CN105491491A - Loudspeaker and magnet assembly thereof - Google Patents
Loudspeaker and magnet assembly thereof Download PDFInfo
- Publication number
- CN105491491A CN105491491A CN201610051027.2A CN201610051027A CN105491491A CN 105491491 A CN105491491 A CN 105491491A CN 201610051027 A CN201610051027 A CN 201610051027A CN 105491491 A CN105491491 A CN 105491491A
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- Prior art keywords
- magnet
- iron
- shaped
- loud speaker
- hole
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
Abstract
The invention discloses a loudspeaker and a magnet assembly thereof. The magnet assembly comprises a first magnet, a second magnet and T-shaped iron. The T-shaped iron has a transverse portion ad a vertical portion. The second magnet is equipped with a first through hole, and the vertical portion of the T-shaped iron is inserted into the first through hole and extends out of the second magnet. The transverse portion of the T-shaped iron is attached to the second magnet. The first magnet is arranged on the transverse portion of the T-shaped iron. The magnet assembly also comprises U-shaped iron and a U-shaped washer. The U-shaped iron and the U-shaped washer are buckled to each other, and an accommodation space for accommodating the first magnet, the second magnet and the T-shaped iron is formed therein. The magnet assembly further comprises a voice coil, which is inserted into a second through hole, extends out of the second through hole and is inserted into the first through hole. The U-shaped iron and the U-shaped washer are additionally adopted to form the accommodation space for accommodating the first magnet, the second magnet and the T-shaped iron, so magnetic lines of the magnet assembly become more uniform. Moreover, magnetic lines are increased, which means that the magnetic flux is increased, magnetic leakage is minimized, and the loudspeaker will not be distorted.
Description
Technical field
The present invention relates to loudspeaker technical field, particularly a kind of loud speaker and magnet assemblies thereof.
Background technology
Loud speaker (also claiming loudspeaker) is a device the weakest in stereo set, and for acoustics, it is again most important parts.Operationally, audio-frequency electric is by electromagnetism, and piezoelectricity or electrostatic effect, make its cone or diaphragm vibration and produce with ambient air resonate (sympathetic response) and sound.
Loud speaker generally comprises magnet assemblies 1, centring disk, frame, cone, dust cap etc., and as shown in Figure 1, magnet assemblies 1 comprises the first magnet 11, second magnet 12, T-shaped iron 13 and washer 15.Described T-shaped iron 13 has transverse part 131 and longitudinal part 132, described second magnet is provided with the first through hole 121, described washer 15 is provided with the second through hole 151, the longitudinal part 132 of described T-shaped iron 13 to insert in described first through hole 121 and stretches out outside the second magnet 12, and inserts described second through hole 151.Described voice coil loudspeaker voice coil 16 inserts the second through hole 151, and stretches out the second through hole 151, and inserts the first through hole 121.The transverse part 131 of described T-shaped iron 13 is affixed on described second magnet 12.Another kind of single magnetic speaker does not have the first magnet 11, as shown in Figure 3.Shown in existing two kinds of loud speaker magnetic line of force corresponding diagram 2 and Fig. 4, the common defect of these two kinds of loud speakers is: magnetic line of force skewness, magnetic density is little and leakage field is large, when causing loud speaker sounding, sound is little, distortion is large and affect other electronics because of leakage field conference and/or plant equipment normally works.
Thus prior art need to improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of loud speaker and magnet assemblies thereof, the magnetic flux of magnet assemblies can be increased, reduce leakage field, and the magnetic line of force is evenly distributed.
In order to achieve the above object, this invention takes following technical scheme:
A kind of magnet assemblies of loud speaker, comprise the first magnet, the second magnet and T-shaped iron, described T-shaped iron has transverse part and longitudinal part, described second magnet is provided with the first through hole, the longitudinal part of described T-shaped iron to insert in described first through hole and stretches out outside the second magnet, the transverse part of described T-shaped iron is affixed on described second magnet, and described first magnet is arranged on the transverse part of described T-shaped iron; Described magnet assemblies also comprises for increasing magnetic flux density and the U-iron and the U-shaped washer that reduce leakage field, described U-iron and U-shaped washer cover, its inner accommodation space formed for holding the first magnet, the second magnet and T-shaped iron, the faying face of described U-iron and U-shaped washer is plane, described U-shaped washer is provided with the second through hole, and the longitudinal part of described T-shaped iron inserts in described second through hole.Described magnet assemblies also comprises voice coil loudspeaker voice coil, and described voice coil loudspeaker voice coil inserts the second through hole, and stretches out the second through hole, and inserts the first through hole.
In the magnet assemblies of described loud speaker, the longitudinal part of described T-shaped iron stretches out the outside of U-shaped washer.
In the magnet assemblies of described loud speaker, the middle part of described U-iron is provided with lower concave part.
In the magnet assemblies of described loud speaker, described U-shaped washer is provided with lower concave part.
In the magnet assemblies of described loud speaker, described U-shaped washer 15 to be arranged upwardly or to the stage portion of lower process.
The magnet assemblies of described loud speaker, also comprise for dispelling the heat and the through hole of air of releasing, described through hole runs through U-iron, the first magnet and T-shaped iron successively.
In the magnet assemblies of described loud speaker, on described U-shaped washer, described second through hole is provided with lead angle.
In the magnet assemblies of described loud speaker, the external diameter of the external diameter of described second magnet, the external diameter of T-shaped iron and the first magnet diminishes successively; Or the external diameter of described second magnet is identical with the external diameter of the first magnet, and is greater than the external diameter of T-shaped iron.
In the magnet assemblies of described loud speaker, the faying face of described U-iron and U-shaped washer is inclined-plane or toothed surface.
In the magnet assemblies of described loud speaker, described U-iron and U-shaped washer are combined by screw thread or snap.
Compared to prior art, loud speaker provided by the invention and magnet assemblies thereof, its magnet assemblies comprises the first magnet, the second magnet and T-shaped iron, described T-shaped iron has transverse part and longitudinal part, described second magnet is provided with the first through hole, the longitudinal part of described T-shaped iron to insert in described first through hole and stretches out outside the second magnet, and the transverse part of described T-shaped iron is affixed on described second magnet, and described first magnet is arranged on the transverse part of described T-shaped iron.Described magnet assemblies also comprises for increasing magnetic flux density and the U-iron and the U-shaped washer that reduce leakage field, described U-iron and U-shaped washer cover, its inner accommodation space formed for holding the first magnet, the second magnet and T-shaped iron, the faying face of described U-iron and U-shaped washer is plane, described U-shaped washer is provided with the second through hole, and the longitudinal part of described T-shaped iron inserts in described second through hole.Described magnet assemblies also comprises voice coil loudspeaker voice coil, and described voice coil loudspeaker voice coil inserts the second through hole, and stretches out the second through hole, and inserts the first through hole.The present invention is by increasing the accommodation space of U-iron and U-shaped washer formation placement first magnet, the second magnet and T-shaped iron, make the magnetic line of force of magnet assemblies evenly, and add the magnetic line of force, namely add magnetic flux, decrease leakage field, loud speaker sounding can not distortion, improves the acoustical quality of loud speaker.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of the magnet assemblies of existing a kind of loud speaker.
Fig. 2 is the schematic diagram of the magnetic line of force of the magnet assemblies of existing a kind of loud speaker.
Fig. 3 is the cross section structure schematic diagram of the magnet assemblies of existing another kind of loud speaker.
Fig. 4 is the schematic diagram of the magnetic line of force of the magnet assemblies of existing another kind of loud speaker.
Fig. 5 A is the cross section structure schematic diagram of loud speaker provided by the invention.
Fig. 5 B is the 3D cross section structure schematic diagram of loud speaker provided by the invention.
Fig. 6 is the magnetic pole schematic diagram of the magnet assemblies of loud speaker provided by the invention.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Fig. 7 provides for first embodiment of the invention.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Fig. 8 provides for second embodiment of the invention.
The magnetic line of force schematic diagram of the magnet assemblies of the loud speaker that Fig. 9 provides for second embodiment of the invention.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Figure 10 provides for third embodiment of the invention.
The schematic diagram of the magnetic line of force of the magnet assemblies of the loud speaker that Figure 11 provides for third embodiment of the invention.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Figure 12 A provides for fourth embodiment of the invention.
The schematic diagram of the magnetic line of force of the magnet assemblies of the loud speaker that Figure 12 B provides for fourth embodiment of the invention.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Figure 13 provides for fifth embodiment of the invention.
The schematic diagram of the magnetic line of force of the magnet assemblies of the loud speaker that Figure 14 provides for fifth embodiment of the invention.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Figure 15 provides for sixth embodiment of the invention.
The schematic diagram of the magnetic line of force of the magnet assemblies of the loud speaker that Figure 16 sixth embodiment of the invention provides.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Figure 17 provides for seventh embodiment of the invention.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Figure 18 provides for eighth embodiment of the invention.
The schematic diagram of the magnetic line of force of the magnet assemblies of the loud speaker that Figure 19 provides for eighth embodiment of the invention.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Figure 20 provides for ninth embodiment of the invention.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Figure 21 provides for tenth embodiment of the invention.
The schematic diagram of the magnetic line of force of the magnet assemblies of the loud speaker that Figure 22 provides for tenth embodiment of the invention.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Figure 23 provides for eleventh embodiment of the invention.
The schematic diagram of the magnetic line of force of the magnet assemblies of the loud speaker that Figure 24 provides for eleventh embodiment of the invention.
The cross section structure schematic diagram of the magnet assemblies of the loud speaker that Figure 25 provides for twelveth embodiment of the invention.
Figure 26 A is the cross section structure schematic diagram of U-iron and U-shaped washer faying face in the magnet assemblies of loud speaker provided by the invention.
Figure 26 B is the 3D cross section structure schematic diagram that in the magnet assemblies of loud speaker provided by the invention, U-iron and U-shaped washer adopt engagement thread to combine.
Figure 26 C is the 3D cross section structure schematic diagram that in the magnet assemblies of loud speaker provided by the invention, U-iron and U-shaped washer adopt snap to combine.
The cross section structure schematic diagram of the loud speaker that Figure 27 provides for the present invention first Application Example.
The cross section structure schematic diagram of the loud speaker that Figure 28 provides for the present invention second Application Example.
The cross section structure schematic diagram of the loud speaker that Figure 29 provides for the present invention the 3rd Application Example.
Embodiment
The invention provides a kind of loud speaker and magnet assemblies thereof, for making object of the present invention, technical scheme and effect clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 5 A and 5B, loud speaker provided by the invention comprises magnet assemblies 1, dust cap 2, plays ripple 3, frame 4, basin paper 5 etc.A part and the magnet assemblies 1 of described frame 4 are fixed, the inside of frame 4 arranges basin paper 5, described dust cap 2 covers on basin paper 5, playing ripple 3 is arranged in frame 4, for the position of the voice coil loudspeaker voice coil 16 in magnet assemblies 1, when the voice coil loudspeaker voice coil 16 in magnet assemblies 1 inputs alternation tone currents, voice coil loudspeaker voice coil 16 is subject to an alternation motive force and produces alternate motion, drive cone vibrates, and repeatedly promotes air and sounding.
See also Fig. 6, described magnet assemblies 1 comprises the first magnet 11, second magnet 12 and T-shaped iron 13, described T-shaped iron 13 has transverse part 131 and longitudinal part 132, described second magnet 12 is provided with the first through hole 121, the longitudinal part 132 of described T-shaped iron 13 to insert in described first through hole 121 and stretches out outside the second magnet 12, the transverse part 131 of described T-shaped iron 13 is affixed on described second magnet 12, and described first magnet 11 is arranged on the transverse part 131 of described T-shaped iron 13.In figure 6, N represents the arctic of magnet, and S represents the South Pole of magnet.
Shown in described Fig. 6, described magnet assemblies 1 also comprises for increasing magnetic flux density and the U-iron 14 and the U-shaped washer 15 that reduce leakage field, described U-iron 14 and U-shaped washer 15 cover, its inner accommodation space 17 formed for holding the first magnet 11, second magnet 12 and T-shaped iron 13, described U-shaped washer 15 is provided with the second through hole 151, and the longitudinal part 132 of described T-shaped iron 13 inserts in described second through hole 151.Described magnet assemblies 1 also comprises voice coil loudspeaker voice coil 16, and described voice coil loudspeaker voice coil 16 inserts the second through hole 151, and stretches out the second through hole 151, and inserts the first through hole 121.Particularly, described U-iron 14 and U-shaped washer 15 are magnetic conductor, combined by plane between described U-iron 14 and U-shaped washer 15, can be combined by inclined-plane or toothed surface between described U-iron 14 and U-shaped washer 15, can also be combined by the mode such as screw thread or buckle between described U-iron 14 and U-shaped washer 15, as shown in a to f in Figure 26 A, wherein a, b, c, d is respectively between described U-iron 14 and U-shaped washer 15 and passes through inclined-plane, the flank of tooth of pointed shape, the flank of tooth of square, the cross section structure schematic diagram of the flank of tooth combination of another kind of square, wherein e and f is respectively the cross section structure schematic diagram by screw thread and snap combination between described U-iron 14 and U-shaped washer 15.Figure 26 B is depicted as the 3D cross section structure schematic diagram threadedly combined between described U-iron 14 and U-shaped washer 15.Figure 26 C is depicted as between described U-iron 14 and U-shaped washer 15 by 3D cross section structure schematic diagram that snap combines.The problem of the operation inconvenience that U-iron 14 and U-shaped washer 15 cause because of magnetic repellence when the combination of described screw thread or buckle can solve operation.
The present invention forms the accommodation space 17 of placement first magnet 11, second magnet 12 and T-shaped iron 13 by increase U-iron 14 and U-shaped washer 15, make the magnetic line of force of magnet assemblies 1 evenly, and add the magnetic line of force, namely add magnetic flux, decrease leakage field, loud speaker sounding can not distortion, improve the acoustical quality of loud speaker, as shown in Figure 9, the present invention compares with Fig. 2 with Fig. 4, through the magnetic line of force of voice coil loudspeaker voice coil than the magnet assemblies more than 1 shown in Fig. 22, through the magnetic line of force of voice coil loudspeaker voice coil than the magnet assemblies more than 1 shown in Fig. 43.
In order to promote magnetic density and reduce leakage field, the middle part of described U-iron 14 there is recessed recess or on U-shaped washer 15, be provided with lower concave part or arrange upwardly on U-shaped washer 15 or to lower process stage portion or make the longitudinal part 132 of described T-shaped iron 13 stretch out U-shaped washer 15 outside, again or on described U-shaped washer, offer lead angle in described second through hole.
The present invention can do various deformation to magnet assemblies 1, with the needs of satisfied different magnetic flux density, specific as follows:
See also Fig. 7, in the first embodiment of the present invention, the external diameter of the described external diameter of the second magnet 12, the external diameter of T-shaped iron 13 and the first magnet 11 diminishes successively, thus can strengthen the magnetic flux density of magnet assemblies 1 further and provide the effect of magnetic-leakage preventing.
See also Fig. 8, in the second embodiment of the present invention, first magnet 11, second magnet 12 also can be set to T-shaped iron 13: the external diameter of described second magnet 12 is identical with the external diameter of the first magnet 11, and is greater than the external diameter of T-shaped iron 13, as shown in Figure 8, this structure can add first mate's magnetic, further enhancing magnetic flux density, and the magnetic line of force is even, and its magnetic line of force is as shown in Figure 9, its magnetic field intensity is about 1.4 times of magnet assemblies shown in Fig. 1, and magnetic field intensity strengthens greatly.
See also Figure 10, in the third embodiment of the present invention, the middle part of described U-iron 14 has recessed recess 140, can promote magnetic circuit efficiency by this recess 140 structure, further strengthen magnetic flux density and also leakage field little, its magnetic chart line is as shown in figure 11.In the third embodiment of the present invention, the thickness of U-iron 14 various piece is identical, namely when middle subordinate the upper surface of U-iron 14 and lower surface simultaneously recessed.
See also Figure 12 A, the difference of the fourth embodiment of the present invention compared with the second embodiment is only, the longitudinal part 132 of T-shaped iron 13 stretches out the outside of U-shaped washer 15, this structure can make the magnetic line of force evenly, further reduction loudspeaker distortions, but leakage field can be made to become large, and its magnetic line of force as shown in Figure 12 B.
See also Figure 13, the difference of the fifth embodiment of the present invention compared with the 3rd embodiment is only, the longitudinal part 132 of T-shaped iron 13 stretches out the outside of U-shaped washer 15, and this structure can promote magnetic density, reduce leakage field, but leakage field is still relatively large, its magnetic line of force as shown in figure 14.
See also Figure 15, the difference of the sixth embodiment of the present invention compared with the 4th embodiment is only, U-shaped washer 15 has the first lower concave part 152, described first lower concave part 152 is positioned at the both sides, bottom surface of U-shaped washer 15, and around described longitudinal part 132 1 weeks, can the magnetic line of force be made evenly, promote magnetic density, reduce leakage field, its magnetic line of force as shown in figure 16.In the sixth embodiment of the present invention, the thickness of U-shaped washer 15 various piece is identical, namely when middle part is recessed the upper surface of U-shaped washer 15 and lower surface simultaneously recessed.
See also Figure 17, the difference of the seventh embodiment of the present invention compared with the 4th embodiment is only, U-shaped washer 15 has the first end difference 153 upwardly, described first end difference 153 be positioned at U-shaped washer 15 bottom center and around described longitudinal part 132 1 weeks, can the magnetic line of force be made evenly, promote magnetic density, reduce leakage field.In the seventh embodiment of the present invention, the thickness of U-shaped washer 15 various piece is identical, and namely when middle part epirelief, the upper surface of U-shaped washer 15 and lower surface be upwardly simultaneously.
See also Figure 18, the difference of the eighth embodiment of the present invention compared with the 4th embodiment is only, the bottom surface inwall of described U-shaped washer 15 is provided with the second lower concave part 154, the bottom surface outer wall of described U-shaped washer 15 is provided with the second end difference 155, namely the bottom surface inwall of U-shaped washer 15 is below, the bottom surface outer wall of U-shaped washer 15 protrudes a step downwards, and described second through hole is provided with the first lead angle 156, this structure can promote magnetic density further, further minimizing leakage field, its magnetic line of force as shown in figure 19.
See also Figure 20, the difference of the ninth embodiment of the present invention compared with the 4th embodiment is only, the bottom surface inwall of described U-shaped washer 15 is provided with the 3rd end difference 157, the i.e. bottom surface inwall of U-shaped washer 15 step protruding upward, and described second through hole is provided with the second lead angle 158, this structure can promote magnetic density equally further, reduces leakage field.
See also Figure 21, the tenth embodiment of the present invention is the 5th embodiment and the 6th combination implemented, the middle part of described U-iron 14 has recessed recess 140, can promote magnetic circuit efficiency, described U-shaped washer 15 has the first lower concave part 152 by this recess 140 structure, described first lower concave part 152 is positioned at the both sides, bottom surface of U-shaped washer 15, and around described longitudinal part 132 1 weeks, can magnetic density be promoted, reduce leakage field, its magnetic line of force as shown in figure 22.In the tenth embodiment of the present invention, the thickness of U-shaped washer 15 various piece is identical, and namely when middle part epirelief, the upper surface of U-shaped washer 15 and lower surface be upwardly simultaneously.
See also Figure 23, the 11st embodiment of the present invention is the 5th embodiment and the 6th combination implemented, the middle part of described U-iron 14 has recessed recess 140, magnetic circuit efficiency can be promoted by this recess 140 structure, the bottom surface inwall of described U-shaped washer 15 is provided with the second lower concave part 154, the bottom surface outer wall of described U-shaped washer 15 is provided with the second end difference 155, namely the bottom surface inwall of U-shaped washer 15 is below, the bottom surface outer wall of U-shaped washer 15 protrudes a step downwards, and described second through hole is provided with the first lead angle 156, this structure can promote magnetic density further, make the magnetic line of force intensive, leakage field is little, its magnetic line of force as shown in figure 24, its magnetic field intensity is about 1.2 times of the second preferred embodiment, compare present technology, magnetic field intensity strengthens greatly.
See also Figure 25, the 12nd embodiment of the present invention arranges a through hole 20 on the basis of the first to the 11 embodiment, this through hole 20 runs through U-iron 14, first magnet 11, T-shaped iron 13 and U-shaped washer 15 successively, plays the effect of release air and heat radiation.
The present invention is also corresponding provides a kind of loud speaker, and described loud speaker is high-frequency horn, plate speaker or resonant horn.As Figure 27, Figure 28 and Figure 29, described loud speaker comprises voice coil loudspeaker voice coil and described magnet assemblies, and described voice coil loudspeaker voice coil is sheathed on the longitudinal part of T-shaped iron of described magnet assemblies.Wherein, Figure 27 is high-frequency horn, and Figure 28 is plate speaker, and Figure 29 is resonant horn, and the resonance media of resonant horn comprises: the desktop that the materials such as wooden, glass, plastic cement, metal make or door.The magnet assemblies 1 of three kinds of loudspeaker is identical, and other part of loudspeaker is prior art, is not described further herein.
In sum, the present invention is by increasing the accommodation space of U-iron and U-shaped washer formation placement first magnet, the second magnet and T-shaped iron, make the magnetic line of force of magnet assemblies evenly, and add the magnetic line of force, namely add magnetic flux, decrease leakage field, loud speaker sounding can not distortion, improves the acoustical quality of loud speaker.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection range that all should belong to the claim appended by the present invention.
Claims (10)
1. the magnet assemblies of a loud speaker, comprise the first magnet, the second magnet and T-shaped iron, described T-shaped iron has transverse part and longitudinal part, described second magnet is provided with the first through hole, the longitudinal part of described T-shaped iron to insert in described first through hole and stretches out outside the second magnet, the transverse part of described T-shaped iron is affixed on described second magnet, and described first magnet is arranged on the transverse part of described T-shaped iron; It is characterized in that, described magnet assemblies also comprises for increasing magnetic flux density and the U-iron and the U-shaped washer that reduce leakage field, described U-iron and U-shaped washer cover, its inner accommodation space formed for holding the first magnet, the second magnet and T-shaped iron, the faying face of described U-iron and U-shaped washer is plane, described U-shaped washer is provided with the second through hole, and the longitudinal part of described T-shaped iron inserts in described second through hole.Described magnet assemblies also comprises voice coil loudspeaker voice coil, and described voice coil loudspeaker voice coil inserts the second through hole, and stretches out the second through hole, and inserts the first through hole.
2. the magnet assemblies of loud speaker according to claim 1, is characterized in that, the longitudinal part of described T-shaped iron stretches out the outside of U-shaped washer.
3. the magnet assemblies of loud speaker according to claim 1, is characterized in that, the middle part of described U-iron has lower concave part.
4. the magnet assemblies of loud speaker according to claim 1, is characterized in that, described U-shaped washer is provided with lower concave part.
5. the magnet assemblies of loud speaker according to claim 1, is characterized in that, described U-shaped washer is arranged upwardly or to the stage portion of lower process.
6. the magnet assemblies of loud speaker according to claim 1, is characterized in that, also comprise for dispelling the heat and the through hole of air of releasing, described through hole runs through U-iron, the first magnet, T-shaped iron and U-shaped washer successively.
7. the magnet assemblies of loud speaker according to claim 1, is characterized in that, on described U-shaped washer, described second through hole is provided with lead angle.
8. the magnet assemblies of loud speaker according to claim 1, is characterized in that, the external diameter of the external diameter of described second magnet, the external diameter of T-shaped iron and the first magnet diminishes successively; Or the external diameter of described second magnet is identical with the external diameter of the first magnet, and is greater than the external diameter of T-shaped iron.
9. the magnet assemblies of loud speaker according to claim 1, is characterized in that, the faying face of described U-iron and U-shaped washer is inclined-plane or toothed surface.
10. the magnet assemblies of loud speaker according to claim 1, is characterized in that, in the magnet assemblies of described loud speaker, described U-iron and U-shaped washer are combined by screw thread or snap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610051027.2A CN105491491A (en) | 2016-01-26 | 2016-01-26 | Loudspeaker and magnet assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610051027.2A CN105491491A (en) | 2016-01-26 | 2016-01-26 | Loudspeaker and magnet assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105491491A true CN105491491A (en) | 2016-04-13 |
Family
ID=55678144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610051027.2A Pending CN105491491A (en) | 2016-01-26 | 2016-01-26 | Loudspeaker and magnet assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105491491A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231482A (en) * | 2016-08-12 | 2016-12-14 | 苏州秀转电子有限公司 | The vehicle audio of high cooling efficiency |
| CN106792392A (en) * | 2017-01-16 | 2017-05-31 | 深圳市信维通信股份有限公司 | A kind of horn magnetic circuit structure and its assemble method |
| WO2021205295A1 (en) | 2020-04-08 | 2021-10-14 | OLTRAMARE, Michel | Dual axial magnetic flux induction speaker |
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| EP1395082A2 (en) * | 2002-08-28 | 2004-03-03 | Minebea Co., Ltd. | Magnetic circuit for speaker with short-circuiting ring |
| KR20050079059A (en) * | 2004-02-04 | 2005-08-09 | 에스텍 주식회사 | Speaker |
| CN101044787A (en) * | 2004-10-18 | 2007-09-26 | 金成培 | Magnetic circuit having dual magnets, speaker and vibration generating apparatus using the same |
| CN205378207U (en) * | 2016-01-26 | 2016-07-06 | 深圳市赛音微电子有限公司 | Speaker and magnet subassembly thereof |
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2016
- 2016-01-26 CN CN201610051027.2A patent/CN105491491A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0898295A (en) * | 1994-09-26 | 1996-04-12 | Sony Corp | Magnetically shielded loudspeaker |
| JP2000188797A (en) * | 1998-12-22 | 2000-07-04 | Sony Corp | Speaker |
| EP1395082A2 (en) * | 2002-08-28 | 2004-03-03 | Minebea Co., Ltd. | Magnetic circuit for speaker with short-circuiting ring |
| KR20050079059A (en) * | 2004-02-04 | 2005-08-09 | 에스텍 주식회사 | Speaker |
| CN101044787A (en) * | 2004-10-18 | 2007-09-26 | 金成培 | Magnetic circuit having dual magnets, speaker and vibration generating apparatus using the same |
| CN205378207U (en) * | 2016-01-26 | 2016-07-06 | 深圳市赛音微电子有限公司 | Speaker and magnet subassembly thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106231482A (en) * | 2016-08-12 | 2016-12-14 | 苏州秀转电子有限公司 | The vehicle audio of high cooling efficiency |
| CN106231482B (en) * | 2016-08-12 | 2019-10-18 | 苏州秀转电子有限公司 | The vehicle audio of high cooling efficiency |
| CN106792392A (en) * | 2017-01-16 | 2017-05-31 | 深圳市信维通信股份有限公司 | A kind of horn magnetic circuit structure and its assemble method |
| WO2021205295A1 (en) | 2020-04-08 | 2021-10-14 | OLTRAMARE, Michel | Dual axial magnetic flux induction speaker |
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