loud speaker with above-mentioned magnetic assembly, and it can prevent distorted signals and noise that the movement due to outer magnet causes.
The technical solution of the utility model can realize by following specific embodiment:
According to an aspect of the present utility model, a kind of magnetic assembly for loud speaker is provided, comprising:
Magnetic conduction substrate;
Inner magnet and at least one outer magnet, described inner magnet and outer magnet are arranged on described magnetic conduction substrate abreast, between described inner magnet and at least one outer magnet, leave gap; With
Inner magnet magnetic conductive board and at least one outer magnet magnetic conductive board, described inner magnet magnetic conductive board and at least one outer magnet magnetic conductive board are arranged at respectively on inner magnet and at least one outer magnet,
Wherein said magnetic conduction substrate is provided with at least one outer magnet locating part, and described outer magnet locating part is against outer magnet, for limiting the movement of at least one outer magnet at least one direction.
In one embodiment, described at least one outer magnet can comprise the first outer magnet and the second outer magnet, described the first outer magnet and the second outer magnet are arranged in the relative both sides of inner magnet, and described at least one outer magnet magnetic conductive board comprises the first outer magnet magnetic conductive board and the second outer magnet magnetic conductive board being separately positioned on the first outer magnet and the second outer magnet.
In one embodiment, the first outer magnet and the second outer magnet can be arranged symmetrically with respect to inner magnet.
In one embodiment, at least one outer magnet locating part can be at least partially disposed in the gap between inner magnet and at least one outer magnet.
In one embodiment, at least one outer magnet locating part can outer magnet in a side of inner magnet against outer magnet.
In one embodiment, at least one outer magnet locating part can be against outer magnet on both direction at least.
In one embodiment, at least one outer magnet can have at least one contact-making surface leaning with outer magnet locating part, and described contact-making surface is arranged on the place, the bight towards inner magnet one side of outer magnet.
In one embodiment, one or more in described contact-making surface can become inclination angle with first direction in the plane parallel with magnetic conduction substrate, and described first direction is that the outer magnet at this one or more contact-making surface place is towards the direction of inner magnet.
In one embodiment, described at least one contact-making surface can comprise the first contact-making surface and the second contact-making surface, described the first contact-making surface and the second contact-making surface are positioned at two different bights of same outer magnet, and not parallel each other, the first contact-making surface and the second contact-making surface lean from different outer magnet locating parts respectively.
In one embodiment, described at least one contact-making surface can comprise the first contact-making surface and the second contact-making surface, described the first contact-making surface and the second contact-making surface are positioned at the same bight of same outer magnet, and not parallel each other, the first contact-making surface and the second contact-making surface lean or lean with same outer magnet locating part from different outer magnet locating parts respectively.
In one embodiment, described outer magnet locating part and magnetic conduction substrate can be integral pieces.
According on the other hand of the present utility model, a kind of loud speaker is provided, comprising:
According to the magnetic assembly described in above-mentioned arbitrary embodiment;
Voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil is arranged in the gap of outer magnet and inner magnet and around inner magnet setting;
Vibrating diaphragm, described vibrating diaphragm is laid on voice coil loudspeaker voice coil, is positioned at the top of inner magnet and outer magnet; And
Bracing frame, support frame as described above is used for supporting vibrating diaphragm and is connected with magnetic conduction substrate.
At least one aspect in technique scheme of the present utility model can be by providing locating part to prevent the displacement of outer magnet for outer magnet.According to magnetic assembly of the present utility model and loud speaker, can avoid the distorted signals or the noise that because of the relative shift of magnet, cause.
Accompanying drawing explanation
Fig. 1 illustrates according to the schematic plan of the magnetic assembly of an embodiment of the present utility model;
Fig. 2 illustrates the perspective schematic view of the magnetic assembly of embodiment as shown in Figure 1;
Position view when Fig. 3 illustrates the magnetic assembly of embodiment as shown in Figure 1 and voice coil loudspeaker voice coil cooperating;
Fig. 4 illustrates according to the schematic plan of the magnetic assembly of another embodiment of the present utility model; With
Fig. 5 illustrates according to the schematic diagram of the loud speaker of an embodiment of the present utility model.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.In specification, same or analogous drawing reference numeral represents same or analogous parts.Followingly with reference to accompanying drawing, the explanation of the utility model execution mode is intended to overall utility model design of the present utility model to make an explanation, and does not should be understood to a kind of restriction of the present utility model.
Fig. 1-2 is schematically illustrated according to the magnetic assembly 100 of an embodiment of the present utility model.This magnetic assembly 100 can comprise magnetic conduction substrate 101 (or being called magnetic conductor bowl), inner magnet 102 and at least one outer magnet 103 and inner magnet magnetic conductive board 104 and at least one outer magnet magnetic conductive board 105.Inner magnet 102 and outer magnet 103 can be arranged on described magnetic conduction substrate 101 abreast, between inner magnet 102 and at least one outer magnet 103, leave gap 106.Inner magnet magnetic conductive board 104 and at least one outer magnet magnetic conductive board 105 are arranged at respectively on inner magnet 102 and at least one outer magnet 103.On magnetic conduction substrate 101, be provided with at least one outer magnet locating part 107, this outer magnet locating part 107 is against outer magnet 103, for limiting at least one outer magnet 103 movement at least one direction.As example, outer magnet 103 and inner magnet 102 can by as welding, the mode such as bonding be fixedly attached to magnetic conduction substrate 101.As example, outer magnet locating part 107 can be resisted some external force for the effect of outer magnet 103, and for example, inner magnet 102 is for suffered gravity of attraction, the outer magnet 103 of outer magnet 103 etc., thereby outer magnet locating part 107 can avoid the displacement of outer magnet 103 even to come off effectively.It is especially effective when this being fixedly connected with between outer magnet 103 and magnetic conduction substrate 101 is very infirm.
In the embodiment as described in Fig. 1-3, show three magnet structures, i.e. inner magnet and two outer magnets (i.e. the first outer magnet and the second outer magnet).The first outer magnet 1031 and the second outer magnet 1032 are arranged in the relative both sides of inner magnet 102.Correspondingly, on the first outer magnet 1031 and the second outer magnet 1032, be respectively equipped with the first outer magnet magnetic conductive board 1051 and the second outer magnet magnetic conductive board 1052.When magnetic assembly 100 and voice coil loudspeaker voice coil 301 cooperating, inner magnet 102 is positioned at voice coil loudspeaker voice coil 301, by voice coil loudspeaker voice coil 301, is surrounded, and the first outer magnet 1031 and the second outer magnet 1032 are positioned at outside voice coil loudspeaker voice coil 301.As example, the first outer magnet 1031 and the second outer magnet 1032 can be arranged symmetrically with respect to inner magnet 102.Yet this three magnet structures are not necessary, for example, can adopt an outer magnet or three, four or the more structure that is distributed in inner magnet outer magnet around.In an example, also can adopt the structure of two or more inner magnets.
As example, outer magnet locating part 107 can be at least one direction (for example x direction as shown in Figure 1 or y1, y2 direction) against outer magnet 103.As example, at least one outer magnet locating part 107 also can be for example, at both direction at least (x direction and y1 or y2 direction) as shown in Figure 1 upper against outer magnet 103.
In one embodiment, at least one outer magnet 105 has at least one contact-making surface 113 leaning with outer magnet locating part 107.For example, contact-making surface 113 can be arranged on the place, the bight towards inner magnet 102 1 sides (referring to Fig. 1-3) of outer magnet 103.As example, one or more in contact-making surface 113 can be not face inner magnet 102, in the plane parallel with magnetic conduction substrate 101, become inclination angle with first direction in other words conj.or perhaps, described first direction is that the outer magnet 103 at these one or more contact-making surface 113 places is towards the direction of inner magnet 102.For situation as Figure 1-3, for the contact-making surface 113 of the first outer magnet 1031, first direction is direction shown in y1, and for the contact-making surface 113 of the second outer magnet 1032, first direction is direction shown in y2.In an example, above-mentioned inclination angle can be within the scope of 30～60 degree, and for example 45 spend.
In one embodiment, at least one contact-making surface 113 can comprise the first contact-making surface 1131 and the second contact-making surface 1132, and described the first contact-making surface 1131 and the second contact-making surface 1132 can be positioned at two different bights of same outer magnet 103, and not parallel each other.As example, the first contact-making surface 1131 all contacts with outer magnet locating part 107 respectively with the second contact-making surface 1132, combination by means of the first contact-making surface 1131 and the second contact-making surface 1132, both can prevent that outer magnet 103 from, towards inner magnet 102 displacements, also can prevent that outer magnet 103 is along the play of its longitudinally.
In one embodiment, as shown in Figure 4, contact-making surface 113 can comprise the first contact-making surface 1133 and the second contact-making surface 1134, and described the first contact-making surface 1133,1135 and the second contact-making surface 1134,1136 are positioned at the same bight of same outer magnet 103, and not parallel each other.As example, the first contact-making surface 1133 and the second contact-making surface 1134 can lean with same outer magnet locating part 107 '.Or the first contact-making surface 1135 and the second contact-making surface 1136 can lean from different outer magnet locating part 107a, 107b respectively.
In one embodiment, outer magnet locating part also can be arranged in outer magnet in a side of inner magnet against outer magnet, for example in Fig. 4 top outer magnet stopper 107c shown in.As example, at least one outer magnet locating part can be at least partially disposed in the gap 106 between inner magnet 102 and at least one outer magnet 103.
Although the outer magnet locating part of various ways has been shown in Fig. 1-Fig. 4, should be appreciated that this is all schematically, above-mentioned any outer magnet locating part can be used independently or in combination.An outer magnet can be undertaken spacing by one, two, three or more outer magnet locating parts.In an embodiment, outer magnet locating part can have various shape, as cuboid, cylinder, cone, frustum etc.As example, outer magnet locating part can be upright, with respect to magnetic conduction substrate, is substantially vertical, can be also at a certain angle with the normal of magnetic conduction substrate.
In one embodiment, described outer magnet locating part can be integral piece with magnetic conduction substrate, can be also such as being connected on magnetic conduction substrate by modes such as welding, grafting.
The utility model also relates to a kind of loud speaker 300.As shown in Figure 5, this loud speaker 300 comprises: the magnetic assembly 100 described in above-mentioned arbitrary embodiment, voice coil loudspeaker voice coil 301, vibrating diaphragm 302 and bracing frame 303.As mentioned above, magnetic assembly 100 comprises the parts such as magnetic conduction substrate 101, inner magnet 102, outer magnet 103, inner magnet magnetic conductive board 104 and outer magnet magnetic conductive board 105.As example, voice coil loudspeaker voice coil 301 is arranged in the gap between outer magnet 103 and inner magnet 102 and around inner magnet 102 and arranges, vibrating diaphragm 302 is laid on voice coil loudspeaker voice coil 301, is positioned at the top of inner magnet 102 and outer magnet 103, and bracing frame 303 is for supporting vibrating diaphragm 302 and being connected with magnetic conduction substrate 101.
For loud speaker, the position relationship of inner magnet and outer magnet is extremely important, departs from the design attitude of expectation once outer magnet produces displacement with respect to inner magnet, just may cause the increase of distorted signals and noise.Thereby can carry out the reliably spacing phenomenon that has suppressed sort signal distortion and noise increase to outer magnet according to the magnetic assembly of above-described embodiment of the present utility model.
Although by reference to the accompanying drawings the utility model is illustrated, in accompanying drawing, disclosed embodiment is intended to the utility model preferred implementation to carry out exemplary illustration, and can not be interpreted as a kind of restriction of the present utility model.
Although some embodiment of the utility model general plotting are shown and explanation, those skilled in the art will appreciate that, in the situation that do not deviate from principle and the spirit of this overall utility model design, can make a change these embodiment, scope of the present utility model limits with claim and their equivalent.
Claims (12)
1. for a magnetic assembly for loud speaker, it is characterized in that, this magnetic assembly comprises:
Magnetic conduction substrate;
Inner magnet and at least one outer magnet, described inner magnet and outer magnet are arranged on described magnetic conduction substrate abreast, between described inner magnet and at least one outer magnet, leave gap; With
Inner magnet magnetic conductive board and at least one outer magnet magnetic conductive board, described inner magnet magnetic conductive board and at least one outer magnet magnetic conductive board are arranged at respectively on inner magnet and at least one outer magnet,
Wherein said magnetic conduction substrate is provided with at least one outer magnet locating part, and described outer magnet locating part is against outer magnet, for limiting the movement of at least one outer magnet at least one direction.
2. magnetic assembly according to claim 1, it is characterized in that, described at least one outer magnet comprises the first outer magnet and the second outer magnet, described the first outer magnet and the second outer magnet are arranged in the relative both sides of inner magnet, and described at least one outer magnet magnetic conductive board comprises the first outer magnet magnetic conductive board and the second outer magnet magnetic conductive board being separately positioned on the first outer magnet and the second outer magnet.
3. magnetic assembly according to claim 2, is characterized in that, the first outer magnet and the second outer magnet are arranged symmetrically with respect to inner magnet.
4. magnetic assembly according to claim 1, is characterized in that, at least one outer magnet locating part is at least partially disposed in the gap between inner magnet and at least one outer magnet.
5. magnetic assembly according to claim 1, is characterized in that, at least one outer magnet locating part outer magnet in a side of inner magnet against outer magnet.
6. magnetic assembly according to claim 1, is characterized in that, at least one outer magnet locating part on both direction at least against outer magnet.
7. magnetic assembly according to claim 1, is characterized in that, at least one outer magnet has at least one contact-making surface leaning with outer magnet locating part, and described contact-making surface is arranged on the place, the bight towards inner magnet one side of outer magnet.
8. magnetic assembly according to claim 7, it is characterized in that, one or more in described contact-making surface becomes inclination angle with first direction in the plane parallel with magnetic conduction substrate, and described first direction is that the outer magnet at this one or more contact-making surface place is towards the direction of inner magnet.
9. magnetic assembly according to claim 7, it is characterized in that, described at least one contact-making surface comprises the first contact-making surface and the second contact-making surface, described the first contact-making surface and the second contact-making surface are positioned at two different bights of same outer magnet, and not parallel each other, the first contact-making surface and the second contact-making surface lean from different outer magnet locating parts respectively.
10. magnetic assembly according to claim 7, it is characterized in that, described at least one contact-making surface comprises the first contact-making surface and the second contact-making surface, described the first contact-making surface and the second contact-making surface are positioned at the same bight of same outer magnet, and not parallel each other, the first contact-making surface and the second contact-making surface lean or lean with same outer magnet locating part from different outer magnet locating parts respectively.
11. according to the magnetic assembly described in any one in claim 1-10, it is characterized in that, described outer magnet locating part and magnetic conduction substrate are integral pieces.
12. 1 kinds of loud speakers, is characterized in that, this loud speaker comprises:
According to the magnetic assembly described in any one in claim 1-11;
Voice coil loudspeaker voice coil, described voice coil loudspeaker voice coil is arranged in the gap of outer magnet and inner magnet and around inner magnet setting;
Vibrating diaphragm, described vibrating diaphragm is laid on voice coil loudspeaker voice coil, is positioned at the top of inner magnet and outer magnet; And
Bracing frame, support frame as described above is used for supporting vibrating diaphragm and is connected with magnetic conduction substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295384.XU CN203968357U (en) | 2014-06-05 | 2014-06-05 | Magnetic assembly and the loud speaker that comprises this magnetic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295384.XU CN203968357U (en) | 2014-06-05 | 2014-06-05 | Magnetic assembly and the loud speaker that comprises this magnetic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203968357U true CN203968357U (en) | 2014-11-26 |
Family
ID=51928894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420295384.XU Expired - Lifetime CN203968357U (en) | 2014-06-05 | 2014-06-05 | Magnetic assembly and the loud speaker that comprises this magnetic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203968357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228060A (en) * | 2014-06-05 | 2016-01-06 | 楼氏国际采购中心（马来西亚）私人有限公司 | Magnetic assembly and the loud speaker comprising this magnetic assembly |
| CN112154675A (en) * | 2018-05-23 | 2020-12-29 | 微软技术许可有限责任公司 | High-efficiency loudspeaker with multi-magnet structure |
-
2014
- 2014-06-05 CN CN201420295384.XU patent/CN203968357U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228060A (en) * | 2014-06-05 | 2016-01-06 | 楼氏国际采购中心（马来西亚）私人有限公司 | Magnetic assembly and the loud speaker comprising this magnetic assembly |
| CN112154675A (en) * | 2018-05-23 | 2020-12-29 | 微软技术许可有限责任公司 | High-efficiency loudspeaker with multi-magnet structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202841514U (en) | Loudspeaker unit | |
| CN103686557A (en) | Electroacoustic transducer | |
| CN107249163B (en) | Sounding device | |
| CN106792394A (en) | A kind of two-way loudspeaker and stereo set | |
| CN203968357U (en) | Magnetic assembly and the loud speaker that comprises this magnetic assembly | |
| CN107801135A (en) | Loadspeaker structure | |
| CN104811875A (en) | Two-way speaker | |
| KR101208243B1 (en) | Slim type speaker and magnetic circuit for it | |
| CN105848064B (en) | Double magnetic gap magnetic circuit systems and loudspeaker with double magnetic gap magnetic circuit systems | |
| CN105228060A (en) | Magnetic assembly and the loud speaker comprising this magnetic assembly | |
| CN202035134U (en) | Loudspeaker with double suspended fringes | |
| CN201937818U (en) | Acoustical generator | |
| CN204291377U (en) | Microspeaker | |
| CN204392551U (en) | A kind of Dual Drive Microspeaker | |
| CN203590447U (en) | Electroacoustic transducer | |
| CN209314089U (en) | A kind of assembling structure of Microspeaker | |
| CN204616026U (en) | A kind of three magnet loudspeaker | |
| CN203775399U (en) | Loudspeaker driven by balancing magnets | |
| CN203279155U (en) | Loudspeaker magnetic circuit structure | |
| CN208424747U (en) | A kind of double drive racetrack loudspeaker | |
| CN201533401U (en) | Magnetic circuit system and miniature acoustic generator using same | |
| CN202551339U (en) | Speaker device | |
| KR101375978B1 (en) | High Efficient Electromagnet Slim Speaker Using Closed-Loop Magnetic Circuit | |
| JP2007534198A (en) | Microphone | |
| CN204119499U (en) | Electromagnetic loudspeaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: KNOWLES IPC (M) SDN. BHD. Free format text: FORMER OWNER: KNOWLES ELECTRONICS (BEIJING) CO., LTD. Effective date: 20141230 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141230 Address after: Malaysia, Bayan Lepas, Penang Industrial Park, 104 Java Road Patentee after: Roche international purchasing center (Malaysia) SDN BHD Address before: 100176, No. 20, Tongji South Road, Beijing Economic Development Zone, Beijing Patentee before: Floor Electronics (Beijing) Co.,Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 100000, No. 20, Tongji South Road, Beijing economic and Technological Development Zone, Beijing Patentee after: SOUND SOLUTIONS INTERNATIONAL Co.,Ltd. Address before: 100000, No. 20, Tongji South Road, Beijing Economic Development Zone Patentee before: Floor Electronics (Beijing) Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20161128 Address after: Beijing City Economic Development Zone, Tongji Road No. 20 Patentee after: Floor Electronics (Beijing) Co.,Ltd. Address before: Bayan Lepas Industrial Park, Malaysia, Penang, 104 Patentee before: Roche international purchasing center (Malaysia) SDN BHD |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20220307 Address after: 212000 4 4 Yangtze River Road, Dagang street, Zhenjiang New District, Jiangsu Patentee after: SOUND SOLUTIONS AUSTRIA GmbH Address before: No.20, Tongji South Road, Beijing Economic and Technological Development Zone, Beijing Patentee before: SOUND SOLUTIONS INTERNATIONAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |
|
| CX01 | Expiry of patent term |