CN203086665U - Receiver - Google Patents
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- Publication number
- CN203086665U CN203086665U CN 201220721518 CN201220721518U CN203086665U CN 203086665 U CN203086665 U CN 203086665U CN 201220721518 CN201220721518 CN 201220721518 CN 201220721518 U CN201220721518 U CN 201220721518U CN 203086665 U CN203086665 U CN 203086665U
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- Prior art keywords
- magnet steel
- receiver
- lower plate
- voice coil
- kink
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Abstract
The utility model provides a receiver. The receiver comprises a frame body, a multi-magnetic-circuit module group and a lower clamping plate. The frame body comprises a plurality of sidewalls; the multi-magnetic-circuit module group comprises a main magnetic steel and auxiliary magnetic steels which are arranged at intervals; the lower clamping plate is correspondingly matched with the sidewalls of the frame body to form a vocal cavity to accommodate the multi-magnetic-circuit module group; the lower clamping plate comprises a body and a plurality of bending portions; and the bending portions are formed by the extension of the body, obtuse angles are formed between the bending portions and the body, and the bending portions are supported against the auxiliary magnetic steels. The receiver is characterized in that the reliability is high, the frequency response range is wide, and the sound quality is good.
Description
Technical field
The utility model relates to a kind of receiver, particularly relates to a kind of multipath magnetic circuit receiver.
Background technology
Receiver is to be the electro-acoustic element of sound with electrical signal conversion, receiver can be divided into the brilliant formula of carbon, condenser type, moving-iron type and moving coil receiver etc. according to operation principle, and wherein carbon crystalline substance, condenser type, moving-iron type receiver are because structure, electrical property aspect former thereby eliminated by market gradually.
At present, the receiver of selling on the market generally all is a moving coil receiver.A kind of multipath magnetic circuit receiver relevant with the utility model comprises a plurality of magnetic circuit systems and vibrational system, reciprocating motion in the mixed magnetic field of the voice coil loudspeaker voice coil correspondence of described vibrational system after described multipath magnetic circuit module stack.
When in the voice coil loudspeaker voice coil of vibrational system during input audio signal, according to left hand rule, voice coil loudspeaker voice coil will vibrate with the audio signal amplitude size in the magnetic circuit gap, and the promotion vibrating diaphragm vibrates together, vibrating diaphragm produces the amplitude corresponding with audio signal under the promotion of voice coil loudspeaker voice coil, thereby vibrate air has just been finished the electroacoustic transfer process.
In the described multipath magnetic circuit receiver, described a plurality of magnet steel need fixing respectively, with the reliability of the described mixed magnetic field after the assurance stack.On the other hand, the stack magnetic field magnetic line loss in the described magnetic circuit gap is few more, and then its magnetic field is strong more, and the frequency response that thereupon brings is wide, tonequality good.Otherwise this defective is more obvious, and promptly the stationarity of magnet steel is poor, and then its reliability reduces; The magnetic force loss of magnet steel is many more, and then frequency response and acoustical quality are poor more.
At the problems referred to above, the utility model proposes a kind of novel receiver structure, effectively improve the above-mentioned defective of receiver.
The utility model content
The problem that the technical problem that the utility model mainly solves is existing receiver poor reliability, frequency response is narrow and acoustical quality is not good.
In order to solve the problems of the technologies described above, the utility model embodiment discloses a kind of receiver, comprise framework, multipath magnetic circuit module and lower plate, described framework comprises a plurality of sidewalls, described multipath magnetic circuit module comprises main magnet steel and the secondary magnet steel that is provided with at interval, the sidewall of the described framework of described lower plate corresponding matching surrounds the operatic tunes to accommodate described multipath magnetic circuit module, described lower plate comprises body and a plurality of kink, described kink extends to form from described body bending, and being provided with in obtuse angle between the described body, and the described secondary magnet steel of butt.
Further, described kink quantity is four, is separately positioned on the end of described lower plate, and the center line of described relatively body is and is symmetrical arranged.
Further, described secondary magnet steel is two, and it is symmetricly set on two opposite sides of described main magnet steel, and and described main magnet steel between form two magnetic gap.
Further, described lower plate also comprises through hole, described multipath magnetic circuit module comprises voice coil loudspeaker voice coil, described receiver also comprises the weld tabs and the Elastic Contact terminal of mutual electrical connection, described voice coil loudspeaker voice coil is suspended between described main magnet steel and the secondary magnet steel, the corresponding electrical connection with described voice coil loudspeaker voice coil simultaneously of described weld tabs, and transmission of electric signals is to described multipath magnetic circuit module.
Further, described weld tabs lid is established described through hole, and described Elastic Contact terminal runs through described through hole, and the described weld tabs of clamping is to described lower plate.
Further, described multipath magnetic circuit module also comprises pole piece, its folded respectively being located on described main magnet steel and the described secondary magnet steel, and correspondence is housed in the described operatic tunes.
Compared to a kind of receiver relevant with the utility model, receiver of the present utility model is provided with kink on lower plate, fix described secondary magnet steel by described kink at fore-and-aft direction, cooperate described sidewall at the effectively fixing described secondary magnet steel of left and right directions simultaneously, ensure to have stable magnetic gap between described secondary magnet steel and the described main magnet steel, improve the reliability of the magnetic circuit system of described receiver.On the other hand, because the stability of described magnetic gap, the mixed magnetic circuit of also guaranteeing described main magnet steel and secondary magnet steel and being built up has stable magnetic field, described kink directly extends to form from the body of described lower plate, and processing is simple, and is easy to assembly, described kink of while and described lower plate integrative-structure, avoid adopting extra element to fix the magnetic force loss that described secondary magnet steel is brought, improve the magnetic field intensity of multipath magnetic circuit module, effectively improve the frequency response width and the acoustical quality of receiver.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings, wherein:
Fig. 1 assembles schematic diagram with the solid of a kind of receiver of the utility model;
Fig. 2 is the three-dimensional decomposition texture schematic diagram of receiver shown in Figure 1;
Fig. 3 is the planar structure schematic diagram of lower plate in the receiver shown in Figure 2;
Fig. 4 is the perspective exploded view of multipath magnetic circuit module in the receiver shown in Figure 2;
Fig. 5 is the magnetic structure schematic diagram in the receiver shown in Figure 2;
Fig. 6 is that receiver lower plate shown in Figure 2 cooperates schematic perspective view with magnet steel.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Please consult Fig. 1 and Fig. 2 simultaneously, wherein Fig. 1 is the solid assembling schematic diagram of the utility model receiver one better embodiment, and Fig. 2 is the perspective exploded view of receiver shown in Figure 1.Described receiver 2 comprises framework 20, lower plate 21, train wheel bridge 23, multipath magnetic circuit module 25, two weld tabs 27 and two Elastic Contact terminals 29.
Described framework 20 is annular frames that surrounded by sidewall 201, and it has hollow structure.The sidewall 201 end to end receiving spaces that surround both ends open of described framework 20, described multipath magnetic circuit module 25 correspondences are housed in the receiving space of described framework 20.
Described lower plate 21 is oppositely arranged with train wheel bridge 23, and the corresponding respectively opening part that covers the receiving space that is located at described framework 20, so surrounds the operatic tunes of described receiver 2.
Described weld tabs 27 is arranged on described lower plate 21 outsides, and by described Elastic Contact terminal 29 flexible fastenings to described framework 20 and described lower plate 21.Described weld tabs 27 is realized and the corresponding electrical connection of described multipath magnetic circuit module by lead-in wire.Described Elastic Contact terminal 29 and described weld tabs 27 corresponding electrical connections, simultaneously, the described weld tabs 27 of described Elastic Contact terminal 29 clampings is fixed to described lower plate 21.Described Elastic Contact terminal 29 is used for being connected with external circuit, thereby the drive signal of transmission correspondence is to described receiver 2.
The planar structure of described lower plate 21 as shown in Figure 3, described lower plate 21 whole rectangular flat boards, it comprises body 211, two through holes 213 and a plurality of kink 215.Described through hole 213 is circular, run through the fringe region of described body 211, and the center line of the described relatively body 211 of two through holes 213 is symmetrical arranged.Described kink 215 is arranged on described through hole 213 edges, its body 211 from described lower plate 21 extends to form, its bearing of trend is towards described operatic tunes inboard, and the angle between described kink 215 bearing of trends and the plane, described lower plate 21 place is provided with in obtuse angle.
In the present embodiment, the quantity of described kink 215 is four, be respectively first kink 2151, second kink 2152, the 3rd kink 2153 and the 4th kink 2154, described first kink 2151 and second kink 2152 are arranged on the same side of described body 211, form one group, described the 3rd kink 2153 and the 4th kink 2154 are arranged on the opposite side of described body 211, form another group.The center line of the described relatively body 211 of described four kinks 215 is provided with axisymmetricly.
Described multipath magnetic circuit module 25 is phonation units, and its correspondence is housed in the described operatic tunes, and concrete structure as shown in Figure 4.
Described multipath magnetic circuit module 25 comprises main magnet steel 251, second mate's magnet steel 253, pole piece 255 and vibration unit 257.Described main magnet steel 251 and described second mate's magnet steel 253 are arranged on described lower plate 21 and close on described operatic tunes side surface.The described main magnet steel 251 corresponding folded centers that are located at described lower plate 21 bodies 211 are provided with, and the center of described main magnet steel 251 is consistent with the center in the vertical direction of described lower plate 21.The fringe region setting of described second mate's magnet steel 253 corresponding described lower plates 21 is symmetricly set on the both sides of described main magnet steel 251, forms a gap between the outer surface of each secondary magnet steel 253 and described main magnet steel 251, and promptly magnetic gap 252.The magnetic pole of described main magnet steel 251 is provided with direction and the magnetic pole of described secondary magnetic pole 253, and that direction is set is opposite, and promptly polarity is opposite, specifically as shown in Figure 5.Described main magnet steel 251 produces magnetic field in the enclosure, forms a magnetic circuit.Described secondary magnet steel 253 is arranged on described main magnet steel 251 outsides, described secondary magnet steel 253 produces another magnetic field, form second magnetic circuit, the pole polarity that described main magnet steel 251 and secondary magnet 253 are set oppositely is provided with, the magnetic field of two magnetic circuits is strengthened each other, form the mixed magnetic field that magnetic field superposes in the same way, so the magnetic of mixed magnetic field is than much bigger by the magnetic field magnetic of magnet master magnet steel 251 generations merely.Corresponding respectively superimposed described main magnet steel 251 and secondary magnet steel 243 surfaces of being arranged on of described pole piece 255.
Described vibration unit 257 comprises the voice coil loudspeaker voice coil 2571 that is suspended in the described magnetic gap 252, and it realizes being electrically connected by between lead-in wire and the described weld tabs 27.When feeding audio electrical signal in the described vibration unit 257, vibration back and forth in the mixed magnetic field that magnetic field intensity strengthens, the amplitude that described voice coil loudspeaker voice coil 2571 promotes the vibrating diaphragm vibration is bigger, frequency response is wideer, and sound is abundanter.
When the described receiver 2 of assembling, the fit structure of described multipath magnetic circuit module 25 and described lower plate 21 as shown in Figure 6.Described main magnet steel 251 correspondences are arranged on the central area of described lower plate 21.Described second mate's magnet steel 253 corresponding folded fringe regions that are located at described lower plate 21, corresponding respectively wherein one group two kinks, 271 folders in the two ends of each secondary magnet steel 253 are established, it is the wherein outer surface of a secondary magnet steel 253 of described first kink 2151, second kink, 2152 butts, described another group kink 215, it is the outer surface of described the 3rd kink 2153, the 4th kink 2154 common another secondary magnet steel 253 of butt, and the described secondary magnet steel 253 of the inner surface clamping that cooperates described framework 20, realize described secondary magnet steel 253 fixing in horizontal plane.The fixing described secondary magnet steel of described kink 215 253 is at fore-and-aft direction, and described kink 215 cooperates described framework 20 at the fixing described secondary magnet steel 253 of left and right directions.
When described receiver 2 was worked, the external drive signal transferred to described weld tabs 27 by described elasticity butt terminal 29, and described weld tabs 27 transfers to voice coil loudspeaker voice coil 2571 by lead-in wire, drove described multipath magnetic circuit module 25 work.The voice coil loudspeaker voice coil 2571 of described vibration unit 257 produces induced field, itself and described main magnet steel 251 interact with the fixed magnetic field that secondary magnet steel 253 is produced, produce active force to described voice coil loudspeaker voice coil 2571, the corresponding reciprocating motion under the drive of described voice coil loudspeaker voice coil 2571 of described vibration unit 257 drives described receiver 2 and produces voice signal.
In the receiver 2 of present embodiment, fringe region at described lower plate 21 is provided with kink 215, and described kink 215 directly is bent to form towards operatic tunes inboard from described lower plate 21, and itself and described lower plate 21 are one-body molded, reduce and adopt extra retaining element to fix ease of assembly.At first, because the described secondary magnet steel 253 of described kink 215 clampings cooperates the sidewall of described framework 20 to fix described secondary magnet steel 253, reliability there is great raising.Secondly, described kink 215 is self to extend to form from described lower plate 21, itself and described lower plate 217 are integrative-structure, avoid using extra retaining element, so the destruction of 217 pairs of lower plates 21 of kink is little, do not lose the magnetic conduction amount, little to the loss of magnetic circuit performance, improve frequency response width and acoustical quality.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical field, all in like manner be included in the scope of patent protection of the present utility model.
Claims (8)
1. receiver comprises:
Framework comprises a plurality of sidewalls;
The multipath magnetic circuit module comprises the main magnet steel and the secondary magnet steel that are provided with at interval;
Lower plate, the sidewall of the described framework of corresponding matching surrounds the operatic tunes to accommodate described multipath magnetic circuit module, it is characterized in that: described lower plate comprises body and a plurality of kink, described kink extends to form from described body bending, be provided with in obtuse angle between described kink and the described body, and the described secondary magnet steel of butt.
2. receiver according to claim 1 is characterized in that, described kink quantity is four, is separately positioned on the end of described lower plate, and the center line of described relatively body is and is symmetrical arranged.
3. receiver according to claim 2 is characterized in that, described secondary magnet steel is two, and it is symmetricly set on two opposite sides of described main magnet steel, and and described main magnet steel between form two magnetic gap.
4. receiver according to claim 2 is characterized in that described lower plate also comprises through hole, described through hole is located at the end of described body, near and between two adjacent kinks, two kinks are set each through hole, and the described relatively through hole of the described kink setting that is centrosymmetric.
5. receiver according to claim 3, it is characterized in that, described multipath magnetic circuit module comprises voice coil loudspeaker voice coil, described receiver also comprises the weld tabs and the Elastic Contact terminal of mutual electrical connection, described voice coil loudspeaker voice coil is suspended between described main magnet steel and the secondary magnet steel, described weld tabs is by the corresponding electrical connection with described voice coil loudspeaker voice coil of lead-in wire, and transmission of electric signals is to described multipath magnetic circuit module.
6. receiver according to claim 5 is characterized in that, described weld tabs lid is established described through hole, and described Elastic Contact terminal runs through described through hole, and the described weld tabs of clamping is to described lower plate.
7. receiver according to claim 1 is characterized in that, described multipath magnetic circuit module also comprises pole piece, its folded respectively being located on described main magnet steel and the described secondary magnet steel, and correspondence is housed in the described operatic tunes.
8. receiver according to claim 1 is characterized in that described receiver also comprises train wheel bridge, and the described relatively lower plate setting of described train wheel bridge cooperates described lower plate and described framework to surround the described operatic tunes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220721518 CN203086665U (en) | 2012-12-24 | 2012-12-24 | Receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220721518 CN203086665U (en) | 2012-12-24 | 2012-12-24 | Receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086665U true CN203086665U (en) | 2013-07-24 |
Family
ID=48832465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220721518 Expired - Fee Related CN203086665U (en) | 2012-12-24 | 2012-12-24 | Receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203086665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277706A (en) * | 2017-04-15 | 2017-10-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2019000537A1 (en) * | 2017-06-30 | 2019-01-03 | 歌尔股份有限公司 | Speaker monomer |
-
2012
- 2012-12-24 CN CN 201220721518 patent/CN203086665U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107277706A (en) * | 2017-04-15 | 2017-10-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN107277706B (en) * | 2017-04-15 | 2020-05-29 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2019000537A1 (en) * | 2017-06-30 | 2019-01-03 | 歌尔股份有限公司 | Speaker monomer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20211224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |