CN204887419U - Dysmorphism vibrating diaphragm and audio amplifier device - Google Patents
Dysmorphism vibrating diaphragm and audio amplifier device Download PDFInfo
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- CN204887419U CN204887419U CN201520595684.4U CN201520595684U CN204887419U CN 204887419 U CN204887419 U CN 204887419U CN 201520595684 U CN201520595684 U CN 201520595684U CN 204887419 U CN204887419 U CN 204887419U
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Abstract
The utility model relates to a dysmorphism vibrating diaphragm, including: fixed part (121), book ring portion (122) and counterweight portion (123). Fixed part (121) are located the edge of dysmorphism vibrating diaphragm (12), counterweight portion (123) are located the middle part of dysmorphism vibrating diaphragm (12), it will to roll over ring portion (122) fixed part (121) with counterweight portion (123) are connected, dysmorphism vibrating diaphragm (12) is whole to be the curved surface structure or to roll over the face structure. The utility model discloses the technical problem that will solve is the space that the vibrating diaphragm that reduces the passive radiator occupy in the audio amplifier device. Furthermore, the utility model also provides an audio amplifier device is including the special -shaped vibrating diaphragm of the aforesaid. The shell phase -match of shape structure and the audio amplifier device of dysmorphism vibrating diaphragm can the minimize occupies the inner space of audio amplifier device.
Description
Technical field
The utility model belongs to loudspeaker techniques field, and particularly, the utility model relates to the structure of a kind of special-shaped vibrating diaphragm and loudspeaker box device.
Background technology
In audio amplifier, loudspeaker techniques field, existing speaker products normally closed structure, the front of loud speaker can outside radiative acoustic wave, and the sound wave of back side radiant then enters box house, not to external radiation.Although this closed design can prevent acoustic short circuit phenomenon, waste loudspeaker vibration generating portion sound wave.In order to utilize fully the sound wave of box house, those skilled in the art are provided with passive radiator on sound box, and the sound wave of box house can promote the diaphragm oscillations of passive radiator, further outside radiative acoustic wave.Because audio amplifier inside is closed space, so vibration of membrane of shaking can have an impact to the air pressure of audio amplifier inside, thus the vibrating effect of impact active loud speaker.Passive radiator can improve the resonance frequency f of loud speaker
0, and then improve the frequency acoustic performance of loud speaker.
Have stable linear oscillator to make the vibrating diaphragm of passive radiator and be convenient to install, the vibrating diaphragm of existing passive radiator is generally planar structure.But along with the diversification of audio amplifier use occasion and consumer are to the Individualized Pursuit of audio amplifier profile, audio amplifier field has engendered the abnormity, the small-size sound box that are different from classic cube type, wherein typical with cylinder type, the structure such as spherical.And the vibrating diaphragm of passive radiator must have larger area relative to loud speaker, can play the effect improving frequency acoustic performance to loud speaker.So, if continue the special-shaped vibrating diaphragm using planar structure in spherical, cylinder type audio amplifier, then can take larger space, reduce the space availability ratio of audio amplifier, make audio amplifier cannot have the profile of small size, individual character attractive in appearance.
On the other hand, operationally there is serious heating problem in the vibration component of loud speaker and magnetic circuit system, along with sound-box device gradually miniaturized, loud speaker acoustical behavior improve gradually, audio amplifier is operationally, easily there is device fault because temperature is too high, damage is caused to loudspeaker assembly.
In sum, be necessary to improve loudspeaker box structure, to increase the vibrating diaphragm area of passive radiator; Improve the space availability ratio of audio amplifier, avoid loudspeaker box device volume to increase.On the other hand, need to improve the cooling mechanism of audio amplifier, avoid the device failure because high temperature causes.
Utility model content
The utility model is for solving at least one technical problem above-mentioned, and provide a kind of special-shaped vibrating diaphragm, special-shaped vibrating diaphragm comprises:
Fixed part, ring portion and counterweight part, described fixed position is in the edge of described special-shaped vibrating diaphragm, described counterweight part is positioned at the middle part of described special-shaped vibrating diaphragm, and described fixed part is connected with described counterweight part by described ring portion, and described special-shaped vibrating diaphragm entirety is curved-surface structure or folding face structure.
Preferably, described special-shaped vibrating diaphragm entirety can structure axisymmetricly, and more preferably, described special-shaped vibrating diaphragm can be partial cylindrical surface structure, or the cross section of described special-shaped vibrating diaphragm entirety can be polyline shaped.
In addition, the cross section of described special-shaped vibrating diaphragm can also be centrosymmetric structure, and the cross section of described special-shaped vibrating diaphragm at least comprises the contrary curve of two sections of bending directions, or the cross section of described special-shaped vibrating diaphragm at least comprises the broken line with the bending of two places.
Preferably, described counterweight part can be provided with balancing weight, the structure of described balancing weight and the planform of described counterweight part match.
Preferably, can be provided with framework around described fixed part, on said frame, the planform of described framework and described fixed part matches in described fixed part fixed installation.
Alternatively, the centre of described counterweight part can hollow out, and described balancing weight is arranged on the hollow part of described counterweight part, and the material of described balancing weight is metal material.Preferably, the edge of described balancing weight can be provided with flange connector, and described counterweight part and described flange connector are tightly connected.More preferably, described flange connector can also be provided with through hole, described counterweight part can be tightly connected by described through hole and described flange connector.In addition, described ring portion can have reinforcement.
On the other hand, the utility model additionally provides a kind of loudspeaker box device, comprising:
Shell, described shell is provided with the first opening and at least one second opening;
Initiatively loud speaker, described active loud speaker is arranged on described first opening part;
Above-mentioned special-shaped vibrating diaphragm, described special-shaped vibrating diaphragm is fixedly mounted on described second opening part, and the quantity of described special-shaped vibrating diaphragm is identical with the quantity of described second opening;
The inner space of shell is closed by described active loud speaker and special-shaped vibrating diaphragm.
Especially, the utility model additionally provides a kind of concrete loudspeaker box device, comprising:
Shell, described shell is cylindrical shell, the end face of described shell is provided with the first opening, the face of cylinder of described shell is provided with two the second openings;
Initiatively loud speaker, described active loud speaker is arranged on described first opening part;
Two special-shaped vibrating diaphragms in partial cylindrical surface structure, described special-shaped vibrating diaphragm is fixedly mounted on described second opening part;
The inner space of shell is closed by described active loud speaker and special-shaped vibrating diaphragm.
On the other hand, the utility model additionally provides a kind of concrete loudspeaker box device, comprising:
Shell, described shell is triangular prism shell, the plane of described shell is provided with the first opening, and the arris place of described shell is provided with second opening;
Initiatively loud speaker, described active loud speaker is arranged on described first opening part;
In the special-shaped vibrating diaphragm of folding face structure, described special-shaped vibrating diaphragm is fixedly mounted on described second opening part;
The inner space of shell is closed by described active loud speaker and special-shaped vibrating diaphragm.
Preferably, the area summation of described second opening is 1 to 2 times of the area of described first opening.
A technique effect of the special-shaped vibrating diaphragm that the utility model provides is, the shell mechanism of special-shaped vibrating diaphragm contour structures and loudspeaker box device matches.Abnormity vibrating diaphragm is arranged on loudspeaker box device, without the need to taking the space structure of audio amplifier inside, saves inner space.On the other hand, because shell is curved surface or folding face, the described plane special-shaped vibrating diaphragm area traditional along the special-shaped vibrating diaphragm area ratio of case surface setting is larger, reaches the object increasing special-shaped vibrating diaphragm area, the low frequency audio of loudspeaker box device is better improved.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present utility model, further feature of the present utility model and advantage thereof will become clear.
Accompanying drawing explanation
What form a part for specification drawings describes embodiment of the present utility model, and together with the description for explaining principle of the present utility model.
Fig. 1 is the structural blast figure of special-shaped vibrating diaphragm and balancing weight and framework in the utility model specific embodiment;
Fig. 2 is the side cross sectional views of special-shaped vibrating diaphragm in other execution mode of the utility model;
Fig. 3 is the side cross sectional views of special-shaped vibrating diaphragm in other execution mode of the utility model;
Fig. 4 is the side cross sectional views of special-shaped vibrating diaphragm in other execution mode of the utility model;
Fig. 5 is the overall structure figure of special-shaped vibrating diaphragm in the utility model specific embodiment;
Fig. 6 be in the utility model specific embodiment loudspeaker box device face explosive view;
Fig. 7 is the end view of loudspeaker box device in the utility model specific embodiment;
Fig. 8 is the cutaway view of Fig. 7 along A-A cross section;
Fig. 9 is the cutaway view of Fig. 7 along B-B cross section.
Embodiment
Various exemplary embodiment of the present utility model is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit scope of the present utility model.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the utility model and application or use.
The technology and equipment known for person of ordinary skill in the relevant may not discuss in detail, but in the appropriate case, described technology and equipment should be regarded as a part for specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
The utility model provides a kind of special-shaped vibrating diaphragm, comprising fixed part 121, ring portion 122 and counterweight part 123.Described counterweight part 123 is positioned at the mid portion of described special-shaped vibrating diaphragm 12, and described fixed part 121 is positioned at the edge of described special-shaped vibrating diaphragm 12, and described fixed part 121 links together with described counterweight part 123 by described ring portion 122.Especially, the global shape of described special-shaped vibrating diaphragm 12 is curved surface or folding face structure, to adapt to the contour structures of different audio amplifier.
Preferably, the entirety of described special-shaped vibrating diaphragm 12 can structure axisymmetricly, and axisymmetric special-shaped vibrating diaphragm overall structure is more regular, more easily realizes stable linear oscillator.More preferably, the global shape of described special-shaped vibrating diaphragm 12 can be partial cylindrical surface structure or part elliptical cylindrical structure, to adapt to the audio amplifier of cylinder type, oblong body type.Described partial cylindrical surface structure refers to the part on cylindrical structure upper side wall surface, such as, can be that the curvature due to cylindrical sidewall is constant, so the normally axisymmetric structure of partial cylindrical surface structure with the curved-surface structure that closed lines surround in cylindrical sidewall; Described part elliptical cylindrical structure then refers to the part on Elliptic Cylinder upper side wall surface, can be with the curved-surface structure that closed lines surround equally in cylindrical sidewall, curvature due to oblong body sidewall is change, so part elliptical cylinder not necessarily structure axisymmetricly.Fig. 1 shows the structure of the special-shaped vibrating diaphragm 12 in a kind of specific embodiment, special-shaped vibrating diaphragm partial cylindrical surface structure axisymmetricly.In this embodiment, described partial cylindrical surface structure is comparable to the curved-surface structure that the closed lines of annular surround in cylindrical sidewall, and special-shaped vibrating diaphragm can be arranged on the face of cylinder of cylinder type audio amplifier, and special-shaped vibrating diaphragm is overall along X-axis structure axisymmetricly.
Or as shown in Figure 2, the global shape of described special-shaped vibrating diaphragm 12 can be folding face, to adapt to be arranged on the arris of the loudspeaker box device such as triangular pyramid type, quadrangular type.Especially, the special-shaped vibrating diaphragm 12 in folding face can be also axially symmetric structure, to reach better sound effect.
Especially, described special-shaped vibrating diaphragm 12 can also have another kind of architectural feature, and the cross section of special-shaped vibrating diaphragm is centrosymmetric structure, makes the waveform of the surface of special-shaped vibrating diaphragm in rule or the folding face structure of multistage.This special-shaped diaphragm structure, mainly for adapting to the case surface of different loudspeaker box device, improves the aesthetic measure of special-shaped vibrating diaphragm, satisfying personalized design.As shown in Figure 3, the cross section of described special-shaped vibrating diaphragm at least can comprise the contrary curve of two sections of bending directions, abnormity vibrating diaphragm can form corrugated surface, the cross section of abnormity vibrating diaphragm 12 is centrosymmetric relative to a bit, make special-shaped diaphragm surface in the wavy shaped configuration of rule, the special-shaped vibrating diaphragm being positioned at Central Symmetry point both sides has the curved-surface structure that degree of crook is identical, bending direction is contrary.Preferably, in order to special-shaped vibrating diaphragm can keep stable linear oscillator, the cross section of described special-shaped vibrating diaphragm comprises the contrary curve of two sections of bending directions.Or as shown in Figure 4, the cross section of described special-shaped vibrating diaphragm 12 can at least comprising the broken line of two places bending, and special-shaped vibrating diaphragm can form the surface of multistage complications.The cross section of abnormity vibrating diaphragm 12 is centrosymmetric relative to a bit, and make special-shaped diaphragm surface be neat folding face structure, the special-shaped vibrating diaphragm being positioned at Central Symmetry point both sides has the folding face structure that bending degree is identical, overbending direction is contrary.Preferably, in order to special-shaped vibrating diaphragm can keep stable linear oscillator, the cross section of described special-shaped vibrating diaphragm comprises two inflection points, place.
Further, except above-mentioned entirety axisymmetricly or except the special-shaped vibrating diaphragm that is centrosymmetric of cross section, the utility model also comprises the special-shaped vibrating diaphragm of other feasible molded non-planar.Such as, the structure of described special-shaped vibrating diaphragm can also a part in cone sidewall, or the wavy shaped configuration that can also gradually change in degree of crook, or the edge of special-shaped vibrating diaphragm is rectangular etc.The utility model aims to provide the special-shaped vibrating diaphragm that structure is different from conventional planar vibrating diaphragm, and under the prerequisite meeting vibrating diaphragm linear oscillator, the special-shaped diaphragm structure usually can expected, all belongs to protection range of the present utility model.
On the other hand, as shown in Figure 1, described counterweight part 123 can be provided with balancing weight 13.Described balancing weight 13, for increasing weight and the inertia of special-shaped vibrating diaphragm counterweight part, enables counterweight part 123 and ring portion produce stable vibration.Described balancing weight 13 can be encapsulated in described counterweight part 123, on the inner surface that also can be arranged on described counterweight part 123 or outer surface.The structure of described balancing weight 13 and the structure of described counterweight part 123 match, and when balancing weight is arranged on described counterweight part, described balancing weight does not make the curved-surface structure of counterweight part and special-shaped vibrating diaphragm self produce change.
Usually, the inside of loudspeaker box device need form enclosure space, and passive radiator can play a role, and improves the low frequency audio of initiatively loud speaker and audio amplifier entirety.But initiatively the electro-acoustic conversion efficiency of loud speaker is lower, can produce amount of heat in audio amplifier inside during its work, the too high meeting of temperature has a strong impact on the performance of each parts in audio amplifier, even causes damaging and loses efficacy.So in order to increase the heat dispersion of loudspeaker box device, the counterweight part 123 of the special-shaped vibrating diaphragm 12 that the utility model provides can have engraved structure.As shown in Figure 1, the mid portion hollow out of described counterweight part 123, balancing weight 13 is arranged on the hollow part of described counterweight part 123, and described balancing weight 13 is made up of metal material.Because counterweight part 123 exists hollow out, the edge of balancing weight 13 is connected with described counterweight part 123, so the surface of balancing weight 13 can touch the inside and outside of loudspeaker box device.Metal material has good heat conductivility, balancing weight 13 can play the effect of heat radiation, and initiatively during speaker operation, the heat of loudspeaker box device inside can be directly conducted on balancing weight 13, and pass to loudspeaker box device outside fast by balancing weight 13, reach the effect improving heat dispersion.
When traditional counterweight part 123 does not have hollow out, described counterweight part 123 complete closure, described balancing weight 13 is encapsulated in inside by counterweight part 123, or balancing weight 13 is arranged on the surface of described counterweight part 123.But when counterweight part 123 exists hollow out, the counterweight part 123 of ring-type needs the edge conjunction with balancing weight 13, connecting portion to need to fit tightly and loudspeaker box device inside can be sealed completely.So in embodiment of the present utility model, preferably, the edge of described balancing weight 13 can be provided with flange connector 131.For the flange connector 131 at balancing weight 13 edge, described counterweight part 123 can cover the both sides of described flange connector 131, encapsulates flange connector 131, strengthens sealing.Described counterweight part 123 also only can cover the side of described flange connector 131, carries out half encapsulating to flange connector 131.Preferably, as shown in Figure 1, described balancing weight 13 has flange connector 131, and described counterweight part 123 can cover the both sides of described flange connector 131.Like this, counterweight part 123 and described balancing weight 13 can form good encapsulating effect, reach the object of sealing.More preferably, as shown in Figure 1, described flange connector 131 can also be provided with through hole 132, described counterweight part 123 can be tightly connected by through hole 132 and described flange connector 131.Concrete, described counterweight part 123 can cover the one or both sides of through hole 132, and counterweight part 123 has the structure through described through hole 132, to strengthen the sealing stability of counterweight part 123 and balancing weight 13.Or those skilled in the art also can use the structures such as screw to be connected and sealed to counterweight part and through hole in through-holes.
Further, the material of described special-shaped vibrating diaphragm 12 can be made up of injection moulding flexible glue, and injection moulding flexible glue is easy to form various required shape, and can reach good vibrating effect.When the edge of described balancing weight 13 has flange connector 131, the material of described special-shaped vibrating diaphragm 12 is more preferably injection moulding flexible glue.When shaping, directly injection moulding flexible glue can be injection-moulded in around balancing weight 13, make counterweight part 123 be formed in the both sides of described flange connector 131, realize the encapsulating to flange connector 131 or half encapsulating.If flange connector 131 has through hole 132, when injection mo(u)lding, injection moulding flexible glue can be inserted in described through hole 132, strengthens counterweight part 123 and the connection reliability of balancing weight 13 further, strengthens sealing effectiveness.Like this, not only simplify the assembly technology of vibrating diaphragm and additional structure thereof, in turn enhance the effect that is tightly connected of counterweight part 123 and balancing weight 13.Certainly, in other embodiment of the present utility model, described special-shaped vibrating diaphragm can also adopt other soft material, and the utility model does not limit this.
Especially, as shown in Figure 1, in order to make special-shaped vibrating diaphragm 12 be convenient to be installed on casing of loudspeaker box, the fixed part 121 of described special-shaped vibrating diaphragm 12 can be provided with framework 11.Described fixed part 121 can be fixedly installed on casing of loudspeaker box by framework 11, and ring portion 122 and counterweight part 123 can be fluctuated relative to fixed part 121.Usually, described framework 11 can be provided with rivet hole, framework 11 is fixed on shell 21 by rivet, as shown in Figure 6.The utility model does not limit described framework and which kind of mode to be fixedly installed on the housing by, and those skilled in the art can use other conventional mode such as to be threaded special-shaped vibrating diaphragm, framework to be fixed on shell.Framework 11 should match with the shape and structure of fixed part 121, when described framework 11 is arranged on described fixed part 121, does not change the curved-surface structure of fixed part 121 and special-shaped vibrating diaphragm overall 12 itself.Preferably, described framework can extend as the entirety that described special-shaped vibrating diaphragm is outside, and framework entirety has the curved-surface structure identical with special-shaped vibrating diaphragm or the face of folding structure.Like this, special-shaped vibrating diaphragm and framework have the structure identical with the structure on the casing of loudspeaker box surface that will be installed to, and when special-shaped vibrating diaphragm is installed on casing of loudspeaker box, can form complete curved surface or folding face by fundamental sum casing of loudspeaker box, improve the overall appearance degree of audio amplifier.
Further, for the special-shaped vibrating diaphragm 12 that the utility model provides, because special-shaped vibrating diaphragm is the special construction shape such as cylindrical surface structure, folding face structure, linear, the stable vibration so special-shaped vibrating diaphragm is comparatively hard to keep, once special-shaped vibrating diaphragm generation polarization phenomena, can sound frequency be had a strong impact on, the audio of audio amplifier is affected greatly.And audio amplifier placement direction in a state of use likely makes special-shaped vibrating diaphragm be in vertical attitude, this situation makes the special-shaped vibrating diaphragm of special-shaped passive radiator 1 more easily polarization phenomena occur.In order to prevent polarization, preferably, as shown in Figure 5, the ring portion 122 of special-shaped vibrating diaphragm can be provided with reinforcement 1221, described reinforcement 1221 is for the overall floating posture of stable ring portion 122 and counterweight part 123.Described reinforcement 1221 in bulge-structure, can extend from fixed part to the direction of counterweight part 123 in ring portion 122.In other embodiment of the present utility model, the bearing of trend of described reinforcement can also with the bearing of trend in described ring portion at an angle, or in some cases, the bearing of trend of described reinforcement can also be parallel to the bearing of trend in described ring portion.The concrete structure of the utility model to reinforcement does not limit, and those skilled in the art can according to width, the curvature in the overall size of special-shaped vibrating diaphragm 12 and ring portion 122, designs the size of reinforcement, quantity.
Be more than the special-shaped vibrating diaphragm that the utility model provides, described special-shaped vibrating diaphragm and relevant portion thereof have the structure and shape that match with casing of loudspeaker box surface.When special-shaped vibrating diaphragm described in the utility model is as passive radiator or as passive radiator a part of, effectively can utilizing the surface area of audio amplifier, when increasing vibrating diaphragm area as far as possible, avoiding taking audio amplifier inner space, increasing audio amplifier volume.For the concrete structure of described special-shaped vibrating diaphragm and framework, the utility model is described further combined with the contour structures of concrete audio amplifier.
Further, the utility model provides a kind of loudspeaker box device, and described loudspeaker box device at least comprises shell, initiatively loud speaker and above-mentioned special-shaped vibrating diaphragm.Wherein, described shell is provided with the first opening and at least one second opening, described first opening provides installation site for active loud speaker, and described second opening provides installation site for special-shaped vibrating diaphragm.Described active loud speaker is arranged on described first opening part, is sealed by the first opening, and initiatively the vibrating diaphragm front of loud speaker is towards the outside of shell, and initiatively the magnetic circuit system collecting of loud speaker in the housing.Described special-shaped vibrating diaphragm is arranged on described second opening part, is fixedly connected with described shell by described framework, and the second opening seals by described special-shaped vibrating diaphragm.Especially, shell can be arranged multiple second opening, to increase the gross area of special-shaped vibrating diaphragm.Usually, can arrange 1 to 3 the second opening on shell, the quantity of described special-shaped vibrating diaphragm is identical with the quantity of described second opening.Initiatively the inner space of whole shell is closed by loud speaker and special-shaped vibrating diaphragm.
In a kind of embodiment of the present utility model, as shown in Figure 6,7, described shell 21 is cylindrical shell 21, and described first opening 211 is arranged on the end face of described cylindrical shell 21, described active loud speaker 22 is arranged on described first opening 211 place, is sealed by the end face of cylindrical shell 21.In order to assemble, convenient for production, described shell 21 can by two parts, or more incorporating aspects form, the utility model does not limit this.As shown in figs 6-8, described cylindrical shell 21 is provided with two the second openings 212, described second opening 212 is positioned on the described face of cylinder.Described special-shaped vibrating diaphragm 12 is arranged on described second opening 212, and the global shape of special-shaped vibrating diaphragm 12 is curved-surface structure.Preferably, the global shape of described special-shaped vibrating diaphragm 12 is partial cylindrical surface structure, as shown in Figure 9, the part that structure and shell 21 second opening 212 place of special-shaped vibrating diaphragm 12 and balancing weight 13 lack is substantially identical, the face of cylinder that special-shaped vibrating diaphragm 12 can be complete with shell 21 basic comprising.The special-shaped vibrating diaphragm 12 of the passive radiator of described abnormity makes full use of the face of cylinder shell 21 of described audio amplifier, increasing the inner space not taking audio amplifier while special-shaped diaphragm surface amasss, improves the space utilization rate of loudspeaker box device.Fig. 5 shows the monnolithic case of special-shaped vibrating diaphragm 12 described in this embodiment, especially, substantially complete surface is formed with shell 21 in order to make special-shaped vibrating diaphragm 12 further, or improve the space availability ratio of audio amplifier inside, as shown in Fig. 5,6,9, the global shape structure of described framework 11 can match with the shape and structure of special-shaped vibrating diaphragm 12, shell 21.If described special-shaped vibrating diaphragm 12 is arranged on the inner surface of described shell 21, the framework that global shape and shell 21 structure match can improve the space utilization rate of audio amplifier inside.If special-shaped vibrating diaphragm 12 is arranged on the outer surface of described shell 21, the framework that global shape and shell 21 structure match can improve the smooth degree of audio amplifier outer surface further.In the utility model embodiment as Figure 6-9, described special-shaped passive radiator 1 is arranged on the inner surface of described shell 21, the utility model does not limit this, and those skilled in the art according to actual conditions, can select the position that radiator is installed.
The shell 21 of the audio amplifier that the utility model provides can be not only cylindrical structure, can also be other shape and structure, and accordingly, special-shaped vibrating diaphragm 12 and framework 11 can be not only cylindrical surface structure, can also be other structure.Such as, in other embodiment of the present utility model, the shell 21 of described audio amplifier is triangular prism shell 21, and described first opening 211 is arranged on the plan position approach place of described triangular prism shell 21, and the first opening 211 seals by described active loud speaker 22.Described second opening 212 is arranged on the arris place of described triangular prism shell 21, then described special-shaped vibrating diaphragm 12 can be folding face structure, and as shown in Figure 2, the cross section of described special-shaped vibrating diaphragm entirety is in approximate polyline shaped.When abnormity vibrating diaphragm 12 is arranged on described audio amplifier, special-shaped vibrating diaphragm 12 can fill up the part arris that the second indentation, there lacks, and is combined to form substantially complete triangular prism shape with shell 21.The overall structure shape of the utility model to special-shaped vibrating diaphragm 12 does not carry out concrete restriction, and special-shaped vibrating diaphragm under the prerequisite ensureing special-shaped vibrating diaphragm linear oscillator, can be designed to the structure adapting to various audio amplifier surface topography by those skilled in the art.More preferably, the framework of described special-shaped passive radiator also as the outside extension of special-shaped vibrating diaphragm, can have the shape and structure matched with special-shaped vibrating diaphragm, shell, improves the outward appearance of casing of loudspeaker box further or improve the space availability ratio of audio amplifier inside.
Especially, in order to make special-shaped vibrating diaphragm 12 play better auxiliaring effect, effectively strengthen the low frequency audio of audio amplifier entirety, the gross area of special-shaped vibrating diaphragm 12 should between the 1-2 of the vibrating diaphragm area of active loud speaker 22 times.So on described shell 21, the gross area of the second opening 212 is preferably the 1-2 of the first opening 211 area doubly, enables passive radiator effectively improve the low frequency audio of audio amplifier.For the embodiment shown in Fig. 6-9, if arrange the special-shaped vibrating diaphragm 12 that single area is larger on the face of cylinder of shell 21, likely cross ambassador's abnormity vibrating diaphragm due to radian and cannot carry out linear oscillator accurately, so, have employed two identical the second openings 212 in this embodiment, respectively special-shaped vibrating diaphragm 12 is set on two the second openings 212.The gross area of special-shaped vibrating diaphragm 12 is made to reach about 1.5 times of the vibrating diaphragm area of initiatively loud speaker 22.The utility model does not carry out concrete restriction to the quantity of the second opening 212 and the gross area, and those skilled in the art can as the case may be, designs the size of the second opening 212 and quantity.
Although be described in detail specific embodiments more of the present utility model by example, it should be appreciated by those skilled in the art, above example is only to be described, instead of in order to limit scope of the present utility model.It should be appreciated by those skilled in the art, when not departing from scope and spirit of the present utility model, above embodiment can be modified.Scope of the present utility model is limited by claims.
Claims (17)
1. a special-shaped vibrating diaphragm, is characterized in that, comprising:
Fixed part (121), ring portion (122) and counterweight part (123), described fixed part (121) is positioned at the edge of described special-shaped vibrating diaphragm (12), described counterweight part (123) is positioned at the middle part of described special-shaped vibrating diaphragm (12), described fixed part (121) is connected with described counterweight part (123) by described ring portion (122), and described special-shaped vibrating diaphragm (12) entirety is curved-surface structure or folding face structure.
2. special-shaped vibrating diaphragm according to claim 1, is characterized in that, described special-shaped vibrating diaphragm (12) entirety structure axisymmetricly.
3. special-shaped vibrating diaphragm according to claim 2, is characterized in that, described special-shaped vibrating diaphragm (12) is in partial cylindrical surface structure.
4. special-shaped vibrating diaphragm according to claim 1 and 2, is characterized in that, described special-shaped vibrating diaphragm (12) is in folding face structure, and the cross section that described special-shaped vibrating diaphragm (12) is overall is polyline shaped.
5. special-shaped vibrating diaphragm according to claim 1, it is characterized in that, the cross section of described special-shaped vibrating diaphragm (12) is centrosymmetric structure, the cross section of described special-shaped vibrating diaphragm (12) at least comprises the contrary curve of two sections of bending directions, or the cross section of described special-shaped vibrating diaphragm (12) is the broken line at least comprising the bending of two places.
6. special-shaped vibrating diaphragm according to claim 1, it is characterized in that, described counterweight part (123) is provided with balancing weight (13), the structure of described balancing weight (13) and the planform of described counterweight part (123) match.
7. special-shaped vibrating diaphragm according to claim 6, it is characterized in that, hollow out in the middle of described counterweight part (123), described balancing weight (13) is arranged on the hollow part of described counterweight part (123), and the material of described balancing weight (13) is metal material.
8. special-shaped vibrating diaphragm according to claim 7, it is characterized in that, the edge of described balancing weight (13) is provided with flange connector (131), and described counterweight part (123) and described flange connector (131) are tightly connected.
9. special-shaped vibrating diaphragm according to claim 8, it is characterized in that, described flange connector (131) is provided with through hole (132), described counterweight part (123) is tightly connected by described through hole (132) and described flange connector (131).
10. special-shaped vibrating diaphragm according to claim 1, it is characterized in that, described fixed part (121) is provided with framework (11) around, described fixed part (121) is fixedly mounted on described framework (11), and the planform of described framework and described fixed part (121) matches.
11. special-shaped vibrating diaphragms according to claim 1, is characterized in that, described ring portion (122) has reinforcement (1221).
12. 1 kinds of loudspeaker box devices, is characterized in that, comprising:
Shell (21), described shell (21) is provided with the first opening (211) and at least one the second opening (212);
Initiatively loud speaker (22), described active loud speaker (22) is arranged on described first opening (211) place;
One of claim 1-2,5-11 are any described special-shaped vibrating diaphragm (12), described special-shaped vibrating diaphragm (12) is fixedly mounted on described second opening (212) place, and the quantity of described special-shaped vibrating diaphragm (12) is identical with the quantity of described second opening (212);
The inner space of shell (21) is closed by described active loud speaker (22) and special-shaped vibrating diaphragm (12).
13. loudspeaker box devices according to claim 12, is characterized in that, the area summation of described second opening (212) is 1 to 2 times of the area of described first opening (211).
14. 1 kinds of loudspeaker box devices, is characterized in that, comprising:
Shell (21), described shell is cylindrical shell, the end face of described shell (21) is provided with the first opening (211), the face of cylinder of described shell is provided with two the second openings (212);
Initiatively loud speaker (22), described active loud speaker (22) is arranged on described first opening (211) place;
Two special-shaped vibrating diaphragms (12) according to claim 3, described special-shaped vibrating diaphragm (12) is fixedly mounted on described second opening (212) place;
The inner space of shell (21) is closed by described active loud speaker (22) and special-shaped vibrating diaphragm (12).
15. loudspeaker box devices according to claim 14, is characterized in that, the area summation of described second opening (212) is 1 to 2 times of the area of described first opening (211).
16. 1 kinds of loudspeaker box devices, is characterized in that, comprising:
Shell (21), described shell is triangular prism shell, the plane of described shell (21) is provided with the first opening (211), and the arris place of described shell is provided with second opening (212);
Initiatively loud speaker (22), described active loud speaker (22) is arranged on described first opening (211) place;
Special-shaped vibrating diaphragm (12) according to claim 4, described special-shaped vibrating diaphragm (12) is fixedly mounted on described second opening (212) place;
The inner space of shell (21) is closed by described active loud speaker (22) and special-shaped vibrating diaphragm (12).
17. loudspeaker box devices according to claim 16, is characterized in that, the area summation of described second opening (212) is 1 to 2 times of the area of described first opening (211).
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| CN201520595684.4U CN204887419U (en) | 2015-08-07 | 2015-08-07 | Dysmorphism vibrating diaphragm and audio amplifier device |
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| US11290805B2 (en) | 2014-09-30 | 2022-03-29 | Apple Inc. | Loudspeaker with reduced audio coloration caused by reflections from a surface |
| US10631071B2 (en) | 2016-09-23 | 2020-04-21 | Apple Inc. | Cantilevered foot for electronic device |
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| CN107872741B (en) * | 2016-09-23 | 2020-08-25 | 苹果公司 | Annular supporting structure |
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| US11693488B2 (en) | 2016-09-23 | 2023-07-04 | Apple Inc. | Voice-controlled electronic device |
| CN107872741A (en) * | 2016-09-23 | 2018-04-03 | 苹果公司 | Annular supporting structure |
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Effective date of registration: 20220829 Address after: 100191 room 1801, block D, Zhizhen building, 7 Zhichun Road, Haidian District, Beijing Patentee after: Bird innovation (Beijing) Technology Co.,Ltd. Address before: 100191 No. d-203, floor 1, No. 28, information road, Haidian District, Beijing Patentee before: BEIJING XIAONIAO TINGTING TECHNOLOGY Co.,Ltd. |