CN101213868A - Speaker, speaker device using the speaker, and electronic equipment and vehicle using the speaker - Google Patents
Speaker, speaker device using the speaker, and electronic equipment and vehicle using the speaker Download PDFInfo
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- CN101213868A CN101213868A CNA2007800000531A CN200780000053A CN101213868A CN 101213868 A CN101213868 A CN 101213868A CN A2007800000531 A CNA2007800000531 A CN A2007800000531A CN 200780000053 A CN200780000053 A CN 200780000053A CN 101213868 A CN101213868 A CN 101213868A
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- Prior art keywords
- loud speaker
- combined
- pressure
- pressure adjustment
- lower panel
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 30
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 230000004308 accommodation Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 9
- 230000035699 permeability Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 24
- 238000010521 absorption reaction Methods 0.000 description 8
- 230000003247 decreasing effect Effects 0.000 description 8
- 230000004087 circulation Effects 0.000 description 4
- 238000000280 densification Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000007767 bonding agent Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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Abstract
According to the present invention, there is provided a speaker for use in audio/video apparatuses and a small-sized speaker device capable of realizing preferable reproduction of bass sounds. In order to attain this, in the present invention, a pressure adjusting body is coupled to a portion of a magnetic circuit or a frame, which is a component of a speaker unit, to constitute the speaker unit. The speaker unit is mounted to a small-sized cabinet to constitute a speaker device, which enables realization of preferable reproduction of bass sounds.
Description
Technical field
The loud speaker and the speaker unit that the present invention relates to use in various stereo sets and information communication device etc. also have electronic equipment and device, more particularly, relate to small-sized loudspeaker enclosure (speaker cabinet) and realize the raising of sound pressure level and the loud speaker of low-frequency sound reproducing.
Background technology
The market trends of nearest audio frequency are, along with the popularizing of digital audio-frequency apparatus that with DVD is representative, high-quality reproduction countermeasure becomes indispensable.
In addition, be in the communications field of representative with the portable terminal, also be strict with substantialization of function and miniaturization, high-quality reproduction countermeasure.
On the other hand, under the environment of residence status and automobile, be strict with and save space, energy-conservation.
As loud speaker that can satisfy above-mentioned requirements and speaker unit, require exploitation is not only small-sized but also the supper bass reproduction is good loud speaker and speaker unit.
Based on these backgrounds, prior art is described by Figure 15.
Figure 15 is the profile of existing speaker unit.
As shown in figure 15, by case 51, be installed in the loudspeaker unit 52 in this case 51 and be configured in case 52 pressure inside and adjust body 53 and constituted speaker unit 54.
For this speaker unit 54, because its case 51 volumes are little, so under the influence of the sound equipment stability that empty chamber presented of case 51, be difficult to reproduce well bass.
Therefore, in this small-sized speaker unit 54, for reproducing bass well,, be that the pressure of representative is adjusted body 53 with active carbon etc. in the internal configurations of case 51 as means of the problem that solves the low-frequency sound reproducing limit of determining by the case volume.
Then, the action to speaker unit 54 describes.
When loudspeaker unit 52 applies the signal of telecommunication, the pressure in the case 51 change, and disposing with active carbon etc. is that the pressure that the pressure of representative is adjusted the empty chamber of body 53 changes.
The air molecule of following this pressure to change is adjusted body 53 absorption by pressure or is emitted, thereby suppresses the pressure oscillation in the case 51.
Like this, the case 51 of existing speaker unit 54 is as the case of the big volume of equivalence and move.And, though be small-sized case, can be as the low-frequency sound reproducing carrying loudspeaker unit 52 in big case.
And as the information of technical literature formerly of the invention that relates to this application, known have a for example patent documentation 1.
But existing speaker unit 54 is for realizing good low-frequency sound reproducing, and needing to be that the pressure of representative is adjusted the inside that body 53 is configured in case 51 with active carbon etc.
Just there are the following problems for this: with active carbon etc. is cost and the logistics cost thereof that the pressure of representative is adjusted body 53 self, also be useful at production cost of case 51 internal configurations combinations etc., and these processing costs etc. under the situation about need process in the inside of case 51, cause great cost to increase.
Patent documentation 1: the clear 60-500645 communique of Japanese Unexamined Patent Application Publication
Summary of the invention
The present invention is for addressing the above problem, and provides that a kind of to suppress to possess with active carbon etc. be the cost loudspeaker unit that increase, good that the pressure of representative is adjusted the speaker unit of body.
Therefore, loudspeaker unit of the present invention comprises: magnetic circuit; Be combined in the framework on this magnetic circuit; Be combined in the oscillating plate of the peripheral part of this framework; Be combined on this oscillating plate and a part is configured in voice coil loudspeaker voice coil in the magnetic gap of above-mentioned magnetic circuit; And the pressure that is combined on the said frame is adjusted body.
As mentioned above, the present invention adjusts body and constitutes loudspeaker unit in conjunction with pressure on the part of the component parts of loudspeaker unit.
Have, the combining of the combination, oscillating plate that this pressure is adjusted body and voice coil loudspeaker voice coil, oscillating plate and combining of framework etc. are by bonding the carrying out of bonding agent etc. again, but bonding agent etc. can use common product, thereby omit and illustrate and detailed description.In addition, these are in conjunction with not necessarily being limited to the bonding of bonding agent etc., also available screw thread fixing and beyond method carry out.
By this structure, with active carbon etc. be the pressure of representative to adjust body be not to install individually but be combined on the loudspeaker unit when making speaker unit, so the logistics cost that when making speaker unit, can suppress to follow pressure to adjust body and increase in conjunction with the unnecessary cost of cost.
Have again, be attached on the loudspeaker unit because pressure is adjusted body, thus must be disposed at loudspeaker unit inside or near, compare with the position that the loudspeaker unit that is disposed in the case leaves, can reproduce good bass effectively.
Also have, because pressure is adjusted body and is attached on the magnetic circuit or near the framework the magnetic circuit that is positioned at as the loudspeaker unit of heater, so by will be usually easily because of moisture cause the pressure of decreased performance adjust body be attached to the high loudspeaker unit of temperature inside or near, be difficult for absorbing moisture and can prevent decreased performance.
As mentioned above, even the miniature loudspeaker device, the present invention also can suppress to realize good low-frequency sound reproducing when cost increases.
In addition, also can realize the moisture absorption countermeasure of pressure adjustment body, and can realize the improvement of quality, reliability aspect.
Description of drawings
Fig. 1 is the profile of the loud speaker of embodiment of the present invention 1.
Fig. 2 is the profile of second example of the loud speaker of embodiment of the present invention 1.
Fig. 3 is the profile of the 3rd example of the loud speaker of embodiment of the present invention 1.
Fig. 4 is the profile of the 4th example of the loud speaker of embodiment of the present invention 1.
Fig. 5 A is the stereogram of small-sized rectangular speaker.
Fig. 5 B is the profile of small-sized rectangular speaker.
Fig. 6 is the profile of the loud speaker of embodiment of the present invention 2.
Fig. 7 is the profile of second example of the loud speaker of embodiment of the present invention 2.
Fig. 8 is the profile of the 3rd example of the loud speaker of embodiment of the present invention 2.
Fig. 9 is the profile of the 4th example of the loud speaker of embodiment of the present invention 2.
Figure 10 is the profile of the 5th example of the loud speaker of embodiment of the present invention 2.
Figure 11 is the profile of the speaker unit of embodiment of the present invention 3.
Figure 12 is the profile of second example of the speaker unit of embodiment of the present invention 3.
Figure 13 A is the outside drawing of the electronic equipment of embodiment of the present invention 4.
Figure 13 B is the outside drawing of second example of the electronic equipment of embodiment of the present invention 4.
Figure 14 is the profile as the automobile of vehicle of embodiment of the present invention 5.
Figure 15 is the profile of existing speaker unit.
Symbol description
1 magnet; 2 lower panel; The 2A newel; 2B, 4A hole; 3 upper boards; 4 magnetic circuits; 5 magnetic gaps; 6 frameworks; The 6A air vent hole; 7 oscillating plates; 8 voice coil loudspeaker voice coils; 9 pressure are adjusted body; The 9A gap; 10 pressure adjustment component; 11 accommodation sections; 12 closed enclosures; 13 dust caps; 20 bottom magnet; 21 upper magnet; 22A bottom yoke; 22B top yoke; 23 plates; 24 magnetic circuits; 25 magnetic gaps; The 26A lower frame; The 26B upper frame; 27 oscillating plates; 28 voice coil loudspeaker voice coils; 29 fibrous activated carbons; 30 protectors; 31 terminals; 40 loud speakers; 41 casees; 42 amplifiers; 43 players; 44 small-sized combined systems; 45 automobiles; The main body of 46 mobile phones; 47 louvers; 51 casees; 52 loudspeaker units; 53 pressure are adjusted body; 54 speaker units.
Embodiment
Below, use accompanying drawing that embodiments of the present invention are described.
(execution mode 1)
Fig. 1 represents the profile of the loud speaker of embodiment of the present invention 1.
As shown in Figure 1, loud speaker comprises: magnetic circuit 4, and it is made of lower panel 2, the upper board 3 with lower panel 2 opposite sides that is combined in the magnet 1 on this lower panel 2 and is combined in this magnet 1; Be combined in the framework 6 on this magnetic circuit 4; Be combined in the oscillating plate 7 of the peripheral part of this framework 6; Voice coil loudspeaker voice coil 8, it is combined on this oscillating plate 7 and a part is disposed in the magnetic gap 5 of above-mentioned magnetic circuit 4; And the pressure that is combined on the framework 6 is adjusted body 9.Also this loud speaker is called loudspeaker unit.
Here, pressure is shown and adjusts the example that body 9 is combined in the inboard of framework 6.And, adjust at framework 6 and pressure and on the faying face of body 9 gap 9A is set and combines.
By forming structure as described above, thus pressure adjust body 9 and be attached on the loudspeaker unit, therefore when making speaker unit, can suppress pressure and adjust the logistics cost of body 9 and follow unnecessary cost to increase in conjunction with cost.
Have again owing to be attached on the loudspeaker unit, so pressure adjust body 9 be disposed at loudspeaker unit inside or near, compare with the position that the loudspeaker unit that is disposed in the case leaves, can improve sound pressure level and reproduce good bass effectively.
In addition, combine, can make the good pressure of also applying flexibly effectively of circulation of air adjust body 9, and can improve sound pressure level and reproduce good bass effectively by on the faying face of framework 6 and pressure adjustment body 9, gap 9A being set.
Also have, because pressure is adjusted body 9 and is attached to and is present in as near the framework 6 the magnetic circuit 4 of the loudspeaker unit of heater, so by will be usually easily because of moisture cause the pressure of decreased performance adjust body 9 be attached to the high loudspeaker unit of temperature inside or near, thereby be difficult for absorbing moisture and can prevent decreased performance.
Thus, even the miniature loudspeaker device, the present invention also can suppress to realize good low-frequency sound reproducing when cost increases.
In addition, also can realize the moisture absorption countermeasure of pressure adjustment body 9, and can realize the improvement of quality, reliability aspect.
Here, pressure adjustment body 9 is made of the accommodation section 11 of pressure adjustment component 10 and this pressure adjustment component 10, and uses active carbon as pressure adjustment component 10.
In addition, pressure adjustment component 10 is not limited to active carbon, gets final product so long as contain the material of active carbon, can realize good low-frequency sound reproducing by containing active carbon.
In addition, accommodation section 11 is made of the material that nonwoven fabrics etc. has gas permeability, can carry out good low-frequency sound reproducing thus.
On the other hand, under the situation of supposing to use in the many places of moisture, accommodation section 11 is not the material with gas permeability, uses the material that does not have gas permeability effective aspect quality and reliability.
This is because thereby moisture immerses with the active carbon the inner reduction that prevents low territory expansion effect of minute aperture of the pressure adjustment component 10 that is representative.
Fig. 2 is the profile of second example of the loud speaker of embodiment of the present invention 1.The part identical with Fig. 1 is marked with same numeral and omits its explanation.
As shown in Figure 2, also pressure can be adjusted body 9 further covers with the closed enclosure 12 that is imbued with flexibility and constitutes.This also has following effect: the minute aperture of pressure adjustment component 10 is inner to prevent that low territory from enlarging the reduction of effect thereby moisture immerses.
Then, the binding site to pressure adjustment body 9 describes.
In the above description, adjust the binding site of body 9 about pressure, the execution mode when being combined in framework 6 inboard is illustrated, but is not limited to this execution mode, if be combined on the framework 6, then all can everywhere.
Fig. 3 is the profile of the 3rd example of the loud speaker of embodiment of the present invention 1.The part identical with Fig. 1 or Fig. 2 is marked with same numeral and omits its explanation.
As shown in Figure 3, also pressure can be adjusted body 9 and be attached to opposition side framework 6 and faying face magnetic circuit 4.
Under the situation of this structure, owing to be combined in the position of more leaning on as the magnetic circuit 4 of heater, so by will being easy to be attached to the higher position of temperature, thereby being difficult for more absorbing moisture and can preventing decreased performance because of moisture causes the pressure of decreased performance to adjust body 9.
Thus, enlarge the effect, also can realize the raising of quality and reliability except improving sound pressure level and low territory.
Fig. 4 is the profile of the 4th example of the loud speaker of embodiment of the present invention 1.The part identical with Fig. 1～3 is marked with same numeral and omits its explanation.
As shown in Figure 4, also pressure can be adjusted on the air vent hole 6A that body 9 is attached to framework 6.
In this case, can constitute pressure is adjusted body 9 with the mode combination from the air vent hole 6A of outside cover framework 6.
By forming this structure, can utilize pressure to adjust the deflection that body 9 reduces the air of the air vent hole 6A by framework 6, the circulation of air is further increased, thereby very effective.
Thus, the absorption of the moisture of moisture etc. also tails off, and therefore also has the effect that improves quality and reliability.
In addition, though not shown, also can constitute and on framework, be provided with the accommodation section that pressure is adjusted body, in this case, can improve the reliability that combines that pressure is adjusted body and framework.The pressure adjustment body in the time of can improving the production loudspeaker unit and the production efficiency that combines operation of framework are arranged again.
In addition, also can framework is airtight and make its not with use under the state that extraneous air is communicated with, in this case because the absorption of moisture such as moisture also tails off, so can further improve quality and reliability.
Have, it also can be fibrous activated carbon that pressure is adjusted body again, and in this case, in only with the framework of guaranteeing little volume, small-sized Microspeaker or receiver (receiver), even small size, it is also very big that pressure is adjusted effect, produces effect very much.
Fig. 5 is illustrated in the small-sized Microspeaker or receiver that is equipped in the mobile phone etc., uses the pressure that is made of fibrous activated carbon to adjust the example of body.
Fig. 5 A is the stereogram of small-sized rectangular speaker, and Fig. 5 B represents its profile.
Shown in Fig. 5 A, 5B, this rectangular speaker has: bottom magnet 20; Upper magnet 21; Combine the bottom yoke 22A of bottom magnet 20; Combine the top yoke 22B of upper magnet 21; Be combined in the plate 23 on the bottom magnet 20; Magnetic circuit 24; The magnetic gap 25 that forms by bottom magnet 20 and upper magnet 21; Be combined in the lower frame 26A on the yoke 22A of bottom; Be combined in the upper frame 26B on the yoke 22B of top; Be combined in the oscillating plate 27 on bottom yoke 22A and the top yoke 22B; Be combined on the oscillating plate 27 and be configured in voice coil loudspeaker voice coil 28 in the magnetic gap 25 of magnetic circuit 24; Fibrous activated carbon 29; Protector (protector) 30; And terminal 31.
This rectangular speaker constitute help improving space factor, with small-sized, slim sound pressure level and the low-frequency sound reproducing of improving.That is, as mentioned above,, improve the energy of magnetic circuit 24,, realize slimming, miniaturization by in an inclined direction and form magnetic gap 25 with these magnet configuration by having plural magnet (upper magnet 21 and bottom magnet 20).
In addition, form rectangle, improve space factor, magnet by using square or plate 23, yoke magnetic circuit component such as (bottom yoke 22A and top yoke 22B), effectively the applying flexibly and efficient of space of improving magnetic circuit by making outer shape.
In addition, by forming confined space in lower frame 26A, and portion's configuration within it adjusts body by the pressure that fibrous activated carbon 29 constitutes, thereby realizes that the raising of sound pressure level and low territory enlarge.And, owing to form confined space,, therefore can further improve quality and reliability so the absorption of moisture such as moisture also tails off.
Also have, for further realizing the raising of miniaturization and space factor, and will be arranged on the middle body of the upper frame 26B that does not have upper magnet 21 of the joint portion end face of upper magnet 21 to the louver of framework outside, can further realize the raising of miniaturization and space factor thus.
Have again, for terminal 31, also utilize the space of the upper frame 26B that does not have upper magnet 21 of the joint portion end face of upper magnet 21 to be configured, observe the outside that can not be projected into rectangular speaker, can further realize the raising of miniaturization and space factor thus from horizontal plane.
As mentioned above, in small-sized Microspeaker that is equipped on mobile phone etc. or receiver, when further realizing the raising of miniaturization and space factor, usually aspect the characteristic and tonequality of sacrificing for this reason, also, realize the raising of sound pressure level and the raising of low-frequency sound reproducing by using the fibrous activated carbon equal pressure to adjust body.
Have, the pressure of the confined space by adjusting low capacity also can be realized low deflectionization again.
(execution mode 2)
Fig. 6 is the profile of the loud speaker of expression embodiment of the present invention 2.The part identical with execution mode 1 is marked with same numeral and omits its explanation.
As shown in Figure 6, loud speaker comprises: magnetic circuit 4, and it is made of the lower panel 2 with newel 2A, the upper board 3 with lower panel 2 opposite sides that is combined in the magnet 1 on this lower panel 2 and is combined in this magnet 1; Be combined in the framework 6 on this magnetic circuit 4; Be combined in the oscillating plate 7 of the peripheral part of this framework 6; Voice coil loudspeaker voice coil 8, it is combined on this oscillating plate 7 and a part is disposed in the magnetic gap 5 of above-mentioned magnetic circuit 4; And the pressure that is combined on the magnetic circuit 4 is adjusted body 9.Also this loud speaker is called loudspeaker unit.
Here, pressure is shown and adjusts the example that body 9 is combined in the back side of lower panel 2.
By forming structure as described above, thus pressure adjust body 9 and be attached on the loudspeaker unit, therefore when making speaker unit, can suppress pressure and adjust the logistics cost of body 9 and follow unnecessary cost to increase in conjunction with cost.
Have again owing to be attached on the loudspeaker unit, so pressure adjust body 9 be disposed at loudspeaker unit inside or near, compare with the position that the loudspeaker unit that is disposed in the case leaves, can reproduce good bass effectively.
Also have, because pressure is adjusted body 9 and is attached on the magnetic circuit 4 as the loudspeaker unit of heater, so by will be usually easily because of moisture cause the pressure of decreased performance adjust body 9 be attached to the high loudspeaker unit of temperature inside or near, thereby be difficult for absorbing moisture and can prevent decreased performance.
Thus, even the miniature loudspeaker device, the present invention also can suppress to realize good low-frequency sound reproducing when cost increases.
In addition, also can realize the moisture absorption countermeasure of pressure adjustment body 9, and can realize the improvement of quality, reliability aspect.
Here, pressure adjustment body 9 is made of the accommodation section 11 of pressure adjustment component 10 and this pressure adjustment component 10, and uses active carbon as pressure adjustment component 10.
In addition, pressure adjustment component 10 is not limited to active carbon, gets final product so long as contain the material of active carbon, can realize good low-frequency sound reproducing by containing active carbon.
In addition, accommodation section 11 is made of the material that nonwoven fabrics etc. has gas permeability, thereby can carry out good low-frequency sound reproducing.
Have again, constitute and on magnetic circuit 4 and pressure are adjusted the faying face of body 9, gap 9A is set and combines.By forming this structure, the surface area that is in contact with one another with air that pressure can be adjusted body 9 is guaranteed greatlyyer, and can realize low-frequency sound reproducing effectively.
On the other hand, under the situation of supposing to use in the many places of moisture, accommodation section 11 is not the material with gas permeability, uses the material that does not have gas permeability effective aspect quality and reliability.
This is because thereby moisture immerses the inner reduction that prevents low territory expansion effect of minute aperture with the pressure adjustment component 10 of active carbon representative.
Fig. 7 is the profile of second example of the loud speaker of embodiment of the present invention 2.The part identical with Fig. 6 is marked with same numeral and omits its explanation.
As shown in Figure 7, also pressure can be adjusted body 9 further covers with the closed enclosure 12 that is imbued with flexibility and constitutes.This also has following effect: the minute aperture of pressure adjustment component 10 is inner to prevent that low territory from enlarging the reduction of effect thereby moisture immerses.
Then, the binding site to pressure adjustment body 9 describes.
In the above description, adjust the binding site of body 9 about pressure, the execution mode when being combined in the back side of lower panel 2 is illustrated, but is not limited to this execution mode, if be combined on the magnetic circuit 4, then all can everywhere.
Fig. 8 is the profile of the 3rd example of the loud speaker of embodiment of the present invention 2.The part identical with Fig. 6～7 is marked with same numeral and omits its explanation.
As shown in Figure 8, also pressure can be adjusted on the newel 2A that body 9 is attached to lower panel 2.
Under the situation of this structure, the volume that can obtain the space that surrounds with newel 2A, voice coil loudspeaker voice coil 8, oscillating plate 7 and dust cap 13 by the lower panel 2 of inside loudspeakers becomes the big same effect of situation in fact.
Therefore, except low territory enlarges the effect, also can bring into play the effect of low deflectionization, and can realize good sound quality.
Fig. 9 is the profile of the 4th example of the loud speaker of embodiment of the present invention 2.The part identical with Fig. 6～8 is marked with same numeral and omits its explanation.
As shown in Figure 9, also pressure can be adjusted body 9 is configured among the hole 2B on the newel 2A that is arranged at lower panel 2.
Adjust body 9 by configuration pressure among the hole 2B on being arranged at this newel 2A, can bring into play its effect better, and can realize good sound quality.
That is, can utilize pressure to adjust body 9 and reduce deflection by the air that is arranged at the hole 2B on the newel 2A, simultaneously, can loud speaker inside and outside both realize that the volume of the inside of case enlarges effect, very effective.
Have again, be configured among the hole 2B that is arranged on the newel 2A by pressure being adjusted body 9, thereby the circulation of air is increased, and when loud speaker moves, contact with the high magnetic circuit of temperature, therefore the absorption of moisture such as moisture also tails off, and has the effect that improves quality and reliability.
Figure 10 is the profile of the 5th example of the loud speaker of embodiment of the present invention 2.The part identical with Fig. 6～9 is marked with same numeral and omits its explanation.
As shown in figure 10, also can constitute pressure is adjusted the interior perimembranous that body 9 is attached to magnet 1, in this case, be attached to the spatial portion that becomes dead space usually, thus but the raising of implementation space coefficient.
In this case,, realize and be configured in the pressure of the interior perimembranous of magnet and adjust body 9 direct circulations of air, thereby can make low territory expansion effect and low deflection effect bigger by on the part of magnetic circuits 4 such as lower panel 2 and upper board 3, hole 4A being set.
(execution mode 3)
Figure 11 is the profile of the speaker unit of embodiment of the present invention 3.To with execution mode 1～2 in the identical part of explanation be marked with same numeral and omit explanation.
As shown in figure 11, speaker unit comprises: the loud speaker 40 that illustrated in execution mode 1; And the case 41 that this loud speaker 40 is installed, described loud speaker 40 comprises: magnetic circuit; Be combined in the framework 6 on this magnetic circuit; Be combined in the oscillating plate of the peripheral part of this framework 6; Voice coil loudspeaker voice coil, it is combined on this oscillating plate and a part is disposed in the magnetic gap of above-mentioned magnetic circuit; And the pressure that is attached on the framework 6 is adjusted body.
By forming this structure, thereby only adjust the loud speaker 40 of body 9 and be installed on the case 41, just can obtain to possess the speaker unit of pressure adjustment body 9 in the inside of case 41 by being combined with pressure in advance.
Therefore, adjust body, adjust the logistics cost of body 9 and pressure is adjusted body and be installed to cost in the case, can realize that significantly cost reduces so can reduce pressure owing to do not need as in the past in case, to install separately loud speaker and pressure.
In addition, can bring into play the various effects that illustrated in the execution mode 1.
Figure 12 is the profile of second example of the speaker unit of embodiment of the present invention 3.
As shown in figure 12, also can adjust the loud speaker 40 of body 9 (pressure is adjusted body be attached to loud speaker on the magnetic circuit) and be installed in the case 41 and constitute speaker unit possessing the pressure that illustrated in the embodiment of the present invention 2.Also can obtain same effect in view of the above, also can obtain the effect that illustrated in the execution mode 2.
Have, expression is equipped with the example of loud speaker shown in Figure 1 in Figure 11 again, and expression is equipped with the example of loud speaker shown in Figure 6 in Figure 12.But, be not limited to this loud speaker, but also installation diagram 1～4, Fig. 6～arbitrary loud speaker shown in Figure 10.
(execution mode 4)
Figure 13 A is the outside drawing of the electronic equipment of embodiment of the present invention 4.
This execution mode 4 is to carry the loud speaker that illustrated in the execution mode 1～2, constitutes as the audio frequency of the electronic equipment execution mode with small-sized combined system (minicomponent system).
Shown in Fig. 7 A, the loud speaker 40 that illustrated in the execution mode 1～2 is assembled in the case 41 with small-sized combined system 44 as the audio frequency of electronic equipment and constitutes speaker unit, and possess: amplifier 42, it is the amplifying unit that is input to the signal of telecommunication in this loud speaker; And player (player) 43, it will be input to the signal source output in this amplifier.
By forming this structure, can realize that small-sized, the densification of electronic equipment also can be realized good low-frequency sound reproducing.
In addition, this execution mode is illustrated with the example in the small-sized combined system at the audio frequency as electronic equipment loud speaker of the present invention is carried, but is not limited to this, also can be equipped in image documentation equipment such as television set and the mobile communicating equipment.That is, so long as carry the electronic equipment of loud speaker, all applicable.
Particularly nearest, from Braun tube to the image documentation equipments such as television set that liquid crystal and plasma panel etc. develops rapidly, the market demands of miniaturization, slimming are strict especially, thereby it is big especially that loud speaker of the present invention is equipped in the image documentation equipment effect.
Figure 13 B is the outside drawing of second example of the electronic equipment of embodiment of the present invention 4.
This execution mode is to carry the small rectangular loud speaker that illustrated in the execution mode 1, constitutes the execution mode as the mobile phone of electronic equipment.
Shown in Figure 13 B, loud speaker 40 of the present invention is equipped on inside, and the louver 47 of outside that will be arranged at the louver on the framework of the loud speaker 40 that illustrated in the execution mode 1 and be arranged at the main body 46 of mobile phone couples together and constitutes.
By forming this structure, can reduce the sound equipment resistance and to the horizontal playback of the main body 46 of mobile phone, and can realize slim, small-sized, the densification of mobile phone, and can realize the raising of sound pressure level and good low-frequency sound reproducing.
(execution mode 5)
Figure 14 is the profile as the automobile of vehicle of embodiment of the present invention 5.
This execution mode 5 is to carry the loud speaker that illustrated in the execution mode 1～2 to constitute execution mode as the automobile of vehicle.
That is, loud speaker 40 is equipped on the tail-bracket (rear tray) of automobile 45 and constitutes.
By forming this structure, can realize as small-sized, the densification of the automobile 45 of vehicle and can realize good low-frequency sound reproducing.
In addition, for to the installation position of automobile 45, being not limited to above-mentioned tail-bracket, also can be arbitrary places such as door, ceiling, pillar, floor, instrument board, seat.
Have, expression is equipped with the example of loud speaker shown in Figure 1 among Figure 14 again.But, be not limited to this type of loud speaker, but also installation diagram 1～4, Fig. 6～arbitrary loud speaker shown in Figure 10.
Have, this execution mode is illustrated being equipped on as the example on the automobile of vehicle, but is not limited to this again, also can be equipped on buildings such as mobile devices such as train and boats and ships and dwelling house.That is,, then all applicable as long as can carry loud speaker.
Loud speaker of the present invention, speaker unit, electronic equipment and vehicle are realized vehicles such as electronic equipment such as the image stereo set of small-sized, densification and good low-frequency sound reproducing and information communication device and automobile applicable to needs.
Claims (23)
1. a loud speaker is characterized in that, this loud speaker comprises:
Magnetic circuit; Be combined in the framework on the described magnetic circuit; Be combined in the oscillating plate of the peripheral part of described framework; Be combined on the described oscillating plate and a part is configured in voice coil loudspeaker voice coil in the magnetic gap of described magnetic circuit; And the pressure that is combined on the described framework is adjusted body.
2. a loud speaker is characterized in that, this loud speaker comprises:
Magnetic circuit; Be combined in the framework on the described magnetic circuit; Be combined in the oscillating plate of the peripheral part of described framework; Be combined on the described oscillating plate and a part is configured in voice coil loudspeaker voice coil in the magnetic gap of described magnetic circuit; And the pressure that is combined on the described magnetic circuit is adjusted body.
3. loud speaker according to claim 1 and 2 is characterized in that:
Described pressure adjustment body is made of the accommodation section of pressure adjustment component and described pressure adjustment component.
4. loud speaker according to claim 1 and 2 is characterized in that:
Described pressure adjustment body is made of the accommodation section of pressure adjustment component and described pressure adjustment component, and described pressure adjustment component is active carbon or the material that contains active carbon.
5. loud speaker according to claim 1 and 2 is characterized in that:
Described pressure adjustment body is made of the accommodation section of pressure adjustment component and described pressure adjustment component, and the described accommodation section has gas permeability.
6. loud speaker according to claim 1 and 2 is characterized in that:
Described pressure adjustment body is made of the accommodation section of pressure adjustment component and described pressure adjustment component, and the described accommodation section is made of nonwoven fabrics.
7. loud speaker according to claim 1 and 2 is characterized in that:
On the faying face of described magnetic circuit and described pressure adjustment body, the gap is set and combination.
8. loud speaker according to claim 1 and 2 is characterized in that:
Described pressure adjustment body is made of the accommodation section of pressure adjustment component and described pressure adjustment component, and the described accommodation section does not have gas permeability.
9. loud speaker according to claim 1 and 2 is characterized in that:
The closed enclosure that utilization is imbued with flexibility further covers described pressure adjustment body.
10. loud speaker according to claim 1 is characterized in that:
Described pressure is adjusted the inboard that body is combined in described framework.
11. loud speaker according to claim 1 is characterized in that:
Described framework has air vent hole, described pressure is adjusted body be attached on the described air vent hole.
12. loud speaker according to claim 1 is characterized in that:
Described framework has air vent hole, and described pressure is adjusted body to cover the mode combination of described air vent hole from the outside.
13. loud speaker according to claim 1 is characterized in that:
Described framework is provided with the accommodation section that described pressure is adjusted body.
14. loud speaker according to claim 1 is characterized in that:
Airtight described framework is not communicated with it with extraneous air.
15. loud speaker according to claim 1 and 2 is characterized in that:
It is fibrous activated carbon that described pressure is adjusted body.
16. loud speaker according to claim 2 is characterized in that:
Described magnetic circuit is made of the lower panel with newel, the upper board that is combined in the magnet on the described lower panel and is combined in an opposite side with described lower panel of described magnet, and described pressure is adjusted the back side that body is attached to described lower panel.
17. loud speaker according to claim 2 is characterized in that:
Described magnetic circuit is made of the lower panel with newel, the upper board that is combined in the magnet on the described lower panel and is combined in an opposite side with described lower panel of described magnet, and described pressure is adjusted body and is attached on the newel of described lower panel.
18. loud speaker according to claim 2 is characterized in that:
Described magnetic circuit is made of the lower panel with newel, the upper board that is combined in the magnet on the described lower panel and is combined in an opposite side with described lower panel of described magnet, and described pressure is adjusted body and is configured in the hole on the newel that is arranged at described lower panel.
19. loud speaker according to claim 2 is characterized in that:
Described magnetic circuit is made of the lower panel with newel, the upper board that is combined in the magnet on the described lower panel and is combined in an opposite side with described lower panel of described magnet, and described pressure is adjusted the interior perimembranous that body is attached to described magnet.
20. a speaker unit is characterized in that, this speaker unit possesses:
Each described loud speaker and the case that described loud speaker is installed in the claim 1 or 2.
21. an electronic equipment is characterized in that:
In this electronic equipment, be equipped with each described loud speaker in claim 1 or 2.
22. an electronic equipment is equipped with the described loud speaker of claim 1 in this electronic equipment, it is characterized in that:
The louver that is arranged on the louver on the described framework of described loud speaker and is arranged on the main body outside of described electronic equipment is coupled together.
23. a vehicle is characterized in that:
In this vehicle, be equipped with each described loud speaker in claim 1 or 2.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP171108/2006 | 2006-06-21 | ||
| JP2006171108A JP2008005101A (en) | 2006-06-21 | 2006-06-21 | Speaker, speaker apparatus employing the same, and electronic equipment and vehicle employing this speaker |
| JP173331/2006 | 2006-06-23 | ||
| JP2006173331A JP4609383B2 (en) | 2006-06-23 | 2006-06-23 | Speaker, speaker device using the same, electronic device using the speaker, and vehicle |
| PCT/JP2007/061705 WO2007117045A1 (en) | 2006-06-21 | 2007-06-11 | Speaker, speaker device using the speaker, and electronic equipment and vehicle using the speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101213868A true CN101213868A (en) | 2008-07-02 |
| CN101213868B CN101213868B (en) | 2012-07-04 |
Family
ID=39009153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007800000531A Active CN101213868B (en) | 2006-06-21 | 2007-06-11 | Speaker, speaker device using the speaker, and electronic equipment and vehicle using the speaker |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2008005101A (en) |
| CN (1) | CN101213868B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103797818A (en) * | 2012-06-22 | 2014-05-14 | 松下电器产业株式会社 | Speaker, electronic device and mobile device that uses speaker, and speaker manufacturing method |
| CN106256605A (en) * | 2015-06-22 | 2016-12-28 | 福特全球技术公司 | Microphone device in vehicle |
| CN109951777A (en) * | 2019-04-11 | 2019-06-28 | 嘉兴市金利达电子有限公司 | A kind of loudspeaker with dehumidification function |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5630058Y2 (en) * | 1976-11-29 | 1981-07-17 | ||
| JPS5436919A (en) * | 1977-08-29 | 1979-03-19 | Hitachi Ltd | Speaker |
| JPS575974Y2 (en) * | 1978-01-18 | 1982-02-04 | ||
| JPS5844713Y2 (en) * | 1979-04-12 | 1983-10-11 | 三菱電機株式会社 | flat speaker |
| JPS56102191U (en) * | 1980-01-08 | 1981-08-11 | ||
| JPS6035337Y2 (en) * | 1980-10-20 | 1985-10-21 | 健三 井上 | speaker device |
| WO1984003600A1 (en) * | 1983-03-02 | 1984-09-13 | Brian Douglas Ward | Constant pressure device |
| CN2591914Y (en) * | 2002-12-20 | 2003-12-10 | 陈坚强 | High pitch loudspeaker |
| CN2618395Y (en) * | 2003-05-29 | 2004-05-26 | 郝晋青 | Backward power component absorption style medium and low spectrum loudspeaker |
| JP2005294887A (en) * | 2004-03-31 | 2005-10-20 | Tetsuo Furumoto | Parts for acoustic system and acoustic system |
| EP1786235B1 (en) * | 2004-08-23 | 2018-06-13 | Panasonic Intellectual Property Management Co., Ltd. | Loudspeaker system |
| EP1788835B1 (en) * | 2004-09-27 | 2013-07-31 | Panasonic Corporation | Loudspeaker system |
-
2006
- 2006-06-21 JP JP2006171108A patent/JP2008005101A/en not_active Ceased
-
2007
- 2007-06-11 CN CN2007800000531A patent/CN101213868B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103797818A (en) * | 2012-06-22 | 2014-05-14 | 松下电器产业株式会社 | Speaker, electronic device and mobile device that uses speaker, and speaker manufacturing method |
| US9008350B2 (en) | 2012-06-22 | 2015-04-14 | Panasonic Intellectual Property Management Co., Ltd. | Loudspeaker, electronic device and mobile device both including the same, and method of producing the same |
| CN106256605A (en) * | 2015-06-22 | 2016-12-28 | 福特全球技术公司 | Microphone device in vehicle |
| CN109951777A (en) * | 2019-04-11 | 2019-06-28 | 嘉兴市金利达电子有限公司 | A kind of loudspeaker with dehumidification function |
| CN109951777B (en) * | 2019-04-11 | 2021-01-15 | 嘉兴市金利达电子股份有限公司 | Loudspeaker with dehumidification function |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008005101A (en) | 2008-01-10 |
| CN101213868B (en) | 2012-07-04 |
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| C14 | Grant of patent or utility model | ||
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Address after: Osaka, Japan Patentee after: Panasonic Holding Co.,Ltd. Country or region after: Japan Address before: Osaka, Japan Patentee before: Matsushita Electric Industrial Co.,Ltd. Country or region before: Japan |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240402 Address after: Kanagawa Prefecture, Japan Patentee after: Panasonic Automotive Electronic Systems Co.,Ltd. Country or region after: Japan Address before: Osaka, Japan Patentee before: Panasonic Holding Co.,Ltd. Country or region before: Japan |