CN203289636U - Loudspeaker structure - Google Patents
Loudspeaker structure Download PDFInfo
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- CN203289636U CN203289636U CN2012206946738U CN201220694673U CN203289636U CN 203289636 U CN203289636 U CN 203289636U CN 2012206946738 U CN2012206946738 U CN 2012206946738U CN 201220694673 U CN201220694673 U CN 201220694673U CN 203289636 U CN203289636 U CN 203289636U
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- magnet
- voice coil
- washer
- shaped iron
- bonded
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Abstract
The utility model provides a loudspeaker structure which comprises a washer, a first magnet, T-shaped iron and at least two voice coils, wherein the first magnet is arranged in the middle part of the washer, and two ends of the washer are provided with through holes; the shape of the T-shaped iron is identical to that of the washer, two ends of the T-shaped iron are protruded, the protruding parts are respectively sleeved in the through holes at two ends of the washer; and the first magnet is clamped between the washer and the T-shaped iron, and the voice coils are respectively sleeved on the protruding parts of the washer. According to the loudspeaker structure, the magnet and the voice coils are not on the same axis, but magnetic lines of force are transmitted to magnetic gaps through the T-shaped iron and the washer which are contacted with the first magnet to provide energy for the voice coils to vibrate; the height space of the loudspeaker can be utilized to the maximum, so that speakers and voice boxes can be thinned, and miniaturization of the speakers and the voice boxes is facilitated; and simultaneously, the shape of the first magnet does not need to be corresponding to or similar to that of the voice coils, and the processing cost is reduced.
Description
Technical field
The present invention relates to mechanical field, refer to especially a kind of loadspeaker structure.
Background technology
Conventional loudspeakers magnetic structure used normally voice coil loudspeaker voice coil and magnetic circuit is on same axis, as Figure 1-Figure 5, wherein label is respectively T- shaped iron 2A, 2B, magnet 3A, 3B, 3C, washer 4A, 4B, voice coil loudspeaker voice coil 8A, 8B, 8C, magnet is symmetrical along the voice coil loudspeaker voice coil axis, magnet is commonly referred to interior magnetic (referring to Fig. 2 and Fig. 4) in voice coil loudspeaker voice coil inside, be called outer magnetic (referring to Fig. 1 and Fig. 3) in the voice coil loudspeaker voice coil outside.The shape of voice coil loudspeaker voice coil and the shape of magnet are similar, as voice coil loudspeaker voice coil, are circular, and magnet is also circular usually; Due to magnet part voice coil loudspeaker voice coil axially and in the bottom of voice coil loudspeaker voice coil (as Fig. 3, Fig. 4 and shown in Figure 5), cause the structure of whole loudspeaker to be subjected to the impact of voice coil loudspeaker voice coil larger, particularly affected by magnetic structure larger, highly higher for the loudspeaker height.
Summary of the invention
The present invention proposes a kind of loadspeaker structure, has solved loadspeaker structure in the prior art and has been subjected to voice coil loudspeaker voice coil to affect large and problem that the loud speaker height can't be reduced.
Technical scheme of the present invention is achieved in that
A kind of loadspeaker structure, it comprises: washer, the first magnet, T-shaped iron and two voice coil loudspeaker voice coils, described washer middle part is provided with described the first magnet, and two ends are provided with through hole; Described T-shaped iron profile is consistent with described washer, and the two ends projection, and bossing is placed in respectively in the through hole at described washer two ends; Described the first magnet is sandwiched between described washer and described T-shaped iron, and described voice coil loudspeaker voice coil is placed in respectively on the projection of described washer.
Preferably, described washer two ends further are provided with the second magnet and the 3rd magnet, and described the second magnet and the 3rd magnet are arranged at respectively the described through hole outside.
Preferably, described washer middle part and two ends are to lower recess, and the space that between described T-shaped iron, described the first magnet, described the second magnet and described the 3rd magnet are held in formation.
Preferably, described through hole is waist-shaped hole.
Preferably, described it comprises support, and described washer is bonded on described the first magnet, and described the first magnet is bonded on described T-shaped iron, and described T-shaped iron is adhered on described support.
Preferably, described voice coil loudspeaker voice coil is outside equipped with and plays ripple and drum paper, and described bullet ripple is bonded on described support, and described voice coil loudspeaker voice coil is bonded on described bullet ripple and described bulging paper.
Preferably, described bulging paper sleeve has dust cap, and described dust cap is bonded on described voice coil loudspeaker voice coil.
Preferably, described bulging paper is bonded on described support.
Preferably, it further comprises terminal board, is welded with copper cash on described terminal board, and described terminal board is bonded on described support.
Preferably, also be bonded with the audio amplifier lid on described support.
The present invention has partly carried out breakthrough design to the magnetic circuit of conventional loudspeakers, the magnet that makes magnetic circuit part with voice coil loudspeaker voice coil not on same axis, but by with the contacted T-shaped iron of magnet and washer, the magnetic line of force being transferred in magnetic gap, the energy that provides voice coil loudspeaker voice coil to vibrate; Its beneficial effect has:
1. can utilize to greatest extent the height space of loud speaker, make loudspeaker and audio amplifier can do thinlyyer, be conducive to the miniaturization of loudspeaker or sound equipment;
2. the shape of magnet and the shape of voice coil loudspeaker voice coil need not correspondingly or similar, as voice coil loudspeaker voice coil, are circular, and magnet can be square or other any shape, has simplified processing cost.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the loud speaker disassemblying structure schematic diagram of prior art China and foreign countries magnetic structure;
Fig. 2 is the loud speaker disassemblying structure schematic diagram of inner magnetic structure in prior art;
Fig. 3 is the speaker combination structure cutaway view of prior art China and foreign countries magnetic structure;
Fig. 4 is the speaker combination structure cutaway view of inner magnetic structure in prior art;
Fig. 5 is the combining structure cutaway view of conventional loudspeakers in prior art;
Fig. 6 is the disassemblying structure schematic diagram of loadspeaker structure the first embodiment of the present invention;
Fig. 7 is the combining structure cutaway view of loadspeaker structure the first embodiment of the present invention;
Fig. 8 is the combining structure cutaway view of loadspeaker structure the second embodiment of the present invention;
Fig. 9 is that schematic diagram is disassembled in the part-structure combination of loadspeaker structure preferred embodiment of the present invention;
Figure 10 is the part-structure combining structure schematic diagram of loadspeaker structure preferred embodiment of the present invention;
Figure 11 is the assembled sectional view of loadspeaker structure preferred embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment that obtains, belong to the scope of protection of the invention.
As Fig. 6-shown in Figure 11, loadspeaker structure of the present invention comprises: washer 4, the first magnet 31, T-shaped iron 2 and two voice coil loudspeaker voice coils 8, and described washer 4 middle parts are provided with described the first magnet 31, and two ends are provided with through hole; Described T-shaped iron 2 profiles are consistent with described washer 4, and the two ends projection, and bossing is placed in respectively in the through hole at described washer 4 two ends; Described the first magnet 31 is sandwiched between described washer 4 and described T-shaped iron 2, and described voice coil loudspeaker voice coil 8 is placed in respectively on the projection of described washer 4.
Loud speaker is the device that converts electrical energy into acoustic energy, and is opposite with the principle of microphone.T-shaped iron wherein also is called electrician's iron, and its material is soft iron, and main characteristic is magnetic conduction, but there is no remanent magnetism, that is: after magnetic field disappeared, the magnetic of T-shaped iron also disappeared immediately.The first magnet 31 of the present invention not on same axis, but, by with the first contacted T-shaped iron 2 of magnet 31, with washer 4, the magnetic line of force being transferred in magnetic gap, provides the energy of voice coil loudspeaker voice coil 8 vibrations with voice coil loudspeaker voice coil 8.This structure can be utilized the height space of loudspeaker and audio amplifier to greatest extent, makes loudspeaker and audio amplifier can do thinlyyer.
As Figure 9-Figure 11, the two ends of washer 4 further are provided with the second magnet 32 and the 3rd magnet 33, and described the second magnet 32 and the 3rd magnet 33 are arranged at respectively the described through hole outside.
Described through hole can be waist-shaped hole.The shape of described the first magnet 31, the second magnet 32 and the 3rd magnet 33 and the shape of voice coil loudspeaker voice coil 8 do not need similar, can be designed to different shapes according to real needs, for example voice coil loudspeaker voice coil 8 is circular, and the first magnet 31, the second magnet 32 and the 3rd magnet 33 can be square or other shape.
In illustrated embodiment one and embodiment two, described voice coil loudspeaker voice coil 8 is two, and a through hole is respectively established respectively at described washer 4 two ends, and described through hole is waist-shaped hole.The middle part of described washer 4 is to lower recess, and the space that between described T-shaped iron 2, described the first magnet is held in formation.In a preferred embodiment, the middle part of washer 4 and two ends are respectively to lower recess, and the space that between described T-shaped iron 2, described the first magnet 31, described the second magnet 32 and described the 3rd magnet 33 are held in formation.Loud speaker of the present invention can provide the actuating force of two magnetic circuit systems by the first magnet 31, also can provide by three magnet the actuating force of two magnetic circuit systems.Certainly, the present invention also can be designed to other rotational symmetric shape with washer 4 and T-shaped iron 2, and to hold more magnet and more voice coil loudspeaker voice coil 8 is set, embodiments of the invention are only set forth as an example of two voice coil loudspeaker voice coils example.
This loud speaker also comprises support 1, and described washer 4 is bonded on described the first magnet 3, described the first magnet 31(and the second magnet 32 and the 3rd magnet 33) be bonded on described T-shaped iron 2, described T-shaped iron 2 is adhered on described support 1.In the present embodiment, outer also being provided with of described voice coil loudspeaker voice coil 8 plays ripple 6, and described bullet ripple 6 also is bonded on described support 1.Play ripple 6 and claim again centring disk, be used for support drum paper 7, make bulging paper 7 work more stable.Drum paper 7 is enclosed within outside voice coil loudspeaker voice coil 8, and voice coil loudspeaker voice coil 8 is bonded in and plays on ripple 6 and described bulging paper 7.Drum paper 7 claims again vibrating diaphragm or cone etc., is the irradiation device of sound, is determining to a large extent the sound reproduction performance of loud speaker.
Drum paper 7 needs light weight and rigidity is good, can not be out of shape because of ambient temperature, humidity.Can adopt existing paper pulp drum paper, also can adopt other material to be made.Such as also adding the bulging paper of the materials such as synthetic material, metal, cortina, polypropylene, carbon fiber, Titanium.
In loud speaker of the present invention, described bulging paper 7 overcoats have dust cap 10, and described dust cap 10 is bonded on described voice coil loudspeaker voice coil 8; Described bulging paper 7 is bonded in again on support 1.Dust cap 10 also is dust cover, and Main Function is dustproof.Loud speaker also further comprises terminal board 5, be welded with copper cash 9 on described terminal board 5, and described terminal board 5 is bonded in also on support 1.Also be bonded with simultaneously audio amplifier lid 11 on described support 1.
Although in an embodiment of the present invention, more parts adopt bonding mode to connect, and those skilled in the art can understand, and also can adopt other clamping between these parts or by modes such as connectors, connect, and being not limited to bonding.
In magnetic structure of the present invention, voice coil loudspeaker voice coil 8 and magnet 3 is not at same axis, therefore can effectively utilize other space of loud speaker that magnet 3 is installed; The shape of magnet 3 is not affected by the shape of voice coil loudspeaker voice coil 8, can be with magnet square or that other any shape fills as the circle voice coil loudspeaker voice coil yet; Due to magnet part not voice coil loudspeaker voice coil 8 axial below, can save the height space of traditional installation magnet 3, magnet 3 is installed in the place of can be in other position of loudspeaker, not affecting height, and with washer 4, the magnetic line of force is led voice coil loudspeaker voice coil winding place, thereby effectively utilized height space, reduce the whole height of loud speaker, be conducive to the miniaturization development of loud speaker.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a loadspeaker structure, is characterized in that, it comprises: washer, the first magnet, T-shaped iron and two voice coil loudspeaker voice coils, and described washer middle part is provided with described the first magnet, and two ends are provided with through hole; Described T-shaped iron profile is consistent with described washer, and the two ends projection, and bossing is placed in respectively in the through hole at described washer two ends; Described the first magnet is sandwiched between described washer and described T-shaped iron, and described voice coil loudspeaker voice coil is placed in respectively on the projection of described washer.
2. loadspeaker structure as claimed in claim 1, is characterized in that, described washer two ends further are provided with the second magnet and the 3rd magnet, and described the second magnet and the 3rd magnet are arranged at respectively the described through hole outside.
3. loadspeaker structure as claimed in claim 2, is characterized in that, described washer middle part and two ends are to lower recess, and the space that between described T-shaped iron, described the first magnet, described the second magnet and described the 3rd magnet are held in formation.
4. loadspeaker structure as claimed in claim 1, is characterized in that, described through hole is waist-shaped hole.
5. loadspeaker structure as claimed in claim 1, is characterized in that, described it comprises support, and described washer is bonded on described the first magnet, and described the first magnet is bonded on described T-shaped iron, and described T-shaped iron is adhered on described support.
6. loadspeaker structure as claimed in claim 5, is characterized in that, described voice coil loudspeaker voice coil is outside equipped with and plays ripple and drum paper, and described bullet ripple is bonded on described support, and described voice coil loudspeaker voice coil is bonded on described bullet ripple and described bulging paper.
7. loadspeaker structure as claimed in claim 6, is characterized in that, described bulging paper sleeve has dust cap, and described dust cap is bonded on described voice coil loudspeaker voice coil.
8. loadspeaker structure as claimed in claim 6, is characterized in that, described bulging paper is bonded on described support.
9. loadspeaker structure as claimed in claim 5, is characterized in that, it further comprises terminal board, is welded with copper cash on described terminal board, and described terminal board is bonded on described support.
10. loadspeaker structure as claimed in claim 5, is characterized in that, also is bonded with the audio amplifier lid on described support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206946738U CN203289636U (en) | 2012-12-14 | 2012-12-14 | Loudspeaker structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206946738U CN203289636U (en) | 2012-12-14 | 2012-12-14 | Loudspeaker structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203289636U true CN203289636U (en) | 2013-11-13 |
Family
ID=49545975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206946738U Withdrawn - After Issue CN203289636U (en) | 2012-12-14 | 2012-12-14 | Loudspeaker structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203289636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103002386A (en) * | 2012-12-14 | 2013-03-27 | 东星电声科技(东莞)有限公司 | Loudspeaker structure |
-
2012
- 2012-12-14 CN CN2012206946738U patent/CN203289636U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103002386A (en) * | 2012-12-14 | 2013-03-27 | 东星电声科技(东莞)有限公司 | Loudspeaker structure |
| CN103002386B (en) * | 2012-12-14 | 2015-05-20 | 东星电声科技(东莞)有限公司 | Loudspeaker structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131113 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |